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Diffstat (limited to 'arch/frv/include/asm/spr-regs.h')
| -rw-r--r-- | arch/frv/include/asm/spr-regs.h | 416 |
1 files changed, 416 insertions, 0 deletions
diff --git a/arch/frv/include/asm/spr-regs.h b/arch/frv/include/asm/spr-regs.h new file mode 100644 index 00000000000..01e6af5e99b --- /dev/null +++ b/arch/frv/include/asm/spr-regs.h @@ -0,0 +1,416 @@ +/* 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 /* - postive 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 */ |