1 /*- 2 * Copyright (c) 2004 Marcel Moolenaar 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #ifndef _MACHINE_KDB_H_ 28 #define _MACHINE_KDB_H_ 29 30 #include <machine/cpufunc.h> 31 32 static __inline void 33 kdb_cpu_clear_singlestep(void) 34 { 35 } 36 37 static __inline void 38 kdb_cpu_set_singlestep(void) 39 { 40 } 41 42 static __inline void 43 kdb_cpu_sync_icache(unsigned char *addr, size_t size) 44 { 45 46 /* 47 * Other CPUs flush their instruction cache when resuming from 48 * IPI_STOP. 49 */ 50 fence_i(); 51 } 52 53 static __inline void 54 kdb_cpu_trap(int type, int code) 55 { 56 } 57 58 static __inline int 59 kdb_cpu_set_watchpoint(vm_offset_t addr, vm_size_t size, int access) 60 { 61 62 return (ENXIO); 63 } 64 65 static __inline int 66 kdb_cpu_clr_watchpoint(vm_offset_t addr, vm_size_t size) 67 { 68 69 return (0); 70 } 71 72 #endif /* _MACHINE_KDB_H_ */ 73