1 /*- 2 * Copyright (c) 2014 The FreeBSD Foundation 3 * All rights reserved. 4 * 5 * This software was developed by Semihalf under 6 * the sponsorship of the FreeBSD Foundation. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD$ 30 */ 31 32 #ifndef _MACHINE_DEBUG_MONITOR_H_ 33 #define _MACHINE_DEBUG_MONITOR_H_ 34 35 #ifdef KDB 36 37 #include <machine/db_machdep.h> 38 39 enum dbg_el_t { 40 DBG_FROM_EL0 = 0, 41 DBG_FROM_EL1 = 1, 42 }; 43 44 enum dbg_access_t { 45 HW_BREAKPOINT_X = 0, 46 HW_BREAKPOINT_R = 1, 47 HW_BREAKPOINT_W = 2, 48 HW_BREAKPOINT_RW = HW_BREAKPOINT_R | HW_BREAKPOINT_W, 49 }; 50 51 void dbg_monitor_init(void); 52 void dbg_show_watchpoint(void); 53 int dbg_setup_watchpoint(db_expr_t addr, db_expr_t size, enum dbg_el_t el, 54 enum dbg_access_t access); 55 int dbg_remove_watchpoint(db_expr_t addr, db_expr_t size, enum dbg_el_t el); 56 #else 57 static __inline void 58 dbg_monitor_init(void) 59 { 60 } 61 #endif 62 63 #endif /* _MACHINE_DEBUG_MONITOR_H_ */ 64