From 49bd4c133fc83de1cb1761ff089a2de03699d991 Mon Sep 17 00:00:00 2001
From: Christian Cunningham <cc@localhost>
Date: Thu, 24 Mar 2022 16:44:51 -0700
Subject: IRQ Subscription

---
 include/cpu/irq.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'include/cpu')

diff --git a/include/cpu/irq.h b/include/cpu/irq.h
index 1879707..c5e59bb 100644
--- a/include/cpu/irq.h
+++ b/include/cpu/irq.h
@@ -1,6 +1,19 @@
 #ifndef CPU_IRQ_H
 #define CPU_IRQ_H
 
+#define UART_IRQ 0
+#define SYS_TIMER_0_IRQ 1
+#define SYS_TIMER_1_IRQ 2
+#define SYS_TIMER_2_IRQ 3
+#define SYS_TIMER_3_IRQ 4
+#define LOCAL_TIMER_IRQ 5
+#define MAX_IRQS LOCAL_TIMER_IRQ+1
+
+struct IrqEntry {
+	void* handler;
+	void* handler_info;
+};
+
 static inline void enableirq(void)
 {
 	asm volatile("cpsie i");
@@ -20,5 +33,6 @@ static inline void disablefiq(void)
 
 unsigned long c_irq_handler(void);
 unsigned long c_fiq_handler(void);
+void subscribe_irq(unsigned long irq_num, void* handler, void* handler_info);
 
 #endif
-- 
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