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scripts: build-qemu: Support running qboot

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Qboot is a good demonstration of the fastest possible boot on x86. Add
a way to run Qboot instead of U-Boot, for easy comparison.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2025-06-08 05:30:01 -06:00
parent 2d461a7186
commit 8001779b9b
1 changed files with 10 additions and 1 deletions
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11
scripts/build-qemu
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@@ -63,6 +63,8 @@ def parse_args():
help='Kernel to run using -kernel')
parser.add_argument('-o', '--os', metavar='NAME', choices=['ubuntu'],
help='Run a specified Operating System')
parser.add_argument('-Q', '--use-qboot', action='store_true',
help='Run qboot instead of U-Boot')
parser.add_argument('-r', '--run', action='store_true',
help='Run QEMU with the built/specified image')
parser.add_argument('-x', '--xpl', action='store_true',
@@ -104,6 +106,7 @@ class BuildQemu:
self.sctdir = Path(self.helper.get_setting('sct_dir', '~/dev/efi/sct'))
self.tiano = Path(self.helper.get_setting('tianocore_dir',
'~/dev/tiano'))
self.qboot = Path(self.helper.get_setting('qboot_dir', '~/dev/qboot'))
self.mnt = Path(self.helper.get_setting('sct_mnt', '/mnt/sct'))
self.bitness = 32 if args.word_32bit else 64
@@ -150,6 +153,12 @@ class BuildQemu:
tout.fatal(
'Error: Tianocore BIOS specified (-E) but not found at '
f'{bios_override}')
elif args.use_qboot:
bios_override = Path(self.qboot, 'bios.bin')
if not bios_override.exists():
tout.fatal(
'Error: qboot BIOS specified (-Q) but not found at '
f'{bios_override}')
self.seq_fname = Path(args.sct_seq) if args.sct_seq else None
self.img_fname = Path(args.disk) if args.disk else None
@@ -301,7 +310,7 @@ class BuildQemu:
qemu_cmd.extend(self.kvm_params)
qemu_cmd.extend(['-m', self.mem])
if not self.args.sct_run:
if not self.args.sct_run and not self.qboot:
qemu_cmd.extend(['-netdev', 'user,id=net0,hostfwd=tcp::2222-:22',
'-device', 'virtio-net-pci,netdev=net0'])