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 +1,47 @@
+#include <utsm/dkm.h>
+
+static const char *const console_early_provides[] = {
+    "console",
+    "early-log"
+};
+
+static const dkm_driver_desc console_early_desc = {
+    .magic = DKM_DRIVER_MAGIC,
+    .abi_version = DKM_ABI_VERSION,
+    .desc_size = sizeof(dkm_driver_desc),
+    .name = "console_early",
+    .version = "0.1.0",
+    .vendor = "Deshab",
+    .driver_class = DKM_CLASS_CONSOLE,
+    .stage = 0,
+    .flags = DKM_F_REQUIRED | DKM_F_BOOT_MODULE | DKM_F_NO_UNLOAD | DKM_F_EARLY_LOG,
+    .priority = 0,
+    .depends = 0,
+    .depends_count = 0,
+    .provides = console_early_provides,
+    .provides_count = 2,
+    .min_kernel_abi = DKM_KERNEL_API_VERSION,
+    .feature_bits = 0,
+    .reserved0 = 0,
+    .reserved1 = 0
+};
+
+static int console_early_init(const dkm_kernel_api *api, dkm_driver_handle *handle) {
+    (void)handle;
+    if (!api || !api->log || !api->log->info) {
+        return -1;
+    }
+    api->log->info("[DKM:console_early] serial console online");
+    return 0;
+}
+
+static int console_early_exit(dkm_driver_handle *handle) {
+    (void)handle;
+    return 0;
+}
+
+const dkm_builtin_driver dkm_builtin_console_early = {
+    .desc = &console_early_desc,
+    .init = console_early_init,
+    .exit = console_early_exit
+};