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qemu / qemu / 5c61afec86e5b2597b19b4657edc404fd76e6eb9 / . / target-s390x / translate.c
blob: db464cc073a8a0be70382b46258f1696f7d0e1ce [file] [log] [blame]
/*
* 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 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_ILLEGAL_INSTRUCTIONS */
/* #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 "cpu.h"
#include "disas.h"
#include "tcg-op.h"
#include "qemu-log.h"
/* global register indexes */
static TCGv_ptr cpu_env;
#include "gen-icount.h"
#include "helper.h"
#define GEN_HELPER 1
#include "helper.h"
typedef struct DisasContext DisasContext;
struct DisasContext {
uint64_t pc;
int is_jmp;
enum cc_op cc_op;
struct TranslationBlock *tb;
};
#define DISAS_EXCP 4
static void gen_op_calc_cc(DisasContext *s);
#ifdef DEBUG_INLINE_BRANCHES
static uint64_t inline_branch_hit[CC_OP_MAX];
static uint64_t inline_branch_miss[CC_OP_MAX];
#endif
static inline void debug_insn(uint64_t insn)
{
LOG_DISAS("insn: 0x%" PRIx64 "\n", insn);
}
static inline uint64_t pc_to_link_info(DisasContext *s, uint64_t pc)
{
if (!(s->tb->flags & FLAG_MASK_64)) {
if (s->tb->flags & FLAG_MASK_32) {
return pc | 0x80000000;
}
}
return pc;
}
void cpu_dump_state(CPUS390XState *env, FILE *f, fprintf_function cpu_fprintf,
int flags)
{
int i;
if (env->cc_op > 3) {
cpu_fprintf(f, "PSW=mask %016" PRIx64 " addr %016" PRIx64 " cc %15s\n",
env->psw.mask, env->psw.addr, cc_name(env->cc_op));
} else {
cpu_fprintf(f, "PSW=mask %016" PRIx64 " addr %016" PRIx64 " cc %02x\n",
env->psw.mask, env->psw.addr, env->cc_op);
}
for (i = 0; i < 16; i++) {
cpu_fprintf(f, "R%02d=%016" PRIx64, i, env->regs[i]);
if ((i % 4) == 3) {
cpu_fprintf(f, "\n");
} else {
cpu_fprintf(f, " ");
}
}
for (i = 0; i < 16; i++) {
cpu_fprintf(f, "F%02d=%016" PRIx64, i, *(uint64_t *)&env->fregs[i]);
if ((i % 4) == 3) {
cpu_fprintf(f, "\n");
} else {
cpu_fprintf(f, " ");
}
}
#ifndef CONFIG_USER_ONLY
for (i = 0; i < 16; i++) {
cpu_fprintf(f, "C%02d=%016" PRIx64, i, env->cregs[i]);
if ((i % 4) == 3) {
cpu_fprintf(f, "\n");
} else {
cpu_fprintf(f, " ");
}
}
#endif
#ifdef DEBUG_INLINE_BRANCHES
for (i = 0; i < CC_OP_MAX; i++) {
cpu_fprintf(f, " %15s = %10ld\t%10ld\n", cc_name(i),
inline_branch_miss[i], inline_branch_hit[i]);
}
#endif
cpu_fprintf(f, "\n");
}
static TCGv_i64 psw_addr;
static TCGv_i64 psw_mask;
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[10*3 + 6*4];
static TCGv_i64 regs[16];
static uint8_t gen_opc_cc_op[OPC_BUF_SIZE];
void s390x_translate_init(void)
{
int i;
size_t cpu_reg_names_size = sizeof(cpu_reg_names);
char *p;
cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
psw_addr = tcg_global_mem_new_i64(TCG_AREG0, offsetof(CPUS390XState, psw.addr),
"psw_addr");
psw_mask = tcg_global_mem_new_i64(TCG_AREG0, offsetof(CPUS390XState, psw.mask),
"psw_mask");
cc_op = tcg_global_mem_new_i32(TCG_AREG0, offsetof(CPUS390XState, cc_op),
"cc_op");
cc_src = tcg_global_mem_new_i64(TCG_AREG0, offsetof(CPUS390XState, cc_src),
"cc_src");
cc_dst = tcg_global_mem_new_i64(TCG_AREG0, offsetof(CPUS390XState, cc_dst),
"cc_dst");
cc_vr = tcg_global_mem_new_i64(TCG_AREG0, offsetof(CPUS390XState, cc_vr),
"cc_vr");
p = cpu_reg_names;
for (i = 0; i < 16; i++) {
snprintf(p, cpu_reg_names_size, "r%d", i);
regs[i] = tcg_global_mem_new(TCG_AREG0,
offsetof(CPUS390XState, regs[i]), p);
p += (i < 10) ? 3 : 4;
cpu_reg_names_size -= (i < 10) ? 3 : 4;
}
}
static inline TCGv_i64 load_reg(int reg)
{
TCGv_i64 r = tcg_temp_new_i64();
tcg_gen_mov_i64(r, regs[reg]);
return r;
}
static inline TCGv_i64 load_freg(int reg)
{
TCGv_i64 r = tcg_temp_new_i64();
tcg_gen_ld_i64(r, cpu_env, offsetof(CPUS390XState, fregs[reg].d));
return r;
}
static inline TCGv_i32 load_freg32(int reg)
{
TCGv_i32 r = tcg_temp_new_i32();
tcg_gen_ld_i32(r, cpu_env, offsetof(CPUS390XState, fregs[reg].l.upper));
return r;
}
static inline TCGv_i32 load_reg32(int reg)
{
TCGv_i32 r = tcg_temp_new_i32();
tcg_gen_trunc_i64_i32(r, regs[reg]);
return r;
}
static inline TCGv_i64 load_reg32_i64(int reg)
{
TCGv_i64 r = tcg_temp_new_i64();
tcg_gen_ext32s_i64(r, regs[reg]);
return r;
}
static inline void store_reg(int reg, TCGv_i64 v)
{
tcg_gen_mov_i64(regs[reg], v);
}
static inline void store_freg(int reg, TCGv_i64 v)
{
tcg_gen_st_i64(v, cpu_env, offsetof(CPUS390XState, fregs[reg].d));
}
static inline void store_reg32(int reg, TCGv_i32 v)
{
#if HOST_LONG_BITS == 32
tcg_gen_mov_i32(TCGV_LOW(regs[reg]), v);
#else
TCGv_i64 tmp = tcg_temp_new_i64();
tcg_gen_extu_i32_i64(tmp, v);
/* 32 bit register writes keep the upper half */
tcg_gen_deposit_i64(regs[reg], regs[reg], tmp, 0, 32);
tcg_temp_free_i64(tmp);
#endif
}
static inline void store_reg32_i64(int reg, TCGv_i64 v)
{
/* 32 bit register writes keep the upper half */
#if HOST_LONG_BITS == 32
tcg_gen_mov_i32(TCGV_LOW(regs[reg]), TCGV_LOW(v));
#else
tcg_gen_deposit_i64(regs[reg], regs[reg], v, 0, 32);
#endif
}
static inline void store_reg16(int reg, TCGv_i32 v)
{
TCGv_i64 tmp = tcg_temp_new_i64();
tcg_gen_extu_i32_i64(tmp, v);
/* 16 bit register writes keep the upper bytes */
tcg_gen_deposit_i64(regs[reg], regs[reg], tmp, 0, 16);
tcg_temp_free_i64(tmp);
}
static inline void store_reg8(int reg, TCGv_i64 v)
{
/* 8 bit register writes keep the upper bytes */
tcg_gen_deposit_i64(regs[reg], regs[reg], v, 0, 8);
}
static inline void store_freg32(int reg, TCGv_i32 v)
{
tcg_gen_st_i32(v, cpu_env, offsetof(CPUS390XState, fregs[reg].l.upper));
}
static inline void update_psw_addr(DisasContext *s)
{
/* psw.addr */
tcg_gen_movi_i64(psw_addr, s->pc);
}
static inline void potential_page_fault(DisasContext *s)
{
#ifndef CONFIG_USER_ONLY
update_psw_addr(s);
gen_op_calc_cc(s);
#endif
}
static inline uint64_t ld_code2(CPUS390XState *env, uint64_t pc)
{
return (uint64_t)cpu_lduw_code(env, pc);
}
static inline uint64_t ld_code4(CPUS390XState *env, uint64_t pc)
{
return (uint64_t)cpu_ldl_code(env, pc);
}
static inline uint64_t ld_code6(CPUS390XState *env, uint64_t pc)
{
uint64_t opc;
opc = (uint64_t)cpu_lduw_code(env, pc) << 32;
opc |= (uint64_t)(uint32_t)cpu_ldl_code(env, pc + 2);
return opc;
}
static inline int get_mem_index(DisasContext *s)
{
switch (s->tb->flags & FLAG_MASK_ASC) {
case PSW_ASC_PRIMARY >> 32:
return 0;
case PSW_ASC_SECONDARY >> 32:
return 1;
case PSW_ASC_HOME >> 32:
return 2;
default:
tcg_abort();
break;
}
}
static inline void gen_debug(DisasContext *s)
{
TCGv_i32 tmp = tcg_const_i32(EXCP_DEBUG);
update_psw_addr(s);
gen_op_calc_cc(s);
gen_helper_exception(cpu_env, tmp);
tcg_temp_free_i32(tmp);
s->is_jmp = DISAS_EXCP;
}
#ifdef CONFIG_USER_ONLY
static void gen_illegal_opcode(CPUS390XState *env, DisasContext *s, int ilc)
{
TCGv_i32 tmp = tcg_const_i32(EXCP_SPEC);
update_psw_addr(s);
gen_op_calc_cc(s);
gen_helper_exception(cpu_env, tmp);
tcg_temp_free_i32(tmp);
s->is_jmp = DISAS_EXCP;
}
#else /* CONFIG_USER_ONLY */
static void debug_print_inst(CPUS390XState *env, DisasContext *s, int ilc)
{
#ifdef DEBUG_ILLEGAL_INSTRUCTIONS
uint64_t inst = 0;
switch (ilc & 3) {
case 1:
inst = ld_code2(env, s->pc);
break;
case 2:
inst = ld_code4(env, s->pc);
break;
case 3:
inst = ld_code6(env, s->pc);
break;
}
fprintf(stderr, "Illegal instruction [%d at %016" PRIx64 "]: 0x%016"
PRIx64 "\n", ilc, s->pc, inst);
#endif
}
static void gen_program_exception(CPUS390XState *env, DisasContext *s, int ilc,
int code)
{
TCGv_i32 tmp;
debug_print_inst(env, s, ilc);
/* remember what pgm exeption this was */
tmp = tcg_const_i32(code);
tcg_gen_st_i32(tmp, cpu_env, offsetof(CPUS390XState, int_pgm_code));
tcg_temp_free_i32(tmp);
tmp = tcg_const_i32(ilc);
tcg_gen_st_i32(tmp, cpu_env, offsetof(CPUS390XState, int_pgm_ilc));
tcg_temp_free_i32(tmp);
/* advance past instruction */
s->pc += (ilc * 2);
update_psw_addr(s);
/* save off cc */
gen_op_calc_cc(s);
/* trigger exception */
tmp = tcg_const_i32(EXCP_PGM);
gen_helper_exception(cpu_env, tmp);
tcg_temp_free_i32(tmp);
/* end TB here */
s->is_jmp = DISAS_EXCP;
}
static void gen_illegal_opcode(CPUS390XState *env, DisasContext *s, int ilc)
{
gen_program_exception(env, s, ilc, PGM_SPECIFICATION);
}
static void gen_privileged_exception(CPUS390XState *env, DisasContext *s,
int ilc)
{
gen_program_exception(env, s, ilc, PGM_PRIVILEGED);
}
static void check_privileged(CPUS390XState *env, DisasContext *s, int ilc)
{
if (s->tb->flags & (PSW_MASK_PSTATE >> 32)) {
gen_privileged_exception(env, s, ilc);
}
}
#endif /* CONFIG_USER_ONLY */
static TCGv_i64 get_address(DisasContext *s, int x2, int b2, int d2)
{
TCGv_i64 tmp;
/* 31-bitify the immediate part; register contents are dealt with below */
if (!(s->tb->flags & FLAG_MASK_64)) {
d2 &= 0x7fffffffUL;
}
if (x2) {
if (d2) {
tmp = tcg_const_i64(d2);
tcg_gen_add_i64(tmp, tmp, regs[x2]);
} else {
tmp = load_reg(x2);
}
if (b2) {
tcg_gen_add_i64(tmp, tmp, regs[b2]);
}
} else if (b2) {
if (d2) {
tmp = tcg_const_i64(d2);
tcg_gen_add_i64(tmp, tmp, regs[b2]);
} else {
tmp = load_reg(b2);
}
} else {
tmp = tcg_const_i64(d2);
}
/* 31-bit mode mask if there are values loaded from registers */
if (!(s->tb->flags & FLAG_MASK_64) && (x2 || b2)) {
tcg_gen_andi_i64(tmp, tmp, 0x7fffffffUL);
}
return tmp;
}
static void gen_op_movi_cc(DisasContext *s, uint32_t val)
{
s->cc_op = CC_OP_CONST0 + val;
}
static void gen_op_update1_cc_i64(DisasContext *s, enum cc_op op, TCGv_i64 dst)
{
tcg_gen_discard_i64(cc_src);
tcg_gen_mov_i64(cc_dst, dst);
tcg_gen_discard_i64(cc_vr);
s->cc_op = op;
}
static void gen_op_update1_cc_i32(DisasContext *s, enum cc_op op, TCGv_i32 dst)
{
tcg_gen_discard_i64(cc_src);
tcg_gen_extu_i32_i64(cc_dst, dst);
tcg_gen_discard_i64(cc_vr);
s->cc_op = op;
}
static void gen_op_update2_cc_i64(DisasContext *s, enum cc_op op, TCGv_i64 src,
TCGv_i64 dst)
{
tcg_gen_mov_i64(cc_src, src);
tcg_gen_mov_i64(cc_dst, dst);
tcg_gen_discard_i64(cc_vr);
s->cc_op = op;
}
static void gen_op_update2_cc_i32(DisasContext *s, enum cc_op op, TCGv_i32 src,
TCGv_i32 dst)
{
tcg_gen_extu_i32_i64(cc_src, src);
tcg_gen_extu_i32_i64(cc_dst, dst);
tcg_gen_discard_i64(cc_vr);
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 gen_op_update3_cc_i32(DisasContext *s, enum cc_op op, TCGv_i32 src,
TCGv_i32 dst, TCGv_i32 vr)
{
tcg_gen_extu_i32_i64(cc_src, src);
tcg_gen_extu_i32_i64(cc_dst, dst);
tcg_gen_extu_i32_i64(cc_vr, vr);
s->cc_op = op;
}
static inline void set_cc_nz_u32(DisasContext *s, TCGv_i32 val)
{
gen_op_update1_cc_i32(s, CC_OP_NZ, val);
}
static inline void set_cc_nz_u64(DisasContext *s, TCGv_i64 val)
{
gen_op_update1_cc_i64(s, CC_OP_NZ, val);
}
static inline void cmp_32(DisasContext *s, TCGv_i32 v1, TCGv_i32 v2,
enum cc_op cond)
{
gen_op_update2_cc_i32(s, cond, v1, v2);
}
static inline void cmp_64(DisasContext *s, TCGv_i64 v1, TCGv_i64 v2,
enum cc_op cond)
{
gen_op_update2_cc_i64(s, cond, v1, v2);
}
static inline void cmp_s32(DisasContext *s, TCGv_i32 v1, TCGv_i32 v2)
{
cmp_32(s, v1, v2, CC_OP_LTGT_32);
}
static inline void cmp_u32(DisasContext *s, TCGv_i32 v1, TCGv_i32 v2)
{
cmp_32(s, v1, v2, CC_OP_LTUGTU_32);
}
static inline void cmp_s32c(DisasContext *s, TCGv_i32 v1, int32_t v2)
{
/* XXX optimize for the constant? put it in s? */
TCGv_i32 tmp = tcg_const_i32(v2);
cmp_32(s, v1, tmp, CC_OP_LTGT_32);
tcg_temp_free_i32(tmp);
}
static inline void cmp_u32c(DisasContext *s, TCGv_i32 v1, uint32_t v2)
{
TCGv_i32 tmp = tcg_const_i32(v2);
cmp_32(s, v1, tmp, CC_OP_LTUGTU_32);
tcg_temp_free_i32(tmp);
}
static inline void cmp_s64(DisasContext *s, TCGv_i64 v1, TCGv_i64 v2)
{
cmp_64(s, v1, v2, CC_OP_LTGT_64);
}
static inline void cmp_u64(DisasContext *s, TCGv_i64 v1, TCGv_i64 v2)
{
cmp_64(s, v1, v2, CC_OP_LTUGTU_64);
}
static inline void cmp_s64c(DisasContext *s, TCGv_i64 v1, int64_t v2)
{
TCGv_i64 tmp = tcg_const_i64(v2);
cmp_s64(s, v1, tmp);
tcg_temp_free_i64(tmp);
}
static inline void cmp_u64c(DisasContext *s, TCGv_i64 v1, uint64_t v2)
{
TCGv_i64 tmp = tcg_const_i64(v2);
cmp_u64(s, v1, tmp);
tcg_temp_free_i64(tmp);
}
static inline void set_cc_s32(DisasContext *s, TCGv_i32 val)
{
gen_op_update1_cc_i32(s, CC_OP_LTGT0_32, val);
}
static inline void set_cc_s64(DisasContext *s, TCGv_i64 val)
{
gen_op_update1_cc_i64(s, CC_OP_LTGT0_64, val);
}
static void set_cc_add64(DisasContext *s, TCGv_i64 v1, TCGv_i64 v2, TCGv_i64 vr)
{
gen_op_update3_cc_i64(s, CC_OP_ADD_64, v1, v2, vr);
}
static void set_cc_addu64(DisasContext *s, TCGv_i64 v1, TCGv_i64 v2,
TCGv_i64 vr)
{
gen_op_update3_cc_i64(s, CC_OP_ADDU_64, v1, v2, vr);
}
static void set_cc_sub64(DisasContext *s, TCGv_i64 v1, TCGv_i64 v2, TCGv_i64 vr)
{
gen_op_update3_cc_i64(s, CC_OP_SUB_64, v1, v2, vr);
}
static void set_cc_subu64(DisasContext *s, TCGv_i64 v1, TCGv_i64 v2,
TCGv_i64 vr)
{
gen_op_update3_cc_i64(s, CC_OP_SUBU_64, v1, v2, vr);
}
static void set_cc_abs64(DisasContext *s, TCGv_i64 v1)
{
gen_op_update1_cc_i64(s, CC_OP_ABS_64, v1);
}
static void set_cc_nabs64(DisasContext *s, TCGv_i64 v1)
{
gen_op_update1_cc_i64(s, CC_OP_NABS_64, v1);
}
static void set_cc_add32(DisasContext *s, TCGv_i32 v1, TCGv_i32 v2, TCGv_i32 vr)
{
gen_op_update3_cc_i32(s, CC_OP_ADD_32, v1, v2, vr);
}
static void set_cc_addu32(DisasContext *s, TCGv_i32 v1, TCGv_i32 v2,
TCGv_i32 vr)
{
gen_op_update3_cc_i32(s, CC_OP_ADDU_32, v1, v2, vr);
}
static void set_cc_sub32(DisasContext *s, TCGv_i32 v1, TCGv_i32 v2, TCGv_i32 vr)
{
gen_op_update3_cc_i32(s, CC_OP_SUB_32, v1, v2, vr);
}
static void set_cc_subu32(DisasContext *s, TCGv_i32 v1, TCGv_i32 v2,
TCGv_i32 vr)
{
gen_op_update3_cc_i32(s, CC_OP_SUBU_32, v1, v2, vr);
}
static void set_cc_abs32(DisasContext *s, TCGv_i32 v1)
{
gen_op_update1_cc_i32(s, CC_OP_ABS_32, v1);
}
static void set_cc_nabs32(DisasContext *s, TCGv_i32 v1)
{
gen_op_update1_cc_i32(s, CC_OP_NABS_32, v1);
}
static void set_cc_comp32(DisasContext *s, TCGv_i32 v1)
{
gen_op_update1_cc_i32(s, CC_OP_COMP_32, v1);
}
static void set_cc_comp64(DisasContext *s, TCGv_i64 v1)
{
gen_op_update1_cc_i64(s, CC_OP_COMP_64, v1);
}
static void set_cc_icm(DisasContext *s, TCGv_i32 v1, TCGv_i32 v2)
{
gen_op_update2_cc_i32(s, CC_OP_ICM, v1, v2);
}
static void set_cc_cmp_f32_i64(DisasContext *s, TCGv_i32 v1, TCGv_i64 v2)
{
tcg_gen_extu_i32_i64(cc_src, v1);
tcg_gen_mov_i64(cc_dst, v2);
tcg_gen_discard_i64(cc_vr);
s->cc_op = CC_OP_LTGT_F32;
}
static void gen_set_cc_nz_f32(DisasContext *s, TCGv_i32 v1)
{
gen_op_update1_cc_i32(s, CC_OP_NZ_F32, v1);
}
/* CC value is in env->cc_op */
static inline void set_cc_static(DisasContext *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;
}
static inline void gen_op_set_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 void gen_update_cc_op(DisasContext *s)
{
gen_op_set_cc_op(s);
}
/* calculates cc into cc_op */
static void gen_op_calc_cc(DisasContext *s)
{
TCGv_i32 local_cc_op = tcg_const_i32(s->cc_op);
TCGv_i64 dummy = tcg_const_i64(0);
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:
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:
/* 1 argument */
gen_helper_calc_cc(cc_op, cpu_env, local_cc_op, dummy, cc_dst, dummy);
break;
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_LTGT_F32:
case CC_OP_LTGT_F64:
case CC_OP_SLAG:
/* 2 arguments */
gen_helper_calc_cc(cc_op, cpu_env, local_cc_op, cc_src, cc_dst, dummy);
break;
case CC_OP_ADD_64:
case CC_OP_ADDU_64:
case CC_OP_SUB_64:
case CC_OP_SUBU_64:
case CC_OP_ADD_32:
case CC_OP_ADDU_32:
case CC_OP_SUB_32:
case CC_OP_SUBU_32:
/* 3 arguments */
gen_helper_calc_cc(cc_op, cpu_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, cpu_env, cc_op, cc_src, cc_dst, cc_vr);
break;
default:
tcg_abort();
}
tcg_temp_free_i32(local_cc_op);
/* We now have cc in cc_op as constant */
set_cc_static(s);
}
static inline void decode_rr(DisasContext *s, uint64_t insn, int *r1, int *r2)
{
debug_insn(insn);
*r1 = (insn >> 4) & 0xf;
*r2 = insn & 0xf;
}
static inline TCGv_i64 decode_rx(DisasContext *s, uint64_t insn, int *r1,
int *x2, int *b2, int *d2)
{
debug_insn(insn);
*r1 = (insn >> 20) & 0xf;
*x2 = (insn >> 16) & 0xf;
