Rev 1004 | Rev 1267 | Go to most recent revision | Only display areas with differences | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 1004 | Rev 1215 | ||
|---|---|---|---|
| 1 | # |
1 | # |
| 2 | # Copyright (C) 2006 Martin Decky |
2 | # Copyright (C) 2006 Martin Decky |
| 3 | # All rights reserved. |
3 | # All rights reserved. |
| 4 | # |
4 | # |
| 5 | # Redistribution and use in source and binary forms, with or without |
5 | # Redistribution and use in source and binary forms, with or without |
| 6 | # modification, are permitted provided that the following conditions |
6 | # modification, are permitted provided that the following conditions |
| 7 | # are met: |
7 | # are met: |
| 8 | # |
8 | # |
| 9 | # - Redistributions of source code must retain the above copyright |
9 | # - Redistributions of source code must retain the above copyright |
| 10 | # notice, this list of conditions and the following disclaimer. |
10 | # notice, this list of conditions and the following disclaimer. |
| 11 | # - Redistributions in binary form must reproduce the above copyright |
11 | # - Redistributions in binary form must reproduce the above copyright |
| 12 | # notice, this list of conditions and the following disclaimer in the |
12 | # notice, this list of conditions and the following disclaimer in the |
| 13 | # documentation and/or other materials provided with the distribution. |
13 | # documentation and/or other materials provided with the distribution. |
| 14 | # - The name of the author may not be used to endorse or promote products |
14 | # - The name of the author may not be used to endorse or promote products |
| 15 | # derived from this software without specific prior written permission. |
15 | # derived from this software without specific prior written permission. |
| 16 | # |
16 | # |
| 17 | # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 18 | # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 19 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 20 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 21 | # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 22 | # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 26 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | # |
27 | # |
| 28 | 28 | ||
| 29 | #include <arch/asm/regname.h> |
29 | #include <arch/asm/regname.h> |
| 30 | #include <arch/mm/page.h> |
30 | #include <arch/mm/page.h> |
| 31 | 31 | ||
| 32 | .section K_UNMAPPED_TEXT_START, "ax" |
32 | .section K_UNMAPPED_TEXT_START, "ax" |
| 33 | 33 | ||
| 34 | .org 0x100 |
- | |
| 35 | .global exc_system_reset |
- | |
| 36 | exc_system_reset: |
- | |
| 37 | b exc_system_reset |
- | |
| 38 | - | ||
| 39 | .org 0x200 |
- | |
| 40 | .global exc_machine_check |
- | |
| 41 | exc_machine_check: |
- | |
| 42 | b exc_machine_check |
- | |
| 43 | - | ||
| 44 | .org 0x300 |
- | |
| 45 | .global exc_data_storage |
- | |
| 46 | exc_data_storage: |
- | |
| 47 | b exc_data_storage |
- | |
| 48 | - | ||
| 49 | .org 0x380 |
- | |
| 50 | .global exc_data_segment |
- | |
| 51 | exc_data_segment: |
- | |
| 52 | b exc_data_segment |
- | |
| 53 | - | ||
| 54 | .org 0x400 |
- | |
| 55 | .global exc_instruction_storage |
- | |
| 56 | exc_instruction_storage: |
- | |
| 57 | b exc_instruction_storage |
- | |
| 58 | - | ||
| 59 | .org 0x480 |
