libdha/sysdep/AsmMacros_sparc.h

   1 /*
   2    This file is based on:
   3    $XFree86: xc/programs/Xserver/hw/xfree86/drivers/chips/util/AsmMacros.h,v 1.1 2001/11/16 21:13:34 tsi Exp $
   4    Modified for readability by Nick Kurshev
   5 */
   6
   7 #ifndef __ASM_MACROS_SPARC_H
   8 #define __ASM_MACROS_SPARC_H
   9
  10 #ifndef ASI_PL
  11 #define ASI_PL 0x88
  12 #endif
  13
  14 static __inline__ void outb(unsigned long port, char val)
  15 {
  16   __asm__ __volatile__("stba %0, [%1] %2" : : "r" (val), "r" (port), "i" (ASI_PL));
  17 }
  18
  19 static __inline__ void outw(unsigned long port, char val)
  20 {
  21   __asm__ __volatile__("stha %0, [%1] %2" : : "r" (val), "r" (port), "i" (ASI_PL));
  22 }
  23
  24 static __inline__ void outl(unsigned long port, char val)
  25 {
  26   __asm__ __volatile__("sta %0, [%1] %2" : : "r" (val), "r" (port), "i" (ASI_PL));
  27 }
  28
  29 static __inline__ unsigned int inb(unsigned long port)
  30 {
  31    unsigned char ret;
  32    __asm__ __volatile__("lduba [%1] %2, %0" : "=r" (ret) : "r" (port), "i" (ASI_PL));
  33    return ret;
  34 }
  35
  36 static __inline__ unsigned int inw(unsigned long port)
  37 {
  38    unsigned char ret;
  39    __asm__ __volatile__("lduha [%1] %2, %0" : "=r" (ret) : "r" (port), "i" (ASI_PL));
  40    return ret;
  41 }
  42
  43 static __inline__ unsigned int inl(unsigned long port)
  44 {
  45    unsigned char ret;
  46    __asm__ __volatile__("lda [%1] %2, %0" : "=r" (ret) : "r" (port), "i" (ASI_PL));
  47    return ret;
  48 }
  49
  50 #define intr_disable()
  51 #define intr_enable()
  52
  53 #endif