IntelFspWrapperPkg: Fix typos in comments
[mirror_edk2.git] / IntelFspWrapperPkg / FspWrapperSecCore / Ia32 / ResetVec.asm16
1 ;------------------------------------------------------------------------------
2 ;
3 ; Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>
4 ; This program and the accompanying materials
5 ; are licensed and made available under the terms and conditions of the BSD License
6 ; which accompanies this distribution. The full text of the license may be found at
7 ; http://opensource.org/licenses/bsd-license.php.
8 ;
9 ; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
10 ; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
11 ;
12 ; Module Name:
13 ;
14 ; ResetVec.asm
15 ;
16 ; Abstract:
17 ;
18 ; Reset Vector Data structure
19 ; This structure is located at 0xFFFFFFC0
20 ;
21 ;------------------------------------------------------------------------------
22
23 .model tiny
24 .686p
25 .stack 0h
26 .code
27
28 ;
29 ; The layout of this file is fixed. The build tool makes assumption of the layout.
30 ;
31
32 ORG 0h
33 ;
34 ; Reserved
35 ;
36 ReservedData DD 0eeeeeeeeh, 0eeeeeeeeh
37
38 ORG 10h
39 ;
40 ; This is located at 0xFFFFFFD0h
41 ;
42 mov di, "AP"
43 jmp ApStartup
44
45 ORG 20h
46 ;
47 ; Pointer to the entry point of the PEI core
48 ; It is located at 0xFFFFFFE0, and is fixed up by some build tool
49 ; So if the value 8..1 appears in the final FD image, tool failure occurs.
50 ;
51 PeiCoreEntryPoint DD 87654321h
52
53 ;
54 ; This is the handler for all kinds of exceptions. Since it's for debugging
55 ; purpose only, nothing except a deadloop would be done here. Developers could
56 ; analyze the cause of the exception if a debugger had been attached.
57 ;
58 InterruptHandler PROC
59 jmp $
60 iret
61 InterruptHandler ENDP
62
63 ORG 30h
64 ;
65 ; For IA32, the reset vector must be at 0xFFFFFFF0, i.e., 4G-16 byte
66 ; Execution starts here upon power-on/platform-reset.
67 ;
68 ResetHandler:
69 nop
70 nop
71 ApStartup:
72 ;
73 ; Jmp Rel16 instruction
74 ; Use machine code directly in case of the assembler optimization
75 ; SEC entry point relatvie address will be fixed up by some build tool.
76 ;
77 ; Typically, SEC entry point is the function _ModuleEntryPoint() defined in
78 ; SecEntry.asm
79 ;
80 DB 0e9h
81 DW -3
82
83
84 ORG 38h
85 ;
86 ; Ap reset vector segment address is at 0xFFFFFFF8
87 ; This will be fixed up by some build tool,
88 ; so if the value 1..8 appears in the final FD image,
89 ; tool failure occurs
90 ;
91 ApSegAddress dd 12345678h
92
93 ORG 3ch
94 ;
95 ; BFV Base is at 0xFFFFFFFC
96 ; This will be fixed up by some build tool,
97 ; so if the value 1..8 appears in the final FD image,
98 ; tool failure occurs.
99 ;
100 BfvBase DD 12345678h
101
102 ;
103 ; Nothing can go here, otherwise the layout of this file would change.
104 ;
105
106 END