diff options
Diffstat (limited to 'arch/sh/mm/cache.c')
| -rw-r--r-- | arch/sh/mm/cache.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/arch/sh/mm/cache.c b/arch/sh/mm/cache.c index a31e5c46e7a6..da5bc6ac1b28 100644 --- a/arch/sh/mm/cache.c +++ b/arch/sh/mm/cache.c @@ -15,6 +15,62 @@ #include <asm/mmu_context.h> #include <asm/cacheflush.h> +void (*flush_cache_all)(void); +void (*flush_cache_mm)(struct mm_struct *mm); +void (*flush_cache_dup_mm)(struct mm_struct *mm); +void (*flush_cache_page)(struct vm_area_struct *vma, + unsigned long addr, unsigned long pfn); +void (*flush_cache_range)(struct vm_area_struct *vma, + unsigned long start, unsigned long end); +void (*flush_dcache_page)(struct page *page); +void (*flush_icache_range)(unsigned long start, unsigned long end); +void (*flush_icache_page)(struct vm_area_struct *vma, + struct page *page); +void (*flush_cache_sigtramp)(unsigned long address); +void (*__flush_wback_region)(void *start, int size); +void (*__flush_purge_region)(void *start, int size); +void (*__flush_invalidate_region)(void *start, int size); + +static inline void noop_flush_cache_all(void) +{ +} + +static inline void noop_flush_cache_mm(struct mm_struct *mm) +{ +} + +static inline void noop_flush_cache_page(struct vm_area_struct *vma, + unsigned long addr, unsigned long pfn) +{ +} + +static inline void noop_flush_cache_range(struct vm_area_struct *vma, + unsigned long start, unsigned long end) +{ +} + +static inline void noop_flush_dcache_page(struct page *page) +{ +} + +static inline void noop_flush_icache_range(unsigned long start, + unsigned long end) +{ +} + +static inline void noop_flush_icache_page(struct vm_area_struct *vma, + struct page *page) +{ +} + +static inline void noop_flush_cache_sigtramp(unsigned long address) +{ +} + +static inline void noop__flush_region(void *start, int size) +{ +} + void copy_to_user_page(struct vm_area_struct *vma, struct page *page, unsigned long vaddr, void *dst, const void *src, unsigned long len) @@ -174,6 +230,20 @@ void __init cpu_cache_init(void) compute_alias(&boot_cpu_data.dcache); compute_alias(&boot_cpu_data.scache); + flush_cache_all = noop_flush_cache_all; + flush_cache_mm = noop_flush_cache_mm; + flush_cache_dup_mm = noop_flush_cache_mm; + flush_cache_page = noop_flush_cache_page; + flush_cache_range = noop_flush_cache_range; + flush_dcache_page = noop_flush_dcache_page; + flush_icache_range = noop_flush_icache_range; + flush_icache_page = noop_flush_icache_page; + flush_cache_sigtramp = noop_flush_cache_sigtramp; + + __flush_wback_region = noop__flush_region; + __flush_purge_region = noop__flush_region; + __flush_invalidate_region = noop__flush_region; + if ((boot_cpu_data.family == CPU_FAMILY_SH4) || (boot_cpu_data.family == CPU_FAMILY_SH4A) || (boot_cpu_data.family == CPU_FAMILY_SH4AL_DSP)) { |