kxtzownsu/PicoShim
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

better architecture detecting

Browse Source 
(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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
builder/picoshim.sh
View File

@ -16,18 +16,17 @@ fi
SCRIPT_DIR=$(dirname "$0")
VERSION=1
HOST_ARCH=$(lscpu | grep Architecture | awk '{print $2}')
if [ $HOST_ARCH == "x86_64" ]; then
CGPT="$SCRIPT_DIR/bins/cgpt.x86-64"
SFDISK="$SCRIPT_DIR/bins/sfdisk.x86-64"
else
CGPT="$SCRIPT_DIR/bins/cgpt.aarch64"
SFDISK="$SCRIPT_DIR/bins/sfdisk.aarch64"
fi
ARCHITECTURE="$(uname -m)"
case "$ARCHITECTURE" in
*x86_64* | *x86-64*) ARCHITECTURE=x86_64 ;;
*aarch64* | *armv8*) ARCHITECTURE=aarch64 ;;
*i[3-6]86*) ARCHITECTURE=i386 ;;
*) fail "Unsupported architecture $ARCHITECTURE" ;;
esac
source lib/extract_initramfs.sh
source lib/detect_arch.sh
source lib/rootfs_utils.sh
source ${SCRIPT_DIR}/lib/extract_initramfs.sh
source ${SCRIPT_DIR}/lib/detect_arch.sh
source ${SCRIPT_DIR}/lib/rootfs_utils.sh
echo "PicoShim builder"
echo "requires: binwalk, fdisk, cgpt, mkfs.ext2, numfmt"
@ -36,6 +35,8 @@ SHIM="$1"
initramfs="/tmp/initramfs_path"
rootfs_mnt="/tmp/picoshim_rootmnt"
loopdev=$(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
# we're giving it 5 extra MBs to allow the busybox binaries to be installed