| /* |
| * Alpha emulation cpu translation for qemu. |
| * |
| * Copyright (c) 2007 Jocelyn Mayer |
| * |
| * 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 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, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA |
| */ |
| |
| #include <stdint.h> |
| #include <stdlib.h> |
| #include <stdio.h> |
| |
| #include "cpu.h" |
| #include "exec-all.h" |
| #include "disas.h" |
| #include "host-utils.h" |
| #include "tcg-op.h" |
| #include "qemu-common.h" |
| |
| #include "helper.h" |
| #define GEN_HELPER 1 |
| #include "helper.h" |
| |
| /* #define DO_SINGLE_STEP */ |
| #define ALPHA_DEBUG_DISAS |
| /* #define DO_TB_FLUSH */ |
| |
| |
| #ifdef ALPHA_DEBUG_DISAS |
| # define LOG_DISAS(...) qemu_log(__VA_ARGS__) |
| #else |
| # define LOG_DISAS(...) do { } while (0) |
| #endif |
| |
| typedef struct DisasContext DisasContext; |
| struct DisasContext { |
| uint64_t pc; |
| int mem_idx; |
| #if !defined (CONFIG_USER_ONLY) |
| int pal_mode; |
| #endif |
| uint32_t amask; |
| }; |
| |
| /* global register indexes */ |
| static TCGv_ptr cpu_env; |
| static TCGv cpu_ir[31]; |
| static TCGv cpu_fir[31]; |
| static TCGv cpu_pc; |
| static TCGv cpu_lock; |
| |
| /* register names */ |
| static char cpu_reg_names[10*4+21*5 + 10*5+21*6]; |
| |
| #include "gen-icount.h" |
| |
| static void alpha_translate_init(void) |
| { |
| int i; |
| char *p; |
| static int done_init = 0; |
| |
| if (done_init) |
| return; |
| |
| cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env"); |
| |
| p = cpu_reg_names; |
| for (i = 0; i < 31; i++) { |
| sprintf(p, "ir%d", i); |
| cpu_ir[i] = tcg_global_mem_new_i64(TCG_AREG0, |
| offsetof(CPUState, ir[i]), p); |
| p += (i < 10) ? 4 : 5; |
| |
| sprintf(p, "fir%d", i); |
| cpu_fir[i] = tcg_global_mem_new_i64(TCG_AREG0, |
| offsetof(CPUState, fir[i]), p); |
| p += (i < 10) ? 5 : 6; |
| } |
| |
| cpu_pc = tcg_global_mem_new_i64(TCG_AREG0, |
| offsetof(CPUState, pc), "pc"); |
| |
| cpu_lock = tcg_global_mem_new_i64(TCG_AREG0, |
| offsetof(CPUState, lock), "lock"); |
| |
| /* register helpers */ |
| #define GEN_HELPER 2 |
| #include "helper.h" |
| |
| done_init = 1; |
| } |
| |
| static always_inline void gen_excp (DisasContext *ctx, |
| int exception, int error_code) |
| { |
| TCGv_i32 tmp1, tmp2; |
| |
| tcg_gen_movi_i64(cpu_pc, ctx->pc); |
| tmp1 = tcg_const_i32(exception); |
| tmp2 = tcg_const_i32(error_code); |
| gen_helper_excp(tmp1, tmp2); |
| tcg_temp_free_i32(tmp2); |
| tcg_temp_free_i32(tmp1); |
| } |
| |
| static always_inline void gen_invalid (DisasContext *ctx) |
| { |
| gen_excp(ctx, EXCP_OPCDEC, 0); |
| } |
| |
| static always_inline void gen_qemu_ldf (TCGv t0, TCGv t1, int flags) |
| { |
| TCGv tmp = tcg_temp_new(); |
| TCGv_i32 tmp32 = tcg_temp_new_i32(); |
| tcg_gen_qemu_ld32u(tmp, t1, flags); |
| tcg_gen_trunc_i64_i32(tmp32, tmp); |
| gen_helper_memory_to_f(t0, tmp32); |
| tcg_temp_free_i32(tmp32); |
| tcg_temp_free(tmp); |
| } |
| |
| static always_inline void gen_qemu_ldg (TCGv t0, TCGv t1, int flags) |
| { |
| TCGv tmp = tcg_temp_new(); |
| tcg_gen_qemu_ld64(tmp, t1, flags); |
| gen_helper_memory_to_g(t0, tmp); |
| tcg_temp_free(tmp); |
| } |
| |
| static always_inline void gen_qemu_lds (TCGv t0, TCGv t1, int flags) |
| { |
| TCGv tmp = tcg_temp_new(); |
| TCGv_i32 tmp32 = tcg_temp_new_i32(); |
| tcg_gen_qemu_ld32u(tmp, t1, flags); |
| tcg_gen_trunc_i64_i32(tmp32, tmp); |
| gen_helper_memory_to_s(t0, tmp32); |
| tcg_temp_free_i32(tmp32); |
| tcg_temp_free(tmp); |
| } |
| |
| static always_inline void gen_qemu_ldl_l (TCGv t0, TCGv t1, int flags) |
| { |
| tcg_gen_mov_i64(cpu_lock, t1); |
| tcg_gen_qemu_ld32s(t0, t1, flags); |
| } |
| |
| static always_inline void gen_qemu_ldq_l (TCGv t0, TCGv t1, int flags) |
| { |
| tcg_gen_mov_i64(cpu_lock, t1); |
| tcg_gen_qemu_ld64(t0, t1, flags); |
| } |
| |
| static always_inline void gen_load_mem (DisasContext *ctx, |
| void (*tcg_gen_qemu_load)(TCGv t0, TCGv t1, int flags), |
| int ra, int rb, int32_t disp16, |
| int fp, int clear) |
| { |
| TCGv addr; |
| |
| if (unlikely(ra == 31)) |
| return; |
| |
| addr = tcg_temp_new(); |
| if (rb != 31) { |
| tcg_gen_addi_i64(addr, cpu_ir[rb], disp16); |
| if (clear) |
| tcg_gen_andi_i64(addr, addr, ~0x7); |
| } else { |
| if (clear) |
| disp16 &= ~0x7; |
| tcg_gen_movi_i64(addr, disp16); |
| } |
| if (fp) |
| tcg_gen_qemu_load(cpu_fir[ra], addr, ctx->mem_idx); |
| else |
| tcg_gen_qemu_load(cpu_ir[ra], addr, ctx->mem_idx); |
| tcg_temp_free(addr); |
| } |
| |
| static always_inline void gen_qemu_stf (TCGv t0, TCGv t1, int flags) |
| { |
| TCGv_i32 tmp32 = tcg_temp_new_i32(); |
| TCGv tmp = tcg_temp_new(); |
| gen_helper_f_to_memory(tmp32, t0); |
| tcg_gen_extu_i32_i64(tmp, tmp32); |
| tcg_gen_qemu_st32(tmp, t1, flags); |
| tcg_temp_free(tmp); |
| tcg_temp_free_i32(tmp32); |
| } |
| |
| static always_inline void gen_qemu_stg (TCGv t0, TCGv t1, int flags) |
| { |
| TCGv tmp = tcg_temp_new(); |
| gen_helper_g_to_memory(tmp, t0); |
| tcg_gen_qemu_st64(tmp, t1, flags); |
| tcg_temp_free(tmp); |
| } |
| |
| static always_inline void gen_qemu_sts (TCGv t0, TCGv t1, int flags) |
| { |
| TCGv_i32 tmp32 = tcg_temp_new_i32(); |
| TCGv tmp = tcg_temp_new(); |
| gen_helper_s_to_memory(tmp32, t0); |
| tcg_gen_extu_i32_i64(tmp, tmp32); |
| tcg_gen_qemu_st32(tmp, t1, flags); |
| tcg_temp_free(tmp); |
| tcg_temp_free_i32(tmp32); |
| } |
| |
| static always_inline void gen_qemu_stl_c (TCGv t0, TCGv t1, int flags) |
| { |
| int l1, l2; |
| |
| l1 = gen_new_label(); |
| l2 = gen_new_label(); |
| tcg_gen_brcond_i64(TCG_COND_NE, cpu_lock, t1, l1); |
| tcg_gen_qemu_st32(t0, t1, flags); |
| tcg_gen_movi_i64(t0, 1); |
| tcg_gen_br(l2); |
| gen_set_label(l1); |
| tcg_gen_movi_i64(t0, 0); |
| gen_set_label(l2); |
| tcg_gen_movi_i64(cpu_lock, -1); |
| } |
| |
| static always_inline void gen_qemu_stq_c (TCGv t0, TCGv t1, int flags) |
| { |
| int l1, l2; |
| |
| l1 = gen_new_label(); |
| l2 = gen_new_label(); |
| tcg_gen_brcond_i64(TCG_COND_NE, cpu_lock, t1, l1); |
| tcg_gen_qemu_st64(t0, t1, flags); |
| tcg_gen_movi_i64(t0, 1); |
| tcg_gen_br(l2); |
| gen_set_label(l1); |
| tcg_gen_movi_i64(t0, 0); |
| gen_set_label(l2); |
| tcg_gen_movi_i64(cpu_lock, -1); |
| } |
| |
| static always_inline void gen_store_mem (DisasContext *ctx, |
| void (*tcg_gen_qemu_store)(TCGv t0, TCGv t1, int flags), |
| int ra, int rb, int32_t disp16, |
| int fp, int clear, int local) |
| { |
| TCGv addr; |
| if (local) |
| addr = tcg_temp_local_new(); |
| else |
| addr = tcg_temp_new(); |
| if (rb != 31) { |
| tcg_gen_addi_i64(addr, cpu_ir[rb], disp16); |
| if (clear) |
| tcg_gen_andi_i64(addr, addr, ~0x7); |
| } else { |
| if (clear) |
| disp16 &= ~0x7; |
| tcg_gen_movi_i64(addr, disp16); |
| } |
| if (ra != 31) { |
| if (fp) |
| tcg_gen_qemu_store(cpu_fir[ra], addr, ctx->mem_idx); |
| else |
| tcg_gen_qemu_store(cpu_ir[ra], addr, ctx->mem_idx); |
| } else { |
| TCGv zero; |
| if (local) |
| zero = tcg_const_local_i64(0); |
| else |
| zero = tcg_const_i64(0); |
| tcg_gen_qemu_store(zero, addr, ctx->mem_idx); |
| tcg_temp_free(zero); |
| } |
| tcg_temp_free(addr); |
| } |
| |
| static always_inline void gen_bcond (DisasContext *ctx, |
| TCGCond cond, |
| int ra, int32_t disp16, int mask) |
| { |
