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 +1,29 @@
+#ifndef UTSM_PCKC_H
+#define UTSM_PCKC_H
+
+#include <utsm/types.h>
+#include <utsm/config.h>
+#include <utsm/uuid.h>
+#include <utsm/crypto.h>
+
+struct utsm_segment_desc;
+
+typedef struct {
+    bool valid;
+    u32 segment_slot;
+    u64 key_epoch;
+    utsm_key_material key;
+} utsm_pckc_entry;
+
+typedef struct {
+    uuid128_t current_process_uuid;
+    utsm_pckc_entry entries[UTSM_MAX_PCKC_KEYS];
+    u64 hit_count;
+    u64 miss_count;
+    u32 next_replace;
+} utsm_pckc;
+
+void utsm_pckc_init(void);
+int utsm_pckc_get_or_derive(u32 segment_slot, struct utsm_segment_desc *desc, utsm_key_material *out_key);
+
+#endif