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improved runtime error handling

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This commit is contained in:
Bernd Herzog
2023-03-18 22:41:26 +01:00
parent ed1c2e1c03
commit b83f43793c
6 changed files with 75 additions and 28 deletions
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20
firmware/baseband/debug.cpp
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@@ -33,7 +33,8 @@ void write_m4_panic_msg(const char *panic_message, struct extctx *ctxp) {
}
else {
shared_memory.bb_data.data[0] = 1;
memcpy(&shared_memory.bb_data.data[4], ctxp, sizeof(struct extctx));
*((uint32_t *)&shared_memory.bb_data.data[4]) = SCB->CFSR;
memcpy(&shared_memory.bb_data.data[8], ctxp, sizeof(struct extctx));
}
for(size_t i=0; i<sizeof(shared_memory.m4_panic_msg); i++) {
@@ -54,6 +55,10 @@ void port_halt(void) {
dbg_panic_msg = "system halted";
write_m4_panic_msg(dbg_panic_msg, nullptr);
while (true) {
HALT_IF_DEBUGGING();
}
}
#endif
@@ -85,7 +90,6 @@ CH_IRQ_HANDLER(HardFaultVector) {
#if CH_DBG_ENABLED
regarm_t _saved_lr;
asm volatile ("mov %0, lr" : "=r" (_saved_lr) : : "memory");
CH_IRQ_PROLOGUE();
struct extctx *ctxp;
port_lock_from_isr();
@@ -95,12 +99,18 @@ CH_IRQ_HANDLER(HardFaultVector) {
else
ctxp = (struct extctx *)__get_MSP();
write_m4_panic_msg("Hard Fault", ctxp);
volatile uint32_t stack_space_left = get_free_stack_space();
if (stack_space_left < 16)
write_m4_panic_msg("Stack Overflow", ctxp);
else write_m4_panic_msg("Hard Fault", ctxp);
port_disable();
while (true);
CH_IRQ_EPILOGUE();
while (true) {
HALT_IF_DEBUGGING();
}
#else
chSysHalt();
#endif