6cc2be150f
headers in .S directly rather than getting to their macros through genassym.c/assym.s so there are less headers genassym.c has to be kept in sync with. While at it fix some stytle(9) bugs (indentation, prototype format, sort headers, etc) and remove trailing whitespace.
69 lines
2.4 KiB
C
69 lines
2.4 KiB
C
/*-
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* Copyright (c) 2001 Jake Burkholder.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _MACHINE_PCB_H_
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#define _MACHINE_PCB_H_
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#ifndef LOCORE
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#include <machine/frame.h>
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#endif
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#define MAXWIN 8
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#define PCB_FEF (1 << 0)
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#ifndef LOCORE
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/* NOTE: pcb_ufp must be aligned on a 64 byte boundary. */
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struct pcb {
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struct rwindow pcb_rw[MAXWIN]; /* wbuf for page faults during spill / fill trap handling */
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uint32_t pcb_kfp[64]; /* used for regs in handling kernel floating point exc */
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uint32_t pcb_ufp[64]; /* used for regs in handling user floating point exc */
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uint64_t pcb_rwsp[MAXWIN]; /* spbuf sp's for each wbuf */
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uint64_t pcb_flags;
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uint64_t pcb_nsaved; /* number of windows saved in pcb_rw */
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uint64_t pcb_pc;
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uint64_t pcb_sp;
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uint64_t pcb_kstack; /* pcb's kernel stack */
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uint64_t pcb_tstate;
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uint64_t pcb_tpc;
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uint64_t pcb_tnpc;
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uint64_t pcb_tt;
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uint64_t pcb_sfar;
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uint64_t pcb_pad[7];
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} __aligned(64);
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#ifdef _KERNEL
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void makectx(struct trapframe *tf, struct pcb *pcb);
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int savectx(struct pcb *pcb);
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#endif
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#endif /* !LOCORE */
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#endif /* !_MACHINE_PCB_H_ */
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