forked from luck/tmp_suning_uos_patched
b828f96021
The L2C-220 (AKA L220) and L2C-310 (AKA PL310) cache controllers feature a Performance Monitoring Unit (PMU), which can be useful for tuning and/or debugging. This hardware is always present and the relevant registers are accessible to non-secure accesses. Thus, no special firmware interface is necessary. This patch adds support for the PMU, plugging into the usual perf infrastructure. The overflow interrupt is not always available (e.g. on RealView PBX A9 it is not wired up at all), and the hardware counters saturate, so the driver does not make use of this. Instead, the driver periodically polls and reset counters as required to avoid losing events due to saturation. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Acked-by: Pawel Moll <pawel.moll@arm.com> Tested-by: Kim Phillips <kim.phillips@arm.com> Cc: Russell King <linux@armlinux.org.uk> Cc: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
110 lines
3.8 KiB
Makefile
110 lines
3.8 KiB
Makefile
#
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# Makefile for the linux arm-specific parts of the memory manager.
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#
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obj-y := dma-mapping.o extable.o fault.o init.o \
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iomap.o
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obj-$(CONFIG_MMU) += fault-armv.o flush.o idmap.o ioremap.o \
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mmap.o pgd.o mmu.o pageattr.o
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ifneq ($(CONFIG_MMU),y)
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obj-y += nommu.o
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endif
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obj-$(CONFIG_ARM_PTDUMP) += dump.o
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obj-$(CONFIG_MODULES) += proc-syms.o
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obj-$(CONFIG_ALIGNMENT_TRAP) += alignment.o
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obj-$(CONFIG_HIGHMEM) += highmem.o
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obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o
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obj-$(CONFIG_ARM_PV_FIXUP) += pv-fixup-asm.o
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obj-$(CONFIG_CPU_ABRT_NOMMU) += abort-nommu.o
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obj-$(CONFIG_CPU_ABRT_EV4) += abort-ev4.o
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obj-$(CONFIG_CPU_ABRT_EV4T) += abort-ev4t.o
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obj-$(CONFIG_CPU_ABRT_LV4T) += abort-lv4t.o
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obj-$(CONFIG_CPU_ABRT_EV5T) += abort-ev5t.o
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obj-$(CONFIG_CPU_ABRT_EV5TJ) += abort-ev5tj.o
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obj-$(CONFIG_CPU_ABRT_EV6) += abort-ev6.o
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obj-$(CONFIG_CPU_ABRT_EV7) += abort-ev7.o
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AFLAGS_abort-ev6.o :=-Wa,-march=armv6k
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AFLAGS_abort-ev7.o :=-Wa,-march=armv7-a
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obj-$(CONFIG_CPU_PABRT_LEGACY) += pabort-legacy.o
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obj-$(CONFIG_CPU_PABRT_V6) += pabort-v6.o
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obj-$(CONFIG_CPU_PABRT_V7) += pabort-v7.o
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obj-$(CONFIG_CPU_CACHE_V4) += cache-v4.o
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obj-$(CONFIG_CPU_CACHE_V4WT) += cache-v4wt.o
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obj-$(CONFIG_CPU_CACHE_V4WB) += cache-v4wb.o
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obj-$(CONFIG_CPU_CACHE_V6) += cache-v6.o
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obj-$(CONFIG_CPU_CACHE_V7) += cache-v7.o
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obj-$(CONFIG_CPU_CACHE_FA) += cache-fa.o
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obj-$(CONFIG_CPU_CACHE_NOP) += cache-nop.o
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obj-$(CONFIG_CPU_CACHE_V7M) += cache-v7m.o
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AFLAGS_cache-v6.o :=-Wa,-march=armv6
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AFLAGS_cache-v7.o :=-Wa,-march=armv7-a
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AFLAGS_cache-v7m.o :=-Wa,-march=armv7-m
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obj-$(CONFIG_CPU_COPY_V4WT) += copypage-v4wt.o
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obj-$(CONFIG_CPU_COPY_V4WB) += copypage-v4wb.o
