kxtzownsu/PicoShim
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better architecture detecting

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(credits: sh1mmer for the code & cgpt/sfdisk binaries)
This commit is contained in:
kxtzownsu 2024-09-14 06:22:04 -04:00
parent 870c554fdb
commit 28700afa8e
1 changed files with 12 additions and 11 deletions
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23
builder/picoshim.sh
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@ -16,18 +16,17 @@ fi
SCRIPT_DIR=$(dirname "$0") SCRIPT_DIR=$(dirname "$0")
VERSION=1 VERSION=1
HOST_ARCH=$(lscpu | grep Architecture | awk '{print $2}') ARCHITECTURE="$(uname -m)"
if [ $HOST_ARCH == "x86_64" ]; then case "$ARCHITECTURE" in
CGPT="$SCRIPT_DIR/bins/cgpt.x86-64" *x86_64* | *x86-64*) ARCHITECTURE=x86_64 ;;
SFDISK="$SCRIPT_DIR/bins/sfdisk.x86-64" *aarch64* | *armv8*) ARCHITECTURE=aarch64 ;;
else *i[3-6]86*) ARCHITECTURE=i386 ;;
CGPT="$SCRIPT_DIR/bins/cgpt.aarch64" *) fail "Unsupported architecture $ARCHITECTURE" ;;
SFDISK="$SCRIPT_DIR/bins/sfdisk.aarch64" esac
fi
source lib/extract_initramfs.sh source ${SCRIPT_DIR}/lib/extract_initramfs.sh
source lib/detect_arch.sh source ${SCRIPT_DIR}/lib/detect_arch.sh
source lib/rootfs_utils.sh source ${SCRIPT_DIR}/lib/rootfs_utils.sh
echo "PicoShim builder" echo "PicoShim builder"
echo "requires: binwalk, fdisk, cgpt, mkfs.ext2, numfmt" echo "requires: binwalk, fdisk, cgpt, mkfs.ext2, numfmt"
@ -36,6 +35,8 @@ SHIM="$1"
initramfs="/tmp/initramfs_path" initramfs="/tmp/initramfs_path"
rootfs_mnt="/tmp/picoshim_rootmnt" rootfs_mnt="/tmp/picoshim_rootmnt"
loopdev=$(losetup -f) loopdev=$(losetup -f)
CGPT="${SCRIPT_DIR}/lib/bin/$ARCHITECTURE/cgpt"
SFDISK="${SCRIPT_DIR}/lib/bin/$ARCHITECTURE/sfdisk"
# gets the initramfs size, e.g: 6.5M, and rounds it to the nearest whole number, e.g: 7M # gets the initramfs size, e.g: 6.5M, and rounds it to the nearest whole number, e.g: 7M
# we're giving it 5 extra MBs to allow the busybox binaries to be installed # we're giving it 5 extra MBs to allow the busybox binaries to be installed