mirror of https://github.com/acidanthera/audk.git
141 lines
2.6 KiB
NASM
141 lines
2.6 KiB
NASM
|
;------------------------------------------------------------------------------
|
||
|
|
;
|
||
|
|
; Copyright (c) 2014, 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:
|
||
|
|
;
|
||
|
|
; PeiCoreEntry.asm
|
||
|
|
;
|
||
|
|
; Abstract:
|
||
|
|
;
|
||
|
|
; Find and call SecStartup
|
||
|
|
;
|
||
|
|
;------------------------------------------------------------------------------
|
||
|
|
|
||
|
|
.686p
|
||
|
|
.xmm
|
||
|
|
.model flat, c
|
||
|
|
.code
|
||
|
|
|
||
|
|
EXTRN SecStartup:NEAR
|
||
|
|
EXTRN PlatformInit:NEAR
|
||
|
|
|
||
|
|
CallPeiCoreEntryPoint PROC PUBLIC
|
||
|
|
;
|
||
|
|
; Obtain the hob list pointer
|
||
|
|
;
|
||
|
|
mov eax, [esp+4]
|
||
|
|
;
|
||
|
|
; Obtain the stack information
|
||
|
|
; ECX: start of range
|
||
|
|
; EDX: end of range
|
||
|
|
;
|
||
|
|
mov ecx, [esp+8]
|
||
|
|
mov edx, [esp+0Ch]
|
||
|
|
|
||
|
|
;
|
||
|
|
; Platform init
|
||
|
|
;
|
||
|
|
pushad
|
||
|
|
push edx
|
||
|
|
push ecx
|
||
|
|
push eax
|
||
|
|
call PlatformInit
|
||
|
|
pop eax
|
||
|
|
pop eax
|
||
|
|
pop eax
|
||
|
|
popad
|
||
|
|
|
||
|
|
;
|
||
|
|
; Set stack top pointer
|
||
|
|
;
|
||
|
|
mov esp, edx
|
||
|
|
|
||
|
|
;
|
||
|
|
; Push the hob list pointer
|
||
|
|
;
|
||
|
|
push eax
|
||
|
|
|
||
|
|
;
|
||
|
|
; Save the value
|
||
|
|
; ECX: start of range
|
||
|
|
; EDX: end of range
|
||
|
|
;
|
||
|
|
mov ebp, esp
|
||
|
|
push ecx
|
||
|
|
push edx
|
||
|
|
|
||
|
|
;
|
||
|
|
; Push processor count to stack first, then BIST status (AP then BSP)
|
||
|
|
;
|
||
|
|
mov eax, 1
|
||
|
|
cpuid
|
||
|
|
shr ebx, 16
|
||
|
|
and ebx, 0000000FFh
|
||
|
|
cmp bl, 1
|
||
|
|
jae PushProcessorCount
|
||
|
|
|
||
|
|
;
|
||
|
|
; Some processors report 0 logical processors. Effectively 0 = 1.
|
||
|
|
; So we fix up the processor count
|
||
|
|
;
|
||
|
|
inc ebx
|
||
|
|
|
||
|
|
PushProcessorCount:
|
||
|
|
push ebx
|
||
|
|
|
||
|
|
;
|
||
|
|
; We need to implement a long-term solution for BIST capture. For now, we just copy BSP BIST
|
||
|
|
; for all processor threads
|
||
|
|
;
|
||
|
|
xor ecx, ecx
|
||
|
|
mov cl, bl
|
||
|
|
PushBist:
|
||
|
|
movd eax, mm0
|
||
|
|
push eax
|
||
|
|
loop PushBist
|
||
|
|
|
||
|
|
; Save Time-Stamp Counter
|
||
|
|
movd eax, mm5
|
||
|
|
push eax
|
||
|
|
|
||
|
|
movd eax, mm6
|
||
|
|
push eax
|
||
|
|
|
||
|
|
;
|
||
|
|
; Pass entry point of the PEI core
|
||
|
|
;
|
||
|
|
mov edi, 0FFFFFFE0h
|
||
|
|
push DWORD PTR ds:[edi]
|
||
|
|
|
||
|
|
;
|
||
|
|
; Pass BFV into the PEI Core
|
||
|
|
;
|
||
|
|
mov edi, 0FFFFFFFCh
|
||
|
|
push DWORD PTR ds:[edi]
|
||
|
|
|
||
|
|
;
|
||
|
|
; Pass stack size into the PEI Core
|
||
|
|
;
|
||
|
|
mov ecx, [ebp - 4]
|
||
|
|
mov edx, [ebp - 8]
|
||
|
|
push ecx ; RamBase
|
||
|
|
|
||
|
|
sub edx, ecx
|
||
|
|
push edx ; RamSize
|
||
|
|
|
||
|
|
;
|
||
|
|
; Pass Control into the PEI Core
|
||
|
|
;
|
||
|
|
call SecStartup
|
||
|
|
CallPeiCoreEntryPoint ENDP
|
||
|
|
|
||
|
|
END
|