1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _SPARC_CACHEFLUSH_H
 3#define _SPARC_CACHEFLUSH_H
 4
 5#include <asm/cachetlb_32.h>
 6
 7#define flush_cache_all() \
 8	sparc32_cachetlb_ops->cache_all()
 9#define flush_cache_mm(mm) \
10	sparc32_cachetlb_ops->cache_mm(mm)
11#define flush_cache_dup_mm(mm) \
12	sparc32_cachetlb_ops->cache_mm(mm)
13#define flush_cache_range(vma,start,end) \
14	sparc32_cachetlb_ops->cache_range(vma, start, end)
15#define flush_cache_page(vma,addr,pfn) \
16	sparc32_cachetlb_ops->cache_page(vma, addr)
17#define flush_icache_range(start, end)		do { } while (0)
18#define flush_icache_page(vma, pg)		do { } while (0)
19
20#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
21	do {							\
22		flush_cache_page(vma, vaddr, page_to_pfn(page));\
23		memcpy(dst, src, len);				\
24	} while (0)
25#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
26	do {							\
27		flush_cache_page(vma, vaddr, page_to_pfn(page));\
28		memcpy(dst, src, len);				\
29	} while (0)
30
31#define __flush_page_to_ram(addr) \
32	sparc32_cachetlb_ops->page_to_ram(addr)
33#define flush_sig_insns(mm,insn_addr) \
34	sparc32_cachetlb_ops->sig_insns(mm, insn_addr)
35#define flush_page_for_dma(addr) \
36	sparc32_cachetlb_ops->page_for_dma(addr)
37
38struct page;
39void sparc_flush_page_to_ram(struct page *page);
40
41#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
42#define flush_dcache_page(page)			sparc_flush_page_to_ram(page)
43#define flush_dcache_mmap_lock(mapping)		do { } while (0)
44#define flush_dcache_mmap_unlock(mapping)	do { } while (0)
45
46#define flush_cache_vmap(start, end)		flush_cache_all()
47#define flush_cache_vunmap(start, end)		flush_cache_all()
48
49/* When a context switch happens we must flush all user windows so that
50 * the windows of the current process are flushed onto its stack. This
51 * way the windows are all clean for the next process and the stack
52 * frames are up to date.
53 */
54void flush_user_windows(void);
55void kill_user_windows(void);
56void flushw_all(void);
57
58#endif /* _SPARC_CACHEFLUSH_H */

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _SPARC_CACHEFLUSH_H
 3#define _SPARC_CACHEFLUSH_H
 4
 5#include <asm/cachetlb_32.h>
 6
 7#define flush_cache_all() \
 8	sparc32_cachetlb_ops->cache_all()
 9#define flush_cache_mm(mm) \
10	sparc32_cachetlb_ops->cache_mm(mm)
11#define flush_cache_dup_mm(mm) \
12	sparc32_cachetlb_ops->cache_mm(mm)
13#define flush_cache_range(vma,start,end) \
14	sparc32_cachetlb_ops->cache_range(vma, start, end)
15#define flush_cache_page(vma,addr,pfn) \
16	sparc32_cachetlb_ops->cache_page(vma, addr)
17#define flush_icache_range(start, end)		do { } while (0)
18#define flush_icache_page(vma, pg)		do { } while (0)
19
20#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
21	do {							\
22		flush_cache_page(vma, vaddr, page_to_pfn(page));\
23		memcpy(dst, src, len);				\
24	} while (0)
25#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
26	do {							\
27		flush_cache_page(vma, vaddr, page_to_pfn(page));\
28		memcpy(dst, src, len);				\
29	} while (0)
30
31#define __flush_page_to_ram(addr) \
32	sparc32_cachetlb_ops->page_to_ram(addr)
33#define flush_sig_insns(mm,insn_addr) \
34	sparc32_cachetlb_ops->sig_insns(mm, insn_addr)
35#define flush_page_for_dma(addr) \
36	sparc32_cachetlb_ops->page_for_dma(addr)
37
 
38void sparc_flush_page_to_ram(struct page *page);
39
40#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
41#define flush_dcache_page(page)			sparc_flush_page_to_ram(page)
42#define flush_dcache_mmap_lock(mapping)		do { } while (0)
43#define flush_dcache_mmap_unlock(mapping)	do { } while (0)
44
45#define flush_cache_vmap(start, end)		flush_cache_all()
46#define flush_cache_vunmap(start, end)		flush_cache_all()
47
48/* When a context switch happens we must flush all user windows so that
49 * the windows of the current process are flushed onto its stack. This
50 * way the windows are all clean for the next process and the stack
51 * frames are up to date.
52 */
53void flush_user_windows(void);
54void kill_user_windows(void);
55void flushw_all(void);
56
57#endif /* _SPARC_CACHEFLUSH_H */