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Added Celeron emulation.

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This commit is contained in:
SarahW 2020-06-30 21:20:53 +01:00
commit 5b2087f84d
3 changed files with 28 additions and 1 deletions
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15
src/cpu.c
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@ -1056,6 +1056,8 @@ void cpu_set()
break;
case CPU_PENTIUM_2:
case CPU_CELERON:
case CPU_CELERON_A:
x86_setopcodes(ops_386, ops_pentium2_0f, dynarec_ops_386, dynarec_ops_pentium2_0f);
x86_dynarec_opcodes_da_a16 = dynarec_ops_fpu_686_da_a16;
x86_dynarec_opcodes_da_a32 = dynarec_ops_fpu_686_da_a32;
@ -1652,6 +1654,8 @@ void cpu_CPUID()
break;
case CPU_PENTIUM_2:
case CPU_CELERON:
case CPU_CELERON_A:
if (!EAX)
{
EAX = 0x00000002;
@ -1670,7 +1674,12 @@ void cpu_CPUID()
EAX = 0x03020101;
EBX = 0;
ECX = 0;
EDX = 0x08040c43;
if (models[model].cpu[cpu_manufacturer].cpus[cpu].cpu_type == CPU_PENTIUM_2)
EDX = 0x08040c43; /*512kb L2 cache*/
else if (models[model].cpu[cpu_manufacturer].cpus[cpu].cpu_type == CPU_CELERON)
EDX = 0x08040c40; /*No L2 cache*/
else
EDX = 0x08040c41; /*128kb L2 cache*/
}
else
EAX = EBX = ECX = EDX = 0;
@ -1752,6 +1761,8 @@ void cpu_RDMSR()
break;
case CPU_PENTIUMPRO:
case CPU_PENTIUM_2:
case CPU_CELERON:
case CPU_CELERON_A:
EAX = EDX = 0;
switch (ECX)
{
@ -1859,6 +1870,8 @@ void cpu_WRMSR()
break;
case CPU_PENTIUMPRO:
case CPU_PENTIUM_2:
case CPU_CELERON:
case CPU_CELERON_A:
switch (ECX)
{
case 0x10: