forked from Minki/linux
47 lines
972 B
C
47 lines
972 B
C
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/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
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*/
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#include <linux/init.h>
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#include <linux/string.h>
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#include <asm/bootinfo.h>
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extern int prom_argc;
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extern int *_prom_argv;
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/*
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* YAMON (32-bit PROM) pass arguments and environment as 32-bit pointer.
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* This macro take care of sign extension.
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*/
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#define prom_argv(index) ((char *)(long)_prom_argv[(index)])
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char * __init prom_getcmdline(void)
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{
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return &(arcs_cmdline[0]);
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}
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void __init prom_init_cmdline(void)
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{
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char *cp;
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int actr;
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actr = 1; /* Always ignore argv[0] */
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cp = &(arcs_cmdline[0]);
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while (actr < prom_argc) {
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strcpy(cp, prom_argv(actr));
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cp += strlen(prom_argv(actr));
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*cp++ = ' ';
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actr++;
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}
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if (cp != &(arcs_cmdline[0])) {
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/* get rid of trailing space */
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--cp;
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*cp = '\0';
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}
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}
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