We enabled X64 native version NT32, and made it works on Windows 7 X64 OS.
Signed-off-by: Jiamin Ma <mjmthy@gmail.com> Reviewed by: Ruiyu Ni <ruiyu.ni@intel.com> Reviewed by: Liming Gao <liming.gao@intel.com> Reviewed by: Jiewen Yao <jiewen.yao@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14766 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
110
Nt32Pkg/Sec/StackX64.asm
Normal file
110
Nt32Pkg/Sec/StackX64.asm
Normal file
@@ -0,0 +1,110 @@
|
||||
;------------------------------------------------------------------------------
|
||||
;
|
||||
; Copyright (c) 2013, Intel Corporation. All rights reserved.<BR>
|
||||
; This program and the accompanying materials
|
||||
; are licensed and made available under the terms and conditions of the BSD License
|
||||
; which accompanies this distribution. The full text of the license may be found at
|
||||
; http://opensource.org/licenses/bsd-license.php
|
||||
;
|
||||
; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||
; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||
;
|
||||
; Module Name:
|
||||
;
|
||||
; Stack.asm
|
||||
;
|
||||
; Abstract:
|
||||
;
|
||||
; Switch the stack from temporary memory to permenent memory.
|
||||
;
|
||||
;------------------------------------------------------------------------------
|
||||
|
||||
.code
|
||||
|
||||
;------------------------------------------------------------------------------
|
||||
; VOID
|
||||
; EFIAPI
|
||||
; SecSwitchStack (
|
||||
; UINT32 TemporaryMemoryBase,
|
||||
; UINT32 PermenentMemoryBase
|
||||
; );
|
||||
;------------------------------------------------------------------------------
|
||||
SecSwitchStack PROC
|
||||
mov [rsp + 08h], rcx
|
||||
mov [rsp + 10h], rdx
|
||||
|
||||
;
|
||||
; Save three register: eax, ebx, ecx
|
||||
;
|
||||
push rax
|
||||
push rbx
|
||||
push rcx
|
||||
push rdx
|
||||
|
||||
;
|
||||
; !!CAUTION!! this function address's is pushed into stack after
|
||||
; migration of whole temporary memory, so need save it to permenent
|
||||
; memory at first!
|
||||
;
|
||||
|
||||
mov rbx, [rsp + 28h] ; Save the first parameter
|
||||
mov rcx, [rsp + 30h] ; Save the second parameter
|
||||
|
||||
;
|
||||
; Save this function's return address into permenent memory at first.
|
||||
; Then, Fixup the esp point to permenent memory
|
||||
;
|
||||
mov rax, rsp
|
||||
sub rax, rbx
|
||||
add rax, rcx
|
||||
mov rdx, qword ptr [rsp] ; copy pushed register's value to permenent memory
|
||||
mov qword ptr [rax], rdx
|
||||
mov rdx, qword ptr [rsp + 8]
|
||||
mov qword ptr [rax + 8], rdx
|
||||
mov rdx, qword ptr [rsp + 10h]
|
||||
mov qword ptr [rax + 10h], rdx
|
||||
mov rdx, qword ptr [rsp + 18h]
|
||||
mov qword ptr [rax + 18h], rdx
|
||||
mov rdx, qword ptr [rsp + 20h] ; Update this function's return address into permenent memory
|
||||
mov qword ptr [rax + 20h], rdx
|
||||
mov rsp, rax ; From now, esp is pointed to permenent memory
|
||||
|
||||
;
|
||||
; Fixup the ebp point to permenent memory
|
||||
;
|
||||
mov rax, rbp
|
||||
sub rax, rbx
|
||||
add rax, rcx
|
||||
mov rbp, rax ; From now, ebp is pointed to permenent memory
|
||||
|
||||
pop rdx
|
||||
pop rcx
|
||||
pop rbx
|
||||
pop rax
|
||||
ret
|
||||
SecSwitchStack ENDP
|
||||
|
||||
;------------------------------------------------------------------------------
|
||||
; VOID
|
||||
; EFIAPI
|
||||
; PeiSwitchStacks (
|
||||
; IN SWITCH_STACK_ENTRY_POINT EntryPoint,
|
||||
; IN VOID *Context1, OPTIONAL
|
||||
; IN VOID *Context2, OPTIONAL
|
||||
; IN VOID *Context3, OPTIONAL
|
||||
; IN VOID *NewStack
|
||||
; )
|
||||
;------------------------------------------------------------------------------
|
||||
PeiSwitchStacks PROC
|
||||
mov rax, rcx
|
||||
mov rcx, rdx
|
||||
mov rdx, r8
|
||||
mov r8, r9
|
||||
mov rsp, [rsp + 28h]
|
||||
sub rsp, 20h
|
||||
call rax
|
||||
jmp $
|
||||
ret
|
||||
PeiSwitchStacks ENDP
|
||||
|
||||
END
|
Reference in New Issue
Block a user