Add mk_hdr from Freescale

This commit is contained in:
Takumi Sueda 2022-09-22 14:51:28 +09:00
parent 5e92df0600
commit 462651541a

148
image/mk_hdr.sh Executable file
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#!/bin/bash
# mk_hdr.sh
# Redistributed URL: https://github.com/embeddedTS/linux-2.6.35.3-imx28/blob/master/mk_hdr.sh
#
# This program is distributed with mk_mx28_sd that has the text of 3-Clause BSD License.
# Both are considered to be licenced under the same agreement so we put the text here.
# Copyright (c) 2010 Freescale Semiconductor, Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# o Redistributions of source code must retain the above copyright notice, this list
# of conditions and the following disclaimer.
#
# o Redistributions in binary form must reproduce the above copyright notice, this
# list of conditions and the following disclaimer in the documentation and/or
# other materials provided with the distribution.
#
# o Neither the name of Freescale Semiconductor, Inc. nor the names of its
# contributors may be used to endorse or promote products derived from this
# software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# Usage: make_boot <base_sector> <num_sb_files>
#
# where
#
# <base_sector> is the first sector _of the boot stream partition (i.e. /sd#2 or /sd#3, etc)
# <num_sb_files> is the # of boot stream blocks (currently only 1 supported)
#[ $1 = ] && { echo -e " error - boot partition start sector missing" ; exit };
#[ $2 = ] && { echo -e " error - # of bootable images in .sb file missing" ; exit };
# Future usage: make_boot <dev_partition> <sb_file_tag,sb_sector_offset> <sb_file_tag2, base_addr2> ...
#
# Where base sector comes from MBR, and sb_sector_offset is an offset from start of boot-partition, not absolute sector.
#Script Vars
base_sector=$1
numbootstreams=$2
primary=0
secondary=0
#########################################
# out_byte args...
#
# this function writes the binary value to stdout of each argument in the order given
# i.e. out_byte 0 1 2 3 will echo "\x00\x01\x02\x03" to stdout (w/o terminating null )
function out_byte(){
for val in $*
do
# echo -e "byte=$val"
echo -en "\\x$(printf %02x $val)"
done
}
function out_u32_le()
{
for val32 in $*
do
val=$(($val32))
b0=$((val % (2**8)))
val=$((val / (2**8)))
b1=$((val % (2**8)))
val=$((val / (2**8)))
b2=$((val % (2**8)))
val=$((val / (2**8)))
b3=$((val % (2**8)))
### Keep around for debug/verbose output
# printf "$val32 ==> %02x%02x%02x%02x\n" $b0 $b1 $b2 $b3
### Output the bytes in binary form
#
out_byte $b0 $b1 $b2 $b3
done
}
function out_bcb ()
{
signature=0x00112233
primary_tag=$1
secondary_tag=$2
num_bsb=$3
out_u32_le signature primary_tag secondary_tag num_bsb
}
# usage: out_bsb tag base_sector
# where base_sector is relative to partition
# i.e. if partition starts on lba 63 & first boot stream, base_sector = 1, not 64
# This function will automatically compute the absolute base sector.
function out_bsb
{
abs_sector=$(($2 + $base_sector))
# unused0
out_u32_le 0
# unused1
out_u32_le 0
# tag boot stream tag
out_u32_le $1
# boot stream base sector (absolute)
out_u32_le $abs_sector
# unused2
out_u32_le 0
}
###############################
# Send header output to std out
###############################
# Output boot stream signature & info
# out_u32_le signature primary secondary numbootstreams
out_bcb primary secondary numbootstreams
# Output .sb starting sector info
# out_u32_le unused0 unused1 tag base_sector unused2
out_bsb primary 1
# Output bsb for sb #2
#out_bsb tag_[p|s] base_sector_2
# Output bsb for sb #n
# out_bsb tag_[p|s] base_sector_n
#