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1d5d0ae9 | 1 | // |
2 | // Copyright (c) 2011, ARM Limited. All rights reserved. | |
3 | // | |
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 | # | |
13 | ||
14 | #include <AsmMacroIoLib.h> | |
15 | #include <Base.h> | |
16 | #include <AutoGen.h> | |
17 | ||
18 | #start of the code section | |
19 | .text | |
20 | .align 5\r | |
21 | \r | |
22 | # IMPORT | |
23 | GCC_ASM_IMPORT(PeiCommonExceptionEntry) | |
24 | ||
25 | # EXPORT | |
26 | GCC_ASM_EXPORT(PeiVectorTable) | |
27 | \r | |
28 | //============================================================ | |
29 | //Default Exception Handlers | |
30 | //============================================================ | |
31 | ||
32 | //FIXME: One of the EDK2 tool is broken. It does not look to respect the alignment. Even, if we specify 32-byte alignment for this file. | |
33 | Dummy1: .word 0\r | |
34 | Dummy2: .word 0\r | |
35 | ||
36 | ASM_PFX(PeiVectorTable): | |
37 | b _DefaultResetHandler | |
38 | b _DefaultUndefined | |
39 | b _DefaultSWI | |
40 | b _DefaultPrefetchAbort | |
41 | b _DefaultDataAbort | |
42 | b _DefaultReserved | |
43 | b _DefaultIrq | |
44 | b _DefaultFiq | |
45 | ||
46 | // | |
47 | // Default Exception handlers: There is no plan to return from any of these exceptions. | |
48 | // No context saving at all. | |
49 | // | |
50 | _DefaultResetHandler: | |
51 | mov r1, lr | |
52 | # Switch to SVC for common stack | |
53 | cps #0x13 | |
54 | mov r0, #0 | |
55 | blx ASM_PFX(PeiCommonExceptionEntry) | |
56 | ||
57 | _DefaultUndefined: | |
58 | sub r1, LR, #4 | |
59 | # Switch to SVC for common stack | |
60 | cps #0x13 | |
61 | mov r0, #1 | |
62 | blx ASM_PFX(PeiCommonExceptionEntry) | |
63 | ||
64 | _DefaultSWI: | |
65 | sub r1, LR, #4 | |
66 | # Switch to SVC for common stack | |
67 | cps #0x13 | |
68 | mov r0, #2 | |
69 | blx ASM_PFX(PeiCommonExceptionEntry) | |
70 | ||
71 | _DefaultPrefetchAbort: | |
72 | sub r1, LR, #4 | |
73 | # Switch to SVC for common stack | |
74 | cps #0x13 | |
75 | mov r0, #3 | |
76 | blx ASM_PFX(PeiCommonExceptionEntry) | |
77 | ||
78 | _DefaultDataAbort: | |
79 | sub r1, LR, #8 | |
80 | # Switch to SVC for common stack | |
81 | cps #0x13 | |
82 | mov r0, #4 | |
83 | blx ASM_PFX(PeiCommonExceptionEntry) | |
84 | ||
85 | _DefaultReserved: | |
86 | mov r1, lr | |
87 | # Switch to SVC for common stack | |
88 | cps #0x13 | |
89 | mov r0, #5 | |
90 | blx PeiCommonExceptionEntry | |
91 | ||
92 | _DefaultIrq: | |
93 | sub r1, LR, #4 | |
94 | # Switch to SVC for common stack | |
95 | cps #0x13 | |
96 | mov r0, #6 | |
97 | blx PeiCommonExceptionEntry | |
98 | ||
99 | _DefaultFiq: | |
100 | sub r1, LR, #4 | |
101 | # Switch to SVC for common stack | |
102 | cps #0x13 | |
103 | mov r0, #7 | |
104 | blx PeiCommonExceptionEntry | |
105 | \r | |
106 | .end\r |