1 files changed, 39 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/csky/__longjmp.S b/libc/sysdeps/linux/csky/__longjmp.S
new file mode 100644
index 000000000..66ad62617
--- /dev/null
+++ b/libc/sysdeps/linux/csky/__longjmp.S
@@ -0,0 +1,39 @@
+#include <sysdep.h>
+
+ENTRY(__longjmp)
+        ldw	sp, (a0, 0)
+	ldw	lr, (a0, 4)
+
+	ldw	l0, (a0, 8)
+	ldw	l1, (a0, 12)
+	ldw	l2, (a0, 16)
+	ldw	l3, (a0, 20)
+	ldw	l4, (a0, 24)
+	ldw	l5, (a0, 28)
+
+#ifdef __CSKYABIV2__
+	ldw	l6, (a0, 32)
+	ldw	l7, (a0, 36)
+	ldw	l8, (a0, 40)
+	ldw	l9, (a0, 44)
+
+	ldw	r26, (a0, 48)
+	ldw	r27, (a0, 52)
+	ldw	gb,  (a0, 56)
+	ldw	r29, (a0, 60)
+	ldw	r30, (a0, 64)
+	ldw	tls, (a0, 68)
+#else
+	ldw	gb, (a0, 32)
+#endif
+
+	mov    a0, a1
+	cmpnei a1, 0
+	bt     1f
+	movi   a0, 1
+1:
+	rts
+
+END(__longjmp)
+libc_hidden_def(__longjmp)
+