1e5acd89cSAndrew Turner /*- 2e5acd89cSAndrew Turner * Copyright (c) 2014 The FreeBSD Foundation 3e5acd89cSAndrew Turner * 4e5acd89cSAndrew Turner * This software was developed by Semihalf under 5e5acd89cSAndrew Turner * the sponsorship of the FreeBSD Foundation. 6e5acd89cSAndrew Turner * 7e5acd89cSAndrew Turner * Redistribution and use in source and binary forms, with or without 8e5acd89cSAndrew Turner * modification, are permitted provided that the following conditions 9e5acd89cSAndrew Turner * are met: 10e5acd89cSAndrew Turner * 1. Redistributions of source code must retain the above copyright 11e5acd89cSAndrew Turner * notice, this list of conditions and the following disclaimer. 12e5acd89cSAndrew Turner * 2. Redistributions in binary form must reproduce the above copyright 13e5acd89cSAndrew Turner * notice, this list of conditions and the following disclaimer in the 14e5acd89cSAndrew Turner * documentation and/or other materials provided with the distribution. 15e5acd89cSAndrew Turner * 16e5acd89cSAndrew Turner * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17e5acd89cSAndrew Turner * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18e5acd89cSAndrew Turner * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19e5acd89cSAndrew Turner * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20e5acd89cSAndrew Turner * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21e5acd89cSAndrew Turner * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22e5acd89cSAndrew Turner * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23e5acd89cSAndrew Turner * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24e5acd89cSAndrew Turner * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25e5acd89cSAndrew Turner * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26e5acd89cSAndrew Turner * SUCH DAMAGE. 27e5acd89cSAndrew Turner */ 28e5acd89cSAndrew Turner 29e5acd89cSAndrew Turner #ifndef _MACHINE_DEBUG_MONITOR_H_ 30e5acd89cSAndrew Turner #define _MACHINE_DEBUG_MONITOR_H_ 31e5acd89cSAndrew Turner 32a5d295e2SAndrew Turner #define DBG_BRP_MAX 16 33a5d295e2SAndrew Turner #define DBG_WRP_MAX 16 34e5acd89cSAndrew Turner 35a5d295e2SAndrew Turner struct debug_monitor_state { 36a5d295e2SAndrew Turner uint32_t dbg_enable_count; 37a5d295e2SAndrew Turner uint32_t dbg_flags; 38a5d295e2SAndrew Turner #define DBGMON_ENABLED (1 << 0) 39a5d295e2SAndrew Turner #define DBGMON_KERNEL (1 << 1) 40a5d295e2SAndrew Turner uint64_t dbg_bcr[DBG_BRP_MAX]; 41a5d295e2SAndrew Turner uint64_t dbg_bvr[DBG_BRP_MAX]; 42a5d295e2SAndrew Turner uint64_t dbg_wcr[DBG_WRP_MAX]; 43a5d295e2SAndrew Turner uint64_t dbg_wvr[DBG_WRP_MAX]; 44e5acd89cSAndrew Turner }; 45e5acd89cSAndrew Turner 46d7a3eadaSAndrew Turner #ifdef _KERNEL 47d7a3eadaSAndrew Turner 48e5acd89cSAndrew Turner enum dbg_access_t { 49e5acd89cSAndrew Turner HW_BREAKPOINT_X = 0, 50e5acd89cSAndrew Turner HW_BREAKPOINT_R = 1, 51e5acd89cSAndrew Turner HW_BREAKPOINT_W = 2, 52e5acd89cSAndrew Turner HW_BREAKPOINT_RW = HW_BREAKPOINT_R | HW_BREAKPOINT_W, 53e5acd89cSAndrew Turner }; 54e5acd89cSAndrew Turner 55e5acd89cSAndrew Turner void dbg_monitor_init(void); 56a5d295e2SAndrew Turner void dbg_register_sync(struct debug_monitor_state *); 57a5d295e2SAndrew Turner 58a5d295e2SAndrew Turner #ifdef DDB 59*f242c47eSAndrew Turner void dbg_show_breakpoint(void); 60e5acd89cSAndrew Turner void dbg_show_watchpoint(void); 61e5acd89cSAndrew Turner #endif 62e5acd89cSAndrew Turner 63a5d295e2SAndrew Turner #endif /* _KERNEL */ 64a5d295e2SAndrew Turner 65e5acd89cSAndrew Turner #endif /* _MACHINE_DEBUG_MONITOR_H_ */ 66