src/soc/nvidia/tegra124/lp0/Makefile

   1 ################################################################################
   2 ##
   3 ##
   4 ## This program is free software; you can redistribute it and/or modify
   5 ## it under the terms of the GNU General Public License as published by
   6 ## the Free Software Foundation; version 2 of the License.
   7 ##
   8 ## This program is distributed in the hope that it will be useful,
   9 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 ## GNU General Public License for more details.
  12 ##
  13 ################################################################################
  14
  15 -include ../../../../../.xcompile
  16 GCC_PREFIX?=$(CROSS_COMPILE_arm)
  17
  18 CC = $(GCC_PREFIX)gcc
  19 NM = $(GCC_PREFIX)nm
  20 OBJCOPY = $(GCC_PREFIX)objcopy
  21
  22 OPENSSL = openssl
  23 DD = dd
  24 CP = cp
  25 MV = mv
  26 RM = rm
  27
  28 SIGKEY = 00000000000000000000000000000000
  29
  30 .PHONY: all
  31 all: tegra_lp0_resume.fw
  32
  33 tegra_lp0_resume.elf: tegra_lp0_resume.ld tegra_lp0_resume.c
  34         $(CC) -marm -march=armv4t -mno-unaligned-access -nostdlib -static \
  35                 -Os -fpie -Wl,--build-id=none -ggdb3 -T tegra_lp0_resume.ld \
  36                 -include ../../../../include/stdint.h \
  37                 -include ../../../../commonlib/bsd/include/commonlib/bsd/compiler.h \
  38                 -o $@ $(filter %.c,$+)
  39
  40 tegra_lp0_resume.fw: tegra_lp0_resume.elf
  41         @# Get rid of any files we're about to create.
  42         $(RM) -f $@.nosig $@.sig $@.tosig
  43         @# Convert the ELF image into a binary image.
  44         $(OBJCOPY) -O binary $< $@.nosig
  45         @# Extract the part of the binary which needs to be signed.
  46         $(DD) bs=1 skip=544 if=$@.nosig of=$@.tosig
  47         @# Calculate a signature for that part.
  48         $(OPENSSL) dgst -mac cmac -macopt cipher:aes-128-cbc \
  49                 -macopt hexkey:$(SIGKEY) -md5 -binary \
  50                 $@.tosig > $@.sig
  51         @# Inject the signature into the binary image's header.
  52         $(DD) conv=notrunc bs=1 seek=272 count=16 if=$@.sig of=$@.nosig
  53         @# Copy the signed binary to the target file name.
  54         $(MV) $@.nosig $@
  55
  56 distclean clean:
  57         $(RM) -f tegra_lp0_resume.fw tegra_lp0_resume.fw.sig
  58         $(RM) -f tegra_lp0_resume.fw.tosig tegra_lp0_resume.elf