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Andre Przywara 14b3492e41 fel: Add FIT image parsing and loading 
So far sunxi-fel expects a legacy U-Boot image after the SPL, when
called with the "uboot" command.
This only works for (current) 32-bit builds, which only need one image
to load (U-Boot proper).

64-bit builds also include at least a Trusted Firmware binary, and also
might contain a firmware image for the ARISC management processor. So
we use the more capable FIT image, which can contain multiple images
to load.

Introduce support for that, by adding code to parse a FIT image, find
the image files included, and load them to their respective load
addresses. On the way we keep track of the entry point, that only one of
those images provides, and also note the architecture of this image
(ARMv7 or AArch64).
On top of that we detect which of the images is the actual U-Boot proper
image, and append the chosen DTB to the end of it.

This all mimics the code U-Boot's SPL uses to achieve the same goal when
running from MMC or SPI flash, compare the implementation of
spl_load_simple_fit() in U-Boot's common/spl/spl_fit.c:
https://gitlab.denx.de/u-boot/u-boot/-/blob/master/common/spl/spl_fit.c

This requires the libfdt library for parsing the FIT image (which is in
fact a devicetree blob).

Signed-off-by: Andre Przywara <osp@andrep.de>
2021-01-12 12:30:55 +00:00

208 lines
6.6 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/>.
# Windows predefines OS in the environment (to "Windows_NT"), otherwise use uname
OS ?= $(shell uname)
CC ?= gcc
DEFAULT_CFLAGS := -std=c99
DEFAULT_CFLAGS += -Wall -Wextra -Wno-unused-result
DEFAULT_CFLAGS += -D_POSIX_C_SOURCE=200112L
# Define _BSD_SOURCE, necessary to expose all endian conversions properly.
# See http://linux.die.net/man/3/endian
DEFAULT_CFLAGS += -D_BSD_SOURCE
# glibc 2.20+ also requires _DEFAULT_SOURCE
DEFAULT_CFLAGS += -D_DEFAULT_SOURCE
ifeq ($(OS),NetBSD)
# add explicit _NETBSD_SOURCE, see https://github.com/linux-sunxi/sunxi-tools/pull/22
DEFAULT_CFLAGS += -D_NETBSD_SOURCE
endif
DEFAULT_CFLAGS += -Iinclude/
# Tools useful on host and target
TOOLS = sunxi-fexc sunxi-bootinfo sunxi-fel sunxi-nand-part sunxi-pio
# Symlinks to sunxi-fexc
FEXC_LINKS = bin2fex fex2bin
# Tools which are only useful on the target
TARGET_TOOLS = sunxi-meminfo
# Misc tools (of more "exotic" nature) not part of our default build / install
MISC_TOOLS = phoenix_info sunxi-nand-image-builder
# ARM binaries and images
# Note: To use this target, set/adjust CROSS_COMPILE and MKSUNXIBOOT if needed
BINFILES = jtag-loop.sunxi fel-sdboot.sunxi uart0-helloworld-sdboot.sunxi
MKSUNXIBOOT ?= mksunxiboot
PATH_DIRS := $(shell echo $$PATH | sed -e 's/:/ /g')
# Try to guess a suitable default ARM cross toolchain
CROSS_DEFAULT := arm-none-eabi-
CROSS_COMPILE ?= $(or $(shell ./find-arm-gcc.sh),$(CROSS_DEFAULT))
CROSS_CC := $(CROSS_COMPILE)gcc
DESTDIR ?=
PREFIX ?= /usr/local
BINDIR ?= $(PREFIX)/bin
.PHONY: all clean tools target-tools install install-tools install-target-tools
.PHONY: check
tools: $(TOOLS) $(FEXC_LINKS)
target-tools: $(TARGET_TOOLS)
all: tools target-tools
misc: $(MISC_TOOLS)
binfiles: $(BINFILES)
install: install-tools
install-all: install-tools install-target-tools
install-tools: $(TOOLS)
