Changeset 152 for trunk/hal/x86_64/core/hal_interrupt.c

Timestamp:

Jul 6, 2017, 3:47:20 PM (7 years ago)

Author:

max@…

Message:

add a basic RS232 COM1 implementation

File:

• trunk/hal/x86_64/core/hal_interrupt.c (modified) (2 diffs)

trunk/hal/x86_64/core/hal_interrupt.c

@@ -27 +27 @@
 
 #include <hal_kentry.h>
+#include <hal_apic.h>
 #include <hal_internal.h>
 
@@ -37 +38 @@
 {
         x86_printf("-> got timer: rip=%Z\n", tf->tf_rip);
+        hal_com_send('h');
+        return;
+}
+
+/* -------------------------------------------------------------------------- */
+
+/*
+ * Serial Port (COM1) interrupt
+ */
+void hal_com1_intr(struct trapframe *tf)
+{
+        char c = hal_com_read();
+
+        x86_printf("-> got com '%c'\n", c);
         return;
 }