blob: 4135208a3a04d95938a6e074fc5141bb621884ad (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
TITLE SecEntry.asm
;------------------------------------------------------------------------------
;*
;* Copyright (c) 2006 - 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.
;*
;* CpuAsm.asm
;*
;* Abstract:
;*
;------------------------------------------------------------------------------
#include <Base.h>
.code
EXTERN SecCoreStartupWithStack:PROC
;
; SecCore Entry Point
;
; Processor is in flat protected mode
;
; @param[in] RAX Initial value of the EAX register (BIST: Built-in Self Test)
; @param[in] DI 'BP': boot-strap processor, or 'AP': application processor
; @param[in] RBP Pointer to the start of the Boot Firmware Volume
;
; @return None This routine does not return
;
_ModuleEntryPoint PROC PUBLIC
;
; Load temporary RAM stack based on PCDs
;
SEC_TOP_OF_STACK EQU (FixedPcdGet32 (PcdOvmfSecPeiTempRamBase) + \
FixedPcdGet32 (PcdOvmfSecPeiTempRamSize))
mov rsp, SEC_TOP_OF_STACK
nop
;
; Setup parameters and call SecCoreStartupWithStack
; rcx: BootFirmwareVolumePtr
; rdx: TopOfCurrentStack
;
mov rcx, rbp
mov rdx, rsp
sub rsp, 20h
call SecCoreStartupWithStack
_ModuleEntryPoint ENDP
END
|
