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| author |   Jan Andersson <jan@gaisler.com> | 2011-05-10 23:13:33 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2011-05-12 13:44:29 -0700 |
| commit | 21dccddf45aae2d9f973696ce06115da0d1012b6 (patch) | |
| tree | 1b06f817f84ae1007097541a922ded918f3ef05e /arch | |
| parent | sparc32: Fixed unaligned memory copying in function __csum_partial_copy_sparc_generic (diff) | |
| download | linux-dev-21dccddf45aae2d9f973696ce06115da0d1012b6.tar.xz linux-dev-21dccddf45aae2d9f973696ce06115da0d1012b6.zip | |
sparc: add {read,write}*_be routines
This patch adds {read,write}*_be big endian memory access
routines to the io.h header used on SPARC32 and SPARC64.
Tested on SPARC32 (LEON)
Signed-off-by: Jan Andersson <jan@gaisler.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/sparc/include/asm/io.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/io.h b/arch/sparc/include/asm/io.h index a34b2994937a..f6902cf3cbe9 100644 --- a/arch/sparc/include/asm/io.h +++ b/arch/sparc/include/asm/io.h @@ -5,4 +5,17 @@ #else #include <asm/io_32.h> #endif + +/* + * Defines used for both SPARC32 and SPARC64 + */ + +/* Big endian versions of memory read/write routines */ +#define readb_be(__addr) __raw_readb(__addr) +#define readw_be(__addr) __raw_readw(__addr) +#define readl_be(__addr) __raw_readl(__addr) +#define writeb_be(__b, __addr) __raw_writeb(__b, __addr) +#define writel_be(__w, __addr) __raw_writel(__w, __addr) +#define writew_be(__l, __addr) __raw_writew(__l, __addr) + #endif |