freebsd-dev/sys/sparc64/include/pcb.h

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/*-
* Copyright (c) 2001 Jake Burkholder.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _MACHINE_PCB_H_
#define _MACHINE_PCB_H_
#include <machine/frame.h>
#define MAXWIN 8
#define PCB_FEF (1 << 0)
/* NOTE: pcb_ufp must be aligned on a 64 byte boundary. */
2001-09-05 05:18:35 +00:00
struct pcb {
struct rwindow pcb_rw[MAXWIN];
uint32_t pcb_kfp[64];
uint32_t pcb_ufp[64];
uint64_t pcb_rwsp[MAXWIN];
uint64_t pcb_flags;
uint64_t pcb_nsaved;
uint64_t pcb_pc;
uint64_t pcb_sp;
uint64_t pcb_pad[4];
} __aligned(64);
#ifdef _KERNEL
void makectx(struct trapframe *, struct pcb *);
int savectx(struct pcb *pcb);
#endif
#endif /* !_MACHINE_PCB_H_ */