Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* spr-regs.h: special-purpose registers on the FRV |
| 2 | * |
| 3 | * Copyright (C) 2003, 2004 Red Hat, Inc. All Rights Reserved. |
| 4 | * Written by David Howells (dhowells@redhat.com) |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public License |
| 8 | * as published by the Free Software Foundation; either version |
| 9 | * 2 of the License, or (at your option) any later version. |
| 10 | */ |
| 11 | |
| 12 | #ifndef _ASM_SPR_REGS_H |
| 13 | #define _ASM_SPR_REGS_H |
| 14 | |
| 15 | /* |
| 16 | * PSR - Processor Status Register |
| 17 | */ |
| 18 | #define PSR_ET 0x00000001 /* enable interrupts/exceptions flag */ |
| 19 | #define PSR_PS 0x00000002 /* previous supervisor mode flag */ |
| 20 | #define PSR_S 0x00000004 /* supervisor mode flag */ |
| 21 | #define PSR_PIL 0x00000078 /* processor external interrupt level */ |
| 22 | #define PSR_PIL_0 0x00000000 /* - no interrupt in progress */ |
| 23 | #define PSR_PIL_13 0x00000068 /* - debugging only */ |
| 24 | #define PSR_PIL_14 0x00000070 /* - debugging in progress */ |
| 25 | #define PSR_PIL_15 0x00000078 /* - NMI in progress */ |
| 26 | #define PSR_EM 0x00000080 /* enable media operation */ |
| 27 | #define PSR_EF 0x00000100 /* enable FPU operation */ |
| 28 | #define PSR_BE 0x00001000 /* endianness mode */ |
| 29 | #define PSR_BE_LE 0x00000000 /* - little endian mode */ |
| 30 | #define PSR_BE_BE 0x00001000 /* - big endian mode */ |
| 31 | #define PSR_CM 0x00002000 /* conditional mode */ |
| 32 | #define PSR_NEM 0x00004000 /* non-excepting mode */ |
| 33 | #define PSR_ICE 0x00010000 /* in-circuit emulation mode */ |
| 34 | #define PSR_VERSION_SHIFT 24 /* CPU silicon ID */ |
| 35 | #define PSR_IMPLE_SHIFT 28 /* CPU core ID */ |
| 36 | |
| 37 | #define PSR_VERSION(psr) (((psr) >> PSR_VERSION_SHIFT) & 0xf) |
| 38 | #define PSR_IMPLE(psr) (((psr) >> PSR_IMPLE_SHIFT) & 0xf) |
| 39 | |
| 40 | #define PSR_IMPLE_FR401 0x2 |
| 41 | #define PSR_VERSION_FR401_MB93401 0x0 |
| 42 | #define PSR_VERSION_FR401_MB93401A 0x1 |
| 43 | #define PSR_VERSION_FR401_MB93403 0x2 |
| 44 | |
| 45 | #define PSR_IMPLE_FR405 0x4 |
| 46 | #define PSR_VERSION_FR405_MB93405 0x0 |
| 47 | |
| 48 | #define PSR_IMPLE_FR451 0x5 |
| 49 | #define PSR_VERSION_FR451_MB93451 0x0 |
| 50 | |
| 51 | #define PSR_IMPLE_FR501 0x1 |
| 52 | #define PSR_VERSION_FR501_MB93501 0x1 |
| 53 | #define PSR_VERSION_FR501_MB93501A 0x2 |
| 54 | |
| 55 | #define PSR_IMPLE_FR551 0x3 |
| 56 | #define PSR_VERSION_FR551_MB93555 0x1 |
| 57 | |
| 58 | #define __get_PSR() ({ unsigned long x; asm volatile("movsg psr,%0" : "=r"(x)); x; }) |
| 59 | #define __set_PSR(V) do { asm volatile("movgs %0,psr" : : "r"(V)); } while(0) |
| 60 | |
| 61 | /* |
| 62 | * TBR - Trap Base Register |
| 63 | */ |
