IntelFsp2Pkg/FspSecCore/SecFsp.h | 25 +--------- IntelFsp2Pkg/Include/Library/FspHelperLib.h | 35 +++++++++++++ IntelFsp2Pkg/IntelFsp2Pkg.dsc | 2 + .../BaseFspHelperLib/BaseFspHelperLib.inf | 50 +++++++++++++++++++ .../BaseFspHelperLib/Ia32/FspHelper.nasm | 35 +++++++++++++ .../BaseFspHelperLib/X64/FspHelper.nasm | 34 +++++++++++++ 6 files changed, 157 insertions(+), 24 deletions(-) create mode 100644 IntelFsp2Pkg/Include/Library/FspHelperLib.h create mode 100644 IntelFsp2Pkg/Library/BaseFspHelperLib/BaseFspHelperLib.inf create mode 100644 IntelFsp2Pkg/Library/BaseFspHelperLib/Ia32/FspHelper.nasm create mode 100644 IntelFsp2Pkg/Library/BaseFspHelperLib/X64/FspHelper.nasm
REF:https://bugzilla.tianocore.org/show_bug.cgi?id=4128
Adding FspHelperLib for platform code to consume. There will be
another patch raised later for FspSecCore to consume FspHelperLib.
Cc: Chasel Chiu <chasel.chiu@intel.com>
Cc: Nate DeSimone <nathaniel.l.desimone@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Cc: Ashraf Ali S <ashraf.ali.s@intel.com>
Cc: Chinni B Duggapu <chinni.b.duggapu@intel.com>
Cc: Amy Chan <amy.chan@intel.com>
Signed-off-by: Ted Kuo <ted.kuo@intel.com>
---
IntelFsp2Pkg/FspSecCore/SecFsp.h | 25 +---------
IntelFsp2Pkg/Include/Library/FspHelperLib.h | 35 +++++++++++++
IntelFsp2Pkg/IntelFsp2Pkg.dsc | 2 +
.../BaseFspHelperLib/BaseFspHelperLib.inf | 50 +++++++++++++++++++
.../BaseFspHelperLib/Ia32/FspHelper.nasm | 35 +++++++++++++
.../BaseFspHelperLib/X64/FspHelper.nasm | 34 +++++++++++++
6 files changed, 157 insertions(+), 24 deletions(-)
create mode 100644 IntelFsp2Pkg/Include/Library/FspHelperLib.h
create mode 100644 IntelFsp2Pkg/Library/BaseFspHelperLib/BaseFspHelperLib.inf
create mode 100644 IntelFsp2Pkg/Library/BaseFspHelperLib/Ia32/FspHelper.nasm
create mode 100644 IntelFsp2Pkg/Library/BaseFspHelperLib/X64/FspHelper.nasm
diff --git a/IntelFsp2Pkg/FspSecCore/SecFsp.h b/IntelFsp2Pkg/FspSecCore/SecFsp.h
index d7a5976c12..f12769890f 100644
--- a/IntelFsp2Pkg/FspSecCore/SecFsp.h
+++ b/IntelFsp2Pkg/FspSecCore/SecFsp.h
@@ -17,6 +17,7 @@
#include <Library/BaseMemoryLib.h>
#include <Library/FspCommonLib.h>
#include <Library/FspSecPlatformLib.h>
+#include <Library/FspHelperLib.h>
#define FSP_MCUD_SIGNATURE SIGNATURE_32 ('M', 'C', 'U', 'D')
#define FSP_PER0_SIGNATURE SIGNATURE_32 ('P', 'E', 'R', '0')
@@ -64,28 +65,4 @@ FspDataPointerFixUp (
IN UINTN OffsetGap
);
-/**
- This interface returns the base address of FSP binary.
-
- @return FSP binary base address.
-
-**/
-UINTN
-EFIAPI
-AsmGetFspBaseAddress (
- VOID
- );
-
-/**
- This interface gets FspInfoHeader pointer
-
- @return FSP binary base address.
