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| Rev 439 | Rev 441 | ||
|---|---|---|---|
| Line 55... | Line 55... | ||
| 55 | /* 3. switch to kernel memory stack */ |
55 | /* 3. switch to kernel memory stack */ |
| 56 | /* TODO: support interruptions from userspace */ |
56 | /* TODO: support interruptions from userspace */ |
| 57 | /* assume kernel stack */ |
57 | /* assume kernel stack */ |
| 58 | 58 | ||
| 59 | /* 4. save registers in bank 0 into memory stack */ |
59 | /* 4. save registers in bank 0 into memory stack */ |
| - | 60 | add r12 = -8, r12 ;; |
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| - | 61 | ||
| 60 | st8 [r12] = r29, -8 ;; /* save predicate registers */ |
62 | st8 [r12] = r29, -8 ;; /* save predicate registers */ |
| 61 | 63 | ||
| 62 | st8 [r12] = r24, -8 ;; /* save cr.iip */ |
64 | st8 [r12] = r24, -8 ;; /* save cr.iip */ |
| 63 | st8 [r12] = r25, -8 ;; /* save cr.ipsr */ |
65 | st8 [r12] = r25, -8 ;; /* save cr.ipsr */ |
| 64 | st8 [r12] = r26, -8 ;; /* save cr.iipa */ |
66 | st8 [r12] = r26, -8 ;; /* save cr.iipa */ |