root/sys/arch/loongson/stand/boot/libsa.h
/*      $OpenBSD: libsa.h,v 1.8 2023/02/23 19:48:22 miod Exp $  */

/*
 * Copyright (c) 2010 Miodrag Vallat.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <lib/libsa/stand.h>

/* where the initrd is loaded */
#define INITRD_BASE     PHYS_TO_CKSEG0(0x04000000)

/*
 * MD interfaces for MI boot(9)
 */
void    devboot(dev_t, char *);
void    machdep(void);
void    run_loadfile(uint64_t *, int);

/*
 * PMON console
 */
void    pmon_cnprobe(struct consdev *);
void    pmon_cninit(struct consdev *);
int     pmon_cngetc(dev_t);
void    pmon_cnputc(dev_t, int);

/*
 * PMON I/O
 */
int     pmon_iostrategy(void *, int, daddr_t, size_t, void *, size_t *);
int     pmon_ioopen(struct open_file *, ...);
int     pmon_ioclose(struct open_file *);

/*
 * INITRD I/O
 */
int     rd_iostrategy(void *, int, daddr_t, size_t, void *, size_t *);
int     rd_ioopen(struct open_file *, ...);
int     rd_ioclose(struct open_file *);
int     rd_isvalid(void);
void    rd_invalidate(void);

/*
 * INITRD ``filesystem''
 */
int     rdfs_open(char *path, struct open_file *f);
int     rdfs_close(struct open_file *f);
int     rdfs_read(struct open_file *f, void *buf, size_t size, size_t *resid);
int     rdfs_write(struct open_file *f, void *buf, size_t size, size_t *resid);
off_t   rdfs_seek(struct open_file *f, off_t offset, int where);
int     rdfs_stat(struct open_file *f, struct stat *sb);
int     rdfs_readdir(struct open_file *f, char *name);

extern int pmon_argc;
extern int32_t *pmon_argv;
extern int32_t *pmon_envp;
extern int32_t pmon_callvec;

extern char pmon_bootdev[];

extern char *kernelfile;