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README.md

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Demo programs

Build instructions

# Spectre V1 -- bounds check bypass
g++ -O2 spectre_v1.cc cache_sidechannel.cc instr.cc -o spectre_v1
./spectre_v1

# Spectre V3 / Meltdown
g++ -O2 meltdown.cc cache_sidechannel.cc instr.cc -o meltdown
cd ../third_party/kmod
make
sudo insmod kernel_data.ko
cd ../../demos
sudo ./meltdown

# Spectre V4 -- speculative store bypass
g++ -O2 spectre_v4.cc cache_sidechannel.cc instr.cc -o spectre_v4
./spectre_v4

Tested environments

We currently test our changes on:

  • Linux - Intel Xeon Gold 6154 - {g++-6.4.0 - g++-8.0.1, clang-4.0 - clang-7}
  • Linux - {Intel Core i7-6700, AMD Ryzen 5 PRO 2400G} - {g++-5.4.0 - g+- +-9.1.0,
  • clang-6.0 - clang-8}
  • Linux - Intel Core2 Quad - g++-8.1.1
  • Linux - Intel XeonE5-2670 - g++-4.8.4
  • Linux - Intel Core i7-3520M - {g++-8.3.0, clang-6.0 - clang-7, - icc-19.0.4.243}
  • Windows 10 on Google Cloud - Intel Haswell - {MSVC2019 x86 release build,
  • MSVC2019 x64 release build}
  • MacOS - Intel Core i7-8750H - clang Apple LLVM 10.0.1
  • Linux - ARMv8 Cavium ThunderX2 T99 - g++-7.3.0
  • Linux - PowerPC POWER9 Boston 2.2 - g++-8.3.0