/* spr-regs.h: special-purpose registers on the FRV
 *
 * Copyright (C) 2003, 2004 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells (dhowells@redhat.com)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 */

#ifndef _ASM_SPR_REGS_H
#define _ASM_SPR_REGS_H

/*
 * PSR - Processor Status Register
 */
#define PSR_ET                  0x00000001      /* enable interrupts/exceptions flag */
#define PSR_PS                  0x00000002      /* previous supervisor mode flag */
#define PSR_S                   0x00000004      /* supervisor mode flag */
#define PSR_PIL                 0x00000078      /* processor external interrupt level */
#define PSR_PIL_0               0x00000000      /* - no interrupt in progress */
#define PSR_PIL_13              0x00000068      /* - debugging only */
#define PSR_PIL_14              0x00000070      /* - debugging in progress */
#define PSR_PIL_15              0x00000078      /* - NMI in progress */
#define PSR_EM                  0x00000080      /* enable media operation */
#define PSR_EF                  0x00000100      /* enable FPU operation */
#define PSR_BE                  0x00001000      /* endianness mode */
#define PSR_BE_LE               0x00000000      /* - little endian mode */
#define PSR_BE_BE               0x00001000      /* - big endian mode */
#define PSR_CM                  0x00002000      /* conditional mode */
#define PSR_NEM                 0x00004000      /* non-excepting mode */
#define PSR_ICE                 0x00010000      /* in-circuit emulation mode */
#define PSR_VERSION_SHIFT       24              /* CPU silicon ID */
#define PSR_IMPLE_SHIFT         28              /* CPU core ID */

#define PSR_VERSION(psr)        (((psr) >> PSR_VERSION_SHIFT) & 0xf)
#define PSR_IMPLE(psr)          (((psr) >> PSR_IMPLE_SHIFT) & 0xf)

#define PSR_IMPLE_FR401         0x2
#define PSR_VERSION_FR401_MB93401       0x0
#define PSR_VERSION_FR401_MB93401A      0x1
#define PSR_VERSION_FR401_MB93403       0x2

#define PSR_IMPLE_FR405         0x4
#define PSR_VERSION_FR405_MB93405       0x0

#define PSR_IMPLE_FR451         0x5
#define PSR_VERSION_FR451_MB93451       0x0

#define PSR_IMPLE_FR501         0x1
#define PSR_VERSION_FR501_MB93501       0x1
#define PSR_VERSION_FR501_MB93501A      0x2

#define PSR_IMPLE_FR551         0x3
#define PSR_VERSION_FR551_MB93555       0x1

#define __get_PSR()     ({ unsigned long x; asm volatile("movsg psr,%0" : "=r"(x)); x; })
#define __set_PSR(V)    do { asm volatile("movgs %0,psr" : : "r"(V)); } while(0)

