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sunxi-tools/Makefile
Siarhei Siamashka 776cf5543b Fix compatibility with Linaro toolchains for building ARM binaries 
Add DISCARD directives to the linker scripts and also -marm option
to GCC command line. Without this, certain toolchains may build
Thumb2 code by default. Also junk sections may be present in the
final binary and they need to be removed.

This helps at least when using the following Linaro toolchain:
gcc-linaro-5.1-2015.08-x86_64_arm-linux-gnueabihf.tar.xz

Signed-off-by: Siarhei Siamashka <siarhei.siamashka@gmail.com>
Reviewed-by: Bernhard Nortmann <bernhard.nortmann@web.de>
2016-05-06 13:33:15 +02:00

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5.1 KiB
Makefile
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# Copyright (C) 2012 Alejandro Mery <amery@geeks.cl>
# Copyright (C) 2012,2013 Henrik Nordstrom <henrik@henriknordstrom.net>
# Copyright (C) 2013 Patrick Wood <patrickhwood@gmail.com>
# Copyright (C) 2013 Pat Wood <Pat.Wood@efi.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
CC ?= gcc
CFLAGS = -g -O0 -Wall -Wextra $(EXTRA_CFLAGS)
CFLAGS += -std=c99 $(DEFINES)
CFLAGS += -Iinclude/
DEFINES = -D_POSIX_C_SOURCE=200112L
# Define _BSD_SOURCE, necessary to expose all endian conversions properly.
# See http://linux.die.net/man/3/endian
DEFINES += -D_BSD_SOURCE
# glibc 2.20+ also requires _DEFAULT_SOURCE
DEFINES += -D_DEFAULT_SOURCE
ifeq (NetBSD,$(OS))
# add explicit _NETBSD_SOURCE, see https://github.com/linux-sunxi/sunxi-tools/pull/22
DEFINES += -D_NETBSD_SOURCE
endif
# Tools useful on host and target
TOOLS = sunxi-fexc sunxi-bootinfo sunxi-fel sunxi-nand-part
# Symlinks to sunxi-fexc
FEXC_LINKS = bin2fex fex2bin
# Tools which are only useful on the target
TARGET_TOOLS = sunxi-pio
MISC_TOOLS = phoenix_info
# ARM binaries and images
# Note: To use this target, set/adjust CROSS_COMPILE and MKSUNXIBOOT if needed
BINFILES = fel-pio.bin jtag-loop.sunxi fel-sdboot.sunxi
CROSS_COMPILE ?= arm-none-eabi-
MKSUNXIBOOT ?= mksunxiboot
DESTDIR ?=
PREFIX ?= /usr/local
BINDIR ?= $(PREFIX)/bin
.PHONY: all clean tools target-tools install install-tools install-target-tools
all: tools target-tools
tools: $(TOOLS) $(FEXC_LINKS)
target-tools: $(TARGET_TOOLS)
misc: $(MISC_TOOLS)
binfiles: $(BINFILES)
install: install-tools install-target-tools
install-tools: $(TOOLS)
install -d $(DESTDIR)$(BINDIR)
@set -ex ; for t in $^ ; do \
install -m0755 $$t $(DESTDIR)$(BINDIR)/$$t ; \
done
@set -ex ; for l in $(FEXC_LINKS) ; do \
ln -nfs sunxi-fexc $(DESTDIR)$(BINDIR)/$$l ; \
done
install-target-tools: $(TARGET_TOOLS)
install -d $(DESTDIR)$(BINDIR)
@set -ex ; for t in $^ ; do \
