implement proper IRQL, DPCs, kernel and user APCs, alertable waits, async file I/O with cancellation, trap frames, selftests, a real driver/device model, native async FAT32, VFAT dotfile fixes, syscall ABI cleanup, async_apc and async_cancel tests, POSIX multi-volume paths, and pimp the readme.

code/doom/doom.c

@@ -24,28 +24,19 @@ static void doom_print_wrapper(const char* msg)
 
 // ---------------------------------------------------------------------------
 // doom_malloc_fn / doom_free_fn
-// Prepend size tracking metadata to satisfy SysFree's size requirement.
 // ---------------------------------------------------------------------------
 static void* doom_malloc_wrapper(int size)
 {
-    size_t total_size = size + sizeof(size_t);
-    void* p = SysAlloc(total_size);
+    void* p = SysAlloc(size);
     if (!p) SysExitProcess(1);
-    
-    // Store total allocated size at the start of the block
-    *(size_t*)p = total_size;
-    
-    // Return pointer past the size prefix
-    return (void*)((size_t*)p + 1);
+    return p;
 }
 
 static void doom_free_wrapper(void* ptr)
 {
     if (!ptr) return;
-    
-    size_t* real_p = (size_t*)ptr - 1;
-    size_t total_size = *real_p;
-    SysFree(real_p, total_size);
+
+    SysFree(ptr);
 }
 
 // ---------------------------------------------------------------------------
@@ -314,7 +305,7 @@ static int build_argv_from_command_line(const char* cmdline, char* storage, size
 // ---------------------------------------------------------------------------
 int main(void)
 {
-    const char* cmdline = SysGetCommandLine();
+    const char* cmdline = SysGetPeb()->CommandLine;
 
     SysWriteConsole("doom: starting\n", 15);