X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=IntelFspPkg%2FFspSecCore%2FIa32%2FFspApiEntry.asm;h=6c330833e047e19204a819cdc9e2fac25d55b68b;hb=d5fb1edfb16a2af29486ffbf5aa32a036da9caa4;hp=219b0ee9c18a80c549a4d3f24f3ec5e52f3ab7d6;hpb=6cffee0cb04e0605126d9436e2acf073aa0679bf;p=mirror_edk2.git
diff --git a/IntelFspPkg/FspSecCore/Ia32/FspApiEntry.asm b/IntelFspPkg/FspSecCore/Ia32/FspApiEntry.asm
index 219b0ee9c1..6c330833e0 100644
--- a/IntelFspPkg/FspSecCore/Ia32/FspApiEntry.asm
+++ b/IntelFspPkg/FspSecCore/Ia32/FspApiEntry.asm
@@ -1,6 +1,7 @@
-;------------------------------------------------------------------------------
+;; @file
+; Provide FSP API entry points.
;
-; Copyright (c) 2014, Intel Corporation. All rights reserved.
+; Copyright (c) 2014 - 2015, Intel Corporation. All rights reserved.
; 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
@@ -8,12 +9,7 @@
;
; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-;
-; Abstract:
-;
-; Provide FSP API entry points.
-;
-;------------------------------------------------------------------------------
+;;
.586p
.model flat,C
@@ -29,11 +25,12 @@ INCLUDE UcodeLoad.inc
EXTERN PcdGet32(PcdTemporaryRamBase):DWORD
EXTERN PcdGet32(PcdTemporaryRamSize):DWORD
EXTERN PcdGet32(PcdFspTemporaryRamSize):DWORD
+EXTERN PcdGet32(PcdFspAreaSize):DWORD
;
; Following functions will be provided in C
;
-EXTERN FspImageSizeOffset:DWORD
+
EXTERN SecStartup:PROC
EXTERN FspApiCallingCheck:PROC
@@ -42,11 +39,12 @@ EXTERN FspApiCallingCheck:PROC
;
EXTERN GetFspBaseAddress:PROC
EXTERN GetBootFirmwareVolumeOffset:PROC
-EXTERN PlatformTempRamInit:PROC
EXTERN Pei2LoaderSwitchStack:PROC
EXTERN FspSelfCheck(FspSelfCheckDflt):PROC
EXTERN PlatformBasicInit(PlatformBasicInitDflt):PROC
EXTERN LoadUcode(LoadUcodeDflt):PROC
+EXTERN SecPlatformInit:PROC
+EXTERN SecCarInit:PROC
;
; Define the data length that we saved on the stack top
@@ -55,6 +53,35 @@ DATA_LEN_OF_PER0 EQU 18h
DATA_LEN_OF_MCUD EQU 18h
DATA_LEN_AT_STACK_TOP EQU (DATA_LEN_OF_PER0 + DATA_LEN_OF_MCUD + 4)
+;
+; Define SSE macros
+;
+LOAD_MMX_EXT MACRO ReturnAddress, MmxRegister
+ mov esi, ReturnAddress
+ movd MmxRegister, esi ; save ReturnAddress into MM7
+ENDM
+
+CALL_MMX_EXT MACRO RoutineLabel, MmxRegister
+ local ReturnAddress
+ mov esi, offset ReturnAddress
+ movd MmxRegister, esi ; save ReturnAddress into MM7
+ jmp RoutineLabel
+ReturnAddress:
+ENDM
+
+RET_ESI_EXT MACRO MmxRegister
+ movd esi, MmxRegister ; restore ESP from MM7
+ jmp esi
+ENDM
+
+CALL_MMX MACRO RoutineLabel
+ CALL_MMX_EXT RoutineLabel, mm7
+ENDM
+
+RET_ESI MACRO
+ RET_ESI_EXT mm7
+ENDM
+
;------------------------------------------------------------------------------
FspSelfCheckDflt PROC NEAR PUBLIC
; Inputs:
@@ -106,7 +133,7 @@ LoadUcodeDflt PROC NEAR PUBLIC
;
;
; Save return address to EBP
- mov ebp, eax
+ movd ebp, mm7
cmp esp, 0
jz paramerror
@@ -276,6 +303,67 @@ exit:
LoadUcodeDflt ENDP
+EstablishStackFsp PROC NEAR PRIVATE
+ ; Following is the code copied from BYTFSP, need to figure out what it is doing..
+ ;
+ ; Save parameter pointer in edx
+ ;
+ mov edx, dword ptr [esp + 4]
+
+ ;
+ ; Enable FSP STACK
+ ;
+ mov esp, PcdGet32 (PcdTemporaryRamBase)
+ add esp, PcdGet32 (PcdTemporaryRamSize)
+
+ push DATA_LEN_OF_MCUD ; Size of the data region
+ push 4455434Dh ; Signature of the data region 'MCUD'
+ push dword ptr [edx + 12] ; Code size
+ push dword ptr [edx + 8] ; Code base
+ cmp edx, 0 ; Is parameter pointer valid ?
