diff options
Diffstat (limited to 'packages/linux/nslu2-kernel/2.6/compile-switches.patch')
| -rw-r--r-- | packages/linux/nslu2-kernel/2.6/compile-switches.patch | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/packages/linux/nslu2-kernel/2.6/compile-switches.patch b/packages/linux/nslu2-kernel/2.6/compile-switches.patch index e69de29bb2..4b7a688313 100644 --- a/packages/linux/nslu2-kernel/2.6/compile-switches.patch +++ b/packages/linux/nslu2-kernel/2.6/compile-switches.patch @@ -0,0 +1,58 @@ +--- linux-2.6.11/arch/arm/Makefile.orig 2005-03-20 15:02:07.587138712 -0800 ++++ linux-2.6.11/arch/arm/Makefile 2005-03-20 15:10:36.546765088 -0800 +@@ -33,6 +33,12 @@ + AFLAGS += -mlittle-endian + endif + ++ifeq ($(CONFIG_ARM_THUMB_INTERWORK),y) ++CFLAGS += -mthumb-interwork ++else ++CFLAGS += -mno-thumb-interwork ++endif ++ + comma = , + + # This selects which instruction set is used. +@@ -43,6 +49,8 @@ + arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4) + arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4 + arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3 ++# The following overrides the CPU_32v5 setting if specified ++arch-$(CONFIG_ARCH_XSCALE) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=xscale,-march=armv5te) + + # This selects how we optimise for the processor. + tune-$(CONFIG_CPU_ARM610) :=-mtune=arm610 +--- linux-2.6.11/arch/arm/mm/Kconfig.orig 2005-03-20 14:54:07.927058128 -0800 ++++ linux-2.6.11/arch/arm/mm/Kconfig 2005-03-20 15:01:26.727350344 -0800 +@@ -366,6 +366,31 @@ + + If you don't know what this all is, saying Y is a safe choice. + ++config ARM_THUMB_INTERWORK ++ bool "Support Thumb code within the kernel" ++ depends on CPU_ARM720T || CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM1020 || CPU_ARM1020E || CPU_ARM1022 || CPU_ARM1026 || CPU_XSCALE || CPU_V6 ++ default n ++ help ++ Say Y to compile the whole kernel with support for the interworking ++ of the 16 bit thumb instruction set and 32 bit ARM instruction set. ++ ++ You only need this if some parts of the kernel will be compiled ++ as thumb code, this is not usual. It increases the total kernel ++ size by about 3%. ++ ++config ARCH_XSCALE ++ bool "Use -march=xscale in preference to -march=armv5te" ++ depends on CPU_XSCALE ++ default y ++ help ++ Say yes to ask gcc to use the xscale architecture (instruction set) ++ in preference to armv5te. This allows gcc to use the extra xscale ++ instructions but means the code will not run on a standard (non-xscale) ++ armv5te. At present this makes no difference - gcc 3.4.3 does not ++ generate any xscale specific instructions - however gcc 3.4.3 does ++ generate slightly more optimal instructions if this is specified (this ++ is an error inside gcc 3.4.3 which should be fixed in 4.1.) ++ + config CPU_BIG_ENDIAN + bool "Build big-endian kernel" + depends on ARCH_SUPPORTS_BIG_ENDIAN |