| /* |
| * S/390 translation |
| * |
| * Copyright (c) 2009 Ulrich Hecht |
| * Copyright (c) 2010 Alexander Graf |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| /* #define DEBUG_INLINE_BRANCHES */ |
| #define S390X_DEBUG_DISAS |
| /* #define S390X_DEBUG_DISAS_VERBOSE */ |
| |
| #ifdef S390X_DEBUG_DISAS_VERBOSE |
| # define LOG_DISAS(...) qemu_log(__VA_ARGS__) |
| #else |
| # define LOG_DISAS(...) do { } while (0) |
| #endif |
| |
| #include "qemu/osdep.h" |
| #include "cpu.h" |
| #include "s390x-internal.h" |
| #include "exec/exec-all.h" |
| #include "tcg/tcg-op.h" |
| #include "tcg/tcg-op-gvec.h" |
| #include "qemu/log.h" |
| #include "qemu/host-utils.h" |
| #include "exec/helper-proto.h" |
| #include "exec/helper-gen.h" |
| |
| #include "exec/translator.h" |
| #include "exec/log.h" |
| #include "qemu/atomic128.h" |
| |
| #define HELPER_H "helper.h" |
| #include "exec/helper-info.c.inc" |
| #undef HELPER_H |
| |
| |
| /* Information that (most) every instruction needs to manipulate. */ |
| typedef struct DisasContext DisasContext; |
| typedef struct DisasInsn DisasInsn; |
| typedef struct DisasFields DisasFields; |
| |
| /* |
| * Define a structure to hold the decoded fields. We'll store each inside |
| * an array indexed by an enum. In order to conserve memory, we'll arrange |
| * for fields that do not exist at the same time to overlap, thus the "C" |
| * for compact. For checking purposes there is an "O" for original index |
| * as well that will be applied to availability bitmaps. |
| */ |
| |
| enum DisasFieldIndexO { |
| FLD_O_r1, |
| FLD_O_r2, |
| FLD_O_r3, |
| FLD_O_m1, |
| FLD_O_m3, |
| FLD_O_m4, |
| FLD_O_m5, |
| FLD_O_m6, |
| FLD_O_b1, |
| FLD_O_b2, |
| FLD_O_b4, |
| FLD_O_d1, |
| FLD_O_d2, |
| FLD_O_d4, |
| FLD_O_x2, |
| FLD_O_l1, |
| FLD_O_l2, |
| FLD_O_i1, |
| FLD_O_i2, |
| FLD_O_i3, |
| FLD_O_i4, |
| FLD_O_i5, |
| FLD_O_v1, |
| FLD_O_v2, |
| FLD_O_v3, |
| FLD_O_v4, |
| }; |
| |
| enum DisasFieldIndexC { |
| FLD_C_r1 = 0, |
| FLD_C_m1 = 0, |
| FLD_C_b1 = 0, |
| FLD_C_i1 = 0, |
| FLD_C_v1 = 0, |
| |
| FLD_C_r2 = 1, |
| FLD_C_b2 = 1, |
| FLD_C_i2 = 1, |
| |
| FLD_C_r3 = 2, |
| FLD_C_m3 = 2, |
| FLD_C_i3 = 2, |
| FLD_C_v3 = 2, |
| |
| FLD_C_m4 = 3, |
| FLD_C_b4 = 3, |
| FLD_C_i4 = 3, |
| FLD_C_l1 = 3, |
| FLD_C_v4 = 3, |
| |
| FLD_C_i5 = 4, |
| FLD_C_d1 = 4, |
| FLD_C_m5 = 4, |
| |
| FLD_C_d2 = 5, |
| FLD_C_m6 = 5, |
| |
| FLD_C_d4 = 6, |
| FLD_C_x2 = 6, |
| FLD_C_l2 = 6, |
| FLD_C_v2 = 6, |
| |
| NUM_C_FIELD = 7 |
| }; |
| |
| struct DisasFields { |
| uint64_t raw_insn; |
| unsigned op:8; |
| unsigned op2:8; |
| unsigned presentC:16; |
| unsigned int presentO; |
| int c[NUM_C_FIELD]; |
| }; |
| |
| struct DisasContext { |
| DisasContextBase base; |
| const DisasInsn *insn; |
| DisasFields fields; |
| uint64_t ex_value; |
| /* |
| * During translate_one(), pc_tmp is used to determine the instruction |
| * to be executed after base.pc_next - e.g. next sequential instruction |
| * or a branch target. |
| */ |
| uint64_t pc_tmp; |
| uint32_t ilen; |
| enum cc_op cc_op; |
| bool exit_to_mainloop; |
| }; |
| |
| /* Information carried about a condition to be evaluated. */ |
| typedef struct { |
| TCGCond cond:8; |
| bool is_64; |
| union { |
| struct { TCGv_i64 a, b; } s64; |
| struct { TCGv_i32 a, b; } s32; |
| } u; |
| } DisasCompare; |
| |
| #ifdef DEBUG_INLINE_BRANCHES |
| static uint64_t inline_branch_hit[CC_OP_MAX]; |
| static uint64_t inline_branch_miss[CC_OP_MAX]; |
| #endif |
| |
| static void pc_to_link_info(TCGv_i64 out, DisasContext *s, uint64_t pc) |
| { |
| if (s->base.tb->flags & FLAG_MASK_32) { |
| if (s->base.tb->flags & FLAG_MASK_64) { |
| tcg_gen_movi_i64(out, pc); |
| return; |
| } |
| pc |= 0x80000000; |
| } |
| assert(!(s->base.tb->flags & FLAG_MASK_64)); |
| tcg_gen_deposit_i64(out, out, tcg_constant_i64(pc), 0, 32); |
| } |
| |
| static TCGv_i64 psw_addr; |
| static TCGv_i64 psw_mask; |
| static TCGv_i64 gbea; |
| |
| static TCGv_i32 cc_op; |
| static TCGv_i64 cc_src; |
| static TCGv_i64 cc_dst; |
| static TCGv_i64 cc_vr; |
| |
| static char cpu_reg_names[16][4]; |
| static TCGv_i64 regs[16]; |
| |
| void s390x_translate_init(void) |
| { |
| int i; |
| |
| psw_addr = tcg_global_mem_new_i64(tcg_env, |
| offsetof(CPUS390XState, psw.addr), |
| "psw_addr"); |
| psw_mask = tcg_global_mem_new_i64(tcg_env, |
| offsetof(CPUS390XState, psw.mask), |
| "psw_mask"); |
| gbea = tcg_global_mem_new_i64(tcg_env, |
| offsetof(CPUS390XState, gbea), |
| "gbea"); |
| |
| cc_op = tcg_global_mem_new_i32(tcg_env, offsetof(CPUS390XState, cc_op), |
| "cc_op"); |
| cc_src = tcg_global_mem_new_i64(tcg_env, offsetof(CPUS390XState, cc_src), |
| "cc_src"); |
| cc_dst = tcg_global_mem_new_i64(tcg_env, offsetof(CPUS390XState, cc_dst), |
| "cc_dst"); |
| cc_vr = tcg_global_mem_new_i64(tcg_env, offsetof(CPUS390XState, cc_vr), |
| "cc_vr"); |
| |
| for (i = 0; i < 16; i++) { |
| snprintf(cpu_reg_names[i], sizeof(cpu_reg_names[0]), "r%d", i); |
| regs[i] = tcg_global_mem_new(tcg_env, |
| offsetof(CPUS390XState, regs[i]), |
| cpu_reg_names[i]); |
| } |
| } |
| |
| static inline int vec_full_reg_offset(uint8_t reg) |
| { |
| g_assert(reg < 32); |
| return offsetof(CPUS390XState, vregs[reg][0]); |
| } |
| |
| static inline int vec_reg_offset(uint8_t reg, uint8_t enr, MemOp es) |
| { |
| /* Convert element size (es) - e.g. MO_8 - to bytes */ |
| const uint8_t bytes = 1 << es; |
| int offs = enr * bytes; |
| |
| /* |
| * vregs[n][0] is the lowest 8 byte and vregs[n][1] the highest 8 byte |
| * of the 16 byte vector, on both, little and big endian systems. |
| * |
| * Big Endian (target/possible host) |
| * B: [ 0][ 1][ 2][ 3][ 4][ 5][ 6][ 7] - [ 8][ 9][10][11][12][13][14][15] |
| * HW: [ 0][ 1][ 2][ 3] - [ 4][ 5][ 6][ 7] |
| * W: [ 0][ 1] - [ 2][ 3] |
| * DW: [ 0] - [ 1] |
| * |
| * Little Endian (possible host) |
| * B: [ 7][ 6][ 5][ 4][ 3][ 2][ 1][ 0] - [15][14][13][12][11][10][ 9][ 8] |
| * HW: [ 3][ 2][ 1][ 0] - [ 7][ 6][ 5][ 4] |
| * W: [ 1][ 0] - [ 3][ 2] |
| * DW: [ 0] - [ 1] |
| * |
| * For 16 byte elements, the two 8 byte halves will not form a host |
| * int128 if the host is little endian, since they're in the wrong order. |
| * Some operations (e.g. xor) do not care. For operations like addition, |
| * the two 8 byte elements have to be loaded separately. Let's force all |
| * 16 byte operations to handle it in a special way. |
| */ |
| g_assert(es <= MO_64); |
| #if !HOST_BIG_ENDIAN |
| offs ^= (8 - bytes); |
| #endif |
| return offs + vec_full_reg_offset(reg); |
| } |
| |
| static inline int freg64_offset(uint8_t reg) |
| { |
| g_assert(reg < 16); |
| return vec_reg_offset(reg, 0, MO_64); |
| } |
| |
| static inline int freg32_offset(uint8_t reg) |
| { |
| g_assert(reg < 16); |
| return vec_reg_offset(reg, 0, MO_32); |
| } |
| |
| static TCGv_i64 load_reg(int reg) |
| { |
| TCGv_i64 r = tcg_temp_new_i64(); |
| tcg_gen_mov_i64(r, regs[reg]); |
| return r; |
| } |
| |
| static TCGv_i64 load_freg(int reg) |
| { |
| TCGv_i64 r = tcg_temp_new_i64(); |
| |
| tcg_gen_ld_i64(r, tcg_env, freg64_offset(reg)); |
| return r; |
| } |
| |
| static TCGv_i64 load_freg32_i64(int reg) |
| { |
| TCGv_i64 r = tcg_temp_new_i64(); |
| |
| tcg_gen_ld32u_i64(r, tcg_env, freg32_offset(reg)); |
| return r; |
| } |
| |
| static TCGv_i128 load_freg_128(int reg) |
| { |
| TCGv_i64 h = load_freg(reg); |
| TCGv_i64 l = load_freg(reg + 2); |
| TCGv_i128 r = tcg_temp_new_i128(); |
| |
| tcg_gen_concat_i64_i128(r, l, h); |
| return r; |
| } |
| |
| static void store_reg(int reg, TCGv_i64 v) |
| { |
| tcg_gen_mov_i64(regs[reg], v); |
| } |
| |
| static void store_freg(int reg, TCGv_i64 v) |
| { |
| tcg_gen_st_i64(v, tcg_env, freg64_offset(reg)); |
| } |
| |
| static void store_reg32_i64(int reg, TCGv_i64 v) |
| { |
| /* 32 bit register writes keep the upper half */ |
| tcg_gen_deposit_i64(regs[reg], regs[reg], v, 0, 32); |
| } |
| |
| static void store_reg32h_i64(int reg, TCGv_i64 v) |
| { |
| tcg_gen_deposit_i64(regs[reg], regs[reg], v, 32, 32); |
| } |
| |
| static void store_freg32_i64(int reg, TCGv_i64 v) |
| { |
| tcg_gen_st32_i64(v, tcg_env, freg32_offset(reg)); |
| } |
| |
| static void update_psw_addr(DisasContext *s) |
| { |
| /* psw.addr */ |
| tcg_gen_movi_i64(psw_addr, s->base.pc_next); |
| } |
| |
| static void per_branch(DisasContext *s, TCGv_i64 dest) |
| { |
| #ifndef CONFIG_USER_ONLY |
| if (s->base.tb->flags & FLAG_MASK_PER_BRANCH) { |
| gen_helper_per_branch(tcg_env, dest, tcg_constant_i32(s->ilen)); |
| } |
| #endif |
| } |
| |
| static void per_breaking_event(DisasContext *s) |
| { |
| tcg_gen_movi_i64(gbea, s->base.pc_next); |
| } |
| |
| static void update_cc_op(DisasContext *s) |
| { |
| if (s->cc_op != CC_OP_DYNAMIC && s->cc_op != CC_OP_STATIC) { |
| tcg_gen_movi_i32(cc_op, s->cc_op); |
| } |
| } |
| |
| static inline uint64_t ld_code2(CPUS390XState *env, DisasContext *s, |
| uint64_t pc) |
| { |
| return (uint64_t)translator_lduw(env, &s->base, pc); |
| } |
| |
| static inline uint64_t ld_code4(CPUS390XState *env, DisasContext *s, |
| uint64_t pc) |
| { |
| return (uint64_t)(uint32_t)translator_ldl(env, &s->base, pc); |
| } |
| |
| static int get_mem_index(DisasContext *s) |
| { |
| #ifdef CONFIG_USER_ONLY |
| return MMU_USER_IDX; |
| #else |
| if (!(s->base.tb->flags & FLAG_MASK_DAT)) { |
| return MMU_REAL_IDX; |
| } |
| |
| switch (s->base.tb->flags & FLAG_MASK_ASC) { |
| case PSW_ASC_PRIMARY >> FLAG_MASK_PSW_SHIFT: |
| return MMU_PRIMARY_IDX; |
| case PSW_ASC_SECONDARY >> FLAG_MASK_PSW_SHIFT: |
| return MMU_SECONDARY_IDX; |
| case PSW_ASC_HOME >> FLAG_MASK_PSW_SHIFT: |
| return MMU_HOME_IDX; |
| default: |
| g_assert_not_reached(); |
| } |
| #endif |
| } |
| |
| static void gen_exception(int excp) |
| { |
| gen_helper_exception(tcg_env, tcg_constant_i32(excp)); |
| } |
| |
| static void gen_program_exception(DisasContext *s, int code) |
| { |
| /* Remember what pgm exception this was. */ |
| tcg_gen_st_i32(tcg_constant_i32(code), tcg_env, |
| offsetof(CPUS390XState, int_pgm_code)); |
| |
| tcg_gen_st_i32(tcg_constant_i32(s->ilen), tcg_env, |
| offsetof(CPUS390XState, int_pgm_ilen)); |
| |
| /* update the psw */ |
| update_psw_addr(s); |
| |
| /* Save off cc. */ |
| update_cc_op(s); |
| |
| /* Trigger exception. */ |
| gen_exception(EXCP_PGM); |
| } |
| |
| static inline void gen_illegal_opcode(DisasContext *s) |
| { |
| gen_program_exception(s, PGM_OPERATION); |
| } |
| |
| static inline void gen_data_exception(uint8_t dxc) |
| { |
| gen_helper_data_exception(tcg_env, tcg_constant_i32(dxc)); |
| } |
| |
| static inline void gen_trap(DisasContext *s) |
| { |
| /* Set DXC to 0xff */ |
| gen_data_exception(0xff); |
| } |
| |
| static void gen_addi_and_wrap_i64(DisasContext *s, TCGv_i64 dst, TCGv_i64 src, |
| int64_t imm) |
| { |
| tcg_gen_addi_i64(dst, src, imm); |
| if (!(s->base.tb->flags & FLAG_MASK_64)) { |
| if (s->base.tb->flags & FLAG_MASK_32) { |
| tcg_gen_andi_i64(dst, dst, 0x7fffffff); |
| } else { |
| tcg_gen_andi_i64(dst, dst, 0x00ffffff); |
| } |
| } |
| } |
| |
| static TCGv_i64 get_address(DisasContext *s, int x2, int b2, int d2) |
| { |
| TCGv_i64 tmp = tcg_temp_new_i64(); |
| |
| /* |
| * Note that d2 is limited to 20 bits, signed. If we crop negative |
| * displacements early we create larger immediate addends. |
| */ |
| if (b2 && x2) { |
| tcg_gen_add_i64(tmp, regs[b2], regs[x2]); |
| gen_addi_and_wrap_i64(s, tmp, tmp, d2); |
| } else if (b2) { |
| gen_addi_and_wrap_i64(s, tmp, regs[b2], d2); |
| } else if (x2) { |
| gen_addi_and_wrap_i64(s, tmp, regs[x2], d2); |
| } else if (!(s->base.tb->flags & FLAG_MASK_64)) { |
| if (s->base.tb->flags & FLAG_MASK_32) { |
| tcg_gen_movi_i64(tmp, d2 & 0x7fffffff); |
| } else { |
| tcg_gen_movi_i64(tmp, d2 & 0x00ffffff); |
| } |
| } else { |
| tcg_gen_movi_i64(tmp, d2); |
| } |
| |
| return tmp; |
| } |
| |
| static inline bool live_cc_data(DisasContext *s) |
| { |
| return (s->cc_op != CC_OP_DYNAMIC |
| && s->cc_op != CC_OP_STATIC |
| && s->cc_op > 3); |
| } |
| |
| static inline void gen_op_movi_cc(DisasContext *s, uint32_t val) |
| { |
| if (live_cc_data(s)) { |
| tcg_gen_discard_i64(cc_src); |
| tcg_gen_discard_i64(cc_dst); |
| tcg_gen_discard_i64(cc_vr); |
| } |
| s->cc_op = CC_OP_CONST0 + val; |
| } |
| |
| static void gen_op_update1_cc_i64(DisasContext *s, enum cc_op op, TCGv_i64 dst) |
| { |
| if (live_cc_data(s)) { |
| tcg_gen_discard_i64(cc_src); |
| tcg_gen_discard_i64(cc_vr); |
| } |
| tcg_gen_mov_i64(cc_dst, dst); |
| s->cc_op = op; |
| } |
| |
| static void gen_op_update2_cc_i64(DisasContext *s, enum cc_op op, TCGv_i64 src, |
| TCGv_i64 dst) |
| { |
| if (live_cc_data(s)) { |
| tcg_gen_discard_i64(cc_vr); |
| } |
| tcg_gen_mov_i64(cc_src, src); |
| tcg_gen_mov_i64(cc_dst, dst); |
| s->cc_op = op; |
| } |
| |
| static void gen_op_update3_cc_i64(DisasContext *s, enum cc_op op, TCGv_i64 src, |
| TCGv_i64 dst, TCGv_i64 vr) |
| { |
| tcg_gen_mov_i64(cc_src, src); |
| tcg_gen_mov_i64(cc_dst, dst); |
| tcg_gen_mov_i64(cc_vr, vr); |
| s->cc_op = op; |
| } |
| |
| static void set_cc_nz_u64(DisasContext *s, TCGv_i64 val) |
| { |
| gen_op_update1_cc_i64(s, CC_OP_NZ, val); |
| } |
| |
| /* CC value is in env->cc_op */ |
| static void set_cc_static(DisasContext *s) |
| { |
| if (live_cc_data(s)) { |
| tcg_gen_discard_i64(cc_src); |
| tcg_gen_discard_i64(cc_dst); |
| tcg_gen_discard_i64(cc_vr); |
| } |
| s->cc_op = CC_OP_STATIC; |
| } |
| |
| /* calculates cc into cc_op */ |
| static void gen_op_calc_cc(DisasContext *s) |
| { |
| TCGv_i32 local_cc_op = NULL; |
| TCGv_i64 dummy = NULL; |
| |
| switch (s->cc_op) { |
| default: |
| dummy = tcg_constant_i64(0); |
| /* FALLTHRU */ |
| case CC_OP_ADD_64: |
| case CC_OP_SUB_64: |
| case CC_OP_ADD_32: |
| case CC_OP_SUB_32: |
| local_cc_op = tcg_constant_i32(s->cc_op); |
| break; |
| case CC_OP_CONST0: |
| case CC_OP_CONST1: |
| case CC_OP_CONST2: |
| case CC_OP_CONST3: |
| case CC_OP_STATIC: |
| case CC_OP_DYNAMIC: |
| break; |
| } |
| |
| switch (s->cc_op) { |
| case CC_OP_CONST0: |
| case CC_OP_CONST1: |
| case CC_OP_CONST2: |
| case CC_OP_CONST3: |
| /* s->cc_op is the cc value */ |
| tcg_gen_movi_i32(cc_op, s->cc_op - CC_OP_CONST0); |
| break; |
| case CC_OP_STATIC: |
| /* env->cc_op already is the cc value */ |
| break; |
| case CC_OP_NZ: |
| tcg_gen_setcondi_i64(TCG_COND_NE, cc_dst, cc_dst, 0); |
| tcg_gen_extrl_i64_i32(cc_op, cc_dst); |
| break; |
| case CC_OP_ABS_64: |
| case CC_OP_NABS_64: |
| case CC_OP_ABS_32: |
| case CC_OP_NABS_32: |
| case CC_OP_LTGT0_32: |
| case CC_OP_LTGT0_64: |
| case CC_OP_COMP_32: |
| case CC_OP_COMP_64: |
| case CC_OP_NZ_F32: |
| case CC_OP_NZ_F64: |
| case CC_OP_FLOGR: |
| case CC_OP_LCBB: |
| case CC_OP_MULS_32: |
| /* 1 argument */ |
| gen_helper_calc_cc(cc_op, tcg_env, local_cc_op, dummy, cc_dst, dummy); |
| break; |
| case CC_OP_ADDU: |
| case CC_OP_ICM: |
| case CC_OP_LTGT_32: |
| case CC_OP_LTGT_64: |
| case CC_OP_LTUGTU_32: |
| case CC_OP_LTUGTU_64: |
| case CC_OP_TM_32: |
| case CC_OP_TM_64: |
| case CC_OP_SLA: |
| case CC_OP_SUBU: |
| case CC_OP_NZ_F128: |
| case CC_OP_VC: |
| case CC_OP_MULS_64: |
| /* 2 arguments */ |
| gen_helper_calc_cc(cc_op, tcg_env, local_cc_op, cc_src, cc_dst, dummy); |
| break; |
| case CC_OP_ADD_64: |
| case CC_OP_SUB_64: |
| case CC_OP_ADD_32: |
| case CC_OP_SUB_32: |
| /* 3 arguments */ |
| gen_helper_calc_cc(cc_op, tcg_env, local_cc_op, cc_src, cc_dst, cc_vr); |
| break; |
| case CC_OP_DYNAMIC: |
| /* unknown operation - assume 3 arguments and cc_op in env */ |
| gen_helper_calc_cc(cc_op, tcg_env, cc_op, cc_src, cc_dst, cc_vr); |
| break; |
| default: |
| g_assert_not_reached(); |
| } |
| |
| /* We now have cc in cc_op as constant */ |
| set_cc_static(s); |
| } |
| |
| static bool use_goto_tb(DisasContext *s, uint64_t dest) |
| { |
| return translator_use_goto_tb(&s->base, dest); |
| } |
| |
| static void account_noninline_branch(DisasContext *s, int cc_op) |
| { |
| #ifdef DEBUG_INLINE_BRANCHES |
| inline_branch_miss[cc_op]++; |
| #endif |
| } |
| |
| static void account_inline_branch(DisasContext *s, int cc_op) |
| { |
| #ifdef DEBUG_INLINE_BRANCHES |
| inline_branch_hit[cc_op]++; |
| #endif |
| } |
| |
| /* Table of mask values to comparison codes, given a comparison as input. |
| For such, CC=3 should not be possible. */ |
| static const TCGCond ltgt_cond[16] = { |
| TCG_COND_NEVER, TCG_COND_NEVER, /* | | | x */ |
| TCG_COND_GT, TCG_COND_GT, /* | | GT | x */ |
| TCG_COND_LT, TCG_COND_LT, /* | LT | | x */ |
| TCG_COND_NE, TCG_COND_NE, /* | LT | GT | x */ |
| TCG_COND_EQ, TCG_COND_EQ, /* EQ | | | x */ |
| TCG_COND_GE, TCG_COND_GE, /* EQ | | GT | x */ |
| TCG_COND_LE, TCG_COND_LE, /* EQ | LT | | x */ |
| TCG_COND_ALWAYS, TCG_COND_ALWAYS, /* EQ | LT | GT | x */ |
| }; |
| |
| /* Table of mask values to comparison codes, given a logic op as input. |
| For such, only CC=0 and CC=1 should be possible. */ |
| static const TCGCond nz_cond[16] = { |
| TCG_COND_NEVER, TCG_COND_NEVER, /* | | x | x */ |
| TCG_COND_NEVER, TCG_COND_NEVER, |
| TCG_COND_NE, TCG_COND_NE, /* | NE | x | x */ |
| TCG_COND_NE, TCG_COND_NE, |
| TCG_COND_EQ, TCG_COND_EQ, /* EQ | | x | x */ |
| TCG_COND_EQ, TCG_COND_EQ, |
| TCG_COND_ALWAYS, TCG_COND_ALWAYS, /* EQ | NE | x | x */ |
| TCG_COND_ALWAYS, TCG_COND_ALWAYS, |
| }; |
| |
| /* Interpret MASK in terms of S->CC_OP, and fill in C with all the |
| details required to generate a TCG comparison. */ |
| static void disas_jcc(DisasContext *s, DisasCompare *c, uint32_t mask) |
| { |
| TCGCond cond; |
| enum cc_op old_cc_op = s->cc_op; |
| |
| if (mask == 15 || mask == 0) { |
| c->cond = (mask ? TCG_COND_ALWAYS : TCG_COND_NEVER); |
| c->u.s32.a = cc_op; |
| c->u.s32.b = cc_op; |
| c->is_64 = false; |
| return; |
| } |
| |
| /* Find the TCG condition for the mask + cc op. */ |
| switch (old_cc_op) { |
| case CC_OP_LTGT0_32: |
| case CC_OP_LTGT0_64: |
| case CC_OP_LTGT_32: |
| case CC_OP_LTGT_64: |
| cond = ltgt_cond[mask]; |
| if (cond == TCG_COND_NEVER) { |
| goto do_dynamic; |
| } |
| account_inline_branch(s, old_cc_op); |
| break; |
| |
| case CC_OP_LTUGTU_32: |
| case CC_OP_LTUGTU_64: |
| cond = tcg_unsigned_cond(ltgt_cond[mask]); |
| if (cond == TCG_COND_NEVER) { |
| goto do_dynamic; |
| } |
| account_inline_branch(s, old_cc_op); |
| break; |
| |
| case CC_OP_NZ: |
| cond = nz_cond[mask]; |
| if (cond == TCG_COND_NEVER) { |
| goto do_dynamic; |
| } |
| account_inline_branch(s, old_cc_op); |
| break; |
| |
| case CC_OP_TM_32: |
| case CC_OP_TM_64: |
| switch (mask) { |
| case 8: |
| cond = TCG_COND_TSTEQ; |
| break; |
| case 4 | 2 | 1: |
| cond = TCG_COND_TSTNE; |
| break; |
| default: |
| goto do_dynamic; |
| } |
| account_inline_branch(s, old_cc_op); |
| break; |
| |
| case CC_OP_ICM: |
| switch (mask) { |
| case 8: |
| cond = TCG_COND_TSTEQ; |
| break; |
| case 4 | 2 | 1: |
| case 4 | 2: |
| cond = TCG_COND_TSTNE; |
| break; |
| default: |
| goto do_dynamic; |
| } |
| account_inline_branch(s, old_cc_op); |
| break; |
| |
| case CC_OP_FLOGR: |
| switch (mask & 0xa) { |
| case 8: /* src == 0 -> no one bit found */ |
| cond = TCG_COND_EQ; |
| break; |
| case 2: /* src != 0 -> one bit found */ |
| cond = TCG_COND_NE; |
| break; |
| default: |
| goto do_dynamic; |
| } |
| account_inline_branch(s, old_cc_op); |
| break; |
| |
| case CC_OP_ADDU: |
| case CC_OP_SUBU: |
| switch (mask) { |
| case 8 | 2: /* result == 0 */ |
| cond = TCG_COND_EQ; |
| break; |
| case 4 | 1: /* result != 0 */ |
| cond = TCG_COND_NE; |
| break; |
| case 8 | 4: /* !carry (borrow) */ |
| cond = old_cc_op == CC_OP_ADDU ? TCG_COND_EQ : TCG_COND_NE; |
| break; |
| case 2 | 1: /* carry (!borrow) */ |
| cond = old_cc_op == CC_OP_ADDU ? TCG_COND_NE : TCG_COND_EQ; |
| break; |
| default: |
| goto do_dynamic; |
| } |
| account_inline_branch(s, old_cc_op); |
| break; |
| |
| default: |
| do_dynamic: |
| /* Calculate cc value. */ |
| gen_op_calc_cc(s); |
| /* FALLTHRU */ |
| |
| case CC_OP_STATIC: |
| /* Jump based on CC. We'll load up the real cond below; |
| the assignment here merely avoids a compiler warning. */ |
| account_noninline_branch(s, old_cc_op); |
| old_cc_op = CC_OP_STATIC; |
| cond = TCG_COND_NEVER; |
| break; |
| } |
| |
| /* Load up the arguments of the comparison. */ |
| c->is_64 = true; |
| switch (old_cc_op) { |
| case CC_OP_LTGT0_32: |
| c->is_64 = false; |
| c->u.s32.a = tcg_temp_new_i32(); |
| tcg_gen_extrl_i64_i32(c->u.s32.a, cc_dst); |
| c->u.s32.b = tcg_constant_i32(0); |
| break; |
| case CC_OP_LTGT_32: |
| case CC_OP_LTUGTU_32: |
| c->is_64 = false; |
| c->u.s32.a = tcg_temp_new_i32(); |
| tcg_gen_extrl_i64_i32(c->u.s32.a, cc_src); |
| c->u.s32.b = tcg_temp_new_i32(); |
| tcg_gen_extrl_i64_i32(c->u.s32.b, cc_dst); |
| break; |
| |
| case CC_OP_LTGT0_64: |
| case CC_OP_NZ: |
| case CC_OP_FLOGR: |
| c->u.s64.a = cc_dst; |
| c->u.s64.b = tcg_constant_i64(0); |
| break; |
| |
| case CC_OP_LTGT_64: |
| case CC_OP_LTUGTU_64: |
| case CC_OP_TM_32: |
| case CC_OP_TM_64: |
| case CC_OP_ICM: |
| c->u.s64.a = cc_src; |
| c->u.s64.b = cc_dst; |
| break; |
| |
| case CC_OP_ADDU: |
| case CC_OP_SUBU: |
| c->is_64 = true; |
| c->u.s64.b = tcg_constant_i64(0); |
| switch (mask) { |
| case 8 | 2: |
| case 4 | 1: /* result */ |
| c->u.s64.a = cc_dst; |
| break; |
| case 8 | 4: |
| case 2 | 1: /* carry */ |
| c->u.s64.a = cc_src; |
| break; |
| default: |
| g_assert_not_reached(); |
| } |
| break; |
| |
| case CC_OP_STATIC: |
| c->is_64 = false; |
| c->u.s32.a = cc_op; |
| |
| /* Fold half of the cases using bit 3 to invert. */ |
| switch (mask & 8 ? mask ^ 0xf : mask) { |
| case 0x1: /* cc == 3 */ |
| cond = TCG_COND_EQ; |
| c->u.s32.b = tcg_constant_i32(3); |
| break; |
| case 0x2: /* cc == 2 */ |
| cond = TCG_COND_EQ; |
| c->u.s32.b = tcg_constant_i32(2); |
| break; |
| case 0x4: /* cc == 1 */ |
| cond = TCG_COND_EQ; |
| c->u.s32.b = tcg_constant_i32(1); |
| break; |
| case 0x2 | 0x1: /* cc == 2 || cc == 3 => cc > 1 */ |
| cond = TCG_COND_GTU; |
| c->u.s32.b = tcg_constant_i32(1); |
