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6d5f631c5cc35e3aa3c50c6ede41dbdca93c87f2
gem5/util/gen_arm_fs_files.py
Giacomo Travaglini 6d5f631c5c util: Change gen_arm_fs_files.py to allow selective compilation 
With the -b/--fs-binaries option it is possible to specify a list
of fs binaries to be fetched/compiled.

Change-Id: I12a642f65b74e8606c82cdddcbc3a8172bad2381
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/32554
Reviewed-by: Richard Cooper <richard.cooper@arm.com>
Maintainer: Gabe Black <gabeblack@google.com>
Tested-by: kokoro <noreply+kokoro@google.com>
2020-08-15 13:09:17 +00:00

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#!/usr/bin/env python2.7
# Copyright (c) 2017-2018 Metempsy Technology Consulting
# 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 the copyright holders 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 AND 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.
from optparse import OptionParser
from subprocess import call
from platform import machine
from distutils import spawn
from glob import glob
import sys
import os
def run_cmd(explanation, working_dir, cmd, stdout = None):
print "Running phase '%s'" % explanation
sys.stdout.flush()
# some of the commands need $PWD to be properly set
env = os.environ.copy()
env['PWD'] = working_dir
return_code = call(cmd, cwd = working_dir, stdout = stdout,
env = env)
if return_code == 0:
return
print "Error running phase %s. Returncode: %d" % (explanation, return_code)
sys.exit(1)
def linux_clone():
kernel_vexpress_gem5_dir = os.path.join(
options.dest_dir, "linux-kernel-vexpress_gem5")
run_cmd("clone linux kernel for VExpress_GEM5_V1 platform",
options.dest_dir,
["git", "clone", "https://gem5.googlesource.com/arm/linux",
kernel_vexpress_gem5_dir])
def linux64():
kernel_vexpress_gem5_dir = os.path.join(
options.dest_dir, "linux-kernel-vexpress_gem5")
linux_bin = os.path.join(
binaries_dir, "vmlinux.vexpress_gem5_v1_64")
with open(revisions_dir + "/linux", "w+") as rev_file:
run_cmd("write revision of linux-kernel-vexpress_gem5 repo",
kernel_vexpress_gem5_dir,
["git", "rev-parse", "--short", "HEAD"],
rev_file)
run_cmd("configure kernel for arm64",
kernel_vexpress_gem5_dir,
["make", "ARCH=arm64", "CROSS_COMPILE=aarch64-linux-gnu-",
"gem5_defconfig", make_jobs_str])
run_cmd("compile kernel for arm64",
kernel_vexpress_gem5_dir,
["make", "ARCH=arm64", "CROSS_COMPILE=aarch64-linux-gnu-",
make_jobs_str])
run_cmd("copy arm64 vmlinux",
kernel_vexpress_gem5_dir,
["cp", "vmlinux", linux_bin])
run_cmd("cleanup arm64 kernel compilation",
kernel_vexpress_gem5_dir,
["make", "distclean"])
def linux32():
kernel_vexpress_gem5_dir = os.path.join(
options.dest_dir, "linux-kernel-vexpress_gem5")
linux_bin = os.path.join(
binaries_dir, "vmlinux.vexpress_gem5_v1")
run_cmd("configure kernel for arm",
kernel_vexpress_gem5_dir,
["make", "ARCH=arm", "CROSS_COMPILE=arm-linux-gnueabihf-",
"gem5_defconfig"])
run_cmd("compile kernel for arm",
kernel_vexpress_gem5_dir,
["make", "ARCH=arm", "CROSS_COMPILE=arm-linux-gnueabihf-",
make_jobs_str])
run_cmd("copy arm vmlinux",
kernel_vexpress_gem5_dir,
["cp", "vmlinux", linux_bin])
def linux():
"""
Checkout and build linux kernel for VExpress_GEM5_V1 (arm and arm64)
"""
linux_clone()
linux64()
linux32()