-
-**/
-UINTN
-EFIAPI
-AsmGetFspInfoHeader (
- VOID
- );
-
#endif
diff --git a/IntelFsp2Pkg/Include/Library/FspHelperLib.h b/IntelFsp2Pkg/Include/Library/FspHelperLib.h
new file mode 100644
index 0000000000..84b74fa7aa
--- /dev/null
+++ b/IntelFsp2Pkg/Include/Library/FspHelperLib.h
@@ -0,0 +1,35 @@
+/** @file
+ Header file for FSP Helper Library.
+
+ Copyright (c) 2022, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef _FSP_HELPER_LIB_H_
+#define _FSP_HELPER_LIB_H_
+
+/**
+ This interface returns the base address of FSP binary.
+
+ @return FSP binary base address.
+
+**/
+UINTN
+EFIAPI
+AsmGetFspBaseAddress (
+ VOID
+ );
+
+/**
+ This interface gets FspInfoHeader pointer
+
+ @return FSP info header.
+**/
+UINTN
+EFIAPI
+AsmGetFspInfoHeader (
+ VOID
+ );
+
+#endif // _FSP_HELPER_LIB_H_
diff --git a/IntelFsp2Pkg/IntelFsp2Pkg.dsc b/IntelFsp2Pkg/IntelFsp2Pkg.dsc
index 0713f0028d..09893d70e8 100644
--- a/IntelFsp2Pkg/IntelFsp2Pkg.dsc
+++ b/IntelFsp2Pkg/IntelFsp2Pkg.dsc
@@ -46,6 +46,7 @@
FspSwitchStackLib|IntelFsp2Pkg/Library/BaseFspSwitchStackLib/BaseFspSwitchStackLib.inf
FspSecPlatformLib|IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/SecFspSecPlatformLibNull.inf
FspMultiPhaseLib|IntelFsp2Pkg/Library/BaseFspMultiPhaseLib/BaseFspMultiPhaseLib.inf
+ FspHelperLib|IntelFsp2Pkg/Library/BaseFspHelperLib/BaseFspHelperLib.inf
[LibraryClasses.common.PEIM]
PeimEntryPoint|MdePkg/Library/PeimEntryPoint/PeimEntryPoint.inf
@@ -66,6 +67,7 @@
IntelFsp2Pkg/Library/BaseDebugDeviceLibNull/BaseDebugDeviceLibNull.inf
IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/SecFspSecPlatformLibNull.inf
IntelFsp2Pkg/Library/BaseFspMultiPhaseLib/BaseFspMultiPhaseLib.inf
+ IntelFsp2Pkg/Library/BaseFspHelperLib/BaseFspHelperLib.inf
IntelFsp2Pkg/FspSecCore/FspSecCoreT.inf
IntelFsp2Pkg/FspSecCore/FspSecCoreM.inf
diff --git a/IntelFsp2Pkg/Library/BaseFspHelperLib/BaseFspHelperLib.inf b/IntelFsp2Pkg/Library/BaseFspHelperLib/BaseFspHelperLib.inf
new file mode 100644
index 0000000000..318ad65330
--- /dev/null
+++ b/IntelFsp2Pkg/Library/BaseFspHelperLib/BaseFspHelperLib.inf
@@ -0,0 +1,50 @@
+## @file
+# FSP Helper Library.
+#
+# Copyright (c) 2022, Intel Corporation. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+################################################################################
+#
+# Defines Section - statements that will be processed to create a Makefile.
+#
+################################################################################
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = FspHelperLib
+ FILE_GUID = 65746991-8a41-4b89-b0f4-eb4e24b5b471
+ MODULE_TYPE = BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = FspHelperLib
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64
+#
+
+################################################################################
+#
+# Sources Section - list of files that are required for the build to succeed.
+#
+################################################################################
+
+[Sources.IA32]
+ Ia32/FspHelper.nasm
+
+[Sources.X64]
+ X64/FspHelper.nasm
+
+################################################################################
+#
+# Package Dependency Section - list of Package files that are required for
+# this module.
