This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / include / asm-m32r / cacheflush.h

diff --git a/include/asm-m32r/cacheflush.h b/include/asm-m32r/cacheflush.h
new file mode 100644 (file)
index 0000000..cf65b74
--- /dev/null
+++ b/include/asm-m32r/cacheflush.h
@@ -0,0 +1,68 @@
+#ifndef _ASM_M32R_CACHEFLUSH_H
+#define _ASM_M32R_CACHEFLUSH_H
+
+#include <linux/config.h>
+#include <linux/mm.h>
+
+extern void _flush_cache_all(void);
+extern void _flush_cache_copyback_all(void);
+
+#if defined(CONFIG_CHIP_M32700) || defined(CONFIG_CHIP_OPSP)
+#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_dcache_page(page)                        do { } while (0)
+#define flush_dcache_mmap_lock(mapping)                do { } while (0)
+#define flush_dcache_mmap_unlock(mapping)      do { } while (0)
+#ifndef CONFIG_SMP
+#define flush_icache_range(start, end)         _flush_cache_copyback_all()
+#define flush_icache_page(vma,pg)              _flush_cache_copyback_all()
+#define flush_icache_user_range(vma,pg,adr,len)        _flush_cache_copyback_all()
+#define flush_cache_sigtramp(addr)             _flush_cache_copyback_all()
+#else  /* CONFIG_SMP */
+extern void smp_flush_cache_all(void);
+#define flush_icache_range(start, end)         smp_flush_cache_all()
+#define flush_icache_page(vma,pg)              smp_flush_cache_all()
+#define flush_icache_user_range(vma,pg,adr,len)        smp_flush_cache_all()
+#define flush_cache_sigtramp(addr)             _flush_cache_copyback_all()
+#endif /* CONFIG_SMP */
+#elif defined(CONFIG_CHIP_M32102)
+#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_dcache_page(page)                        do { } while (0)
+#define flush_dcache_mmap_lock(mapping)                do { } while (0)
+#define flush_dcache_mmap_unlock(mapping)      do { } while (0)
+#define flush_icache_range(start, end)         _flush_cache_all()
+#define flush_icache_page(vma,pg)              _flush_cache_all()
+#define flush_icache_user_range(vma,pg,adr,len)        _flush_cache_all()
+#define flush_cache_sigtramp(addr)             _flush_cache_all()
+#else
+#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_dcache_page(page)                        do { } while (0)
+#define flush_dcache_mmap_lock(mapping)                do { } while (0)
+#define flush_dcache_mmap_unlock(mapping)      do { } while (0)
+#define flush_icache_range(start, end)         do { } while (0)
+#define flush_icache_page(vma,pg)              do { } while (0)
+#define flush_icache_user_range(vma,pg,adr,len)        do { } while (0)
+#define flush_cache_sigtramp(addr)             do { } while (0)
+#endif /* CONFIG_CHIP_* */
+
+#define flush_cache_vmap(start, end)   do { } while (0)
+#define flush_cache_vunmap(start, end) do { } while (0)
+
+#define copy_to_user_page(vma, page, vaddr, dst, src, len)     \
+do {                                                           \
+       memcpy(dst, src, len);                                  \
+       flush_icache_user_range(vma, page, vaddr, len);         \
+} while (0)
+#define copy_from_user_page(vma, page, vaddr, dst, src, len)   \
+       memcpy(dst, src, len)
+
+#endif /* _ASM_M32R_CACHEFLUSH_H */
+