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Adding support for a single stack, GCC check in will follow

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9697 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
AJFISH
2010-01-08 21:12:20 +00:00
parent 05d612fd39
commit 8a4d81e693
5 changed files with 215 additions and 103 deletions
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31
ArmPkg/Drivers/CpuDxe/CpuDxe.c
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@@ -14,6 +14,9 @@
#include "CpuDxe.h"
BOOLEAN gExceptionContext = FALSE;
BOOLEAN mInterruptState = FALSE;
EFI_STATUS
EFIAPI
CpuFlushCpuDataCache (
@@ -25,13 +28,13 @@ CpuFlushCpuDataCache (
{
switch (FlushType) {
case EfiCpuFlushTypeWriteBack:
WriteBackDataCacheRange((VOID *)(UINTN)Start, (UINTN)Length);
WriteBackDataCacheRange ((VOID *)(UINTN)Start, (UINTN)Length);
break;
case EfiCpuFlushTypeInvalidate:
InvalidateDataCacheRange((VOID *)(UINTN)Start, (UINTN)Length);
InvalidateDataCacheRange ((VOID *)(UINTN)Start, (UINTN)Length);
break;
case EfiCpuFlushTypeWriteBackInvalidate:
WriteBackInvalidateDataCacheRange((VOID *)(UINTN)Start, (UINTN)Length);
WriteBackInvalidateDataCacheRange ((VOID *)(UINTN)Start, (UINTN)Length);
break;
default:
return EFI_INVALID_PARAMETER;
@@ -46,9 +49,11 @@ CpuEnableInterrupt (
IN EFI_CPU_ARCH_PROTOCOL *This
)
{
if (ArmProcessorMode() != ARM_PROCESSOR_MODE_IRQ) {
ArmEnableInterrupts();
if (!gExceptionContext) {
ArmEnableInterrupts ();
}
mInterruptState = TRUE;
return EFI_SUCCESS;
}
@@ -59,9 +64,11 @@ CpuDisableInterrupt (
IN EFI_CPU_ARCH_PROTOCOL *This
)
{
if (ArmProcessorMode() != ARM_PROCESSOR_MODE_IRQ) {
ArmDisableInterrupts();
if (!gExceptionContext) {
ArmDisableInterrupts ();
}
mInterruptState = FALSE;
return EFI_SUCCESS;
}
@@ -76,7 +83,7 @@ CpuGetInterruptState (
return EFI_INVALID_PARAMETER;
}
*State = ArmGetInterruptState();
*State = mInterruptState;
return EFI_SUCCESS;
}
@@ -98,7 +105,7 @@ CpuRegisterInterruptHandler (
IN EFI_CPU_INTERRUPT_HANDLER InterruptHandler
)
{
return RegisterInterruptHandler(InterruptType, InterruptHandler);
return RegisterInterruptHandler (InterruptType, InterruptHandler);
}
EFI_STATUS
@@ -147,8 +154,8 @@ CpuDxeInitialize (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
InitializeExceptions(&mCpu);
return gBS->InstallMultipleProtocolInterfaces(&mCpuHandle, &gEfiCpuArchProtocolGuid, &mCpu, NULL);
{
InitializeExceptions (&mCpu);
return gBS->InstallMultipleProtocolInterfaces (&mCpuHandle, &gEfiCpuArchProtocolGuid, &mCpu, NULL);
}