48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 2012 MIPS Technologies, Inc.
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*/
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#ifndef __ASM_FW_H_
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#define __ASM_FW_H_
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#include <asm/bootinfo.h> /* For cleaner code... */
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enum fw_memtypes {
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fw_dontuse,
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fw_code,
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fw_free,
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};
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typedef struct {
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unsigned long base; /* Within KSEG0 */
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unsigned int size; /* bytes */
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enum fw_memtypes type; /* fw_memtypes */
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} fw_memblock_t;
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/* Maximum number of memory block descriptors. */
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#define FW_MAX_MEMBLOCKS 32
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extern int fw_argc;
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extern int *_fw_argv;
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extern int *_fw_envp;
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/*
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* Most firmware like YAMON, PMON, etc. pass arguments and environment
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* variables as 32-bit pointers. These take care of sign extension.
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*/
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#define fw_argv(index) ((char *)(long)_fw_argv[(index)])
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#define fw_envp(index) ((char *)(long)_fw_envp[(index)])
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extern void fw_init_cmdline(void);
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extern char *fw_getcmdline(void);
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extern fw_memblock_t *fw_getmdesc(int);
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extern void fw_meminit(void);
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extern char *fw_getenv(char *name);
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extern unsigned long fw_getenvl(char *name);
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extern void fw_init_early_console(char port);
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#endif /* __ASM_FW_H_ */
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