diff options
Diffstat (limited to 'IntelFsp2Pkg/FspSecCore/X64/FspApiEntryT.nasm')
| -rw-r--r-- | IntelFsp2Pkg/FspSecCore/X64/FspApiEntryT.nasm | 39 |
1 files changed, 20 insertions, 19 deletions
diff --git a/IntelFsp2Pkg/FspSecCore/X64/FspApiEntryT.nasm b/IntelFsp2Pkg/FspSecCore/X64/FspApiEntryT.nasm index a9f5f28ed7..7dd89c531a 100644 --- a/IntelFsp2Pkg/FspSecCore/X64/FspApiEntryT.nasm +++ b/IntelFsp2Pkg/FspSecCore/X64/FspApiEntryT.nasm @@ -114,7 +114,7 @@ endstruc global ASM_PFX(LoadMicrocodeDefault)
ASM_PFX(LoadMicrocodeDefault):
; Inputs:
- ; rsp -> LoadMicrocodeParams pointer
+ ; rcx -> LoadMicrocodeParams pointer
; Register Usage:
; rsp Preserved
; All others destroyed
@@ -130,10 +130,9 @@ ASM_PFX(LoadMicrocodeDefault): cmp rsp, 0
jz ParamError
- mov eax, dword [rsp + 8] ; Parameter pointer
- cmp eax, 0
+ cmp rcx, 0
jz ParamError
- mov esp, eax
+ mov rsp, rcx
; skip loading Microcode if the MicrocodeCodeSize is zero
; and report error if size is less than 2k
@@ -144,14 +143,14 @@ ASM_PFX(LoadMicrocodeDefault): jne ParamError
; UPD structure is compliant with FSP spec 2.4
- mov eax, dword [rsp + LoadMicrocodeParamsFsp24.MicrocodeCodeSize]
- cmp eax, 0
+ mov rax, qword [rsp + LoadMicrocodeParamsFsp24.MicrocodeCodeSize]
+ cmp rax, 0
jz Exit2
- cmp eax, 0800h
+ cmp rax, 0800h
jl ParamError
- mov esi, dword [rsp + LoadMicrocodeParamsFsp24.MicrocodeCodeAddr]
- cmp esi, 0
+ mov rsi, qword [rsp + LoadMicrocodeParamsFsp24.MicrocodeCodeAddr]
+ cmp rsi, 0
jnz CheckMainHeader
ParamError:
@@ -256,7 +255,8 @@ CheckAddress: ; UPD structure is compliant with FSP spec 2.4
; Is automatic size detection ?
mov rax, qword [rsp + LoadMicrocodeParamsFsp24.MicrocodeCodeSize]
- cmp rax, 0ffffffffffffffffh
+ mov rcx, 0ffffffffffffffffh
+ cmp rax, rcx
jz LoadMicrocodeDefault4
; Address >= microcode region address + microcode region size?
@@ -321,8 +321,7 @@ ASM_PFX(EstablishStackFsp): ;
; Save parameter pointer in rdx
;
- mov rdx, qword [rsp + 8]
-
+ mov rdx, rcx
;
; Enable FSP STACK
;
@@ -420,7 +419,10 @@ ASM_PFX(TempRamInitApi): ;
ENABLE_SSE
ENABLE_AVX
-
+ ;
+ ; Save Input Parameter in YMM10
+ ;
+ SAVE_RCX
;
; Save RBP, RBX, RSI, RDI and RSP in YMM7, YMM8 and YMM6
;
@@ -442,9 +444,8 @@ ASM_PFX(TempRamInitApi): ;
; Check Parameter
;
- mov rax, qword [rsp + 8]
- cmp rax, 0
- mov rax, 08000000000000002h
+ cmp rcx, 0
+ mov rcx, 08000000000000002h
jz TempRamInitExit
;
@@ -455,18 +456,18 @@ ASM_PFX(TempRamInitApi): jnz TempRamInitExit
; Load microcode
- LOAD_RSP
+ LOAD_RCX
CALL_YMM ASM_PFX(LoadMicrocodeDefault)
SAVE_UCODE_STATUS rax ; Save microcode return status in SLOT 0 in YMM9 (upper 128bits).
; @note If return value rax is not 0, microcode did not load, but continue and attempt to boot.
; Call Sec CAR Init
- LOAD_RSP
+ LOAD_RCX
CALL_YMM ASM_PFX(SecCarInit)
cmp rax, 0
jnz TempRamInitExit
- LOAD_RSP
+ LOAD_RCX
CALL_YMM ASM_PFX(EstablishStackFsp)
cmp rax, 0
jnz TempRamInitExit
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