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--- zhcon/bsdfactory.cpp.orig Sun Sep 9 13:19:32 2001
+++ zhcon/bsdfactory.cpp Sun Sep 9 13:54:13 2001
@@ -102,11 +102,24 @@
}
printf ("len %d\n", buflen);
+#if (__FreeBSD__ <= 3)
if ((vga = open("/dev/vga", O_RDWR | O_NDELAY)) < 0) {
+#else
+ if ((vga = open("/dev/mem", O_RDWR | O_NDELAY)) < 0) {
+#endif
throw(runtime_error("Can not open vga device.\n"));
}
- buf = static_cast<char *>(mmap(0, buflen, PROT_READ | PROT_WRITE, MAP_SHARED, vga, 0));
+ if ((buf = static_cast<char *>(valloc(buflen))) == NULL) {
+ throw(runtime_error("Can not open vga device.\n"));
+ }
+
+#if (__FreeBSD__ <= 3)
+#define GRAPH_BASE 0x0
+#else
+#define GRAPH_BASE 0xA0000
+#endif
+ buf = static_cast<char *>(mmap(buf, buflen, PROT_READ | PROT_WRITE, MAP_FILE|MAP_SHARED|MAP_FIXED, vga, GRAPH_BASE));
close(vga);
if (buf == MAP_FAILED)
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