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More checks for SSE

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This commit is contained in:
Alex 2023-01-04 06:44:55 +02:00
parent 3ab856feca
commit fd477325a3
Signed by untrusted user who does not match committer: enderice2
GPG Key ID: EACC3AD603BAB4DD
1 changed files with 21 additions and 19 deletions
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40
Core/CPU.cpp
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@ -228,27 +228,29 @@ namespace CPU
bool SSEEnableAfter = false; bool SSEEnableAfter = false;
if (strcmp(CPU::Hypervisor(), x86_CPUID_VENDOR_TCG) != 0) /* Not sure if my code is not working properly or something else is the issue. */ /* Not sure if my code is not working properly or something else is the issue. */
if (SSESupport) if ((strcmp(Hypervisor(), x86_CPUID_VENDOR_TCG) != 0 &&
{ strcmp(Hypervisor(), x86_CPUID_VENDOR_VIRTUALBOX) != 0) &&
debug("Enabling SSE support..."); SSESupport)
if (!BSP) {
KPrint("SSE is supported."); debug("Enabling SSE support...");
cr0.EM = 0; if (!BSP)
cr0.MP = 1; KPrint("SSE is supported.");
cr4.OSFXSR = 1; cr0.EM = 0;
cr4.OSXMMEXCPT = 1; cr0.MP = 1;
cr4.OSFXSR = 1;
cr4.OSXMMEXCPT = 1;
CPUData *CoreData = GetCPU(Core); CPUData *CoreData = GetCPU(Core);
CoreData->Data.FPU = (CPU::x64::FXState *)KernelAllocator.RequestPages(TO_PAGES(sizeof(CPU::x64::FXState))); CoreData->Data.FPU = (CPU::x64::FXState *)KernelAllocator.RequestPages(TO_PAGES(sizeof(CPU::x64::FXState)));
memset(CoreData->Data.FPU, 0, FROM_PAGES(TO_PAGES(sizeof(CPU::x64::FXState)))); memset(CoreData->Data.FPU, 0, FROM_PAGES(TO_PAGES(sizeof(CPU::x64::FXState))));
CoreData->Data.FPU->mxcsr = 0b0001111110000000; CoreData->Data.FPU->mxcsr = 0b0001111110000000;
CoreData->Data.FPU->mxcsrmask = 0b1111111110111111; CoreData->Data.FPU->mxcsrmask = 0b1111111110111111;
CoreData->Data.FPU->fcw = 0b0000001100111111; CoreData->Data.FPU->fcw = 0b0000001100111111;
CPU::x64::fxrstor(CoreData->Data.FPU); CPU::x64::fxrstor(CoreData->Data.FPU);
SSEEnableAfter = true; SSEEnableAfter = true;
} }
if (!BSP) if (!BSP)
KPrint("Enabling CPU cache."); KPrint("Enabling CPU cache.");