mirror of https://github.com/acidanthera/audk.git
104 lines
2.7 KiB
Plaintext
104 lines
2.7 KiB
Plaintext
;------------------------------------------------------------------------------
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;
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; Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>
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; This program and the accompanying materials
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; are licensed and made available under the terms and conditions of the BSD License
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; which accompanies this distribution. The full text of the license may be found at
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; http://opensource.org/licenses/bsd-license.php.
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;
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; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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;
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; Abstract:
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;
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; Reset Vector Data structure
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; This structure is located at 0xFFFFFFC0
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;
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;------------------------------------------------------------------------------
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.model tiny
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.686p
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.stack 0h
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.code
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;
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; The layout of this file is fixed. The build tool makes assumption of the layout.
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;
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ORG 0h
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;
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; Reserved
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;
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ReservedData DD 0eeeeeeeeh, 0eeeeeeeeh
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ORG 10h
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;
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; This is located at 0xFFFFFFD0h
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;
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mov di, "AP"
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jmp ApStartup
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ORG 20h
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;
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; Pointer to the entry point of the PEI core
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; It is located at 0xFFFFFFE0, and is fixed up by some build tool
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; So if the value 8..1 appears in the final FD image, tool failure occurs.
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;
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PeiCoreEntryPoint DD 12345678h
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;
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; This is the handler for all kinds of exceptions. Since it's for debugging
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; purpose only, nothing except a deadloop would be done here. Developers could
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; analyze the cause of the exception if a debugger had been attached.
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;
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InterruptHandler PROC
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jmp $
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iret
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InterruptHandler ENDP
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ORG 30h
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;
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; For IA32, the reset vector must be at 0xFFFFFFF0, i.e., 4G-16 byte
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; Execution starts here upon power-on/platform-reset.
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;
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ResetHandler:
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nop
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nop
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ApStartup:
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;
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; Jmp Rel16 instruction
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; Use machine code directly in case of the assembler optimization
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; SEC entry point relatvie address will be fixed up by some build tool.
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;
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; Typically, SEC entry point is the function _ModuleEntryPoint() defined in
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; SecEntry.asm
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;
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DB 0e9h
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DW -3
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ORG 38h
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;
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; Ap reset vector segment address is at 0xFFFFFFF8
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; This will be fixed up by some build tool,
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; so if the value 1..8 appears in the final FD image,
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; tool failure occurs
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;
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ApSegAddress dd 12345678h
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ORG 3ch
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;
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; BFV Base is at 0xFFFFFFFC
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; This will be fixed up by some build tool,
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; so if the value 1..8 appears in the final FD image,
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; tool failure occurs.
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;
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BfvBase DD 12345678h
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;
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; Nothing can go here, otherwise the layout of this file would change.
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;
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END
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