rpi start. doesn't work

hw/mcu/broadcom/bcm2711/interrupts.c

@@ -0,0 +1,26 @@
+#include <stdbool.h>
+#include <stdint.h>
+
+void disable_async_interrupts(void) {
+    
+}
+
+void enable_async_interrupts(void) {
+    
+}
+
+void Default_Handler(void) {
+    while (true) {}
+}
+
+__attribute__((weak)) void handle_irq(void) {
+    unsigned int irq = *((volatile uint32_t*) 0x3F00B204);
+    switch (irq) {
+        // case (SYSTEM_TIMER_IRQ_1):
+        //     handle_timer_irq();
+        //     break;
+        default:
+            // printf("Unknown pending irq: %x\r\n", irq);
+            Default_Handler();
+    }
+}