promdev.h revision 1.3
1 /* $NetBSD: promdev.h,v 1.3 1998/09/05 15:11:22 pk 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <machine/bsd_openprom.h> 40 41 struct promdata { 42 int fd; /* Openboot descriptor */ 43 struct saioreq *si; /* Oldmon IO request */ 44 int devtype; /* Kind of device we're booting from */ 45 #define DT_BLOCK 1 46 #define DT_NET 2 47 #define DT_BYTE 3 48 /* Hooks for netif.c */ 49 int (*xmit) __P((struct promdata *, void *, size_t)); 50 int (*recv) __P((struct promdata *, void *, size_t)); 51 }; 52 53 #define LOADADDR ((caddr_t)0x4000) 54 #define DDB_MAGIC0 ( ('D'<<24) | ('D'<<16) | ('B'<<8) | ('0') ) 55 #define DDB_MAGIC1 ( ('D'<<24) | ('D'<<16) | ('B'<<8) | ('1') ) 56 57 58 extern struct promvec *promvec; 59 extern char *prom_bootdevice; 60 extern char *prom_bootfile; 61 extern int prom_boothow; 62 extern int hz; 63 extern int cputyp, nbpg, pgofset, pgshift; 64 extern int debug; 65 66 extern void prom_init __P((void)); 67 68 /* Note: dvma_*() routines are for "oldmon" machines only */ 69 extern char *dvma_mapin __P((char *, size_t)); 70 extern char *dvma_mapout __P((char *, size_t)); 71 extern char *dvma_alloc __P((int)); 72 73 /* 74 * duplicates from pmap.c for mapping device on "oldmon" machines. 75 */ 76 #include <sparc/sparc/asm.h> 77 78 #define getcontext() lduba(AC_CONTEXT, ASI_CONTROL) 79 #define setcontext(c) stba(AC_CONTEXT, ASI_CONTROL, c) 80 #define getsegmap(va) (cputyp == CPU_SUN4C \ 81 ? lduba(va, ASI_SEGMAP) \ 82 : lduha(va, ASI_SEGMAP)) 83 #define setsegmap(va, pmeg) (cputyp == CPU_SUN4C \ 84 ? stba(va, ASI_SEGMAP, pmeg) \ 85 : stha(va, ASI_SEGMAP, pmeg)) 86 #define getregmap(va) ((unsigned)lduha(va+2, ASI_REGMAP) >> 8) 87 #define setregmap(va, smeg) stha(va+2, ASI_REGMAP, (smeg << 8)) 88 89 #define getpte(va) lda(va, ASI_PTE) 90 #define setpte(va, pte) sta(va, ASI_PTE, pte) 91
Indexes created Wed Sep 24 05:09:52 GMT 2025