MIPS support for libc.
Change-Id: I2864dea04b3faf2d919165dcaa600af5b16c41c8
Signed-off-by: Chris Dearman <chris@mips.com>
Signed-off-by: Raghu Gandham <raghu@mips.com>
diff --git a/libc/arch-mips/include/machine/regdef.h b/libc/arch-mips/include/machine/regdef.h
new file mode 100644
index 0000000..ae18392
--- /dev/null
+++ b/libc/arch-mips/include/machine/regdef.h
@@ -0,0 +1,92 @@
+/* $OpenBSD: regdef.h,v 1.3 2005/08/07 07:29:44 miod Exp $ */
+
+/*
+ * Copyright (c) 1992, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ralph Campbell. This file is derived from the MIPS RISC
+ * Architecture book by Gerry Kane.
+ *
+ * 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. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS 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.
+ *
+ * @(#)regdef.h 8.1 (Berkeley) 6/10/93
+ */
+#ifndef _MIPS_REGDEF_H_
+#define _MIPS_REGDEF_H_
+
+#define zero $0 /* always zero */
+#define AT $at /* assembler temp */
+#define v0 $2 /* return value */
+#define v1 $3
+#define a0 $4 /* argument registers */
+#define a1 $5
+#define a2 $6
+#define a3 $7
+#if defined(__mips_n32) || defined(__mips_n64)
+#define a4 $8 /* expanded register arguments */
+#define a5 $9
+#define a6 $10
+#define a7 $11
+#define ta0 $8 /* alias */
+#define ta1 $9
+#define ta2 $10
+#define ta3 $11
+#define t0 $12 /* temp registers (not saved across subroutine calls) */
+#define t1 $13
+#define t2 $14
+#define t3 $15
+#else
+#define t0 $8 /* temp registers (not saved across subroutine calls) */
+#define t1 $9
+#define t2 $10
+#define t3 $11
+#define t4 $12
+#define t5 $13
+#define t6 $14
+#define t7 $15
+#define ta0 $12 /* alias */
+#define ta1 $13
+#define ta2 $14
+#define ta3 $15
+#endif
+#define s0 $16 /* saved across subroutine calls (callee saved) */
+#define s1 $17
+#define s2 $18
+#define s3 $19
+#define s4 $20
+#define s5 $21
+#define s6 $22
+#define s7 $23
+#define t8 $24 /* two more temp registers */
+#define t9 $25
+#define k0 $26 /* kernel temporary */
+#define k1 $27
+#define gp $28 /* global pointer */
+#define sp $29 /* stack pointer */
+#define s8 $30 /* one more callee saved */
+#define ra $31 /* return address */
+
+#endif /* !_MIPS_REGDEF_H_ */