/**************************************************************************
*                                                                         *
*   PROJECT     : MIPS port for uC/OS-II                                  *
*                                                                         *
*   MODULE      : ARCHDEFS.h                                              *
*                                                                         *
*   AUTHOR      : Michael Anburaj                                         *
*                 URL  : http://geocities.com/michaelanburaj/             *
*                 EMAIL: michaelanburaj@hotmail.com                       *
*                                                                         *
*   PROCESSOR   : MIPS 4Kc (32 bit RISC) - ATLAS board                    *
*                                                                         *
*   TOOL-CHAIN  : SDE & Cygnus                                            *
*                                                                         *
*   DESCRIPTION :                                                         *
*   Architecture definitions.                                             *
*                                                                         *
**************************************************************************/


#ifndef __ARCHDEFS_H__
#define __ARCHDEFS_H__


/* ********************************************************************* */
/* Module configuration */


/* ********************************************************************* */
/* Interface macro & data definition */

/*
 * Utility defines for cross platform handling of 64bit constants.
 */

#if !defined(Append)
    #define Append(c,s) (c##s)
#endif

#if !defined(__assembler) && !defined(MIPSAVPENV)
    #if defined(NT)
        #if !defined(UNS64Const)
            #define UNS64Const(c) Append(c,ui64)
        #endif

        #if !defined(INT64Const)
            #define INT64Const(c) Append(c,i64)
        #endif
    #else
        #if !defined(UNS64Const)
            #define UNS64Const(c) Append(c,ull)
        #endif

        #if !defined(INT64Const)
            #define INT64Const(c) Append(c,ll)
        #endif
    #endif
#else /* Not C or C++ */
    #if !defined(UNS64Const)
        #define UNS64Const(c) c
    #endif

    #if !defined(INT64Const)
        #define INT64Const(c) c
    #endif
#endif /* C or C++ */


/*
 ************************************************************************
 *                I N S T R U C T I O N   F O R M A T S                 *
 ************************************************************************
 *
 * The following definitions describe each field in an instruction.  There
 * is one diagram for each type of instruction, with field definitions
 * following the diagram for that instruction.  Note that if a field of
 * the same name and position is defined in an earlier diagram, it is
 * not defined again in the subsequent diagram.  Only new fields are
 * defined for each diagram.
 *
 * R-Type (operate)
 *
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |           |   rs    |   rt    |   rd    |   sa    |           |
 * |   Opcode  |         |         |       Tcode       |   func    |
 * |           |                  Bcode                |     | sel |
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define S_InstnOpcode        26
#define M_InstnOpcode        (0x3f << S_InstnOpcode)
#define S_InstnRS        21
#define M_InstnRS        (0x1f << S_InstnRS)
#define S_InstnRT        16
#define M_InstnRT        (0x1f << S_InstnRT)
#define S_InstnRD        11
#define M_InstnRD        (0x1f << S_InstnRD)
#define S_InstnSA        6
#define M_InstnSA        (0x1f << S_InstnSA)
#define S_InstnTcode        6
#define M_InstnTcode        (0x3ff << S_InstnTcode)
#define S_InstnBcode        6
#define M_InstnBcode        (0xfffff << S_InstnBcode)
#define S_InstnFunc        0
#define M_InstnFunc        (0x3f << S_InstnFunc)
#define S_InstnSel        0
#define M_InstnSel        (0x7 << S_InstnSel)

/*
 * I-Type (load, store, branch, immediate)
 *
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |   Opcode  |   rs    |   rt    |             Offset            |
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define S_InstnOffset        0
#define M_InstnOffset        (0xffff << S_InstnOffset)

/*
 * I-Type (pref)
 *
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |   Opcode  |   rs    |  hint   |             Offset            |
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define S_InstnHint        S_InstnRT
#define M_InstnHint        M_InstnRT

/*
 * J-Type (jump)
 *
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |   Opcode  |                    JIndex                         |
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define S_InstnJIndex        0
#define M_InstnJIndex        (0x03ffffff << S_InstnJIndex)

/*
 * FP R-Type (operate)
 *
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |   Opcode  |   fmt   |   ft    |   fs    |   fd    |   func    |
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define S_InstnFmt        S_InstnRS
#define M_InstnFmt        M_InstnRS
#define S_InstnFT        S_InstnRT
#define M_InstnFT        M_InstnRT
#define S_InstnFS        S_InstnRD
#define M_InstnFS        M_InstnRD
#define S_InstnFD        S_InstnSA
#define M_InstnFD        M_InstnSA

/*
 * FP R-Type (cpu <-> cpu data movement))
 *
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |   Opcode  |   sub   |   rt    |   fs    |          0          |
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define S_InstnSub        S_InstnRS
#define M_InstnSub        M_InstnRS

/*
 * FP R-Type (compare)
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |           |         |         |         |     | |C|           |
 * |   Opcode  |   fmt   |   ft    |   fs    |  cc |0|A|   func    |
 * |           |         |         |         |     | |B|           |
 * |           |         |         |         |     | |S|           |
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define S_InstnCCcmp        8
#define M_InstnCCcmp        (0x7 << S_InstnCCcmp)
#define S_InstnCABS        6
#define M_InstnCABS        (0x1 << S_InstnCABS)

/*
 * FP R-Type (FPR conditional move on FP cc)
 *
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |   Opcode  |   fmt   |  cc |n|t|   fs    |   fd    |   func    |
 * |           |         |     |d|f|         |         |           |
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define S_InstnCC        18
#define M_InstnCC        (0x7 << S_InstnCC)
#define S_InstnND        17
#define M_InstnND        (0x1 << S_InstnND)
#define S_InstnTF        16
#define M_InstnTF        (0x1 << S_InstnTF)

/*
 * FP R-Type (3-operand operate)
 *
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |   Opcode  |   fr    |   ft    |   fs    |   fd    | op4 | fmt3|
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define S_InstnFR        S_InstnRS
#define M_InstnFR        M_InstnRS
#define S_InstnOp4        3
#define M_InstnOp4        (0x7 << S_InstnOp4)
#define S_InstnFmt3        0
#define M_InstnFmt3        (0x7 << S_InstnFmt3)

/*
 * FP R-Type (Indexed load, store)
 *
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |   Opcode  |   rs    |   rt    |   0     |   fd    |   func    |
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */
/*
 * FP R-Type (prefx)
 *
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |   Opcode  |   rs    |   rt    |  hint   |    0    |   func    |
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define S_InstnHintX        S_InstnRD
#define M_InstnHintX        M_InstnRD

/*
 * FP R-Type (GPR conditional move on FP cc)
 *
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |   Opcode  |    rs   |  cc |n|t|   rd    |    0    |   func    |
 * |           |         |     |d|f|         |         |           |
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

/*
 * FP I-Type (load, store)
 * 
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |   Opcode  |   rs    |    ft   |           Offset              |
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

/*
 * FP I-Type (branch)
 *
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |   Opcode  |   fmt   |  cc |n|t|           Offset              |
 * |           |         |     |d|f|                               |
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */


/*
 *************************************************************************
 *         V I R T U A L   A D D R E S S   D E F I N I T I O N S         *
 *************************************************************************
 */

#ifdef MIPSADDR64
#define A_K0BASE        UNS64Const(0xffffffff80000000)
#define A_K1BASE        UNS64Const(0xffffffffa0000000)
#define A_K2BASE        UNS64Const(0xffffffffc0000000)
#define A_K3BASE        UNS64Const(0xffffffffe0000000)
#define A_REGION        UNS64Const(0xc000000000000000)
#define A_XKPHYS_ATTR        UNS64Const(0x3800000000000000)
#else
#define A_K0BASE        0x80000000
#define A_K1BASE        0xa0000000
#define A_K2BASE        0xc0000000
#define A_K3BASE        0xe0000000
#endif
#define M_KMAPPED        0x40000000        /* KnSEG address is mapped if bit is one */


#ifdef MIPS_Model64

#define S_VMAP64                62
#define M_VMAP64                UNS64Const(0xc000000000000000)

#define K_VMode11               3
#define K_VMode10               2
#define K_VMode01               1
#define K_VMode00               0

#define S_KSEG3                 29
#define M_KSEG3                 (0x7 << S_KSEG3)
#define K_KSEG3                 7

#define S_SSEG                  29
#define M_SSEG                  (0x7 << S_KSEG3)
#define K_SSEG                  6

#define S_KSSEG                 29
#define M_KSSEG                 (0x7 << S_KSEG3)
#define K_KSSEG                 6

#define S_KSEG1                 29
#define M_KSEG1                 (0x7 << S_KSEG3)
#define K_KSEG1                 5

#define S_KSEG0                 29
#define M_KSEG0                 (0x7 << S_KSEG3)
#define K_KSEG0                 4

#define S_XKSEG                 29
#define M_XKSEG                 (0x7 << S_KSEG3)
#define K_XKSEG                 3

#define S_USEG                  31
#define M_USEG                  (0x1 << S_USEG)
#define K_USEG                  0

#define S_EjtagProbeMem         20
#define M_EjtagProbeMem         (0x1 << S_EjtagProbeMem)
#define K_EjtagProbeMem         0



#else

#define S_KSEG3                 29
#define M_KSEG3                 (0x7 << S_KSEG3)
#define K_KSEG3                 7

#define S_KSSEG                 29
#define M_KSSEG                 (0x7 << S_KSSEG)
#define K_KSSEG                 6

#define S_SSEG                  29
#define M_SSEG                  (0x7 << S_SSEG)
#define K_SSEG                  6

#define S_KSEG1                 29
#define M_KSEG1                 (0x7 << S_KSEG1)
#define K_KSEG1                 5

#define S_KSEG0                 29
#define M_KSEG0                 (0x7 << S_KSEG0)
#define K_KSEG0                 4

#define S_KUSEG                 31
#define M_KUSEG                 (0x1 << S_KUSEG)
#define K_KUSEG                 0

