Viewing file:  cacheflush.h (3.46 KB) -rw-r--r--
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#ifndef _SPARC_CACHEFLUSH_H
#define _SPARC_CACHEFLUSH_H
#include <linux/mm.h> /* Common for other includes */
// #include <linux/kernel.h> from pgalloc.h
// #include <linux/sched.h> from pgalloc.h
// #include <asm/page.h>
#include <asm/btfixup.h>
/*
* Fine grained cache flushing.
*/
#ifdef CONFIG_SMP
BTFIXUPDEF_CALL(void, local_flush_cache_all, void)
BTFIXUPDEF_CALL(void, local_flush_cache_mm, struct mm_struct *)
BTFIXUPDEF_CALL(void, local_flush_cache_range, struct vm_area_struct *, unsigned long, unsigned long)
BTFIXUPDEF_CALL(void, local_flush_cache_page, struct vm_area_struct *, unsigned long)
#define local_flush_cache_all() BTFIXUP_CALL(local_flush_cache_all)()
#define local_flush_cache_mm(mm) BTFIXUP_CALL(local_flush_cache_mm)(mm)
#define local_flush_cache_range(vma,start,end) BTFIXUP_CALL(local_flush_cache_range)(vma,start,end)
#define local_flush_cache_page(vma,addr) BTFIXUP_CALL(local_flush_cache_page)(vma,addr)
BTFIXUPDEF_CALL(void, local_flush_page_to_ram, unsigned long)
BTFIXUPDEF_CALL(void, local_flush_sig_insns, struct mm_struct *, unsigned long)
#define local_flush_page_to_ram(addr) BTFIXUP_CALL(local_flush_page_to_ram)(addr)
#define local_flush_sig_insns(mm,insn_addr) BTFIXUP_CALL(local_flush_sig_insns)(mm,insn_addr)
extern void smp_flush_cache_all(void);
extern void smp_flush_cache_mm(struct mm_struct *mm);
extern void smp_flush_cache_range(struct vm_area_struct *vma,
unsigned long start,
unsigned long end);
extern void smp_flush_cache_page(struct vm_area_struct *vma, unsigned long page);
extern void smp_flush_page_to_ram(unsigned long page);
extern void smp_flush_sig_insns(struct mm_struct *mm, unsigned long insn_addr);
#endif /* CONFIG_SMP */
BTFIXUPDEF_CALL(void, flush_cache_all, void)
BTFIXUPDEF_CALL(void, flush_cache_mm, struct mm_struct *)
BTFIXUPDEF_CALL(void, flush_cache_range, struct vm_area_struct *, unsigned long, unsigned long)
BTFIXUPDEF_CALL(void, flush_cache_page, struct vm_area_struct *, unsigned long)
#define flush_cache_all() BTFIXUP_CALL(flush_cache_all)()
#define flush_cache_mm(mm) BTFIXUP_CALL(flush_cache_mm)(mm)
#define flush_cache_dup_mm(mm) BTFIXUP_CALL(flush_cache_mm)(mm)
#define flush_cache_range(vma,start,end) BTFIXUP_CALL(flush_cache_range)(vma,start,end)
#define flush_cache_page(vma,addr,pfn) BTFIXUP_CALL(flush_cache_page)(vma,addr)
#define flush_icache_range(start, end) do { } while (0)
#define flush_icache_page(vma, pg) do { } while (0)
#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
do { \
flush_cache_page(vma, vaddr, page_to_pfn(page));\
memcpy(dst, src, len); \
} while (0)
#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
do { \
flush_cache_page(vma, vaddr, page_to_pfn(page));\
memcpy(dst, src, len); \
} while (0)
BTFIXUPDEF_CALL(void, __flush_page_to_ram, unsigned long)
BTFIXUPDEF_CALL(void, flush_sig_insns, struct mm_struct *, unsigned long)
#define __flush_page_to_ram(addr) BTFIXUP_CALL(__flush_page_to_ram)(addr)
#define flush_sig_insns(mm,insn_addr) BTFIXUP_CALL(flush_sig_insns)(mm,insn_addr)
extern void sparc_flush_page_to_ram(struct page *page);
#define flush_dcache_page(page) sparc_flush_page_to_ram(page)
#define flush_dcache_mmap_lock(mapping) do { } while (0)
#define flush_dcache_mmap_unlock(mapping) do { } while (0)
#define flush_cache_vmap(start, end) flush_cache_all()
#define flush_cache_vunmap(start, end) flush_cache_all()
#endif /* _SPARC_CACHEFLUSH_H */
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