| int l1, l2; |
| |
| l1 = gen_new_label(); |
| l2 = gen_new_label(); |
| if (likely(ra != 31)) { |
| if (mask) { |
| TCGv tmp = tcg_temp_new(); |
| tcg_gen_andi_i64(tmp, cpu_ir[ra], 1); |
| tcg_gen_brcondi_i64(cond, tmp, 0, l1); |
| tcg_temp_free(tmp); |
| } else |
| tcg_gen_brcondi_i64(cond, cpu_ir[ra], 0, l1); |
| } else { |
| /* Very uncommon case - Do not bother to optimize. */ |
| TCGv tmp = tcg_const_i64(0); |
| tcg_gen_brcondi_i64(cond, tmp, 0, l1); |
| tcg_temp_free(tmp); |
| } |
| tcg_gen_movi_i64(cpu_pc, ctx->pc); |
| tcg_gen_br(l2); |
| gen_set_label(l1); |
| tcg_gen_movi_i64(cpu_pc, ctx->pc + (int64_t)(disp16 << 2)); |
| gen_set_label(l2); |
| } |
| |
| static always_inline void gen_fbcond (DisasContext *ctx, int opc, |
| int ra, int32_t disp16) |
| { |
| int l1, l2; |
| TCGv tmp; |
| TCGv src; |
| |
| l1 = gen_new_label(); |
| l2 = gen_new_label(); |
| if (ra != 31) { |
| tmp = tcg_temp_new(); |
| src = cpu_fir[ra]; |
| } else { |
| tmp = tcg_const_i64(0); |
| src = tmp; |
| } |
| switch (opc) { |
| case 0x31: /* FBEQ */ |
| gen_helper_cmpfeq(tmp, src); |
| break; |
| case 0x32: /* FBLT */ |
| gen_helper_cmpflt(tmp, src); |
| break; |
| case 0x33: /* FBLE */ |
| gen_helper_cmpfle(tmp, src); |
| break; |
| case 0x35: /* FBNE */ |
| gen_helper_cmpfne(tmp, src); |
| break; |
| case 0x36: /* FBGE */ |
| gen_helper_cmpfge(tmp, src); |
| break; |
| case 0x37: /* FBGT */ |
| gen_helper_cmpfgt(tmp, src); |
| break; |
| default: |
| abort(); |
| } |
| tcg_gen_brcondi_i64(TCG_COND_NE, tmp, 0, l1); |
| tcg_gen_movi_i64(cpu_pc, ctx->pc); |
| tcg_gen_br(l2); |
| gen_set_label(l1); |
| tcg_gen_movi_i64(cpu_pc, ctx->pc + (int64_t)(disp16 << 2)); |
| gen_set_label(l2); |
| } |
| |
| static always_inline void gen_cmov (TCGCond inv_cond, |
| int ra, int rb, int rc, |
| int islit, uint8_t lit, int mask) |
| { |
| int l1; |
| |
| if (unlikely(rc == 31)) |
| return; |
| |
| l1 = gen_new_label(); |
| |
| if (ra != 31) { |
| if (mask) { |
| TCGv tmp = tcg_temp_new(); |
| tcg_gen_andi_i64(tmp, cpu_ir[ra], 1); |
| tcg_gen_brcondi_i64(inv_cond, tmp, 0, l1); |
| tcg_temp_free(tmp); |
| } else |
| tcg_gen_brcondi_i64(inv_cond, cpu_ir[ra], 0, l1); |
| } else { |
| /* Very uncommon case - Do not bother to optimize. */ |
| TCGv tmp = tcg_const_i64(0); |
| tcg_gen_brcondi_i64(inv_cond, tmp, 0, l1); |
| tcg_temp_free(tmp); |
| } |
| |
| if (islit) |
| tcg_gen_movi_i64(cpu_ir[rc], lit); |
| else |
| tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[rb]); |
| gen_set_label(l1); |
| } |
| |
| #define FARITH2(name) \ |
| static always_inline void glue(gen_f, name)(int rb, int rc) \ |
| { \ |
| if (unlikely(rc == 31)) \ |
| return; \ |
| \ |
| if (rb != 31) \ |
| gen_helper_ ## name (cpu_fir[rc], cpu_fir[rb]); \ |
| else { \ |
| TCGv tmp = tcg_const_i64(0); \ |
| gen_helper_ ## name (cpu_fir[rc], tmp); \ |
| tcg_temp_free(tmp); \ |
| } \ |
| } |
| FARITH2(sqrts) |
| FARITH2(sqrtf) |
| FARITH2(sqrtg) |
| FARITH2(sqrtt) |
| FARITH2(cvtgf) |
| FARITH2(cvtgq) |
| FARITH2(cvtqf) |
| FARITH2(cvtqg) |
| FARITH2(cvtst) |
| FARITH2(cvtts) |
| FARITH2(cvttq) |
| FARITH2(cvtqs) |
| FARITH2(cvtqt) |
| FARITH2(cvtlq) |
| FARITH2(cvtql) |
| FARITH2(cvtqlv) |
| FARITH2(cvtqlsv) |
| |
| #define FARITH3(name) \ |
| static always_inline void glue(gen_f, name) (int ra, int rb, int rc) \ |
| { \ |
| if (unlikely(rc == 31)) \ |
| return; \ |
| \ |
| if (ra != 31) { \ |
| if (rb != 31) \ |
| gen_helper_ ## name (cpu_fir[rc], cpu_fir[ra], cpu_fir[rb]); \ |
| else { \ |
| TCGv tmp = tcg_const_i64(0); \ |
| gen_helper_ ## name (cpu_fir[rc], cpu_fir[ra], tmp); \ |
| tcg_temp_free(tmp); \ |
| } \ |
| } else { \ |
| TCGv tmp = tcg_const_i64(0); \ |
| if (rb != 31) \ |
| gen_helper_ ## name (cpu_fir[rc], tmp, cpu_fir[rb]); \ |
| else \ |
| gen_helper_ ## name (cpu_fir[rc], tmp, tmp); \ |
| tcg_temp_free(tmp); \ |
| } \ |
| } |
| |
| FARITH3(addf) |
| FARITH3(subf) |
| FARITH3(mulf) |
| FARITH3(divf) |
| FARITH3(addg) |
| FARITH3(subg) |
| FARITH3(mulg) |
| FARITH3(divg) |
| FARITH3(cmpgeq) |
| FARITH3(cmpglt) |
| FARITH3(cmpgle) |
| FARITH3(adds) |
| FARITH3(subs) |
| FARITH3(muls) |
| FARITH3(divs) |
| FARITH3(addt) |
| FARITH3(subt) |
| FARITH3(mult) |
| FARITH3(divt) |
| FARITH3(cmptun) |
| FARITH3(cmpteq) |
| FARITH3(cmptlt) |
| FARITH3(cmptle) |
| FARITH3(cpys) |
| FARITH3(cpysn) |
| FARITH3(cpyse) |
| |
| #define FCMOV(name) \ |
| static always_inline void glue(gen_f, name) (int ra, int rb, int rc) \ |
| { \ |
| int l1; \ |
| TCGv tmp; \ |
| \ |
| if (unlikely(rc == 31)) \ |
| return; \ |
| \ |
| l1 = gen_new_label(); \ |
| tmp = tcg_temp_new(); \ |
| if (ra != 31) { \ |
| tmp = tcg_temp_new(); \ |
| gen_helper_ ## name (tmp, cpu_fir[ra]); \ |
| } else { \ |
| tmp = tcg_const_i64(0); \ |
| gen_helper_ ## name (tmp, tmp); \ |
| } \ |
| tcg_gen_brcondi_i64(TCG_COND_EQ, tmp, 0, l1); \ |
| if (rb != 31) \ |
| tcg_gen_mov_i64(cpu_fir[rc], cpu_fir[ra]); \ |
| else \ |
| tcg_gen_movi_i64(cpu_fir[rc], 0); \ |
| gen_set_label(l1); \ |
| } |
| FCMOV(cmpfeq) |
| FCMOV(cmpfne) |
| FCMOV(cmpflt) |
| FCMOV(cmpfge) |
| FCMOV(cmpfle) |
| FCMOV(cmpfgt) |
| |
| /* EXTWH, EXTWH, EXTLH, EXTQH */ |
| static always_inline void gen_ext_h(void (*tcg_gen_ext_i64)(TCGv t0, TCGv t1), |
| int ra, int rb, int rc, |
| int islit, uint8_t lit) |
| { |
| if (unlikely(rc == 31)) |
| return; |
| |
| if (ra != 31) { |
| if (islit) { |
| if (lit != 0) |
| tcg_gen_shli_i64(cpu_ir[rc], cpu_ir[ra], 64 - ((lit & 7) * 8)); |
| else |
| tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[ra]); |
| } else { |
| TCGv tmp1, tmp2; |
| tmp1 = tcg_temp_new(); |
| tcg_gen_andi_i64(tmp1, cpu_ir[rb], 7); |
| tcg_gen_shli_i64(tmp1, tmp1, 3); |
| tmp2 = tcg_const_i64(64); |
| tcg_gen_sub_i64(tmp1, tmp2, tmp1); |
| tcg_temp_free(tmp2); |
| tcg_gen_shl_i64(cpu_ir[rc], cpu_ir[ra], tmp1); |
| tcg_temp_free(tmp1); |
| } |
| if (tcg_gen_ext_i64) |
| tcg_gen_ext_i64(cpu_ir[rc], cpu_ir[rc]); |
| } else |
| tcg_gen_movi_i64(cpu_ir[rc], 0); |
| } |
| |
| /* EXTBL, EXTWL, EXTWL, EXTLL, EXTQL */ |
| static always_inline void gen_ext_l(void (*tcg_gen_ext_i64)(TCGv t0, TCGv t1), |
| int ra, int rb, int rc, |
| int islit, uint8_t lit) |
| { |
| if (unlikely(rc == 31)) |
| return; |
| |
| if (ra != 31) { |
| if (islit) { |
| tcg_gen_shri_i64(cpu_ir[rc], cpu_ir[ra], (lit & 7) * 8); |
| } else { |
| TCGv tmp = tcg_temp_new(); |
| tcg_gen_andi_i64(tmp, cpu_ir[rb], 7); |
| tcg_gen_shli_i64(tmp, tmp, 3); |
| tcg_gen_shr_i64(cpu_ir[rc], cpu_ir[ra], tmp); |
| tcg_temp_free(tmp); |
| } |
| if (tcg_gen_ext_i64) |
| tcg_gen_ext_i64(cpu_ir[rc], cpu_ir[rc]); |
| } else |
| tcg_gen_movi_i64(cpu_ir[rc], 0); |
| } |
| |
| /* Code to call arith3 helpers */ |
| #define ARITH3(name) \ |
| static always_inline void glue(gen_, name) (int ra, int rb, int rc, \ |
| int islit, uint8_t lit) \ |
| { \ |
| if (unlikely(rc == 31)) \ |
| return; \ |
| \ |
| if (ra != 31) { \ |
| if (islit) { \ |
| TCGv tmp = tcg_const_i64(lit); \ |
| gen_helper_ ## name(cpu_ir[rc], cpu_ir[ra], tmp); \ |
| tcg_temp_free(tmp); \ |
| } else \ |
| gen_helper_ ## name (cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]); \ |
| } else { \ |
| TCGv tmp1 = tcg_const_i64(0); \ |
| if (islit) { \ |
| TCGv tmp2 = tcg_const_i64(lit); \ |
| gen_helper_ ## name (cpu_ir[rc], tmp1, tmp2); \ |
