1098ca2bdSWarner Losh /*- 231a58777SHidetoshi Shimokawa * Copyright (C) 2002-2004 3869093b1SHidetoshi Shimokawa * Hidetoshi Shimokawa. All rights reserved. 4869093b1SHidetoshi Shimokawa * 5869093b1SHidetoshi Shimokawa * Redistribution and use in source and binary forms, with or without 6869093b1SHidetoshi Shimokawa * modification, are permitted provided that the following conditions 7869093b1SHidetoshi Shimokawa * are met: 8869093b1SHidetoshi Shimokawa * 1. Redistributions of source code must retain the above copyright 9869093b1SHidetoshi Shimokawa * notice, this list of conditions and the following disclaimer. 10869093b1SHidetoshi Shimokawa * 2. Redistributions in binary form must reproduce the above copyright 11869093b1SHidetoshi Shimokawa * notice, this list of conditions and the following disclaimer in the 12869093b1SHidetoshi Shimokawa * documentation and/or other materials provided with the distribution. 13869093b1SHidetoshi Shimokawa * 3. All advertising materials mentioning features or use of this software 14869093b1SHidetoshi Shimokawa * must display the following acknowledgement: 15869093b1SHidetoshi Shimokawa * 16869093b1SHidetoshi Shimokawa * This product includes software developed by Hidetoshi Shimokawa. 17869093b1SHidetoshi Shimokawa * 18869093b1SHidetoshi Shimokawa * 4. Neither the name of the author nor the names of its contributors 19869093b1SHidetoshi Shimokawa * may be used to endorse or promote products derived from this software 20869093b1SHidetoshi Shimokawa * without specific prior written permission. 21869093b1SHidetoshi Shimokawa * 22869093b1SHidetoshi Shimokawa * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23869093b1SHidetoshi Shimokawa * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24869093b1SHidetoshi Shimokawa * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25869093b1SHidetoshi Shimokawa * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26869093b1SHidetoshi Shimokawa * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27869093b1SHidetoshi Shimokawa * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28869093b1SHidetoshi Shimokawa * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29869093b1SHidetoshi Shimokawa * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30869093b1SHidetoshi Shimokawa * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31869093b1SHidetoshi Shimokawa * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32869093b1SHidetoshi Shimokawa * SUCH DAMAGE. 33869093b1SHidetoshi Shimokawa * 34869093b1SHidetoshi Shimokawa * $Id: dcons.h,v 1.15 2003/10/23 15:05:31 simokawa Exp $ 35869093b1SHidetoshi Shimokawa * $FreeBSD$ 36869093b1SHidetoshi Shimokawa */ 37869093b1SHidetoshi Shimokawa 388ffa2e79SHidetoshi Shimokawa #if defined(_KERNEL) || defined(_BOOT) 39869093b1SHidetoshi Shimokawa #define V volatile 40869093b1SHidetoshi Shimokawa #else 41869093b1SHidetoshi Shimokawa #define V 42869093b1SHidetoshi Shimokawa #endif 43869093b1SHidetoshi Shimokawa 44869093b1SHidetoshi Shimokawa #define DCONS_NPORT 2 45869093b1SHidetoshi Shimokawa #define DCONS_CON 0 46869093b1SHidetoshi Shimokawa #define DCONS_GDB 1 47869093b1SHidetoshi Shimokawa 48869093b1SHidetoshi Shimokawa struct dcons_buf { 