install -m0755 $$t $(DESTDIR)$(BINDIR)/$$t ; \
done
clean:
@rm -vf $(TOOLS) $(FEXC_LINKS) $(TARGET_TOOLS) $(MISC_TOOLS)
@rm -vf *.o *.elf *.sunxi *.bin *.nm *.orig
$(TOOLS) $(TARGET_TOOLS): Makefile common.h
fex2bin bin2fex: sunxi-fexc
ln -nsf $< $@
sunxi-fexc: fexc.h script.h script.c \
script_uboot.h script_uboot.c \
script_bin.h script_bin.c \
script_fex.h script_fex.c
LIBUSB = libusb-1.0
LIBUSB_CFLAGS = `pkg-config --cflags $(LIBUSB)`
LIBUSB_LIBS = `pkg-config --libs $(LIBUSB)`
sunxi-fel: fel.c fel-to-spl-thunk.h progress.c progress.h
$(CC) $(CFLAGS) $(LIBUSB_CFLAGS) $(LDFLAGS) -o $@ $(filter %.c,$^) $(LIBS) $(LIBUSB_LIBS)
sunxi-nand-part: nand-part-main.c nand-part.c nand-part-a10.h nand-part-a20.h
$(CC) $(CFLAGS) -c -o nand-part-main.o nand-part-main.c
$(CC) $(CFLAGS) -c -o nand-part-a10.o nand-part.c -D A10
$(CC) $(CFLAGS) -c -o nand-part-a20.o nand-part.c -D A20
$(CC) $(LDFLAGS) -o $@ nand-part-main.o nand-part-a10.o nand-part-a20.o $(LIBS)
sunxi-%: %.c
$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $(filter %.c,$^) $(LIBS)
%.bin: %.elf
$(CROSS_COMPILE)objcopy -O binary $< $@
%.sunxi: %.bin
$(MKSUNXIBOOT) $< $@
fel-pio.bin: fel-pio.elf fel-pio.nm
ARM_ELF_FLAGS = -Os -marm -fpic -Wall
ARM_ELF_FLAGS += -fno-common -fno-builtin -ffreestanding -nostdinc
ARM_ELF_FLAGS += -mno-thumb-interwork -fno-stack-protector -fno-toplevel-reorder
ARM_ELF_FLAGS += -Wstrict-prototypes -Wno-format-nonliteral -Wno-format-security
fel-pio.elf: fel-pio.c fel-pio.lds
$(CROSS_COMPILE)gcc -g $(ARM_ELF_FLAGS) $< -nostdlib -o $@ -T fel-pio.lds
fel-pio.nm: fel-pio.elf
$(CROSS_COMPILE)nm $< | grep -v " _" >$@
jtag-loop.elf: jtag-loop.c jtag-loop.lds
$(CROSS_COMPILE)gcc -g $(ARM_ELF_FLAGS) $< -nostdlib -o $@ -T jtag-loop.lds -Wl,-N
fel-sdboot.elf: fel-sdboot.c fel-sdboot.lds
$(CROSS_COMPILE)gcc -g $(ARM_ELF_FLAGS) $< -nostdlib -o $@ -T fel-sdboot.lds -Wl,-N
boot_head_sun3i.elf: boot_head.S boot_head.lds
$(CROSS_COMPILE)gcc -g $(ARM_ELF_FLAGS) $< -nostdlib -o $@ -T boot_head.lds -Wl,-N -DMACHID=0x1094
boot_head_sun4i.elf: boot_head.S boot_head.lds
$(CROSS_COMPILE)gcc -g $(ARM_ELF_FLAGS) $< -nostdlib -o $@ -T boot_head.lds -Wl,-N -DMACHID=0x1008
boot_head_sun5i.elf: boot_head.S boot_head.lds
$(CROSS_COMPILE)gcc -g $(ARM_ELF_FLAGS) $< -nostdlib -o $@ -T boot_head.lds -Wl,-N -DMACHID=0x102A
sunxi-bootinfo: bootinfo.c
sunxi-meminfo: meminfo.c
$(CROSS_COMPILE)gcc -g -O0 -Wall -static -o $@ $^
sunxi-script_extractor: script_extractor.c
$(CROSS_COMPILE)gcc -g -O0 -Wall -static -o $@ $^
.gitignore: Makefile
@for x in $(TOOLS) $(FEXC_LINKS) $(TARGET_TOOLS) '*.o' '*.swp'; do \
echo "$$x"; \
done > $@
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