cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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cmdline.c (810B)

      1// SPDX-License-Identifier: GPL-2.0
      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
     18void __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}