#define S_SUSEG                 31
#define M_SUSEG                 (0x1 << S_SUSEG)
#define K_SUSEG                 0

#define S_USEG                  31
#define M_USEG                  (0x1 << S_USEG)
#define K_USEG                  0

#define K_EjtagLower            0xff200000
#define K_EjtagUpper            0xff3fffff

#define S_EjtagProbeMem         20
#define M_EjtagProbeMem         (0x1 << S_EjtagProbeMem)
#define K_EjtagProbeMem         0

#endif



/*
 *************************************************************************
 *   C A C H E   I N S T R U C T I O N   O P E R A T I O N   C O D E S   *
 *************************************************************************
 */

/*
 * Cache encodings
 */
#define K_CachePriI        0            /* Primary Icache */
#define K_CachePriD        1            /* Primary Dcache */
#define K_CachePriU        1            /* Unified primary */
#define K_CacheTerU        2            /* Unified Tertiary */
#define K_CacheSecU        3            /* Unified secondary */


/*
 * Function encodings
 */
#define S_CacheFunc         2            /* Amount to shift function encoding within 5-bit field */
#define K_CacheIndexInv     0            /* Index invalidate */
#define K_CacheIndexWBInv   0            /* Index writeback invalidate */
#define K_CacheIndexLdTag   1            /* Index load tag */
#define K_CacheIndexStTag   2            /* Index store tag */
#define K_CacheHitInv       4            /* Hit Invalidate */
#define K_CacheFill         5            /* Fill (Icache only) */
#define K_CacheHitWBInv     5            /* Hit writeback invalidate */
#define K_CacheHitWB        6            /* Hit writeback */
#define K_CacheFetchLock    7            /* Fetch and lock */

#define ICIndexInv        ((K_CacheIndexInv << S_CacheFunc) | K_CachePriI)
#define DCIndexWBInv      ((K_CacheIndexWBInv << S_CacheFunc) | K_CachePriD)
#define DCIndexInv        DCIndexWBInv
#define ICIndexLdTag      ((K_CacheIndexLdTag << S_CacheFunc) | K_CachePriI)
#define DCIndexLdTag      ((K_CacheIndexLdTag << S_CacheFunc) | K_CachePriD)
#define ICIndexStTag      ((K_CacheIndexStTag << S_CacheFunc) | K_CachePriI)
#define DCIndexStTag      ((K_CacheIndexStTag << S_CacheFunc) | K_CachePriD)
#define ICHitInv          ((K_CacheHitInv << S_CacheFunc) | K_CachePriI)
#define DCHitInv          ((K_CacheHitInv << S_CacheFunc) | K_CachePriD)
#define ICFill            ((K_CacheFill << S_CacheFunc) | K_CachePriI)
#define DCHitWBInv        ((K_CacheHitWBInv << S_CacheFunc) | K_CachePriD)
#define DCHitWB           ((K_CacheHitWB << S_CacheFunc) | K_CachePriD)
#define ICFetchLock       ((K_CacheFetchLock << S_CacheFunc) | K_CachePriI)
#define DCFetchLock       ((K_CacheFetchLock << S_CacheFunc) | K_CachePriD)


/*
 *************************************************************************
 *          P R E F E T C H   I N S T R U C T I O N   H I N T S          *
 *************************************************************************
 */

#define PrefLoad        0
#define PrefStore        1
#define PrefLoadStreamed    4
#define PrefStoreStreamed    5
#define PrefLoadRetained    6
#define PrefStoreRetained    7
#define PrefWBInval        25
#define PrefNudge        25


/*
 *************************************************************************
 *             C P U   R E G I S T E R   D E F I N I T I O N S           *
 *************************************************************************
 */


/*
 *************************************************************************
 *                  S O F T W A R E   G P R   N A M E S                  *
 *************************************************************************
 */

#define zero           $0
#define AT             $1
#define v0             $2
#define v1             $3
#define a0             $4
#define a1             $5
#define a2             $6
#define a3             $7
#define t0             $8
#define t1             $9
#define t2            $10
#define t3            $11
#define t4            $12
#define t5            $13
#define t6            $14
#define t7            $15
#define s0            $16
#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
#define k1            $27
#define gp            $28
#define sp            $29
#define fp            $30
#define ra            $31

/*
 * The following registers are used by the AVP environment and
 * are not part of the normal software definitions.
 */

#ifdef MIPSAVPENV
#define repc            $25            /* Expected exception PC */
#define tid            $30            /* Current test case address */
#endif


/*
 *************************************************************************
 *                  H A R D W A R E   G P R   N A M E S                  *
 *************************************************************************
 *
 * In the AVP environment, several of the `r' names are removed from the
 * name space because they are used by the kernel for special purposes.
 * Removing them causes assembly rather than runtime errors for tests that
 * use the `r' names.
 *
 *    - r25 (repc) is used as the expected PC on an exception
 *    - r26-r27 (k0, k1) are used in the exception handler
 *    - r30 (tid) is used as the current test address
 */

#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
#ifdef MIPSAVPENV
#define r25            r25_unknown
#define r26            r26_unknown
#define r27            r27_unknown
#else
#define r25            $25
#define r26            $26
#define r27            $27
#endif
#define r28            $28
#define r29            $29
#ifdef MIPSAVPENV
#define r30            r30_unknown
#else
#define r30            $30
#endif
#define r31            $31


/*
 *************************************************************************
 *                H A R D W A R E   G P R   I N D I C E S                *
 *************************************************************************
 *
 * These definitions provide the index (number) of the GPR, as opposed
 * to the assembler register name ($n).
 */

#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_hi            32            /* Hi register */
#define R_lo            33            /* Lo register */


/*
 *************************************************************************
 *                  S O F T W A R E   G P R   M A S K S                  *
 *************************************************************************
 *
 * These definitions provide the bit mask corresponding to the GPR number
 */

#define M_AT             (1<<1)
#define M_v0             (1<<2)
#define M_v1             (1<<3)
#define M_a0             (1<<4)
#define M_a1             (1<<5)
#define M_a2             (1<<6)
#define M_a3             (1<<7)
#define M_t0             (1<<8)
#define M_t1             (1<<9)
#define M_t2            (1<<10)
#define M_t3            (1<<11)
#define M_t4            (1<<12)
#define M_t5            (1<<13)
#define M_t6            (1<<14)
#define M_t7            (1<<15)
#define M_s0            (1<<16)
#define M_s1            (1<<17)
#define M_s2            (1<<18)
#define M_s3            (1<<19)
#define M_s4            (1<<20)
#define M_s5            (1<<21)
#define M_s6            (1<<22)
#define M_s7            (1<<23)
#define M_t8            (1<<24)
#define M_t9            (1<<25)
#define M_k0            (1<<26)
#define M_k1            (1<<27)
#define M_gp            (1<<28)
#define M_sp            (1<<29)
#define M_fp            (1<<30)
#define M_ra            (1<<31)


/*
 *************************************************************************
 *             C P 0   R E G I S T E R   D E F I N I T I O N S           *
 *************************************************************************
 * Each register has the following definitions:
 *
 *    C0_rrr        The register number (as a $n value)
 *    R_C0_rrr    The register index (as an integer corresponding
 *            to the register number)
 *
 * Each field in a register has the following definitions:
 *
 *    S_rrrfff    The shift count required to right-justify
 *            the field.  This corresponds to the bit
 *            number of the right-most bit in the field.
 *    M_rrrfff    The Mask required to isolate the field.
 *
 * Register diagrams included below as comments correspond to the
 * MIPS32 and MIPS64 architecture specifications.  Refer to other
 * sources for register diagrams for older architectures.
 */


/*
 ************************************************************************
 *                 I N D E X   R E G I S T E R   ( 0 )                  *
 ************************************************************************
 *     
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |P|                         0                       |   Index   | Index
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define C0_Index        $0
#define R_C0_Index        0
#define C0_INX            C0_Index        /* OBSOLETE - DO NOT USE IN NEW CODE */

#define S_IndexP        31            /* Probe failure (R)*/
#define M_IndexP        (0x1 << S_IndexP)

#define S_IndexIndex        0            /* TLB index (R/W)*/
#define M_IndexIndex        (0x3f << S_IndexIndex)

#define M_Index0Fields        0x7fffffc0
#define M_IndexRFields        0x80000000


/*
 ************************************************************************
 *                R A N D O M   R E G I S T E R   ( 1 )                 *
 ************************************************************************
 *     
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |                            0                      |   Index   | Random
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define C0_Random        $1
#define R_C0_Random        1
#define C0_RAND            $1            /* OBSOLETE - DO NOT USE IN NEW CODE */

#define S_RandomIndex        0            /* TLB random index (R)*/
#define M_RandomIndex        (0x3f << S_RandomIndex)

#define M_Random0Fields        0xffffffc0
#define M_RandomRFields        0x0000003f


/*
 ************************************************************************
 *              E N T R Y L O 0   R E G I S T E R   ( 2 )               *
 ************************************************************************
 *     
 *  6 6 6 6 5 // 3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  3 2 1 0 9 // 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+//+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * | Fill (0) //| 0 |                     PFN                       |  C  |D|V|G| EntryLo0
 * +-+-+-+-+-+//+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define C0_EntryLo0        $2
#define R_C0_EntryLo0        2
#define C0_TLBLO_0        C0_EntryLo0        /* OBSOLETE - DO NOT USE IN NEW CODE */

#define S_EntryLoPFN        6            /* PFN (R/W) */
#define M_EntryLoPFN        (0xffffff << S_EntryLoPFN)
#define S_EntryLoC        3            /* Coherency attribute (R/W) */
#define M_EntryLoC        (0x7 << S_EntryLoC)
#define S_EntryLoD        2            /* Dirty (R/W) */
#define M_EntryLoD        (0x1 << S_EntryLoD)
#define S_EntryLoV        1            /* Valid (R/W) */
#define M_EntryLoV        (0x1 << S_EntryLoV)
#define S_EntryLoG        0            /* Global (R/W) */
#define M_EntryLoG        (0x1 << S_EntryLoG)
#define M_EntryLoOddPFN        (0x1 << S_EntryLoPFN)    /* Odd PFN bit */
#define S_EntryLo_RS        K_PageAlign        /* Right-justify PFN */
#define S_EntryLo_LS        S_EntryLoPFN        /* Position PFN to appropriate position */

