This commit provides basic support for the Andes 32-bit (nds32) architecture.
Signed-off-by: Che-Wei Chuang <[email protected]> Signed-off-by: Nylon Chen <[email protected]> --- include/kernel.mk | 2 ++ include/site/nds32 | 33 +++++++++++++++++++++++++++++++++ include/target.mk | 4 ++++ target/Config.in | 5 +++++ toolchain/Config.in | 9 ++++++--- 5 files changed, 50 insertions(+), 3 deletions(-) create mode 100644 include/site/nds32 diff --git a/include/kernel.mk b/include/kernel.mk index 3195090a0a..d0b5b779b9 100644 --- a/include/kernel.mk +++ b/include/kernel.mk @@ -85,6 +85,8 @@ ifneq (,$(findstring uml,$(BOARD))) LINUX_KARCH=um else ifneq (,$(findstring $(ARCH) , aarch64 aarch64_be )) LINUX_KARCH := arm64 +else ifneq (,$(findstring $(ARCH) , nds32 )) + LINUX_KARCH := nds32 else ifneq (,$(findstring $(ARCH) , arceb )) LINUX_KARCH := arc else ifneq (,$(findstring $(ARCH) , armeb )) diff --git a/include/site/nds32 b/include/site/nds32 new file mode 100644 index 0000000000..b0a0977671 --- /dev/null +++ b/include/site/nds32 @@ -0,0 +1,33 @@ +ac_cv_c_littleendian=${ac_cv_c_littleendian=yes} +ac_cv_c_bigendian=${ac_cv_c_bigendian=no} + +ac_cv_sizeof___int64=${ac_cv_sizeof___int64=0} +ac_cv_sizeof_bool=${ac_cv_sizeof_bool=1} +ac_cv_sizeof_char=${ac_cv_sizeof_char=1} +ac_cv_sizeof_char_p=${ac_cv_sizeof_int_p=4} +ac_cv_sizeof_double=${ac_cv_sizeof_double=8} +ac_cv_sizeof_float=${ac_cv_sizeof_float=4} +ac_cv_sizeof_int=${ac_cv_sizeof_int=4} +ac_cv_sizeof_int_p=${ac_cv_sizeof_int_p=4} +ac_cv_sizeof_long=${ac_cv_sizeof_long=4} +ac_cv_sizeof_long_double=${ac_cv_sizeof_long_double=8} +ac_cv_sizeof_long_int=${ac_cv_sizeof_long_int=4} +ac_cv_sizeof_long_long=${ac_cv_sizeof_long_long=8} +ac_cv_sizeof_long_p=${ac_cv_sizeof_long_p=4} +ac_cv_sizeof_off_t=${ac_cv_sizeof_off_t=4} +ac_cv_sizeof_ptrdiff_t=${glib_cv_sizeof_ptrdiff_t=4} +ac_cv_sizeof_short=${ac_cv_sizeof_short=2} +ac_cv_sizeof_short_int=${ac_cv_sizeof_short_int=2} +ac_cv_sizeof_signed_char=${ac_cv_sizeof_signed_char=1} +ac_cv_sizeof_size_t=${ac_cv_sizeof_size_t=4} +ac_cv_sizeof_unsigned_char=${ac_cv_sizeof_unsigned_char=1} +ac_cv_sizeof_unsigned_short=${ac_cv_sizeof_unsigned_short=2} +ac_cv_sizeof_unsigned=${ac_cv_sizeof_unsigned=4} +ac_cv_sizeof_unsigned_int=${ac_cv_sizeof_unsigned_int=4} +ac_cv_sizeof_unsigned_long=${ac_cv_sizeof_unsigned_long=4} +ac_cv_sizeof_unsigned_long_long=${ac_cv_sizeof_unsigned_long_long=8} +ac_cv_sizeof_void_p=${ac_cv_sizeof_void_p=4} +ac_cv_sizeof_wchar_t=${ac_cv_sizeof_wchar_t=1} + +ac_cv_func_realloc_0_nonnull=yes +ac_cv_func_malloc_0_nonnull=yes diff --git a/include/target.mk b/include/target.mk index 4f3bd43e6c..75e23f328f 100644 --- a/include/target.mk +++ b/include/target.mk @@ -176,6 +176,10 @@ ifeq ($(DUMP),1) CPU_CFLAGS_74kc = -mips32r2 -mtune=74kc CPU_CFLAGS_octeonplus = -march=octeon+ -mabi=64 endif + ifeq ($(ARCH),nds32) + CPU_TYPE ?= nds32 + CPU_CFLAGS += -march=v3 + endif ifeq ($(ARCH),i386) CPU_TYPE ?= pentium CPU_CFLAGS_pentium = -march=pentium-mmx diff --git a/target/Config.in b/target/Config.in index 3ee23ebf7f..8d6aa8769c 100644 --- a/target/Config.in +++ b/target/Config.in @@ -192,6 +192,10 @@ config x86_64 select ARCH_64BIT bool +config nds32 + select LITTLE_ENDIAN + bool + config ARCH string default "aarch64" if aarch64 @@ -215,4 +219,5 @@ config ARCH default "sh4eb" if sh4eb default "sparc" if sparc default "x86_64" if x86_64 + default "nds32" if nds32 diff --git a/toolchain/Config.in b/toolchain/Config.in index 82dddbc209..7cb65e803e 100644 --- a/toolchain/Config.in +++ b/toolchain/Config.in @@ -67,6 +67,7 @@ menuconfig EXTERNAL_TOOLCHAIN default "mipsel-unknown-linux-gnu" if mipsel default "powerpc-unknown-linux-gnu" if powerpc default "x86_64-unknown-linux-gnu" if x86_64 + default "nds32le-linux" if nds32 config TOOLCHAIN_PREFIX string @@ -81,6 +82,7 @@ menuconfig EXTERNAL_TOOLCHAIN default "mipsel-unknown-linux-gnu-" if mipsel default "powerpc-unknown-linux-gnu-" if powerpc default "x86_64-unknown-linux-gnu-" if x86_64 + default "nds32le-linux-" if nds32 config TOOLCHAIN_ROOT string @@ -113,11 +115,12 @@ menuconfig EXTERNAL_TOOLCHAIN config EXTERNAL_TOOLCHAIN_LIBC_USE_UCLIBC bool "uClibc" select USE_UCLIBC - depends on !(aarch64 || aarch64_be) + depends on !(aarch64 || aarch64_be || nds32) config EXTERNAL_TOOLCHAIN_LIBC_USE_MUSL bool "musl" select USE_MUSL + depends on !nds32 endchoice @@ -251,13 +254,13 @@ choice config LIBC_USE_UCLIBC select USE_UCLIBC bool "Use uClibc" - depends on !(aarch64 || aarch64_be || powerpc64) + depends on !(aarch64 || aarch64_be || powerpc64 || nds32) depends on BROKEN || !(arm || armeb || i386 || x86_64 || mips || mipsel || mips64 || mips64el || powerpc) config LIBC_USE_MUSL select USE_MUSL bool "Use musl" - depends on !(arc || powerpc64) + depends on !(arc || powerpc64 || nds32) endchoice -- 2.17.1 _______________________________________________ openwrt-devel mailing list [email protected] https://lists.openwrt.org/mailman/listinfo/openwrt-devel
