arc cmdline.c

From: Michl Ladislav <hidden>
Date: 2001-03-18 15:32:18

hi all,

i have some beginner questions, so please be patient with me :-)

1) quoting indy-hd-boot-micro-howto.html:
O.k. we're almost there. The last thing to do is to tell the PROM which
file to boot on power up:
[snip]
	setenv OSLoader linux
	setenv SystemPartition scsi(0)disk(1)rdisk(0)partition(8)
	setenv OSLoadPartition /dev/sda1

but OSLoadPartition is ignored, so this no loger works. does it mean that
i have to use
	setenv root /dev/sda1
instead?

hmm, i really hate gotos :-(
--- cmdline.c.orig	Sun Mar 18 15:26:02 2001
+++ cmdline.c	Sun Mar 18 15:46:22 2001
@@ -34,23 +34,18 @@
 	char *cp;
 	int actr, i;

-	actr = 1; /* Always ignore argv[0] */
-
 	cp = &(arcs_cmdline[0]);
-	while(actr < prom_argc) {
-		for(i = 0; i < NENTS(ignored); i++) {
-			int len = strlen(ignored[i]);
-
-			if(!strncmp(prom_argv[actr], ignored[i], len))
-				goto pic_cont;
+
+	/* Always ignore argv[0] */
+	for (actr = 1; actr < prom_argc; actr++) {
+		for (i = 0; i < NENTS(ignored); i++) {
+			if (strncmp(prom_argv[actr], ignored[i], strlen(ignored[i]))) {
+				/* Ok, we want it. */
+				strcpy(cp, prom_argv[actr]);
+				cp += strlen(prom_argv[actr]);
+				*cp++ = ' ';
+			}
 		}
-		/* Ok, we want it. */
-		strcpy(cp, prom_argv[actr]);
-		cp += strlen(prom_argv[actr]);
-		*cp++ = ' ';
-
-	pic_cont:
-		actr++;
 	}
 	if (cp != &(arcs_cmdline[0])) /* get rid of trailing space */
 		--cp;
2) i also don't understand directory layout in arch/mips. i expected
indy's prom cmdline in arch/mips/sgi/prom, but found it in arch/mips/arc.
is there any historical (or other) reason for this?

3) what compiler are you using? compilation of glibc2.2.2 with gcc 2.95.2
took about 11 (!) hours on 100 MHz Indy, ie much more than on i486. now
i'm trying build gcc 3.0 from cvs, i hope it helps.

thanks for explanation,
ladis
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