28 lines
630 B
C
28 lines
630 B
C
|
#include <stddef.h>
|
||
|
|
#include <stdint.h>
|
||
|
|
#include <drivers/uart.h>
|
||
|
|
#include <syscon/syscon.h>
|
||
|
|
|
||
|
|
void kpanic(const char *reason){
|
||
|
|
kprint(reason);
|
||
|
|
poweroff();
|
||
|
|
}
|
||
|
|
|
||
|
|
void kpanic_force() {
|
||
|
|
// 1. Immediate Output
|
||
|
|
kprint("\n!!! FORCE PANIC !!!\n");
|
||
|
|
|
||
|
|
// 2. Trigger a hardware breakpoint or illegal instruction
|
||
|
|
// This allows a debugger (GDB) to stop exactly here.
|
||
|
|
// 'ebreak' is the standard RISC-V way to trigger a debug trap.
|
||
|
|
__asm__ volatile("ebreak");
|
||
|
|
|
||
|
|
// 3. If no debugger is attached or we continue, kill the VM
|
||
|
|
poweroff();
|
||
|
|
|
||
|
|
// 4. Final halt
|
||
|
|
while(1) {
|
||
|
|
__asm__ volatile("wfi");
|
||
|
|
}
|
||
|
|
}
|