c2e4941367
Some Unix systems (GuixSD, NixOS) do not install programs like Bash and Python to /usr/bin, and /usr/bin/env has to be used to locate these instead. Change-Id: I7546bcb881c532adc984577ecb0ee2ec4f2efe00 Signed-off-by: Yegor Timoshenko <yegortimoshenko@riseup.net> Reviewed-on: https://review.coreboot.org/28953 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Georgi <pgeorgi@google.com>
127 lines
3.7 KiB
Bash
Executable File
127 lines
3.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# Copyright 2015 Google Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; version 2 of the License.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# converts a depthcharge fmap.dts into an fmaptool compatible .fmd format
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# requires fdt utilities (dtc, fdtget)
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#
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# $1 dts file name
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# result on stdout
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set -e
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if [ $# -lt 1 ]; then
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echo "usage: $0 dts-file"
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exit 1
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fi
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DTS=$1
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DTB=`mktemp`
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# $1 node
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# $2 start variable name
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# $3 size variable name
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get_reg() {
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local t=`fdtget -t x $DTB $1 reg 2>/dev/null`
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if [ -n "$t" ]; then
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export $2=0x`echo $t|cut -d' ' -f1`
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export $3=0x`echo $t|cut -d' ' -f2`
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else
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export $3=0x`fdtget -t x $DTB $1 size`
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fi
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}
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dtc -O dtb -o $DTB $DTS
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get_reg /flash ROM_START ROM_SIZE
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printf "FLASH@${ROM_START} ${ROM_SIZE} {"
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PREFIX="\t"
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REGION_START=-1
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REGION_SIZE=0
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CONTAINER_END=$(( ${ROM_SIZE} ))
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CONTAINER_END_STACK=${CONTAINER_END}
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CONTAINER_OFFSET=0
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CONTAINER_OFFSET_STACK=0
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FMAP_REGIONS=`fdtget -l $DTB /flash`
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for region in $FMAP_REGIONS; do
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OLD_REGION_START=$REGION_START
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OLD_REGION_SIZE=$REGION_SIZE
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get_reg /flash/$region REGION_START REGION_SIZE
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# determine if we're past an existing container
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while [ $(( ${REGION_START} )) -ge ${CONTAINER_END} ]; do
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PREFIX=`printf "${PREFIX}" | cut -c2-`
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printf "\n${PREFIX}}"
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CONTAINER_END_STACK=`printf "${CONTAINER_END_STACK}" | cut -d' ' -f2-`
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CONTAINER_OFFSET_STACK=`printf "${CONTAINER_OFFSET_STACK}" | cut -d' ' -f2-`
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CONTAINER_END=`printf ${CONTAINER_END_STACK} | cut -d' ' -f1`
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CONTAINER_OFFSET=`printf ${CONTAINER_OFFSET_STACK} | cut -d' ' -f1`
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done
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# determine if we're inside a new container region now
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if [ $(( ${OLD_REGION_START} + ${OLD_REGION_SIZE} )) -gt $(( ${REGION_START} )) ]; then
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PREFIX="\t${PREFIX}"
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CONTAINER_END=$(( ${OLD_REGION_START} + ${OLD_REGION_SIZE} ))
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CONTAINER_OFFSET=$(( ${OLD_REGION_START} ))
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CONTAINER_END_STACK="${CONTAINER_END} ${CONTAINER_END_STACK}"
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CONTAINER_OFFSET_STACK="${CONTAINER_OFFSET} ${CONTAINER_OFFSET_STACK}"
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printf " {"
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fi
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LOCAL_REGION_START=$(( ${REGION_START} - ${CONTAINER_OFFSET} ))
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LOCAL_REGION_START=`printf "0x%x" ${LOCAL_REGION_START}`
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REGION_NAME=`fdtget $DTB /flash/$region label | tr '[a-z]-' '[A-Z]_'`
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REGION_TYPE=`fdtget $DTB /flash/$region type 2>/dev/null | cut -d'/' -f1`
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# a CBFS region? if so, mark as such
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if [ "${REGION_TYPE}" = "blob cbfs" ]; then
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IS_CBFS="(CBFS)"
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else
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IS_CBFS=""
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fi
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# special handling: rename BOOT_STUB to COREBOOT, mark them as CBFS
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if [ "${REGION_NAME}" = "BOOT_STUB" ]; then
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REGION_NAME="COREBOOT"
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fi
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if [ "${REGION_NAME}" = "COREBOOT" ]; then
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IS_CBFS="(CBFS)"
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fi
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# also mark RW_LEGACY (seabios et al) as CBFS
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if [ "${REGION_NAME}" = "RW_LEGACY" ]; then
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IS_CBFS="(CBFS)"
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fi
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# special handling: COREBOOT region at 0, inject a 128K bootblock
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# The size may need changes to accommodate the chipsets,
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# but should work for now.
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if [ "${REGION_NAME}" = "COREBOOT" -a \
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$(( ${REGION_START} )) -eq 0 ]; then
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printf "\n${PREFIX}BOOTBLOCK@0 128K"
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LOCAL_REGION_START=$(( ${LOCAL_REGION_START} + 128*1024 ))
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LOCAL_REGION_START=`printf 0x%x ${LOCAL_REGION_START}`
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REGION_SIZE=$(( ${REGION_SIZE} - 128*1024 ))
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REGION_SIZE=`printf 0x%x ${REGION_SIZE}`
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fi
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printf "\n${PREFIX}${REGION_NAME}${IS_CBFS}@${LOCAL_REGION_START} ${REGION_SIZE}"
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done
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while [ -n "${PREFIX}" ]; do
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PREFIX=`printf "${PREFIX}" | cut -c2-`
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printf "\n${PREFIX}}"
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done
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printf "\n"
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rm -f $DTB
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