| 64 | #define TBR_TT 0x00000ff0 |
| 65 | #define TBR_TT_INSTR_MMU_MISS (0x01 << 4) |
| 66 | #define TBR_TT_INSTR_ACC_ERROR (0x02 << 4) |
| 67 | #define TBR_TT_INSTR_ACC_EXCEP (0x03 << 4) |
| 68 | #define TBR_TT_PRIV_INSTR (0x06 << 4) |
| 69 | #define TBR_TT_ILLEGAL_INSTR (0x07 << 4) |
| 70 | #define TBR_TT_FP_EXCEPTION (0x0d << 4) |
| 71 | #define TBR_TT_MP_EXCEPTION (0x0e << 4) |
| 72 | #define TBR_TT_DATA_ACC_ERROR (0x11 << 4) |
| 73 | #define TBR_TT_DATA_MMU_MISS (0x12 << 4) |
| 74 | #define TBR_TT_DATA_ACC_EXCEP (0x13 << 4) |
| 75 | #define TBR_TT_DATA_STR_ERROR (0x14 << 4) |
| 76 | #define TBR_TT_DIVISION_EXCEP (0x17 << 4) |
| 77 | #define TBR_TT_COMMIT_EXCEP (0x19 << 4) |
| 78 | #define TBR_TT_INSTR_TLB_MISS (0x1a << 4) |
| 79 | #define TBR_TT_DATA_TLB_MISS (0x1b << 4) |
| 80 | #define TBR_TT_DATA_DAT_EXCEP (0x1d << 4) |
| 81 | #define TBR_TT_DECREMENT_TIMER (0x1f << 4) |
| 82 | #define TBR_TT_COMPOUND_EXCEP (0x20 << 4) |
| 83 | #define TBR_TT_INTERRUPT_1 (0x21 << 4) |
| 84 | #define TBR_TT_INTERRUPT_2 (0x22 << 4) |
| 85 | #define TBR_TT_INTERRUPT_3 (0x23 << 4) |
| 86 | #define TBR_TT_INTERRUPT_4 (0x24 << 4) |
| 87 | #define TBR_TT_INTERRUPT_5 (0x25 << 4) |
| 88 | #define TBR_TT_INTERRUPT_6 (0x26 << 4) |
| 89 | #define TBR_TT_INTERRUPT_7 (0x27 << 4) |
| 90 | #define TBR_TT_INTERRUPT_8 (0x28 << 4) |
| 91 | #define TBR_TT_INTERRUPT_9 (0x29 << 4) |
| 92 | #define TBR_TT_INTERRUPT_10 (0x2a << 4) |
| 93 | #define TBR_TT_INTERRUPT_11 (0x2b << 4) |
| 94 | #define TBR_TT_INTERRUPT_12 (0x2c << 4) |
| 95 | #define TBR_TT_INTERRUPT_13 (0x2d << 4) |
| 96 | #define TBR_TT_INTERRUPT_14 (0x2e << 4) |
| 97 | #define TBR_TT_INTERRUPT_15 (0x2f << 4) |
| 98 | #define TBR_TT_TRAP0 (0x80 << 4) |
| 99 | #define TBR_TT_TRAP1 (0x81 << 4) |
| 100 | #define TBR_TT_TRAP2 (0x82 << 4) |
David Howells | 28baeba | 2006-02-14 13:53:20 -0800 | [diff] [blame] | 101 | #define TBR_TT_TRAP3 (0x83 << 4) |
David Howells | e31c243 | 2008-04-10 16:10:55 +0100 | [diff] [blame^] | 102 | #define TBR_TT_TRAP120 (0xf8 << 4) |
| 103 | #define TBR_TT_TRAP121 (0xf9 << 4) |
| 104 | #define TBR_TT_TRAP122 (0xfa << 4) |
| 105 | #define TBR_TT_TRAP123 (0xfb << 4) |
| 106 | #define TBR_TT_TRAP124 (0xfc << 4) |
| 107 | #define TBR_TT_TRAP125 (0xfd << 4) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 108 | #define TBR_TT_TRAP126 (0xfe << 4) |
| 109 | #define TBR_TT_BREAK (0xff << 4) |
| 110 | |
David Howells | e31c243 | 2008-04-10 16:10:55 +0100 | [diff] [blame^] | 111 | #define TBR_TT_ATOMIC_CMPXCHG32 TBR_TT_TRAP120 |
| 112 | #define TBR_TT_ATOMIC_XCHG32 TBR_TT_TRAP121 |
| 113 | #define TBR_TT_ATOMIC_XOR TBR_TT_TRAP122 |
| 114 | #define TBR_TT_ATOMIC_OR TBR_TT_TRAP123 |
| 115 | #define TBR_TT_ATOMIC_AND TBR_TT_TRAP124 |
| 116 | #define TBR_TT_ATOMIC_SUB TBR_TT_TRAP125 |
