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x86: avoid AREG0 for condition code helpers

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Add an explicit CPUX86State parameter instead of relying on AREG0.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Blue Swirl 2012-04-29 12:45:34 +00:00
parent d3eb5eaeb5
commit f0967a1add
10 changed files with 179 additions and 169 deletions
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199
target-i386/cc_helper.c
View file

@ -18,7 +18,6 @@
*/
#include "cpu.h"
#include "dyngen-exec.h"
#include "helper.h"
const uint8_t parity_table[256] = {
@ -76,184 +75,177 @@ const uint8_t parity_table[256] = {
#endif
static int compute_all_eflags(void)
static int compute_all_eflags(CPUX86State *env)
{
return CC_SRC;
}
static int compute_c_eflags(void)
static int compute_c_eflags(CPUX86State *env)
{
return CC_SRC & CC_C;
}
uint32_t helper_cc_compute_all(int op)
uint32_t helper_cc_compute_all(CPUX86State *env, int op)
{
switch (op) {
default: /* should never happen */
return 0;
case CC_OP_EFLAGS:
return compute_all_eflags();
return compute_all_eflags(env);
case CC_OP_MULB:
return compute_all_mulb();
return compute_all_mulb(env);
case CC_OP_MULW:
return compute_all_mulw();
return compute_all_mulw(env);
case CC_OP_MULL:
return compute_all_mull();
return compute_all_mull(env);
case CC_OP_ADDB:
return compute_all_addb();
return compute_all_addb(env);
case CC_OP_ADDW:
return compute_all_addw();
return compute_all_addw(env);
case CC_OP_ADDL:
return compute_all_addl();
return compute_all_addl(env);
case CC_OP_ADCB:
return compute_all_adcb();
return compute_all_adcb(env);
case CC_OP_ADCW:
return compute_all_adcw();
return compute_all_adcw(env);
case CC_OP_ADCL:
return compute_all_adcl();
return compute_all_adcl(env);
case CC_OP_SUBB:
return compute_all_subb();
return compute_all_subb(env);
case CC_OP_SUBW:
return compute_all_subw();
return compute_all_subw(env);
case CC_OP_SUBL:
return compute_all_subl();
return compute_all_subl(env);
case CC_OP_SBBB:
return compute_all_sbbb();
return compute_all_sbbb(env);
case CC_OP_SBBW:
return compute_all_sbbw();
return compute_all_sbbw(env);
case CC_OP_SBBL:
return compute_all_sbbl();
return compute_all_sbbl(env);
case CC_OP_LOGICB:
return compute_all_logicb();
return compute_all_logicb(env);
case CC_OP_LOGICW:
return compute_all_logicw();
return compute_all_logicw(env);
case CC_OP_LOGICL:
return compute_all_logicl();
return compute_all_logicl(env);
case CC_OP_INCB:
return compute_all_incb();
return compute_all_incb(env);
case CC_OP_INCW:
return compute_all_incw();
return compute_all_incw(env);
case CC_OP_INCL:
return compute_all_incl();
return compute_all_incl(env);
case CC_OP_DECB:
return compute_all_decb();
return compute_all_decb(env);
case CC_OP_DECW:
return compute_all_decw();
return compute_all_decw(env);
case CC_OP_DECL:
return compute_all_decl();
return compute_all_decl(env);
case CC_OP_SHLB:
return compute_all_shlb();
return compute_all_shlb(env);
case CC_OP_SHLW:
return compute_all_shlw();
return compute_all_shlw(env);
case CC_OP_SHLL:
return compute_all_shll();
return compute_all_shll(env);
case CC_OP_SARB:
return compute_all_sarb();
return compute_all_sarb(env);
case CC_OP_SARW:
return compute_all_sarw();
return compute_all_sarw(env);
case CC_OP_SARL:
return compute_all_sarl();
return compute_all_sarl(env);
#ifdef TARGET_X86_64
case CC_OP_MULQ:
return compute_all_mulq();
return compute_all_mulq(env);
case CC_OP_ADDQ:
return compute_all_addq();
return compute_all_addq(env);
case CC_OP_ADCQ:
return compute_all_adcq();
return compute_all_adcq(env);
case CC_OP_SUBQ:
return compute_all_subq();
return compute_all_subq(env);
case CC_OP_SBBQ:
return compute_all_sbbq();
return compute_all_sbbq(env);
case CC_OP_LOGICQ:
return compute_all_logicq();
return compute_all_logicq(env);
case CC_OP_INCQ:
return compute_all_incq();
return compute_all_incq(env);
case CC_OP_DECQ:
return compute_all_decq();
return compute_all_decq(env);
case CC_OP_SHLQ:
return compute_all_shlq();
return compute_all_shlq(env);
case CC_OP_SARQ:
return compute_all_sarq();
return compute_all_sarq(env);
#endif
}
}
uint32_t cpu_cc_compute_all(CPUX86State *env1, int op)
uint32_t cpu_cc_compute_all(CPUX86State *env, int op)
{
CPUX86State *saved_env;
uint32_t ret;
saved_env = env;
env = env1;
ret = helper_cc_compute_all(op);
env = saved_env;
return ret;
return helper_cc_compute_all(env, op);
}
uint32_t helper_cc_compute_c(int op)
uint32_t helper_cc_compute_c(CPUX86State *env, int op)
{
switch (op) {
default: /* should never happen */
return 0;
case CC_OP_EFLAGS:
return compute_c_eflags();
return compute_c_eflags(env);
case CC_OP_MULB:
return compute_c_mull();
return compute_c_mull(env);
case CC_OP_MULW:
return compute_c_mull();
return compute_c_mull(env);
case CC_OP_MULL:
return compute_c_mull();
return compute_c_mull(env);
case CC_OP_ADDB:
return compute_c_addb();
return compute_c_addb(env);
case CC_OP_ADDW:
return compute_c_addw();
return compute_c_addw(env);
case CC_OP_ADDL:
return compute_c_addl();
return compute_c_addl(env);
case CC_OP_ADCB:
return compute_c_adcb();
return compute_c_adcb(env);
case CC_OP_ADCW:
return compute_c_adcw();
return compute_c_adcw(env);
case CC_OP_ADCL:
return compute_c_adcl();
return compute_c_adcl(env);
case CC_OP_SUBB:
return compute_c_subb();
return compute_c_subb(env);
case CC_OP_SUBW:
return compute_c_subw();
return compute_c_subw(env);
case CC_OP_SUBL:
return compute_c_subl();
return compute_c_subl(env);
case CC_OP_SBBB:
return compute_c_sbbb();
return compute_c_sbbb(env);
case CC_OP_SBBW:
return compute_c_sbbw();
return compute_c_sbbw(env);
case CC_OP_SBBL:
return compute_c_sbbl();
return compute_c_sbbl(env);
case CC_OP_LOGICB:
return compute_c_logicb();
@ -263,111 +255,112 @@ uint32_t helper_cc_compute_c(int op)
return compute_c_logicl();
case CC_OP_INCB:
return compute_c_incl();
return compute_c_incl(env);
case CC_OP_INCW:
return compute_c_incl();
return compute_c_incl(env);
case CC_OP_INCL:
return compute_c_incl();
return compute_c_incl(env);
case CC_OP_DECB:
return compute_c_incl();
return compute_c_incl(env);
case CC_OP_DECW:
return compute_c_incl();
return compute_c_incl(env);
case CC_OP_DECL:
return compute_c_incl();
return compute_c_incl(env);
case CC_OP_SHLB:
return compute_c_shlb();
return compute_c_shlb(env);
case CC_OP_SHLW:
return compute_c_shlw();
return compute_c_shlw(env);
case CC_OP_SHLL:
return compute_c_shll();
return compute_c_shll(env);
case CC_OP_SARB:
return compute_c_sarl();
return compute_c_sarl(env);
case CC_OP_SARW:
return compute_c_sarl();
return compute_c_sarl(env);
case CC_OP_SARL:
return compute_c_sarl();
return compute_c_sarl(env);
#ifdef TARGET_X86_64
case CC_OP_MULQ:
return compute_c_mull();
return compute_c_mull(env);
case CC_OP_ADDQ:
return compute_c_addq();
return compute_c_addq(env);
case CC_OP_ADCQ:
return compute_c_adcq();
return compute_c_adcq(env);
case CC_OP_SUBQ:
return compute_c_subq();
return compute_c_subq(env);
case CC_OP_SBBQ:
return compute_c_sbbq();
return compute_c_sbbq(env);
case CC_OP_LOGICQ:
return compute_c_logicq();
case CC_OP_INCQ:
return compute_c_incl();
return compute_c_incl(env);
case CC_OP_DECQ:
return compute_c_incl();
return compute_c_incl(env);
case CC_OP_SHLQ:
return compute_c_shlq();
return compute_c_shlq(env);
case CC_OP_SARQ:
return compute_c_sarl();
return compute_c_sarl(env);
#endif
}
}
void helper_write_eflags(target_ulong t0, uint32_t update_mask)
void helper_write_eflags(CPUX86State *env, target_ulong t0,
uint32_t update_mask)
{
cpu_load_eflags(env, t0, update_mask);
}
target_ulong helper_read_eflags(void)
target_ulong helper_read_eflags(CPUX86State *env)
{
uint32_t eflags;
eflags = helper_cc_compute_all(CC_OP);
eflags = helper_cc_compute_all(env, CC_OP);
eflags |= (DF & DF_MASK);
eflags |= env->eflags & ~(VM_MASK | RF_MASK);
return eflags;
}
void helper_clts(void)
void helper_clts(CPUX86State *env)
{
env->cr[0] &= ~CR0_TS_MASK;
env->hflags &= ~HF_TS_MASK;
}
void helper_reset_rf(void)
void helper_reset_rf(CPUX86State *env)
{
env->eflags &= ~RF_MASK;
}
void helper_cli(void)
void helper_cli(CPUX86State *env)
{
env->eflags &= ~IF_MASK;
}
void helper_sti(void)
void helper_sti(CPUX86State *env)
{
env->eflags |= IF_MASK;
}
#if 0
/* vm86plus instructions */
void helper_cli_vm(void)
void helper_cli_vm(CPUX86State *env)
{
env->eflags &= ~VIF_MASK;
}
void helper_sti_vm(void)
void helper_sti_vm(CPUX86State *env)
{
env->eflags |= VIF_MASK;
if (env->eflags & VIP_MASK) {
@ -376,12 +369,12 @@ void helper_sti_vm(void)
}
#endif
void helper_set_inhibit_irq(void)
void helper_set_inhibit_irq(CPUX86State *env)
{
env->hflags |= HF_INHIBIT_IRQ_MASK;
}
void helper_reset_inhibit_irq(void)
void helper_reset_inhibit_irq(CPUX86State *env)
{
env->hflags &= ~HF_INHIBIT_IRQ_MASK;
}