Initial import of arm32 port

1 files changed, 95 insertions, 0 deletions

diff --git a/sys/arch/arm32/boot/setcpsr.S b/sys/arch/arm32/boot/setcpsr.S
new file mode 100644
index 00000000000..e8324c6c67d
--- /dev/null
+++ b/sys/arch/arm32/boot/setcpsr.S
@@ -0,0 +1,95 @@
+/* $NetBSD: setcpsr.S,v 1.1 1996/01/31 23:18:27 mark Exp $ */
+
+/*
+ * Copyright (c) 1994 Mark Brinicombe.
+ * Copyright (c) 1994 Brini.
+ * All rights reserved.
+ *
+ * This code is derived from software written for Brini by Mark Brinicombe
+ *
+ * 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 Brini.
+ * 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 BRINI ``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 BRINI 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
+ *
+ * setcpsr.S
+ *
+ * Miscellaneous routines to play with the CPSR register
+ *
+ * Eventually this routine can be inline assembly.
+ *
+ * Created      : 12/09/94
+ * Last updated : 28/05/95
+ *
+ * Based of kate/display/setcpsr.s
+ *
+ *    $Id: setcpsr.S,v 1.1 1996/04/24 11:08:32 deraadt Exp $
+ */
+
+fp      .req    r11
+ip      .req    r12
+sp      .req    r13
+lr	.req	r14
+pc	.req	r15
+
+.text
+
+        .global _SetCPSR
+
+/* Sets and clears bits in the CPSR register
+ *
+ *  r0 - bic mask
+ *  r1 - eor mask
+ */
+
+_SetCPSR:
+/*	mov	ip, sp
+	stmfd	sp!, {fp, ip, lr, pc}
+	sub	fp, ip, #4*/
+
+        mrs     r3, cpsr_all		/* Set the CPSR */
+	bic	r2, r3, r0
+        eor     r2, r2, r1
+        msr     cpsr_all, r2
+
+        mov	r0, r3			/* Return the old CPSR */
+
+/*	ldmea	fp, {fp, sp, pc}*/
+	mov	pc, lr
+
+        .global _GetCPSR
+
+/* Gets the CPSR register
+ *
+ * Returns the CPSR in r0
+ */
+
+_GetCPSR:
+        mrs     r0, cpsr_all		/* Get the CPSR */
+
+	mov	pc, lr
+