| 117 | #define TBR_TT_ATOMIC_ADD TBR_TT_TRAP126 |
| 118 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 119 | #define __get_TBR() ({ unsigned long x; asm volatile("movsg tbr,%0" : "=r"(x)); x; }) |
| 120 | |
| 121 | /* |
| 122 | * HSR0 - Hardware Status Register 0 |
| 123 | */ |
| 124 | #define HSR0_PDM 0x00000007 /* power down mode */ |
| 125 | #define HSR0_PDM_NORMAL 0x00000000 /* - normal mode */ |
| 126 | #define HSR0_PDM_CORE_SLEEP 0x00000001 /* - CPU core sleep mode */ |
| 127 | #define HSR0_PDM_BUS_SLEEP 0x00000003 /* - bus sleep mode */ |
| 128 | #define HSR0_PDM_PLL_RUN 0x00000005 /* - PLL run */ |
| 129 | #define HSR0_PDM_PLL_STOP 0x00000007 /* - PLL stop */ |
| 130 | #define HSR0_GRLE 0x00000040 /* GR lower register set enable */ |
| 131 | #define HSR0_GRHE 0x00000080 /* GR higher register set enable */ |
| 132 | #define HSR0_FRLE 0x00000100 /* FR lower register set enable */ |
| 133 | #define HSR0_FRHE 0x00000200 /* FR higher register set enable */ |
| 134 | #define HSR0_GRN 0x00000400 /* GR quantity */ |
| 135 | #define HSR0_GRN_64 0x00000000 /* - 64 GR registers */ |
| 136 | #define HSR0_GRN_32 0x00000400 /* - 32 GR registers */ |
| 137 | #define HSR0_FRN 0x00000800 /* FR quantity */ |
| 138 | #define HSR0_FRN_64 0x00000000 /* - 64 FR registers */ |
| 139 | #define HSR0_FRN_32 0x00000800 /* - 32 FR registers */ |
| 140 | #define HSR0_SA 0x00001000 /* start address (RAMBOOT#) */ |
| 141 | #define HSR0_ETMI 0x00008000 /* enable TIMERI (64-bit up timer) */ |
| 142 | #define HSR0_ETMD 0x00004000 /* enable TIMERD (32-bit down timer) */ |
| 143 | #define HSR0_PEDAT 0x00010000 /* previous DAT mode */ |
| 144 | #define HSR0_XEDAT 0x00020000 /* exception DAT mode */ |
| 145 | #define HSR0_EDAT 0x00080000 /* enable DAT mode */ |
| 146 | #define HSR0_RME 0x00400000 /* enable RAM mode */ |
| 147 | #define HSR0_EMEM 0x00800000 /* enable MMU_Miss mask */ |
| 148 | #define HSR0_EXMMU 0x01000000 /* enable extended MMU mode */ |
| 149 | #define HSR0_EDMMU 0x02000000 /* enable data MMU */ |
| 150 | #define HSR0_EIMMU 0x04000000 /* enable instruction MMU */ |
| 151 | #define HSR0_CBM 0x08000000 /* copy back mode */ |
| 152 | #define HSR0_CBM_WRITE_THRU 0x00000000 /* - write through */ |
| 153 | #define HSR0_CBM_COPY_BACK 0x08000000 /* - copy back */ |
| 154 | #define HSR0_NWA 0x10000000 /* no write allocate */ |
| 155 | #define HSR0_DCE 0x40000000 /* data cache enable */ |
| 156 | #define HSR0_ICE 0x80000000 /* instruction cache enable */ |
| 157 | |
| 158 | #define __get_HSR(R) ({ unsigned long x; asm volatile("movsg hsr"#R",%0" : "=r"(x)); x; }) |
| 159 | #define __set_HSR(R,V) do { asm volatile("movgs %0,hsr"#R : : "r"(V)); } while(0) |
| 160 | |
| 161 | /* |
| 162 | * CCR - Condition Codes Register |
| 163 | */ |
| 164 | #define CCR_FCC0 0x0000000f /* FP/Media condition 0 (fcc0 reg) */ |
