1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2004 Marcel Moolenaar 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 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 ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef _MACHINE_KDB_H_ 30 #define _MACHINE_KDB_H_ 31 32 #include <machine/frame.h> 33 #include <machine/psl.h> 34 35 int kdb_cpu_set_watchpoint(vm_offset_t addr, vm_size_t size, int access); 36 int kdb_cpu_clr_watchpoint(vm_offset_t addr, vm_size_t size); 37 38 static __inline void 39 kdb_cpu_clear_singlestep(void) 40 { 41 kdb_frame->tf_eflags &= ~PSL_T; 42 } 43 44 static __inline void 45 kdb_cpu_set_singlestep(void) 46 { 47 kdb_frame->tf_eflags |= PSL_T; 48 } 49 50 static __inline void 51 kdb_cpu_sync_icache(unsigned char *addr, size_t size) 52 { 53 } 54 55 static __inline void 56 kdb_cpu_trap(int type, int code) 57 { 58 } 59 60 #endif /* _MACHINE_KDB_H_ */ 61