X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fmips%2Fmm%2Fc-sb1.c;h=f9b129491b1e4e038019d715e0d4d63ae4b34629;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=ad41b2b4600405848d9b061886d0f090ba25ac3f;hpb=6a77f38946aaee1cd85eeec6cf4229b204c15071;p=linux-2.6.git diff --git a/arch/mips/mm/c-sb1.c b/arch/mips/mm/c-sb1.c index ad41b2b46..f9b129491 100644 --- a/arch/mips/mm/c-sb1.c +++ b/arch/mips/mm/c-sb1.c @@ -160,8 +160,7 @@ static inline void __sb1_flush_icache_all(void) * dcache first, then invalidate the icache. If the page isn't * executable, nothing is required. */ -static void local_sb1_flush_cache_page(struct vm_area_struct *vma, - unsigned long addr) +static void local_sb1_flush_cache_page(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn) { int cpu = smp_processor_id(); @@ -183,17 +182,18 @@ static void local_sb1_flush_cache_page(struct vm_area_struct *vma, struct flush_cache_page_args { struct vm_area_struct *vma; unsigned long addr; + unsigned long pfn; }; static void sb1_flush_cache_page_ipi(void *info) { struct flush_cache_page_args *args = info; - local_sb1_flush_cache_page(args->vma, args->addr); + local_sb1_flush_cache_page(args->vma, args->addr, args->pfn); } /* Dirty dcache could be on another CPU, so do the IPIs */ -static void sb1_flush_cache_page(struct vm_area_struct *vma, unsigned long addr) +static void sb1_flush_cache_page(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn) { struct flush_cache_page_args args; @@ -203,10 +203,11 @@ static void sb1_flush_cache_page(struct vm_area_struct *vma, unsigned long addr) addr &= PAGE_MASK; args.vma = vma; args.addr = addr; + args.pfn = pfn; on_each_cpu(sb1_flush_cache_page_ipi, (void *) &args, 1, 1); } #else -void sb1_flush_cache_page(struct vm_area_struct *vma, unsigned long addr) +void sb1_flush_cache_page(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn) __attribute__((alias("local_sb1_flush_cache_page"))); #endif @@ -234,7 +235,7 @@ static inline void __sb1_flush_icache_range(unsigned long start, /* * Invalidate all caches on this CPU */ -static void local_sb1___flush_cache_all(void) +static void __attribute_used__ local_sb1___flush_cache_all(void) { __sb1_writeback_inv_dcache_all(); __sb1_flush_icache_all(); @@ -269,7 +270,7 @@ static void local_sb1_flush_icache_range(unsigned long start, __sb1_writeback_inv_dcache_all(); else __sb1_writeback_inv_dcache_range(start, end); - + /* Just flush the whole icache if the range is big enough */ if ((end - start) > icache_range_cutoff) __sb1_flush_icache_all(); @@ -491,19 +492,17 @@ static __init void probe_cache_sizes(void) } /* - * This is called from loadmmu.c. We have to set up all the + * This is called from cache.c. We have to set up all the * memory management function pointers, as well as initialize * the caches and tlbs */ -void ld_mmu_sb1(void) +void sb1_cache_init(void) { extern char except_vec2_sb1; extern char handle_vec2_sb1; /* Special cache error handler for SB1 */ - memcpy((void *)(CAC_BASE + 0x100), &except_vec2_sb1, 0x80); - memcpy((void *)(UNCAC_BASE + 0x100), &except_vec2_sb1, 0x80); - memcpy((void *)CKSEG1ADDR(&handle_vec2_sb1), &handle_vec2_sb1, 0x80); + set_uncached_handler (0x100, &except_vec2_sb1, 0x80); probe_cache_sizes(); @@ -529,6 +528,7 @@ void ld_mmu_sb1(void) flush_cache_page = sb1_flush_cache_page; flush_cache_sigtramp = sb1_flush_cache_sigtramp; + local_flush_data_cache_page = (void *) sb1_nop; flush_data_cache_page = (void *) sb1_nop; /* Full flush */