#
# frv/Makefile
#
# This file is included by the global makefile so that you can add your own
# architecture-specific flags and dependencies. Remember to do have actions
# for "archclean" and "archdep" for cleaning up and making dependencies for
# this architecture
#
# This file is subject to the terms and conditions of the GNU General Public
# License. See the file "COPYING" in the main directory of this archive
# for more details.
#
# Copyright (c) 2003, 2004 Red Hat Inc.
# - Written by David Howells <dhowells@redhat.com>
# - Derived from arch/m68knommu/Makefile,
# Copyright (c) 1999,2001 D. Jeff Dionne <jeff@lineo.ca>,
# Rt-Control Inc. / Lineo, Inc.
#
# Copyright (C) 1998,1999 D. Jeff Dionne <jeff@uclinux.org>,
# Kenneth Albanowski <kjahds@kjahds.com>,
#
# Based on arch/m68k/Makefile:
# Copyright (C) 1994 by Hamish Macdonald
#
CCSPECS := $(shell $(CC) -v 2>&1 | grep "^Reading specs from " | head -1 | cut -c20-)
CCDIR := $(strip $(patsubst %/specs,%,$(CCSPECS)))
CPUCLASS := fr400
# test for cross compiling
COMPILE_ARCH = $(shell uname -m)
ifdef CONFIG_MMU
UTS_SYSNAME = -DUTS_SYSNAME=\"Linux\"
else
UTS_SYSNAME = -DUTS_SYSNAME=\"uClinux\"
endif
ARCHMODFLAGS += -G0 -mlong-calls
ifdef CONFIG_GPREL_DATA_8
KBUILD_CFLAGS += -G8
else
ifdef CONFIG_GPREL_DATA_4
KBUILD_CFLAGS += -G4
else
ifdef CONFIG_GPREL_DATA_NONE
KBUILD_CFLAGS += -G0
endif
endif
endif
#LDFLAGS_vmlinux := -Map linkmap.txt
ifdef CONFIG_GC_SECTIONS
KBUILD_CFLAGS += -ffunction-sections -fdata-sections
LINKFLAGS += --gc-sections
endif
ifndef CONFIG_FRAME_POINTER
KBUILD_CFLAGS += -mno-linked-fp
endif
ifdef CONFIG_CPU_FR451_COMPILE
KBUILD_CFLAGS += -mcpu=fr450
KBUILD_AFLAGS += -mcpu=fr450
ASFLAGS += -mcpu=fr450
else
ifdef CONFIG_CPU_FR551_COMPILE
KBUILD_CFLAGS += -mcpu=fr550
KBUILD_AFLAGS += -mcpu=fr550
ASFLAGS += -mcpu=fr550
else
KBUILD_CFLAGS += -mcpu=fr400
KBUILD_AFLAGS += -mcpu=fr400
ASFLAGS += -mcpu=fr400
endif
endif
# pretend the kernel is going to run on an FR400 with no media-fp unit
# - reserve CC3 for use with atomic ops
# - all the extra registers are dealt with only at context switch time
KBUILD_CFLAGS += -mno-fdpic -mgpr-32 -msoft-float -mno-media
KBUILD_CFLAGS += -ffixed-fcc3 -ffixed-cc3 -ffixed-gr15 -ffixed-icc2
KBUILD_AFLAGS += -mno-fdpic
ASFLAGS += -mno-fdpic
# make sure the .S files get compiled with debug info
# and disable optimisations that are unhelpful whilst debugging
ifdef CONFIG_DEBUG_INFO
#KBUILD_CFLAGS += -O1
KBUILD_AFLAGS += -Wa,--gdwarf2
ASFLAGS += -Wa,--gdwarf2
endif
head-y := arch/frv/kernel/head.o arch/frv/kernel/init_task.o
core-y += arch/frv/kernel/ arch/frv/mm/
libs-y += arch/frv/lib/
core-$(CONFIG_MB93090_MB00) += arch/frv/mb93090-mb00/
all: Image
Image: vmlinux
$(Q)$(MAKE) $(build)=arch/frv/boot $@
bootstrap:
$(Q)$(MAKEBOOT) bootstrap
archclean:
$(Q)$(MAKE) $(clean)=arch/frv/boot
archdep: scripts/mkdep symlinks
$(Q)$(MAKE) $(build)=arch/frv/boot dep
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