# @file
# Script to Build OVMF UEFI firmware
#
# Copyright (c) Microsoft Corporation.
# SPDX-License-Identifier: BSD-2-Clause-Patent
##
import os
import logging
import io
from edk2toolext.environment import shell_environment
from edk2toolext.environment.uefi_build import UefiBuilder
from edk2toolext.invocables.edk2_platform_build import BuildSettingsManager
from edk2toolext.invocables.edk2_setup import SetupSettingsManager, RequiredSubmodule
from edk2toolext.invocables.edk2_update import UpdateSettingsManager
from edk2toolext.invocables.edk2_pr_eval import PrEvalSettingsManager
from edk2toollib.utility_functions import RunCmd
# ####################################################################################### #
# Configuration for Update & Setup #
# ####################################################################################### #
class SettingsManager(UpdateSettingsManager, SetupSettingsManager, PrEvalSettingsManager):
def GetPackagesSupported(self):
''' return iterable of edk2 packages supported by this build.
These should be edk2 workspace relative paths '''
return CommonPlatform.PackagesSupported
def GetArchitecturesSupported(self):
''' return iterable of edk2 architectures supported by this build '''
return CommonPlatform.ArchSupported
def GetTargetsSupported(self):
''' return iterable of edk2 target tags supported by this build '''
return CommonPlatform.TargetsSupported
def GetRequiredSubmodules(self):
''' return iterable containing RequiredSubmodule objects.
If no RequiredSubmodules return an empty iterable
'''
rs = []
# intentionally declare this one with recursive false to avoid overhead
rs.append(RequiredSubmodule(
"CryptoPkg/Library/OpensslLib/openssl", False))
# To avoid maintenance of this file for every new submodule
# lets just parse the .gitmodules and add each if not already in list.
# The GetRequiredSubmodules is designed to allow a build to optimize
# the desired submodules but it isn't necessary for this repository.
result = io.StringIO()
ret = RunCmd("git", "config --file .gitmodules --get-regexp path", workingdir=self.GetWorkspaceRoot(), outstream=result)
# Cmd output is expected to look like:
# submodule.CryptoPkg/Library/OpensslLib/openssl.path CryptoPkg/Library/OpensslLib/openssl
# submodule.SoftFloat.path ArmPkg/Library/ArmSoftFloatLib/berkeley-softfloat-3
if ret == 0:
for line in result.getvalue().splitlines():
_, _, path = line.partition(" ")
if path is not None:
if path not in [x.path for x in rs]:
rs.append(RequiredSubmodule(path, True)) # add it with recursive since we don't know
return rs
def SetArchitectures(self, list_of_requested_architectures):
''' Confirm the requests architecture list is valid and configure SettingsManager
to run only the requested architectures.
Raise Exception if a list_of_requested_architectures is not supported
'''
unsupported = set(list_of_requested_architectures) - set(self.GetArchitecturesSupported())
if(len(unsupported) > 0):
errorString = ( "Unsupported Architecture Requested: " + " ".join(unsupported))
logging.critical( errorString )
raise Exception( errorString )
self.ActualArchitectures = list_of_requested_architectures
def GetWorkspaceRoot(self):
''' get WorkspacePath '''
return CommonPlatform.WorkspaceRoot
def GetActiveScopes(self):
''' return tuple containing scopes that should be active for this process '''
return CommonPlatform.Scopes
def FilterPackagesToTest(self, changedFilesList: list, potentialPackagesList: list) -> list:
''' Filter other cases that this package should be built
based on changed files. This should cover things that can't
be detected as dependencies. '''
build_these_packages = []
possible_packages = potentialPackagesList.copy()
for f in changedFilesList:
# BaseTools files that might change the build
if "BaseTools" in f:
if os.path.splitext(f) not in [".txt", ".md"]:
build_these_packages = possible_packages
break
# if the azure pipeline platform template file changed
if "platform-build-run-steps.yml" in f:
build_these_packages = possible_packages
break
return build_these_packages
def GetPlatformDscAndConfig(self) -> tuple:
''' If a platform desires to provide its DSC then Policy 4 will evaluate if
any of the changes will be built in the dsc.
