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linux_dsm_epyc7002/arch/mips/Makefile.postlink

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MIPS: Use Makefile.postlink to insert relocations into vmlinux When relocatable support for MIPS was merged, there was no support for an architecture to add a postlink step for vmlinux. This meant that only invoking a target within the boot directory, such as uImage, caused the relocations to be inserted into vmlinux. Building just the vmlinux target would result in a relocatable kernel with no relocation information present. Commit fbe6e37dab97 ("kbuild: add arch specific post-link Makefile") recified this situation, so MIPS can now define a postlink step to add relocation information into vmlinux, and remove the additional steps tacked onto boot targets. Signed-off-by: Matt Redfearn <matt.redfearn@imgtec.com> Tested-by: Steven J. Hill <steven.hill@cavium.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/14554/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-11-10 17:02:13 +07:00
# ===========================================================================
# Post-link MIPS pass
# ===========================================================================
#
# 1. Insert relocations into vmlinux
PHONY := __archpost
__archpost:
MIPS: Fix distclean with Makefile.postlink The postlink Makefile must include include/config/auto.conf to get the kernel configuration variables. But in a clean kernel directory this file does not exist, causing make to bail with the error: arch/mips/Makefile.postlink:10: include/config/auto.conf: No such file or directory make[1]: *** No rule to make target 'include/config/auto.conf'. Stop. Makefile:1290: recipe for target 'vmlinuxclean' failed Fix this by using "-include" to not cause a Make error when the file does not exist. Fixes: 44079d3509ae ("MIPS: Use Makefile.postlink to insert relocations into vmlinux") Signed-off-by: Matt Redfearn <matt.redfearn@imgtec.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/15136/ Signed-off-by: James Hogan <james.hogan@imgtec.com>
2017-01-30 16:58:34 +07:00
-include include/config/auto.conf
MIPS: Use Makefile.postlink to insert relocations into vmlinux When relocatable support for MIPS was merged, there was no support for an architecture to add a postlink step for vmlinux. This meant that only invoking a target within the boot directory, such as uImage, caused the relocations to be inserted into vmlinux. Building just the vmlinux target would result in a relocatable kernel with no relocation information present. Commit fbe6e37dab97 ("kbuild: add arch specific post-link Makefile") recified this situation, so MIPS can now define a postlink step to add relocation information into vmlinux, and remove the additional steps tacked onto boot targets. Signed-off-by: Matt Redfearn <matt.redfearn@imgtec.com> Tested-by: Steven J. Hill <steven.hill@cavium.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/14554/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-11-10 17:02:13 +07:00
include scripts/Kbuild.include
CMD_RELOCS = arch/mips/boot/tools/relocs
quiet_cmd_relocs = RELOCS $@
cmd_relocs = $(CMD_RELOCS) $@
# `@true` prevents complaint when there is nothing to be done
vmlinux: FORCE
@true
ifeq ($(CONFIG_RELOCATABLE),y)
$(call if_changed,relocs)
endif
%.ko: FORCE
@true
clean:
@true
PHONY += FORCE clean
FORCE:
.PHONY: $(PHONY)
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