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-rw-r--r--libc-top-half/musl/src/thread/or1k/clone.s31
1 files changed, 31 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/thread/or1k/clone.s b/libc-top-half/musl/src/thread/or1k/clone.s
new file mode 100644
index 0000000..2473ac2
--- /dev/null
+++ b/libc-top-half/musl/src/thread/or1k/clone.s
@@ -0,0 +1,31 @@
+/* int clone(fn, stack, flags, arg, ptid, tls, ctid)
+ * r3 r4 r5 r6 sp+0 sp+4 sp+8
+ * sys_clone(flags, stack, ptid, ctid, tls)
+ */
+.global __clone
+.hidden __clone
+.type __clone,@function
+__clone:
+ l.addi r4, r4, -8
+ l.sw 0(r4), r3
+ l.sw 4(r4), r6
+ /* (fn, st, fl, ar, pt, tl, ct) => (fl, st, pt, ct, tl) */
+ l.ori r3, r5, 0
+ l.lwz r5, 0(r1)
+ l.lwz r6, 8(r1)
+ l.lwz r7, 4(r1)
+ l.ori r11, r0, 220 /* __NR_clone */
+ l.sys 1
+
+ l.sfeqi r11, 0
+ l.bf 1f
+ l.nop
+ l.jr r9
+ l.nop
+
+1: l.lwz r11, 0(r1)
+ l.jalr r11
+ l.lwz r3, 4(r1)
+
+ l.ori r11, r0, 93 /* __NR_exit */
+ l.sys 1