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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
1da177e4 LT |
2 | /* |
3 | * cmdline.c: read the command line passed to us by the PROM. | |
4 | * | |
5 | * Copyright (C) 1998 Harald Koerfgen | |
6 | * Copyright (C) 2002, 2004 Maciej W. Rozycki | |
7 | */ | |
8 | #include <linux/init.h> | |
9 | #include <linux/kernel.h> | |
10 | #include <linux/string.h> | |
11 | #include <linux/types.h> | |
12 | ||
13 | #include <asm/bootinfo.h> | |
14 | #include <asm/dec/prom.h> | |
15 | ||
16 | #undef PROM_DEBUG | |
17 | ||
18 | void __init prom_init_cmdline(s32 argc, s32 *argv, u32 magic) | |
19 | { | |
20 | char *arg; | |
21 | int start_arg, i; | |
22 | ||
23 | /* | |
24 | * collect args and prepare cmd_line | |
25 | */ | |
26 | if (!prom_is_rex(magic)) | |
27 | start_arg = 1; | |
28 | else | |
29 | start_arg = 2; | |
30 | for (i = start_arg; i < argc; i++) { | |
31 | arg = (void *)(long)(argv[i]); | |
32 | strcat(arcs_cmdline, arg); | |
33 | if (i < (argc - 1)) | |
34 | strcat(arcs_cmdline, " "); | |
35 | } | |
36 | ||
37 | #ifdef PROM_DEBUG | |
38 | printk("arcs_cmdline: %s\n", &(arcs_cmdline[0])); | |
39 | #endif | |
40 | } |