| 165 | #define CCR_FCC1 0x000000f0 /* FP/Media condition 1 (fcc1 reg) */ |
| 166 | #define CCR_FCC2 0x00000f00 /* FP/Media condition 2 (fcc2 reg) */ |
| 167 | #define CCR_FCC3 0x0000f000 /* FP/Media condition 3 (fcc3 reg) */ |
| 168 | #define CCR_ICC0 0x000f0000 /* Integer condition 0 (icc0 reg) */ |
| 169 | #define CCR_ICC0_C 0x00010000 /* - Carry flag */ |
| 170 | #define CCR_ICC0_V 0x00020000 /* - Overflow flag */ |
| 171 | #define CCR_ICC0_Z 0x00040000 /* - Zero flag */ |
| 172 | #define CCR_ICC0_N 0x00080000 /* - Negative flag */ |
| 173 | #define CCR_ICC1 0x00f00000 /* Integer condition 1 (icc1 reg) */ |
| 174 | #define CCR_ICC2 0x0f000000 /* Integer condition 2 (icc2 reg) */ |
| 175 | #define CCR_ICC3 0xf0000000 /* Integer condition 3 (icc3 reg) */ |
| 176 | |
| 177 | /* |
| 178 | * CCCR - Condition Codes for Conditional Instructions Register |
| 179 | */ |
| 180 | #define CCCR_CC0 0x00000003 /* condition 0 (cc0 reg) */ |
| 181 | #define CCCR_CC0_FALSE 0x00000002 /* - condition is false */ |
| 182 | #define CCCR_CC0_TRUE 0x00000003 /* - condition is true */ |
| 183 | #define CCCR_CC1 0x0000000c /* condition 1 (cc1 reg) */ |
| 184 | #define CCCR_CC2 0x00000030 /* condition 2 (cc2 reg) */ |
| 185 | #define CCCR_CC3 0x000000c0 /* condition 3 (cc3 reg) */ |
| 186 | #define CCCR_CC4 0x00000300 /* condition 4 (cc4 reg) */ |
| 187 | #define CCCR_CC5 0x00000c00 /* condition 5 (cc5 reg) */ |
| 188 | #define CCCR_CC6 0x00003000 /* condition 6 (cc6 reg) */ |
| 189 | #define CCCR_CC7 0x0000c000 /* condition 7 (cc7 reg) */ |
| 190 | |
| 191 | /* |
| 192 | * ISR - Integer Status Register |
| 193 | */ |
| 194 | #define ISR_EMAM 0x00000001 /* memory misaligned access handling */ |
| 195 | #define ISR_EMAM_EXCEPTION 0x00000000 /* - generate exception */ |
| 196 | #define ISR_EMAM_FUDGE 0x00000001 /* - mask out invalid address bits */ |
| 197 | #define ISR_AEXC 0x00000004 /* accrued [overflow] exception */ |
| 198 | #define ISR_DTT 0x00000018 /* division type trap */ |
| 199 | #define ISR_DTT_IGNORE 0x00000000 /* - ignore division error */ |
| 200 | #define ISR_DTT_DIVBYZERO 0x00000008 /* - generate exception */ |
| 201 | #define ISR_DTT_OVERFLOW 0x00000010 /* - record overflow */ |
| 202 | #define ISR_EDE 0x00000020 /* enable division exception */ |
| 203 | #define ISR_PLI 0x20000000 /* pre-load instruction information */ |
| 204 | #define ISR_QI 0x80000000 /* quad data implementation information */ |
| 205 | |
| 206 | /* |
| 207 | * EPCR0 - Exception PC Register |
| 208 | */ |
| 209 | #define EPCR0_V 0x00000001 /* register content validity indicator */ |
| 210 | #define EPCR0_PC 0xfffffffc /* faulting instruction address */ |
| 211 | |
| 212 | /* |
| 213 | * ESR0/14/15 - Exception Status Register |
| 214 | */ |