| tcg_temp_free(tmp2); \ |
| } else \ |
| gen_helper_ ## name (cpu_ir[rc], tmp1, cpu_ir[rb]); \ |
| tcg_temp_free(tmp1); \ |
| } \ |
| } |
| ARITH3(cmpbge) |
| ARITH3(addlv) |
| ARITH3(sublv) |
| ARITH3(addqv) |
| ARITH3(subqv) |
| ARITH3(mskbl) |
| ARITH3(insbl) |
| ARITH3(mskwl) |
| ARITH3(inswl) |
| ARITH3(mskll) |
| ARITH3(insll) |
| ARITH3(zap) |
| ARITH3(zapnot) |
| ARITH3(mskql) |
| ARITH3(insql) |
| ARITH3(mskwh) |
| ARITH3(inswh) |
| ARITH3(msklh) |
| ARITH3(inslh) |
| ARITH3(mskqh) |
| ARITH3(insqh) |
| ARITH3(umulh) |
| ARITH3(mullv) |
| ARITH3(mulqv) |
| |
| static always_inline void gen_cmp(TCGCond cond, |
| int ra, int rb, int rc, |
| int islit, uint8_t lit) |
| { |
| int l1, l2; |
| TCGv tmp; |
| |
| if (unlikely(rc == 31)) |
| return; |
| |
| l1 = gen_new_label(); |
| l2 = gen_new_label(); |
| |
| if (ra != 31) { |
| tmp = tcg_temp_new(); |
| tcg_gen_mov_i64(tmp, cpu_ir[ra]); |
| } else |
| tmp = tcg_const_i64(0); |
| if (islit) |
| tcg_gen_brcondi_i64(cond, tmp, lit, l1); |
| else |
| tcg_gen_brcond_i64(cond, tmp, cpu_ir[rb], l1); |
| |
| tcg_gen_movi_i64(cpu_ir[rc], 0); |
| tcg_gen_br(l2); |
| gen_set_label(l1); |
| tcg_gen_movi_i64(cpu_ir[rc], 1); |
| gen_set_label(l2); |
| } |
| |
| static always_inline int translate_one (DisasContext *ctx, uint32_t insn) |
| { |
| uint32_t palcode; |
| int32_t disp21, disp16, disp12; |
| uint16_t fn11, fn16; |
| uint8_t opc, ra, rb, rc, sbz, fpfn, fn7, fn2, islit; |
| uint8_t lit; |
| int ret; |
| |
| /* Decode all instruction fields */ |
| opc = insn >> 26; |
| ra = (insn >> 21) & 0x1F; |
| rb = (insn >> 16) & 0x1F; |
| rc = insn & 0x1F; |
| sbz = (insn >> 13) & 0x07; |
| islit = (insn >> 12) & 1; |
| if (rb == 31 && !islit) { |
| islit = 1; |
| lit = 0; |
| } else |
| lit = (insn >> 13) & 0xFF; |
| palcode = insn & 0x03FFFFFF; |
| disp21 = ((int32_t)((insn & 0x001FFFFF) << 11)) >> 11; |
| disp16 = (int16_t)(insn & 0x0000FFFF); |
| disp12 = (int32_t)((insn & 0x00000FFF) << 20) >> 20; |
| fn16 = insn & 0x0000FFFF; |
| fn11 = (insn >> 5) & 0x000007FF; |
| fpfn = fn11 & 0x3F; |
| fn7 = (insn >> 5) & 0x0000007F; |
| fn2 = (insn >> 5) & 0x00000003; |
| ret = 0; |
| LOG_DISAS("opc %02x ra %d rb %d rc %d disp16 %04x\n", |
| opc, ra, rb, rc, disp16); |
| switch (opc) { |
| case 0x00: |
| /* CALL_PAL */ |
| if (palcode >= 0x80 && palcode < 0xC0) { |
| /* Unprivileged PAL call */ |
| gen_excp(ctx, EXCP_CALL_PAL + ((palcode & 0x1F) << 6), 0); |
| #if !defined (CONFIG_USER_ONLY) |
| } else if (palcode < 0x40) { |
| /* Privileged PAL code */ |
| if (ctx->mem_idx & 1) |
| goto invalid_opc; |
| else |
| gen_excp(ctx, EXCP_CALL_PALP + ((palcode & 0x1F) << 6), 0); |
| #endif |
| } else { |
| /* Invalid PAL call */ |
| goto invalid_opc; |
| } |
| ret = 3; |
| break; |
| case 0x01: |
| /* OPC01 */ |
| goto invalid_opc; |
| case 0x02: |
| /* OPC02 */ |
| goto invalid_opc; |
| case 0x03: |
| /* OPC03 */ |
| goto invalid_opc; |
| case 0x04: |
| /* OPC04 */ |
| goto invalid_opc; |
| case 0x05: |
| /* OPC05 */ |
| goto invalid_opc; |
| case 0x06: |
| /* OPC06 */ |
| goto invalid_opc; |
| case 0x07: |
| /* OPC07 */ |
| goto invalid_opc; |
| case 0x08: |
| /* LDA */ |
| if (likely(ra != 31)) { |
| if (rb != 31) |
| tcg_gen_addi_i64(cpu_ir[ra], cpu_ir[rb], disp16); |
| else |
| tcg_gen_movi_i64(cpu_ir[ra], disp16); |
| } |
| break; |
| case 0x09: |
| /* LDAH */ |
| if (likely(ra != 31)) { |
| if (rb != 31) |
| tcg_gen_addi_i64(cpu_ir[ra], cpu_ir[rb], disp16 << 16); |
| else |
| tcg_gen_movi_i64(cpu_ir[ra], disp16 << 16); |
| } |
| break; |
| case 0x0A: |
| /* LDBU */ |
| if (!(ctx->amask & AMASK_BWX)) |
| goto invalid_opc; |
| gen_load_mem(ctx, &tcg_gen_qemu_ld8u, ra, rb, disp16, 0, 0); |
| break; |
| case 0x0B: |
| /* LDQ_U */ |
| gen_load_mem(ctx, &tcg_gen_qemu_ld64, ra, rb, disp16, 0, 1); |
| break; |
| case 0x0C: |
| /* LDWU */ |
| if (!(ctx->amask & AMASK_BWX)) |
| goto invalid_opc; |
| gen_load_mem(ctx, &tcg_gen_qemu_ld16u, ra, rb, disp16, 0, 1); |
| break; |
| case 0x0D: |
| /* STW */ |
| gen_store_mem(ctx, &tcg_gen_qemu_st16, ra, rb, disp16, 0, 0, 0); |
| break; |
| case 0x0E: |
| /* STB */ |
| gen_store_mem(ctx, &tcg_gen_qemu_st8, ra, rb, disp16, 0, 0, 0); |
| break; |
| case 0x0F: |
| /* STQ_U */ |
| gen_store_mem(ctx, &tcg_gen_qemu_st64, ra, rb, disp16, 0, 1, 0); |
| break; |
| case 0x10: |
| switch (fn7) { |
| case 0x00: |
| /* ADDL */ |
| if (likely(rc != 31)) { |
| if (ra != 31) { |
| if (islit) { |
| tcg_gen_addi_i64(cpu_ir[rc], cpu_ir[ra], lit); |
| tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rc]); |
| } else { |
| tcg_gen_add_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]); |
| tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rc]); |
| } |
| } else { |
| if (islit) |
| tcg_gen_movi_i64(cpu_ir[rc], lit); |
| else |
| tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rb]); |
| } |
| } |
| break; |
| case 0x02: |
| /* S4ADDL */ |
| if (likely(rc != 31)) { |
| if (ra != 31) { |
| TCGv tmp = tcg_temp_new(); |
| tcg_gen_shli_i64(tmp, cpu_ir[ra], 2); |
| if (islit) |
| tcg_gen_addi_i64(tmp, tmp, lit); |
| else |
| tcg_gen_add_i64(tmp, tmp, cpu_ir[rb]); |
| tcg_gen_ext32s_i64(cpu_ir[rc], tmp); |
| tcg_temp_free(tmp); |
| } else { |
| if (islit) |
| tcg_gen_movi_i64(cpu_ir[rc], lit); |
| else |
| tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rb]); |
| } |
| } |
| break; |
| case 0x09: |
| /* SUBL */ |
| if (likely(rc != 31)) { |
| if (ra != 31) { |
| if (islit) |
| tcg_gen_subi_i64(cpu_ir[rc], cpu_ir[ra], lit); |
| else |
| tcg_gen_sub_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]); |
| tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rc]); |
| } else { |
| if (islit) |
| tcg_gen_movi_i64(cpu_ir[rc], -lit); |
| else { |
| tcg_gen_neg_i64(cpu_ir[rc], cpu_ir[rb]); |
| tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rc]); |
| } |
| } |
| break; |
| case 0x0B: |
| /* S4SUBL */ |
| if (likely(rc != 31)) { |
| if (ra != 31) { |
| TCGv tmp = tcg_temp_new(); |
| tcg_gen_shli_i64(tmp, cpu_ir[ra], 2); |
| if (islit) |
| tcg_gen_subi_i64(tmp, tmp, lit); |
| else |
| tcg_gen_sub_i64(tmp, tmp, cpu_ir[rb]); |
| tcg_gen_ext32s_i64(cpu_ir[rc], tmp); |
| tcg_temp_free(tmp); |
| } else { |
| if (islit) |
| tcg_gen_movi_i64(cpu_ir[rc], -lit); |
| else { |
| tcg_gen_neg_i64(cpu_ir[rc], cpu_ir[rb]); |
| tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rc]); |
| } |
| } |
| } |
| break; |
| case 0x0F: |
| /* CMPBGE */ |
| gen_cmpbge(ra, rb, rc, islit, lit); |
| break; |
| case 0x12: |
| /* S8ADDL */ |
| if (likely(rc != 31)) { |
| if (ra != 31) { |
| TCGv tmp = tcg_temp_new(); |
| tcg_gen_shli_i64(tmp, cpu_ir[ra], 3); |
| if (islit) |
| tcg_gen_addi_i64(tmp, tmp, lit); |
| else |
| tcg_gen_add_i64(tmp, tmp, cpu_ir[rb]); |
| tcg_gen_ext32s_i64(cpu_ir[rc], tmp); |
| tcg_temp_free(tmp); |
| } else { |
| if (islit) |
| tcg_gen_movi_i64(cpu_ir[rc], lit); |
| else |
| tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rb]); |
| } |
| } |
| break; |
| case 0x1B: |
| /* S8SUBL */ |
| if (likely(rc != 31)) { |
| if (ra != 31) { |
| TCGv tmp = tcg_temp_new(); |
| tcg_gen_shli_i64(tmp, cpu_ir[ra], 3); |
| if (islit) |
| tcg_gen_subi_i64(tmp, tmp, lit); |
| else |
| tcg_gen_sub_i64(tmp, tmp, cpu_ir[rb]); |
