tools/perf: Add basic support for LoongArch (4efd0de6) · Commits · EulixOS / Software / Kernel

scripts/Makefile

+8 −1

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	@@ -24,10 +24,17 @@ HOSTCFLAGS_extract-cert.o = $(CRYPTO_CFLAGS)
	HOSTLDLIBS_extract-cert = $(CRYPTO_LIBS)		HOSTLDLIBS_extract-cert = $(CRYPTO_LIBS)

	ifdef CONFIG_UNWINDER_ORC		ifdef CONFIG_UNWINDER_ORC
			# Additional ARCH settings for x86
	ifeq ($(ARCH),x86_64)		ifeq ($(ARCH),x86_64)
	ARCH := x86		ARCH := x86
	endif		endif
	HOSTCFLAGS_sorttable.o += -I$(srctree)/tools/arch/x86/include
			# Additional ARCH settings for loongarch
			ifeq ($(ARCH),loongarch64)
			ARCH := loongarch
			endif

			HOSTCFLAGS_sorttable.o += -I$(srctree)/tools/arch/$(ARCH)/include
	HOSTCFLAGS_sorttable.o += -DUNWINDER_ORC_ENABLED		HOSTCFLAGS_sorttable.o += -DUNWINDER_ORC_ENABLED
	HOSTLDLIBS_sorttable = -lpthread		HOSTLDLIBS_sorttable = -lpthread
	endif		endif

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+40 −0

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			/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
			#ifndef _ASM_LOONGARCH_PERF_REGS_H
			#define _ASM_LOONGARCH_PERF_REGS_H

			enum perf_event_loongarch_regs {
			PERF_REG_LOONGARCH_PC,
			PERF_REG_LOONGARCH_R1,
			PERF_REG_LOONGARCH_R2,
			PERF_REG_LOONGARCH_R3,
			PERF_REG_LOONGARCH_R4,
			PERF_REG_LOONGARCH_R5,
			PERF_REG_LOONGARCH_R6,
			PERF_REG_LOONGARCH_R7,
			PERF_REG_LOONGARCH_R8,
			PERF_REG_LOONGARCH_R9,
			PERF_REG_LOONGARCH_R10,
			PERF_REG_LOONGARCH_R11,
			PERF_REG_LOONGARCH_R12,
			PERF_REG_LOONGARCH_R13,
			PERF_REG_LOONGARCH_R14,
			PERF_REG_LOONGARCH_R15,
			PERF_REG_LOONGARCH_R16,
			PERF_REG_LOONGARCH_R17,
			PERF_REG_LOONGARCH_R18,
			PERF_REG_LOONGARCH_R19,
			PERF_REG_LOONGARCH_R20,
			PERF_REG_LOONGARCH_R21,
			PERF_REG_LOONGARCH_R22,
			PERF_REG_LOONGARCH_R23,
			PERF_REG_LOONGARCH_R24,
			PERF_REG_LOONGARCH_R25,
			PERF_REG_LOONGARCH_R26,
			PERF_REG_LOONGARCH_R27,
			PERF_REG_LOONGARCH_R28,
			PERF_REG_LOONGARCH_R29,
			PERF_REG_LOONGARCH_R30,
			PERF_REG_LOONGARCH_R31,
			PERF_REG_LOONGARCH_MAX = PERF_REG_LOONGARCH_R31 + 1,
			};
			#endif /* _ASM_LOONGARCH_PERF_REGS_H */

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			/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
			/*
			* Copyright (C) 2020-2021 Loongson Technology Corporation Limited
			*
			* This program is free software; you can redistribute it and/or modify
			* it under the terms of the GNU General Public License version 2 as
			* published by the Free Software Foundation.
			*
			* This program is distributed in the hope that it will be useful,
			* but WITHOUT ANY WARRANTY; without even the implied warranty of
			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
			* GNU General Public License for more details.
			*
			* You should have received a copy of the GNU General Public License
			* along with this program. If not, see <http://www.gnu.org/licenses/>.
			*/

			#define __ARCH_WANT_NEW_STAT
			#define __ARCH_WANT_SYS_CLONE
			#define __ARCH_WANT_SYS_CLONE3

			#include <asm-generic/unistd.h>

+7 −0

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	@@ -74,6 +74,13 @@ ifeq ($(SRCARCH),arm64)
	LIBUNWIND_LIBS = -lunwind -lunwind-aarch64		LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
	endif		endif

			ifeq ($(SRCARCH),loongarch)
			NO_PERF_REGS := 0
			CFLAGS += -I$(OUTPUT)arch/loongarch/include/generated
			CFLAGS += -I$(OUTPUT)../arch/loongarch/include/uapi
			LIBUNWIND_LIBS = -lunwind -lunwind-loongarch
			endif

	ifeq ($(SRCARCH),riscv)		ifeq ($(SRCARCH),riscv)
	NO_PERF_REGS := 0		NO_PERF_REGS := 0
	endif		endif

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+1 −0

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			perf-y += util/