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-rw-r--r--examples/standalone/stubs.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/examples/standalone/stubs.c b/examples/standalone/stubs.c
index 507d38ceaf..11c756525a 100644
--- a/examples/standalone/stubs.c
+++ b/examples/standalone/stubs.c
@@ -167,8 +167,23 @@ gd_t *global_data;
" jmp %%g1\n" \
" nop\n" \
: : "i"(offsetof(gd_t, jt)), "i"(XF_ ## x * sizeof(void *)) : "g1" );
-
+#elif defined(CONFIG_NDS32)
+/*
+ * r16 holds the pointer to the global_data. gp is call clobbered.
+ * not support reduced register (16 GPR).
+ */
+#define EXPORT_FUNC(x) \
+ asm volatile ( \
+" .globl " #x "\n" \
+#x ":\n" \
+" lwi $r16, [$gp + (%0)]\n" \
+" lwi $r16, [$r16 + (%1)]\n" \
+" jr $r16\n" \
+ : : "i"(offsetof(gd_t, jt)), "i"(XF_ ## x * sizeof(void *)) : "$r16");
#else
+/*" addi $sp, $sp, -24\n" \
+" br $r16\n" \*/
+
#error stubs definition missing for this architecture
#endif
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