/*
 * TBR - Trap Base Register
 */
#define TBR_TT                  0x00000ff0
#define TBR_TT_INSTR_MMU_MISS   (0x01 << 4)
#define TBR_TT_INSTR_ACC_ERROR  (0x02 << 4)
#define TBR_TT_INSTR_ACC_EXCEP  (0x03 << 4)
#define TBR_TT_PRIV_INSTR       (0x06 << 4)
#define TBR_TT_ILLEGAL_INSTR    (0x07 << 4)
#define TBR_TT_FP_EXCEPTION     (0x0d << 4)
#define TBR_TT_MP_EXCEPTION     (0x0e << 4)
#define TBR_TT_DATA_ACC_ERROR   (0x11 << 4)
#define TBR_TT_DATA_MMU_MISS    (0x12 << 4)
#define TBR_TT_DATA_ACC_EXCEP   (0x13 << 4)
#define TBR_TT_DATA_STR_ERROR   (0x14 << 4)
#define TBR_TT_DIVISION_EXCEP   (0x17 << 4)
#define TBR_TT_COMMIT_EXCEP     (0x19 << 4)
#define TBR_TT_INSTR_TLB_MISS   (0x1a << 4)
#define TBR_TT_DATA_TLB_MISS    (0x1b << 4)
#define TBR_TT_DATA_DAT_EXCEP   (0x1d << 4)
#define TBR_TT_DECREMENT_TIMER  (0x1f << 4)
#define TBR_TT_COMPOUND_EXCEP   (0x20 << 4)
#define TBR_TT_INTERRUPT_1      (0x21 << 4)
#define TBR_TT_INTERRUPT_2      (0x22 << 4)
#define TBR_TT_INTERRUPT_3      (0x23 << 4)
#define TBR_TT_INTERRUPT_4      (0x24 << 4)
#define TBR_TT_INTERRUPT_5      (0x25 << 4)
#define TBR_TT_INTERRUPT_6      (0x26 << 4)
#define TBR_TT_INTERRUPT_7      (0x27 << 4)
#define TBR_TT_INTERRUPT_8      (0x28 << 4)
#define TBR_TT_INTERRUPT_9      (0x29 << 4)
#define TBR_TT_INTERRUPT_10     (0x2a << 4)
#define TBR_TT_INTERRUPT_11     (0x2b << 4)
#define TBR_TT_INTERRUPT_12     (0x2c << 4)
#define TBR_TT_INTERRUPT_13     (0x2d << 4)
#define TBR_TT_INTERRUPT_14     (0x2e << 4)
#define TBR_TT_INTERRUPT_15     (0x2f << 4)
#define TBR_TT_TRAP0            (0x80 << 4)
#define TBR_TT_TRAP1            (0x81 << 4)
#define TBR_TT_TRAP2            (0x82 << 4)
#define TBR_TT_TRAP3            (0x83 << 4)
#define TBR_TT_TRAP120          (0xf8 << 4)
#define TBR_TT_TRAP121          (0xf9 << 4)
#define TBR_TT_TRAP122          (0xfa << 4)
#define TBR_TT_TRAP123          (0xfb << 4)
#define TBR_TT_TRAP124          (0xfc << 4)
#define TBR_TT_TRAP125          (0xfd << 4)
#define TBR_TT_TRAP126          (0xfe << 4)
#define TBR_TT_BREAK            (0xff << 4)

#define TBR_TT_ATOMIC_CMPXCHG32 TBR_TT_TRAP120
#define TBR_TT_ATOMIC_XCHG32    TBR_TT_TRAP121
#define TBR_TT_ATOMIC_XOR       TBR_TT_TRAP122
#define TBR_TT_ATOMIC_OR        TBR_TT_TRAP123
#define TBR_TT_ATOMIC_AND       TBR_TT_TRAP124
#define TBR_TT_ATOMIC_SUB       TBR_TT_TRAP125
#define TBR_TT_ATOMIC_ADD       TBR_TT_TRAP126

#define __get_TBR()     ({ unsigned long x; asm volatile("movsg tbr,%0" : "=r"(x)); x; })

/*
 * HSR0 - Hardware Status Register 0
 */
#define HSR0_PDM                0x00000007      /* power down mode */
#define HSR0_PDM_NORMAL         0x00000000      /* - normal mode */
#define HSR0_PDM_CORE_SLEEP     0x00000001      /* - CPU core sleep mode */
#define HSR0_PDM_BUS_SLEEP      0x00000003      /* - bus sleep mode */
#define HSR0_PDM_PLL_RUN        0x00000005      /* - PLL run */
#define HSR0_PDM_PLL_STOP       0x00000007      /* - PLL stop */
#define HSR0_GRLE               0x00000040      /* GR lower register set enable */
#define HSR0_GRHE               0x00000080      /* GR higher register set enable */
#define HSR0_FRLE               0x00000100      /* FR lower register set enable */
#define HSR0_FRHE               0x00000200      /* FR higher register set enable */
#define HSR0_GRN                0x00000400      /* GR quantity */
#define HSR0_GRN_64             0x00000000      /* - 64 GR registers */
#define HSR0_GRN_32             0x00000400      /* - 32 GR registers */
#define HSR0_FRN                0x00000800      /* FR quantity */
#define HSR0_FRN_64             0x00000000      /* - 64 FR registers */
#define HSR0_FRN_32             0x00000800      /* - 32 FR registers */
#define HSR0_SA                 0x00001000      /* start address (RAMBOOT#) */
#define HSR0_ETMI               0x00008000      /* enable TIMERI (64-bit up timer) */
#define HSR0_ETMD               0x00004000      /* enable TIMERD (32-bit down timer) */
#define HSR0_PEDAT              0x00010000      /* previous DAT mode */
#define HSR0_XEDAT              0x00020000      /* exception DAT mode */
#define HSR0_EDAT               0x00080000      /* enable DAT mode */
#define HSR0_RME                0x00400000      /* enable RAM mode */
#define HSR0_EMEM               0x00800000      /* enable MMU_Miss mask */
#define HSR0_EXMMU              0x01000000      /* enable extended MMU mode */
#define HSR0_EDMMU              0x02000000      /* enable data MMU */
#define HSR0_EIMMU              0x04000000      /* enable instruction MMU */
#define HSR0_CBM                0x08000000      /* copy back mode */
#define HSR0_CBM_WRITE_THRU     0x00000000      /* - write through */
#define HSR0_CBM_COPY_BACK      0x08000000      /* - copy back */
#define HSR0_NWA                0x10000000      /* no write allocate */
#define HSR0_DCE                0x40000000      /* data cache enable */
#define HSR0_ICE                0x80000000      /* instruction cache enable */