+#
+################################################################################
+
+[Packages]
+ MdePkg/MdePkg.dec
diff --git a/IntelFsp2Pkg/Library/BaseFspHelperLib/Ia32/FspHelper.nasm b/IntelFsp2Pkg/Library/BaseFspHelperLib/Ia32/FspHelper.nasm
new file mode 100644
index 0000000000..e3e1945473
--- /dev/null
+++ b/IntelFsp2Pkg/Library/BaseFspHelperLib/Ia32/FspHelper.nasm
@@ -0,0 +1,35 @@
+;; @file
+; Provide FSP helper function.
+;
+; Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.<BR>
+; SPDX-License-Identifier: BSD-2-Clause-Patent
+;;
+
+ SECTION .text
+
+global ASM_PFX(FspInfoHeaderRelativeOff)
+ASM_PFX(FspInfoHeaderRelativeOff):
+ DD 0x12345678 ; This value must be patched by the build script
+
+global ASM_PFX(AsmGetFspBaseAddress)
+ASM_PFX(AsmGetFspBaseAddress):
+ call ASM_PFX(AsmGetFspInfoHeader)
+ add eax, 0x1C
+ mov eax, dword [eax]
+ ret
+
+global ASM_PFX(AsmGetFspInfoHeader)
+ASM_PFX(AsmGetFspInfoHeader):
+ call ASM_PFX(NextInstruction)
+ASM_PFX(NextInstruction):
+ pop eax
+ sub eax, ASM_PFX(NextInstruction)
+ add eax, ASM_PFX(AsmGetFspInfoHeader)
+ sub eax, dword [eax - ASM_PFX(AsmGetFspInfoHeader) + ASM_PFX(FspInfoHeaderRelativeOff)]
+ ret
+
+global ASM_PFX(AsmGetFspInfoHeaderNoStack)
+ASM_PFX(AsmGetFspInfoHeaderNoStack):
+ mov eax, ASM_PFX(AsmGetFspInfoHeader)
+ sub eax, dword [ASM_PFX(FspInfoHeaderRelativeOff)]
+ jmp edi
diff --git a/IntelFsp2Pkg/Library/BaseFspHelperLib/X64/FspHelper.nasm b/IntelFsp2Pkg/Library/BaseFspHelperLib/X64/FspHelper.nasm
new file mode 100644
index 0000000000..122fa1d174
--- /dev/null
+++ b/IntelFsp2Pkg/Library/BaseFspHelperLib/X64/FspHelper.nasm
@@ -0,0 +1,34 @@
+;; @file
+; Provide FSP helper function.
+;
+; Copyright (c) 2022, Intel Corporation. All rights reserved.<BR>
+; SPDX-License-Identifier: BSD-2-Clause-Patent
+;;
+ DEFAULT REL
+ SECTION .text
+
+global ASM_PFX(AsmGetFspBaseAddress)
+ASM_PFX(AsmGetFspBaseAddress):
+ call ASM_PFX(AsmGetFspInfoHeader)
+ add rax, 0x1C
+ mov eax, [rax]
+ ret
+
+global ASM_PFX(AsmGetFspInfoHeader)
+ASM_PFX(AsmGetFspInfoHeader):
+ lea rax, [ASM_PFX(AsmGetFspInfoHeader)]
+ DB 0x48, 0x2d ; sub rax, 0x????????
