53 lines
2.0 KiB
C
53 lines
2.0 KiB
C
/* $NetBSD: frame.h,v 1.1 2014/09/19 17:36:26 matt Exp $ */
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/*-
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* Copyright (c) 2014 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Matt Thomas of 3am Software Foundry.
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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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _RISCV_FRAME_H_
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#define _RISCV_FRAME_H_
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#include <riscv/reg.h>
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struct trapframe {
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struct reg tf_regs __aligned(8);
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register_t tf_badvaddr;
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register_t tf_pc;
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uint32_t tf_cause; // 32-bit register
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uint32_t tf_sr; // 32-bit register
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#define tf_reg tf_regs.r_reg
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#define tf_a0 tf_reg[_X_A0]
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#define tf_t0 tf_reg[_X_T0]
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#define tf_v0 tf_reg[_X_V0]
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#define tf_v1 tf_reg[_X_V1]
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#define tf_ra tf_reg[_X_RA]
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#define tf_sp tf_reg[_X_SP]
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};
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#endif /* _RISCV_FRAME_H_ */
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