diff options
| author | Bamvor Jian Zhang <bamvor.zhangjian@huawei.com> | 2015-03-18 17:49:48 +0800 |
|---|---|---|
| committer | Thomas Petazzoni <thomas.petazzoni@free-electrons.com> | 2015-07-12 18:32:37 +0200 |
| commit | 827ba46556b7c2dddb0e881879bacf3283fc2c3f (patch) | |
| tree | b208dc2ee9d4c0c4ec8b1496b623c1f52afddc4f | |
| parent | 44c48b1274f567d09899e798e58f98cf0bbbff50 (diff) | |
aarch64: add big endian(aarch64_be) support
Add aarch64_be support. Note that CONFIG_CPU_BIG_ENDIAN should be
defined in kernel config when building a big endian kernel.
Signed-off-by: Zhang Jian(Bamvor) <bamvor.zhangjian@huawei.com>
Acked-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
| -rw-r--r-- | Makefile | 2 | ||||
| -rw-r--r-- | arch/Config.in | 12 | ||||
| -rw-r--r-- | arch/Config.in.aarch64 | 4 | ||||
| -rw-r--r-- | toolchain/toolchain-buildroot/Config.in | 27 |
4 files changed, 28 insertions, 17 deletions
@@ -329,7 +329,7 @@ KERNEL_ARCH := $(shell echo "$(ARCH)" | sed -e "s/-.*//" \ -e s/arcle/arc/ \ -e s/arceb/arc/ \ -e s/arm.*/arm/ -e s/sa110/arm/ \ - -e s/aarch64/arm64/ \ + -e s/aarch64.*/arm64/ \ -e s/bfin/blackfin/ \ -e s/parisc64/parisc/ \ -e s/powerpc64.*/powerpc/ \ diff --git a/arch/Config.in b/arch/Config.in index 94397b34c..39ce0464d 100644 --- a/arch/Config.in +++ b/arch/Config.in @@ -59,7 +59,15 @@ config BR2_armeb http://en.wikipedia.org/wiki/ARM config BR2_aarch64 - bool "AArch64" + bool "AArch64 (little endian)" + select BR2_ARCH_IS_64 + help + Aarch64 is a 64-bit architecture developed by ARM Holdings. + http://www.arm.com/products/processors/instruction-set-architectures/armv8-architecture.php + http://en.wikipedia.org/wiki/ARM + +config BR2_aarch64_be + bool "AArch64 (big endian)" select BR2_ARCH_IS_64 select BR2_ARCH_HAS_MMU_MANDATORY help @@ -347,7 +355,7 @@ if BR2_arm || BR2_armeb source "arch/Config.in.arm" endif -if BR2_aarch64 +if BR2_aarch64 || BR2_aarch64_be source "arch/Config.in.aarch64" endif diff --git a/arch/Config.in.aarch64 b/arch/Config.in.aarch64 index 2e79870b3..325bcccda 100644 --- a/arch/Config.in.aarch64 +++ b/arch/Config.in.aarch64 @@ -1,8 +1,10 @@ config BR2_ARCH default "aarch64" if BR2_aarch64 + default "aarch64_be" if BR2_aarch64_be config BR2_ENDIAN - default "LITTLE" + default "LITTLE" if BR2_aarch64 + default "BIG" if BR2_aarch64_be config BR2_ARCH_HAS_ATOMICS default y diff --git a/toolchain/toolchain-buildroot/Config.in b/toolchain/toolchain-buildroot/Config.in index 77a197edc..13e2b1574 100644 --- a/toolchain/toolchain-buildroot/Config.in +++ b/toolchain/toolchain-buildroot/Config.in @@ -23,8 +23,8 @@ source "package/linux-headers/Config.in.host" choice prompt "C library" default BR2_TOOLCHAIN_UCLIBC - default BR2_TOOLCHAIN_BUILDROOT_GLIBC if BR2_aarch64 || BR2_microblaze \ - || BR2_mips64 || BR2_mips64el || BR2_powerpc64 + default BR2_TOOLCHAIN_BUILDROOT_GLIBC if BR2_aarch64 || BR2_aarch64_be \ + || BR2_microblaze || BR2_mips64 || BR2_mips64el || BR2_powerpc64 config BR2_TOOLCHAIN_BUILDROOT_UCLIBC bool "uClibc" @@ -42,11 +42,12 @@ config BR2_TOOLCHAIN_BUILDROOT_UCLIBC config BR2_TOOLCHAIN_BUILDROOT_EGLIBC bool "eglibc" - depends on BR2_arm || BR2_armeb || BR2_aarch64 || \ - BR2_i386 || BR2_mips || BR2_mipsel || \ - BR2_mips64 || BR2_mips64el || BR2_powerpc || \ - BR2_sh || BR2_sh64 || BR2_sparc || \ - BR2_x86_64 || BR2_microblaze || BR2_powerpc64 + depends on BR2_arm || BR2_armeb || BR2_aarch64 || \ + BR2_aarch64_be || BR2_i386 || BR2_mips || \ + BR2_mipsel || BR2_mips64 || BR2_mips64el || \ + BR2_powerpc || BR2_sh || BR2_sh64 || \ + BR2_sparc || BR2_x86_64 || BR2_microblaze || \ + BR2_powerpc64 depends on BR2_USE_MMU depends on !BR2_STATIC_LIBS depends on BR2_DEPRECATED_SINCE_2015_08 @@ -61,12 +62,12 @@ config BR2_TOOLCHAIN_BUILDROOT_EGLIBC config BR2_TOOLCHAIN_BUILDROOT_GLIBC bool "glibc" - depends on BR2_arm || BR2_armeb || BR2_aarch64 || \ - BR2_i386 || BR2_mips || BR2_mipsel || \ - BR2_mips64 || BR2_mips64el || BR2_powerpc || \ - BR2_powerpc64 || BR2_powerpc64le || BR2_sh || \ - BR2_sh64 || BR2_sparc || BR2_x86_64 || \ - BR2_microblaze || BR2_nios2 + depends on BR2_arm || BR2_armeb || BR2_aarch64 || \ + BR2_aarch64_be || BR2_i386 || BR2_mips || \ + BR2_mipsel || BR2_mips64 || BR2_mips64el|| \ + BR2_powerpc || BR2_powerpc64 || BR2_powerpc64le || \ + BR2_sh || BR2_sh64 || BR2_sparc || \ + BR2_x86_64 || BR2_microblaze || BR2_nios2 depends on BR2_USE_MMU depends on !BR2_STATIC_LIBS depends on !BR2_powerpc_SPE |