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      1 /*	$NetBSD: xxboot.h,v 1.4 2020/08/16 06:43:43 isaki Exp $	*/
      2 
      3 /*
      4  * Copyright (C) 2020 Tetsuya Isaki. All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     20  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     21  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     22  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     23  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     25  * SUCH DAMAGE.
     26  */
     27 
     28 #define BINF_ISFD(pbinf)	(*((uint8_t *)(pbinf) + 1) == 0)
     29 
     30 /* boot.S */
     31 extern int raw_read(uint32_t, uint32_t, void *);
     32 extern int badbaddr(volatile void *);
     33 extern void BOOT_ERROR(const char *) __dead;
     34 extern uint32_t BOOT_INFO;	/* result of IOCS(__BOOTINF) */
     35 extern uint32_t SCSI_ID;	/* target SCSI ID */
     36 extern uint32_t SCSI_PARTTOP;	/* top sector # of this partition */
     37 extern uint32_t SCSI_BLKLEN;	/* sector length index */
     38 extern struct {
     39 	uint32_t total_blocks;
     40 	uint32_t blocksize;
     41 } SCSI_CAP;
     42 extern struct {
     43 	struct fdfmt{
     44 		uint8_t	N;	/* sector length 1:256, 2:512, 3:1024 */
     45 		uint8_t	C;	/* cylinder # */
     46 		uint8_t	H;	/* head # */
     47 		uint8_t	R;	/* sector # */
     48 	} minsec, maxsec;
     49 } FDSEC;			/* FD format type of the first track */
     50 
     51 /* bootmain.c */
     52 extern void print_hex(u_int, int);
     53 
     54 /* consio1.c */
     55 extern int getchar(void);
     56 extern void putchar(int);
     57 
     58 /* xx.c */
     59 extern int xxopen(struct open_file *, ...);
     60 extern int xxclose(struct open_file *);
     61 extern int xxstrategy(void *, int, daddr_t, size_t, void *, size_t *);
     62 
     63 /* xxboot.ldscript */
     64 extern uint32_t startregs[16];
     65 
     66 /* vers.c */
     67 extern const char bootprog_name[];
     68 extern const char bootprog_rev[];
     69