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