2024-12-20 22:45:12 +00:00
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#include <exception_handler.h>
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2024-12-23 00:46:17 +00:00
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#include <log.h>
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#include <synchronize.h>
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static const char *names[] = {"Unexpected exception", "Synchronous exception",
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"System error"};
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2024-12-20 22:45:12 +00:00
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void gilbraltar_exception_handler(uint64_t exn, struct frame *frame) {
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2024-12-23 00:46:17 +00:00
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enable_fiqs();
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uint64_t sp = frame->sp_el0;
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if ((frame->spsr_el1 & 0xf) == 0x05)
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sp = frame->sp_el1;
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uint64_t ec = (frame->esr_el1 >> 26) & 0x3f;
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uint64_t iss = frame->esr_el1 & 0x1ffffff;
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uint64_t far = 0;
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if ((0x20 <= ec && ec <= 0x25) || (0x34 <= ec && ec <= 0x35))
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far = frame->far_el1;
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gilbraltar_log(ERROR,
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"%s (pc: 0x%lx, ec: 0x%lx, iss: 0x%lx, far: 0x%lx, sp: 0x%lx, "
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"lr: 0x%lx, spsr: 0x%lx)\r\n",
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names[exn], frame->elr_el1, ec, iss, far, sp, frame->x30,
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frame->spsr_el1);
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2024-12-20 22:45:12 +00:00
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while (1)
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__asm__ __volatile("wfi");
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}
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