LXR linux/arch/arc/include/asm/setup.h

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
   4 */
   5#ifndef __ASMARC_SETUP_H
   6#define __ASMARC_SETUP_H
   7
   8
   9#include <linux/types.h>
  10#include <uapi/asm/setup.h>
  11
  12#ifdef CONFIG_ARC_PLAT_EZNPS
  13#define COMMAND_LINE_SIZE 2048
  14#else
  15#define COMMAND_LINE_SIZE 256
  16#endif
  17
  18/*
  19 * Data structure to map a ID to string
  20 * Used a lot for bootup reporting of hardware diversity
  21 */
  22struct id_to_str {
  23        int id;
  24        const char *str;
  25};
  26
  27extern int root_mountflags, end_mem;
  28
  29void setup_processor(void);
  30void __init setup_arch_memory(void);
  31long __init arc_get_mem_sz(void);
  32
  33/* Helpers used in arc_*_mumbojumbo routines */
  34#define IS_AVAIL1(v, s)         ((v) ? s : "")
  35#define IS_DISABLED_RUN(v)      ((v) ? "" : "(disabled) ")
  36#define IS_USED_RUN(v)          ((v) ? "" : "(not used) ")
  37#define IS_USED_CFG(cfg)        IS_USED_RUN(IS_ENABLED(cfg))
  38#define IS_AVAIL2(v, s, cfg)    IS_AVAIL1(v, s), IS_AVAIL1(v, IS_USED_CFG(cfg))
  39#define IS_AVAIL3(v, v2, s)     IS_AVAIL1(v, s), IS_AVAIL1(v, IS_DISABLED_RUN(v2))
  40
  41#endif /* __ASMARC_SETUP_H */
  42