18c2ecf20Sopenharmony_ci/* 28c2ecf20Sopenharmony_ci * This file is subject to the terms and conditions of the GNU General Public 38c2ecf20Sopenharmony_ci * License. See the file "COPYING" in the main directory of this archive 48c2ecf20Sopenharmony_ci * for more details. 58c2ecf20Sopenharmony_ci * 68c2ecf20Sopenharmony_ci * Copyright (C) 2012 MIPS Technologies, Inc. 78c2ecf20Sopenharmony_ci */ 88c2ecf20Sopenharmony_ci#ifndef __ASM_FW_H_ 98c2ecf20Sopenharmony_ci#define __ASM_FW_H_ 108c2ecf20Sopenharmony_ci 118c2ecf20Sopenharmony_ci#include <asm/bootinfo.h> /* For cleaner code... */ 128c2ecf20Sopenharmony_ci 138c2ecf20Sopenharmony_ciextern int fw_argc; 148c2ecf20Sopenharmony_ciextern int *_fw_argv; 158c2ecf20Sopenharmony_ciextern int *_fw_envp; 168c2ecf20Sopenharmony_ci 178c2ecf20Sopenharmony_ci/* 188c2ecf20Sopenharmony_ci * Most firmware like YAMON, PMON, etc. pass arguments and environment 198c2ecf20Sopenharmony_ci * variables as 32-bit pointers. These take care of sign extension. 208c2ecf20Sopenharmony_ci */ 218c2ecf20Sopenharmony_ci#define fw_argv(index) ((char *)(long)_fw_argv[(index)]) 228c2ecf20Sopenharmony_ci#define fw_envp(index) ((char *)(long)_fw_envp[(index)]) 238c2ecf20Sopenharmony_ci 248c2ecf20Sopenharmony_ciextern void fw_init_cmdline(void); 258c2ecf20Sopenharmony_ciextern char *fw_getcmdline(void); 268c2ecf20Sopenharmony_ciextern void fw_meminit(void); 278c2ecf20Sopenharmony_ciextern char *fw_getenv(char *name); 288c2ecf20Sopenharmony_ciextern unsigned long fw_getenvl(char *name); 298c2ecf20Sopenharmony_ciextern void fw_init_early_console(void); 308c2ecf20Sopenharmony_ci 318c2ecf20Sopenharmony_ci#endif /* __ASM_FW_H_ */ 32