sh/mm/cache-sh2a.c

1 // SPDX-License-Identifier: GPL-2.0-only
3  * arch/sh/mm/cache-sh2a.c
47  * Write back the dirty D-caches, but not invalidate them.
57 	begin = (unsigned long)start & ~(L1_CACHE_BYTES-1);  in sh2a__flush_wback_region()
58 	end = ((unsigned long)start + size + L1_CACHE_BYTES-1)  in sh2a__flush_wback_region()
59 		& ~(L1_CACHE_BYTES-1);  in sh2a__flush_wback_region()
66 	if (((end - begin) >> PAGE_SHIFT) >= MAX_OCACHE_PAGES) {  in sh2a__flush_wback_region()
89  * Write back the dirty D-caches and invalidate them.
97 	begin = (unsigned long)start & ~(L1_CACHE_BYTES-1);  in sh2a__flush_purge_region()
98 	end = ((unsigned long)start + size + L1_CACHE_BYTES-1)  in sh2a__flush_purge_region()
99 		& ~(L1_CACHE_BYTES-1);  in sh2a__flush_purge_region()
119  * Invalidate the D-caches, but no write back please
127 	begin = (unsigned long)start & ~(L1_CACHE_BYTES-1);  in sh2a__flush_invalidate_region()
128 	end = ((unsigned long)start + size + L1_CACHE_BYTES-1)  in sh2a__flush_invalidate_region()
129 		& ~(L1_CACHE_BYTES-1);  in sh2a__flush_invalidate_region()
135 	if (((end - begin) >> PAGE_SHIFT) >= MAX_OCACHE_PAGES) {  in sh2a__flush_invalidate_region()
148  * Write back the range of D-cache, and purge the I-cache.
157 	start = data->addr1 & ~(L1_CACHE_BYTES-1);  in sh2a_flush_icache_range()
158 	end = (data->addr2 + L1_CACHE_BYTES-1) & ~(L1_CACHE_BYTES-1);  in sh2a_flush_icache_range()
161 	sh2a__flush_wback_region((void *)start, end-start);  in sh2a_flush_icache_range()
167 	/* I-Cache invalidate */  in sh2a_flush_icache_range()
169 	if (((end - start) >> PAGE_SHIFT) >= MAX_ICACHE_PAGES) {  in sh2a_flush_icache_range()