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1. Refine debug agent library.

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2. DxeCore and DxeIpl consume debug agent library. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10119 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
vanjeff
2010-02-27 17:04:12 +00:00
parent 53f3249595
commit e7af83aece
8 changed files with 61 additions and 37 deletions
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15
MdeModulePkg/Core/DxeIplPeim/Ia32/DxeLoadFunc.c
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@@ -15,6 +15,8 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include "DxeIpl.h"
#include "VirtualMemory.h"
#define IDT_ENTRY_COUNT 33
//
// Global Descriptor Table (GDT)
//
@@ -40,7 +42,7 @@ GLOBAL_REMOVE_IF_UNREFERENCED CONST IA32_DESCRIPTOR gGdt = {
};
GLOBAL_REMOVE_IF_UNREFERENCED IA32_DESCRIPTOR gLidtDescriptor = {
sizeof (X64_IDT_GATE_DESCRIPTOR) * 32 - 1,
sizeof (X64_IDT_GATE_DESCRIPTOR) * IDT_ENTRY_COUNT - 1,
0
};
@@ -118,13 +120,13 @@ HandOffToDxeCore (
Status = PeiServicesAllocatePages (
EfiBootServicesData,
EFI_SIZE_TO_PAGES((SizeOfTemplate + sizeof (X64_IDT_GATE_DESCRIPTOR)) * 32),
EFI_SIZE_TO_PAGES((SizeOfTemplate + sizeof (X64_IDT_GATE_DESCRIPTOR)) * IDT_ENTRY_COUNT),
&VectorAddress
);
ASSERT_EFI_ERROR (Status);
IdtTable = (X64_IDT_GATE_DESCRIPTOR *) (UINTN) (VectorAddress + SizeOfTemplate * 32);
for (Index = 0; Index < 32; Index++) {
IdtTable = (X64_IDT_GATE_DESCRIPTOR *) (UINTN) (VectorAddress + SizeOfTemplate * IDT_ENTRY_COUNT);
for (Index = 0; Index < IDT_ENTRY_COUNT; Index++) {
IdtTable[Index].Ia32IdtEntry.Bits.GateType = 0x8e;
IdtTable[Index].Ia32IdtEntry.Bits.Reserved_0 = 0;
IdtTable[Index].Ia32IdtEntry.Bits.Selector = SYS_CODE64_SEL;
@@ -142,6 +144,11 @@ HandOffToDxeCore (
gLidtDescriptor.Base = (UINTN) IdtTable;
//
// Disable interrupt of Debug timer, since new IDT table cannot handle it.
//
SaveAndSetDebugTimerInterrupt (FALSE);
AsmWriteIdtr (&gLidtDescriptor);
//