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authorDavid Gow <[email protected]>2022-09-23 13:00:39 +0800
committerShuah Khan <[email protected]>2022-10-07 10:16:28 -0600
commit3c4fc7bf4c9e66fe71abcbf93f62f4ddb89b7f15 (patch)
treedfb4d266a0ff9003138dcf621cda477e22623804
parent185d57797c5ea82e941befc2489dba0cf162b9c4 (diff)
kunit: tool: Don't download risc-v opensbi firmware with wget
When running a RISC-V test kernel under QEMU, we need an OpenSBI BIOS file. In the original QEMU support patchset, kunit_tool would optionally download this file from GitHub if it didn't exist, using wget. These days, it can usually be found in the distro's qemu-system-riscv package, and is located in /usr/share/qemu on all the distros I tried (Debian, Arch, OpenSUSE). Use this file, and thereby don't do any downloading in kunit_tool. In addition, we used to shell out to whatever 'wget' was in the path, which could have potentially been used to trick the developer into running another binary. By not using wget at all, we nicely sidestep this issue. Cc: Xu Panda <[email protected]> Fixes: 87c9c1631788 ("kunit: tool: add support for QEMU") Reported-by: Zeal Robot <[email protected]> Signed-off-by: David Gow <[email protected]> Tested-by: Daniel Latypov <[email protected]> Reviewed-by: Brendan Higgins <[email protected]> Signed-off-by: Shuah Khan <[email protected]>
-rw-r--r--tools/testing/kunit/qemu_configs/riscv.py18
1 files changed, 7 insertions, 11 deletions
diff --git a/tools/testing/kunit/qemu_configs/riscv.py b/tools/testing/kunit/qemu_configs/riscv.py
index 6207be146d26..12a1d525978a 100644
--- a/tools/testing/kunit/qemu_configs/riscv.py
+++ b/tools/testing/kunit/qemu_configs/riscv.py
@@ -3,17 +3,13 @@ import os
import os.path
import sys
-GITHUB_OPENSBI_URL = 'https://github.com/qemu/qemu/raw/master/pc-bios/opensbi-riscv64-generic-fw_dynamic.bin'
-OPENSBI_FILE = os.path.basename(GITHUB_OPENSBI_URL)
+OPENSBI_FILE = 'opensbi-riscv64-generic-fw_dynamic.bin'
+OPENSBI_PATH = '/usr/share/qemu/' + OPENSBI_FILE
-if not os.path.isfile(OPENSBI_FILE):
- print('\n\nOpenSBI file is not in the current working directory.\n'
- 'Would you like me to download it for you from:\n' + GITHUB_OPENSBI_URL + ' ?\n')
- response = input('yes/[no]: ')
- if response.strip() == 'yes':
- os.system('wget ' + GITHUB_OPENSBI_URL)
- else:
- sys.exit()
+if not os.path.isfile(OPENSBI_PATH):
+ print('\n\nOpenSBI bios was not found in "' + OPENSBI_PATH + '".\n'
+ 'Please ensure that qemu-system-riscv is installed, or edit the path in "qemu_configs/riscv.py"\n')
+ sys.exit()
QEMU_ARCH = QemuArchParams(linux_arch='riscv',
kconfig='''
@@ -29,4 +25,4 @@ CONFIG_SERIAL_EARLYCON_RISCV_SBI=y''',
extra_qemu_params=[
'-machine', 'virt',
'-cpu', 'rv64',
- '-bios', 'opensbi-riscv64-generic-fw_dynamic.bin'])
+ '-bios', OPENSBI_PATH])