| 1 |
1026 |
ivang |
/*
|
| 2 |
|
|
* M68340/349 registers and stack dump if an exception is raised
|
| 3 |
|
|
*
|
| 4 |
|
|
* Author:
|
| 5 |
|
|
* Pascal Cadic
|
| 6 |
|
|
* France Telecom - CNET/DSM/TAM/CAT
|
| 7 |
|
|
* 4, rue du Clos Courtel
|
| 8 |
|
|
* 35512 CESSON-SEVIGNE
|
| 9 |
|
|
* FRANCE
|
| 10 |
|
|
*
|
| 11 |
|
|
* COPYRIGHT (c) 1989-1999.
|
| 12 |
|
|
* On-Line Applications Research Corporation (OAR).
|
| 13 |
|
|
*
|
| 14 |
|
|
* The license and distribution terms for this file may be
|
| 15 |
|
|
* found in the file LICENSE in this distribution or at
|
| 16 |
|
|
*
|
| 17 |
|
|
* http://www.OARcorp.com/rtems/license.html.
|
| 18 |
|
|
*
|
| 19 |
|
|
* dumpanic.c,v 1.2 1999/11/17 17:50:56 joel Exp
|
| 20 |
|
|
*/
|
| 21 |
|
|
|
| 22 |
|
|
#include <stdio.h>
|
| 23 |
|
|
|
| 24 |
|
|
const char *exceptionName[] =
|
| 25 |
|
|
{
|
| 26 |
|
|
"INITIAL STACK POINTER",
|
| 27 |
|
|
"INITIAL PROGRAM COUNTER",
|
| 28 |
|
|
"BUS ERROR",
|
| 29 |
|
|
"ADDRESS ERROR",
|
| 30 |
|
|
"ILLEGAL INSTRUCTION",
|
| 31 |
|
|
"DIVISION BY ZERO",
|
| 32 |
|
|
"CHK, CHK2",
|
| 33 |
|
|
"TRAPcc, TRAPv",
|
| 34 |
|
|
"PRIVILEGE VIOLATION",
|
| 35 |
|
|
"TRACE",
|
| 36 |
|
|
"LINE A EMULATOR",
|
| 37 |
|
|
"LINE F EMULATOR",
|
| 38 |
|
|
"HARDWARE BREAK",
|
| 39 |
|
|
"COPROCESSOR PROTOCOL VIOLATION",
|
| 40 |
|
|
"FORMAT ERROR",
|
| 41 |
|
|
"UNINITIALIZED INTERRUPT",
|
| 42 |
|
|
"RESERVED 16",
|
| 43 |
|
|
"RESERVED 17",
|
| 44 |
|
|
"RESERVED 18",
|
| 45 |
|
|
"RESERVED 19",
|
| 46 |
|
|
"RESERVED 20",
|
| 47 |
|
|
"RESERVED 21",
|
| 48 |
|
|
"RESERVED 22",
|
| 49 |
|
|
"RESERVED 23",
|
| 50 |
|
|
"SPURIOUS INTERRUPT",
|
| 51 |
|
|
"LEVEL 1 AUTOVECTOR",
|
| 52 |
|
|
"LEVEL 2 AUTOVECTOR",
|
| 53 |
|
|
"LEVEL 3 AUTOVECTOR",
|
| 54 |
|
|
"LEVEL 4 AUTOVECTOR",
|
| 55 |
|
|
"LEVEL 5 AUTOVECTOR",
|
| 56 |
|
|
"LEVEL 6 AUTOVECTOR",
|
| 57 |
|
|
"LEVEL 7 AUTOVECTOR",
|
| 58 |
|
|
"TRAP 1",
|
| 59 |
|
|
"TRAP 2",
|
| 60 |
|
|
"TRAP 3",
|
| 61 |
|
|
"TRAP 4",
|
| 62 |
|
|
"TRAP 5",
|
| 63 |
|
|
"TRAP 6",
|
| 64 |
|
|
"TRAP 7",
|
| 65 |
|
|
"TRAP 8",
|
| 66 |
|
|
"TRAP 9",
|
| 67 |
|
|
"TRAP 10",
|
| 68 |
|
|
"TRAP 11",
|
| 69 |
|
|
"TRAP 12",
|
| 70 |
|
|
"TRAP 13",
|
| 71 |
|
|
"TRAP 14",
|
| 72 |
|
|
"TRAP 15",
|
| 73 |
|
|
"VECTOR 48",
|
| 74 |
|
|
"VECTOR 49",
|
| 75 |
|
|
"VECTOR 50",
|
| 76 |
|
|
"VECTOR 51",
|
| 77 |
|
|
"VECTOR 52",
|
| 78 |
|
|
"VECTOR 53",
|
| 79 |
|
|
"VECTOR 54",
|
| 80 |
|
|
"VECTOR 55",
|
| 81 |
|
|
"VECTOR 56",
|
| 82 |
|
|
