[Buildroot] [PATCH v3 1/3] arch: add support for Andes 32-bit(nds32)
Nylon Chen
nylon7 at andestech.com
Thu Mar 7 02:11:23 UTC 2019
This commit provides basic support for the Andes 32-bit(nds32) architecture.
Signed-off-by: Che-Wei Chuang <cnoize at andestech.com>
Signed-off-by: Greentime Hu <greentime at andestech.com>
Signed-off-by: Nylon Chen <nylon7 at andestech.com>
---
DEVELOPERS | 3 +++
arch/Config.in | 12 ++++++++++++
arch/Config.in.nds32 | 19 +++++++++++++++++++
3 files changed, 34 insertions(+)
create mode 100644 arch/Config.in.nds32
diff --git a/DEVELOPERS b/DEVELOPERS
index c17ba6db99..06a20c68b6 100644
--- a/DEVELOPERS
+++ b/DEVELOPERS
@@ -1605,6 +1605,9 @@ F: package/trousers/
N: Norbert Lange <nolange79 at gmail.com>
F: package/tcf-agent/
+N: Nylon Chen <nylon7 at andestech.com>
+F: arch/Config.in.nds32
+
N: Olaf Rempel <razzor at kopf-tisch.de>
F: package/ctorrent/
diff --git a/arch/Config.in b/arch/Config.in
index f50760a0cf..d82803c828 100644
--- a/arch/Config.in
+++ b/arch/Config.in
@@ -154,6 +154,14 @@ config BR2_mips64el
http://www.mips.com/
http://en.wikipedia.org/wiki/MIPS_Technologies
+config BR2_nds32
+ bool "nds32"
+ select BR2_ARCH_HAS_NO_TOOLCHAIN_BUILDROOT
+ select BR2_ARCH_HAS_MMU_MANDATORY
+ help
+ nds32 is a 32-bit architecture developed by Andes Technology.
+ https://en.wikipedia.org/wiki/Andes_Technology
+
config BR2_nios2
bool "Nios II"
select BR2_ARCH_HAS_MMU_MANDATORY
@@ -419,6 +427,10 @@ if BR2_mips || BR2_mips64 || BR2_mipsel || BR2_mips64el
source "arch/Config.in.mips"
endif
+if BR2_nds32
+source "arch/Config.in.nds32"
+endif
+
if BR2_nios2
source "arch/Config.in.nios2"
endif
diff --git a/arch/Config.in.nds32 b/arch/Config.in.nds32
new file mode 100644
index 0000000000..38b1c2d4eb
--- /dev/null
+++ b/arch/Config.in.nds32
@@ -0,0 +1,19 @@
+config BR2_ARCH
+ default "nds32"
+
+config BR2_ANDES_NDS32_FPU
+ bool "Enable FPU coprocessor"
+ help
+ You can say y here if your Andes CPU have a Floating-Point Coprocessor
+ or if you need FPU support for your user-space programs.
+
+config BR2_GCC_TARGET_ARCH
+ default "v3" if !BR2_ANDES_NDS32_FPU
+ default "v3f" if BR2_ANDES_NDS32_FPU
+
+config BR2_ENDIAN
+ default "LITTLE"
+
+config BR2_READELF_ARCH_NAME
+ default "Andes Technology compact code size embedded RISC processor family"
+
--
2.18.0
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