feat: initial scalable x86_64 microkernel skeleton with Limine, Rust, C HAL, and C++20 IPC

servers/init/main.cpp

@@ -0,0 +1,32 @@
+#include "ipc.hpp"
+#include "stdio.h"
+#include "string.h"
+
+extern "C" void _start() {
+    puts("[INIT-SERVER] Userspace Root Init Server Started (Ring 3)!");
+
+    // 1. Instantiate RAII IPC Endpoint for Kernel Control
+    ipc::Endpoint kernel_ctrl(CAP_SELF_TASK);
+
+    puts("[INIT-SERVER] Sending Fast-Path IPC Ping to Microkernel...");
+    auto ping_res = kernel_ctrl.call(IPC_OP_PING, 100);
+
+    if (ping_res.is_ok()) {
+        puts("[INIT-SERVER] Received IPC Ping Response from Microkernel!");
+    } else {
+        puts("[INIT-SERVER] IPC Call Failed!");
+    }
+
+    // 2. Register Server Endpoint
+    puts("[INIT-SERVER] Registering Root Server Capability...");
+    auto reg_res = kernel_ctrl.call(IPC_OP_REGISTER_SERVER, 0x1337BEEF);
+    if (reg_res.is_ok()) {
+        puts("[INIT-SERVER] Server Registered Successfully!");
+    }
+
+    puts("[INIT-SERVER] Root Init Server ready. Entering event loop.");
+
+    while (true) {
+        sys_yield();
+    }
+}

servers/procmgr/main.cpp

@@ -0,0 +1,10 @@
+#include "ipc.hpp"
+#include "stdio.h"
+
+extern "C" void _start() {
+    puts("[PROCMGR] Process & Server Manager Daemon Initialized.");
+
+    while (true) {
+        sys_yield();
+    }
+}

servers/uart_driver/main.c

@@ -0,0 +1,17 @@
+#include "uart.h"
+#include "stdio.h"
+#include "abi/syscalls.h"
+
+extern void _start(void) {
+    uart_init(UART_COM1_PORT, 115200);
+    uart_puts(UART_COM1_PORT, "[RING3-UART-DRIVER] 16550 UART COM1 initialized from userspace!\n");
+
+    while (1) {
+        if (uart_has_data(UART_COM1_PORT)) {
+            char c = uart_getc(UART_COM1_PORT);
+            // Echo back
+            uart_putc(UART_COM1_PORT, c);
+        }
+        sys_yield();
+    }
+}