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/*
* Copyright (c) 1995-1994 The University of Utah and
* the Computer Systems Laboratory at the University of Utah (CSL).
* All rights reserved.
*
* Permission to use, copy, modify and distribute this software is hereby
* granted provided that (1) source code retains these copyright, permission,
* and disclaimer notices, and (2) redistributions including binaries
* reproduce the notices in supporting documentation, and (3) all advertising
* materials mentioning features or use of this software display the following
* acknowledgement: ``This product includes software developed by the
* Computer Systems Laboratory at the University of Utah.''
*
* THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
* IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
* ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* CSL requests users of this software to return to csl-dist@cs.utah.edu any
* improvements that they make and grant CSL redistribution rights.
*
* Author: Bryan Ford, University of Utah CSL
*/
#include <mach/machine/tss.h>
#include <mach/machine/proc_reg.h>
#include "cpu.h"
#ifdef ENABLE_KERNEL_TSS
void
cpu_tss_init(struct cpu *cpu)
{
/* Only initialize once. */
if (!cpu->tables.tss.ss0)
{
/* Initialize the master TSS. */
cpu->tables.tss.ss0 = KERNEL_DS;
cpu->tables.tss.esp0 = get_esp(); /* only temporary */
cpu->tables.tss.io_bit_map_offset = sizeof(cpu->tables.tss);
}
}
#endif
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