1/* 2 Copyright (c) 2015, Synopsys, Inc. All rights reserved. 3 4 Redistribution and use in source and binary forms, with or without 5 modification, are permitted provided that the following conditions are met: 6 7 1) Redistributions of source code must retain the above copyright notice, 8 this list of conditions and the following disclaimer. 9 10 2) Redistributions in binary form must reproduce the above copyright notice, 11 this list of conditions and the following disclaimer in the documentation 12 and/or other materials provided with the distribution. 13 14 3) Neither the name of the Synopsys, Inc., nor the names of its contributors 15 may be used to endorse or promote products derived from this software 16 without specific prior written permission. 17 18 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 19 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 22 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 POSSIBILITY OF SUCH DAMAGE. 29*/ 30 31/* ABI interface file 32 these are the stack mappings for the registers 33 as stored in the ABI for ARC */ 34 35#define ARC_REGSIZE __SIZEOF_LONG__ 36 37ABIr13 = 0 38ABIr14 = ABIr13 + ARC_REGSIZE 39ABIr15 = ABIr14 + ARC_REGSIZE 40ABIr16 = ABIr15 + ARC_REGSIZE 41ABIr17 = ABIr16 + ARC_REGSIZE 42ABIr18 = ABIr17 + ARC_REGSIZE 43ABIr19 = ABIr18 + ARC_REGSIZE 44ABIr20 = ABIr19 + ARC_REGSIZE 45ABIr21 = ABIr20 + ARC_REGSIZE 46ABIr22 = ABIr21 + ARC_REGSIZE 47ABIr23 = ABIr22 + ARC_REGSIZE 48ABIr24 = ABIr23 + ARC_REGSIZE 49ABIr25 = ABIr24 + ARC_REGSIZE 50ABIr26 = ABIr25 + ARC_REGSIZE 51ABIr27 = ABIr26 + ARC_REGSIZE 52ABIr28 = ABIr27 + ARC_REGSIZE 53ABIr29 = ABIr28 + ARC_REGSIZE 54ABIr30 = ABIr29 + ARC_REGSIZE 55ABIr31 = ABIr30 + ARC_REGSIZE 56ABIlpc = ABIr31 + ARC_REGSIZE 57ABIlps = ABIlpc + ARC_REGSIZE 58ABIlpe = ABIlps + ARC_REGSIZE 59 60ABIflg = ABIlpe + ARC_REGSIZE 61ABImlo = ABIflg + ARC_REGSIZE 62ABImhi = ABImlo + ARC_REGSIZE 63 64 .text 65 .align 4 66 .global setjmp 67 .type setjmp,@function 68setjmp: 69 st r13, [r0, ABIr13] 70 st r14, [r0, ABIr14] 71 st r15, [r0, ABIr15] 72 st r16, [r0, ABIr16] 73 st r17, [r0, ABIr17] 74 st r18, [r0, ABIr18] 75 st r19, [r0, ABIr19] 76 st r20, [r0, ABIr20] 77 st r21, [r0, ABIr21] 78 st r22, [r0, ABIr22] 79 st r23, [r0, ABIr23] 80 st r24, [r0, ABIr24] 81 st r25, [r0, ABIr25] 82 st r26, [r0, ABIr26] 83 st r27, [r0, ABIr27] 84 st r28, [r0, ABIr28] 85 st r29, [r0, ABIr29] 86 st r30, [r0, ABIr30] 87 st blink, [r0, ABIr31] 88#ifndef __ARCV3__ 89 st lp_count, [r0, ABIlpc] 90#endif 91 lr r2, [lp_start] 92 lr r3, [lp_end] 93 st r2, [r0, ABIlps] 94 st r3, [r0, ABIlpe] 95 96#if (!defined (__ARC700__) && !defined (__ARCEM__) && !defined (__ARCHS__)) 97; Till the configure changes are decided, and implemented, the code working on 98; mlo/mhi and using mul64 should be disabled. 99; st mlo, [r0, ABImlo] 100; st mhi, [r0, ABImhi] 101 lr r2, [status32] 102 st r2, [r0, ABIflg] 103#endif 104 105 j.d [blink] 106 mov r0,0 107.Lfe1: 108 .size setjmp,.Lfe1-setjmp 109 110 .align 4 111 .global longjmp 112 .type longjmp,@function 113longjmp: 114 115 ; load registers 116 ld r13, [r0, ABIr13] 117 ld r14, [r0, ABIr14] 118 ld r15, [r0, ABIr15] 119 ld r16, [r0, ABIr16] 120 ld r17, [r0, ABIr17] 121 ld r18, [r0, ABIr18] 122 ld r19, [r0, ABIr19] 123 ld r20, [r0, ABIr20] 124 ld r21, [r0, ABIr21] 125 ld r22, [r0, ABIr22] 126 ld r23, [r0, ABIr23] 127 ld r24, [r0, ABIr24] 128 ld r25, [r0, ABIr25] 129 ld r26, [r0, ABIr26] 130 ld r27, [r0, ABIr27] 131 ld r28, [r0, ABIr28] 132 133 ld r3, [r0, ABIr29] 134 mov r29, r3 135 136 ld r3, [r0, ABIr30] 137 mov r30, r3 138 139 ld blink, [r0, ABIr31] 140 141#ifndef __ARCV3__ 142 ld r3, [r0, ABIlpc] 143 mov lp_count, r3 144#endif 145 146 ld r2, [r0, ABIlps] 147 ld r3, [r0, ABIlpe] 148 sr r2, [lp_start] 149 sr r3, [lp_end] 150 151#if (!defined (__ARC700__) && !defined (__ARCEM__) && !defined (__ARCHS__)) 152 ld r2, [r0, ABImlo] 153 ld r3, [r0, ABImhi] 154; We do not support restoring of mulhi and mlo registers, yet. 155 156; mulu64 0,r2,1 ; restores mlo 157; mov 0,mlo ; force multiply to finish 158; sr r3, [mulhi] 159 ld r2, [r0, ABIflg] 160 flag r2 ; restore "status32" register 161#endif 162 163 mov.f r1, r1 ; to avoid return 0 from longjmp 164 mov.eq r1, 1 165 j.d [blink] 166 mov r0,r1 167.Lfe2: 168 .size longjmp,.Lfe2-longjmp 169
