diff options
Diffstat (limited to 'arch/powerpc/Kconfig')
| -rw-r--r-- | arch/powerpc/Kconfig | 41 |
1 files changed, 24 insertions, 17 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 8b323b7b0a6..2ad5ea82782 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -847,23 +847,30 @@ config DYNAMIC_MEMSTART load address. When this option is enabled, the compile time physical address CONFIG_PHYSICAL_START is ignored. -# Mapping based RELOCATABLE is moved to DYNAMIC_MEMSTART -# config RELOCATABLE -# bool "Build a relocatable kernel (EXPERIMENTAL)" -# depends on EXPERIMENTAL && ADVANCED_OPTIONS && FLATMEM && (FSL_BOOKE || PPC_47x) -# help -# This builds a kernel image that is capable of running at the -# location the kernel is loaded at, without any alignment restrictions. -# -# One use is for the kexec on panic case where the recovery kernel -# must live at a different physical address than the primary -# kernel. -# -# Note: If CONFIG_RELOCATABLE=y, then the kernel runs from the address -# it has been loaded at and the compile time physical addresses -# CONFIG_PHYSICAL_START is ignored. However CONFIG_PHYSICAL_START -# setting can still be useful to bootwrappers that need to know the -# load location of the kernel (eg. u-boot/mkimage). + This option is overridden by CONFIG_RELOCATABLE + +config RELOCATABLE + bool "Build a relocatable kernel (EXPERIMENTAL)" + depends on EXPERIMENTAL && ADVANCED_OPTIONS && FLATMEM + select NONSTATIC_KERNEL + help + This builds a kernel image that is capable of running at the + location the kernel is loaded at, without any alignment restrictions. + This feature is a superset of DYNAMIC_MEMSTART and hence overrides it. + + One use is for the kexec on panic case where the recovery kernel + must live at a different physical address than the primary + kernel. + + Note: If CONFIG_RELOCATABLE=y, then the kernel runs from the address + it has been loaded at and the compile time physical addresses + CONFIG_PHYSICAL_START is ignored. However CONFIG_PHYSICAL_START + setting can still be useful to bootwrappers that need to know the + load address of the kernel (eg. u-boot/mkimage). + +config RELOCATABLE_PPC32 + def_bool y + depends on PPC32 && RELOCATABLE config PAGE_OFFSET_BOOL bool "Set custom page offset address" |