00e6c92304
Add OProfile support for metag, using the perf backend, and falling back to generic timer based sampling if perf counter interrupt support is disabled. The oprofile code prepends "metag/" to the perf pmu name to give "metag/meta2" which is more consistent with other oprofile arch names. The backtrace code makes use of <asm/stacktrace.h> for kernel backtracing, and a simple frame pointer walk for userland backtracing. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Robert Richter <rric@kernel.org> Cc: oprofile-list@lists.sf.net
90 lines
2.5 KiB
Makefile
90 lines
2.5 KiB
Makefile
#
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# metag/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" cleaning up for 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) 1994 by Linus Torvalds
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# 2007,2008,2012 by Imagination Technologies Ltd.
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#
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LDFLAGS :=
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OBJCOPYFLAGS := -O binary -R .note -R .comment -S
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checkflags-$(CONFIG_METAG_META12) += -DMETAC_1_2
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checkflags-$(CONFIG_METAG_META21) += -DMETAC_2_1
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CHECKFLAGS += -D__metag__ $(checkflags-y)
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KBUILD_DEFCONFIG := meta2_defconfig
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sflags-$(CONFIG_METAG_META12) += -mmetac=1.2
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ifeq ($(CONFIG_METAG_META12),y)
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# Only use TBI API 1.4 if DSP is enabled for META12 cores
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sflags-$(CONFIG_METAG_DSP) += -DTBI_1_4
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endif
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sflags-$(CONFIG_METAG_META21) += -mmetac=2.1 -DTBI_1_4
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cflags-$(CONFIG_METAG_FUNCTION_TRACE) += -mhwtrace-leaf -mhwtrace-retpc
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cflags-$(CONFIG_METAG_META21) += -mextensions=bex
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KBUILD_CFLAGS += -pipe
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KBUILD_CFLAGS += -ffunction-sections
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KBUILD_CFLAGS += $(sflags-y) $(cflags-y)
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KBUILD_AFLAGS += $(sflags-y)
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LDFLAGS_vmlinux := $(ldflags-y)
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head-y := arch/metag/kernel/head.o
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core-y += arch/metag/boot/dts/
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core-y += arch/metag/kernel/
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core-y += arch/metag/mm/
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libs-y += arch/metag/lib/
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libs-y += arch/metag/tbx/
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drivers-$(CONFIG_OPROFILE) += arch/metag/oprofile/
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boot := arch/metag/boot
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boot_targets += uImage
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boot_targets += uImage.gz
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boot_targets += uImage.bz2
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boot_targets += uImage.xz
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boot_targets += uImage.lzo
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boot_targets += uImage.bin
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boot_targets += vmlinux.bin
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PHONY += $(boot_targets)
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all: vmlinux.bin
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$(boot_targets): vmlinux
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$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
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%.dtb %.dtb.S %.dtb.o: scripts
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$(Q)$(MAKE) $(build)=$(boot)/dts $(boot)/dts/$@
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dtbs: scripts
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$(Q)$(MAKE) $(build)=$(boot)/dts dtbs
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archclean:
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$(Q)$(MAKE) $(clean)=$(boot)
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define archhelp
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echo '* vmlinux.bin - Binary kernel image (arch/$(ARCH)/boot/vmlinux.bin)'
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@echo ' uImage - Alias to bootable U-Boot image'
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@echo ' uImage.bin - Kernel-only image for U-Boot (bin)'
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@echo ' uImage.gz - Kernel-only image for U-Boot (gzip)'
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@echo ' uImage.bz2 - Kernel-only image for U-Boot (bzip2)'
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@echo ' uImage.xz - Kernel-only image for U-Boot (xz)'
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@echo ' uImage.lzo - Kernel-only image for U-Boot (lzo)'
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@echo ' dtbs - Build device tree blobs for enabled boards'
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endef
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