feat: `ne_launch` and `LaunchHelpers.fwrk`: PID zero of NeKernel.

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>

4 files changed, 22 insertions, 3 deletions

diff --git a/dev/libDDK/DriverKit/cpp/object.hpp b/dev/libDDK/DriverKit/cpp/object.hpp
new file mode 100644
index 00000000..3bf52657
--- /dev/null
+++ b/dev/libDDK/DriverKit/cpp/object.hpp
@@ -0,0 +1,16 @@
+/* -------------------------------------------
+
+   Copyright Amlal El Mahrouss 2025, all rights reserved.
+
+   FILE: ddk.h
+   PURPOSE: DDK Driver model base header.
+
+   ------------------------------------------- */
+
+#pragma once
+
+#include <DriverKit/macros.h>
+
+#define DK_INTERFACE_IMPL : public ::DKInterface
+
+class DKInterface;
diff --git a/dev/libDDK/DriverKit/ddk.h b/dev/libDDK/DriverKit/ddk.h
index 254137f9..2e2dddf0 100644
--- a/dev/libDDK/DriverKit/ddk.h
+++ b/dev/libDDK/DriverKit/ddk.h
@@ -1,6 +1,6 @@
 /* -------------------------------------------
 
-  Copyright Amlal El Mahrouss.
+  Copyright Amlal El Mahrouss 2025, all rights reserved.
 
   FILE: ddk.h
   PURPOSE: DDK Driver model base header.
@@ -29,6 +29,8 @@ struct DDK_STATUS_STRUCT DDK_FINAL {
   struct DDK_OBJECT_MANIFEST* s_object;
 };
 
+typedef void* ptr_t;
+
 /// @brief Call Kernel procedure.
 /// @param name the procedure name.
 /// @param cnt number of elements in **dat**
diff --git a/dev/libDDK/src/ddk_kernel_call.c b/dev/libDDK/src/ddk_kernel_call.c
index 1ac0a0aa..61742b7b 100644
--- a/dev/libDDK/src/ddk_kernel_call.c
+++ b/dev/libDDK/src/ddk_kernel_call.c
@@ -12,7 +12,7 @@
 #include <stdarg.h>
 
 /// @brief this is an internal call, do not use it.
-DDK_EXTERN ATTRIBUTE(naked) void* __ke_call_dispatch(const int32_t name, int32_t cnt, void* data,
+DDK_EXTERN ATTRIBUTE(naked) ptr_t __ke_call_dispatch(const int32_t name, int32_t cnt, void* data,
                                                      size_t sz);
 /// @brief This function hashes the path into a FNV symbol.
 /// @param path the path to hash.
diff --git a/dev/libDDK/src/ddk_kernel_call_dispatch.S b/dev/libDDK/src/ddk_kernel_call_dispatch.S
index 7b7a26cb..a607fe40 100644
--- a/dev/libDDK/src/ddk_kernel_call_dispatch.S
+++ b/dev/libDDK/src/ddk_kernel_call_dispatch.S
@@ -21,10 +21,11 @@ __ke_call_dispatch:
     push rbp
     mov rbp, rsp
 
+  /* registers have already been pushed. */
+
     int kKernelCallTrapId
 
     pop rbp
-
     ret
 
 #elif defined(__DDK_POWER64__)