- | |
| 60 | .global exc_instruction_segment |
- | |
| 61 | exc_instruction_segment: |
- | |
| 62 | b exc_instruction_segment |
- | |
| 63 | - | ||
| 64 | .org 0x500 |
- | |
| 65 | .global exc_external |
- | |
| 66 | exc_external: |
- | |
| 67 | b exc_external |
- | |
| 68 | - | ||
| 69 | .org 0x600 |
- | |
| 70 | .global exc_alignment |
34 | .macro CONTEXT_STORE |
| 71 | exc_alignment: |
- | |
| 72 | b exc_alignment |
- | |
| 73 | - | ||
| 74 | .org 0x700 |
- | |
| 75 | .global exc_program |
- | |
| 76 | exc_program: |
- | |
| 77 | b exc_program |
- | |
| 78 | - | ||
| 79 | .org 0x800 |
- | |
| 80 | .global exc_fp_unavailable |
- | |
| 81 | exc_fp_unavailable: |
- | |
| 82 | b exc_fp_unavailable |
- | |
| 83 | - | ||
| 84 | .org 0x900 |
- | |
| 85 | .global exc_decrementer |
- | |
| 86 | exc_decrementer: |
- | |
| 87 | mtspr sprg1, sp |
35 | mtspr sprg1, sp |
| 88 | 36 | ||
| 89 | subis sp, sp, 0x8000 |
37 | subis sp, sp, 0x8000 |
| 90 | 38 | ||
| 91 | subi sp, sp, 144 |
39 | subi sp, sp, 144 |
| 92 | stw r0, 0(sp) |
40 | stw r0, 0(sp) |
| 93 | stw r2, 4(sp) |
41 | stw r2, 4(sp) |
| 94 | stw r3, 8(sp) |
42 | stw r3, 8(sp) |
| 95 | stw r4, 12(sp) |
43 | stw r4, 12(sp) |
| 96 | stw r5, 16(sp) |
44 | stw r5, 16(sp) |
| 97 | stw r6, 20(sp) |
45 | stw r6, 20(sp) |
| 98 | stw r7, 24(sp) |
46 | stw r7, 24(sp) |
| 99 | stw r8, 28(sp) |
47 | stw r8, 28(sp) |
| 100 | stw r9, 32(sp) |
48 | stw r9, 32(sp) |
| 101 | stw r10, 36(sp) |
49 | stw r10, 36(sp) |
| 102 | stw r11, 40(sp) |
50 | stw r11, 40(sp) |
| 103 | stw r12, 44(sp) |
51 | stw r12, 44(sp) |
| 104 | stw r13, 48(sp) |
52 | stw r13, 48(sp) |
| 105 | stw r14, 52(sp) |
53 | stw r14, 52(sp) |
| 106 | stw r15, 56(sp) |
54 | stw r15, 56(sp) |
| 107 | stw r16, 60(sp) |
55 | stw r16, 60(sp) |
| 108 | stw r17, 64(sp) |
56 | stw r17, 64(sp) |
| 109 | stw r18, 68(sp) |
57 | stw r18, 68(sp) |
| 110 | stw r19, 72(sp) |
58 | stw r19, 72(sp) |
| 111 | stw r20, 76(sp) |
59 | stw r20, 76(sp) |
| 112 | stw r21, 80(sp) |
60 | stw r21, 80(sp) |
| 113 | stw r22, 84(sp) |
61 | stw r22, 84(sp) |
| 114 | stw r23, 88(sp) |
62 | stw r23, 88(sp) |
| 115 | stw r24, 92(sp) |
63 | stw r24, 92(sp) |
| 116 | stw r25, 96(sp) |
64 | stw r25, 96(sp) |
| 117 | stw r26, 100(sp) |
65 | stw r26, 100(sp) |
| 118 | stw r27, 104(sp) |
66 | stw r27, 104(sp) |
| 119 | stw r28, 108(sp) |
67 | stw r28, 108(sp) |
| 120 | stw r29, 112(sp) |
68 | stw r29, 112(sp) |
| 121 | stw r30, 116(sp) |
69 | stw r30, 116(sp) |
| 122 | stw r31, 120(sp) |
70 | stw r31, 120(sp) |
| 123 | 71 | ||
| 124 | mfspr r3, srr0 |
72 | mfspr r3, srr0 |
| 125 | stw r3, 124(sp) |
73 | stw r3, 124(sp) |
| 126 | 74 | ||
| 127 | mfspr r3, srr1 |
75 | mfspr r3, srr1 |
| 128 | stw r3, 128(sp) |
76 | stw r3, 128(sp) |
| 129 | 77 | ||
| 130 | mflr r3 |
78 | mflr r3 |
| 131 | stw r3, 132(sp) |
79 | stw r3, 132(sp) |
| 132 | 80 | ||
| 133 | mfcr r3 |
81 | mfcr r3 |
| 134 | stw r3, 136(sp) |
82 | stw r3, 136(sp) |
| 135 | 83 | ||
| 136 | mfctr r3 |
84 | mfctr r3 |
| 137 | stw r3, 140(sp) |
85 | stw r3, 140(sp) |
| 138 | 86 | ||
| 139 | mfxer r3 |
87 | mfxer r3 |
| 140 | stw r3, 144(sp) |
88 | stw r3, 144(sp) |
| - | 89 | .endm |
|
| - | 90 | ||
| - | 91 | .org 0x100 |
|
| - | 92 | .global exc_system_reset |
|
| - | 93 | exc_system_reset: |
|
| - | 94 | b exc_system_reset |
|
| - | 95 | ||
