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/*[
lxs.c
LOCAL CHAR SccsID[]="@(#)lxs.c 1.5 02/09/94";
LDS, LES, LGS, LGS and LSS (ie LxS) CPU Functions.
--------------------------------------------------
]*/
#include <insignia.h>
#include <host_def.h>
#include <xt.h>
#include <c_main.h>
#include <c_addr.h>
#include <c_bsic.h>
#include <c_prot.h>
#include <c_seg.h>
#include <c_stack.h>
#include <c_xcptn.h>
#include <c_reg.h>
#include <lxs.h>
#include <mov.h>
/*
=====================================================================
EXTERNAL ROUTINES START HERE
=====================================================================
*/
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
/* Load Full Pointer to DS segment register:general register pair. */
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
GLOBAL VOID
LDS
#ifdef ANSI
(
IU32 *pop1, /* Pntr to dst(offset) operand */
IU32 op2[2] /* src(offset:selector pair) operand */
)
#else
(pop1, op2)
IU32 *pop1;
IU32 op2[2];
#endif
{
/* load segment selector first */
MOV_SR((IU32)DS_REG, op2[1]);
/* then (if it works) load offset */
*pop1 = op2[0];
}
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
/* Load Full Pointer to ES segment register:general register pair. */
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
GLOBAL VOID
LES
#ifdef ANSI
(
IU32 *pop1, /* Pntr to dst(offset) operand */
IU32 op2[2] /* src(offset:selector pair) operand */
)
#else
(pop1, op2)
IU32 *pop1;
IU32 op2[2];
#endif
{
/* load segment selector first */
MOV_SR((IU32)ES_REG, op2[1]);
/* then (if it works) load offset */
*pop1 = op2[0];
}
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
/* Load Full Pointer to FS segment register:general register pair. */
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
GLOBAL VOID
LFS
#ifdef ANSI
(
IU32 *pop1, /* Pntr to dst(offset) operand */
IU32 op2[2] /* src(offset:selector pair) operand */
)
#else
(pop1, op2)
IU32 *pop1;
IU32 op2[2];
#endif
{
/* load segment selector first */
MOV_SR((IU32)FS_REG, op2[1]);
/* then (if it works) load offset */
*pop1 = op2[0];
}
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
/* Load Full Pointer to GS segment register:general register pair. */
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
GLOBAL VOID
LGS
#ifdef ANSI
(
IU32 *pop1, /* Pntr to dst(offset) operand */
IU32 op2[2] /* src(offset:selector pair) operand */
)
#else
(pop1, op2)
IU32 *pop1;
IU32 op2[2];
#endif
{
/* load segment selector first */
MOV_SR((IU32)GS_REG, op2[1]);
/* then (if it works) load offset */
*pop1 = op2[0];
}
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
/* Load Full Pointer to SS segment register:general register pair. */
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
GLOBAL VOID
LSS
#ifdef ANSI
(
IU32 *pop1, /* Pntr to dst(offset) operand */
IU32 op2[2] /* src(offset:selector pair) operand */
)
#else
(pop1, op2)
IU32 *pop1;
IU32 op2[2];
#endif
{
/* load segment selector first */
MOV_SR((IU32)SS_REG, op2[1]);
/* then (if it works) load offset */
*pop1 = op2[0];
}
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