sravan/system76-edk2
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1. Updated function headers in all assembly files.

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2. Split x86LowLevel.c into a bunch of C files to make images linked with BaseLib smaller.
3. Fixed a few minor bugs.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1066 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
bxing
2006-07-21 08:47:38 +00:00
parent 31a9215c32
commit 3f566587ae
252 changed files with 1840 additions and 2009 deletions
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21
MdePkg/Library/BaseLib/X64/Thunk16.asm
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@@ -61,6 +61,10 @@ SavedGdt LABEL FWORD
DW ?
DQ ?
;------------------------------------------------------------------------------
; _BackFromUserCode() takes control in real mode after 'retf' has been executed
; by user code. It will be shadowed to somewhere in memory below 1MB.
;------------------------------------------------------------------------------
_BackFromUserCode PROC
DB 16h ; push ss
DB 0eh ; push cs
@@ -125,6 +129,10 @@ _16Gdtr LABEL FWORD
_16GdtrBase DQ _NullSegDesc
_16Idtr FWORD (1 SHL 10) - 1
;------------------------------------------------------------------------------
; _ToUserCode() takes control in real mode before passing control to user code.
; It will be shadowed to somewhere in memory below 1MB.
;------------------------------------------------------------------------------
_ToUserCode PROC
mov edi, ss
mov ss, edx ; set new segment selectors
@@ -184,11 +192,14 @@ _16DsDesc LABEL QWORD
DB 0
GdtEnd LABEL QWORD
;
; @param RegSet Pointer to a IA32_DWORD_REGS structure
; @param Transition Pointer to the transition code
; @return The address of the 16-bit stack after returning from user code
;
;------------------------------------------------------------------------------
; IA32_REGISTER_SET *
; EFIAPI
; InternalAsmThunk16 (
; IN IA32_REGISTER_SET *RegisterSet,
; IN OUT VOID *Transition
; );
;------------------------------------------------------------------------------
InternalAsmThunk16 PROC USES rbp rbx rsi rdi
mov r10d, ds
mov r11d, es