cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
Log | Files | Refs | Submodules | LICENSE | sfeed.txt

build-toolchain.sh (4144B)

      1#!/bin/bash
      2
      3set -e
      4
      5BASE=$(readlink -f ${PWD})
      6
      7TOOLCHAIN_INSTALL=$(readlink -f "$TOOLCHAIN_INSTALL")
      8ROOTFS=$(readlink -f "$ROOTFS")
      9
     10TOOLCHAIN_BIN=${TOOLCHAIN_INSTALL}/bin
     11HEX_SYSROOT=${TOOLCHAIN_INSTALL}/hexagon-unknown-linux-musl
     12HEX_TOOLS_TARGET_BASE=${HEX_SYSROOT}/usr
     13
     14function cdp() {
     15  DIR="$1"
     16  mkdir -p "$DIR"
     17  cd "$DIR"
     18}
     19
     20function fetch() {
     21  DIR="$1"
     22  URL="$2"
     23  TEMP="$(readlink -f "$PWD/tmp.tar.gz")"
     24  wget --quiet "$URL" -O "$TEMP"
     25  cdp "$DIR"
     26  tar xaf "$TEMP" --strip-components=1
     27  rm "$TEMP"
     28  cd -
     29}
     30
     31build_llvm_clang() {
     32  fetch "$BASE/llvm-project" "$LLVM_URL"
     33  cdp "$BASE/build-llvm"
     34
     35  cmake -G Ninja \
     36    -DCMAKE_BUILD_TYPE=Release \
     37    -DCMAKE_INSTALL_PREFIX=${TOOLCHAIN_INSTALL} \
     38    -DLLVM_ENABLE_LLD=ON \
     39    -DLLVM_TARGETS_TO_BUILD="Hexagon" \
     40    -DLLVM_ENABLE_PROJECTS="clang;lld" \
     41    "$BASE/llvm-project/llvm"
     42  ninja all install
     43  cd ${TOOLCHAIN_BIN}
     44  ln -sf clang hexagon-unknown-linux-musl-clang
     45  ln -sf clang++ hexagon-unknown-linux-musl-clang++
     46  ln -sf llvm-ar hexagon-unknown-linux-musl-ar
     47  ln -sf llvm-objdump hexagon-unknown-linux-musl-objdump
     48  ln -sf llvm-objcopy hexagon-unknown-linux-musl-objcopy
     49  ln -sf llvm-readelf hexagon-unknown-linux-musl-readelf
     50  ln -sf llvm-ranlib hexagon-unknown-linux-musl-ranlib
     51
     52  # workaround for now:
     53  cat <<EOF > hexagon-unknown-linux-musl.cfg
     54-G0 --sysroot=${HEX_SYSROOT}
     55EOF
     56}
     57
     58build_clang_rt() {
     59  cdp "$BASE/build-clang_rt"
     60  cmake -G Ninja \
     61    -DCMAKE_BUILD_TYPE=Release \
     62    -DLLVM_CONFIG_PATH="$BASE/build-llvm/bin/llvm-config" \
     63    -DCMAKE_ASM_FLAGS="-G0 -mlong-calls -fno-pic --target=hexagon-unknown-linux-musl " \
     64    -DCMAKE_SYSTEM_NAME=Linux \
     65    -DCMAKE_C_COMPILER="${TOOLCHAIN_BIN}/hexagon-unknown-linux-musl-clang" \
     66    -DCMAKE_ASM_COMPILER="${TOOLCHAIN_BIN}/hexagon-unknown-linux-musl-clang" \
     67    -DCMAKE_INSTALL_PREFIX=${HEX_TOOLS_TARGET_BASE} \
     68    -DCMAKE_CROSSCOMPILING=ON \
     69    -DCMAKE_C_COMPILER_FORCED=ON \
     70    -DCMAKE_CXX_COMPILER_FORCED=ON \
     71    -DCOMPILER_RT_BUILD_BUILTINS=ON \