def linux_legacy():
"""
Checkout and build linux kernel and DTB for VExpress_EMM64/EMM
"""
kernel_vexpress_emm64_dir = os.path.join(options.dest_dir,
"linux-kernel-vexpress_emm64")
run_cmd("clone linux kernel for VExpress_EMM64 platform",
options.dest_dir,
["git", "clone", "https://gem5.googlesource.com/arm/linux-arm64-legacy",
kernel_vexpress_emm64_dir])
with open(revisions_dir + "/linux-arm64-legacy", "w+") as rev_file:
run_cmd("write revision of linux-kernel-vexpress_emm64 repo",
kernel_vexpress_emm64_dir,
["git", "rev-parse", "--short", "HEAD"],
rev_file)
run_cmd("configure kernel",
kernel_vexpress_emm64_dir,
["make", "ARCH=arm64", "CROSS_COMPILE=aarch64-linux-gnu-",
"CC=aarch64-linux-gnu-gcc-4.8", "gem5_defconfig"])
run_cmd("compile kernel",
kernel_vexpress_emm64_dir,
["make", "ARCH=arm64", "CROSS_COMPILE=aarch64-linux-gnu-",
"CC=aarch64-linux-gnu-gcc-4.8", make_jobs_str])
run_cmd("copy vmlinux",
kernel_vexpress_emm64_dir,
["cp", "vmlinux", binaries_dir + "/vmlinux.vexpress_emm64"])
run_cmd("copy DTB",
kernel_vexpress_emm64_dir,
["cp", "arch/arm64/boot/dts/aarch64_gem5_server.dtb", binaries_dir])
kernel_vexpress_emm_dir = options.dest_dir + "/linux-kernel-vexpress_emm"
run_cmd("clone linux kernel for VExpress_EMM platform",
options.dest_dir,
["git", "clone", "https://gem5.googlesource.com/arm/linux-arm-legacy",
kernel_vexpress_emm_dir])
with open(revisions_dir + "/linux-arm-legacy", "w+") as rev_file:
run_cmd("write revision of linux-kernel-vexpress_emm64 repo",
kernel_vexpress_emm_dir,
["git", "rev-parse", "--short", "HEAD"],
rev_file)
run_cmd("configure kernel",
kernel_vexpress_emm_dir,
["make", "ARCH=arm", "CROSS_COMPILE=arm-linux-gnueabihf-",
"CC=arm-linux-gnueabihf-gcc-4.8", "vexpress_gem5_server_defconfig"])
run_cmd("compile kernel",
kernel_vexpress_emm_dir,
["make", "ARCH=arm", "CROSS_COMPILE=arm-linux-gnueabihf-",
"CC=arm-linux-gnueabihf-gcc-4.8", make_jobs_str])
run_cmd("copy vmlinux",
kernel_vexpress_emm_dir,
["cp", "vmlinux", binaries_dir + "/vmlinux.vexpress_emm"])
run_cmd("rename DTB for 1 CPU",
kernel_vexpress_emm_dir,
["cp", "arch/arm/boot/dts/vexpress-v2p-ca15-tc1-gem5.dtb",
binaries_dir + "/vexpress-v2p-ca15-tc1-gem5_1cpus.dtb"])
run_cmd("copy DTBs",
kernel_vexpress_emm_dir,
["cp"] + glob(kernel_vexpress_emm_dir + "/arch/arm/boot/dts/*gem5_*dtb") +
[binaries_dir])
def dtbs():
"""
Build DTBs for VExpress_GEM5_V1
"""
dt_dir = gem5_dir + "/system/arm/dt"
run_cmd("compile DTBs for VExpress_GEM5_V1 platform",
dt_dir,
["make", make_jobs_str])
run_cmd("copy DTBs",
dt_dir,
["cp"] + glob(dt_dir + "/*dtb") + [binaries_dir])
def bootloaders():
"""
Build bootloaders arm64/arm
"""
bootloader_arm64_dir = gem5_dir + "/system/arm/bootloader/arm64"
run_cmd("compile arm64 bootloader",
bootloader_arm64_dir,
["make"])
run_cmd("copy arm64 bootloader",
bootloader_arm64_dir,
["cp", "boot.arm64", "boot_emm.arm64", "boot_v2.arm64", binaries_dir])
bootloader_arm_dir = gem5_dir + "/system/arm/bootloader/arm"
run_cmd("compile arm bootloader",
bootloader_arm_dir,
["make"])
run_cmd("copy arm bootloaders",
bootloader_arm_dir,
["cp", "boot.arm", "boot_emm.arm", binaries_dir])
def m5():
"""
Build m5 binaries
"""
m5_dir = gem5_dir + "/util/m5"
run_cmd("compile arm64 m5",
m5_dir,
["make", "-f", "Makefile.aarch64"])