| break; |
| case 0x4 | 0x1: /* cc == 1 || cc == 3 => (cc & 1) != 0 */ |
| cond = TCG_COND_TSTNE; |
| c->u.s32.b = tcg_constant_i32(1); |
| break; |
| case 0x4 | 0x2: /* cc == 1 || cc == 2 => (cc - 1) <= 1 */ |
| cond = TCG_COND_LEU; |
| c->u.s32.a = tcg_temp_new_i32(); |
| c->u.s32.b = tcg_constant_i32(1); |
| tcg_gen_addi_i32(c->u.s32.a, cc_op, -1); |
| break; |
| case 0x4 | 0x2 | 0x1: /* cc != 0 */ |
| cond = TCG_COND_NE; |
| c->u.s32.b = tcg_constant_i32(0); |
| break; |
| default: |
| /* case 0: never, handled above. */ |
| g_assert_not_reached(); |
| } |
| if (mask & 8) { |
| cond = tcg_invert_cond(cond); |
| } |
| break; |
| |
| default: |
| abort(); |
| } |
| c->cond = cond; |
| } |
| |
| /* ====================================================================== */ |
| /* Define the insn format enumeration. */ |
| #define F0(N) FMT_##N, |
| #define F1(N, X1) F0(N) |
| #define F2(N, X1, X2) F0(N) |
| #define F3(N, X1, X2, X3) F0(N) |
| #define F4(N, X1, X2, X3, X4) F0(N) |
| #define F5(N, X1, X2, X3, X4, X5) F0(N) |
| #define F6(N, X1, X2, X3, X4, X5, X6) F0(N) |
| |
| typedef enum { |
| #include "insn-format.h.inc" |
| } DisasFormat; |
| |
| #undef F0 |
| #undef F1 |
| #undef F2 |
| #undef F3 |
| #undef F4 |
| #undef F5 |
| #undef F6 |
| |
| /* This is the way fields are to be accessed out of DisasFields. */ |
| #define have_field(S, F) have_field1((S), FLD_O_##F) |
| #define get_field(S, F) get_field1((S), FLD_O_##F, FLD_C_##F) |
| |
| static bool have_field1(const DisasContext *s, enum DisasFieldIndexO c) |
| { |
| return (s->fields.presentO >> c) & 1; |
| } |
| |
| static int get_field1(const DisasContext *s, enum DisasFieldIndexO o, |
| enum DisasFieldIndexC c) |
| { |
| assert(have_field1(s, o)); |
| return s->fields.c[c]; |
| } |
| |
| /* Describe the layout of each field in each format. */ |
| typedef struct DisasField { |
| unsigned int beg:8; |
| unsigned int size:8; |
| unsigned int type:2; |
| unsigned int indexC:6; |
| enum DisasFieldIndexO indexO:8; |
| } DisasField; |
| |
| typedef struct DisasFormatInfo { |
| DisasField op[NUM_C_FIELD]; |
| } DisasFormatInfo; |
| |
| #define R(N, B) { B, 4, 0, FLD_C_r##N, FLD_O_r##N } |
| #define M(N, B) { B, 4, 0, FLD_C_m##N, FLD_O_m##N } |
| #define V(N, B) { B, 4, 3, FLD_C_v##N, FLD_O_v##N } |
| #define BD(N, BB, BD) { BB, 4, 0, FLD_C_b##N, FLD_O_b##N }, \ |
| { BD, 12, 0, FLD_C_d##N, FLD_O_d##N } |
| #define BXD(N) { 16, 4, 0, FLD_C_b##N, FLD_O_b##N }, \ |
| { 12, 4, 0, FLD_C_x##N, FLD_O_x##N }, \ |
| { 20, 12, 0, FLD_C_d##N, FLD_O_d##N } |
| #define BDL(N) { 16, 4, 0, FLD_C_b##N, FLD_O_b##N }, \ |
| { 20, 20, 2, FLD_C_d##N, FLD_O_d##N } |
| #define BXDL(N) { 16, 4, 0, FLD_C_b##N, FLD_O_b##N }, \ |
| { 12, 4, 0, FLD_C_x##N, FLD_O_x##N }, \ |
| { 20, 20, 2, FLD_C_d##N, FLD_O_d##N } |
| #define I(N, B, S) { B, S, 1, FLD_C_i##N, FLD_O_i##N } |
| #define L(N, B, S) { B, S, 0, FLD_C_l##N, FLD_O_l##N } |
| |
| #define F0(N) { { } }, |
| #define F1(N, X1) { { X1 } }, |
| #define F2(N, X1, X2) { { X1, X2 } }, |
| #define F3(N, X1, X2, X3) { { X1, X2, X3 } }, |
| #define F4(N, X1, X2, X3, X4) { { X1, X2, X3, X4 } }, |
| #define F5(N, X1, X2, X3, X4, X5) { { X1, X2, X3, X4, X5 } }, |
| #define F6(N, X1, X2, X3, X4, X5, X6) { { X1, X2, X3, X4, X5, X6 } }, |
| |
| static const DisasFormatInfo format_info[] = { |
| #include "insn-format.h.inc" |
| }; |
| |
| #undef F0 |
| #undef F1 |
| #undef F2 |
| #undef F3 |
| #undef F4 |
| #undef F5 |
| #undef F6 |
| #undef R |
| #undef M |
| #undef V |
| #undef BD |
| #undef BXD |
| #undef BDL |
| #undef BXDL |
| #undef I |
| #undef L |
| |
| /* Generally, we'll extract operands into this structures, operate upon |
| them, and store them back. See the "in1", "in2", "prep", "wout" sets |
| of routines below for more details. */ |
| typedef struct { |
| TCGv_i64 out, out2, in1, in2; |
| TCGv_i64 addr1; |
| TCGv_i128 out_128, in1_128, in2_128; |
| } DisasOps; |
| |
| /* Instructions can place constraints on their operands, raising specification |
| exceptions if they are violated. To make this easy to automate, each "in1", |
| "in2", "prep", "wout" helper will have a SPEC_<name> define that equals one |
| of the following, or 0. To make this easy to document, we'll put the |
| SPEC_<name> defines next to <name>. */ |
| |
| #define SPEC_r1_even 1 |
| #define SPEC_r2_even 2 |
| #define SPEC_r3_even 4 |
| #define SPEC_r1_f128 8 |
| #define SPEC_r2_f128 16 |
| |
| /* Return values from translate_one, indicating the state of the TB. */ |
| |
| /* We are not using a goto_tb (for whatever reason), but have updated |
| the PC (for whatever reason), so there's no need to do it again on |
| exiting the TB. */ |
| #define DISAS_PC_UPDATED DISAS_TARGET_0 |
| |
| /* We have updated the PC and CC values. */ |
| #define DISAS_PC_CC_UPDATED DISAS_TARGET_2 |
| |
| |
| /* Instruction flags */ |
| #define IF_AFP1 0x0001 /* r1 is a fp reg for HFP/FPS instructions */ |
| #define IF_AFP2 0x0002 /* r2 is a fp reg for HFP/FPS instructions */ |
| #define IF_AFP3 0x0004 /* r3 is a fp reg for HFP/FPS instructions */ |
| #define IF_BFP 0x0008 /* binary floating point instruction */ |
| #define IF_DFP 0x0010 /* decimal floating point instruction */ |
| #define IF_PRIV 0x0020 /* privileged instruction */ |
| #define IF_VEC 0x0040 /* vector instruction */ |
| #define IF_IO 0x0080 /* input/output instruction */ |
| |
| struct DisasInsn { |
| unsigned opc:16; |
| unsigned flags:16; |
| DisasFormat fmt:8; |
| unsigned fac:8; |
| unsigned spec:8; |
| |
| const char *name; |
| |
| /* Pre-process arguments before HELP_OP. */ |
| void (*help_in1)(DisasContext *, DisasOps *); |
| void (*help_in2)(DisasContext *, DisasOps *); |
| void (*help_prep)(DisasContext *, DisasOps *); |
| |
| /* |
| * Post-process output after HELP_OP. |
| * Note that these are not called if HELP_OP returns DISAS_NORETURN. |
| */ |
| void (*help_wout)(DisasContext *, DisasOps *); |
| void (*help_cout)(DisasContext *, DisasOps *); |
| |
| /* Implement the operation itself. */ |
| DisasJumpType (*help_op)(DisasContext *, DisasOps *); |
| |
| uint64_t data; |
| }; |
| |
| /* ====================================================================== */ |
| /* Miscellaneous helpers, used by several operations. */ |
| |
| static DisasJumpType help_goto_direct(DisasContext *s, uint64_t dest) |
| { |
| update_cc_op(s); |
| per_breaking_event(s); |
| per_branch(s, tcg_constant_i64(dest)); |
| |
| if (dest == s->pc_tmp) { |
| return DISAS_NEXT; |
| } |
| if (use_goto_tb(s, dest)) { |
| tcg_gen_goto_tb(0); |
| tcg_gen_movi_i64(psw_addr, dest); |
| tcg_gen_exit_tb(s->base.tb, 0); |
| return DISAS_NORETURN; |
| } else { |
| tcg_gen_movi_i64(psw_addr, dest); |
| return DISAS_PC_CC_UPDATED; |
| } |
| } |
| |
| static DisasJumpType help_goto_indirect(DisasContext *s, TCGv_i64 dest) |
| { |
| update_cc_op(s); |
| per_breaking_event(s); |
| tcg_gen_mov_i64(psw_addr, dest); |
| per_branch(s, psw_addr); |
| return DISAS_PC_CC_UPDATED; |
| } |
| |
| static DisasJumpType help_branch(DisasContext *s, DisasCompare *c, |
| bool is_imm, int imm, TCGv_i64 cdest) |
| { |
| uint64_t dest = s->base.pc_next + (int64_t)imm * 2; |
| TCGLabel *lab; |
| |
| /* Take care of the special cases first. */ |
| if (c->cond == TCG_COND_NEVER) { |
| return DISAS_NEXT; |
| } |
| if (is_imm) { |
| /* |
| * Do not optimize a conditional branch if PER enabled, because we |
| * still need a conditional call to helper_per_branch. |
| */ |
| if (c->cond == TCG_COND_ALWAYS |
| || (dest == s->pc_tmp && |
| !(s->base.tb->flags & FLAG_MASK_PER_BRANCH))) { |
| return help_goto_direct(s, dest); |
| } |
| } else { |
| if (!cdest) { |
| /* E.g. bcr %r0 -> no branch. */ |
| return DISAS_NEXT; |
| } |
| if (c->cond == TCG_COND_ALWAYS) { |
| return help_goto_indirect(s, cdest); |
| } |
| } |
| |
| update_cc_op(s); |
| |
| /* |
| * Ensure the taken branch is fall-through of the tcg branch. |
| * This keeps @cdest usage within the extended basic block, |
| * which avoids an otherwise unnecessary spill to the stack. |
| */ |
| lab = gen_new_label(); |
| if (c->is_64) { |
| tcg_gen_brcond_i64(tcg_invert_cond(c->cond), |
| c->u.s64.a, c->u.s64.b, lab); |
| } else { |
| tcg_gen_brcond_i32(tcg_invert_cond(c->cond), |
| c->u.s32.a, c->u.s32.b, lab); |
| } |
| |
| /* Branch taken. */ |
| per_breaking_event(s); |
| if (is_imm) { |
| tcg_gen_movi_i64(psw_addr, dest); |
| } else { |
| tcg_gen_mov_i64(psw_addr, cdest); |
| } |
| per_branch(s, psw_addr); |
| |
| if (is_imm && use_goto_tb(s, dest)) { |
| tcg_gen_goto_tb(0); |
| tcg_gen_exit_tb(s->base.tb, 0); |
| } else { |
| tcg_gen_lookup_and_goto_ptr(); |
| } |
| |
| gen_set_label(lab); |
| |
| /* Branch not taken. */ |
| tcg_gen_movi_i64(psw_addr, s->pc_tmp); |
| if (use_goto_tb(s, s->pc_tmp)) { |
| tcg_gen_goto_tb(1); |
| tcg_gen_exit_tb(s->base.tb, 1); |
| return DISAS_NORETURN; |
| } |
| return DISAS_PC_CC_UPDATED; |
| } |
| |
| /* ====================================================================== */ |
| /* The operations. These perform the bulk of the work for any insn, |
| usually after the operands have been loaded and output initialized. */ |
| |
| static DisasJumpType op_abs(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_abs_i64(o->out, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_absf32(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_andi_i64(o->out, o->in2, 0x7fffffffull); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_absf64(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_andi_i64(o->out, o->in2, 0x7fffffffffffffffull); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_absf128(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_andi_i64(o->out, o->in1, 0x7fffffffffffffffull); |
| tcg_gen_mov_i64(o->out2, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_add(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_add_i64(o->out, o->in1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_addu64(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_movi_i64(cc_src, 0); |
| tcg_gen_add2_i64(o->out, cc_src, o->in1, cc_src, o->in2, cc_src); |
| return DISAS_NEXT; |
| } |
| |
| /* Compute carry into cc_src. */ |
| static void compute_carry(DisasContext *s) |
| { |
| switch (s->cc_op) { |
| case CC_OP_ADDU: |
| /* The carry value is already in cc_src (1,0). */ |
| break; |
| case CC_OP_SUBU: |
| tcg_gen_addi_i64(cc_src, cc_src, 1); |
| break; |
| default: |
| gen_op_calc_cc(s); |
| /* fall through */ |
| case CC_OP_STATIC: |
| /* The carry flag is the msb of CC; compute into cc_src. */ |
| tcg_gen_extu_i32_i64(cc_src, cc_op); |
| tcg_gen_shri_i64(cc_src, cc_src, 1); |
| break; |
| } |
| } |
| |
| static DisasJumpType op_addc32(DisasContext *s, DisasOps *o) |
| { |
| compute_carry(s); |
| tcg_gen_add_i64(o->out, o->in1, o->in2); |
| tcg_gen_add_i64(o->out, o->out, cc_src); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_addc64(DisasContext *s, DisasOps *o) |
| { |
| compute_carry(s); |
| |
| TCGv_i64 zero = tcg_constant_i64(0); |
| tcg_gen_add2_i64(o->out, cc_src, o->in1, zero, cc_src, zero); |
| tcg_gen_add2_i64(o->out, cc_src, o->out, cc_src, o->in2, zero); |
| |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_asi(DisasContext *s, DisasOps *o) |
| { |
| bool non_atomic = !s390_has_feat(S390_FEAT_STFLE_45); |
| |
| o->in1 = tcg_temp_new_i64(); |
| if (non_atomic) { |
| tcg_gen_qemu_ld_tl(o->in1, o->addr1, get_mem_index(s), s->insn->data); |
| } else { |
| /* Perform the atomic addition in memory. */ |
| tcg_gen_atomic_fetch_add_i64(o->in1, o->addr1, o->in2, get_mem_index(s), |
| s->insn->data); |
| } |
| |
| /* Recompute also for atomic case: needed for setting CC. */ |
| tcg_gen_add_i64(o->out, o->in1, o->in2); |
| |
| if (non_atomic) { |
| tcg_gen_qemu_st_tl(o->out, o->addr1, get_mem_index(s), s->insn->data); |
| } |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_asiu64(DisasContext *s, DisasOps *o) |
| { |
| bool non_atomic = !s390_has_feat(S390_FEAT_STFLE_45); |
| |
| o->in1 = tcg_temp_new_i64(); |
| if (non_atomic) { |
| tcg_gen_qemu_ld_tl(o->in1, o->addr1, get_mem_index(s), s->insn->data); |
| } else { |
| /* Perform the atomic addition in memory. */ |
| tcg_gen_atomic_fetch_add_i64(o->in1, o->addr1, o->in2, get_mem_index(s), |
| s->insn->data); |
| } |
| |
| /* Recompute also for atomic case: needed for setting CC. */ |
| tcg_gen_movi_i64(cc_src, 0); |
| tcg_gen_add2_i64(o->out, cc_src, o->in1, cc_src, o->in2, cc_src); |
| |
| if (non_atomic) { |
| tcg_gen_qemu_st_tl(o->out, o->addr1, get_mem_index(s), s->insn->data); |
| } |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_aeb(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_aeb(o->out, tcg_env, o->in1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_adb(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_adb(o->out, tcg_env, o->in1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_axb(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_axb(o->out_128, tcg_env, o->in1_128, o->in2_128); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_and(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_and_i64(o->out, o->in1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_andi(DisasContext *s, DisasOps *o) |
| { |
| int shift = s->insn->data & 0xff; |
| int size = s->insn->data >> 8; |
| uint64_t mask = ((1ull << size) - 1) << shift; |
| TCGv_i64 t = tcg_temp_new_i64(); |
| |
| tcg_gen_shli_i64(t, o->in2, shift); |
| tcg_gen_ori_i64(t, t, ~mask); |
| tcg_gen_and_i64(o->out, o->in1, t); |
| |
| /* Produce the CC from only the bits manipulated. */ |
| tcg_gen_andi_i64(cc_dst, o->out, mask); |
| set_cc_nz_u64(s, cc_dst); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_andc(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_andc_i64(o->out, o->in1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_orc(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_orc_i64(o->out, o->in1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_nand(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_nand_i64(o->out, o->in1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_nor(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_nor_i64(o->out, o->in1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_nxor(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_eqv_i64(o->out, o->in1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_ni(DisasContext *s, DisasOps *o) |
| { |
| o->in1 = tcg_temp_new_i64(); |
| |
| if (!s390_has_feat(S390_FEAT_INTERLOCKED_ACCESS_2)) { |
| tcg_gen_qemu_ld_tl(o->in1, o->addr1, get_mem_index(s), s->insn->data); |
| } else { |
| /* Perform the atomic operation in memory. */ |
| tcg_gen_atomic_fetch_and_i64(o->in1, o->addr1, o->in2, get_mem_index(s), |
| s->insn->data); |
| } |
| |
| /* Recompute also for atomic case: needed for setting CC. */ |
| tcg_gen_and_i64(o->out, o->in1, o->in2); |
| |
| if (!s390_has_feat(S390_FEAT_INTERLOCKED_ACCESS_2)) { |
| tcg_gen_qemu_st_tl(o->out, o->addr1, get_mem_index(s), s->insn->data); |
| } |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_bas(DisasContext *s, DisasOps *o) |
| { |
| pc_to_link_info(o->out, s, s->pc_tmp); |
| if (o->in2) { |
| return help_goto_indirect(s, o->in2); |
| } else { |
| return DISAS_NEXT; |
| } |
| } |
| |
| static void save_link_info(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i64 t; |
| |
| if (s->base.tb->flags & (FLAG_MASK_32 | FLAG_MASK_64)) { |
| pc_to_link_info(o->out, s, s->pc_tmp); |
| return; |
| } |
| gen_op_calc_cc(s); |
| tcg_gen_andi_i64(o->out, o->out, 0xffffffff00000000ull); |
| tcg_gen_ori_i64(o->out, o->out, ((s->ilen / 2) << 30) | s->pc_tmp); |
| t = tcg_temp_new_i64(); |
| tcg_gen_shri_i64(t, psw_mask, 16); |
| tcg_gen_andi_i64(t, t, 0x0f000000); |
| tcg_gen_or_i64(o->out, o->out, t); |
| tcg_gen_extu_i32_i64(t, cc_op); |
| tcg_gen_shli_i64(t, t, 28); |
| tcg_gen_or_i64(o->out, o->out, t); |
| } |
| |
| static DisasJumpType op_bal(DisasContext *s, DisasOps *o) |
| { |
| save_link_info(s, o); |
| if (o->in2) { |
| return help_goto_indirect(s, o->in2); |
| } else { |
| return DISAS_NEXT; |
| } |
| } |
| |
| /* |
| * Disassemble the target of a branch. The results are returned in a form |
| * suitable for passing into help_branch(): |
| * |
| * - bool IS_IMM reflects whether the target is fixed or computed. Non-EXECUTEd |
| * branches, whose DisasContext *S contains the relative immediate field RI, |
| * are considered fixed. All the other branches are considered computed. |
| * - int IMM is the value of RI. |
| * - TCGv_i64 CDEST is the address of the computed target. |
| */ |
| #define disas_jdest(s, ri, is_imm, imm, cdest) do { \ |
| if (have_field(s, ri)) { \ |
| if (unlikely(s->ex_value)) { \ |
| cdest = tcg_temp_new_i64(); \ |
| tcg_gen_ld_i64(cdest, tcg_env, offsetof(CPUS390XState, ex_target));\ |
| tcg_gen_addi_i64(cdest, cdest, (int64_t)get_field(s, ri) * 2); \ |
| is_imm = false; \ |
| } else { \ |
| is_imm = true; \ |
| } \ |
| } else { \ |
| is_imm = false; \ |
| } \ |
| imm = is_imm ? get_field(s, ri) : 0; \ |
| } while (false) |
| |
| static DisasJumpType op_basi(DisasContext *s, DisasOps *o) |
| { |
| DisasCompare c; |
| bool is_imm; |
| int imm; |
| |
| pc_to_link_info(o->out, s, s->pc_tmp); |
| |
| disas_jdest(s, i2, is_imm, imm, o->in2); |
| disas_jcc(s, &c, 0xf); |
| return help_branch(s, &c, is_imm, imm, o->in2); |
| } |
| |
| static DisasJumpType op_bc(DisasContext *s, DisasOps *o) |
| { |
| int m1 = get_field(s, m1); |
| DisasCompare c; |
| bool is_imm; |
| int imm; |
| |
| /* BCR with R2 = 0 causes no branching */ |
| if (have_field(s, r2) && get_field(s, r2) == 0) { |
| if (m1 == 14) { |
| /* Perform serialization */ |
| /* FIXME: check for fast-BCR-serialization facility */ |
| tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC); |
| } |
| if (m1 == 15) { |
| /* Perform serialization */ |
| /* FIXME: perform checkpoint-synchronisation */ |
| tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC); |
| } |
| return DISAS_NEXT; |
| } |
| |
| disas_jdest(s, i2, is_imm, imm, o->in2); |
| disas_jcc(s, &c, m1); |
| return help_branch(s, &c, is_imm, imm, o->in2); |
| } |
| |
| static DisasJumpType op_bct32(DisasContext *s, DisasOps *o) |
| { |
| int r1 = get_field(s, r1); |
| DisasCompare c; |
| bool is_imm; |
| TCGv_i64 t; |
| int imm; |
| |
| c.cond = TCG_COND_NE; |
| c.is_64 = false; |
| |
| t = tcg_temp_new_i64(); |
| tcg_gen_subi_i64(t, regs[r1], 1); |
| store_reg32_i64(r1, t); |
| c.u.s32.a = tcg_temp_new_i32(); |
| c.u.s32.b = tcg_constant_i32(0); |
| tcg_gen_extrl_i64_i32(c.u.s32.a, t); |
| |
| disas_jdest(s, i2, is_imm, imm, o->in2); |
| return help_branch(s, &c, is_imm, imm, o->in2); |
| } |
| |
| static DisasJumpType op_bcth(DisasContext *s, DisasOps *o) |
| { |
| int r1 = get_field(s, r1); |
| int imm = get_field(s, i2); |
| DisasCompare c; |
| TCGv_i64 t; |
| |
| c.cond = TCG_COND_NE; |
| c.is_64 = false; |
| |
| t = tcg_temp_new_i64(); |
| tcg_gen_shri_i64(t, regs[r1], 32); |
| tcg_gen_subi_i64(t, t, 1); |
| store_reg32h_i64(r1, t); |
| c.u.s32.a = tcg_temp_new_i32(); |
| c.u.s32.b = tcg_constant_i32(0); |
| tcg_gen_extrl_i64_i32(c.u.s32.a, t); |
| |
| return help_branch(s, &c, 1, imm, o->in2); |
| } |
| |
| static DisasJumpType op_bct64(DisasContext *s, DisasOps *o) |
| { |
| int r1 = get_field(s, r1); |
| DisasCompare c; |
| bool is_imm; |
| int imm; |
| |
| c.cond = TCG_COND_NE; |
| c.is_64 = true; |
| |
| tcg_gen_subi_i64(regs[r1], regs[r1], 1); |
| c.u.s64.a = regs[r1]; |
| c.u.s64.b = tcg_constant_i64(0); |
| |
| disas_jdest(s, i2, is_imm, imm, o->in2); |
| return help_branch(s, &c, is_imm, imm, o->in2); |
| } |
| |
| static DisasJumpType op_bx32(DisasContext *s, DisasOps *o) |
| { |
| int r1 = get_field(s, r1); |
| int r3 = get_field(s, r3); |
| DisasCompare c; |
| bool is_imm; |
| TCGv_i64 t; |
| int imm; |
| |
| c.cond = (s->insn->data ? TCG_COND_LE : TCG_COND_GT); |
| c.is_64 = false; |
| |
| t = tcg_temp_new_i64(); |
| tcg_gen_add_i64(t, regs[r1], regs[r3]); |
| c.u.s32.a = tcg_temp_new_i32(); |
| c.u.s32.b = tcg_temp_new_i32(); |
| tcg_gen_extrl_i64_i32(c.u.s32.a, t); |
| tcg_gen_extrl_i64_i32(c.u.s32.b, regs[r3 | 1]); |
| store_reg32_i64(r1, t); |
| |
| disas_jdest(s, i2, is_imm, imm, o->in2); |
| return help_branch(s, &c, is_imm, imm, o->in2); |
| } |
| |
| static DisasJumpType op_bx64(DisasContext *s, DisasOps *o) |
| { |
| int r1 = get_field(s, r1); |
| int r3 = get_field(s, r3); |
| DisasCompare c; |
| bool is_imm; |
| int imm; |
| |
| c.cond = (s->insn->data ? TCG_COND_LE : TCG_COND_GT); |
| c.is_64 = true; |
| |
| if (r1 == (r3 | 1)) { |
| c.u.s64.b = load_reg(r3 | 1); |
| } else { |
| c.u.s64.b = regs[r3 | 1]; |
| } |
| |
| tcg_gen_add_i64(regs[r1], regs[r1], regs[r3]); |
| c.u.s64.a = regs[r1]; |
| |
| disas_jdest(s, i2, is_imm, imm, o->in2); |
| return help_branch(s, &c, is_imm, imm, o->in2); |
| } |
| |
| static DisasJumpType op_cj(DisasContext *s, DisasOps *o) |
| { |
| int imm, m3 = get_field(s, m3); |
| bool is_imm; |
| DisasCompare c; |
| |
| c.cond = ltgt_cond[m3]; |
| if (s->insn->data) { |
| c.cond = tcg_unsigned_cond(c.cond); |
| } |
| c.is_64 = true; |
| c.u.s64.a = o->in1; |
| c.u.s64.b = o->in2; |
| |
| o->out = NULL; |
| disas_jdest(s, i4, is_imm, imm, o->out); |
| if (!is_imm && !o->out) { |
| imm = 0; |
| o->out = get_address(s, 0, get_field(s, b4), |
| get_field(s, d4)); |
| } |
| |
| return help_branch(s, &c, is_imm, imm, o->out); |
| } |
| |
| static DisasJumpType op_ceb(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_ceb(cc_op, tcg_env, o->in1, o->in2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_cdb(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_cdb(cc_op, tcg_env, o->in1, o->in2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_cxb(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_cxb(cc_op, tcg_env, o->in1_128, o->in2_128); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static TCGv_i32 fpinst_extract_m34(DisasContext *s, bool m3_with_fpe, |
