update, may not work now

1 files changed, 31 insertions, 1 deletions

diff --git a/interrupts.c b/interrupts.c
index 191ce40..712cfb9 100644
--- a/interrupts.c
+++ b/interrupts.c
@@ -1,4 +1,5 @@
 #include "uart.h"
+#include "interrupts.h"
 /**
     @brief The undefined instruction interrupt handler
 
@@ -22,5 +23,34 @@ __attribute__((interrupt("ABORT")))
 __attribute__((section(".interrupt_vectors.text")))
 abort_handler(void)
 {
-  system_reentry_point();
+    uart_puts("nwm\r\n");
+
+    system_reentry_point();
+}
+
+/* Here is your interrupt function */
+void
+__attribute__((interrupt("IRQ")))
+__attribute__((section(".interrupt_vectors.text")))
+irq_handler(void) {
+    /* You code goes here */
+    uart_puts("GOT INTERRUPT!\r\n");
+
+    local_timer_clr_reload_reg_t temp = { .IntClear = 1, .Reload = 1 };
+    QA7->TimerClearReload  = temp;									// Clear interrupt & reload
 }
+
+/* here is your main */
+int enable_timer(void) {
+
+    QA7->TimerRouting.Routing = LOCALTIMER_TO_CORE0_IRQ;			// Route local timer IRQ to Core0
+    QA7->TimerControlStatus.ReloadValue = 100;						// Timer period set
+    QA7->TimerControlStatus.TimerEnable = 1;						// Timer enabled
+    QA7->TimerControlStatus.IntEnable = 1;							// Timer IRQ enabled
+    QA7->TimerClearReload.IntClear = 1;								// Clear interrupt
+    QA7->TimerClearReload.Reload = 1;								// Reload now
+    QA7->Core0TimerIntControl.nCNTPNSIRQ_IRQ = 1;					// We are in NS EL1 so enable IRQ to core0 that level
+    QA7->Core0TimerIntControl.nCNTPNSIRQ_FIQ = 0;					// Make sure FIQ is zero
+    uart_puts("Enabled Timer\r\n");
+    return(0);
+}
\ No newline at end of file