The patch titled
Subject: arch/microblaze: add choice for endianness and update Makefile
has been added to the -mm tree. Its filename is
arch-microblaze-add-choice-for-endianness-and-update-makefile.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/arch-microblaze-add-choice-for-endianness-and-update-makefile.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/arch-microblaze-add-choice-for-endianness-and-update-makefile.patch
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------------------------------------------------------
From: Babu Moger <babu.moger@xxxxxxxxxx>
Subject: arch/microblaze: add choice for endianness and update Makefile
microblaze architectures can be configured for either little or big endian
formats. Add a choice option for the user to select the correct endian
format(default to big endian).
Also update the Makefile so toolchain can compile for the format it is
configured for.
Link: http://lkml.kernel.org/r/1499358861-179979-3-git-send-email-babu.moger@xxxxxxxxxx
Signed-off-by: Babu Moger <babu.moger@xxxxxxxxxx>
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Michal Simek <monstr@xxxxxxxxx>
Cc: "James E.J. Bottomley" <jejb@xxxxxxxxxxxxxxxx>
Cc: Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: David S. Miller <davem@xxxxxxxxxxxxx>
Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Cc: Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Helge Deller <deller@xxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Jonas Bonn <jonas@xxxxxxxxxxxx>
Cc: Max Filippov <jcmvbkbc@xxxxxxxxx>
Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx> (powerpc)
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Stafford Horne <shorne@xxxxxxxxx>
Cc: Stefan Kristiansson <stefan.kristiansson@xxxxxxxxxxxxx>
Cc: Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/microblaze/Kconfig | 16 ++++++++++++++++
arch/microblaze/Makefile | 2 ++
2 files changed, 18 insertions(+)
diff -puN arch/microblaze/Kconfig~arch-microblaze-add-choice-for-endianness-and-update-makefile arch/microblaze/Kconfig
--- a/arch/microblaze/Kconfig~arch-microblaze-add-choice-for-endianness-and-update-makefile
+++ a/arch/microblaze/Kconfig
@@ -36,6 +36,22 @@ config MICROBLAZE
select VIRT_TO_BUS
select CPU_NO_EFFICIENT_FFS
+# Endianness selection
+choice
+ prompt "Endianness selection"
+ default CPU_BIG_ENDIAN
+ help
+ microblaze architectures can be configured for either little or
+ big endian formats. Be sure to select the appropriate mode.
+
+config CPU_BIG_ENDIAN
+ bool "Big endian"
+
+config CPU_LITTLE_ENDIAN
+ bool "Little endian"
+
+endchoice
+
config SWAP
def_bool n
diff -puN arch/microblaze/Makefile~arch-microblaze-add-choice-for-endianness-and-update-makefile arch/microblaze/Makefile
--- a/arch/microblaze/Makefile~arch-microblaze-add-choice-for-endianness-and-update-makefile
+++ a/arch/microblaze/Makefile
@@ -35,6 +35,8 @@ endif
CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_DIV) += -mno-xl-soft-div
CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_BARREL) += -mxl-barrel-shift
CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_PCMP_INSTR) += -mxl-pattern-compare
+CPUFLAGS-$(CONFIG_BIG_ENDIAN) += -mbig-endian
+CPUFLAGS-$(CONFIG_LITTLE_ENDIAN) += -mlittle-endian
CPUFLAGS-1 += $(call cc-option,-mcpu=v$(CPU_VER))
_
Patches currently in -mm which might be from babu.moger@xxxxxxxxxx are
arch-define-cpu_big_endian-for-all-fixed-big-endian-archs.patch
arch-microblaze-add-choice-for-endianness-and-update-makefile.patch
include-warn-for-inconsistent-endian-config-definition.patch
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