*b2 = (insn >> 12) & 0xf;
*d2 = insn & 0xfff;
return get_address(s, *x2, *b2, *d2);
}
static inline void decode_rs(DisasContext *s, uint64_t insn, int *r1, int *r3,
int *b2, int *d2)
{
debug_insn(insn);
*r1 = (insn >> 20) & 0xf;
/* aka m3 */
*r3 = (insn >> 16) & 0xf;
*b2 = (insn >> 12) & 0xf;
*d2 = insn & 0xfff;
}
static inline TCGv_i64 decode_si(DisasContext *s, uint64_t insn, int *i2,
int *b1, int *d1)
{
debug_insn(insn);
*i2 = (insn >> 16) & 0xff;
*b1 = (insn >> 12) & 0xf;
*d1 = insn & 0xfff;
return get_address(s, 0, *b1, *d1);
}
static inline void gen_goto_tb(DisasContext *s, int tb_num, target_ulong pc)
{
TranslationBlock *tb;
gen_update_cc_op(s);
tb = s->tb;
/* NOTE: we handle the case where the TB spans two pages here */
if ((pc & TARGET_PAGE_MASK) == (tb->pc & TARGET_PAGE_MASK) ||
(pc & TARGET_PAGE_MASK) == ((s->pc - 1) & TARGET_PAGE_MASK)) {
/* jump to same page: we can use a direct jump */
tcg_gen_goto_tb(tb_num);
tcg_gen_movi_i64(psw_addr, pc);
tcg_gen_exit_tb((tcg_target_long)tb + tb_num);
} else {
/* jump to another page: currently not optimized */
tcg_gen_movi_i64(psw_addr, pc);
tcg_gen_exit_tb(0);
}
}
static inline void account_noninline_branch(DisasContext *s, int cc_op)
{
#ifdef DEBUG_INLINE_BRANCHES
inline_branch_miss[cc_op]++;
#endif
}
static inline void account_inline_branch(DisasContext *s)
{
#ifdef DEBUG_INLINE_BRANCHES
inline_branch_hit[s->cc_op]++;
#endif
}
static void gen_jcc(DisasContext *s, uint32_t mask, int skip)
{
TCGv_i32 tmp, tmp2, r;
TCGv_i64 tmp64;
int old_cc_op;
switch (s->cc_op) {
case CC_OP_LTGT0_32:
tmp = tcg_temp_new_i32();
tcg_gen_trunc_i64_i32(tmp, cc_dst);
switch (mask) {
case 0x8 | 0x4: /* dst <= 0 */
tcg_gen_brcondi_i32(TCG_COND_GT, tmp, 0, skip);
break;
case 0x8 | 0x2: /* dst >= 0 */
tcg_gen_brcondi_i32(TCG_COND_LT, tmp, 0, skip);
break;
case 0x8: /* dst == 0 */
tcg_gen_brcondi_i32(TCG_COND_NE, tmp, 0, skip);
break;
case 0x7: /* dst != 0 */
case 0x6: /* dst != 0 */
tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, skip);
break;
case 0x4: /* dst < 0 */
tcg_gen_brcondi_i32(TCG_COND_GE, tmp, 0, skip);
break;
case 0x2: /* dst > 0 */
tcg_gen_brcondi_i32(TCG_COND_LE, tmp, 0, skip);
break;
default:
tcg_temp_free_i32(tmp);
goto do_dynamic;
}
account_inline_branch(s);
tcg_temp_free_i32(tmp);
break;
case CC_OP_LTGT0_64:
switch (mask) {
case 0x8 | 0x4: /* dst <= 0 */
tcg_gen_brcondi_i64(TCG_COND_GT, cc_dst, 0, skip);
break;
case 0x8 | 0x2: /* dst >= 0 */
tcg_gen_brcondi_i64(TCG_COND_LT, cc_dst, 0, skip);
break;
case 0x8: /* dst == 0 */
tcg_gen_brcondi_i64(TCG_COND_NE, cc_dst, 0, skip);
break;
case 0x7: /* dst != 0 */
case 0x6: /* dst != 0 */
tcg_gen_brcondi_i64(TCG_COND_EQ, cc_dst, 0, skip);
break;
case 0x4: /* dst < 0 */
tcg_gen_brcondi_i64(TCG_COND_GE, cc_dst, 0, skip);
break;
case 0x2: /* dst > 0 */
tcg_gen_brcondi_i64(TCG_COND_LE, cc_dst, 0, skip);
break;
default:
goto do_dynamic;
}
account_inline_branch(s);
break;
case CC_OP_LTGT_32:
tmp = tcg_temp_new_i32();
tmp2 = tcg_temp_new_i32();
tcg_gen_trunc_i64_i32(tmp, cc_src);
tcg_gen_trunc_i64_i32(tmp2, cc_dst);
switch (mask) {
case 0x8 | 0x4: /* src <= dst */
tcg_gen_brcond_i32(TCG_COND_GT, tmp, tmp2, skip);
break;
case 0x8 | 0x2: /* src >= dst */
tcg_gen_brcond_i32(TCG_COND_LT, tmp, tmp2, skip);
break;
case 0x8: /* src == dst */
tcg_gen_brcond_i32(TCG_COND_NE, tmp, tmp2, skip);
break;
case 0x7: /* src != dst */
case 0x6: /* src != dst */
tcg_gen_brcond_i32(TCG_COND_EQ, tmp, tmp2, skip);
break;
case 0x4: /* src < dst */
tcg_gen_brcond_i32(TCG_COND_GE, tmp, tmp2, skip);
break;
case 0x2: /* src > dst */
tcg_gen_brcond_i32(TCG_COND_LE, tmp, tmp2, skip);
break;
default:
tcg_temp_free_i32(tmp);
tcg_temp_free_i32(tmp2);
goto do_dynamic;
}
account_inline_branch(s);
tcg_temp_free_i32(tmp);
tcg_temp_free_i32(tmp2);
break;
case CC_OP_LTGT_64:
switch (mask) {
case 0x8 | 0x4: /* src <= dst */
tcg_gen_brcond_i64(TCG_COND_GT, cc_src, cc_dst, skip);
break;
case 0x8 | 0x2: /* src >= dst */
tcg_gen_brcond_i64(TCG_COND_LT, cc_src, cc_dst, skip);
break;
case 0x8: /* src == dst */
tcg_gen_brcond_i64(TCG_COND_NE, cc_src, cc_dst, skip);
break;
case 0x7: /* src != dst */
case 0x6: /* src != dst */
tcg_gen_brcond_i64(TCG_COND_EQ, cc_src, cc_dst, skip);
break;
case 0x4: /* src < dst */
tcg_gen_brcond_i64(TCG_COND_GE, cc_src, cc_dst, skip);
break;
case 0x2: /* src > dst */
tcg_gen_brcond_i64(TCG_COND_LE, cc_src, cc_dst, skip);
break;
default:
goto do_dynamic;
}
account_inline_branch(s);
break;
case CC_OP_LTUGTU_32:
tmp = tcg_temp_new_i32();
tmp2 = tcg_temp_new_i32();
tcg_gen_trunc_i64_i32(tmp, cc_src);
tcg_gen_trunc_i64_i32(tmp2, cc_dst);
switch (mask) {
case 0x8 | 0x4: /* src <= dst */
tcg_gen_brcond_i32(TCG_COND_GTU, tmp, tmp2, skip);
break;
case 0x8 | 0x2: /* src >= dst */
tcg_gen_brcond_i32(TCG_COND_LTU, tmp, tmp2, skip);
break;
case 0x8: /* src == dst */
tcg_gen_brcond_i32(TCG_COND_NE, tmp, tmp2, skip);
break;
case 0x7: /* src != dst */
case 0x6: /* src != dst */
tcg_gen_brcond_i32(TCG_COND_EQ, tmp, tmp2, skip);
break;
case 0x4: /* src < dst */
tcg_gen_brcond_i32(TCG_COND_GEU, tmp, tmp2, skip);
break;
case 0x2: /* src > dst */
tcg_gen_brcond_i32(TCG_COND_LEU, tmp, tmp2, skip);
break;
default:
tcg_temp_free_i32(tmp);
tcg_temp_free_i32(tmp2);
goto do_dynamic;
}
account_inline_branch(s);
tcg_temp_free_i32(tmp);
tcg_temp_free_i32(tmp2);
break;
case CC_OP_LTUGTU_64:
switch (mask) {
case 0x8 | 0x4: /* src <= dst */
tcg_gen_brcond_i64(TCG_COND_GTU, cc_src, cc_dst, skip);
break;
case 0x8 | 0x2: /* src >= dst */
tcg_gen_brcond_i64(TCG_COND_LTU, cc_src, cc_dst, skip);
break;
case 0x8: /* src == dst */
tcg_gen_brcond_i64(TCG_COND_NE, cc_src, cc_dst, skip);
break;
case 0x7: /* src != dst */
case 0x6: /* src != dst */
tcg_gen_brcond_i64(TCG_COND_EQ, cc_src, cc_dst, skip);
break;
case 0x4: /* src < dst */
tcg_gen_brcond_i64(TCG_COND_GEU, cc_src, cc_dst, skip);
break;
case 0x2: /* src > dst */
tcg_gen_brcond_i64(TCG_COND_LEU, cc_src, cc_dst, skip);
break;
default:
goto do_dynamic;
}
account_inline_branch(s);
break;
case CC_OP_NZ:
switch (mask) {
/* dst == 0 || dst != 0 */
case 0x8 | 0x4:
case 0x8 | 0x4 | 0x2:
case 0x8 | 0x4 | 0x2 | 0x1:
case 0x8 | 0x4 | 0x1:
break;
/* dst == 0 */
case 0x8:
case 0x8 | 0x2:
case 0x8 | 0x2 | 0x1:
case 0x8 | 0x1:
tcg_gen_brcondi_i64(TCG_COND_NE, cc_dst, 0, skip);
break;
/* dst != 0 */
case 0x4:
case 0x4 | 0x2:
case 0x4 | 0x2 | 0x1:
case 0x4 | 0x1:
tcg_gen_brcondi_i64(TCG_COND_EQ, cc_dst, 0, skip);
break;
default:
goto do_dynamic;
}
account_inline_branch(s);
break;
case CC_OP_TM_32:
tmp = tcg_temp_new_i32();
tmp2 = tcg_temp_new_i32();
tcg_gen_trunc_i64_i32(tmp, cc_src);
tcg_gen_trunc_i64_i32(tmp2, cc_dst);
tcg_gen_and_i32(tmp, tmp, tmp2);
switch (mask) {
case 0x8: /* val & mask == 0 */
tcg_gen_brcondi_i32(TCG_COND_NE, tmp, 0, skip);
break;
case 0x4 | 0x2 | 0x1: /* val & mask != 0 */
tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, skip);
break;
default:
tcg_temp_free_i32(tmp);
tcg_temp_free_i32(tmp2);
goto do_dynamic;
}
tcg_temp_free_i32(tmp);
tcg_temp_free_i32(tmp2);
account_inline_branch(s);
break;
case CC_OP_TM_64:
tmp64 = tcg_temp_new_i64();
tcg_gen_and_i64(tmp64, cc_src, cc_dst);
switch (mask) {
case 0x8: /* val & mask == 0 */
tcg_gen_brcondi_i64(TCG_COND_NE, tmp64, 0, skip);
break;
case 0x4 | 0x2 | 0x1: /* val & mask != 0 */
tcg_gen_brcondi_i64(TCG_COND_EQ, tmp64, 0, skip);
break;
default:
tcg_temp_free_i64(tmp64);
goto do_dynamic;
}
tcg_temp_free_i64(tmp64);
account_inline_branch(s);
break;
case CC_OP_ICM:
switch (mask) {
case 0x8: /* val == 0 */
tcg_gen_brcondi_i64(TCG_COND_NE, cc_dst, 0, skip);
break;
case 0x4 | 0x2 | 0x1: /* val != 0 */
case 0x4 | 0x2: /* val != 0 */
tcg_gen_brcondi_i64(TCG_COND_EQ, cc_dst, 0, skip);
break;
default:
goto do_dynamic;
}
account_inline_branch(s);
break;
case CC_OP_STATIC:
old_cc_op = s->cc_op;
goto do_dynamic_nocccalc;
case CC_OP_DYNAMIC:
default:
do_dynamic:
old_cc_op = s->cc_op;
/* calculate cc value */
gen_op_calc_cc(s);
do_dynamic_nocccalc:
/* jump based on cc */
account_noninline_branch(s, old_cc_op);
switch (mask) {
case 0x8 | 0x4 | 0x2 | 0x1:
/* always true */
break;
case 0x8 | 0x4 | 0x2: /* cc != 3 */
tcg_gen_brcondi_i32(TCG_COND_EQ, cc_op, 3, skip);
break;
case 0x8 | 0x4 | 0x1: /* cc != 2 */
tcg_gen_brcondi_i32(TCG_COND_EQ, cc_op, 2, skip);
break;
case 0x8 | 0x2 | 0x1: /* cc != 1 */
tcg_gen_brcondi_i32(TCG_COND_EQ, cc_op, 1, skip);
break;
case 0x8 | 0x2: /* cc == 0 || cc == 2 */
tmp = tcg_temp_new_i32();
tcg_gen_andi_i32(tmp, cc_op, 1);
tcg_gen_brcondi_i32(TCG_COND_NE, tmp, 0, skip);
tcg_temp_free_i32(tmp);
break;
case 0x8 | 0x4: /* cc < 2 */
tcg_gen_brcondi_i32(TCG_COND_GEU, cc_op, 2, skip);
break;
case 0x8: /* cc == 0 */
tcg_gen_brcondi_i32(TCG_COND_NE, cc_op, 0, skip);
break;
case 0x4 | 0x2 | 0x1: /* cc != 0 */
tcg_gen_brcondi_i32(TCG_COND_EQ, cc_op, 0, skip);
break;
case 0x4 | 0x1: /* cc == 1 || cc == 3 */
tmp = tcg_temp_new_i32();
tcg_gen_andi_i32(tmp, cc_op, 1);
tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 0, skip);
tcg_temp_free_i32(tmp);
break;
case 0x4: /* cc == 1 */
tcg_gen_brcondi_i32(TCG_COND_NE, cc_op, 1, skip);
break;
case 0x2 | 0x1: /* cc > 1 */
tcg_gen_brcondi_i32(TCG_COND_LEU, cc_op, 1, skip);
break;
case 0x2: /* cc == 2 */
tcg_gen_brcondi_i32(TCG_COND_NE, cc_op, 2, skip);
break;
case 0x1: /* cc == 3 */
tcg_gen_brcondi_i32(TCG_COND_NE, cc_op, 3, skip);
break;
default: /* cc is masked by something else */
tmp = tcg_const_i32(3);
/* 3 - cc */
tcg_gen_sub_i32(tmp, tmp, cc_op);
tmp2 = tcg_const_i32(1);
/* 1 << (3 - cc) */
tcg_gen_shl_i32(tmp2, tmp2, tmp);
r = tcg_const_i32(mask);
/* mask & (1 << (3 - cc)) */
tcg_gen_and_i32(r, r, tmp2);
tcg_temp_free_i32(tmp);
tcg_temp_free_i32(tmp2);
tcg_gen_brcondi_i32(TCG_COND_EQ, r, 0, skip);
tcg_temp_free_i32(r);
break;
}
break;
}
}
static void gen_bcr(DisasContext *s, uint32_t mask, TCGv_i64 target,
uint64_t offset)
{
int skip;
if (mask == 0xf) {
/* unconditional */
tcg_gen_mov_i64(psw_addr, target);
tcg_gen_exit_tb(0);
} else if (mask == 0) {
/* ignore cc and never match */
gen_goto_tb(s, 0, offset + 2);
} else {
TCGv_i64 new_addr = tcg_temp_local_new_i64();
tcg_gen_mov_i64(new_addr, target);
skip = gen_new_label();
gen_jcc(s, mask, skip);
tcg_gen_mov_i64(psw_addr, new_addr);
tcg_temp_free_i64(new_addr);
tcg_gen_exit_tb(0);
gen_set_label(skip);
tcg_temp_free_i64(new_addr);
gen_goto_tb(s, 1, offset + 2);
}
}
static void gen_brc(uint32_t mask, DisasContext *s, int32_t offset)
{
int skip;
if (mask == 0xf) {
/* unconditional */
gen_goto_tb(s, 0, s->pc + offset);
} else if (mask == 0) {
/* ignore cc and never match */
gen_goto_tb(s, 0, s->pc + 4);
} else {
skip = gen_new_label();
gen_jcc(s, mask, skip);
gen_goto_tb(s, 0, s->pc + offset);
gen_set_label(skip);
gen_goto_tb(s, 1, s->pc + 4);
}
s->is_jmp = DISAS_TB_JUMP;
}
static void gen_op_mvc(DisasContext *s, int l, TCGv_i64 s1, TCGv_i64 s2)
{
TCGv_i64 tmp, tmp2;
int i;
int l_memset = gen_new_label();
int l_out = gen_new_label();
TCGv_i64 dest = tcg_temp_local_new_i64();
TCGv_i64 src = tcg_temp_local_new_i64();
TCGv_i32 vl;
/* Find out if we should use the inline version of mvc */
switch (l) {
case 0:
case 1:
case 2:
case 3:
case 4:
case 5:
case 6:
case 7:
case 11:
case 15:
/* use inline */
break;
default:
/* Fall back to helper */
vl = tcg_const_i32(l);
potential_page_fault(s);
gen_helper_mvc(cpu_env, vl, s1, s2);
tcg_temp_free_i32(vl);
return;
}
tcg_gen_mov_i64(dest, s1);
tcg_gen_mov_i64(src, s2);
if (!(s->tb->flags & FLAG_MASK_64)) {
/* XXX what if we overflow while moving? */
tcg_gen_andi_i64(dest, dest, 0x7fffffffUL);
tcg_gen_andi_i64(src, src, 0x7fffffffUL);
}
tmp = tcg_temp_new_i64();
tcg_gen_addi_i64(tmp, src, 1);
tcg_gen_brcond_i64(TCG_COND_EQ, dest, tmp, l_memset);
tcg_temp_free_i64(tmp);
switch (l) {
case 0:
tmp = tcg_temp_new_i64();
tcg_gen_qemu_ld8u(tmp, src, get_mem_index(s));
tcg_gen_qemu_st8(tmp, dest, get_mem_index(s));
tcg_temp_free_i64(tmp);
break;
case 1:
tmp = tcg_temp_new_i64();
tcg_gen_qemu_ld16u(tmp, src, get_mem_index(s));
tcg_gen_qemu_st16(tmp, dest, get_mem_index(s));
tcg_temp_free_i64(tmp);
break;
case 3:
tmp = tcg_temp_new_i64();
tcg_gen_qemu_ld32u(tmp, src, get_mem_index(s));
tcg_gen_qemu_st32(tmp, dest, get_mem_index(s));
tcg_temp_free_i64(tmp);
break;
case 4:
tmp = tcg_temp_new_i64();
tmp2 = tcg_temp_new_i64();
tcg_gen_qemu_ld32u(tmp, src, get_mem_index(s));
tcg_gen_addi_i64(src, src, 4);
tcg_gen_qemu_ld8u(tmp2, src, get_mem_index(s));
tcg_gen_qemu_st32(tmp, dest, get_mem_index(s));
tcg_gen_addi_i64(dest, dest, 4);
tcg_gen_qemu_st8(tmp2, dest, get_mem_index(s));
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
break;
case 7:
tmp = tcg_temp_new_i64();
tcg_gen_qemu_ld64(tmp, src, get_mem_index(s));
tcg_gen_qemu_st64(tmp, dest, get_mem_index(s));
tcg_temp_free_i64(tmp);
break;
default:
/* The inline version can become too big for too uneven numbers, only
use it on known good lengths */
tmp = tcg_temp_new_i64();
tmp2 = tcg_const_i64(8);
for (i = 0; (i + 7) <= l; i += 8) {
tcg_gen_qemu_ld64(tmp, src, get_mem_index(s));
tcg_gen_qemu_st64(tmp, dest, get_mem_index(s));
tcg_gen_add_i64(src, src, tmp2);
tcg_gen_add_i64(dest, dest, tmp2);
}
tcg_temp_free_i64(tmp2);
tmp2 = tcg_const_i64(1);
for (; i <= l; i++) {
tcg_gen_qemu_ld8u(tmp, src, get_mem_index(s));
tcg_gen_qemu_st8(tmp, dest, get_mem_index(s));
tcg_gen_add_i64(src, src, tmp2);
tcg_gen_add_i64(dest, dest, tmp2);
}
tcg_temp_free_i64(tmp2);
tcg_temp_free_i64(tmp);
break;
}
tcg_gen_br(l_out);
gen_set_label(l_memset);
/* memset case (dest == (src + 1)) */
tmp = tcg_temp_new_i64();
tmp2 = tcg_temp_new_i64();
/* fill tmp with the byte */
tcg_gen_qemu_ld8u(tmp, src, get_mem_index(s));
tcg_gen_shli_i64(tmp2, tmp, 8);
tcg_gen_or_i64(tmp, tmp, tmp2);
tcg_gen_shli_i64(tmp2, tmp, 16);
tcg_gen_or_i64(tmp, tmp, tmp2);
tcg_gen_shli_i64(tmp2, tmp, 32);
tcg_gen_or_i64(tmp, tmp, tmp2);
tcg_temp_free_i64(tmp2);
tmp2 = tcg_const_i64(8);
for (i = 0; (i + 7) <= l; i += 8) {
tcg_gen_qemu_st64(tmp, dest, get_mem_index(s));
tcg_gen_addi_i64(dest, dest, 8);
}
tcg_temp_free_i64(tmp2);
tmp2 = tcg_const_i64(1);
for (; i <= l; i++) {
tcg_gen_qemu_st8(tmp, dest, get_mem_index(s));
tcg_gen_addi_i64(dest, dest, 1);
}
tcg_temp_free_i64(tmp2);
tcg_temp_free_i64(tmp);
gen_set_label(l_out);
tcg_temp_free(dest);
tcg_temp_free(src);
}
static void gen_op_clc(DisasContext *s, int l, TCGv_i64 s1, TCGv_i64 s2)
{
TCGv_i64 tmp;
TCGv_i64 tmp2;
TCGv_i32 vl;
/* check for simple 32bit or 64bit match */
switch (l) {
case 0:
tmp = tcg_temp_new_i64();
tmp2 = tcg_temp_new_i64();
tcg_gen_qemu_ld8u(tmp, s1, get_mem_index(s));
tcg_gen_qemu_ld8u(tmp2, s2, get_mem_index(s));
cmp_u64(s, tmp, tmp2);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
return;
case 1:
tmp = tcg_temp_new_i64();
tmp2 = tcg_temp_new_i64();
tcg_gen_qemu_ld16u(tmp, s1, get_mem_index(s));
tcg_gen_qemu_ld16u(tmp2, s2, get_mem_index(s));
cmp_u64(s, tmp, tmp2);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
return;
case 3:
tmp = tcg_temp_new_i64();
tmp2 = tcg_temp_new_i64();
tcg_gen_qemu_ld32u(tmp, s1, get_mem_index(s));
tcg_gen_qemu_ld32u(tmp2, s2, get_mem_index(s));
cmp_u64(s, tmp, tmp2);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
return;
case 7:
tmp = tcg_temp_new_i64();
tmp2 = tcg_temp_new_i64();
tcg_gen_qemu_ld64(tmp, s1, get_mem_index(s));
tcg_gen_qemu_ld64(tmp2, s2, get_mem_index(s));
cmp_u64(s, tmp, tmp2);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
return;
}
potential_page_fault(s);
vl = tcg_const_i32(l);
gen_helper_clc(cc_op, cpu_env, vl, s1, s2);
tcg_temp_free_i32(vl);
set_cc_static(s);
}
static void disas_e3(CPUS390XState *env, DisasContext* s, int op, int r1,
int x2, int b2, int d2)
{
TCGv_i64 addr, tmp, tmp2, tmp3, tmp4;
TCGv_i32 tmp32_1, tmp32_2, tmp32_3;
LOG_DISAS("disas_e3: op 0x%x r1 %d x2 %d b2 %d d2 %d\n",
op, r1, x2, b2, d2);
addr = get_address(s, x2, b2, d2);
switch (op) {
case 0x2: /* LTG R1,D2(X2,B2) [RXY] */
