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Slight changes related to PAE.

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This commit is contained in:
OBattler
2020-04-28 18:37:19 +02:00
parent a34e5a7d84
commit 28530c83dc
1 changed files with 7 additions and 5 deletions
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6
src/cpu_common/x86_ops_mov_ctrl.h
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@@ -139,8 +139,8 @@ static int opMOV_CRx_r_a16(uint32_t fetchdat)
case 4: case 4:
if (cpu_has_feature(CPU_FEATURE_CR4)) if (cpu_has_feature(CPU_FEATURE_CR4))
{ {
if (cpu_state.regs[cpu_rm].l & 0x00000020) if (((cpu_state.regs[cpu_rm].l ^ cr4) & cpu_CR4_mask) & CR4_PAE)
fatal("PAE enable\n"); flushmmucache();
cr4 = cpu_state.regs[cpu_rm].l & cpu_CR4_mask; cr4 = cpu_state.regs[cpu_rm].l & cpu_CR4_mask;
break; break;
} }
@@ -195,6 +195,8 @@ static int opMOV_CRx_r_a32(uint32_t fetchdat)
case 4: case 4:
if (cpu_has_feature(CPU_FEATURE_CR4)) if (cpu_has_feature(CPU_FEATURE_CR4))
{ {
if (((cpu_state.regs[cpu_rm].l ^ cr4) & cpu_CR4_mask) & CR4_PAE)
flushmmucache();
cr4 = cpu_state.regs[cpu_rm].l & cpu_CR4_mask; cr4 = cpu_state.regs[cpu_rm].l & cpu_CR4_mask;
break; break;
} }