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/cpufunc.h> 35 #include <machine/frame.h> 36 #include <machine/md_var.h> 37 #include <machine/psl.h> 38 #include <machine/spr.h> 39 40 void kdb_cpu_clear_singlestep(void); 41 void kdb_cpu_set_singlestep(void); 42 43 #define KDB_STOPPEDPCB(pc) &stoppcbs[pc->pc_cpuid] 44 45 static __inline void 46 kdb_cpu_sync_icache(unsigned char *addr, size_t size) 47 { 48 49 __syncicache(addr, size); 50 } 51 52 static __inline void 53 kdb_cpu_trap(int vector, int _) 54 { 55 } 56 57 static __inline int 58 kdb_cpu_set_watchpoint(vm_offset_t addr, vm_size_t size, int access) 59 { 60 61 return (ENXIO); 62 } 63 64 static __inline int 65 kdb_cpu_clr_watchpoint(vm_offset_t addr, vm_size_t size) 66 { 67 68 return (0); 69 } 70 71 #endif /* _MACHINE_KDB_H_ */ 72