[444] | 1 | /* |
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| 2 | Copyright (c) 2015, Synopsys, Inc. All rights reserved. |
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| 3 | |
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| 4 | Redistribution and use in source and binary forms, with or without |
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| 5 | modification, are permitted provided that the following conditions are met: |
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| 6 | |
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| 7 | 1) Redistributions of source code must retain the above copyright notice, |
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| 8 | this list of conditions and the following disclaimer. |
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| 9 | |
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| 10 | 2) Redistributions in binary form must reproduce the above copyright notice, |
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| 11 | this list of conditions and the following disclaimer in the documentation |
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| 12 | and/or other materials provided with the distribution. |
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| 13 | |
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| 14 | 3) Neither the name of the Synopsys, Inc., nor the names of its contributors |
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| 15 | may be used to endorse or promote products derived from this software |
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| 16 | without specific prior written permission. |
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| 17 | |
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| 18 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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| 19 | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 20 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 21 | ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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| 22 | LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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| 23 | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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| 24 | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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| 25 | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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| 26 | CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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| 27 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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| 28 | POSSIBILITY OF SUCH DAMAGE. |
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| 29 | */ |
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| 30 | |
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| 31 | /* ABI interface file |
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| 32 | these are the stack mappings for the registers |
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| 33 | as stored in the ABI for ARC */ |
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| 34 | |
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| 35 | .file "setjmp.S" |
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| 36 | |
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| 37 | ABIr13 = 0 |
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| 38 | ABIr14 = ABIr13 + 4 |
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| 39 | ABIr15 = ABIr14 + 4 |
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| 40 | ABIr16 = ABIr15 + 4 |
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| 41 | ABIr17 = ABIr16 + 4 |
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| 42 | ABIr18 = ABIr17 + 4 |
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| 43 | ABIr19 = ABIr18 + 4 |
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| 44 | ABIr20 = ABIr19 + 4 |
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| 45 | ABIr21 = ABIr20 + 4 |
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| 46 | ABIr22 = ABIr21 + 4 |
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| 47 | ABIr23 = ABIr22 + 4 |
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| 48 | ABIr24 = ABIr23 + 4 |
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| 49 | ABIr25 = ABIr24 + 4 |
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| 50 | ABIr26 = ABIr25 + 4 |
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| 51 | ABIr27 = ABIr26 + 4 |
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| 52 | ABIr28 = ABIr27 + 4 |
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| 53 | ABIr29 = ABIr28 + 4 |
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| 54 | ABIr30 = ABIr29 + 4 |
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| 55 | ABIr31 = ABIr30 + 4 |
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| 56 | ABIlpc = ABIr31 + 4 |
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| 57 | ABIlps = ABIlpc + 4 |
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| 58 | ABIlpe = ABIlps + 4 |
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| 59 | |
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| 60 | ABIflg = ABIlpe + 4 |
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| 61 | ABImlo = ABIflg + 4 |
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| 62 | ABImhi = ABImlo + 4 |
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| 63 | |
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| 64 | .text |
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| 65 | .align 4 |
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| 66 | .global setjmp |
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| 67 | .type setjmp,@function |
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| 68 | setjmp: |
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| 69 | st r13, [r0, ABIr13] |
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| 70 | st r14, [r0, ABIr14] |
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| 71 | st r15, [r0, ABIr15] |
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| 72 | st r16, [r0, ABIr16] |
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| 73 | st r17, [r0, ABIr17] |
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| 74 | st r18, [r0, ABIr18] |
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| 75 | st r19, [r0, ABIr19] |
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| 76 | st r20, [r0, ABIr20] |
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| 77 | st r21, [r0, ABIr21] |
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| 78 | st r22, [r0, ABIr22] |
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| 79 | st r23, [r0, ABIr23] |
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| 80 | st r24, [r0, ABIr24] |
