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 * $FreeBSD: releng/10.2/sys/ia64/include/kdb.h 268199 2014-07-02 23:37:14Z marcel $ 27 */ 28 29#ifndef _MACHINE_KDB_H_ 30#define _MACHINE_KDB_H_ 31 32#include <machine/cpufunc.h> 33#include <machine/frame.h> 34#include <machine/ia64_cpu.h> 35 36#define KDB_STOPPEDPCB(pc) (&(pc)->pc_md.pcb) 37 38void kdb_cpu_trap(int, int); 39 40static __inline void 41kdb_cpu_clear_singlestep(void) 42{ 43 kdb_frame->tf_special.psr &= ~IA64_PSR_SS; 44} 45 46static __inline void 47kdb_cpu_set_singlestep(void) 48{ 49 kdb_frame->tf_special.psr |= IA64_PSR_SS; 50} 51 52static __inline void 53kdb_cpu_sync_icache(unsigned char *addr, size_t size) 54{ 55 vm_offset_t cacheline; 56 57 cacheline = (uintptr_t)addr & ~31; 58 size += (uintptr_t)addr - cacheline; 59 size = (size + 31) & ~31; 60 while (size > 0) { 61 __asm __volatile("fc %0;; sync.i;; srlz.i;;" :: "r"(cacheline)); 62 cacheline += 32; 63 size -= 32; 64 } 65} 66 67#endif /* _MACHINE_KDB_H_ */ 68