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_ */ 32