aboutsummaryrefslogtreecommitdiffstats
path: root/extras/mini-os/arch/ia64/debug.c
blob: f0e57776f7f23163d7adad9532c357a23e9d32ad (plain)
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
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
/* 
 ****************************************************************************
 * Done by Dietmar Hahn <dietmar.hahn@fujitsu-siemens.com
 *
 * Description:	ia64 specific part of the mini-os
 * 		Prints debug information on a crash of mini-os
 *
 * Parts are taken from FreeBSD.
 *
 ****************************************************************************
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
 * DEALINGS IN THE SOFTWARE.
 */

#include <mini-os/os.h>

static const char *ia64_vector_names[] = {
	"VHPT Translation",			/* 0 */
	"Instruction TLB",			/* 1 */
	"Data TLB",				/* 2 */
	"Alternate Instruction TLB",		/* 3 */
	"Alternate Data TLB",			/* 4 */
	"Data Nested TLB",			/* 5 */
	"Instruction Key Miss",			/* 6 */
	"Data Key Miss",			/* 7 */
	"Dirty-Bit",				/* 8 */
	"Instruction Access-Bit",		/* 9 */
	"Data Access-Bit",			/* 10 */
	"Break Instruction",			/* 11 */
	"External Interrupt",			/* 12 */
	"Reserved 13",				/* 13 */
	"Reserved 14",				/* 14 */
	"Reserved 15",				/* 15 */
	"Reserved 16",				/* 16 */
	"Reserved 17",				/* 17 */
	"Reserved 18",				/* 18 */
	"Reserved 19",				/* 19 */
	"Page Not Present",			/* 20 */
	"Key Permission",			/* 21 */
	"Instruction Access Rights",		/* 22 */
	"Data Access Rights",			/* 23 */
	"General Exception",			/* 24 */
	"Disabled FP-Register",			/* 25 */
	"NaT Consumption",			/* 26 */
	"Speculation",				/* 27 */
	"Reserved 28",				/* 28 */
	"Debug",				/* 29 */
	"Unaligned Reference",			/* 30 */
	"Unsupported Data Reference",		/* 31 */
	"Floating-point Fault",			/* 32 */
	"Floating-point Trap",			/* 33 */
	"Lower-Privilege Transfer Trap",	/* 34 */
	"Taken Branch Trap",			/* 35 */
	"Single Step Trap",			/* 36 */
	"Reserved 37",				/* 37 */
	"Reserved 38",				/* 38 */
	"Reserved 39",				/* 39 */
	"Reserved 40",				/* 40 */
	"Reserved 41",				/* 41 */
	"Reserved 42",				/* 42 */
	"Reserved 43",				/* 43 */
	"Reserved 44",				/* 44 */
	"IA-32 Exception",			/* 45 */
	"IA-32 Intercept",			/* 46 */
	"IA-32 Interrupt",			/* 47 */
	"Reserved 48",				/* 48 */
	"Reserved 49",				/* 49 */
	"Reserved 50",				/* 50 */
	"Reserved 51",				/* 51 */
	"Reserved 52",				/* 52 */
	"Reserved 53",				/* 53 */
	"Reserved 54",				/* 54 */
	"Reserved 55",				/* 55 */
	"Reserved 56",				/* 56 */
	"Reserved 57",				/* 57 */
	"Reserved 58",				/* 58 */
	"Reserved 59",				/* 59 */
	"Reserved 60",				/* 60 */
	"Reserved 61",				/* 61 */
	"Reserved 62",				/* 62 */
	"Reserved 63",				/* 63 */
	"Reserved 64",				/* 64 */
	"Reserved 65",				/* 65 */
	"Reserved 66",				/* 66 */
	"Reserved 67",				/* 67 */
};

typedef struct
{
	uint64_t sof	:7;	/* 0-6 size of frame */
	uint64_t sol	:7;	/* 7-13 size of locals (in + loc) */
	uint64_t sor	:4;
	uint64_t rrb_gr	:7;
	uint64_t rrb_fr	:7;
	uint64_t rrb_pr	:6;
	uint64_t res	:25;	/* reserved */
	uint64_t v	:1;	/* The v bit */
} ifs_t;

void
do_trap_error(trap_frame_t* tf)
{
	ifs_t curIfs;

	printk("TRAP in mini-os:\n");
	printk("  trap: %d (%s)\n", tf->trap_num,
	       ia64_vector_names[tf->trap_num]);
	printk("  iip : 0x%.16lx  ifa: 0x%.16lx\n", tf->iip, tf->ifa);
	printk("  ipsr: 0x%.16lx  ifs: 0x%.16lx\n", tf->ipsr, tf->ifs);
	printk("  isr : 0x%.16lx\n", tf->isr);
	printk("  gp  : 0x%.16lx  sp : 0x%.16lx\n", tf->gp, tf->sp);
	printk("  rp  : 0x%.16lx  tp : 0x%.16lx\n", tf->b0, tf->tp);
	printk("  b6  : 0x%.16lx  b7 : 0x%.16lx\n", tf->b6, tf->b7);
	printk("  r8  : 0x%.16lx\n", tf->r8);
	printk("  bsp : 0x%.16lx  rsc: 0x%.16lx\n", tf->bsp, tf->rsc);
	printk("  r14 : 0x%.16lx  r15: 0x%.16lx\n", tf->r14, tf->r15);
	printk("  r16 : 0x%.16lx  r17: 0x%.16lx\n", tf->r16, tf->r17);
	printk("  r18 : 0x%.16lx  r19: 0x%.16lx\n", tf->r18, tf->r19);
	printk("  r20 : 0x%.16lx  r21: 0x%.16lx\n", tf->r20, tf->r21);
	printk("  r22 : 0x%.16lx  r23: 0x%.16lx\n", tf->r22, tf->r23);
	printk("  r24 : 0x%.16lx  r25: 0x%.16lx\n", tf->r24, tf->r25);
	printk("  r26 : 0x%.16lx  r27: 0x%.16lx\n", tf->r26, tf->r27);
	printk("  r28 : 0x%.16lx  r29: 0x%.16lx\n", tf->r28, tf->r29);
	printk("  r30 : 0x%.16lx  r31: 0x%.16lx\n", tf->r30, tf->r31);

	__asm __volatile("flushrs;;");
	curIfs = *((ifs_t*)((void*)(&tf->ifs)));
	if (!curIfs.v)
		printk(" ifs.v = 0");
	else {
		uint64_t* regP;
		uint32_t  i;

		printk("  cfm.sof: %d  cfm.sol: %d\n", curIfs.sof, curIfs.sol);
		regP = (uint64_t *)(tf->bsp + tf->ndirty);
		for (i = curIfs.sof; i != 0; ) {
			if (i <= (((uint64_t)regP & 0x000001f8) >> 3)) {
				regP -= i;
				i = 0;
				break;
			}
			i -= ((uint64_t)regP & 0x000001f8) >> 3;
			regP = (uint64_t *)((uint64_t)regP & ~0x000001ff) - 1;
		}
		for (i = 0; i < curIfs.sof; i++) {
			if (((uint64_t)regP & 0x000001f8) == 0x000001f8)
				regP++;
			printk("  r%d: 0x%lx\n",  i+32, *regP);
			regP++;
		}
	}
	HYPERVISOR_shutdown(SHUTDOWN_poweroff);
}