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tools: arm64: Add a Makefile for generating sysreg-defs.h

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Use a common Makefile for generating sysreg-defs.h, which will soon be
needed by perf and KVM selftests. The naming scheme of the generated
macros is not expected to change, so just refer to the canonical
script/data in the kernel source rather than copying to tools.

Co-developed-by: Jing Zhang <jingzhangos@google.com>
Signed-off-by: Jing Zhang <jingzhangos@google.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20231011195740.3349631-2-oliver.upton@linux.dev
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
This commit is contained in:
Oliver Upton 2023-10-11 19:57:36 +00:00
parent dafa493dd0
commit 02e85f7466
2 changed files with 39 additions and 0 deletions
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1
tools/arch/arm64/include/.gitignore vendored Normal file
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@ -0,0 +1 @@
generated/

38
tools/arch/arm64/tools/Makefile Normal file
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# SPDX-License-Identifier: GPL-2.0
ifeq ($(srctree),)
srctree := $(patsubst %/,%,$(dir $(CURDIR)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
endif
include $(srctree)/tools/scripts/Makefile.include
AWK ?= awk
MKDIR ?= mkdir
RM ?= rm
ifeq ($(V),1)
Q =
else
Q = @
endif
arm64_tools_dir = $(srctree)/arch/arm64/tools
arm64_sysreg_tbl = $(arm64_tools_dir)/sysreg
arm64_gen_sysreg = $(arm64_tools_dir)/gen-sysreg.awk
arm64_generated_dir = $(srctree)/tools/arch/arm64/include/generated
arm64_sysreg_defs = $(arm64_generated_dir)/asm/sysreg-defs.h
all: $(arm64_sysreg_defs)
@:
$(arm64_sysreg_defs): $(arm64_gen_sysreg) $(arm64_sysreg_tbl)
$(Q)$(MKDIR) -p $(dir $@)
$(QUIET_GEN)$(AWK) -f $^ > $@
clean:
$(Q)$(RM) -rf $(arm64_generated_dir)
.PHONY: all clean