diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-sh/cpu-sh2/shmparam.h | 16 | ||||
| -rw-r--r-- | include/asm-sh/cpu-sh3/cacheflush.h | 48 | ||||
| -rw-r--r-- | include/asm-sh/cpu-sh3/shmparam.h | 16 | ||||
| -rw-r--r-- | include/asm-sh/cpu-sh4/shmparam.h | 19 | ||||
| -rw-r--r-- | include/asm-sh/shmparam.h | 20 |
5 files changed, 38 insertions, 81 deletions
diff --git a/include/asm-sh/cpu-sh2/shmparam.h b/include/asm-sh/cpu-sh2/shmparam.h deleted file mode 100644 index 817c1821ee4..00000000000 --- a/include/asm-sh/cpu-sh2/shmparam.h +++ /dev/null @@ -1,16 +0,0 @@ -/* - * include/asm-sh/cpu-sh2/shmparam.h - * - * Copyright (C) 2003 Paul Mundt - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ -#ifndef __ASM_CPU_SH2_SHMPARAM_H -#define __ASM_CPU_SH2_SHMPARAM_H - -#define SHMLBA PAGE_SIZE /* attach addr a multiple of this */ - -#endif /* __ASM_CPU_SH2_SHMPARAM_H */ - diff --git a/include/asm-sh/cpu-sh3/cacheflush.h b/include/asm-sh/cpu-sh3/cacheflush.h index db0cb071ea8..97f5a64c2ab 100644 --- a/include/asm-sh/cpu-sh3/cacheflush.h +++ b/include/asm-sh/cpu-sh3/cacheflush.h @@ -35,47 +35,41 @@ /* 32KB cache, 4kb PAGE sizes need to check bit 12 */ #define CACHE_ALIAS 0x00001000 -extern void flush_cache_all(void); -extern void flush_cache_mm(struct mm_struct *mm); -extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start, - unsigned long end); -extern void flush_cache_page(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn); -extern void flush_dcache_page(struct page *pg); -extern void flush_icache_range(unsigned long start, unsigned long end); -extern void flush_icache_page(struct vm_area_struct *vma, struct page *page); - -#define flush_dcache_mmap_lock(mapping) do { } while (0) -#define flush_dcache_mmap_unlock(mapping) do { } while (0) - -/* SH3 has unified cache so no special action needed here */ -#define flush_cache_sigtramp(vaddr) do { } while (0) -#define flush_page_to_ram(page) do { } while (0) -#define flush_icache_user_range(vma,pg,adr,len) do { } while (0) - -#define p3_cache_init() do { } while (0) - #define PG_mapped PG_arch_1 -/* We provide our own get_unmapped_area to avoid cache alias issue */ -#define HAVE_ARCH_UNMAPPED_AREA - +void flush_cache_all(void); +void flush_cache_mm(struct mm_struct *mm); +void flush_cache_range(struct vm_area_struct *vma, unsigned long start, + unsigned long end); +void flush_cache_page(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn); +void flush_dcache_page(struct page *pg); +void flush_icache_range(unsigned long start, unsigned long end); +void flush_icache_page(struct vm_area_struct *vma, struct page *page); #else - #define flush_cache_all() do { } while (0) #define flush_cache_mm(mm) do { } while (0) #define flush_cache_range(vma, start, end) do { } while (0) #define flush_cache_page(vma, vmaddr, pfn) do { } while (0) #define flush_dcache_page(page) do { } while (0) -#define flush_dcache_mmap_lock(mapping) do { } while (0) -#define flush_dcache_mmap_unlock(mapping) do { } while (0) #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) +#endif + +#define flush_dcache_mmap_lock(mapping) do { } while (0) +#define flush_dcache_mmap_unlock(mapping) do { } while (0) + +/* SH3 has unified cache so no special action needed here */ #define flush_cache_sigtramp(vaddr) do { } while (0) +#define flush_icache_user_range(vma,pg,adr,len) do { } while (0) #define p3_cache_init() do { } while (0) -#endif +/* + * We provide our own get_unmapped_area to avoid cache aliasing issues + * on SH7705 with a 32KB cache, and to page align addresses in the + * non-aliasing case. + */ +#define HAVE_ARCH_UNMAPPED_AREA #endif /* __ASM_CPU_SH3_CACHEFLUSH_H */ diff --git a/include/asm-sh/cpu-sh3/shmparam.h b/include/asm-sh/cpu-sh3/shmparam.h deleted file mode 100644 index da5b5eec81e..00000000000 --- a/include/asm-sh/cpu-sh3/shmparam.h +++ /dev/null @@ -1,16 +0,0 @@ -/* - * include/asm-sh/cpu-sh3/shmparam.h - * - * Copyright (C) 1999 Niibe Yutaka - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ -#ifndef __ASM_CPU_SH3_SHMPARAM_H -#define __ASM_CPU_SH3_SHMPARAM_H - -#define SHMLBA PAGE_SIZE /* attach addr a multiple of this */ - -#endif /* __ASM_CPU_SH3_SHMPARAM_H */ - diff --git a/include/asm-sh/cpu-sh4/shmparam.h b/include/asm-sh/cpu-sh4/shmparam.h deleted file mode 100644 index a5a0aa9425f..00000000000 --- a/include/asm-sh/cpu-sh4/shmparam.h +++ /dev/null @@ -1,19 +0,0 @@ -/* - * include/asm-sh/cpu-sh4/shmparam.h - * - * Copyright (C) 1999 Niibe Yutaka - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ -#ifndef __ASM_CPU_SH4_SHMPARAM_H -#define __ASM_CPU_SH4_SHMPARAM_H - -/* - * SH-4 has D-cache alias issue - */ -#define SHMLBA (PAGE_SIZE*4) /* attach addr a multiple of this */ - -#endif /* __ASM_CPU_SH4_SHMPARAM_H */ - diff --git a/include/asm-sh/shmparam.h b/include/asm-sh/shmparam.h index 0a95604b9b6..ba1758d9010 100644 --- a/include/asm-sh/shmparam.h +++ b/include/asm-sh/shmparam.h @@ -1,8 +1,22 @@ +/* + * include/asm-sh/shmparam.h + * + * Copyright (C) 1999 Niibe Yutaka + * Copyright (C) 2006 Paul Mundt + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ #ifndef __ASM_SH_SHMPARAM_H #define __ASM_SH_SHMPARAM_H -#ifdef __KERNEL__ -#include <asm/cpu/shmparam.h> +/* + * SH-4 and SH-3 7705 have an aliasing dcache. Bump this up to a sensible value + * for everyone, and work out the specifics from the probed cache descriptor. + */ +#define SHMLBA 0x4000 /* attach addr a multiple of this */ + +#define __ARCH_FORCE_SHMLBA -#endif /* __KERNEL__ */ #endif /* __ASM_SH_SHMPARAM_H */ |