feat! ddk -> libDDK, use syscall on AMD64.

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

6 files changed, 209 insertions, 0 deletions

diff --git a/dev/libDDK/DriverKit/ddk.h b/dev/libDDK/DriverKit/ddk.h
new file mode 100644
index 00000000..254137f9
--- /dev/null
+++ b/dev/libDDK/DriverKit/ddk.h
@@ -0,0 +1,74 @@
+/* -------------------------------------------
+
+  Copyright Amlal El Mahrouss.
+
+  FILE: ddk.h
+  PURPOSE: DDK Driver model base header.
+
+------------------------------------------- */
+
+#pragma once
+
+#include <DriverKit/macros.h>
+
+struct DDK_STATUS_STRUCT;
+struct DDK_OBJECT_MANIFEST;
+
+/// \brief Object handle manifest.
+struct DDK_OBJECT_MANIFEST DDK_FINAL {
+  char*   p_name;
+  int32_t p_kind;
+  void*   p_object;
+};
+
+/// \brief DDK status ping structure.
+struct DDK_STATUS_STRUCT DDK_FINAL {
+  int32_t                     s_action_id;
+  int32_t                     s_issuer_id;
+  int32_t                     s_group_id;
+  struct DDK_OBJECT_MANIFEST* s_object;
+};
+
+/// @brief Call Kernel procedure.
+/// @param name the procedure name.
+/// @param cnt number of elements in **dat**
+/// @param dat data argument pointer.
+/// @param sz sz of whole data argument pointer.
+/// @return result of call
+DDK_EXTERN void* ke_call_dispatch(const char* name, int32_t cnt, void* dat, size_t sz);
+
+/// @brief add a system call.
+/// @param slot system call slot id.
+/// @param slotFn, syscall slot.
+DDK_EXTERN void ke_set_syscall(const int32_t slot, void (*slotFn)(void* a0));
+
+/// @brief Allocates an heap ptr.
+/// @param sz size of the allocated struct/type.
+/// @return the pointer allocated or **nil**.
+DDK_EXTERN void* kalloc(size_t sz);
+
+/// @brief Frees an heap ptr.
+/// @param pointer kernel pointer to free.
+DDK_EXTERN void kfree(void* the_ptr);
+
+/// @brief Gets a Kernel object.
+/// @param slot object id (can be 0)
+/// @param name the property's name.
+/// @return DDK_OBJECT_MANIFEST.
+DDK_EXTERN struct DDK_OBJECT_MANIFEST* ke_get_obj(const int slot, const char* name);
+
+/// @brief Set a Kernel object.
+/// @param slot object id (can be 0)
+/// @param name the property's name.
+/// @param ddk_pr pointer to a object's DDK_OBJECT_MANIFEST.
+/// @return returned object.
+DDK_EXTERN void* ke_set_obj(const int32_t slot, const struct DDK_OBJECT_MANIFEST* ddk_pr);
+
+/// @brief The highest API version of the DDK.
+DDK_EXTERN uint32_t kApiVersionHighest;
+
+/// @brief The lowest API version of the DDK.
+DDK_EXTERN uint32_t kApiVersionLowest;
+
+/// @brief API version in BCD.
+DDK_EXTERN uint32_t kApiVersion;
diff --git a/dev/libDDK/DriverKit/dev.h b/dev/libDDK/DriverKit/dev.h
new file mode 100644
index 00000000..adb1c1d0
--- /dev/null
+++ b/dev/libDDK/DriverKit/dev.h
@@ -0,0 +1,36 @@
+/* -------------------------------------------
+
+  Copyright Amlal El Mahrouss.
+
+  File: dev.h
+  Purpose: DDK device support.
+
+------------------------------------------- */
+
+#pragma once
+
+#include <DriverKit/ddk.h>
+
+struct _DDK_DEVICE;
+
+#define DDK_DEVICE_NAME_LEN (255)
+
+/// @brief Kernel Device driver.
+typedef struct _DDK_DEVICE DDK_FINAL {
+  char d_name[DDK_DEVICE_NAME_LEN];     // the device name. Could be /./DEVICE_NAME/
+  void* (*d_read)(void* arg, int len);  // read from device.
+  void (*d_write)(void* arg, int len);
+  void (*d_wait)(void);                             // write to device.