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| 81 | st r25, [r0, ABIr25] |
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| 82 | st r26, [r0, ABIr26] |
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| 83 | st r27, [r0, ABIr27] |
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| 84 | st r28, [r0, ABIr28] |
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| 85 | st r29, [r0, ABIr29] |
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| 86 | st r30, [r0, ABIr30] |
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| 87 | st blink, [r0, ABIr31] |
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| 88 | st lp_count, [r0, ABIlpc] |
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| 89 | |
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| 90 | lr r2, [lp_start] |
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| 91 | lr r3, [lp_end] |
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| 92 | st r2, [r0, ABIlps] |
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| 93 | st r3, [r0, ABIlpe] |
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| 94 | |
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| 95 | #if (!defined (__ARC700__) && !defined (__ARCEM__) && !defined (__ARCHS__)) |
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| 96 | ; Till the configure changes are decided, and implemented, the code working on |
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| 97 | ; mlo/mhi and using mul64 should be disabled. |
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| 98 | ; st mlo, [r0, ABImlo] |
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| 99 | ; st mhi, [r0, ABImhi] |
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| 100 | lr r2, [status32] |
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| 101 | st r2, [r0, ABIflg] |
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| 102 | #endif |
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| 103 | |
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| 104 | j.d [blink] |
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| 105 | mov r0,0 |
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| 106 | .Lfe1: |
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| 107 | .size setjmp,.Lfe1-setjmp |
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| 108 | |
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| 109 | .align 4 |
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| 110 | .global longjmp |
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| 111 | .type longjmp,@function |
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| 112 | longjmp: |
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| 113 | |
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| 114 | ; load registers |
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| 115 | ld r13, [r0, ABIr13] |
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| 116 | ld r14, [r0, ABIr14] |
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| 117 | ld r15, [r0, ABIr15] |
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| 118 | ld r16, [r0, ABIr16] |
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| 119 | ld r17, [r0, ABIr17] |
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| 120 | ld r18, [r0, ABIr18] |
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| 121 | ld r19, [r0, ABIr19] |
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| 122 | ld r20, [r0, ABIr20] |
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| 123 | ld r21, [r0, ABIr21] |
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| 124 | ld r22, [r0, ABIr22] |
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| 125 | ld r23, [r0, ABIr23] |
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| 126 | ld r24, [r0, ABIr24] |
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| 127 | ld r25, [r0, ABIr25] |
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| 128 | ld r26, [r0, ABIr26] |
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| 129 | ld r27, [r0, ABIr27] |
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| 130 | ld r28, [r0, ABIr28] |
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| 131 | |
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| 132 | ld r3, [r0, ABIr29] |
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| 133 | mov r29, r3 |
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| 134 | |
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| 135 | ld r3, [r0, ABIr30] |
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| 136 | mov r30, r3 |
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| 137 | |
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| 138 | ld blink, [r0, ABIr31] |
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| 139 | |
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| 140 | ld r3, [r0, ABIlpc] |
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| 141 | mov lp_count, r3 |
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| 142 | |
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| 143 | ld r2, [r0, ABIlps] |
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| 144 | ld r3, [r0, ABIlpe] |
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| 145 | sr r2, [lp_start] |
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| 146 | sr r3, [lp_end] |
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| 147 | |
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| 148 | #if (!defined (__ARC700__) && !defined (__ARCEM__) && !defined (__ARCHS__)) |
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| 149 | ld r2, [r0, ABImlo] |
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| 150 | ld r3, [r0, ABImhi] |
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| 151 | ; We do not support restoring of mulhi and mlo registers, yet. |
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| 152 | |
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| 153 | ; mulu64 0,r2,1 ; restores mlo |
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| 154 | ; mov 0,mlo ; force multiply to finish |
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| 155 | ; sr r3, [mulhi] |
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| 156 | ld r2, [r0, ABIflg] |
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| 157 | flag r2 ; restore "status32" register |
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| 158 | #endif |
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| 159 | |
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| 160 | mov.f r1, r1 ; to avoid return 0 from longjmp |
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| 161 | mov.eq r1, 1 |
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| 162 | j.d [blink] |
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| 163 | mov r0,r1 |
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| 164 | .Lfe2: |
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| 165 | .size longjmp,.Lfe2-longjmp |
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