summaryrefslogtreecommitdiff
path: root/arch/arm
diff options
context:
space:
mode:
authorArnd Bergmann <arnd@arndb.de>2021-10-18 17:30:06 +0300
committerRussell King (Oracle) <rmk+kernel@armlinux.org.uk>2021-10-25 15:12:33 +0300
commit345dac33f58894a56d17b92a41be10e16585ceff (patch)
treef11f54766e27fffc3054aefdf4c08e9cd77e9d1d /arch/arm
parent3583ab228a30b7c3fc8dd76ae45af7e25436b587 (diff)
downloadlinux-345dac33f58894a56d17b92a41be10e16585ceff.tar.xz
ARM: 9136/1: ARMv7-M uses BE-8, not BE-32
When configuring the kernel for big-endian, we set either BE-8 or BE-32 based on the CPU architecture level. Until linux-4.4, we did not have any ARMv7-M platform allowing big-endian builds, but now i.MX/Vybrid is in that category, adn we get a build error because of this: arch/arm/kernel/module-plts.c: In function 'get_module_plt': arch/arm/kernel/module-plts.c:60:46: error: implicit declaration of function '__opcode_to_mem_thumb32' [-Werror=implicit-function-declaration] This comes down to picking the wrong default, ARMv7-M uses BE8 like ARMv7-A does. Changing the default gets the kernel to compile and presumably works. https://lore.kernel.org/all/1455804123-2526139-2-git-send-email-arnd@arndb.de/ Tested-by: Vladimir Murzin <vladimir.murzin@arm.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mm/Kconfig2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index 8355c3895894..82aa990c4180 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -750,7 +750,7 @@ config CPU_BIG_ENDIAN
config CPU_ENDIAN_BE8
bool
depends on CPU_BIG_ENDIAN
- default CPU_V6 || CPU_V6K || CPU_V7
+ default CPU_V6 || CPU_V6K || CPU_V7 || CPU_V7M
help
Support for the BE-8 (big-endian) mode on ARMv6 and ARMv7 processors.