[edk2-devel][PATCH v4 5/8] IntelFsp2Pkg: SecFspSecPlatformLibNull support for X64
Kuo, Ted
ted.kuo at intel.com
Wed Apr 13 02:42:58 UTC 2022
REF:https://bugzilla.tianocore.org/show_bug.cgi?id=3893
1.Added SecFspSecPlatformLibNull support for X64.
2.Added X64 support to IntelFsp2Pkg.dsc.
Cc: Chasel Chiu <chasel.chiu at intel.com>
Cc: Nate DeSimone <nathaniel.l.desimone at intel.com>
Cc: Star Zeng <star.zeng at intel.com>
Cc: Ashraf Ali S <ashraf.ali.s at intel.com>
Signed-off-by: Ted Kuo <ted.kuo at intel.com>
---
IntelFsp2Pkg/IntelFsp2Pkg.dsc | 2 +-
.../SecFspSecPlatformLibNull.inf | 6 +++-
.../SecFspSecPlatformLibNull/X64/Long64.nasm | 31 +++++++++++++++++
.../SecFspSecPlatformLibNull/X64/SecCarInit.nasm | 40 ++++++++++++++++++++++
4 files changed, 77 insertions(+), 2 deletions(-)
create mode 100644 IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/X64/Long64.nasm
create mode 100644 IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/X64/SecCarInit.nasm
diff --git a/IntelFsp2Pkg/IntelFsp2Pkg.dsc b/IntelFsp2Pkg/IntelFsp2Pkg.dsc
index c1414f7e75..1284aa042c 100644
--- a/IntelFsp2Pkg/IntelFsp2Pkg.dsc
+++ b/IntelFsp2Pkg/IntelFsp2Pkg.dsc
@@ -12,7 +12,7 @@
PLATFORM_VERSION = 0.1
DSC_SPECIFICATION = 0x00010005
OUTPUT_DIRECTORY = Build/IntelFsp2Pkg
- SUPPORTED_ARCHITECTURES = IA32
+ SUPPORTED_ARCHITECTURES = IA32|X64
BUILD_TARGETS = DEBUG|RELEASE|NOOPT
SKUID_IDENTIFIER = DEFAULT
diff --git a/IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/SecFspSecPlatformLibNull.inf b/IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/SecFspSecPlatformLibNull.inf
index 42e7d83c32..ef859d5ea5 100644
--- a/IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/SecFspSecPlatformLibNull.inf
+++ b/IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/SecFspSecPlatformLibNull.inf
@@ -23,7 +23,7 @@
#
# The following information is for reference only and not required by the build tools.
#
-# VALID_ARCHITECTURES = IA32
+# VALID_ARCHITECTURES = IA32 X64
#
################################################################################
@@ -39,6 +39,10 @@
Ia32/Flat32.nasm
Ia32/SecCarInit.nasm
+[Sources.X64]
+ X64/Long64.nasm
+ X64/SecCarInit.nasm
+
################################################################################
#
# Package Dependency Section - list of Package files that are required for
diff --git a/IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/X64/Long64.nasm b/IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/X64/Long64.nasm
new file mode 100644
index 0000000000..836257f962
--- /dev/null
+++ b/IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/X64/Long64.nasm
@@ -0,0 +1,31 @@
+;; @file
+; This is the code that performs early platform initialization.
+; It consumes the reset vector, configures the stack.
+;
+; Copyright (c) 2022, Intel Corporation. All rights reserved.<BR>
+; SPDX-License-Identifier: BSD-2-Clause-Patent
+;;
+
+;
+; Define assembler characteristics
+;
+
+extern ASM_PFX(TempRamInitApi)
+
+SECTION .text
+
+%macro RET_RSI 0
+
+ movd rsi, mm7 ; restore RSI from MM7
+ jmp rsi
+
+%endmacro
+
+;
+; Perform early platform initialization
+;
+global ASM_PFX(SecPlatformInit)
+ASM_PFX(SecPlatformInit):
+
+ RET_RSI
+
diff --git a/IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/X64/SecCarInit.nasm b/IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/X64/SecCarInit.nasm
new file mode 100644
index 0000000000..e64c77ed18
--- /dev/null
+++ b/IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/X64/SecCarInit.nasm
@@ -0,0 +1,40 @@
+;; @file
+; SEC CAR function
+;
+; Copyright (c) 2022, Intel Corporation. All rights reserved.<BR>
+; SPDX-License-Identifier: BSD-2-Clause-Patent
+;;
+
+;
+; Define assembler characteristics
+;
+
+%macro RET_RSI 0
+
+ movd rsi, mm7 ; move ReturnAddress from MM7 to RSI
+ jmp rsi
+
+%endmacro
+
+SECTION .text
+
+;-----------------------------------------------------------------------------
+;
+; Section: SecCarInit
+;
+; Description: This function initializes the Cache for Data, Stack, and Code
+;
+;-----------------------------------------------------------------------------
+global ASM_PFX(SecCarInit)
+ASM_PFX(SecCarInit):
+
+ ;
+ ; Set up CAR
+ ;
+
+ xor rax, rax
+
+SecCarInitExit:
+
+ RET_RSI
+
--
2.16.2.windows.1
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