1 /* $NetBSD: promdev.h,v 1.16 2010/08/25 20:16:49 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Paul Kranenburg. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <machine/bsd_openprom.h> 33 34 struct promdata { 35 int fd; /* Openboot descriptor */ 36 struct saioreq *si; /* Oldmon IO request */ 37 int devtype; /* Kind of device we're booting from */ 38 #define DT_BLOCK 1 39 #define DT_NET 2 40 #define DT_BYTE 3 41 /* Hooks for netif.c */ 42 ssize_t (*xmit)(struct promdata *, void *, size_t); 43 ssize_t (*recv)(struct promdata *, void *, size_t); 44 }; 45 46 #define DDB_MAGIC0 ( ('D'<<24) | ('D'<<16) | ('B'<<8) | ('0') ) 47 #define DDB_MAGIC1 ( ('D'<<24) | ('D'<<16) | ('B'<<8) | ('1') ) 48 #define DDB_MAGIC2 ( ('D'<<24) | ('D'<<16) | ('B'<<8) | ('2') ) 49 50 #define MAX_PROM_PATH 128 51 52 extern char prom_bootdevice[MAX_PROM_PATH]; 53 extern int cputyp, nbpg, pgofset, pgshift; 54 extern int debug; 55 56 /* Note: dvma_*() routines are for "oldmon" machines only */ 57 extern void dvma_init(void); 58 extern char *dvma_mapin(char *, size_t); 59 extern char *dvma_mapout(char *, size_t); 60 extern char *dvma_alloc(int); 61 extern void dvma_free(char *, int); 62 63 /* In net.c: */ 64 extern int net_open(struct promdata *); 65 extern int net_close(struct promdata *); 66 extern int net_mountroot(void); 67 68 /* In mmu.c */ 69 extern int mmu_init(void); 70 extern int (*pmap_map)(vaddr_t, paddr_t, psize_t); 71 extern int (*pmap_extract)(vaddr_t, paddr_t *); 72 73 /* In str0.S: */ 74 extern void sparc_noop(void); 75 extern void *romp; 76