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path: root/target/i386/hvf/x86_flags.c
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Diffstat (limited to 'target/i386/hvf/x86_flags.c')
-rw-r--r--target/i386/hvf/x86_flags.c81
1 files changed, 40 insertions, 41 deletions
diff --git a/target/i386/hvf/x86_flags.c b/target/i386/hvf/x86_flags.c
index ee6d33f861..5ca4f41f5c 100644
--- a/target/i386/hvf/x86_flags.c
+++ b/target/i386/hvf/x86_flags.c
@@ -63,7 +63,7 @@
#define SET_FLAGS_OSZAPC_SIZE(size, lf_carries, lf_result) { \
target_ulong temp = ((lf_carries) & (LF_MASK_AF)) | \
(((lf_carries) >> (size - 2)) << LF_BIT_PO); \
- env->hvf_emul->lflags.result = (target_ulong)(int##size##_t)(lf_result); \
+ env->hvf_lflags.result = (target_ulong)(int##size##_t)(lf_result); \
if ((size) == 32) { \
temp = ((lf_carries) & ~(LF_MASK_PDB | LF_MASK_SD)); \
} else if ((size) == 16) { \
@@ -73,7 +73,7 @@
} else { \
VM_PANIC("unimplemented"); \
} \
- env->hvf_emul->lflags.auxbits = (target_ulong)(uint32_t)temp; \
+ env->hvf_lflags.auxbits = (target_ulong)(uint32_t)temp; \
}
/* carries, result */
@@ -100,10 +100,10 @@
} else { \
VM_PANIC("unimplemented"); \
} \
- env->hvf_emul->lflags.result = (target_ulong)(int##size##_t)(lf_result); \
- target_ulong delta_c = (env->hvf_emul->lflags.auxbits ^ temp) & LF_MASK_CF; \
+ env->hvf_lflags.result = (target_ulong)(int##size##_t)(lf_result); \
+ target_ulong delta_c = (env->hvf_lflags.auxbits ^ temp) & LF_MASK_CF; \
delta_c ^= (delta_c >> 1); \
- env->hvf_emul->lflags.auxbits = (target_ulong)(uint32_t)(temp ^ delta_c); \
+ env->hvf_lflags.auxbits = (target_ulong)(uint32_t)(temp ^ delta_c); \
}
/* carries, result */
@@ -117,9 +117,8 @@
void SET_FLAGS_OxxxxC(CPUX86State *env, uint32_t new_of, uint32_t new_cf)
{
uint32_t temp_po = new_of ^ new_cf;
- env->hvf_emul->lflags.auxbits &= ~(LF_MASK_PO | LF_MASK_CF);
- env->hvf_emul->lflags.auxbits |= (temp_po << LF_BIT_PO) |
- (new_cf << LF_BIT_CF);
+ env->hvf_lflags.auxbits &= ~(LF_MASK_PO | LF_MASK_CF);
+ env->hvf_lflags.auxbits |= (temp_po << LF_BIT_PO) | (new_cf << LF_BIT_CF);
}
void SET_FLAGS_OSZAPC_SUB32(CPUX86State *env, uint32_t v1, uint32_t v2,
@@ -215,27 +214,27 @@ void SET_FLAGS_OSZAPC_LOGIC8(CPUX86State *env, uint8_t v1, uint8_t v2,
bool get_PF(CPUX86State *env)
{
- uint32_t temp = (255 & env->hvf_emul->lflags.result);
- temp = temp ^ (255 & (env->hvf_emul->lflags.auxbits >> LF_BIT_PDB));
+ uint32_t temp = (255 & env->hvf_lflags.result);
+ temp = temp ^ (255 & (env->hvf_lflags.auxbits >> LF_BIT_PDB));
temp = (temp ^ (temp >> 4)) & 0x0F;
return (0x9669U >> temp) & 1;
}
void set_PF(CPUX86State *env, bool val)
{
- uint32_t temp = (255 & env->hvf_emul->lflags.result) ^ (!val);
- env->hvf_emul->lflags.auxbits &= ~(LF_MASK_PDB);
- env->hvf_emul->lflags.auxbits |= (temp << LF_BIT_PDB);
+ uint32_t temp = (255 & env->hvf_lflags.result) ^ (!val);
+ env->hvf_lflags.auxbits &= ~(LF_MASK_PDB);
+ env->hvf_lflags.auxbits |= (temp << LF_BIT_PDB);
}
bool get_OF(CPUX86State *env)
{
- return ((env->hvf_emul->lflags.auxbits + (1U << LF_BIT_PO)) >> LF_BIT_CF) & 1;
+ return ((env->hvf_lflags.auxbits + (1U << LF_BIT_PO)) >> LF_BIT_CF) & 1;
