[PATCH] openrisc: Add vmlinux.bin target

[Joel Stanley]

Build it by default. This is commonly used by fpga targets.

Signed-off-by: Joel Stanley <joel@xxxxxxxxx>
---
 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/
+
+vmlinux.bin: vmlinux
+	$(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(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)
-- 
2.29.2