| #ifndef _ASM_IA64_CACHEFLUSH_H |
| #define _ASM_IA64_CACHEFLUSH_H |
| |
| /* |
| * Copyright (C) 2002 Hewlett-Packard Co |
| * David Mosberger-Tang <davidm@hpl.hp.com> |
| */ |
| |
| #include <asm/bitops.h> |
| #include <asm/page.h> |
| |
| /* |
| * Cache flushing routines. This is the kind of stuff that can be very expensive, so try |
| * to avoid them whenever possible. |
| */ |
| |
| #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) do { } while (0) |
| #define flush_page_to_ram(page) do { } while (0) |
| #define flush_icache_page(vma,page) do { } while (0) |
| |
| #define flush_dcache_page(page) \ |
| do { \ |
| clear_bit(PG_arch_1, &page->flags); \ |
| } while (0) |
| |
| extern void flush_icache_range (unsigned long start, unsigned long end); |
| |
| #define flush_icache_user_range(vma, page, user_addr, len) \ |
| do { \ |
| unsigned long _addr = (unsigned long) page_address(page) + ((user_addr) & ~PAGE_MASK); \ |
| flush_icache_range(_addr, _addr + (len)); \ |
| } while (0) |
| |
| #endif /* _ASM_IA64_CACHEFLUSH_H */ |
