projects / thirdparty / kernel / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 1da177e4 LT |
2 | #ifndef _ASM_M32R_CACHEFLUSH_H |
| 3 | #define _ASM_M32R_CACHEFLUSH_H | |
| 4 | ||
| 1da177e4 LT |
5 | #include <linux/mm.h> |
| 6 | ||
| 7 | extern void _flush_cache_all(void); | |
| 8 | extern void _flush_cache_copyback_all(void); | |
| 9 | ||
| 9287d95e | 10 | #if defined(CONFIG_CHIP_M32700) || defined(CONFIG_CHIP_OPSP) || defined(CONFIG_CHIP_M32104) |
| 1da177e4 LT |
11 | #define flush_cache_all() do { } while (0) |
| 12 | #define flush_cache_mm(mm) do { } while (0) | |
| ec8c0446 | 13 | #define flush_cache_dup_mm(mm) do { } while (0) |
| 1da177e4 LT |
14 | #define flush_cache_range(vma, start, end) do { } while (0) |
| 15 | #define flush_cache_page(vma, vmaddr, pfn) do { } while (0) | |
| 2d4dc890 | 16 | #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0 |
| 1da177e4 LT |
17 | #define flush_dcache_page(page) do { } while (0) |
| 18 | #define flush_dcache_mmap_lock(mapping) do { } while (0) | |
| 19 | #define flush_dcache_mmap_unlock(mapping) do { } while (0) | |
| 20 | #ifndef CONFIG_SMP | |
| 21 | #define flush_icache_range(start, end) _flush_cache_copyback_all() | |
| 22 | #define flush_icache_page(vma,pg) _flush_cache_copyback_all() | |
| 23 | #define flush_icache_user_range(vma,pg,adr,len) _flush_cache_copyback_all() | |
| 24 | #define flush_cache_sigtramp(addr) _flush_cache_copyback_all() | |
| 25 | #else /* CONFIG_SMP */ | |
| 26 | extern void smp_flush_cache_all(void); | |
| 27 | #define flush_icache_range(start, end) smp_flush_cache_all() | |
| 28 | #define flush_icache_page(vma,pg) smp_flush_cache_all() | |
| 29 | #define flush_icache_user_range(vma,pg,adr,len) smp_flush_cache_all() | |
| 30 | #define flush_cache_sigtramp(addr) _flush_cache_copyback_all() | |
| 31 | #endif /* CONFIG_SMP */ | |
| 32 | #elif defined(CONFIG_CHIP_M32102) | |
| 33 | #define flush_cache_all() do { } while (0) | |
| 34 | #define flush_cache_mm(mm) do { } while (0) | |
| ec8c0446 | 35 | #define flush_cache_dup_mm(mm) do { } while (0) |
| 1da177e4 LT |
36 | #define flush_cache_range(vma, start, end) do { } while (0) |
| 37 | #define flush_cache_page(vma, vmaddr, pfn) do { } while (0) | |
| 2d4dc890 | 38 | #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0 |
| 1da177e4 LT |
39 | #define flush_dcache_page(page) do { } while (0) |
| 40 | #define flush_dcache_mmap_lock(mapping) do { } while (0) | |
| 41 | #define flush_dcache_mmap_unlock(mapping) do { } while (0) | |
| 42 | #define flush_icache_range(start, end) _flush_cache_all() | |
| 43 | #define flush_icache_page(vma,pg) _flush_cache_all() | |
| 44 | #define flush_icache_user_range(vma,pg,adr,len) _flush_cache_all() | |
| 45 | #define flush_cache_sigtramp(addr) _flush_cache_all() | |
| 46 | #else | |
| 47 | #define flush_cache_all() do { } while (0) | |
| 48 | #define flush_cache_mm(mm) do { } while (0) | |
| ec8c0446 | 49 | #define flush_cache_dup_mm(mm) do { } while (0) |
| 1da177e4 LT |
50 | #define flush_cache_range(vma, start, end) do { } while (0) |
| 51 | #define flush_cache_page(vma, vmaddr, pfn) do { } while (0) | |
| 2d4dc890 | 52 | #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0 |
| 1da177e4 LT |
53 | #define flush_dcache_page(page) do { } while (0) |
| 54 | #define flush_dcache_mmap_lock(mapping) do { } while (0) | |
| 55 | #define flush_dcache_mmap_unlock(mapping) do { } while (0) | |
| 56 | #define flush_icache_range(start, end) do { } while (0) | |
| 57 | #define flush_icache_page(vma,pg) do { } while (0) | |
| 58 | #define flush_icache_user_range(vma,pg,adr,len) do { } while (0) | |
| 59 | #define flush_cache_sigtramp(addr) do { } while (0) | |
| 60 | #endif /* CONFIG_CHIP_* */ | |
| 61 | ||
| 62 | #define flush_cache_vmap(start, end) do { } while (0) | |
| 63 | #define flush_cache_vunmap(start, end) do { } while (0) | |
| 64 | ||
| 65 | #define copy_to_user_page(vma, page, vaddr, dst, src, len) \ | |
| 66 | do { \ | |
| 67 | memcpy(dst, src, len); \ | |
| 68 | flush_icache_user_range(vma, page, vaddr, len); \ | |
| 69 | } while (0) | |
| 70 | #define copy_from_user_page(vma, page, vaddr, dst, src, len) \ | |
| 71 | memcpy(dst, src, len) | |
| 72 | ||
| 73 | #endif /* _ASM_M32R_CACHEFLUSH_H */ |