;; @file\r
; Provide FSP API entry points.\r
;\r
-; Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>\r
+; Copyright (c) 2016 - 2020, Intel Corporation. All rights reserved.<BR>\r
; SPDX-License-Identifier: BSD-2-Clause-Patent\r
;;\r
\r
.size:\r
endstruc\r
\r
+struc LoadMicrocodeParamsFsp22\r
+ ; FSP_UPD_HEADER {\r
+ .FspUpdHeaderSignature: resd 2\r
+ .FspUpdHeaderRevision: resb 1\r
+ .FspUpdHeaderReserved: resb 23\r
+ ; }\r
+ ; FSPT_ARCH_UPD{\r
+ .FsptArchUpd: resd 8\r
+ ; }\r
+ ; FSPT_CORE_UPD {\r
+ .MicrocodeCodeAddr: resd 1\r
+ .MicrocodeCodeSize: resd 1\r
+ .CodeRegionBase: resd 1\r
+ .CodeRegionSize: resd 1\r
+ ; }\r
+ .size:\r
+endstruc\r
\r
;\r
; Define SSE macros\r
\r
; skip loading Microcode if the MicrocodeCodeSize is zero\r
; and report error if size is less than 2k\r
+ ; first check UPD header revision\r
+ cmp byte [esp + LoadMicrocodeParamsFsp22.FspUpdHeaderRevision], 2\r
+ jae Fsp22UpdHeader\r
+\r
+ ; UPD structure is compliant with FSP spec 2.0/2.1\r
mov eax, dword [esp + LoadMicrocodeParams.MicrocodeCodeSize]\r
cmp eax, 0\r
jz Exit2\r
mov esi, dword [esp + LoadMicrocodeParams.MicrocodeCodeAddr]\r
cmp esi, 0\r
jnz CheckMainHeader\r
+ jmp ParamError\r
+\r
+Fsp22UpdHeader:\r
+ ; UPD structure is compliant with FSP spec 2.2\r
+ mov eax, dword [esp + LoadMicrocodeParamsFsp22.MicrocodeCodeSize]\r
+ cmp eax, 0\r
+ jz Exit2\r
+ cmp eax, 0800h\r
+ jl ParamError\r
+\r
+ mov esi, dword [esp + LoadMicrocodeParamsFsp22.MicrocodeCodeAddr]\r
+ cmp esi, 0\r
+ jnz CheckMainHeader\r
\r
ParamError:\r
mov eax, 080000002h\r
cmp dword [esi + MicrocodeHdr.MicrocodeHdrVersion], 0ffffffffh\r
jz Done\r
\r
+ ; Check UPD header revision\r
+ cmp byte [esp + LoadMicrocodeParamsFsp22.FspUpdHeaderRevision], 2\r
+ jae Fsp22UpdHeader1\r
+\r
+ ; UPD structure is compliant with FSP spec 2.0/2.1\r
; Is automatic size detection ?\r
mov eax, dword [esp + LoadMicrocodeParams.MicrocodeCodeSize]\r
cmp eax, 0ffffffffh\r
jae Done ;Jif address is outside of microcode region\r
jmp CheckMainHeader\r
\r
+Fsp22UpdHeader1:\r
+ ; UPD structure is compliant with FSP spec 2.2\r
+ ; Is automatic size detection ?\r
+ mov eax, dword [esp + LoadMicrocodeParamsFsp22.MicrocodeCodeSize]\r
+ cmp eax, 0ffffffffh\r
+ jz LoadMicrocodeDefault4\r
+\r
+ ; Address >= microcode region address + microcode region size?\r
+ add eax, dword [esp + LoadMicrocodeParamsFsp22.MicrocodeCodeAddr]\r
+ cmp esi, eax\r
+ jae Done ;Jif address is outside of microcode region\r
+ jmp CheckMainHeader\r
+\r
LoadMicrocodeDefault4:\r
LoadCheck:\r
; Get the revision of the current microcode update loaded\r
\r
push DATA_LEN_OF_MCUD ; Size of the data region\r
push 4455434Dh ; Signature of the data region 'MCUD'\r
- push dword [edx + 2Ch] ; Code size sizeof(FSPT_UPD_COMMON) + 12\r
- push dword [edx + 28h] ; Code base sizeof(FSPT_UPD_COMMON) + 8\r
- push dword [edx + 24h] ; Microcode size sizeof(FSPT_UPD_COMMON) + 4\r
- push dword [edx + 20h] ; Microcode base sizeof(FSPT_UPD_COMMON) + 0\r
\r
+ ; check UPD structure revision (edx + 8)\r
+ cmp byte [edx + LoadMicrocodeParamsFsp22.FspUpdHeaderRevision], 2\r
+ jae Fsp22UpdHeader2\r
+\r
+ ; UPD structure is compliant with FSP spec 2.0/2.1\r
+ push dword [edx + LoadMicrocodeParams.CodeRegionSize] ; Code size sizeof(FSPT_UPD_COMMON) + 12\r
+ push dword [edx + LoadMicrocodeParams.CodeRegionBase] ; Code base sizeof(FSPT_UPD_COMMON) + 8\r
+ push dword [edx + LoadMicrocodeParams.MicrocodeCodeSize] ; Microcode size sizeof(FSPT_UPD_COMMON) + 4\r
+ push dword [edx + LoadMicrocodeParams.MicrocodeCodeAddr] ; Microcode base sizeof(FSPT_UPD_COMMON) + 0\r
+ jmp ContinueAfterUpdPush\r
+\r
+Fsp22UpdHeader2:\r
+ ; UPD structure is compliant with FSP spec 2.2\r
+ push dword [edx + LoadMicrocodeParamsFsp22.CodeRegionSize] ; Code size sizeof(FSPT_UPD_COMMON) + 12\r
+ push dword [edx + LoadMicrocodeParamsFsp22.CodeRegionBase] ; Code base sizeof(FSPT_UPD_COMMON) + 8\r
+ push dword [edx + LoadMicrocodeParamsFsp22.MicrocodeCodeSize] ; Microcode size sizeof(FSPT_UPD_COMMON) + 4\r
+ push dword [edx + LoadMicrocodeParamsFsp22.MicrocodeCodeAddr] ; Microcode base sizeof(FSPT_UPD_COMMON) + 0\r
+\r
+ContinueAfterUpdPush:\r
;\r
; Save API entry/exit timestamp into stack\r
;\r