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obj-$(CONFIG_CPU_COPY_FEROCEON) += copypage-feroceon.o
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obj-$(CONFIG_CPU_COPY_V6) += copypage-v6.o context.o
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obj-$(CONFIG_CPU_SA1100) += copypage-v4mc.o
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obj-$(CONFIG_CPU_XSCALE) += copypage-xscale.o
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obj-$(CONFIG_CPU_XSC3) += copypage-xsc3.o
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obj-$(CONFIG_CPU_COPY_FA) += copypage-fa.o
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CFLAGS_copypage-feroceon.o := -march=armv5te
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obj-$(CONFIG_CPU_TLB_V4WT) += tlb-v4.o
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obj-$(CONFIG_CPU_TLB_V4WB) += tlb-v4wb.o
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obj-$(CONFIG_CPU_TLB_V4WBI) += tlb-v4wbi.o
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obj-$(CONFIG_CPU_TLB_FEROCEON) += tlb-v4wbi.o # reuse v4wbi TLB functions
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obj-$(CONFIG_CPU_TLB_V6) += tlb-v6.o
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obj-$(CONFIG_CPU_TLB_V7) += tlb-v7.o
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obj-$(CONFIG_CPU_TLB_FA) += tlb-fa.o
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AFLAGS_tlb-v6.o :=-Wa,-march=armv6
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AFLAGS_tlb-v7.o :=-Wa,-march=armv7-a
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obj-$(CONFIG_CPU_ARM7TDMI) += proc-arm7tdmi.o
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obj-$(CONFIG_CPU_ARM720T) += proc-arm720.o
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obj-$(CONFIG_CPU_ARM740T) += proc-arm740.o
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obj-$(CONFIG_CPU_ARM9TDMI) += proc-arm9tdmi.o
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obj-$(CONFIG_CPU_ARM920T) += proc-arm920.o
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obj-$(CONFIG_CPU_ARM922T) += proc-arm922.o
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obj-$(CONFIG_CPU_ARM925T) += proc-arm925.o
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obj-$(CONFIG_CPU_ARM926T) += proc-arm926.o
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obj-$(CONFIG_CPU_ARM940T) += proc-arm940.o
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obj-$(CONFIG_CPU_ARM946E) += proc-arm946.o
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obj-$(CONFIG_CPU_FA526) += proc-fa526.o
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obj-$(CONFIG_CPU_ARM1020) += proc-arm1020.o
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obj-$(CONFIG_CPU_ARM1020E) += proc-arm1020e.o
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obj-$(CONFIG_CPU_ARM1022) += proc-arm1022.o
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obj-$(CONFIG_CPU_ARM1026) += proc-arm1026.o
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obj-$(CONFIG_CPU_SA110) += proc-sa110.o
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obj-$(CONFIG_CPU_SA1100) += proc-sa1100.o
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obj-$(CONFIG_CPU_XSCALE) += proc-xscale.o
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obj-$(CONFIG_CPU_XSC3) += proc-xsc3.o
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obj-$(CONFIG_CPU_MOHAWK) += proc-mohawk.o
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obj-$(CONFIG_CPU_FEROCEON) += proc-feroceon.o
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obj-$(CONFIG_CPU_V6) += proc-v6.o
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obj-$(CONFIG_CPU_V6K) += proc-v6.o
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obj-$(CONFIG_CPU_V7) += proc-v7.o
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obj-$(CONFIG_CPU_V7M) += proc-v7m.o
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AFLAGS_proc-v6.o :=-Wa,-march=armv6
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AFLAGS_proc-v7.o :=-Wa,-march=armv7-a
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obj-$(CONFIG_OUTER_CACHE) += l2c-common.o
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obj-$(CONFIG_CACHE_FEROCEON_L2) += cache-feroceon-l2.o
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obj-$(CONFIG_CACHE_L2X0) += cache-l2x0.o l2c-l2x0-resume.o
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obj-$(CONFIG_CACHE_L2X0_PMU) += cache-l2x0-pmu.o
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obj-$(CONFIG_CACHE_XSC3L2) += cache-xsc3l2.o
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obj-$(CONFIG_CACHE_TAUROS2) += cache-tauros2.o
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obj-$(CONFIG_CACHE_UNIPHIER) += cache-uniphier.o
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