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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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ba97df4558
You do not have to use define ... endef for filechk_* rules. For simple cases, the use of assignment looks cleaner, IMHO. I updated the usage for scripts/Kbuild.include in case somebody misunderstands the 'define ... endif' is the requirement. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
72 lines
1.7 KiB
Makefile
72 lines
1.7 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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#
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# Kbuild for top-level directory of the kernel
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# This file takes care of the following:
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# 1) Generate bounds.h
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# 2) Generate timeconst.h
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# 3) Generate asm-offsets.h (may need bounds.h and timeconst.h)
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# 4) Check for missing system calls
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# 5) Generate constants.py (may need bounds.h)
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#####
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# 1) Generate bounds.h
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bounds-file := include/generated/bounds.h
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always := $(bounds-file)
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targets := kernel/bounds.s
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$(bounds-file): kernel/bounds.s FORCE
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$(call filechk,offsets,__LINUX_BOUNDS_H__)
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#####
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# 2) Generate timeconst.h
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timeconst-file := include/generated/timeconst.h
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targets += $(timeconst-file)
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filechk_gentimeconst = echo $(CONFIG_HZ) | bc -q $<
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$(timeconst-file): kernel/time/timeconst.bc FORCE
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$(call filechk,gentimeconst)
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#####
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# 3) Generate asm-offsets.h
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#
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offsets-file := include/generated/asm-offsets.h
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always += $(offsets-file)
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targets += arch/$(SRCARCH)/kernel/asm-offsets.s
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arch/$(SRCARCH)/kernel/asm-offsets.s: $(timeconst-file) $(bounds-file)
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$(offsets-file): arch/$(SRCARCH)/kernel/asm-offsets.s FORCE
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$(call filechk,offsets,__ASM_OFFSETS_H__)
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#####
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# 4) Check for missing system calls
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#
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always += missing-syscalls
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targets += missing-syscalls
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quiet_cmd_syscalls = CALL $<
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cmd_syscalls = $(CONFIG_SHELL) $< $(CC) $(c_flags) $(missing_syscalls_flags)
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missing-syscalls: scripts/checksyscalls.sh $(offsets-file) FORCE
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$(call cmd,syscalls)
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#####
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# 5) Generate constants for Python GDB integration
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#
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extra-$(CONFIG_GDB_SCRIPTS) += build_constants_py
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build_constants_py: $(timeconst-file) $(bounds-file)
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@$(MAKE) $(build)=scripts/gdb/linux $@
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# Keep these three files during make clean
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no-clean-files := $(bounds-file) $(offsets-file) $(timeconst-file)
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