2# All rights reserved. 3# 4# The license below extends only to copyright in the software and shall 5# not be construed as granting a license to any other intellectual 6# property including but not limited to intellectual property relating 7# to a hardware implementation of the functionality of the software 8# licensed hereunder. You may use the software subject to the license 9# terms below provided that you ensure that this notice is replicated 10# unmodified and in its entirety in all distributions of the software, 11# modified or unmodified, in source code or in binary form. 12# 13# Redistribution and use in source and binary forms, with or without 14# modification, are permitted provided that the following conditions are 15# met: redistributions of source code must retain the above copyright 16# notice, this list of conditions and the following disclaimer; 17# redistributions in binary form must reproduce the above copyright 18# notice, this list of conditions and the following disclaimer in the 19# documentation and/or other materials provided with the distribution; 20# neither the name of the copyright holders nor the names of its 21# contributors may be used to endorse or promote products derived from 22# this software without specific prior written permission. 23# 24# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 25# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 26# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 27# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 28# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 29# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 30# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 31# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 32# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 33# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 34# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 35# 36# Authors: Gabe Black 37 38microcode = ''' 39def macroop CMPXCHG_R_R { 40 sub t0, rax, reg, flags=(OF, SF, ZF, AF, PF, CF) 41 mov reg, reg, regm, flags=(CZF,) 42 mov rax, rax, reg, flags=(nCZF,) 43}; 44 45def macroop CMPXCHG_M_R { 46 ldst t1, seg, sib, disp 47 sub t0, rax, t1, flags=(OF, SF, ZF, AF, PF, CF) 48 49 mov t1, t1, reg, flags=(CZF,) 50 st t1, seg, sib, disp 51 mov rax, rax, t1, flags=(nCZF,) 52}; 53 54def macroop CMPXCHG_P_R { 55 rdip t7 56 ldst t1, seg, riprel, disp 57 sub t0, rax, t1, flags=(OF, SF, ZF, AF, PF, CF) 58 59 mov t1, t1, reg, flags=(CZF,) 60 st t1, seg, riprel, disp 61 mov rax, rax, t1, flags=(nCZF,) 62}; 63 64def macroop CMPXCHG_LOCKED_M_R { 65 mfence 66 ldstl t1, seg, sib, disp 67 sub t0, rax, t1, flags=(OF, SF, ZF, AF, PF, CF) 68 69 mov t1, t1, reg, flags=(CZF,) 70 stul t1, seg, sib, disp 71 mfence 72 mov rax, rax, t1, flags=(nCZF,) 73}; 74 75def macroop CMPXCHG_LOCKED_P_R { 76 rdip t7 77 mfence 78 ldstl t1, seg, riprel, disp 79 sub t0, rax, t1, flags=(OF, SF, ZF, AF, PF, CF) 80 81 mov t1, t1, reg, flags=(CZF,) 82 stul t1, seg, riprel, disp 83 mfence 84 mov rax, rax, t1, flags=(nCZF,) 85}; 86 87def macroop XADD_M_R { 88 ldst t1, seg, sib, disp 89 add t2, t1, reg, flags=(OF,SF,ZF,AF,PF,CF) 90 st t2, seg, sib, disp 91 mov reg, reg, t1 92}; 93 94def macroop XADD_P_R { 95 rdip t7 96 ldst t1, seg, riprel, disp 97 add t2, t1, reg, flags=(OF,SF,ZF,AF,PF,CF) 98 st t2, seg, riprel, disp 99 mov reg, reg, t1 100}; 101 102def macroop XADD_LOCKED_M_R { 103 mfence 104 ldstl t1, seg, sib, disp 105 add t2, t1, reg, flags=(OF,SF,ZF,AF,PF,CF) 106 stul t2, seg, sib, disp 107 mfence 108 mov reg, reg, t1 109}; 110 111def macroop XADD_LOCKED_P_R { 112 rdip t7 113 mfence 114 ldstl t1, seg, riprel, disp 115 add t2, t1, reg, flags=(OF,SF,ZF,AF,PF,CF) 116 stul t2, seg, riprel, disp 117 mfence 118 mov reg, reg, t1 119}; 120 121def macroop XADD_R_R { 122 add t2, regm, reg, flags=(OF,SF,ZF,AF,PF,CF) 123 mov regm, regm, reg 124 mov reg, reg, t2 125}; 126 127''' 128