     72    -DCOMPILER_RT_BUILTINS_ENABLE_PIC=OFF \
     73    -DCMAKE_SIZEOF_VOID_P=4 \
     74    -DCOMPILER_RT_OS_DIR= \
     75    -DCAN_TARGET_hexagon=1 \
     76    -DCAN_TARGET_x86_64=0 \
     77    -DCOMPILER_RT_SUPPORTED_ARCH=hexagon \
     78    -DLLVM_ENABLE_PROJECTS="compiler-rt" \
     79    "$BASE/llvm-project/compiler-rt"
     80  ninja install-compiler-rt
     81}
     82
     83build_musl_headers() {
     84  fetch "$BASE/musl" "$MUSL_URL"
     85  cd "$BASE/musl"
     86  make clean
     87  CC=${TOOLCHAIN_BIN}/hexagon-unknown-linux-musl-clang \
     88    CROSS_COMPILE=hexagon-unknown-linux-musl \
     89    LIBCC=${HEX_TOOLS_TARGET_BASE}/lib/libclang_rt.builtins-hexagon.a \
     90    CROSS_CFLAGS="-G0 -O0 -mv65 -fno-builtin -fno-rounding-math --target=hexagon-unknown-linux-musl" \
     91    ./configure --target=hexagon --prefix=${HEX_TOOLS_TARGET_BASE}
     92  PATH=${TOOLCHAIN_BIN}:$PATH make CROSS_COMPILE= install-headers
     93
     94  cd ${HEX_SYSROOT}/..
     95  ln -sf hexagon-unknown-linux-musl hexagon
     96}
     97
     98build_kernel_headers() {
     99  fetch "$BASE/linux" "$LINUX_URL"
    100  mkdir -p "$BASE/build-linux"
    101  cd "$BASE/linux"
    102  make O=../build-linux ARCH=hexagon \
    103   KBUILD_CFLAGS_KERNEL="-mlong-calls" \
    104   CC=${TOOLCHAIN_BIN}/hexagon-unknown-linux-musl-clang \
    105   LD=${TOOLCHAIN_BIN}/ld.lld \
    106   KBUILD_VERBOSE=1 comet_defconfig
    107  make mrproper
    108
    109  cd "$BASE/build-linux"
    110  make \
    111    ARCH=hexagon \
    112    CC=${TOOLCHAIN_BIN}/clang \
    113    INSTALL_HDR_PATH=${HEX_TOOLS_TARGET_BASE} \
    114    V=1 \
    115    headers_install
    116}
    117
    118build_musl() {
    119  cd "$BASE/musl"
    120  make clean
    121  CROSS_COMPILE=hexagon-unknown-linux-musl- \
    122    AR=llvm-ar \
    123    RANLIB=llvm-ranlib \
    124    STRIP=llvm-strip \
    125    CC=clang \
    126    LIBCC=${HEX_TOOLS_TARGET_BASE}/lib/libclang_rt.builtins-hexagon.a \
    127    CFLAGS="-G0 -O0 -mv65 -fno-builtin -fno-rounding-math --target=hexagon-unknown-linux-musl" \
    128    ./configure --target=hexagon --prefix=${HEX_TOOLS_TARGET_BASE}
    129  PATH=${TOOLCHAIN_BIN}/:$PATH make CROSS_COMPILE= install
    130  cd ${HEX_TOOLS_TARGET_BASE}/lib
    131  ln -sf libc.so ld-musl-hexagon.so
    132  ln -sf ld-musl-hexagon.so ld-musl-hexagon.so.1
    133  cdp ${HEX_TOOLS_TARGET_BASE}/../lib
    134  ln -sf ../usr/lib/ld-musl-hexagon.so.1
    135}
    136
    137build_llvm_clang
    138build_kernel_headers
    139build_musl_headers
    140build_clang_rt
    141build_musl