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Diffstat (limited to 'arch/mips/include/asm/cacheops.h')
| -rw-r--r-- | arch/mips/include/asm/cacheops.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/arch/mips/include/asm/cacheops.h b/arch/mips/include/asm/cacheops.h new file mode 100644 index 0000000..6464250 --- /dev/null +++ b/arch/mips/include/asm/cacheops.h @@ -0,0 +1,85 @@ +/* + * Cache operations for the cache instruction. + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * (C) Copyright 1996, 97, 99, 2002, 03 Ralf Baechle + * (C) Copyright 1999 Silicon Graphics, Inc. + */ +#ifndef __ASM_CACHEOPS_H +#define __ASM_CACHEOPS_H + +/* + * Cache Operations available on all MIPS processors with R4000-style caches + */ +#define INDEX_INVALIDATE_I 0x00 +#define INDEX_WRITEBACK_INV_D 0x01 +#define INDEX_LOAD_TAG_I 0x04 +#define INDEX_LOAD_TAG_D 0x05 +#define INDEX_STORE_TAG_I 0x08 +#define INDEX_STORE_TAG_D 0x09 +#if defined(CONFIG_CPU_LOONGSON2) +#define HIT_INVALIDATE_I 0x00 +#else +#define HIT_INVALIDATE_I 0x10 +#endif +#define HIT_INVALIDATE_D 0x11 +#define HIT_WRITEBACK_INV_D 0x15 + +/* + * R4000-specific cacheops + */ +#define CREATE_DIRTY_EXCL_D 0x0d +#define FILL 0x14 +#define HIT_WRITEBACK_I 0x18 +#define HIT_WRITEBACK_D 0x19 + +/* + * R4000SC and R4400SC-specific cacheops + */ +#define INDEX_INVALIDATE_SI 0x02 +#define INDEX_WRITEBACK_INV_SD 0x03 +#define INDEX_LOAD_TAG_SI 0x06 +#define INDEX_LOAD_TAG_SD 0x07 +#define INDEX_STORE_TAG_SI 0x0A +#define INDEX_STORE_TAG_SD 0x0B +#define CREATE_DIRTY_EXCL_SD 0x0f +#define HIT_INVALIDATE_SI 0x12 +#define HIT_INVALIDATE_SD 0x13 +#define HIT_WRITEBACK_INV_SD 0x17 +#define HIT_WRITEBACK_SD 0x1b +#define HIT_SET_VIRTUAL_SI 0x1e +#define HIT_SET_VIRTUAL_SD 0x1f + +/* + * R5000-specific cacheops + */ +#define R5K_PAGE_INVALIDATE_S 0x17 + +/* + * RM7000-specific cacheops + */ +#define PAGE_INVALIDATE_T 0x16 + +/* + * R10000-specific cacheops + * + * Cacheops 0x02, 0x06, 0x0a, 0x0c-0x0e, 0x16, 0x1a and 0x1e are unused. + * Most of the _S cacheops are identical to the R4000SC _SD cacheops. + */ +#define INDEX_WRITEBACK_INV_S 0x03 +#define INDEX_LOAD_TAG_S 0x07 +#define INDEX_STORE_TAG_S 0x0B +#define HIT_INVALIDATE_S 0x13 +#define CACHE_BARRIER 0x14 +#define HIT_WRITEBACK_INV_S 0x17 +#define INDEX_LOAD_DATA_I 0x18 +#define INDEX_LOAD_DATA_D 0x19 +#define INDEX_LOAD_DATA_S 0x1b +#define INDEX_STORE_DATA_I 0x1c +#define INDEX_STORE_DATA_D 0x1d +#define INDEX_STORE_DATA_S 0x1f + +#endif /* __ASM_CACHEOPS_H */ |
