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author | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
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committer | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
commit | 97327692361306d1e6259021bc425e32832fdb50 (patch) | |
tree | fe9088f3248ec61e24f404f21b9793cb644b7f01 /arch/mips/mti-malta/malta-cmdline.c | |
parent | 2d05a8f663478a44e088d122e0d62109bbc801d0 (diff) | |
parent | a3a8b90b61e21be3dde9101c4e86c881e0f06210 (diff) | |
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dirty fix to merging
Diffstat (limited to 'arch/mips/mti-malta/malta-cmdline.c')
-rw-r--r-- | arch/mips/mti-malta/malta-cmdline.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/arch/mips/mti-malta/malta-cmdline.c b/arch/mips/mti-malta/malta-cmdline.c new file mode 100644 index 00000000..1871c30e --- /dev/null +++ b/arch/mips/mti-malta/malta-cmdline.c @@ -0,0 +1,59 @@ +/* + * 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 *)(long)_prom_argv[(index)]) + +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'; + } +} |