/*
|
/*
|
* Register definitions
|
* Register definitions
|
*
|
*
|
* This file is subject to the terms and conditions of the GNU General
|
* This file is subject to the terms and conditions of the GNU General
|
* Public License. See the file "COPYING" in the main directory of
|
* Public License. See the file "COPYING" in the main directory of
|
* this archive for more details.
|
* this archive for more details.
|
*/
|
*/
|
#ifndef _REGDEF_H
|
#ifndef _REGDEF_H
|
#define _REGDEF_H
|
#define _REGDEF_H
|
|
|
#define zero $0 /* wired zero */
|
#define zero $0 /* wired zero */
|
#define AT $at /* assembler temp - uppercase because of ".set at" */
|
#define AT $at /* assembler temp - uppercase because of ".set at" */
|
#define v0 $2 /* return value - caller saved */
|
#define v0 $2 /* return value - caller saved */
|
#define v1 $3
|
#define v1 $3
|
#define a0 $4 /* argument registers */
|
#define a0 $4 /* argument registers */
|
#define a1 $5
|
#define a1 $5
|
#define a2 $6
|
#define a2 $6
|
#define a3 $7
|
#define a3 $7
|
#define t0 $8 /* caller saved in 32 bit (arg reg 64 bit) */
|
#define t0 $8 /* caller saved in 32 bit (arg reg 64 bit) */
|
#define t1 $9
|
#define t1 $9
|
#define t2 $10
|
#define t2 $10
|
#define t3 $11
|
#define t3 $11
|
#define t4 $12 /* caller saved */
|
#define t4 $12 /* caller saved */
|
#define t5 $13
|
#define t5 $13
|
#define t6 $14
|
#define t6 $14
|
#define t7 $15
|
#define t7 $15
|
#define s0 $16 /* callee saved */
|
#define s0 $16 /* callee saved */
|
#define s1 $17
|
#define s1 $17
|
#define s2 $18
|
#define s2 $18
|
#define s3 $19
|
#define s3 $19
|
#define s4 $20
|
#define s4 $20
|
#define s5 $21
|
#define s5 $21
|
#define s6 $22
|
#define s6 $22
|
#define s7 $23
|
#define s7 $23
|
#define t8 $24 /* caller saved */
|
#define t8 $24 /* caller saved */
|
#define t9 $25 /* callee address for PIC/temp */
|
#define t9 $25 /* callee address for PIC/temp */
|
#define k0 $26 /* kernel temporary */
|
#define k0 $26 /* kernel temporary */
|
#define k1 $27
|
#define k1 $27
|
#define gp $28 /* global pointer - caller saved for PIC */
|
#define gp $28 /* global pointer - caller saved for PIC */
|
#define sp $29 /* stack pointer */
|
#define sp $29 /* stack pointer */
|
#define fp $30 /* frame pointer */
|
#define fp $30 /* frame pointer */
|
#define s8 $30 /* callee saved */
|
#define s8 $30 /* callee saved */
|
#define ra $31 /* return address */
|
#define ra $31 /* return address */
|
|
|
#endif /* _REGDEF_H */
|
#endif /* _REGDEF_H */
|
|
|