| bool m4_with_fpe) |
| { |
| const bool fpe = s390_has_feat(S390_FEAT_FLOATING_POINT_EXT); |
| uint8_t m3 = get_field(s, m3); |
| uint8_t m4 = get_field(s, m4); |
| |
| /* m3 field was introduced with FPE */ |
| if (!fpe && m3_with_fpe) { |
| m3 = 0; |
| } |
| /* m4 field was introduced with FPE */ |
| if (!fpe && m4_with_fpe) { |
| m4 = 0; |
| } |
| |
| /* Check for valid rounding modes. Mode 3 was introduced later. */ |
| if (m3 == 2 || m3 > 7 || (!fpe && m3 == 3)) { |
| gen_program_exception(s, PGM_SPECIFICATION); |
| return NULL; |
| } |
| |
| return tcg_constant_i32(deposit32(m3, 4, 4, m4)); |
| } |
| |
| static DisasJumpType op_cfeb(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 m34 = fpinst_extract_m34(s, false, true); |
| |
| if (!m34) { |
| return DISAS_NORETURN; |
| } |
| gen_helper_cfeb(o->out, tcg_env, o->in2, m34); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_cfdb(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 m34 = fpinst_extract_m34(s, false, true); |
| |
| if (!m34) { |
| return DISAS_NORETURN; |
| } |
| gen_helper_cfdb(o->out, tcg_env, o->in2, m34); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_cfxb(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 m34 = fpinst_extract_m34(s, false, true); |
| |
| if (!m34) { |
| return DISAS_NORETURN; |
| } |
| gen_helper_cfxb(o->out, tcg_env, o->in2_128, m34); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_cgeb(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 m34 = fpinst_extract_m34(s, false, true); |
| |
| if (!m34) { |
| return DISAS_NORETURN; |
| } |
| gen_helper_cgeb(o->out, tcg_env, o->in2, m34); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_cgdb(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 m34 = fpinst_extract_m34(s, false, true); |
| |
| if (!m34) { |
| return DISAS_NORETURN; |
| } |
| gen_helper_cgdb(o->out, tcg_env, o->in2, m34); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_cgxb(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 m34 = fpinst_extract_m34(s, false, true); |
| |
| if (!m34) { |
| return DISAS_NORETURN; |
| } |
| gen_helper_cgxb(o->out, tcg_env, o->in2_128, m34); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_clfeb(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 m34 = fpinst_extract_m34(s, false, false); |
| |
| if (!m34) { |
| return DISAS_NORETURN; |
| } |
| gen_helper_clfeb(o->out, tcg_env, o->in2, m34); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_clfdb(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 m34 = fpinst_extract_m34(s, false, false); |
| |
| if (!m34) { |
| return DISAS_NORETURN; |
| } |
| gen_helper_clfdb(o->out, tcg_env, o->in2, m34); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_clfxb(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 m34 = fpinst_extract_m34(s, false, false); |
| |
| if (!m34) { |
| return DISAS_NORETURN; |
| } |
| gen_helper_clfxb(o->out, tcg_env, o->in2_128, m34); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_clgeb(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 m34 = fpinst_extract_m34(s, false, false); |
| |
| if (!m34) { |
| return DISAS_NORETURN; |
| } |
| gen_helper_clgeb(o->out, tcg_env, o->in2, m34); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_clgdb(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 m34 = fpinst_extract_m34(s, false, false); |
| |
| if (!m34) { |
| return DISAS_NORETURN; |
| } |
| gen_helper_clgdb(o->out, tcg_env, o->in2, m34); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_clgxb(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 m34 = fpinst_extract_m34(s, false, false); |
| |
| if (!m34) { |
| return DISAS_NORETURN; |
| } |
| gen_helper_clgxb(o->out, tcg_env, o->in2_128, m34); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_cegb(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 m34 = fpinst_extract_m34(s, true, true); |
| |
| if (!m34) { |
| return DISAS_NORETURN; |
| } |
| gen_helper_cegb(o->out, tcg_env, o->in2, m34); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_cdgb(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 m34 = fpinst_extract_m34(s, true, true); |
| |
| if (!m34) { |
| return DISAS_NORETURN; |
| } |
| gen_helper_cdgb(o->out, tcg_env, o->in2, m34); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_cxgb(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 m34 = fpinst_extract_m34(s, true, true); |
| |
| if (!m34) { |
| return DISAS_NORETURN; |
| } |
| gen_helper_cxgb(o->out_128, tcg_env, o->in2, m34); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_celgb(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 m34 = fpinst_extract_m34(s, false, false); |
| |
| if (!m34) { |
| return DISAS_NORETURN; |
| } |
| gen_helper_celgb(o->out, tcg_env, o->in2, m34); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_cdlgb(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 m34 = fpinst_extract_m34(s, false, false); |
| |
| if (!m34) { |
| return DISAS_NORETURN; |
| } |
| gen_helper_cdlgb(o->out, tcg_env, o->in2, m34); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_cxlgb(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 m34 = fpinst_extract_m34(s, false, false); |
| |
| if (!m34) { |
| return DISAS_NORETURN; |
| } |
| gen_helper_cxlgb(o->out_128, tcg_env, o->in2, m34); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_cksm(DisasContext *s, DisasOps *o) |
| { |
| int r2 = get_field(s, r2); |
| TCGv_i128 pair = tcg_temp_new_i128(); |
| TCGv_i64 len = tcg_temp_new_i64(); |
| |
| gen_helper_cksm(pair, tcg_env, o->in1, o->in2, regs[r2 + 1]); |
| set_cc_static(s); |
| tcg_gen_extr_i128_i64(o->out, len, pair); |
| |
| tcg_gen_add_i64(regs[r2], regs[r2], len); |
| tcg_gen_sub_i64(regs[r2 + 1], regs[r2 + 1], len); |
| |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_clc(DisasContext *s, DisasOps *o) |
| { |
| int l = get_field(s, l1); |
| TCGv_i64 src; |
| TCGv_i32 vl; |
| MemOp mop; |
| |
| switch (l + 1) { |
| case 1: |
| case 2: |
| case 4: |
| case 8: |
| mop = ctz32(l + 1) | MO_TE; |
| /* Do not update cc_src yet: loading cc_dst may cause an exception. */ |
| src = tcg_temp_new_i64(); |
| tcg_gen_qemu_ld_tl(src, o->addr1, get_mem_index(s), mop); |
| tcg_gen_qemu_ld_tl(cc_dst, o->in2, get_mem_index(s), mop); |
| gen_op_update2_cc_i64(s, CC_OP_LTUGTU_64, src, cc_dst); |
| return DISAS_NEXT; |
| default: |
| vl = tcg_constant_i32(l); |
| gen_helper_clc(cc_op, tcg_env, vl, o->addr1, o->in2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| } |
| |
| static DisasJumpType op_clcl(DisasContext *s, DisasOps *o) |
| { |
| int r1 = get_field(s, r1); |
| int r2 = get_field(s, r2); |
| TCGv_i32 t1, t2; |
| |
| /* r1 and r2 must be even. */ |
| if (r1 & 1 || r2 & 1) { |
| gen_program_exception(s, PGM_SPECIFICATION); |
| return DISAS_NORETURN; |
| } |
| |
| t1 = tcg_constant_i32(r1); |
| t2 = tcg_constant_i32(r2); |
| gen_helper_clcl(cc_op, tcg_env, t1, t2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_clcle(DisasContext *s, DisasOps *o) |
| { |
| int r1 = get_field(s, r1); |
| int r3 = get_field(s, r3); |
| TCGv_i32 t1, t3; |
| |
| /* r1 and r3 must be even. */ |
| if (r1 & 1 || r3 & 1) { |
| gen_program_exception(s, PGM_SPECIFICATION); |
| return DISAS_NORETURN; |
| } |
| |
| t1 = tcg_constant_i32(r1); |
| t3 = tcg_constant_i32(r3); |
| gen_helper_clcle(cc_op, tcg_env, t1, o->in2, t3); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_clclu(DisasContext *s, DisasOps *o) |
| { |
| int r1 = get_field(s, r1); |
| int r3 = get_field(s, r3); |
| TCGv_i32 t1, t3; |
| |
| /* r1 and r3 must be even. */ |
| if (r1 & 1 || r3 & 1) { |
| gen_program_exception(s, PGM_SPECIFICATION); |
| return DISAS_NORETURN; |
| } |
| |
| t1 = tcg_constant_i32(r1); |
| t3 = tcg_constant_i32(r3); |
| gen_helper_clclu(cc_op, tcg_env, t1, o->in2, t3); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_clm(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 m3 = tcg_constant_i32(get_field(s, m3)); |
| TCGv_i32 t1 = tcg_temp_new_i32(); |
| |
| tcg_gen_extrl_i64_i32(t1, o->in1); |
| gen_helper_clm(cc_op, tcg_env, t1, m3, o->in2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_clst(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i128 pair = tcg_temp_new_i128(); |
| |
| gen_helper_clst(pair, tcg_env, regs[0], o->in1, o->in2); |
| tcg_gen_extr_i128_i64(o->in2, o->in1, pair); |
| |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_cps(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i64 t = tcg_temp_new_i64(); |
| tcg_gen_andi_i64(t, o->in1, 0x8000000000000000ull); |
| tcg_gen_andi_i64(o->out, o->in2, 0x7fffffffffffffffull); |
| tcg_gen_or_i64(o->out, o->out, t); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_cs(DisasContext *s, DisasOps *o) |
| { |
| int d2 = get_field(s, d2); |
| int b2 = get_field(s, b2); |
| TCGv_i64 addr, cc; |
| |
| /* Note that in1 = R3 (new value) and |
| in2 = (zero-extended) R1 (expected value). */ |
| |
| addr = get_address(s, 0, b2, d2); |
| tcg_gen_atomic_cmpxchg_i64(o->out, addr, o->in2, o->in1, |
| get_mem_index(s), s->insn->data | MO_ALIGN); |
| |
| /* Are the memory and expected values (un)equal? Note that this setcond |
| produces the output CC value, thus the NE sense of the test. */ |
| cc = tcg_temp_new_i64(); |
| tcg_gen_setcond_i64(TCG_COND_NE, cc, o->in2, o->out); |
| tcg_gen_extrl_i64_i32(cc_op, cc); |
| set_cc_static(s); |
| |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_cdsg(DisasContext *s, DisasOps *o) |
| { |
| int r1 = get_field(s, r1); |
| |
| o->out_128 = tcg_temp_new_i128(); |
| tcg_gen_concat_i64_i128(o->out_128, regs[r1 + 1], regs[r1]); |
| |
| /* Note out (R1:R1+1) = expected value and in2 (R3:R3+1) = new value. */ |
| tcg_gen_atomic_cmpxchg_i128(o->out_128, o->addr1, o->out_128, o->in2_128, |
| get_mem_index(s), MO_BE | MO_128 | MO_ALIGN); |
| |
| /* |
| * Extract result into cc_dst:cc_src, compare vs the expected value |
| * in the as yet unmodified input registers, then update CC_OP. |
| */ |
| tcg_gen_extr_i128_i64(cc_src, cc_dst, o->out_128); |
| tcg_gen_xor_i64(cc_dst, cc_dst, regs[r1]); |
| tcg_gen_xor_i64(cc_src, cc_src, regs[r1 + 1]); |
| tcg_gen_or_i64(cc_dst, cc_dst, cc_src); |
| set_cc_nz_u64(s, cc_dst); |
| |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_csst(DisasContext *s, DisasOps *o) |
| { |
| int r3 = get_field(s, r3); |
| TCGv_i32 t_r3 = tcg_constant_i32(r3); |
| |
| if (tb_cflags(s->base.tb) & CF_PARALLEL) { |
| gen_helper_csst_parallel(cc_op, tcg_env, t_r3, o->addr1, o->in2); |
| } else { |
| gen_helper_csst(cc_op, tcg_env, t_r3, o->addr1, o->in2); |
| } |
| |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| #ifndef CONFIG_USER_ONLY |
| static DisasJumpType op_csp(DisasContext *s, DisasOps *o) |
| { |
| MemOp mop = s->insn->data; |
| TCGv_i64 addr, old, cc; |
| TCGLabel *lab = gen_new_label(); |
| |
| /* Note that in1 = R1 (zero-extended expected value), |
| out = R1 (original reg), out2 = R1+1 (new value). */ |
| |
| addr = tcg_temp_new_i64(); |
| old = tcg_temp_new_i64(); |
| tcg_gen_andi_i64(addr, o->in2, -1ULL << (mop & MO_SIZE)); |
| tcg_gen_atomic_cmpxchg_i64(old, addr, o->in1, o->out2, |
| get_mem_index(s), mop | MO_ALIGN); |
| |
| /* Are the memory and expected values (un)equal? */ |
| cc = tcg_temp_new_i64(); |
| tcg_gen_setcond_i64(TCG_COND_NE, cc, o->in1, old); |
| tcg_gen_extrl_i64_i32(cc_op, cc); |
| |
| /* Write back the output now, so that it happens before the |
| following branch, so that we don't need local temps. */ |
| if ((mop & MO_SIZE) == MO_32) { |
| tcg_gen_deposit_i64(o->out, o->out, old, 0, 32); |
| } else { |
| tcg_gen_mov_i64(o->out, old); |
| } |
| |
| /* If the comparison was equal, and the LSB of R2 was set, |
| then we need to flush the TLB (for all cpus). */ |
| tcg_gen_xori_i64(cc, cc, 1); |
| tcg_gen_and_i64(cc, cc, o->in2); |
| tcg_gen_brcondi_i64(TCG_COND_EQ, cc, 0, lab); |
| |
| gen_helper_purge(tcg_env); |
| gen_set_label(lab); |
| |
| return DISAS_NEXT; |
| } |
| #endif |
| |
| static DisasJumpType op_cvb(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i64 t = tcg_temp_new_i64(); |
| tcg_gen_qemu_ld_i64(t, o->addr1, get_mem_index(s), MO_TEUQ); |
| gen_helper_cvb(tcg_env, tcg_constant_i32(get_field(s, r1)), t); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_cvbg(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i128 t = tcg_temp_new_i128(); |
| tcg_gen_qemu_ld_i128(t, o->addr1, get_mem_index(s), MO_TE | MO_128); |
| gen_helper_cvbg(o->out, tcg_env, t); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_cvd(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i64 t1 = tcg_temp_new_i64(); |
| TCGv_i32 t2 = tcg_temp_new_i32(); |
| tcg_gen_extrl_i64_i32(t2, o->in1); |
| gen_helper_cvd(t1, t2); |
| tcg_gen_qemu_st_i64(t1, o->in2, get_mem_index(s), MO_TEUQ); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_cvdg(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i128 t = tcg_temp_new_i128(); |
| gen_helper_cvdg(t, o->in1); |
| tcg_gen_qemu_st_i128(t, o->in2, get_mem_index(s), MO_TE | MO_128); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_ct(DisasContext *s, DisasOps *o) |
| { |
| int m3 = get_field(s, m3); |
| TCGLabel *lab = gen_new_label(); |
| TCGCond c; |
| |
| c = tcg_invert_cond(ltgt_cond[m3]); |
| if (s->insn->data) { |
| c = tcg_unsigned_cond(c); |
| } |
| tcg_gen_brcond_i64(c, o->in1, o->in2, lab); |
| |
| /* Trap. */ |
| gen_trap(s); |
| |
| gen_set_label(lab); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_cuXX(DisasContext *s, DisasOps *o) |
| { |
| int m3 = get_field(s, m3); |
| int r1 = get_field(s, r1); |
| int r2 = get_field(s, r2); |
| TCGv_i32 tr1, tr2, chk; |
| |
| /* R1 and R2 must both be even. */ |
| if ((r1 | r2) & 1) { |
| gen_program_exception(s, PGM_SPECIFICATION); |
| return DISAS_NORETURN; |
| } |
| if (!s390_has_feat(S390_FEAT_ETF3_ENH)) { |
| m3 = 0; |
| } |
| |
| tr1 = tcg_constant_i32(r1); |
| tr2 = tcg_constant_i32(r2); |
| chk = tcg_constant_i32(m3); |
| |
| switch (s->insn->data) { |
| case 12: |
| gen_helper_cu12(cc_op, tcg_env, tr1, tr2, chk); |
| break; |
| case 14: |
| gen_helper_cu14(cc_op, tcg_env, tr1, tr2, chk); |
| break; |
| case 21: |
| gen_helper_cu21(cc_op, tcg_env, tr1, tr2, chk); |
| break; |
| case 24: |
| gen_helper_cu24(cc_op, tcg_env, tr1, tr2, chk); |
| break; |
| case 41: |
| gen_helper_cu41(cc_op, tcg_env, tr1, tr2, chk); |
| break; |
| case 42: |
| gen_helper_cu42(cc_op, tcg_env, tr1, tr2, chk); |
| break; |
| default: |
| g_assert_not_reached(); |
| } |
| |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| #ifndef CONFIG_USER_ONLY |
| static DisasJumpType op_diag(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 r1 = tcg_constant_i32(get_field(s, r1)); |
| TCGv_i32 r3 = tcg_constant_i32(get_field(s, r3)); |
| TCGv_i32 func_code = tcg_constant_i32(get_field(s, i2)); |
| |
| gen_helper_diag(tcg_env, r1, r3, func_code); |
| return DISAS_NEXT; |
| } |
| #endif |
| |
| static DisasJumpType op_divs32(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_divs32(o->out, tcg_env, o->in1, o->in2); |
| tcg_gen_extr32_i64(o->out2, o->out, o->out); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_divu32(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_divu32(o->out, tcg_env, o->in1, o->in2); |
| tcg_gen_extr32_i64(o->out2, o->out, o->out); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_divs64(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i128 t = tcg_temp_new_i128(); |
| |
| gen_helper_divs64(t, tcg_env, o->in1, o->in2); |
| tcg_gen_extr_i128_i64(o->out2, o->out, t); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_divu64(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i128 t = tcg_temp_new_i128(); |
| |
| gen_helper_divu64(t, tcg_env, o->out, o->out2, o->in2); |
| tcg_gen_extr_i128_i64(o->out2, o->out, t); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_deb(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_deb(o->out, tcg_env, o->in1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_ddb(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_ddb(o->out, tcg_env, o->in1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_dxb(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_dxb(o->out_128, tcg_env, o->in1_128, o->in2_128); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_ear(DisasContext *s, DisasOps *o) |
| { |
| int r2 = get_field(s, r2); |
| tcg_gen_ld32u_i64(o->out, tcg_env, offsetof(CPUS390XState, aregs[r2])); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_ecag(DisasContext *s, DisasOps *o) |
| { |
| /* No cache information provided. */ |
| tcg_gen_movi_i64(o->out, -1); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_efpc(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_ld32u_i64(o->out, tcg_env, offsetof(CPUS390XState, fpc)); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_epsw(DisasContext *s, DisasOps *o) |
| { |
| int r1 = get_field(s, r1); |
| int r2 = get_field(s, r2); |
| TCGv_i64 t = tcg_temp_new_i64(); |
| TCGv_i64 t_cc = tcg_temp_new_i64(); |
| |
| /* Note the "subsequently" in the PoO, which implies a defined result |
| if r1 == r2. Thus we cannot defer these writes to an output hook. */ |
| gen_op_calc_cc(s); |
| tcg_gen_extu_i32_i64(t_cc, cc_op); |
| tcg_gen_shri_i64(t, psw_mask, 32); |
| tcg_gen_deposit_i64(t, t, t_cc, 12, 2); |
| store_reg32_i64(r1, t); |
| if (r2 != 0) { |
| store_reg32_i64(r2, psw_mask); |
| } |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_ex(DisasContext *s, DisasOps *o) |
| { |
| int r1 = get_field(s, r1); |
| TCGv_i32 ilen; |
| TCGv_i64 v1; |
| |
| /* Nested EXECUTE is not allowed. */ |
| if (unlikely(s->ex_value)) { |
| gen_program_exception(s, PGM_EXECUTE); |
| return DISAS_NORETURN; |
| } |
| |
| update_psw_addr(s); |
| update_cc_op(s); |
| |
| if (r1 == 0) { |
| v1 = tcg_constant_i64(0); |
| } else { |
| v1 = regs[r1]; |
| } |
| |
| ilen = tcg_constant_i32(s->ilen); |
| gen_helper_ex(tcg_env, ilen, v1, o->in2); |
| |
| return DISAS_PC_CC_UPDATED; |
| } |
| |
| static DisasJumpType op_fieb(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 m34 = fpinst_extract_m34(s, false, true); |
| |
| if (!m34) { |
| return DISAS_NORETURN; |
| } |
| gen_helper_fieb(o->out, tcg_env, o->in2, m34); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_fidb(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 m34 = fpinst_extract_m34(s, false, true); |
| |
| if (!m34) { |
| return DISAS_NORETURN; |
| } |
| gen_helper_fidb(o->out, tcg_env, o->in2, m34); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_fixb(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 m34 = fpinst_extract_m34(s, false, true); |
| |
| if (!m34) { |
| return DISAS_NORETURN; |
| } |
| gen_helper_fixb(o->out_128, tcg_env, o->in2_128, m34); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_flogr(DisasContext *s, DisasOps *o) |
| { |
| /* We'll use the original input for cc computation, since we get to |
| compare that against 0, which ought to be better than comparing |
| the real output against 64. It also lets cc_dst be a convenient |
| temporary during our computation. */ |
| gen_op_update1_cc_i64(s, CC_OP_FLOGR, o->in2); |
| |
| /* R1 = IN ? CLZ(IN) : 64. */ |
| tcg_gen_clzi_i64(o->out, o->in2, 64); |
| |
| /* R1+1 = IN & ~(found bit). Note that we may attempt to shift this |
| value by 64, which is undefined. But since the shift is 64 iff the |
| input is zero, we still get the correct result after and'ing. */ |
| tcg_gen_movi_i64(o->out2, 0x8000000000000000ull); |
| tcg_gen_shr_i64(o->out2, o->out2, o->out); |
| tcg_gen_andc_i64(o->out2, cc_dst, o->out2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_icm(DisasContext *s, DisasOps *o) |
| { |
| int m3 = get_field(s, m3); |
| int pos, len, base = s->insn->data; |
| TCGv_i64 tmp = tcg_temp_new_i64(); |
| uint64_t ccm; |
| |
| switch (m3) { |
| case 0xf: |
| /* Effectively a 32-bit load. */ |
| tcg_gen_qemu_ld_i64(tmp, o->in2, get_mem_index(s), MO_TEUL); |
| len = 32; |
| goto one_insert; |
| |
| case 0xc: |
| case 0x6: |
| case 0x3: |
| /* Effectively a 16-bit load. */ |
| tcg_gen_qemu_ld_i64(tmp, o->in2, get_mem_index(s), MO_TEUW); |
| len = 16; |
| goto one_insert; |
| |
| case 0x8: |
| case 0x4: |
| case 0x2: |
| case 0x1: |
| /* Effectively an 8-bit load. */ |
| tcg_gen_qemu_ld_i64(tmp, o->in2, get_mem_index(s), MO_UB); |
| len = 8; |
| goto one_insert; |
| |
| one_insert: |
| pos = base + ctz32(m3) * 8; |
| tcg_gen_deposit_i64(o->out, o->out, tmp, pos, len); |
| ccm = ((1ull << len) - 1) << pos; |
| break; |
| |
| case 0: |
| /* Recognize access exceptions for the first byte. */ |
| tcg_gen_qemu_ld_i64(tmp, o->in2, get_mem_index(s), MO_UB); |
| gen_op_movi_cc(s, 0); |
| return DISAS_NEXT; |
| |
| default: |
| /* This is going to be a sequence of loads and inserts. */ |
| pos = base + 32 - 8; |
| ccm = 0; |
| while (m3) { |
| if (m3 & 0x8) { |
| tcg_gen_qemu_ld_i64(tmp, o->in2, get_mem_index(s), MO_UB); |
| tcg_gen_addi_i64(o->in2, o->in2, 1); |
| tcg_gen_deposit_i64(o->out, o->out, tmp, pos, 8); |
| ccm |= 0xffull << pos; |
| } |
| m3 = (m3 << 1) & 0xf; |
| pos -= 8; |
| } |
| break; |
| } |
| |
| tcg_gen_movi_i64(tmp, ccm); |
| gen_op_update2_cc_i64(s, CC_OP_ICM, tmp, o->out); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_insi(DisasContext *s, DisasOps *o) |
| { |
| int shift = s->insn->data & 0xff; |
| int size = s->insn->data >> 8; |
| tcg_gen_deposit_i64(o->out, o->in1, o->in2, shift, size); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_ipm(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i64 t1, t2; |
| |
| gen_op_calc_cc(s); |
| t1 = tcg_temp_new_i64(); |
| tcg_gen_extract_i64(t1, psw_mask, 40, 4); |
| t2 = tcg_temp_new_i64(); |
| tcg_gen_extu_i32_i64(t2, cc_op); |
| tcg_gen_deposit_i64(t1, t1, t2, 4, 60); |
| tcg_gen_deposit_i64(o->out, o->out, t1, 24, 8); |
| return DISAS_NEXT; |
| } |
| |
| #ifndef CONFIG_USER_ONLY |
