$NetBSD: patch-aa,v 1.5 2022/08/22 17:23:36 tnn Exp $
--- radeontool.c.orig	2004-02-11 03:50:27.000000000 +0000
+++ radeontool.c
@@ -21,12 +21,12 @@
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <sys/mman.h>
-#include <asm/page.h>
 
 #include "radeon_reg.h"
 
 int debug;
 int skip;
+long page_size;
 
 /* *radeon_cntl_mem is mapped to the actual device's memory mapped control area. */
 /* Not the address but what it points to is volatile. */
@@ -94,11 +94,11 @@ static unsigned char * map_devince_memor
     }
 
     /* mmap graphics memory */
-    if ((device_mem = malloc(length + (PAGE_SIZE-1))) == NULL) {
+    if ((device_mem = malloc(length + (page_size-1))) == NULL) {
         fatal("allocation error \n");
     }
-    if ((unsigned long)device_mem % PAGE_SIZE)
-        device_mem += PAGE_SIZE - ((unsigned long)device_mem % PAGE_SIZE);
+    if ((unsigned long)device_mem % page_size)
+        device_mem += page_size - ((unsigned long)device_mem % page_size);
     device_mem = (unsigned char *)mmap(
         (caddr_t)device_mem, 
         length,
@@ -107,7 +107,7 @@ static unsigned char * map_devince_memor
         mem_fd, 
         base
     );
-    if ((long)device_mem < 0) {
+    if (device_mem == MAP_FAILED) {
         if(debug)
             fprintf(stderr,"mmap returned %d\n",(int)device_mem);
         fatal("mmap error \n");
@@ -251,7 +251,6 @@ static void map_radeon_cntl_mem(void)
     } else if(forkrc == 0) { /* if child */
         close(pipefd[0]);
         dup2(pipefd[1],1);  /* stdout */
-        setenv("PATH","/sbin:/usr/sbin:/bin:/usr/bin",1);
         execlp("lspci","lspci","-v",NULL);
         fatal("exec lspci failure\n");
     }
@@ -307,7 +306,13 @@ We need to look through it to find the s
        }
        if(debug) 
           printf("%s",line);
-       if(strstr(line,"emory") && strstr(line,"K")) {  /* if line contains a "Memory" and "K" string */
+       if(strstr(line,"emory") &&
+#ifdef __NetBSD__
+       strstr(line,"non-prefetch"))
+#else
+       strstr(line,"K"))
+#endif
+       {  /* if line contains a "Memory" and "K" string */
           break;
        }
     };
@@ -321,6 +326,10 @@ We need to look through it to find the s
 
 int main(int argc,char *argv[]) 
 {
+    if ((page_size = sysconf(_SC_PAGESIZE)) == -1) {
+        fatal("sysconf failed\n");
+    }
+    
     if(argc == 1) {
         map_radeon_cntl_mem();
 	usage();