aboutsummaryrefslogtreecommitdiffstats
path: root/simpad-utilities/genboot/gen_boot.c
diff options
context:
space:
mode:
Diffstat (limited to 'simpad-utilities/genboot/gen_boot.c')
-rw-r--r--simpad-utilities/genboot/gen_boot.c99
1 files changed, 99 insertions, 0 deletions
diff --git a/simpad-utilities/genboot/gen_boot.c b/simpad-utilities/genboot/gen_boot.c
index e69de29bb2..1444f60d0b 100644
--- a/simpad-utilities/genboot/gen_boot.c
+++ b/simpad-utilities/genboot/gen_boot.c
@@ -0,0 +1,99 @@
+#include "arnold_boot.h"
+#include <stdio.h>
+volatile void
+error (char *msg)
+{
+ fprintf (stderr, "Fatal Error:%s\n", msg);
+ exit (2);
+}
+#ifdef LITTLE_END
+#define order(x) ((x&0xff)<<24 | (x&0xff00) << 8 | (x&0xff0000) >>8 | (x&0xff000000)>>24)
+#define swap(x) ((x&0xff)<<8 | (x&0xff00)>>8)
+#else
+#define order(x) (x)
+#define swap(x) (x)
+#endif
+
+main (int argc, char *argv[])
+{
+ union bootblock block0;
+ char *ep;
+ int nseg;
+
+ memset ((void *) &block0, 0, sizeof (block0));
+ strcpy (block0.boot.magic, ARNOLDMAGIC);
+ if (argc < 3)
+ error ("Bad Number of args:\n"
+ " Usage: gen_boot [-d[n]][-w][-r][-x filename] exec_adr nseg base1 len1 [base len]");
+
+ if (strncmp (argv[1], "-d",2) == 0)
+ {
+ /* Set debugging to value (default 1) */
+ if ( argv[1][2] == 0 ) {
+ block0.boot.debuggit = swap(1);
+ }else{
+ block0.boot.debuggit = swap(argv[1][2] - '0');
+ }
+ argv++;
+ argc--;
+ }
+ if (strcmp (argv[1], "-w") == 0)
+ {
+ block0.boot.writesmart = swap(WRITE_SMART_MAGIC);
+ argv++;
+ argc--;
+ }
+ if (strcmp (argv[1], "-r") == 0)
+ {
+ block0.boot.writesmart = swap(REBOOT_MAGIC); /* Try to reboot ram image */
+ argv++;
+ argc--;
+ }
+ if (strcmp (argv[1], "-x") == 0)
+ {
+ block0.boot.extrafile=swap(EXTRA_BOOT);
+ strncpy (block0.boot.otherfile,argv[2],sizeof(block0.boot.otherfile));
+
+ argv+=2;
+ argc-=2;
+ }
+ block0.boot.exec_adr = order (strtoul (argv[1], &ep, 0));
+ if (ep != 0 && *ep != 0)
+ {
+ error ("Exec_addr ?");
+ }
+ argv++;
+ argc--;
+ nseg = strtoul (argv[1], &ep, 0);
+ block0.boot.nosegs = order (nseg);
+ if (ep != 0 && *ep != 0)
+ {
+ error ("Number of Segments ?");
+ }
+ argv++;
+ argc--;
+ argv++;
+ argc--; /* Start from index 0 */
+ if (argc != (nseg * 2))
+ {
+ error ("Wrong number of arguments");
+ }
+ for (nseg = 0; (nseg * 2) < argc; nseg++)
+ {
+ block0.boot.lseg[nseg].base = (void *) order (strtoul (argv[nseg * 2], &ep, 0));
+ if (ep != 0 && *ep != 0)
+ {
+ error ("Base addr of Segment ?");
+ }
+ block0.boot.lseg[nseg].len = order (strtoul (argv[nseg * 2 + 1], &ep, 0));
+ if (ep != 0 && *ep != 0)
+ {
+ error ("Length of Segment ?");
+ }
+ }
+ fwrite((void *) &block0, sizeof(block0), 1, stdout);
+ fflush(stdout);
+// write (1, block0, sizeof (block0));
+
+ exit (0);
+}