| 28,9 → 28,15 |
|---|
| |
| #include <arch/arch.h> |
| |
| #define DCACHE_SIZE (16*1024) |
| #define DCACHE_SIZE (16 * 1024) |
| #define DCACHE_LINE_SIZE 32 |
| |
| #define DCACHE_TAG_SHIFT 2 |
| |
| .register %g2, #scratch |
| .register %g3, #scratch |
| |
| /** Flush the whole D-cache. */ |
| .global dcache_flush |
| dcache_flush: |
| set (DCACHE_SIZE - DCACHE_LINE_SIZE), %g1 |
| 42,3 → 48,44 |
|---|
| retl |
| membar #Sync |
| |
| /** Flush only D-cache lines of one virtual color. |
| * |
| * @param o0 Virtual color to be flushed. |
| */ |
| .global dcache_flush_color |
| dcache_flush_color: |
| mov (DCACHE_SIZE / DCACHE_LINE_SIZE) / 2, %g1 |
| set DCACHE_SIZE / 2, %g2 |
| sllx %g2, %o0, %g2 |
| sub %g2, DCACHE_LINE_SIZE, %g2 |
| 0: stxa %g0, [%g2] ASI_DCACHE_TAG |
| membar #Sync |
| subcc %g1, 1, %g1 |
| bnz,pt %xcc, 0b |
| sub %g2, DCACHE_LINE_SIZE, %g2 |
| retl |
| nop |
| |
| /** Flush only D-cache lines of one virtual color and one tag. |
| * |
| * @param o0 Virtual color to lookup the tag. |
| * @param o1 Tag of the cachelines to be flushed. |
| */ |
| .global dcache_flush_tag |
| dcache_flush_tag: |
| mov (DCACHE_SIZE / DCACHE_LINE_SIZE) / 2, %g1 |
| set DCACHE_SIZE / 2, %g2 |
| sllx %g2, %o0, %g2 |
| sub %g2, DCACHE_LINE_SIZE, %g2 |
| 0: ldxa [%g2] ASI_DCACHE_TAG, %g3 |
| srlx %g3, DCACHE_TAG_SHIFT, %g3 |
| cmp %g3, %o1 |
| bnz 1f |
| nop |
| stxa %g0, [%g2] ASI_DCACHE_TAG |
| membar #Sync |
| 1: subcc %g1, 1, %g1 |
| bnz,pt %xcc, 0b |
| sub %g2, DCACHE_LINE_SIZE, %g2 |
| retl |
| nop |