1 files changed, 31 insertions, 0 deletions
diff --git a/usr/klibc/arch/sparc/pipe.S b/usr/klibc/arch/sparc/pipe.S
new file mode 100644
index 0000000..e278bda
--- /dev/null
+++ b/usr/klibc/arch/sparc/pipe.S
@@ -0,0 +1,31 @@
+/*
+ * arch/sparc/pipe.S
+ *
+ * The pipe system call are special on sparc[64]:
+ * they return the two file descriptors in %o0 and %o1.
+ */
+
+#include <machine/asm.h>
+#include <asm/unistd.h>
+
+	.globl	pipe
+	.type	pipe,#function
+       	.align	4
+pipe:
+	mov	__NR_pipe, %g1
+	or	%o0, 0, %g4
+	t	0x10
+	bcc	1f
+	  nop
+	PIC_PROLOGUE(%g1,%g4)
+	SET(errno,%g1,%g4)
+	st	%o0,[%g4]
+	retl
+	  mov	-1, %o0
+1:
+	st	%o0,[%g4]
+	st	%o1,[%g4+4]
+	retl
+	  mov	0, %o0
+
+	.size pipe,.-pipe