On Tue, Dec 22, 2020 at 3:18 PM Joel Stanley <j...@jms.id.au> wrote:
>
> Build it by default. This is commonly used by fpga targets.
>
> Signed-off-by: Joel Stanley <j...@jms.id.au>
> ---
> arch/openrisc/Makefile | 7 +++++++
> arch/openrisc/boot/Makefile | 8 ++++++++
> 2 files changed, 15 insertions(+)
> create mode 100644 arch/openrisc/boot/Makefile
>
> diff --git a/arch/openrisc/Makefile b/arch/openrisc/Makefile
> index bf10141c7426..239bca2d1925 100644
> --- a/arch/openrisc/Makefile
> +++ b/arch/openrisc/Makefile
> @@ -24,6 +24,10 @@ LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS)
> -print-libgcc-file-name)
>
> KBUILD_CFLAGS += -pipe -ffixed-r10 -D__linux__
>
> +all: vmlinux.bin
> +
> +boot := arch/$(ARCH)/boot
> +
> ifeq ($(CONFIG_OPENRISC_HAVE_INST_MUL),y)
> KBUILD_CFLAGS += $(call cc-option,-mhard-mul)
> else
> @@ -49,3 +53,6 @@ else
> BUILTIN_DTB := n
> endif
> core-$(BUILTIN_DTB) += arch/openrisc/boot/dts/
> +
Since vmlinux.bin is a phony target, you need this:
PHONY += vmlinux.bin
> +vmlinux.bin: vmlinux
> + $(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@)
This is simpler:
$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
For clean-up, you need this:
archclean:
$(Q)$(MAKE) $(clean)=$(boot)
> diff --git a/arch/openrisc/boot/Makefile b/arch/openrisc/boot/Makefile
> new file mode 100644
> index 000000000000..0e71e8f78bb2
> --- /dev/null
> +++ b/arch/openrisc/boot/Makefile
> @@ -0,0 +1,8 @@
> +# SPDX-License-Identifier: GPL-2.0
> +#
> +# Makefile for bootable kernel images
> +#
> +
> +OBJCOPYFLAGS_vmlinux.bin := -O binary
> +$(obj)/vmlinux.bin: vmlinux FORCE
> + $(call if_changed,objcopy)
Please add
targets += vmlinux.bin
Also, you need to add arch/openrisc/boot/.gitignore
> --
> 2.29.2
>
--
Best Regards
Masahiro Yamada