| tcg_gen_ext32s_i64(cpu_ir[rc], tmp); |
| tcg_temp_free(tmp); |
| } else { |
| if (islit) |
| tcg_gen_movi_i64(cpu_ir[rc], -lit); |
| else |
| tcg_gen_neg_i64(cpu_ir[rc], cpu_ir[rb]); |
| tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rc]); |
| } |
| } |
| } |
| break; |
| case 0x1D: |
| /* CMPULT */ |
| gen_cmp(TCG_COND_LTU, ra, rb, rc, islit, lit); |
| break; |
| case 0x20: |
| /* ADDQ */ |
| if (likely(rc != 31)) { |
| if (ra != 31) { |
| if (islit) |
| tcg_gen_addi_i64(cpu_ir[rc], cpu_ir[ra], lit); |
| else |
| tcg_gen_add_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]); |
| } else { |
| if (islit) |
| tcg_gen_movi_i64(cpu_ir[rc], lit); |
| else |
| tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[rb]); |
| } |
| } |
| break; |
| case 0x22: |
| /* S4ADDQ */ |
| if (likely(rc != 31)) { |
| if (ra != 31) { |
| TCGv tmp = tcg_temp_new(); |
| tcg_gen_shli_i64(tmp, cpu_ir[ra], 2); |
| if (islit) |
| tcg_gen_addi_i64(cpu_ir[rc], tmp, lit); |
| else |
| tcg_gen_add_i64(cpu_ir[rc], tmp, cpu_ir[rb]); |
| tcg_temp_free(tmp); |
| } else { |
| if (islit) |
| tcg_gen_movi_i64(cpu_ir[rc], lit); |
| else |
| tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[rb]); |
| } |
| } |
| break; |
| case 0x29: |
| /* SUBQ */ |
| if (likely(rc != 31)) { |
| if (ra != 31) { |
| if (islit) |
| tcg_gen_subi_i64(cpu_ir[rc], cpu_ir[ra], lit); |
| else |
| tcg_gen_sub_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]); |
| } else { |
| if (islit) |
| tcg_gen_movi_i64(cpu_ir[rc], -lit); |
| else |
| tcg_gen_neg_i64(cpu_ir[rc], cpu_ir[rb]); |
| } |
| } |
| break; |
| case 0x2B: |
| /* S4SUBQ */ |
| if (likely(rc != 31)) { |
| if (ra != 31) { |
| TCGv tmp = tcg_temp_new(); |
| tcg_gen_shli_i64(tmp, cpu_ir[ra], 2); |
| if (islit) |
| tcg_gen_subi_i64(cpu_ir[rc], tmp, lit); |
| else |
| tcg_gen_sub_i64(cpu_ir[rc], tmp, cpu_ir[rb]); |
| tcg_temp_free(tmp); |
| } else { |
| if (islit) |
| tcg_gen_movi_i64(cpu_ir[rc], -lit); |
| else |
| tcg_gen_neg_i64(cpu_ir[rc], cpu_ir[rb]); |
| } |
| } |
| break; |
| case 0x2D: |
| /* CMPEQ */ |
| gen_cmp(TCG_COND_EQ, ra, rb, rc, islit, lit); |
| break; |
| case 0x32: |
| /* S8ADDQ */ |
| if (likely(rc != 31)) { |
| if (ra != 31) { |
| TCGv tmp = tcg_temp_new(); |
| tcg_gen_shli_i64(tmp, cpu_ir[ra], 3); |
| if (islit) |
| tcg_gen_addi_i64(cpu_ir[rc], tmp, lit); |
| else |
| tcg_gen_add_i64(cpu_ir[rc], tmp, cpu_ir[rb]); |
| tcg_temp_free(tmp); |
| } else { |
| if (islit) |
| tcg_gen_movi_i64(cpu_ir[rc], lit); |
| else |
| tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[rb]); |
| } |
| } |
| break; |
| case 0x3B: |
| /* S8SUBQ */ |
| if (likely(rc != 31)) { |
| if (ra != 31) { |
| TCGv tmp = tcg_temp_new(); |
| tcg_gen_shli_i64(tmp, cpu_ir[ra], 3); |
| if (islit) |
| tcg_gen_subi_i64(cpu_ir[rc], tmp, lit); |
| else |
| tcg_gen_sub_i64(cpu_ir[rc], tmp, cpu_ir[rb]); |
| tcg_temp_free(tmp); |
| } else { |
| if (islit) |
| tcg_gen_movi_i64(cpu_ir[rc], -lit); |
| else |
| tcg_gen_neg_i64(cpu_ir[rc], cpu_ir[rb]); |
| } |
| } |
| break; |
| case 0x3D: |
| /* CMPULE */ |
| gen_cmp(TCG_COND_LEU, ra, rb, rc, islit, lit); |
| break; |
| case 0x40: |
| /* ADDL/V */ |
| gen_addlv(ra, rb, rc, islit, lit); |
| break; |
| case 0x49: |
| /* SUBL/V */ |
| gen_sublv(ra, rb, rc, islit, lit); |
| break; |
| case 0x4D: |
| /* CMPLT */ |
| gen_cmp(TCG_COND_LT, ra, rb, rc, islit, lit); |
| break; |
| case 0x60: |
| /* ADDQ/V */ |
| gen_addqv(ra, rb, rc, islit, lit); |
| break; |
| case 0x69: |
| /* SUBQ/V */ |
| gen_subqv(ra, rb, rc, islit, lit); |
| break; |
| case 0x6D: |
| /* CMPLE */ |
| gen_cmp(TCG_COND_LE, ra, rb, rc, islit, lit); |
| break; |
| default: |
| goto invalid_opc; |
| } |
| break; |
| case 0x11: |
| switch (fn7) { |
| case 0x00: |
| /* AND */ |
| if (likely(rc != 31)) { |
| if (ra == 31) |
| tcg_gen_movi_i64(cpu_ir[rc], 0); |
| else if (islit) |
| tcg_gen_andi_i64(cpu_ir[rc], cpu_ir[ra], lit); |
| else |
| tcg_gen_and_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]); |
| } |
| break; |
| case 0x08: |
| /* BIC */ |
| if (likely(rc != 31)) { |
| if (ra != 31) { |
| if (islit) |
| tcg_gen_andi_i64(cpu_ir[rc], cpu_ir[ra], ~lit); |
| else |
| tcg_gen_andc_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]); |
| } else |
| tcg_gen_movi_i64(cpu_ir[rc], 0); |
| } |
| break; |
| case 0x14: |
| /* CMOVLBS */ |
| gen_cmov(TCG_COND_EQ, ra, rb, rc, islit, lit, 1); |
| break; |
| case 0x16: |
| /* CMOVLBC */ |
| gen_cmov(TCG_COND_NE, ra, rb, rc, islit, lit, 1); |
| break; |
| case 0x20: |
| /* BIS */ |
| if (likely(rc != 31)) { |
| if (ra != 31) { |
| if (islit) |
| tcg_gen_ori_i64(cpu_ir[rc], cpu_ir[ra], lit); |
| else |
| tcg_gen_or_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]); |
| } else { |
| if (islit) |
| tcg_gen_movi_i64(cpu_ir[rc], lit); |
| else |
| tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[rb]); |
| } |
| } |
| break; |
| case 0x24: |
| /* CMOVEQ */ |
| gen_cmov(TCG_COND_NE, ra, rb, rc, islit, lit, 0); |
| break; |
| case 0x26: |
| /* CMOVNE */ |
| gen_cmov(TCG_COND_EQ, ra, rb, rc, islit, lit, 0); |
| break; |
| case 0x28: |
| /* ORNOT */ |
| if (likely(rc != 31)) { |
| if (ra != 31) { |
| if (islit) |
| tcg_gen_ori_i64(cpu_ir[rc], cpu_ir[ra], ~lit); |
| else |
| tcg_gen_orc_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]); |
| } else { |
| if (islit) |
| tcg_gen_movi_i64(cpu_ir[rc], ~lit); |
| else |
| tcg_gen_not_i64(cpu_ir[rc], cpu_ir[rb]); |
| } |
| } |
| break; |
| case 0x40: |
| /* XOR */ |
| if (likely(rc != 31)) { |
| if (ra != 31) { |
| if (islit) |
| tcg_gen_xori_i64(cpu_ir[rc], cpu_ir[ra], lit); |
| else |
| tcg_gen_xor_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]); |
| } else { |
| if (islit) |
| tcg_gen_movi_i64(cpu_ir[rc], lit); |
| else |
| tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[rb]); |
| } |
| } |
| break; |
| case 0x44: |
| /* CMOVLT */ |
| gen_cmov(TCG_COND_GE, ra, rb, rc, islit, lit, 0); |
| break; |
| case 0x46: |
| /* CMOVGE */ |
| gen_cmov(TCG_COND_LT, ra, rb, rc, islit, lit, 0); |
| break; |
| case 0x48: |
| /* EQV */ |
| if (likely(rc != 31)) { |
| if (ra != 31) { |
| if (islit) |
| tcg_gen_xori_i64(cpu_ir[rc], cpu_ir[ra], ~lit); |
| else |
| tcg_gen_eqv_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]); |
| } else { |
| if (islit) |
| tcg_gen_movi_i64(cpu_ir[rc], ~lit); |
| else |
| tcg_gen_not_i64(cpu_ir[rc], cpu_ir[rb]); |
| } |
| } |
| break; |
| case 0x61: |
| /* AMASK */ |
| if (likely(rc != 31)) { |
| if (islit) |
| tcg_gen_movi_i64(cpu_ir[rc], helper_amask(lit)); |
| else |
| gen_helper_amask(cpu_ir[rc], cpu_ir[rb]); |
| } |
| break; |
| case 0x64: |
| /* CMOVLE */ |
| gen_cmov(TCG_COND_GT, ra, rb, rc, islit, lit, 0); |
| break; |
| case 0x66: |
| /* CMOVGT */ |
| gen_cmov(TCG_COND_LE, ra, rb, rc, islit, lit, 0); |
| break; |
| case 0x6C: |
| /* IMPLVER */ |
| if (rc != 31) |
| gen_helper_load_implver(cpu_ir[rc]); |
| break; |
| default: |
| goto invalid_opc; |
| } |
| break; |
| case 0x12: |
| switch (fn7) { |
| case 0x02: |
| /* MSKBL */ |
| gen_mskbl(ra, rb, rc, islit, lit); |
| break; |
| case 0x06: |
| /* EXTBL */ |
| gen_ext_l(&tcg_gen_ext8u_i64, ra, rb, rc, islit, lit); |
| break; |
| case 0x0B: |
| /* INSBL */ |
| gen_insbl(ra, rb, rc, islit, lit); |
| break; |
| case 0x12: |
