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[ROSLOAD] Disable some arch-specific code for arm

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This commit is contained in:
Mark Jansen 2019-08-18 19:02:46 +02:00
parent 28b866cc9c
commit 9592728f55
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GPG key ID: B39240EE84BEAE8B
1 changed files with 12 additions and 3 deletions
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15
boot/environ/app/rosload/rosload.c
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@ -882,7 +882,7 @@ ArchRestoreProcessorFeatures (
if (ArchXCr0BitsToClear)
{
/* Clear them */
#if defined(_MSC_VER) && !defined(__clang__)
#if defined(_MSC_VER) && !defined(__clang__) && !defined(_M_ARM)
__xsetbv(0, __xgetbv(0) & ~ArchXCr0BitsToClear);
#endif
ArchXCr0BitsToClear = 0;
@ -892,7 +892,9 @@ ArchRestoreProcessorFeatures (
if (ArchCr4BitsToClear)
{
/* Clear them */
#if !defined(_M_ARM)
__writecr4(__readcr4() & ~ArchCr4BitsToClear);
#endif
ArchCr4BitsToClear = 0;
}
}
@ -979,10 +981,11 @@ OslpMain (
_Out_ PULONG ReturnFlags
)
{
CPU_INFO CpuInfo;
BOOLEAN NxEnabled;
NTSTATUS Status;
BOOLEAN ExecuteJump;
#if !defined(_M_ARM)
CPU_INFO CpuInfo;
BOOLEAN NxEnabled;
LARGE_INTEGER MiscMsr;
/* Check if the CPU supports NX */
@ -1006,6 +1009,8 @@ OslpMain (
/* Turn on NX support with the CPU-generic MSR */
__writemsr(MSR_EFER, __readmsr(MSR_EFER) | MSR_NXE);
#endif
/* Load the kernel */
Status = OslPrepareTarget(ReturnFlags, &ExecuteJump);
if (NT_SUCCESS(Status) && (ExecuteJump))
@ -1014,6 +1019,7 @@ OslpMain (
Status = OslExecuteTransition();
}
#if !defined(_M_ARM)
/* Retore NX support */
__writemsr(MSR_EFER, __readmsr(MSR_EFER) ^ MSR_NXE);
@ -1026,6 +1032,7 @@ OslpMain (
__writemsr(MSR_IA32_MISC_ENABLE, MiscMsr.QuadPart);
}
#endif
/* Go back */
return Status;
}
@ -1073,6 +1080,7 @@ OslMain (
goto Quickie;
}
#if !defined(_M_ARM)
/* Check if CPUID 01h is supported */
if (BlArchIsCpuIdFunctionSupported(1))
{
@ -1085,6 +1093,7 @@ OslMain (
EfiPrintf(L"PAE Supported, but won't be used\r\n");
}
}
#endif
/* Setup the boot library parameters for this application */
BlSetupDefaultParameters(&LibraryParameters);