}
bool get_CF(CPUX86State *env)
{
- return (env->hvf_emul->lflags.auxbits >> LF_BIT_CF) & 1;
+ return (env->hvf_lflags.auxbits >> LF_BIT_CF) & 1;
}
void set_OF(CPUX86State *env, bool val)
@@ -252,64 +251,64 @@ void set_CF(CPUX86State *env, bool val)
bool get_AF(CPUX86State *env)
{
- return (env->hvf_emul->lflags.auxbits >> LF_BIT_AF) & 1;
+ return (env->hvf_lflags.auxbits >> LF_BIT_AF) & 1;
}
void set_AF(CPUX86State *env, bool val)
{
- env->hvf_emul->lflags.auxbits &= ~(LF_MASK_AF);
- env->hvf_emul->lflags.auxbits |= val << LF_BIT_AF;
+ env->hvf_lflags.auxbits &= ~(LF_MASK_AF);
+ env->hvf_lflags.auxbits |= val << LF_BIT_AF;
}
bool get_ZF(CPUX86State *env)
{
- return !env->hvf_emul->lflags.result;
+ return !env->hvf_lflags.result;
}
void set_ZF(CPUX86State *env, bool val)
{
if (val) {
- env->hvf_emul->lflags.auxbits ^=
- (((env->hvf_emul->lflags.result >> LF_SIGN_BIT) & 1) << LF_BIT_SD);
+ env->hvf_lflags.auxbits ^=
+ (((env->hvf_lflags.result >> LF_SIGN_BIT) & 1) << LF_BIT_SD);
/* merge the parity bits into the Parity Delta Byte */
- uint32_t temp_pdb = (255 & env->hvf_emul->lflags.result);
- env->hvf_emul->lflags.auxbits ^= (temp_pdb << LF_BIT_PDB);
+ uint32_t temp_pdb = (255 & env->hvf_lflags.result);
+ env->hvf_lflags.auxbits ^= (temp_pdb << LF_BIT_PDB);
/* now zero the .result value */
- env->hvf_emul->lflags.result = 0;
+ env->hvf_lflags.result = 0;
} else {
- env->hvf_emul->lflags.result |= (1 << 8);
+ env->hvf_lflags.result |= (1 << 8);
}
}
bool get_SF(CPUX86State *env)
{
- return ((env->hvf_emul->lflags.result >> LF_SIGN_BIT) ^
- (env->hvf_emul->lflags.auxbits >> LF_BIT_SD)) & 1;
+ return ((env->hvf_lflags.result >> LF_SIGN_BIT) ^
+ (env->hvf_lflags.auxbits >> LF_BIT_SD)) & 1;
}
void set_SF(CPUX86State *env, bool val)
{
bool temp_sf = get_SF(env);
- env->hvf_emul->lflags.auxbits ^= (temp_sf ^ val) << LF_BIT_SD;
+ env->hvf_lflags.auxbits ^= (temp_sf ^ val) << LF_BIT_SD;
}
void lflags_to_rflags(CPUX86State *env)
{
- env->hvf_emul->rflags.cf = get_CF(env);
- env->hvf_emul->rflags.pf = get_PF(env);
- env->hvf_emul->rflags.af = get_AF(env);
- env->hvf_emul->rflags.zf = get_ZF(env);
- env->hvf_emul->rflags.sf = get_SF(env);
- env->hvf_emul->rflags.of = get_OF(env);
+ env->eflags |= get_CF(env) ? CC_C : 0;
+ env->eflags |= get_PF(env) ? CC_P : 0;
+ env->eflags |= get_AF(env) ? CC_A : 0;
+ env->eflags |= get_ZF(env) ? CC_Z : 0;
+ env->eflags |= get_SF(env) ? CC_S : 0;
+ env->eflags |= get_OF(env) ? CC_O : 0;
}
void rflags_to_lflags(CPUX86State *env)
{
- env->hvf_emul->lflags.auxbits = env->hvf_emul->lflags.result = 0;
- set_OF(env, env->hvf_emul->rflags.of);
- set_SF(env, env->hvf_emul->rflags.sf);
- set_ZF(env, env->hvf_emul->rflags.zf);
- set_AF(env, env->hvf_emul->rflags.af);
- set_PF(env, env->hvf_emul->rflags.pf);
- set_CF(env, env->hvf_emul->rflags.cf);
+ env->hvf_lflags.auxbits = env->hvf_lflags.result = 0;
+ set_OF(env, env->eflags & CC_O);
+ set_SF(env, env->eflags & CC_S);
+ set_ZF(env, env->eflags & CC_Z);
+ set_AF(env, env->eflags & CC_A);
+ set_PF(env, env->eflags & CC_P);
+ set_CF(env, env->eflags & CC_C);
}
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2025-01-27 17:45:20 +0100