#define M_EntryLo0Fields    0x00000000
#define M_EntryLoRFields    0xc0000000
#define M_EntryLo0Fields64    UNS64Const(0x0000000000000000)
#define M_EntryLoRFields64    UNS64Const(0xffffffffc0000000)

/*
 * Cache attribute values in the C field of EntryLo and the
 * K0 field of Config
 */
#define K_CacheAttrCWTnWA    0            /* Cacheable, write-thru, no write allocate */
#define K_CacheAttrCWTWA    1            /* Cacheable, write-thru, write allocate */
#define K_CacheAttrU        2            /* Uncached */
#define K_CacheAttrC        3            /* Cacheable */
#define K_CacheAttrCN        3            /* Cacheable, non-coherent */
#define K_CacheAttrCCE        4            /* Cacheable, coherent, exclusive */
#define K_CacheAttrCCS        5            /* Cacheable, coherent, shared */
#define K_CacheAttrCCU        6            /* Cacheable, coherent, update */
#define K_CacheAttrUA        7            /* Uncached accelerated */


/*
 ************************************************************************
 *              E N T R Y L O 1   R E G I S T E R   ( 3 )               *
 ************************************************************************
 *     
 *  6 6 6 6 5 // 3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  3 2 1 0 9 // 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+//+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * | Fill (0) //| 0 |                     PFN                       |  C  |D|V|G| EntryLo1
 * +-+-+-+-+-+//+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define C0_EntryLo1        $3
#define R_C0_EntryLo1        3
#define C0_TLBLO_1        C0_EntryLo1        /* OBSOLETE - DO NOT USE IN NEW CODE */

/*
 * Field definitions are as given for EntryLo0 above
 */


/*
 ************************************************************************
 *               C O N T E X T   R E G I S T E R   ( 4 )                *
 ************************************************************************
 *     
 *  6 // 3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  3 // 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+//+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |  //       PTEBase    |            BadVPN<31:13>            |   0   | Context
 * +-+//+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define C0_Context        $4
#define R_C0_Context        4
#define C0_CTXT            C0_Context        /* OBSOLETE - DO NOT USE IN NEW CODE */

#define S_ContextPTEBase    23            /* PTE base (R/W) */
#define M_ContextPTEBase    (0x1ff << S_ContextPTEBase)
#define S_ContextBadVPN        4            /* BadVPN2 (R) */
#define M_ContextBadVPN        (0x7ffff << S_ContextBadVPN)
#define S_ContextBadVPN_LS    9            /* Position BadVPN to bit 31 */
#define S_ContextBadVPN_RS    13            /* Right-justify shifted BadVPN field */

#define M_Context0Fields    0x0000000f
#define M_ContextRFields    0x007ffff0
#define M_Context0Fields64    UNS64Const(0x000000000000000f)
#define M_ContextRFields64    UNS64Const(0x00000000007ffff0)


/*
 ************************************************************************
 *              P A G E M A S K   R E G I S T E R   ( 5 )               *
 ************************************************************************
 *     
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |      0      |        Mask           |            0            | PageMask
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define C0_PageMask        $5
#define R_C0_PageMask        5            /* Mask (R/W) */
#define C0_PGMASK        C0_PageMask        /* OBSOLETE - DO NOT USE IN NEW CODE */

#define S_PageMaskMask        13
#define M_PageMaskMask        (0xfff << S_PageMaskMask)

#define M_PageMask0Fields    0xfe001fff
#define M_PageMaskRFields    0x00000000

/*
 * Values in the Mask field
 */
#define K_PageMask4K        0x000            /* K_PageMasknn values are values for use */
#define K_PageMask16K        0x003            /* with KReqPageAttributes or KReqPageMask macros */
#define K_PageMask64K        0x00f
#define K_PageMask256K        0x03f
#define K_PageMask1M        0x0ff
#define K_PageMask4M        0x3ff
#define K_PageMask16M        0xfff

#define M_PageMask4K        (K_PageMask4K << S_PageMaskMask) /* M_PageMasknn values are masks */
#define M_PageMask16K        (K_PageMask16K << S_PageMaskMask) /* in position in the PageMask register */
#define M_PageMask64K        (K_PageMask64K << S_PageMaskMask)
#define M_PageMask256K        (K_PageMask256K << S_PageMaskMask)
#define M_PageMask1M        (K_PageMask1M << S_PageMaskMask)
#define M_PageMask4M        (K_PageMask4M << S_PageMaskMask)
#define M_PageMask16M        (K_PageMask16M << S_PageMaskMask)


/*
 ************************************************************************
 *                 W I R E D   R E G I S T E R   ( 6 )                  *
 ************************************************************************
 *     
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |                            0                      |   Index   | Wired
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define C0_Wired        $6
#define R_C0_Wired        6
#define C0_TLBWIRED        C0_Wired        /* OBSOLETE - DO NOT USE IN NEW CODE */

#define S_WiredIndex        0            /* TLB wired boundary (R/W) */
#define M_WiredIndex        (0x3f << S_WiredIndex)

#define M_Wired0Fields        0xffffffc0
#define M_WiredRFields        0x00000000


/*
 ************************************************************************
 *              B A D V A D D R   R E G I S T E R   ( 8 )               *
 ************************************************************************
 *     
 *  6 // 3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  3 // 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+//+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |  //                     Bad Virtual Address                        | BadVAddr
 * +-+//+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define C0_BadVAddr        $8
#define R_C0_BadVAddr        8
#define C0_BADVADDR        C0_BadVAddr        /* OBSOLETE - DO NOT USE IN NEW CODE */

#define M_BadVAddrOddPage    K_PageSize        /* Even/Odd VA bit for pair of PAs */

#define M_BadVAddr0Fields    0x00000000
#define M_BadVAddrRFields    0xffffffff
#define M_BadVAddr0Fields64    UNS64Const(0x0000000000000000)
#define M_BadVAddrRFields64    UNS64Const(0xffffffffffffffff)

/*
 ************************************************************************
 *                 C O U N T   R E G I S T E R   ( 9 )                  *
 ************************************************************************
 *     
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |                         Count Value                           | Count
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define C0_Count        $9
#define R_C0_Count        9
#define C0_COUNT        C0_Count        /* OBSOLETE - DO NOT USE IN NEW CODE */

#define M_Count0Fields        0x00000000
#define M_CountRFields        0x00000000


/*
 ************************************************************************
 *              E N T R Y H I   R E G I S T E R   ( 1 0 )               *
 ************************************************************************
 *     
 *  6 6 6 6 5 // 3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  3 2 1 0 9 // 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+//+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * | R | Fill //                 VPN2                 |    0    |     ASID      | EntryHi
 * +-+-+-+-+-+//+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define C0_EntryHi        $10
#define R_C0_EntryHi        10
#define C0_TLBHI        C0_EntryHi        /* OBSOLETE - DO NOT USE IN NEW CODE */

#define S_EntryHiR64        62            /* Region (R/W) */
#define M_EntryHiR64        UNS64Const(0xc000000000000000)
#define S_EntryHiVPN2        13            /* VPN/2 (R/W) */
#define M_EntryHiVPN2        (0x7ffff << S_EntryHiVPN2)
#define M_EntryHiVPN264        UNS64Const(0x000000ffffffe000)
#define S_EntryHiASID        0            /* ASID (R/W) */
#define M_EntryHiASID        (0xff << S_EntryHiASID)
#define S_EntryHiVPN_Shf    S_EntryHiVPN2

#define M_EntryHi0Fields    0x00001f00
#define M_EntryHiRFields    0x00000000
#define M_EntryHi0Fields64    UNS64Const(0x0000000000001f00)
#define M_EntryHiRFields64    UNS64Const(0x3fffff0000000000)


/*
 ************************************************************************
 *              C O M P A R E   R E G I S T E R   ( 1 1 )               *
 ************************************************************************
 *     
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |                        Compare Value                          | Compare
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define C0_Compare        $11
#define R_C0_Compare        11
#define C0_COMPARE        C0_Compare        /* OBSOLETE - DO NOT USE IN NEW CODE */

#define M_Compare0Fields    0x00000000
#define M_CompareRFields    0x00000000


/*
 ************************************************************************
 *               S T A T U S   R E G I S T E R   ( 1 2 )                *
 ************************************************************************
 *     
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |C|C|C|C|R|F|R|M|P|B|T|S|M| | R |I|I|I|I|I|I|I|I|K|S|U|U|R|E|E|I|
 * |U|U|U|U|P|R|E|X|X|E|S|R|M| | s |M|M|M|M|M|M|M|M|X|X|X|M|s|R|X|E| Status
 * |3|2|1|0| | | | | |V| | |I| | v |7|6|5|4|3|2|1|0| | | | |v|L|L| |
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define C0_Status        $12
#define R_C0_Status        12
#define C0_SR            C0_Status        /* OBSOLETE - DO NOT USE IN NEW CODE */

