50 lines
1.0 KiB
C
50 lines
1.0 KiB
C
#include <stdarg.h>
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#include <mango/machine/panic.h>
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#include <mango/libc/stdio.h>
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#include <mango/printk.h>
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#include <mango/sched.h>
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#include <mango/cpu.h>
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static int has_panicked = 0;
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void panic_irq(struct cpu_context *ctx, const char *fmt, ...)
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{
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char buf[512];
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va_list args;
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va_start(args, fmt);
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vsnprintf(buf, sizeof(buf), fmt, args);
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va_end(args);
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printk("---[ kernel panic: %s", buf);
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printk("kernel: " BUILD_ID ", compiler version: " __VERSION__);
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struct task *task = current_task();
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struct thread *thr = current_thread();
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if (task && thr) {
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printk("task: %s (id: %d, thread: %d)", task->t_name, task->t_id, thr->tr_id);
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} else {
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printk("task: [bootstrap]");
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}
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printk("cpu: %u", this_cpu());
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ml_print_cpu_state(ctx);
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if (READ_ONCE(has_panicked)) {
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ml_halt_cpu();
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}
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WRITE_ONCE(has_panicked, 1);
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if (ctx) {
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ml_print_stack_trace_irq(ctx);
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} else {
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uintptr_t ip = (uintptr_t)__builtin_return_address(0);
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ml_print_stack_trace(ip);
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}
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printk("---[ end kernel panic: %s", buf);
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ml_halt_cpu();
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}
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