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 +1,22 @@
+#ifndef UTSM_UUID_H
+#define UTSM_UUID_H
+
+#include <utsm/types.h>
+
+typedef struct {
+    u64 hi;
+    u64 lo;
+} uuid128_t;
+
+static inline uuid128_t uuid_make_test(u64 seed) {
+    uuid128_t id;
+    id.hi = 0x5554534d00000000ULL ^ (seed * 0x9e3779b97f4a7c15ULL);
+    id.lo = 0x4453484200000000ULL ^ (seed + 0xd1b54a32d192ed03ULL);
+    return id;
+}
+
+static inline bool uuid_equal(uuid128_t a, uuid128_t b) {
+    return a.hi == b.hi && a.lo == b.lo;
+}
+
+#endif