Function HandleException

src/arch/aarch64/interrupt_main.cpp:25–46

* @brief 通用异常处理辅助函数 * @param exception_msg 异常类型描述 * @param context 中断上下文 * @param print_regs 要打印的寄存器数量 (0, 4, 或 8) */

 * @param print_regs 要打印的寄存器数量 (0, 4, 或 8)
 */
auto HandleException(const char* exception_msg, cpu_io::TrapContext* context,
                     int print_regs = 0) -> void {
  klog::Err("{}", exception_msg);
  klog::Err(
      "  ESR_EL1: {:#X}, ELR_EL1: {:#X}, SP_EL0: {:#X}, SP_EL1: {:#X}, "
      "SPSR_EL1: {:#X}",
      context->esr_el1, context->elr_el1, context->sp_el0, context->sp_el1,
      context->spsr_el1);

  if (print_regs == 4) {
    klog::Err("  x0-x3: {:#X} {:#X} {:#X} {:#X}", context->x0, context->x1,
              context->x2, context->x3);
  } else if (print_regs == 8) {
    klog::Err("  x0-x7: {:#X} {:#X} {:#X} {:#X} {:#X} {:#X} {:#X} {:#X}",
              context->x0, context->x1, context->x2, context->x3, context->x4,
              context->x5, context->x6, context->x7);
  }

  while (true) {
    cpu_io::Pause();
  }
}
}  // namespace

/// 异常向量表入口