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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
/*
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* Based on Ocelot Linux port, which is
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* Copyright 2001 MontaVista Software Inc.
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* Author: jsun@mvista.com or jsun@junsun.net
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*
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* Copyright 2003 ICT CAS
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* Author: Michael Guo <guoyi@ict.ac.cn>
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*
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* Copyright (C) 2007 Lemote Inc. & Institute of Computing Technology
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* Author: Fuxin Zhang, zhangfx@lemote.com
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*
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* Copyright (C) 2009 Lemote Inc.
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* Author: Wu Zhangjin, wuzhangjin@gmail.com
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*/
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#include <asm/bootinfo.h>
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#include <loongson.h>
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void __init prom_init_cmdline(void)
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{
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int prom_argc;
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/* pmon passes arguments in 32bit pointers */
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int *_prom_argv;
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int i;
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long l;
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/* firmware arguments are initialized in head.S */
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prom_argc = fw_arg0;
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_prom_argv = (int *)fw_arg1;
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/* arg[0] is "g", the rest is boot parameters */
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arcs_cmdline[0] = '\0';
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for (i = 1; i < prom_argc; i++) {
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l = (long)_prom_argv[i];
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if (strlen(arcs_cmdline) + strlen(((char *)l) + 1)
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>= sizeof(arcs_cmdline))
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break;
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strcat(arcs_cmdline, ((char *)l));
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strcat(arcs_cmdline, " ");
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}
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prom_init_machtype();
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}
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