| static DisasJumpType op_idte(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 m4; |
| |
| if (s390_has_feat(S390_FEAT_LOCAL_TLB_CLEARING)) { |
| m4 = tcg_constant_i32(get_field(s, m4)); |
| } else { |
| m4 = tcg_constant_i32(0); |
| } |
| gen_helper_idte(tcg_env, o->in1, o->in2, m4); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_ipte(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 m4; |
| |
| if (s390_has_feat(S390_FEAT_LOCAL_TLB_CLEARING)) { |
| m4 = tcg_constant_i32(get_field(s, m4)); |
| } else { |
| m4 = tcg_constant_i32(0); |
| } |
| gen_helper_ipte(tcg_env, o->in1, o->in2, m4); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_iske(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_iske(o->out, tcg_env, o->in2); |
| return DISAS_NEXT; |
| } |
| #endif |
| |
| static DisasJumpType op_msa(DisasContext *s, DisasOps *o) |
| { |
| int r1 = have_field(s, r1) ? get_field(s, r1) : 0; |
| int r2 = have_field(s, r2) ? get_field(s, r2) : 0; |
| int r3 = have_field(s, r3) ? get_field(s, r3) : 0; |
| TCGv_i32 t_r1, t_r2, t_r3, type; |
| |
| switch (s->insn->data) { |
| case S390_FEAT_TYPE_KMA: |
| if (r3 == r1 || r3 == r2) { |
| gen_program_exception(s, PGM_SPECIFICATION); |
| return DISAS_NORETURN; |
| } |
| /* FALL THROUGH */ |
| case S390_FEAT_TYPE_KMCTR: |
| if (r3 & 1 || !r3) { |
| gen_program_exception(s, PGM_SPECIFICATION); |
| return DISAS_NORETURN; |
| } |
| /* FALL THROUGH */ |
| case S390_FEAT_TYPE_PPNO: |
| case S390_FEAT_TYPE_KMF: |
| case S390_FEAT_TYPE_KMC: |
| case S390_FEAT_TYPE_KMO: |
| case S390_FEAT_TYPE_KM: |
| if (r1 & 1 || !r1) { |
| gen_program_exception(s, PGM_SPECIFICATION); |
| return DISAS_NORETURN; |
| } |
| /* FALL THROUGH */ |
| case S390_FEAT_TYPE_KMAC: |
| case S390_FEAT_TYPE_KIMD: |
| case S390_FEAT_TYPE_KLMD: |
| if (r2 & 1 || !r2) { |
| gen_program_exception(s, PGM_SPECIFICATION); |
| return DISAS_NORETURN; |
| } |
| /* FALL THROUGH */ |
| case S390_FEAT_TYPE_PCKMO: |
| case S390_FEAT_TYPE_PCC: |
| break; |
| default: |
| g_assert_not_reached(); |
| }; |
| |
| t_r1 = tcg_constant_i32(r1); |
| t_r2 = tcg_constant_i32(r2); |
| t_r3 = tcg_constant_i32(r3); |
| type = tcg_constant_i32(s->insn->data); |
| gen_helper_msa(cc_op, tcg_env, t_r1, t_r2, t_r3, type); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_keb(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_keb(cc_op, tcg_env, o->in1, o->in2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_kdb(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_kdb(cc_op, tcg_env, o->in1, o->in2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_kxb(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_kxb(cc_op, tcg_env, o->in1_128, o->in2_128); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType help_laa(DisasContext *s, DisasOps *o, bool addu64) |
| { |
| /* The real output is indeed the original value in memory; |
| recompute the addition for the computation of CC. */ |
| tcg_gen_atomic_fetch_add_i64(o->in2, o->in2, o->in1, get_mem_index(s), |
| s->insn->data | MO_ALIGN); |
| /* However, we need to recompute the addition for setting CC. */ |
| if (addu64) { |
| tcg_gen_movi_i64(cc_src, 0); |
| tcg_gen_add2_i64(o->out, cc_src, o->in1, cc_src, o->in2, cc_src); |
| } else { |
| tcg_gen_add_i64(o->out, o->in1, o->in2); |
| } |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_laa(DisasContext *s, DisasOps *o) |
| { |
| return help_laa(s, o, false); |
| } |
| |
| static DisasJumpType op_laa_addu64(DisasContext *s, DisasOps *o) |
| { |
| return help_laa(s, o, true); |
| } |
| |
| static DisasJumpType op_lan(DisasContext *s, DisasOps *o) |
| { |
| /* The real output is indeed the original value in memory; |
| recompute the addition for the computation of CC. */ |
| tcg_gen_atomic_fetch_and_i64(o->in2, o->in2, o->in1, get_mem_index(s), |
| s->insn->data | MO_ALIGN); |
| /* However, we need to recompute the operation for setting CC. */ |
| tcg_gen_and_i64(o->out, o->in1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_lao(DisasContext *s, DisasOps *o) |
| { |
| /* The real output is indeed the original value in memory; |
| recompute the addition for the computation of CC. */ |
| tcg_gen_atomic_fetch_or_i64(o->in2, o->in2, o->in1, get_mem_index(s), |
| s->insn->data | MO_ALIGN); |
| /* However, we need to recompute the operation for setting CC. */ |
| tcg_gen_or_i64(o->out, o->in1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_lax(DisasContext *s, DisasOps *o) |
| { |
| /* The real output is indeed the original value in memory; |
| recompute the addition for the computation of CC. */ |
| tcg_gen_atomic_fetch_xor_i64(o->in2, o->in2, o->in1, get_mem_index(s), |
| s->insn->data | MO_ALIGN); |
| /* However, we need to recompute the operation for setting CC. */ |
| tcg_gen_xor_i64(o->out, o->in1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_ldeb(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_ldeb(o->out, tcg_env, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_ledb(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 m34 = fpinst_extract_m34(s, true, true); |
| |
| if (!m34) { |
| return DISAS_NORETURN; |
| } |
| gen_helper_ledb(o->out, tcg_env, o->in2, m34); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_ldxb(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 m34 = fpinst_extract_m34(s, true, true); |
| |
| if (!m34) { |
| return DISAS_NORETURN; |
| } |
| gen_helper_ldxb(o->out, tcg_env, o->in2_128, m34); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_lexb(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 m34 = fpinst_extract_m34(s, true, true); |
| |
| if (!m34) { |
| return DISAS_NORETURN; |
| } |
| gen_helper_lexb(o->out, tcg_env, o->in2_128, m34); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_lxdb(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_lxdb(o->out_128, tcg_env, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_lxeb(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_lxeb(o->out_128, tcg_env, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_lde(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_shli_i64(o->out, o->in2, 32); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_llgt(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_andi_i64(o->out, o->in2, 0x7fffffff); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_ld8s(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_qemu_ld_i64(o->out, o->in2, get_mem_index(s), MO_SB); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_ld8u(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_qemu_ld_i64(o->out, o->in2, get_mem_index(s), MO_UB); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_ld16s(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_qemu_ld_i64(o->out, o->in2, get_mem_index(s), MO_TESW); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_ld16u(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_qemu_ld_i64(o->out, o->in2, get_mem_index(s), MO_TEUW); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_ld32s(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_qemu_ld_tl(o->out, o->in2, get_mem_index(s), |
| MO_TESL | s->insn->data); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_ld32u(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_qemu_ld_tl(o->out, o->in2, get_mem_index(s), |
| MO_TEUL | s->insn->data); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_ld64(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_qemu_ld_i64(o->out, o->in2, get_mem_index(s), |
| MO_TEUQ | s->insn->data); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_lat(DisasContext *s, DisasOps *o) |
| { |
| TCGLabel *lab = gen_new_label(); |
| store_reg32_i64(get_field(s, r1), o->in2); |
| /* The value is stored even in case of trap. */ |
| tcg_gen_brcondi_i64(TCG_COND_NE, o->in2, 0, lab); |
| gen_trap(s); |
| gen_set_label(lab); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_lgat(DisasContext *s, DisasOps *o) |
| { |
| TCGLabel *lab = gen_new_label(); |
| tcg_gen_qemu_ld_i64(o->out, o->in2, get_mem_index(s), MO_TEUQ); |
| /* The value is stored even in case of trap. */ |
| tcg_gen_brcondi_i64(TCG_COND_NE, o->out, 0, lab); |
| gen_trap(s); |
| gen_set_label(lab); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_lfhat(DisasContext *s, DisasOps *o) |
| { |
| TCGLabel *lab = gen_new_label(); |
| store_reg32h_i64(get_field(s, r1), o->in2); |
| /* The value is stored even in case of trap. */ |
| tcg_gen_brcondi_i64(TCG_COND_NE, o->in2, 0, lab); |
| gen_trap(s); |
| gen_set_label(lab); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_llgfat(DisasContext *s, DisasOps *o) |
| { |
| TCGLabel *lab = gen_new_label(); |
| |
| tcg_gen_qemu_ld_i64(o->out, o->in2, get_mem_index(s), MO_TEUL); |
| /* The value is stored even in case of trap. */ |
| tcg_gen_brcondi_i64(TCG_COND_NE, o->out, 0, lab); |
| gen_trap(s); |
| gen_set_label(lab); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_llgtat(DisasContext *s, DisasOps *o) |
| { |
| TCGLabel *lab = gen_new_label(); |
| tcg_gen_andi_i64(o->out, o->in2, 0x7fffffff); |
| /* The value is stored even in case of trap. */ |
| tcg_gen_brcondi_i64(TCG_COND_NE, o->out, 0, lab); |
| gen_trap(s); |
| gen_set_label(lab); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_loc(DisasContext *s, DisasOps *o) |
| { |
| DisasCompare c; |
| |
| if (have_field(s, m3)) { |
| /* LOAD * ON CONDITION */ |
| disas_jcc(s, &c, get_field(s, m3)); |
| } else { |
| /* SELECT */ |
| disas_jcc(s, &c, get_field(s, m4)); |
| } |
| |
| if (c.is_64) { |
| tcg_gen_movcond_i64(c.cond, o->out, c.u.s64.a, c.u.s64.b, |
| o->in2, o->in1); |
| } else { |
| TCGv_i32 t32 = tcg_temp_new_i32(); |
| TCGv_i64 t, z; |
| |
| tcg_gen_setcond_i32(c.cond, t32, c.u.s32.a, c.u.s32.b); |
| |
| t = tcg_temp_new_i64(); |
| tcg_gen_extu_i32_i64(t, t32); |
| |
| z = tcg_constant_i64(0); |
| tcg_gen_movcond_i64(TCG_COND_NE, o->out, t, z, o->in2, o->in1); |
| } |
| |
| return DISAS_NEXT; |
| } |
| |
| #ifndef CONFIG_USER_ONLY |
| static DisasJumpType op_lctl(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 r1 = tcg_constant_i32(get_field(s, r1)); |
| TCGv_i32 r3 = tcg_constant_i32(get_field(s, r3)); |
| |
| gen_helper_lctl(tcg_env, r1, o->in2, r3); |
| /* Exit to main loop to reevaluate s390_cpu_exec_interrupt. */ |
| s->exit_to_mainloop = true; |
| return DISAS_TOO_MANY; |
| } |
| |
| static DisasJumpType op_lctlg(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 r1 = tcg_constant_i32(get_field(s, r1)); |
| TCGv_i32 r3 = tcg_constant_i32(get_field(s, r3)); |
| |
| gen_helper_lctlg(tcg_env, r1, o->in2, r3); |
| /* Exit to main loop to reevaluate s390_cpu_exec_interrupt. */ |
| s->exit_to_mainloop = true; |
| return DISAS_TOO_MANY; |
| } |
| |
| static DisasJumpType op_lra(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_lra(o->out, tcg_env, o->out, o->in2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_lpp(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_st_i64(o->in2, tcg_env, offsetof(CPUS390XState, pp)); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_lpsw(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i64 mask, addr; |
| |
| per_breaking_event(s); |
| |
| /* |
| * Convert the short PSW into the normal PSW, similar to what |
| * s390_cpu_load_normal() does. |
| */ |
| mask = tcg_temp_new_i64(); |
| addr = tcg_temp_new_i64(); |
| tcg_gen_qemu_ld_i64(mask, o->in2, get_mem_index(s), MO_TEUQ | MO_ALIGN_8); |
| tcg_gen_andi_i64(addr, mask, PSW_MASK_SHORT_ADDR); |
| tcg_gen_andi_i64(mask, mask, PSW_MASK_SHORT_CTRL); |
| tcg_gen_xori_i64(mask, mask, PSW_MASK_SHORTPSW); |
| gen_helper_load_psw(tcg_env, mask, addr); |
| return DISAS_NORETURN; |
| } |
| |
| static DisasJumpType op_lpswe(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i64 t1, t2; |
| |
| per_breaking_event(s); |
| |
| t1 = tcg_temp_new_i64(); |
| t2 = tcg_temp_new_i64(); |
| tcg_gen_qemu_ld_i64(t1, o->in2, get_mem_index(s), |
| MO_TEUQ | MO_ALIGN_8); |
| tcg_gen_addi_i64(o->in2, o->in2, 8); |
| tcg_gen_qemu_ld_i64(t2, o->in2, get_mem_index(s), MO_TEUQ); |
| gen_helper_load_psw(tcg_env, t1, t2); |
| return DISAS_NORETURN; |
| } |
| #endif |
| |
| static DisasJumpType op_lam(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 r1 = tcg_constant_i32(get_field(s, r1)); |
| TCGv_i32 r3 = tcg_constant_i32(get_field(s, r3)); |
| |
| gen_helper_lam(tcg_env, r1, o->in2, r3); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_lm32(DisasContext *s, DisasOps *o) |
| { |
| int r1 = get_field(s, r1); |
| int r3 = get_field(s, r3); |
| TCGv_i64 t1, t2; |
| |
| /* Only one register to read. */ |
| t1 = tcg_temp_new_i64(); |
| if (unlikely(r1 == r3)) { |
| tcg_gen_qemu_ld_i64(t1, o->in2, get_mem_index(s), MO_TEUL); |
| store_reg32_i64(r1, t1); |
| return DISAS_NEXT; |
| } |
| |
| /* First load the values of the first and last registers to trigger |
| possible page faults. */ |
| t2 = tcg_temp_new_i64(); |
| tcg_gen_qemu_ld_i64(t1, o->in2, get_mem_index(s), MO_TEUL); |
| tcg_gen_addi_i64(t2, o->in2, 4 * ((r3 - r1) & 15)); |
| tcg_gen_qemu_ld_i64(t2, t2, get_mem_index(s), MO_TEUL); |
| store_reg32_i64(r1, t1); |
| store_reg32_i64(r3, t2); |
| |
| /* Only two registers to read. */ |
| if (((r1 + 1) & 15) == r3) { |
| return DISAS_NEXT; |
| } |
| |
| /* Then load the remaining registers. Page fault can't occur. */ |
| r3 = (r3 - 1) & 15; |
| tcg_gen_movi_i64(t2, 4); |
| while (r1 != r3) { |
| r1 = (r1 + 1) & 15; |
| tcg_gen_add_i64(o->in2, o->in2, t2); |
| tcg_gen_qemu_ld_i64(t1, o->in2, get_mem_index(s), MO_TEUL); |
| store_reg32_i64(r1, t1); |
| } |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_lmh(DisasContext *s, DisasOps *o) |
| { |
| int r1 = get_field(s, r1); |
| int r3 = get_field(s, r3); |
| TCGv_i64 t1, t2; |
| |
| /* Only one register to read. */ |
| t1 = tcg_temp_new_i64(); |
| if (unlikely(r1 == r3)) { |
| tcg_gen_qemu_ld_i64(t1, o->in2, get_mem_index(s), MO_TEUL); |
| store_reg32h_i64(r1, t1); |
| return DISAS_NEXT; |
| } |
| |
| /* First load the values of the first and last registers to trigger |
| possible page faults. */ |
| t2 = tcg_temp_new_i64(); |
| tcg_gen_qemu_ld_i64(t1, o->in2, get_mem_index(s), MO_TEUL); |
| tcg_gen_addi_i64(t2, o->in2, 4 * ((r3 - r1) & 15)); |
| tcg_gen_qemu_ld_i64(t2, t2, get_mem_index(s), MO_TEUL); |
| store_reg32h_i64(r1, t1); |
| store_reg32h_i64(r3, t2); |
| |
| /* Only two registers to read. */ |
| if (((r1 + 1) & 15) == r3) { |
| return DISAS_NEXT; |
| } |
| |
| /* Then load the remaining registers. Page fault can't occur. */ |
| r3 = (r3 - 1) & 15; |
| tcg_gen_movi_i64(t2, 4); |
| while (r1 != r3) { |
| r1 = (r1 + 1) & 15; |
| tcg_gen_add_i64(o->in2, o->in2, t2); |
| tcg_gen_qemu_ld_i64(t1, o->in2, get_mem_index(s), MO_TEUL); |
| store_reg32h_i64(r1, t1); |
| } |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_lm64(DisasContext *s, DisasOps *o) |
| { |
| int r1 = get_field(s, r1); |
| int r3 = get_field(s, r3); |
| TCGv_i64 t1, t2; |
| |
| /* Only one register to read. */ |
| if (unlikely(r1 == r3)) { |
| tcg_gen_qemu_ld_i64(regs[r1], o->in2, get_mem_index(s), MO_TEUQ); |
| return DISAS_NEXT; |
| } |
| |
| /* First load the values of the first and last registers to trigger |
| possible page faults. */ |
| t1 = tcg_temp_new_i64(); |
| t2 = tcg_temp_new_i64(); |
| tcg_gen_qemu_ld_i64(t1, o->in2, get_mem_index(s), MO_TEUQ); |
| tcg_gen_addi_i64(t2, o->in2, 8 * ((r3 - r1) & 15)); |
| tcg_gen_qemu_ld_i64(regs[r3], t2, get_mem_index(s), MO_TEUQ); |
| tcg_gen_mov_i64(regs[r1], t1); |
| |
| /* Only two registers to read. */ |
| if (((r1 + 1) & 15) == r3) { |
| return DISAS_NEXT; |
| } |
| |
| /* Then load the remaining registers. Page fault can't occur. */ |
| r3 = (r3 - 1) & 15; |
| tcg_gen_movi_i64(t1, 8); |
| while (r1 != r3) { |
| r1 = (r1 + 1) & 15; |
| tcg_gen_add_i64(o->in2, o->in2, t1); |
| tcg_gen_qemu_ld_i64(regs[r1], o->in2, get_mem_index(s), MO_TEUQ); |
| } |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_lpd(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i64 a1, a2; |
| MemOp mop = s->insn->data; |
| |
| /* In a parallel context, stop the world and single step. */ |
| if (tb_cflags(s->base.tb) & CF_PARALLEL) { |
| update_psw_addr(s); |
| update_cc_op(s); |
| gen_exception(EXCP_ATOMIC); |
| return DISAS_NORETURN; |
| } |
| |
| /* In a serial context, perform the two loads ... */ |
| a1 = get_address(s, 0, get_field(s, b1), get_field(s, d1)); |
| a2 = get_address(s, 0, get_field(s, b2), get_field(s, d2)); |
| tcg_gen_qemu_ld_i64(o->out, a1, get_mem_index(s), mop | MO_ALIGN); |
| tcg_gen_qemu_ld_i64(o->out2, a2, get_mem_index(s), mop | MO_ALIGN); |
| |
| /* ... and indicate that we performed them while interlocked. */ |
| gen_op_movi_cc(s, 0); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_lpq(DisasContext *s, DisasOps *o) |
| { |
| o->out_128 = tcg_temp_new_i128(); |
| tcg_gen_qemu_ld_i128(o->out_128, o->in2, get_mem_index(s), |
| MO_TE | MO_128 | MO_ALIGN); |
| return DISAS_NEXT; |
| } |
| |
| #ifndef CONFIG_USER_ONLY |
| static DisasJumpType op_lura(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_qemu_ld_tl(o->out, o->in2, MMU_REAL_IDX, s->insn->data); |
| return DISAS_NEXT; |
| } |
| #endif |
| |
| static DisasJumpType op_lzrb(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_andi_i64(o->out, o->in2, -256); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_lcbb(DisasContext *s, DisasOps *o) |
| { |
| const int64_t block_size = (1ull << (get_field(s, m3) + 6)); |
| |
| if (get_field(s, m3) > 6) { |
| gen_program_exception(s, PGM_SPECIFICATION); |
| return DISAS_NORETURN; |
| } |
| |
| tcg_gen_ori_i64(o->addr1, o->addr1, -block_size); |
| tcg_gen_neg_i64(o->addr1, o->addr1); |
| tcg_gen_movi_i64(o->out, 16); |
| tcg_gen_umin_i64(o->out, o->out, o->addr1); |
| gen_op_update1_cc_i64(s, CC_OP_LCBB, o->out); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_mc(DisasContext *s, DisasOps *o) |
| { |
| const uint8_t monitor_class = get_field(s, i2); |
| |
| if (monitor_class & 0xf0) { |
| gen_program_exception(s, PGM_SPECIFICATION); |
| return DISAS_NORETURN; |
| } |
| |
| #if !defined(CONFIG_USER_ONLY) |
| gen_helper_monitor_call(tcg_env, o->addr1, |
| tcg_constant_i32(monitor_class)); |
| #endif |
| /* Defaults to a NOP. */ |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_mov2(DisasContext *s, DisasOps *o) |
| { |
| o->out = o->in2; |
| o->in2 = NULL; |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_mov2e(DisasContext *s, DisasOps *o) |
| { |
| int b2 = get_field(s, b2); |
| TCGv ar1 = tcg_temp_new_i64(); |
| int r1 = get_field(s, r1); |
| |
| o->out = o->in2; |
| o->in2 = NULL; |
| |
| switch (s->base.tb->flags & FLAG_MASK_ASC) { |
| case PSW_ASC_PRIMARY >> FLAG_MASK_PSW_SHIFT: |
| tcg_gen_movi_i64(ar1, 0); |
| break; |
| case PSW_ASC_ACCREG >> FLAG_MASK_PSW_SHIFT: |
| tcg_gen_movi_i64(ar1, 1); |
| break; |
| case PSW_ASC_SECONDARY >> FLAG_MASK_PSW_SHIFT: |
| if (b2) { |
| tcg_gen_ld32u_i64(ar1, tcg_env, offsetof(CPUS390XState, aregs[b2])); |
| } else { |
| tcg_gen_movi_i64(ar1, 0); |
| } |
| break; |
| case PSW_ASC_HOME >> FLAG_MASK_PSW_SHIFT: |
| tcg_gen_movi_i64(ar1, 2); |
| break; |
| } |
| |
| tcg_gen_st32_i64(ar1, tcg_env, offsetof(CPUS390XState, aregs[r1])); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_movx(DisasContext *s, DisasOps *o) |
| { |
| o->out = o->in1; |
| o->out2 = o->in2; |
| o->in1 = NULL; |
| o->in2 = NULL; |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_mvc(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 l = tcg_constant_i32(get_field(s, l1)); |
| |
| gen_helper_mvc(tcg_env, l, o->addr1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_mvcrl(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_mvcrl(tcg_env, regs[0], o->addr1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_mvcin(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 l = tcg_constant_i32(get_field(s, l1)); |
| |
| gen_helper_mvcin(tcg_env, l, o->addr1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_mvcl(DisasContext *s, DisasOps *o) |
| { |
| int r1 = get_field(s, r1); |
| int r2 = get_field(s, r2); |
| TCGv_i32 t1, t2; |
| |
| /* r1 and r2 must be even. */ |
| if (r1 & 1 || r2 & 1) { |
| gen_program_exception(s, PGM_SPECIFICATION); |
| return DISAS_NORETURN; |
| } |
| |
| t1 = tcg_constant_i32(r1); |
| t2 = tcg_constant_i32(r2); |
| gen_helper_mvcl(cc_op, tcg_env, t1, t2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_mvcle(DisasContext *s, DisasOps *o) |
| { |
| int r1 = get_field(s, r1); |
| int r3 = get_field(s, r3); |
| TCGv_i32 t1, t3; |
| |
| /* r1 and r3 must be even. */ |
| if (r1 & 1 || r3 & 1) { |
| gen_program_exception(s, PGM_SPECIFICATION); |
| return DISAS_NORETURN; |
| } |
| |
| t1 = tcg_constant_i32(r1); |
| t3 = tcg_constant_i32(r3); |
| gen_helper_mvcle(cc_op, tcg_env, t1, o->in2, t3); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_mvclu(DisasContext *s, DisasOps *o) |
| { |
| int r1 = get_field(s, r1); |
| int r3 = get_field(s, r3); |
| TCGv_i32 t1, t3; |
| |
| /* r1 and r3 must be even. */ |
| if (r1 & 1 || r3 & 1) { |
| gen_program_exception(s, PGM_SPECIFICATION); |
| return DISAS_NORETURN; |
| } |
| |
| t1 = tcg_constant_i32(r1); |
| t3 = tcg_constant_i32(r3); |
| gen_helper_mvclu(cc_op, tcg_env, t1, o->in2, t3); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_mvcos(DisasContext *s, DisasOps *o) |
| { |
| int r3 = get_field(s, r3); |
| gen_helper_mvcos(cc_op, tcg_env, o->addr1, o->in2, regs[r3]); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| #ifndef CONFIG_USER_ONLY |
| static DisasJumpType op_mvcp(DisasContext *s, DisasOps *o) |
| { |
| int r1 = get_field(s, l1); |
| int r3 = get_field(s, r3); |
| gen_helper_mvcp(cc_op, tcg_env, regs[r1], o->addr1, o->in2, regs[r3]); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_mvcs(DisasContext *s, DisasOps *o) |
| { |
| int r1 = get_field(s, l1); |
| int r3 = get_field(s, r3); |
