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Merge pull request #778 from nerd73/master

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Improved EBL_CR_POWERON MSR
This commit is contained in:
OBattler
2020-05-31 07:17:55 +02:00
committed by GitHub
parent 285b01679b 5596855871
commit 131a17bb4b
1 changed files with 49 additions and 15 deletions
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64
src/cpu_common/cpu.c
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@@ -2414,27 +2414,31 @@ void cpu_RDMSR()
EAX = tsc & 0xffffffff;
EDX = tsc >> 32;
break;
case 0x2a:
case 0x2A:
EAX = 0xC4000000;
EDX = 0;
if (cpu_dmulti == 3)
EAX = ((0 << 25) | (0 << 24) | (0 << 23) | (1 << 22));
EAX |= ((0 << 25) | (0 << 24) | (0 << 23) | (1 << 22));
else if (cpu_dmulti == 3.5)
EAX = ((0 << 25) | (1 << 24) | (0 << 23) | (1 << 22));
EAX |= ((0 << 25) | (1 << 24) | (0 << 23) | (1 << 22));
else if (cpu_dmulti == 4)
EAX = ((0 << 25) | (0 << 24) | (1 << 23) | (0 << 22));
EAX |= ((0 << 25) | (0 << 24) | (1 << 23) | (0 << 22));
else if (cpu_dmulti == 4.5)
EAX = ((0 << 25) | (1 << 24) | (1 << 23) | (0 << 22));
EAX |= ((0 << 25) | (1 << 24) | (1 << 23) | (0 << 22));
else if (cpu_dmulti == 5)
EAX = 0;
EAX |= 0;
else if (cpu_dmulti == 5.5)
EAX = ((0 << 25) | (1 << 24) | (0 << 23) | (0 << 22));
EAX |= ((0 << 25) | (1 << 24) | (0 << 23) | (0 << 22));
else if (cpu_dmulti == 6)
EAX = ((1 << 25) | (0 << 24) | (1 << 23) | (1 << 22));
EAX |= ((1 << 25) | (0 << 24) | (1 << 23) | (1 << 22));
else if (cpu_dmulti == 6.5)
EAX = ((1 << 25) | (1 << 24) | (1 << 23) | (1 << 22));
EAX |= ((1 << 25) | (1 << 24) | (1 << 23) | (1 << 22));
else if (cpu_dmulti == 7)
EAX = ((1 << 25) | (0 << 24) | (0 << 23) | (1 << 22));
EAX |= ((1 << 25) | (0 << 24) | (0 << 23) | (1 << 22));
else
EAX = ((0 << 25) | (0 << 24) | (0 << 23) | (1 << 22));
EAX |= ((0 << 25) | (0 << 24) | (0 << 23) | (1 << 22));
if (cpu_busspeed >= 84000000)
EAX |= (1 << 19);
break;
case 0x1107:
EAX = msr.fcr;
@@ -2740,8 +2744,38 @@ void cpu_RDMSR()
/* pclog("APIC_BASE read : %08X%08X\n", EDX, EAX); */
break;
case 0x2A:
EAX = 0xC5800000;
EDX = 0;
EAX = 0xC4000000;
EDX = 0;
if (cpu_dmulti == 2.5)
EAX |= ((0 << 25) | (1 << 24) | (1 << 23) | (1 << 22));
else if (cpu_dmulti == 3)
EAX |= ((0 << 25) | (0 << 24) | (0 << 23) | (1 << 22));
else if (cpu_dmulti == 3.5)
EAX |= ((0 << 25) | (1 << 24) | (0 << 23) | (1 << 22));
else if (cpu_dmulti == 4)
EAX |= ((0 << 25) | (0 << 24) | (1 << 23) | (0 << 22));
else if (cpu_dmulti == 4.5)
EAX |= ((0 << 25) | (1 << 24) | (1 << 23) | (0 << 22));
else if (cpu_dmulti == 5)
EAX |= 0;
else if (cpu_dmulti == 5.5)
EAX |= ((0 << 25) | (1 << 24) | (0 << 23) | (0 << 22));
else if (cpu_dmulti == 6)
EAX |= ((1 << 25) | (0 << 24) | (1 << 23) | (1 << 22));
else if (cpu_dmulti == 6.5)
EAX |= ((1 << 25) | (1 << 24) | (1 << 23) | (1 << 22));
else if (cpu_dmulti == 7)
EAX |= ((1 << 25) | (0 << 24) | (0 << 23) | (1 << 22));
else if (cpu_dmulti == 7.5)
EAX |= ((1 << 25) | (1 << 24) | (0 << 23) | (1 << 22));
else if (cpu_dmulti == 8)
EAX |= ((1 << 25) | (0 << 24) | (1 << 23) | (0 << 22));
else
EAX |= ((0 << 25) | (1 << 24) | (1 << 23) | (1 << 22));
if (machines[machine].cpu[cpu_manufacturer].cpus[cpu].cpu_type != CPU_PENTIUMPRO) {
if (cpu_busspeed >= 84000000)
EAX |= (1 << 19);
}
break;
case 0x79:
EAX = ecx79_msr & 0xffffffff;
@@ -3150,8 +3184,8 @@ void cpu_WRMSR()
tsc = EAX | ((uint64_t)EDX << 32);
break;
case 0x8B:
cpu_log("WRMSR: Invalid MSR: 0x8B/n"); /*Needed for Vista to correctly break on Pentium*/
x86gpf(NULL, 0);
cpu_log("WRMSR: Invalid MSR: 0x8B\n");
x86gpf(NULL, 0); /*Needed for Vista to correctly break on Pentium*/
break;
}
break;