iregdef.h

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/*
 *  Copyright 1989 Integrated Device Technology, Inc
 *  All Rights Reserved
 *
 * Based upon IDT provided code with the following release:
 *
 * This source code has been made available to you by IDT on an AS-IS
 * basis. Anyone receiving this source is licensed under IDT copyrights
 * to use it in any way he or she deems fit, including copying it,
 * modifying it, compiling it, and redistributing it either with or
 * without modifications.  No license under IDT patents or patent
 * applications is to be implied by the copyright license.
 *
 * Any user of this software should understand that IDT cannot provide
 * technical support for this software and will not be responsible for
 * any consequences resulting from the use of this software.
 *
 * Any person who transfers this source code or any derivative work must
 * include the IDT copyright notice, this paragraph, and the preceeding
 * two paragraphs in the transferred software.
 *
 * COPYRIGHT IDT CORPORATION 1996
 * LICENSED MATERIAL - PROGRAM PROPERTY OF IDT
 */

#ifndef _RTEMS_MIPS_IREGDEF_H
#define _RTEMS_MIPS_IREGDEF_H

/* register names */

#define r0  $0
#define r1  $1
#define r2  $2
#define r3  $3
#define r4  $4
#define r5  $5
#define r6  $6
#define r7  $7
#define r8  $8
#define r9  $9
#define r10 $10
#define r11 $11
#define r12 $12
#define r13 $13

#define r14 $14
#define r15 $15
#define r16 $16
#define r17 $17
#define r18 $18
#define r19 $19
#define r20 $20
#define r21 $21
#define r22 $22
#define r23 $23
#define r24 $24
#define r25 $25
#define r26 $26
#define r27 $27
#define r28 $28
#define r29 $29
#define r30 $30
#define r31 $31

#define fp0 $f0
#define fp1 $f1
#define fp2 $f2
#define fp3 $f3
#define fp4 $f4
#define fp5 $f5
#define fp6 $f6
#define fp7 $f7
#define fp8 $f8
#define fp9 $f9
#define fp10    $f10
#define fp11    $f11
#define fp12    $f12
#define fp13    $f13
#define fp14    $f14
#define fp15    $f15
#define fp16    $f16
#define fp17    $f17
#define fp18    $f18
#define fp19    $f19
#define fp20    $f20
#define fp21    $f21
#define fp22    $f22
#define fp23    $f23
#define fp24    $f24
#define fp25    $f25
#define fp26    $f26
#define fp27    $f27
#define fp28    $f28
#define fp29    $f29
#define fp30    $f30
#define fp31    $f31

#define fcr0    $0
#define fcr30   $30
#define fcr31   $31

#define zero    $0  /* wired zero */
#define AT  $at /* assembler temp */
#define v0  $2  /* return value */
#define v1  $3
#define a0  $4  /* argument registers a0-a3 */
#define a1  $5
#define a2  $6
#define a3  $7
#define t0  $8  /* caller saved  t0-t9 */
#define t1  $9
#define t2  $10
#define t3  $11
#define t4  $12
#define t5  $13
#define t6  $14
#define t7  $15
#define s0  $16 /* callee saved s0-s8 */
#define s1  $17
#define s2  $18
#define s3  $19
#define s4  $20
#define s5  $21
#define s6  $22
#define s7  $23
#define t8  $24
#define t9  $25
#define k0  $26 /* kernel usage */
#define k1  $27 /* kernel usage */
#define gp  $28 /* sdata pointer */
#define sp  $29 /* stack pointer */
#define s8  $30 /* yet another saved reg for the callee */
#define fp  $30 /* frame pointer - this is being phased out by MIPS */
#define ra  $31 /* return address */


/*
** relative position of registers in interrupt/exception frame
*/
#define R_R0        0
#define R_R1        1
#define R_R2        2
#define R_R3        3
#define R_R4        4
#define R_R5        5
#define R_R6        6
#define R_R7        7
#define R_R8        8
#define R_R9        9
#define R_R10       10
#define R_R11       11
#define R_R12       12
#define R_R13       13
#define R_R14       14
#define R_R15       15
#define R_R16       16
#define R_R17       17
#define R_R18       18
#define R_R19       19
#define R_R20       20
#define R_R21       21
#define R_R22       22
#define R_R23       23
#define R_R24       24
#define R_R25       25
#define R_R26       26
#define R_R27       27
#define R_R28       28
#define R_R29       29
#define R_R30       30
#define R_R31       31

#define R_SR        32
#define R_MDLO      33
#define R_MDHI      34
#define R_BADVADDR  35
#define R_CAUSE     36
#define R_EPC       37

#define R_F0        38
#define R_F1        39
#define R_F2        40
#define R_F3        41
#define R_F4        42
#define R_F5        43
#define R_F6        44
#define R_F7        45
#define R_F8        46
#define R_F9        47
#define R_F10       48
#define R_F11       49
#define R_F12       50
#define R_F13       41
#define R_F14       42
#define R_F15       43
#define R_F16       44
#define R_F17       45
#define R_F18       56
#define R_F19       57
#define R_F20       58
#define R_F21       59
#define R_F22       60
#define R_F23       61
#define R_F24       62
#define R_F25       63
#define R_F26       64
#define R_F27       65
#define R_F28       66
#define R_F29       67
#define R_F30       68
#define R_F31       69
#define R_FCSR      70
#define R_FEIR      71
#define R_TLBHI     72

#if __mips == 1
#define R_TLBLO     73
#endif
#if  (__mips == 3 ) || ( __mips == 32)
#define R_TLBLO0    73
#endif

#define R_INX       74
#define R_RAND      75
#define R_CTXT      76
#define R_EXCTYPE   77
#define R_MODE      78
#define R_PRID      79
#define R_TAR           80
#if __mips == 1
#define NREGS       81
#endif
#if  (__mips == 3 ) || ( __mips == 32)
#define R_TLBLO1    81
#define R_PAGEMASK  82
#define R_WIRED     83
#define R_COUNT     84
#define R_COMPARE   85
#define R_CONFIG    86
#define R_LLADDR    87
#define R_WATCHLO   88
#define R_WATCHHI   89
#define R_ECC       90
#define R_CACHEERR  91
#define R_TAGLO     92
#define R_TAGHI     93
#define R_ERRPC     94
#define R_XCTXT         95  /* Ketan added from SIM64bit */

#define NREGS       96
#endif

/*
** For those who like to think in terms of the compiler names for the regs
*/
#define R_ZERO      R_R0
#define R_AT        R_R1
#define R_V0        R_R2
#define R_V1        R_R3
#define R_A0        R_R4
#define R_A1        R_R5
#define R_A2        R_R6
#define R_A3        R_R7
#define R_T0        R_R8
#define R_T1        R_R9
#define R_T2        R_R10
#define R_T3        R_R11
#define R_T4        R_R12
#define R_T5        R_R13
#define R_T6        R_R14
#define R_T7        R_R15
#define R_S0        R_R16
#define R_S1        R_R17
#define R_S2        R_R18
#define R_S3        R_R19
#define R_S4        R_R20
#define R_S5        R_R21
#define R_S6        R_R22
#define R_S7        R_R23
#define R_T8        R_R24
#define R_T9        R_R25
#define R_K0        R_R26
#define R_K1        R_R27
#define R_GP        R_R28
#define R_SP        R_R29
#define R_FP        R_R30
#define R_RA        R_R31

/* disabled for RTEMS */
#if 0
/* Ketan added the following */
#if __mips == 1
#define sreg    sw
#define lreg    lw
#define rmfc0   mfc0
#define rmtc0   mtc0
#define R_SZ    4
#endif /* __mips == 1 */

/* #ifdef  __mips == 3 */
#if __mips < 3
#define sreg    sw
#define lreg    lw
#define rmfc0   mfc0
#define rmtc0   mtc0
#define R_SZ    4
#else
#define sreg    sd
#define lreg    ld
#define rmfc0   dmfc0
#define rmtc0   dmtc0
#define R_SZ    8
#endif
/* #endif __mips == 3 */
/* Ketan till here */
#endif

#endif /* _RTEMS_MIPS_IREGDEF_H */