| gen_helper_mvcs(cc_op, tcg_env, regs[r1], o->addr1, o->in2, regs[r3]); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| #endif |
| |
| static DisasJumpType op_mvn(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 l = tcg_constant_i32(get_field(s, l1)); |
| |
| gen_helper_mvn(tcg_env, l, o->addr1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_mvo(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 l = tcg_constant_i32(get_field(s, l1)); |
| |
| gen_helper_mvo(tcg_env, l, o->addr1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_mvpg(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 t1 = tcg_constant_i32(get_field(s, r1)); |
| TCGv_i32 t2 = tcg_constant_i32(get_field(s, r2)); |
| |
| gen_helper_mvpg(cc_op, tcg_env, regs[0], t1, t2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_mvst(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 t1 = tcg_constant_i32(get_field(s, r1)); |
| TCGv_i32 t2 = tcg_constant_i32(get_field(s, r2)); |
| |
| gen_helper_mvst(cc_op, tcg_env, t1, t2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_mvz(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 l = tcg_constant_i32(get_field(s, l1)); |
| |
| gen_helper_mvz(tcg_env, l, o->addr1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_mul(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_mul_i64(o->out, o->in1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_mul128(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_mulu2_i64(o->out2, o->out, o->in1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_muls128(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_muls2_i64(o->out2, o->out, o->in1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_meeb(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_meeb(o->out, tcg_env, o->in1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_mdeb(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_mdeb(o->out, tcg_env, o->in1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_mdb(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_mdb(o->out, tcg_env, o->in1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_mxb(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_mxb(o->out_128, tcg_env, o->in1_128, o->in2_128); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_mxdb(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_mxdb(o->out_128, tcg_env, o->in1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_maeb(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i64 r3 = load_freg32_i64(get_field(s, r3)); |
| gen_helper_maeb(o->out, tcg_env, o->in1, o->in2, r3); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_madb(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i64 r3 = load_freg(get_field(s, r3)); |
| gen_helper_madb(o->out, tcg_env, o->in1, o->in2, r3); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_mseb(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i64 r3 = load_freg32_i64(get_field(s, r3)); |
| gen_helper_mseb(o->out, tcg_env, o->in1, o->in2, r3); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_msdb(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i64 r3 = load_freg(get_field(s, r3)); |
| gen_helper_msdb(o->out, tcg_env, o->in1, o->in2, r3); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_nabs(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i64 z = tcg_constant_i64(0); |
| TCGv_i64 n = tcg_temp_new_i64(); |
| |
| tcg_gen_neg_i64(n, o->in2); |
| tcg_gen_movcond_i64(TCG_COND_GE, o->out, o->in2, z, n, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_nabsf32(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_ori_i64(o->out, o->in2, 0x80000000ull); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_nabsf64(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_ori_i64(o->out, o->in2, 0x8000000000000000ull); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_nabsf128(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_ori_i64(o->out, o->in1, 0x8000000000000000ull); |
| tcg_gen_mov_i64(o->out2, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_nc(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 l = tcg_constant_i32(get_field(s, l1)); |
| |
| gen_helper_nc(cc_op, tcg_env, l, o->addr1, o->in2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_neg(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_neg_i64(o->out, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_negf32(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_xori_i64(o->out, o->in2, 0x80000000ull); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_negf64(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_xori_i64(o->out, o->in2, 0x8000000000000000ull); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_negf128(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_xori_i64(o->out, o->in1, 0x8000000000000000ull); |
| tcg_gen_mov_i64(o->out2, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_oc(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 l = tcg_constant_i32(get_field(s, l1)); |
| |
| gen_helper_oc(cc_op, tcg_env, l, o->addr1, o->in2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_or(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_or_i64(o->out, o->in1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_ori(DisasContext *s, DisasOps *o) |
| { |
| int shift = s->insn->data & 0xff; |
| int size = s->insn->data >> 8; |
| uint64_t mask = ((1ull << size) - 1) << shift; |
| TCGv_i64 t = tcg_temp_new_i64(); |
| |
| tcg_gen_shli_i64(t, o->in2, shift); |
| tcg_gen_or_i64(o->out, o->in1, t); |
| |
| /* Produce the CC from only the bits manipulated. */ |
| tcg_gen_andi_i64(cc_dst, o->out, mask); |
| set_cc_nz_u64(s, cc_dst); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_oi(DisasContext *s, DisasOps *o) |
| { |
| o->in1 = tcg_temp_new_i64(); |
| |
| if (!s390_has_feat(S390_FEAT_INTERLOCKED_ACCESS_2)) { |
| tcg_gen_qemu_ld_tl(o->in1, o->addr1, get_mem_index(s), s->insn->data); |
| } else { |
| /* Perform the atomic operation in memory. */ |
| tcg_gen_atomic_fetch_or_i64(o->in1, o->addr1, o->in2, get_mem_index(s), |
| s->insn->data); |
| } |
| |
| /* Recompute also for atomic case: needed for setting CC. */ |
| tcg_gen_or_i64(o->out, o->in1, o->in2); |
| |
| if (!s390_has_feat(S390_FEAT_INTERLOCKED_ACCESS_2)) { |
| tcg_gen_qemu_st_tl(o->out, o->addr1, get_mem_index(s), s->insn->data); |
| } |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_pack(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 l = tcg_constant_i32(get_field(s, l1)); |
| |
| gen_helper_pack(tcg_env, l, o->addr1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_pka(DisasContext *s, DisasOps *o) |
| { |
| int l2 = get_field(s, l2) + 1; |
| TCGv_i32 l; |
| |
| /* The length must not exceed 32 bytes. */ |
| if (l2 > 32) { |
| gen_program_exception(s, PGM_SPECIFICATION); |
| return DISAS_NORETURN; |
| } |
| l = tcg_constant_i32(l2); |
| gen_helper_pka(tcg_env, o->addr1, o->in2, l); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_pku(DisasContext *s, DisasOps *o) |
| { |
| int l2 = get_field(s, l2) + 1; |
| TCGv_i32 l; |
| |
| /* The length must be even and should not exceed 64 bytes. */ |
| if ((l2 & 1) || (l2 > 64)) { |
| gen_program_exception(s, PGM_SPECIFICATION); |
| return DISAS_NORETURN; |
| } |
| l = tcg_constant_i32(l2); |
| gen_helper_pku(tcg_env, o->addr1, o->in2, l); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_popcnt(DisasContext *s, DisasOps *o) |
| { |
| const uint8_t m3 = get_field(s, m3); |
| |
| if ((m3 & 8) && s390_has_feat(S390_FEAT_MISC_INSTRUCTION_EXT3)) { |
| tcg_gen_ctpop_i64(o->out, o->in2); |
| } else { |
| gen_helper_popcnt(o->out, o->in2); |
| } |
| return DISAS_NEXT; |
| } |
| |
| #ifndef CONFIG_USER_ONLY |
| static DisasJumpType op_ptlb(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_ptlb(tcg_env); |
| return DISAS_NEXT; |
| } |
| #endif |
| |
| static DisasJumpType op_risbg(DisasContext *s, DisasOps *o) |
| { |
| int i3 = get_field(s, i3); |
| int i4 = get_field(s, i4); |
| int i5 = get_field(s, i5); |
| int do_zero = i4 & 0x80; |
| uint64_t mask, imask, pmask; |
| int pos, len, rot; |
| |
| /* Adjust the arguments for the specific insn. */ |
| switch (s->fields.op2) { |
| case 0x55: /* risbg */ |
| case 0x59: /* risbgn */ |
| i3 &= 63; |
| i4 &= 63; |
| pmask = ~0; |
| break; |
| case 0x5d: /* risbhg */ |
| i3 &= 31; |
| i4 &= 31; |
| pmask = 0xffffffff00000000ull; |
| break; |
| case 0x51: /* risblg */ |
| i3 = (i3 & 31) + 32; |
| i4 = (i4 & 31) + 32; |
| pmask = 0x00000000ffffffffull; |
| break; |
| default: |
| g_assert_not_reached(); |
| } |
| |
| /* MASK is the set of bits to be inserted from R2. */ |
| if (i3 <= i4) { |
| /* [0...i3---i4...63] */ |
| mask = (-1ull >> i3) & (-1ull << (63 - i4)); |
| } else { |
| /* [0---i4...i3---63] */ |
| mask = (-1ull >> i3) | (-1ull << (63 - i4)); |
| } |
| /* For RISBLG/RISBHG, the wrapping is limited to the high/low doubleword. */ |
| mask &= pmask; |
| |
| /* IMASK is the set of bits to be kept from R1. In the case of the high/low |
| insns, we need to keep the other half of the register. */ |
| imask = ~mask | ~pmask; |
| if (do_zero) { |
| imask = ~pmask; |
| } |
| |
| len = i4 - i3 + 1; |
| pos = 63 - i4; |
| rot = i5 & 63; |
| |
| /* In some cases we can implement this with extract. */ |
| if (imask == 0 && pos == 0 && len > 0 && len <= rot) { |
| tcg_gen_extract_i64(o->out, o->in2, 64 - rot, len); |
| return DISAS_NEXT; |
| } |
| |
| /* In some cases we can implement this with deposit. */ |
| if (len > 0 && (imask == 0 || ~mask == imask)) { |
| /* Note that we rotate the bits to be inserted to the lsb, not to |
| the position as described in the PoO. */ |
| rot = (rot - pos) & 63; |
| } else { |
| pos = -1; |
| } |
| |
| /* Rotate the input as necessary. */ |
| tcg_gen_rotli_i64(o->in2, o->in2, rot); |
| |
| /* Insert the selected bits into the output. */ |
| if (pos >= 0) { |
| if (imask == 0) { |
| tcg_gen_deposit_z_i64(o->out, o->in2, pos, len); |
| } else { |
| tcg_gen_deposit_i64(o->out, o->out, o->in2, pos, len); |
| } |
| } else if (imask == 0) { |
| tcg_gen_andi_i64(o->out, o->in2, mask); |
| } else { |
| tcg_gen_andi_i64(o->in2, o->in2, mask); |
| tcg_gen_andi_i64(o->out, o->out, imask); |
| tcg_gen_or_i64(o->out, o->out, o->in2); |
| } |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_rosbg(DisasContext *s, DisasOps *o) |
| { |
| int i3 = get_field(s, i3); |
| int i4 = get_field(s, i4); |
| int i5 = get_field(s, i5); |
| TCGv_i64 orig_out; |
| uint64_t mask; |
| |
| /* If this is a test-only form, arrange to discard the result. */ |
| if (i3 & 0x80) { |
| tcg_debug_assert(o->out != NULL); |
| orig_out = o->out; |
| o->out = tcg_temp_new_i64(); |
| tcg_gen_mov_i64(o->out, orig_out); |
| } |
| |
| i3 &= 63; |
| i4 &= 63; |
| i5 &= 63; |
| |
| /* MASK is the set of bits to be operated on from R2. |
| Take care for I3/I4 wraparound. */ |
| mask = ~0ull >> i3; |
| if (i3 <= i4) { |
| mask ^= ~0ull >> i4 >> 1; |
| } else { |
| mask |= ~(~0ull >> i4 >> 1); |
| } |
| |
| /* Rotate the input as necessary. */ |
| tcg_gen_rotli_i64(o->in2, o->in2, i5); |
| |
| /* Operate. */ |
| switch (s->fields.op2) { |
| case 0x54: /* AND */ |
| tcg_gen_ori_i64(o->in2, o->in2, ~mask); |
| tcg_gen_and_i64(o->out, o->out, o->in2); |
| break; |
| case 0x56: /* OR */ |
| tcg_gen_andi_i64(o->in2, o->in2, mask); |
| tcg_gen_or_i64(o->out, o->out, o->in2); |
| break; |
| case 0x57: /* XOR */ |
| tcg_gen_andi_i64(o->in2, o->in2, mask); |
| tcg_gen_xor_i64(o->out, o->out, o->in2); |
| break; |
| default: |
| abort(); |
| } |
| |
| /* Set the CC. */ |
| tcg_gen_andi_i64(cc_dst, o->out, mask); |
| set_cc_nz_u64(s, cc_dst); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_rev16(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_bswap16_i64(o->out, o->in2, TCG_BSWAP_IZ | TCG_BSWAP_OZ); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_rev32(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_bswap32_i64(o->out, o->in2, TCG_BSWAP_IZ | TCG_BSWAP_OZ); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_rev64(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_bswap64_i64(o->out, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_rll32(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 t1 = tcg_temp_new_i32(); |
| TCGv_i32 t2 = tcg_temp_new_i32(); |
| TCGv_i32 to = tcg_temp_new_i32(); |
| tcg_gen_extrl_i64_i32(t1, o->in1); |
| tcg_gen_extrl_i64_i32(t2, o->in2); |
| tcg_gen_rotl_i32(to, t1, t2); |
| tcg_gen_extu_i32_i64(o->out, to); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_rll64(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_rotl_i64(o->out, o->in1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| #ifndef CONFIG_USER_ONLY |
| static DisasJumpType op_rrbe(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_rrbe(cc_op, tcg_env, o->in2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_sacf(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_sacf(tcg_env, o->in2); |
| /* Addressing mode has changed, so end the block. */ |
| return DISAS_TOO_MANY; |
| } |
| #endif |
| |
| static DisasJumpType op_sam(DisasContext *s, DisasOps *o) |
| { |
| int sam = s->insn->data; |
| TCGv_i64 tsam; |
| uint64_t mask; |
| |
| switch (sam) { |
| case 0: |
| mask = 0xffffff; |
| break; |
| case 1: |
| mask = 0x7fffffff; |
| break; |
| default: |
| mask = -1; |
| break; |
| } |
| |
| /* Bizarre but true, we check the address of the current insn for the |
| specification exception, not the next to be executed. Thus the PoO |
| documents that Bad Things Happen two bytes before the end. */ |
| if (s->base.pc_next & ~mask) { |
| gen_program_exception(s, PGM_SPECIFICATION); |
| return DISAS_NORETURN; |
| } |
| s->pc_tmp &= mask; |
| |
| tsam = tcg_constant_i64(sam); |
| tcg_gen_deposit_i64(psw_mask, psw_mask, tsam, 31, 2); |
| |
| /* Always exit the TB, since we (may have) changed execution mode. */ |
| return DISAS_TOO_MANY; |
| } |
| |
| static DisasJumpType op_sar(DisasContext *s, DisasOps *o) |
| { |
| int r1 = get_field(s, r1); |
| tcg_gen_st32_i64(o->in2, tcg_env, offsetof(CPUS390XState, aregs[r1])); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_seb(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_seb(o->out, tcg_env, o->in1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_sdb(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_sdb(o->out, tcg_env, o->in1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_sxb(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_sxb(o->out_128, tcg_env, o->in1_128, o->in2_128); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_sqeb(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_sqeb(o->out, tcg_env, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_sqdb(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_sqdb(o->out, tcg_env, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_sqxb(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_sqxb(o->out_128, tcg_env, o->in2_128); |
| return DISAS_NEXT; |
| } |
| |
| #ifndef CONFIG_USER_ONLY |
| static DisasJumpType op_servc(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_servc(cc_op, tcg_env, o->in2, o->in1); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_sigp(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 r1 = tcg_constant_i32(get_field(s, r1)); |
| TCGv_i32 r3 = tcg_constant_i32(get_field(s, r3)); |
| |
| gen_helper_sigp(cc_op, tcg_env, o->in2, r1, r3); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| #endif |
| |
| static DisasJumpType op_soc(DisasContext *s, DisasOps *o) |
| { |
| DisasCompare c; |
| TCGv_i64 a, h; |
| TCGLabel *lab; |
| int r1; |
| |
| disas_jcc(s, &c, get_field(s, m3)); |
| |
| /* We want to store when the condition is fulfilled, so branch |
| out when it's not */ |
| c.cond = tcg_invert_cond(c.cond); |
| |
| lab = gen_new_label(); |
| if (c.is_64) { |
| tcg_gen_brcond_i64(c.cond, c.u.s64.a, c.u.s64.b, lab); |
| } else { |
| tcg_gen_brcond_i32(c.cond, c.u.s32.a, c.u.s32.b, lab); |
| } |
| |
| r1 = get_field(s, r1); |
| a = get_address(s, 0, get_field(s, b2), get_field(s, d2)); |
| switch (s->insn->data) { |
| case 1: /* STOCG */ |
| tcg_gen_qemu_st_i64(regs[r1], a, get_mem_index(s), MO_TEUQ); |
| break; |
| case 0: /* STOC */ |
| tcg_gen_qemu_st_i64(regs[r1], a, get_mem_index(s), MO_TEUL); |
| break; |
| case 2: /* STOCFH */ |
| h = tcg_temp_new_i64(); |
| tcg_gen_shri_i64(h, regs[r1], 32); |
| tcg_gen_qemu_st_i64(h, a, get_mem_index(s), MO_TEUL); |
| break; |
| default: |
| g_assert_not_reached(); |
| } |
| |
| gen_set_label(lab); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_sla(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i64 t; |
| uint64_t sign = 1ull << s->insn->data; |
| if (s->insn->data == 31) { |
| t = tcg_temp_new_i64(); |
| tcg_gen_shli_i64(t, o->in1, 32); |
| } else { |
| t = o->in1; |
| } |
| gen_op_update2_cc_i64(s, CC_OP_SLA, t, o->in2); |
| tcg_gen_shl_i64(o->out, o->in1, o->in2); |
| /* The arithmetic left shift is curious in that it does not affect |
| the sign bit. Copy that over from the source unchanged. */ |
| tcg_gen_andi_i64(o->out, o->out, ~sign); |
| tcg_gen_andi_i64(o->in1, o->in1, sign); |
| tcg_gen_or_i64(o->out, o->out, o->in1); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_sll(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_shl_i64(o->out, o->in1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_sra(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_sar_i64(o->out, o->in1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_srl(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_shr_i64(o->out, o->in1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_sfpc(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_sfpc(tcg_env, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_sfas(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_sfas(tcg_env, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_srnm(DisasContext *s, DisasOps *o) |
| { |
| /* Bits other than 62 and 63 are ignored. Bit 29 is set to zero. */ |
| tcg_gen_andi_i64(o->addr1, o->addr1, 0x3ull); |
| gen_helper_srnm(tcg_env, o->addr1); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_srnmb(DisasContext *s, DisasOps *o) |
| { |
| /* Bits 0-55 are are ignored. */ |
| tcg_gen_andi_i64(o->addr1, o->addr1, 0xffull); |
| gen_helper_srnm(tcg_env, o->addr1); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_srnmt(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i64 tmp = tcg_temp_new_i64(); |
| |
| /* Bits other than 61-63 are ignored. */ |
| tcg_gen_andi_i64(o->addr1, o->addr1, 0x7ull); |
| |
| /* No need to call a helper, we don't implement dfp */ |
| tcg_gen_ld32u_i64(tmp, tcg_env, offsetof(CPUS390XState, fpc)); |
| tcg_gen_deposit_i64(tmp, tmp, o->addr1, 4, 3); |
| tcg_gen_st32_i64(tmp, tcg_env, offsetof(CPUS390XState, fpc)); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_spm(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_extrl_i64_i32(cc_op, o->in1); |
| tcg_gen_extract_i32(cc_op, cc_op, 28, 2); |
| set_cc_static(s); |
| |
| tcg_gen_shri_i64(o->in1, o->in1, 24); |
| tcg_gen_deposit_i64(psw_mask, psw_mask, o->in1, PSW_SHIFT_MASK_PM, 4); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_ectg(DisasContext *s, DisasOps *o) |
| { |
| int b1 = get_field(s, b1); |
| int d1 = get_field(s, d1); |
| int b2 = get_field(s, b2); |
| int d2 = get_field(s, d2); |
| int r3 = get_field(s, r3); |
| TCGv_i64 tmp = tcg_temp_new_i64(); |
| |
| /* fetch all operands first */ |
| o->in1 = tcg_temp_new_i64(); |
| tcg_gen_addi_i64(o->in1, regs[b1], d1); |
| o->in2 = tcg_temp_new_i64(); |
| tcg_gen_addi_i64(o->in2, regs[b2], d2); |
| o->addr1 = tcg_temp_new_i64(); |
| gen_addi_and_wrap_i64(s, o->addr1, regs[r3], 0); |
| |
| /* load the third operand into r3 before modifying anything */ |
| tcg_gen_qemu_ld_i64(regs[r3], o->addr1, get_mem_index(s), MO_TEUQ); |
| |
| /* subtract CPU timer from first operand and store in GR0 */ |
| gen_helper_stpt(tmp, tcg_env); |
| tcg_gen_sub_i64(regs[0], o->in1, tmp); |
| |
| /* store second operand in GR1 */ |
| tcg_gen_mov_i64(regs[1], o->in2); |
| return DISAS_NEXT; |
| } |
| |
| #ifndef CONFIG_USER_ONLY |
| static DisasJumpType op_spka(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_shri_i64(o->in2, o->in2, 4); |
| tcg_gen_deposit_i64(psw_mask, psw_mask, o->in2, PSW_SHIFT_KEY, 4); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_sske(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_sske(tcg_env, o->in1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static void gen_check_psw_mask(DisasContext *s) |
| { |
| TCGv_i64 reserved = tcg_temp_new_i64(); |
| TCGLabel *ok = gen_new_label(); |
| |
| tcg_gen_andi_i64(reserved, psw_mask, PSW_MASK_RESERVED); |
| tcg_gen_brcondi_i64(TCG_COND_EQ, reserved, 0, ok); |
| gen_program_exception(s, PGM_SPECIFICATION); |
| gen_set_label(ok); |
| } |
| |
| static DisasJumpType op_ssm(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_deposit_i64(psw_mask, psw_mask, o->in2, 56, 8); |
| |
| gen_check_psw_mask(s); |
| |
| /* Exit to main loop to reevaluate s390_cpu_exec_interrupt. */ |
| s->exit_to_mainloop = true; |
| return DISAS_TOO_MANY; |
| } |
| |
| static DisasJumpType op_stap(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_ld32u_i64(o->out, tcg_env, offsetof(CPUS390XState, core_id)); |
| return DISAS_NEXT; |
| } |
| #endif |
| |
| static DisasJumpType op_stck(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_stck(o->out, tcg_env); |
| /* ??? We don't implement clock states. */ |
| gen_op_movi_cc(s, 0); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_stcke(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i64 c1 = tcg_temp_new_i64(); |
| TCGv_i64 c2 = tcg_temp_new_i64(); |
| TCGv_i64 todpr = tcg_temp_new_i64(); |
| gen_helper_stck(c1, tcg_env); |
| /* 16 bit value store in an uint32_t (only valid bits set) */ |
| tcg_gen_ld32u_i64(todpr, tcg_env, offsetof(CPUS390XState, todpr)); |
