2 files changed, 37 insertions, 0 deletions
diff --git a/kernel/features/event.c b/kernel/features/event.c
new file mode 100644
index 0000000..e91dcab
--- /dev/null
+++ b/kernel/features/event.c
@@ -0,0 +1,32 @@
+// MIT License, Copyright (c) 2020 Marvin Borner
+
+#include <assert.h>
+#include <def.h>
+#include <sys.h>
+
+u32 (*event_table[])() = { [EVENT_KEYBOARD] = NULL, [EVENT_MOUSE] = NULL };
+
+u32 event_map(enum event id, u32 (*function)())
+{
+	printf("%x to %x\n", id, function);
+	if (id >= sizeof(event_table) / sizeof(*event_table))
+		return -1;
+
+	event_table[id] = function;
+	return 0;
+}
+
+u32 event_trigger(enum event id, u32 *data)
+{
+	assert(id < sizeof(event_table) / sizeof(*event_table));
+
+	u32 (*location)(u32 *) = event_table[id];
+	if (!location) {
+		printf("Event %d not mapped!\n", id);
+		return -1;
+	}
+
+	// TODO: Execute event function in ring3 with process stack, ...
+	location(data);
+	return 0;
+}
diff --git a/kernel/features/syscall.c b/kernel/features/syscall.c
index e6bcb83..2f2cbbb 100644
--- a/kernel/features/syscall.c
+++ b/kernel/features/syscall.c
@@ -1,6 +1,7 @@
 // MIT License, Copyright (c) 2020 Marvin Borner
 
 #include <cpu.h>
+#include <event.h>
 #include <fs.h>
 #include <interrupts.h>
 #include <load.h>
@@ -50,6 +51,10 @@ void syscall_handler(struct regs *r)
 		proc_exit();
 		break;
 	}
+	case SYS_MAP: {
+		event_map(r->ebx, (u32(*)())r->ecx);
+		break;
+	}
 	default: {
 		printf("Unknown syscall!\n");
 		loop();