| 215 | #define ESRx_VALID 0x00000001 /* register content validity indicator */ |
| 216 | #define ESRx_EC 0x0000003e /* exception type */ |
| 217 | #define ESRx_EC_DATA_STORE 0x00000000 /* - data_store_error */ |
| 218 | #define ESRx_EC_INSN_ACCESS 0x00000006 /* - instruction_access_error */ |
| 219 | #define ESRx_EC_PRIV_INSN 0x00000008 /* - privileged_instruction */ |
| 220 | #define ESRx_EC_ILL_INSN 0x0000000a /* - illegal_instruction */ |
| 221 | #define ESRx_EC_MP_EXCEP 0x0000001c /* - mp_exception */ |
| 222 | #define ESRx_EC_DATA_ACCESS 0x00000020 /* - data_access_error */ |
| 223 | #define ESRx_EC_DIVISION 0x00000026 /* - division_exception */ |
| 224 | #define ESRx_EC_ITLB_MISS 0x00000034 /* - instruction_access_TLB_miss */ |
| 225 | #define ESRx_EC_DTLB_MISS 0x00000036 /* - data_access_TLB_miss */ |
| 226 | #define ESRx_EC_DATA_ACCESS_DAT 0x0000003a /* - data_access_DAT_exception */ |
| 227 | |
| 228 | #define ESR0_IAEC 0x00000100 /* info for instruction-access-exception */ |
| 229 | #define ESR0_IAEC_RESV 0x00000000 /* - reserved */ |
| 230 | #define ESR0_IAEC_PROT_VIOL 0x00000100 /* - protection violation */ |
| 231 | |
| 232 | #define ESR0_ATXC 0x00f00000 /* address translation exception code */ |
| 233 | #define ESR0_ATXC_MMU_MISS 0x00000000 /* - MMU miss exception and more (?) */ |
| 234 | #define ESR0_ATXC_MULTI_DAT 0x00800000 /* - multiple DAT entry hit */ |
| 235 | #define ESR0_ATXC_MULTI_SAT 0x00900000 /* - multiple SAT entry hit */ |
| 236 | #define ESR0_ATXC_AMRTLB_MISS 0x00a00000 /* - MMU/TLB miss exception */ |
| 237 | #define ESR0_ATXC_PRIV_EXCEP 0x00c00000 /* - privilege protection fault */ |
| 238 | #define ESR0_ATXC_WP_EXCEP 0x00d00000 /* - write protection fault */ |
| 239 | |
| 240 | #define ESR0_EAV 0x00000800 /* true if EAR0 register valid */ |
| 241 | #define ESR15_EAV 0x00000800 /* true if EAR15 register valid */ |
| 242 | |
| 243 | /* |
| 244 | * ESFR1 - Exception Status Valid Flag Register |
| 245 | */ |
| 246 | #define ESFR1_ESR0 0x00000001 /* true if ESR0 is valid */ |
| 247 | #define ESFR1_ESR14 0x00004000 /* true if ESR14 is valid */ |
| 248 | #define ESFR1_ESR15 0x00008000 /* true if ESR15 is valid */ |
| 249 | |
| 250 | /* |
| 251 | * MSR - Media Status Register |
| 252 | */ |
| 253 | #define MSR0_AOVF 0x00000001 /* overflow exception accrued */ |
| 254 | #define MSRx_OVF 0x00000002 /* overflow exception detected */ |
| 255 | #define MSRx_SIE 0x0000003c /* last SIMD instruction exception detected */ |
| 256 | #define MSRx_SIE_NONE 0x00000000 /* - none detected */ |
| 257 | #define MSRx_SIE_FRkHI_ACCk 0x00000020 /* - exception at FRkHI or ACCk */ |
| 258 | #define MSRx_SIE_FRkLO_ACCk1 0x00000010 /* - exception at FRkLO or ACCk+1 */ |
| 259 | #define MSRx_SIE_FRk1HI_ACCk2 0x00000008 /* - exception at FRk+1HI or ACCk+2 */ |