case 0x4: /* lg r1,d2(x2,b2) */
tcg_gen_qemu_ld64(regs[r1], addr, get_mem_index(s));
if (op == 0x2) {
set_cc_s64(s, regs[r1]);
}
break;
case 0x12: /* LT R1,D2(X2,B2) [RXY] */
tmp2 = tcg_temp_new_i64();
tmp32_1 = tcg_temp_new_i32();
tcg_gen_qemu_ld32s(tmp2, addr, get_mem_index(s));
tcg_gen_trunc_i64_i32(tmp32_1, tmp2);
store_reg32(r1, tmp32_1);
set_cc_s32(s, tmp32_1);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i32(tmp32_1);
break;
case 0xc: /* MSG R1,D2(X2,B2) [RXY] */
case 0x1c: /* MSGF R1,D2(X2,B2) [RXY] */
tmp2 = tcg_temp_new_i64();
if (op == 0xc) {
tcg_gen_qemu_ld64(tmp2, addr, get_mem_index(s));
} else {
tcg_gen_qemu_ld32s(tmp2, addr, get_mem_index(s));
}
tcg_gen_mul_i64(regs[r1], regs[r1], tmp2);
tcg_temp_free_i64(tmp2);
break;
case 0xd: /* DSG R1,D2(X2,B2) [RXY] */
case 0x1d: /* DSGF R1,D2(X2,B2) [RXY] */
tmp2 = tcg_temp_new_i64();
if (op == 0x1d) {
tcg_gen_qemu_ld32s(tmp2, addr, get_mem_index(s));
} else {
tcg_gen_qemu_ld64(tmp2, addr, get_mem_index(s));
}
tmp4 = load_reg(r1 + 1);
tmp3 = tcg_temp_new_i64();
tcg_gen_div_i64(tmp3, tmp4, tmp2);
store_reg(r1 + 1, tmp3);
tcg_gen_rem_i64(tmp3, tmp4, tmp2);
store_reg(r1, tmp3);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i64(tmp3);
tcg_temp_free_i64(tmp4);
break;
case 0x8: /* AG R1,D2(X2,B2) [RXY] */
case 0xa: /* ALG R1,D2(X2,B2) [RXY] */
case 0x18: /* AGF R1,D2(X2,B2) [RXY] */
case 0x1a: /* ALGF R1,D2(X2,B2) [RXY] */
if (op == 0x1a) {
tmp2 = tcg_temp_new_i64();
tcg_gen_qemu_ld32u(tmp2, addr, get_mem_index(s));
} else if (op == 0x18) {
tmp2 = tcg_temp_new_i64();
tcg_gen_qemu_ld32s(tmp2, addr, get_mem_index(s));
} else {
tmp2 = tcg_temp_new_i64();
tcg_gen_qemu_ld64(tmp2, addr, get_mem_index(s));
}
tmp4 = load_reg(r1);
tmp3 = tcg_temp_new_i64();
tcg_gen_add_i64(tmp3, tmp4, tmp2);
store_reg(r1, tmp3);
switch (op) {
case 0x8:
case 0x18:
set_cc_add64(s, tmp4, tmp2, tmp3);
break;
case 0xa:
case 0x1a:
set_cc_addu64(s, tmp4, tmp2, tmp3);
break;
default:
tcg_abort();
}
tcg_temp_free_i64(tmp2);
tcg_temp_free_i64(tmp3);
tcg_temp_free_i64(tmp4);
break;
case 0x9: /* SG R1,D2(X2,B2) [RXY] */
case 0xb: /* SLG R1,D2(X2,B2) [RXY] */
case 0x19: /* SGF R1,D2(X2,B2) [RXY] */
case 0x1b: /* SLGF R1,D2(X2,B2) [RXY] */
tmp2 = tcg_temp_new_i64();
if (op == 0x19) {
tcg_gen_qemu_ld32s(tmp2, addr, get_mem_index(s));
} else if (op == 0x1b) {
tcg_gen_qemu_ld32u(tmp2, addr, get_mem_index(s));
} else {
tcg_gen_qemu_ld64(tmp2, addr, get_mem_index(s));
}
tmp4 = load_reg(r1);
tmp3 = tcg_temp_new_i64();
tcg_gen_sub_i64(tmp3, tmp4, tmp2);
store_reg(r1, tmp3);
switch (op) {
case 0x9:
case 0x19:
set_cc_sub64(s, tmp4, tmp2, tmp3);
break;
case 0xb:
case 0x1b:
set_cc_subu64(s, tmp4, tmp2, tmp3);
break;
default:
tcg_abort();
}
tcg_temp_free_i64(tmp2);
tcg_temp_free_i64(tmp3);
tcg_temp_free_i64(tmp4);
break;
case 0xf: /* LRVG R1,D2(X2,B2) [RXE] */
tmp2 = tcg_temp_new_i64();
tcg_gen_qemu_ld64(tmp2, addr, get_mem_index(s));
tcg_gen_bswap64_i64(tmp2, tmp2);
store_reg(r1, tmp2);
tcg_temp_free_i64(tmp2);
break;
case 0x14: /* LGF R1,D2(X2,B2) [RXY] */
case 0x16: /* LLGF R1,D2(X2,B2) [RXY] */
tmp2 = tcg_temp_new_i64();
tcg_gen_qemu_ld32u(tmp2, addr, get_mem_index(s));
if (op == 0x14) {
tcg_gen_ext32s_i64(tmp2, tmp2);
}
store_reg(r1, tmp2);
tcg_temp_free_i64(tmp2);
break;
case 0x15: /* LGH R1,D2(X2,B2) [RXY] */
tmp2 = tcg_temp_new_i64();
tcg_gen_qemu_ld16s(tmp2, addr, get_mem_index(s));
store_reg(r1, tmp2);
tcg_temp_free_i64(tmp2);
break;
case 0x17: /* LLGT R1,D2(X2,B2) [RXY] */
tmp2 = tcg_temp_new_i64();
tcg_gen_qemu_ld32u(tmp2, addr, get_mem_index(s));
tcg_gen_andi_i64(tmp2, tmp2, 0x7fffffffULL);
store_reg(r1, tmp2);
tcg_temp_free_i64(tmp2);
break;
case 0x1e: /* LRV R1,D2(X2,B2) [RXY] */
tmp2 = tcg_temp_new_i64();
tmp32_1 = tcg_temp_new_i32();
tcg_gen_qemu_ld32u(tmp2, addr, get_mem_index(s));
tcg_gen_trunc_i64_i32(tmp32_1, tmp2);
tcg_temp_free_i64(tmp2);
tcg_gen_bswap32_i32(tmp32_1, tmp32_1);
store_reg32(r1, tmp32_1);
tcg_temp_free_i32(tmp32_1);
break;
case 0x1f: /* LRVH R1,D2(X2,B2) [RXY] */
tmp2 = tcg_temp_new_i64();
tmp32_1 = tcg_temp_new_i32();
tcg_gen_qemu_ld16u(tmp2, addr, get_mem_index(s));
tcg_gen_trunc_i64_i32(tmp32_1, tmp2);
tcg_temp_free_i64(tmp2);
tcg_gen_bswap16_i32(tmp32_1, tmp32_1);
store_reg16(r1, tmp32_1);
tcg_temp_free_i32(tmp32_1);
break;
case 0x20: /* CG R1,D2(X2,B2) [RXY] */
case 0x21: /* CLG R1,D2(X2,B2) */
case 0x30: /* CGF R1,D2(X2,B2) [RXY] */
case 0x31: /* CLGF R1,D2(X2,B2) [RXY] */
tmp2 = tcg_temp_new_i64();
switch (op) {
case 0x20:
case 0x21:
tcg_gen_qemu_ld64(tmp2, addr, get_mem_index(s));
break;
case 0x30:
tcg_gen_qemu_ld32s(tmp2, addr, get_mem_index(s));
break;
case 0x31:
tcg_gen_qemu_ld32u(tmp2, addr, get_mem_index(s));
break;
default:
tcg_abort();
}
switch (op) {
case 0x20:
case 0x30:
cmp_s64(s, regs[r1], tmp2);
break;
case 0x21:
case 0x31:
cmp_u64(s, regs[r1], tmp2);
break;
default:
tcg_abort();
}
tcg_temp_free_i64(tmp2);
break;
case 0x24: /* stg r1, d2(x2,b2) */
tcg_gen_qemu_st64(regs[r1], addr, get_mem_index(s));
break;
case 0x3e: /* STRV R1,D2(X2,B2) [RXY] */
tmp32_1 = load_reg32(r1);
tmp2 = tcg_temp_new_i64();
tcg_gen_bswap32_i32(tmp32_1, tmp32_1);
tcg_gen_extu_i32_i64(tmp2, tmp32_1);
tcg_temp_free_i32(tmp32_1);
tcg_gen_qemu_st32(tmp2, addr, get_mem_index(s));
tcg_temp_free_i64(tmp2);
break;
case 0x50: /* STY R1,D2(X2,B2) [RXY] */
tmp32_1 = load_reg32(r1);
tmp2 = tcg_temp_new_i64();
tcg_gen_extu_i32_i64(tmp2, tmp32_1);
tcg_temp_free_i32(tmp32_1);
tcg_gen_qemu_st32(tmp2, addr, get_mem_index(s));
tcg_temp_free_i64(tmp2);
break;
case 0x57: /* XY R1,D2(X2,B2) [RXY] */
tmp32_1 = load_reg32(r1);
tmp32_2 = tcg_temp_new_i32();
tmp2 = tcg_temp_new_i64();
tcg_gen_qemu_ld32u(tmp2, addr, get_mem_index(s));
tcg_gen_trunc_i64_i32(tmp32_2, tmp2);
tcg_temp_free_i64(tmp2);
tcg_gen_xor_i32(tmp32_2, tmp32_1, tmp32_2);
store_reg32(r1, tmp32_2);
set_cc_nz_u32(s, tmp32_2);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
case 0x58: /* LY R1,D2(X2,B2) [RXY] */
tmp3 = tcg_temp_new_i64();
tcg_gen_qemu_ld32u(tmp3, addr, get_mem_index(s));
store_reg32_i64(r1, tmp3);
tcg_temp_free_i64(tmp3);
break;
case 0x5a: /* AY R1,D2(X2,B2) [RXY] */
case 0x5b: /* SY R1,D2(X2,B2) [RXY] */
tmp32_1 = load_reg32(r1);
tmp32_2 = tcg_temp_new_i32();
tmp32_3 = tcg_temp_new_i32();
tmp2 = tcg_temp_new_i64();
tcg_gen_qemu_ld32s(tmp2, addr, get_mem_index(s));
tcg_gen_trunc_i64_i32(tmp32_2, tmp2);
tcg_temp_free_i64(tmp2);
switch (op) {
case 0x5a:
tcg_gen_add_i32(tmp32_3, tmp32_1, tmp32_2);
break;
case 0x5b:
tcg_gen_sub_i32(tmp32_3, tmp32_1, tmp32_2);
break;
default:
tcg_abort();
}
store_reg32(r1, tmp32_3);
switch (op) {
case 0x5a:
set_cc_add32(s, tmp32_1, tmp32_2, tmp32_3);
break;
case 0x5b:
set_cc_sub32(s, tmp32_1, tmp32_2, tmp32_3);
break;
default:
tcg_abort();
}
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
tcg_temp_free_i32(tmp32_3);
break;
case 0x71: /* LAY R1,D2(X2,B2) [RXY] */
store_reg(r1, addr);
break;
case 0x72: /* STCY R1,D2(X2,B2) [RXY] */
tmp32_1 = load_reg32(r1);
tmp2 = tcg_temp_new_i64();
tcg_gen_ext_i32_i64(tmp2, tmp32_1);
tcg_gen_qemu_st8(tmp2, addr, get_mem_index(s));
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i64(tmp2);
break;
case 0x73: /* ICY R1,D2(X2,B2) [RXY] */
tmp3 = tcg_temp_new_i64();
tcg_gen_qemu_ld8u(tmp3, addr, get_mem_index(s));
store_reg8(r1, tmp3);
tcg_temp_free_i64(tmp3);
break;
case 0x76: /* LB R1,D2(X2,B2) [RXY] */
case 0x77: /* LGB R1,D2(X2,B2) [RXY] */
tmp2 = tcg_temp_new_i64();
tcg_gen_qemu_ld8s(tmp2, addr, get_mem_index(s));
switch (op) {
case 0x76:
tcg_gen_ext8s_i64(tmp2, tmp2);
store_reg32_i64(r1, tmp2);
break;
case 0x77:
tcg_gen_ext8s_i64(tmp2, tmp2);
store_reg(r1, tmp2);
break;
default:
tcg_abort();
}
tcg_temp_free_i64(tmp2);
break;
case 0x78: /* LHY R1,D2(X2,B2) [RXY] */
tmp2 = tcg_temp_new_i64();
tcg_gen_qemu_ld16s(tmp2, addr, get_mem_index(s));
store_reg32_i64(r1, tmp2);
tcg_temp_free_i64(tmp2);
break;
case 0x80: /* NG R1,D2(X2,B2) [RXY] */
case 0x81: /* OG R1,D2(X2,B2) [RXY] */
case 0x82: /* XG R1,D2(X2,B2) [RXY] */
tmp3 = tcg_temp_new_i64();
tcg_gen_qemu_ld64(tmp3, addr, get_mem_index(s));
switch (op) {
case 0x80:
tcg_gen_and_i64(regs[r1], regs[r1], tmp3);
break;
case 0x81:
tcg_gen_or_i64(regs[r1], regs[r1], tmp3);
break;
case 0x82:
tcg_gen_xor_i64(regs[r1], regs[r1], tmp3);
break;
default:
tcg_abort();
}
set_cc_nz_u64(s, regs[r1]);
tcg_temp_free_i64(tmp3);
break;
case 0x86: /* MLG R1,D2(X2,B2) [RXY] */
tmp2 = tcg_temp_new_i64();
tmp32_1 = tcg_const_i32(r1);
tcg_gen_qemu_ld64(tmp2, addr, get_mem_index(s));
gen_helper_mlg(cpu_env, tmp32_1, tmp2);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i32(tmp32_1);
break;
case 0x87: /* DLG R1,D2(X2,B2) [RXY] */
tmp2 = tcg_temp_new_i64();
tmp32_1 = tcg_const_i32(r1);
tcg_gen_qemu_ld64(tmp2, addr, get_mem_index(s));
gen_helper_dlg(cpu_env, tmp32_1, tmp2);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i32(tmp32_1);
break;
case 0x88: /* ALCG R1,D2(X2,B2) [RXY] */
tmp2 = tcg_temp_new_i64();
tmp3 = tcg_temp_new_i64();
tcg_gen_qemu_ld64(tmp2, addr, get_mem_index(s));
/* XXX possible optimization point */
gen_op_calc_cc(s);
tcg_gen_extu_i32_i64(tmp3, cc_op);
tcg_gen_shri_i64(tmp3, tmp3, 1);
tcg_gen_andi_i64(tmp3, tmp3, 1);
tcg_gen_add_i64(tmp3, tmp2, tmp3);
tcg_gen_add_i64(tmp3, regs[r1], tmp3);
store_reg(r1, tmp3);
set_cc_addu64(s, regs[r1], tmp2, tmp3);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i64(tmp3);
break;
case 0x89: /* SLBG R1,D2(X2,B2) [RXY] */
tmp2 = tcg_temp_new_i64();
tmp32_1 = tcg_const_i32(r1);
tcg_gen_qemu_ld64(tmp2, addr, get_mem_index(s));
/* XXX possible optimization point */
gen_op_calc_cc(s);
gen_helper_slbg(cc_op, cpu_env, cc_op, tmp32_1, regs[r1], tmp2);
set_cc_static(s);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i32(tmp32_1);
break;
case 0x90: /* LLGC R1,D2(X2,B2) [RXY] */
tcg_gen_qemu_ld8u(regs[r1], addr, get_mem_index(s));
break;
case 0x91: /* LLGH R1,D2(X2,B2) [RXY] */
tcg_gen_qemu_ld16u(regs[r1], addr, get_mem_index(s));
break;
case 0x94: /* LLC R1,D2(X2,B2) [RXY] */
tmp2 = tcg_temp_new_i64();
tcg_gen_qemu_ld8u(tmp2, addr, get_mem_index(s));
store_reg32_i64(r1, tmp2);
tcg_temp_free_i64(tmp2);
break;
case 0x95: /* LLH R1,D2(X2,B2) [RXY] */
tmp2 = tcg_temp_new_i64();
tcg_gen_qemu_ld16u(tmp2, addr, get_mem_index(s));
store_reg32_i64(r1, tmp2);
tcg_temp_free_i64(tmp2);
break;
case 0x96: /* ML R1,D2(X2,B2) [RXY] */
tmp2 = tcg_temp_new_i64();
tmp3 = load_reg((r1 + 1) & 15);
tcg_gen_ext32u_i64(tmp3, tmp3);
tcg_gen_qemu_ld32u(tmp2, addr, get_mem_index(s));
tcg_gen_mul_i64(tmp2, tmp2, tmp3);
store_reg32_i64((r1 + 1) & 15, tmp2);
tcg_gen_shri_i64(tmp2, tmp2, 32);
store_reg32_i64(r1, tmp2);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i64(tmp3);
break;
case 0x97: /* DL R1,D2(X2,B2) [RXY] */
/* reg(r1) = reg(r1, r1+1) % ld32(addr) */
/* reg(r1+1) = reg(r1, r1+1) / ld32(addr) */
tmp = load_reg(r1);
tmp2 = tcg_temp_new_i64();
tcg_gen_qemu_ld32u(tmp2, addr, get_mem_index(s));
tmp3 = load_reg((r1 + 1) & 15);
tcg_gen_ext32u_i64(tmp2, tmp2);
tcg_gen_ext32u_i64(tmp3, tmp3);
tcg_gen_shli_i64(tmp, tmp, 32);
tcg_gen_or_i64(tmp, tmp, tmp3);
tcg_gen_rem_i64(tmp3, tmp, tmp2);
tcg_gen_div_i64(tmp, tmp, tmp2);
store_reg32_i64((r1 + 1) & 15, tmp);
store_reg32_i64(r1, tmp3);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i64(tmp3);
break;
case 0x98: /* ALC R1,D2(X2,B2) [RXY] */
tmp2 = tcg_temp_new_i64();
tmp32_1 = load_reg32(r1);
tmp32_2 = tcg_temp_new_i32();
tmp32_3 = tcg_temp_new_i32();
tcg_gen_qemu_ld32u(tmp2, addr, get_mem_index(s));
tcg_gen_trunc_i64_i32(tmp32_2, tmp2);
/* XXX possible optimization point */
gen_op_calc_cc(s);
gen_helper_addc_u32(tmp32_3, cc_op, tmp32_1, tmp32_2);
set_cc_addu32(s, tmp32_1, tmp32_2, tmp32_3);
store_reg32(r1, tmp32_3);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
tcg_temp_free_i32(tmp32_3);
break;
case 0x99: /* SLB R1,D2(X2,B2) [RXY] */
tmp2 = tcg_temp_new_i64();
tmp32_1 = tcg_const_i32(r1);
tmp32_2 = tcg_temp_new_i32();
tcg_gen_qemu_ld32u(tmp2, addr, get_mem_index(s));
tcg_gen_trunc_i64_i32(tmp32_2, tmp2);
/* XXX possible optimization point */
gen_op_calc_cc(s);
gen_helper_slb(cc_op, cpu_env, cc_op, tmp32_1, tmp32_2);
set_cc_static(s);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
default:
LOG_DISAS("illegal e3 operation 0x%x\n", op);
gen_illegal_opcode(env, s, 3);
break;
}
tcg_temp_free_i64(addr);
}
#ifndef CONFIG_USER_ONLY
static void disas_e5(CPUS390XState *env, DisasContext* s, uint64_t insn)
{
TCGv_i64 tmp, tmp2;
int op = (insn >> 32) & 0xff;
tmp = get_address(s, 0, (insn >> 28) & 0xf, (insn >> 16) & 0xfff);
tmp2 = get_address(s, 0, (insn >> 12) & 0xf, insn & 0xfff);
LOG_DISAS("disas_e5: insn %" PRIx64 "\n", insn);
switch (op) {
case 0x01: /* TPROT D1(B1),D2(B2) [SSE] */
/* Test Protection */
potential_page_fault(s);
gen_helper_tprot(cc_op, tmp, tmp2);
set_cc_static(s);
break;
default:
LOG_DISAS("illegal e5 operation 0x%x\n", op);
gen_illegal_opcode(env, s, 3);
break;
}
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
}
#endif
static void disas_eb(CPUS390XState *env, DisasContext *s, int op, int r1,
int r3, int b2, int d2)
{
TCGv_i64 tmp, tmp2, tmp3, tmp4;
TCGv_i32 tmp32_1, tmp32_2;
int i, stm_len;
int ilc = 3;
LOG_DISAS("disas_eb: op 0x%x r1 %d r3 %d b2 %d d2 0x%x\n",
op, r1, r3, b2, d2);
switch (op) {
case 0xc: /* SRLG R1,R3,D2(B2) [RSY] */
case 0xd: /* SLLG R1,R3,D2(B2) [RSY] */
case 0xa: /* SRAG R1,R3,D2(B2) [RSY] */
case 0xb: /* SLAG R1,R3,D2(B2) [RSY] */
case 0x1c: /* RLLG R1,R3,D2(B2) [RSY] */
if (b2) {
tmp = get_address(s, 0, b2, d2);
tcg_gen_andi_i64(tmp, tmp, 0x3f);
} else {
tmp = tcg_const_i64(d2 & 0x3f);
}
switch (op) {
case 0xc:
tcg_gen_shr_i64(regs[r1], regs[r3], tmp);
break;
case 0xd:
tcg_gen_shl_i64(regs[r1], regs[r3], tmp);
break;
case 0xa:
tcg_gen_sar_i64(regs[r1], regs[r3], tmp);
break;
case 0xb:
tmp2 = tcg_temp_new_i64();
tmp3 = tcg_temp_new_i64();
gen_op_update2_cc_i64(s, CC_OP_SLAG, regs[r3], tmp);
tcg_gen_shl_i64(tmp2, regs[r3], tmp);
/* override sign bit with source sign */
tcg_gen_andi_i64(tmp2, tmp2, ~0x8000000000000000ULL);
tcg_gen_andi_i64(tmp3, regs[r3], 0x8000000000000000ULL);
tcg_gen_or_i64(regs[r1], tmp2, tmp3);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i64(tmp3);
break;
case 0x1c:
tcg_gen_rotl_i64(regs[r1], regs[r3], tmp);
break;
default:
tcg_abort();
break;
}
if (op == 0xa) {
set_cc_s64(s, regs[r1]);
}
tcg_temp_free_i64(tmp);
break;
case 0x1d: /* RLL R1,R3,D2(B2) [RSY] */
if (b2) {
tmp = get_address(s, 0, b2, d2);
tcg_gen_andi_i64(tmp, tmp, 0x3f);
} else {
tmp = tcg_const_i64(d2 & 0x3f);
}
tmp32_1 = tcg_temp_new_i32();
tmp32_2 = load_reg32(r3);
tcg_gen_trunc_i64_i32(tmp32_1, tmp);
switch (op) {
case 0x1d:
tcg_gen_rotl_i32(tmp32_1, tmp32_2, tmp32_1);
break;
default:
tcg_abort();
break;
}
store_reg32(r1, tmp32_1);
tcg_temp_free_i64(tmp);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
case 0x4: /* LMG R1,R3,D2(B2) [RSE] */
case 0x24: /* STMG R1,R3,D2(B2) [RSE] */
stm_len = 8;
goto do_mh;
case 0x26: /* STMH R1,R3,D2(B2) [RSE] */
case 0x96: /* LMH R1,R3,D2(B2) [RSE] */
stm_len = 4;
do_mh:
/* Apparently, unrolling lmg/stmg of any size gains performance -
even for very long ones... */
tmp = get_address(s, 0, b2, d2);
tmp3 = tcg_const_i64(stm_len);
tmp4 = tcg_const_i64(op == 0x26 ? 32 : 4);
for (i = r1;; i = (i + 1) % 16) {
switch (op) {
case 0x4:
tcg_gen_qemu_ld64(regs[i], tmp, get_mem_index(s));
break;
case 0x96:
tmp2 = tcg_temp_new_i64();
#if HOST_LONG_BITS == 32
tcg_gen_qemu_ld32u(tmp2, tmp, get_mem_index(s));
tcg_gen_trunc_i64_i32(TCGV_HIGH(regs[i]), tmp2);
#else
tcg_gen_qemu_ld32u(tmp2, tmp, get_mem_index(s));
tcg_gen_shl_i64(tmp2, tmp2, tmp4);
tcg_gen_ext32u_i64(regs[i], regs[i]);
tcg_gen_or_i64(regs[i], regs[i], tmp2);
#endif
tcg_temp_free_i64(tmp2);
break;
case 0x24:
tcg_gen_qemu_st64(regs[i], tmp, get_mem_index(s));
break;
case 0x26:
tmp2 = tcg_temp_new_i64();
tcg_gen_shr_i64(tmp2, regs[i], tmp4);
