diff options
Diffstat (limited to 'libdha/sysdep/AsmMacros_x86.h')
-rw-r--r-- | libdha/sysdep/AsmMacros_x86.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/libdha/sysdep/AsmMacros_x86.h b/libdha/sysdep/AsmMacros_x86.h new file mode 100644 index 0000000000..9b9719c17a --- /dev/null +++ b/libdha/sysdep/AsmMacros_x86.h @@ -0,0 +1,68 @@ +/* + This file is based on: + $XFree86: xc/programs/Xserver/hw/xfree86/drivers/chips/util/AsmMacros.h,v 1.1 2001/11/16 21:13:34 tsi Exp $ + Modified for readability by Nick Kurshev +*/ + +#ifndef __ASM_MACROS_X86_H +#define __ASM_MACROS_X86_H + +#if defined (WINNT) +#error This stuff is not ported on your system +#else + +static __inline__ void outb(short port,char val) +{ + __asm__ __volatile__("outb %0,%1" : :"a" (val), "d" (port)); +} + +static __inline__ void outw(short port,short val) +{ + __asm__ __volatile__("outw %0,%1" : :"a" (val), "d" (port)); +} + +static __inline__ void outl(short port,unsigned int val) +{ + __asm__ __volatile__("outl %0,%1" : :"a" (val), "d" (port)); +} + +static __inline__ unsigned int inb(short port) +{ + unsigned char ret; + __asm__ __volatile__("inb %1,%0" : + "=a" (ret) : + "d" (port)); + return ret; +} + +static __inline__ unsigned int inw(short port) +{ + unsigned short ret; + __asm__ __volatile__("inw %1,%0" : + "=a" (ret) : + "d" (port)); + return ret; +} + +static __inline__ unsigned int inl(short port) +{ + unsigned int ret; + __asm__ __volatile__("inl %1,%0" : + "=a" (ret) : + "d" (port)); + return ret; +} + +static __inline__ void intr_disable() +{ + __asm__ __volatile__("cli"); +} + +static __inline__ void intr_enable() +{ + __asm__ __volatile__("sti"); +} + +#endif + +#endif |