| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * locore.S |
| 3 | */ |
| 4 | #include <asm/asm.h> |
| 5 | #include <asm/regdef.h> |
| 6 | #include <asm/mipsregs.h> |
| 7 | |
| 8 | .text |
| 9 | |
| 10 | /* |
| 11 | * Simple general exception handling routine. This one is used for the |
| 12 | * Memory sizing routine for pmax machines. HK |
| 13 | */ |
| 14 | |
| 15 | NESTED(genexcept_early, 0, sp) |
| 16 | .set noat |
| 17 | .set noreorder |
| 18 | |
| 19 | mfc0 k0, CP0_STATUS |
| 20 | la k1, mem_err |
| 21 | |
| 22 | sw k0, 0(k1) |
| 23 | |
| 24 | mfc0 k0, CP0_EPC |
| 25 | nop |
| 26 | addiu k0, 4 # skip the causing instruction |
| 27 | jr k0 |
| 28 | rfe |
| 29 | END(genexcept_early) |
| 30 | |