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Use perf framework to manage hardware instruction and data breakpoints. LoongArch defines hardware watchpoint functions for instruction fetch and memory load/store operations. After the software configures hardware watchpoints, the processor hardware will monitor the access address of the instruction fetch and load/store operation, and trigger an exception of the watchpoint when it meets the conditions set by the watchpoint. The hardware monitoring points for instruction fetching and load/store operations each have a register for the overall configuration of all monitoring points, a register for recording the status of all monitoring points, and four registers required for configuration of each watchpoint individually. Signed-off-by: Qing Zhang <zhangqing@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
56 lines
1.5 KiB
Makefile
56 lines
1.5 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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#
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# Makefile for the Linux/LoongArch kernel.
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#
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extra-y := vmlinux.lds
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obj-y += head.o cpu-probe.o cacheinfo.o env.o setup.o entry.o genex.o \
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traps.o irq.o idle.o process.o dma.o mem.o io.o reset.o switch.o \
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elf.o syscall.o signal.o time.o topology.o inst.o ptrace.o vdso.o \
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alternative.o unwind.o
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obj-$(CONFIG_ACPI) += acpi.o
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obj-$(CONFIG_EFI) += efi.o
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obj-$(CONFIG_CPU_HAS_FPU) += fpu.o
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obj-$(CONFIG_ARCH_STRICT_ALIGN) += unaligned.o
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ifdef CONFIG_FUNCTION_TRACER
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ifndef CONFIG_DYNAMIC_FTRACE
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obj-y += mcount.o ftrace.o
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CFLAGS_REMOVE_ftrace.o = $(CC_FLAGS_FTRACE)
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else
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obj-y += mcount_dyn.o ftrace_dyn.o
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CFLAGS_REMOVE_ftrace_dyn.o = $(CC_FLAGS_FTRACE)
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endif
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CFLAGS_REMOVE_inst.o = $(CC_FLAGS_FTRACE)
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CFLAGS_REMOVE_time.o = $(CC_FLAGS_FTRACE)
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CFLAGS_REMOVE_perf_event.o = $(CC_FLAGS_FTRACE)
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endif
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obj-$(CONFIG_MODULES) += module.o module-sections.o
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obj-$(CONFIG_STACKTRACE) += stacktrace.o
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obj-$(CONFIG_PROC_FS) += proc.o
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obj-$(CONFIG_SMP) += smp.o
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obj-$(CONFIG_NUMA) += numa.o
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obj-$(CONFIG_MAGIC_SYSRQ) += sysrq.o
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obj-$(CONFIG_RELOCATABLE) += relocate.o
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obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o
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obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
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obj-$(CONFIG_UNWINDER_GUESS) += unwind_guess.o
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obj-$(CONFIG_UNWINDER_PROLOGUE) += unwind_prologue.o
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obj-$(CONFIG_PERF_EVENTS) += perf_event.o perf_regs.o
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obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.o
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CPPFLAGS_vmlinux.lds := $(KBUILD_CFLAGS)
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