| /* MSKWL */ |
| gen_mskwl(ra, rb, rc, islit, lit); |
| break; |
| case 0x16: |
| /* EXTWL */ |
| gen_ext_l(&tcg_gen_ext16u_i64, ra, rb, rc, islit, lit); |
| break; |
| case 0x1B: |
| /* INSWL */ |
| gen_inswl(ra, rb, rc, islit, lit); |
| break; |
| case 0x22: |
| /* MSKLL */ |
| gen_mskll(ra, rb, rc, islit, lit); |
| break; |
| case 0x26: |
| /* EXTLL */ |
| gen_ext_l(&tcg_gen_ext32u_i64, ra, rb, rc, islit, lit); |
| break; |
| case 0x2B: |
| /* INSLL */ |
| gen_insll(ra, rb, rc, islit, lit); |
| break; |
| case 0x30: |
| /* ZAP */ |
| gen_zap(ra, rb, rc, islit, lit); |
| break; |
| case 0x31: |
| /* ZAPNOT */ |
| gen_zapnot(ra, rb, rc, islit, lit); |
| break; |
| case 0x32: |
| /* MSKQL */ |
| gen_mskql(ra, rb, rc, islit, lit); |
| break; |
| case 0x34: |
| /* SRL */ |
| if (likely(rc != 31)) { |
| if (ra != 31) { |
| if (islit) |
| tcg_gen_shri_i64(cpu_ir[rc], cpu_ir[ra], lit & 0x3f); |
| else { |
| TCGv shift = tcg_temp_new(); |
| tcg_gen_andi_i64(shift, cpu_ir[rb], 0x3f); |
| tcg_gen_shr_i64(cpu_ir[rc], cpu_ir[ra], shift); |
| tcg_temp_free(shift); |
| } |
| } else |
| tcg_gen_movi_i64(cpu_ir[rc], 0); |
| } |
| break; |
| case 0x36: |
| /* EXTQL */ |
| gen_ext_l(NULL, ra, rb, rc, islit, lit); |
| break; |
| case 0x39: |
| /* SLL */ |
| if (likely(rc != 31)) { |
| if (ra != 31) { |
| if (islit) |
| tcg_gen_shli_i64(cpu_ir[rc], cpu_ir[ra], lit & 0x3f); |
| else { |
| TCGv shift = tcg_temp_new(); |
| tcg_gen_andi_i64(shift, cpu_ir[rb], 0x3f); |
| tcg_gen_shl_i64(cpu_ir[rc], cpu_ir[ra], shift); |
| tcg_temp_free(shift); |
| } |
| } else |
| tcg_gen_movi_i64(cpu_ir[rc], 0); |
| } |
| break; |
| case 0x3B: |
| /* INSQL */ |
| gen_insql(ra, rb, rc, islit, lit); |
| break; |
| case 0x3C: |
| /* SRA */ |
| if (likely(rc != 31)) { |
| if (ra != 31) { |
| if (islit) |
| tcg_gen_sari_i64(cpu_ir[rc], cpu_ir[ra], lit & 0x3f); |
| else { |
| TCGv shift = tcg_temp_new(); |
| tcg_gen_andi_i64(shift, cpu_ir[rb], 0x3f); |
| tcg_gen_sar_i64(cpu_ir[rc], cpu_ir[ra], shift); |
| tcg_temp_free(shift); |
| } |
| } else |
| tcg_gen_movi_i64(cpu_ir[rc], 0); |
| } |
| break; |
| case 0x52: |
| /* MSKWH */ |
| gen_mskwh(ra, rb, rc, islit, lit); |
| break; |
| case 0x57: |
| /* INSWH */ |
| gen_inswh(ra, rb, rc, islit, lit); |
| break; |
| case 0x5A: |
| /* EXTWH */ |
| gen_ext_h(&tcg_gen_ext16u_i64, ra, rb, rc, islit, lit); |
| break; |
| case 0x62: |
| /* MSKLH */ |
| gen_msklh(ra, rb, rc, islit, lit); |
| break; |
| case 0x67: |
| /* INSLH */ |
| gen_inslh(ra, rb, rc, islit, lit); |
| break; |
| case 0x6A: |
| /* EXTLH */ |
| gen_ext_h(&tcg_gen_ext16u_i64, ra, rb, rc, islit, lit); |
| break; |
| case 0x72: |
| /* MSKQH */ |
| gen_mskqh(ra, rb, rc, islit, lit); |
| break; |
| case 0x77: |
| /* INSQH */ |
| gen_insqh(ra, rb, rc, islit, lit); |
| break; |
| case 0x7A: |
| /* EXTQH */ |
| gen_ext_h(NULL, ra, rb, rc, islit, lit); |
| break; |
| default: |
| goto invalid_opc; |
| } |
| break; |
| case 0x13: |
| switch (fn7) { |
| case 0x00: |
| /* MULL */ |
| if (likely(rc != 31)) { |
| if (ra == 31) |
| tcg_gen_movi_i64(cpu_ir[rc], 0); |
| else { |
| if (islit) |
| tcg_gen_muli_i64(cpu_ir[rc], cpu_ir[ra], lit); |
| else |
| tcg_gen_mul_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]); |
| tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rc]); |
| } |
| } |
| break; |
| case 0x20: |
| /* MULQ */ |
| if (likely(rc != 31)) { |
| if (ra == 31) |
| tcg_gen_movi_i64(cpu_ir[rc], 0); |
| else if (islit) |
| tcg_gen_muli_i64(cpu_ir[rc], cpu_ir[ra], lit); |
| else |
| tcg_gen_mul_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]); |
| } |
| break; |
| case 0x30: |
| /* UMULH */ |
| gen_umulh(ra, rb, rc, islit, lit); |
| break; |
| case 0x40: |
| /* MULL/V */ |
| gen_mullv(ra, rb, rc, islit, lit); |
| break; |
| case 0x60: |
| /* MULQ/V */ |
| gen_mulqv(ra, rb, rc, islit, lit); |
| break; |
| default: |
| goto invalid_opc; |
| } |
| break; |
| case 0x14: |
| switch (fpfn) { /* f11 & 0x3F */ |
| case 0x04: |
| /* ITOFS */ |
| if (!(ctx->amask & AMASK_FIX)) |
| goto invalid_opc; |
| if (likely(rc != 31)) { |
| if (ra != 31) { |
| TCGv_i32 tmp = tcg_temp_new_i32(); |
| tcg_gen_trunc_i64_i32(tmp, cpu_ir[ra]); |
| gen_helper_memory_to_s(cpu_fir[rc], tmp); |
| tcg_temp_free_i32(tmp); |
| } else |
| tcg_gen_movi_i64(cpu_fir[rc], 0); |
| } |
| break; |
| case 0x0A: |
| /* SQRTF */ |
| if (!(ctx->amask & AMASK_FIX)) |
| goto invalid_opc; |
| gen_fsqrtf(rb, rc); |
| break; |
| case 0x0B: |
| /* SQRTS */ |
| if (!(ctx->amask & AMASK_FIX)) |
| goto invalid_opc; |
| gen_fsqrts(rb, rc); |
| break; |
| case 0x14: |
| /* ITOFF */ |
| if (!(ctx->amask & AMASK_FIX)) |
| goto invalid_opc; |
| if (likely(rc != 31)) { |
| if (ra != 31) { |
| TCGv_i32 tmp = tcg_temp_new_i32(); |
| tcg_gen_trunc_i64_i32(tmp, cpu_ir[ra]); |
| gen_helper_memory_to_f(cpu_fir[rc], tmp); |
| tcg_temp_free_i32(tmp); |
| } else |
| tcg_gen_movi_i64(cpu_fir[rc], 0); |
| } |
| break; |
| case 0x24: |
| /* ITOFT */ |
| if (!(ctx->amask & AMASK_FIX)) |
| goto invalid_opc; |
| if (likely(rc != 31)) { |
| if (ra != 31) |
| tcg_gen_mov_i64(cpu_fir[rc], cpu_ir[ra]); |
| else |
| tcg_gen_movi_i64(cpu_fir[rc], 0); |
| } |
| break; |
| case 0x2A: |
| /* SQRTG */ |
| if (!(ctx->amask & AMASK_FIX)) |
| goto invalid_opc; |
| gen_fsqrtg(rb, rc); |
| break; |
| case 0x02B: |
| /* SQRTT */ |
| if (!(ctx->amask & AMASK_FIX)) |
| goto invalid_opc; |
| gen_fsqrtt(rb, rc); |
| break; |
| default: |
| goto invalid_opc; |
| } |
| break; |
| case 0x15: |
| /* VAX floating point */ |
| /* XXX: rounding mode and trap are ignored (!) */ |
| switch (fpfn) { /* f11 & 0x3F */ |
| case 0x00: |
| /* ADDF */ |
| gen_faddf(ra, rb, rc); |
| break; |
| case 0x01: |
| /* SUBF */ |
| gen_fsubf(ra, rb, rc); |
| break; |
| case 0x02: |
| /* MULF */ |
| gen_fmulf(ra, rb, rc); |
| break; |
| case 0x03: |
| /* DIVF */ |
| gen_fdivf(ra, rb, rc); |
| break; |
| case 0x1E: |
| /* CVTDG */ |
| #if 0 // TODO |
| gen_fcvtdg(rb, rc); |
| #else |
| goto invalid_opc; |
| #endif |
| break; |
| case 0x20: |
| /* ADDG */ |
| gen_faddg(ra, rb, rc); |
| break; |
| case 0x21: |
| /* SUBG */ |
| gen_fsubg(ra, rb, rc); |
| break; |
| case 0x22: |
| /* MULG */ |
| gen_fmulg(ra, rb, rc); |
| break; |
| case 0x23: |
| /* DIVG */ |
| gen_fdivg(ra, rb, rc); |
| break; |
| case 0x25: |
| /* CMPGEQ */ |
| gen_fcmpgeq(ra, rb, rc); |
| break; |
| case 0x26: |
| /* CMPGLT */ |
| gen_fcmpglt(ra, rb, rc); |
| break; |
| case 0x27: |
| /* CMPGLE */ |
| gen_fcmpgle(ra, rb, rc); |
| break; |
| case 0x2C: |
| /* CVTGF */ |
| gen_fcvtgf(rb, rc); |
| break; |
| case 0x2D: |
| /* CVTGD */ |
| #if 0 // TODO |
| gen_fcvtgd(rb, rc); |
| #else |
| goto invalid_opc; |
| #endif |
| break; |
| case 0x2F: |
| /* CVTGQ */ |
| gen_fcvtgq(rb, rc); |
| break; |
| case 0x3C: |
| /* CVTQF */ |
| gen_fcvtqf(rb, rc); |
| break; |
| case 0x3E: |
| /* CVTQG */ |
| gen_fcvtqg(rb, rc); |
| break; |
| default: |
| goto invalid_opc; |
| } |
| break; |
| case 0x16: |
| /* IEEE floating-point */ |
| /* XXX: rounding mode and traps are ignored (!) */ |
| switch (fpfn) { /* f11 & 0x3F */ |
| case 0x00: |
| /* ADDS */ |
| gen_fadds(ra, rb, rc); |
| break; |
| case 0x01: |
| /* SUBS */ |
| gen_fsubs(ra, rb, rc); |
| break; |
| case 0x02: |
| /* MULS */ |
| gen_fmuls(ra, rb, rc); |
| break; |
