| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | #ifndef _SPARC_CACHEFLUSH_H |
| 2 | #define _SPARC_CACHEFLUSH_H |
| 3 | |
| 4 | #include <linux/config.h> |
| 5 | #include <linux/mm.h> /* Common for other includes */ |
| 6 | // #include <linux/kernel.h> from pgalloc.h |
| 7 | // #include <linux/sched.h> from pgalloc.h |
| 8 | |
| 9 | // #include <asm/page.h> |
| 10 | #include <asm/btfixup.h> |
| 11 | |
| 12 | /* |
| 13 | * Fine grained cache flushing. |
| 14 | */ |
| 15 | #ifdef CONFIG_SMP |
| 16 | |
| 17 | BTFIXUPDEF_CALL(void, local_flush_cache_all, void) |
| 18 | BTFIXUPDEF_CALL(void, local_flush_cache_mm, struct mm_struct *) |
| 19 | BTFIXUPDEF_CALL(void, local_flush_cache_range, struct vm_area_struct *, unsigned long, unsigned long) |
| 20 | BTFIXUPDEF_CALL(void, local_flush_cache_page, struct vm_area_struct *, unsigned long) |
| 21 | |
| 22 | #define local_flush_cache_all() BTFIXUP_CALL(local_flush_cache_all)() |
| 23 | #define local_flush_cache_mm(mm) BTFIXUP_CALL(local_flush_cache_mm)(mm) |
| 24 | #define local_flush_cache_range(vma,start,end) BTFIXUP_CALL(local_flush_cache_range)(vma,start,end) |
| 25 | #define local_flush_cache_page(vma,addr) BTFIXUP_CALL(local_flush_cache_page)(vma,addr) |
| 26 | |
| 27 | BTFIXUPDEF_CALL(void, local_flush_page_to_ram, unsigned long) |
| 28 | BTFIXUPDEF_CALL(void, local_flush_sig_insns, struct mm_struct *, unsigned long) |
| 29 | |
| 30 | #define local_flush_page_to_ram(addr) BTFIXUP_CALL(local_flush_page_to_ram)(addr) |
| 31 | #define local_flush_sig_insns(mm,insn_addr) BTFIXUP_CALL(local_flush_sig_insns)(mm,insn_addr) |
| 32 | |
| 33 | extern void smp_flush_cache_all(void); |
| 34 | extern void smp_flush_cache_mm(struct mm_struct *mm); |
| 35 | extern void smp_flush_cache_range(struct vm_area_struct *vma, |
| 36 | unsigned long start, |
| 37 | unsigned long end); |
| 38 | extern void smp_flush_cache_page(struct vm_area_struct *vma, unsigned long page); |
| 39 | |
| 40 | extern void smp_flush_page_to_ram(unsigned long page); |
| 41 | extern void smp_flush_sig_insns(struct mm_struct *mm, unsigned long insn_addr); |
| 42 | |
| 43 | #endif /* CONFIG_SMP */ |
| 44 | |
| 45 | BTFIXUPDEF_CALL(void, flush_cache_all, void) |
| 46 | BTFIXUPDEF_CALL(void, flush_cache_mm, struct mm_struct *) |
| 47 | BTFIXUPDEF_CALL(void, flush_cache_range, struct vm_area_struct *, unsigned long, unsigned long) |
| 48 | BTFIXUPDEF_CALL(void, flush_cache_page, struct vm_area_struct *, unsigned long) |
| 49 | |
| 50 | #define flush_cache_all() BTFIXUP_CALL(flush_cache_all)() |
| 51 | #define flush_cache_mm(mm) BTFIXUP_CALL(flush_cache_mm)(mm) |
| 52 | #define flush_cache_range(vma,start,end) BTFIXUP_CALL(flush_cache_range)(vma,start,end) |
| 53 | #define flush_cache_page(vma,addr,pfn) BTFIXUP_CALL(flush_cache_page)(vma,addr) |
| 54 | #define flush_icache_range(start, end) do { } while (0) |
| 55 | #define flush_icache_page(vma, pg) do { } while (0) |
| 56 | |
| 57 | #define flush_icache_user_range(vma,pg,adr,len) do { } while (0) |
| 58 | |
| 59 | #define copy_to_user_page(vma, page, vaddr, dst, src, len) \ |
| 60 | do { \ |
| 61 | flush_cache_page(vma, vaddr, page_to_pfn(page));\ |
| 62 | memcpy(dst, src, len); \ |
| 63 | } while (0) |
| 64 | #define copy_from_user_page(vma, page, vaddr, dst, src, len) \ |
| 65 | do { \ |
| 66 | flush_cache_page(vma, vaddr, page_to_pfn(page));\ |
| 67 | memcpy(dst, src, len); \ |
| 68 | } while (0) |
| 69 | |
| 70 | BTFIXUPDEF_CALL(void, __flush_page_to_ram, unsigned long) |
| 71 | BTFIXUPDEF_CALL(void, flush_sig_insns, struct mm_struct *, unsigned long) |
| 72 | |
| 73 | #define __flush_page_to_ram(addr) BTFIXUP_CALL(__flush_page_to_ram)(addr) |
| 74 | #define flush_sig_insns(mm,insn_addr) BTFIXUP_CALL(flush_sig_insns)(mm,insn_addr) |
| 75 | |
| 76 | extern void sparc_flush_page_to_ram(struct page *page); |
| 77 | |
| 78 | #define flush_dcache_page(page) sparc_flush_page_to_ram(page) |
| 79 | #define flush_dcache_mmap_lock(mapping) do { } while (0) |
| 80 | #define flush_dcache_mmap_unlock(mapping) do { } while (0) |
| 81 | |
| 82 | #define flush_cache_vmap(start, end) flush_cache_all() |
| 83 | #define flush_cache_vunmap(start, end) flush_cache_all() |
| 84 | |
| 85 | #endif /* _SPARC_CACHEFLUSH_H */ |