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