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gem5: expose syscall emulation multiple executables

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Ciro Santilli 六四事件 法轮功
2020-04-29 03:00:02 +00:00
parent 939ce5668c
commit f5d4998ff5
3 changed files with 117 additions and 105 deletions
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15
common.py
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@@ -586,10 +586,15 @@ https://cirosantilli.com/linux-kernel-module-cheat#user-mode-static-executables
self.add_argument(
'-u',
'--userland',
action='append',
help='''\
Run the given userland executable in user mode instead of booting the Linux kernel
in full system mode. In gem5, user mode is called Syscall Emulation (SE) mode and
uses se.py. Path resolution is similar to --baremetal.
* https://cirosantilli.com/linux-kernel-module-cheat#userland-setup-getting-started
* https://cirosantilli.com/linux-kernel-module-cheat#gem5-syscall-emulation-mode
This option may be given multiple times only in gem5 syscall emulation:
https://cirosantilli.com/linux-kernel-module-cheat#gem5-syscall-emulation-multiple-executables
'''
)
self.add_argument(
@@ -848,14 +853,14 @@ Incompatible archs are skipped.
)
env['qemu_img_basename'] = 'qemu-img'
env['qemu_img_executable'] = join(env['qemu_build_dir'], env['qemu_img_basename'])
if env['userland'] is None:
if not env['userland']:
env['qemu_executable_basename'] = 'qemu-system-{}'.format(env['arch'])
else:
env['qemu_executable_basename'] = 'qemu-{}'.format(env['arch'])
if env['qemu_which'] == 'host':
env['qemu_executable'] = env['qemu_executable_basename']
else:
if env['userland'] is None:
if not env['userland']:
env['qemu_executable'] = join(
env['qemu_build_dir'],
'{}-softmmu'.format(env['arch']),
@@ -1160,8 +1165,8 @@ Incompatible archs are skipped.
if os.path.exists(source_path):
env['source_path'] = source_path
break
elif env['userland'] is not None:
env['image'] = self.resolve_userland_executable(env['userland'])
elif env['userland']:
env['image'] = self.resolve_userland_executable(env['userland'][0])
source_path_noext = os.path.splitext(join(
env['userland_source_dir'],
env['image'][len(env['userland_build_dir']) + 1:]
@@ -1458,7 +1463,7 @@ lunch aosp_{}-eng
continue
else:
raise Exception('native emulator only supported in if target arch == host arch')
if env['userland'] is None and not env['mode'] == 'userland':
if env['userland'] and not env['mode'] == 'userland':
if real_all_emulators:
continue
else: