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krata: rework cross-compilation

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This commit is contained in:
Alex Zenla
2024-03-21 21:31:10 +00:00
parent 332a1bba26
commit 0191e5b2c1
27 changed files with 321 additions and 131 deletions
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47
hack/kernel/build.sh
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@ -8,9 +8,21 @@ KERNEL_DIR="${KRATA_DIR}/kernel"
cd "${KRATA_DIR}"
TARGET_ARCH_STANDARD="$(KRATA_ARCH_KERNEL_NAME=0 ./hack/build/arch.sh)"
TARGET_ARCH_KERNEL="$(KRATA_ARCH_KERNEL_NAME=1 ./hack/build/arch.sh)"
C_TARGET="$(KRATA_TARGET_C_MODE=1 KRATA_TARGET_IGNORE_LIBC=1 ./hack/build/target.sh)"
IS_CROSS_COMPILE="$(./hack/build/cross-compile.sh)"
if [ "${IS_CROSS_COMPILE}" = "1" ]
then
CROSS_COMPILE_MAKE="CROSS_COMPILE=${C_TARGET}-"
else
CROSS_COMPILE_MAKE="CROSS_COMPILE="
fi
# shellcheck source-path=SCRIPTDIR source=../../kernel/config.sh
. "${KERNEL_DIR}/config.sh"
KERNEL_SRC="${KERNEL_DIR}/linux-${KERNEL_VERSION}"
KERNEL_SRC="${KERNEL_DIR}/linux-${KERNEL_VERSION}-${TARGET_ARCH_STANDARD}"
if [ -z "${KRATA_KERNEL_BUILD_JOBS}" ]
then
@ -20,42 +32,45 @@ fi
if [ ! -f "${KERNEL_SRC}/Makefile" ]
then
rm -rf "${KERNEL_SRC}"
mkdir -p "${KERNEL_SRC}"
curl --progress-bar -L -o "${KERNEL_SRC}.txz" "${KERNEL_SRC_URL}"
tar xf "${KERNEL_SRC}.txz" -C "${KERNEL_DIR}"
tar xf "${KERNEL_SRC}.txz" --strip-components 1 -C "${KERNEL_SRC}"
rm "${KERNEL_SRC}.txz"
fi
OUTPUT_DIR="${KRATA_DIR}/target/kernel"
mkdir -p "${OUTPUT_DIR}"
TARGET_ARCH="$(KRATA_ARCH_KERNEL_NAME=1 ./hack/build/arch.sh)"
KERNEL_CONFIG_FILE="${KERNEL_DIR}/krata-${TARGET_ARCH}.config"
KERNEL_CONFIG_FILE="${KERNEL_DIR}/krata-${TARGET_ARCH_STANDARD}.config"
if [ ! -f "${KERNEL_CONFIG_FILE}" ]
then
echo "ERROR: kernel config file not found for ${TARGET_ARCH}" > /dev/stderr
echo "ERROR: kernel config file not found for ${TARGET_ARCH_STANDARD}" > /dev/stderr
exit 1
fi
cp "${KERNEL_CONFIG_FILE}" "${KERNEL_SRC}/.config"
make -C "${KERNEL_SRC}" ARCH="${TARGET_ARCH}" olddefconfig
make -C "${KERNEL_SRC}" ARCH="${TARGET_ARCH_KERNEL}" "${CROSS_COMPILE_MAKE}" olddefconfig
if [ "${TARGET_ARCH}" = "x86_64" ]
IMAGE_TARGET="bzImage"
if [ "${TARGET_ARCH_STANDARD}" = "x86_64" ]
then
make -C "${KERNEL_SRC}" ARCH="${TARGET_ARCH}" -j"${KRATA_KERNEL_BUILD_JOBS}" bzImage
elif [ "${TARGET_ARCH}" = "arm64" ]
IMAGE_TARGET="bzImage"
elif [ "${TARGET_ARCH_STANDARD}" = "aarch64" ]
then
make -C "${KERNEL_SRC}" ARCH="${TARGET_ARCH}" -j"${KRATA_KERNEL_BUILD_JOBS}" Image.gz
IMAGE_TARGET="Image.gz"
fi
if [ "${TARGET_ARCH}" = "x86_64" ]
make -C "${KERNEL_SRC}" ARCH="${TARGET_ARCH_KERNEL}" -j"${KRATA_KERNEL_BUILD_JOBS}" "${CROSS_COMPILE_MAKE}" "${IMAGE_TARGET}"
if [ "${TARGET_ARCH_STANDARD}" = "x86_64" ]
then
cp "${KERNEL_SRC}/arch/x86/boot/bzImage" "${OUTPUT_DIR}/kernel"
elif [ "${TARGET_ARCH}" = "arm64" ]
cp "${KERNEL_SRC}/arch/x86/boot/bzImage" "${OUTPUT_DIR}/kernel-${TARGET_ARCH_STANDARD}"
elif [ "${TARGET_ARCH_STANDARD}" = "aarch64" ]
then
cp "${KERNEL_SRC}/arch/arm64/boot/Image.gz" "${OUTPUT_DIR}/kernel"
cp "${KERNEL_SRC}/arch/arm64/boot/Image.gz" "${OUTPUT_DIR}/kernel-${TARGET_ARCH_STANDARD}"
else
echo "ERROR: unable to determine what file is the vmlinuz for ${TARGET_ARCH}" > /dev/stderr
echo "ERROR: unable to determine what file is the vmlinuz for ${TARGET_ARCH_STANDARD}" > /dev/stderr
exit 1
fi

13
hack/kernel/clean.sh
View File

@ -1,13 +0,0 @@
#!/bin/sh
set -e
REAL_SCRIPT="$(realpath "${0}")"
cd "$(dirname "${REAL_SCRIPT}")/../.."
KRATA_DIR="${PWD}"
KERNEL_DIR="${KRATA_DIR}/kernel"
# shellcheck disable=SC2010
for ITEM in $(ls "${KERNEL_DIR}" | grep "^linux-")
do
rm -rf "${KERNEL_DIR:?}/${ITEM}"
done