parallel compile, SMP, swapgs, cleanup, remove useless Reserved fields

code/user/apps/shell_native/shell_native.c

@@ -5,6 +5,10 @@
 #include <ntlite/syscall.h>
 
 #define MAX_CMD 256
+#define MAX_PIDS 64  // Maximum number of PIDs we will fetch at once
+
+// External Syscall Prototypes
+uint32_t SysGetProcessList(uint32_t* pidsOut, size_t maxCount, size_t* countOut);
 
 // ---------------------------------------------------------------------------
 // Output helpers
@@ -91,6 +95,7 @@ static void cmd_help() {
     print("Available commands:\n"
           "  help              - Show this list\n"
           "  mem               - Show memory usage\n"
+          "  ps                - List running process IDs\n"
           "  dir [path]        - List directory contents\n"
           "  cd <path>         - Change directory\n"
           "  type <file>       - Display file contents\n"
@@ -122,6 +127,34 @@ static void cmd_mem(void) {
     print("\n");
 }
 
+static void cmd_ps(void) {
+    uint32_t pids[MAX_PIDS];
+    size_t count = 0;
+    
+    uint32_t status = SysGetProcessList(pids, MAX_PIDS, &count);
+    if (status != 0) {
+        print("ps: failed to retrieve process list\n");
+        return;
+    }
+
+    print("Running Processes (Count: ");
+    printUInt((uint32_t)count);
+    print("):\n");
+    
+    size_t displayCount = count < MAX_PIDS ? count : MAX_PIDS;
+    for (size_t i = 0; i < displayCount; i++) {
+        print("  PID: ");
+        printUInt(pids[i]);
+        print("\n");
+    }
+
+    if (count > MAX_PIDS) {
+        print("  ... and ");
+        printUInt((uint32_t)(count - MAX_PIDS));
+        print(" more processes.\n");
+    }
+}
+
 static void cmd_write(const char* args) {
     char filename[MAX_CMD]; int i = 0;
     while (args[i] != ' ' && args[i] != '\0' && i < MAX_CMD - 1) {
@@ -247,6 +280,7 @@ static int runCommand(const char* cmd) {
         }
     }
     if (strcmp(cmd, "mem") == 0) { cmd_mem(); return 0; }
+    if (strcmp(cmd, "ps") == 0) { cmd_ps(); return 0; }
     if (strcmp(cmd, "dir") == 0) { cmd_dir("."); return 0; }
     if (strncmp(cmd, "dir ", 4) == 0) { cmd_dir(cmd + 4); return 0; }
     if (strncmp(cmd, "cd ", 3) == 0) { if (set_cwd(cmd + 3) != 0) print("cd: failed\n"); return 0; }