The tuple should be (<workspace relative path to dsc file>, <input dictionary of dsc key value pairs>)
'''
dsc = CommonPlatform.GetDscName(",".join(self.ActualArchitectures))
return (f"OvmfPkg/{dsc}", {})
# ####################################################################################### #
# Actual Configuration for Platform Build #
# ####################################################################################### #
class PlatformBuilder( UefiBuilder, BuildSettingsManager):
def __init__(self):
UefiBuilder.__init__(self)
def AddCommandLineOptions(self, parserObj):
''' Add command line options to the argparser '''
parserObj.add_argument('-a', "--arch", dest="build_arch", type=str, default="IA32,X64",
help="Optional - CSV of architecture to build. IA32 will use IA32 for Pei & Dxe. "
"X64 will use X64 for both PEI and DXE. IA32,X64 will use IA32 for PEI and "
"X64 for DXE. default is IA32,X64")
def RetrieveCommandLineOptions(self, args):
''' Retrieve command line options from the argparser '''
shell_environment.GetBuildVars().SetValue("TARGET_ARCH"," ".join(args.build_arch.upper().split(",")), "From CmdLine")
dsc = CommonPlatform.GetDscName(args.build_arch)
shell_environment.GetBuildVars().SetValue("ACTIVE_PLATFORM", f"OvmfPkg/{dsc}", "From CmdLine")
def GetWorkspaceRoot(self):
''' get WorkspacePath '''
return CommonPlatform.WorkspaceRoot
def GetPackagesPath(self):
''' Return a list of workspace relative paths that should be mapped as edk2 PackagesPath '''
return ()
def GetActiveScopes(self):
''' return tuple containing scopes that should be active for this process '''
return CommonPlatform.Scopes
def GetName(self):
''' Get the name of the repo, platform, or product being build '''
''' Used for naming the log file, among others '''
# check the startup nsh flag and if set then rename the log file.
# this helps in CI so we don't overwrite the build log since running
# uses the stuart_build command.
if(shell_environment.GetBuildVars().GetValue("MAKE_STARTUP_NSH", "FALSE") == "TRUE"):
return "OvmfPkg_With_Run"
return "OvmfPkg"
def GetLoggingLevel(self, loggerType):
''' Get the logging level for a given type
base == lowest logging level supported
con == Screen logging
txt == plain text file logging
md == markdown file logging
'''
return logging.DEBUG
def SetPlatformEnv(self):
logging.debug("PlatformBuilder SetPlatformEnv")
self.env.SetValue("PRODUCT_NAME", "OVMF", "Platform Hardcoded")
self.env.SetValue("MAKE_STARTUP_NSH", "FALSE", "Default to false")
self.env.SetValue("QEMU_HEADLESS", "FALSE", "Default to false")
self.env.SetValue("QEMU_CPUHP_QUIRK", "FALSE", "Default to false")
return 0
def PlatformPreBuild(self):
return 0
def PlatformPostBuild(self):
return 0
def FlashRomImage(self):
VirtualDrive = os.path.join(self.env.GetValue("BUILD_OUTPUT_BASE"), "VirtualDrive")
os.makedirs(VirtualDrive, exist_ok=True)
OutputPath_FV = os.path.join(self.env.GetValue("BUILD_OUTPUT_BASE"), "FV")
if (self.env.GetValue("QEMU_SKIP") and
self.env.GetValue("QEMU_SKIP").upper() == "TRUE"):
logging.info("skipping qemu boot test")
return 0
#
# QEMU must be on the path
#
cmd = "qemu-system-x86_64"
args = "-debugcon stdio" # write messages to stdio
args += " -global isa-debugcon.iobase=0x402" # debug messages out thru virtual io port
args += " -net none" # turn off network
args += f" -drive file=fat:rw:{VirtualDrive},format=raw,media=disk" # Mount disk with startup.nsh
if (self.env.GetValue("QEMU_HEADLESS").upper() == "TRUE"):
args += " -display none" # no graphics
if (self.env.GetBuildValue("SMM_REQUIRE") == "1"):
args += " -machine q35,smm=on" #,accel=(tcg|kvm)"
#args += " -m ..."
args += " -global driver=cfi.pflash01,property=secure,value=on"
args += " -drive if=pflash,format=raw,unit=0,file=" + os.path.join(OutputPath_FV, "OVMF_CODE.fd") + ",readonly=on"
args += " -drive if=pflash,format=raw,unit=1,file=" + os.path.join(OutputPath_FV, "OVMF_VARS.fd")
else:
args += " -pflash " + os.path.join(OutputPath_FV, "OVMF.fd") # path to firmware
###
### NOTE This is a temporary workaround to allow platform CI to cope with
### a QEMU bug in the CPU hotplug code. Once the CI environment has
### been updated to carry a fixed version of QEMU, this can be
### removed again
###
### Bugzilla: https://bugzilla.tianocore.org/show_bug.cgi?id=4250
###
if (self.env.GetValue("QEMU_CPUHP_QUIRK").upper() == "TRUE"):
args += " -fw_cfg name=opt/org.tianocore/X-Cpuhp-Bugcheck-Override,string=yes"
if (self.env.GetValue("MAKE_STARTUP_NSH").upper() == "TRUE"):
f = open(os.path.join(VirtualDrive, "startup.nsh"), "w")
f.write("BOOT SUCCESS !!! \n")
## add commands here
f.write("reset -s\n")
f.close()
ret = RunCmd(cmd, args)
if ret == 0xc0000005:
#for some reason getting a c0000005 on successful return
return 0
return ret