1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 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 * $FreeBSD$ 29 */ 30 31 #ifndef _MACHINE_KDB_H_ 32 #define _MACHINE_KDB_H_ 33 34 #include <machine/frame.h> 35 #include <machine/psl.h> 36 37 #define KDB_STOPPEDPCB(pc) &stoppcbs[pc->pc_cpuid] 38 39 int kdb_cpu_set_watchpoint(vm_offset_t addr, vm_size_t size, int access); 40 int kdb_cpu_clr_watchpoint(vm_offset_t addr, vm_size_t size); 41 42 static __inline void 43 kdb_cpu_clear_singlestep(void) 44 { 45 kdb_frame->tf_rflags &= ~PSL_T; 46 } 47 48 static __inline void 49 kdb_cpu_set_singlestep(void) 50 { 51 kdb_frame->tf_rflags |= PSL_T; 52 } 53 54 static __inline void 55 kdb_cpu_sync_icache(unsigned char *addr, size_t size) 56 { 57 } 58 59 static __inline void 60 kdb_cpu_trap(int type, int code) 61 { 62 } 63 64 #endif /* _MACHINE_KDB_H_ */ 65