| case 0x03: |
| /* DIVS */ |
| gen_fdivs(ra, rb, rc); |
| break; |
| case 0x20: |
| /* ADDT */ |
| gen_faddt(ra, rb, rc); |
| break; |
| case 0x21: |
| /* SUBT */ |
| gen_fsubt(ra, rb, rc); |
| break; |
| case 0x22: |
| /* MULT */ |
| gen_fmult(ra, rb, rc); |
| break; |
| case 0x23: |
| /* DIVT */ |
| gen_fdivt(ra, rb, rc); |
| break; |
| case 0x24: |
| /* CMPTUN */ |
| gen_fcmptun(ra, rb, rc); |
| break; |
| case 0x25: |
| /* CMPTEQ */ |
| gen_fcmpteq(ra, rb, rc); |
| break; |
| case 0x26: |
| /* CMPTLT */ |
| gen_fcmptlt(ra, rb, rc); |
| break; |
| case 0x27: |
| /* CMPTLE */ |
| gen_fcmptle(ra, rb, rc); |
| break; |
| case 0x2C: |
| /* XXX: incorrect */ |
| if (fn11 == 0x2AC || fn11 == 0x6AC) { |
| /* CVTST */ |
| gen_fcvtst(rb, rc); |
| } else { |
| /* CVTTS */ |
| gen_fcvtts(rb, rc); |
| } |
| break; |
| case 0x2F: |
| /* CVTTQ */ |
| gen_fcvttq(rb, rc); |
| break; |
| case 0x3C: |
| /* CVTQS */ |
| gen_fcvtqs(rb, rc); |
| break; |
| case 0x3E: |
| /* CVTQT */ |
| gen_fcvtqt(rb, rc); |
| break; |
| default: |
| goto invalid_opc; |
| } |
| break; |
| case 0x17: |
| switch (fn11) { |
| case 0x010: |
| /* CVTLQ */ |
| gen_fcvtlq(rb, rc); |
| break; |
| case 0x020: |
| if (likely(rc != 31)) { |
| if (ra == rb) |
| /* FMOV */ |
| tcg_gen_mov_i64(cpu_fir[rc], cpu_fir[ra]); |
| else |
| /* CPYS */ |
| gen_fcpys(ra, rb, rc); |
| } |
| break; |
| case 0x021: |
| /* CPYSN */ |
| gen_fcpysn(ra, rb, rc); |
| break; |
| case 0x022: |
| /* CPYSE */ |
| gen_fcpyse(ra, rb, rc); |
| break; |
| case 0x024: |
| /* MT_FPCR */ |
| if (likely(ra != 31)) |
| gen_helper_store_fpcr(cpu_fir[ra]); |
| else { |
| TCGv tmp = tcg_const_i64(0); |
| gen_helper_store_fpcr(tmp); |
| tcg_temp_free(tmp); |
| } |
| break; |
| case 0x025: |
| /* MF_FPCR */ |
| if (likely(ra != 31)) |
| gen_helper_load_fpcr(cpu_fir[ra]); |
| break; |
| case 0x02A: |
| /* FCMOVEQ */ |
| gen_fcmpfeq(ra, rb, rc); |
| break; |
| case 0x02B: |
| /* FCMOVNE */ |
| gen_fcmpfne(ra, rb, rc); |
| break; |
| case 0x02C: |
| /* FCMOVLT */ |
| gen_fcmpflt(ra, rb, rc); |
| break; |
| case 0x02D: |
| /* FCMOVGE */ |
| gen_fcmpfge(ra, rb, rc); |
| break; |
| case 0x02E: |
| /* FCMOVLE */ |
| gen_fcmpfle(ra, rb, rc); |
| break; |
| case 0x02F: |
| /* FCMOVGT */ |
| gen_fcmpfgt(ra, rb, rc); |
| break; |
| case 0x030: |
| /* CVTQL */ |
| gen_fcvtql(rb, rc); |
| break; |
| case 0x130: |
| /* CVTQL/V */ |
| gen_fcvtqlv(rb, rc); |
| break; |
| case 0x530: |
| /* CVTQL/SV */ |
| gen_fcvtqlsv(rb, rc); |
| break; |
| default: |
| goto invalid_opc; |
| } |
| break; |
| case 0x18: |
| switch ((uint16_t)disp16) { |
| case 0x0000: |
| /* TRAPB */ |
| /* No-op. Just exit from the current tb */ |
| ret = 2; |
| break; |
| case 0x0400: |
| /* EXCB */ |
| /* No-op. Just exit from the current tb */ |
| ret = 2; |
| break; |
| case 0x4000: |
| /* MB */ |
| /* No-op */ |
| break; |
| case 0x4400: |
| /* WMB */ |
| /* No-op */ |
| break; |
| case 0x8000: |
| /* FETCH */ |
| /* No-op */ |
| break; |
| case 0xA000: |
| /* FETCH_M */ |
| /* No-op */ |
| break; |
| case 0xC000: |
| /* RPCC */ |
| if (ra != 31) |
| gen_helper_load_pcc(cpu_ir[ra]); |
| break; |
| case 0xE000: |
| /* RC */ |
| if (ra != 31) |
| gen_helper_rc(cpu_ir[ra]); |
| break; |
| case 0xE800: |
| /* ECB */ |
| /* XXX: TODO: evict tb cache at address rb */ |
| #if 0 |
| ret = 2; |
| #else |
| goto invalid_opc; |
| #endif |
| break; |
| case 0xF000: |
| /* RS */ |
| if (ra != 31) |
| gen_helper_rs(cpu_ir[ra]); |
| break; |
| case 0xF800: |
| /* WH64 */ |
| /* No-op */ |
| break; |
| default: |
| goto invalid_opc; |
| } |
| break; |
| case 0x19: |
| /* HW_MFPR (PALcode) */ |
| #if defined (CONFIG_USER_ONLY) |
| goto invalid_opc; |
| #else |
| if (!ctx->pal_mode) |
| goto invalid_opc; |
| if (ra != 31) { |
| TCGv tmp = tcg_const_i32(insn & 0xFF); |
| gen_helper_mfpr(cpu_ir[ra], tmp, cpu_ir[ra]); |
| tcg_temp_free(tmp); |
| } |
| break; |
| #endif |
| case 0x1A: |
| if (rb != 31) |
| tcg_gen_andi_i64(cpu_pc, cpu_ir[rb], ~3); |
| else |
| tcg_gen_movi_i64(cpu_pc, 0); |
| if (ra != 31) |
| tcg_gen_movi_i64(cpu_ir[ra], ctx->pc); |
| /* Those four jumps only differ by the branch prediction hint */ |
| switch (fn2) { |
| case 0x0: |
| /* JMP */ |
| break; |
| case 0x1: |
| /* JSR */ |
| break; |
| case 0x2: |
| /* RET */ |
| break; |
| case 0x3: |
| /* JSR_COROUTINE */ |
| break; |
| } |
| ret = 1; |
| break; |
| case 0x1B: |
| /* HW_LD (PALcode) */ |
| #if defined (CONFIG_USER_ONLY) |
| goto invalid_opc; |
| #else |
| if (!ctx->pal_mode) |
| goto invalid_opc; |
| if (ra != 31) { |
| TCGv addr = tcg_temp_new(); |
| if (rb != 31) |
| tcg_gen_addi_i64(addr, cpu_ir[rb], disp12); |
| else |
| tcg_gen_movi_i64(addr, disp12); |
| switch ((insn >> 12) & 0xF) { |
| case 0x0: |
| /* Longword physical access */ |
| gen_helper_ldl_raw(cpu_ir[ra], addr); |
| break; |
| case 0x1: |
| /* Quadword physical access */ |
| gen_helper_ldq_raw(cpu_ir[ra], addr); |
| break; |
| case 0x2: |
| /* Longword physical access with lock */ |
| gen_helper_ldl_l_raw(cpu_ir[ra], addr); |
| break; |
| case 0x3: |
| /* Quadword physical access with lock */ |
| gen_helper_ldq_l_raw(cpu_ir[ra], addr); |
| break; |
| case 0x4: |
| /* Longword virtual PTE fetch */ |
| gen_helper_ldl_kernel(cpu_ir[ra], addr); |
| break; |
| case 0x5: |
| /* Quadword virtual PTE fetch */ |
| gen_helper_ldq_kernel(cpu_ir[ra], addr); |
| break; |
| case 0x6: |
| /* Incpu_ir[ra]id */ |
| goto incpu_ir[ra]id_opc; |
| case 0x7: |
| /* Incpu_ir[ra]id */ |
| goto incpu_ir[ra]id_opc; |
| case 0x8: |
| /* Longword virtual access */ |
| gen_helper_st_virt_to_phys(addr, addr); |
| gen_helper_ldl_raw(cpu_ir[ra], addr); |
| break; |
| case 0x9: |
| /* Quadword virtual access */ |
| gen_helper_st_virt_to_phys(addr, addr); |
| gen_helper_ldq_raw(cpu_ir[ra], addr); |
| break; |
| case 0xA: |
| /* Longword virtual access with protection check */ |
| tcg_gen_qemu_ld32s(cpu_ir[ra], addr, ctx->flags); |
| break; |
| case 0xB: |
| /* Quadword virtual access with protection check */ |
| tcg_gen_qemu_ld64(cpu_ir[ra], addr, ctx->flags); |
| break; |
| case 0xC: |
| /* Longword virtual access with altenate access mode */ |
| gen_helper_set_alt_mode(); |
| gen_helper_st_virt_to_phys(addr, addr); |
| gen_helper_ldl_raw(cpu_ir[ra], addr); |
| gen_helper_restore_mode(); |
| break; |
| case 0xD: |
| /* Quadword virtual access with altenate access mode */ |
| gen_helper_set_alt_mode(); |
| gen_helper_st_virt_to_phys(addr, addr); |
| gen_helper_ldq_raw(cpu_ir[ra], addr); |
| gen_helper_restore_mode(); |
| break; |
| case 0xE: |
| /* Longword virtual access with alternate access mode and |
| * protection checks |
| */ |
| gen_helper_set_alt_mode(); |
| gen_helper_ldl_data(cpu_ir[ra], addr); |
| gen_helper_restore_mode(); |
| break; |
| case 0xF: |
| /* Quadword virtual access with alternate access mode and |
| * protection checks |
| */ |
| gen_helper_set_alt_mode(); |
| gen_helper_ldq_data(cpu_ir[ra], addr); |
| gen_helper_restore_mode(); |
| break; |
| } |
| tcg_temp_free(addr); |
| } |
| break; |
| #endif |
| case 0x1C: |
| switch (fn7) { |
| case 0x00: |
| /* SEXTB */ |
| if (!(ctx->amask & AMASK_BWX)) |
| goto invalid_opc; |
| if (likely(rc != 31)) { |
| if (islit) |
| tcg_gen_movi_i64(cpu_ir[rc], (int64_t)((int8_t)lit)); |
