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 +1,20 @@
+#ifndef UTSM_DIRTY_H
+#define UTSM_DIRTY_H
+
+#include <utsm/types.h>
+
+typedef struct {
+    u32 dirty_count;
+    u32 shard_id;
+    u64 page_base;
+    u64 page_count;
+    u64 last_checkpoint_epoch;
+    u64 *bitmap;
+} utsm_dirty_shard;
+
+struct utsm_segment_desc;
+
+void utsm_dirty_init(struct utsm_segment_desc *desc, u64 page_count);
+void utsm_mark_dirty(struct utsm_segment_desc *desc, u64 offset, u64 len);
+
+#endif