1#ifndef _SPARC_CACHEFLUSH_H 2#define _SPARC_CACHEFLUSH_H 3 4#include <linux/mm.h> /* Common for other includes */ 5// #include <linux/kernel.h> from pgalloc.h 6// #include <linux/sched.h> from pgalloc.h 7 8// #include <asm/page.h> 9#include <asm/btfixup.h> 10 11/* 12 * Fine grained cache flushing. 13 */ 14#ifdef CONFIG_SMP 15 16BTFIXUPDEF_CALL(void, local_flush_cache_all, void) 17BTFIXUPDEF_CALL(void, local_flush_cache_mm, struct mm_struct *) 18BTFIXUPDEF_CALL(void, local_flush_cache_range, struct vm_area_struct *, unsigned long, unsigned long) 19BTFIXUPDEF_CALL(void, local_flush_cache_page, struct vm_area_struct *, unsigned long) 20 21#define local_flush_cache_all() BTFIXUP_CALL(local_flush_cache_all)() 22#define local_flush_cache_mm(mm) BTFIXUP_CALL(local_flush_cache_mm)(mm) 23#define local_flush_cache_range(vma,start,end) BTFIXUP_CALL(local_flush_cache_range)(vma,start,end) 24#define local_flush_cache_page(vma,addr) BTFIXUP_CALL(local_flush_cache_page)(vma,addr) 25 26BTFIXUPDEF_CALL(void, local_flush_page_to_ram, unsigned long) 27BTFIXUPDEF_CALL(void, local_flush_sig_insns, struct mm_struct *, unsigned long) 28 29#define local_flush_page_to_ram(addr) BTFIXUP_CALL(local_flush_page_to_ram)(addr) 30#define local_flush_sig_insns(mm,insn_addr) BTFIXUP_CALL(local_flush_sig_insns)(mm,insn_addr) 31 32extern void smp_flush_cache_all(void); 33extern void smp_flush_cache_mm(struct mm_struct *mm); 34extern void smp_flush_cache_range(struct vm_area_struct *vma, 35 unsigned long start, 36 unsigned long end); 37extern void smp_flush_cache_page(struct vm_area_struct *vma, unsigned long page); 38 39extern void smp_flush_page_to_ram(unsigned long page); 40extern void smp_flush_sig_insns(struct mm_struct *mm, unsigned long insn_addr); 41 42#endif /* CONFIG_SMP */ 43 44BTFIXUPDEF_CALL(void, flush_cache_all, void) 45BTFIXUPDEF_CALL(void, flush_cache_mm, struct mm_struct *) 46BTFIXUPDEF_CALL(void, flush_cache_range, struct vm_area_struct *, unsigned long, unsigned long) 47BTFIXUPDEF_CALL(void, flush_cache_page, struct vm_area_struct *, unsigned long) 48 49#define flush_cache_all() BTFIXUP_CALL(flush_cache_all)() 50#define flush_cache_mm(mm) BTFIXUP_CALL(flush_cache_mm)(mm) 51#define flush_cache_dup_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 70BTFIXUPDEF_CALL(void, __flush_page_to_ram, unsigned long) 71BTFIXUPDEF_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 76extern 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 */ 86