vixl/examples/getting-started.cc
armvixl 0f35e36b7f VIXL Release 1.13
Refer to the README.md and LICENCE files for details.

Change-Id: I922914f4e7da7cb939a8054cded11feb9ea51a86
2016-05-13 15:06:20 +01:00

67 lines
2.4 KiB
C++

// Copyright 2014, ARM Limited
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of ARM Limited nor the names of its contributors may be
// used to endorse or promote products derived from this software without
// specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "vixl/a64/simulator-a64.h"
#include "vixl/a64/macro-assembler-a64.h"
#define BUF_SIZE (4096)
#define __ masm->
using namespace vixl;
void GenerateDemoFunction(MacroAssembler *masm) {
// uint64_t demo_function(uint64_t x)
__ Ldr(x1, 0x1122334455667788);
__ And(x0, x0, x1);
__ Ret();
}
#ifndef TEST_EXAMPLES
#ifdef VIXL_INCLUDE_SIMULATOR
int main() {
byte assm_buf[BUF_SIZE];
MacroAssembler masm(assm_buf, BUF_SIZE);
Decoder decoder;
Simulator simulator(&decoder);
Label demo_function;
masm.Bind(&demo_function);
GenerateDemoFunction(&masm);
masm.FinalizeCode();
simulator.set_xreg(0, 0x8899aabbccddeeff);
simulator.RunFrom(masm.GetLabelAddress<Instruction *>(&demo_function));
printf("x0 = %" PRIx64 "\n", simulator.xreg(0));
return 0;
}
#else
// Without the simulator there is nothing to test.
int main(void) { return 0; }
#endif // VIXL_INCLUDE_SIMULATOR
#endif // TEST_EXAMPLES