Record networking and DMA development progress

Add the current OS source tree, build scripts, system image layout, and development notes covering DMA page allocation, e1000 bring-up, net API dispatch, and DHCP work in progress.
2026-07-02 16:17:09 +08:00
parent fbc14631e3
commit f1a2a110d7
182 changed files with 16472 additions and 0 deletions
@@ -0,0 +1,12 @@
+#ifndef UTSM_IDT_H
+#define UTSM_IDT_H
+
+#include <utsm/types.h>
+
+void idt_init(void);
+
+/* IRQ handler: return 1 to suppress default ACK, 0 for normal EOI */
+typedef int (*irq_handler_t)(u8 irq);
+int irq_register(u8 irq, irq_handler_t handler);
+
+#endif