2012-06-29 20:39:24

by Domenico Andreoli

[permalink] [raw]
Subject: [PATCH v2] Build a zImage or uImage with dtb already appended

From: Domenico Andreoli <[email protected]>

Add new targets to build zImage and uImage with DTB appended (i.e. make
'uImage-dtb.am335x-bone' or 'make zImage-dtb.omap3-evm').

Signed-off-by: Jeremy Kerr <[email protected]>
Signed-off-by: Grant Likely <[email protected]>
Signed-off-by: Domenico Andreoli <[email protected]>

---

On Tue, Aug 02, 2011 at 03:31:48PM +0100, Grant Likely wrote:
> Do not commit to mainline; this is a useful hack only for now.
>

Is this a better moment for this patch?

Anyway, here is an update for v3.5-rc4. Added zImage-dtb.* as a valid
target and the .gitignore entries.

cheers
Domenico

---
arch/arm/Makefile | 6 ++++++
arch/arm/boot/.gitignore | 2 ++
arch/arm/boot/Makefile | 7 +++++++
3 files changed, 15 insertions(+)

Index: b/arch/arm/Makefile
===================================================================
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -283,6 +283,12 @@ zImage Image xipImage bootpImage uImage:
zinstall uinstall install: vmlinux
$(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@

+zImage-dtb.%:
+ $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
+
+uImage-dtb.%:
+ $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
+
%.dtb:
$(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@

Index: b/arch/arm/boot/Makefile
===================================================================
--- a/arch/arm/boot/Makefile
+++ b/arch/arm/boot/Makefile
@@ -55,6 +55,9 @@ $(obj)/zImage: $(obj)/compressed/vmlinux
$(call if_changed,objcopy)
@echo ' Kernel: $@ is ready'

+$(obj)/zImage-dtb.%: $(obj)/%.dtb $(obj)/zImage
+ cat $(obj)/zImage $< > $@
+
endif

targets += $(dtb-y)
@@ -90,6 +93,10 @@ $(obj)/uImage: $(obj)/zImage FORCE
$(call if_changed,uimage)
@echo ' Image $@ is ready'

+$(obj)/uImage-dtb.%: $(obj)/zImage-dtb.% FORCE
+ $(call if_changed,uimage)
+ @echo ' Image $@ is ready'
+
$(obj)/bootp/bootp: $(obj)/zImage initrd FORCE
$(Q)$(MAKE) $(build)=$(obj)/bootp $@
@:
Index: b/arch/arm/boot/.gitignore
===================================================================
--- a/arch/arm/boot/.gitignore
+++ b/arch/arm/boot/.gitignore
@@ -1,6 +1,8 @@
Image
zImage
+zImage-dtb.*
xipImage
bootpImage
uImage
+uImage-dtb.*
*.dtb