+ jz InvalidMicrocodeRegion
+ push dword ptr [edx + 4] ; Microcode size
+ push dword ptr [edx] ; Microcode base
+ jmp @F
+
+InvalidMicrocodeRegion:
+ push 0 ; Microcode size
+ push 0 ; Microcode base
+
+@@:
+ ;
+ ; Save API entry/exit timestamp into stack
+ ;
+ push DATA_LEN_OF_PER0 ; Size of the data region
+ push 30524550h ; Signature of the data region 'PER0'
+ movd eax, xmm4
+ push eax
+ movd eax, xmm5
+ push eax
+ rdtsc
+ push edx
+ push eax
+
+ ;
+ ; Terminator for the data on stack
+ ;
+ push 0
+
+ ;
+ ; Set ECX/EDX to the bootloader temporary memory range
+ ;
+ mov ecx, PcdGet32 (PcdTemporaryRamBase)
+ mov edx, ecx
+ add edx, PcdGet32 (PcdTemporaryRamSize)
+ sub edx, PcdGet32 (PcdFspTemporaryRamSize)
+
+ xor eax, eax
+
+ RET_ESI
+
+EstablishStackFsp ENDP
+
+
;----------------------------------------------------------------------------
; TempRamInit API
;
@@ -299,17 +387,9 @@ TempRamInitApi PROC NEAR PUBLIC
; Save timestamp into XMM4 & XMM5
;
rdtsc
- SAVE_EAX
- SAVE_EDX
-
- ;
- ; Check Parameter
- ;
- mov eax, dword ptr [esp + 4]
- cmp eax, 0
- mov eax, 80000002h
- jz NemInitExit
-
+ movd xmm4, edx
+ movd xmm5, eax
+
;
; CPUID/DeviceID check
;
@@ -319,82 +399,18 @@ TempRamInitApi PROC NEAR PUBLIC
cmp eax, 0
jnz NemInitExit
- ;
- ; Platform Basic Init.
- ;
- mov eax, @F
- jmp PlatformBasicInit
-@@:
- cmp eax, 0
- jnz NemInitExit
+ CALL_MMX SecPlatformInit
- ;
+ ; Call Sec CAR Init
+ CALL_MMX SecCarInit
+
+ ; @todo: ESP has been modified, we need to restore here.
+ LOAD_REGS
+ SAVE_REGS
; Load microcode
- ;
- mov eax, @F
- add esp, 4
- jmp LoadUcode
-@@:
- LOAD_ESP
- cmp eax, 0
- jnz NemInitExit
-
- ;
- ; Call platform NEM init
- ;
- mov eax, @F
- add esp, 4
- jmp PlatformTempRamInit
-@@:
- LOAD_ESP
- cmp eax, 0
- jnz NemInitExit
-
- ;
- ; Save parameter pointer in edx
- ;
- mov edx, dword ptr [esp + 4]
-
- ;
- ; Enable FSP STACK
- ;
- mov esp, PcdGet32(PcdTemporaryRamBase)
- add esp, PcdGet32(PcdTemporaryRamSize)
-
- push DATA_LEN_OF_MCUD ; Size of the data region
- push 4455434Dh ; Signature of the data region 'MCUD'
- push dword ptr [edx + 4] ; Microcode size
- push dword ptr [edx + 0] ; Microcode base
- push dword ptr [edx + 12] ; Code size
- push dword ptr [edx + 8] ; Code base
-
- ;
- ; Save API entry/exit timestamp into stack
- ;
- push DATA_LEN_OF_PER0 ; Size of the data region
- push 30524550h ; Signature of the data region 'PER0'
- rdtsc
- push edx
- push eax
- LOAD_EAX
- LOAD_EDX
- push edx
- push eax
-
- ;
- ; Terminator for the data on stack
- ;
- push 0
+ CALL_MMX LoadUcode
- ;
- ; Set ECX/EDX to the bootloader temporary memory range
- ;
- mov ecx, PcdGet32(PcdTemporaryRamBase)
- mov edx, ecx
- add edx, PcdGet32(PcdTemporaryRamSize)
- sub edx, PcdGet32(PcdFspTemporaryRamSize)
-
- xor eax, eax
+ CALL_MMX EstablishStackFsp
NemInitExit:
;
@@ -413,31 +429,106 @@ TempRamInitApi ENDP
;
;----------------------------------------------------------------------------
FspInitApi PROC NEAR PUBLIC
+ mov eax, 1
+ jmp FspApiCommon
+ FspInitApi ENDP
+
+;----------------------------------------------------------------------------
+; NotifyPhase API
+;
+; This FSP API will notify the FSP about the different phases in the boot
+; process
+;
+;----------------------------------------------------------------------------
+NotifyPhaseApi PROC C PUBLIC
+ mov eax, 2
+ jmp FspApiCommon
+NotifyPhaseApi ENDP
+
+;----------------------------------------------------------------------------
+; FspMemoryInit API
+;
+; This FSP API is called after TempRamInit and initializes the memory.
