summaryrefslogtreecommitdiffstats
path: root/include/asm-x86/fixmap.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-x86/fixmap.h')
-rw-r--r--include/asm-x86/fixmap.h68
1 files changed, 0 insertions, 68 deletions
diff --git a/include/asm-x86/fixmap.h b/include/asm-x86/fixmap.h
deleted file mode 100644
index 78e33a1bc591..000000000000
--- a/include/asm-x86/fixmap.h
+++ /dev/null
@@ -1,68 +0,0 @@
-#ifndef ASM_X86__FIXMAP_H
-#define ASM_X86__FIXMAP_H
-
-#ifdef CONFIG_X86_32
-# include "fixmap_32.h"
-#else
-# include "fixmap_64.h"
-#endif
-
-extern int fixmaps_set;
-
-void __native_set_fixmap(enum fixed_addresses idx, pte_t pte);
-void native_set_fixmap(enum fixed_addresses idx,
- unsigned long phys, pgprot_t flags);
-
-#ifndef CONFIG_PARAVIRT
-static inline void __set_fixmap(enum fixed_addresses idx,
- unsigned long phys, pgprot_t flags)
-{
- native_set_fixmap(idx, phys, flags);
-}
-#endif
-
-#define set_fixmap(idx, phys) \
- __set_fixmap(idx, phys, PAGE_KERNEL)
-
-/*
- * Some hardware wants to get fixmapped without caching.
- */
-#define set_fixmap_nocache(idx, phys) \
- __set_fixmap(idx, phys, PAGE_KERNEL_NOCACHE)
-
-#define clear_fixmap(idx) \
- __set_fixmap(idx, 0, __pgprot(0))
-
-#define __fix_to_virt(x) (FIXADDR_TOP - ((x) << PAGE_SHIFT))
-#define __virt_to_fix(x) ((FIXADDR_TOP - ((x)&PAGE_MASK)) >> PAGE_SHIFT)
-
-extern void __this_fixmap_does_not_exist(void);
-
-/*
- * 'index to address' translation. If anyone tries to use the idx
- * directly without translation, we catch the bug with a NULL-deference
- * kernel oops. Illegal ranges of incoming indices are caught too.
- */
-static __always_inline unsigned long fix_to_virt(const unsigned int idx)
-{
- /*
- * this branch gets completely eliminated after inlining,
- * except when someone tries to use fixaddr indices in an
- * illegal way. (such as mixing up address types or using
- * out-of-range indices).
- *
- * If it doesn't get removed, the linker will complain
- * loudly with a reasonably clear error message..
- */
- if (idx >= __end_of_fixed_addresses)
- __this_fixmap_does_not_exist();
-
- return __fix_to_virt(idx);
-}
-
-static inline unsigned long virt_to_fix(const unsigned long vaddr)
-{
- BUG_ON(vaddr >= FIXADDR_TOP || vaddr < FIXADDR_START);
- return __virt_to_fix(vaddr);
-}
-#endif /* ASM_X86__FIXMAP_H */