2 * Copyright (c) 2004 Marcel Moolenaar
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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.
29 #ifndef _MACHINE_KDB_H_
30 #define _MACHINE_KDB_H_
32 #include <machine/cpufunc.h>
33 #include <machine/frame.h>
34 #include <machine/ia64_cpu.h>
37 kdb_cpu_clear_singlestep(void)
39 kdb_frame->tf_special.psr &= ~IA64_PSR_SS;
43 kdb_cpu_set_singlestep(void)
45 kdb_frame->tf_special.psr |= IA64_PSR_SS;
49 kdb_cpu_trap(int vector, int _)
51 __asm __volatile("flushrs;;");
53 if (vector == IA64_VEC_BREAK &&
54 kdb_frame->tf_special.ifa == IA64_FIXED_BREAK)
55 kdb_frame->tf_special.psr += IA64_PSR_RI_1;
58 #endif /* _MACHINE_KDB_H_ */