+;
+;----------------------------------------------------------------------------
+FspMemoryInitApi PROC NEAR PUBLIC
+ mov eax, 3
+ jmp FspApiCommon
+FspMemoryInitApi ENDP
+
+
+;----------------------------------------------------------------------------
+; TempRamExitApi API
+;
+; This API tears down temporary RAM
+;
+;----------------------------------------------------------------------------
+TempRamExitApi PROC C PUBLIC
+ mov eax, 4
+ jmp FspApiCommon
+TempRamExitApi ENDP
+
+
+;----------------------------------------------------------------------------
+; FspSiliconInit API
+;
+; This FSP API initializes the CPU and the chipset including the IO
+; controllers in the chipset to enable normal operation of these devices.
+;
+;----------------------------------------------------------------------------
+FspSiliconInitApi PROC C PUBLIC
+ mov eax, 5
+ jmp FspApiCommon
+FspSiliconInitApi ENDP
+
+;----------------------------------------------------------------------------
+; FspApiCommon API
+;
+; This is the FSP API common entry point to resume the FSP execution
+;
+;----------------------------------------------------------------------------
+FspApiCommon PROC C PUBLIC
;
- ; Stack must be ready
+ ; EAX holds the API index
;
- push 087654321h
- pop eax
- cmp eax, 087654321h
+
+ ;
+ ; Stack must be ready
+ ;
+ push eax
+ add esp, 4
+ cmp eax, dword ptr [esp - 4]
jz @F
mov eax, 080000003h
jmp exit
@@:
;
- ; Additional check
+ ; Verify the calling condition
;
pushad
- push 1
+ push eax
call FspApiCallingCheck
add esp, 4
- mov dword ptr [esp + 4 * 7], eax
- popad
cmp eax, 0
jz @F
- jmp exit
+ mov dword ptr [esp + 4 * 7], eax
+ popad
+ ret
@@:
+ popad
+ cmp eax, 1 ; FspInit API
+ jz @F
+ cmp eax, 3 ; FspMemoryInit API
+ jz @F
+ jmp Pei2LoaderSwitchStack
+
+@@:
+ ;
+ ; FspInit and FspMemoryInit APIs, setup the initial stack frame
+ ;
+
;
; Store the address in FSP which will return control to the BL
;
@@ -452,30 +543,34 @@ FspInitApi PROC NEAR PUBLIC
; Reserve 8 bytes for IDT save/restore
sub esp, 8
- sidt fword ptr [esp]
+ sidt fword ptr [esp]
;
; Setup new FSP stack
;
- mov eax, esp
+ mov edi, esp
mov esp, PcdGet32(PcdTemporaryRamBase)
add esp, PcdGet32(PcdTemporaryRamSize)
sub esp, (DATA_LEN_AT_STACK_TOP + 40h)
;
- ; Save the bootloader's stack pointer
+ ; Pass the API Idx to SecStartup
;
push eax
+
+ ;
+ ; Pass the bootloader stack to SecStartup
+ ;
+ push edi
;
; Pass entry point of the PEI core
;
call GetFspBaseAddress
- mov edi, FspImageSizeOffset
- mov edi, DWORD PTR [eax + edi]
- add edi, eax
+ mov edi, eax
+ add edi, PcdGet32 (PcdFspAreaSize)
sub edi, 20h
- add eax, DWORD PTR [edi]
+ add eax, DWORD PTR ds:[edi]
push eax
;
@@ -505,53 +600,9 @@ FspInitApi PROC NEAR PUBLIC
;
call SecStartup
-exit:
+exit:
ret
-FspInitApi ENDP
-
-;----------------------------------------------------------------------------
-; NotifyPhase API
-;
-; This FSP API will notify the FSP about the different phases in the boot
-; process
-;
-;----------------------------------------------------------------------------
-NotifyPhaseApi PROC C PUBLIC
- ;
- ; Stack must be ready
- ;
- push 087654321h
- pop eax
- cmp eax, 087654321h
- jz @F
- mov eax, 080000003h
- jmp err_exit
-
-@@:
- ;
- ; Verify the calling condition
- ;
- pushad
- push 2
- call FspApiCallingCheck
- add esp, 4
- mov dword ptr [esp + 4 * 7], eax
- popad
-
- cmp eax, 0
- jz @F
-
- ;
- ; Error return
- ;
-err_exit:
- ret
-
-@@:
- jmp Pei2LoaderSwitchStack
-
-NotifyPhaseApi ENDP
-
+FspApiCommon ENDP
END