first and last commit

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"

apps/SecureROM/tests/blinky_armv8/rom_test.c

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+void start(void)
+{
+    *((volatile unsigned int *)GPIO_BASE) = GPIO_VALUE;
+    for(;;);
+}