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ovmf: Add PACKAGECONFIG[debug]

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In release mode, OVMF does not output any debug information to the QEMU port, making it extremely difficult to debug boot issues.
This commit introduces packageconfig debug flag to enable it

Usage:
PACKAGECONFIG:append:pn-ovmf = " debug"
runqemu qemuparams="-debugcon file:debug.log -global isa-debugcon.iobase=0x402"

The OVMF debug console output will be written to debug.log.

(From OE-Core rev: 50393dadf4a0086334efa184dd249cdf7f543488)

Signed-off-by: Pavel Zhukov <pavel@zhukoff.net>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Pavel Zhukov 2025-03-07 10:52:57 +01:00 committed by Richard Purdie
parent e9514130c7
commit afcd27c4dd
1 changed files with 7 additions and 3 deletions
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10
meta/recipes-core/ovmf/ovmf_git.bb
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@ -12,9 +12,11 @@ LIC_FILES_CHKSUM = "file://OvmfPkg/License.txt;md5=06357ddc23f46577c2aeaeaf7b776
PACKAGECONFIG ??= ""
PACKAGECONFIG += "${@bb.utils.contains('MACHINE_FEATURES', 'tpm', 'tpm', '', d)}"
PACKAGECONFIG += "${@bb.utils.contains('MACHINE_FEATURES', 'tpm2', 'tpm', '', d)}"
PACKAGECONFIG[debug] = ",,,"
PACKAGECONFIG[secureboot] = ",,,"
PACKAGECONFIG[tpm] = "-D TPM_ENABLE=TRUE,-D TPM_ENABLE=FALSE,,"
# GCC12 trips on it
#see https://src.fedoraproject.org/rpms/edk2/blob/rawhide/f/0032-Basetools-turn-off-gcc12-warning.patch
BUILD_CFLAGS += "-Wno-error=stringop-overflow"
@ -67,6 +69,8 @@ OVMF_SECURE_BOOT_FLAGS = "-DSECURE_BOOT_ENABLE=TRUE ${OVMF_SECURE_BOOT_EXTRA_FLA
export PYTHON_COMMAND = "${HOSTTOOLS_DIR}/python3"
OVMF_BUILD_TYPE = "${@bb.utils.contains('PACKAGECONFIG', 'debug', 'DEBUG', 'RELEASE', d)}"
do_patch[postfuncs] += "fix_basetools_location"
fix_basetools_location () {
}
@ -200,11 +204,11 @@ do_compile:class-target() {
fi
FIXED_GCCVER=$(fixup_target_tools ${GCC_VER})
bbnote FIXED_GCCVER is ${FIXED_GCCVER}
build_dir="${S}/Build/Ovmf$OVMF_DIR_SUFFIX/RELEASE_${FIXED_GCCVER}"
build_dir="${S}/Build/Ovmf$OVMF_DIR_SUFFIX/${OVMF_BUILD_TYPE}_${FIXED_GCCVER}"
bbnote "Building without Secure Boot."
rm -rf ${S}/Build/Ovmf$OVMF_DIR_SUFFIX
${S}/OvmfPkg/build.sh $PARALLEL_JOBS -a $OVMF_ARCH -b RELEASE -t ${FIXED_GCCVER} ${PACKAGECONFIG_CONFARGS}
${S}/OvmfPkg/build.sh $PARALLEL_JOBS -a $OVMF_ARCH -b ${OVMF_BUILD_TYPE} -t ${FIXED_GCCVER} ${PACKAGECONFIG_CONFARGS}
ln ${build_dir}/FV/OVMF.fd ${WORKDIR}/ovmf/ovmf.fd
ln ${build_dir}/FV/OVMF_CODE.fd ${WORKDIR}/ovmf/ovmf.code.fd
ln ${build_dir}/FV/OVMF_VARS.fd ${WORKDIR}/ovmf/ovmf.vars.fd
@ -214,7 +218,7 @@ do_compile:class-target() {
# Repeat build with the Secure Boot flags.
bbnote "Building with Secure Boot."
rm -rf ${S}/Build/Ovmf$OVMF_DIR_SUFFIX
${S}/OvmfPkg/build.sh $PARALLEL_JOBS -a $OVMF_ARCH -b RELEASE -t ${FIXED_GCCVER} ${PACKAGECONFIG_CONFARGS} ${OVMF_SECURE_BOOT_FLAGS}
${S}/OvmfPkg/build.sh $PARALLEL_JOBS -a $OVMF_ARCH -b ${OVMF_BUILD_TYPE} -t ${FIXED_GCCVER} ${PACKAGECONFIG_CONFARGS} ${OVMF_SECURE_BOOT_FLAGS}
ln ${build_dir}/FV/OVMF.fd ${WORKDIR}/ovmf/ovmf.secboot.fd
ln ${build_dir}/FV/OVMF_CODE.fd ${WORKDIR}/ovmf/ovmf.secboot.code.fd
ln ${build_dir}/${OVMF_ARCH}/EnrollDefaultKeys.efi ${WORKDIR}/ovmf/