diff options
Diffstat (limited to 'include/asm-i386/io.h')
| -rw-r--r-- | include/asm-i386/io.h | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/include/asm-i386/io.h b/include/asm-i386/io.h index 75cfb939b..7a4e9facc 100644 --- a/include/asm-i386/io.h +++ b/include/asm-i386/io.h @@ -71,12 +71,12 @@ __IN1(s##_p) __IN2(s,s1,"w") __FULL_SLOW_DOWN_IO : "=a" (_v) : "Nd" (port) ,##i #define __INS(s) \ extern inline void ins##s(unsigned short port, void * addr, unsigned long count) \ -{ __asm__ __volatile__ ("cld ; rep ; ins" #s \ +{ __asm__ __volatile__ ("rep ; ins" #s \ : "=D" (addr), "=c" (count) : "d" (port),"0" (addr),"1" (count)); } #define __OUTS(s) \ extern inline void outs##s(unsigned short port, const void * addr, unsigned long count) \ -{ __asm__ __volatile__ ("cld ; rep ; outs" #s \ +{ __asm__ __volatile__ ("rep ; outs" #s \ : "=S" (addr), "=c" (count) : "d" (port),"0" (addr),"1" (count)); } #define RETURN_TYPE unsigned char @@ -101,9 +101,10 @@ __OUTS(b) __OUTS(w) __OUTS(l) +#define IO_SPACE_LIMIT 0xffff + #ifdef __KERNEL__ -#include <asm/page.h> #include <linux/vmalloc.h> /* @@ -228,6 +229,22 @@ out: return retval; } +static inline int isa_check_signature(unsigned long io_addr, + const unsigned char *signature, int length) +{ + int retval = 0; + do { + if (isa_readb(io_addr) != *signature) + goto out; + io_addr++; + signature++; + length--; + } while (length); + retval = 1; +out: + return retval; +} + /* Nothing to do */ #define dma_cache_inv(_start,_size) do { } while (0) |