/*      $NetBSD: xxboot.h,v 1.4 2020/08/16 06:43:43 isaki Exp $ */

/*
* Copyright (C) 2020 Tetsuya Isaki. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/

#define BINF_ISFD(pbinf)        (*((uint8_t *)(pbinf) + 1) == 0)

/* boot.S */
extern int raw_read(uint32_t, uint32_t, void *);
extern int badbaddr(volatile void *);
extern void BOOT_ERROR(const char *) __dead;
extern uint32_t BOOT_INFO;      /* result of IOCS(__BOOTINF) */
extern uint32_t SCSI_ID;        /* target SCSI ID */
extern uint32_t SCSI_PARTTOP;   /* top sector # of this partition */
extern uint32_t SCSI_BLKLEN;    /* sector length index */
extern struct {
       uint32_t total_blocks;
       uint32_t blocksize;
} SCSI_CAP;
extern struct {
       struct fdfmt{
               uint8_t N;      /* sector length 1:256, 2:512, 3:1024 */
               uint8_t C;      /* cylinder # */
               uint8_t H;      /* head # */
               uint8_t R;      /* sector # */
       } minsec, maxsec;
} FDSEC;                        /* FD format type of the first track */

/* bootmain.c */
extern void print_hex(u_int, int);

/* consio1.c */
extern int getchar(void);
extern void putchar(int);

/* xx.c */
extern int xxopen(struct open_file *, ...);
extern int xxclose(struct open_file *);
extern int xxstrategy(void *, int, daddr_t, size_t, void *, size_t *);

/* xxboot.ldscript */
extern uint32_t startregs[16];

/* vers.c */
extern const char bootprog_name[];
extern const char bootprog_rev[];