Create arch_init function, enable interrupts

src/arch/8051/arch.c

@@ -0,0 +1,20 @@
+#include <8051.h>
+
+#include <arch/time.h>
+
+void external_0(void) __interrupt(0) {}
+// timer_0 is in time.c
+void external_1(void) __interrupt(2) {}
+void timer_1(void) __interrupt(3) {}
+void serial(void) __interrupt(4) {}
+void timer_2(void) __interrupt(5) {}
+
+void arch_init(void) {
+    // Disable interrupts
+    EA = 0;
+
+    time_init();
+
+    // Enable interrupts
+    EA = 1;
+}

src/arch/8051/include/arch/arch.h

@@ -0,0 +1,6 @@
+#ifndef _ARCH_ARCH_H
+#define _ARCH_ARCH_H
+
+void arch_init(void);
+
+#endif // _ARCH_ARCH_H

src/arch/8051/include/arch/time.h

@@ -1,6 +1,8 @@
 #ifndef _ARCH_TIME_H
 #define _ARCH_TIME_H
 
+#include <stdint.h>
+
 void time_init(void);
 uint32_t time_get(void);
 

src/arch/8051/time.c

@@ -1,7 +1,6 @@
 // Uses timer 0 to keep track of global time
 
 #include <8051.h>
-#include <stdint.h>
 
 #include <arch/time.h>
 
@@ -9,7 +8,7 @@ static volatile uint32_t time_overflows = 0;
 
 void timer_0(void) __interrupt(1) {
     time_overflows++;
-    
+
     // Restart timer
     TR0 = 0;
     TF0 = 0;