diff options
Diffstat (limited to 'arch/m68k/include/asm/cacheflush_mm.h')
| -rw-r--r-- | arch/m68k/include/asm/cacheflush_mm.h | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/arch/m68k/include/asm/cacheflush_mm.h b/arch/m68k/include/asm/cacheflush_mm.h index 1ac55e7b47f0..ed12358c4783 100644 --- a/arch/m68k/include/asm/cacheflush_mm.h +++ b/arch/m68k/include/asm/cacheflush_mm.h @@ -220,24 +220,29 @@ static inline void flush_cache_page(struct vm_area_struct *vma, unsigned long vm /* Push the page at kernel virtual address and clear the icache */ /* RZ: use cpush %bc instead of cpush %dc, cinv %ic */ -static inline void __flush_page_to_ram(void *vaddr) +static inline void __flush_pages_to_ram(void *vaddr, unsigned int nr) { if (CPU_IS_COLDFIRE) { unsigned long addr, start, end; addr = ((unsigned long) vaddr) & ~(PAGE_SIZE - 1); start = addr & ICACHE_SET_MASK; - end = (addr + PAGE_SIZE - 1) & ICACHE_SET_MASK; + end = (addr + nr * PAGE_SIZE - 1) & ICACHE_SET_MASK; if (start > end) { flush_cf_bcache(0, end); end = ICACHE_MAX_ADDR; } flush_cf_bcache(start, end); } else if (CPU_IS_040_OR_060) { - __asm__ __volatile__("nop\n\t" - ".chip 68040\n\t" - "cpushp %%bc,(%0)\n\t" - ".chip 68k" - : : "a" (__pa(vaddr))); + unsigned long paddr = __pa(vaddr); + + do { + __asm__ __volatile__("nop\n\t" + ".chip 68040\n\t" + "cpushp %%bc,(%0)\n\t" + ".chip 68k" + : : "a" (paddr)); + paddr += PAGE_SIZE; + } while (--nr); } else { unsigned long _tmp; __asm__ __volatile__("movec %%cacr,%0\n\t" @@ -249,10 +254,13 @@ static inline void __flush_page_to_ram(void *vaddr) } #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1 -#define flush_dcache_page(page) __flush_page_to_ram(page_address(page)) +#define flush_dcache_page(page) __flush_pages_to_ram(page_address(page), 1) +#define flush_dcache_folio(folio) \ + __flush_pages_to_ram(folio_address(folio), folio_nr_pages(folio)) #define flush_dcache_mmap_lock(mapping) do { } while (0) #define flush_dcache_mmap_unlock(mapping) do { } while (0) -#define flush_icache_page(vma, page) __flush_page_to_ram(page_address(page)) +#define flush_icache_pages(vma, page, nr) \ + __flush_pages_to_ram(page_address(page), nr) extern void flush_icache_user_page(struct vm_area_struct *vma, struct page *page, unsigned long addr, int len); |