tcg_gen_qemu_st32(tmp2, tmp, get_mem_index(s));
tcg_temp_free_i64(tmp2);
break;
default:
tcg_abort();
}
if (i == r3) {
break;
}
tcg_gen_add_i64(tmp, tmp, tmp3);
}
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp3);
tcg_temp_free_i64(tmp4);
break;
case 0x2c: /* STCMH R1,M3,D2(B2) [RSY] */
tmp = get_address(s, 0, b2, d2);
tmp32_1 = tcg_const_i32(r1);
tmp32_2 = tcg_const_i32(r3);
potential_page_fault(s);
gen_helper_stcmh(cpu_env, tmp32_1, tmp, tmp32_2);
tcg_temp_free_i64(tmp);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
#ifndef CONFIG_USER_ONLY
case 0x2f: /* LCTLG R1,R3,D2(B2) [RSE] */
/* Load Control */
check_privileged(env, s, ilc);
tmp = get_address(s, 0, b2, d2);
tmp32_1 = tcg_const_i32(r1);
tmp32_2 = tcg_const_i32(r3);
potential_page_fault(s);
gen_helper_lctlg(cpu_env, tmp32_1, tmp, tmp32_2);
tcg_temp_free_i64(tmp);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
case 0x25: /* STCTG R1,R3,D2(B2) [RSE] */
/* Store Control */
check_privileged(env, s, ilc);
tmp = get_address(s, 0, b2, d2);
tmp32_1 = tcg_const_i32(r1);
tmp32_2 = tcg_const_i32(r3);
potential_page_fault(s);
gen_helper_stctg(cpu_env, tmp32_1, tmp, tmp32_2);
tcg_temp_free_i64(tmp);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
#endif
case 0x30: /* CSG R1,R3,D2(B2) [RSY] */
tmp = get_address(s, 0, b2, d2);
tmp32_1 = tcg_const_i32(r1);
tmp32_2 = tcg_const_i32(r3);
potential_page_fault(s);
/* XXX rewrite in tcg */
gen_helper_csg(cc_op, cpu_env, tmp32_1, tmp, tmp32_2);
set_cc_static(s);
tcg_temp_free_i64(tmp);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
case 0x3e: /* CDSG R1,R3,D2(B2) [RSY] */
tmp = get_address(s, 0, b2, d2);
tmp32_1 = tcg_const_i32(r1);
tmp32_2 = tcg_const_i32(r3);
potential_page_fault(s);
/* XXX rewrite in tcg */
gen_helper_cdsg(cc_op, cpu_env, tmp32_1, tmp, tmp32_2);
set_cc_static(s);
tcg_temp_free_i64(tmp);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
case 0x51: /* TMY D1(B1),I2 [SIY] */
tmp = get_address(s, 0, b2, d2); /* SIY -> this is the destination */
tmp2 = tcg_const_i64((r1 << 4) | r3);
tcg_gen_qemu_ld8u(tmp, tmp, get_mem_index(s));
/* yes, this is a 32 bit operation with 64 bit tcg registers, because
that incurs less conversions */
cmp_64(s, tmp, tmp2, CC_OP_TM_32);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
break;
case 0x52: /* MVIY D1(B1),I2 [SIY] */
tmp = get_address(s, 0, b2, d2); /* SIY -> this is the destination */
tmp2 = tcg_const_i64((r1 << 4) | r3);
tcg_gen_qemu_st8(tmp2, tmp, get_mem_index(s));
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
break;
case 0x55: /* CLIY D1(B1),I2 [SIY] */
tmp3 = get_address(s, 0, b2, d2); /* SIY -> this is the 1st operand */
tmp = tcg_temp_new_i64();
tmp32_1 = tcg_temp_new_i32();
tcg_gen_qemu_ld8u(tmp, tmp3, get_mem_index(s));
tcg_gen_trunc_i64_i32(tmp32_1, tmp);
cmp_u32c(s, tmp32_1, (r1 << 4) | r3);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp3);
tcg_temp_free_i32(tmp32_1);
break;
case 0x80: /* ICMH R1,M3,D2(B2) [RSY] */
tmp = get_address(s, 0, b2, d2);
tmp32_1 = tcg_const_i32(r1);
tmp32_2 = tcg_const_i32(r3);
potential_page_fault(s);
/* XXX split CC calculation out */
gen_helper_icmh(cc_op, cpu_env, tmp32_1, tmp, tmp32_2);
set_cc_static(s);
tcg_temp_free_i64(tmp);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
default:
LOG_DISAS("illegal eb operation 0x%x\n", op);
gen_illegal_opcode(env, s, ilc);
break;
}
}
static void disas_ed(CPUS390XState *env, DisasContext *s, int op, int r1,
int x2, int b2, int d2, int r1b)
{
TCGv_i32 tmp_r1, tmp32;
TCGv_i64 addr, tmp;
addr = get_address(s, x2, b2, d2);
tmp_r1 = tcg_const_i32(r1);
switch (op) {
case 0x4: /* LDEB R1,D2(X2,B2) [RXE] */
potential_page_fault(s);
gen_helper_ldeb(cpu_env, tmp_r1, addr);
break;
case 0x5: /* LXDB R1,D2(X2,B2) [RXE] */
potential_page_fault(s);
gen_helper_lxdb(cpu_env, tmp_r1, addr);
break;
case 0x9: /* CEB R1,D2(X2,B2) [RXE] */
tmp = tcg_temp_new_i64();
tmp32 = load_freg32(r1);
tcg_gen_qemu_ld32u(tmp, addr, get_mem_index(s));
set_cc_cmp_f32_i64(s, tmp32, tmp);
tcg_temp_free_i64(tmp);
tcg_temp_free_i32(tmp32);
break;
case 0xa: /* AEB R1,D2(X2,B2) [RXE] */
tmp = tcg_temp_new_i64();
tmp32 = tcg_temp_new_i32();
tcg_gen_qemu_ld32u(tmp, addr, get_mem_index(s));
tcg_gen_trunc_i64_i32(tmp32, tmp);
gen_helper_aeb(cpu_env, tmp_r1, tmp32);
tcg_temp_free_i64(tmp);
tcg_temp_free_i32(tmp32);
tmp32 = load_freg32(r1);
gen_set_cc_nz_f32(s, tmp32);
tcg_temp_free_i32(tmp32);
break;
case 0xb: /* SEB R1,D2(X2,B2) [RXE] */
tmp = tcg_temp_new_i64();
tmp32 = tcg_temp_new_i32();
tcg_gen_qemu_ld32u(tmp, addr, get_mem_index(s));
tcg_gen_trunc_i64_i32(tmp32, tmp);
gen_helper_seb(cpu_env, tmp_r1, tmp32);
tcg_temp_free_i64(tmp);
tcg_temp_free_i32(tmp32);
tmp32 = load_freg32(r1);
gen_set_cc_nz_f32(s, tmp32);
tcg_temp_free_i32(tmp32);
break;
case 0xd: /* DEB R1,D2(X2,B2) [RXE] */
tmp = tcg_temp_new_i64();
tmp32 = tcg_temp_new_i32();
tcg_gen_qemu_ld32u(tmp, addr, get_mem_index(s));
tcg_gen_trunc_i64_i32(tmp32, tmp);
gen_helper_deb(cpu_env, tmp_r1, tmp32);
tcg_temp_free_i64(tmp);
tcg_temp_free_i32(tmp32);
break;
case 0x10: /* TCEB R1,D2(X2,B2) [RXE] */
potential_page_fault(s);
gen_helper_tceb(cc_op, cpu_env, tmp_r1, addr);
set_cc_static(s);
break;
case 0x11: /* TCDB R1,D2(X2,B2) [RXE] */
potential_page_fault(s);
gen_helper_tcdb(cc_op, cpu_env, tmp_r1, addr);
set_cc_static(s);
break;
case 0x12: /* TCXB R1,D2(X2,B2) [RXE] */
potential_page_fault(s);
gen_helper_tcxb(cc_op, cpu_env, tmp_r1, addr);
set_cc_static(s);
break;
case 0x17: /* MEEB R1,D2(X2,B2) [RXE] */
tmp = tcg_temp_new_i64();
tmp32 = tcg_temp_new_i32();
tcg_gen_qemu_ld32u(tmp, addr, get_mem_index(s));
tcg_gen_trunc_i64_i32(tmp32, tmp);
gen_helper_meeb(cpu_env, tmp_r1, tmp32);
tcg_temp_free_i64(tmp);
tcg_temp_free_i32(tmp32);
break;
case 0x19: /* CDB R1,D2(X2,B2) [RXE] */
potential_page_fault(s);
gen_helper_cdb(cc_op, cpu_env, tmp_r1, addr);
set_cc_static(s);
break;
case 0x1a: /* ADB R1,D2(X2,B2) [RXE] */
potential_page_fault(s);
gen_helper_adb(cc_op, cpu_env, tmp_r1, addr);
set_cc_static(s);
break;
case 0x1b: /* SDB R1,D2(X2,B2) [RXE] */
potential_page_fault(s);
gen_helper_sdb(cc_op, cpu_env, tmp_r1, addr);
set_cc_static(s);
break;
case 0x1c: /* MDB R1,D2(X2,B2) [RXE] */
potential_page_fault(s);
gen_helper_mdb(cpu_env, tmp_r1, addr);
break;
case 0x1d: /* DDB R1,D2(X2,B2) [RXE] */
potential_page_fault(s);
gen_helper_ddb(cpu_env, tmp_r1, addr);
break;
case 0x1e: /* MADB R1,R3,D2(X2,B2) [RXF] */
/* for RXF insns, r1 is R3 and r1b is R1 */
tmp32 = tcg_const_i32(r1b);
potential_page_fault(s);
gen_helper_madb(cpu_env, tmp32, addr, tmp_r1);
tcg_temp_free_i32(tmp32);
break;
default:
LOG_DISAS("illegal ed operation 0x%x\n", op);
gen_illegal_opcode(env, s, 3);
return;
}
tcg_temp_free_i32(tmp_r1);
tcg_temp_free_i64(addr);
}
static void disas_a5(CPUS390XState *env, DisasContext *s, int op, int r1,
int i2)
{
TCGv_i64 tmp, tmp2;
TCGv_i32 tmp32;
LOG_DISAS("disas_a5: op 0x%x r1 %d i2 0x%x\n", op, r1, i2);
switch (op) {
case 0x0: /* IIHH R1,I2 [RI] */
tmp = tcg_const_i64(i2);
tcg_gen_deposit_i64(regs[r1], regs[r1], tmp, 48, 16);
tcg_temp_free_i64(tmp);
break;
case 0x1: /* IIHL R1,I2 [RI] */
tmp = tcg_const_i64(i2);
tcg_gen_deposit_i64(regs[r1], regs[r1], tmp, 32, 16);
tcg_temp_free_i64(tmp);
break;
case 0x2: /* IILH R1,I2 [RI] */
tmp = tcg_const_i64(i2);
tcg_gen_deposit_i64(regs[r1], regs[r1], tmp, 16, 16);
tcg_temp_free_i64(tmp);
break;
case 0x3: /* IILL R1,I2 [RI] */
tmp = tcg_const_i64(i2);
tcg_gen_deposit_i64(regs[r1], regs[r1], tmp, 0, 16);
tcg_temp_free_i64(tmp);
break;
case 0x4: /* NIHH R1,I2 [RI] */
case 0x8: /* OIHH R1,I2 [RI] */
tmp = load_reg(r1);
tmp32 = tcg_temp_new_i32();
switch (op) {
case 0x4:
tmp2 = tcg_const_i64((((uint64_t)i2) << 48)
| 0x0000ffffffffffffULL);
tcg_gen_and_i64(tmp, tmp, tmp2);
break;
case 0x8:
tmp2 = tcg_const_i64(((uint64_t)i2) << 48);
tcg_gen_or_i64(tmp, tmp, tmp2);
break;
default:
tcg_abort();
}
store_reg(r1, tmp);
tcg_gen_shri_i64(tmp2, tmp, 48);
tcg_gen_trunc_i64_i32(tmp32, tmp2);
set_cc_nz_u32(s, tmp32);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i32(tmp32);
tcg_temp_free_i64(tmp);
break;
case 0x5: /* NIHL R1,I2 [RI] */
case 0x9: /* OIHL R1,I2 [RI] */
tmp = load_reg(r1);
tmp32 = tcg_temp_new_i32();
switch (op) {
case 0x5:
tmp2 = tcg_const_i64((((uint64_t)i2) << 32)
| 0xffff0000ffffffffULL);
tcg_gen_and_i64(tmp, tmp, tmp2);
break;
case 0x9:
tmp2 = tcg_const_i64(((uint64_t)i2) << 32);
tcg_gen_or_i64(tmp, tmp, tmp2);
break;
default:
tcg_abort();
}
store_reg(r1, tmp);
tcg_gen_shri_i64(tmp2, tmp, 32);
tcg_gen_trunc_i64_i32(tmp32, tmp2);
tcg_gen_andi_i32(tmp32, tmp32, 0xffff);
set_cc_nz_u32(s, tmp32);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i32(tmp32);
tcg_temp_free_i64(tmp);
break;
case 0x6: /* NILH R1,I2 [RI] */
case 0xa: /* OILH R1,I2 [RI] */
tmp = load_reg(r1);
tmp32 = tcg_temp_new_i32();
switch (op) {
case 0x6:
tmp2 = tcg_const_i64((((uint64_t)i2) << 16)
| 0xffffffff0000ffffULL);
tcg_gen_and_i64(tmp, tmp, tmp2);
break;
case 0xa:
tmp2 = tcg_const_i64(((uint64_t)i2) << 16);
tcg_gen_or_i64(tmp, tmp, tmp2);
break;
default:
tcg_abort();
}
store_reg(r1, tmp);
tcg_gen_shri_i64(tmp, tmp, 16);
tcg_gen_trunc_i64_i32(tmp32, tmp);
tcg_gen_andi_i32(tmp32, tmp32, 0xffff);
set_cc_nz_u32(s, tmp32);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i32(tmp32);
tcg_temp_free_i64(tmp);
break;
case 0x7: /* NILL R1,I2 [RI] */
case 0xb: /* OILL R1,I2 [RI] */
tmp = load_reg(r1);
tmp32 = tcg_temp_new_i32();
switch (op) {
case 0x7:
tmp2 = tcg_const_i64(i2 | 0xffffffffffff0000ULL);
tcg_gen_and_i64(tmp, tmp, tmp2);
break;
case 0xb:
tmp2 = tcg_const_i64(i2);
tcg_gen_or_i64(tmp, tmp, tmp2);
break;
default:
tcg_abort();
}
store_reg(r1, tmp);
tcg_gen_trunc_i64_i32(tmp32, tmp);
tcg_gen_andi_i32(tmp32, tmp32, 0xffff);
set_cc_nz_u32(s, tmp32); /* signedness should not matter here */
tcg_temp_free_i64(tmp2);
tcg_temp_free_i32(tmp32);
tcg_temp_free_i64(tmp);
break;
case 0xc: /* LLIHH R1,I2 [RI] */
tmp = tcg_const_i64( ((uint64_t)i2) << 48 );
store_reg(r1, tmp);
tcg_temp_free_i64(tmp);
break;
case 0xd: /* LLIHL R1,I2 [RI] */
tmp = tcg_const_i64( ((uint64_t)i2) << 32 );
store_reg(r1, tmp);
tcg_temp_free_i64(tmp);
break;
case 0xe: /* LLILH R1,I2 [RI] */
tmp = tcg_const_i64( ((uint64_t)i2) << 16 );
store_reg(r1, tmp);
tcg_temp_free_i64(tmp);
break;
case 0xf: /* LLILL R1,I2 [RI] */
tmp = tcg_const_i64(i2);
store_reg(r1, tmp);
tcg_temp_free_i64(tmp);
break;
default:
LOG_DISAS("illegal a5 operation 0x%x\n", op);
gen_illegal_opcode(env, s, 2);
return;
}
}
static void disas_a7(CPUS390XState *env, DisasContext *s, int op, int r1,
int i2)
{
TCGv_i64 tmp, tmp2;
TCGv_i32 tmp32_1, tmp32_2, tmp32_3;
int l1;
LOG_DISAS("disas_a7: op 0x%x r1 %d i2 0x%x\n", op, r1, i2);
switch (op) {
case 0x0: /* TMLH or TMH R1,I2 [RI] */
case 0x1: /* TMLL or TML R1,I2 [RI] */
case 0x2: /* TMHH R1,I2 [RI] */
case 0x3: /* TMHL R1,I2 [RI] */
tmp = load_reg(r1);
tmp2 = tcg_const_i64((uint16_t)i2);
switch (op) {
case 0x0:
tcg_gen_shri_i64(tmp, tmp, 16);
break;
case 0x1:
break;
case 0x2:
tcg_gen_shri_i64(tmp, tmp, 48);
break;
case 0x3:
tcg_gen_shri_i64(tmp, tmp, 32);
break;
}
tcg_gen_andi_i64(tmp, tmp, 0xffff);
cmp_64(s, tmp, tmp2, CC_OP_TM_64);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
break;
case 0x4: /* brc m1, i2 */
gen_brc(r1, s, i2 * 2LL);
return;
case 0x5: /* BRAS R1,I2 [RI] */
tmp = tcg_const_i64(pc_to_link_info(s, s->pc + 4));
store_reg(r1, tmp);
tcg_temp_free_i64(tmp);
gen_goto_tb(s, 0, s->pc + i2 * 2LL);
s->is_jmp = DISAS_TB_JUMP;
break;
case 0x6: /* BRCT R1,I2 [RI] */
tmp32_1 = load_reg32(r1);
tcg_gen_subi_i32(tmp32_1, tmp32_1, 1);
store_reg32(r1, tmp32_1);
gen_update_cc_op(s);
l1 = gen_new_label();
tcg_gen_brcondi_i32(TCG_COND_EQ, tmp32_1, 0, l1);
gen_goto_tb(s, 0, s->pc + (i2 * 2LL));
gen_set_label(l1);
gen_goto_tb(s, 1, s->pc + 4);
s->is_jmp = DISAS_TB_JUMP;
tcg_temp_free_i32(tmp32_1);
break;
case 0x7: /* BRCTG R1,I2 [RI] */
tmp = load_reg(r1);
tcg_gen_subi_i64(tmp, tmp, 1);
store_reg(r1, tmp);
gen_update_cc_op(s);
l1 = gen_new_label();
tcg_gen_brcondi_i64(TCG_COND_EQ, tmp, 0, l1);
gen_goto_tb(s, 0, s->pc + (i2 * 2LL));
gen_set_label(l1);
gen_goto_tb(s, 1, s->pc + 4);
s->is_jmp = DISAS_TB_JUMP;
tcg_temp_free_i64(tmp);
break;
case 0x8: /* lhi r1, i2 */
tmp32_1 = tcg_const_i32(i2);
store_reg32(r1, tmp32_1);
tcg_temp_free_i32(tmp32_1);
break;
case 0x9: /* lghi r1, i2 */
tmp = tcg_const_i64(i2);
store_reg(r1, tmp);
tcg_temp_free_i64(tmp);
break;
case 0xa: /* AHI R1,I2 [RI] */
tmp32_1 = load_reg32(r1);
tmp32_2 = tcg_temp_new_i32();
tmp32_3 = tcg_const_i32(i2);
if (i2 < 0) {
tcg_gen_subi_i32(tmp32_2, tmp32_1, -i2);
} else {
tcg_gen_add_i32(tmp32_2, tmp32_1, tmp32_3);
}
store_reg32(r1, tmp32_2);
set_cc_add32(s, tmp32_1, tmp32_3, tmp32_2);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
tcg_temp_free_i32(tmp32_3);
break;
case 0xb: /* aghi r1, i2 */
tmp = load_reg(r1);
tmp2 = tcg_const_i64(i2);
if (i2 < 0) {
tcg_gen_subi_i64(regs[r1], tmp, -i2);
} else {
tcg_gen_add_i64(regs[r1], tmp, tmp2);
}
set_cc_add64(s, tmp, tmp2, regs[r1]);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
break;
case 0xc: /* MHI R1,I2 [RI] */
tmp32_1 = load_reg32(r1);
tcg_gen_muli_i32(tmp32_1, tmp32_1, i2);
store_reg32(r1, tmp32_1);
tcg_temp_free_i32(tmp32_1);
break;
case 0xd: /* MGHI R1,I2 [RI] */
tmp = load_reg(r1);
tcg_gen_muli_i64(tmp, tmp, i2);
store_reg(r1, tmp);
tcg_temp_free_i64(tmp);
break;
case 0xe: /* CHI R1,I2 [RI] */
tmp32_1 = load_reg32(r1);
cmp_s32c(s, tmp32_1, i2);
tcg_temp_free_i32(tmp32_1);
break;
case 0xf: /* CGHI R1,I2 [RI] */
tmp = load_reg(r1);
cmp_s64c(s, tmp, i2);
tcg_temp_free_i64(tmp);
break;
default:
LOG_DISAS("illegal a7 operation 0x%x\n", op);
gen_illegal_opcode(env, s, 2);
return;
}
}
static void disas_b2(CPUS390XState *env, DisasContext *s, int op,
uint32_t insn)
{
TCGv_i64 tmp, tmp2, tmp3;
TCGv_i32 tmp32_1, tmp32_2, tmp32_3;
int r1, r2;
int ilc = 2;
#ifndef CONFIG_USER_ONLY
int r3, d2, b2;
#endif
r1 = (insn >> 4) & 0xf;
r2 = insn & 0xf;
LOG_DISAS("disas_b2: op 0x%x r1 %d r2 %d\n", op, r1, r2);
switch (op) {
case 0x22: /* IPM R1 [RRE] */
tmp32_1 = tcg_const_i32(r1);
gen_op_calc_cc(s);
gen_helper_ipm(cpu_env, cc_op, tmp32_1);
tcg_temp_free_i32(tmp32_1);
break;
case 0x41: /* CKSM R1,R2 [RRE] */
tmp32_1 = tcg_const_i32(r1);
tmp32_2 = tcg_const_i32(r2);
potential_page_fault(s);
gen_helper_cksm(cpu_env, tmp32_1, tmp32_2);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
gen_op_movi_cc(s, 0);
break;
case 0x4e: /* SAR R1,R2 [RRE] */
tmp32_1 = load_reg32(r2);
tcg_gen_st_i32(tmp32_1, cpu_env, offsetof(CPUS390XState, aregs[r1]));
tcg_temp_free_i32(tmp32_1);
break;
case 0x4f: /* EAR R1,R2 [RRE] */
tmp32_1 = tcg_temp_new_i32();
tcg_gen_ld_i32(tmp32_1, cpu_env, offsetof(CPUS390XState, aregs[r2]));
store_reg32(r1, tmp32_1);
tcg_temp_free_i32(tmp32_1);
break;
case 0x52: /* MSR R1,R2 [RRE] */
tmp32_1 = load_reg32(r1);
tmp32_2 = load_reg32(r2);
tcg_gen_mul_i32(tmp32_1, tmp32_1, tmp32_2);
store_reg32(r1, tmp32_1);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
case 0x54: /* MVPG R1,R2 [RRE] */
tmp = load_reg(0);
tmp2 = load_reg(r1);
tmp3 = load_reg(r2);
potential_page_fault(s);
gen_helper_mvpg(cpu_env, tmp, tmp2, tmp3);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i64(tmp3);
/* XXX check CCO bit and set CC accordingly */
gen_op_movi_cc(s, 0);
break;
case 0x55: /* MVST R1,R2 [RRE] */
tmp32_1 = load_reg32(0);
tmp32_2 = tcg_const_i32(r1);
tmp32_3 = tcg_const_i32(r2);
potential_page_fault(s);
gen_helper_mvst(cpu_env, tmp32_1, tmp32_2, tmp32_3);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
tcg_temp_free_i32(tmp32_3);
gen_op_movi_cc(s, 1);
break;
case 0x5d: /* CLST R1,R2 [RRE] */
tmp32_1 = load_reg32(0);
tmp32_2 = tcg_const_i32(r1);
tmp32_3 = tcg_const_i32(r2);
potential_page_fault(s);
gen_helper_clst(cc_op, cpu_env, tmp32_1, tmp32_2, tmp32_3);
set_cc_static(s);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