#define __get_HSR(R)    ({ unsigned long x; asm volatile("movsg hsr"#R",%0" : "=r"(x)); x; })
#define __set_HSR(R,V)  do { asm volatile("movgs %0,hsr"#R : : "r"(V)); } while(0)

/*
 * CCR - Condition Codes Register
 */
#define CCR_FCC0                0x0000000f      /* FP/Media condition 0 (fcc0 reg) */
#define CCR_FCC1                0x000000f0      /* FP/Media condition 1 (fcc1 reg) */
#define CCR_FCC2                0x00000f00      /* FP/Media condition 2 (fcc2 reg) */
#define CCR_FCC3                0x0000f000      /* FP/Media condition 3 (fcc3 reg) */
#define CCR_ICC0                0x000f0000      /* Integer condition 0 (icc0 reg) */
#define CCR_ICC0_C              0x00010000      /* - Carry flag */
#define CCR_ICC0_V              0x00020000      /* - Overflow flag */
#define CCR_ICC0_Z              0x00040000      /* - Zero flag */
#define CCR_ICC0_N              0x00080000      /* - Negative flag */
#define CCR_ICC1                0x00f00000      /* Integer condition 1 (icc1 reg) */
#define CCR_ICC2                0x0f000000      /* Integer condition 2 (icc2 reg) */
#define CCR_ICC3                0xf0000000      /* Integer condition 3 (icc3 reg) */

/*
 * CCCR - Condition Codes for Conditional Instructions Register
 */
#define CCCR_CC0                0x00000003      /* condition 0 (cc0 reg) */
#define CCCR_CC0_FALSE          0x00000002      /* - condition is false */
#define CCCR_CC0_TRUE           0x00000003      /* - condition is true */
#define CCCR_CC1                0x0000000c      /* condition 1 (cc1 reg) */
#define CCCR_CC2                0x00000030      /* condition 2 (cc2 reg) */
#define CCCR_CC3                0x000000c0      /* condition 3 (cc3 reg) */
#define CCCR_CC4                0x00000300      /* condition 4 (cc4 reg) */
#define CCCR_CC5                0x00000c00      /* condition 5 (cc5 reg) */
#define CCCR_CC6                0x00003000      /* condition 6 (cc6 reg) */
#define CCCR_CC7                0x0000c000      /* condition 7 (cc7 reg) */

/*
 * ISR - Integer Status Register
 */
#define ISR_EMAM                0x00000001      /* memory misaligned access handling */
#define ISR_EMAM_EXCEPTION      0x00000000      /* - generate exception */
#define ISR_EMAM_FUDGE          0x00000001      /* - mask out invalid address bits */
#define ISR_AEXC                0x00000004      /* accrued [overflow] exception */
#define ISR_DTT                 0x00000018      /* division type trap */
#define ISR_DTT_IGNORE          0x00000000      /* - ignore division error */
#define ISR_DTT_DIVBYZERO       0x00000008      /* - generate exception */
#define ISR_DTT_OVERFLOW        0x00000010      /* - record overflow */
#define ISR_EDE                 0x00000020      /* enable division exception */
#define ISR_PLI                 0x20000000      /* pre-load instruction information */
#define ISR_QI                  0x80000000      /* quad data implementation information */

/*
 * EPCR0 - Exception PC Register
 */
#define EPCR0_V                 0x00000001      /* register content validity indicator */
#define EPCR0_PC                0xfffffffc      /* faulting instruction address */

