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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 | ||
16 | BTFIXUPDEF_CALL(void, local_flush_cache_all, void) | |
17 | BTFIXUPDEF_CALL(void, local_flush_cache_mm, struct mm_struct *) | |
18 | BTFIXUPDEF_CALL(void, local_flush_cache_range, struct vm_area_struct *, unsigned long, unsigned long) | |
19 | BTFIXUPDEF_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 | ||
26 | BTFIXUPDEF_CALL(void, local_flush_page_to_ram, unsigned long) | |
27 | BTFIXUPDEF_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 | ||
32 | extern void smp_flush_cache_all(void); | |
33 | extern void smp_flush_cache_mm(struct mm_struct *mm); | |
34 | extern void smp_flush_cache_range(struct vm_area_struct *vma, | |
35 | unsigned long start, | |
36 | unsigned long end); | |
37 | extern void smp_flush_cache_page(struct vm_area_struct *vma, unsigned long page); | |
38 | ||
39 | extern void smp_flush_page_to_ram(unsigned long page); | |
40 | extern void smp_flush_sig_insns(struct mm_struct *mm, unsigned long insn_addr); | |
41 | ||
42 | #endif /* CONFIG_SMP */ | |
43 | ||
44 | BTFIXUPDEF_CALL(void, flush_cache_all, void) | |
45 | BTFIXUPDEF_CALL(void, flush_cache_mm, struct mm_struct *) | |
46 | BTFIXUPDEF_CALL(void, flush_cache_range, struct vm_area_struct *, unsigned long, unsigned long) | |
47 | BTFIXUPDEF_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 | ||
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 | ||
2d4dc890 | 78 | #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1 |
f5e706ad SR |
79 | #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 */ |