tcg_temp_free_i32(tmp32_3);
break;
case 0x5e: /* SRST R1,R2 [RRE] */
tmp32_1 = load_reg32(0);
tmp32_2 = tcg_const_i32(r1);
tmp32_3 = tcg_const_i32(r2);
potential_page_fault(s);
gen_helper_srst(cc_op, cpu_env, tmp32_1, tmp32_2, tmp32_3);
set_cc_static(s);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
tcg_temp_free_i32(tmp32_3);
break;
#ifndef CONFIG_USER_ONLY
case 0x02: /* STIDP D2(B2) [S] */
/* Store CPU ID */
check_privileged(env, s, ilc);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
potential_page_fault(s);
gen_helper_stidp(cpu_env, tmp);
tcg_temp_free_i64(tmp);
break;
case 0x04: /* SCK D2(B2) [S] */
/* Set Clock */
check_privileged(env, s, ilc);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
potential_page_fault(s);
gen_helper_sck(cc_op, tmp);
set_cc_static(s);
tcg_temp_free_i64(tmp);
break;
case 0x05: /* STCK D2(B2) [S] */
/* Store Clock */
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
potential_page_fault(s);
gen_helper_stck(cc_op, cpu_env, tmp);
set_cc_static(s);
tcg_temp_free_i64(tmp);
break;
case 0x06: /* SCKC D2(B2) [S] */
/* Set Clock Comparator */
check_privileged(env, s, ilc);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
potential_page_fault(s);
gen_helper_sckc(cpu_env, tmp);
tcg_temp_free_i64(tmp);
break;
case 0x07: /* STCKC D2(B2) [S] */
/* Store Clock Comparator */
check_privileged(env, s, ilc);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
potential_page_fault(s);
gen_helper_stckc(cpu_env, tmp);
tcg_temp_free_i64(tmp);
break;
case 0x08: /* SPT D2(B2) [S] */
/* Set CPU Timer */
check_privileged(env, s, ilc);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
potential_page_fault(s);
gen_helper_spt(cpu_env, tmp);
tcg_temp_free_i64(tmp);
break;
case 0x09: /* STPT D2(B2) [S] */
/* Store CPU Timer */
check_privileged(env, s, ilc);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
potential_page_fault(s);
gen_helper_stpt(cpu_env, tmp);
tcg_temp_free_i64(tmp);
break;
case 0x0a: /* SPKA D2(B2) [S] */
/* Set PSW Key from Address */
check_privileged(env, s, ilc);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
tmp2 = tcg_temp_new_i64();
tcg_gen_andi_i64(tmp2, psw_mask, ~PSW_MASK_KEY);
tcg_gen_shli_i64(tmp, tmp, PSW_SHIFT_KEY - 4);
tcg_gen_or_i64(psw_mask, tmp2, tmp);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i64(tmp);
break;
case 0x0d: /* PTLB [S] */
/* Purge TLB */
check_privileged(env, s, ilc);
gen_helper_ptlb(cpu_env);
break;
case 0x10: /* SPX D2(B2) [S] */
/* Set Prefix Register */
check_privileged(env, s, ilc);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
potential_page_fault(s);
gen_helper_spx(cpu_env, tmp);
tcg_temp_free_i64(tmp);
break;
case 0x11: /* STPX D2(B2) [S] */
/* Store Prefix */
check_privileged(env, s, ilc);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
tmp2 = tcg_temp_new_i64();
tcg_gen_ld_i64(tmp2, cpu_env, offsetof(CPUS390XState, psa));
tcg_gen_qemu_st32(tmp2, tmp, get_mem_index(s));
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
break;
case 0x12: /* STAP D2(B2) [S] */
/* Store CPU Address */
check_privileged(env, s, ilc);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
tmp2 = tcg_temp_new_i64();
tmp32_1 = tcg_temp_new_i32();
tcg_gen_ld_i32(tmp32_1, cpu_env, offsetof(CPUS390XState, cpu_num));
tcg_gen_extu_i32_i64(tmp2, tmp32_1);
tcg_gen_qemu_st32(tmp2, tmp, get_mem_index(s));
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i32(tmp32_1);
break;
case 0x21: /* IPTE R1,R2 [RRE] */
/* Invalidate PTE */
check_privileged(env, s, ilc);
r1 = (insn >> 4) & 0xf;
r2 = insn & 0xf;
tmp = load_reg(r1);
tmp2 = load_reg(r2);
gen_helper_ipte(cpu_env, tmp, tmp2);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
break;
case 0x29: /* ISKE R1,R2 [RRE] */
/* Insert Storage Key Extended */
check_privileged(env, s, ilc);
r1 = (insn >> 4) & 0xf;
r2 = insn & 0xf;
tmp = load_reg(r2);
tmp2 = tcg_temp_new_i64();
gen_helper_iske(tmp2, cpu_env, tmp);
store_reg(r1, tmp2);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
break;
case 0x2a: /* RRBE R1,R2 [RRE] */
/* Set Storage Key Extended */
check_privileged(env, s, ilc);
r1 = (insn >> 4) & 0xf;
r2 = insn & 0xf;
tmp32_1 = load_reg32(r1);
tmp = load_reg(r2);
gen_helper_rrbe(cc_op, cpu_env, tmp32_1, tmp);
set_cc_static(s);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i64(tmp);
break;
case 0x2b: /* SSKE R1,R2 [RRE] */
/* Set Storage Key Extended */
check_privileged(env, s, ilc);
r1 = (insn >> 4) & 0xf;
r2 = insn & 0xf;
tmp32_1 = load_reg32(r1);
tmp = load_reg(r2);
gen_helper_sske(cpu_env, tmp32_1, tmp);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i64(tmp);
break;
case 0x34: /* STCH ? */
/* Store Subchannel */
check_privileged(env, s, ilc);
gen_op_movi_cc(s, 3);
break;
case 0x46: /* STURA R1,R2 [RRE] */
/* Store Using Real Address */
check_privileged(env, s, ilc);
r1 = (insn >> 4) & 0xf;
r2 = insn & 0xf;
tmp32_1 = load_reg32(r1);
tmp = load_reg(r2);
potential_page_fault(s);
gen_helper_stura(cpu_env, tmp, tmp32_1);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i64(tmp);
break;
case 0x50: /* CSP R1,R2 [RRE] */
/* Compare And Swap And Purge */
check_privileged(env, s, ilc);
r1 = (insn >> 4) & 0xf;
r2 = insn & 0xf;
tmp32_1 = tcg_const_i32(r1);
tmp32_2 = tcg_const_i32(r2);
gen_helper_csp(cc_op, cpu_env, tmp32_1, tmp32_2);
set_cc_static(s);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
case 0x5f: /* CHSC ? */
/* Channel Subsystem Call */
check_privileged(env, s, ilc);
gen_op_movi_cc(s, 3);
break;
case 0x78: /* STCKE D2(B2) [S] */
/* Store Clock Extended */
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
potential_page_fault(s);
gen_helper_stcke(cc_op, cpu_env, tmp);
set_cc_static(s);
tcg_temp_free_i64(tmp);
break;
case 0x79: /* SACF D2(B2) [S] */
/* Store Clock Extended */
check_privileged(env, s, ilc);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
potential_page_fault(s);
gen_helper_sacf(cpu_env, tmp);
tcg_temp_free_i64(tmp);
/* addressing mode has changed, so end the block */
s->pc += ilc * 2;
update_psw_addr(s);
s->is_jmp = DISAS_EXCP;
break;
case 0x7d: /* STSI D2,(B2) [S] */
check_privileged(env, s, ilc);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
tmp32_1 = load_reg32(0);
tmp32_2 = load_reg32(1);
potential_page_fault(s);
gen_helper_stsi(cc_op, cpu_env, tmp, tmp32_1, tmp32_2);
set_cc_static(s);
tcg_temp_free_i64(tmp);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
case 0x9d: /* LFPC D2(B2) [S] */
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
tmp2 = tcg_temp_new_i64();
tmp32_1 = tcg_temp_new_i32();
tcg_gen_qemu_ld32u(tmp2, tmp, get_mem_index(s));
tcg_gen_trunc_i64_i32(tmp32_1, tmp2);
tcg_gen_st_i32(tmp32_1, cpu_env, offsetof(CPUS390XState, fpc));
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i32(tmp32_1);
break;
case 0xb1: /* STFL D2(B2) [S] */
/* Store Facility List (CPU features) at 200 */
check_privileged(env, s, ilc);
tmp2 = tcg_const_i64(0xc0000000);
tmp = tcg_const_i64(200);
tcg_gen_qemu_st32(tmp2, tmp, get_mem_index(s));
tcg_temp_free_i64(tmp2);
tcg_temp_free_i64(tmp);
break;
case 0xb2: /* LPSWE D2(B2) [S] */
/* Load PSW Extended */
check_privileged(env, s, ilc);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
tmp2 = tcg_temp_new_i64();
tmp3 = tcg_temp_new_i64();
tcg_gen_qemu_ld64(tmp2, tmp, get_mem_index(s));
tcg_gen_addi_i64(tmp, tmp, 8);
tcg_gen_qemu_ld64(tmp3, tmp, get_mem_index(s));
gen_helper_load_psw(cpu_env, tmp2, tmp3);
/* we need to keep cc_op intact */
s->is_jmp = DISAS_JUMP;
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i64(tmp3);
break;
case 0x20: /* SERVC R1,R2 [RRE] */
/* SCLP Service call (PV hypercall) */
check_privileged(env, s, ilc);
potential_page_fault(s);
tmp32_1 = load_reg32(r2);
tmp = load_reg(r1);
gen_helper_servc(cc_op, cpu_env, tmp32_1, tmp);
set_cc_static(s);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i64(tmp);
break;
#endif
default:
LOG_DISAS("illegal b2 operation 0x%x\n", op);
gen_illegal_opcode(env, s, ilc);
break;
}
}
static void disas_b3(CPUS390XState *env, DisasContext *s, int op, int m3,
int r1, int r2)
{
TCGv_i64 tmp;
TCGv_i32 tmp32_1, tmp32_2, tmp32_3;
LOG_DISAS("disas_b3: op 0x%x m3 0x%x r1 %d r2 %d\n", op, m3, r1, r2);
#define FP_HELPER(i) \
tmp32_1 = tcg_const_i32(r1); \
tmp32_2 = tcg_const_i32(r2); \
gen_helper_ ## i(cpu_env, tmp32_1, tmp32_2); \
tcg_temp_free_i32(tmp32_1); \
tcg_temp_free_i32(tmp32_2);
#define FP_HELPER_CC(i) \
tmp32_1 = tcg_const_i32(r1); \
tmp32_2 = tcg_const_i32(r2); \
gen_helper_ ## i(cc_op, cpu_env, tmp32_1, tmp32_2); \
set_cc_static(s); \
tcg_temp_free_i32(tmp32_1); \
tcg_temp_free_i32(tmp32_2);
switch (op) {
case 0x0: /* LPEBR R1,R2 [RRE] */
FP_HELPER_CC(lpebr);
break;
case 0x2: /* LTEBR R1,R2 [RRE] */
FP_HELPER_CC(ltebr);
break;
case 0x3: /* LCEBR R1,R2 [RRE] */
FP_HELPER_CC(lcebr);
break;
case 0x4: /* LDEBR R1,R2 [RRE] */
FP_HELPER(ldebr);
break;
case 0x5: /* LXDBR R1,R2 [RRE] */
FP_HELPER(lxdbr);
break;
case 0x9: /* CEBR R1,R2 [RRE] */
FP_HELPER_CC(cebr);
break;
case 0xa: /* AEBR R1,R2 [RRE] */
FP_HELPER_CC(aebr);
break;
case 0xb: /* SEBR R1,R2 [RRE] */
FP_HELPER_CC(sebr);
break;
case 0xd: /* DEBR R1,R2 [RRE] */
FP_HELPER(debr);
break;
case 0x10: /* LPDBR R1,R2 [RRE] */
FP_HELPER_CC(lpdbr);
break;
case 0x12: /* LTDBR R1,R2 [RRE] */
FP_HELPER_CC(ltdbr);
break;
case 0x13: /* LCDBR R1,R2 [RRE] */
FP_HELPER_CC(lcdbr);
break;
case 0x15: /* SQBDR R1,R2 [RRE] */
FP_HELPER(sqdbr);
break;
case 0x17: /* MEEBR R1,R2 [RRE] */
FP_HELPER(meebr);
break;
case 0x19: /* CDBR R1,R2 [RRE] */
FP_HELPER_CC(cdbr);
break;
case 0x1a: /* ADBR R1,R2 [RRE] */
FP_HELPER_CC(adbr);
break;
case 0x1b: /* SDBR R1,R2 [RRE] */
FP_HELPER_CC(sdbr);
break;
case 0x1c: /* MDBR R1,R2 [RRE] */
FP_HELPER(mdbr);
break;
case 0x1d: /* DDBR R1,R2 [RRE] */
FP_HELPER(ddbr);
break;
case 0xe: /* MAEBR R1,R3,R2 [RRF] */
case 0x1e: /* MADBR R1,R3,R2 [RRF] */
case 0x1f: /* MSDBR R1,R3,R2 [RRF] */
/* for RRF insns, m3 is R1, r1 is R3, and r2 is R2 */
tmp32_1 = tcg_const_i32(m3);
tmp32_2 = tcg_const_i32(r2);
tmp32_3 = tcg_const_i32(r1);
switch (op) {
case 0xe:
gen_helper_maebr(cpu_env, tmp32_1, tmp32_3, tmp32_2);
break;
case 0x1e:
gen_helper_madbr(cpu_env, tmp32_1, tmp32_3, tmp32_2);
break;
case 0x1f:
gen_helper_msdbr(cpu_env, tmp32_1, tmp32_3, tmp32_2);
break;
default:
tcg_abort();
}
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
tcg_temp_free_i32(tmp32_3);
break;
case 0x40: /* LPXBR R1,R2 [RRE] */
FP_HELPER_CC(lpxbr);
break;
case 0x42: /* LTXBR R1,R2 [RRE] */
FP_HELPER_CC(ltxbr);
break;
case 0x43: /* LCXBR R1,R2 [RRE] */
FP_HELPER_CC(lcxbr);
break;
case 0x44: /* LEDBR R1,R2 [RRE] */
FP_HELPER(ledbr);
break;
case 0x45: /* LDXBR R1,R2 [RRE] */
FP_HELPER(ldxbr);
break;
case 0x46: /* LEXBR R1,R2 [RRE] */
FP_HELPER(lexbr);
break;
case 0x49: /* CXBR R1,R2 [RRE] */
FP_HELPER_CC(cxbr);
break;
case 0x4a: /* AXBR R1,R2 [RRE] */
FP_HELPER_CC(axbr);
break;
case 0x4b: /* SXBR R1,R2 [RRE] */
FP_HELPER_CC(sxbr);
break;
case 0x4c: /* MXBR R1,R2 [RRE] */
FP_HELPER(mxbr);
break;
case 0x4d: /* DXBR R1,R2 [RRE] */
FP_HELPER(dxbr);
break;
case 0x65: /* LXR R1,R2 [RRE] */
tmp = load_freg(r2);
store_freg(r1, tmp);
tcg_temp_free_i64(tmp);
tmp = load_freg(r2 + 2);
store_freg(r1 + 2, tmp);
tcg_temp_free_i64(tmp);
break;
case 0x74: /* LZER R1 [RRE] */
tmp32_1 = tcg_const_i32(r1);
gen_helper_lzer(cpu_env, tmp32_1);
tcg_temp_free_i32(tmp32_1);
break;
case 0x75: /* LZDR R1 [RRE] */
tmp32_1 = tcg_const_i32(r1);
gen_helper_lzdr(cpu_env, tmp32_1);
tcg_temp_free_i32(tmp32_1);
break;
case 0x76: /* LZXR R1 [RRE] */
tmp32_1 = tcg_const_i32(r1);
gen_helper_lzxr(cpu_env, tmp32_1);
tcg_temp_free_i32(tmp32_1);
break;
case 0x84: /* SFPC R1 [RRE] */
tmp32_1 = load_reg32(r1);
tcg_gen_st_i32(tmp32_1, cpu_env, offsetof(CPUS390XState, fpc));
tcg_temp_free_i32(tmp32_1);
break;
case 0x8c: /* EFPC R1 [RRE] */
tmp32_1 = tcg_temp_new_i32();
tcg_gen_ld_i32(tmp32_1, cpu_env, offsetof(CPUS390XState, fpc));
store_reg32(r1, tmp32_1);
tcg_temp_free_i32(tmp32_1);
break;
case 0x94: /* CEFBR R1,R2 [RRE] */
case 0x95: /* CDFBR R1,R2 [RRE] */
case 0x96: /* CXFBR R1,R2 [RRE] */
tmp32_1 = tcg_const_i32(r1);
tmp32_2 = load_reg32(r2);
switch (op) {
case 0x94:
gen_helper_cefbr(cpu_env, tmp32_1, tmp32_2);
break;
case 0x95:
gen_helper_cdfbr(cpu_env, tmp32_1, tmp32_2);
break;
case 0x96:
gen_helper_cxfbr(cpu_env, tmp32_1, tmp32_2);
break;
default:
tcg_abort();
}
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
case 0x98: /* CFEBR R1,R2 [RRE] */
case 0x99: /* CFDBR R1,R2 [RRE] */
case 0x9a: /* CFXBR R1,R2 [RRE] */
tmp32_1 = tcg_const_i32(r1);
tmp32_2 = tcg_const_i32(r2);
tmp32_3 = tcg_const_i32(m3);
switch (op) {
case 0x98:
gen_helper_cfebr(cc_op, cpu_env, tmp32_1, tmp32_2, tmp32_3);
break;
case 0x99:
gen_helper_cfdbr(cc_op, cpu_env, tmp32_1, tmp32_2, tmp32_3);
break;
case 0x9a:
gen_helper_cfxbr(cc_op, cpu_env, tmp32_1, tmp32_2, tmp32_3);
break;
default:
tcg_abort();
}
set_cc_static(s);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
tcg_temp_free_i32(tmp32_3);
break;
case 0xa4: /* CEGBR R1,R2 [RRE] */
case 0xa5: /* CDGBR R1,R2 [RRE] */
tmp32_1 = tcg_const_i32(r1);
tmp = load_reg(r2);
switch (op) {
case 0xa4:
gen_helper_cegbr(cpu_env, tmp32_1, tmp);
break;
case 0xa5:
gen_helper_cdgbr(cpu_env, tmp32_1, tmp);
break;
default:
tcg_abort();
}
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i64(tmp);
break;
case 0xa6: /* CXGBR R1,R2 [RRE] */
tmp32_1 = tcg_const_i32(r1);
tmp = load_reg(r2);
gen_helper_cxgbr(cpu_env, tmp32_1, tmp);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i64(tmp);
break;
case 0xa8: /* CGEBR R1,R2 [RRE] */
tmp32_1 = tcg_const_i32(r1);
tmp32_2 = tcg_const_i32(r2);
tmp32_3 = tcg_const_i32(m3);
gen_helper_cgebr(cc_op, cpu_env, tmp32_1, tmp32_2, tmp32_3);
set_cc_static(s);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
tcg_temp_free_i32(tmp32_3);
break;
case 0xa9: /* CGDBR R1,R2 [RRE] */
tmp32_1 = tcg_const_i32(r1);
tmp32_2 = tcg_const_i32(r2);
tmp32_3 = tcg_const_i32(m3);
gen_helper_cgdbr(cc_op, cpu_env, tmp32_1, tmp32_2, tmp32_3);
set_cc_static(s);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
tcg_temp_free_i32(tmp32_3);
break;
case 0xaa: /* CGXBR R1,R2 [RRE] */
tmp32_1 = tcg_const_i32(r1);
tmp32_2 = tcg_const_i32(r2);
tmp32_3 = tcg_const_i32(m3);
gen_helper_cgxbr(cc_op, cpu_env, tmp32_1, tmp32_2, tmp32_3);
set_cc_static(s);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
tcg_temp_free_i32(tmp32_3);
break;
default:
LOG_DISAS("illegal b3 operation 0x%x\n", op);
gen_illegal_opcode(env, s, 2);
break;
}
#undef FP_HELPER_CC
#undef FP_HELPER
}
static void disas_b9(CPUS390XState *env, DisasContext *s, int op, int r1,
int r2)
{
TCGv_i64 tmp, tmp2, tmp3;
TCGv_i32 tmp32_1, tmp32_2, tmp32_3;
LOG_DISAS("disas_b9: op 0x%x r1 %d r2 %d\n", op, r1, r2);
switch (op) {
case 0x0: /* LPGR R1,R2 [RRE] */
case 0x1: /* LNGR R1,R2 [RRE] */
case 0x2: /* LTGR R1,R2 [RRE] */
case 0x3: /* LCGR R1,R2 [RRE] */
case 0x10: /* LPGFR R1,R2 [RRE] */
case 0x11: /* LNFGR R1,R2 [RRE] */
case 0x12: /* LTGFR R1,R2 [RRE] */
case 0x13: /* LCGFR R1,R2 [RRE] */
if (op & 0x10) {
tmp = load_reg32_i64(r2);
} else {
tmp = load_reg(r2);
}
switch (op & 0xf) {
case 0x0: /* LP?GR */
set_cc_abs64(s, tmp);
gen_helper_abs_i64(tmp, tmp);
store_reg(r1, tmp);
break;
case 0x1: /* LN?GR */
set_cc_nabs64(s, tmp);
gen_helper_nabs_i64(tmp, tmp);
store_reg(r1, tmp);
break;
case 0x2: /* LT?GR */
if (r1 != r2) {
store_reg(r1, tmp);
}
set_cc_s64(s, tmp);
break;
case 0x3: /* LC?GR */
tcg_gen_neg_i64(regs[r1], tmp);
set_cc_comp64(s, regs[r1]);
break;
}
tcg_temp_free_i64(tmp);
break;
case 0x4: /* LGR R1,R2 [RRE] */
store_reg(r1, regs[r2]);
break;
case 0x6: /* LGBR R1,R2 [RRE] */
tmp2 = load_reg(r2);
tcg_gen_ext8s_i64(tmp2, tmp2);
store_reg(r1, tmp2);
tcg_temp_free_i64(tmp2);
break;
case 0x8: /* AGR R1,R2 [RRE] */
case 0xa: /* ALGR R1,R2 [RRE] */
tmp = load_reg(r1);
tmp2 = load_reg(r2);
tmp3 = tcg_temp_new_i64();
tcg_gen_add_i64(tmp3, tmp, tmp2);