+global ASM_PFX(FspInfoHeaderRelativeOff)
+ASM_PFX(FspInfoHeaderRelativeOff):
+ DD 0x12345678 ; This value must be patched by the build script
+ and rax, 0xffffffff
+ ret
+
+global ASM_PFX(AsmGetFspInfoHeaderNoStack)
+ASM_PFX(AsmGetFspInfoHeaderNoStack):
+ lea rax, [ASM_PFX(AsmGetFspInfoHeader)]
+ lea rcx, [ASM_PFX(FspInfoHeaderRelativeOff)]
+ mov ecx, [rcx]
+ sub rax, rcx
+ and rax, 0xffffffff
+ jmp rdi
--
2.35.3.windows.1
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Hi., Instead of Hardcoded FSP ImageBase as 0x1C in FspHelper.nasm, can we have struct from there we can get it. So that in future if the Header is changing assembly code will not get impacted. Regards, Ashraf Ali S Intel Technology India Pvt. Ltd. -----Original Message----- From: Kuo, Ted <ted.kuo@intel.com> Sent: Monday, November 7, 2022 2:14 PM To: devel@edk2.groups.io Cc: Chiu, Chasel <chasel.chiu@intel.com>; Desimone, Nathaniel L <nathaniel.l.desimone@intel.com>; Zeng, Star <star.zeng@intel.com>; S, Ashraf Ali <ashraf.ali.s@intel.com>; Duggapu, Chinni B <chinni.b.duggapu@intel.com>; Chan, Amy <amy.chan@intel.com> Subject: [edk2-devel][PATCH v1] IntelFsp2Pkg: Adding FspHelperLib REF:https://bugzilla.tianocore.org/show_bug.cgi?id=4128 Adding FspHelperLib for platform code to consume. There will be another patch raised later for FspSecCore to consume FspHelperLib. Cc: Chasel Chiu <chasel.chiu@intel.com> Cc: Nate DeSimone <nathaniel.l.desimone@intel.com> Cc: Star Zeng <star.zeng@intel.com> Cc: Ashraf Ali S <ashraf.ali.s@intel.com> Cc: Chinni B Duggapu <chinni.b.duggapu@intel.com> Cc: Amy Chan <amy.chan@intel.com> Signed-off-by: Ted Kuo <ted.kuo@intel.com> --- IntelFsp2Pkg/FspSecCore/SecFsp.h | 25 +--------- IntelFsp2Pkg/Include/Library/FspHelperLib.h | 35 +++++++++++++ IntelFsp2Pkg/IntelFsp2Pkg.dsc | 2 + .../BaseFspHelperLib/BaseFspHelperLib.inf | 50 +++++++++++++++++++ .../BaseFspHelperLib/Ia32/FspHelper.nasm | 35 +++++++++++++ .../BaseFspHelperLib/X64/FspHelper.nasm | 34 +++++++++++++ 6 files changed, 157 insertions(+), 24 deletions(-) create mode 100644 IntelFsp2Pkg/Include/Library/FspHelperLib.h create mode 100644 IntelFsp2Pkg/Library/BaseFspHelperLib/BaseFspHelperLib.inf create mode 100644 IntelFsp2Pkg/Library/BaseFspHelperLib/Ia32/FspHelper.nasm create mode 100644 IntelFsp2Pkg/Library/BaseFspHelperLib/X64/FspHelper.nasm diff --git a/IntelFsp2Pkg/FspSecCore/SecFsp.h b/IntelFsp2Pkg/FspSecCore/SecFsp.h index d7a5976c12..f12769890f 100644 --- a/IntelFsp2Pkg/FspSecCore/SecFsp.h +++ b/IntelFsp2Pkg/FspSecCore/SecFsp.h @@ -17,6 +17,7 @@ #include <Library/BaseMemoryLib.h> #include <Library/FspCommonLib.h> #include <Library/FspSecPlatformLib.h>+#include <Library/FspHelperLib.h> #define FSP_MCUD_SIGNATURE SIGNATURE_32 ('M', 'C', 'U', 'D') #define FSP_PER0_SIGNATURE SIGNATURE_32 ('P', 'E', 'R', '0')@@ -64,28 +65,4 @@ FspDataPointerFixUp ( IN UINTN OffsetGap ); -/**- This interface returns the base address of FSP binary.-- @return FSP binary base address.