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path: root/IntelFsp2Pkg/FspSecCore/SecMain.c
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Diffstat (limited to 'IntelFsp2Pkg/FspSecCore/SecMain.c')
-rw-r--r--IntelFsp2Pkg/FspSecCore/SecMain.c125
1 files changed, 62 insertions, 63 deletions
diff --git a/IntelFsp2Pkg/FspSecCore/SecMain.c b/IntelFsp2Pkg/FspSecCore/SecMain.c
index 540571187a..d376fb8361 100644
--- a/IntelFsp2Pkg/FspSecCore/SecMain.c
+++ b/IntelFsp2Pkg/FspSecCore/SecMain.c
@@ -8,11 +8,11 @@
#include "SecMain.h"
#include "SecFsp.h"
-EFI_PEI_TEMPORARY_RAM_SUPPORT_PPI gSecTemporaryRamSupportPpi = {
+EFI_PEI_TEMPORARY_RAM_SUPPORT_PPI gSecTemporaryRamSupportPpi = {
SecTemporaryRamSupport
};
-EFI_PEI_PPI_DESCRIPTOR mPeiSecPlatformInformationPpi[] = {
+EFI_PEI_PPI_DESCRIPTOR mPeiSecPlatformInformationPpi[] = {
{
EFI_PEI_PPI_DESCRIPTOR_PPI,
&gFspInApiModePpiGuid,
@@ -50,21 +50,21 @@ UINT64 mIdtEntryTemplate = 0xffff8e000008ffe4ULL;
VOID
EFIAPI
SecStartup (
- IN UINT32 SizeOfRam,
- IN UINT32 TempRamBase,
- IN VOID *BootFirmwareVolume,
- IN PEI_CORE_ENTRY PeiCore,
- IN UINT32 BootLoaderStack,
- IN UINT32 ApiIdx
+ IN UINT32 SizeOfRam,
+ IN UINT32 TempRamBase,
+ IN VOID *BootFirmwareVolume,
+ IN PEI_CORE_ENTRY PeiCore,
+ IN UINT32 BootLoaderStack,
+ IN UINT32 ApiIdx
)
{
- EFI_SEC_PEI_HAND_OFF SecCoreData;
- IA32_DESCRIPTOR IdtDescriptor;
- SEC_IDT_TABLE IdtTableInStack;
- UINT32 Index;
- FSP_GLOBAL_DATA PeiFspData;
- UINT64 ExceptionHandler;
- UINTN IdtSize;
+ EFI_SEC_PEI_HAND_OFF SecCoreData;
+ IA32_DESCRIPTOR IdtDescriptor;
+ SEC_IDT_TABLE IdtTableInStack;
+ UINT32 Index;
+ FSP_GLOBAL_DATA PeiFspData;
+ UINT64 ExceptionHandler;
+ UINTN IdtSize;
//
// Process all libraries constructor function linked to SecCore.
@@ -117,10 +117,11 @@ SecStartup (
IdtTableInStack.PeiService = 0;
AsmReadIdtr (&IdtDescriptor);
if (IdtDescriptor.Base == 0) {
- ExceptionHandler = FspGetExceptionHandler(mIdtEntryTemplate);
- for (Index = 0; Index < FixedPcdGet8(PcdFspMaxInterruptSupported); Index ++) {
- CopyMem ((VOID*)&IdtTableInStack.IdtTable[Index], (VOID*)&ExceptionHandler, sizeof (UINT64));
+ ExceptionHandler = FspGetExceptionHandler (mIdtEntryTemplate);
+ for (Index = 0; Index < FixedPcdGet8 (PcdFspMaxInterruptSupported); Index++) {
+ CopyMem ((VOID *)&IdtTableInStack.IdtTable[Index], (VOID *)&ExceptionHandler, sizeof (UINT64));
}
+
IdtSize = sizeof (IdtTableInStack.IdtTable);
} else {
IdtSize = IdtDescriptor.Limit + 1;
@@ -128,12 +129,13 @@ SecStartup (
//
// ERROR: IDT table size from boot loader is larger than FSP can support, DeadLoop here!
