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// Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
// Licensed under the Apache License, Version 2.0 (see LICENSE file)
// Official repository: https://github.com/nekernel-org/nekernel
#ifndef DRIVERKIT_DDK_H
#define DRIVERKIT_DDK_H
#include <DriverKit/Defines.h>
struct DDK_STATUS_STRUCT;
struct DDK_OBJECT_MANIFEST;
typedef void* ptr_t;
typedef ptr_t addr_t;
typedef ptr_t vaddr_t;
typedef ptr_t paddr_t;
/// \brief Object handle manifest.
struct DDK_OBJECT_MANIFEST DDK_FINAL {
char* p_name;
int32_t p_kind;
ptr_t 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;
#endif
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