| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #ifndef _ASM_IA64_CACHEFLUSH_H |
| 3 | #define _ASM_IA64_CACHEFLUSH_H |
| 4 | |
| 5 | /* |
| 6 | * Copyright (C) 2002 Hewlett-Packard Co |
| 7 | * David Mosberger-Tang <davidm@hpl.hp.com> |
| 8 | */ |
| 9 | |
| 10 | #include <linux/page-flags.h> |
| 11 | #include <linux/bitops.h> |
| 12 | |
| 13 | #include <asm/page.h> |
| 14 | |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 15 | #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1 |
| 16 | #define flush_dcache_page(page) \ |
| 17 | do { \ |
| 18 | clear_bit(PG_arch_1, &(page)->flags); \ |
| 19 | } while (0) |
| 20 | |
| Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 21 | extern void flush_icache_range(unsigned long start, unsigned long end); |
| 22 | #define flush_icache_range flush_icache_range |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 23 | extern void clflush_cache_range(void *addr, int size); |
| 24 | |
| Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 25 | #define flush_icache_user_page(vma, page, user_addr, len) \ |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 26 | do { \ |
| 27 | unsigned long _addr = (unsigned long) page_address(page) + ((user_addr) & ~PAGE_MASK); \ |
| 28 | flush_icache_range(_addr, _addr + (len)); \ |
| 29 | } while (0) |
| 30 | |
| Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 31 | #include <asm-generic/cacheflush.h> |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 32 | |
| 33 | #endif /* _ASM_IA64_CACHEFLUSH_H */ |