//
- CpuDeadLoop();
+ CpuDeadLoop ();
} else {
- CopyMem ((VOID *) (UINTN) &IdtTableInStack.IdtTable, (VOID *) IdtDescriptor.Base, IdtSize);
+ CopyMem ((VOID *)(UINTN)&IdtTableInStack.IdtTable, (VOID *)IdtDescriptor.Base, IdtSize);
}
}
- IdtDescriptor.Base = (UINTN) &IdtTableInStack.IdtTable;
+
+ IdtDescriptor.Base = (UINTN)&IdtTableInStack.IdtTable;
IdtDescriptor.Limit = (UINT16)(IdtSize - 1);
AsmWriteIdtr (&IdtDescriptor);
@@ -154,18 +156,18 @@ SecStartup (
// Support FSP reserved temporary memory from the whole temporary memory provided by bootloader.
// FSP reserved temporary memory will not be given to PeiCore.
//
- SecCoreData.TemporaryRamBase = (UINT8 *)(UINTN) TempRamBase + PcdGet32 (PcdFspPrivateTemporaryRamSize);
- SecCoreData.TemporaryRamSize = SizeOfRam - PcdGet32 (PcdFspPrivateTemporaryRamSize);
+ SecCoreData.TemporaryRamBase = (UINT8 *)(UINTN)TempRamBase + PcdGet32 (PcdFspPrivateTemporaryRamSize);
+ SecCoreData.TemporaryRamSize = SizeOfRam - PcdGet32 (PcdFspPrivateTemporaryRamSize);
if (PcdGet8 (PcdFspHeapSizePercentage) == 0) {
- SecCoreData.PeiTemporaryRamBase = SecCoreData.TemporaryRamBase;
- SecCoreData.PeiTemporaryRamSize = SecCoreData.TemporaryRamSize;
- SecCoreData.StackBase = (VOID *)GetFspEntryStack(); // Share the same boot loader stack
- SecCoreData.StackSize = 0;
+ SecCoreData.PeiTemporaryRamBase = SecCoreData.TemporaryRamBase;
+ SecCoreData.PeiTemporaryRamSize = SecCoreData.TemporaryRamSize;
+ SecCoreData.StackBase = (VOID *)GetFspEntryStack (); // Share the same boot loader stack
+ SecCoreData.StackSize = 0;
} else {
- SecCoreData.PeiTemporaryRamBase = SecCoreData.TemporaryRamBase;
- SecCoreData.PeiTemporaryRamSize = SecCoreData.TemporaryRamSize * PcdGet8 (PcdFspHeapSizePercentage) / 100;
- SecCoreData.StackBase = (VOID*)(UINTN)((UINTN)SecCoreData.TemporaryRamBase + SecCoreData.PeiTemporaryRamSize);
- SecCoreData.StackSize = SecCoreData.TemporaryRamSize - SecCoreData.PeiTemporaryRamSize;
+ SecCoreData.PeiTemporaryRamBase = SecCoreData.TemporaryRamBase;
+ SecCoreData.PeiTemporaryRamSize = SecCoreData.TemporaryRamSize * PcdGet8 (PcdFspHeapSizePercentage) / 100;
+ SecCoreData.StackBase = (VOID *)(UINTN)((UINTN)SecCoreData.TemporaryRamBase + SecCoreData.PeiTemporaryRamSize);
+ SecCoreData.StackSize = SecCoreData.TemporaryRamSize - SecCoreData.PeiTemporaryRamSize;
}
DEBUG ((DEBUG_INFO, "Fsp BootFirmwareVolumeBase - 0x%x\n", SecCoreData.BootFirmwareVolumeBase));
@@ -207,22 +209,22 @@ SecStartup (
EFI_STATUS
EFIAPI
SecTemporaryRamSupport (
- IN CONST EFI_PEI_SERVICES **PeiServices,
- IN EFI_PHYSICAL_ADDRESS TemporaryMemoryBase,
- IN EFI_PHYSICAL_ADDRESS PermanentMemoryBase,
- IN UINTN CopySize
+ IN CONST EFI_PEI_SERVICES **PeiServices,
+ IN EFI_PHYSICAL_ADDRESS TemporaryMemoryBase,
+ IN EFI_PHYSICAL_ADDRESS PermanentMemoryBase,
+ IN UINTN CopySize
)
{
- IA32_DESCRIPTOR IdtDescriptor;
- VOID* OldHeap;
- VOID* NewHeap;
- VOID* OldStack;
- VOID* NewStack;
- UINTN HeapSize;
- UINTN StackSize;
+ IA32_DESCRIPTOR IdtDescriptor;
+ VOID *OldHeap;
+ VOID *NewHeap;
+ VOID *OldStack;
+ VOID *NewStack;
+ UINTN HeapSize;
+ UINTN StackSize;
- UINTN CurrentStack;
- UINTN FspStackBase;
+ UINTN CurrentStack;
+ UINTN FspStackBase;
//
// Override OnSeparateStack to 1 because this function will switch stack to permanent memory
@@ -231,33 +233,31 @@ SecTemporaryRamSupport (
GetFspGlobalDataPointer ()->OnSeparateStack = 1;
if (PcdGet8 (PcdFspHeapSizePercentage) == 0) {
-
- CurrentStack = AsmReadEsp();
- FspStackBase = (UINTN)GetFspEntryStack();
+ CurrentStack = AsmReadEsp ();
+ FspStackBase = (UINTN)GetFspEntryStack ();
StackSize = FspStackBase - CurrentStack;
HeapSize = CopySize;
- OldHeap = (VOID*)(UINTN)TemporaryMemoryBase;
- NewHeap = (VOID*)((UINTN)PermanentMemoryBase);
+ OldHeap = (VOID *)(UINTN)TemporaryMemoryBase;
+ NewHeap = (VOID *)((UINTN)PermanentMemoryBase);
- OldStack = (VOID*)CurrentStack;
+ OldStack = (VOID *)CurrentStack;
//
- //The old stack is copied at the end of the stack region because stack grows down.
+ // The old stack is copied at the end of the stack region because stack grows down.
//
- NewStack = (VOID*)((UINTN)PermanentMemoryBase - StackSize);
-
+ NewStack = (VOID *)((UINTN)PermanentMemoryBase - StackSize);
} else {
- HeapSize = CopySize * PcdGet8 (PcdFspHeapSizePercentage) / 100 ;
- StackSize = CopySize - HeapSize;
+ HeapSize = CopySize * PcdGet8 (PcdFspHeapSizePercentage) / 100;
+ StackSize = CopySize - HeapSize;
- OldHeap = (VOID*)(UINTN)TemporaryMemoryBase;
- NewHeap = (VOID*)((UINTN)PermanentMemoryBase + StackSize);
-
- OldStack = (VOID*)((UINTN)TemporaryMemoryBase + HeapSize);
- NewStack = (VOID*)(UINTN)PermanentMemoryBase;
+ OldHeap = (VOID *)(UINTN)TemporaryMemoryBase;
+ NewHeap = (VOID *)((UINTN)PermanentMemoryBase + StackSize);
+ OldStack = (VOID *)((UINTN)TemporaryMemoryBase + HeapSize);
+ NewStack = (VOID *)(UINTN)PermanentMemoryBase;
}
+
//
// Migrate Heap
//
@@ -268,7 +268,6 @@ SecTemporaryRamSupport (
//
CopyMem (NewStack, OldStack, StackSize);
-
//
// We need *not* fix the return address because currently,
// The PeiCore is executed in flash.
@@ -293,8 +292,8 @@ SecTemporaryRamSupport (
// permanent memory.
//
SecSwitchStack (
- (UINT32) (UINTN) OldStack,
- (UINT32) (UINTN) NewStack
+ (UINT32)(UINTN)OldStack,
+ (UINT32)(UINTN)NewStack
);
return EFI_SUCCESS;
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-18 00:08:01 +0000