Subversion Repositories or1k

/*

 * 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) 1990 - 1992, 1999 Silicon Graphics, Inc.

 * Copyright (C) 1999 Ralf Baechle

 */

#ifndef _ASM_REGDEF_H

#define _ASM_REGDEF_H

#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 /* _ASM_REGDEF_H */