diff options
Diffstat (limited to 'arch/csky/abiv1/inc')
| -rw-r--r-- | arch/csky/abiv1/inc/abi/cacheflush.h | 45 | ||||
| -rw-r--r-- | arch/csky/abiv1/inc/abi/page.h | 5 |
2 files changed, 34 insertions, 16 deletions
diff --git a/arch/csky/abiv1/inc/abi/cacheflush.h b/arch/csky/abiv1/inc/abi/cacheflush.h index 5f663aef9b1b..79ef9e8c1afd 100644 --- a/arch/csky/abiv1/inc/abi/cacheflush.h +++ b/arch/csky/abiv1/inc/abi/cacheflush.h @@ -4,46 +4,63 @@ #ifndef __ABI_CSKY_CACHEFLUSH_H #define __ABI_CSKY_CACHEFLUSH_H -#include <linux/compiler.h> +#include <linux/mm.h> #include <asm/string.h> #include <asm/cache.h> #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1 extern void flush_dcache_page(struct page *); -#define flush_cache_mm(mm) cache_wbinv_all() +#define flush_cache_mm(mm) dcache_wbinv_all() #define flush_cache_page(vma, page, pfn) cache_wbinv_all() #define flush_cache_dup_mm(mm) cache_wbinv_all() +#define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE +extern void flush_kernel_dcache_page(struct page *); + +#define flush_dcache_mmap_lock(mapping) xa_lock_irq(&mapping->i_pages) +#define flush_dcache_mmap_unlock(mapping) xa_unlock_irq(&mapping->i_pages) + +static inline void flush_kernel_vmap_range(void *addr, int size) +{ + dcache_wbinv_all(); +} +static inline void invalidate_kernel_vmap_range(void *addr, int size) +{ + dcache_wbinv_all(); +} + +#define ARCH_HAS_FLUSH_ANON_PAGE +static inline void flush_anon_page(struct vm_area_struct *vma, + struct page *page, unsigned long vmaddr) +{ + if (PageAnon(page)) + cache_wbinv_all(); +} + /* * if (current_mm != vma->mm) cache_wbinv_range(start, end) will be broken. * Use cache_wbinv_all() here and need to be improved in future. */ -#define flush_cache_range(vma, start, end) cache_wbinv_all() -#define flush_cache_vmap(start, end) cache_wbinv_range(start, end) -#define flush_cache_vunmap(start, end) cache_wbinv_range(start, end) +extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end); +#define flush_cache_vmap(start, end) cache_wbinv_all() +#define flush_cache_vunmap(start, end) cache_wbinv_all() -#define flush_icache_page(vma, page) cache_wbinv_all() +#define flush_icache_page(vma, page) do {} while (0); #define flush_icache_range(start, end) cache_wbinv_range(start, end) -#define flush_icache_user_range(vma, pg, adr, len) \ - cache_wbinv_range(adr, adr + len) +#define flush_icache_user_range(vma,page,addr,len) \ + flush_dcache_page(page) #define copy_from_user_page(vma, page, vaddr, dst, src, len) \ do { \ - cache_wbinv_all(); \ memcpy(dst, src, len); \ - cache_wbinv_all(); \ } while (0) #define copy_to_user_page(vma, page, vaddr, dst, src, len) \ do { \ - cache_wbinv_all(); \ memcpy(dst, src, len); \ cache_wbinv_all(); \ } while (0) -#define flush_dcache_mmap_lock(mapping) do {} while (0) -#define flush_dcache_mmap_unlock(mapping) do {} while (0) - #endif /* __ABI_CSKY_CACHEFLUSH_H */ diff --git a/arch/csky/abiv1/inc/abi/page.h b/arch/csky/abiv1/inc/abi/page.h index 6336e92a103a..c864519117c7 100644 --- a/arch/csky/abiv1/inc/abi/page.h +++ b/arch/csky/abiv1/inc/abi/page.h @@ -1,13 +1,14 @@ /* SPDX-License-Identifier: GPL-2.0 */ // Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd. -extern unsigned long shm_align_mask; +#include <asm/shmparam.h> + extern void flush_dcache_page(struct page *page); static inline unsigned long pages_do_alias(unsigned long addr1, unsigned long addr2) { - return (addr1 ^ addr2) & shm_align_mask; + return (addr1 ^ addr2) & (SHMLBA-1); } static inline void clear_user_page(void *addr, unsigned long vaddr, |