--**/-UINTN-EFIAPI-AsmGetFspBaseAddress (- VOID- );--/**- This interface gets FspInfoHeader pointer-- @return FSP binary base address.--**/-UINTN-EFIAPI-AsmGetFspInfoHeader (- VOID- );- #endifdiff --git a/IntelFsp2Pkg/Include/Library/FspHelperLib.h b/IntelFsp2Pkg/Include/Library/FspHelperLib.h new file mode 100644 index 0000000000..84b74fa7aa --- /dev/null +++ b/IntelFsp2Pkg/Include/Library/FspHelperLib.h @@ -0,0 +1,35 @@ +/** @file+ Header file for FSP Helper Library.++ Copyright (c) 2022, Intel Corporation. All rights reserved.<BR>+ SPDX-License-Identifier: BSD-2-Clause-Patent++**/++#ifndef _FSP_HELPER_LIB_H_+#define _FSP_HELPER_LIB_H_++/**+ This interface returns the base address of FSP binary.++ @return FSP binary base address.++**/+UINTN+EFIAPI+AsmGetFspBaseAddress (+ VOID+ );++/**+ This interface gets FspInfoHeader pointer++ @return FSP info header.+**/+UINTN+EFIAPI+AsmGetFspInfoHeader (+ VOID+ );++#endif // _FSP_HELPER_LIB_H_diff --git a/IntelFsp2Pkg/IntelFsp2Pkg.dsc b/IntelFsp2Pkg/IntelFsp2Pkg.dsc index 0713f0028d..09893d70e8 100644 --- a/IntelFsp2Pkg/IntelFsp2Pkg.dsc +++ b/IntelFsp2Pkg/IntelFsp2Pkg.dsc @@ -46,6 +46,7 @@ FspSwitchStackLib|IntelFsp2Pkg/Library/BaseFspSwitchStackLib/BaseFspSwitchStackLib.inf FspSecPlatformLib|IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/SecFspSecPlatformLibNull.inf FspMultiPhaseLib|IntelFsp2Pkg/Library/BaseFspMultiPhaseLib/BaseFspMultiPhaseLib.inf+ FspHelperLib|IntelFsp2Pkg/Library/BaseFspHelperLib/BaseFspHelperLib.inf [LibraryClasses.common.PEIM] PeimEntryPoint|MdePkg/Library/PeimEntryPoint/PeimEntryPoint.inf@@ -66,6 +67,7 @@ IntelFsp2Pkg/Library/BaseDebugDeviceLibNull/BaseDebugDeviceLibNull.inf IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/SecFspSecPlatformLibNull.inf IntelFsp2Pkg/Library/BaseFspMultiPhaseLib/BaseFspMultiPhaseLib.inf+ IntelFsp2Pkg/Library/BaseFspHelperLib/BaseFspHelperLib.inf IntelFsp2Pkg/FspSecCore/FspSecCoreT.inf IntelFsp2Pkg/FspSecCore/FspSecCoreM.infdiff --git a/IntelFsp2Pkg/Library/BaseFspHelperLib/BaseFspHelperLib.inf b/IntelFsp2Pkg/Library/BaseFspHelperLib/BaseFspHelperLib.inf new file mode 100644 index 0000000000..318ad65330 --- /dev/null +++ b/IntelFsp2Pkg/Library/BaseFspHelperLib/BaseFspHelperLib.inf @@ -0,0 +1,50 @@ +## @file+# FSP Helper Library.+#+# Copyright (c) 2022, Intel Corporation. All rights reserved.<BR>+#+# SPDX-License-Identifier: BSD-2-Clause-Patent+#+##++################################################################################+#+# Defines Section - statements that will be processed to create a Makefile.+#+################################################################################++[Defines]+ INF_VERSION = 0x00010005+ BASE_NAME = FspHelperLib+ FILE_GUID = 65746991-8a41-4b89-b0f4-eb4e24b5b471+ MODULE_TYPE = BASE+ VERSION_STRING = 1.0+ LIBRARY_CLASS = FspHelperLib++#+# The following information is for reference only and not required by the build tools.+#+# VALID_ARCHITECTURES = IA32 X64+#++################################################################################+#+# Sources Section - list of files that are required for the build to succeed.