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authorqhuang8 <qhuang8@6f19259b-4bc3-4df7-8a09-765794883524>2008-07-16 13:17:50 +0000
committerqhuang8 <qhuang8@6f19259b-4bc3-4df7-8a09-765794883524>2008-07-16 13:17:50 +0000
commitb98da1b1f9b726f580d05f8680455122ba924da6 (patch)
tree044866ae28f1a5ce4696f75bc350fda37faa3cfb /MdeModulePkg/Core/DxeIplPeim/Ia32
parentf8ea30263caf89a7ebefa417a642beea3db15ad7 (diff)
downloadedk2-platforms-b98da1b1f9b726f580d05f8680455122ba924da6.tar.xz
Code Scrub DxeIpl module.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5502 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Core/DxeIplPeim/Ia32')
-rw-r--r--MdeModulePkg/Core/DxeIplPeim/Ia32/DxeLoadFunc.c17
-rw-r--r--MdeModulePkg/Core/DxeIplPeim/Ia32/ImageRead.c8
2 files changed, 9 insertions, 16 deletions
diff --git a/MdeModulePkg/Core/DxeIplPeim/Ia32/DxeLoadFunc.c b/MdeModulePkg/Core/DxeIplPeim/Ia32/DxeLoadFunc.c
index 7dfb3407b4..4458ddd8ff 100644
--- a/MdeModulePkg/Core/DxeIplPeim/Ia32/DxeLoadFunc.c
+++ b/MdeModulePkg/Core/DxeIplPeim/Ia32/DxeLoadFunc.c
@@ -18,7 +18,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
//
// Global Descriptor Table (GDT)
//
-GLOBAL_REMOVE_IF_UNREFERENCED IA32_GDT gGdtEntries [] = {
+GLOBAL_REMOVE_IF_UNREFERENCED IA32_GDT gGdtEntries[] = {
/* selector { Global Segment Descriptor } */
/* 0x00 */ {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, //null descriptor
/* 0x08 */ {{0xffff, 0, 0, 0x2, 1, 0, 1, 0xf, 0, 0, 1, 1, 0}}, //linear data segment descriptor
@@ -44,10 +44,6 @@ GLOBAL_REMOVE_IF_UNREFERENCED IA32_DESCRIPTOR gLidtDescriptor = {
0
};
-
-
-
-
/**
Transfers control to DxeCore.
@@ -93,7 +89,7 @@ HandOffToDxeCore (
TopOfStack = BaseOfStack + EFI_SIZE_TO_PAGES (STACK_SIZE) * EFI_PAGE_SIZE - 32;
//
- // X64 Calling Conventions requires that the stack must be aligned to 16 bytes
+ // x64 Calling Conventions requires that the stack must be aligned to 16 bytes
//
TopOfStack = (EFI_PHYSICAL_ADDRESS) (UINTN) ALIGN_POINTER (TopOfStack, 16);
@@ -128,7 +124,6 @@ HandOffToDxeCore (
EFI_SIZE_TO_PAGES((SizeOfTemplate + sizeof (X64_IDT_GATE_DESCRIPTOR)) * 32),
&VectorAddress
);
-
ASSERT_EFI_ERROR (Status);
IdtTable = (X64_IDT_GATE_DESCRIPTOR *) (UINTN) (VectorAddress + SizeOfTemplate * 32);
@@ -152,7 +147,8 @@ HandOffToDxeCore (
AsmWriteIdtr (&gLidtDescriptor);
}
//
- // Go to Long Mode. Interrupts will not get turned on until the CPU AP is loaded.
+ // Go to Long Mode and transfer control to DxeCore.
+ // Interrupts will not get turned on until the CPU AP is loaded.
// Call x64 drivers passing in single argument, a pointer to the HOBs.
//
AsmEnablePaging64 (
@@ -180,7 +176,10 @@ HandOffToDxeCore (
// Update the contents of BSP stack HOB to reflect the real stack info passed to DxeCore.
//
UpdateStackHob (BaseOfStack, STACK_SIZE);
-
+
+ //
+ // Transfer the control to the entry point of DxeCore.
+ //
SwitchStack (
(SWITCH_STACK_ENTRY_POINT)(UINTN)DxeCoreEntryPoint,
HobList.Raw,
diff --git a/MdeModulePkg/Core/DxeIplPeim/Ia32/ImageRead.c b/MdeModulePkg/Core/DxeIplPeim/Ia32/ImageRead.c
index bca3180aad..a303c90721 100644
--- a/MdeModulePkg/Core/DxeIplPeim/Ia32/ImageRead.c
+++ b/MdeModulePkg/Core/DxeIplPeim/Ia32/ImageRead.c
@@ -14,10 +14,6 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include "DxeIpl.h"
-
-
-
-
/**
Support routine for the PE/COFF Loader that reads a buffer from a PE/COFF file
@@ -50,8 +46,6 @@ PeiImageRead (
//
// This function assumes 32-bit alignment to increase performance
//
-// ASSERT (ALIGN_POINTER (Destination32, sizeof (UINT32)) == Destination32);
-// ASSERT (ALIGN_POINTER (Source32, sizeof (UINT32)) == Source32);
Length = *ReadSize;
while (Length-- != 0) {
@@ -72,7 +66,7 @@ PeiImageRead (
@param ImageContext A pointer to the structure of
PE_COFF_LOADER_IMAGE_CONTEXT
- @retval EFI_SUCCESS This function always return EFI_SUCCESS.
+ @retval EFI_SUCCESS This function always returns EFI_SUCCESS.
**/
EFI_STATUS