mirror of
https://github.com/brain-hackers/buildbrain
synced 2024-11-15 06:48:02 +09:00
149 lines
4.3 KiB
Bash
Executable File
149 lines
4.3 KiB
Bash
Executable File
#!/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
|
|
#
|
|
|