/arch/frv/Makefile

  1#
  2# frv/Makefile
  3#
  4# This file is included by the global makefile so that you can add your own
  5# architecture-specific flags and dependencies. Remember to do have actions
  6# for "archclean" and "archdep" for cleaning up and making dependencies for
  7# this architecture
  8#
  9# This file is subject to the terms and conditions of the GNU General Public
 10# License.  See the file "COPYING" in the main directory of this archive
 11# for more details.
 12#
 13# Copyright (c) 2003, 2004 Red Hat Inc.
 14# - Written by David Howells <dhowells@redhat.com>
 15# - Derived from arch/m68knommu/Makefile,
 16#	Copyright (c) 1999,2001  D. Jeff Dionne <jeff@lineo.ca>,
 17#	Rt-Control Inc. / Lineo, Inc.
 18#
 19# Copyright (C) 1998,1999  D. Jeff Dionne <jeff@uclinux.org>,
 20#                          Kenneth Albanowski <kjahds@kjahds.com>,
 21#
 22# Based on arch/m68k/Makefile:
 23# Copyright (C) 1994 by Hamish Macdonald
 24#
 25
 26CCSPECS	:= $(shell $(CC) -v 2>&1 | grep "^Reading specs from " | head -1 | cut -c20-)
 27CCDIR	:= $(strip $(patsubst %/specs,%,$(CCSPECS)))
 28CPUCLASS := fr400
 29
 30# test for cross compiling
 31COMPILE_ARCH = $(shell uname -m)
 32
 33ifdef CONFIG_MMU
 34UTS_SYSNAME = -DUTS_SYSNAME=\"Linux\"
 35else
 36UTS_SYSNAME = -DUTS_SYSNAME=\"uClinux\"
 37endif
 38
 39ARCHMODFLAGS	+= -G0 -mlong-calls
 40
 41ifdef CONFIG_GPREL_DATA_8
 42KBUILD_CFLAGS	+= -G8
 43else
 44ifdef CONFIG_GPREL_DATA_4
 45KBUILD_CFLAGS	+= -G4
 46else
 47ifdef CONFIG_GPREL_DATA_NONE
 48KBUILD_CFLAGS	+= -G0
 49endif
 50endif
 51endif
 52
 53#LDFLAGS_vmlinux	:= -Map linkmap.txt
 54
 55ifdef CONFIG_GC_SECTIONS
 56KBUILD_CFLAGS	+= -ffunction-sections -fdata-sections
 57LINKFLAGS	+= --gc-sections
 58endif
 59
 60ifndef CONFIG_FRAME_POINTER
 61KBUILD_CFLAGS	+= -mno-linked-fp
 62endif
 63
 64ifdef CONFIG_CPU_FR451_COMPILE
 65KBUILD_CFLAGS	+= -mcpu=fr450
 66KBUILD_AFLAGS	+= -mcpu=fr450
 67ASFLAGS		+= -mcpu=fr450
 68else
 69ifdef CONFIG_CPU_FR551_COMPILE
 70KBUILD_CFLAGS	+= -mcpu=fr550
 71KBUILD_AFLAGS	+= -mcpu=fr550
 72ASFLAGS		+= -mcpu=fr550
 73else
 74KBUILD_CFLAGS	+= -mcpu=fr400
 75KBUILD_AFLAGS	+= -mcpu=fr400
 76ASFLAGS		+= -mcpu=fr400
 77endif
 78endif
 79
 80# pretend the kernel is going to run on an FR400 with no media-fp unit
 81# - reserve CC3 for use with atomic ops
 82# - all the extra registers are dealt with only at context switch time
 83KBUILD_CFLAGS	+= -mno-fdpic -mgpr-32 -msoft-float -mno-media
 84KBUILD_CFLAGS	+= -ffixed-fcc3 -ffixed-cc3 -ffixed-gr15 -ffixed-icc2
 85KBUILD_AFLAGS	+= -mno-fdpic
 86ASFLAGS		+= -mno-fdpic
 87
 88# make sure the .S files get compiled with debug info
 89# and disable optimisations that are unhelpful whilst debugging
 90ifdef CONFIG_DEBUG_INFO
 91#KBUILD_CFLAGS	+= -O1
 92KBUILD_AFLAGS	+= -Wa,--gdwarf2
 93ASFLAGS		+= -Wa,--gdwarf2
 94endif
 95
 96head-y		:= arch/frv/kernel/head.o arch/frv/kernel/init_task.o
 97
 98core-y		+= arch/frv/kernel/ arch/frv/mm/
 99libs-y		+= arch/frv/lib/
100
101core-$(CONFIG_MB93090_MB00)	+= arch/frv/mb93090-mb00/
102
103all: Image
104
105Image: vmlinux
106	$(Q)$(MAKE) $(build)=arch/frv/boot $@
107
108bootstrap:
109	$(Q)$(MAKEBOOT) bootstrap
110
111archclean:
112	$(Q)$(MAKE) $(clean)=arch/frv/boot
113
114archdep: scripts/mkdep symlinks
115	$(Q)$(MAKE) $(build)=arch/frv/boot dep