diff options
Diffstat (limited to 'include/asm-m68k/page.h')
-rw-r--r-- | include/asm-m68k/page.h | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/include/asm-m68k/page.h b/include/asm-m68k/page.h index fcc165ddd09e..7650b99dcae6 100644 --- a/include/asm-m68k/page.h +++ b/include/asm-m68k/page.h | |||
@@ -27,6 +27,8 @@ | |||
27 | 27 | ||
28 | #ifndef __ASSEMBLY__ | 28 | #ifndef __ASSEMBLY__ |
29 | 29 | ||
30 | #include <asm/module.h> | ||
31 | |||
30 | #define get_user_page(vaddr) __get_free_page(GFP_KERNEL) | 32 | #define get_user_page(vaddr) __get_free_page(GFP_KERNEL) |
31 | #define free_user_page(page, addr) free_page(addr) | 33 | #define free_user_page(page, addr) free_page(addr) |
32 | 34 | ||
@@ -114,14 +116,35 @@ typedef struct { unsigned long pgprot; } pgprot_t; | |||
114 | 116 | ||
115 | #ifndef __ASSEMBLY__ | 117 | #ifndef __ASSEMBLY__ |
116 | 118 | ||
119 | extern unsigned long m68k_memoffset; | ||
120 | |||
117 | #ifndef CONFIG_SUN3 | 121 | #ifndef CONFIG_SUN3 |
118 | 122 | ||
119 | #define WANT_PAGE_VIRTUAL | 123 | #define WANT_PAGE_VIRTUAL |
120 | #ifdef CONFIG_SINGLE_MEMORY_CHUNK | 124 | #ifdef CONFIG_SINGLE_MEMORY_CHUNK |
121 | extern unsigned long m68k_memoffset; | ||
122 | 125 | ||
123 | #define __pa(vaddr) ((unsigned long)(vaddr)+m68k_memoffset) | 126 | static inline unsigned long ___pa(void *vaddr) |
124 | #define __va(paddr) ((void *)((unsigned long)(paddr)-m68k_memoffset)) | 127 | { |
128 | unsigned long paddr; | ||
129 | asm ( | ||
130 | "1: addl #0,%0\n" | ||
131 | m68k_fixup(%c2, 1b+2) | ||
132 | : "=r" (paddr) | ||
133 | : "0" (vaddr), "i" (m68k_fixup_memoffset)); | ||
134 | return paddr; | ||
135 | } | ||
136 | #define __pa(vaddr) ___pa((void *)(vaddr)) | ||
137 | static inline void *__va(unsigned long paddr) | ||
138 | { | ||
139 | void *vaddr; | ||
140 | asm ( | ||
141 | "1: subl #0,%0\n" | ||
142 | m68k_fixup(%c2, 1b+2) | ||
143 | : "=r" (vaddr) | ||
144 | : "0" (paddr), "i" (m68k_fixup_memoffset)); | ||
145 | return vaddr; | ||
146 | } | ||
147 | |||
125 | #else | 148 | #else |
126 | #define __pa(vaddr) virt_to_phys((void *)(vaddr)) | 149 | #define __pa(vaddr) virt_to_phys((void *)(vaddr)) |
127 | #define __va(paddr) phys_to_virt((unsigned long)(paddr)) | 150 | #define __va(paddr) phys_to_virt((unsigned long)(paddr)) |