#define S_StatusCU        28            /* Coprocessor enable (R/W) */
#define M_StatusCU        (0xf << S_StatusCU)
#define S_StatusCU3        31
#define M_StatusCU3         (0x1 << S_StatusCU3)
#define S_StatusCU2        30
#define M_StatusCU2        (0x1 << S_StatusCU2)
#define S_StatusCU1        29
#define M_StatusCU1        (0x1 << S_StatusCU1)
#define S_StatusCU0        28
#define M_StatusCU0        (0x1 << S_StatusCU0)
#define S_StatusRP        27            /* Enable reduced power mode (R/W) */
#define M_StatusRP        (0x1 << S_StatusRP)
#define S_StatusFR        26            /* Enable 64-bit FPRs (MIPS64 only) (R/W) */
#define M_StatusFR        (0x1 << S_StatusFR)
#define S_StatusRE        25            /* Enable reverse endian (R/W) */
#define M_StatusRE        (0x1 << S_StatusRE)
#define S_StatusMX        24            /* Enable access to MDMX resources (MIPS64 only) (R/W) */
#define M_StatusMX        (0x1 << S_StatusMX)
#define S_StatusPX        23            /* Enable access to 64-bit instructions/data (MIPS64 only) (R/W) */
#define M_StatusPX        (0x1 << S_StatusPX)
#define S_StatusBEV        22            /* Enable Boot Exception Vectors (R/W) */
#define M_StatusBEV        (0x1 << S_StatusBEV)
#define S_StatusTS        21            /* Denote TLB shutdown (R/W) */
#define M_StatusTS        (0x1 << S_StatusTS)
#define S_StatusSR        20            /* Denote soft reset (R/W) */
#define M_StatusSR        (0x1 << S_StatusSR)
#define S_StatusNMI        19
#define M_StatusNMI        (0x1 << S_StatusNMI)    /* Denote NMI (R/W) */
#define S_StatusIM        8            /* Interrupt mask (R/W) */
#define M_StatusIM        (0xff << S_StatusIM)
#define S_StatusIM7        15
#define M_StatusIM7        (0x1 << S_StatusIM7)
#define S_StatusIM6        14
#define M_StatusIM6        (0x1 << S_StatusIM6)
#define S_StatusIM5        13
#define M_StatusIM5        (0x1 << S_StatusIM5)
#define S_StatusIM4        12
#define M_StatusIM4        (0x1 << S_StatusIM4)
#define S_StatusIM3        11
#define M_StatusIM3        (0x1 << S_StatusIM3)
#define S_StatusIM2        10
#define M_StatusIM2        (0x1 << S_StatusIM2)
#define S_StatusIM1        9
#define M_StatusIM1        (0x1 << S_StatusIM1)
#define S_StatusIM0        8
#define M_StatusIM0        (0x1 << S_StatusIM0)
#define S_StatusKX        7            /* Enable access to extended kernel addresses (MIPS64 only) (R/W) */
#define M_StatusKX        (0x1 << S_StatusKX)
#define S_StatusSX        6            /* Enable access to extended supervisor addresses (MIPS64 only) (R/W) */
#define M_StatusSX        (0x1 << S_StatusSX)
#define S_StatusUX        5            /* Enable access to extended user addresses (MIPS64 only) (R/W) */
#define M_StatusUX        (0x1 << S_StatusUX)
#define S_StatusKSU        3            /* Two-bit current mode (R/W) */
#define M_StatusKSU        (0x3 << S_StatusKSU)
#define S_StatusUM        4            /* User mode if supervisor mode not implemented (R/W) */
#define M_StatusUM        (0x1 << S_StatusUM)
#define S_StatusSM        3            /* Supervisor mode (R/W) */
#define M_StatusSM        (0x1 << S_StatusSM)
#define S_StatusERL        2            /* Denotes error level (R/W) */
#define M_StatusERL        (0x1 << S_StatusERL)
#define S_StatusEXL        1            /* Denotes exception level (R/W) */
#define M_StatusEXL        (0x1 << S_StatusEXL)
#define S_StatusIE        0            /* Enables interrupts (R/W) */
#define M_StatusIE        (0x1 << S_StatusIE)

#define M_Status0Fields        0x00040000
#define M_StatusRFields        0x058000e0        /* FR, MX, PX, KX, SX, UX unused in MIPS32 */
#define M_Status0Fields64    0x00040000
#define M_StatusRFields64    0x00000000

/*
 * Values in the KSU field
 */
#define K_StatusKSU_U        2            /* User mode in KSU field */
#define K_StatusKSU_S        1            /* Supervisor mode in KSU field */
#define K_StatusKSU_K        0            /* Kernel mode in KSU field */

#define C0_INTCTL $12,1
/*
 ************************************************************************
 *                C A U S E   R E G I S T E R   ( 1 3 )                 *
 ************************************************************************
 *     
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |B| | C |       |I|W|           |I|I|I|I|I|I|I|I| |         | R |
 * |D| | E | Rsvd  |V|P|    Rsvd   |P|P|P|P|P|P|P|P| | ExcCode | s | Cause
 * | | |   |       | | |           |7|6|5|4|3|2|1|0| |         | v |
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define C0_Cause        $13
#define R_C0_Cause        13
#define C0_CAUSE        C0_Cause        /* OBSOLETE - DO NOT USE IN NEW CODE */

#define S_CauseBD        31
#define M_CauseBD        (0x1 << S_CauseBD)
#define S_CauseCE        28
#define M_CauseCE        (0x3<< S_CauseCE)
#define S_CauseIV        23
#define M_CauseIV        (0x1 << S_CauseIV)
#define S_CauseWP        22
#define M_CauseWP        (0x1 << S_CauseWP)
#define S_CauseIP        8
#define M_CauseIP        (0xff << S_CauseIP)
#define S_CauseIPEXT        10
#define M_CauseIPEXT        (0x3f << S_CauseIPEXT)
#define S_CauseIP7        15
#define M_CauseIP7        (0x1 << S_CauseIP7)
#define S_CauseIP6        14
#define M_CauseIP6        (0x1 << S_CauseIP6)
#define S_CauseIP5        13
#define M_CauseIP5        (0x1 << S_CauseIP5)
#define S_CauseIP4        12
#define M_CauseIP4        (0x1 << S_CauseIP4)
#define S_CauseIP3        11
#define M_CauseIP3        (0x1 << S_CauseIP3)
#define S_CauseIP2        10
#define M_CauseIP2        (0x1 << S_CauseIP2)
#define S_CauseIP1        9
#define M_CauseIP1        (0x1 << S_CauseIP1)
#define S_CauseIP0        8
#define M_CauseIP0        (0x1 << S_CauseIP0)
#define S_CauseExcCode        2
#define M_CauseExcCode        (0x1f << S_CauseExcCode)

#define M_Cause0Fields        0x4f3f0083
#define M_CauseRFields        0xb000fc7c

/*
 * Values in the CE field
 */
#define K_CauseCE0        0            /* Coprocessor 0 in the CE field */
#define K_CauseCE1        1            /* Coprocessor 1 in the CE field */
#define K_CauseCE2        2            /* Coprocessor 2 in the CE field */
#define K_CauseCE3        3            /* Coprocessor 3 in the CE field */

/*
 * Values in the ExcCode field
 */
#define    EX_INT            0            /* Interrupt */
#define    EXC_INT            (EX_INT << S_CauseExcCode)
#define    EX_MOD            1            /* TLB modified */
#define    EXC_MOD            (EX_MOD << S_CauseExcCode)
#define    EX_TLBL                2            /* TLB exception (load or ifetch) */
#define    EXC_TLBL        (EX_TLBL << S_CauseExcCode)
#define    EX_TLBS                3            /* TLB exception (store) */
#define    EXC_TLBS        (EX_TLBS << S_CauseExcCode)
#define    EX_ADEL                4            /* Address error (load or ifetch) */
#define    EXC_ADEL        (EX_ADEL << S_CauseExcCode)
#define    EX_ADES                5            /* Address error (store) */
#define    EXC_ADES        (EX_ADES << S_CauseExcCode)
#define    EX_IBE            6            /* Instruction Bus Error */
#define    EXC_IBE            (EX_IBE << S_CauseExcCode)
#define    EX_DBE            7            /* Data Bus Error */
#define    EXC_DBE            (EX_DBE << S_CauseExcCode)
#define    EX_SYS            8            /* Syscall */
#define    EXC_SYS            (EX_SYS << S_CauseExcCode)
#define    EX_SYSCALL        EX_SYS
#define    EXC_SYSCALL        EXC_SYS
#define    EX_BP            9            /* Breakpoint */
#define    EXC_BP            (EX_BP << S_CauseExcCode)
#define    EX_BREAK        EX_BP
#define    EXC_BREAK        EXC_BP
#define    EX_RI            10            /* Reserved instruction */
#define    EXC_RI            (EX_RI << S_CauseExcCode)
#define    EX_CPU            11            /* CoProcessor Unusable */
#define    EXC_CPU            (EX_CPU << S_CauseExcCode)
#define    EX_OV            12            /* OVerflow */
#define    EXC_OV            (EX_OV << S_CauseExcCode)
#define    EX_TR                13            /* Trap instruction */
#define    EXC_TR            (EX_TR << S_CauseExcCode)
#define    EX_TRAP            EX_TR
#define    EXC_TRAP        EXC_TR
#define EX_FPE            15            /* floating point exception */
#define EXC_FPE            (EX_FPE << S_CauseExcCode)
#define EX_C2E            18            /* COP2 exception */
#define EXC_C2E            (EX_C2E << S_CauseExcCode)
#define EX_MDMX            22            /* MDMX exception */
#define EXC_MDMX        (EX_MDMX << S_CauseExcCode)
#define EX_WATCH        23            /* Watch exception */
#define EXC_WATCH        (EX_WATCH << S_CauseExcCode)
#define    EX_MCHECK            24            /* Machine check exception */
#define    EXC_MCHECK         (EX_MCHECK << S_CauseExcCode)
#define    EX_CacheErr            30            /* Cache error caused re-entry to Debug Mode */
#define    EXC_CacheErr         (EX_CacheErr << S_CauseExcCode)


/*
 ************************************************************************
 *                   E P C   R E G I S T E R   ( 1 4 )                  *
 ************************************************************************
 *     
 *  6 // 3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  3 // 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+//+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |  //                        Exception PC                            | EPC
 * +-+//+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define C0_EPC            $14
#define R_C0_EPC        14

#define M_EPC0Fields        0x00000000
#define M_EPCRFields        0x00000000
#define M_EPC0Fields64        UNS64Const(0x0000000000000000)
#define M_EPCRFields64        UNS64Const(0x0000000000000000)

/*
 ************************************************************************
 *                  P R I D   R E G I S T E R   ( 1 5 )                 *
 ************************************************************************
 *     
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |  Company Opts |   Company ID  |  Procesor ID  |   Revision    | PRId
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define C0_PRId            $15
#define R_C0_PRId        15
#define C0_PRID            C0_PRID            /* OBSOLETE - DO NOT USE IN NEW CODE */

#define S_PRIdCoOpt        24            /* Company options (R) */
#define M_PRIdCoOpt        (0xff << S_PRIdCoOpt)
#define S_PRIdCoID        16            /* Company ID (R) */
#define M_PRIdCoID        (0xff << S_PRIdCoID)
#define S_PRIdImp        8            /* Implementation ID (R) */
#define M_PRIdImp        (0xff << S_PRIdImp)
#define S_PRIdRev        0            /* Revision (R) */
#define M_PRIdRev        (0xff << S_PRIdRev)

#define M_PRId0Fields        0x00000000
#define M_PRIdRFields        0xffffffff
/*
 * Values in the Company ID field
 */
#define K_PRIdCoID_MIPS    1
#define K_PRIdCoID_Broadcom 2
#define K_PRIdCoID_Alchemy 3
#define K_PRIdCoID_SiByte 4
#define K_PRIdCoID_SandCraft 5
#define K_PRIdCoID_Philips 6
#define K_PRIdCoID_NextAvailable 7 /* Next available encoding */


/*
 * Values in the implementation number field
 */
#define K_PRIdImp_Jade        0x80
#define K_PRIdImp_Opal        0x81
#define K_PRIdImp_Ruby        0x82
#define K_PRIdImp_JadeLite    0x83
#define K_PRIdImp_4KEc          0x84    /* Emerald with TLB MMU */
#define K_PRIdImp_4KEmp         0x85    /* Emerald with FM MMU */
#define K_PRIdImp_4KSc          0x86    /* Coral */

#define K_PRIdImp_R3000        0x01
#define K_PRIdImp_R4000        0x04
#define K_PRIdImp_R10000    0x09
#define K_PRIdImp_R4300        0x0b
#define K_PRIdImp_R5000        0x23
#define K_PRIdImp_R5200        0x28
#define K_PRIdImp_R5400        0x54

#define C0_EBase         $15,1
#define C0_EBASE         C0_EBase
/*
 ************************************************************************
 *               C O N F I G   R E G I S T E R   ( 1 6 )                *
 ************************************************************************
 *     
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |M|                             |B| A |  A  |               | K | Config
 * | | Reserved for Implementations|E| T |  R  |    Reserved   | 0 |
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define C0_Config        $16
#define R_C0_Config        16
#define C0_CONFIG        C0_Config        /* OBSOLETE - DO NOT USE IN NEW CODE */

#define S_ConfigMore        31            /* Additional config registers present (R) */
#define M_ConfigMore        (0x1 << S_ConfigMore)
#define S_ConfigImpl        16            /* Implementation-specific fields */
#define M_ConfigImpl        (0x7fff << S_ConfigImpl)
#define S_ConfigBE        15            /* Denotes big-endian operation (R) */
#define M_ConfigBE        (0x1 << S_ConfigBE)
#define S_ConfigAT        13            /* Architecture type (R) */
#define M_ConfigAT        (0x3 << S_ConfigAT)
#define S_ConfigAR        10            /* Architecture revision (R) */
#define M_ConfigAR        (0x7 << S_ConfigAR)
#define S_ConfigMT        7            /* MMU Type (R) */
#define M_ConfigMT        (0x7 << S_ConfigMT)
#define S_ConfigK0        0            /* Kseg0 coherency algorithm (R/W) */
#define M_ConfigK0        (0x7 << S_ConfigK0)

/*
 * The following definitions are technically part of the "reserved for
 * implementations" field, but are the semi-standard definition used in
 * fixed-mapping MMUs to control the cacheability of kuseg and kseg2/3
 * references.  For that reason, they are included here, but may be
 * overridden by true implementation-specific definitions
 */
#define S_ConfigK23        28            /* Kseg2/3 coherency algorithm (FM MMU only) (R/W) */
#define M_ConfigK23        (0x7 << S_ConfigK23)
#define S_ConfigKU        25            /* Kuseg coherency algorithm (FM MMU only) (R/W) */
#define M_ConfigKU        (0x7 << S_ConfigKU)

#define M_Config0Fields        0x00000078
#define M_ConfigRFields        0x8000ff80

/*
 * Values in the AT field
 */
#define K_ConfigAT_MIPS32    0            /* MIPS32 */
#define K_ConfigAT_MIPS64S    1            /* MIPS64 with 32-bit addresses */
#define K_ConfigAT_MIPS64    2            /* MIPS64 with 32/64-bit addresses */

/*
 * Values in the MT field
 */
#define K_ConfigMT_NoMMU    0            /* No MMU */
#define K_ConfigMT_TLBMMU    1            /* Standard TLB MMU */
#define K_ConfigMT_BATMMU    2            /* Standard BAT MMU */
#define K_ConfigMT_FMMMU    3            /* Standard Fixed Mapping MMU */


/*
 ************************************************************************
 *         C O N F I G 1   R E G I S T E R   ( 1 6, SELECT 1 )          *
 ************************************************************************
 *     
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |M|  MMU Size |  IS |  IL |  IA |  DS |  DL |  DA |C|M|P|W|C|E|F| Config1
 * | |           |     |     |     |     |     |     |2|D|C|R|A|P|P|
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define C0_Config1        $16,1
#define R_C0_Config1        16

#define S_Config1More        31            /* Additional Config registers present (R) */
#define M_Config1More        (0x1 << S_Config1More)
#define S_Config1MMUSize     25            /* Number of MMU entries - 1 (R) */
#define M_Config1MMUSize     (0x3f << S_Config1MMUSize)
#define S_Config1IS        22            /* Icache sets per way (R) */
#define M_Config1IS        (0x7 << S_Config1IS)
#define S_Config1IL        19            /* Icache line size (R) */
#define M_Config1IL        (0x7 << S_Config1IL)
#define S_Config1IA        16            /* Icache associativity - 1 (R) */
#define M_Config1IA        (0x7 << S_Config1IA)
#define S_Config1DS        13            /* Dcache sets per way (R) */
#define M_Config1DS        (0x7 << S_Config1DS)
#define S_Config1DL        10            /* Dcache line size (R) */
#define M_Config1DL        (0x7 << S_Config1DL)
#define S_Config1DA        7            /* Dcache associativity (R) */
#define M_Config1DA        (0x7 << S_Config1DA)
#define S_Config1C2        6            /* Coprocessor 2 present (R) */
#define M_Config1C2        (0x1 << S_Config1C2)
#define S_Config1MD        5            /* Denotes MDMX present (R) */
#define M_Config1MD        (0x1 << S_Config1MD)
#define S_Config1PC        4            /* Denotes performance counters present (R) */
#define M_Config1PC        (0x1 << S_Config1PC)
#define S_Config1WR        3            /* Denotes watch registers present (R) */
#define M_Config1WR        (0x1 << S_Config1WR)
#define S_Config1CA        2            /* Denotes MIPS-16 present (R) */
#define M_Config1CA        (0x1 << S_Config1CA)
#define S_Config1EP        1            /* Denotes EJTAG present (R) */
#define M_Config1EP        (0x1 << S_Config1EP)
#define S_Config1FP        0            /* Denotes floating point present (R) */
#define M_Config1FP        (0x1 << S_Config1FP)

#define M_Config10Fields    0x00000060
#define M_Config1RFields    0x7fffff9f

/*
 * The following macro generates a table that is indexed
 * by the Icache or Dcache sets field in Config1 and
 * contains the decoded value of sets per way
 */
#define Config1CacheSets()    \
    HALF(64);        \
    HALF(128);        \
    HALF(256);        \
    HALF(512);        \
    HALF(1024);        \
    HALF(2048);        \
    HALF(4096);        \
    HALF(8192);

/*
 * The following macro generates a table that is indexed
 * by the Icache or Dcache line size field in Config1 and
 * contains the decoded value of the cache line size, in bytes
 */
#define Config1CacheLineSize()    \
    HALF(0);        \
    HALF(4);        \
    HALF(8);        \
    HALF(16);        \
    HALF(32);        \
    HALF(64);        \
    HALF(128);        \
    HALF(256);


/*
 ************************************************************************
 *         C O N F I G 2   R E G I S T E R   ( 1 6, SELECT 2 )          *
 ************************************************************************
 *     
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |M|           |     |     |     |     |     |     | | | | | |S|T| Config1
 * | |           |     |     |     |     |     |     | | | | | |M|L|
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define C0_Config2        $16,2
#define R_C0_Config2        16

#define S_Config2More        31            /* Additional Config registers present (R) */
#define M_Config2More        (0x1 << S_Config2More)
#define S_Config2SM        1            /* Denotes SmartMIPS ASE present (R) */
#define M_Config2SM        (0x1 << S_Config2SM)
#define S_Config2TL        0            /* Denotes Tracing Logic present (R) */
#define M_Config2TL        (0x1 << S_Config2TL)

#define M_Config20Fields    0xfffffffc
#define M_Config2RFields    0x00000003

/*
 ************************************************************************
 *                L L A D D R   R E G I S T E R   ( 1 7 )               *
 ************************************************************************
 *     
 *  6 6    3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  3 2    1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+//+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |    //                      LL Physical Address                       | LLAddr
 * +-+-+//+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define C0_LLAddr        $17
#define R_C0_LLAddr        17
#define C0_LLADDR        C0_LLAddr        /* OBSOLETE - DO NOT USE IN NEW CODE */

