X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-i386%2Fio.h;h=86ff5e83be2f6d45d1a209fb30be7eea2192a3df;hb=a2f44b27303a5353859d77a3e96a1d3f33f56ab7;hp=03233c2ab82009c73bf1a30cf2858c2e01651a6a;hpb=134734d875a0a48d994ef20b9905209b4b8b6f75;p=linux-2.6.git diff --git a/include/asm-i386/io.h b/include/asm-i386/io.h index 03233c2ab..86ff5e83b 100644 --- a/include/asm-i386/io.h +++ b/include/asm-i386/io.h @@ -1,7 +1,6 @@ #ifndef _ASM_IO_H #define _ASM_IO_H -#include #include #include @@ -219,50 +218,11 @@ static inline void memcpy_toio(volatile void __iomem *dst, const void *src, int */ #define __ISA_IO_base ((char __iomem *)(PAGE_OFFSET)) -#define isa_readb(a) readb(__ISA_IO_base + (a)) -#define isa_readw(a) readw(__ISA_IO_base + (a)) -#define isa_readl(a) readl(__ISA_IO_base + (a)) -#define isa_writeb(b,a) writeb(b,__ISA_IO_base + (a)) -#define isa_writew(w,a) writew(w,__ISA_IO_base + (a)) -#define isa_writel(l,a) writel(l,__ISA_IO_base + (a)) -#define isa_memset_io(a,b,c) memset_io(__ISA_IO_base + (a),(b),(c)) -#define isa_memcpy_fromio(a,b,c) memcpy_fromio((a),__ISA_IO_base + (b),(c)) -#define isa_memcpy_toio(a,b,c) memcpy_toio(__ISA_IO_base + (a),(b),(c)) - - /* * Again, i386 does not require mem IO specific function. */ #define eth_io_copy_and_sum(a,b,c,d) eth_copy_and_sum((a),(void __force *)(b),(c),(d)) -#define isa_eth_io_copy_and_sum(a,b,c,d) eth_copy_and_sum((a),(void __force *)(__ISA_IO_base + (b)),(c),(d)) - -/** - * check_signature - find BIOS signatures - * @io_addr: mmio address to check - * @signature: signature block - * @length: length of signature - * - * Perform a signature comparison with the mmio address io_addr. This - * address should have been obtained by ioremap. - * Returns 1 on a match. - */ - -static inline int check_signature(volatile void __iomem * io_addr, - const unsigned char *signature, int length) -{ - int retval = 0; - do { - if (readb(io_addr) != *signature) - goto out; - io_addr++; - signature++; - length--; - } while (length); - retval = 1; -out: - return retval; -} /* * Cache management @@ -296,11 +256,11 @@ static inline void flush_write_buffers(void) #endif /* __KERNEL__ */ -#ifdef SLOW_IO_BY_JUMPING -#define __SLOW_DOWN_IO "jmp 1f; 1: jmp 1f; 1:" +#if defined(CONFIG_PARAVIRT) +#include #else + #define __SLOW_DOWN_IO "outb %%al,$0x80;" -#endif static inline void slow_down_io(void) { __asm__ __volatile__( @@ -311,6 +271,8 @@ static inline void slow_down_io(void) { : : ); } +#endif + #ifdef CONFIG_X86_NUMAQ extern void *xquad_portio; /* Where the IO area was mapped */ #define XQUAD_PORT_ADDR(port, quad) (xquad_portio + (XQUAD_PORTIO_QUAD*quad) + port)