Add experimental eMMC build script

image/build_image_emmc.sh

@@ -0,0 +1,57 @@
+#!/bin/bash
+set -uex -o pipefail
+
+JOBS=$(nproc)
+REPO=$(git rev-parse --show-toplevel)
+WORK=${REPO}/image/work
+LINUX=${REPO}/linux-brain
+IMG=${REPO}/image/sd.img
+export CROSS_COMPILE=${CROSS_COMPILE:="arm-linux-gnueabi-"}
+
+mkdir -p ${WORK}
+mkdir -p ${WORK}/lilobin
+
+for i in "sh1"; do
+    NUM=$(echo $i | sed -E 's/sh//g')
+
+    make -C ${REPO}/u-boot-brain distclean pw${i}_defconfig
+    make -j${JOBS} -C ${REPO}/u-boot-brain u-boot.sb u-boot.bin
+
+    case $i in
+        "sh1" | "sh2" | "sh3")
+            mv ${REPO}/u-boot-brain/u-boot.sb ${WORK}/lilobin/gen3_${NUM}.sb
+            mv ${REPO}/u-boot-brain/u-boot.bin ${WORK}/lilobin/gen3_${NUM}.bin;;
+        *)
+            echo "WTF: $i"
+            exit 1;;
+    esac
+done
+
+dd if=/dev/zero of=${IMG} bs=1M count=96
+
+START1=2048
+SECTORS1=$((1024 * 1024 * 64 / 512))
+START2=$((2048 + ${SECTORS1}))
+SECTORS2=$((1024 * 1024 * 8 / 512))
+START3=$((2048 + ${SECTORS1} + ${SECTORS2}))
+
+cat <<EOF > ${WORK}/part.sfdisk
+${IMG}1 : start=${START1}, size=${SECTORS1}, type=b
+${IMG}2 : start=${START2}, size=${SECTORS2}, type=53
+${IMG}3 : start=${START3}, type=83
+EOF
+
+sfdisk ${IMG} < ${WORK}/part.sfdisk
+
+sudo kpartx -av ${IMG}
+
+LOOPDEV=$(losetup -l | grep sd.img | grep -o 'loop.' | tail -n 1)
+${REPO}/image/mk_hdr.sh `fdisk -lu /dev/${LOOPDEV} | awk '$6==53 {print $2}'` 1 > ${WORK}/header.bin
+dd if=${WORK}/header.bin of=/dev/${LOOPDEV}p2 ibs=512 conv=sync
+dd if=${WORK}/lilobin/gen3_1.sb of=/dev/${LOOPDEV}p2 ibs=512 obs=512 seek=1 conv=sync
+
+# sudo mount -o utf8=true /dev/mapper/${LOOPDEV}p1 ${WORK}/p1
+# sudo mount /dev/mapper/${LOOPDEV}p2 ${WORK}/p2
+
+sudo kpartx -d ${IMG}
+