| /* Shift the 64-bit value into its place as a zero-extended |
| 104-bit value. Note that "bit positions 64-103 are always |
| non-zero so that they compare differently to STCK"; we set |
| the least significant bit to 1. */ |
| tcg_gen_shli_i64(c2, c1, 56); |
| tcg_gen_shri_i64(c1, c1, 8); |
| tcg_gen_ori_i64(c2, c2, 0x10000); |
| tcg_gen_or_i64(c2, c2, todpr); |
| tcg_gen_qemu_st_i64(c1, o->in2, get_mem_index(s), MO_TEUQ); |
| tcg_gen_addi_i64(o->in2, o->in2, 8); |
| tcg_gen_qemu_st_i64(c2, o->in2, get_mem_index(s), MO_TEUQ); |
| /* ??? We don't implement clock states. */ |
| gen_op_movi_cc(s, 0); |
| return DISAS_NEXT; |
| } |
| |
| #ifndef CONFIG_USER_ONLY |
| static DisasJumpType op_sck(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_sck(cc_op, tcg_env, o->in2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_sckc(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_sckc(tcg_env, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_sckpf(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_sckpf(tcg_env, regs[0]); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_stckc(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_stckc(o->out, tcg_env); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_stctg(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 r1 = tcg_constant_i32(get_field(s, r1)); |
| TCGv_i32 r3 = tcg_constant_i32(get_field(s, r3)); |
| |
| gen_helper_stctg(tcg_env, r1, o->in2, r3); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_stctl(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 r1 = tcg_constant_i32(get_field(s, r1)); |
| TCGv_i32 r3 = tcg_constant_i32(get_field(s, r3)); |
| |
| gen_helper_stctl(tcg_env, r1, o->in2, r3); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_stidp(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_ld_i64(o->out, tcg_env, offsetof(CPUS390XState, cpuid)); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_spt(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_spt(tcg_env, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_stfl(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_stfl(tcg_env); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_stpt(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_stpt(o->out, tcg_env); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_stsi(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_stsi(cc_op, tcg_env, o->in2, regs[0], regs[1]); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_spx(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_spx(tcg_env, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_xsch(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_xsch(tcg_env, regs[1]); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_csch(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_csch(tcg_env, regs[1]); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_hsch(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_hsch(tcg_env, regs[1]); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_msch(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_msch(tcg_env, regs[1], o->in2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_rchp(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_rchp(tcg_env, regs[1]); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_rsch(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_rsch(tcg_env, regs[1]); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_sal(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_sal(tcg_env, regs[1]); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_schm(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_schm(tcg_env, regs[1], regs[2], o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_siga(DisasContext *s, DisasOps *o) |
| { |
| /* From KVM code: Not provided, set CC = 3 for subchannel not operational */ |
| gen_op_movi_cc(s, 3); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_stcps(DisasContext *s, DisasOps *o) |
| { |
| /* The instruction is suppressed if not provided. */ |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_ssch(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_ssch(tcg_env, regs[1], o->in2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_stsch(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_stsch(tcg_env, regs[1], o->in2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_stcrw(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_stcrw(tcg_env, o->in2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_tpi(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_tpi(cc_op, tcg_env, o->addr1); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_tsch(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_tsch(tcg_env, regs[1], o->in2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_chsc(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_chsc(tcg_env, o->in2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_stpx(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_ld_i64(o->out, tcg_env, offsetof(CPUS390XState, psa)); |
| tcg_gen_andi_i64(o->out, o->out, 0x7fffe000); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_stnosm(DisasContext *s, DisasOps *o) |
| { |
| uint64_t i2 = get_field(s, i2); |
| TCGv_i64 t; |
| |
| /* It is important to do what the instruction name says: STORE THEN. |
| If we let the output hook perform the store then if we fault and |
| restart, we'll have the wrong SYSTEM MASK in place. */ |
| t = tcg_temp_new_i64(); |
| tcg_gen_shri_i64(t, psw_mask, 56); |
| tcg_gen_qemu_st_i64(t, o->addr1, get_mem_index(s), MO_UB); |
| |
| if (s->fields.op == 0xac) { |
| tcg_gen_andi_i64(psw_mask, psw_mask, |
| (i2 << 56) | 0x00ffffffffffffffull); |
| } else { |
| tcg_gen_ori_i64(psw_mask, psw_mask, i2 << 56); |
| } |
| |
| gen_check_psw_mask(s); |
| |
| /* Exit to main loop to reevaluate s390_cpu_exec_interrupt. */ |
| s->exit_to_mainloop = true; |
| return DISAS_TOO_MANY; |
| } |
| |
| static DisasJumpType op_stura(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_qemu_st_tl(o->in1, o->in2, MMU_REAL_IDX, s->insn->data); |
| |
| if (s->base.tb->flags & FLAG_MASK_PER_STORE_REAL) { |
| update_cc_op(s); |
| update_psw_addr(s); |
| gen_helper_per_store_real(tcg_env, tcg_constant_i32(s->ilen)); |
| return DISAS_NORETURN; |
| } |
| return DISAS_NEXT; |
| } |
| #endif |
| |
| static DisasJumpType op_stfle(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_stfle(cc_op, tcg_env, o->in2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_st8(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_qemu_st_i64(o->in1, o->in2, get_mem_index(s), MO_UB); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_st16(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_qemu_st_i64(o->in1, o->in2, get_mem_index(s), MO_TEUW); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_st32(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_qemu_st_tl(o->in1, o->in2, get_mem_index(s), |
| MO_TEUL | s->insn->data); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_st64(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_qemu_st_i64(o->in1, o->in2, get_mem_index(s), |
| MO_TEUQ | s->insn->data); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_stam(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 r1 = tcg_constant_i32(get_field(s, r1)); |
| TCGv_i32 r3 = tcg_constant_i32(get_field(s, r3)); |
| |
| gen_helper_stam(tcg_env, r1, o->in2, r3); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_stcm(DisasContext *s, DisasOps *o) |
| { |
| int m3 = get_field(s, m3); |
| int pos, base = s->insn->data; |
| TCGv_i64 tmp = tcg_temp_new_i64(); |
| |
| pos = base + ctz32(m3) * 8; |
| switch (m3) { |
| case 0xf: |
| /* Effectively a 32-bit store. */ |
| tcg_gen_shri_i64(tmp, o->in1, pos); |
| tcg_gen_qemu_st_i64(tmp, o->in2, get_mem_index(s), MO_TEUL); |
| break; |
| |
| case 0xc: |
| case 0x6: |
| case 0x3: |
| /* Effectively a 16-bit store. */ |
| tcg_gen_shri_i64(tmp, o->in1, pos); |
| tcg_gen_qemu_st_i64(tmp, o->in2, get_mem_index(s), MO_TEUW); |
| break; |
| |
| case 0x8: |
| case 0x4: |
| case 0x2: |
| case 0x1: |
| /* Effectively an 8-bit store. */ |
| tcg_gen_shri_i64(tmp, o->in1, pos); |
| tcg_gen_qemu_st_i64(tmp, o->in2, get_mem_index(s), MO_UB); |
| break; |
| |
| default: |
| /* This is going to be a sequence of shifts and stores. */ |
| pos = base + 32 - 8; |
| while (m3) { |
| if (m3 & 0x8) { |
| tcg_gen_shri_i64(tmp, o->in1, pos); |
| tcg_gen_qemu_st_i64(tmp, o->in2, get_mem_index(s), MO_UB); |
| tcg_gen_addi_i64(o->in2, o->in2, 1); |
| } |
| m3 = (m3 << 1) & 0xf; |
| pos -= 8; |
| } |
| break; |
| } |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_stm(DisasContext *s, DisasOps *o) |
| { |
| int r1 = get_field(s, r1); |
| int r3 = get_field(s, r3); |
| int size = s->insn->data; |
| TCGv_i64 tsize = tcg_constant_i64(size); |
| |
| while (1) { |
| tcg_gen_qemu_st_i64(regs[r1], o->in2, get_mem_index(s), |
| size == 8 ? MO_TEUQ : MO_TEUL); |
| if (r1 == r3) { |
| break; |
| } |
| tcg_gen_add_i64(o->in2, o->in2, tsize); |
| r1 = (r1 + 1) & 15; |
| } |
| |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_stmh(DisasContext *s, DisasOps *o) |
| { |
| int r1 = get_field(s, r1); |
| int r3 = get_field(s, r3); |
| TCGv_i64 t = tcg_temp_new_i64(); |
| TCGv_i64 t4 = tcg_constant_i64(4); |
| TCGv_i64 t32 = tcg_constant_i64(32); |
| |
| while (1) { |
| tcg_gen_shl_i64(t, regs[r1], t32); |
| tcg_gen_qemu_st_i64(t, o->in2, get_mem_index(s), MO_TEUL); |
| if (r1 == r3) { |
| break; |
| } |
| tcg_gen_add_i64(o->in2, o->in2, t4); |
| r1 = (r1 + 1) & 15; |
| } |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_stpq(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i128 t16 = tcg_temp_new_i128(); |
| |
| tcg_gen_concat_i64_i128(t16, o->out2, o->out); |
| tcg_gen_qemu_st_i128(t16, o->in2, get_mem_index(s), |
| MO_TE | MO_128 | MO_ALIGN); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_srst(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 r1 = tcg_constant_i32(get_field(s, r1)); |
| TCGv_i32 r2 = tcg_constant_i32(get_field(s, r2)); |
| |
| gen_helper_srst(tcg_env, r1, r2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_srstu(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 r1 = tcg_constant_i32(get_field(s, r1)); |
| TCGv_i32 r2 = tcg_constant_i32(get_field(s, r2)); |
| |
| gen_helper_srstu(tcg_env, r1, r2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_sub(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_sub_i64(o->out, o->in1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_subu64(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_movi_i64(cc_src, 0); |
| tcg_gen_sub2_i64(o->out, cc_src, o->in1, cc_src, o->in2, cc_src); |
| return DISAS_NEXT; |
| } |
| |
| /* Compute borrow (0, -1) into cc_src. */ |
| static void compute_borrow(DisasContext *s) |
| { |
| switch (s->cc_op) { |
| case CC_OP_SUBU: |
| /* The borrow value is already in cc_src (0,-1). */ |
| break; |
| default: |
| gen_op_calc_cc(s); |
| /* fall through */ |
| case CC_OP_STATIC: |
| /* The carry flag is the msb of CC; compute into cc_src. */ |
| tcg_gen_extu_i32_i64(cc_src, cc_op); |
| tcg_gen_shri_i64(cc_src, cc_src, 1); |
| /* fall through */ |
| case CC_OP_ADDU: |
| /* Convert carry (1,0) to borrow (0,-1). */ |
| tcg_gen_subi_i64(cc_src, cc_src, 1); |
| break; |
| } |
| } |
| |
| static DisasJumpType op_subb32(DisasContext *s, DisasOps *o) |
| { |
| compute_borrow(s); |
| |
| /* Borrow is {0, -1}, so add to subtract. */ |
| tcg_gen_add_i64(o->out, o->in1, cc_src); |
| tcg_gen_sub_i64(o->out, o->out, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_subb64(DisasContext *s, DisasOps *o) |
| { |
| compute_borrow(s); |
| |
| /* |
| * Borrow is {0, -1}, so add to subtract; replicate the |
| * borrow input to produce 128-bit -1 for the addition. |
| */ |
| TCGv_i64 zero = tcg_constant_i64(0); |
| tcg_gen_add2_i64(o->out, cc_src, o->in1, zero, cc_src, cc_src); |
| tcg_gen_sub2_i64(o->out, cc_src, o->out, cc_src, o->in2, zero); |
| |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_svc(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 t; |
| |
| update_psw_addr(s); |
| update_cc_op(s); |
| |
| t = tcg_constant_i32(get_field(s, i1) & 0xff); |
| tcg_gen_st_i32(t, tcg_env, offsetof(CPUS390XState, int_svc_code)); |
| |
| t = tcg_constant_i32(s->ilen); |
| tcg_gen_st_i32(t, tcg_env, offsetof(CPUS390XState, int_svc_ilen)); |
| |
| gen_exception(EXCP_SVC); |
| return DISAS_NORETURN; |
| } |
| |
| static DisasJumpType op_tam(DisasContext *s, DisasOps *o) |
| { |
| int cc = 0; |
| |
| cc |= (s->base.tb->flags & FLAG_MASK_64) ? 2 : 0; |
| cc |= (s->base.tb->flags & FLAG_MASK_32) ? 1 : 0; |
| gen_op_movi_cc(s, cc); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_tceb(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_tceb(cc_op, tcg_env, o->in1, o->in2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_tcdb(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_tcdb(cc_op, tcg_env, o->in1, o->in2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_tcxb(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_tcxb(cc_op, tcg_env, o->in1_128, o->in2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| #ifndef CONFIG_USER_ONLY |
| |
| static DisasJumpType op_testblock(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_testblock(cc_op, tcg_env, o->in2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_tprot(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_tprot(cc_op, tcg_env, o->addr1, o->in2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| #endif |
| |
| static DisasJumpType op_tp(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 l1 = tcg_constant_i32(get_field(s, l1) + 1); |
| |
| gen_helper_tp(cc_op, tcg_env, o->addr1, l1); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_tr(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 l = tcg_constant_i32(get_field(s, l1)); |
| |
| gen_helper_tr(tcg_env, l, o->addr1, o->in2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_tre(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i128 pair = tcg_temp_new_i128(); |
| |
| gen_helper_tre(pair, tcg_env, o->out, o->out2, o->in2); |
| tcg_gen_extr_i128_i64(o->out2, o->out, pair); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_trt(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 l = tcg_constant_i32(get_field(s, l1)); |
| |
| gen_helper_trt(cc_op, tcg_env, l, o->addr1, o->in2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_trtr(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 l = tcg_constant_i32(get_field(s, l1)); |
| |
| gen_helper_trtr(cc_op, tcg_env, l, o->addr1, o->in2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_trXX(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 r1 = tcg_constant_i32(get_field(s, r1)); |
| TCGv_i32 r2 = tcg_constant_i32(get_field(s, r2)); |
| TCGv_i32 sizes = tcg_constant_i32(s->insn->opc & 3); |
| TCGv_i32 tst = tcg_temp_new_i32(); |
| int m3 = get_field(s, m3); |
| |
| if (!s390_has_feat(S390_FEAT_ETF2_ENH)) { |
| m3 = 0; |
| } |
| if (m3 & 1) { |
| tcg_gen_movi_i32(tst, -1); |
| } else { |
| tcg_gen_extrl_i64_i32(tst, regs[0]); |
| if (s->insn->opc & 3) { |
| tcg_gen_ext8u_i32(tst, tst); |
| } else { |
| tcg_gen_ext16u_i32(tst, tst); |
| } |
| } |
| gen_helper_trXX(cc_op, tcg_env, r1, r2, tst, sizes); |
| |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_ts(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 ff = tcg_constant_i32(0xff); |
| TCGv_i32 t1 = tcg_temp_new_i32(); |
| |
| tcg_gen_atomic_xchg_i32(t1, o->in2, ff, get_mem_index(s), MO_UB); |
| tcg_gen_extract_i32(cc_op, t1, 7, 1); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_unpk(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 l = tcg_constant_i32(get_field(s, l1)); |
| |
| gen_helper_unpk(tcg_env, l, o->addr1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_unpka(DisasContext *s, DisasOps *o) |
| { |
| int l1 = get_field(s, l1) + 1; |
| TCGv_i32 l; |
| |
| /* The length must not exceed 32 bytes. */ |
| if (l1 > 32) { |
| gen_program_exception(s, PGM_SPECIFICATION); |
| return DISAS_NORETURN; |
| } |
| l = tcg_constant_i32(l1); |
| gen_helper_unpka(cc_op, tcg_env, o->addr1, l, o->in2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_unpku(DisasContext *s, DisasOps *o) |
| { |
| int l1 = get_field(s, l1) + 1; |
| TCGv_i32 l; |
| |
| /* The length must be even and should not exceed 64 bytes. */ |
| if ((l1 & 1) || (l1 > 64)) { |
| gen_program_exception(s, PGM_SPECIFICATION); |
| return DISAS_NORETURN; |
| } |
| l = tcg_constant_i32(l1); |
| gen_helper_unpku(cc_op, tcg_env, o->addr1, l, o->in2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| |
| static DisasJumpType op_xc(DisasContext *s, DisasOps *o) |
| { |
| int d1 = get_field(s, d1); |
| int d2 = get_field(s, d2); |
| int b1 = get_field(s, b1); |
| int b2 = get_field(s, b2); |
| int l = get_field(s, l1); |
| TCGv_i32 t32; |
| |
| o->addr1 = get_address(s, 0, b1, d1); |
| |
| /* If the addresses are identical, this is a store/memset of zero. */ |
| if (b1 == b2 && d1 == d2 && (l + 1) <= 32) { |
| o->in2 = tcg_constant_i64(0); |
| |
| l++; |
| while (l >= 8) { |
| tcg_gen_qemu_st_i64(o->in2, o->addr1, get_mem_index(s), MO_UQ); |
| l -= 8; |
| if (l > 0) { |
| tcg_gen_addi_i64(o->addr1, o->addr1, 8); |
| } |
| } |
| if (l >= 4) { |
| tcg_gen_qemu_st_i64(o->in2, o->addr1, get_mem_index(s), MO_UL); |
| l -= 4; |
| if (l > 0) { |
| tcg_gen_addi_i64(o->addr1, o->addr1, 4); |
| } |
| } |
| if (l >= 2) { |
| tcg_gen_qemu_st_i64(o->in2, o->addr1, get_mem_index(s), MO_UW); |
| l -= 2; |
| if (l > 0) { |
| tcg_gen_addi_i64(o->addr1, o->addr1, 2); |
| } |
| } |
| if (l) { |
| tcg_gen_qemu_st_i64(o->in2, o->addr1, get_mem_index(s), MO_UB); |
| } |
| gen_op_movi_cc(s, 0); |
| return DISAS_NEXT; |
| } |
| |
| /* But in general we'll defer to a helper. */ |
| o->in2 = get_address(s, 0, b2, d2); |
| t32 = tcg_constant_i32(l); |
| gen_helper_xc(cc_op, tcg_env, t32, o->addr1, o->in2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_xor(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_xor_i64(o->out, o->in1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_xori(DisasContext *s, DisasOps *o) |
| { |
| int shift = s->insn->data & 0xff; |
| int size = s->insn->data >> 8; |
| uint64_t mask = ((1ull << size) - 1) << shift; |
| TCGv_i64 t = tcg_temp_new_i64(); |
| |
| tcg_gen_shli_i64(t, o->in2, shift); |
| tcg_gen_xor_i64(o->out, o->in1, t); |
| |
| /* Produce the CC from only the bits manipulated. */ |
| tcg_gen_andi_i64(cc_dst, o->out, mask); |
| set_cc_nz_u64(s, cc_dst); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_xi(DisasContext *s, DisasOps *o) |
| { |
| o->in1 = tcg_temp_new_i64(); |
| |
| if (!s390_has_feat(S390_FEAT_INTERLOCKED_ACCESS_2)) { |
| tcg_gen_qemu_ld_tl(o->in1, o->addr1, get_mem_index(s), s->insn->data); |
| } else { |
| /* Perform the atomic operation in memory. */ |
| tcg_gen_atomic_fetch_xor_i64(o->in1, o->addr1, o->in2, get_mem_index(s), |
| s->insn->data); |
| } |
| |
| /* Recompute also for atomic case: needed for setting CC. */ |
| tcg_gen_xor_i64(o->out, o->in1, o->in2); |
| |
| if (!s390_has_feat(S390_FEAT_INTERLOCKED_ACCESS_2)) { |
| tcg_gen_qemu_st_tl(o->out, o->addr1, get_mem_index(s), s->insn->data); |
| } |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_zero(DisasContext *s, DisasOps *o) |
| { |
| o->out = tcg_constant_i64(0); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_zero2(DisasContext *s, DisasOps *o) |
| { |
| o->out = tcg_constant_i64(0); |
| o->out2 = o->out; |
| return DISAS_NEXT; |
| } |
| |
| #ifndef CONFIG_USER_ONLY |
| static DisasJumpType op_clp(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 r2 = tcg_constant_i32(get_field(s, r2)); |
| |
| gen_helper_clp(tcg_env, r2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_pcilg(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 r1 = tcg_constant_i32(get_field(s, r1)); |
| TCGv_i32 r2 = tcg_constant_i32(get_field(s, r2)); |
| |
| gen_helper_pcilg(tcg_env, r1, r2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_pcistg(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 r1 = tcg_constant_i32(get_field(s, r1)); |
| TCGv_i32 r2 = tcg_constant_i32(get_field(s, r2)); |
| |
| gen_helper_pcistg(tcg_env, r1, r2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_stpcifc(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 r1 = tcg_constant_i32(get_field(s, r1)); |
| TCGv_i32 ar = tcg_constant_i32(get_field(s, b2)); |
| |
| gen_helper_stpcifc(tcg_env, r1, o->addr1, ar); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_sic(DisasContext *s, DisasOps *o) |
| { |
| gen_helper_sic(tcg_env, o->in1, o->in2); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_rpcit(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 r1 = tcg_constant_i32(get_field(s, r1)); |
| TCGv_i32 r2 = tcg_constant_i32(get_field(s, r2)); |
| |
| gen_helper_rpcit(tcg_env, r1, r2); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_pcistb(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 r1 = tcg_constant_i32(get_field(s, r1)); |
| TCGv_i32 r3 = tcg_constant_i32(get_field(s, r3)); |
| TCGv_i32 ar = tcg_constant_i32(get_field(s, b2)); |
| |
| gen_helper_pcistb(tcg_env, r1, r3, o->addr1, ar); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| |
| static DisasJumpType op_mpcifc(DisasContext *s, DisasOps *o) |
| { |
| TCGv_i32 r1 = tcg_constant_i32(get_field(s, r1)); |
| TCGv_i32 ar = tcg_constant_i32(get_field(s, b2)); |
| |
| gen_helper_mpcifc(tcg_env, r1, o->addr1, ar); |
| set_cc_static(s); |
| return DISAS_NEXT; |
| } |
| #endif |
| |
| #include "translate_vx.c.inc" |
| |
| /* ====================================================================== */ |
| /* The "Cc OUTput" generators. Given the generated output (and in some cases |
| the original inputs), update the various cc data structures in order to |
| be able to compute the new condition code. */ |
| |
