+++ /dev/null
-/*
- * include/asm-sh/cpu-sh3/cacheflush.h
- *
- * Copyright (C) 1999 Niibe Yutaka
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-#ifndef __ASM_CPU_SH3_CACHEFLUSH_H
-#define __ASM_CPU_SH3_CACHEFLUSH_H
-
-#if defined(CONFIG_SH7705_CACHE_32KB)
-/* SH7705 is an SH3 processor with 32KB cache. This has alias issues like the
- * SH4. Unlike the SH4 this is a unified cache so we need to do some work
- * in mmap when 'exec'ing a new binary
- */
-void flush_cache_all(void);
-void flush_cache_mm(struct mm_struct *mm);
-#define flush_cache_dup_mm(mm) flush_cache_mm(mm)
-void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
- unsigned long end);
-void flush_cache_page(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn);
-void flush_dcache_page(struct page *pg);
-void flush_icache_range(unsigned long start, unsigned long end);
-void flush_icache_page(struct vm_area_struct *vma, struct page *page);
-
-/* SH3 has unified cache so no special action needed here */
-#define flush_cache_sigtramp(vaddr) do { } while (0)
-
-#else
-#include <cpu-common/cpu/cacheflush.h>
-#endif
-
-#endif /* __ASM_CPU_SH3_CACHEFLUSH_H */
*
* Called from kernel/module.c:sys_init_module and routine for a.out format.
*/
-void flush_icache_range(unsigned long start, unsigned long end)
+static void sh7705_flush_icache_range(unsigned long start, unsigned long end)
{
__flush_wback_region((void *)start, end - start);
}
/*
* Writeback&Invalidate the D-cache of the page
*/
-static void __uses_jump_to_uncached __flush_dcache_page(unsigned long phys)
+static void __flush_dcache_page(unsigned long phys)
{
unsigned long ways, waysize, addrstart;
unsigned long flags;
* Write back & invalidate the D-cache of the page.
* (To avoid "alias" issues)
*/
-void flush_dcache_page(struct page *page)
+static void sh7705_flush_dcache_page(struct page *page)
{
struct address_space *mapping = page_mapping(page);
__flush_dcache_page(PHYSADDR(page_address(page)));
}
-void __uses_jump_to_uncached flush_cache_all(void)
+static void sh7705_flush_cache_all(void)
{
unsigned long flags;
local_irq_restore(flags);
}
-void flush_cache_mm(struct mm_struct *mm)
+static void sh7705_flush_cache_mm(struct mm_struct *mm)
{
/* Is there any good way? */
/* XXX: possibly call flush_cache_range for each vm area */
* Flushing the cache lines for U0 only isn't enough.
* We need to flush for P1 too, which may contain aliases.
*/
-void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
- unsigned long end)
+static void sh7705_flush_cache_range(struct vm_area_struct *vma,
+ unsigned long start, unsigned long end)
{
/*
*
* ADDRESS: Virtual Address (U0 address)
*/
-void flush_cache_page(struct vm_area_struct *vma, unsigned long address,
- unsigned long pfn)
+static void sh7705_flush_cache_page(struct vm_area_struct *vma,
+ unsigned long address, unsigned long pfn)
{
__flush_dcache_page(pfn << PAGE_SHIFT);
}
* Not entirely sure why this is necessary on SH3 with 32K cache but
* without it we get occasional "Memory fault" when loading a program.
*/
-void flush_icache_page(struct vm_area_struct *vma, struct page *page)
+static void sh7705_flush_icache_page(struct vm_area_struct *vma,
+ struct page *page)
{
__flush_purge_region(page_address(page), PAGE_SIZE);
}
+
+void __init sh7705_cache_init(void)
+{
+ flush_icache_range = sh7705_flush_icache_range;
+ flush_dcache_page = sh7705_flush_dcache_page;
+ flush_cache_all = sh7705_flush_cache_all;
+ flush_cache_mm = sh7705_flush_cache_mm;
+ flush_cache_dup_mm = sh7705_flush_cache_mm;
+ flush_cache_range = sh7705_flush_cache_range;
+ flush_cache_page = sh7705_flush_cache_page;
+ flush_icache_page = sh7705_flush_icache_page;
+}