Patrick Georgi | 5d7ab39 | 2015-12-12 00:23:15 +0100 | [diff] [blame] | 1 | #!/bin/bash |
| 2 | # converts a depthcharge fmap.dts into an fmaptool compatible .fmd format |
| 3 | # requires fdt utilities (dtc, fdtget) |
| 4 | # |
| 5 | # $1 dts file name |
| 6 | # result on stdout |
| 7 | set -e |
| 8 | |
| 9 | if [ $# -lt 1 ]; then |
| 10 | echo "usage: $0 dts-file" |
| 11 | exit 1 |
| 12 | fi |
| 13 | |
| 14 | DTS=$1 |
| 15 | DTB=`mktemp` |
| 16 | |
| 17 | # $1 node |
| 18 | # $2 start variable name |
| 19 | # $3 size variable name |
| 20 | get_reg() { |
| 21 | local t=`fdtget -t x $DTB $1 reg 2>/dev/null` |
| 22 | if [ -n "$t" ]; then |
| 23 | export $2=0x`echo $t|cut -d' ' -f1` |
| 24 | export $3=0x`echo $t|cut -d' ' -f2` |
| 25 | else |
| 26 | export $3=0x`fdtget -t x $DTB $1 size` |
| 27 | fi |
| 28 | } |
| 29 | |
| 30 | dtc -O dtb -o $DTB $DTS |
| 31 | get_reg /flash ROM_START ROM_SIZE |
| 32 | printf "FLASH@${ROM_START} ${ROM_SIZE} {" |
| 33 | |
| 34 | PREFIX="\t" |
| 35 | REGION_START=-1 |
| 36 | REGION_SIZE=0 |
| 37 | CONTAINER_END=$(( ${ROM_SIZE} )) |
| 38 | CONTAINER_END_STACK=${CONTAINER_END} |
| 39 | CONTAINER_OFFSET=0 |
| 40 | CONTAINER_OFFSET_STACK=0 |
| 41 | |
| 42 | FMAP_REGIONS=`fdtget -l $DTB /flash` |
| 43 | for region in $FMAP_REGIONS; do |
| 44 | OLD_REGION_START=$REGION_START |
| 45 | OLD_REGION_SIZE=$REGION_SIZE |
| 46 | get_reg /flash/$region REGION_START REGION_SIZE |
| 47 | |
| 48 | # determine if we're past an existing container |
| 49 | while [ $(( ${REGION_START} )) -ge ${CONTAINER_END} ]; do |
| 50 | PREFIX=`printf "${PREFIX}" | cut -c2-` |
| 51 | printf "\n${PREFIX}}" |
| 52 | CONTAINER_END_STACK=`printf "${CONTAINER_END_STACK}" | cut -d' ' -f2-` |
| 53 | CONTAINER_OFFSET_STACK=`printf "${CONTAINER_OFFSET_STACK}" | cut -d' ' -f2-` |
| 54 | CONTAINER_END=`printf ${CONTAINER_END_STACK} | cut -d' ' -f1` |
| 55 | CONTAINER_OFFSET=`printf ${CONTAINER_OFFSET_STACK} | cut -d' ' -f1` |
| 56 | done |
| 57 | |
| 58 | # determine if we're inside a new container region now |
| 59 | if [ $(( ${OLD_REGION_START} + ${OLD_REGION_SIZE} )) -gt $(( ${REGION_START} )) ]; then |
| 60 | PREFIX="\t${PREFIX}" |
| 61 | CONTAINER_END=$(( ${OLD_REGION_START} + ${OLD_REGION_SIZE} )) |
| 62 | CONTAINER_OFFSET=$(( ${OLD_REGION_START} )) |
| 63 | CONTAINER_END_STACK="${CONTAINER_END} ${CONTAINER_END_STACK}" |
| 64 | CONTAINER_OFFSET_STACK="${CONTAINER_OFFSET} ${CONTAINER_OFFSET_STACK}" |
| 65 | printf " {" |
| 66 | fi |
| 67 | |
| 68 | LOCAL_REGION_START=$(( ${REGION_START} - ${CONTAINER_OFFSET} )) |
| 69 | LOCAL_REGION_START=`printf "0x%x" ${LOCAL_REGION_START}` |
| 70 | |
| 71 | REGION_NAME=`fdtget $DTB /flash/$region label | tr '[a-z]-' '[A-Z]_'` |
| 72 | REGION_TYPE=`fdtget $DTB /flash/$region type 2>/dev/null | cut -d'/' -f1` |
| 73 | |
| 74 | # a CBFS region? if so, mark as such |
| 75 | if [ "${REGION_TYPE}" = "blob cbfs" ]; then |
| 76 | IS_CBFS="(CBFS)" |
| 77 | else |
| 78 | IS_CBFS="" |
| 79 | fi |
| 80 | |
| 81 | # special handling: rename BOOT_STUB to COREBOOT, mark them as CBFS |
| 82 | if [ "${REGION_NAME}" = "BOOT_STUB" ]; then |
| 83 | REGION_NAME="COREBOOT" |
| 84 | fi |
| 85 | if [ "${REGION_NAME}" = "COREBOOT" ]; then |
| 86 | IS_CBFS="(CBFS)" |
| 87 | fi |
| 88 | |
| 89 | # special handling: COREBOOT region at 0, inject a 128K bootblock |
| 90 | # The size may need changes to accomodate the chipsets, |
| 91 | # but should work for now. |
| 92 | if [ "${REGION_NAME}" = "COREBOOT" -a \ |
| 93 | $(( ${REGION_START} )) -eq 0 ]; then |
| 94 | printf "\n${PREFIX}BOOTBLOCK@0 128K" |
| 95 | LOCAL_REGION_START=$(( ${LOCAL_REGION_START} + 128*1024 )) |
| 96 | LOCAL_REGION_START=`printf 0x%x ${LOCAL_REGION_START}` |
| 97 | REGION_SIZE=$(( ${REGION_SIZE} - 128*1024 )) |
| 98 | REGION_SIZE=`printf 0x%x ${REGION_SIZE}` |
| 99 | fi |
| 100 | |
| 101 | printf "\n${PREFIX}${REGION_NAME}${IS_CBFS}@${LOCAL_REGION_START} ${REGION_SIZE}" |
| 102 | done |
| 103 | |
| 104 | while [ -n "${PREFIX}" ]; do |
| 105 | PREFIX=`printf "${PREFIX}" | cut -c2-` |
| 106 | printf "\n${PREFIX}}" |
| 107 | done |
| 108 | printf "\n" |
| 109 | |
| 110 | rm -f $DTB |