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authorPaul Mundt <lethal@linux-sh.org>2008-02-13 20:14:10 +0900
committerPaul Mundt <lethal@linux-sh.org>2008-02-14 14:22:12 +0900
commit38350e0a00f973dd9c6556beeff0f7eb5ef3f58b (patch)
treea419a9c9b45a6cb20a2f4f809f628c10a3ce9ab9 /include
parent5c8f82c64941594cdab53bf9f9a66c190781f4f6 (diff)
downloadlinux-38350e0a00f973dd9c6556beeff0f7eb5ef3f58b.tar.bz2
sh: Get SH-5 caches working again post-unification.
A number of cleanups to get the SH-5 cache management code in line with the rest of the SH backend. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'include')
-rw-r--r--include/asm-sh/cpu-sh5/cacheflush.h4
-rw-r--r--include/asm-sh/mmu_context_64.h3
-rw-r--r--include/asm-sh/page.h7
3 files changed, 9 insertions, 5 deletions
diff --git a/include/asm-sh/cpu-sh5/cacheflush.h b/include/asm-sh/cpu-sh5/cacheflush.h
index f935acbacf38..5a11f0b7e66a 100644
--- a/include/asm-sh/cpu-sh5/cacheflush.h
+++ b/include/asm-sh/cpu-sh5/cacheflush.h
@@ -3,8 +3,6 @@
#ifndef __ASSEMBLY__
-#include <asm/page.h>
-
struct vm_area_struct;
struct page;
struct mm_struct;
@@ -27,7 +25,7 @@ extern void flush_icache_user_range(struct vm_area_struct *vma,
#define flush_dcache_mmap_unlock(mapping) do { } while (0)
#define flush_icache_page(vma, page) do { } while (0)
-#define p3_cache_init() do { } while (0)
+void p3_cache_init(void);
#endif /* __ASSEMBLY__ */
diff --git a/include/asm-sh/mmu_context_64.h b/include/asm-sh/mmu_context_64.h
index 020be744b088..9649f1c07caf 100644
--- a/include/asm-sh/mmu_context_64.h
+++ b/include/asm-sh/mmu_context_64.h
@@ -66,6 +66,9 @@ static inline void set_asid(unsigned long asid)
: "=r" (sr), "=r" (pc) : "0" (sr));
}
+/* arch/sh/kernel/cpu/sh5/entry.S */
+extern unsigned long switch_and_save_asid(unsigned long new_asid);
+
/* No spare register to twiddle, so use a software cache */
extern pgd_t *mmu_pdtp_cache;
diff --git a/include/asm-sh/page.h b/include/asm-sh/page.h
index 134562dc8c45..304c30b5d947 100644
--- a/include/asm-sh/page.h
+++ b/include/asm-sh/page.h
@@ -55,11 +55,14 @@ extern void clear_page(void *to);
extern void copy_page(void *to, void *from);
#if !defined(CONFIG_CACHE_OFF) && defined(CONFIG_MMU) && \
- (defined(CONFIG_CPU_SH4) || defined(CONFIG_SH7705_CACHE_32KB))
+ (defined(CONFIG_CPU_SH5) || defined(CONFIG_CPU_SH4) || \
+ defined(CONFIG_SH7705_CACHE_32KB))
struct page;
struct vm_area_struct;
extern void clear_user_page(void *to, unsigned long address, struct page *page);
-#ifdef CONFIG_CPU_SH4
+extern void copy_user_page(void *to, void *from, unsigned long address,
+ struct page *page);
+#if defined(CONFIG_CPU_SH4)
extern void copy_user_highpage(struct page *to, struct page *from,
unsigned long vaddr, struct vm_area_struct *vma);
#define __HAVE_ARCH_COPY_USER_HIGHPAGE