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# __________ __ ___.
# Open \______ \ ____ ____ | | _\_ |__ _______ ___
# Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
# Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
# Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
# \/ \/ \/ \/ \/
# $Id$
#
ifndef V
SILENT = @
endif
CC = gcc
LD = ld
OC = objcopy
CROSS ?= arm-elf-eabi-
ROOTDIR = ../../..
FIRMDIR = $(ROOTDIR)/firmware
FWARM = $(FIRMDIR)/target/arm
FW8702 = $(FWARM)/s5l8702
BUILDDIR = build/
LINKFILE = dualboot.lds
# Edit the following variables when adding a new target.
# mks5lboot.c also needs to be edited to refer to these
# To add a new target x you need to:
# 1) add x to the list in TARGETS
# 2) create a variable named OPT_x of the form:
# OPT_x=target specific defines
TARGETS = ipod6g
OPT_ipod6g = -DIPOD_6G -DMEMORYSIZE=64
LOADERS = install uninstall
OPT_install =
OPT_uninstall = -DDUALBOOT_UNINSTALL
# target/loader specific options
$(foreach l, $(LOADERS),$(foreach t, $(TARGETS),\
$(eval OPT_$(l)_$(t) = $(OPT_$(l)) $(OPT_$(t)))))
DEFINES = -DBOOTLOADER
SOURCES = init.S dualboot.c
SOURCES += $(ROOTDIR)/lib/arm_support/support-arm.S
SOURCES += $(wildcard $(FIRMDIR)/asm/mem*.c $(FIRMDIR)/libc/mem*.c)
SOURCES += $(addprefix $(FWARM)/, mmu-arm.S)
SOURCES += $(addprefix $(FW8702)/, clocking-s5l8702.c spi-s5l8702.c norboot-s5l8702.c crypto-s5l8702.c)
# target/loader specific sources
SRCTARGET = piezo-.c
$(foreach l, $(LOADERS), $(foreach t, $(TARGETS),\
$(eval SRC_$(l)_$(t) = $(addprefix $(FW8702)/$(t)/, $(subst -.,-$(subst ipod,,$(t)).,$(SRCTARGET))))))
INCLUDES += -I. -I.. -I$(FIRMDIR) -I$(FWARM) -I$(FW8702)
INCLUDES += $(addprefix -I$(FIRMDIR)/, export include libc/include kernel/include)
# target/loader specific includes
$(foreach l,$(LOADERS),$(foreach t,$(TARGETS),$(eval INC_$(l)_$(t) = -I$(FW8702)/$(t))))
CFLAGS = $(INCLUDES) -mcpu=arm926ej-s -std=gnu99 -nostdlib -ffreestanding -Os -W -Wall\
-Wundef -Wstrict-prototypes -ffunction-sections -fdata-sections -Wl,--gc-sections $(DEFINES)
# Build filenames prefix
PFX = dualboot_
BOOTBINS = $(foreach l, $(LOADERS),$(foreach t, $(TARGETS),$(PFX)$(l)_$(t).arm-bin))
OUTPUTDUALBOOT = ../dualboot.h ../dualboot.c
OUTPUTDEBUG = $(BOOTBINS:%.arm-bin=$(BUILDDIR)%.arm-elf) $(BOOTBINS:%.arm-bin=$(BUILDDIR)%.lds)
all: $(BUILDDIR) $(OUTPUTDUALBOOT)
$(BUILDDIR)$(PFX)%.lds: $(LINKFILE)
@echo Creating $@
$(SILENT)$(CROSS)$(CC) $(INC_$*) $(CFLAGS) $(OPT_$*) -E -x c - < $< | sed '/#/d' > $@
$(BUILDDIR)$(PFX)%.arm-elf: $(BUILDDIR)$(PFX)%.lds $(SOURCES)
@echo CC -T $(notdir $^ $(SRC_$*))
$(SILENT)$(CROSS)$(CC) $(INC_$*) $(CFLAGS) $(OPT_$*) -o $@ -T$^ $(SRC_$*)
$(PFX)%.arm-bin: $(BUILDDIR)$(PFX)%.arm-elf
@echo OC $<
$(SILENT)$(CROSS)$(OC) -O binary $< $@
bin2c: bin2c.c
$(CC) -o $@ $<
$(OUTPUTDUALBOOT): bin2c $(BOOTBINS)
./bin2c ../dualboot $(BOOTBINS)
$(BUILDDIR):
mkdir -p $@
clean:
rm -rf bin2c $(BOOTBINS) $(BUILDDIR)
.PRECIOUS: $(OUTPUTDEBUG)
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