1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
/*-
* Copyright (C) 2006 Semihalf, Rafal Jaworowski <raj@semihalf.com>
* Copyright 2002 by Peter Grehan.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
/*
* Interrupts are dispatched to here from locore asm
*/
#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/interrupt.h>
#include <sys/kernel.h>
#include <sys/kthread.h>
#include <sys/ktr.h>
#include <sys/lock.h>
#include <sys/malloc.h>
#include <sys/mutex.h>
#include <sys/proc.h>
#include <sys/smp.h>
#include <sys/unistd.h>
#include <sys/vmmeter.h>
#include <machine/cpu.h>
#include <machine/db_machdep.h>
#include <machine/frame.h>
#include <machine/intr_machdep.h>
#include <machine/md_var.h>
#include <machine/pcb.h>
#include <machine/psl.h>
#include <machine/trap.h>
#include "pic_if.h"
extern void decr_intr(struct trapframe *);
void powerpc_decr_interrupt(struct trapframe *);
void powerpc_extr_interrupt(struct trapframe *);
void powerpc_crit_interrupt(struct trapframe *);
void powerpc_mchk_interrupt(struct trapframe *);
static void dump_frame(struct trapframe *framep);
static void
dump_frame(struct trapframe *frame)
{
int i;
printf("\n*** *** STACK FRAME DUMP *** ***\n");
printf(" exc = 0x%x\n", frame->exc);
printf(" srr0 = 0x%08x\n", frame->srr0);
printf(" srr1 = 0x%08x\n", frame->srr1);
printf(" dear = 0x%08x\n", frame->cpu.booke.dear);
printf(" esr = 0x%08x\n", frame->cpu.booke.esr);
printf(" lr = 0x%08x\n", frame->lr);
printf(" cr = 0x%08x\n", frame->cr);
printf(" sp = 0x%08x\n", frame->fixreg[1]);
for (i = 0; i < 32; i++) {
printf(" R%02d = 0x%08x", i, frame->fixreg[i]);
if ((i & 0x3) == 3)
printf("\n");
}
printf("\n");
}
void powerpc_crit_interrupt(struct trapframe *framep)
{
printf("powerpc_crit_interrupt: critical interrupt!\n");
dump_frame(framep);
trap(framep);
}
void powerpc_mchk_interrupt(struct trapframe *framep)
{
printf("powerpc_mchk_interrupt: machine check interrupt!\n");
dump_frame(framep);
trap(framep);
}
/*
* Decrementer interrupt routine
*/
void
powerpc_decr_interrupt(struct trapframe *framep)
{
struct thread *td;
td = PCPU_GET(curthread);
atomic_add_int(&td->td_intr_nesting_level, 1);
decr_intr(framep);
atomic_subtract_int(&td->td_intr_nesting_level, 1);
}
/*
* External input interrupt routine
*/
void
powerpc_extr_interrupt(struct trapframe *framep)
{
struct thread *td;
td = PCPU_GET(curthread);
atomic_add_int(&td->td_intr_nesting_level, 1);
PIC_DISPATCH(pic, framep);
atomic_subtract_int(&td->td_intr_nesting_level, 1);
}
|
