From 3a3c813e08d808224c12fd0e9104aeff7c45c9a7 Mon Sep 17 00:00:00 2001
From: Bobby Bingham <koorogi@koorogi.info>
Date: Sat, 5 Oct 2013 05:13:18 -0500
Subject: superh port

---
 src/unistd/superh/pipe.s | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 src/unistd/superh/pipe.s

(limited to 'src/unistd')

diff --git a/src/unistd/superh/pipe.s b/src/unistd/superh/pipe.s
new file mode 100644
index 00000000..d865ae3a
--- /dev/null
+++ b/src/unistd/superh/pipe.s
@@ -0,0 +1,27 @@
+.global pipe
+.type   pipe, @function
+pipe:
+	mov    #42, r3
+	trapa  #17
+
+	! work around hardware bug
+	or     r0, r0
+	or     r0, r0
+	or     r0, r0
+	or     r0, r0
+	or     r0, r0
+
+	cmp/pz r0
+	bt     1f
+
+	mov.l  L1, r1
+	braf   r1
+	 mov   r0, r4
+
+1:	mov.l  r0, @(0,r4)
+	mov.l  r1, @(4,r4)
+	rts
+	 mov   #0, r0
+
+.align 2
+L1:	.long __syscall_ret@PLT-(1b-.)
-- 
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