aboutsummaryrefslogtreecommitdiffstats
path: root/include/asm-m68k/page.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-m68k/page.h')
-rw-r--r--include/asm-m68k/page.h29
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
119extern 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
121extern unsigned long m68k_memoffset;
122 125
123#define __pa(vaddr) ((unsigned long)(vaddr)+m68k_memoffset) 126static 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))
137static 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))