nds32: add minimal support

Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>

5 files changed, 33 insertions, 0 deletions

diff --git a/Makefile b/Makefile
index 1dbea8c5..7fc93dfc 100644
--- a/Makefile
+++ b/Makefile
@@ -77,6 +77,7 @@ LIB_OBJS += target-h8300.o
 LIB_OBJS += target-m68k.o
 LIB_OBJS += target-microblaze.o
 LIB_OBJS += target-mips.o
+LIB_OBJS += target-nds32.o
 LIB_OBJS += target-nios2.o
 LIB_OBJS += target-ppc.o
 LIB_OBJS += target-riscv.o
diff --git a/machine.h b/machine.h
index 7396aeb4..030c422f 100644
--- a/machine.h
+++ b/machine.h
@@ -37,6 +37,7 @@ enum machine {
 	MACH_H8300,
 	MACH_M68K,
 	MACH_MICROBLAZE,
+	MACH_NDS32,
 	MACH_NIOS2,
 	MACH_XTENSA,
 	MACH_UNKNOWN
diff --git a/target-nds32.c b/target-nds32.c
new file mode 100644
index 00000000..0dc483b2
--- /dev/null
+++ b/target-nds32.c
@@ -0,0 +1,28 @@
+#include "symbol.h"
+#include "target.h"
+#include "machine.h"
+
+
+static void init_nds32(const struct target *self)
+{
+	wchar_ctype = &uint_ctype;
+}
+
+static void predefine_nds32(const struct target *self)
+{
+	predefine("__NDS32__", 1, "1");
+	predefine("__nds32__", 1, "1");
+
+	predefine_weak("__NDS32_E%c__", arch_big_endian ? 'B' : 'L');
+}
+
+const struct target target_nds32 = {
+	.mach = MACH_NDS32,
+	.bitness = ARCH_LP32,
+	.big_endian = false,
+
+	.bits_in_longdouble = 64,
+
+	.init = init_nds32,
+	.predefine = predefine_nds32,
+};
diff --git a/target.c b/target.c
index 3c0588ab..f744de8d 100644
--- a/target.c
+++ b/target.c
@@ -67,6 +67,7 @@ static const struct target *targets[] = {
 	[MACH_MICROBLAZE] =	&target_microblaze,
 	[MACH_MIPS32] =		&target_mips32,
 	[MACH_MIPS64] =		&target_mips64,
+	[MACH_NDS32] =		&target_nds32,
 	[MACH_NIOS2] =		&target_nios2,
 	[MACH_PPC32] =		&target_ppc32,
 	[MACH_PPC64] =		&target_ppc64,
@@ -99,6 +100,7 @@ enum machine target_parse(const char *name)
 		{ "m68k",	MACH_M68K,	32, },
 		{ "microblaze",	MACH_MICROBLAZE,32, },
 		{ "mips",	MACH_MIPS32,	0,  },
+		{ "nds32",	MACH_NDS32,	32, },
 		{ "nios2",	MACH_NIOS2,	32, },
 		{ "powerpc",	MACH_PPC32,	0,  },
 		{ "ppc",	MACH_PPC32,	0,  },
diff --git a/target.h b/target.h
index 4106a6a8..4fbdfbdf 100644
--- a/target.h
+++ b/target.h
@@ -90,6 +90,7 @@ extern const struct target target_m68k;
 extern const struct target target_microblaze;
 extern const struct target target_mips32;
 extern const struct target target_mips64;
+extern const struct target target_nds32;
 extern const struct target target_nios2;
 extern const struct target target_ppc32;
 extern const struct target target_ppc64;