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- /*
- * Cache operations for the cache instruction.
- *
- * (C) Copyright 1996, 97, 99, 2002, 03 Ralf Baechle
- * (C) Copyright 1999 Silicon Graphics, Inc.
- *
- * SPDX-License-Identifier: GPL-2.0
- */
- #ifndef __ASM_CACHEOPS_H
- #define __ASM_CACHEOPS_H
- #ifndef __ASSEMBLY__
- static inline void mips_cache(int op, const volatile void *addr)
- {
- #ifdef __GCC_HAVE_BUILTIN_MIPS_CACHE
- __builtin_mips_cache(op, addr);
- #else
- __asm__ __volatile__("cache %0, 0(%1)" : : "i"(op), "r"(addr));
- #endif
- }
- #endif /* !__ASSEMBLY__ */
- /*
- * 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 */
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