| else |
| tcg_gen_ext8s_i64(cpu_ir[rc], cpu_ir[rb]); |
| } |
| break; |
| case 0x01: |
| /* SEXTW */ |
| if (!(ctx->amask & AMASK_BWX)) |
| goto invalid_opc; |
| if (likely(rc != 31)) { |
| if (islit) |
| tcg_gen_movi_i64(cpu_ir[rc], (int64_t)((int16_t)lit)); |
| else |
| tcg_gen_ext16s_i64(cpu_ir[rc], cpu_ir[rb]); |
| } |
| break; |
| case 0x30: |
| /* CTPOP */ |
| if (!(ctx->amask & AMASK_CIX)) |
| goto invalid_opc; |
| if (likely(rc != 31)) { |
| if (islit) |
| tcg_gen_movi_i64(cpu_ir[rc], ctpop64(lit)); |
| else |
| gen_helper_ctpop(cpu_ir[rc], cpu_ir[rb]); |
| } |
| break; |
| case 0x31: |
| /* PERR */ |
| if (!(ctx->amask & AMASK_MVI)) |
| goto invalid_opc; |
| /* XXX: TODO */ |
| goto invalid_opc; |
| break; |
| case 0x32: |
| /* CTLZ */ |
| if (!(ctx->amask & AMASK_CIX)) |
| goto invalid_opc; |
| if (likely(rc != 31)) { |
| if (islit) |
| tcg_gen_movi_i64(cpu_ir[rc], clz64(lit)); |
| else |
| gen_helper_ctlz(cpu_ir[rc], cpu_ir[rb]); |
| } |
| break; |
| case 0x33: |
| /* CTTZ */ |
| if (!(ctx->amask & AMASK_CIX)) |
| goto invalid_opc; |
| if (likely(rc != 31)) { |
| if (islit) |
| tcg_gen_movi_i64(cpu_ir[rc], ctz64(lit)); |
| else |
| gen_helper_cttz(cpu_ir[rc], cpu_ir[rb]); |
| } |
| break; |
| case 0x34: |
| /* UNPKBW */ |
| if (!(ctx->amask & AMASK_MVI)) |
| goto invalid_opc; |
| /* XXX: TODO */ |
| goto invalid_opc; |
| break; |
| case 0x35: |
| /* UNPKWL */ |
| if (!(ctx->amask & AMASK_MVI)) |
| goto invalid_opc; |
| /* XXX: TODO */ |
| goto invalid_opc; |
| break; |
| case 0x36: |
| /* PKWB */ |
| if (!(ctx->amask & AMASK_MVI)) |
| goto invalid_opc; |
| /* XXX: TODO */ |
| goto invalid_opc; |
| break; |
| case 0x37: |
| /* PKLB */ |
| if (!(ctx->amask & AMASK_MVI)) |
| goto invalid_opc; |
| /* XXX: TODO */ |
| goto invalid_opc; |
| break; |
| case 0x38: |
| /* MINSB8 */ |
| if (!(ctx->amask & AMASK_MVI)) |
| goto invalid_opc; |
| /* XXX: TODO */ |
| goto invalid_opc; |
| break; |
| case 0x39: |
| /* MINSW4 */ |
| if (!(ctx->amask & AMASK_MVI)) |
| goto invalid_opc; |
| /* XXX: TODO */ |
| goto invalid_opc; |
| break; |
| case 0x3A: |
| /* MINUB8 */ |
| if (!(ctx->amask & AMASK_MVI)) |
| goto invalid_opc; |
| /* XXX: TODO */ |
| goto invalid_opc; |
| break; |
| case 0x3B: |
| /* MINUW4 */ |
| if (!(ctx->amask & AMASK_MVI)) |
| goto invalid_opc; |
| /* XXX: TODO */ |
| goto invalid_opc; |
| break; |
| case 0x3C: |
| /* MAXUB8 */ |
| if (!(ctx->amask & AMASK_MVI)) |
| goto invalid_opc; |
| /* XXX: TODO */ |
| goto invalid_opc; |
| break; |
| case 0x3D: |
| /* MAXUW4 */ |
| if (!(ctx->amask & AMASK_MVI)) |
| goto invalid_opc; |
| /* XXX: TODO */ |
| goto invalid_opc; |
| break; |
| case 0x3E: |
| /* MAXSB8 */ |
| if (!(ctx->amask & AMASK_MVI)) |
| goto invalid_opc; |
| /* XXX: TODO */ |
| goto invalid_opc; |
| break; |
| case 0x3F: |
| /* MAXSW4 */ |
| if (!(ctx->amask & AMASK_MVI)) |
| goto invalid_opc; |
| /* XXX: TODO */ |
| goto invalid_opc; |
| break; |
| case 0x70: |
| /* FTOIT */ |
| if (!(ctx->amask & AMASK_FIX)) |
| goto invalid_opc; |
| if (likely(rc != 31)) { |
| if (ra != 31) |
| tcg_gen_mov_i64(cpu_ir[rc], cpu_fir[ra]); |
| else |
| tcg_gen_movi_i64(cpu_ir[rc], 0); |
| } |
| break; |
| case 0x78: |
| /* FTOIS */ |
| if (!(ctx->amask & AMASK_FIX)) |
| goto invalid_opc; |
| if (rc != 31) { |
| TCGv_i32 tmp1 = tcg_temp_new_i32(); |
| if (ra != 31) |
| gen_helper_s_to_memory(tmp1, cpu_fir[ra]); |
| else { |
| TCGv tmp2 = tcg_const_i64(0); |
| gen_helper_s_to_memory(tmp1, tmp2); |
| tcg_temp_free(tmp2); |
| } |
| tcg_gen_ext_i32_i64(cpu_ir[rc], tmp1); |
| tcg_temp_free_i32(tmp1); |
| } |
| break; |
| default: |
| goto invalid_opc; |
| } |
| break; |
| case 0x1D: |
| /* HW_MTPR (PALcode) */ |
| #if defined (CONFIG_USER_ONLY) |
| goto invalid_opc; |
| #else |
| if (!ctx->pal_mode) |
| goto invalid_opc; |
| else { |
| TCGv tmp1 = tcg_const_i32(insn & 0xFF); |
| if (ra != 31) |
| gen_helper_mtpr(tmp1, cpu_ir[ra]); |
| else { |
| TCGv tmp2 = tcg_const_i64(0); |
| gen_helper_mtpr(tmp1, tmp2); |
| tcg_temp_free(tmp2); |
| } |
| tcg_temp_free(tmp1); |
| ret = 2; |
| } |
| break; |
| #endif |
| case 0x1E: |
| /* HW_REI (PALcode) */ |
| #if defined (CONFIG_USER_ONLY) |
| goto invalid_opc; |
| #else |
| if (!ctx->pal_mode) |
| goto invalid_opc; |
| if (rb == 31) { |
| /* "Old" alpha */ |
| gen_helper_hw_rei(); |
| } else { |
| TCGv tmp; |
| |
| if (ra != 31) { |
| tmp = tcg_temp_new(); |
| tcg_gen_addi_i64(tmp, cpu_ir[rb], (((int64_t)insn << 51) >> 51)); |
| } else |
| tmp = tcg_const_i64(((int64_t)insn << 51) >> 51); |
| gen_helper_hw_ret(tmp); |
| tcg_temp_free(tmp); |
| } |
| ret = 2; |
| break; |
| #endif |
| case 0x1F: |
| /* HW_ST (PALcode) */ |
| #if defined (CONFIG_USER_ONLY) |
| goto invalid_opc; |
| #else |
| if (!ctx->pal_mode) |
| goto invalid_opc; |
| else { |
| TCGv addr, val; |
| addr = tcg_temp_new(); |
| if (rb != 31) |
| tcg_gen_addi_i64(addr, cpu_ir[rb], disp12); |
| else |
| tcg_gen_movi_i64(addr, disp12); |
| if (ra != 31) |
| val = cpu_ir[ra]; |
| else { |
| val = tcg_temp_new(); |
| tcg_gen_movi_i64(val, 0); |
| } |
| switch ((insn >> 12) & 0xF) { |
| case 0x0: |
| /* Longword physical access */ |
| gen_helper_stl_raw(val, addr); |
| break; |
| case 0x1: |
| /* Quadword physical access */ |
| gen_helper_stq_raw(val, addr); |
| break; |
| case 0x2: |
| /* Longword physical access with lock */ |
| gen_helper_stl_c_raw(val, val, addr); |
| break; |
| case 0x3: |
| /* Quadword physical access with lock */ |
| gen_helper_stq_c_raw(val, val, addr); |
| break; |
| case 0x4: |
| /* Longword virtual access */ |
| gen_helper_st_virt_to_phys(addr, addr); |
| gen_helper_stl_raw(val, addr); |
| break; |
| case 0x5: |
| /* Quadword virtual access */ |
| gen_helper_st_virt_to_phys(addr, addr); |
| gen_helper_stq_raw(val, addr); |
| break; |
| case 0x6: |
| /* Invalid */ |
| goto invalid_opc; |
| case 0x7: |
| /* Invalid */ |
| goto invalid_opc; |
| case 0x8: |
| /* Invalid */ |
| goto invalid_opc; |
| case 0x9: |
| /* Invalid */ |
| goto invalid_opc; |
| case 0xA: |
| /* Invalid */ |
| goto invalid_opc; |
| case 0xB: |
| /* Invalid */ |
| goto invalid_opc; |
| case 0xC: |
| /* Longword virtual access with alternate access mode */ |
| gen_helper_set_alt_mode(); |
| gen_helper_st_virt_to_phys(addr, addr); |
| gen_helper_stl_raw(val, addr); |
| gen_helper_restore_mode(); |
| break; |
| case 0xD: |
| /* Quadword virtual access with alternate access mode */ |
| gen_helper_set_alt_mode(); |
| gen_helper_st_virt_to_phys(addr, addr); |
| gen_helper_stl_raw(val, addr); |
| gen_helper_restore_mode(); |
| break; |
| case 0xE: |
| /* Invalid */ |
| goto invalid_opc; |
| case 0xF: |
| /* Invalid */ |
| goto invalid_opc; |
| } |
| if (ra != 31) |
| tcg_temp_free(val); |
| tcg_temp_free(addr); |
| } |
| ret = 2; |
| break; |
| #endif |
| case 0x20: |
| /* LDF */ |
| gen_load_mem(ctx, &gen_qemu_ldf, ra, rb, disp16, 1, 0); |
| break; |
| case 0x21: |
| /* LDG */ |
| gen_load_mem(ctx, &gen_qemu_ldg, ra, rb, disp16, 1, 0); |
| break; |
| case 0x22: |
| /* LDS */ |
| gen_load_mem(ctx, &gen_qemu_lds, ra, rb, disp16, 1, 0); |
| break; |
| case 0x23: |
| /* LDT */ |
| gen_load_mem(ctx, &tcg_gen_qemu_ld64, ra, rb, disp16, 1, 0); |
| break; |
| case 0x24: |
| /* STF */ |
| gen_store_mem(ctx, &gen_qemu_stf, ra, rb, disp16, 1, 0, 0); |