| 260 | #define MSRx_SIE_FRk1LO_ACCk3 0x00000004 /* - exception at FRk+1LO or ACCk+3 */ |
| 261 | #define MSR0_MTT 0x00007000 /* type of last media trap detected */ |
| 262 | #define MSR0_MTT_NONE 0x00000000 /* - none detected */ |
| 263 | #define MSR0_MTT_OVERFLOW 0x00001000 /* - overflow detected */ |
| 264 | #define MSR0_HI 0x00c00000 /* hardware implementation */ |
| 265 | #define MSR0_HI_ROUNDING 0x00000000 /* - rounding mode */ |
| 266 | #define MSR0_HI_NONROUNDING 0x00c00000 /* - non-rounding mode */ |
| 267 | #define MSR0_EMCI 0x01000000 /* enable media custom instructions */ |
| 268 | #define MSR0_SRDAV 0x10000000 /* select rounding mode of MAVEH */ |
| 269 | #define MSR0_SRDAV_RDAV 0x00000000 /* - controlled by MSR.RDAV */ |
| 270 | #define MSR0_SRDAV_RD 0x10000000 /* - controlled by MSR.RD */ |
| 271 | #define MSR0_RDAV 0x20000000 /* rounding mode of MAVEH */ |
| 272 | #define MSR0_RDAV_NEAREST_MI 0x00000000 /* - round to nearest minus */ |
| 273 | #define MSR0_RDAV_NEAREST_PL 0x20000000 /* - round to nearest plus */ |
| 274 | #define MSR0_RD 0xc0000000 /* rounding mode */ |
| 275 | #define MSR0_RD_NEAREST 0x00000000 /* - nearest */ |
| 276 | #define MSR0_RD_ZERO 0x40000000 /* - zero */ |
| 277 | #define MSR0_RD_POS_INF 0x80000000 /* - postive infinity */ |
| 278 | #define MSR0_RD_NEG_INF 0xc0000000 /* - negative infinity */ |
| 279 | |
| 280 | /* |
| 281 | * IAMPR0-7 - Instruction Address Mapping Register |
| 282 | * DAMPR0-7 - Data Address Mapping Register |
| 283 | */ |
| 284 | #define xAMPRx_V 0x00000001 /* register content validity indicator */ |
| 285 | #define DAMPRx_WP 0x00000002 /* write protect */ |
| 286 | #define DAMPRx_WP_RW 0x00000000 /* - read/write */ |
| 287 | #define DAMPRx_WP_RO 0x00000002 /* - read-only */ |
| 288 | #define xAMPRx_C 0x00000004 /* cached/uncached */ |
| 289 | #define xAMPRx_C_CACHED 0x00000000 /* - cached */ |
| 290 | #define xAMPRx_C_UNCACHED 0x00000004 /* - uncached */ |
| 291 | #define xAMPRx_S 0x00000008 /* supervisor only */ |
| 292 | #define xAMPRx_S_USER 0x00000000 /* - userspace can access */ |
| 293 | #define xAMPRx_S_KERNEL 0x00000008 /* - kernel only */ |
| 294 | #define xAMPRx_SS 0x000000f0 /* segment size */ |
| 295 | #define xAMPRx_SS_16Kb 0x00000000 /* - 16 kilobytes */ |
| 296 | #define xAMPRx_SS_64Kb 0x00000010 /* - 64 kilobytes */ |
| 297 | #define xAMPRx_SS_256Kb 0x00000020 /* - 256 kilobytes */ |
| 298 | #define xAMPRx_SS_1Mb 0x00000030 /* - 1 megabyte */ |
| 299 | #define xAMPRx_SS_2Mb 0x00000040 /* - 2 megabytes */ |
| 300 | #define xAMPRx_SS_4Mb 0x00000050 /* - 4 megabytes */ |
| 301 | #define xAMPRx_SS_8Mb 0x00000060 /* - 8 megabytes */ |
| 302 | #define xAMPRx_SS_16Mb 0x00000070 /* - 16 megabytes */ |
| 303 | #define xAMPRx_SS_32Mb 0x00000080 /* - 32 megabytes */ |
