162306a36Sopenharmony_ci/* 262306a36Sopenharmony_ci * This file is subject to the terms and conditions of the GNU General Public 362306a36Sopenharmony_ci * License. See the file "COPYING" in the main directory of this archive 462306a36Sopenharmony_ci * for more details. 562306a36Sopenharmony_ci * 662306a36Sopenharmony_ci * Copyright (C) 2012 MIPS Technologies, Inc. 762306a36Sopenharmony_ci */ 862306a36Sopenharmony_ci#ifndef __ASM_FW_H_ 962306a36Sopenharmony_ci#define __ASM_FW_H_ 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_ci#include <asm/bootinfo.h> /* For cleaner code... */ 1262306a36Sopenharmony_ci 1362306a36Sopenharmony_ciextern int fw_argc; 1462306a36Sopenharmony_ciextern int *_fw_argv; 1562306a36Sopenharmony_ciextern int *_fw_envp; 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_ci/* 1862306a36Sopenharmony_ci * Most firmware like YAMON, PMON, etc. pass arguments and environment 1962306a36Sopenharmony_ci * variables as 32-bit pointers. These take care of sign extension. 2062306a36Sopenharmony_ci */ 2162306a36Sopenharmony_ci#define fw_argv(index) ((char *)(long)_fw_argv[(index)]) 2262306a36Sopenharmony_ci#define fw_envp(index) ((char *)(long)_fw_envp[(index)]) 2362306a36Sopenharmony_ci 2462306a36Sopenharmony_ciextern void fw_init_cmdline(void); 2562306a36Sopenharmony_ciextern char *fw_getcmdline(void); 2662306a36Sopenharmony_ciextern void fw_meminit(void); 2762306a36Sopenharmony_ciextern char *fw_getenv(char *name); 2862306a36Sopenharmony_ciextern unsigned long fw_getenvl(char *name); 2962306a36Sopenharmony_ciextern void fw_init_early_console(void); 3062306a36Sopenharmony_ci 3162306a36Sopenharmony_ci#endif /* __ASM_FW_H_ */ 32