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 +1,26 @@
+#ifndef UTSM_DMP_H
+#define UTSM_DMP_H
+
+#include <utsm/types.h>
+
+typedef struct {
+    u64 magic;
+    u32 version;
+    u32 segment_slot;
+    u64 fast_base;
+    u64 fast_limit;
+    u64 fast_tweak_seed;
+    u64 fast_key_epoch;
+    u64 dirty_bitmap_base;
+    u64 mac_table_base;
+    u64 last_writer_seq;
+    u32 last_cpu;
+    u32 flags;
+    u64 crc;
+} utsm_dmp;
+
+struct utsm_segment_desc;
+
+void utsm_dmp_init(utsm_dmp *dmp, struct utsm_segment_desc *desc, u32 slot);
+
+#endif