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Sourcecode: linux-2.6 version File versions

nommu.c

/*
 *  linux/arch/arm/mm/nommu.c
 *
 * ARM uCLinux supporting functions.
 */
#include <linux/module.h>
#include <linux/mm.h>
#include <linux/pagemap.h>

#include <asm/cacheflush.h>
#include <asm/io.h>
#include <asm/page.h>

void flush_dcache_page(struct page *page)
{
      __cpuc_flush_dcache_page(page_address(page));
}
EXPORT_SYMBOL(flush_dcache_page);

void __iomem *__ioremap_pfn(unsigned long pfn, unsigned long offset,
                      size_t size, unsigned long flags)
{
      if (pfn >= (0x100000000ULL >> PAGE_SHIFT))
            return NULL;
      return (void __iomem *) (offset + (pfn << PAGE_SHIFT));
}
EXPORT_SYMBOL(__ioremap_pfn);

void __iomem *__ioremap(unsigned long phys_addr, size_t size,
                  unsigned long flags)
{
      return (void __iomem *)phys_addr;
}
EXPORT_SYMBOL(__ioremap);

void __iounmap(void __iomem *addr)
{
}
EXPORT_SYMBOL(__iounmap);

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