PROJECT RESTRUCTURING

Move the entire kernel into its own directory. Create new directories
for system commands, libraries and other required essentials for a
complete Unix-like operating system.

Signed-off-by: Danny Holman <dholman@gymli.org>

1 files changed, 21 insertions, 0 deletions

diff --git a/kernel/core/interrupt.c b/kernel/core/interrupt.c
new file mode 100644
index 0000000..6d9e69d
--- /dev/null
+++ b/kernel/core/interrupt.c
@@ -0,0 +1,21 @@
+#include <kernel/interrupt.h>
+#include <kernel/panic.h>
+#include <kernel/asm.h>
+
+static void (*isr_handlers[MAX_ISR])(struct isr_frame *frame);
+
+void register_isr_handler(unsigned int isr, void (*handler)(struct isr_frame *frame)) {
+        if (isr > MAX_ISR)
+                panic("Attempted to set non-existant interrupt vector");
+        isr_handlers[isr] = handler;
+}
+
+void clear_isr_handler(unsigned int isr) {
+        if (isr > MAX_ISR)
+                panic("Attempted to clear non-existant interrupt vector");
+        isr_handlers[isr] = NULL;
+}
+
+void isr_dispatch(struct isr_frame frame) {
+        (*isr_handlers[frame.isr_vector])(&frame);
+}