1 // Copyright 2014, ARM Limited 2 // 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 // * Redistributions of source code must retain the above copyright notice, 8 // this list of conditions and the following disclaimer. 9 // * Redistributions in binary form must reproduce the above copyright notice, 10 // this list of conditions and the following disclaimer in the documentation 11 // and/or other materials provided with the distribution. 12 // * Neither the name of ARM Limited nor the names of its contributors may be 13 // used to endorse or promote products derived from this software without 14 // specific prior written permission. 15 // 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS CONTRIBUTORS "AS IS" AND 17 // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 19 // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE 20 // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 22 // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 23 // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 27 #include "vixl/a64/simulator-a64.h" 28 #include "vixl/a64/macro-assembler-a64.h" 29 30 #define BUF_SIZE (4096) 31 #define __ masm-> 32 33 using namespace vixl; 34 35 void GenerateDemoFunction(MacroAssembler *masm) { 36 // uint64_t demo_function(uint64_t x) 37 __ Ldr(x1, 0x1122334455667788); 38 __ And(x0, x0, x1); 39 __ Ret(); 40 } 41 42 43 #ifndef TEST_EXAMPLES 44 #ifdef USE_SIMULATOR 45 int main() { 46 byte assm_buf[BUF_SIZE]; 47 MacroAssembler masm(assm_buf, BUF_SIZE); 48 Decoder decoder; 49 Simulator simulator(&decoder); 50 51 Label demo_function; 52 masm.Bind(&demo_function); 53 GenerateDemoFunction(&masm); 54 masm.FinalizeCode(); 55 56 simulator.set_xreg(0, 0x8899aabbccddeeff); 57 simulator.RunFrom(masm.GetLabelAddress<Instruction*>(&demo_function)); 58 printf("x0 = %" PRIx64 "\n", simulator.xreg(0)); 59 60 return 0; 61 } 62 #else 63 // Without the simulator there is nothing to test. 64 int main(void) { return 0; } 65 #endif // USE_SIMULATOR 66 #endif // TEST_EXAMPLES 67
