| Line 60... |
Line 60... |
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Main interrupt handler */
|
/* Main interrupt handler */
|
void int_main(void) {
|
void int_main(void) {
|
unsigned long picsr = mfspr(SPR_PICSR); // process only the interrupts asserted at signal catch, ignore all during process
|
unsigned long picsr;
|
unsigned long i = 0;
|
unsigned long i;
|
|
|
|
// vPortDisableInterrupts();
|
|
picsr = mfspr(SPR_PICSR); // process only the interrupts asserted at signal catch, ignore all during process
|
|
i = 0;
|
while(i < 32) {
|
while(i < 32) {
|
if((picsr & (0x01L << i)) && (int_handlers[i].handler != 0)) {
|
if((picsr & (0x01L << i)) && (int_handlers[i].handler != 0)) {
|
(*int_handlers[i].handler)(int_handlers[i].arg);
|
(*int_handlers[i].handler)(int_handlers[i].arg);
|
}
|
}
|
i++;
|
i++;
|
}
|
}
|
|
|
mtspr(SPR_PICSR, 0); // clear interrupt status: all modules have level interrupts, which have to be cleared by software,
|
mtspr(SPR_PICSR, 0); // clear interrupt status: all modules have level interrupts, which have to be cleared by software,
|
} // thus this is safe, since non processed interrupts will get re-asserted soon enough
|
// thus this is safe, since non processed interrupts will get re-asserted soon enough
|
|
|
|
// vPortEnableInterrupts();
|
|
}
|
|
|
// Dummy or32 except vectors
|
// Dummy or32 except vectors
|
|
static void stall(void) {
|
|
while(1);
|
|
}
|
|
|
void buserr_except(void) {
|
void buserr_except(void) {
|
|
unsigned long epcr = mfspr(SPR_EPCR_BASE);
|
|
unsigned long eear = mfspr(SPR_EEAR_BASE);
|
|
|
uart_print_str("buserr_except\n\r");
|
uart_print_str("buserr_except\n\r");
|
|
uart_print_str("\n\r");
|
|
uart_print_int(epcr);
|
|
uart_print_str("\n\r");
|
|
uart_print_str("\n\r");
|
|
uart_print_int(eear);
|
|
uart_print_str("\n\r");
|
|
report(epcr);
|
|
report(eear);
|
|
stall();
|
}
|
}
|
|
|
void dpf_except(void) {
|
void dpf_except(void) {
|
uart_print_str("dpf_except\n\r");
|
uart_print_str("dpf_except\n\r");
|
}
|
}
|
| Line 87... |
Line 109... |
void ipf_except(void) {
|
void ipf_except(void) {
|
uart_print_str("ipf_except\n\r");
|
uart_print_str("ipf_except\n\r");
|
}
|
}
|
|
|
void align_except(void) {
|
void align_except(void) {
|
|
unsigned long epcr = mfspr(SPR_EPCR_BASE);
|
|
unsigned long eear = mfspr(SPR_EEAR_BASE);
|
|
|
uart_print_str("align_except\n\r");
|
uart_print_str("align_except\n\r");
|
|
uart_print_str("\n\r");
|
|
uart_print_int(epcr);
|
|
uart_print_str("\n\r");
|
|
uart_print_str("\n\r");
|
|
uart_print_int(eear);
|
|
uart_print_str("\n\r");
|
|
report(epcr);
|
|
report(eear);
|
|
stall();
|
}
|
}
|
|
|
void illegal_except(void) {
|
void illegal_except(void) {
|
uart_print_str("illegal_except\n\r");
|
uart_print_str("illegal_except\n\r");
|
}
|
}
|
