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CMakeLists.txt
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CMakeLists.txt
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cmake_minimum_required(VERSION 3.5)
project(keystone C)
include(ProcessorCount)
include(ExternalProject)
set(CMAKE_VERBOSE_MAKEFILE ON)
###############################################################################
## CONFIGURATION/VARIABLES
###############################################################################
set(USE_RUST_SM FALSE CACHE BOOL "Use Rust version of the security monitor.")
set(SM_CONFIGURE_ARGS --enable-opt=2 CACHE STRING "Security Monitor configure script arguments")
set(SM_PLATFORM "generic" CACHE STRING "Board name for SM hardware-specific functions")
set(platform ${SM_PLATFORM})
message(STATUS "platform=${platform}")
set(LINUX_SIFIVE FALSE CACHE BOOL "Build linux for sifive")
set(sifive ${LINUX_SIFIVE})
message(STATUS "sifive=${sifive}")
if((CMAKE_BUILD_TYPE MATCHES "Debug") OR (CMAKE_BUILD_TYPE MATCHES "RelWithDebInfo"))
message(STATUS "Using debug symbols")
set(CFLAGS -g)
endif()
set(RISCV32 OFF CACHE BOOL "Build in 32-bit mode")
if(RISCV32)
message(STATUS "riscv32")
set(BITS 32)
set(ABI ilp32d)
else()
message(STATUS "riscv64")
set(BITS 64)
set(ABI lp64d)
endif()
set(ISA rv${BITS}imafdc)
set(confdir ${CMAKE_SOURCE_DIR}/overlays/keystone/configs)
set(patchdir ${CMAKE_SOURCE_DIR}/overlays/keystone/patches)
set(cross_compile riscv${BITS}-buildroot-linux-gnu-)
set(sm_srcdir ${CMAKE_SOURCE_DIR}/sm)
set(buildroot_srcdir ${CMAKE_SOURCE_DIR}/buildroot)
set(buildroot_wrkdir ${CMAKE_BINARY_DIR}/buildroot.build)
set(buildroot_config ${confdir}/qemu_riscv${BITS}_virt_defconfig)
set(overlay_dir ${CMAKE_BINARY_DIR}/overlay)
set(overlay_root ${overlay_dir}/root)
set(external_dir ${CMAKE_SOURCE_DIR}/overlays)
set(toolchain_dir ${buildroot_wrkdir}/per-package/host-gcc-final/host/bin)
set(bootrom_srcdir ${CMAKE_SOURCE_DIR}/bootrom)
set(bootrom_wrkdir ${buildroot_wrkdir}/images/)
set(KEYSTONE_SDK_DIR ${buildroot_wrkdir}/host/usr/share/keystone/sdk)
if(firesim)
message(STATUS "Firesim configs and patches")
set(buildroot_config ${confdir}/riscv${BITS}_firesim_defconfig)
elseif(sifive)
message(STATUS "SiFive Unleashed configs and patches")
set(buildroot_config ${confdir}/riscv${BITS}_sifive_defconfig)
elseif(cva6)
message(STATUS "CVA6 configs and patches")
set(buildroot_config ${confdir}/riscv${BITS}_cva6_defconfig)
endif()
set(linux_image ${buildroot_wrkdir}/images/Image)
set(driver_srcdir ${CMAKE_SOURCE_DIR}/linux-keystone-driver)
set(fw_elf ${buildroot_wrkdir}/images/fw_jump.elf)
set(fw_bin ${buildroot_wrkdir}/images/fw_jump.bin)
set(initramfs_sysroot ${CMAKE_BINARY_DIR}/initramfs-sysroot)
set(sdk_srcdir ${CMAKE_SOURCE_DIR}/sdk)
set(runtime_srcdir ${CMAKE_SOURCE_DIR}/runtime)
set(example_srcdir ${CMAKE_SOURCE_DIR}/examples)
###############################################################################
## COMPONENT: buildroot
###############################################################################
add_custom_command(OUTPUT ${overlay_dir} COMMAND mkdir -p ${overlay_dir})
add_custom_command(DEPENDS ${overlay_dir}
OUTPUT ${overlay_root}
${overlay_root}/.ssh/id_rsa ${overlay_root}/.ssh/id_rsa.pub
${overlay_root}/.ssh/authorized_keys
COMMAND mkdir -p ${overlay_root}
COMMAND mkdir -p ${overlay_root}/.ssh
