#ifndef WINVXD_H
#define WINVXD_H

/** Some definitions from VMM or general VXD structs. */

#include <stdint.h>

#include <sassert.h>

enum {
	SDK_VERSION_3 = 0x30A,
	SDK_VERSION_4 = 0x400
};

enum {
	UNDEFINED_INIT_ORDER = 0x80000000UL
};

enum VXD_DEVICE_IDS {
	UNDEFINED_DEVICE_ID = 0,
	VMM_DEVICE_ID       = 1,
	VMD_DEVICE_ID       = 0xC,
	VKD_DEVICE_ID       = 0xD,
	CONFIGMG_DEVICE_ID  = 0x33,
};

enum {
	/* Required for w9x to load 4.0 VxD */
	DDB_PREV_INIT = 'Prev'
};

typedef struct {
	uint32_t next;
	uint16_t sdk_version;
	uint16_t req_device_number;
	uint8_t dev_major_version;
	uint8_t dev_minor_version;
	uint16_t flags;
	char name[8];
	uint32_t init_order;

	void * control_proc;
	void * v86_api_proc;
	void * pm_api_proc;
	void * v86_api_csip;
	void * pm_api_csip;
	void * reference_data;
	void * service_table_ptr;
	uint32_t service_table_size;

	/** Windows 9x */
	void * win32_service_table;
	uint32_t prev;
	uint32_t size;

	uint32_t reserved[3];
} VxD_Desc_Block;
STATIC_ASSERT(sizeof(VxD_Desc_Block) == 80);

enum SYSTEM_CONTROL_MSGS {
	SYS_CRITICAL_INIT = 0x0,
	DEVICE_INIT = 0x1,
	INIT_COMPLETE = 0x2,
	SYS_VM_INIT = 0x3,
	SYS_VM_TERMINATE = 0x4,
	SYSTEM_EXIT = 0x5,
	SYS_CRITICAL_EXIT=0x6,
	CREATE_VM=0x7,
	VM_CRITICAL_INIT=0x8,
	VM_INIT=0x9,
	VM_TERMINATE=0xA,
	VM_NOT_EXECUTEABLE=0xB,
	DESTROY_VM=0xC,
	VM_SUSPEND=0xD,
	VM_RESUME=0xE,
	SET_DEVICE_FOCUS=0xF,

	BEGIN_MESSAGE_MODE=0x10,
	END_MESSAGE_MODE=0x11,

	REBOOT_PROCESSOR=0x12,

	QUERY_DESTROY=0x13,

	DEBUG_QUERY=0x14,

	BEGIN_PM_APP=0x15,
	END_PM_APP=0x16,

	DEVICE_REBOOT_NOTIFY=0x17,
	CRIT_REBOOT_NOTIFY=0x18,

	CLOSE_VM_NOTIFY=0x19,

	POWER_EVENT=0x1A,

	SYS_DYNAMIC_DEVICE_INIT=0x1B,
	SYS_DYNAMIC_DEVICE_EXIT=0x1C,

	CREATE_THREAD=0x1D,
	THREAD_INIT=0x1E,
	TERMINATE_THREAD=0x1F,
	THREAD_NOT_EXECUTEABLE=0x20,
	DESTROY_THREAD=0x21,

	PNP_NEW_DEVNODE = 0x22,

	W32_DEVICEIOCONTROL = 0x23,

	SYS_VM_TERMINATE2 = 0x24,
	//...
	CLOSE_VM_NOTIFY2 = 0x2F,

	KERNEL32_INITIALIZED=0x31,
	KERNEL32_SHUTDOWN=0x32

};

static inline void clear_carry(void);
#pragma aux clear_carry = "clc" modify exact [];

static inline void set_carry(void);
#pragma aux set_carry = "stc" modify exact [];

static inline int set_carry_if_notzero(int arg);
#pragma aux set_carry_if_notzero = \
	"cmp eax, 1" \
	parm [eax] \
	value [eax] \
	modify exact [];

#endif // WINVXD_H