| break; |
| case 0x25: |
| /* STG */ |
| gen_store_mem(ctx, &gen_qemu_stg, ra, rb, disp16, 1, 0, 0); |
| break; |
| case 0x26: |
| /* STS */ |
| gen_store_mem(ctx, &gen_qemu_sts, ra, rb, disp16, 1, 0, 0); |
| break; |
| case 0x27: |
| /* STT */ |
| gen_store_mem(ctx, &tcg_gen_qemu_st64, ra, rb, disp16, 1, 0, 0); |
| break; |
| case 0x28: |
| /* LDL */ |
| gen_load_mem(ctx, &tcg_gen_qemu_ld32s, ra, rb, disp16, 0, 0); |
| break; |
| case 0x29: |
| /* LDQ */ |
| gen_load_mem(ctx, &tcg_gen_qemu_ld64, ra, rb, disp16, 0, 0); |
| break; |
| case 0x2A: |
| /* LDL_L */ |
| gen_load_mem(ctx, &gen_qemu_ldl_l, ra, rb, disp16, 0, 0); |
| break; |
| case 0x2B: |
| /* LDQ_L */ |
| gen_load_mem(ctx, &gen_qemu_ldq_l, ra, rb, disp16, 0, 0); |
| break; |
| case 0x2C: |
| /* STL */ |
| gen_store_mem(ctx, &tcg_gen_qemu_st32, ra, rb, disp16, 0, 0, 0); |
| break; |
| case 0x2D: |
| /* STQ */ |
| gen_store_mem(ctx, &tcg_gen_qemu_st64, ra, rb, disp16, 0, 0, 0); |
| break; |
| case 0x2E: |
| /* STL_C */ |
| gen_store_mem(ctx, &gen_qemu_stl_c, ra, rb, disp16, 0, 0, 1); |
| break; |
| case 0x2F: |
| /* STQ_C */ |
| gen_store_mem(ctx, &gen_qemu_stq_c, ra, rb, disp16, 0, 0, 1); |
| break; |
| case 0x30: |
| /* BR */ |
| if (ra != 31) |
| tcg_gen_movi_i64(cpu_ir[ra], ctx->pc); |
| tcg_gen_movi_i64(cpu_pc, ctx->pc + (int64_t)(disp21 << 2)); |
| ret = 1; |
| break; |
| case 0x31: /* FBEQ */ |
| case 0x32: /* FBLT */ |
| case 0x33: /* FBLE */ |
| gen_fbcond(ctx, opc, ra, disp16); |
| ret = 1; |
| break; |
| case 0x34: |
| /* BSR */ |
| if (ra != 31) |
| tcg_gen_movi_i64(cpu_ir[ra], ctx->pc); |
| tcg_gen_movi_i64(cpu_pc, ctx->pc + (int64_t)(disp21 << 2)); |
| ret = 1; |
| break; |
| case 0x35: /* FBNE */ |
| case 0x36: /* FBGE */ |
| case 0x37: /* FBGT */ |
| gen_fbcond(ctx, opc, ra, disp16); |
| ret = 1; |
| break; |
| case 0x38: |
| /* BLBC */ |
| gen_bcond(ctx, TCG_COND_EQ, ra, disp16, 1); |
| ret = 1; |
| break; |
| case 0x39: |
| /* BEQ */ |
| gen_bcond(ctx, TCG_COND_EQ, ra, disp16, 0); |
| ret = 1; |
| break; |
| case 0x3A: |
| /* BLT */ |
| gen_bcond(ctx, TCG_COND_LT, ra, disp16, 0); |
| ret = 1; |
| break; |
| case 0x3B: |
| /* BLE */ |
| gen_bcond(ctx, TCG_COND_LE, ra, disp16, 0); |
| ret = 1; |
| break; |
| case 0x3C: |
| /* BLBS */ |
| gen_bcond(ctx, TCG_COND_NE, ra, disp16, 1); |
| ret = 1; |
| break; |
| case 0x3D: |
| /* BNE */ |
| gen_bcond(ctx, TCG_COND_NE, ra, disp16, 0); |
| ret = 1; |
| break; |
| case 0x3E: |
| /* BGE */ |
| gen_bcond(ctx, TCG_COND_GE, ra, disp16, 0); |
| ret = 1; |
| break; |
| case 0x3F: |
| /* BGT */ |
| gen_bcond(ctx, TCG_COND_GT, ra, disp16, 0); |
| ret = 1; |
| break; |
| invalid_opc: |
| gen_invalid(ctx); |
| ret = 3; |
| break; |
| } |
| |
| return ret; |
| } |
| |
| static always_inline void gen_intermediate_code_internal (CPUState *env, |
| TranslationBlock *tb, |
| int search_pc) |
| { |
| #if defined ALPHA_DEBUG_DISAS |
| static int insn_count; |
| #endif |
| DisasContext ctx, *ctxp = &ctx; |
| target_ulong pc_start; |
| uint32_t insn; |
| uint16_t *gen_opc_end; |
| CPUBreakpoint *bp; |
| int j, lj = -1; |
| int ret; |
| int num_insns; |
| int max_insns; |
| |
| pc_start = tb->pc; |
| gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; |
| ctx.pc = pc_start; |
| ctx.amask = env->amask; |
| #if defined (CONFIG_USER_ONLY) |
| ctx.mem_idx = 0; |
| #else |
| ctx.mem_idx = ((env->ps >> 3) & 3); |
| ctx.pal_mode = env->ipr[IPR_EXC_ADDR] & 1; |
| #endif |
| num_insns = 0; |
| max_insns = tb->cflags & CF_COUNT_MASK; |
| if (max_insns == 0) |
| max_insns = CF_COUNT_MASK; |
| |
| gen_icount_start(); |
| for (ret = 0; ret == 0;) { |
| if (unlikely(!TAILQ_EMPTY(&env->breakpoints))) { |
| TAILQ_FOREACH(bp, &env->breakpoints, entry) { |
| if (bp->pc == ctx.pc) { |
| gen_excp(&ctx, EXCP_DEBUG, 0); |
| break; |
| } |
| } |
| } |
| if (search_pc) { |
| j = gen_opc_ptr - gen_opc_buf; |
| if (lj < j) { |
| lj++; |
| while (lj < j) |
| gen_opc_instr_start[lj++] = 0; |
| gen_opc_pc[lj] = ctx.pc; |
| gen_opc_instr_start[lj] = 1; |
| gen_opc_icount[lj] = num_insns; |
| } |
| } |
| if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO)) |
| gen_io_start(); |
| #if defined ALPHA_DEBUG_DISAS |
| insn_count++; |
| LOG_DISAS("pc " TARGET_FMT_lx " mem_idx %d\n", |
| ctx.pc, ctx.mem_idx); |
| #endif |
| insn = ldl_code(ctx.pc); |
| #if defined ALPHA_DEBUG_DISAS |
| insn_count++; |
| LOG_DISAS("opcode %08x %d\n", insn, insn_count); |
| #endif |
| num_insns++; |
| ctx.pc += 4; |
| ret = translate_one(ctxp, insn); |
| if (ret != 0) |
| break; |
| /* if we reach a page boundary or are single stepping, stop |
| * generation |
| */ |
| if (((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0) || |
| num_insns >= max_insns) { |
| break; |
| } |
| |
| if (env->singlestep_enabled) { |
| gen_excp(&ctx, EXCP_DEBUG, 0); |
| break; |
| } |
| |
| #if defined (DO_SINGLE_STEP) |
| break; |
| #endif |
| } |
| if (ret != 1 && ret != 3) { |
| tcg_gen_movi_i64(cpu_pc, ctx.pc); |
| } |
| #if defined (DO_TB_FLUSH) |
| gen_helper_tb_flush(); |
| #endif |
| if (tb->cflags & CF_LAST_IO) |
| gen_io_end(); |
| /* Generate the return instruction */ |
| tcg_gen_exit_tb(0); |
| gen_icount_end(tb, num_insns); |
| *gen_opc_ptr = INDEX_op_end; |
| if (search_pc) { |
| j = gen_opc_ptr - gen_opc_buf; |
| lj++; |
| while (lj <= j) |
| gen_opc_instr_start[lj++] = 0; |
| } else { |
| tb->size = ctx.pc - pc_start; |
| tb->icount = num_insns; |
| } |
| #if defined ALPHA_DEBUG_DISAS |
| log_cpu_state_mask(CPU_LOG_TB_CPU, env, 0); |
| if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) { |
| qemu_log("IN: %s\n", lookup_symbol(pc_start)); |
| log_target_disas(pc_start, ctx.pc - pc_start, 1); |
| qemu_log("\n"); |
| } |
| #endif |
| } |
| |
| void gen_intermediate_code (CPUState *env, struct TranslationBlock *tb) |
| { |
| gen_intermediate_code_internal(env, tb, 0); |
| } |
| |
| void gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb) |
| { |
| gen_intermediate_code_internal(env, tb, 1); |
| } |
| |
| CPUAlphaState * cpu_alpha_init (const char *cpu_model) |
| { |
| CPUAlphaState *env; |
| uint64_t hwpcb; |
| |
| env = qemu_mallocz(sizeof(CPUAlphaState)); |
| cpu_exec_init(env); |
| alpha_translate_init(); |
| tlb_flush(env, 1); |
| /* XXX: should not be hardcoded */ |
| env->implver = IMPLVER_2106x; |
| env->ps = 0x1F00; |
| #if defined (CONFIG_USER_ONLY) |
| env->ps |= 1 << 3; |
| #endif |
| pal_init(env); |
| /* Initialize IPR */ |
| hwpcb = env->ipr[IPR_PCBB]; |
| env->ipr[IPR_ASN] = 0; |
| env->ipr[IPR_ASTEN] = 0; |
| env->ipr[IPR_ASTSR] = 0; |
| env->ipr[IPR_DATFX] = 0; |
| /* XXX: fix this */ |
| // env->ipr[IPR_ESP] = ldq_raw(hwpcb + 8); |
| // env->ipr[IPR_KSP] = ldq_raw(hwpcb + 0); |
| // env->ipr[IPR_SSP] = ldq_raw(hwpcb + 16); |
| // env->ipr[IPR_USP] = ldq_raw(hwpcb + 24); |
| env->ipr[IPR_FEN] = 0; |
| env->ipr[IPR_IPL] = 31; |
| env->ipr[IPR_MCES] = 0; |
| env->ipr[IPR_PERFMON] = 0; /* Implementation specific */ |
| // env->ipr[IPR_PTBR] = ldq_raw(hwpcb + 32); |
| env->ipr[IPR_SISR] = 0; |
| env->ipr[IPR_VIRBND] = -1ULL; |
| |
| return env; |
| } |
| |
| void gen_pc_load(CPUState *env, TranslationBlock *tb, |
| unsigned long searched_pc, int pc_pos, void *puc) |
| { |
| env->pc = gen_opc_pc[pc_pos]; |
| } |
