patch-2.1.51 linux/arch/ppc/kernel/port_io.c

• Lines: 147
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.1.50/linux/arch/ppc/kernel/port_io.c
• Orig date: Mon Aug 4 16:25:36 1997

diff -u --recursive --new-file v2.1.50/linux/arch/ppc/kernel/port_io.c linux/arch/ppc/kernel/port_io.c
@@ -1,146 +0,0 @@
-/*
- * I/O 'port' access routines
- */
-#include <asm/byteorder.h>
-#include <asm/io.h>
-
-#define inb_asm(port) {( \
-  unsigned char ret; \
-  asm ( "lbz %0,0(%1)\nnop\nnop\nnop\nnop\nnop\nnop\nnop\nnop\n" : "=r" (ret) : "r" (port+_IO_BASE)); \
-  return ret; \
-})
-
-inline unsigned char
-inb(int port)
-{
-  unsigned char ret;
-  asm("/*inb*/\n");
-  asm ( "lbz %0,0(%1)" : "=r" (ret) : "r" (port+_IO_BASE));
-  return ret;
-}
-
-inline unsigned short
-inw(int port)
-{
-  unsigned short ret;
-  asm("/*inw*/\n");
-  asm ( "lhbrx %0,%1,%2" : "=r" (ret) : "r" (port+_IO_BASE), "r" (0));
-  return ret;
-}
-
-inline unsigned long
-inl(int port)
-{
-  unsigned long ret;
-  asm("/*inl*/\n");
-  asm ( "lwbrx %0,%1,%2" : "=r" (ret) : "r" (port+_IO_BASE), "r" (0));
-  return ret;
-}
-
-inline unsigned char
-outb(unsigned char val,int port)
-{
-  asm("/*outb*/\n");
-  asm ( "stb %0,0(%1)" :: "r" (val), "r" (port+_IO_BASE));
-  return (val);
-}
-
-inline unsigned short
-outw(unsigned short val,int port)
-{
-  asm("/*outw*/\n");
-  asm ( "sthbrx %0,%1,%2" :: "r" (val), "r" (port+_IO_BASE), "r" (0));
-  return (val);
-}
-
-inline unsigned long
-outl(unsigned long val,int port)
-{
-  asm("/*outl*/\n");
-  asm ( "stwbrx %0,%1,%2" :: "r" (val), "r" (port+_IO_BASE), "r" (0));
-  return (val);
-}
-
-void insb(int port, char *ptr, int len)
-{
-  memcpy( (void *)ptr, (void *)(port+_IO_BASE), len);
-}
-
-void insw(int port, short *ptr, int len)
-{
-  asm ("mtctr	%2 \n\t"
-       "subi	%1,%1,2 \n\t"
-       "00:\n\t"
-       "lhbrx	%2,0,%0 \n\t"
-       "sthu	%2,2(%1) \n\t"
-       "bdnz 00b \n\t"
-       :: "r" (port+_IO_BASE), "r" (ptr), "r" (len));
-}
-
-void insw_unswapped(int port, short *ptr, int len)
-{
-  memcpy( (void *)ptr, (void *)(port+_IO_BASE), (len*sizeof(short)) );
-}
-
-void insl(int port, long *ptr, int len)
-{
-  asm ("mtctr	%2 \n\t"
-       "subi	%1,%1,4 \n\t"
-       "00:\n\t"
-       "lhbrx	%2,0,%0 \n\t"
-       "sthu	%2,4(%1) \n\t"
-       "bdnz 00b \n\t"
-       :: "r" (port+_IO_BASE), "r" (ptr), "r" (len));
-}
-
-void outsb(int port, char *ptr, int len)
-{
-  memcpy( (void *)ptr, (void *)(port+_IO_BASE), len );
-}
-
-void outsw(int port, short *ptr, int len)
-{
-  asm ("mtctr	%2\n\t"
-       "subi	%1,%1,2\n\t"
-       "00:lhzu	%2,2(%1)\n\t"
-       "sthbrx	%2,0,%0\n\t"
-       "bdnz	00b\n\t"
-       :: "r" (port+_IO_BASE), "r" (ptr), "r" (len));
-}
-
-void outsw_unswapped(int port, short *ptr, int len)
-{
-  memcpy( (void *)ptr, (void *)(port+_IO_BASE), len*sizeof(short) );  
-}
-
-void outsl(int port, long *ptr, int len)
-{
-  asm ("mtctr	%2\n\t"
-       "subi	%1,%1,4\n\t"
-       "00:lwzu	%2,4(%1)\n\t"
-       "sthbrx	%2,0,%0\n\t"
-       "bdnz	00b\n\t"
-       :: "r" (port+_IO_BASE), "r" (ptr), "r" (len));
-}
-
-void insl_unswapped(int port, long *ptr, int len)
-{
-        unsigned long *io_ptr = (unsigned long *)(_IO_BASE+port);
-        /* Ensure I/O operations complete */
-        __asm__ volatile("eieio");
-        while (len-- > 0)
-        {
-                *ptr++ = (*io_ptr);
-        }
-}
-
-void outsl_unswapped(int port, long *ptr, int len)
-{
-        unsigned long *io_ptr = (unsigned long *)(_IO_BASE+port);
-        /* Ensure I/O operations complete */
-        __asm__ volatile("eieio");
-        while (len-- > 0)
-        {
-                *io_ptr = (*ptr++);
-        }
-}