3rd-party/linux-kernel-module-cheat
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start simple integration to test dp650

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Not yet merged on gem5 mailine, review published at:
https://gem5-review.googlesource.com/c/public/gem5/+/11036/1
This commit is contained in:
Ciro Santilli 六四事件 法轮功
2018-12-04 00:00:00 +00:00
parent aefe11ab17
commit bc9e348a44
3 changed files with 19 additions and 13 deletions
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1
README.adoc
View File

@@ -3560,6 +3560,7 @@ Tested on: link:http://github.com/cirosantilli/linux-kernel-module-cheat/commit/
For `aarch64` we also need to configure the kernel with link:linux_config/display[]:
....
git -C "$(./getvar linux_src_dir)" fetch https://gem5.googlesource.com/arm/linux gem5/v4.15:gem5/v4.15
git -C "$(./getvar linux_src_dir)" checkout gem5/v4.15
./build-linux \
--arch aarch64 \

25
common.py
View File

@@ -305,6 +305,9 @@ inside baremetal/ and then try to use corresponding executable.
Use the docker download Ubuntu root filesystem instead of the default Buildroot one.
'''
)
parser.add_argument(
'--dp650', default=False, action='store_true'
)
parser.add_argument(
'-L', '--linux-build-id', default=default_build_id,
help='Linux build ID. Allows you to keep multiple separate Linux builds. Default: %(default)s'
@@ -737,12 +740,6 @@ def setup(parser):
common.buildroot_toolchain_prefix = 'arm-buildroot-linux-uclibcgnueabihf'
common.crosstool_ng_toolchain_prefix = 'arm-unknown-eabi'
common.ubuntu_toolchain_prefix = 'arm-linux-gnueabihf'
if common.emulator == 'gem5':
if common.machine is None:
common.machine = 'VExpress_GEM5_V1'
else:
if common.machine is None:
common.machine = 'virt'
common.is_arm = True
elif args.arch == 'aarch64':
common.armv = 8
@@ -751,12 +748,6 @@ def setup(parser):
common.buildroot_toolchain_prefix = 'aarch64-buildroot-linux-uclibc'
common.crosstool_ng_toolchain_prefix = 'aarch64-unknown-elf'
common.ubuntu_toolchain_prefix = 'aarch64-linux-gnu'
if common.emulator == 'gem5':
if common.machine is None:
common.machine = 'VExpress_GEM5_V1'
else:
if common.machine is None:
common.machine = 'virt'
common.is_arm = True
elif args.arch == 'x86_64':
common.crosstool_ng_toolchain_prefix = 'x86_64-unknown-elf'
@@ -769,6 +760,16 @@ def setup(parser):
else:
if common.machine is None:
common.machine = 'pc'
if is_arm:
if common.emulator == 'gem5':
if common.machine is None:
if args.dp650:
common.machine = 'VExpress_GEM5_V1_DPU'
else:
common.machine = 'VExpress_GEM5_V1'
else:
if common.machine is None:
common.machine = 'virt'
common.buildroot_out_dir = os.path.join(common.out_dir, 'buildroot')
common.buildroot_build_dir = os.path.join(common.buildroot_out_dir, 'build', args.buildroot_build_id, args.arch)
common.buildroot_download_dir = os.path.join(common.buildroot_out_dir, 'download')

6
run
View File

@@ -192,11 +192,15 @@ def main(args, extra_args=None):
elif common.is_arm:
if args.kvm:
cmd.extend(['--cpu-type', 'ArmV8KvmCPU', common.Newline])
if args.dp650:
dp650_cmd = 'dpu_'
else:
dp650_cmd = ''
cmd.extend([
# TODO why is it mandatory to pass mem= here? Not true for QEMU.
# Anything smaller than physical blows up as expected, but why can't it auto-detect the right value?
'--command-line', 'earlyprintk=pl011,0x1c090000 lpj=19988480 rw loglevel=8 mem={} root=/dev/sda {}'.format(memory, kernel_cli), common.Newline,
'--dtb-filename', os.path.join(common.gem5_system_dir, 'arm', 'dt', 'armv{}_gem5_v1_{}cpu.dtb'.format(common.armv, args.cpus)), common.Newline,
'--dtb-filename', os.path.join(common.gem5_system_dir, 'arm', 'dt', 'armv{}_gem5_v1_{}{}cpu.dtb'.format(common.armv, dp650_cmd, args.cpus)), common.Newline,
'--machine-type', common.machine, common.Newline,
])
if common.baremetal is None: