1*27620987Smatt /* $NetBSD: reg.h,v 1.1 2014/09/03 19:34:26 matt Exp $ */ 2*27620987Smatt 3*27620987Smatt /*- 4*27620987Smatt * Copyright (c) 2014 The NetBSD Foundation, Inc. 5*27620987Smatt * All rights reserved. 6*27620987Smatt * 7*27620987Smatt * This code is derived from software contributed to The NetBSD Foundation 8*27620987Smatt * by Matt Thomas of 3am Software Foundry. 9*27620987Smatt * 10*27620987Smatt * Redistribution and use in source and binary forms, with or without 11*27620987Smatt * modification, are permitted provided that the following conditions 12*27620987Smatt * are met: 13*27620987Smatt * 1. Redistributions of source code must retain the above copyright 14*27620987Smatt * notice, this list of conditions and the following disclaimer. 15*27620987Smatt * 2. Redistributions in binary form must reproduce the above copyright 16*27620987Smatt * notice, this list of conditions and the following disclaimer in the 17*27620987Smatt * documentation and/or other materials provided with the distribution. 18*27620987Smatt * 19*27620987Smatt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20*27620987Smatt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21*27620987Smatt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22*27620987Smatt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23*27620987Smatt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24*27620987Smatt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25*27620987Smatt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26*27620987Smatt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27*27620987Smatt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28*27620987Smatt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29*27620987Smatt * POSSIBILITY OF SUCH DAMAGE. 30*27620987Smatt */ 31*27620987Smatt 32*27620987Smatt #ifndef _OR1K_REG_H_ 33*27620987Smatt #define _OR1K_REG_H_ 34*27620987Smatt 35*27620987Smatt // r0 = must contain 0 36*27620987Smatt // r1 = SP (stack pointer) 37*27620987Smatt // r2 = FP (frame pointer) 38*27620987Smatt // r3-r8 = arg param 0-5 39*27620987Smatt // r9 = LR (link register) 40*27620987Smatt // r10 = TP (thread pointer) 41*27620987Smatt // r11 = RV 42*27620987Smatt // r12 = RVH (64-bit returns) 43*27620987Smatt // r13, r15, r17, r19, r21, r23, r25, r27, r29, r31 - temporary 44*27620987Smatt // r14, r16, r18, r20, r22, r24, r26, r28, r30 - callee saved 45*27620987Smatt // r16 = GOT address (PIC) 46*27620987Smatt 47*27620987Smatt struct reg { 48*27620987Smatt #ifdef _LP64 49*27620987Smatt uint32_t r_reg[31]; /* r0 is always 0 */ 50*27620987Smatt #else 51*27620987Smatt uint64_t r_reg[31]; /* r0 is always 0 */ 52*27620987Smatt #endif 53*27620987Smatt }; 54*27620987Smatt 55*27620987Smatt struct fpreg { 56*27620987Smatt uint32_t f_fpcsr; 57*27620987Smatt }; 58*27620987Smatt 59*27620987Smatt #endif /* _OR1K_REG_H_ */ 60