[PATCH 2/3] Kbuild: Implement CONFIG_UIMAGE_KERNEL_NOLOAD
From: Julian Calaby <hidden>
Date: 2012-03-07 00:52:26
Also in:
linux-arch, linux-kbuild, linux-sh, lkml, sparclinux
Hi Stephen, On Wed, Mar 7, 2012 at 11:30, Stephen Warren [off-list ref] wrote:
quoted hunk ↗ jump to hunk
This allows the user to use U-Boot's mkimage's -T kernel_noload option if their arch Kconfig allows it, and they desire. Signed-off-by: Stephen Warren <redacted> ---diff --git a/init/Kconfig b/init/Kconfig index 6cfd71d..2035562 100644 --- a/init/Kconfig +++ b/init/Kconfig@@ -203,6 +203,21 @@ config KERNEL_LZO?endchoice +config ALLOW_UIMAGE_KERNEL_NOLOAD + ? ? ? bool + +config UIMAGE_KERNEL_NOLOAD + ? ? ? bool "Use mkimage's -T kernel_noload instead of -T kernel" + ? ? ? depends on ALLOW_UIMAGE_KERNEL_NOLOAD + ? ? ? help + ? ? ? ? uImage files of type "kernel" embed an absolute load and entry point + ? ? ? ? address. If the uImage is loaded to a different address, then the + ? ? ? ? image must be copied the uImage file to the specified load address.
You seem to have an excess "the uImage file" in here.
+ ? ? ? ? This copy is a waste of time if the uImage is in fact completely + ? ? ? ? relocatable. If your kernel and bootloader support it, you can build + ? ? ? ? a "kernel_noload" uImage rather than a "kernel" uImage, which + ? ? ? ? prevents any such copying. If unsure say N. + ?config DEFAULT_HOSTNAME ? ? ? ?string "Default hostname" ? ? ? ?default "(none)"
Thanks, -- Julian Calaby Email: julian.calaby at gmail.com Profile: http://www.google.com/profiles/julian.calaby/ .Plan: http://sites.google.com/site/juliancalaby/