+#+################################################################################++[Sources.IA32]+ Ia32/FspHelper.nasm++[Sources.X64]+ X64/FspHelper.nasm++################################################################################+#+# Package Dependency Section - list of Package files that are required for+# this module.+#+################################################################################++[Packages]+ MdePkg/MdePkg.decdiff --git a/IntelFsp2Pkg/Library/BaseFspHelperLib/Ia32/FspHelper.nasm b/IntelFsp2Pkg/Library/BaseFspHelperLib/Ia32/FspHelper.nasm new file mode 100644 index 0000000000..e3e1945473 --- /dev/null +++ b/IntelFsp2Pkg/Library/BaseFspHelperLib/Ia32/FspHelper.nasm @@ -0,0 +1,35 @@ +;; @file+; Provide FSP helper function.+;+; Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.<BR>+; SPDX-License-Identifier: BSD-2-Clause-Patent+;;++ SECTION .text++global ASM_PFX(FspInfoHeaderRelativeOff)+ASM_PFX(FspInfoHeaderRelativeOff):+ DD 0x12345678 ; This value must be patched by the build script++global ASM_PFX(AsmGetFspBaseAddress)+ASM_PFX(AsmGetFspBaseAddress):+ call ASM_PFX(AsmGetFspInfoHeader)+ add eax, 0x1C+ mov eax, dword [eax]+ ret++global ASM_PFX(AsmGetFspInfoHeader)+ASM_PFX(AsmGetFspInfoHeader):+ call ASM_PFX(NextInstruction)+ASM_PFX(NextInstruction):+ pop eax+ sub eax, ASM_PFX(NextInstruction)+ add eax, ASM_PFX(AsmGetFspInfoHeader)+ sub eax, dword [eax - ASM_PFX(AsmGetFspInfoHeader) + ASM_PFX(FspInfoHeaderRelativeOff)]+ ret++global ASM_PFX(AsmGetFspInfoHeaderNoStack)+ASM_PFX(AsmGetFspInfoHeaderNoStack):+ mov eax, ASM_PFX(AsmGetFspInfoHeader)+ sub eax, dword [ASM_PFX(FspInfoHeaderRelativeOff)]+ jmp edidiff --git a/IntelFsp2Pkg/Library/BaseFspHelperLib/X64/FspHelper.nasm b/IntelFsp2Pkg/Library/BaseFspHelperLib/X64/FspHelper.nasm new file mode 100644 index 0000000000..122fa1d174 --- /dev/null +++ b/IntelFsp2Pkg/Library/BaseFspHelperLib/X64/FspHelper.nasm @@ -0,0 +1,34 @@ +;; @file+; Provide FSP helper function.+;+; Copyright (c) 2022, Intel Corporation. All rights reserved.<BR>+; SPDX-License-Identifier: BSD-2-Clause-Patent+;;+ DEFAULT REL+ SECTION .text++global ASM_PFX(AsmGetFspBaseAddress)+ASM_PFX(AsmGetFspBaseAddress):+ call ASM_PFX(AsmGetFspInfoHeader)+ add rax, 0x1C+ mov eax, [rax]+ ret++global ASM_PFX(AsmGetFspInfoHeader)+ASM_PFX(AsmGetFspInfoHeader):+ lea rax, [ASM_PFX(AsmGetFspInfoHeader)]+ DB 0x48, 0x2d ; sub rax, 0x????????+global ASM_PFX(FspInfoHeaderRelativeOff)+ASM_PFX(FspInfoHeaderRelativeOff):+ DD 0x12345678 ; This value must be patched by the build script+ and rax, 0xffffffff+ ret++global ASM_PFX(AsmGetFspInfoHeaderNoStack)+ASM_PFX(AsmGetFspInfoHeaderNoStack):+ lea rax, [ASM_PFX(AsmGetFspInfoHeader)]+ lea rcx, [ASM_PFX(FspInfoHeaderRelativeOff)]+ mov ecx, [rcx]+ sub rax, rcx+ and rax, 0xffffffff+ jmp rdi-- 2.35.3.windows.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. 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