store_reg(r1, tmp3);
switch (op) {
case 0x8:
set_cc_add64(s, tmp, tmp2, tmp3);
break;
case 0xa:
set_cc_addu64(s, tmp, tmp2, tmp3);
break;
default:
tcg_abort();
}
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i64(tmp3);
break;
case 0x9: /* SGR R1,R2 [RRE] */
case 0xb: /* SLGR R1,R2 [RRE] */
case 0x1b: /* SLGFR R1,R2 [RRE] */
case 0x19: /* SGFR R1,R2 [RRE] */
tmp = load_reg(r1);
switch (op) {
case 0x1b:
tmp32_1 = load_reg32(r2);
tmp2 = tcg_temp_new_i64();
tcg_gen_extu_i32_i64(tmp2, tmp32_1);
tcg_temp_free_i32(tmp32_1);
break;
case 0x19:
tmp32_1 = load_reg32(r2);
tmp2 = tcg_temp_new_i64();
tcg_gen_ext_i32_i64(tmp2, tmp32_1);
tcg_temp_free_i32(tmp32_1);
break;
default:
tmp2 = load_reg(r2);
break;
}
tmp3 = tcg_temp_new_i64();
tcg_gen_sub_i64(tmp3, tmp, tmp2);
store_reg(r1, tmp3);
switch (op) {
case 0x9:
case 0x19:
set_cc_sub64(s, tmp, tmp2, tmp3);
break;
case 0xb:
case 0x1b:
set_cc_subu64(s, tmp, tmp2, tmp3);
break;
default:
tcg_abort();
}
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i64(tmp3);
break;
case 0xc: /* MSGR R1,R2 [RRE] */
case 0x1c: /* MSGFR R1,R2 [RRE] */
tmp = load_reg(r1);
tmp2 = load_reg(r2);
if (op == 0x1c) {
tcg_gen_ext32s_i64(tmp2, tmp2);
}
tcg_gen_mul_i64(tmp, tmp, tmp2);
store_reg(r1, tmp);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
break;
case 0xd: /* DSGR R1,R2 [RRE] */
case 0x1d: /* DSGFR R1,R2 [RRE] */
tmp = load_reg(r1 + 1);
if (op == 0xd) {
tmp2 = load_reg(r2);
} else {
tmp32_1 = load_reg32(r2);
tmp2 = tcg_temp_new_i64();
tcg_gen_ext_i32_i64(tmp2, tmp32_1);
tcg_temp_free_i32(tmp32_1);
}
tmp3 = tcg_temp_new_i64();
tcg_gen_div_i64(tmp3, tmp, tmp2);
store_reg(r1 + 1, tmp3);
tcg_gen_rem_i64(tmp3, tmp, tmp2);
store_reg(r1, tmp3);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i64(tmp3);
break;
case 0x14: /* LGFR R1,R2 [RRE] */
tmp32_1 = load_reg32(r2);
tmp = tcg_temp_new_i64();
tcg_gen_ext_i32_i64(tmp, tmp32_1);
store_reg(r1, tmp);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i64(tmp);
break;
case 0x16: /* LLGFR R1,R2 [RRE] */
tmp32_1 = load_reg32(r2);
tmp = tcg_temp_new_i64();
tcg_gen_extu_i32_i64(tmp, tmp32_1);
store_reg(r1, tmp);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i64(tmp);
break;
case 0x17: /* LLGTR R1,R2 [RRE] */
tmp32_1 = load_reg32(r2);
tmp = tcg_temp_new_i64();
tcg_gen_andi_i32(tmp32_1, tmp32_1, 0x7fffffffUL);
tcg_gen_extu_i32_i64(tmp, tmp32_1);
store_reg(r1, tmp);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i64(tmp);
break;
case 0x18: /* AGFR R1,R2 [RRE] */
case 0x1a: /* ALGFR R1,R2 [RRE] */
tmp32_1 = load_reg32(r2);
tmp2 = tcg_temp_new_i64();
if (op == 0x18) {
tcg_gen_ext_i32_i64(tmp2, tmp32_1);
} else {
tcg_gen_extu_i32_i64(tmp2, tmp32_1);
}
tcg_temp_free_i32(tmp32_1);
tmp = load_reg(r1);
tmp3 = tcg_temp_new_i64();
tcg_gen_add_i64(tmp3, tmp, tmp2);
store_reg(r1, tmp3);
if (op == 0x18) {
set_cc_add64(s, tmp, tmp2, tmp3);
} else {
set_cc_addu64(s, tmp, tmp2, tmp3);
}
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i64(tmp3);
break;
case 0x0f: /* LRVGR R1,R2 [RRE] */
tcg_gen_bswap64_i64(regs[r1], regs[r2]);
break;
case 0x1f: /* LRVR R1,R2 [RRE] */
tmp32_1 = load_reg32(r2);
tcg_gen_bswap32_i32(tmp32_1, tmp32_1);
store_reg32(r1, tmp32_1);
tcg_temp_free_i32(tmp32_1);
break;
case 0x20: /* CGR R1,R2 [RRE] */
case 0x30: /* CGFR R1,R2 [RRE] */
tmp2 = load_reg(r2);
if (op == 0x30) {
tcg_gen_ext32s_i64(tmp2, tmp2);
}
tmp = load_reg(r1);
cmp_s64(s, tmp, tmp2);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
break;
case 0x21: /* CLGR R1,R2 [RRE] */
case 0x31: /* CLGFR R1,R2 [RRE] */
tmp2 = load_reg(r2);
if (op == 0x31) {
tcg_gen_ext32u_i64(tmp2, tmp2);
}
tmp = load_reg(r1);
cmp_u64(s, tmp, tmp2);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
break;
case 0x26: /* LBR R1,R2 [RRE] */
tmp32_1 = load_reg32(r2);
tcg_gen_ext8s_i32(tmp32_1, tmp32_1);
store_reg32(r1, tmp32_1);
tcg_temp_free_i32(tmp32_1);
break;
case 0x27: /* LHR R1,R2 [RRE] */
tmp32_1 = load_reg32(r2);
tcg_gen_ext16s_i32(tmp32_1, tmp32_1);
store_reg32(r1, tmp32_1);
tcg_temp_free_i32(tmp32_1);
break;
case 0x80: /* NGR R1,R2 [RRE] */
case 0x81: /* OGR R1,R2 [RRE] */
case 0x82: /* XGR R1,R2 [RRE] */
tmp = load_reg(r1);
tmp2 = load_reg(r2);
switch (op) {
case 0x80:
tcg_gen_and_i64(tmp, tmp, tmp2);
break;
case 0x81:
tcg_gen_or_i64(tmp, tmp, tmp2);
break;
case 0x82:
tcg_gen_xor_i64(tmp, tmp, tmp2);
break;
default:
tcg_abort();
}
store_reg(r1, tmp);
set_cc_nz_u64(s, tmp);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
break;
case 0x83: /* FLOGR R1,R2 [RRE] */
tmp = load_reg(r2);
tmp32_1 = tcg_const_i32(r1);
gen_helper_flogr(cc_op, cpu_env, tmp32_1, tmp);
set_cc_static(s);
tcg_temp_free_i64(tmp);
tcg_temp_free_i32(tmp32_1);
break;
case 0x84: /* LLGCR R1,R2 [RRE] */
tmp = load_reg(r2);
tcg_gen_andi_i64(tmp, tmp, 0xff);
store_reg(r1, tmp);
tcg_temp_free_i64(tmp);
break;
case 0x85: /* LLGHR R1,R2 [RRE] */
tmp = load_reg(r2);
tcg_gen_andi_i64(tmp, tmp, 0xffff);
store_reg(r1, tmp);
tcg_temp_free_i64(tmp);
break;
case 0x87: /* DLGR R1,R2 [RRE] */
tmp32_1 = tcg_const_i32(r1);
tmp = load_reg(r2);
gen_helper_dlg(cpu_env, tmp32_1, tmp);
tcg_temp_free_i64(tmp);
tcg_temp_free_i32(tmp32_1);
break;
case 0x88: /* ALCGR R1,R2 [RRE] */
tmp = load_reg(r1);
tmp2 = load_reg(r2);
tmp3 = tcg_temp_new_i64();
gen_op_calc_cc(s);
tcg_gen_extu_i32_i64(tmp3, cc_op);
tcg_gen_shri_i64(tmp3, tmp3, 1);
tcg_gen_andi_i64(tmp3, tmp3, 1);
tcg_gen_add_i64(tmp3, tmp2, tmp3);
tcg_gen_add_i64(tmp3, tmp, tmp3);
store_reg(r1, tmp3);
set_cc_addu64(s, tmp, tmp2, tmp3);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i64(tmp3);
break;
case 0x89: /* SLBGR R1,R2 [RRE] */
tmp = load_reg(r1);
tmp2 = load_reg(r2);
tmp32_1 = tcg_const_i32(r1);
gen_op_calc_cc(s);
gen_helper_slbg(cc_op, cpu_env, cc_op, tmp32_1, tmp, tmp2);
set_cc_static(s);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i32(tmp32_1);
break;
case 0x94: /* LLCR R1,R2 [RRE] */
tmp32_1 = load_reg32(r2);
tcg_gen_andi_i32(tmp32_1, tmp32_1, 0xff);
store_reg32(r1, tmp32_1);
tcg_temp_free_i32(tmp32_1);
break;
case 0x95: /* LLHR R1,R2 [RRE] */
tmp32_1 = load_reg32(r2);
tcg_gen_andi_i32(tmp32_1, tmp32_1, 0xffff);
store_reg32(r1, tmp32_1);
tcg_temp_free_i32(tmp32_1);
break;
case 0x96: /* MLR R1,R2 [RRE] */
/* reg(r1, r1+1) = reg(r1+1) * reg(r2) */
tmp2 = load_reg(r2);
tmp3 = load_reg((r1 + 1) & 15);
tcg_gen_ext32u_i64(tmp2, tmp2);
tcg_gen_ext32u_i64(tmp3, tmp3);
tcg_gen_mul_i64(tmp2, tmp2, tmp3);
store_reg32_i64((r1 + 1) & 15, tmp2);
tcg_gen_shri_i64(tmp2, tmp2, 32);
store_reg32_i64(r1, tmp2);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i64(tmp3);
break;
case 0x97: /* DLR R1,R2 [RRE] */
/* reg(r1) = reg(r1, r1+1) % reg(r2) */
/* reg(r1+1) = reg(r1, r1+1) / reg(r2) */
tmp = load_reg(r1);
tmp2 = load_reg(r2);
tmp3 = load_reg((r1 + 1) & 15);
tcg_gen_ext32u_i64(tmp2, tmp2);
tcg_gen_ext32u_i64(tmp3, tmp3);
tcg_gen_shli_i64(tmp, tmp, 32);
tcg_gen_or_i64(tmp, tmp, tmp3);
tcg_gen_rem_i64(tmp3, tmp, tmp2);
tcg_gen_div_i64(tmp, tmp, tmp2);
store_reg32_i64((r1 + 1) & 15, tmp);
store_reg32_i64(r1, tmp3);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i64(tmp3);
break;
case 0x98: /* ALCR R1,R2 [RRE] */
tmp32_1 = load_reg32(r1);
tmp32_2 = load_reg32(r2);
tmp32_3 = tcg_temp_new_i32();
/* XXX possible optimization point */
gen_op_calc_cc(s);
gen_helper_addc_u32(tmp32_3, cc_op, tmp32_1, tmp32_2);
set_cc_addu32(s, tmp32_1, tmp32_2, tmp32_3);
store_reg32(r1, tmp32_3);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
tcg_temp_free_i32(tmp32_3);
break;
case 0x99: /* SLBR R1,R2 [RRE] */
tmp32_1 = load_reg32(r2);
tmp32_2 = tcg_const_i32(r1);
gen_op_calc_cc(s);
gen_helper_slb(cc_op, cpu_env, cc_op, tmp32_2, tmp32_1);
set_cc_static(s);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
default:
LOG_DISAS("illegal b9 operation 0x%x\n", op);
gen_illegal_opcode(env, s, 2);
break;
}
}
static void disas_c0(CPUS390XState *env, DisasContext *s, int op, int r1, int i2)
{
TCGv_i64 tmp;
TCGv_i32 tmp32_1, tmp32_2;
uint64_t target = s->pc + i2 * 2LL;
int l1;
LOG_DISAS("disas_c0: op 0x%x r1 %d i2 %d\n", op, r1, i2);
switch (op) {
case 0: /* larl r1, i2 */
tmp = tcg_const_i64(target);
store_reg(r1, tmp);
tcg_temp_free_i64(tmp);
break;
case 0x1: /* LGFI R1,I2 [RIL] */
tmp = tcg_const_i64((int64_t)i2);
store_reg(r1, tmp);
tcg_temp_free_i64(tmp);
break;
case 0x4: /* BRCL M1,I2 [RIL] */
/* m1 & (1 << (3 - cc)) */
tmp32_1 = tcg_const_i32(3);
tmp32_2 = tcg_const_i32(1);
gen_op_calc_cc(s);
tcg_gen_sub_i32(tmp32_1, tmp32_1, cc_op);
tcg_gen_shl_i32(tmp32_2, tmp32_2, tmp32_1);
tcg_temp_free_i32(tmp32_1);
tmp32_1 = tcg_const_i32(r1); /* m1 == r1 */
tcg_gen_and_i32(tmp32_1, tmp32_1, tmp32_2);
l1 = gen_new_label();
tcg_gen_brcondi_i32(TCG_COND_EQ, tmp32_1, 0, l1);
gen_goto_tb(s, 0, target);
gen_set_label(l1);
gen_goto_tb(s, 1, s->pc + 6);
s->is_jmp = DISAS_TB_JUMP;
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
case 0x5: /* brasl r1, i2 */
tmp = tcg_const_i64(pc_to_link_info(s, s->pc + 6));
store_reg(r1, tmp);
tcg_temp_free_i64(tmp);
gen_goto_tb(s, 0, target);
s->is_jmp = DISAS_TB_JUMP;
break;
case 0x7: /* XILF R1,I2 [RIL] */
case 0xb: /* NILF R1,I2 [RIL] */
case 0xd: /* OILF R1,I2 [RIL] */
tmp32_1 = load_reg32(r1);
switch (op) {
case 0x7:
tcg_gen_xori_i32(tmp32_1, tmp32_1, (uint32_t)i2);
break;
case 0xb:
tcg_gen_andi_i32(tmp32_1, tmp32_1, (uint32_t)i2);
break;
case 0xd:
tcg_gen_ori_i32(tmp32_1, tmp32_1, (uint32_t)i2);
break;
default:
tcg_abort();
}
store_reg32(r1, tmp32_1);
set_cc_nz_u32(s, tmp32_1);
tcg_temp_free_i32(tmp32_1);
break;
case 0x9: /* IILF R1,I2 [RIL] */
tmp32_1 = tcg_const_i32((uint32_t)i2);
store_reg32(r1, tmp32_1);
tcg_temp_free_i32(tmp32_1);
break;
case 0xa: /* NIHF R1,I2 [RIL] */
tmp = load_reg(r1);
tmp32_1 = tcg_temp_new_i32();
tcg_gen_andi_i64(tmp, tmp, (((uint64_t)((uint32_t)i2)) << 32)
| 0xffffffffULL);
store_reg(r1, tmp);
tcg_gen_shri_i64(tmp, tmp, 32);
tcg_gen_trunc_i64_i32(tmp32_1, tmp);
set_cc_nz_u32(s, tmp32_1);
tcg_temp_free_i64(tmp);
tcg_temp_free_i32(tmp32_1);
break;
case 0xe: /* LLIHF R1,I2 [RIL] */
tmp = tcg_const_i64(((uint64_t)(uint32_t)i2) << 32);
store_reg(r1, tmp);
tcg_temp_free_i64(tmp);
break;
case 0xf: /* LLILF R1,I2 [RIL] */
tmp = tcg_const_i64((uint32_t)i2);
store_reg(r1, tmp);
tcg_temp_free_i64(tmp);
break;
default:
LOG_DISAS("illegal c0 operation 0x%x\n", op);
gen_illegal_opcode(env, s, 3);
break;
}
}
static void disas_c2(CPUS390XState *env, DisasContext *s, int op, int r1,
int i2)
{
TCGv_i64 tmp, tmp2, tmp3;
TCGv_i32 tmp32_1, tmp32_2, tmp32_3;
switch (op) {
case 0x4: /* SLGFI R1,I2 [RIL] */
case 0xa: /* ALGFI R1,I2 [RIL] */
tmp = load_reg(r1);
tmp2 = tcg_const_i64((uint64_t)(uint32_t)i2);
tmp3 = tcg_temp_new_i64();
switch (op) {
case 0x4:
tcg_gen_sub_i64(tmp3, tmp, tmp2);
set_cc_subu64(s, tmp, tmp2, tmp3);
break;
case 0xa:
tcg_gen_add_i64(tmp3, tmp, tmp2);
set_cc_addu64(s, tmp, tmp2, tmp3);
break;
default:
tcg_abort();
}
store_reg(r1, tmp3);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i64(tmp3);
break;
case 0x5: /* SLFI R1,I2 [RIL] */
case 0xb: /* ALFI R1,I2 [RIL] */
tmp32_1 = load_reg32(r1);
tmp32_2 = tcg_const_i32(i2);
tmp32_3 = tcg_temp_new_i32();
switch (op) {
case 0x5:
tcg_gen_sub_i32(tmp32_3, tmp32_1, tmp32_2);
set_cc_subu32(s, tmp32_1, tmp32_2, tmp32_3);
break;
case 0xb:
tcg_gen_add_i32(tmp32_3, tmp32_1, tmp32_2);
set_cc_addu32(s, tmp32_1, tmp32_2, tmp32_3);
break;
default:
tcg_abort();
}
store_reg32(r1, tmp32_3);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
tcg_temp_free_i32(tmp32_3);
break;
case 0xc: /* CGFI R1,I2 [RIL] */
tmp = load_reg(r1);
cmp_s64c(s, tmp, (int64_t)i2);
tcg_temp_free_i64(tmp);
break;
case 0xe: /* CLGFI R1,I2 [RIL] */
tmp = load_reg(r1);
cmp_u64c(s, tmp, (uint64_t)(uint32_t)i2);
tcg_temp_free_i64(tmp);
break;
case 0xd: /* CFI R1,I2 [RIL] */
tmp32_1 = load_reg32(r1);
cmp_s32c(s, tmp32_1, i2);
tcg_temp_free_i32(tmp32_1);
break;
case 0xf: /* CLFI R1,I2 [RIL] */
tmp32_1 = load_reg32(r1);
cmp_u32c(s, tmp32_1, i2);
tcg_temp_free_i32(tmp32_1);
break;
default:
LOG_DISAS("illegal c2 operation 0x%x\n", op);
gen_illegal_opcode(env, s, 3);
break;
}
}
static void gen_and_or_xor_i32(int opc, TCGv_i32 tmp, TCGv_i32 tmp2)
{
switch (opc & 0xf) {
case 0x4:
tcg_gen_and_i32(tmp, tmp, tmp2);
break;
case 0x6:
tcg_gen_or_i32(tmp, tmp, tmp2);
break;
case 0x7:
tcg_gen_xor_i32(tmp, tmp, tmp2);
break;
default:
tcg_abort();
}
}
static void disas_s390_insn(CPUS390XState *env, DisasContext *s)
{
TCGv_i64 tmp, tmp2, tmp3, tmp4;
TCGv_i32 tmp32_1, tmp32_2, tmp32_3, tmp32_4;
unsigned char opc;
uint64_t insn;
int op, r1, r2, r3, d1, d2, x2, b1, b2, i, i2, r1b;
TCGv_i32 vl;
int ilc;
int l1;
opc = cpu_ldub_code(env, s->pc);
LOG_DISAS("opc 0x%x\n", opc);
ilc = get_ilc(opc);
switch (opc) {
#ifndef CONFIG_USER_ONLY
case 0x01: /* SAM */
insn = ld_code2(env, s->pc);
/* set addressing mode, but we only do 64bit anyways */
break;
#endif
case 0x6: /* BCTR R1,R2 [RR] */
insn = ld_code2(env, s->pc);
decode_rr(s, insn, &r1, &r2);
tmp32_1 = load_reg32(r1);
tcg_gen_subi_i32(tmp32_1, tmp32_1, 1);
store_reg32(r1, tmp32_1);
if (r2) {
gen_update_cc_op(s);
l1 = gen_new_label();
tcg_gen_brcondi_i32(TCG_COND_NE, tmp32_1, 0, l1);
/* not taking the branch, jump to after the instruction */
gen_goto_tb(s, 0, s->pc + 2);
gen_set_label(l1);
/* take the branch, move R2 into psw.addr */
tmp32_1 = load_reg32(r2);
tmp = tcg_temp_new_i64();
tcg_gen_extu_i32_i64(tmp, tmp32_1);
tcg_gen_mov_i64(psw_addr, tmp);
s->is_jmp = DISAS_JUMP;
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i64(tmp);
}
break;
case 0x7: /* BCR M1,R2 [RR] */
insn = ld_code2(env, s->pc);
decode_rr(s, insn, &r1, &r2);
if (r2) {
tmp = load_reg(r2);
gen_bcr(s, r1, tmp, s->pc);
tcg_temp_free_i64(tmp);
s->is_jmp = DISAS_TB_JUMP;
} else {
/* XXX: "serialization and checkpoint-synchronization function"? */
}
break;
case 0xa: /* SVC I [RR] */
insn = ld_code2(env, s->pc);
debug_insn(insn);
i = insn & 0xff;
update_psw_addr(s);
gen_op_calc_cc(s);
tmp32_1 = tcg_const_i32(i);
tmp32_2 = tcg_const_i32(ilc * 2);
tmp32_3 = tcg_const_i32(EXCP_SVC);
tcg_gen_st_i32(tmp32_1, cpu_env, offsetof(CPUS390XState, int_svc_code));
tcg_gen_st_i32(tmp32_2, cpu_env, offsetof(CPUS390XState, int_svc_ilc));
gen_helper_exception(cpu_env, tmp32_3);
s->is_jmp = DISAS_EXCP;
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
tcg_temp_free_i32(tmp32_3);
break;
case 0xd: /* BASR R1,R2 [RR] */
insn = ld_code2(env, s->pc);
decode_rr(s, insn, &r1, &r2);
tmp = tcg_const_i64(pc_to_link_info(s, s->pc + 2));
store_reg(r1, tmp);
if (r2) {
tmp2 = load_reg(r2);
tcg_gen_mov_i64(psw_addr, tmp2);
tcg_temp_free_i64(tmp2);
s->is_jmp = DISAS_JUMP;
}
tcg_temp_free_i64(tmp);
break;
case 0xe: /* MVCL R1,R2 [RR] */
insn = ld_code2(env, s->pc);
decode_rr(s, insn, &r1, &r2);
tmp32_1 = tcg_const_i32(r1);
tmp32_2 = tcg_const_i32(r2);
potential_page_fault(s);
gen_helper_mvcl(cc_op, cpu_env, tmp32_1, tmp32_2);
set_cc_static(s);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
case 0x10: /* LPR R1,R2 [RR] */
insn = ld_code2(env, s->pc);
decode_rr(s, insn, &r1, &r2);
tmp32_1 = load_reg32(r2);
set_cc_abs32(s, tmp32_1);
gen_helper_abs_i32(tmp32_1, tmp32_1);
store_reg32(r1, tmp32_1);
tcg_temp_free_i32(tmp32_1);
break;
case 0x11: /* LNR R1,R2 [RR] */
insn = ld_code2(env, s->pc);
decode_rr(s, insn, &r1, &r2);
tmp32_1 = load_reg32(r2);
set_cc_nabs32(s, tmp32_1);
gen_helper_nabs_i32(tmp32_1, tmp32_1);
store_reg32(r1, tmp32_1);
tcg_temp_free_i32(tmp32_1);
break;
case 0x12: /* LTR R1,R2 [RR] */
insn = ld_code2(env, s->pc);
decode_rr(s, insn, &r1, &r2);
tmp32_1 = load_reg32(r2);
if (r1 != r2) {
store_reg32(r1, tmp32_1);
}
set_cc_s32(s, tmp32_1);
tcg_temp_free_i32(tmp32_1);
break;
case 0x13: /* LCR R1,R2 [RR] */
insn = ld_code2(env, s->pc);
decode_rr(s, insn, &r1, &r2);
tmp32_1 = load_reg32(r2);
tcg_gen_neg_i32(tmp32_1, tmp32_1);
store_reg32(r1, tmp32_1);
set_cc_comp32(s, tmp32_1);
tcg_temp_free_i32(tmp32_1);
break;