COMMAND ssh-keygen -C 'root@keystone' -t rsa -f ${overlay_root}/.ssh/id_rsa -N ''
COMMAND cp ${overlay_root}/.ssh/id_rsa.pub ${overlay_root}/.ssh/authorized_keys)
add_custom_command(OUTPUT ${buildroot_wrkdir} COMMAND mkdir -p ${buildroot_wrkdir})
add_custom_target("buildroot" ALL DEPENDS ${buildroot_srcdir} ${buildroot_wrkdir}/.config ${overlay_root} ${buildroot_wrkdir} "buildroot_toolchain"
COMMAND $(MAKE) -s -C ${buildroot_srcdir} O=${buildroot_wrkdir} BR2_EXTERNAL=${external_dir}/keystone
KEYSTONE_BOOTROM=${bootrom_srcdir} KEYSTONE_DRIVER=${driver_srcdir} KEYSTONE_SM=${sm_srcdir} KEYSTONE_SDK=${sdk_srcdir} KEYSTONE_EXAMPLES=${example_srcdir} KEYSTONE_RUNTIME=${runtime_srcdir}
COMMENT "Building buildroot"
)
add_custom_target("buildroot_toolchain" ALL DEPENDS ${buildroot_srcdir} ${buildroot_wrkdir}/.config
COMMAND $(MAKE) -s -C ${buildroot_srcdir} O=${buildroot_wrkdir} BR2_EXTERNAL=${external_dir}/keystone
KEYSTONE_BOOTROM=${bootrom_srcdir} KEYSTONE_DRIVER=${driver_srcdir} KEYSTONE_SM=${sm_srcdir} KEYSTONE_SDK=${sdk_srcdir} KEYSTONE_EXAMPLES=${example_srcdir} KEYSTONE_RUNTIME=${runtime_srcdir} toolchain
COMMENT "Building buildroot toolchain"
)
string(REPLACE "/" "\\/" overlay_dir_stripped ${overlay_dir})
add_custom_command(DEPENDS ${buildroot_config} OUTPUT ${buildroot_wrkdir}/.config
COMMAND mkdir -p ${buildroot_wrkdir}
COMMAND cp ${buildroot_config} ${buildroot_wrkdir}/.config
COMMAND sed \"s/^BR2_ROOTFS_OVERLAY=.*/BR2_ROOTFS_OVERLAY=\\\"${overlay_dir_stripped}\\\"/g\" -i ${buildroot_wrkdir}/.config
COMMAND $(MAKE) -s -C ${buildroot_srcdir} O=${buildroot_wrkdir} BR2_EXTERNAL=${external_dir}/keystone olddefconfig
COMMENT "Configuring buildroot (overlay = ${overlay_dir})"
)
###############################################################################
## QEMU scripts
###############################################################################
set(scripts ${CMAKE_BINARY_DIR}/scripts)
set(qemu_system ${buildroot_wrkdir}/host/bin//qemu-system-riscv${BITS})
add_custom_command(OUTPUT ${scripts} COMMAND mkdir -p ${scripts})
# if initramfs is false, we need to tell qemu where to find the block device
if(initramfs)
set(extra_qemu_options "")
else()
set(extra_qemu_options "\
-append \"console=ttyS0 ro root=/dev/vda\" \
-drive file=${buildroot_wrkdir}/images/rootfs.ext2,format=raw,id=hd0 \
-device virtio-blk-device,drive=hd0 \
")
endif()
# generate the qemu runscript, using the above options
string(RANDOM LENGTH 4 ALPHABET 0123456789 qemu_ssh_port)
math(EXPR qemu_ssh_port "3000 + ${qemu_ssh_port}%3000")
configure_file(
${CMAKE_SOURCE_DIR}/scripts/run-qemu.sh.in
${scripts}/run-qemu.sh
@ONLY)
configure_file(
${CMAKE_SOURCE_DIR}/scripts/test-qemu.sh.in
${scripts}/test-qemu.sh
@ONLY)
add_custom_command(OUTPUT ${scripts}/travis.sh
DEPENDS ${CMAKE_SOURCE_DIR}/scripts ${scripts}
COMMAND cp ${CMAKE_SOURCE_DIR}/scripts/travis.sh ${scripts})
add_custom_command(OUTPUT ${scripts}/gdb.sh
DEPENDS ${CMAKE_SOURCE_DIR}/scripts ${scripts}
COMMAND cp ${CMAKE_SOURCE_DIR}/scripts/gdb.sh ${scripts})
add_custom_target(
"tools" ALL
DEPENDS ${scripts} ${scripts}/run-qemu.sh ${scripts}/test-qemu.sh
${scripts}/travis.sh ${scripts}/gdb.sh
COMMENT "Generating scripts and tools"
)
add_custom_target(
"run-tests"
DEPENDS "buildroot" "tools" "image" "${fw_bin}"
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
COMMAND
./scripts/travis.sh ${CMAKE_SOURCE_DIR}/tests
COMMENT "Running tests"
)