This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / arch / mips / mips-boards / sim / cmdline.c

diff --git a/arch/mips/mips-boards/sim/cmdline.c b/arch/mips/mips-boards/sim/cmdline.c
new file mode 100644 (file)
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--- /dev/null
+++ b/arch/mips/mips-boards/sim/cmdline.c
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+/*
+ * Carsten Langgaard, carstenl@mips.com
+ * Copyright (C) 1999,2000 MIPS Technologies, Inc.  All rights reserved.
+ *
+ * This program is free software; you can distribute it and/or modify it
+ * under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ *
+ * Kernel command line creation using the prom monitor (YAMON) argc/argv.
+ */
+#include <linux/init.h>
+#include <linux/string.h>
+
+#include <asm/bootinfo.h>
+
+extern int prom_argc;
+extern int *_prom_argv;
+
+/*
+ * YAMON (32-bit PROM) pass arguments and environment as 32-bit pointer.
+ * This macro take care of sign extension.
+ */
+#define prom_argv(index) ((char *)(((int *)(int)_prom_argv)[(index)]))
+
+char arcs_cmdline[CL_SIZE];
+
+char * __init prom_getcmdline(void)
+{
+       return &(arcs_cmdline[0]);
+}
+
+
+void  __init prom_init_cmdline(void)
+{
+       char *cp;
+       int actr;
+
+       actr = 1; /* Always ignore argv[0] */
+
+       cp = &(arcs_cmdline[0]);
+       while(actr < prom_argc) {
+               strcpy(cp, prom_argv(actr));
+               cp += strlen(prom_argv(actr));
+               *cp++ = ' ';
+               actr++;
+       }
+       if (cp != &(arcs_cmdline[0])) /* get rid of trailing space */
+               --cp;
+       *cp = '\0';
+}