| static void cout_abs32(DisasContext *s, DisasOps *o) |
| { |
| gen_op_update1_cc_i64(s, CC_OP_ABS_32, o->out); |
| } |
| |
| static void cout_abs64(DisasContext *s, DisasOps *o) |
| { |
| gen_op_update1_cc_i64(s, CC_OP_ABS_64, o->out); |
| } |
| |
| static void cout_adds32(DisasContext *s, DisasOps *o) |
| { |
| gen_op_update3_cc_i64(s, CC_OP_ADD_32, o->in1, o->in2, o->out); |
| } |
| |
| static void cout_adds64(DisasContext *s, DisasOps *o) |
| { |
| gen_op_update3_cc_i64(s, CC_OP_ADD_64, o->in1, o->in2, o->out); |
| } |
| |
| static void cout_addu32(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_shri_i64(cc_src, o->out, 32); |
| tcg_gen_ext32u_i64(cc_dst, o->out); |
| gen_op_update2_cc_i64(s, CC_OP_ADDU, cc_src, cc_dst); |
| } |
| |
| static void cout_addu64(DisasContext *s, DisasOps *o) |
| { |
| gen_op_update2_cc_i64(s, CC_OP_ADDU, cc_src, o->out); |
| } |
| |
| static void cout_cmps32(DisasContext *s, DisasOps *o) |
| { |
| gen_op_update2_cc_i64(s, CC_OP_LTGT_32, o->in1, o->in2); |
| } |
| |
| static void cout_cmps64(DisasContext *s, DisasOps *o) |
| { |
| gen_op_update2_cc_i64(s, CC_OP_LTGT_64, o->in1, o->in2); |
| } |
| |
| static void cout_cmpu32(DisasContext *s, DisasOps *o) |
| { |
| gen_op_update2_cc_i64(s, CC_OP_LTUGTU_32, o->in1, o->in2); |
| } |
| |
| static void cout_cmpu64(DisasContext *s, DisasOps *o) |
| { |
| gen_op_update2_cc_i64(s, CC_OP_LTUGTU_64, o->in1, o->in2); |
| } |
| |
| static void cout_f32(DisasContext *s, DisasOps *o) |
| { |
| gen_op_update1_cc_i64(s, CC_OP_NZ_F32, o->out); |
| } |
| |
| static void cout_f64(DisasContext *s, DisasOps *o) |
| { |
| gen_op_update1_cc_i64(s, CC_OP_NZ_F64, o->out); |
| } |
| |
| static void cout_f128(DisasContext *s, DisasOps *o) |
| { |
| gen_op_update2_cc_i64(s, CC_OP_NZ_F128, o->out, o->out2); |
| } |
| |
| static void cout_nabs32(DisasContext *s, DisasOps *o) |
| { |
| gen_op_update1_cc_i64(s, CC_OP_NABS_32, o->out); |
| } |
| |
| static void cout_nabs64(DisasContext *s, DisasOps *o) |
| { |
| gen_op_update1_cc_i64(s, CC_OP_NABS_64, o->out); |
| } |
| |
| static void cout_neg32(DisasContext *s, DisasOps *o) |
| { |
| gen_op_update1_cc_i64(s, CC_OP_COMP_32, o->out); |
| } |
| |
| static void cout_neg64(DisasContext *s, DisasOps *o) |
| { |
| gen_op_update1_cc_i64(s, CC_OP_COMP_64, o->out); |
| } |
| |
| static void cout_nz32(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_ext32u_i64(cc_dst, o->out); |
| gen_op_update1_cc_i64(s, CC_OP_NZ, cc_dst); |
| } |
| |
| static void cout_nz64(DisasContext *s, DisasOps *o) |
| { |
| gen_op_update1_cc_i64(s, CC_OP_NZ, o->out); |
| } |
| |
| static void cout_s32(DisasContext *s, DisasOps *o) |
| { |
| gen_op_update1_cc_i64(s, CC_OP_LTGT0_32, o->out); |
| } |
| |
| static void cout_s64(DisasContext *s, DisasOps *o) |
| { |
| gen_op_update1_cc_i64(s, CC_OP_LTGT0_64, o->out); |
| } |
| |
| static void cout_subs32(DisasContext *s, DisasOps *o) |
| { |
| gen_op_update3_cc_i64(s, CC_OP_SUB_32, o->in1, o->in2, o->out); |
| } |
| |
| static void cout_subs64(DisasContext *s, DisasOps *o) |
| { |
| gen_op_update3_cc_i64(s, CC_OP_SUB_64, o->in1, o->in2, o->out); |
| } |
| |
| static void cout_subu32(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_sari_i64(cc_src, o->out, 32); |
| tcg_gen_ext32u_i64(cc_dst, o->out); |
| gen_op_update2_cc_i64(s, CC_OP_SUBU, cc_src, cc_dst); |
| } |
| |
| static void cout_subu64(DisasContext *s, DisasOps *o) |
| { |
| gen_op_update2_cc_i64(s, CC_OP_SUBU, cc_src, o->out); |
| } |
| |
| static void cout_tm32(DisasContext *s, DisasOps *o) |
| { |
| gen_op_update2_cc_i64(s, CC_OP_TM_32, o->in1, o->in2); |
| } |
| |
| static void cout_tm64(DisasContext *s, DisasOps *o) |
| { |
| gen_op_update2_cc_i64(s, CC_OP_TM_64, o->in1, o->in2); |
| } |
| |
| static void cout_muls32(DisasContext *s, DisasOps *o) |
| { |
| gen_op_update1_cc_i64(s, CC_OP_MULS_32, o->out); |
| } |
| |
| static void cout_muls64(DisasContext *s, DisasOps *o) |
| { |
| /* out contains "high" part, out2 contains "low" part of 128 bit result */ |
| gen_op_update2_cc_i64(s, CC_OP_MULS_64, o->out, o->out2); |
| } |
| |
| /* ====================================================================== */ |
| /* The "PREParation" generators. These initialize the DisasOps.OUT fields |
| with the TCG register to which we will write. Used in combination with |
| the "wout" generators, in some cases we need a new temporary, and in |
| some cases we can write to a TCG global. */ |
| |
| static void prep_new(DisasContext *s, DisasOps *o) |
| { |
| o->out = tcg_temp_new_i64(); |
| } |
| #define SPEC_prep_new 0 |
| |
| static void prep_new_P(DisasContext *s, DisasOps *o) |
| { |
| o->out = tcg_temp_new_i64(); |
| o->out2 = tcg_temp_new_i64(); |
| } |
| #define SPEC_prep_new_P 0 |
| |
| static void prep_new_x(DisasContext *s, DisasOps *o) |
| { |
| o->out_128 = tcg_temp_new_i128(); |
| } |
| #define SPEC_prep_new_x 0 |
| |
| static void prep_r1(DisasContext *s, DisasOps *o) |
| { |
| o->out = regs[get_field(s, r1)]; |
| } |
| #define SPEC_prep_r1 0 |
| |
| static void prep_r1_P(DisasContext *s, DisasOps *o) |
| { |
| int r1 = get_field(s, r1); |
| o->out = regs[r1]; |
| o->out2 = regs[r1 + 1]; |
| } |
| #define SPEC_prep_r1_P SPEC_r1_even |
| |
| /* ====================================================================== */ |
| /* The "Write OUTput" generators. These generally perform some non-trivial |
| copy of data to TCG globals, or to main memory. The trivial cases are |
| generally handled by having a "prep" generator install the TCG global |
| as the destination of the operation. */ |
| |
| static void wout_r1(DisasContext *s, DisasOps *o) |
| { |
| store_reg(get_field(s, r1), o->out); |
| } |
| #define SPEC_wout_r1 0 |
| |
| static void wout_out2_r1(DisasContext *s, DisasOps *o) |
| { |
| store_reg(get_field(s, r1), o->out2); |
| } |
| #define SPEC_wout_out2_r1 0 |
| |
| static void wout_r1_8(DisasContext *s, DisasOps *o) |
| { |
| int r1 = get_field(s, r1); |
| tcg_gen_deposit_i64(regs[r1], regs[r1], o->out, 0, 8); |
| } |
| #define SPEC_wout_r1_8 0 |
| |
| static void wout_r1_16(DisasContext *s, DisasOps *o) |
| { |
| int r1 = get_field(s, r1); |
| tcg_gen_deposit_i64(regs[r1], regs[r1], o->out, 0, 16); |
| } |
| #define SPEC_wout_r1_16 0 |
| |
| static void wout_r1_32(DisasContext *s, DisasOps *o) |
| { |
| store_reg32_i64(get_field(s, r1), o->out); |
| } |
| #define SPEC_wout_r1_32 0 |
| |
| static void wout_r1_32h(DisasContext *s, DisasOps *o) |
| { |
| store_reg32h_i64(get_field(s, r1), o->out); |
| } |
| #define SPEC_wout_r1_32h 0 |
| |
| static void wout_r1_P32(DisasContext *s, DisasOps *o) |
| { |
| int r1 = get_field(s, r1); |
| store_reg32_i64(r1, o->out); |
| store_reg32_i64(r1 + 1, o->out2); |
| } |
| #define SPEC_wout_r1_P32 SPEC_r1_even |
| |
| static void wout_r1_D32(DisasContext *s, DisasOps *o) |
| { |
| int r1 = get_field(s, r1); |
| TCGv_i64 t = tcg_temp_new_i64(); |
| store_reg32_i64(r1 + 1, o->out); |
| tcg_gen_shri_i64(t, o->out, 32); |
| store_reg32_i64(r1, t); |
| } |
| #define SPEC_wout_r1_D32 SPEC_r1_even |
| |
| static void wout_r1_D64(DisasContext *s, DisasOps *o) |
| { |
| int r1 = get_field(s, r1); |
| tcg_gen_extr_i128_i64(regs[r1 + 1], regs[r1], o->out_128); |
| } |
| #define SPEC_wout_r1_D64 SPEC_r1_even |
| |
| static void wout_r3_P32(DisasContext *s, DisasOps *o) |
| { |
| int r3 = get_field(s, r3); |
| store_reg32_i64(r3, o->out); |
| store_reg32_i64(r3 + 1, o->out2); |
| } |
| #define SPEC_wout_r3_P32 SPEC_r3_even |
| |
| static void wout_r3_P64(DisasContext *s, DisasOps *o) |
| { |
| int r3 = get_field(s, r3); |
| store_reg(r3, o->out); |
| store_reg(r3 + 1, o->out2); |
| } |
| #define SPEC_wout_r3_P64 SPEC_r3_even |
| |
| static void wout_e1(DisasContext *s, DisasOps *o) |
| { |
| store_freg32_i64(get_field(s, r1), o->out); |
| } |
| #define SPEC_wout_e1 0 |
| |
| static void wout_f1(DisasContext *s, DisasOps *o) |
| { |
| store_freg(get_field(s, r1), o->out); |
| } |
| #define SPEC_wout_f1 0 |
| |
| static void wout_x1(DisasContext *s, DisasOps *o) |
| { |
| int f1 = get_field(s, r1); |
| |
| /* Split out_128 into out+out2 for cout_f128. */ |
| tcg_debug_assert(o->out == NULL); |
| o->out = tcg_temp_new_i64(); |
| o->out2 = tcg_temp_new_i64(); |
| |
| tcg_gen_extr_i128_i64(o->out2, o->out, o->out_128); |
| store_freg(f1, o->out); |
| store_freg(f1 + 2, o->out2); |
| } |
| #define SPEC_wout_x1 SPEC_r1_f128 |
| |
| static void wout_x1_P(DisasContext *s, DisasOps *o) |
| { |
| int f1 = get_field(s, r1); |
| store_freg(f1, o->out); |
| store_freg(f1 + 2, o->out2); |
| } |
| #define SPEC_wout_x1_P SPEC_r1_f128 |
| |
| static void wout_cond_r1r2_32(DisasContext *s, DisasOps *o) |
| { |
| if (get_field(s, r1) != get_field(s, r2)) { |
| store_reg32_i64(get_field(s, r1), o->out); |
| } |
| } |
| #define SPEC_wout_cond_r1r2_32 0 |
| |
| static void wout_cond_e1e2(DisasContext *s, DisasOps *o) |
| { |
| if (get_field(s, r1) != get_field(s, r2)) { |
| store_freg32_i64(get_field(s, r1), o->out); |
| } |
| } |
| #define SPEC_wout_cond_e1e2 0 |
| |
| static void wout_m1_8(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_qemu_st_i64(o->out, o->addr1, get_mem_index(s), MO_UB); |
| } |
| #define SPEC_wout_m1_8 0 |
| |
| static void wout_m1_16(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_qemu_st_i64(o->out, o->addr1, get_mem_index(s), MO_TEUW); |
| } |
| #define SPEC_wout_m1_16 0 |
| |
| #ifndef CONFIG_USER_ONLY |
| static void wout_m1_16a(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_qemu_st_tl(o->out, o->addr1, get_mem_index(s), MO_TEUW | MO_ALIGN); |
| } |
| #define SPEC_wout_m1_16a 0 |
| #endif |
| |
| static void wout_m1_32(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_qemu_st_i64(o->out, o->addr1, get_mem_index(s), MO_TEUL); |
| } |
| #define SPEC_wout_m1_32 0 |
| |
| #ifndef CONFIG_USER_ONLY |
| static void wout_m1_32a(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_qemu_st_tl(o->out, o->addr1, get_mem_index(s), MO_TEUL | MO_ALIGN); |
| } |
| #define SPEC_wout_m1_32a 0 |
| #endif |
| |
| static void wout_m1_64(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_qemu_st_i64(o->out, o->addr1, get_mem_index(s), MO_TEUQ); |
| } |
| #define SPEC_wout_m1_64 0 |
| |
| #ifndef CONFIG_USER_ONLY |
| static void wout_m1_64a(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_qemu_st_i64(o->out, o->addr1, get_mem_index(s), MO_TEUQ | MO_ALIGN); |
| } |
| #define SPEC_wout_m1_64a 0 |
| #endif |
| |
| static void wout_m2_32(DisasContext *s, DisasOps *o) |
| { |
| tcg_gen_qemu_st_i64(o->out, o->in2, get_mem_index(s), MO_TEUL); |
| } |
| #define SPEC_wout_m2_32 0 |
| |
| static void wout_in2_r1(DisasContext *s, DisasOps *o) |
| { |
| store_reg(get_field(s, r1), o->in2); |
| } |
| #define SPEC_wout_in2_r1 0 |
| |
| static void wout_in2_r1_32(DisasContext *s, DisasOps *o) |
| { |
| store_reg32_i64(get_field(s, r1), o->in2); |
| } |
| #define SPEC_wout_in2_r1_32 0 |
| |
| /* ====================================================================== */ |
| /* The "INput 1" generators. These load the first operand to an insn. */ |
| |
| static void in1_r1(DisasContext *s, DisasOps *o) |
| { |
| o->in1 = load_reg(get_field(s, r1)); |
| } |
| #define SPEC_in1_r1 0 |
| |
| static void in1_r1_o(DisasContext *s, DisasOps *o) |
| { |
| o->in1 = regs[get_field(s, r1)]; |
| } |
| #define SPEC_in1_r1_o 0 |
| |
| static void in1_r1_32s(DisasContext *s, DisasOps *o) |
| { |
| o->in1 = tcg_temp_new_i64(); |
| tcg_gen_ext32s_i64(o->in1, regs[get_field(s, r1)]); |
| } |
| #define SPEC_in1_r1_32s 0 |
| |
| static void in1_r1_32u(DisasContext *s, DisasOps *o) |
| { |
| o->in1 = tcg_temp_new_i64(); |
| tcg_gen_ext32u_i64(o->in1, regs[get_field(s, r1)]); |
| } |
| #define SPEC_in1_r1_32u 0 |
| |
| static void in1_r1_sr32(DisasContext *s, DisasOps *o) |
| { |
| o->in1 = tcg_temp_new_i64(); |
| tcg_gen_shri_i64(o->in1, regs[get_field(s, r1)], 32); |
| } |
| #define SPEC_in1_r1_sr32 0 |
| |
| static void in1_r1p1(DisasContext *s, DisasOps *o) |
| { |
| o->in1 = load_reg(get_field(s, r1) + 1); |
| } |
| #define SPEC_in1_r1p1 SPEC_r1_even |
| |
| static void in1_r1p1_o(DisasContext *s, DisasOps *o) |
| { |
| o->in1 = regs[get_field(s, r1) + 1]; |
| } |
| #define SPEC_in1_r1p1_o SPEC_r1_even |
| |
| static void in1_r1p1_32s(DisasContext *s, DisasOps *o) |
| { |
| o->in1 = tcg_temp_new_i64(); |
| tcg_gen_ext32s_i64(o->in1, regs[get_field(s, r1) + 1]); |
| } |
| #define SPEC_in1_r1p1_32s SPEC_r1_even |
| |
| static void in1_r1p1_32u(DisasContext *s, DisasOps *o) |
| { |
| o->in1 = tcg_temp_new_i64(); |
| tcg_gen_ext32u_i64(o->in1, regs[get_field(s, r1) + 1]); |
| } |
| #define SPEC_in1_r1p1_32u SPEC_r1_even |
| |
| static void in1_r1_D32(DisasContext *s, DisasOps *o) |
| { |
| int r1 = get_field(s, r1); |
| o->in1 = tcg_temp_new_i64(); |
| tcg_gen_concat32_i64(o->in1, regs[r1 + 1], regs[r1]); |
| } |
| #define SPEC_in1_r1_D32 SPEC_r1_even |
| |
| static void in1_r2(DisasContext *s, DisasOps *o) |
| { |
| o->in1 = load_reg(get_field(s, r2)); |
| } |
| #define SPEC_in1_r2 0 |
| |
| static void in1_r2_sr32(DisasContext *s, DisasOps *o) |
| { |
| o->in1 = tcg_temp_new_i64(); |
| tcg_gen_shri_i64(o->in1, regs[get_field(s, r2)], 32); |
| } |
| #define SPEC_in1_r2_sr32 0 |
| |
| static void in1_r2_32u(DisasContext *s, DisasOps *o) |
| { |
| o->in1 = tcg_temp_new_i64(); |
| tcg_gen_ext32u_i64(o->in1, regs[get_field(s, r2)]); |
| } |
| #define SPEC_in1_r2_32u 0 |
| |
| static void in1_r3(DisasContext *s, DisasOps *o) |
| { |
| o->in1 = load_reg(get_field(s, r3)); |
| } |
| #define SPEC_in1_r3 0 |
| |
| static void in1_r3_o(DisasContext *s, DisasOps *o) |
| { |
| o->in1 = regs[get_field(s, r3)]; |
| } |
| #define SPEC_in1_r3_o 0 |
| |
| static void in1_r3_32s(DisasContext *s, DisasOps *o) |
| { |
| o->in1 = tcg_temp_new_i64(); |
| tcg_gen_ext32s_i64(o->in1, regs[get_field(s, r3)]); |
| } |
| #define SPEC_in1_r3_32s 0 |
| |
| static void in1_r3_32u(DisasContext *s, DisasOps *o) |
| { |
| o->in1 = tcg_temp_new_i64(); |
| tcg_gen_ext32u_i64(o->in1, regs[get_field(s, r3)]); |
| } |
| #define SPEC_in1_r3_32u 0 |
| |
| static void in1_r3_D32(DisasContext *s, DisasOps *o) |
| { |
| int r3 = get_field(s, r3); |
| o->in1 = tcg_temp_new_i64(); |
| tcg_gen_concat32_i64(o->in1, regs[r3 + 1], regs[r3]); |
| } |
| #define SPEC_in1_r3_D32 SPEC_r3_even |
| |
| static void in1_r3_sr32(DisasContext *s, DisasOps *o) |
| { |
| o->in1 = tcg_temp_new_i64(); |
| tcg_gen_shri_i64(o->in1, regs[get_field(s, r3)], 32); |
| } |
| #define SPEC_in1_r3_sr32 0 |
| |
| static void in1_e1(DisasContext *s, DisasOps *o) |
| { |
| o->in1 = load_freg32_i64(get_field(s, r1)); |
| } |
| #define SPEC_in1_e1 0 |
| |
| static void in1_f1(DisasContext *s, DisasOps *o) |
| { |
| o->in1 = load_freg(get_field(s, r1)); |
| } |
| #define SPEC_in1_f1 0 |
| |
| static void in1_x1(DisasContext *s, DisasOps *o) |
| { |
| o->in1_128 = load_freg_128(get_field(s, r1)); |
| } |
| #define SPEC_in1_x1 SPEC_r1_f128 |
| |
| /* Load the high double word of an extended (128-bit) format FP number */ |
| static void in1_x2h(DisasContext *s, DisasOps *o) |
| { |
| o->in1 = load_freg(get_field(s, r2)); |
| } |
| #define SPEC_in1_x2h SPEC_r2_f128 |
| |
| static void in1_f3(DisasContext *s, DisasOps *o) |
| { |
| o->in1 = load_freg(get_field(s, r3)); |
| } |
| #define SPEC_in1_f3 0 |
| |
| static void in1_la1(DisasContext *s, DisasOps *o) |
| { |
| o->addr1 = get_address(s, 0, get_field(s, b1), get_field(s, d1)); |
| } |
| #define SPEC_in1_la1 0 |
| |
| static void in1_la2(DisasContext *s, DisasOps *o) |
| { |
| int x2 = have_field(s, x2) ? get_field(s, x2) : 0; |
| o->addr1 = get_address(s, x2, get_field(s, b2), get_field(s, d2)); |
| } |
| #define SPEC_in1_la2 0 |
| |
| static void in1_m1_8u(DisasContext *s, DisasOps *o) |
| { |
| in1_la1(s, o); |
| o->in1 = tcg_temp_new_i64(); |
| tcg_gen_qemu_ld_i64(o->in1, o->addr1, get_mem_index(s), MO_UB); |
| } |
| #define SPEC_in1_m1_8u 0 |
| |
| static void in1_m1_16s(DisasContext *s, DisasOps *o) |
| { |
| in1_la1(s, o); |
| o->in1 = tcg_temp_new_i64(); |
| tcg_gen_qemu_ld_i64(o->in1, o->addr1, get_mem_index(s), MO_TESW); |
| } |
| #define SPEC_in1_m1_16s 0 |
| |
| static void in1_m1_16u(DisasContext *s, DisasOps *o) |
| { |
| in1_la1(s, o); |
| o->in1 = tcg_temp_new_i64(); |
| tcg_gen_qemu_ld_i64(o->in1, o->addr1, get_mem_index(s), MO_TEUW); |
| } |
| #define SPEC_in1_m1_16u 0 |
| |
| static void in1_m1_32s(DisasContext *s, DisasOps *o) |
| { |
| in1_la1(s, o); |
| o->in1 = tcg_temp_new_i64(); |
| tcg_gen_qemu_ld_i64(o->in1, o->addr1, get_mem_index(s), MO_TESL); |
| } |
| #define SPEC_in1_m1_32s 0 |
| |
| static void in1_m1_32u(DisasContext *s, DisasOps *o) |
| { |
| in1_la1(s, o); |
| o->in1 = tcg_temp_new_i64(); |
| tcg_gen_qemu_ld_i64(o->in1, o->addr1, get_mem_index(s), MO_TEUL); |
| } |
| #define SPEC_in1_m1_32u 0 |
| |
| static void in1_m1_64(DisasContext *s, DisasOps *o) |
| { |
| in1_la1(s, o); |
| o->in1 = tcg_temp_new_i64(); |
| tcg_gen_qemu_ld_i64(o->in1, o->addr1, get_mem_index(s), MO_TEUQ); |
| } |
| #define SPEC_in1_m1_64 0 |
| |
| /* ====================================================================== */ |
| /* The "INput 2" generators. These load the second operand to an insn. */ |
| |
| static void in2_r1_o(DisasContext *s, DisasOps *o) |
| { |
| o->in2 = regs[get_field(s, r1)]; |
| } |
| #define SPEC_in2_r1_o 0 |
| |
| static void in2_r1_16u(DisasContext *s, DisasOps *o) |
| { |
| o->in2 = tcg_temp_new_i64(); |
| tcg_gen_ext16u_i64(o->in2, regs[get_field(s, r1)]); |
| } |
| #define SPEC_in2_r1_16u 0 |
| |
| static void in2_r1_32u(DisasContext *s, DisasOps *o) |
| { |
| o->in2 = tcg_temp_new_i64(); |
| tcg_gen_ext32u_i64(o->in2, regs[get_field(s, r1)]); |
| } |
| #define SPEC_in2_r1_32u 0 |
| |
| static void in2_r1_D32(DisasContext *s, DisasOps *o) |
| { |
| int r1 = get_field(s, r1); |
| o->in2 = tcg_temp_new_i64(); |
| tcg_gen_concat32_i64(o->in2, regs[r1 + 1], regs[r1]); |
| } |
| #define SPEC_in2_r1_D32 SPEC_r1_even |
| |
| static void in2_r2(DisasContext *s, DisasOps *o) |
| { |
| o->in2 = load_reg(get_field(s, r2)); |
| } |
| #define SPEC_in2_r2 0 |
| |
| static void in2_r2_o(DisasContext *s, DisasOps *o) |
| { |
| o->in2 = regs[get_field(s, r2)]; |
| } |
| #define SPEC_in2_r2_o 0 |
| |
| static void in2_r2_nz(DisasContext *s, DisasOps *o) |
| { |
| int r2 = get_field(s, r2); |
| if (r2 != 0) { |
| o->in2 = load_reg(r2); |
| } |
| } |
| #define SPEC_in2_r2_nz 0 |
| |
| static void in2_r2_8s(DisasContext *s, DisasOps *o) |
| { |
| o->in2 = tcg_temp_new_i64(); |
| tcg_gen_ext8s_i64(o->in2, regs[get_field(s, r2)]); |
| } |
| #define SPEC_in2_r2_8s 0 |
| |
| static void in2_r2_8u(DisasContext *s, DisasOps *o) |
| { |
| o->in2 = tcg_temp_new_i64(); |
| tcg_gen_ext8u_i64(o->in2, regs[get_field(s, r2)]); |
| } |
| #define SPEC_in2_r2_8u 0 |
| |
| static void in2_r2_16s(DisasContext *s, DisasOps *o) |
| { |
| o->in2 = tcg_temp_new_i64(); |
| tcg_gen_ext16s_i64(o->in2, regs[get_field(s, r2)]); |
| } |
| #define SPEC_in2_r2_16s 0 |
| |
| static void in2_r2_16u(DisasContext *s, DisasOps *o) |
| { |
| o->in2 = tcg_temp_new_i64(); |
| tcg_gen_ext16u_i64(o->in2, regs[get_field(s, r2)]); |
| } |
| #define SPEC_in2_r2_16u 0 |
| |
| static void in2_r3(DisasContext *s, DisasOps *o) |
| { |
| o->in2 = load_reg(get_field(s, r3)); |
| } |
| #define SPEC_in2_r3 0 |
| |
| static void in2_r3_D64(DisasContext *s, DisasOps *o) |
| { |
| int r3 = get_field(s, r3); |
| o->in2_128 = tcg_temp_new_i128(); |
| tcg_gen_concat_i64_i128(o->in2_128, regs[r3 + 1], regs[r3]); |
| } |
| #define SPEC_in2_r3_D64 SPEC_r3_even |
| |
| static void in2_r3_sr32(DisasContext *s, DisasOps *o) |
| { |
| o->in2 = tcg_temp_new_i64(); |
| tcg_gen_shri_i64(o->in2, regs[get_field(s, r3)], 32); |
| } |
| #define SPEC_in2_r3_sr32 0 |
| |
| static void in2_r3_32u(DisasContext *s, DisasOps *o) |
| { |
| o->in2 = tcg_temp_new_i64(); |
| tcg_gen_ext32u_i64(o->in2, regs[get_field(s, r3)]); |
| } |
| #define SPEC_in2_r3_32u 0 |
| |
| static void in2_r2_32s(DisasContext *s, DisasOps *o) |
| { |
| o->in2 = tcg_temp_new_i64(); |
| tcg_gen_ext32s_i64(o->in2, regs[get_field(s, r2)]); |
| } |
| #define SPEC_in2_r2_32s 0 |
| |
| static void in2_r2_32u(DisasContext *s, DisasOps *o) |
| { |
| o->in2 = tcg_temp_new_i64(); |
| tcg_gen_ext32u_i64(o->in2, regs[get_field(s, r2)]); |
| } |
| #define SPEC_in2_r2_32u 0 |
| |
| static void in2_r2_sr32(DisasContext *s, DisasOps *o) |
| { |
| o->in2 = tcg_temp_new_i64(); |
| tcg_gen_shri_i64(o->in2, regs[get_field(s, r2)], 32); |
| } |
| #define SPEC_in2_r2_sr32 0 |
| |
| static void in2_e2(DisasContext *s, DisasOps *o) |
| { |
| o->in2 = load_freg32_i64(get_field(s, r2)); |
| } |
| #define SPEC_in2_e2 0 |
| |
| static void in2_f2(DisasContext *s, DisasOps *o) |
| { |
| o->in2 = load_freg(get_field(s, r2)); |
| } |
| #define SPEC_in2_f2 0 |
| |
| static void in2_x2(DisasContext *s, DisasOps *o) |
| { |
| o->in2_128 = load_freg_128(get_field(s, r2)); |
| } |
| #define SPEC_in2_x2 SPEC_r2_f128 |
| |
| /* Load the low double word of an extended (128-bit) format FP number */ |
| static void in2_x2l(DisasContext *s, DisasOps *o) |
| { |
| o->in2 = load_freg(get_field(s, r2) + 2); |
| } |
| #define SPEC_in2_x2l SPEC_r2_f128 |
| |
| static void in2_ra2(DisasContext *s, DisasOps *o) |
| { |
| int r2 = get_field(s, r2); |
| |
| /* Note: *don't* treat !r2 as 0, use the reg value. */ |
| o->in2 = tcg_temp_new_i64(); |
| gen_addi_and_wrap_i64(s, o->in2, regs[r2], 0); |
| } |
| #define SPEC_in2_ra2 0 |
| |
| static void in2_ra2_E(DisasContext *s, DisasOps *o) |
| { |
| return in2_ra2(s, o); |
| } |
| #define SPEC_in2_ra2_E SPEC_r2_even |
| |
| static void in2_a2(DisasContext *s, DisasOps *o) |
| { |
| int x2 = have_field(s, x2) ? get_field(s, x2) : 0; |
| o->in2 = get_address(s, x2, get_field(s, b2), get_field(s, d2)); |
| } |
| #define SPEC_in2_a2 0 |
| |
| static TCGv gen_ri2(DisasContext *s) |
| { |
| TCGv ri2 = NULL; |
