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 +1,13 @@
+#ifndef UTSM_ARENA_H
+#define UTSM_ARENA_H
+
+#include <utsm/types.h>
+
+void arena_init(void);
+void *kmem_alloc(u64 size);
+void *kmem_alloc_aligned(u64 size, u64 alignment);
+void *kmem_alloc_page(u64 page_count);
+u64 kmem_arena_virtual_base(void);
+u64 kmem_arena_virtual_end(void);
+
+#endif