"VECTOR 57",
|
| 83 |
|
|
"VECTOR 58",
|
| 84 |
|
|
"VECTOR 59",
|
| 85 |
|
|
"VECTOR 60",
|
| 86 |
|
|
"VECTOR 61",
|
| 87 |
|
|
"VECTOR 62",
|
| 88 |
|
|
"VECTOR 63",
|
| 89 |
|
|
};
|
| 90 |
|
|
|
| 91 |
|
|
typedef struct {
|
| 92 |
|
|
unsigned long pc;
|
| 93 |
|
|
unsigned short sr;
|
| 94 |
|
|
unsigned short format_id;
|
| 95 |
|
|
unsigned long d0, d1, d2, d3, d4, d5, d6, d7;
|
| 96 |
|
|
unsigned long a0, a1, a2, a3, a4, a5, a6, a7;
|
| 97 |
|
|
unsigned long sfc, dfc, vbr;
|
| 98 |
|
|
} boot_panic_registers_t;
|
| 99 |
|
|
|
| 100 |
|
|
boot_panic_registers_t _boot_panic_registers;
|
| 101 |
|
|
|
| 102 |
|
|
extern void RAW_FMT( int minor, const char* fmt, ... );
|
| 103 |
|
|
extern char RAW_GETC(int minor);
|
| 104 |
|
|
|
| 105 |
|
|
/******************************************************
|
| 106 |
|
|
Name: _dbug_dump
|
| 107 |
|
|
Input parameters: sr, pc, stack pointer,
|
| 108 |
|
|
size to display
|
| 109 |
|
|
Output parameters: -
|
| 110 |
|
|
Description: display the supervisor stack
|
| 111 |
|
|
*****************************************************/
|
| 112 |
|
|
void _dbug_dump(unsigned short sr, void* pc, unsigned short *stack, int size)
|
| 113 |
|
|
{
|
| 114 |
|
|
int i;
|
| 115 |
|
|
|
| 116 |
|
|
RAW_FMT(0,"%x : %x \t%x",0,sr,(unsigned short)(((unsigned)pc)>>16));
|
| 117 |
|
|
for (i=2; i<size; i++) {
|
| 118 |
|
|
if ((i%8)==0) RAW_FMT(0,"\n%x :",i/8);
|
| 119 |
|
|
RAW_FMT(0," %x\t",stack[i-2]);
|
| 120 |
|
|
}
|
| 121 |
|
|
RAW_FMT(0,"\n");
|
| 122 |
|
|
}
|
| 123 |
|
|
|
| 124 |
|
|
/******************************************************
|
| 125 |
|
|
Name: _dbug_dump
|
| 126 |
|
|
Input parameters: -
|
| 127 |
|
|
Output parameters: -
|
| 128 |
|
|
Description: display microcontroler state. Registers
|
| 129 |
|
|
values are stored in _boot_panic_registers
|
| 130 |
|
|
which is filled in _uhoh ASM routine
|
| 131 |
|
|
*****************************************************/
|
| 132 |
|
|
void _dbug_dumpanic(void)
|
| 133 |
|
|
{
|
| 134 |
|
|
int c;
|
| 135 |
|
|
void *faultedAddr, *pc;
|
| 136 |
|
|
unsigned short vector, status;
|
| 137 |
|
|
unsigned char frametype, *stack;
|
| 138 |
|
|
#define ESCAPE 27
|
| 139 |
|
|
|
| 140 |
|
|
stack = (unsigned char*)(_boot_panic_registers.a7);
|
| 141 |
|
|
do {
|
| 142 |
|
|
status = _boot_panic_registers.sr;
|
| 143 |
|
|
pc = (void*)_boot_panic_registers.pc;
|
| 144 |
|
|
faultedAddr = *(void**)(stack+4);
|
| 145 |
|
|
vector = (_boot_panic_registers.format_id&0x0FFF)>>2;
