Initial import of arm32 port

1 files changed, 67 insertions, 0 deletions

diff --git a/sys/arch/arm32/fpe-sp/fpecmf.S b/sys/arch/arm32/fpe-sp/fpecmf.S
new file mode 100644
index 00000000000..088c5b23781
--- /dev/null
+++ b/sys/arch/arm32/fpe-sp/fpecmf.S
@@ -0,0 +1,67 @@
+/* $NetBSD: fpecmf.S,v 1.2 1996/03/18 19:58:13 mark Exp $ */
+
+/*
+ * Copyright (c) 1995 Mark Brinicombe.
+ * Copyright (c) 1995 Neil Carson.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the RiscBSD kernel team.
+ * 4. The name of the company nor the name of the author may be used to
+ *    endorse or promote products derived from this software without specific
+ *    prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * RiscBSD kernel project
+ *
+ * fpecmf.S
+ *
+ * FP compare
+ *
+ * Created      : 11/02/95
+ */
+
+pc	.req	r15
+
+/* compare r0 with r1. sets status bits (in arm!) for result.*/
+
+	.global	_nc_fp_cmp
+
+_nc_fp_cmp:
+    cmp r1,#0                       		/* r1 -ve? */
+    bmi fp_cmp_r0
+    cmp r0,r1                       		/* no - do normal cmp */
+    mrs	r0, cpsr_all
+    mov pc, r14
+fp_cmp_r0:
+    cmp r0,#0                       		/* r0 -ve? */ 
+    bmi fp_cmp_neg                  		/* r0 & r1 -ve */
+    cmp r0,r1
+    mrs	r0, cpsr_all
+    mov pc, r14
+fp_cmp_neg:
+    cmp r1,r0                       		/* opposite compare */
+
+    mrs	r0, cpsr_all
+    mov pc, r14
+