2 * include/asm-sh/cpu-sh3/cacheflush.h
4 * Copyright (C) 1999 Niibe Yutaka
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License. See the file "COPYING" in the main directory of this archive
10 #ifndef __ASM_CPU_SH3_CACHEFLUSH_H
11 #define __ASM_CPU_SH3_CACHEFLUSH_H
13 #if defined(CONFIG_SH7705_CACHE_32KB)
14 /* SH7705 is an SH3 processor with 32KB cache. This has alias issues like the
15 * SH4. Unlike the SH4 this is a unified cache so we need to do some work
16 * in mmap when 'exec'ing a new binary
18 /* 32KB cache, 4kb PAGE sizes need to check bit 12 */
19 #define CACHE_ALIAS 0x00001000
21 #define PG_mapped PG_arch_1
23 void flush_cache_all(void);
24 void flush_cache_mm(struct mm_struct *mm);
25 #define flush_cache_dup_mm(mm) flush_cache_mm(mm)
26 void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
28 void flush_cache_page(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn);
29 void flush_dcache_page(struct page *pg);
30 void flush_icache_range(unsigned long start, unsigned long end);
31 void flush_icache_page(struct vm_area_struct *vma, struct page *page);
33 #define flush_dcache_mmap_lock(mapping) do { } while (0)
34 #define flush_dcache_mmap_unlock(mapping) do { } while (0)
36 /* SH3 has unified cache so no special action needed here */
37 #define flush_cache_sigtramp(vaddr) do { } while (0)
38 #define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
40 #define p3_cache_init() do { } while (0)
43 #include <cpu-common/cpu/cacheflush.h>
46 #endif /* __ASM_CPU_SH3_CACHEFLUSH_H */