feat: Eliminate all stubs; implement real RTL8139 physical DMA ping, dmesg ring buffer, live scheduler thread list, and physical RAM stats

servers/procmgr/main.cpp

@@ -10,22 +10,6 @@
 #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 (Ring 3).");
 
@@ -61,7 +45,13 @@ extern "C" void _start() {
                 reply_val0 = rax; // 0 = success, -1 = error
                 reply_val1 = 0;
             } else if (opcode == PROC_OP_LIST) {
-                reply_val0 = (uint64_t)proc_count;
+                // Query real thread count from kernel
+                thread_info_t list[16];
+                register uint64_t rax __asm__("rax") = SYS_PROC_LIST;
+                register uint64_t rdi __asm__("rdi") = (uint64_t)list;
+                register uint64_t rsi __asm__("rsi") = 16;
+                __asm__ volatile("syscall" : "+r"(rax) : "r"(rdi), "r"(rsi) : "rcx", "r11", "memory");
+                reply_val0 = (rax > 0) ? rax : 0;
                 reply_val1 = 0;
             } else {
                 reply_val0 = 0;