1 files changed, 50 insertions, 0 deletions
diff --git a/usr/klibc/arch/loongarch64/setjmp.S b/usr/klibc/arch/loongarch64/setjmp.S
new file mode 100644
index 0000000..1177988
--- /dev/null
+++ b/usr/klibc/arch/loongarch64/setjmp.S
@@ -0,0 +1,50 @@
+/*
+ * arch/loongarch64/setjmp.S
+ *
+ * setjmp/longjmp for the LoongArch64 architecture
+ *
+ * The jmp_buf is assumed to contain the following, in order:
+ *	pc (ra)
+ *	sp
+ *	r21
+ *	fp
+ *	s0..s8
+ */
+
+#include <machine/asm.h>
+
+ENTRY(setjmp)
+	st.d	$ra,  $a0, 0
+	st.d	$sp,  $a0, 8
+	st.d	$r21, $a0, 16
+	st.d	$fp,  $a0, 24
+	st.d	$s0,  $a0, 32
+	st.d	$s1,  $a0, 40
+	st.d	$s2,  $a0, 48
+	st.d	$s3,  $a0, 56
+	st.d	$s4,  $a0, 64
+	st.d	$s5,  $a0, 72
+	st.d	$s6,  $a0, 80
+	st.d	$s7,  $a0, 88
+	st.d	$s8,  $a0, 96
+	move	$a0,  $zero
+	jr	$ra
+END(setjmp)
+
+ENTRY(longjmp)
+	ld.d	$ra,  $a0, 0
+	ld.d	$sp,  $a0, 8
+	ld.d	$r21, $a0, 16
+	ld.d	$fp,  $a0, 24
+	ld.d	$s0,  $a0, 32
+	ld.d	$s1,  $a0, 40
+	ld.d	$s2,  $a0, 48
+	ld.d	$s3,  $a0, 56
+	ld.d	$s4,  $a0, 64
+	ld.d	$s5,  $a0, 72
+	ld.d	$s6,  $a0, 80
+	ld.d	$s7,  $a0, 88
+	ld.d	$s8,  $a0, 96
+	move	$a0,  $a1
+	jr	$ra
+END(longjmp)