diff options
author | Guo Mang <mang.guo@intel.com> | 2016-12-22 17:11:19 +0800 |
---|---|---|
committer | Guo Mang <mang.guo@intel.com> | 2016-12-26 19:14:50 +0800 |
commit | 2cc68ed95f4e6a5b6256a6cc1e9f6a585a7d2ba7 (patch) | |
tree | e6f0cc497ee0f06782388ab114fd2f3d37bddcc5 /Core/UefiCpuPkg/SecCore/Ia32/ResetVec.asm16 | |
parent | a6747ab91782ba4309b5f12301c8b43b1b4702dd (diff) | |
download | edk2-platforms-2cc68ed95f4e6a5b6256a6cc1e9f6a585a7d2ba7.tar.xz |
UefiCpuPkg: Move to new location
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Guo Mang <mang.guo@intel.com>
Diffstat (limited to 'Core/UefiCpuPkg/SecCore/Ia32/ResetVec.asm16')
-rw-r--r-- | Core/UefiCpuPkg/SecCore/Ia32/ResetVec.asm16 | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/Core/UefiCpuPkg/SecCore/Ia32/ResetVec.asm16 b/Core/UefiCpuPkg/SecCore/Ia32/ResetVec.asm16 new file mode 100644 index 0000000000..d90613c4d0 --- /dev/null +++ b/Core/UefiCpuPkg/SecCore/Ia32/ResetVec.asm16 @@ -0,0 +1,106 @@ +;------------------------------------------------------------------------------
+;
+; Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>
+; 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
+; http://opensource.org/licenses/bsd-license.php.
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; ResetVec.asm
+;
+; Abstract:
+;
+; Reset Vector Data structure
+; This structure is located at 0xFFFFFFC0
+;
+;------------------------------------------------------------------------------
+
+ .model tiny
+ .686p
+ .stack 0h
+ .code
+
+;
+; The layout of this file is fixed. The build tool makes assumption of the layout.
+;
+
+ ORG 0h
+;
+; Reserved
+;
+ReservedData DD 0eeeeeeeeh, 0eeeeeeeeh
+
+ ORG 10h
+;
+; This is located at 0xFFFFFFD0h
+;
+ mov di, "AP"
+ jmp ApStartup
+
+ ORG 20h
+;
+; Pointer to the entry point of the PEI core
+; It is located at 0xFFFFFFE0, and is fixed up by some build tool
+; So if the value 8..1 appears in the final FD image, tool failure occurs.
+;
+PeiCoreEntryPoint DD 87654321h
+
+;
+; This is the handler for all kinds of exceptions. Since it's for debugging
+; purpose only, nothing except a dead loop would be done here. Developers could
+; analyze the cause of the exception if a debugger had been attached.
+;
+InterruptHandler PROC
+ jmp $
+ iret
+InterruptHandler ENDP
+
+ ORG 30h
+;
+; For IA32, the reset vector must be at 0xFFFFFFF0, i.e., 4G-16 byte
+; Execution starts here upon power-on/platform-reset.
+;
+ResetHandler:
+ nop
+ nop
+ApStartup:
+ ;
+ ; Jmp Rel16 instruction
+ ; Use machine code directly in case of the assembler optimization
+ ; SEC entry point relative address will be fixed up by some build tool.
+ ;
+ ; Typically, SEC entry point is the function _ModuleEntryPoint() defined in
+ ; SecEntry.asm
+ ;
+ DB 0e9h
+ DW -3
+
+
+ ORG 38h
+;
+; Ap reset vector segment address is at 0xFFFFFFF8
+; This will be fixed up by some build tool,
+; so if the value 1..8 appears in the final FD image,
+; tool failure occurs
+;
+ApSegAddress dd 12345678h
+
+ ORG 3ch
+;
+; BFV Base is at 0xFFFFFFFC
+; This will be fixed up by some build tool,
+; so if the value 1..8 appears in the final FD image,
+; tool failure occurs.
+;
+BfvBase DD 12345678h
+
+;
+; Nothing can go here, otherwise the layout of this file would change.
+;
+
+ END
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