#define M_LLAddr0Fields        0x00000000
#define M_LLAddrRFields        0x00000000
#define M_LLAddr0Fields64    UNS64Const(0x0000000000000000)
#define M_LLAddrRFields64    UNS64Const(0x0000000000000000)


/*
 ************************************************************************
 *               W A T C H L O   R E G I S T E R   ( 1 8 )              *
 ************************************************************************
 *     
 *  6 // 3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  3 // 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+//+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |  //                    Watch Virtual Address                 |I|R|W| WatchLo
 * +-+//+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define C0_WatchLo        $18
#define R_C0_WatchLo        18
#define C0_WATCHLO        C0_WatchLo        /* OBSOLETE - DO NOT USE IN NEW CODE */

#define S_WatchLoVAddr        3            /* Watch virtual address (R/W) */
#define M_WatchLoVAddr        (0x1fffffff << S_WatchLoVAddr)
#define S_WatchLoI        2            /* Enable Istream watch (R/W) */
#define M_WatchLoI        (0x1 << S_WatchLoI)
#define S_WatchLoR        1            /* Enable data read watch (R/W) */
#define M_WatchLoR        (0x1 << S_WatchLoR)
#define S_WatchLoW        0            /* Enable data write watch (R/W) */
#define M_WatchLoW        (0x1 << S_WatchLoW)

#define M_WatchLo0Fields    0x00000000
#define M_WatchLoRFields    0x00000000
#define M_WatchLo0Fields64    UNS64Const(0x0000000000000000)
#define M_WatchLoRFields64    UNS64Const(0x0000000000000000)

#define M_WatchLoEnables    (M_WatchLoI | M_WatchLoR | M_WatchLoW)


/*
 ************************************************************************
 *               W A T C H H I   R E G I S T E R   ( 1 9 )              *
 ************************************************************************
 *     
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |M|G|    Rsvd   |      ASID     |  Rsvd |       Mask      |  0  | WatchHi
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define C0_WatchHi        $19
#define R_C0_WatchHi        19
#define C0_WATCHHI        C0_WatchHi        /* OBSOLETE - DO NOT USE IN NEW CODE */

#define S_WatchHiM        31            /* Denotes additional Watch registers present (R) */
#define M_WatchHiM        (0x1 << S_WatchHiM)
#define S_WatchHiG        30            /* Enable ASID-independent Watch match (R/W) */
#define M_WatchHiG        (0x1 << S_WatchHiG)
#define S_WatchHiASID        16            /* ASID value to match (R/W) */
#define M_WatchHiASID        (0xff << S_WatchHiASID)
#define S_WatchHiMask        3            /* Address inhibit mask (R/W) */
#define M_WatchHiMask        (0x1ff << S_WatchHiMask)

#define M_WatchHi0Fields    0x3f00f007
#define M_WatchHiRFields    0x80000000


/*
 ************************************************************************
 *             X C O N T E X T   R E G I S T E R   ( 2 0 )              *
 ************************************************************************
 *     
 *  6 // 3 3 3 3 3 3 3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  3 // 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+//+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |  // PTEBase  | R |                      BadVPN2<39:13>                 |   0   | XContext
 * +-+//+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define C0_XContext        $20
#define R_C0_XContext        20
#define C0_EXTCTXT        C0_XContext        /* OBSOLETE - DO NOT USE IN NEW CODE */

#define S_XContextBadVPN2    4            /* BadVPN2 (R) */
#define S_XContextBadVPN    S_XContextBadVPN2

#define M_XContext0Fields    0x0000000f


/*
 ************************************************************************
 *                 D E B U G   R E G I S T E R   ( 2 3 )                *
 ************************************************************************
 *     
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |D|D|N|L|D|H|C|I|M|C|D|I|D|D|     |         |N|S|   |D|D|D|D|D|D|
 * |B|M|o|S|o|a|o|B|C|a|B|E|D|D|EJTAG|DExcCode |o|S|   |I|I|D|D|B|S|
 * |D| |D|N|z|l|u|u|h|c|u|X|B|B| ver |         |S|t|   |N|B|B|B|p|S|
 * | | |C|M|e|t|n|s|e|h|s|I|S|L|     |         |S| | 0 |T| |S|L| | | Debug
 * | | |R| | | |t|E|c|e|E| |I|I|     |         |t| |   | | | | | | |
 * | | | | | | |D|P|k|E|P| |m|m|     |         | | |   | | | | | | |
 * | | | | | | |M| |P|P| | |p|p|     |         | | |   | | | | | | |
 * | | | | | | | | | | | | |r|r|     |         | | |   | | | | | | |
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define C0_Debug        $23    /* EJTAG */
#define R_C0_Debug        23

#define S_DebugDBD        31            /* Debug branch delay (R) */
#define M_DebugDBD        (0x1 << S_DebugDBD)
#define S_DebugDM        30            /* Debug mode (R) */
#define M_DebugDM        (0x1 << S_DebugDM)
#define S_DebugNoDCR        29            /* No debug control register present (R) */
#define M_DebugNoDCR        (0x1 << S_DebugNoDCR)
#define S_DebugLSNM        28            /* Load/Store Normal Memory (R/W) */
#define M_DebugLSNM        (0x1 << S_DebugLSNM)
#define S_DebugDoze        27            /* Doze (R) */
#define M_DebugDoze        (0x1 << S_DebugDoze)
#define S_DebugHalt        26            /* Halt (R) */
#define M_DebugHalt        (0x1 << S_DebugHalt)
#define S_DebugCountDM        25            /* Count register behavior in debug mode (R/W) */
#define M_DebugCountDM        (0x1 << S_DebugCountDM)
#define S_DebugIBusEP        24            /* Imprecise Instn Bus Error Pending (R/W) */
#define M_DebugIBusEP        (0x1 << S_DebugIBusEP)
#define S_DebugMCheckP        23            /* Imprecise Machine Check Pending (R/W) */
#define M_DebugMCheckP        (0x1 << S_DebugMCheckP)
#define S_DebugCacheEP        22            /* Imprecise Cache Error Pending (R/W) */
#define M_DebugCacheEP        (0x1 << S_DebugCacheEP)
#define S_DebugDBusEP        21            /* Imprecise Data Bus Error Pending (R/W) */
#define M_DebugDBusEP        (0x1 << S_DebugDBusEP)
#define S_DebugIEXI        20            /* Imprecise Exception Inhibit (R/W) */
#define M_DebugIEXI        (0x1 << S_DebugIEXI)
#define S_DebugDDBSImpr        19            /* Debug data break store imprecise (R) */
#define M_DebugDDBSImpr        (0x1 << S_DebugDDBSImpr)
#define S_DebugDDBLImpr        18            /* Debug data break load imprecise (R) */
#define M_DebugDDBLImpr        (0x1 << S_DebugDDBLImpr)
#define S_DebugEJTAGver        15            /* EJTAG version number (R) */
#define M_DebugEJTAGver        (0x7 << S_DebugEJTAGver)
#define S_DebugDExcCode        10            /* Debug exception code (R) */
#define M_DebugDExcCode        (0x1f << S_DebugDExcCode)
#define S_DebugNoSSt        9            /* No single step implemented (R) */
#define M_DebugNoSSt        (0x1 << S_DebugNoSSt)
#define S_DebugSSt        8            /* Single step enable (R/W) */
#define M_DebugSSt        (0x1 << S_DebugSSt)
#define S_DebugDINT        5            /* Debug interrupt (R) */
#define M_DebugDINT        (0x1 << S_DebugDINT)
#define S_DebugDIB        4            /* Debug instruction break (R) */
#define M_DebugDIB        (0x1 << S_DebugDIB)
#define S_DebugDDBS        3            /* Debug data break store (R) */
#define M_DebugDDBS        (0x1 << S_DebugDDBS)
#define S_DebugDDBL        2            /* Debug data break load (R) */
#define M_DebugDDBL        (0x1 << S_DebugDDBL)
#define S_DebugDBp        1            /* Debug breakpoint (R) */
#define M_DebugDBp        (0x1 << S_DebugDBp)
#define S_DebugDSS        0            /* Debug single step (R) */
#define M_DebugDSS        (0x1 << S_DebugDSS)

#define M_Debug0Fields    0x01f000c0
#define M_DebugRFields    0xec0ffe3f


/*
 ************************************************************************
 *                 D E P C   R E G I S T E R   ( 2 4 )                  *
 ************************************************************************
 *     
 *  6 // 3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  3 // 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+//+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |  //                  EJTAG Debug Exception PC                      | DEPC
 * +-+//+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */


#define C0_DEPC            $24
#define R_C0_DEPC        24

#define M_DEEPC0Fields        0x00000000
#define M_DEEPCRFields        0x00000000
#define M_DEEPC0Fields64    UNS64Const(0x0000000000000000)
#define M_DEEPCRFields64    UNS64Const(0x0000000000000000)


/*
 ************************************************************************
 *              P E R F C N T   R E G I S T E R   ( 2 5 )               *
 ************************************************************************
 *     
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * | |                                       |           |I| | | |E|
 * |M|                    0                  |   Event   |E|U|S|K|X| PerfCnt
 * | |                                       |           | | | | |L|
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 *
 *
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |                          Event Count                          | PerfCnt
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define C0_PerfCnt        $25
#define R_C0_PerfCnt        25
#define C0_PRFCNT0        C0_PerfCnt        /* OBSOLETE - DO NOT USE IN NEW CODE */
#define C0_PRFCNT1        C0_PerfCnt        /* OBSOLETE - DO NOT USE IN NEW CODE */