| 304 | #define xAMPRx_SS_64Mb 0x00000090 /* - 64 megabytes */ |
| 305 | #define xAMPRx_SS_128Mb 0x000000a0 /* - 128 megabytes */ |
| 306 | #define xAMPRx_SS_256Mb 0x000000b0 /* - 256 megabytes */ |
| 307 | #define xAMPRx_SS_512Mb 0x000000c0 /* - 512 megabytes */ |
| 308 | #define xAMPRx_RESERVED8 0x00000100 /* reserved bit */ |
| 309 | #define xAMPRx_NG 0x00000200 /* non-global */ |
| 310 | #define xAMPRx_L 0x00000400 /* locked */ |
| 311 | #define xAMPRx_M 0x00000800 /* modified */ |
| 312 | #define xAMPRx_D 0x00001000 /* DAT entry */ |
| 313 | #define xAMPRx_RESERVED13 0x00002000 /* reserved bit */ |
| 314 | #define xAMPRx_PPFN 0xfff00000 /* physical page frame number */ |
| 315 | |
| 316 | #define xAMPRx_V_BIT 0 |
| 317 | #define DAMPRx_WP_BIT 1 |
| 318 | #define xAMPRx_C_BIT 2 |
| 319 | #define xAMPRx_S_BIT 3 |
| 320 | #define xAMPRx_RESERVED8_BIT 8 |
| 321 | #define xAMPRx_NG_BIT 9 |
| 322 | #define xAMPRx_L_BIT 10 |
| 323 | #define xAMPRx_M_BIT 11 |
| 324 | #define xAMPRx_D_BIT 12 |
| 325 | #define xAMPRx_RESERVED13_BIT 13 |
| 326 | |
| 327 | #define __get_IAMPR(R) ({ unsigned long x; asm volatile("movsg iampr"#R",%0" : "=r"(x)); x; }) |
| 328 | #define __get_DAMPR(R) ({ unsigned long x; asm volatile("movsg dampr"#R",%0" : "=r"(x)); x; }) |
| 329 | |
| 330 | #define __get_IAMLR(R) ({ unsigned long x; asm volatile("movsg iamlr"#R",%0" : "=r"(x)); x; }) |
| 331 | #define __get_DAMLR(R) ({ unsigned long x; asm volatile("movsg damlr"#R",%0" : "=r"(x)); x; }) |
| 332 | |
| 333 | #define __set_IAMPR(R,V) do { asm volatile("movgs %0,iampr"#R : : "r"(V)); } while(0) |
| 334 | #define __set_DAMPR(R,V) do { asm volatile("movgs %0,dampr"#R : : "r"(V)); } while(0) |
| 335 | |
| 336 | #define __set_IAMLR(R,V) do { asm volatile("movgs %0,iamlr"#R : : "r"(V)); } while(0) |
| 337 | #define __set_DAMLR(R,V) do { asm volatile("movgs %0,damlr"#R : : "r"(V)); } while(0) |
| 338 | |
| 339 | #define save_dampr(R, _dampr) \ |
| 340 | do { \ |
| 341 | asm volatile("movsg dampr"R",%0" : "=r"(_dampr)); \ |
| 342 | } while(0) |
| 343 | |
| 344 | #define restore_dampr(R, _dampr) \ |
| 345 | do { \ |
| 346 | asm volatile("movgs %0,dampr"R :: "r"(_dampr)); \ |
| 347 | } while(0) |
| 348 | |
| 349 | /* |
| 350 | * AMCR - Address Mapping Control Register |
| 351 | */ |
| 352 | #define AMCR_IAMRN 0x000000ff /* quantity of IAMPR registers */ |
| 353 | #define AMCR_DAMRN 0x0000ff00 /* quantity of DAMPR registers */ |
| 354 | |
| 355 | /* |
| 356 | * TTBR - Address Translation Table Base Register |
| 357 | */ |
| 358 | #define __get_TTBR() ({ unsigned long x; asm volatile("movsg ttbr,%0" : "=r"(x)); x; }) |
| 359 | |
| 360 | /* |
| 361 | * TPXR - TLB Probe Extend Register |
| 362 | */ |
| 363 | #define TPXR_E 0x00000001 |
| 364 | #define TPXR_LMAX_SHIFT 20 |