| 3# All rights reserved. 4# 5# The license below extends only to copyright in the software and shall 6# not be construed as granting a license to any other intellectual 7# property including but not limited to intellectual property relating 8# to a hardware implementation of the functionality of the software 9# licensed hereunder. You may use the software subject to the license 10# terms below provided that you ensure that this notice is replicated 11# unmodified and in its entirety in all distributions of the software, 12# modified or unmodified, in source code or in binary form. 13# 14# Redistribution and use in source and binary forms, with or without 15# modification, are permitted provided that the following conditions are 16# met: redistributions of source code must retain the above copyright 17# notice, this list of conditions and the following disclaimer; 18# redistributions in binary form must reproduce the above copyright 19# notice, this list of conditions and the following disclaimer in the 20# documentation and/or other materials provided with the distribution; 21# neither the name of the copyright holders nor the names of its 22# contributors may be used to endorse or promote products derived from 23# this software without specific prior written permission. 24# 25# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 26# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 27# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 28# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 29# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 30# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 31# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 32# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 33# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 34# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 35# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 36# 37# Authors: Gabe Black 38 39microcode = ''' 40def macroop CMPXCHG_R_R { 41 sub t0, rax, reg, flags=(OF, SF, ZF, AF, PF, CF) 42 mov reg, reg, regm, flags=(CZF,) 43 mov rax, rax, reg, flags=(nCZF,) 44}; 45 46def macroop CMPXCHG_M_R { 47 ldst t1, seg, sib, disp 48 sub t0, rax, t1, flags=(OF, SF, ZF, AF, PF, CF) 49 50 mov t1, t1, reg, flags=(CZF,) 51 st t1, seg, sib, disp 52 mov rax, rax, t1, flags=(nCZF,) 53}; 54 55def macroop CMPXCHG_P_R { 56 rdip t7 57 ldst t1, seg, riprel, disp 58 sub t0, rax, t1, flags=(OF, SF, ZF, AF, PF, CF) 59 60 mov t1, t1, reg, flags=(CZF,) 61 st t1, seg, riprel, disp 62 mov rax, rax, t1, flags=(nCZF,) 63}; 64 65def macroop CMPXCHG_LOCKED_M_R { 66 mfence 67 ldstl t1, seg, sib, disp 68 sub t0, rax, t1, flags=(OF, SF, ZF, AF, PF, CF) 69 70 mov t1, t1, reg, flags=(CZF,) 71 stul t1, seg, sib, disp 72 mfence 73 mov rax, rax, t1, flags=(nCZF,) 74}; 75 76def macroop CMPXCHG_LOCKED_P_R { 77 rdip t7 78 mfence 79 ldstl t1, seg, riprel, disp 80 sub t0, rax, t1, flags=(OF, SF, ZF, AF, PF, CF) 81 82 mov t1, t1, reg, flags=(CZF,) 83 stul t1, seg, riprel, disp 84 mfence 85 mov rax, rax, t1, flags=(nCZF,) 86}; 87 88def macroop XADD_M_R { 89 ldst t1, seg, sib, disp 90 add t2, t1, reg, flags=(OF,SF,ZF,AF,PF,CF) 91 st t2, seg, sib, disp 92 mov reg, reg, t1 93}; 94 95def macroop XADD_P_R { 96 rdip t7 97 ldst t1, seg, riprel, disp 98 add t2, t1, reg, flags=(OF,SF,ZF,AF,PF,CF) 99 st t2, seg, riprel, disp 100 mov reg, reg, t1 101}; 102 103def macroop XADD_LOCKED_M_R { 104 mfence 105 ldstl t1, seg, sib, disp 106 add t2, t1, reg, flags=(OF,SF,ZF,AF,PF,CF) 107 stul t2, seg, sib, disp 108 mfence 109 mov reg, reg, t1 110}; 111 112def macroop XADD_LOCKED_P_R { 113 rdip t7 114 mfence 115 ldstl t1, seg, riprel, disp 116 add t2, t1, reg, flags=(OF,SF,ZF,AF,PF,CF) 117 stul t2, seg, riprel, disp 118 mfence 119 mov reg, reg, t1 120}; 121 122def macroop XADD_R_R { 123 add t2, regm, reg, flags=(OF,SF,ZF,AF,PF,CF) 124 mov regm, regm, reg 125 mov reg, reg, t2 126}; 127 128''' 129
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