diff options
author | Adrian Bunk <bunk@kernel.org> | 2007-08-27 17:29:53 -0400 |
---|---|---|
committer | Paul Mackerras <paulus@samba.org> | 2007-09-17 01:15:04 -0400 |
commit | e6b6e3ffb9ee8926f9f2f7dc9147df73e27d5828 (patch) | |
tree | ecda5a24187801c1ad46e0d9d90a9fc5f547a52b /include/asm-ppc/page.h | |
parent | 8237bf080e9ef6adc3f2adce26060722685bbb15 (diff) |
[POWERPC] Remove APUS support from arch/ppc
Current status of APUS:
- arch/powerpc/: removed in 2.6.23
- arch/ppc/: marked BROKEN since 2 years
This therefore removes the remaining parts of APUS support from
arch/ppc, include/asm-ppc, arch/powerpc and include/asm-powerpc.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'include/asm-ppc/page.h')
-rw-r--r-- | include/asm-ppc/page.h | 44 |
1 files changed, 2 insertions, 42 deletions
diff --git a/include/asm-ppc/page.h b/include/asm-ppc/page.h index fe95c8258cf9..ad4c5a1bc9d6 100644 --- a/include/asm-ppc/page.h +++ b/include/asm-ppc/page.h | |||
@@ -97,62 +97,22 @@ extern void clear_user_page(void *page, unsigned long vaddr, struct page *pg); | |||
97 | extern void copy_user_page(void *to, void *from, unsigned long vaddr, | 97 | extern void copy_user_page(void *to, void *from, unsigned long vaddr, |
98 | struct page *pg); | 98 | struct page *pg); |
99 | 99 | ||
100 | #ifndef CONFIG_APUS | ||
101 | #define PPC_MEMSTART 0 | 100 | #define PPC_MEMSTART 0 |
102 | #define PPC_PGSTART 0 | ||
103 | #define PPC_MEMOFFSET PAGE_OFFSET | 101 | #define PPC_MEMOFFSET PAGE_OFFSET |
104 | #else | ||
105 | extern unsigned long ppc_memstart; | ||
106 | extern unsigned long ppc_pgstart; | ||
107 | extern unsigned long ppc_memoffset; | ||
108 | #define PPC_MEMSTART ppc_memstart | ||
109 | #define PPC_PGSTART ppc_pgstart | ||
110 | #define PPC_MEMOFFSET ppc_memoffset | ||
111 | #endif | ||
112 | 102 | ||
113 | #if defined(CONFIG_APUS) && !defined(MODULE) | ||
114 | /* map phys->virtual and virtual->phys for RAM pages */ | ||
115 | static inline unsigned long ___pa(unsigned long v) | ||
116 | { | ||
117 | unsigned long p; | ||
118 | asm volatile ("1: addis %0, %1, %2;" | ||
119 | ".section \".vtop_fixup\",\"aw\";" | ||
120 | ".align 1;" | ||
121 | ".long 1b;" | ||
122 | ".previous;" | ||
123 | : "=r" (p) | ||
124 | : "b" (v), "K" (((-PAGE_OFFSET) >> 16) & 0xffff)); | ||
125 | |||
126 | return p; | ||
127 | } | ||
128 | static inline void* ___va(unsigned long p) | ||
129 | { | ||
130 | unsigned long v; | ||
131 | asm volatile ("1: addis %0, %1, %2;" | ||
132 | ".section \".ptov_fixup\",\"aw\";" | ||
133 | ".align 1;" | ||
134 | ".long 1b;" | ||
135 | ".previous;" | ||
136 | : "=r" (v) | ||
137 | : "b" (p), "K" (((PAGE_OFFSET) >> 16) & 0xffff)); | ||
138 | |||
139 | return (void*) v; | ||
140 | } | ||
141 | #else | ||
142 | #define ___pa(vaddr) ((vaddr)-PPC_MEMOFFSET) | 103 | #define ___pa(vaddr) ((vaddr)-PPC_MEMOFFSET) |
143 | #define ___va(paddr) ((paddr)+PPC_MEMOFFSET) | 104 | #define ___va(paddr) ((paddr)+PPC_MEMOFFSET) |
144 | #endif | ||
145 | 105 | ||
146 | extern int page_is_ram(unsigned long pfn); | 106 | extern int page_is_ram(unsigned long pfn); |
147 | 107 | ||
148 | #define __pa(x) ___pa((unsigned long)(x)) | 108 | #define __pa(x) ___pa((unsigned long)(x)) |
149 | #define __va(x) ((void *)(___va((unsigned long)(x)))) | 109 | #define __va(x) ((void *)(___va((unsigned long)(x)))) |
150 | 110 | ||
151 | #define ARCH_PFN_OFFSET (PPC_PGSTART) | 111 | #define ARCH_PFN_OFFSET 0 |
152 | #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) | 112 | #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) |
153 | #define page_to_virt(page) __va(page_to_pfn(page) << PAGE_SHIFT) | 113 | #define page_to_virt(page) __va(page_to_pfn(page) << PAGE_SHIFT) |
154 | 114 | ||
155 | #define pfn_valid(pfn) (((pfn) - PPC_PGSTART) < max_mapnr) | 115 | #define pfn_valid(pfn) ((pfn) < max_mapnr) |
156 | #define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT) | 116 | #define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT) |
157 | 117 | ||
158 | /* Pure 2^n version of get_order */ | 118 | /* Pure 2^n version of get_order */ |