11.1Smatt/* $NetBSD: reg.h,v 1.1 2014/09/03 19:34:26 matt Exp $ */
21.1Smatt
31.1Smatt/*-
41.1Smatt * Copyright (c) 2014 The NetBSD Foundation, Inc.
51.1Smatt * All rights reserved.
61.1Smatt *
71.1Smatt * This code is derived from software contributed to The NetBSD Foundation
81.1Smatt * by Matt Thomas of 3am Software Foundry.
91.1Smatt *
101.1Smatt * Redistribution and use in source and binary forms, with or without
111.1Smatt * modification, are permitted provided that the following conditions
121.1Smatt * are met:
131.1Smatt * 1. Redistributions of source code must retain the above copyright
141.1Smatt *    notice, this list of conditions and the following disclaimer.
151.1Smatt * 2. Redistributions in binary form must reproduce the above copyright
161.1Smatt *    notice, this list of conditions and the following disclaimer in the
171.1Smatt *    documentation and/or other materials provided with the distribution.
181.1Smatt *
191.1Smatt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
201.1Smatt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
211.1Smatt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
221.1Smatt * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
231.1Smatt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
241.1Smatt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
251.1Smatt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
261.1Smatt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
271.1Smatt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
281.1Smatt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
291.1Smatt * POSSIBILITY OF SUCH DAMAGE.
301.1Smatt */
311.1Smatt
321.1Smatt#ifndef _OR1K_REG_H_
331.1Smatt#define _OR1K_REG_H_
341.1Smatt
351.1Smatt// r0 = must contain 0
361.1Smatt// r1 = SP (stack pointer)
371.1Smatt// r2 = FP (frame pointer)
381.1Smatt// r3-r8 = arg param 0-5
391.1Smatt// r9 = LR (link register)
401.1Smatt// r10 = TP (thread pointer)
411.1Smatt// r11 = RV
421.1Smatt// r12 = RVH (64-bit returns)
431.1Smatt// r13, r15, r17, r19, r21, r23, r25, r27, r29, r31 - temporary
441.1Smatt// r14, r16, r18, r20, r22, r24, r26, r28, r30 - callee saved
451.1Smatt// r16 = GOT address (PIC)
461.1Smatt
471.1Smattstruct reg {
481.1Smatt#ifdef _LP64
491.1Smatt	uint32_t r_reg[31]; /* r0 is always 0 */
501.1Smatt#else
511.1Smatt	uint64_t r_reg[31]; /* r0 is always 0 */
521.1Smatt#endif
531.1Smatt};
541.1Smatt
551.1Smattstruct fpreg {
561.1Smatt	uint32_t f_fpcsr;
571.1Smatt};
581.1Smatt
591.1Smatt#endif /* _OR1K_REG_H_ */
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