#define S_PerfCntM        31            /* More performance counters exist (R) */
#define M_PerfCntM        (1 << S_PerfCntM)
#define S_PerfCntEvent        5            /* Enabled event (R/W) */
#define M_PerfCntEvent        (0x3f << S_PerfCntEvent)
#define S_PerfCntIE        4            /* Interrupt Enable (R/W) */
#define M_PerfCntIE        (1 << S_PerfCntIE)
#define S_PerfCntU        3            /* Enable counting in User Mode (R/W) */
#define M_PerfCntU        (1 << S_PerfCntU)
#define S_PerfCntS        2            /* Enable counting in Supervisor Mode (R/W) */
#define M_PerfCntS        (1 << S_PerfCntS)
#define S_PerfCntK        1            /* Enable counting in Kernel Mode (R/W) */
#define M_PerfCntK        (1 << S_PerfCntK)
#define S_PerfCntEXL        0            /* Enable counting while EXL==1 (R/W) */
#define M_PerfCntEXL        (1 << S_PerfCntEXL)

#define M_PerfCnt0Fields    0x7ffff800
#define M_PerfCntRFields    0x80000000


/*
 ************************************************************************
 *               E R R C T L   R E G I S T E R   ( 2 6 )                *
 ************************************************************************
 *     
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |                        Error Control                          | ErrCtl
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define C0_ErrCtl        $26
#define R_C0_ErrCtl        26
#define C0_ECC            $26        /* OBSOLETE - DO NOT USE IN NEW CODE */
#define R_C0_ECC        26        /* OBSOLETE - DO NOT USE IN NEW CODE */

#define M_ErrCtl0Fields        0x00000000
#define M_ErrCtlRFields        0x00000000


/*
 ************************************************************************
 *             C A C H E E R R   R E G I S T E R   ( 2 7 )              * CacheErr
 ************************************************************************
 *     
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |                     Cache Error Control                       | CacheErr
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define C0_CacheErr        $27
#define R_C0_CacheErr        27
#define C0_CACHE_ERR        C0_CacheErr        /* OBSOLETE - DO NOT USE IN NEW CODE */

#define M_CacheErr0Fields    0x00000000
#define M_CachErrRFields    0x00000000


/*
 ************************************************************************
 *                T A G L O   R E G I S T E R   ( 2 8 )                 * TagLo
 ************************************************************************
 *     
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |                            TagLo                              | TagLo
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define C0_TagLo        $28
#define R_C0_TagLo        28
#define C0_TAGLO        C0_TagLo        /* OBSOLETE - DO NOT USE IN NEW CODE */

/*
 * Some implementations use separate TagLo registers for the
 * instruction and data caches.  In those cases, the following
 * definitions can be used in relevant code
 */

#define C0_ITagLo        $28,0
#define C0_DTagLo        $28,2

#define M_TagLo0Fields        0x00000000
#define M_TagLoRFields        0x00000000


/*
 ************************************************************************
 *        D A T A L O   R E G I S T E R   ( 2 8, SELECT 1 )             * DataLo
 ************************************************************************
 *     
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |                           DataLo                              | DataLo
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define C0_DataLo        $28,1
#define R_C0_DataLo        28

/*
 * Some implementations use separate DataLo registers for the
 * instruction and data caches.  In those cases, the following
 * definitions can be used in relevant code
 */

#define C0_IDataLo        $28,1
#define C0_DDataLo        $28,3

#define M_DataLo0Fields        0x00000000
#define M_DataLoRFields        0xffffffff


/*
 ************************************************************************
 *                T A G H I   R E G I S T E R   ( 2 9 )                 * TagHi
 ************************************************************************
 *     
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |                            TagHi                              | TagHi
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define C0_TagHi        $29
#define R_C0_TagHi        29
#define C0_TAGHI        C0_TagHi        /* OBSOLETE - DO NOT USE IN NEW CODE */

/*
 * Some implementations use separate TagHi registers for the
 * instruction and data caches.  In those cases, the following
 * definitions can be used in relevant code
 */

#define C0_ITagHi        $29,0
#define C0_DTagHi        $29,2

#define M_TagHi0Fields        0x00000000
#define M_TagHiRFields        0x00000000


/*
 ************************************************************************
 *        D A T A H I   R E G I S T E R   ( 2 9, SELECT 1 )             * DataHi
 ************************************************************************
 *     
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |                           DataHi                              | DataHi
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define C0_DataHi        $29,1
#define R_C0_DataHi        29

/*
 * Some implementations use separate DataHi registers for the
 * instruction and data caches.  In those cases, the following
 * definitions can be used in relevant code
 */

#define C0_IDataHi        $29,1
#define C0_DDataHi        $29,3

#define M_DataHi0Fields        0x00000000
#define M_DataHiRFields        0xffffffff


/*
 ************************************************************************
 *            E R R O R E P C   R E G I S T E R   ( 3 0 )               *
 ************************************************************************
 *     
 *  6 // 3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  3 // 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+//+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |  //                          Error PC                              | ErrorEPC
 * +-+//+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define C0_ErrorEPC        $30
#define R_C0_ErrorEPC        30
#define C0_ERROR_EPC        C0_ErrorEPC        /* OBSOLETE - DO NOT USE IN NEW CODE */

#define M_ErrorEPC0Fields    0x00000000
#define M_ErrorEPCRFields    0x00000000
#define M_ErrorEPC0Fields64    UNS64Const(0x0000000000000000)
#define M_ErrorEPCRFields64    UNS64Const(0x0000000000000000)


/*
 ************************************************************************
 *            D E S A V E   R E G I S T E R   ( 3 1 )                   *
 ************************************************************************
 *     
 *  6 // 3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  3 // 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+//+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |  //                   EJTAG Register Save Value                    | DESAVE
 * +-+//+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define C0_DESAVE        $31
#define R_C0_DESAVE        31

#define M_DESAVE0Fields        0x00000000
#define M_DESAVERFields        0x00000000
#define M_DESAVE0Fields64    UNS64Const(0x0000000000000000)
#define M_DESAVERFields64    UNS64Const(0x0000000000000000)


/*
 *************************************************************************
 *             C P 1   R E G I S T E R   D E F I N I T I O N S           *
 *************************************************************************
 */


/*
 *************************************************************************
 *                  H A R D W A R E   F P R   N A M E S                  *
 *************************************************************************
 */

#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

/*
 * The following definitions are used to convert an FPR name
 * into the corresponding even or odd name, respectively.
 * This is used in macro substitution in the AVPs.
 */

#define fp1_even        $f0
#define fp3_even        $f2
#define fp5_even        $f4
#define fp7_even        $f6
#define fp9_even        $f8
#define fp11_even        $f10
#define fp13_even        $f12
#define fp15_even        $f14
#define fp17_even        $f16
#define fp19_even        $f18
#define fp21_even        $f20
#define fp23_even        $f22
#define fp25_even        $f24
#define fp27_even        $f26
#define fp29_even        $f28
#define fp31_even        $f30

#define fp0_odd            $f1
#define fp2_odd            $f3
#define fp4_odd            $f5
#define fp6_odd            $f7
#define fp8_odd            $f9
#define fp10_odd        $f11
#define fp12_odd        $f13
#define fp14_odd        $f15
#define fp16_odd        $f17
#define fp18_odd        $f19
#define fp20_odd        $f21
#define fp22_odd        $f23
#define fp24_odd        $f25
#define fp26_odd        $f27
#define fp28_odd        $f29
#define fp30_odd        $f31


/*
 *************************************************************************
 *                H A R D W A R E   F P R   I N D I C E S                *
 *************************************************************************
 *
 * These definitions provide the index (number) of the FPR, as opposed
 * to the assembler register name ($n).
 */

#define R_fp0             0
#define R_fp1             1
#define R_fp2             2
#define R_fp3             3
#define R_fp4             4
#define R_fp5             5
#define R_fp6             6
#define R_fp7             7
#define R_fp8             8
#define R_fp9             9
#define R_fp10            10
#define R_fp11            11
#define R_fp12            12
#define R_fp13            13
#define R_fp14            14
#define R_fp15            15
#define R_fp16            16
#define R_fp17            17
#define R_fp18            18
#define R_fp19            19
#define R_fp20            20
#define R_fp21            21
#define R_fp22            22
#define R_fp23            23
#define R_fp24            24
#define R_fp25            25
#define R_fp26            26
#define R_fp27            27
#define R_fp28            28
#define R_fp29            29
#define R_fp30            30
#define R_fp31            31


/*
 *************************************************************************
 *                  H A R D W A R E   F C R   N A M E S                  *
 *************************************************************************
 */

#define fc0            $0
#define fc25            $25
#define fc26            $26
#define fc28            $28
#define fc31            $31


/*
 *************************************************************************
 *                H A R D W A R E   F C R   I N D I C E S                *
 *************************************************************************
 *
 * These definitions provide the index (number) of the FCR, as opposed
 * to the assembler register name ($n).
 */

#define R_fc0             0
#define R_fc25            25
#define R_fc26            26
#define R_fc28            28
#define R_fc31            31


/*
 *************************************************************************
 *                  H A R D W A R E   F C C   N A M E S                  *
 *************************************************************************
 */

#define cc0            $fcc0
#define cc1            $fcc1
#define cc2            $fcc2
#define cc3            $fcc3
#define cc4            $fcc4
#define cc5            $fcc5
#define cc6            $fcc6
#define cc7            $fcc7


/*
 *************************************************************************
 *                H A R D W A R E   F C C   I N D I C E S                *
 *************************************************************************
 *
 * These definitions provide the index (number) of the CC, as opposed
 * to the assembler register name ($n).
 */

#define R_cc0            0
#define R_cc1            1
#define R_cc2            2
#define R_cc3            3
#define R_cc4            4
#define R_cc5            5
#define R_cc6            6
#define R_cc7            7


/*
 ************************************************************************
 *             I M P L E M E N T A T I O N   R E G I S T E R            *
 ************************************************************************
 *     
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |Reserved for Additional|3|P|D|S| Implementation|   Revision    | FIR
 * |  Configuration Bits   |D|S| | |               |               |
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define C1_FIR            $0
#define R_C1_FIR            0

