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Diffstat (limited to 'arch/mips/loongson/common/cmdline.c')
| -rw-r--r-- | arch/mips/loongson/common/cmdline.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/mips/loongson/common/cmdline.c b/arch/mips/loongson/common/cmdline.c new file mode 100644 index 000000000..72fed003a --- /dev/null +++ b/arch/mips/loongson/common/cmdline.c @@ -0,0 +1,48 @@ +/* + * Based on Ocelot Linux port, which is + * Copyright 2001 MontaVista Software Inc. + * Author: jsun@mvista.com or jsun@junsun.net + * + * Copyright 2003 ICT CAS + * Author: Michael Guo <guoyi@ict.ac.cn> + * + * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology + * Author: Fuxin Zhang, zhangfx@lemote.com + * + * Copyright (C) 2009 Lemote Inc. + * Author: Wu Zhangjin, wuzhangjin@gmail.com + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ +#include <asm/bootinfo.h> + +#include <loongson.h> + +void __init prom_init_cmdline(void) +{ + int prom_argc; + /* pmon passes arguments in 32bit pointers */ + int *_prom_argv; + int i; + long l; + + /* firmware arguments are initialized in head.S */ + prom_argc = fw_arg0; + _prom_argv = (int *)fw_arg1; + + /* arg[0] is "g", the rest is boot parameters */ + arcs_cmdline[0] = '\0'; + for (i = 1; i < prom_argc; i++) { + l = (long)_prom_argv[i]; + if (strlen(arcs_cmdline) + strlen(((char *)l) + 1) + >= sizeof(arcs_cmdline)) + break; + strcat(arcs_cmdline, ((char *)l)); + strcat(arcs_cmdline, " "); + } + + prom_init_machtype(); +} |