iBoot/apps/SecureROM/tests/blinky_armv8/build_rom_test.sh

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#!/bin/bash
set -e
function usage()
{
echo "build_rom_test.sh -p <platform> [-a <gpio address>] [-v <gpio value>]"
exit 1
}
args=$(getopt "a:p:v" $*)
if [[ $? != 0 ]]; then
usage
fi
# GPIO[0] == GPIO id 20 == 0x20f100050
GPIO_BASE=0x20f100050
GPIO_VALUE=0x70203
PLATFORM="t8010"
set -- $args
for arg; do
case $arg
in
-a)
GPIO_BASE=$2; shift; shift;;
-v)
GPIO_VALUE=$2; shift; shift;;
-p)
PLATFORM=$2; shift; shift;;
esac
done
if [[ "$GPIO_BASE" == "" || "$GPIO_VALUE" == "" || "$PLATFORM" == "" ]]; then
usage
fi
echo "Cleaning"
rm -f rom_test.o rom_test rom_test.bin rom_test_*.im4p
echo "Running clang"
xcrun -sdk iphoneos.internal clang -arch arm64 \
-static \
-std=gnu99 -Werror -W -Wall \
-DGPIO_BASE=${GPIO_BASE} -DGPIO_VALUE=${GPIO_VALUE} \
-c rom_test.c -o rom_test.o
echo "Standalone link"
xcrun -sdk iphoneos.internal clang -arch arm64 \
-static \
-Wl,-new_linker \
-Wl,-preload \
-Wl,-merge_zero_fill_sections \
-nodefaultlibs \
-nostartfiles \
-dead_strip \
-e _start \
-o rom_test rom_test.o
echo "Stripping"
xcrun -sdk iphoneos.internal strip -no_uuid rom_test
echo "Finding __text section"
text_offset=$(xcrun -sdk iphoneos.internal otool -l rom_test | grep -A4 'sectname __text' | grep 'offset' | awk '{print $2}')
text_size=$(xcrun -sdk iphoneos.internal otool -l rom_test | grep -A4 'sectname __text' | grep 'size' | awk '{print $2}')
echo "Found at $text_offset size $text_size"
echo "Generating bin"
dd if=rom_test ibs=1 skip=${text_offset} obs=1 count=${text_size} \
>rom_test.bin 2>/dev/null
echo "Mach-O dump"
xcrun -sdk iphoneos.internal otool -tVj rom_test
echo "Bin Dump"
hexdump -C rom_test.bin
for type in ibss illb; do
for encrypt in encrypted unencrypted; do
echo "Generating ${encrypt} ${type} Image4 payload"
xcrun -sdk iphoneos.internal img4payload \
-i rom_test.bin -o rom_test_${type}_${encrypt}.im4p \
-t ${type} -v rom_test_${type}_${encrypt}
if [ "${encrypt}" = "encrypted" ]; then
xcrun -sdk iphoneos.internal img4encrypt \
-i rom_test_${type}_${encrypt}.im4p \
-o rom_test_${type}_${encrypt}.im4p \
-p $PLATFORM
fi
done
done
# Personalization, for reference:
#xcrun -sdk iphoneos.internal personalize_img4 -i rom_test_ibss.im4p -o /tmp -c 0x<chip id> -b 0xff -d 1 -g 384 -e 0x12345678ABCD -n 0xa4f84e2a89c2ef04a07b9f948fec7c0767c8931bd67ede924040aa4f30afe4118a2d524d687fc0db2f4a27e36c7e75a0 -r 0x12345678AABBCCDD
#xcrun -sdk iphoneos.internal personalize_img4 -i rom_test_llb.im4p -o /tmp -c 0x<chip id> -b 0xff -d 1 -g 384 -e 0x12345678ABCD -n 0xa4f84e2a89c2ef04a07b9f948fec7c0767c8931bd67ede924040aa4f30afe4118a2d524d687fc0db2f4a27e36c7e75a0 -r 0x12345678AABBCCDD
# Production signing, for reference:
#xcrun -sdk iphoneos.internal personalize_img4 -m -p -i rom_test_illb_encrypted.im4p -o /tmp -c 0x<chip id> -b 0xff -d 1 -g 384 -e 0x12345678ABCD -n 0xa4f84e2a89c2ef04a07b9f948fec7c0767c8931bd67ede924040aa4f30afe4118a2d524d687fc0db2f4a27e36c7e75a0 -s 0x1234567823456789345678904567890156789012 -r 0x12345678AABBCCDD -w -W
# Production signing with demotion, for reference:
#xcrun -sdk iphoneos.internal personalize_img4 -m -p -i rom_test_illb_encrypted.im4p -o /tmp -c 0x<chip id> -b 0xff -d 1 -g 384 -e 0x12345678ABCD -n 0xa4f84e2a89c2ef04a07b9f948fec7c0767c8931bd67ede924040aa4f30afe4118a2d524d687fc0db2f4a27e36c7e75a0 -s 0x1234567823456789345678904567890156789012 -r 0x12345678AABBCCDD -W -D 1
echo "Done"