91 lines
2.5 KiB
C
91 lines
2.5 KiB
C
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/*-
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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_FRAME_H_
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#define _MACHINE_FRAME_H_
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#define RW_SHIFT 7
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#define SPOFF 2047
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#define BIAS SPOFF /* XXX - open/netbsd compat */
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/*
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* NOTE: keep this structure in sync with struct reg and struct mcontext.
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*/
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struct trapframe {
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uint64_t tf_global[8];
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uint64_t tf_out[8];
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uint64_t tf_fprs;
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uint64_t tf_fsr;
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uint64_t tf_gsr;
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uint64_t tf_pad0[1];
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uint64_t tf_pil;
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uint64_t tf_pad1[3];
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uint64_t tf_tnpc;
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uint64_t tf_tpc;
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uint64_t tf_tstate;
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uint64_t tf_pad2[2];
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uint64_t tf_wstate;
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uint64_t tf_asi;
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uint64_t tf_pad3[1];
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} __aligned(64);
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/* extra padding can go away once we re-shuffle user-land mcontext
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*/
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#define tf_sp tf_out[6]
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#define TF_DONE(tf) do { \
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tf->tf_tpc = tf->tf_tnpc; \
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tf->tf_tnpc += 4; \
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} while (0)
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struct frame {
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u_long fr_local[8];
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u_long fr_in[8];
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u_long fr_pad[8];
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};
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#define fr_arg fr_in
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#define fr_fp fr_in[6]
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#define fr_pc fr_in[7]
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#define v9next_frame(fp) ((struct frame *)(fp->fr_fp + BIAS))
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/*
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* Frame used for pcb_rw.
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*/
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struct rwindow {
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u_long rw_local[8];
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u_long rw_in[8];
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};
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struct thread;
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int rwindow_save(struct thread *td);
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int rwindow_load(struct thread *td, struct trapframe *tf, int n);
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#endif /* !_MACHINE_FRAME_H_ */
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