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OvmfPkg: PlatformCI: Add PATH_TO_OS Flag

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This adds the ability to pass PATH_TO_OS to the
PlatformBuild.py scripts in the PlatformCI folder.

This allows easy booting to an OS (or generically adding a
drive) while using the standard PlatformBuild.py for OvmfPkg.

Signed-off-by: Oliver Smith-Denny <osde@microsoft.com>
This commit is contained in:
Oliver Smith-Denny 2026-07-07 16:10:17 -07:00 • committed by mergify[bot]
parent 372318bb94
commit 73f796bcf9
1 changed files with 22 additions and 1 deletions
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23
OvmfPkg/PlatformCI/PlatformBuildLib.py
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@ -16,7 +16,7 @@ from edk2toolext.invocables.edk2_setup import SetupSettingsManager, RequiredSubm
from edk2toolext.invocables.edk2_update import UpdateSettingsManager
from edk2toolext.invocables.edk2_pr_eval import PrEvalSettingsManager
from edk2toollib.utility_functions import RunCmd
from pathlib import Path
# ####################################################################################### #
# Configuration for Update & Setup #
@ -209,6 +209,27 @@ class PlatformBuilder( UefiBuilder, BuildSettingsManager):
args += " -cpu IvyBridge,+rdrand" # IvyBridge is the first CPU that supported
# RDRAND, which is required for dynamic
# stack cookies
path_to_os = self.env.GetValue("PATH_TO_OS")
if path_to_os is not None:
args += f" -m 8192" # 8gb memory for OS
file_extension = Path(path_to_os).suffix.lower().replace('"', '')
storage_format = {
".vhd": "raw",
".qcow2": "qcow2",
".iso": "iso",
}.get(file_extension, None)
if storage_format is None:
raise Exception(f"Unknown OS storage type: {path_to_os}")
if storage_format == "iso":
args += f" -cdrom \"{path_to_os}\""
else:
args += f" -drive file=\"{path_to_os}\",format={storage_format},if=none,id=os_nvme"
args += " -device nvme,serial=nvme-1,drive=os_nvme,bootindex=0"
args += f" -drive file=fat:rw:{VirtualDrive},format=raw,media=disk" # Mount disk with startup.nsh
# Provides Rng services to the Guest VM
args += " -device virtio-rng-pci"