49869093b1SHidetoshi Shimokawa #define DCONS_VERSION 2 50869093b1SHidetoshi Shimokawa V u_int32_t version; 51869093b1SHidetoshi Shimokawa V u_int32_t ooffset[DCONS_NPORT]; 52869093b1SHidetoshi Shimokawa V u_int32_t ioffset[DCONS_NPORT]; 53869093b1SHidetoshi Shimokawa V u_int32_t osize[DCONS_NPORT]; 54869093b1SHidetoshi Shimokawa V u_int32_t isize[DCONS_NPORT]; 55869093b1SHidetoshi Shimokawa #define DCONS_MAGIC 0x64636f6e /* "dcon" */ 56869093b1SHidetoshi Shimokawa V u_int32_t magic; 57869093b1SHidetoshi Shimokawa #define DCONS_GEN_SHIFT (24) 58869093b1SHidetoshi Shimokawa #define DCONS_GEN_MASK (0xff) 59869093b1SHidetoshi Shimokawa #define DCONS_POS_MASK ((1<< DCONS_GEN_SHIFT) - 1) 60869093b1SHidetoshi Shimokawa V u_int32_t optr[DCONS_NPORT]; 61869093b1SHidetoshi Shimokawa V u_int32_t iptr[DCONS_NPORT]; 62869093b1SHidetoshi Shimokawa V char buf[0]; 63869093b1SHidetoshi Shimokawa }; 64869093b1SHidetoshi Shimokawa 65869093b1SHidetoshi Shimokawa #define DCONS_CSR_VAL_VER 0x64636f /* "dco" */ 66869093b1SHidetoshi Shimokawa #define DCONS_CSR_KEY_HI 0x3a 67869093b1SHidetoshi Shimokawa #define DCONS_CSR_KEY_LO 0x3b 68869093b1SHidetoshi Shimokawa 69869093b1SHidetoshi Shimokawa #define DCONS_HEADER_SIZE sizeof(struct dcons_buf) 70869093b1SHidetoshi Shimokawa #define DCONS_MAKE_PTR(x) htonl(((x)->gen << DCONS_GEN_SHIFT) | (x)->pos) 71869093b1SHidetoshi Shimokawa #define DCONS_NEXT_GEN(x) (((x) + 1) & DCONS_GEN_MASK) 72869093b1SHidetoshi Shimokawa 73869093b1SHidetoshi Shimokawa struct dcons_ch { 74869093b1SHidetoshi Shimokawa u_int32_t size; 75869093b1SHidetoshi Shimokawa u_int32_t gen; 76869093b1SHidetoshi Shimokawa u_int32_t pos; 778ffa2e79SHidetoshi Shimokawa #if defined(_KERNEL) || defined(_BOOT) 78869093b1SHidetoshi Shimokawa V u_int32_t *ptr; 79869093b1SHidetoshi Shimokawa V char *buf; 80869093b1SHidetoshi Shimokawa #else 81869093b1SHidetoshi Shimokawa off_t buf; 82869093b1SHidetoshi Shimokawa #endif 83869093b1SHidetoshi Shimokawa }; 84869093b1SHidetoshi Shimokawa 85869093b1SHidetoshi Shimokawa #define KEY_CTRLB 2 /* ^B */ 86869093b1SHidetoshi Shimokawa #define KEY_CR 13 /* CR '\r' */ 87869093b1SHidetoshi Shimokawa #define KEY_TILDE 126 /* ~ */ 88869093b1SHidetoshi Shimokawa #define STATE0 0 89869093b1SHidetoshi Shimokawa #define STATE1 1 90869093b1SHidetoshi Shimokawa #define STATE2 2 91869093b1SHidetoshi Shimokawa 928ffa2e79SHidetoshi Shimokawa #if defined(_KERNEL) || defined(_BOOT) 9331a58777SHidetoshi Shimokawa struct dcons_softc { 9431a58777SHidetoshi Shimokawa struct dcons_ch o, i; 9531a58777SHidetoshi Shimokawa int brk_state; 9631a58777SHidetoshi Shimokawa #define DC_GDB 1 9731a58777SHidetoshi Shimokawa int flags; 9831a58777SHidetoshi Shimokawa void *dev; 9919b3bba3SHidetoshi Shimokawa }; 10031a58777SHidetoshi Shimokawa 10131a58777SHidetoshi Shimokawa int dcons_checkc(struct dcons_softc *); 10231a58777SHidetoshi Shimokawa int dcons_ischar(struct dcons_softc *); 10331a58777SHidetoshi Shimokawa void dcons_putc(struct dcons_softc *, int); 10431a58777SHidetoshi Shimokawa int dcons_load_buffer(struct dcons_buf *, int, struct dcons_softc *); 10531a58777SHidetoshi Shimokawa void dcons_init(struct dcons_buf *, int, struct dcons_softc *); 106869093b1SHidetoshi Shimokawa #endif 107