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/* -------------------------------------------
Copyright ZKA Technologies.
FILE: KernelStd.h
PURPOSE: DDK Driver model base header.
------------------------------------------- */
#pragma once
#include <stdint.h>
#include <stddef.h>
#if defined(__cplusplus)
#define DK_EXTERN extern "C"
#define nil nullptr
#define DK_FINAL final
#else
#define DK_EXTERN extern
#define nil ((void*)0)
#define DK_FINAL
#endif // defined(__cplusplus)
#define ATTRIBUTE(X) __attribute__((X))
#ifndef __NEWOSKRNL__
#error !!! including header in low exception/ring-3 mode !!!
#endif // __NEWOSKRNL__
struct DDK_STATUS_STRUCT;
struct DDK_OBJECT_MANIFEST;
struct DDK_OBJECT_MANIFEST DK_FINAL
{
char* p_name;
int32_t p_kind;
void* p_object;
};
/// \brief DDK status structure (__at_enable, __at_disable...)
struct DDK_STATUS_STRUCT DK_FINAL
{
int32_t s_action_id;
int32_t s_issuer_id;
int32_t s_group_id;
void* s_object;
};
/// @brief Call Kernel (interrupt 0x33)
/// @param KernelRpcName
/// @param cnt number of elements in **dat**
/// @param dat data ptr
/// @param sz sz of whole data ptr.
/// @return result of call
DK_EXTERN void* KernelCall(const char* name, int32_t cnt, void* dat, size_t sz);
/// @brief add system call.
/// @param slot system call slot
/// @param slotFn, syscall slot.
DK_EXTERN void KernelAddSyscall(const int32_t slot, void (*slotFn)(void* a0));
/// @brief allocate heap ptr.
/// @param sz size of ptr.
/// @return the pointer allocated or **nil**.
DK_EXTERN void* KernelAlloc(size_t sz);
/// @brief free heap ptr.
/// @param pointer to free
DK_EXTERN void KernelFree(void*);
/// @brief Get a Kernel property.
/// @param slot property id (always 0)
/// @param name the property's name.
/// @return property's object.
DK_EXTERN struct DDK_OBJECT_MANIFEST* KernelGetObject(const int slot, const char* name);
/// @brief Set a Kernel property.
/// @param slot property id (always 0)
/// @param name the property's name.
/// @param ddk_pr pointer to a property's DDK_OBJECT_MANIFEST.
/// @return property's object.
DK_EXTERN void* KernelSetObject(const int32_t slot, const struct DDK_OBJECT_MANIFEST* ddk_pr);
/// @brief The highest API version of the DDK.
DK_EXTERN int32_t c_api_version_highest;
/// @brief The lowest API version of the DDK.
DK_EXTERN int32_t c_api_version_least;
/// @brief c_api_version_least+c_api_version_highest combined version.
DK_EXTERN int32_t c_api_version;
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