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

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

1 files changed, 74 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;