| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * cmdline.c: read the command line passed to us by the PROM. |
| * |
| * Copyright (C) 1998 Harald Koerfgen |
| * Copyright (C) 2002, 2004 Maciej W. Rozycki |
| */ |
| #include <linux/init.h> |
| #include <linux/kernel.h> |
| #include <linux/string.h> |
| #include <linux/types.h> |
| |
| #include <asm/bootinfo.h> |
| #include <asm/dec/prom.h> |
| |
| #undef PROM_DEBUG |
| |
| void __init prom_init_cmdline(s32 argc, s32 *argv, u32 magic) |
| { |
| char *arg; |
| int start_arg, i; |
| |
| /* |
| * collect args and prepare cmd_line |
| */ |
| if (!prom_is_rex(magic)) |
| start_arg = 1; |
| else |
| start_arg = 2; |
| for (i = start_arg; i < argc; i++) { |
| arg = (void *)(long)(argv[i]); |
| strcat(arcs_cmdline, arg); |
| if (i < (argc - 1)) |
| strcat(arcs_cmdline, " "); |
| } |
| |
| #ifdef PROM_DEBUG |
| printk("arcs_cmdline: %s\n", &(arcs_cmdline[0])); |
| #endif |
| } |