1 // Copyright 2014, VIXL authors
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 "aarch64/macro-assembler-aarch64.h"
28 #include "aarch64/simulator-aarch64.h"
29
30 using namespace vixl;
31 using namespace vixl::aarch64;
32
33 #define __ masm->
34
35 using namespace vixl::aarch64;
36
GenerateDemoFunction(MacroAssembler * masm)37 void GenerateDemoFunction(MacroAssembler *masm) {
38 // uint64_t demo_function(uint64_t x)
39 __ Ldr(x1, 0x1122334455667788);
40 __ And(x0, x0, x1);
41 __ Ret();
42 }
43
44
45 #ifndef TEST_EXAMPLES
46 #ifdef VIXL_INCLUDE_SIMULATOR_AARCH64
main()47 int main() {
48 MacroAssembler masm;
49 Decoder decoder;
50 Simulator simulator(&decoder);
51
52 Label demo_function;
53 masm.Bind(&demo_function);
54 GenerateDemoFunction(&masm);
55 masm.FinalizeCode();
56
57 simulator.WriteXRegister(0, 0x8899aabbccddeeff);
58 simulator.RunFrom(masm.GetLabelAddress<Instruction *>(&demo_function));
59 printf("x0 = %" PRIx64 "\n", simulator.ReadXRegister(0));
60
61 return 0;
62 }
63 #else
64 // Without the simulator there is nothing to test.
main(void)65 int main(void) { return 0; }
66 #endif // VIXL_INCLUDE_SIMULATOR_AARCH64
67 #endif // TEST_EXAMPLES
68