root/arch/arc/include/asm/setup.h

INCLUDED FROM

   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  */
  22 struct id_to_str {
  23         int id;
  24         const char *str;
  25 };
  26 
  27 extern int root_mountflags, end_mem;
  28 
  29 void setup_processor(void);
  30 void __init setup_arch_memory(void);
  31 long __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 */