#ifndef _M68K_PAGE_H
#define _M68K_PAGE_H
-#include <linux/config.h>
+
+#ifdef __KERNEL__
/* PAGE_SHIFT determines the page size */
#ifndef CONFIG_SUN3
#endif
#define PAGE_MASK (~(PAGE_SIZE-1))
-#ifdef __KERNEL__
-
#include <asm/setup.h>
#if PAGE_SHIFT < 13
#else
#define THREAD_SIZE PAGE_SIZE
#endif
-
+
#ifndef __ASSEMBLY__
-
+
#define get_user_page(vaddr) __get_free_page(GFP_KERNEL)
#define free_user_page(page, addr) free_page(addr)
static inline void clear_page(void *page)
{
- unsigned long data, tmp;
- void *sp = page;
+ unsigned long tmp;
+ unsigned long *sp = page;
- data = 0;
-
- *((unsigned long *)(page))++ = 0;
- *((unsigned long *)(page))++ = 0;
- *((unsigned long *)(page))++ = 0;
- *((unsigned long *)(page))++ = 0;
+ *sp++ = 0;
+ *sp++ = 0;
+ *sp++ = 0;
+ *sp++ = 0;
__asm__ __volatile__("1:\t"
".chip 68040\n\t"
"subqw #8,%2\n\t"
"subqw #8,%2\n\t"
"dbra %1,1b\n\t"
- : "=a" (page), "=d" (tmp)
- : "a" (sp), "0" (page),
+ : "=a" (sp), "=d" (tmp)
+ : "a" (page), "0" (sp),
"1" ((PAGE_SIZE - 16) / 16 - 1));
}
#endif
#define clear_user_page(addr, vaddr, page) \
- do { clear_page(addr); \
+ do { clear_page(addr); \
flush_dcache_page(page); \
} while (0)
#define copy_user_page(to, from, vaddr, page) \
/* to align the pointer to the (next) page boundary */
#define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK)
-/* Pure 2^n version of get_order */
-static inline int get_order(unsigned long size)
-{
- int order;
-
- size = (size-1) >> (PAGE_SHIFT-1);
- order = -1;
- do {
- size >>= 1;
- order++;
- } while (size);
- return order;
-}
-
#endif /* !__ASSEMBLY__ */
#include <asm/page_offset.h>
#define __pa(vaddr) ((unsigned long)(vaddr)+m68k_memoffset)
#define __va(paddr) ((void *)((unsigned long)(paddr)-m68k_memoffset))
#else
-#define __pa(vaddr) virt_to_phys((void *)vaddr)
-#define __va(paddr) phys_to_virt((unsigned long)paddr)
+#define __pa(vaddr) virt_to_phys((void *)(vaddr))
+#define __va(paddr) phys_to_virt((unsigned long)(paddr))
#endif
#else /* !CONFIG_SUN3 */
/* This #define is a horrible hack to suppress lots of warnings. --m */
-#define __pa(x) ___pa((unsigned long)x)
+#define __pa(x) ___pa((unsigned long)(x))
static inline unsigned long ___pa(unsigned long x)
{
if(x == 0)
#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
+#include <asm-generic/page.h>
+
+#define devmem_is_allowed(x) 1
+
#endif /* __KERNEL__ */
#endif /* _M68K_PAGE_H */