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Add dual FSP binaries support.

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There are two FSP images at different locations in a flash (one factory version is read only and other in updatable version)
TempRamInit, FspMemoryInit and TempRamExit are executed from factory version and FspSiliconInit/NotifyPhase will be executed from updatable version.

Also update FSP specification version to v1.1.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: "Ma, Maurice" <maurice.ma@intel.com>
Reviewed-by: "Yao, Jiewen" <Jiewen.Yao@intel.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17248 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Ma, Maurice
2015-04-29 03:10:24 +00:00
committed by jyao1
parent 2bf87d82e9
commit 3b17b24587
12 changed files with 115 additions and 31 deletions
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24
IntelFspPkg/Library/BaseFspSwitchStackLib/Ia32/Stack.asm
View File

@@ -1,6 +1,6 @@
;------------------------------------------------------------------------------
;
; Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>
; Copyright (c) 2014 - 2015, 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
@@ -28,7 +28,8 @@
;------------------------------------------------------------------------------
EXTERNDEF C MeasurePoint:PROC
Pei2LoaderSwitchStack PROC C PUBLIC
jmp Loader2PeiSwitchStack
xor eax, eax
jmp FspSwitchStack
Pei2LoaderSwitchStack ENDP
;------------------------------------------------------------------------------
@@ -38,10 +39,21 @@ Pei2LoaderSwitchStack ENDP
; VOID
; )
;------------------------------------------------------------------------------
EXTERNDEF C SwapStack:PROC
Loader2PeiSwitchStack PROC C PUBLIC
jmp FspSwitchStack
Loader2PeiSwitchStack ENDP
;------------------------------------------------------------------------------
; UINT32
; EFIAPI
; FspSwitchStack (
; VOID
; )
;------------------------------------------------------------------------------
EXTERNDEF C SwapStack:PROC
FspSwitchStack PROC C PUBLIC
; Save current contexts
push offset exit
push eax
pushfd
cli
pushad
@@ -58,8 +70,8 @@ Loader2PeiSwitchStack PROC C PUBLIC
add esp, 8
popad
popfd
exit:
add esp, 4
ret
Loader2PeiSwitchStack ENDP
FspSwitchStack ENDP
END

19
IntelFspPkg/Library/BaseFspSwitchStackLib/Ia32/Stack.s
View File

@@ -25,20 +25,33 @@
#------------------------------------------------------------------------------
ASM_GLOBAL ASM_PFX(Pei2LoaderSwitchStack)
ASM_PFX(Pei2LoaderSwitchStack):
jmp ASM_PFX(Loader2PeiSwitchStack)
xorl %eax, %eax
jmp ASM_PFX(FspSwitchStack)
#------------------------------------------------------------------------------
# UINT32
# EFIAPI
# Loader2PeiSwitchStack (
# VOID
# )
#------------------------------------------------------------------------------
ASM_GLOBAL ASM_PFX(Loader2PeiSwitchStack)
ASM_PFX(Loader2PeiSwitchStack):
jmp ASM_PFX(FspSwitchStack)
#------------------------------------------------------------------------------
# UINT32
# EFIAPI
# FspSwitchStack (
# VOID
# )
#------------------------------------------------------------------------------
ASM_GLOBAL ASM_PFX(FspSwitchStack)
ASM_PFX(FspSwitchStack):
#
#Save current contexts
#
push $exit
push %eax
pushf
cli
pusha
@@ -59,7 +72,7 @@ ASM_PFX(Loader2PeiSwitchStack):
add $0x08,%esp
popa
popf
exit:
add $0x04,%esp
ret