Rev 1004 | Rev 1267 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 987 | decky | 1 | # |
| 2 | # Copyright (C) 2006 Martin Decky |
||
| 3 | # All rights reserved. |
||
| 4 | # |
||
| 5 | # Redistribution and use in source and binary forms, with or without |
||
| 6 | # modification, are permitted provided that the following conditions |
||
| 7 | # are met: |
||
| 8 | # |
||
| 9 | # - Redistributions of source code must retain the above copyright |
||
| 10 | # notice, this list of conditions and the following disclaimer. |
||
| 11 | # - Redistributions in binary form must reproduce the above copyright |
||
| 12 | # notice, this list of conditions and the following disclaimer in the |
||
| 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 |
||
| 15 | # derived from this software without specific prior written permission. |
||
| 16 | # |
||
| 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 |
||
| 19 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
||
| 20 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
||
| 21 | # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
||
| 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 |
||
| 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 |
||
| 26 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||
| 27 | # |
||
| 28 | |||
| 29 | #include <arch/asm/regname.h> |
||
| 1004 | decky | 30 | #include <arch/mm/page.h> |
| 987 | decky | 31 | |
| 32 | .section K_UNMAPPED_TEXT_START, "ax" |
||
| 33 | |||
| 1215 | decky | 34 | .macro CONTEXT_STORE |
| 1004 | decky | 35 | mtspr sprg1, sp |
| 36 | |||
| 37 | subis sp, sp, 0x8000 |
||
| 38 | |||
| 39 | subi sp, sp, 144 |
||
| 40 | stw r0, 0(sp) |
||
| 41 | stw r2, 4(sp) |
||
| 42 | stw r3, 8(sp) |
||
| 43 | stw r4, 12(sp) |
||
| 44 | stw r5, 16(sp) |
||
| 45 | stw r6, 20(sp) |
||
| 46 | stw r7, 24(sp) |
||
| 47 | stw r8, 28(sp) |
||
| 48 | stw r9, 32(sp) |
||
| 49 | stw r10, 36(sp) |
||
| 50 | stw r11, 40(sp) |
||
| 51 | stw r12, 44(sp) |
||
| 52 | stw r13, 48(sp) |
||
| 53 | stw r14, 52(sp) |
||
| 54 | stw r15, 56(sp) |
||
| 55 | stw r16, 60(sp) |
||
| 56 | stw r17, 64(sp) |
||
| 57 | stw r18, 68(sp) |
||
| 58 | stw r19, 72(sp) |
||
| 59 | stw r20, 76(sp) |
||
| 60 | stw r21, 80(sp) |
||
| 61 | stw r22, 84(sp) |
||
| 62 | stw r23, 88(sp) |
||
| 63 | stw r24, 92(sp) |
||
| 64 | stw r25, 96(sp) |
||
| 65 | stw r26, 100(sp) |
||
| 66 | stw r27, 104(sp) |
||
| 67 | stw r28, 108(sp) |
||
| 68 | stw r29, 112(sp) |
||
| 69 | stw r30, 116(sp) |
||
| 70 | stw r31, 120(sp) |
||
| 71 | |||
| 72 | mfspr r3, srr0 |
||
| 73 | stw r3, 124(sp) |
||
| 74 | |||
| 75 | mfspr r3, srr1 |
||
| 76 | stw r3, 128(sp) |
||
| 77 | |||
| 78 | mflr r3 |
||
| 79 | stw r3, 132(sp) |
||
| 80 | |||
| 81 | mfcr r3 |
||
| 82 | stw r3, 136(sp) |
||
| 83 | |||
| 84 | mfctr r3 |
||
| 85 | stw r3, 140(sp) |
||
| 86 | |||
| 87 | mfxer r3 |
||
| 88 | stw r3, 144(sp) |
||
| 1215 | decky | 89 | .endm |
| 1004 | decky | 90 | |
| 1215 | decky | 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 |
||
| 155 | |||
| 1004 | decky | 156 | lis r3, exc_dispatch@ha |
| 157 | addi r3, r3, exc_dispatch@l |
||
| 158 | mtspr srr0, r3 |
||
| 159 | |||
| 160 | mfmsr r3 |
||
| 161 | ori r3, r3, (msr_ir | msr_dr)@l |
||
| 162 | mtspr srr1, r3 |
||
| 163 | |||
| 164 | lis r3, iret@ha |
||
| 165 | addi r3, r3, iret@l |
||
| 166 | mtlr r3 |
||
| 167 | |||
| 168 | addis sp, sp, 0x8000 |
||
| 169 | li r3, 10 |
||
| 990 | decky | 170 | rfi |
| 987 | decky | 171 | |
| 172 | .org 0xa00 |
||
| 173 | .global exc_reserved0 |
||
| 174 | exc_reserved0: |
||
| 175 | b exc_reserved0 |
||
| 176 | |||
| 177 | .org 0xb00 |
||
| 178 | .global exc_reserved1 |
||
| 179 | exc_reserved1: |
||
| 180 | b exc_reserved1 |
||
| 181 | |||
| 182 | .org 0xc00 |
||
| 183 | .global exc_syscall |
||
| 184 | exc_syscall: |
||
| 185 | b exc_syscall |
||
| 186 | |||
| 187 | .org 0xd00 |
||
| 188 | .global exc_trace |
||
| 189 | exc_trace: |
||
| 190 | b exc_trace |