arch/mips/include/asm/fw/fw.h

   1 /*
   2  * This file is subject to the terms and conditions of the GNU General Public
   3  * License.  See the file "COPYING" in the main directory of this archive
   4  * for more details.
   5  *
   6  * Copyright (C) 2012 MIPS Technologies, Inc.
   7  */
   8 #ifndef __ASM_FW_H_
   9 #define __ASM_FW_H_
  10
  11 #include <asm/bootinfo.h>       /* For cleaner code... */
  12
  13 extern int fw_argc;
  14 extern int *_fw_argv;
  15 extern int *_fw_envp;
  16
  17 /*
  18  * Most firmware like YAMON, PMON, etc. pass arguments and environment
  19  * variables as 32-bit pointers. These take care of sign extension.
  20  */
  21 #define fw_argv(index)          ((char *)(long)_fw_argv[(index)])
  22 #define fw_envp(index)          ((char *)(long)_fw_envp[(index)])
  23
  24 extern void fw_init_cmdline(void);
  25 extern char *fw_getcmdline(void);
  26 extern void fw_meminit(void);
  27 extern char *fw_getenv(char *name);
  28 extern unsigned long fw_getenvl(char *name);
  29 extern void fw_init_early_console(char port);
  30
  31 #endif /* __ASM_FW_H_ */