From 3a2310e05c971e3b46e9e91886bbc467ae49cdb6 Mon Sep 17 00:00:00 2001 From: Bruce Griffith Date: Wed, 16 Jul 2014 11:25:21 -0600 Subject: AMD Steppe Eagle: Add 32-bit Fletcher's Checksum computation The AMD Platform Security Processor (PSP) requires a Fletcher's Checksum at the end of the PSP directory. This code implements a Fletcher's Checksum by reading bytes from stdin and writes the bytes back to stdout with a checksum inserted into the byte stream at the appropriate offset. This utility is used on PSP binaries during coreboot build. Include a runtime debug option such that the command: fletcher --print file_with_cksum.bin will print out the computed checksum value for debugging. The compile-time debug option is retained that allows -DDEBUG to be added to the compilation line. This option has the same effect as "--print". Change-Id: I506a479d8204ca4f8267d53aa152ac4b473dbc75 Signed-off-by: Bruce Griffith Reviewed-on: http://review.coreboot.org/6676 Reviewed-by: WANG Siyuan Tested-by: build bot (Jenkins) Reviewed-by: Zheng Bao --- util/fletcher/Makefile | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 util/fletcher/Makefile (limited to 'util/fletcher/Makefile') diff --git a/util/fletcher/Makefile b/util/fletcher/Makefile new file mode 100644 index 0000000000..4f3957c632 --- /dev/null +++ b/util/fletcher/Makefile @@ -0,0 +1,37 @@ +#***************************************************************************** +# +# Copyright (c) 2014, Sage Electronic Engineering, LLC +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are met: +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * 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. +# * Neither the name of Advanced Micro Devices, 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 ADVANCED MICRO DEVICES, INC. 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. +# +#***************************************************************************** +HOSTCC ?= gcc + +fletcher_exe : fletcher.c + $(HOSTCC) fletcher.c -o fletcher + +fletcher : fletcher_exe + +clean: + @rm -f fletcher.o fletcher fletcher.exe -- cgit v1.2.3