ddk_kernel_call.c File Reference

#include <DriverKit/ddk.h>
#include <stdarg.h>

Functions
DDK_EXTERN	ATTRIBUTE (naked)
	this is an internal call, do not use it.
DDK_EXTERN void *	ke_call_dispatch (const char *name, int32_t cnt, void *data, size_t sz)
	Interrupt Kernel and call it's RPC.
DDK_EXTERN void	ke_set_syscall (const int slot, void(*slotFn)(void *a0))
	Add system call.
DDK_EXTERN struct DDK_OBJECT_MANIFEST *	ke_get_obj (const int slot, const char *name)
	Get a Kernel object.
DDK_EXTERN void *	ke_set_obj (const int slot, const struct DDK_OBJECT_MANIFEST *ddk_pr)
	Set a Kernel object.

Function Documentation

ATTRIBUTE()

DDK_EXTERN ATTRIBUTE

(

naked

)

this is an internal call, do not use it.

This function hashes the path into a FNV symbol.

Parameters

path	the path to hash.

Return values

0	symbol wasn't hashed.
>	0 hashed symbol.

ke_call_dispatch()

DDK_EXTERN void * ke_call_dispatch	(	const char *	name,
		int32_t	cnt,
		void *	data,
		size_t	sz )

Interrupt Kernel and call it's RPC.

Call Kernel procedure.

Parameters

name	RPC name
cnt	number of elements in data pointer.
data	data pointer.
sz	The size of the whole data pointer.

Return values

void*	Kernel call was successful.
nil	Kernel call failed, call KernelLastError(void)

ke_get_obj()

DDK_EXTERN struct DDK_OBJECT_MANIFEST * ke_get_obj	(	const int	slot,
		const char *	name )

Get a Kernel object.

Gets a Kernel object.

Parameters

slot	property id (always 0)
name	the object's name.

Returns

Object manifest.

ke_set_obj()

DDK_EXTERN void * ke_set_obj	(	const int	slot,
		const struct DDK_OBJECT_MANIFEST *	ddk_pr )

Set a Kernel object.

Parameters

slot	property id (always 0)
name	the object's name.
ddk_pr	pointer to a object's DDK_OBJECT_MANIFEST.

Returns

property's object.

ke_set_syscall()

DDK_EXTERN void ke_set_syscall	(	const int	slot,
		void(*	slotFn )(void *a0) )

Add system call.

Parameters

slot	system call slot
slotFn,syscall	slot.