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| author | Marcin Bukat <marcin.bukat@gmail.com> | 2023-09-27 22:29:10 +0200 |
|---|---|---|
| committer | Marcin Bukat <marcin.bukat@gmail.com> | 2023-09-27 22:49:33 +0200 |
| commit | 609db995d5ac0fb6c538c5f4e9e4e449235f7c76 (patch) | |
| tree | 030675f75d08c8a808c8f389477406b7b54ddea4 | |
| parent | bf8191421701b62da4be9bbd3f2ce8ac4309e101 (diff) | |
| download | rockbox-609db995d5ac0fb6c538c5f4e9e4e449235f7c76.tar.gz rockbox-609db995d5ac0fb6c538c5f4e9e4e449235f7c76.zip | |
hwstub: Remove code duplication in ATJ213x exception handling
| -rw-r--r-- | utils/hwstub/stub/atj213x/crt0.S | 57 |
1 files changed, 9 insertions, 48 deletions
diff --git a/utils/hwstub/stub/atj213x/crt0.S b/utils/hwstub/stub/atj213x/crt0.S index 5a3c81dc78..7d5bcde9b2 100644 --- a/utils/hwstub/stub/atj213x/crt0.S +++ b/utils/hwstub/stub/atj213x/crt0.S | |||
| @@ -140,66 +140,27 @@ stack_munge_loop: | |||
| 140 | .section .exception.tlb_refill,"ax",%progbits | 140 | .section .exception.tlb_refill,"ax",%progbits |
| 141 | 141 | ||
| 142 | tlb_refill_handler: | 142 | tlb_refill_handler: |
| 143 | la k1, exception_jmp_ctx_ptr | 143 | li a0, EXCEPTION_ADDR |
| 144 | lw s0, 0(k1) | 144 | la k0, restore_exception_jmp |
| 145 | lw s1, 4(k1) | 145 | jr k0 |
| 146 | lw s2, 8(k1) | ||
| 147 | lw s3, 12(k1) | ||
| 148 | lw s4, 16(k1) | ||
| 149 | lw s5, 20(k1) | ||
| 150 | lw s6, 24(k1) | ||
| 151 | lw s7, 28(k1) | ||
| 152 | lw sp, 32(k1) | ||
| 153 | lw s8, 36(k1) | ||
| 154 | lw k1, 40(k1) | ||
| 155 | mtc0 k1, C0_EPC | ||
| 156 | ehb | ||
| 157 | li v0, EXCEPTION_ADDR | ||
| 158 | eret | ||
| 159 | nop | 146 | nop |
| 160 | 147 | ||
| 161 | .global cache_error_handler | 148 | .global cache_error_handler |
| 162 | .section .exception.cache_error,"ax",%progbits | 149 | .section .exception.cache_error,"ax",%progbits |
| 163 | 150 | ||
| 164 | cache_error_handler: | 151 | cache_error_handler: |
| 165 | la k1, exception_jmp_ctx_ptr | 152 | li a0, EXCEPTION_ADDR |
| 166 | lw s0, 0(k1) | 153 | la k0, restore_exception_jmp |
| 167 | lw s1, 4(k1) | 154 | jr k0 |
| 168 | lw s2, 8(k1) | ||
| 169 | lw s3, 12(k1) | ||
| 170 | lw s4, 16(k1) | ||
| 171 | lw s5, 20(k1) | ||
| 172 | lw s6, 24(k1) | ||
| 173 | lw s7, 28(k1) | ||
| 174 | lw sp, 32(k1) | ||
| 175 | lw s8, 36(k1) | ||
| 176 | lw k1, 40(k1) | ||
| 177 | mtc0 k1, C0_EPC | ||
| 178 | ehb | ||
| 179 | li v0, EXCEPTION_ADDR | ||
| 180 | eret | ||
| 181 | nop | 155 | nop |
| 182 | 156 | ||
| 183 | .global general_exception_handler | 157 | .global general_exception_handler |
| 184 | .section .exception.general_exception,"ax",%progbits | 158 | .section .exception.general_exception,"ax",%progbits |
| 185 | 159 | ||
| 186 | general_exception_handler: | 160 | general_exception_handler: |
| 187 | la k1, exception_jmp_ctx_ptr | 161 | li a0, EXCEPTION_UNSP |
| 188 | lw s0, 0(k1) | 162 | la k0, restore_exception_jmp |
| 189 | lw s1, 4(k1) | 163 | jr k0 |
| 190 | lw s2, 8(k1) | ||
| 191 | lw s3, 12(k1) | ||
| 192 | lw s4, 16(k1) | ||
| 193 | lw s5, 20(k1) | ||
| 194 | lw s6, 24(k1) | ||
| 195 | lw s7, 28(k1) | ||
| 196 | lw sp, 32(k1) | ||
| 197 | lw s8, 36(k1) | ||
| 198 | lw k1, 40(k1) | ||
| 199 | mtc0 k1, C0_EPC | ||
| 200 | ehb | ||
| 201 | li v0, EXCEPTION_UNSP | ||
| 202 | eret | ||
| 203 | nop | 164 | nop |
| 204 | 165 | ||
| 205 | /* s0-s7 not saved as this are callee saved registers | 166 | /* s0-s7 not saved as this are callee saved registers |