/*
 * ESR0/14/15 - Exception Status Register
 */
#define ESRx_VALID              0x00000001      /* register content validity indicator */
#define ESRx_EC                 0x0000003e      /* exception type */
#define ESRx_EC_DATA_STORE      0x00000000      /* - data_store_error */
#define ESRx_EC_INSN_ACCESS     0x00000006      /* - instruction_access_error */
#define ESRx_EC_PRIV_INSN       0x00000008      /* - privileged_instruction */
#define ESRx_EC_ILL_INSN        0x0000000a      /* - illegal_instruction */
#define ESRx_EC_MP_EXCEP        0x0000001c      /* - mp_exception */
#define ESRx_EC_DATA_ACCESS     0x00000020      /* - data_access_error */
#define ESRx_EC_DIVISION        0x00000026      /* - division_exception */
#define ESRx_EC_ITLB_MISS       0x00000034      /* - instruction_access_TLB_miss */
#define ESRx_EC_DTLB_MISS       0x00000036      /* - data_access_TLB_miss */
#define ESRx_EC_DATA_ACCESS_DAT 0x0000003a      /* - data_access_DAT_exception */

#define ESR0_IAEC               0x00000100      /* info for instruction-access-exception */
#define ESR0_IAEC_RESV          0x00000000      /* - reserved */
#define ESR0_IAEC_PROT_VIOL     0x00000100      /* - protection violation */

#define ESR0_ATXC               0x00f00000      /* address translation exception code */
#define ESR0_ATXC_MMU_MISS      0x00000000      /* - MMU miss exception and more (?) */
#define ESR0_ATXC_MULTI_DAT     0x00800000      /* - multiple DAT entry hit */
#define ESR0_ATXC_MULTI_SAT     0x00900000      /* - multiple SAT entry hit */
#define ESR0_ATXC_AMRTLB_MISS   0x00a00000      /* - MMU/TLB miss exception */
#define ESR0_ATXC_PRIV_EXCEP    0x00c00000      /* - privilege protection fault */
#define ESR0_ATXC_WP_EXCEP      0x00d00000      /* - write protection fault */

#define ESR0_EAV                0x00000800      /* true if EAR0 register valid */
#define ESR15_EAV               0x00000800      /* true if EAR15 register valid */

/*
 * ESFR1 - Exception Status Valid Flag Register
 */
#define ESFR1_ESR0              0x00000001      /* true if ESR0 is valid */
#define ESFR1_ESR14             0x00004000      /* true if ESR14 is valid */
#define ESFR1_ESR15             0x00008000      /* true if ESR15 is valid */

/*
 * MSR - Media Status Register
 */
#define MSR0_AOVF               0x00000001      /* overflow exception accrued */
#define MSRx_OVF                0x00000002      /* overflow exception detected */
#define MSRx_SIE                0x0000003c      /* last SIMD instruction exception detected */
#define MSRx_SIE_NONE           0x00000000      /* - none detected */
#define MSRx_SIE_FRkHI_ACCk     0x00000020      /* - exception at FRkHI or ACCk */
#define MSRx_SIE_FRkLO_ACCk1    0x00000010      /* - exception at FRkLO or ACCk+1 */
#define MSRx_SIE_FRk1HI_ACCk2   0x00000008      /* - exception at FRk+1HI or ACCk+2 */
#define MSRx_SIE_FRk1LO_ACCk3   0x00000004      /* - exception at FRk+1LO or ACCk+3 */
#define MSR0_MTT                0x00007000      /* type of last media trap detected */
#define MSR0_MTT_NONE           0x00000000      /* - none detected */
#define MSR0_MTT_OVERFLOW       0x00001000      /* - overflow detected */
#define MSR0_HI                 0x00c00000      /* hardware implementation */
#define MSR0_HI_ROUNDING        0x00000000      /* - rounding mode */
#define MSR0_HI_NONROUNDING     0x00c00000      /* - non-rounding mode */
#define MSR0_EMCI               0x01000000      /* enable media custom instructions */
#define MSR0_SRDAV              0x10000000      /* select rounding mode of MAVEH */
#define MSR0_SRDAV_RDAV         0x00000000      /* - controlled by MSR.RDAV */
#define MSR0_SRDAV_RD           0x10000000      /* - controlled by MSR.RD */
#define MSR0_RDAV               0x20000000      /* rounding mode of MAVEH */
#define MSR0_RDAV_NEAREST_MI    0x00000000      /* - round to nearest minus */
#define MSR0_RDAV_NEAREST_PL    0x20000000      /* - round to nearest plus */
#define MSR0_RD                 0xc0000000      /* rounding mode */
#define MSR0_RD_NEAREST         0x00000000      /* - nearest */
#define MSR0_RD_ZERO            0x40000000      /* - zero */
#define MSR0_RD_POS_INF         0x80000000      /* - positive infinity */
#define MSR0_RD_NEG_INF         0xc0000000      /* - negative infinity */