|
| 146 |
|
|
frametype = (_boot_panic_registers.format_id&0xF000)>>12;
|
| 147 |
|
|
|
| 148 |
|
|
RAW_FMT(0,"\n---------------------------------------------\n");
|
| 149 |
|
|
if (vector<64)
|
| 150 |
|
|
RAW_FMT(0,"%s",exceptionName[vector]);
|
| 151 |
|
|
else {
|
| 152 |
|
|
RAW_FMT(0,"RESERVED USER");
|
| 153 |
|
|
}
|
| 154 |
|
|
RAW_FMT(0," exception (vector %x, type %x)\n",vector,frametype);
|
| 155 |
|
|
RAW_FMT(0,"---------------------------------------------\n");
|
| 156 |
|
|
RAW_FMT(0,"PC : 0x%x ",pc);
|
| 157 |
|
|
RAW_FMT(0,"A7 : 0x%x ",_boot_panic_registers.a7);
|
| 158 |
|
|
RAW_FMT(0,"SR : 0x%x\n",status);
|
| 159 |
|
|
if (frametype==0x0c) {
|
| 160 |
|
|
RAW_FMT(0,"\nfaulted address = 0x%x\n",faultedAddr);
|
| 161 |
|
|
}
|
| 162 |
|
|
RAW_FMT(0,"---------------------------------------------\n");
|
| 163 |
|
|
RAW_FMT(0," panic regs\n");
|
| 164 |
|
|
RAW_FMT(0,"---------------------------------------------\n");
|
| 165 |
|
|
RAW_FMT(0,"D[0..3] : %x \t%x \t%x \t%x\n",
|
| 166 |
|
|
_boot_panic_registers.d0,_boot_panic_registers.d1,
|
| 167 |
|
|
_boot_panic_registers.d2,_boot_panic_registers.d3);
|
| 168 |
|
|
RAW_FMT(0,"D[4..7] : %x \t%x \t%x \t%x\n",
|
| 169 |
|
|
_boot_panic_registers.d4,_boot_panic_registers.d5,
|
| 170 |
|
|
_boot_panic_registers.d6,_boot_panic_registers.d7);
|
| 171 |
|
|
RAW_FMT(0,"A[0..3] : %x \t%x \t%x \t%x\n",
|
| 172 |
|
|
_boot_panic_registers.a0,_boot_panic_registers.a1,
|
| 173 |
|
|
_boot_panic_registers.a2,_boot_panic_registers.a3);
|
| 174 |
|
|
RAW_FMT(0,"A[4..7] : %x \t%x \t%x \t%x\n",
|
| 175 |
|
|
_boot_panic_registers.a4,_boot_panic_registers.a5,
|
| 176 |
|
|
_boot_panic_registers.a6,_boot_panic_registers.a7);
|
| 177 |
|
|
|
| 178 |
|
|
RAW_FMT(0," SFC : %x",_boot_panic_registers.sfc);
|
| 179 |
|
|
RAW_FMT(0," DFC : %x\n",_boot_panic_registers.dfc);
|
| 180 |
|
|
RAW_FMT(0," VBR : %x\n",_boot_panic_registers.vbr);
|
| 181 |
|
|
RAW_FMT(0,"---------------------------------------------\n");
|
| 182 |
|
|
RAW_FMT(0," panic stack\n");
|
| 183 |
|
|
RAW_FMT(0,"---------------------------------------------\n");
|
| 184 |
|
|
_dbug_dump(status, pc, (unsigned short*)stack,64*2);
|
| 185 |
|
|
|
| 186 |
|
|
RAW_FMT(0,"---------------------------------------------\n");
|
| 187 |
|
|
RAW_FMT(0,"press escape to reboot\n");
|
| 188 |
|
|
} while ((c=RAW_GETC(0))!=ESCAPE); /* cgets ne marche pas si les IT sont bloquées */
|
| 189 |
|
|
}
|
| 190 |
|
|
|
| 191 |
|
|
|
| 192 |
|
|
|
