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linux: Add support to specify special Kernel Image make target

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This is useful for ARCHes like PowerPC that have a whole lot of
special targets for each different board.  The kernel image target
tells make which OpenFirmware machine description file is combined into
the kernel binary.

[Peter: fix long lines]
Signed-Off-By:  Martin Hicks <mort@bork.org>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
This commit is contained in:
Martin Hicks 2011-03-21 13:39:43 -04:00 committed by Peter Korsgaard
parent 06002a58b5
commit e2ed6c8e77
2 changed files with 22 additions and 0 deletions
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18
linux/Config.in
View file

@ -133,8 +133,26 @@ config BR2_LINUX_KERNEL_VMLINUX
bool "vmlinux"
depends on BR2_mips || BR2_mipsel
config BR2_LINUX_KERNEL_IMAGE_TARGET_CUSTOM
bool "custom target"
help
For certain cases a board-specific target image must be
used. For example, on powerPC where the OpenFirmware
description is attached in a board-specific kernel image
target like 'cuImage.mpc8379_rdb'.
Select this option and specify the make target in "Kernel
image target name".
endchoice
config BR2_LINUX_KERNEL_IMAGE_TARGET_NAME
string "Kernel image target name"
depends on BR2_LINUX_KERNEL_IMAGE_TARGET_CUSTOM
help
Specify the kernel make target to build the kernel that you
need.
endif # BR2_LINUX_KERNEL
endmenu

4
linux/linux.mk
View file

@ -30,6 +30,9 @@ LINUX26_MAKE_FLAGS = \
# going to be installed in the target filesystem.
LINUX26_VERSION_PROBED = $(shell $(MAKE) $(LINUX26_MAKE_FLAGS) -C $(LINUX26_DIR) --no-print-directory -s kernelrelease)
ifeq ($(BR2_LINUX_KERNEL_IMAGE_TARGET_CUSTOM),y)
LINUX26_IMAGE_NAME=$(call qstrip,$(BR2_LINUX_KERNEL_IMAGE_TARGET_NAME))
else
ifeq ($(BR2_LINUX_KERNEL_UIMAGE),y)
ifeq ($(KERNEL_ARCH),blackfin)
# a uImage, but with a different file name
@ -47,6 +50,7 @@ LINUX26_IMAGE_NAME=vmlinux.bin
else ifeq ($(BR2_LINUX_KERNEL_VMLINUX),y)
LINUX26_IMAGE_NAME=vmlinux
endif
endif
# Compute the arch path, since i386 and x86_64 are in arch/x86 and not
# in arch/$(KERNEL_ARCH). Even if the kernel creates symbolic links