#define S_FIRConfigS        16
#define M_FIRConfigS        (0x1 << S_FIRConfigS)
#define S_FIRConfigD        17
#define M_FIRConfigD        (0x1 << S_FIRConfigD)
#define S_FIRConfigPS        18
#define M_FIRConfigPS       (0x1 << S_FIRConfigPS)
#define S_FIRConfig3D        19
#define M_FIRConfig3D        (0x1 << S_FIRConfig3D)
#define M_FIRConfigAll        (M_FIRConfigS|M_FIRConfigD|M_FIRConfigPS|M_FIRConfig3D)

#define S_FIRImp        8
#define M_FIRImp        (0xff << S_FIRImp)

#define S_FIRRev        0
#define M_FIRRev        (0xff << S_FIRRev)

#define M_FIR0Fields        0xfff00000
#define M_FIRRFields        0x000fffff

/*
 ************************************************************************
 *          C O N D I T I O N   C O D E S   R E G I S T E R             *
 ************************************************************************
 *     
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |                      0                        |      CC       | FCCR
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define C1_FCCR            $25
#define R_C1_FCCR        25

#define S_FCCRCC        0
#define M_FCCRCC        (0xff << S_FCCRCC)
#define S_FCCRCC7        7
#define M_FCCRCC7        (0x1 << S_FCCRCC7)
#define S_FCCRCC6        6
#define M_FCCRCC6        (0x1 << S_FCCRCC6)
#define S_FCCRCC5        5
#define M_FCCRCC5        (0x1 << S_FCCRCC5)
#define S_FCCRCC4        4
#define M_FCCRCC4        (0x1 << S_FCCRCC4)
#define S_FCCRCC3        3
#define M_FCCRCC3        (0x1 << S_FCCRCC3)
#define S_FCCRCC2        2
#define M_FCCRCC2        (0x1 << S_FCCRCC2)
#define S_FCCRCC1        1
#define M_FCCRCC1        (0x1 << S_FCCRCC1)
#define S_FCCRCC0        0
#define M_FCCRCC0        (0x1 << S_FCCRCC0)

#define M_FCCR0Fields        0xffffff00
#define M_FCCRRFields        0x000000ff


/*
 ************************************************************************
 *                 E X C E P T I O N S   R E G I S T E R                *
 ************************************************************************
 *     
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |             0             |   Cause   |    0    |  Flags  | 0 | FEXR
 * |                           |E|V|Z|O|U|I|         |V|Z|O|U|I|   |
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define C1_FEXR            $26
#define R_C1_FEXR        26

#define S_FEXRExc        12
#define M_FEXRExc        (0x3f << S_FEXRExc)
#define S_FEXRExcE        17
#define M_FEXRExcE        (0x1 << S_FEXRExcE)
#define S_FEXRExcV        16
#define M_FEXRExcV        (0x1 << S_FEXRExcV)
#define S_FEXRExcZ        15
#define M_FEXRExcZ        (0x1 << S_FEXRExcZ)
#define S_FEXRExcO        14
#define M_FEXRExcO        (0x1 << S_FEXRExcO)
#define S_FEXRExcU        13
#define M_FEXRExcU        (0x1 << S_FEXRExcU)
#define S_FEXRExcI        12
#define M_FEXRExcI        (0x1 << S_FEXRExcI)

#define S_FEXRFlg        2
#define M_FEXRFlg        (0x1f << S_FEXRFlg)
#define S_FEXRFlgV        6
#define M_FEXRFlgV        (0x1 << S_FEXRFlgV)
#define S_FEXRFlgZ        5
#define M_FEXRFlgZ        (0x1 << S_FEXRFlgZ)
#define S_FEXRFlgO        4
#define M_FEXRFlgO        (0x1 << S_FEXRFlgO)
#define S_FEXRFlgU        3
#define M_FEXRFlgU        (0x1 << S_FEXRFlgU)
#define S_FEXRFlgI        2
#define M_FEXRFlgI        (0x1 << S_FEXRFlgI)

#define M_FEXR0Fields        0xfffc0f83
#define M_FEXRRFields        0x00000000


/*
 ************************************************************************
 *                    E N A B L E S   R E G I S T E R                   *
 ************************************************************************
 *     
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |                   0                   | Enables |   0   |F|RM | FENR
 * |                                       |V|Z|O|U|I|       |S|   |
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define C1_FENR            $28
#define R_C1_FENR        28

#define S_FENREna        7
#define M_FENREna        (0x1f << S_FENREna)
#define S_FENREnaV        11
#define M_FENREnaV        (0x1 << S_FENREnaV)
#define S_FENREnaZ        10
#define M_FENREnaZ        (0x1 << S_FENREnaZ)
#define S_FENREnaO        9
#define M_FENREnaO        (0x1 << S_FENREnaO)
#define S_FENREnaU        8
#define M_FENREnaU        (0x1 << S_FENREnaU)
#define S_FENREnaI        7
#define M_FENREnaI        (0x1 << S_FENREnaI)

#define S_FENRFS        2
#define M_FENRFS        (0x1 << S_FENRFS)

#define S_FENRRM        0
#define M_FENRRM        (0x3 << S_FENRRM)

#define M_FENR0Fields        0xfffff078
#define M_FENRRFields        0x00000000


/*
 ************************************************************************
 *           C O N T R O L  /  S T A T U S   R E G I S T E R            *
 ************************************************************************
 *     
 *  3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 * |     FCC     |F|C|Imp|  0  |   Cause   | Enables |  Flags  | RM| FCSR
 * |7|6|5|4|3|2|1|S|C|   |     |E|V|Z|O|U|I|V|Z|O|U|I|V|Z|O|U|I|   |
 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */

#define C1_FCSR            $31
#define R_C1_FCSR        31

#define S_FCSRFCC7_1        25            /* Floating point condition codes 7..1 (R/W) */
#define M_FCSRFCC7_1        (0x7f << S_FCSRFCC7_1)
#define S_FCSRCC7        31
#define M_FCSRCC7        (0x1 << S_FCSRCC7)
#define S_FCSRCC6        30
#define M_FCSRCC6        (0x1 << S_FCSRCC6)
#define S_FCSRCC5        29
#define M_FCSRCC5        (0x1 << S_FCSRCC5)
#define S_FCSRCC4        28
#define M_FCSRCC4        (0x1 << S_FCSRCC4)
#define S_FCSRCC3        27
#define M_FCSRCC3        (0x1 << S_FCSRCC3)
#define S_FCSRCC2        26
#define M_FCSRCC2        (0x1 << S_FCSRCC2)
#define S_FCSRCC1        25
#define M_FCSRCC1        (0x1 << S_FCSRCC1)

#define S_FCSRFS        24            /* Flush denorms to zero (R/W) */
#define M_FCSRFS        (0x1 << S_FCSRFS)

#define S_FCSRCC0        23            /* Floating point condition code 0 (R/W) */
#define M_FCSRCC0        (0x1 << S_FCSRCC0)
#define S_FCSRCC        S_FCSRCC0
#define M_FCSRCC        M_FCSRCC0

#define S_FCSRImpl        21            /* Implementation-specific control bits (R/W) */
#define M_FCSRImpl        (0x3 << S_FCSRImpl)

#define S_FCSRExc        12            /* Exception cause (R/W) */
#define M_FCSRExc        (0x3f << S_FCSRExc)
#define S_FCSRExcE        17
#define M_FCSRExcE        (0x1 << S_FCSRExcE)
#define S_FCSRExcV        16
#define M_FCSRExcV        (0x1 << S_FCSRExcV)
#define S_FCSRExcZ        15
#define M_FCSRExcZ        (0x1 << S_FCSRExcZ)
#define S_FCSRExcO        14
#define M_FCSRExcO        (0x1 << S_FCSRExcO)
#define S_FCSRExcU        13
#define M_FCSRExcU        (0x1 << S_FCSRExcU)
#define S_FCSRExcI        12
#define M_FCSRExcI        (0x1 << S_FCSRExcI)

#define S_FCSREna        7            /* Exception enable (R/W) */
#define M_FCSREna        (0x1f << S_FCSREna)
#define S_FCSREnaV        11
#define M_FCSREnaV        (0x1 << S_FCSREnaV)
#define S_FCSREnaZ        10
#define M_FCSREnaZ        (0x1 << S_FCSREnaZ)
#define S_FCSREnaO        9
#define M_FCSREnaO        (0x1 << S_FCSREnaO)
#define S_FCSREnaU        8
#define M_FCSREnaU        (0x1 << S_FCSREnaU)
#define S_FCSREnaI        7
#define M_FCSREnaI        (0x1 << S_FCSREnaI)

#define S_FCSRFlg        2            /* Exception flags (R/W) */
#define M_FCSRFlg        (0x1f << S_FCSRFlg)
#define S_FCSRFlgV        6
#define M_FCSRFlgV        (0x1 << S_FCSRFlgV)
#define S_FCSRFlgZ        5
#define M_FCSRFlgZ        (0x1 << S_FCSRFlgZ)
#define S_FCSRFlgO        4
#define M_FCSRFlgO        (0x1 << S_FCSRFlgO)
#define S_FCSRFlgU        3
#define M_FCSRFlgU        (0x1 << S_FCSRFlgU)
#define S_FCSRFlgI        2
#define M_FCSRFlgI        (0x1 << S_FCSRFlgI)

#define S_FCSRRM        0            /* Rounding mode (R/W) */
#define M_FCSRRM        (0x3 << S_FCSRRM)

#define M_FCSR0Fields        0x001c0000
#define M_FCSRRFields        0x00000000

/*
 * Values in the rounding mode field (of both FCSR and FCCR)
 */
#define K_FCSRRM_RN        0
#define K_FCSRRM_RZ        1
#define K_FCSRRM_RP        2
#define K_FCSRRM_RM        3


/* ********************************************************************* */
/* Interface function definition */


/* ********************************************************************* */

#endif /* __ARCHDEFS_H__ */
