diff options
| -rw-r--r-- | arch/x86/include/asm/fixmap.h | 59 |
1 files changed, 1 insertions, 58 deletions
diff --git a/arch/x86/include/asm/fixmap.h b/arch/x86/include/asm/fixmap.h index e846225265ed..7252cd339175 100644 --- a/arch/x86/include/asm/fixmap.h +++ b/arch/x86/include/asm/fixmap.h @@ -175,64 +175,7 @@ static inline void __set_fixmap(enum fixed_addresses idx, } #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); -} - -/* Return an pointer with offset calculated */ -static __always_inline unsigned long -__set_fixmap_offset(enum fixed_addresses idx, phys_addr_t phys, pgprot_t flags) -{ - __set_fixmap(idx, phys, flags); - return fix_to_virt(idx) + (phys & (PAGE_SIZE - 1)); -} - -#define set_fixmap_offset(idx, phys) \ - __set_fixmap_offset(idx, phys, PAGE_KERNEL) - -#define set_fixmap_offset_nocache(idx, phys) \ - __set_fixmap_offset(idx, phys, PAGE_KERNEL_NOCACHE) +#include <asm-generic/fixmap.h> #endif /* !__ASSEMBLY__ */ #endif /* _ASM_X86_FIXMAP_H */ |