+  struct _DDK_DEVICE* (*d_open)(const char* path);  // open device.
+  void (*d_close)(struct _DDK_DEVICE* dev);         // close device.
+  void (*d_seek)(struct _DDK_DEVICE* dev, size_t off);
+  size_t (*d_tell)(struct _DDK_DEVICE* dev);
+} DDK_DEVICE, *DDK_DEVICE_PTR;
+
+/// @brief Open a new device from path.
+/// @param path the device's path.
+DDK_EXTERN DDK_DEVICE_PTR open(const char* path);
+
+/// @brief Close any device.
+/// @param device valid device.
+DDK_EXTERN BOOL close(DDK_DEVICE_PTR device);
diff --git a/dev/libDDK/DriverKit/io.h b/dev/libDDK/DriverKit/io.h
new file mode 100644
index 00000000..805696e6
--- /dev/null
+++ b/dev/libDDK/DriverKit/io.h
@@ -0,0 +1,18 @@
+/* -------------------------------------------
+
+  Copyright Amlal El Mahrouss.
+
+  Purpose: DDK Text I/O.
+
+------------------------------------------- */
+
+#pragma once
+
+#include <DriverKit/str.h>
+
+/// @brief print character into UART.
+DDK_EXTERN void kputc(const char ch);
+
+/// @brief print string to UART.
+/// @param message string to transmit to UART.
+DDK_EXTERN void kprint(const char* message);
diff --git a/dev/libDDK/DriverKit/macros.h b/dev/libDDK/DriverKit/macros.h
new file mode 100644
index 00000000..9b7b3d50
--- /dev/null
+++ b/dev/libDDK/DriverKit/macros.h
@@ -0,0 +1,48 @@
+/* -------------------------------------------
+
+  Copyright 2025 Amlal El Mahrouss.
+
+  FILE: ddk.h
+  PURPOSE: DDK Driver model base header.
+
+------------------------------------------- */
+
+#pragma once
+
+#include <stddef.h>
+#include <stdint.h>
+
+#if defined(__cplusplus)
+#define BOOL bool
+#define YES true
+#define NO false
+#define DDK_EXTERN extern "C" __declspec(dllexport)
+#define nil nullptr
+#undef NULL
+#define NULL 0
+#define DDK_FINAL final
+#else
+#define BOOL char
+#define YES 1
+#define NO 0
+#define DDK_EXTERN extern __declspec(dllexport)
+#define nil ((void*) 0)
+#undef NULL
+#define NULL ((void*) 0)
+#define DDK_FINAL
+#endif  // defined(__cplusplus)
+
+#ifndef __DDK__
+#undef DDK_EXTERN
+#if defined(__cplusplus)
+#define DDK_EXTERN extern "C" __declspec(dllimport)
+#else
+#define DDK_EXTERN __declspec(dllimport)
+#endif
+#endif
+
+#define ATTRIBUTE(X) __attribute__((X))
+
+#ifndef __NEOSKRNL__
+#error !!! Do not include header in EL0/Ring 3 mode !!!
+#endif  // __NEOSKRNL__
\ No newline at end of file
diff --git a/dev/libDDK/DriverKit/net.h b/dev/libDDK/DriverKit/net.h
new file mode 100644
index 00000000..63f89367
--- /dev/null
+++ b/dev/libDDK/DriverKit/net.h
@@ -0,0 +1,16 @@
+/* -------------------------------------------
+
+  Copyright Amlal El Mahrouss.
+
+  FILE: net.h
+  PURPOSE: Network model base header.
+
+------------------------------------------- */
+
+#pragma once
+
+#include <DriverKit/macros.h>
+
+struct DDK_NET_MANIFEST;
+
+/// @brief IFS hooks to plug into the FileMgr.
diff --git a/dev/libDDK/DriverKit/str.h b/dev/libDDK/DriverKit/str.h
new file mode 100644
index 00000000..b2c0ce72
--- /dev/null
+++ b/dev/libDDK/DriverKit/str.h
@@ -0,0 +1,17 @@
+/* -------------------------------------------
+
+  Copyright Amlal El Mahrouss.
+
+  Purpose: DDK Strings.
+
+------------------------------------------- */
+
+#pragma once
+
+#include <DriverKit/ddk.h>
+
+/// @brief DDK equivalent of POSIX's string.h
+/// @file str.h
+
+DDK_EXTERN size_t kstrlen(const char* in);
+DDK_EXTERN int    kstrncpy(char* dst, const char* src, size_t len);