| - | 96 | .org 0x200 |
|
| - | 97 | .global exc_machine_check |
|
| - | 98 | exc_machine_check: |
|
| - | 99 | b exc_machine_check |
|
| - | 100 | ||
| - | 101 | .org 0x300 |
|
| - | 102 | .global exc_data_storage |
|
| - | 103 | exc_data_storage: |
|
| - | 104 | CONTEXT_STORE |
|
| - | 105 | ||
| - | 106 | lis r3, pht_refill@ha |
|
| - | 107 | addi r3, r3, pht_refill@l |
|
| - | 108 | mtspr srr0, r3 |
|
| - | 109 | ||
| - | 110 | mfmsr r3 |
|
| - | 111 | ori r3, r3, (msr_ir | msr_dr)@l |
|
| - | 112 | mtspr srr1, r3 |
|
| - | 113 | ||
| - | 114 | lis r3, iret@ha |
|
| - | 115 | addi r3, r3, iret@l |
|
| - | 116 | mtlr r3 |
|
| - | 117 | ||
| - | 118 | addis sp, sp, 0x8000 |
|
| - | 119 | rfi |
|
| - | 120 | ||
| - | 121 | .org 0x400 |
|
| - | 122 | .global exc_instruction_storage |
|
| - | 123 | exc_instruction_storage: |
|
| - | 124 | b exc_instruction_storage |
|
| - | 125 | ||
| - | 126 | .org 0x480 |
|
| - | 127 | .global exc_instruction_segment |
|
| - | 128 | exc_instruction_segment: |
|
| - | 129 | b exc_instruction_segment |
|
| - | 130 | ||
| - | 131 | .org 0x500 |
|
| - | 132 | .global exc_external |
|
| - | 133 | exc_external: |
|
| - | 134 | b exc_external |
|
| - | 135 | ||
| - | 136 | .org 0x600 |
|
| - | 137 | .global exc_alignment |
|
| - | 138 | exc_alignment: |
|
| - | 139 | b exc_alignment |
|
| - | 140 | ||
| - | 141 | .org 0x700 |
|
| - | 142 | .global exc_program |
|
| - | 143 | exc_program: |
|
| - | 144 | b exc_program |
|
| - | 145 | ||
| - | 146 | .org 0x800 |
|
| - | 147 | .global exc_fp_unavailable |
|
| - | 148 | exc_fp_unavailable: |
|
| - | 149 | b exc_fp_unavailable |
|
| - | 150 | ||
| - | 151 | .org 0x900 |
|
| - | 152 | .global exc_decrementer |
|
| - | 153 | exc_decrementer: |
|
| - | 154 | CONTEXT_STORE |
|
| 141 | 155 | ||
| 142 | lis r3, exc_dispatch@ha |
156 | lis r3, exc_dispatch@ha |
| 143 | addi r3, r3, exc_dispatch@l |
157 | addi r3, r3, exc_dispatch@l |
| 144 | mtspr srr0, r3 |
158 | mtspr srr0, r3 |
| 145 | 159 | ||
| 146 | mfmsr r3 |
160 | mfmsr r3 |
| 147 | ori r3, r3, (msr_ir | msr_dr)@l |
161 | ori r3, r3, (msr_ir | msr_dr)@l |
| 148 | mtspr srr1, r3 |
162 | mtspr srr1, r3 |
| 149 | 163 | ||
| 150 | lis r3, iret@ha |
164 | lis r3, iret@ha |
| 151 | addi r3, r3, iret@l |
165 | addi r3, r3, iret@l |
| 152 | mtlr r3 |
166 | mtlr r3 |
| 153 | 167 | ||
| 154 | addis sp, sp, 0x8000 |
168 | addis sp, sp, 0x8000 |
| 155 | li r3, 10 |
169 | li r3, 10 |
| 156 | rfi |
170 | rfi |
| 157 | 171 | ||
| 158 | .org 0xa00 |
172 | .org 0xa00 |
| 159 | .global exc_reserved0 |
173 | .global exc_reserved0 |
| 160 | exc_reserved0: |
174 | exc_reserved0: |
| 161 | b exc_reserved0 |
175 | b exc_reserved0 |
| 162 | 176 | ||
| 163 | .org 0xb00 |
177 | .org 0xb00 |
| 164 | .global exc_reserved1 |
178 | .global exc_reserved1 |
| 165 | exc_reserved1: |
179 | exc_reserved1: |
| 166 | b exc_reserved1 |
180 | b exc_reserved1 |
| 167 | 181 | ||
| 168 | .org 0xc00 |
182 | .org 0xc00 |
| 169 | .global exc_syscall |
183 | .global exc_syscall |
| 170 | exc_syscall: |
184 | exc_syscall: |
| 171 | b exc_syscall |
185 | b exc_syscall |
| 172 | 186 | ||
| 173 | .org 0xd00 |
187 | .org 0xd00 |
| 174 | .global exc_trace |
188 | .global exc_trace |
| 175 | exc_trace: |
189 | exc_trace: |
| 176 | b exc_trace |
190 | b exc_trace |
| 177 | 191 | ||