| bool is_imm; |
| int imm; |
| |
| disas_jdest(s, i2, is_imm, imm, ri2); |
| if (is_imm) { |
| ri2 = tcg_constant_i64(s->base.pc_next + (int64_t)imm * 2); |
| } |
| |
| return ri2; |
| } |
| |
| static void in2_ri2(DisasContext *s, DisasOps *o) |
| { |
| o->in2 = gen_ri2(s); |
| } |
| #define SPEC_in2_ri2 0 |
| |
| static void in2_sh(DisasContext *s, DisasOps *o) |
| { |
| int b2 = get_field(s, b2); |
| int d2 = get_field(s, d2); |
| |
| if (b2 == 0) { |
| o->in2 = tcg_constant_i64(d2 & 0x3f); |
| } else { |
| o->in2 = get_address(s, 0, b2, d2); |
| tcg_gen_andi_i64(o->in2, o->in2, 0x3f); |
| } |
| } |
| #define SPEC_in2_sh 0 |
| |
| static void in2_m2_8u(DisasContext *s, DisasOps *o) |
| { |
| in2_a2(s, o); |
| tcg_gen_qemu_ld_i64(o->in2, o->in2, get_mem_index(s), MO_UB); |
| } |
| #define SPEC_in2_m2_8u 0 |
| |
| static void in2_m2_16s(DisasContext *s, DisasOps *o) |
| { |
| in2_a2(s, o); |
| tcg_gen_qemu_ld_i64(o->in2, o->in2, get_mem_index(s), MO_TESW); |
| } |
| #define SPEC_in2_m2_16s 0 |
| |
| static void in2_m2_16u(DisasContext *s, DisasOps *o) |
| { |
| in2_a2(s, o); |
| tcg_gen_qemu_ld_i64(o->in2, o->in2, get_mem_index(s), MO_TEUW); |
| } |
| #define SPEC_in2_m2_16u 0 |
| |
| static void in2_m2_32s(DisasContext *s, DisasOps *o) |
| { |
| in2_a2(s, o); |
| tcg_gen_qemu_ld_i64(o->in2, o->in2, get_mem_index(s), MO_TESL); |
| } |
| #define SPEC_in2_m2_32s 0 |
| |
| static void in2_m2_32u(DisasContext *s, DisasOps *o) |
| { |
| in2_a2(s, o); |
| tcg_gen_qemu_ld_i64(o->in2, o->in2, get_mem_index(s), MO_TEUL); |
| } |
| #define SPEC_in2_m2_32u 0 |
| |
| #ifndef CONFIG_USER_ONLY |
| static void in2_m2_32ua(DisasContext *s, DisasOps *o) |
| { |
| in2_a2(s, o); |
| tcg_gen_qemu_ld_tl(o->in2, o->in2, get_mem_index(s), MO_TEUL | MO_ALIGN); |
| } |
| #define SPEC_in2_m2_32ua 0 |
| #endif |
| |
| static void in2_m2_64(DisasContext *s, DisasOps *o) |
| { |
| in2_a2(s, o); |
| tcg_gen_qemu_ld_i64(o->in2, o->in2, get_mem_index(s), MO_TEUQ); |
| } |
| #define SPEC_in2_m2_64 0 |
| |
| static void in2_m2_64w(DisasContext *s, DisasOps *o) |
| { |
| in2_a2(s, o); |
| tcg_gen_qemu_ld_i64(o->in2, o->in2, get_mem_index(s), MO_TEUQ); |
| gen_addi_and_wrap_i64(s, o->in2, o->in2, 0); |
| } |
| #define SPEC_in2_m2_64w 0 |
| |
| #ifndef CONFIG_USER_ONLY |
| static void in2_m2_64a(DisasContext *s, DisasOps *o) |
| { |
| in2_a2(s, o); |
| tcg_gen_qemu_ld_i64(o->in2, o->in2, get_mem_index(s), MO_TEUQ | MO_ALIGN); |
| } |
| #define SPEC_in2_m2_64a 0 |
| #endif |
| |
| static void in2_mri2_16s(DisasContext *s, DisasOps *o) |
| { |
| o->in2 = tcg_temp_new_i64(); |
| tcg_gen_qemu_ld_i64(o->in2, gen_ri2(s), get_mem_index(s), MO_TESW); |
| } |
| #define SPEC_in2_mri2_16s 0 |
| |
| static void in2_mri2_16u(DisasContext *s, DisasOps *o) |
| { |
| o->in2 = tcg_temp_new_i64(); |
| tcg_gen_qemu_ld_i64(o->in2, gen_ri2(s), get_mem_index(s), MO_TEUW); |
| } |
| #define SPEC_in2_mri2_16u 0 |
| |
| static void in2_mri2_32s(DisasContext *s, DisasOps *o) |
| { |
| o->in2 = tcg_temp_new_i64(); |
| tcg_gen_qemu_ld_tl(o->in2, gen_ri2(s), get_mem_index(s), |
| MO_TESL | MO_ALIGN); |
| } |
| #define SPEC_in2_mri2_32s 0 |
| |
| static void in2_mri2_32u(DisasContext *s, DisasOps *o) |
| { |
| o->in2 = tcg_temp_new_i64(); |
| tcg_gen_qemu_ld_tl(o->in2, gen_ri2(s), get_mem_index(s), |
| MO_TEUL | MO_ALIGN); |
| } |
| #define SPEC_in2_mri2_32u 0 |
| |
| static void in2_mri2_64(DisasContext *s, DisasOps *o) |
| { |
| o->in2 = tcg_temp_new_i64(); |
| tcg_gen_qemu_ld_i64(o->in2, gen_ri2(s), get_mem_index(s), |
| MO_TEUQ | MO_ALIGN); |
| } |
| #define SPEC_in2_mri2_64 0 |
| |
| static void in2_i2(DisasContext *s, DisasOps *o) |
| { |
| o->in2 = tcg_constant_i64(get_field(s, i2)); |
| } |
| #define SPEC_in2_i2 0 |
| |
| static void in2_i2_8u(DisasContext *s, DisasOps *o) |
| { |
| o->in2 = tcg_constant_i64((uint8_t)get_field(s, i2)); |
| } |
| #define SPEC_in2_i2_8u 0 |
| |
| static void in2_i2_16u(DisasContext *s, DisasOps *o) |
| { |
| o->in2 = tcg_constant_i64((uint16_t)get_field(s, i2)); |
| } |
| #define SPEC_in2_i2_16u 0 |
| |
| static void in2_i2_32u(DisasContext *s, DisasOps *o) |
| { |
| o->in2 = tcg_constant_i64((uint32_t)get_field(s, i2)); |
| } |
| #define SPEC_in2_i2_32u 0 |
| |
| static void in2_i2_16u_shl(DisasContext *s, DisasOps *o) |
| { |
| uint64_t i2 = (uint16_t)get_field(s, i2); |
| o->in2 = tcg_constant_i64(i2 << s->insn->data); |
| } |
| #define SPEC_in2_i2_16u_shl 0 |
| |
| static void in2_i2_32u_shl(DisasContext *s, DisasOps *o) |
| { |
| uint64_t i2 = (uint32_t)get_field(s, i2); |
| o->in2 = tcg_constant_i64(i2 << s->insn->data); |
| } |
| #define SPEC_in2_i2_32u_shl 0 |
| |
| #ifndef CONFIG_USER_ONLY |
| static void in2_insn(DisasContext *s, DisasOps *o) |
| { |
| o->in2 = tcg_constant_i64(s->fields.raw_insn); |
| } |
| #define SPEC_in2_insn 0 |
| #endif |
| |
| /* ====================================================================== */ |
| |
| /* Find opc within the table of insns. This is formulated as a switch |
| statement so that (1) we get compile-time notice of cut-paste errors |
| for duplicated opcodes, and (2) the compiler generates the binary |
| search tree, rather than us having to post-process the table. */ |
| |
| #define C(OPC, NM, FT, FC, I1, I2, P, W, OP, CC) \ |
| E(OPC, NM, FT, FC, I1, I2, P, W, OP, CC, 0, 0) |
| |
| #define D(OPC, NM, FT, FC, I1, I2, P, W, OP, CC, D) \ |
| E(OPC, NM, FT, FC, I1, I2, P, W, OP, CC, D, 0) |
| |
| #define F(OPC, NM, FT, FC, I1, I2, P, W, OP, CC, FL) \ |
| E(OPC, NM, FT, FC, I1, I2, P, W, OP, CC, 0, FL) |
| |
| #define E(OPC, NM, FT, FC, I1, I2, P, W, OP, CC, D, FL) insn_ ## NM, |
| |
| enum DisasInsnEnum { |
| #include "insn-data.h.inc" |
| }; |
| |
| #undef E |
| #define E(OPC, NM, FT, FC, I1, I2, P, W, OP, CC, D, FL) { \ |
| .opc = OPC, \ |
| .flags = FL, \ |
| .fmt = FMT_##FT, \ |
| .fac = FAC_##FC, \ |
| .spec = SPEC_in1_##I1 | SPEC_in2_##I2 | SPEC_prep_##P | SPEC_wout_##W, \ |
| .name = #NM, \ |
| .help_in1 = in1_##I1, \ |
| .help_in2 = in2_##I2, \ |
| .help_prep = prep_##P, \ |
| .help_wout = wout_##W, \ |
| .help_cout = cout_##CC, \ |
| .help_op = op_##OP, \ |
| .data = D \ |
| }, |
| |
| /* Allow 0 to be used for NULL in the table below. */ |
| #define in1_0 NULL |
| #define in2_0 NULL |
| #define prep_0 NULL |
| #define wout_0 NULL |
| #define cout_0 NULL |
| #define op_0 NULL |
| |
| #define SPEC_in1_0 0 |
| #define SPEC_in2_0 0 |
| #define SPEC_prep_0 0 |
| #define SPEC_wout_0 0 |
| |
| /* Give smaller names to the various facilities. */ |
| #define FAC_Z S390_FEAT_ZARCH |
| #define FAC_CASS S390_FEAT_COMPARE_AND_SWAP_AND_STORE |
| #define FAC_DFP S390_FEAT_DFP |
| #define FAC_DFPR S390_FEAT_FLOATING_POINT_SUPPORT_ENH /* DFP-rounding */ |
| #define FAC_DO S390_FEAT_STFLE_45 /* distinct-operands */ |
| #define FAC_EE S390_FEAT_EXECUTE_EXT |
| #define FAC_EI S390_FEAT_EXTENDED_IMMEDIATE |
| #define FAC_FPE S390_FEAT_FLOATING_POINT_EXT |
| #define FAC_FPSSH S390_FEAT_FLOATING_POINT_SUPPORT_ENH /* FPS-sign-handling */ |
| #define FAC_FPRGR S390_FEAT_FLOATING_POINT_SUPPORT_ENH /* FPR-GR-transfer */ |
| #define FAC_GIE S390_FEAT_GENERAL_INSTRUCTIONS_EXT |
| #define FAC_HFP_MA S390_FEAT_HFP_MADDSUB |
| #define FAC_HW S390_FEAT_STFLE_45 /* high-word */ |
| #define FAC_IEEEE_SIM S390_FEAT_FLOATING_POINT_SUPPORT_ENH /* IEEE-exception-simulation */ |
| #define FAC_MIE S390_FEAT_STFLE_49 /* misc-instruction-extensions */ |
| #define FAC_LAT S390_FEAT_STFLE_49 /* load-and-trap */ |
| #define FAC_LOC S390_FEAT_STFLE_45 /* load/store on condition 1 */ |
| #define FAC_LOC2 S390_FEAT_STFLE_53 /* load/store on condition 2 */ |
| #define FAC_LD S390_FEAT_LONG_DISPLACEMENT |
| #define FAC_PC S390_FEAT_STFLE_45 /* population count */ |
| #define FAC_SCF S390_FEAT_STORE_CLOCK_FAST |
| #define FAC_SFLE S390_FEAT_STFLE |
| #define FAC_ILA S390_FEAT_STFLE_45 /* interlocked-access-facility 1 */ |
| #define FAC_MVCOS S390_FEAT_MOVE_WITH_OPTIONAL_SPEC |
| #define FAC_LPP S390_FEAT_SET_PROGRAM_PARAMETERS /* load-program-parameter */ |
| #define FAC_DAT_ENH S390_FEAT_DAT_ENH |
| #define FAC_E2 S390_FEAT_EXTENDED_TRANSLATION_2 |
| #define FAC_EH S390_FEAT_STFLE_49 /* execution-hint */ |
| #define FAC_PPA S390_FEAT_STFLE_49 /* processor-assist */ |
| #define FAC_LZRB S390_FEAT_STFLE_53 /* load-and-zero-rightmost-byte */ |
| #define FAC_ETF3 S390_FEAT_EXTENDED_TRANSLATION_3 |
| #define FAC_MSA S390_FEAT_MSA /* message-security-assist facility */ |
| #define FAC_MSA3 S390_FEAT_MSA_EXT_3 /* msa-extension-3 facility */ |
| #define FAC_MSA4 S390_FEAT_MSA_EXT_4 /* msa-extension-4 facility */ |
| #define FAC_MSA5 S390_FEAT_MSA_EXT_5 /* msa-extension-5 facility */ |
| #define FAC_MSA8 S390_FEAT_MSA_EXT_8 /* msa-extension-8 facility */ |
| #define FAC_ECT S390_FEAT_EXTRACT_CPU_TIME |
| #define FAC_PCI S390_FEAT_ZPCI /* z/PCI facility */ |
| #define FAC_AIS S390_FEAT_ADAPTER_INT_SUPPRESSION |
| #define FAC_V S390_FEAT_VECTOR /* vector facility */ |
| #define FAC_VE S390_FEAT_VECTOR_ENH /* vector enhancements facility 1 */ |
| #define FAC_VE2 S390_FEAT_VECTOR_ENH2 /* vector enhancements facility 2 */ |
| #define FAC_MIE2 S390_FEAT_MISC_INSTRUCTION_EXT2 /* miscellaneous-instruction-extensions facility 2 */ |
| #define FAC_MIE3 S390_FEAT_MISC_INSTRUCTION_EXT3 /* miscellaneous-instruction-extensions facility 3 */ |
| |
| static const DisasInsn insn_info[] = { |
| #include "insn-data.h.inc" |
| }; |
| |
| #undef E |
| #define E(OPC, NM, FT, FC, I1, I2, P, W, OP, CC, D, FL) \ |
| case OPC: return &insn_info[insn_ ## NM]; |
| |
| static const DisasInsn *lookup_opc(uint16_t opc) |
| { |
| switch (opc) { |
| #include "insn-data.h.inc" |
| default: |
| return NULL; |
| } |
| } |
| |
| #undef F |
| #undef E |
| #undef D |
| #undef C |
| |
| /* Extract a field from the insn. The INSN should be left-aligned in |
| the uint64_t so that we can more easily utilize the big-bit-endian |
| definitions we extract from the Principals of Operation. */ |
| |
| static void extract_field(DisasFields *o, const DisasField *f, uint64_t insn) |
| { |
| uint32_t r, m; |
| |
| if (f->size == 0) { |
| return; |
| } |
| |
| /* Zero extract the field from the insn. */ |
| r = (insn << f->beg) >> (64 - f->size); |
| |
| /* Sign-extend, or un-swap the field as necessary. */ |
| switch (f->type) { |
| case 0: /* unsigned */ |
| break; |
| case 1: /* signed */ |
| assert(f->size <= 32); |
| m = 1u << (f->size - 1); |
| r = (r ^ m) - m; |
| break; |
| case 2: /* dl+dh split, signed 20 bit. */ |
| r = ((int8_t)r << 12) | (r >> 8); |
| break; |
| case 3: /* MSB stored in RXB */ |
| g_assert(f->size == 4); |
| switch (f->beg) { |
| case 8: |
| r |= extract64(insn, 63 - 36, 1) << 4; |
| break; |
| case 12: |
| r |= extract64(insn, 63 - 37, 1) << 4; |
| break; |
| case 16: |
| r |= extract64(insn, 63 - 38, 1) << 4; |
| break; |
| case 32: |
| r |= extract64(insn, 63 - 39, 1) << 4; |
| break; |
| default: |
| g_assert_not_reached(); |
| } |
| break; |
| default: |
| abort(); |
| } |
| |
| /* |
| * Validate that the "compressed" encoding we selected above is valid. |
| * I.e. we haven't made two different original fields overlap. |
| */ |
| assert(((o->presentC >> f->indexC) & 1) == 0); |
| o->presentC |= 1 << f->indexC; |
| o->presentO |= 1 << f->indexO; |
| |
| o->c[f->indexC] = r; |
| } |
| |
| /* Lookup the insn at the current PC, extracting the operands into O and |
| returning the info struct for the insn. Returns NULL for invalid insn. */ |
| |
| static const DisasInsn *extract_insn(CPUS390XState *env, DisasContext *s) |
| { |
| uint64_t insn, pc = s->base.pc_next; |
| int op, op2, ilen; |
| const DisasInsn *info; |
| |
| if (unlikely(s->ex_value)) { |
| uint64_t be_insn; |
| |
| /* Drop the EX data now, so that it's clear on exception paths. */ |
| tcg_gen_st_i64(tcg_constant_i64(0), tcg_env, |
| offsetof(CPUS390XState, ex_value)); |
| |
| /* Extract the values saved by EXECUTE. */ |
| insn = s->ex_value & 0xffffffffffff0000ull; |
| ilen = s->ex_value & 0xf; |
| op = insn >> 56; |
| |
| /* Register insn bytes with translator so plugins work. */ |
| be_insn = cpu_to_be64(insn); |
| translator_fake_ld(&s->base, &be_insn, get_ilen(op)); |
| } else { |
| insn = ld_code2(env, s, pc); |
| op = (insn >> 8) & 0xff; |
| ilen = get_ilen(op); |
| switch (ilen) { |
| case 2: |
| insn = insn << 48; |
| break; |
| case 4: |
| insn = ld_code4(env, s, pc) << 32; |
| break; |
| case 6: |
| insn = (insn << 48) | (ld_code4(env, s, pc + 2) << 16); |
| break; |
| default: |
| g_assert_not_reached(); |
| } |
| } |
| s->pc_tmp = s->base.pc_next + ilen; |
| s->ilen = ilen; |
| |
| /* We can't actually determine the insn format until we've looked up |
| the full insn opcode. Which we can't do without locating the |
| secondary opcode. Assume by default that OP2 is at bit 40; for |
| those smaller insns that don't actually have a secondary opcode |
| this will correctly result in OP2 = 0. */ |
| switch (op) { |
| case 0x01: /* E */ |
| case 0x80: /* S */ |
| case 0x82: /* S */ |
| case 0x93: /* S */ |
| case 0xb2: /* S, RRF, RRE, IE */ |
| case 0xb3: /* RRE, RRD, RRF */ |
| case 0xb9: /* RRE, RRF */ |
| case 0xe5: /* SSE, SIL */ |
| op2 = (insn << 8) >> 56; |
| break; |
| case 0xa5: /* RI */ |
| case 0xa7: /* RI */ |
| case 0xc0: /* RIL */ |
| case 0xc2: /* RIL */ |
| case 0xc4: /* RIL */ |
| case 0xc6: /* RIL */ |
| case 0xc8: /* SSF */ |
| case 0xcc: /* RIL */ |
| op2 = (insn << 12) >> 60; |
| break; |
| case 0xc5: /* MII */ |
| case 0xc7: /* SMI */ |
| case 0xd0 ... 0xdf: /* SS */ |
| case 0xe1: /* SS */ |
| case 0xe2: /* SS */ |
| case 0xe8: /* SS */ |
| case 0xe9: /* SS */ |
| case 0xea: /* SS */ |
| case 0xee ... 0xf3: /* SS */ |
| case 0xf8 ... 0xfd: /* SS */ |
| op2 = 0; |
| break; |
| default: |
| op2 = (insn << 40) >> 56; |
| break; |
| } |
| |
| memset(&s->fields, 0, sizeof(s->fields)); |
| s->fields.raw_insn = insn; |
| s->fields.op = op; |
| s->fields.op2 = op2; |
| |
| /* Lookup the instruction. */ |
| info = lookup_opc(op << 8 | op2); |
| s->insn = info; |
| |
| /* If we found it, extract the operands. */ |
| if (info != NULL) { |
| DisasFormat fmt = info->fmt; |
| int i; |
| |
| for (i = 0; i < NUM_C_FIELD; ++i) { |
| extract_field(&s->fields, &format_info[fmt].op[i], insn); |
| } |
| } |
| return info; |
| } |
| |
| static bool is_afp_reg(int reg) |
| { |
| return reg % 2 || reg > 6; |
| } |
| |
| static bool is_fp_pair(int reg) |
| { |
| /* 0,1,4,5,8,9,12,13: to exclude the others, check for single bit */ |
| return !(reg & 0x2); |
| } |
| |
| static DisasJumpType translate_one(CPUS390XState *env, DisasContext *s) |
| { |
| const DisasInsn *insn; |
| DisasJumpType ret = DISAS_NEXT; |
| DisasOps o = {}; |
| bool icount = false; |
| |
| /* Search for the insn in the table. */ |
| insn = extract_insn(env, s); |
| |
| /* Update insn_start now that we know the ILEN. */ |
| tcg_set_insn_start_param(s->base.insn_start, 2, s->ilen); |
| |
| /* Not found means unimplemented/illegal opcode. */ |
| if (insn == NULL) { |
| qemu_log_mask(LOG_UNIMP, "unimplemented opcode 0x%02x%02x\n", |
| s->fields.op, s->fields.op2); |
| gen_illegal_opcode(s); |
| ret = DISAS_NORETURN; |
| goto out; |
| } |
| |
| #ifndef CONFIG_USER_ONLY |
| if (s->base.tb->flags & FLAG_MASK_PER_IFETCH) { |
| /* With ifetch set, psw_addr and cc_op are always up-to-date. */ |
| gen_helper_per_ifetch(tcg_env, tcg_constant_i32(s->ilen)); |
| } |
| #endif |
| |
| /* process flags */ |
| if (insn->flags) { |
| /* privileged instruction */ |
| if ((s->base.tb->flags & FLAG_MASK_PSTATE) && (insn->flags & IF_PRIV)) { |
| gen_program_exception(s, PGM_PRIVILEGED); |
| ret = DISAS_NORETURN; |
| goto out; |
| } |
| |
| /* if AFP is not enabled, instructions and registers are forbidden */ |
| if (!(s->base.tb->flags & FLAG_MASK_AFP)) { |
| uint8_t dxc = 0; |
| |
| if ((insn->flags & IF_AFP1) && is_afp_reg(get_field(s, r1))) { |
| dxc = 1; |
| } |
| if ((insn->flags & IF_AFP2) && is_afp_reg(get_field(s, r2))) { |
| dxc = 1; |
| } |
| if ((insn->flags & IF_AFP3) && is_afp_reg(get_field(s, r3))) { |
| dxc = 1; |
| } |
| if (insn->flags & IF_BFP) { |
| dxc = 2; |
| } |
| if (insn->flags & IF_DFP) { |
| dxc = 3; |
| } |
| if (insn->flags & IF_VEC) { |
| dxc = 0xfe; |
| } |
| if (dxc) { |
| gen_data_exception(dxc); |
| ret = DISAS_NORETURN; |
| goto out; |
| } |
| } |
| |
| /* if vector instructions not enabled, executing them is forbidden */ |
| if (insn->flags & IF_VEC) { |
| if (!((s->base.tb->flags & FLAG_MASK_VECTOR))) { |
| gen_data_exception(0xfe); |
| ret = DISAS_NORETURN; |
| goto out; |
| } |
| } |
| |
| /* input/output is the special case for icount mode */ |
| if (unlikely(insn->flags & IF_IO)) { |
| icount = translator_io_start(&s->base); |
| } |
| } |
| |
| /* Check for insn specification exceptions. */ |
| if (insn->spec) { |
| if ((insn->spec & SPEC_r1_even && get_field(s, r1) & 1) || |
| (insn->spec & SPEC_r2_even && get_field(s, r2) & 1) || |
| (insn->spec & SPEC_r3_even && get_field(s, r3) & 1) || |
| (insn->spec & SPEC_r1_f128 && !is_fp_pair(get_field(s, r1))) || |
| (insn->spec & SPEC_r2_f128 && !is_fp_pair(get_field(s, r2)))) { |
| gen_program_exception(s, PGM_SPECIFICATION); |
| ret = DISAS_NORETURN; |
| goto out; |
| } |
| } |
| |
| /* Implement the instruction. */ |
| if (insn->help_in1) { |
| insn->help_in1(s, &o); |
| } |
| if (insn->help_in2) { |
| insn->help_in2(s, &o); |
| } |
| if (insn->help_prep) { |
| insn->help_prep(s, &o); |
| } |
| if (insn->help_op) { |
| ret = insn->help_op(s, &o); |
| if (ret == DISAS_NORETURN) { |
| goto out; |
| } |
| } |
| if (insn->help_wout) { |
| insn->help_wout(s, &o); |
| } |
| if (insn->help_cout) { |
| insn->help_cout(s, &o); |
| } |
| |
| /* io should be the last instruction in tb when icount is enabled */ |
| if (unlikely(icount && ret == DISAS_NEXT)) { |
| ret = DISAS_TOO_MANY; |
| } |
| |
| #ifndef CONFIG_USER_ONLY |
| if (s->base.tb->flags & FLAG_MASK_PER_IFETCH) { |
| switch (ret) { |
| case DISAS_TOO_MANY: |
| s->base.is_jmp = DISAS_PC_CC_UPDATED; |
| /* fall through */ |
| case DISAS_NEXT: |
| tcg_gen_movi_i64(psw_addr, s->pc_tmp); |
| break; |
| default: |
| break; |
| } |
| update_cc_op(s); |
| gen_helper_per_check_exception(tcg_env); |
| } |
| #endif |
| |
| out: |
| /* Advance to the next instruction. */ |
| s->base.pc_next = s->pc_tmp; |
| return ret; |
| } |
| |
| static void s390x_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs) |
| { |
| DisasContext *dc = container_of(dcbase, DisasContext, base); |
| |
| /* 31-bit mode */ |
| if (!(dc->base.tb->flags & FLAG_MASK_64)) { |
| dc->base.pc_first &= 0x7fffffff; |
| dc->base.pc_next = dc->base.pc_first; |
| } |
| |
| dc->cc_op = CC_OP_DYNAMIC; |
| dc->ex_value = dc->base.tb->cs_base; |
| dc->exit_to_mainloop = dc->ex_value; |
| } |
| |
| static void s390x_tr_tb_start(DisasContextBase *db, CPUState *cs) |
| { |
| } |
| |
| static void s390x_tr_insn_start(DisasContextBase *dcbase, CPUState *cs) |
| { |
| DisasContext *dc = container_of(dcbase, DisasContext, base); |
| |
| /* Delay the set of ilen until we've read the insn. */ |
| tcg_gen_insn_start(dc->base.pc_next, dc->cc_op, 0); |
| } |
| |
| static target_ulong get_next_pc(CPUS390XState *env, DisasContext *s, |
| uint64_t pc) |
| { |
| uint64_t insn = translator_lduw(env, &s->base, pc); |
| |
| return pc + get_ilen((insn >> 8) & 0xff); |
| } |
| |
| static void s390x_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs) |
| { |
| CPUS390XState *env = cpu_env(cs); |
| DisasContext *dc = container_of(dcbase, DisasContext, base); |
| |
| dc->base.is_jmp = translate_one(env, dc); |
| if (dc->base.is_jmp == DISAS_NEXT) { |
| if (dc->ex_value || |
| !is_same_page(dcbase, dc->base.pc_next) || |
| !is_same_page(dcbase, get_next_pc(env, dc, dc->base.pc_next))) { |
| dc->base.is_jmp = DISAS_TOO_MANY; |
| } |
| } |
| } |
| |
| static void s390x_tr_tb_stop(DisasContextBase *dcbase, CPUState *cs) |
| { |
| DisasContext *dc = container_of(dcbase, DisasContext, base); |
| |
| switch (dc->base.is_jmp) { |
| case DISAS_NORETURN: |
| break; |
| case DISAS_TOO_MANY: |
| update_psw_addr(dc); |
| /* FALLTHRU */ |
| case DISAS_PC_UPDATED: |
| /* Next TB starts off with CC_OP_DYNAMIC, so make sure the |
| cc op type is in env */ |
| update_cc_op(dc); |
| /* FALLTHRU */ |
| case DISAS_PC_CC_UPDATED: |
| /* Exit the TB, either by raising a debug exception or by return. */ |
| if (dc->exit_to_mainloop) { |
| tcg_gen_exit_tb(NULL, 0); |
| } else { |
| tcg_gen_lookup_and_goto_ptr(); |
| } |
| break; |
| default: |
| g_assert_not_reached(); |
| } |
| } |
| |
| static bool s390x_tr_disas_log(const DisasContextBase *dcbase, |
| CPUState *cs, FILE *logfile) |
| { |
| DisasContext *dc = container_of(dcbase, DisasContext, base); |
| |
| if (unlikely(dc->ex_value)) { |
| /* The ex_value has been recorded with translator_fake_ld. */ |
| fprintf(logfile, "IN: EXECUTE\n"); |
| target_disas(logfile, cs, &dc->base); |
| return true; |
| } |
| return false; |
| } |
| |
| static const TranslatorOps s390x_tr_ops = { |
| .init_disas_context = s390x_tr_init_disas_context, |
| .tb_start = s390x_tr_tb_start, |
| .insn_start = s390x_tr_insn_start, |
| .translate_insn = s390x_tr_translate_insn, |
| .tb_stop = s390x_tr_tb_stop, |
| .disas_log = s390x_tr_disas_log, |
| }; |
| |
| void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int *max_insns, |
| vaddr pc, void *host_pc) |
| { |
| DisasContext dc; |
| |
| translator_loop(cs, tb, max_insns, pc, host_pc, &s390x_tr_ops, &dc.base); |
| } |
| |
| void s390x_restore_state_to_opc(CPUState *cs, |
| const TranslationBlock *tb, |
| const uint64_t *data) |
| { |
| CPUS390XState *env = cpu_env(cs); |
| int cc_op = data[1]; |
| |
| env->psw.addr = data[0]; |
| |
| /* Update the CC opcode if it is not already up-to-date. */ |
| if ((cc_op != CC_OP_DYNAMIC) && (cc_op != CC_OP_STATIC)) { |
| env->cc_op = cc_op; |
| } |
| |
| /* Record ILEN. */ |
| env->int_pgm_ilen = data[2]; |
| } |