run_cmd("copy arm64 m5",
m5_dir,
["cp", "m5", binaries_dir + "/m5.aarch64"])
run_cmd("clean arm64 m5",
m5_dir,
["make", "clean", "-f", "Makefile.aarch64"])
run_cmd("compile arm m5",
m5_dir,
["make", "-f", "Makefile.arm"])
run_cmd("copy arm m5",
m5_dir,
["cp", "m5", binaries_dir + "/m5.aarch32"])
script_dir = os.path.dirname(os.path.abspath(sys.argv[0]))
gem5_dir = os.path.dirname(script_dir)
all_binaries = {
"linux" : linux,
"linux-legacy" : linux_legacy,
"dtbs" : dtbs,
"bootloaders" : bootloaders,
"m5" : m5,
}
parser = OptionParser()
parser.add_option("--gem5-dir", default = gem5_dir,
metavar = "GEM5_DIR",
help = "gem5 root directory to be used for bootloader and "
"VExpress_GEM5_V1 DTB sources. The default value is the gem5 root "
"directory of the executed script (%default)")
parser.add_option("--dest-dir", default = "/tmp",
metavar = "DEST_DIR",
help = "Directory to use for checking out the different kernel "
"repositories. Generated files will be copied to "
"DEST_DIR/binaries (which must not exist). The default "
"value is %default")
parser.add_option("--make-jobs", type = "int", default = 1,
metavar = "MAKE_JOBS",
help = "Number of jobs to use with the 'make' commands. Default value: "
"%default")
parser.add_option("-b", "--fs-binaries", action="append",
choices=all_binaries.keys(), default=[],
help = "List of FS files to be generated. Defaulting to all")
(options, args) = parser.parse_args()
if args:
print "Unrecognized argument(s) %s." % args
sys.exit(1)
if not os.path.isdir(options.dest_dir):
print "Error: %s is not a directory." % options.dest_dir
sys.exit(1)
if not os.path.isdir(options.gem5_dir):
print "Error: %s is not a directory." % options.gem5_dir
sys.exit(1)
if machine() != "x86_64":
print "Error: This script should run in a x86_64 machine"
sys.exit(1)
binaries_dir = options.dest_dir + "/binaries"
if os.path.exists(binaries_dir):
print "Error: %s already exists." % binaries_dir
sys.exit(1)
revisions_dir = options.dest_dir + "/revisions"
if os.path.exists(revisions_dir):
print "Error: %s already exists." %revisions_dir
sys.exit(1)
# Some basic dependency checking
needed_programs = [
"make",
"aarch64-linux-gnu-gcc",
"arm-linux-gnueabihf-gcc",
"aarch64-linux-gnu-gcc-4.8",
"arm-linux-gnueabihf-gcc-4.8",
"gcc",
"bc",
"dtc",
"arm-linux-gnueabi-gcc"
]
for program in needed_programs:
if not spawn.find_executable(program):
print "Error: command %s not found in $PATH" % program
print ("If running on an Debian-based linux, please try the following "
"cmd to get all the necessary packages: ")
print ("sudo apt-get install -y make gcc bc gcc-aarch64-linux-gnu "
"gcc-4.8-aarch64-linux-gnu gcc-4.8-arm-linux-gnueabihf "
"gcc-arm-linux-gnueabihf device-tree-compiler "
"gcc-arm-linux-gnueabi")
sys.exit(1)
os.mkdir(binaries_dir);
os.mkdir(revisions_dir);
make_jobs_str = "-j" + str(options.make_jobs)
rev_file = open(revisions_dir + "/gem5", "w+")
run_cmd("write revision of gem5 repo",
gem5_dir,
["git", "rev-parse", "--short", "HEAD"],
rev_file)
rev_file.close()
binaries = options.fs_binaries if options.fs_binaries else all_binaries.keys()
for fs_binary in binaries:
all_binaries[fs_binary]()
print "Done! All the generated files can be found in %s" % binaries_dir
sys.exit(0)
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