patch-2.1.44 linux/arch/mips/sgi/prom/cmdline.c

• Lines: 61
• Date: Thu Jun 26 12:33:38 1997
• Orig file: v2.1.43/linux/arch/mips/sgi/prom/cmdline.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.43/linux/arch/mips/sgi/prom/cmdline.c linux/arch/mips/sgi/prom/cmdline.c
@@ -0,0 +1,60 @@
+/* $Id: cmdline.c,v 1.1 1997/06/06 09:36:53 ralf Exp $
+ * cmdline.c: Kernel command line creation using ARCS argc/argv.
+ *
+ * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
+ */
+
+#include <linux/kernel.h>
+#include <linux/string.h>
+
+#include <asm/sgialib.h>
+#include <asm/bootinfo.h>
+
+/* #define DEBUG_CMDLINE */
+
+extern char arcs_cmdline[CL_SIZE];
+
+char *prom_getcmdline(void)
+{
+	return &(arcs_cmdline[0]);
+}
+
+static char *ignored[] = {
+	"ConsoleIn=",
+	"ConsoleOut=",
+	"SystemPartition=",
+	"OSLoader=",
+	"OSLoadPartition=",
+	"OSLoadFilename="
+};
+#define NENTS(foo) ((sizeof((foo)) / (sizeof((foo[0])))))
+
+void prom_init_cmdline(void)
+{
+	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;
+		}
+		/* Ok, we want it. */
+		strcpy(cp, prom_argv[actr]);
+		cp += strlen(prom_argv[actr]);
+		*cp++ = ' ';
+
+	pic_cont:
+		actr++;
+	}
+	*cp = '\0';
+
+#ifdef DEBUG_CMDLINE
+	prom_printf("prom_init_cmdline: %s\n", &(arcs_cmdline[0]));
+#endif
+}