feat: Add Process Manager, Limine Framebuffer GUI, RTL8139 Net stack, and extended UNIX commands

2026-09-02 20:10:02 +03:00
parent 521f7ed9ce
commit aa32cffd15
24 changed files with 1446 additions and 72 deletions
@@ -1,10 +1,75 @@
 #include "ipc.hpp"
 #include "stdio.h"
+#include "string.h"
+#include "abi/syscalls.h"
+
+#define PROCMGR_ENDPOINT 4
+
+#define PROC_OP_LIST    1
+#define PROC_OP_KILL    2
+#define PROC_OP_SPAWN   3
+#define PROC_OP_STAT    4
+
+struct ProcessInfo {
+    uint64_t pid;
+    char name[32];
+    uint32_t state; // 0=Running, 1=Sleeping, 2=Dead
+    uint64_t mem_bytes;
+};
+
+static __attribute__((unused)) ProcessInfo proc_table[8] = {
+    { 0, "kernel_idle", 0, 4096 },
+    { 1, "init_server", 0, 65536 },
+    { 2, "uart_driver", 1, 65536 },
+    { 3, "sh",          0, 131072 },
+    { 4, "procmgr",     0, 65536 },
+};
+static size_t proc_count = 5;

 extern "C" void _start() {
-    puts("[PROCMGR] Process & Server Manager Daemon Initialized.");
+    puts("[PROCMGR] Process & Server Manager Daemon Initialized (Ring 3).");
+
+    uint64_t last_client = 0;
+    uint64_t reply_val0 = 0;
+    uint64_t reply_val1 = 0;

    while (true) {
-        sys_yield();
+        uint64_t sender_tid = 0;
+        uint64_t opcode = 0;
+        uint64_t arg0 = 0;
+        uint64_t arg1 = 0;
+
+        sysret_t ret = sys_ipc_reply_recv_raw(
+            PROCMGR_ENDPOINT,
+            last_client,
+            reply_val0,
+            reply_val1,
+            &sender_tid,
+            &opcode,
+            &arg0,
+            &arg1
+        );
+
+        if (ret == 0 && sender_tid != 0) {
+            last_client = sender_tid;
+
+            if (opcode == PROC_OP_KILL) {
+                // Terminate process with TID = arg0
+                register uint64_t rax __asm__("rax") = SYS_PROC_KILL;
+                register uint64_t rdi __asm__("rdi") = arg0;
+                __asm__ volatile("syscall" : "+r"(rax) : "r"(rdi) : "rcx", "r11", "memory");
+                reply_val0 = rax; // 0 = success, -1 = error
+                reply_val1 = 0;
+            } else if (opcode == PROC_OP_LIST) {
+                reply_val0 = (uint64_t)proc_count;
+                reply_val1 = 0;
+            } else {
+                reply_val0 = 0;
+                reply_val1 = 0;
+            }
+        } else {
+            last_client = 0;
+            sys_yield();
+        }
    }
 }