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Don't set Centaur/VIA Feature Control Register MSR on CPUs that lack it

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This commit is contained in:
Alexander Babikov
2023-11-06 10:22:06 +05:00
parent 09d2f7517c
commit b0b857a50e
1 changed files with 0 additions and 21 deletions
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21
src/cpu/cpu.c
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@@ -1389,7 +1389,6 @@ cpu_set(void)
cpu_features = CPU_FEATURE_RDTSC | CPU_FEATURE_MSR | CPU_FEATURE_CR4 | CPU_FEATURE_VME;
if (cpu_s->cpu_type == CPU_PENTIUMMMX)
cpu_features |= CPU_FEATURE_MMX;
msr.fcr = (1 << 8) | (1 << 9) | (1 << 12) | (1 << 16) | (1 << 19) | (1 << 21);
cpu_CR4_mask = CR4_VME | CR4_PVI | CR4_TSD | CR4_DE | CR4_PSE | CR4_MCE | CR4_PCE;
#ifdef USE_DYNAREC
codegen_timing_set(&codegen_timing_pentium);
@@ -1503,7 +1502,6 @@ cpu_set(void)
cpu_features |= CPU_FEATURE_MSR | CPU_FEATURE_CR4;
if (cpu_s->cpu_type == CPU_Cx6x86MX)
cpu_features |= CPU_FEATURE_MMX;
msr.fcr = (1 << 8) | (1 << 9) | (1 << 12) | (1 << 16) | (1 << 19) | (1 << 21);
if (cpu_s->cpu_type >= CPU_CxGX1)
cpu_CR4_mask = CR4_TSD | CR4_DE | CR4_PCE;
@@ -1598,7 +1596,6 @@ cpu_set(void)
cpu_features |= CPU_FEATURE_3DNOW;
if ((cpu_s->cpu_type == CPU_K6_2P) || (cpu_s->cpu_type == CPU_K6_3P))
cpu_features |= CPU_FEATURE_3DNOWE;
msr.fcr = (1 << 8) | (1 << 9) | (1 << 12) | (1 << 16) | (1 << 19) | (1 << 21);
#if defined(DEV_BRANCH) && defined(USE_AMD_K5)
cpu_CR4_mask = CR4_TSD | CR4_DE | CR4_MCE;
if (cpu_s->cpu_type >= CPU_K6) {
@@ -1701,7 +1698,6 @@ cpu_set(void)
cpu_features = CPU_FEATURE_RDTSC | CPU_FEATURE_MSR | CPU_FEATURE_CR4 | CPU_FEATURE_VME;
if (cpu_s->cpu_type >= CPU_PENTIUM2)
cpu_features |= CPU_FEATURE_MMX;
msr.fcr = (1 << 8) | (1 << 9) | (1 << 12) | (1 << 16) | (1 << 19) | (1 << 21);
cpu_CR4_mask = CR4_VME | CR4_PVI | CR4_TSD | CR4_DE | CR4_PSE | CR4_MCE | CR4_PAE | CR4_PCE | CR4_PGE;
if (cpu_s->cpu_type == CPU_PENTIUM2D)
cpu_CR4_mask |= CR4_OSFXSR;
@@ -2479,21 +2475,6 @@ cpu_ven_reset(void)
msr.fcr |= (1 << 18) | (1 << 20);
break;
case CPU_P24T:
case CPU_PENTIUM:
case CPU_PENTIUMMMX:
msr.fcr = (1 << 8) | (1 << 9) | (1 << 12) | (1 << 16) | (1 << 19) | (1 << 21);
break;
#if defined(DEV_BRANCH) && defined(USE_CYRIX_6X86)
case CPU_Cx6x86:
case CPU_Cx6x86L:
case CPU_CxGX1:
case CPU_Cx6x86MX:
msr.fcr = (1 << 8) | (1 << 9) | (1 << 12) | (1 << 16) | (1 << 19) | (1 << 21);
break;
#endif
case CPU_K6_2P:
case CPU_K6_3P:
case CPU_K6_3:
@@ -2507,14 +2488,12 @@ cpu_ven_reset(void)
#endif
case CPU_K6:
msr.amd_efer = (cpu_s->cpu_type >= CPU_K6_2C) ? 2ULL : 0ULL;
msr.fcr = (1 << 8) | (1 << 9) | (1 << 12) | (1 << 16) | (1 << 19) | (1 << 21);
break;
case CPU_PENTIUMPRO:
case CPU_PENTIUM2:
case CPU_PENTIUM2D:
msr.mtrr_cap = 0x00000508ULL;
msr.fcr = (1 << 8) | (1 << 9) | (1 << 12) | (1 << 16) | (1 << 19) | (1 << 21);
break;
case CPU_CYRIX3S: