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kernel: Add KERNEL_DEBUG_ENABLED to build scripts

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We want to be able to build a debug version of the kernel for various
use-cases like debugging, tracing and others.

Signed-off-by: Zvonko Kaiser <zkaiser@nvidia.com>
This commit is contained in:
Zvonko Kaiser 2025-03-25 17:24:30 +00:00 committed by Fabiano Fidêncio
parent b7af7f344b
commit a4597672c0
4 changed files with 16 additions and 0 deletions
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1
tools/packaging/kata-deploy/local-build/kata-deploy-binaries.sh
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@ -60,6 +60,7 @@ KERNEL_HEADERS_PKG_TYPE="${KERNEL_HEADERS_PKG_TYPE:-deb}"
RELEASE="${RELEASE:-"no"}" RELEASE="${RELEASE:-"no"}"
KBUILD_SIGN_PIN="${KBUILD_SIGN_PIN:-}" KBUILD_SIGN_PIN="${KBUILD_SIGN_PIN:-}"
RUNTIME_CHOICE="${RUNTIME_CHOICE:-both}" RUNTIME_CHOICE="${RUNTIME_CHOICE:-both}"
KERNEL_DEBUG_ENABLED=${KERNEL_DEBUG_ENABLED:-"no"}
workdir="${WORKDIR:-$PWD}" workdir="${WORKDIR:-$PWD}"

7
tools/packaging/kernel/build-kernel.sh
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@ -33,6 +33,7 @@ readonly default_initramfs="${script_dir}/initramfs.cpio.gz"
readonly VENDOR_INTEL="intel" readonly VENDOR_INTEL="intel"
readonly VENDOR_NVIDIA="nvidia" readonly VENDOR_NVIDIA="nvidia"
readonly KBUILD_SIGN_PIN=${KBUILD_SIGN_PIN:-""} readonly KBUILD_SIGN_PIN=${KBUILD_SIGN_PIN:-""}
readonly KERNEL_DEBUG_ENABLED=${KERNEL_DEBUG_ENABLED:-"no"}
#Path to kernel directory #Path to kernel directory
kernel_path="" kernel_path=""
@ -315,6 +316,12 @@ get_kernel_frag_path() {
all_configs="${all_configs} ${sign_configs}" all_configs="${all_configs} ${sign_configs}"
fi fi
if [[ ${KERNEL_DEBUG_ENABLED} == "yes" ]]; then
info "Enable kernel debug"
local debug_configs="$(ls ${common_path}/common/debug.conf)"
all_configs="${all_configs} ${debug_configs}"
fi
if [[ "$force_setup_generate_config" == "true" ]]; then if [[ "$force_setup_generate_config" == "true" ]]; then
info "Remove existing config ${config_path} due to '-f'" info "Remove existing config ${config_path} due to '-f'"
[ -f "$config_path" ] && rm -f "${config_path}" [ -f "$config_path" ] && rm -f "${config_path}"

6
tools/packaging/kernel/configs/fragments/common/debug.conf
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@ -4,3 +4,9 @@
# configuration used for the running kernel. # configuration used for the running kernel.
CONFIG_IKCONFIG=y CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y CONFIG_IKCONFIG_PROC=y
# Enable debugging features for the kernel
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_KERNEL=y
CONFIG_DEBUG_FS=y
CONFIG_DEBUG_INFO_DWARF4=y

2
tools/packaging/static-build/kernel/build.sh
View File

@ -24,6 +24,7 @@ container_image="${KERNEL_CONTAINER_BUILDER:-$(get_kernel_image_name)}"
MEASURED_ROOTFS=${MEASURED_ROOTFS:-no} MEASURED_ROOTFS=${MEASURED_ROOTFS:-no}
KBUILD_SIGN_PIN="${KBUILD_SIGN_PIN:-}" KBUILD_SIGN_PIN="${KBUILD_SIGN_PIN:-}"
kernel_builder_args="-a ${ARCH} $*" kernel_builder_args="-a ${ARCH} $*"
KERNEL_DEBUG_ENABLED=${KERNEL_DEBUG_ENABLED:-"no"}
if [ "${MEASURED_ROOTFS}" == "yes" ]; then if [ "${MEASURED_ROOTFS}" == "yes" ]; then
info "build initramfs for cc kernel" info "build initramfs for cc kernel"
@ -51,6 +52,7 @@ docker pull ${container_image} || \
docker run --rm -i -v "${repo_root_dir}:${repo_root_dir}" \ docker run --rm -i -v "${repo_root_dir}:${repo_root_dir}" \
-w "${PWD}" \ -w "${PWD}" \
--env KERNEL_DEBUG_ENABLED="${KERNEL_DEBUG_ENABLED}" \
--user "$(id -u)":"$(id -g)" \ --user "$(id -u)":"$(id -g)" \
"${container_image}" \ "${container_image}" \
bash -c "${kernel_builder} ${kernel_builder_args} setup" bash -c "${kernel_builder} ${kernel_builder_args} setup"