/*
 * IAMPR0-7 - Instruction Address Mapping Register
 * DAMPR0-7 - Data Address Mapping Register
 */
#define xAMPRx_V                0x00000001      /* register content validity indicator */
#define DAMPRx_WP               0x00000002      /* write protect */
#define DAMPRx_WP_RW            0x00000000      /* - read/write */
#define DAMPRx_WP_RO            0x00000002      /* - read-only */
#define xAMPRx_C                0x00000004      /* cached/uncached */
#define xAMPRx_C_CACHED         0x00000000      /* - cached */
#define xAMPRx_C_UNCACHED       0x00000004      /* - uncached */
#define xAMPRx_S                0x00000008      /* supervisor only */
#define xAMPRx_S_USER           0x00000000      /* - userspace can access */
#define xAMPRx_S_KERNEL         0x00000008      /* - kernel only */
#define xAMPRx_SS               0x000000f0      /* segment size */
#define xAMPRx_SS_16Kb          0x00000000      /* - 16 kilobytes */
#define xAMPRx_SS_64Kb          0x00000010      /* - 64 kilobytes */
#define xAMPRx_SS_256Kb         0x00000020      /* - 256 kilobytes */
#define xAMPRx_SS_1Mb           0x00000030      /* - 1 megabyte */
#define xAMPRx_SS_2Mb           0x00000040      /* - 2 megabytes */
#define xAMPRx_SS_4Mb           0x00000050      /* - 4 megabytes */
#define xAMPRx_SS_8Mb           0x00000060      /* - 8 megabytes */
#define xAMPRx_SS_16Mb          0x00000070      /* - 16 megabytes */
#define xAMPRx_SS_32Mb          0x00000080      /* - 32 megabytes */
#define xAMPRx_SS_64Mb          0x00000090      /* - 64 megabytes */
#define xAMPRx_SS_128Mb         0x000000a0      /* - 128 megabytes */
#define xAMPRx_SS_256Mb         0x000000b0      /* - 256 megabytes */
#define xAMPRx_SS_512Mb         0x000000c0      /* - 512 megabytes */
#define xAMPRx_RESERVED8        0x00000100      /* reserved bit */
#define xAMPRx_NG               0x00000200      /* non-global */
#define xAMPRx_L                0x00000400      /* locked */
#define xAMPRx_M                0x00000800      /* modified */
#define xAMPRx_D                0x00001000      /* DAT entry */
#define xAMPRx_RESERVED13       0x00002000      /* reserved bit */
#define xAMPRx_PPFN             0xfff00000      /* physical page frame number */

#define xAMPRx_V_BIT            0
#define DAMPRx_WP_BIT           1
#define xAMPRx_C_BIT            2
#define xAMPRx_S_BIT            3
#define xAMPRx_RESERVED8_BIT    8
#define xAMPRx_NG_BIT           9
#define xAMPRx_L_BIT            10
#define xAMPRx_M_BIT            11
#define xAMPRx_D_BIT            12
#define xAMPRx_RESERVED13_BIT   13

#define __get_IAMPR(R) ({ unsigned long x; asm volatile("movsg iampr"#R",%0" : "=r"(x)); x; })
#define __get_DAMPR(R) ({ unsigned long x; asm volatile("movsg dampr"#R",%0" : "=r"(x)); x; })

#define __get_IAMLR(R) ({ unsigned long x; asm volatile("movsg iamlr"#R",%0" : "=r"(x)); x; })
#define __get_DAMLR(R) ({ unsigned long x; asm volatile("movsg damlr"#R",%0" : "=r"(x)); x; })

