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#
# Copyright (c) 2012, ARM Limited. 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 ARM nor the names of its
# contributors may be used to endorse or promote products
# derived from this software without specific prior written
# permission.
#
# Decrease the verbosity of the make script
# can be made verbose by passing V=1 at the make command line
ifdef V
KBUILD_VERBOSE = $(V)
else
KBUILD_VERBOSE = 0
endif
ifeq "$(KBUILD_VERBOSE)" "0"
Q=@
else
Q=
endif
VE?=TRUE
T2?=FALSE
L2_POLICY?=WF
LOBASE?=0x800
KERNADDR?=$(LOBASE)08000
# megabyte at which the vectors are located (almost always zero)
VECTBASE?=$(LOBASE)
# Set the megabyte that the BIOS code will execute at
HIBASE?=0x8FF
FSADDR?=0x8e400000
DEBUG=TRUE
# BOOT_CLUSTER is also defined in big-little/Makefile!
BOOT_CLUSTER?=0
# SWITCHER is also defined in big-little/Makefile!
SWITCHER?=TRUE
ifeq "$(BA)" ""
BOOTARGS=mem=255M console=ttyAMA0,115200 migration_cost=500 cachepolicy=writealloc
BA=$(BOOTARGS)
else
BOOTARGS=$(BA)
endif
V7_ASFLAGS=--apcs /inter --cpu=Eagle --keep \
--pd "BOOTARGS SETS \"$(BOOTARGS)\"" \
--pd "L2_POLICY SETS \"$(L2_POLICY)\"" \
--pd "VE SETL {$(VE)}" \
--pd "HIBASE SETS \"$(HIBASE)\""
CFLAGS:=--cpu=Eagle -O2 \
-DT2=$(T2) \
-DSETUPMMU=$(SETUPMMU) \
-DHIBASE=$(HIBASE) \
-DVE=$(VE) \
-DBOOT_CLUSTER=$(BOOT_CLUSTER) \
-DVECTBASE=$(VECTBASE) \
-DSWITCHER=$(SWITCHER)
ifdef DEBUG
CFLAGS += -g -O0
ASFLAGS += -g
V7_ASFLAGS += -g
endif
OBJS= boot.o bootargs.o c_start.o helpers.o kernel.o filesystem.o uart.o vectors.o bl_sec.o bl.o
.PHONY: all
all: img.axf
.PHONY: bl
bl:
make -C big-little bl.axf
.PHONY: bl_sec
bl_sec:
make -C big-little bl_sec.axf wboot.bin
.PHONY: clean
clean:
@echo " CLEAN"
$(Q)rm -f $(OBJS) img.axf *.map bl.S bl_sec.S
make -C big-little clean
# Extra dependencies
boot.o: emubuild.s
helpers.o : emubuild.s
%.o: %.S
@echo " AS $<"
$(Q)armasm $(V7_ASFLAGS) -o $@ $<
%.o: %.c
@echo " CC $<"
$(Q)armcc $(CFLAGS) -o $@ -c $<
bl.S:
make -C big-little bl.axf
@echo " MAP"
$(Q)./makemap big-little/bl.axf bl
bl.o: bl.S
@echo " AS $<"
$(Q)armasm $(V7_ASFLAGS) -o $@ $<
bl_sec.S:
make -C big-little bl_sec.axf wboot.bin
@echo " MAP"
$(Q)./makemap big-little/bl_sec.axf bl_sec
bl_sec.o: bl_sec.S
@echo " AS $<"
$(Q)armasm $(V7_ASFLAGS) -o $@ $<
img.axf: $(OBJS)
$(Q)cat boot.map.template > boot.map
$(Q)cat bl_sec.map >> boot.map
$(Q)cat bl.map >> boot.map
$(Q)sed -i \
-e "s/KERNADDRBA/$(shell perl -e "printf('0x%08X',$(KERNADDR)-0x7f00)")/g" \
-e "s/FSADDR/${FSADDR}/g" \
-e "s/HIBASE/${HIBASE}/g" \
-e "s/KERNADDR/${KERNADDR}/g" \
-e "s/VECTBASE/${VECTBASE}/g" \
boot.map
@echo " LD $@"
$(Q)armlink --entry $(VECTBASE)00000 -o $@ --scatter boot.map $(OBJS)
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