File isapnp-1.26-powerpc.diff of Package isapnp

--- include/isapnp/iopl.h
+++ include/isapnp/iopl.h	2001/12/05 12:54:41
@@ -52,12 +52,15 @@
 #include <dos.h>
 #else
 #ifndef _OS2_
-#  if defined __GLIBC__ && __GLIBC__ >= 2
+#  if defined __GLIBC__ && __GLIBC__ >= 2 && !defined __powerpc__
 #    include <sys/io.h>
 #  else
 #    ifdef _AXP_
 #       include <sys/io.h>
 #    else
+#define __KERNEL__
+#       include <asm/types.h>
+#undef __KERNEL__
 #       include <asm/io.h>
 #    endif
 #  endif	      	   /* __GLIBC__ */
--- src/iopl.c
+++ src/iopl.c	2001/12/05 12:54:41
@@ -48,12 +48,85 @@
 #include <isapnp/iopl.h>
 #include <isapnp/pnp.h>
 
+#ifdef __powerpc__
+unsigned long isa_io_base;
+#include <stdio.h>
+#include <sys/mman.h>
+#include <fcntl.h>
+#include <string.h>
+#endif
+
 /* Acquire I/O port privileges needed for ISA PnP configuration.
 ** The return value is 0 on success, or the value of errno on failure.
 */
 int
 acquire_pnp_io_privileges(void)
 {
+#ifdef __powerpc__
+  {
+       FILE *fd1;
+       int fd2;
+       unsigned char buffer[1024];
+       unsigned long phys_io_base=0;
+
+       fd1=fopen("/proc/cpuinfo","r");
+       if(fd1 == NULL)
+       {
+               printf("Cannot open /proc/cpuinfo, unable to determine architecture.\n");
+               exit(42);
+       }
+
+       while(fgets(buffer,1024,fd1))
+       {
+#ifdef PPCIODEBUG
+               printf("buffer: %s\n",buffer);
+#endif
+               if(strncmp(buffer,"machine",7)==0)
+               {
+#ifdef PPCIODEBUG
+                       printf("found\n");
+#endif
+                               if(strstr(buffer,"CHRP"))
+                        phys_io_base=CHRP_ISA_IO_BASE;
+                else if(strstr(buffer,"PReP") || strstr(buffer,"PREP"))
+                        phys_io_base=PREP_ISA_IO_BASE;
+               }
+       }
+       fclose(fd1);
+       if (phys_io_base==0)
+       {
+               printf("Unknown architecture (currently supported: CHRP, PREP)\n");
+               exit(43);
+               }
+
+       fd2=open("/dev/mem",O_RDWR);
+       if(fd2 < 0)
+       {
+               printf("Cannot open /dev/mem, unable to mmap IO space.\n");
+               exit(44);
+       }
+
+       isa_io_base=(unsigned int) mmap((caddr_t)0,
+                                       64<<10,
+                                       PROT_READ|PROT_WRITE,
+                                       MAP_SHARED,
+                                       fd2,
+                                       phys_io_base);
+
+       if(isa_io_base==(unsigned int)MAP_FAILED)
+       {
+               printf("mmap'ing IO space failed.\n");
+               close(fd2);
+               exit(45);
+       }
+
+       close(fd2);
+
+  }
+  return 0;
+
+#else /* __powerpc__ */
+
   int ret = 0;
 #ifdef HAVE_IOPL
   /*
@@ -73,6 +146,7 @@
   else {
     return(0);
   }
+#endif
 }
 
 /* Relinquish I/O port privileges needed for ISA PnP configuration.
@@ -81,6 +155,9 @@
 int
 relinquish_pnp_io_privileges(void)
 {
+#ifdef __powerpc__
+  return 0;
+#else
   int ret = 0;
 #ifdef HAVE_IOPL
   ret = iopl(0);
@@ -96,6 +173,7 @@
   else {
     return(0);
   }
+#endif
 }
 
 /****************************************************************************/