arch/frv/include/asm/spr-regs.h - arm/linux - Git at Google

 /* 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 */
	/* 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 */