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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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12
src/cpu_common/x86_ops_mov_ctrl.h
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@@ -120,9 +120,9 @@ static int opMOV_CRx_r_a16(uint32_t fetchdat)
mmu_perm=4;
if (hascache && !(cr0 & (1 << 30)))
cpu_cache_int_enabled = 1;
else
cpu_cache_int_enabled = 0;
if (hascache && ((cr0 ^ old_cr0) & (1 << 30)))
else
cpu_cache_int_enabled = 0;
if (hascache && ((cr0 ^ old_cr0) & (1 << 30)))
cpu_update_waitstates();
if (cr0 & 1)
cpu_cur_status |= CPU_STATUS_PMODE;
@@ -139,8 +139,8 @@ static int opMOV_CRx_r_a16(uint32_t fetchdat)
case 4:
if (cpu_has_feature(CPU_FEATURE_CR4))
{
if (cpu_state.regs[cpu_rm].l & 0x00000020)
fatal("PAE enable\n");
if (((cpu_state.regs[cpu_rm].l ^ cr4) & cpu_CR4_mask) & CR4_PAE)
flushmmucache();
cr4 = cpu_state.regs[cpu_rm].l & cpu_CR4_mask;
break;
}
@@ -195,6 +195,8 @@ static int opMOV_CRx_r_a32(uint32_t fetchdat)
case 4:
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;
break;
}