install -d $(DESTDIR)$(BINDIR)
@set -ex ; for t in $^ ; do \
install -m0755 $$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
install-misc: $(MISC_TOOLS)
install -d $(DESTDIR)$(BINDIR)
@set -ex ; for t in $^ ; do \
install -m0755 $$t $(DESTDIR)$(BINDIR)/$$t ; \
done
clean:
make -C tests/ clean
@rm -vf $(TOOLS) $(FEXC_LINKS) $(TARGET_TOOLS) $(MISC_TOOLS)
@rm -vf version.h *.o *.elf *.sunxi *.bin *.nm *.orig
$(TOOLS) $(TARGET_TOOLS) $(MISC_TOOLS): Makefile common.h version.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)`
ZLIB = zlib
ZLIB_CFLAGS ?= `pkg-config --cflags $(ZLIB)`
ZLIB_LIBS ?= `pkg-config --libs $(ZLIB)`
ifeq ($(OS),Windows_NT)
# Windows lacks mman.h / mmap()
DEFAULT_CFLAGS += -DNO_MMAP
# portable_endian.h relies on winsock2
LIBS += -lws2_32
endif
HOST_CFLAGS = $(DEFAULT_CFLAGS) $(CFLAGS)
PROGRESS := progress.c progress.h
SOC_INFO := soc_info.c soc_info.h
FEL_LIB := fel_lib.c fel_lib.h
SPI_FLASH:= fel-spiflash.c fel-spiflash.h fel-remotefunc-spi-data-transfer.h
sunxi-fel: fel.c fit_image.c thunks/fel-to-spl-thunk.h $(PROGRESS) $(SOC_INFO) $(FEL_LIB) $(SPI_FLASH)
$(CC) $(HOST_CFLAGS) $(LIBUSB_CFLAGS) $(ZLIB_CFLAGS) $(LDFLAGS) -o $@ \
$(filter %.c,$^) $(LIBS) $(LIBUSB_LIBS) $(ZLIB_LIBS) -lfdt
sunxi-nand-part: nand-part-main.c nand-part.c nand-part-a10.h nand-part-a20.h
$(CC) $(HOST_CFLAGS) -c -o nand-part-main.o nand-part-main.c
$(CC) $(HOST_CFLAGS) -c -o nand-part-a10.o nand-part.c -D A10
$(CC) $(HOST_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) $(HOST_CFLAGS) $(LDFLAGS) -o $@ $(filter %.c,$^) $(LIBS)
phoenix_info: phoenix_info.c
$(CC) $(HOST_CFLAGS) $(LDFLAGS) -o $@ $< $(LIBS)
%.bin: %.elf
$(CROSS_COMPILE)objcopy -O binary $< $@
%.sunxi: %.bin
$(MKSUNXIBOOT) $< $@
ARM_ELF_FLAGS = -Os -marm -fpic -Wall
ARM_ELF_FLAGS += -fno-common -fno-builtin -ffreestanding -nostdinc -fno-strict-aliasing
ARM_ELF_FLAGS += -mno-thumb-interwork -fno-stack-protector -fno-toplevel-reorder
ARM_ELF_FLAGS += -Wstrict-prototypes -Wno-format-nonliteral -Wno-format-security
jtag-loop.elf: jtag-loop.c jtag-loop.lds
$(CROSS_CC) -g $(ARM_ELF_FLAGS) $< -nostdlib -o $@ -T jtag-loop.lds -Wl,-N
fel-sdboot.elf: fel-sdboot.S fel-sdboot.lds
$(CROSS_CC) -g $(ARM_ELF_FLAGS) $< -nostdlib -o $@ -T fel-sdboot.lds -Wl,-N
uart0-helloworld-sdboot.elf: uart0-helloworld-sdboot.c uart0-helloworld-sdboot.lds
$(CROSS_CC) -g $(ARM_ELF_FLAGS) $< -nostdlib -o $@ -T uart0-helloworld-sdboot.lds -Wl,-N
boot_head_sun3i.elf: boot_head.S boot_head.lds
$(CROSS_CC) -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_CC) -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_CC) -g $(ARM_ELF_FLAGS) $< -nostdlib -o $@ -T boot_head.lds -Wl,-N -DMACHID=0x102A
sunxi-bootinfo: bootinfo.c
# "preprocessed" .h files for inclusion of ARM thunk code
headers:
make -C thunks/ CROSS_COMPILE=$(CROSS_COMPILE)
# target tools
TARGET_CFLAGS = $(DEFAULT_CFLAGS) -static $(CFLAGS)
sunxi-meminfo: meminfo.c
$(CROSS_CC) $(TARGET_CFLAGS) -o $@ $<
sunxi-script_extractor: script_extractor.c
$(CROSS_CC) $(TARGET_CFLAGS) -o $@ $<
version.h:
@./autoversion.sh > $@
.gitignore: Makefile
@for x in $(TOOLS) $(FEXC_LINKS) $(TARGET_TOOLS) version.h '*.o' '*.swp'; do \
echo "$$x"; \
done | sort -V > $@
check: $(FEXC_LINKS)
make -C tests/
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