diff options
| author | P. J. McDermott <pj@pehjota.net> | 2014-10-23 14:17:50 (EDT) |
|---|---|---|
| committer | P. J. McDermott <pj@pehjota.net> | 2014-10-23 14:17:50 (EDT) |
| commit | 952087741a2c882966f7598a8208c295cdf57483 (patch) | |
| tree | cfcc77a8b0cc6cc90525c06f1bb43a732a5e58e0 /patches | |
| parent | 63bbcd7c63ba64cc20a045899a398f494ebcf362 (diff) | |
Generate *.fw files with CRCs without Perl
Diffstat (limited to 'patches')
| -rw-r--r-- | patches/01_firmware-crc-sh.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/patches/01_firmware-crc-sh.patch b/patches/01_firmware-crc-sh.patch new file mode 100644 index 0000000..bdadbce --- /dev/null +++ b/patches/01_firmware-crc-sh.patch @@ -0,0 +1,44 @@ +Author: "P. J. McDermott" <pj@pehjota.net> +Subject: Replace target_firmware/firmware-crc.pl with a shell script + +diff -Naur src.orig/target_firmware/CMakeLists.txt src/target_firmware/CMakeLists.txt +--- src.orig/target_firmware/CMakeLists.txt 2014-09-11 14:35:37.000000000 -0400 ++++ src/target_firmware/CMakeLists.txt 2014-10-23 13:45:37.456405846 -0400 +@@ -119,6 +119,6 @@ + ADD_CUSTOM_COMMAND( + OUTPUT ${FIRMWARE_NAME} + DEPENDS fw.bin +- COMMAND ${CMAKE_SOURCE_DIR}/firmware-crc.pl < fw.bin > ${FIRMWARE_NAME} ++ COMMAND ${CMAKE_SOURCE_DIR}/firmware-crc.sh < fw.bin > ${FIRMWARE_NAME} + ) + ADD_CUSTOM_TARGET(gen-firmware ALL DEPENDS ${FIRMWARE_NAME}) +diff -Naur src/target_firmware.orig/firmware-crc.sh src/target_firmware/firmware-crc.sh +--- src.orig/target_firmware/firmware-crc.sh 1969-12-31 19:00:00.000000000 -0500 ++++ src/target_firmware/firmware-crc.sh 2014-10-23 13:21:56.080985994 -0400 +@@ -0,0 +1,26 @@ ++#!/bin/sh ++ ++crc=0 ++while read b1 b2 b3 b4; do ++ v=$(( ($b1 << 24) | ($b2 << 16) | ($b3 << 8) | ($b4 << 0) )) ++ crc=$(( $crc ^ $v )) ++ b1=$(( ($v & 0xFF000000) >> 24 )) ++ b2=$(( ($v & 0x00FF0000) >> 16 )) ++ b3=$(( ($v & 0x0000FF00) >> 8 )) ++ b4=$(( ($v & 0x000000FF) >> 0 )) ++ printf "\\$(printf '%03o' "${b1}")" ++ printf "\\$(printf '%03o' "${b2}")" ++ printf "\\$(printf '%03o' "${b3}")" ++ printf "\\$(printf '%03o' "${b4}")" ++done <<-EOF ++ $(od -An -tu1 -v -w4 -) ++ EOF ++ ++b1=$(( ($crc & 0xFF000000) >> 24 )) ++b2=$(( ($crc & 0x00FF0000) >> 16 )) ++b3=$(( ($crc & 0x0000FF00) >> 8 )) ++b4=$(( ($crc & 0x000000FF) >> 0 )) ++printf "\\$(printf '%03o' "${b1}")" ++printf "\\$(printf '%03o' "${b2}")" ++printf "\\$(printf '%03o' "${b3}")" ++printf "\\$(printf '%03o' "${b4}")" |