[linux-2.6-block.git] / arch / mips / include / asm / regdef.h

/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 1985 MIPS Computer Systems, Inc.
 * Copyright (C) 1994, 95, 99, 2003 by Ralf Baechle
 * Copyright (C) 1990 - 1992, 1999 Silicon Graphics, Inc.
 * Copyright (C) 2011 Wind River Systems,
 *   written by Ralf Baechle <ralf@linux-mips.org>
 */
#ifndef _ASM_REGDEF_H
#define _ASM_REGDEF_H

#include <asm/sgidefs.h>

#if _MIPS_SIM == _MIPS_SIM_ABI32

/*
 * Symbolic register names for 32 bit ABI
 */
#define zero	$0	/* wired zero */
#define AT	$1	/* assembler temp  - uppercase because of ".set at" */
#define v0	$2	/* return value */
#define v1	$3
#define a0	$4	/* argument registers */
#define a1	$5
#define a2	$6
#define a3	$7
#define t0	$8	/* caller saved */
#define t1	$9
#define t2	$10
#define t3	$11
#define t4	$12
#define ta0	$12
#define t5	$13
#define ta1	$13
#define t6	$14
#define ta2	$14
#define t7	$15
#define ta3	$15
#define s0	$16	/* 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	/* caller saved */
#define t9	$25
#define jp	$25	/* PIC jump register */
#define k0	$26	/* kernel scratch */
#define k1	$27
#define gp	$28	/* global pointer */
#define sp	$29	/* stack pointer */
#define fp	$30	/* frame pointer */
#define s8	$30	/* same like fp! */
#define ra	$31	/* return address */

#endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */

#if _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32

#define zero	$0	/* wired zero */
#define AT	$at	/* assembler temp - uppercase because of ".set at" */
#define v0	$2	/* return value - caller saved */
#define v1	$3
#define a0	$4	/* argument registers */
#define a1	$5
#define a2	$6
#define a3	$7
#define a4	$8	/* arg reg 64 bit; caller saved in 32 bit */
#define ta0	$8
#define a5	$9
#define ta1	$9
#define a6	$10
#define ta2	$10
#define a7	$11
#define ta3	$11
#define t0	$12	/* caller saved */
#define t1	$13
#define t2	$14
#define t3	$15
#define s0	$16	/* 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	/* caller saved */
#define t9	$25	/* callee address for PIC/temp */
#define jp	$25	/* PIC jump register */
#define k0	$26	/* kernel temporary */
#define k1	$27
#define gp	$28	/* global pointer - caller saved for PIC */
#define sp	$29	/* stack pointer */
#define fp	$30	/* frame pointer */
#define s8	$30	/* callee saved */
#define ra	$31	/* return address */

#endif /* _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32 */

#endif /* _ASM_REGDEF_H */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* This file is subject to the terms and conditions of the GNU General Public
	3	* License. See the file "COPYING" in the main directory of this archive
	4	* for more details.
	5	*
	6	* Copyright (C) 1985 MIPS Computer Systems, Inc.
	7	* Copyright (C) 1994, 95, 99, 2003 by Ralf Baechle
	8	* Copyright (C) 1990 - 1992, 1999 Silicon Graphics, Inc.
3ba1e543 RB	9	* Copyright (C) 2011 Wind River Systems,
3ba1e543 RB	10	* written by Ralf Baechle <ralf@linux-mips.org>
1da177e4 LT	11	*/
	12	#ifndef _ASM_REGDEF_H
	13	#define _ASM_REGDEF_H
	14
	15	#include <asm/sgidefs.h>
	16
	17	#if _MIPS_SIM == _MIPS_SIM_ABI32
	18
	19	/*
	20	* Symbolic register names for 32 bit ABI
	21	*/
70342287 RB	22	#define zero $0 /* wired zero */
	23	#define AT $1 /* assembler temp - uppercase because of ".set at" */
	24	#define v0 $2 /* return value */
	25	#define v1 $3
	26	#define a0 $4 /* argument registers */
	27	#define a1 $5
	28	#define a2 $6
	29	#define a3 $7
	30	#define t0 $8 /* caller saved */
	31	#define t1 $9
	32	#define t2 $10
	33	#define t3 $11
	34	#define t4 $12
3ba1e543	35	#define ta0 $12
70342287	36	#define t5 $13
3ba1e543	37	#define ta1 $13
70342287	38	#define t6 $14
3ba1e543	39	#define ta2 $14
70342287	40	#define t7 $15
3ba1e543	41	#define ta3 $15
70342287 RB	42	#define s0 $16 /* callee saved */
	43	#define s1 $17
	44	#define s2 $18
	45	#define s3 $19
	46	#define s4 $20
	47	#define s5 $21
	48	#define s6 $22
	49	#define s7 $23
	50	#define t8 $24 /* caller saved */
	51	#define t9 $25
	52	#define jp $25 /* PIC jump register */
	53	#define k0 $26 /* kernel scratch */
	54	#define k1 $27
	55	#define gp $28 /* global pointer */
	56	#define sp $29 /* stack pointer */
	57	#define fp $30 /* frame pointer */
1da177e4	58	#define s8 $30 /* same like fp! */
70342287	59	#define ra $31 /* return address */
1da177e4 LT	60
	61	#endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */
	62
	63	#if _MIPS_SIM == _MIPS_SIM_ABI64 \|\| _MIPS_SIM == _MIPS_SIM_NABI32
	64
	65	#define zero $0 /* wired zero */
	66	#define AT $at /* assembler temp - uppercase because of ".set at" */
	67	#define v0 $2 /* return value - caller saved */
	68	#define v1 $3
	69	#define a0 $4 /* argument registers */
	70	#define a1 $5
	71	#define a2 $6
	72	#define a3 $7
	73	#define a4 $8 /* arg reg 64 bit; caller saved in 32 bit */
	74	#define ta0 $8
	75	#define a5 $9
	76	#define ta1 $9
	77	#define a6 $10
	78	#define ta2 $10
	79	#define a7 $11
	80	#define ta3 $11
	81	#define t0 $12 /* caller saved */
	82	#define t1 $13
	83	#define t2 $14
	84	#define t3 $15
	85	#define s0 $16 /* callee saved */
	86	#define s1 $17
	87	#define s2 $18
	88	#define s3 $19
	89	#define s4 $20
	90	#define s5 $21
	91	#define s6 $22
	92	#define s7 $23
	93	#define t8 $24 /* caller saved */
	94	#define t9 $25 /* callee address for PIC/temp */
	95	#define jp $25 /* PIC jump register */
	96	#define k0 $26 /* kernel temporary */
	97	#define k1 $27
	98	#define gp $28 /* global pointer - caller saved for PIC */
	99	#define sp $29 /* stack pointer */
	100	#define fp $30 /* frame pointer */
	101	#define s8 $30 /* callee saved */
	102	#define ra $31 /* return address */
	103
	104	#endif /* _MIPS_SIM == _MIPS_SIM_ABI64 \|\| _MIPS_SIM == _MIPS_SIM_NABI32 */
	105
	106	#endif /* _ASM_REGDEF_H */