#define __set_IAMPR(R,V)        do { asm volatile("movgs %0,iampr"#R : : "r"(V)); } while(0)
#define __set_DAMPR(R,V)        do { asm volatile("movgs %0,dampr"#R : : "r"(V)); } while(0)

#define __set_IAMLR(R,V)        do { asm volatile("movgs %0,iamlr"#R : : "r"(V)); } while(0)
#define __set_DAMLR(R,V)        do { asm volatile("movgs %0,damlr"#R : : "r"(V)); } while(0)

#define save_dampr(R, _dampr)                                   \
do {                                                            \
        asm volatile("movsg dampr"R",%0" : "=r"(_dampr));       \
} while(0)

#define restore_dampr(R, _dampr)                        \
do {                                                    \
        asm volatile("movgs %0,dampr"R :: "r"(_dampr)); \
} while(0)

/*
 * AMCR - Address Mapping Control Register
 */
#define AMCR_IAMRN              0x000000ff      /* quantity of IAMPR registers */
#define AMCR_DAMRN              0x0000ff00      /* quantity of DAMPR registers */

/*
 * TTBR - Address Translation Table Base Register
 */
#define __get_TTBR()            ({ unsigned long x; asm volatile("movsg ttbr,%0" : "=r"(x)); x; })

/*
 * TPXR - TLB Probe Extend Register
 */
#define TPXR_E                  0x00000001
#define TPXR_LMAX_SHIFT         20
#define TPXR_LMAX_SMASK         0xf
#define TPXR_WMAX_SHIFT         24
#define TPXR_WMAX_SMASK         0xf
#define TPXR_WAY_SHIFT          28
#define TPXR_WAY_SMASK          0xf

/*
 * DCR - Debug Control Register
 */
#define DCR_IBCE3               0x00000001      /* break on conditional insn pointed to by IBAR3 */
#define DCR_IBE3                0x00000002      /* break on insn pointed to by IBAR3 */
#define DCR_IBCE1               0x00000004      /* break on conditional insn pointed to by IBAR2 */
#define DCR_IBE1                0x00000008      /* break on insn pointed to by IBAR2 */
#define DCR_IBCE2               0x00000010      /* break on conditional insn pointed to by IBAR1 */
#define DCR_IBE2                0x00000020      /* break on insn pointed to by IBAR1 */
#define DCR_IBCE0               0x00000040      /* break on conditional insn pointed to by IBAR0 */
#define DCR_IBE0                0x00000080      /* break on insn pointed to by IBAR0 */

#define DCR_DDBE1               0x00004000      /* use DBDR1x when checking DBAR1 */
#define DCR_DWBE1               0x00008000      /* break on store to address in DBAR1/DBMR1x */
#define DCR_DRBE1               0x00010000      /* break on load from address in DBAR1/DBMR1x */
#define DCR_DDBE0               0x00020000      /* use DBDR0x when checking DBAR0 */
#define DCR_DWBE0               0x00040000      /* break on store to address in DBAR0/DBMR0x */
#define DCR_DRBE0               0x00080000      /* break on load from address in DBAR0/DBMR0x */

#define DCR_EIM                 0x0c000000      /* external interrupt disable */
#define DCR_IBM                 0x10000000      /* instruction break disable */
#define DCR_SE                  0x20000000      /* single step enable */
#define DCR_EBE                 0x40000000      /* exception break enable */

/*
 * BRR - Break Interrupt Request Register
 */
#define BRR_ST                  0x00000001      /* single-step detected */
#define BRR_SB                  0x00000002      /* break instruction detected */
#define BRR_BB                  0x00000004      /* branch with hint detected */
#define BRR_CBB                 0x00000008      /* branch to LR detected */
#define BRR_IBx                 0x000000f0      /* hardware breakpoint detected */
#define BRR_DBx                 0x00000f00      /* hardware watchpoint detected */
#define BRR_DBNEx               0x0000f000      /* ? */
#define BRR_EBTT                0x00ff0000      /* trap type of exception break */
#define BRR_TB                  0x10000000      /* external break request detected */
#define BRR_CB                  0x20000000      /* ICE break command detected */
#define BRR_EB                  0x40000000      /* exception break detected */

/*
 * BPSR - Break PSR Save Register
 */
#define BPSR_BET                0x00000001      /* former PSR.ET */
#define BPSR_BS                 0x00001000      /* former PSR.S */

#endif /* _ASM_SPR_REGS_H */