20 lines
508 B
C
20 lines
508 B
C
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#include <stdint.h>
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#include <stddef.h>
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#include <drivers/uart.h>
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#include <syscon/syscon.h>
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void handle_trap() {
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kprint("\n!!! HARDWARE EXCEPTION DETECTED !!!\n");
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// Read the 'mcause' register to see WHY we trapped
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unsigned long cause;
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__asm__ volatile("csrr %0, mcause" : "=r"(cause));
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if (cause == 3) { // 3 is the code for 'breakpoint' (ebreak)
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kprint("Reason: ebreak (Breakpoint)\n");
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} else {
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kprint("Reason: Other Exception\n");
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}
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poweroff();
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}
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