case 0x14: /* NR R1,R2 [RR] */
case 0x16: /* OR R1,R2 [RR] */
case 0x17: /* XR R1,R2 [RR] */
insn = ld_code2(env, s->pc);
decode_rr(s, insn, &r1, &r2);
tmp32_2 = load_reg32(r2);
tmp32_1 = load_reg32(r1);
gen_and_or_xor_i32(opc, tmp32_1, tmp32_2);
store_reg32(r1, tmp32_1);
set_cc_nz_u32(s, tmp32_1);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
case 0x18: /* LR R1,R2 [RR] */
insn = ld_code2(env, s->pc);
decode_rr(s, insn, &r1, &r2);
tmp32_1 = load_reg32(r2);
store_reg32(r1, tmp32_1);
tcg_temp_free_i32(tmp32_1);
break;
case 0x15: /* CLR R1,R2 [RR] */
case 0x19: /* CR R1,R2 [RR] */
insn = ld_code2(env, s->pc);
decode_rr(s, insn, &r1, &r2);
tmp32_1 = load_reg32(r1);
tmp32_2 = load_reg32(r2);
if (opc == 0x15) {
cmp_u32(s, tmp32_1, tmp32_2);
} else {
cmp_s32(s, tmp32_1, tmp32_2);
}
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
case 0x1a: /* AR R1,R2 [RR] */
case 0x1e: /* ALR R1,R2 [RR] */
insn = ld_code2(env, s->pc);
decode_rr(s, insn, &r1, &r2);
tmp32_1 = load_reg32(r1);
tmp32_2 = load_reg32(r2);
tmp32_3 = tcg_temp_new_i32();
tcg_gen_add_i32(tmp32_3, tmp32_1, tmp32_2);
store_reg32(r1, tmp32_3);
if (opc == 0x1a) {
set_cc_add32(s, tmp32_1, tmp32_2, tmp32_3);
} else {
set_cc_addu32(s, tmp32_1, tmp32_2, tmp32_3);
}
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
tcg_temp_free_i32(tmp32_3);
break;
case 0x1b: /* SR R1,R2 [RR] */
case 0x1f: /* SLR R1,R2 [RR] */
insn = ld_code2(env, s->pc);
decode_rr(s, insn, &r1, &r2);
tmp32_1 = load_reg32(r1);
tmp32_2 = load_reg32(r2);
tmp32_3 = tcg_temp_new_i32();
tcg_gen_sub_i32(tmp32_3, tmp32_1, tmp32_2);
store_reg32(r1, tmp32_3);
if (opc == 0x1b) {
set_cc_sub32(s, tmp32_1, tmp32_2, tmp32_3);
} else {
set_cc_subu32(s, tmp32_1, tmp32_2, tmp32_3);
}
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
tcg_temp_free_i32(tmp32_3);
break;
case 0x1c: /* MR R1,R2 [RR] */
/* reg(r1, r1+1) = reg(r1+1) * reg(r2) */
insn = ld_code2(env, s->pc);
decode_rr(s, insn, &r1, &r2);
tmp2 = load_reg(r2);
tmp3 = load_reg((r1 + 1) & 15);
tcg_gen_ext32s_i64(tmp2, tmp2);
tcg_gen_ext32s_i64(tmp3, tmp3);
tcg_gen_mul_i64(tmp2, tmp2, tmp3);
store_reg32_i64((r1 + 1) & 15, tmp2);
tcg_gen_shri_i64(tmp2, tmp2, 32);
store_reg32_i64(r1, tmp2);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i64(tmp3);
break;
case 0x1d: /* DR R1,R2 [RR] */
insn = ld_code2(env, s->pc);
decode_rr(s, insn, &r1, &r2);
tmp32_1 = load_reg32(r1);
tmp32_2 = load_reg32(r1 + 1);
tmp32_3 = load_reg32(r2);
tmp = tcg_temp_new_i64(); /* dividend */
tmp2 = tcg_temp_new_i64(); /* divisor */
tmp3 = tcg_temp_new_i64();
/* dividend is r(r1 << 32) | r(r1 + 1) */
tcg_gen_extu_i32_i64(tmp, tmp32_1);
tcg_gen_extu_i32_i64(tmp2, tmp32_2);
tcg_gen_shli_i64(tmp, tmp, 32);
tcg_gen_or_i64(tmp, tmp, tmp2);
/* divisor is r(r2) */
tcg_gen_ext_i32_i64(tmp2, tmp32_3);
tcg_gen_div_i64(tmp3, tmp, tmp2);
tcg_gen_rem_i64(tmp, tmp, tmp2);
tcg_gen_trunc_i64_i32(tmp32_1, tmp);
tcg_gen_trunc_i64_i32(tmp32_2, tmp3);
store_reg32(r1, tmp32_1); /* remainder */
store_reg32(r1 + 1, tmp32_2); /* quotient */
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
tcg_temp_free_i32(tmp32_3);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i64(tmp3);
break;
case 0x28: /* LDR R1,R2 [RR] */
insn = ld_code2(env, s->pc);
decode_rr(s, insn, &r1, &r2);
tmp = load_freg(r2);
store_freg(r1, tmp);
tcg_temp_free_i64(tmp);
break;
case 0x38: /* LER R1,R2 [RR] */
insn = ld_code2(env, s->pc);
decode_rr(s, insn, &r1, &r2);
tmp32_1 = load_freg32(r2);
store_freg32(r1, tmp32_1);
tcg_temp_free_i32(tmp32_1);
break;
case 0x40: /* STH R1,D2(X2,B2) [RX] */
insn = ld_code4(env, s->pc);
tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
tmp2 = load_reg(r1);
tcg_gen_qemu_st16(tmp2, tmp, get_mem_index(s));
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
break;
case 0x41: /* la */
insn = ld_code4(env, s->pc);
tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
store_reg(r1, tmp); /* FIXME: 31/24-bit addressing */
tcg_temp_free_i64(tmp);
break;
case 0x42: /* STC R1,D2(X2,B2) [RX] */
insn = ld_code4(env, s->pc);
tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
tmp2 = load_reg(r1);
tcg_gen_qemu_st8(tmp2, tmp, get_mem_index(s));
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
break;
case 0x43: /* IC R1,D2(X2,B2) [RX] */
insn = ld_code4(env, s->pc);
tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
tmp2 = tcg_temp_new_i64();
tcg_gen_qemu_ld8u(tmp2, tmp, get_mem_index(s));
store_reg8(r1, tmp2);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
break;
case 0x44: /* EX R1,D2(X2,B2) [RX] */
insn = ld_code4(env, s->pc);
tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
tmp2 = load_reg(r1);
tmp3 = tcg_const_i64(s->pc + 4);
update_psw_addr(s);
gen_op_calc_cc(s);
gen_helper_ex(cc_op, cpu_env, cc_op, tmp2, tmp, tmp3);
set_cc_static(s);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i64(tmp3);
break;
case 0x46: /* BCT R1,D2(X2,B2) [RX] */
insn = ld_code4(env, s->pc);
tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
tcg_temp_free_i64(tmp);
tmp32_1 = load_reg32(r1);
tcg_gen_subi_i32(tmp32_1, tmp32_1, 1);
store_reg32(r1, tmp32_1);
gen_update_cc_op(s);
l1 = gen_new_label();
tcg_gen_brcondi_i32(TCG_COND_NE, tmp32_1, 0, l1);
/* not taking the branch, jump to after the instruction */
gen_goto_tb(s, 0, s->pc + 4);
gen_set_label(l1);
/* take the branch, move R2 into psw.addr */
tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
tcg_gen_mov_i64(psw_addr, tmp);
s->is_jmp = DISAS_JUMP;
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i64(tmp);
break;
case 0x47: /* BC M1,D2(X2,B2) [RX] */
insn = ld_code4(env, s->pc);
tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
gen_bcr(s, r1, tmp, s->pc + 4);
tcg_temp_free_i64(tmp);
s->is_jmp = DISAS_TB_JUMP;
break;
case 0x48: /* LH R1,D2(X2,B2) [RX] */
insn = ld_code4(env, s->pc);
tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
tmp2 = tcg_temp_new_i64();
tcg_gen_qemu_ld16s(tmp2, tmp, get_mem_index(s));
store_reg32_i64(r1, tmp2);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
break;
case 0x49: /* CH R1,D2(X2,B2) [RX] */
insn = ld_code4(env, s->pc);
tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
tmp32_1 = load_reg32(r1);
tmp32_2 = tcg_temp_new_i32();
tmp2 = tcg_temp_new_i64();
tcg_gen_qemu_ld16s(tmp2, tmp, get_mem_index(s));
tcg_gen_trunc_i64_i32(tmp32_2, tmp2);
cmp_s32(s, tmp32_1, tmp32_2);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
break;
case 0x4a: /* AH R1,D2(X2,B2) [RX] */
case 0x4b: /* SH R1,D2(X2,B2) [RX] */
case 0x4c: /* MH R1,D2(X2,B2) [RX] */
insn = ld_code4(env, s->pc);
tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
tmp2 = tcg_temp_new_i64();
tmp32_1 = load_reg32(r1);
tmp32_2 = tcg_temp_new_i32();
tmp32_3 = tcg_temp_new_i32();
tcg_gen_qemu_ld16s(tmp2, tmp, get_mem_index(s));
tcg_gen_trunc_i64_i32(tmp32_2, tmp2);
switch (opc) {
case 0x4a:
tcg_gen_add_i32(tmp32_3, tmp32_1, tmp32_2);
set_cc_add32(s, tmp32_1, tmp32_2, tmp32_3);
break;
case 0x4b:
tcg_gen_sub_i32(tmp32_3, tmp32_1, tmp32_2);
set_cc_sub32(s, tmp32_1, tmp32_2, tmp32_3);
break;
case 0x4c:
tcg_gen_mul_i32(tmp32_3, tmp32_1, tmp32_2);
break;
default:
tcg_abort();
}
store_reg32(r1, tmp32_3);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
tcg_temp_free_i32(tmp32_3);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
break;
case 0x4d: /* BAS R1,D2(X2,B2) [RX] */
insn = ld_code4(env, s->pc);
tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
tmp2 = tcg_const_i64(pc_to_link_info(s, s->pc + 4));
store_reg(r1, tmp2);
tcg_gen_mov_i64(psw_addr, tmp);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
s->is_jmp = DISAS_JUMP;
break;
case 0x4e: /* CVD R1,D2(X2,B2) [RX] */
insn = ld_code4(env, s->pc);
tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
tmp2 = tcg_temp_new_i64();
tmp32_1 = tcg_temp_new_i32();
tcg_gen_trunc_i64_i32(tmp32_1, regs[r1]);
gen_helper_cvd(tmp2, tmp32_1);
tcg_gen_qemu_st64(tmp2, tmp, get_mem_index(s));
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i32(tmp32_1);
break;
case 0x50: /* st r1, d2(x2, b2) */
insn = ld_code4(env, s->pc);
tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
tmp2 = load_reg(r1);
tcg_gen_qemu_st32(tmp2, tmp, get_mem_index(s));
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
break;
case 0x55: /* CL R1,D2(X2,B2) [RX] */
insn = ld_code4(env, s->pc);
tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
tmp2 = tcg_temp_new_i64();
tmp32_1 = tcg_temp_new_i32();
tmp32_2 = load_reg32(r1);
tcg_gen_qemu_ld32u(tmp2, tmp, get_mem_index(s));
tcg_gen_trunc_i64_i32(tmp32_1, tmp2);
cmp_u32(s, tmp32_2, tmp32_1);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
case 0x54: /* N R1,D2(X2,B2) [RX] */
case 0x56: /* O R1,D2(X2,B2) [RX] */
case 0x57: /* X R1,D2(X2,B2) [RX] */
insn = ld_code4(env, s->pc);
tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
tmp2 = tcg_temp_new_i64();
tmp32_1 = load_reg32(r1);
tmp32_2 = tcg_temp_new_i32();
tcg_gen_qemu_ld32u(tmp2, tmp, get_mem_index(s));
tcg_gen_trunc_i64_i32(tmp32_2, tmp2);
gen_and_or_xor_i32(opc, tmp32_1, tmp32_2);
store_reg32(r1, tmp32_1);
set_cc_nz_u32(s, tmp32_1);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
case 0x58: /* l r1, d2(x2, b2) */
insn = ld_code4(env, s->pc);
tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
tmp2 = tcg_temp_new_i64();
tmp32_1 = tcg_temp_new_i32();
tcg_gen_qemu_ld32u(tmp2, tmp, get_mem_index(s));
tcg_gen_trunc_i64_i32(tmp32_1, tmp2);
store_reg32(r1, tmp32_1);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i32(tmp32_1);
break;
case 0x59: /* C R1,D2(X2,B2) [RX] */
insn = ld_code4(env, s->pc);
tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
tmp2 = tcg_temp_new_i64();
tmp32_1 = tcg_temp_new_i32();
tmp32_2 = load_reg32(r1);
tcg_gen_qemu_ld32s(tmp2, tmp, get_mem_index(s));
tcg_gen_trunc_i64_i32(tmp32_1, tmp2);
cmp_s32(s, tmp32_2, tmp32_1);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
case 0x5a: /* A R1,D2(X2,B2) [RX] */
case 0x5b: /* S R1,D2(X2,B2) [RX] */
case 0x5e: /* AL R1,D2(X2,B2) [RX] */
case 0x5f: /* SL R1,D2(X2,B2) [RX] */
insn = ld_code4(env, s->pc);
tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
tmp32_1 = load_reg32(r1);
tmp32_2 = tcg_temp_new_i32();
tmp32_3 = tcg_temp_new_i32();
tcg_gen_qemu_ld32s(tmp, tmp, get_mem_index(s));
tcg_gen_trunc_i64_i32(tmp32_2, tmp);
switch (opc) {
case 0x5a:
case 0x5e:
tcg_gen_add_i32(tmp32_3, tmp32_1, tmp32_2);
break;
case 0x5b:
case 0x5f:
tcg_gen_sub_i32(tmp32_3, tmp32_1, tmp32_2);
break;
default:
tcg_abort();
}
store_reg32(r1, tmp32_3);
switch (opc) {
case 0x5a:
set_cc_add32(s, tmp32_1, tmp32_2, tmp32_3);
break;
case 0x5e:
set_cc_addu32(s, tmp32_1, tmp32_2, tmp32_3);
break;
case 0x5b:
set_cc_sub32(s, tmp32_1, tmp32_2, tmp32_3);
break;
case 0x5f:
set_cc_subu32(s, tmp32_1, tmp32_2, tmp32_3);
break;
default:
tcg_abort();
}
tcg_temp_free_i64(tmp);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
tcg_temp_free_i32(tmp32_3);
break;
case 0x5c: /* M R1,D2(X2,B2) [RX] */
/* reg(r1, r1+1) = reg(r1+1) * *(s32*)addr */
insn = ld_code4(env, s->pc);
tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
tmp2 = tcg_temp_new_i64();
tcg_gen_qemu_ld32s(tmp2, tmp, get_mem_index(s));
tmp3 = load_reg((r1 + 1) & 15);
tcg_gen_ext32s_i64(tmp2, tmp2);
tcg_gen_ext32s_i64(tmp3, tmp3);
tcg_gen_mul_i64(tmp2, tmp2, tmp3);
store_reg32_i64((r1 + 1) & 15, tmp2);
tcg_gen_shri_i64(tmp2, tmp2, 32);
store_reg32_i64(r1, tmp2);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i64(tmp3);
break;
case 0x5d: /* D R1,D2(X2,B2) [RX] */
insn = ld_code4(env, s->pc);
tmp3 = decode_rx(s, insn, &r1, &x2, &b2, &d2);
tmp32_1 = load_reg32(r1);
tmp32_2 = load_reg32(r1 + 1);
tmp = tcg_temp_new_i64();
tmp2 = tcg_temp_new_i64();
/* dividend is r(r1 << 32) | r(r1 + 1) */
tcg_gen_extu_i32_i64(tmp, tmp32_1);
tcg_gen_extu_i32_i64(tmp2, tmp32_2);
tcg_gen_shli_i64(tmp, tmp, 32);
tcg_gen_or_i64(tmp, tmp, tmp2);
/* divisor is in memory */
tcg_gen_qemu_ld32s(tmp2, tmp3, get_mem_index(s));
/* XXX divisor == 0 -> FixP divide exception */
tcg_gen_div_i64(tmp3, tmp, tmp2);
tcg_gen_rem_i64(tmp, tmp, tmp2);
tcg_gen_trunc_i64_i32(tmp32_1, tmp);
tcg_gen_trunc_i64_i32(tmp32_2, tmp3);
store_reg32(r1, tmp32_1); /* remainder */
store_reg32(r1 + 1, tmp32_2); /* quotient */
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i64(tmp3);
break;
case 0x60: /* STD R1,D2(X2,B2) [RX] */
insn = ld_code4(env, s->pc);
tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
tmp2 = load_freg(r1);
tcg_gen_qemu_st64(tmp2, tmp, get_mem_index(s));
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
break;
case 0x68: /* LD R1,D2(X2,B2) [RX] */
insn = ld_code4(env, s->pc);
tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
tmp2 = tcg_temp_new_i64();
tcg_gen_qemu_ld64(tmp2, tmp, get_mem_index(s));
store_freg(r1, tmp2);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
break;
case 0x70: /* STE R1,D2(X2,B2) [RX] */
insn = ld_code4(env, s->pc);
tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
tmp2 = tcg_temp_new_i64();
tmp32_1 = load_freg32(r1);
tcg_gen_extu_i32_i64(tmp2, tmp32_1);
tcg_gen_qemu_st32(tmp2, tmp, get_mem_index(s));
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i32(tmp32_1);
break;
case 0x71: /* MS R1,D2(X2,B2) [RX] */
insn = ld_code4(env, s->pc);
tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
tmp2 = tcg_temp_new_i64();
tmp32_1 = load_reg32(r1);
tmp32_2 = tcg_temp_new_i32();
tcg_gen_qemu_ld32s(tmp2, tmp, get_mem_index(s));
tcg_gen_trunc_i64_i32(tmp32_2, tmp2);
tcg_gen_mul_i32(tmp32_1, tmp32_1, tmp32_2);
store_reg32(r1, tmp32_1);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
case 0x78: /* LE R1,D2(X2,B2) [RX] */
insn = ld_code4(env, s->pc);
tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
tmp2 = tcg_temp_new_i64();
tmp32_1 = tcg_temp_new_i32();
tcg_gen_qemu_ld32u(tmp2, tmp, get_mem_index(s));
tcg_gen_trunc_i64_i32(tmp32_1, tmp2);
store_freg32(r1, tmp32_1);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i32(tmp32_1);
break;
#ifndef CONFIG_USER_ONLY
case 0x80: /* SSM D2(B2) [S] */
/* Set System Mask */
check_privileged(env, s, ilc);
insn = ld_code4(env, s->pc);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
tmp2 = tcg_temp_new_i64();
tmp3 = tcg_temp_new_i64();
tcg_gen_andi_i64(tmp3, psw_mask, ~0xff00000000000000ULL);
tcg_gen_qemu_ld8u(tmp2, tmp, get_mem_index(s));
tcg_gen_shli_i64(tmp2, tmp2, 56);
tcg_gen_or_i64(psw_mask, tmp3, tmp2);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i64(tmp3);
break;
case 0x82: /* LPSW D2(B2) [S] */
/* Load PSW */
check_privileged(env, s, ilc);
insn = ld_code4(env, s->pc);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
tmp2 = tcg_temp_new_i64();
tmp3 = tcg_temp_new_i64();
tcg_gen_qemu_ld32u(tmp2, tmp, get_mem_index(s));
tcg_gen_addi_i64(tmp, tmp, 4);
tcg_gen_qemu_ld32u(tmp3, tmp, get_mem_index(s));
gen_helper_load_psw(cpu_env, tmp2, tmp3);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i64(tmp3);
/* we need to keep cc_op intact */
s->is_jmp = DISAS_JUMP;
break;
case 0x83: /* DIAG R1,R3,D2 [RS] */
/* Diagnose call (KVM hypercall) */
check_privileged(env, s, ilc);
potential_page_fault(s);
insn = ld_code4(env, s->pc);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp32_1 = tcg_const_i32(insn & 0xfff);
tmp2 = load_reg(2);
tmp3 = load_reg(1);
gen_helper_diag(tmp2, cpu_env, tmp32_1, tmp2, tmp3);
store_reg(2, tmp2);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i64(tmp3);
break;
#endif
case 0x88: /* SRL R1,D2(B2) [RS] */
case 0x89: /* SLL R1,D2(B2) [RS] */
case 0x8a: /* SRA R1,D2(B2) [RS] */
insn = ld_code4(env, s->pc);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
tmp32_1 = load_reg32(r1);
tmp32_2 = tcg_temp_new_i32();
tcg_gen_trunc_i64_i32(tmp32_2, tmp);
tcg_gen_andi_i32(tmp32_2, tmp32_2, 0x3f);
switch (opc) {
case 0x88:
tcg_gen_shr_i32(tmp32_1, tmp32_1, tmp32_2);
break;
case 0x89:
tcg_gen_shl_i32(tmp32_1, tmp32_1, tmp32_2);
break;
case 0x8a:
tcg_gen_sar_i32(tmp32_1, tmp32_1, tmp32_2);
set_cc_s32(s, tmp32_1);
break;
default:
tcg_abort();
}
store_reg32(r1, tmp32_1);
tcg_temp_free_i64(tmp);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
case 0x8c: /* SRDL R1,D2(B2) [RS] */
case 0x8d: /* SLDL R1,D2(B2) [RS] */
case 0x8e: /* SRDA R1,D2(B2) [RS] */
insn = ld_code4(env, s->pc);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2); /* shift */
tmp2 = tcg_temp_new_i64();
tmp32_1 = load_reg32(r1);
tmp32_2 = load_reg32(r1 + 1);
tcg_gen_concat_i32_i64(tmp2, tmp32_2, tmp32_1); /* operand */
switch (opc) {
case 0x8c:
tcg_gen_shr_i64(tmp2, tmp2, tmp);
break;
case 0x8d:
tcg_gen_shl_i64(tmp2, tmp2, tmp);
break;
case 0x8e:
tcg_gen_sar_i64(tmp2, tmp2, tmp);
set_cc_s64(s, tmp2);
break;
}
tcg_gen_shri_i64(tmp, tmp2, 32);
tcg_gen_trunc_i64_i32(tmp32_1, tmp);
store_reg32(r1, tmp32_1);
tcg_gen_trunc_i64_i32(tmp32_2, tmp2);
store_reg32(r1 + 1, tmp32_2);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
break;
case 0x98: /* LM R1,R3,D2(B2) [RS] */
case 0x90: /* STM R1,R3,D2(B2) [RS] */
insn = ld_code4(env, s->pc);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
tmp2 = tcg_temp_new_i64();
tmp3 = tcg_const_i64(4);
tmp4 = tcg_const_i64(0xffffffff00000000ULL);
for (i = r1;; i = (i + 1) % 16) {
if (opc == 0x98) {
tcg_gen_qemu_ld32u(tmp2, tmp, get_mem_index(s));
tcg_gen_and_i64(regs[i], regs[i], tmp4);
tcg_gen_or_i64(regs[i], regs[i], tmp2);
} else {
tcg_gen_qemu_st32(regs[i], tmp, get_mem_index(s));
}
if (i == r3) {
break;
}
tcg_gen_add_i64(tmp, tmp, tmp3);
}
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i64(tmp3);
tcg_temp_free_i64(tmp4);
break;
case 0x91: /* TM D1(B1),I2 [SI] */
insn = ld_code4(env, s->pc);
tmp = decode_si(s, insn, &i2, &b1, &d1);
tmp2 = tcg_const_i64(i2);
tcg_gen_qemu_ld8u(tmp, tmp, get_mem_index(s));
cmp_64(s, tmp, tmp2, CC_OP_TM_32);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
break;
case 0x92: /* MVI D1(B1),I2 [SI] */
insn = ld_code4(env, s->pc);
tmp = decode_si(s, insn, &i2, &b1, &d1);
tmp2 = tcg_const_i64(i2);
tcg_gen_qemu_st8(tmp2, tmp, get_mem_index(s));
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
break;
case 0x94: /* NI D1(B1),I2 [SI] */
case 0x96: /* OI D1(B1),I2 [SI] */
case 0x97: /* XI D1(B1),I2 [SI] */
insn = ld_code4(env, s->pc);
tmp = decode_si(s, insn, &i2, &b1, &d1);
tmp2 = tcg_temp_new_i64();
tcg_gen_qemu_ld8u(tmp2, tmp, get_mem_index(s));
switch (opc) {
case 0x94:
tcg_gen_andi_i64(tmp2, tmp2, i2);
break;
case 0x96:
tcg_gen_ori_i64(tmp2, tmp2, i2);
break;
case 0x97:
tcg_gen_xori_i64(tmp2, tmp2, i2);
break;
default:
tcg_abort();
}
tcg_gen_qemu_st8(tmp2, tmp, get_mem_index(s));
set_cc_nz_u64(s, tmp2);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
break;
case 0x95: /* CLI D1(B1),I2 [SI] */
insn = ld_code4(env, s->pc);
tmp = decode_si(s, insn, &i2, &b1, &d1);
tmp2 = tcg_temp_new_i64();
tcg_gen_qemu_ld8u(tmp2, tmp, get_mem_index(s));
cmp_u64c(s, tmp2, i2);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
break;
case 0x9a: /* LAM R1,R3,D2(B2) [RS] */
insn = ld_code4(env, s->pc);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
tmp32_1 = tcg_const_i32(r1);
tmp32_2 = tcg_const_i32(r3);
potential_page_fault(s);
gen_helper_lam(cpu_env, tmp32_1, tmp, tmp32_2);
tcg_temp_free_i64(tmp);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
case 0x9b: /* STAM R1,R3,D2(B2) [RS] */
insn = ld_code4(env, s->pc);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
tmp32_1 = tcg_const_i32(r1);
tmp32_2 = tcg_const_i32(r3);
potential_page_fault(s);
gen_helper_stam(cpu_env, tmp32_1, tmp, tmp32_2);
tcg_temp_free_i64(tmp);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
case 0xa5:
insn = ld_code4(env, s->pc);
r1 = (insn >> 20) & 0xf;
op = (insn >> 16) & 0xf;
i2 = insn & 0xffff;
disas_a5(env, s, op, r1, i2);
break;
case 0xa7:
insn = ld_code4(env, s->pc);
r1 = (insn >> 20) & 0xf;
op = (insn >> 16) & 0xf;
i2 = (short)insn;
disas_a7(env, s, op, r1, i2);
break;
case 0xa8: /* MVCLE R1,R3,D2(B2) [RS] */
insn = ld_code4(env, s->pc);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
tmp32_1 = tcg_const_i32(r1);
tmp32_2 = tcg_const_i32(r3);
potential_page_fault(s);
gen_helper_mvcle(cc_op, cpu_env, tmp32_1, tmp, tmp32_2);
set_cc_static(s);
tcg_temp_free_i64(tmp);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
case 0xa9: /* CLCLE R1,R3,D2(B2) [RS] */
insn = ld_code4(env, s->pc);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
tmp32_1 = tcg_const_i32(r1);
tmp32_2 = tcg_const_i32(r3);
potential_page_fault(s);
gen_helper_clcle(cc_op, cpu_env, tmp32_1, tmp, tmp32_2);
set_cc_static(s);
tcg_temp_free_i64(tmp);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
#ifndef CONFIG_USER_ONLY
case 0xac: /* STNSM D1(B1),I2 [SI] */
case 0xad: /* STOSM D1(B1),I2 [SI] */
check_privileged(env, s, ilc);
insn = ld_code4(env, s->pc);
tmp = decode_si(s, insn, &i2, &b1, &d1);
tmp2 = tcg_temp_new_i64();
tcg_gen_shri_i64(tmp2, psw_mask, 56);
tcg_gen_qemu_st8(tmp2, tmp, get_mem_index(s));
if (opc == 0xac) {
tcg_gen_andi_i64(psw_mask, psw_mask,
((uint64_t)i2 << 56) | 0x00ffffffffffffffULL);
} else {
tcg_gen_ori_i64(psw_mask, psw_mask, (uint64_t)i2 << 56);
}
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
break;
case 0xae: /* SIGP R1,R3,D2(B2) [RS] */
check_privileged(env, s, ilc);
insn = ld_code4(env, s->pc);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
tmp2 = load_reg(r3);
tmp32_1 = tcg_const_i32(r1);
potential_page_fault(s);
gen_helper_sigp(cc_op, cpu_env, tmp, tmp32_1, tmp2);
set_cc_static(s);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i32(tmp32_1);
break;
case 0xb1: /* LRA R1,D2(X2, B2) [RX] */
check_privileged(env, s, ilc);
insn = ld_code4(env, s->pc);
tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
tmp32_1 = tcg_const_i32(r1);
potential_page_fault(s);
gen_helper_lra(cc_op, cpu_env, tmp, tmp32_1);
set_cc_static(s);
tcg_temp_free_i64(tmp);
tcg_temp_free_i32(tmp32_1);
break;
#endif
case 0xb2:
insn = ld_code4(env, s->pc);
op = (insn >> 16) & 0xff;
switch (op) {
case 0x9c: /* STFPC D2(B2) [S] */
d2 = insn & 0xfff;
b2 = (insn >> 12) & 0xf;
tmp32_1 = tcg_temp_new_i32();
tmp = tcg_temp_new_i64();
tmp2 = get_address(s, 0, b2, d2);
tcg_gen_ld_i32(tmp32_1, cpu_env, offsetof(CPUS390XState, fpc));
tcg_gen_extu_i32_i64(tmp, tmp32_1);
tcg_gen_qemu_st32(tmp, tmp2, get_mem_index(s));
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
break;
default:
disas_b2(env, s, op, insn);
break;
}
break;
case 0xb3:
insn = ld_code4(env, s->pc);
op = (insn >> 16) & 0xff;
r3 = (insn >> 12) & 0xf; /* aka m3 */
r1 = (insn >> 4) & 0xf;
r2 = insn & 0xf;
disas_b3(env, s, op, r3, r1, r2);
break;
#ifndef CONFIG_USER_ONLY
case 0xb6: /* STCTL R1,R3,D2(B2) [RS] */
/* Store Control */
check_privileged(env, s, ilc);
insn = ld_code4(env, s->pc);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
tmp32_1 = tcg_const_i32(r1);
tmp32_2 = tcg_const_i32(r3);
potential_page_fault(s);
gen_helper_stctl(cpu_env, tmp32_1, tmp, tmp32_2);
tcg_temp_free_i64(tmp);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
case 0xb7: /* LCTL R1,R3,D2(B2) [RS] */
/* Load Control */
check_privileged(env, s, ilc);
insn = ld_code4(env, s->pc);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
tmp32_1 = tcg_const_i32(r1);
tmp32_2 = tcg_const_i32(r3);
potential_page_fault(s);
gen_helper_lctl(cpu_env, tmp32_1, tmp, tmp32_2);
tcg_temp_free_i64(tmp);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
#endif
case 0xb9:
insn = ld_code4(env, s->pc);
r1 = (insn >> 4) & 0xf;
r2 = insn & 0xf;
op = (insn >> 16) & 0xff;
disas_b9(env, s, op, r1, r2);
break;
case 0xba: /* CS R1,R3,D2(B2) [RS] */
insn = ld_code4(env, s->pc);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
tmp32_1 = tcg_const_i32(r1);
tmp32_2 = tcg_const_i32(r3);
potential_page_fault(s);
gen_helper_cs(cc_op, cpu_env, tmp32_1, tmp, tmp32_2);
set_cc_static(s);
tcg_temp_free_i64(tmp);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
case 0xbd: /* CLM R1,M3,D2(B2) [RS] */
insn = ld_code4(env, s->pc);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
tmp32_1 = load_reg32(r1);
tmp32_2 = tcg_const_i32(r3);
potential_page_fault(s);
gen_helper_clm(cc_op, cpu_env, tmp32_1, tmp32_2, tmp);
set_cc_static(s);
tcg_temp_free_i64(tmp);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
case 0xbe: /* STCM R1,M3,D2(B2) [RS] */
insn = ld_code4(env, s->pc);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
tmp32_1 = load_reg32(r1);
tmp32_2 = tcg_const_i32(r3);
potential_page_fault(s);
gen_helper_stcm(cpu_env, tmp32_1, tmp32_2, tmp);
tcg_temp_free_i64(tmp);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
case 0xbf: /* ICM R1,M3,D2(B2) [RS] */
insn = ld_code4(env, s->pc);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
if (r3 == 15) {
/* effectively a 32-bit load */
tmp = get_address(s, 0, b2, d2);
tmp32_1 = tcg_temp_new_i32();
tmp32_2 = tcg_const_i32(r3);
tcg_gen_qemu_ld32u(tmp, tmp, get_mem_index(s));
store_reg32_i64(r1, tmp);
tcg_gen_trunc_i64_i32(tmp32_1, tmp);
set_cc_icm(s, tmp32_2, tmp32_1);
tcg_temp_free_i64(tmp);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
} else if (r3) {
uint32_t mask = 0x00ffffffUL;
uint32_t shift = 24;
int m3 = r3;
tmp = get_address(s, 0, b2, d2);
tmp2 = tcg_temp_new_i64();
tmp32_1 = load_reg32(r1);
tmp32_2 = tcg_temp_new_i32();
tmp32_3 = tcg_const_i32(r3);
tmp32_4 = tcg_const_i32(0);
while (m3) {
if (m3 & 8) {
tcg_gen_qemu_ld8u(tmp2, tmp, get_mem_index(s));
tcg_gen_trunc_i64_i32(tmp32_2, tmp2);
if (shift) {
tcg_gen_shli_i32(tmp32_2, tmp32_2, shift);
}
tcg_gen_andi_i32(tmp32_1, tmp32_1, mask);
tcg_gen_or_i32(tmp32_1, tmp32_1, tmp32_2);
tcg_gen_or_i32(tmp32_4, tmp32_4, tmp32_2);
tcg_gen_addi_i64(tmp, tmp, 1);
}
m3 = (m3 << 1) & 0xf;
mask = (mask >> 8) | 0xff000000UL;
shift -= 8;
}
store_reg32(r1, tmp32_1);
set_cc_icm(s, tmp32_3, tmp32_4);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
tcg_temp_free_i32(tmp32_3);
tcg_temp_free_i32(tmp32_4);
} else {
/* i.e. env->cc = 0 */
gen_op_movi_cc(s, 0);
}
break;
case 0xc0:
case 0xc2:
insn = ld_code6(env, s->pc);
r1 = (insn >> 36) & 0xf;
op = (insn >> 32) & 0xf;
i2 = (int)insn;
switch (opc) {
case 0xc0:
disas_c0(env, s, op, r1, i2);
break;
case 0xc2:
disas_c2(env, s, op, r1, i2);
break;
default:
tcg_abort();
}
break;
case 0xd2: /* MVC D1(L,B1),D2(B2) [SS] */
case 0xd4: /* NC D1(L,B1),D2(B2) [SS] */
case 0xd5: /* CLC D1(L,B1),D2(B2) [SS] */
case 0xd6: /* OC D1(L,B1),D2(B2) [SS] */
case 0xd7: /* XC D1(L,B1),D2(B2) [SS] */
case 0xdc: /* TR D1(L,B1),D2(B2) [SS] */
case 0xf3: /* UNPK D1(L1,B1),D2(L2,B2) [SS] */
insn = ld_code6(env, s->pc);
vl = tcg_const_i32((insn >> 32) & 0xff);
b1 = (insn >> 28) & 0xf;
b2 = (insn >> 12) & 0xf;
d1 = (insn >> 16) & 0xfff;
d2 = insn & 0xfff;
tmp = get_address(s, 0, b1, d1);
tmp2 = get_address(s, 0, b2, d2);
switch (opc) {
case 0xd2:
gen_op_mvc(s, (insn >> 32) & 0xff, tmp, tmp2);
break;
case 0xd4:
potential_page_fault(s);
gen_helper_nc(cc_op, cpu_env, vl, tmp, tmp2);
set_cc_static(s);
break;
case 0xd5:
gen_op_clc(s, (insn >> 32) & 0xff, tmp, tmp2);
break;
case 0xd6:
potential_page_fault(s);
gen_helper_oc(cc_op, cpu_env, vl, tmp, tmp2);
set_cc_static(s);
break;
case 0xd7:
potential_page_fault(s);
gen_helper_xc(cc_op, cpu_env, vl, tmp, tmp2);
set_cc_static(s);
break;
case 0xdc:
potential_page_fault(s);
gen_helper_tr(cpu_env, vl, tmp, tmp2);
set_cc_static(s);
break;
case 0xf3:
potential_page_fault(s);
gen_helper_unpk(cpu_env, vl, tmp, tmp2);
break;
default:
tcg_abort();
}
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
break;
#ifndef CONFIG_USER_ONLY
case 0xda: /* MVCP D1(R1,B1),D2(B2),R3 [SS] */
case 0xdb: /* MVCS D1(R1,B1),D2(B2),R3 [SS] */
check_privileged(env, s, ilc);
potential_page_fault(s);
insn = ld_code6(env, s->pc);
r1 = (insn >> 36) & 0xf;
r3 = (insn >> 32) & 0xf;
b1 = (insn >> 28) & 0xf;
d1 = (insn >> 16) & 0xfff;
b2 = (insn >> 12) & 0xf;
d2 = insn & 0xfff;
tmp = load_reg(r1);
/* XXX key in r3 */
tmp2 = get_address(s, 0, b1, d1);
tmp3 = get_address(s, 0, b2, d2);
if (opc == 0xda) {
gen_helper_mvcp(cc_op, cpu_env, tmp, tmp2, tmp3);
} else {
gen_helper_mvcs(cc_op, cpu_env, tmp, tmp2, tmp3);
}
set_cc_static(s);
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i64(tmp3);
break;
#endif
case 0xe3:
insn = ld_code6(env, s->pc);
debug_insn(insn);
op = insn & 0xff;
r1 = (insn >> 36) & 0xf;
x2 = (insn >> 32) & 0xf;
b2 = (insn >> 28) & 0xf;
d2 = ((int)((((insn >> 16) & 0xfff)
| ((insn << 4) & 0xff000)) << 12)) >> 12;
disas_e3(env, s, op, r1, x2, b2, d2 );
break;
#ifndef CONFIG_USER_ONLY
case 0xe5:
/* Test Protection */
check_privileged(env, s, ilc);
insn = ld_code6(env, s->pc);
debug_insn(insn);
disas_e5(env, s, insn);
break;
#endif
case 0xeb:
insn = ld_code6(env, s->pc);
debug_insn(insn);
op = insn & 0xff;
r1 = (insn >> 36) & 0xf;
r3 = (insn >> 32) & 0xf;
b2 = (insn >> 28) & 0xf;
d2 = ((int)((((insn >> 16) & 0xfff)
| ((insn << 4) & 0xff000)) << 12)) >> 12;
disas_eb(env, s, op, r1, r3, b2, d2);
break;
case 0xed:
insn = ld_code6(env, s->pc);
debug_insn(insn);
op = insn & 0xff;
r1 = (insn >> 36) & 0xf;
x2 = (insn >> 32) & 0xf;
b2 = (insn >> 28) & 0xf;
d2 = (short)((insn >> 16) & 0xfff);
r1b = (insn >> 12) & 0xf;
disas_ed(env, s, op, r1, x2, b2, d2, r1b);
break;
default:
qemu_log_mask(LOG_UNIMP, "unimplemented opcode 0x%x\n", opc);
gen_illegal_opcode(env, s, ilc);
break;
}
/* Instruction length is encoded in the opcode */
s->pc += (ilc * 2);
}
static inline void gen_intermediate_code_internal(CPUS390XState *env,
TranslationBlock *tb,
int search_pc)
{
DisasContext dc;
target_ulong pc_start;
uint64_t next_page_start;
uint16_t *gen_opc_end;
int j, lj = -1;
int num_insns, max_insns;
CPUBreakpoint *bp;
pc_start = tb->pc;
/* 31-bit mode */
if (!(tb->flags & FLAG_MASK_64)) {
pc_start &= 0x7fffffff;
}
dc.pc = pc_start;
dc.is_jmp = DISAS_NEXT;
dc.tb = tb;
dc.cc_op = CC_OP_DYNAMIC;
gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
next_page_start = (pc_start & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE;
num_insns = 0;
max_insns = tb->cflags & CF_COUNT_MASK;
if (max_insns == 0) {
max_insns = CF_COUNT_MASK;
}
gen_icount_start();
do {
if (unlikely(!QTAILQ_EMPTY(&env->breakpoints))) {
QTAILQ_FOREACH(bp, &env->breakpoints, entry) {
if (bp->pc == dc.pc) {
gen_debug(&dc);
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] = dc.pc;
gen_opc_cc_op[lj] = dc.cc_op;
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 (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP | CPU_LOG_TB_OP_OPT))) {
tcg_gen_debug_insn_start(dc.pc);
}
disas_s390_insn(env, &dc);
num_insns++;
if (env->singlestep_enabled) {
gen_debug(&dc);
}
} while (!dc.is_jmp && gen_opc_ptr < gen_opc_end && dc.pc < next_page_start
&& num_insns < max_insns && !env->singlestep_enabled
&& !singlestep);
if (!dc.is_jmp) {
update_psw_addr(&dc);
}
if (singlestep && dc.cc_op != CC_OP_DYNAMIC) {
gen_op_calc_cc(&dc);
} else {
/* next TB starts off with CC_OP_DYNAMIC, so make sure the cc op type
is in env */
gen_op_set_cc_op(&dc);
}
if (tb->cflags & CF_LAST_IO) {
gen_io_end();
}
/* Generate the return instruction */
if (dc.is_jmp != DISAS_TB_JUMP) {
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 = dc.pc - pc_start;
tb->icount = num_insns;
}
#if defined(S390X_DEBUG_DISAS)
if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
qemu_log("IN: %s\n", lookup_symbol(pc_start));
log_target_disas(pc_start, dc.pc - pc_start, 1);
qemu_log("\n");
}
#endif
}
void gen_intermediate_code (CPUS390XState *env, struct TranslationBlock *tb)
{
gen_intermediate_code_internal(env, tb, 0);
}
void gen_intermediate_code_pc (CPUS390XState *env, struct TranslationBlock *tb)
{
gen_intermediate_code_internal(env, tb, 1);
}
void restore_state_to_opc(CPUS390XState *env, TranslationBlock *tb, int pc_pos)
{
int cc_op;
env->psw.addr = gen_opc_pc[pc_pos];
cc_op = gen_opc_cc_op[pc_pos];
if ((cc_op != CC_OP_DYNAMIC) && (cc_op != CC_OP_STATIC)) {
env->cc_op = cc_op;
}
}