| 365 | #define TPXR_LMAX_SMASK 0xf |
| 366 | #define TPXR_WMAX_SHIFT 24 |
| 367 | #define TPXR_WMAX_SMASK 0xf |
| 368 | #define TPXR_WAY_SHIFT 28 |
| 369 | #define TPXR_WAY_SMASK 0xf |
| 370 | |
| 371 | /* |
| 372 | * DCR - Debug Control Register |
| 373 | */ |
| 374 | #define DCR_IBCE3 0x00000001 /* break on conditional insn pointed to by IBAR3 */ |
| 375 | #define DCR_IBE3 0x00000002 /* break on insn pointed to by IBAR3 */ |
| 376 | #define DCR_IBCE1 0x00000004 /* break on conditional insn pointed to by IBAR2 */ |
| 377 | #define DCR_IBE1 0x00000008 /* break on insn pointed to by IBAR2 */ |
| 378 | #define DCR_IBCE2 0x00000010 /* break on conditional insn pointed to by IBAR1 */ |
| 379 | #define DCR_IBE2 0x00000020 /* break on insn pointed to by IBAR1 */ |
| 380 | #define DCR_IBCE0 0x00000040 /* break on conditional insn pointed to by IBAR0 */ |
| 381 | #define DCR_IBE0 0x00000080 /* break on insn pointed to by IBAR0 */ |
| 382 | |
| 383 | #define DCR_DDBE1 0x00004000 /* use DBDR1x when checking DBAR1 */ |
| 384 | #define DCR_DWBE1 0x00008000 /* break on store to address in DBAR1/DBMR1x */ |
| 385 | #define DCR_DRBE1 0x00010000 /* break on load from address in DBAR1/DBMR1x */ |
| 386 | #define DCR_DDBE0 0x00020000 /* use DBDR0x when checking DBAR0 */ |
| 387 | #define DCR_DWBE0 0x00040000 /* break on store to address in DBAR0/DBMR0x */ |
| 388 | #define DCR_DRBE0 0x00080000 /* break on load from address in DBAR0/DBMR0x */ |
| 389 | |
| 390 | #define DCR_EIM 0x0c000000 /* external interrupt disable */ |
| 391 | #define DCR_IBM 0x10000000 /* instruction break disable */ |
| 392 | #define DCR_SE 0x20000000 /* single step enable */ |
| 393 | #define DCR_EBE 0x40000000 /* exception break enable */ |
| 394 | |
| 395 | /* |
| 396 | * BRR - Break Interrupt Request Register |
| 397 | */ |
| 398 | #define BRR_ST 0x00000001 /* single-step detected */ |
| 399 | #define BRR_SB 0x00000002 /* break instruction detected */ |
| 400 | #define BRR_BB 0x00000004 /* branch with hint detected */ |
| 401 | #define BRR_CBB 0x00000008 /* branch to LR detected */ |
| 402 | #define BRR_IBx 0x000000f0 /* hardware breakpoint detected */ |
| 403 | #define BRR_DBx 0x00000f00 /* hardware watchpoint detected */ |
| 404 | #define BRR_DBNEx 0x0000f000 /* ? */ |
| 405 | #define BRR_EBTT 0x00ff0000 /* trap type of exception break */ |
| 406 | #define BRR_TB 0x10000000 /* external break request detected */ |
| 407 | #define BRR_CB 0x20000000 /* ICE break command detected */ |
| 408 | #define BRR_EB 0x40000000 /* exception break detected */ |
| 409 | |
| 410 | /* |
| 411 | * BPSR - Break PSR Save Register |
| 412 | */ |
| 413 | #define BPSR_BET 0x00000001 /* former PSR.ET */ |
| 414 | #define BPSR_BS 0x00001000 /* former PSR.S */ |
| 415 | |
| 416 | #endif /* _ASM_SPR_REGS_H */ |