ipxe/src/arch/i386/include/pxe_types.h

/*
 * Architecture-specific portion of pxe.h for Etherboot
 *
 * This file has to define the types SEGOFF16_t, SEGDESC_t and
 * SEGSEL_t for use in other PXE structures.  See pxe.h for details.
 */

#ifndef PXE_TYPES_H
#define PXE_TYPES_H

/* SEGOFF16_t defined in separate header
 */
#include "realmode.h"
typedef segoff_t I386_SEGOFF16_t;
#define SEGOFF16_t I386_SEGOFF16_t

#define IS_NULL_SEGOFF16(x) ( ( (x).segment == 0 ) && ( (x).offset == 0 ) )
#define SEGOFF16_TO_PTR(x) ( VIRTUAL( (x).segment, (x).offset ) )
#define PTR_TO_SEGOFF16(ptr,segoff16) \
	(segoff16).segment = SEGMENT(ptr); \
	(segoff16).offset  = OFFSET(ptr);

typedef struct {
	uint16_t		Seg_Addr;
	uint32_t		Phy_Addr;
	uint16_t		Seg_Size;
} PACKED I386_SEGDESC_t;  /* PACKED is required, otherwise gcc pads
			  * this out to 12 bytes -
			  * mbrown@fensystems.co.uk (mcb30) 17/5/03 */
#define SEGDESC_t I386_SEGDESC_t

typedef	uint16_t I386_SEGSEL_t;
#define SEGSEL_t I386_SEGSEL_t

#endif /* PXE_TYPES_H */