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| author | Franck Bui-Huu <vagabon.xyz@gmail.com> | 2006-10-19 13:20:02 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2006-11-30 01:14:41 +0000 |
| commit | 8431fd094d625b94d364fe393076ccef88e6ce18 (patch) | |
| tree | a6f34ac5f87f437b99d82f449849086539e2ed9c /include/asm-mips/page.h | |
| parent | d4df6d4e7a66b7a9bd57f5dc7d80d6b55dc12dbb (diff) | |
| download | op-kernel-dev-8431fd094d625b94d364fe393076ccef88e6ce18.zip op-kernel-dev-8431fd094d625b94d364fe393076ccef88e6ce18.tar.gz | |
[MIPS] Introduce __pa_symbol()
This patch introduces __pa_symbol() macro which should be used to
calculate the physical address of kernel symbols. It also relies
on RELOC_HIDE() to avoid any compiler's oddities when doing
arithmetics on symbols.
Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'include/asm-mips/page.h')
| -rw-r--r-- | include/asm-mips/page.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-mips/page.h b/include/asm-mips/page.h index c3b13de..0dc1a45 100644 --- a/include/asm-mips/page.h +++ b/include/asm-mips/page.h @@ -142,6 +142,7 @@ typedef struct { unsigned long pgprot; } pgprot_t; #define __pa_page_offset(x) PAGE_OFFSET #endif #define __pa(x) ((unsigned long)(x) - __pa_page_offset(x)) +#define __pa_symbol(x) __pa(RELOC_HIDE((unsigned long)(x),0)) #define __va(x) ((void *)((unsigned long)(x) + PAGE_OFFSET)) #define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT) |
