1// Copyright 2013, 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 "a64/simulator-a64.h"
28#include "a64/macro-assembler-a64.h"
29
30#define BUF_SIZE (4096)
31#define __ masm->
32
33using namespace vixl;
34
35void 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
44int main() {
45  byte assm_buf[BUF_SIZE];
46  MacroAssembler masm(assm_buf, BUF_SIZE);
47  Decoder decoder;
48  Simulator simulator(&decoder);
49
50  Label demo_function;
51  masm.Bind(&demo_function);
52  GenerateDemoFunction(&masm);
53  masm.FinalizeCode();
54
55  simulator.set_xreg(0, 0x8899aabbccddeeff);
56  simulator.RunFrom(demo_function.target());
57  printf("x0 = %" PRIx64 "\n", simulator.xreg(0));
58
59  return 0;
60}
61#endif
62