blob: 2e468773f250f788676c835524927946ddafde7e [file] [log] [blame]
Sam Ravnborgf5e706a2008-07-17 21:55:51 -07001#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
Ilya Loginov2d4dc892009-11-26 09:16:19 +010078#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
Sam Ravnborgf5e706a2008-07-17 21:55:51 -070079#define flush_dcache_page(page) sparc_flush_page_to_ram(page)
80#define flush_dcache_mmap_lock(mapping) do { } while (0)
81#define flush_dcache_mmap_unlock(mapping) do { } while (0)
82
83#define flush_cache_vmap(start, end) flush_cache_all()
84#define flush_cache_vunmap(start, end) flush_cache_all()
85
86#endif /* _SPARC_CACHEFLUSH_H */