1 /* 2 * Contains the definition of registers common to all PowerPC variants. 3 * If a register definition has been changed in a different PowerPC 4 * variant, we will case it in #ifndef XXX ... #endif, and have the 5 * number used in the Programming Environments Manual For 32-Bit 6 * Implementations of the PowerPC Architecture (a.k.a. Green Book) here. 7 */ 8 9 #ifndef _ASM_POWERPC_REG_H 10 #define _ASM_POWERPC_REG_H 11 #ifdef __KERNEL__ 12 13 #include <linux/stringify.h> 14 #include <asm/cputable.h> 15 16 /* Pickup Book E specific registers. */ 17 #if defined(CONFIG_BOOKE) || defined(CONFIG_40x) 18 #include <asm/reg_booke.h> 19 #endif /* CONFIG_BOOKE || CONFIG_40x */ 20 21 #ifdef CONFIG_FSL_EMB_PERFMON 22 #include <asm/reg_fsl_emb.h> 23 #endif 24 25 #ifdef CONFIG_PPC_8xx 26 #include <asm/reg_8xx.h> 27 #endif /* CONFIG_PPC_8xx */ 28 29 #define MSR_SF_LG 63 /* Enable 64 bit mode */ 30 #define MSR_ISF_LG 61 /* Interrupt 64b mode valid on 630 */ 31 #define MSR_HV_LG 60 /* Hypervisor state */ 32 #define MSR_TS_T_LG 34 /* Trans Mem state: Transactional */ 33 #define MSR_TS_S_LG 33 /* Trans Mem state: Suspended */ 34 #define MSR_TS_LG 33 /* Trans Mem state (2 bits) */ 35 #define MSR_TM_LG 32 /* Trans Mem Available */ 36 #define MSR_VEC_LG 25 /* Enable AltiVec */ 37 #define MSR_VSX_LG 23 /* Enable VSX */ 38 #define MSR_POW_LG 18 /* Enable Power Management */ 39 #define MSR_WE_LG 18 /* Wait State Enable */ 40 #define MSR_TGPR_LG 17 /* TLB Update registers in use */ 41 #define MSR_CE_LG 17 /* Critical Interrupt Enable */ 42 #define MSR_ILE_LG 16 /* Interrupt Little Endian */ 43 #define MSR_EE_LG 15 /* External Interrupt Enable */ 44 #define MSR_PR_LG 14 /* Problem State / Privilege Level */ 45 #define MSR_FP_LG 13 /* Floating Point enable */ 46 #define MSR_ME_LG 12 /* Machine Check Enable */ 47 #define MSR_FE0_LG 11 /* Floating Exception mode 0 */ 48 #define MSR_SE_LG 10 /* Single Step */ 49 #define MSR_BE_LG 9 /* Branch Trace */ 50 #define MSR_DE_LG 9 /* Debug Exception Enable */ 51 #define MSR_FE1_LG 8 /* Floating Exception mode 1 */ 52 #define MSR_IP_LG 6 /* Exception prefix 0x000/0xFFF */ 53 #define MSR_IR_LG 5 /* Instruction Relocate */ 54 #define MSR_DR_LG 4 /* Data Relocate */ 55 #define MSR_PE_LG 3 /* Protection Enable */ 56 #define MSR_PX_LG 2 /* Protection Exclusive Mode */ 57 #define MSR_PMM_LG 2 /* Performance monitor */ 58 #define MSR_RI_LG 1 /* Recoverable Exception */ 59 #define MSR_LE_LG 0 /* Little Endian */ 60 61 #ifdef __ASSEMBLY__ 62 #define __MASK(X) (1<<(X)) 63 #else 64 #define __MASK(X) (1UL<<(X)) 65 #endif 66 67 #ifdef CONFIG_PPC64 68 #define MSR_SF __MASK(MSR_SF_LG) /* Enable 64 bit mode */ 69 #define MSR_ISF __MASK(MSR_ISF_LG) /* Interrupt 64b mode valid on 630 */ 70 #define MSR_HV __MASK(MSR_HV_LG) /* Hypervisor state */ 71 #else 72 /* so tests for these bits fail on 32-bit */ 73 #define MSR_SF 0 74 #define MSR_ISF 0 75 #define MSR_HV 0 76 #endif 77 78 /* 79 * To be used in shared book E/book S, this avoids needing to worry about 80 * book S/book E in shared code 81 */ 82 #ifndef MSR_SPE 83 #define MSR_SPE 0 84 #endif 85 86 #define MSR_VEC __MASK(MSR_VEC_LG) /* Enable AltiVec */ 87 #define MSR_VSX __MASK(MSR_VSX_LG) /* Enable VSX */ 88 #define MSR_POW __MASK(MSR_POW_LG) /* Enable Power Management */ 89 #define MSR_WE __MASK(MSR_WE_LG) /* Wait State Enable */ 90 #define MSR_TGPR __MASK(MSR_TGPR_LG) /* TLB Update registers in use */ 91 #define MSR_CE __MASK(MSR_CE_LG) /* Critical Interrupt Enable */ 92 #define MSR_ILE __MASK(MSR_ILE_LG) /* Interrupt Little Endian */ 93 #define MSR_EE __MASK(MSR_EE_LG) /* External Interrupt Enable */ 94 #define MSR_PR __MASK(MSR_PR_LG) /* Problem State / Privilege Level */ 95 #define MSR_FP __MASK(MSR_FP_LG) /* Floating Point enable */ 96 #define MSR_ME __MASK(MSR_ME_LG) /* Machine Check Enable */ 97 #define MSR_FE0 __MASK(MSR_FE0_LG) /* Floating Exception mode 0 */ 98 #define MSR_SE __MASK(MSR_SE_LG) /* Single Step */ 99 #define MSR_BE __MASK(MSR_BE_LG) /* Branch Trace */ 100 #define MSR_DE __MASK(MSR_DE_LG) /* Debug Exception Enable */ 101 #define MSR_FE1 __MASK(MSR_FE1_LG) /* Floating Exception mode 1 */ 102 #define MSR_IP __MASK(MSR_IP_LG) /* Exception prefix 0x000/0xFFF */ 103 #define MSR_IR __MASK(MSR_IR_LG) /* Instruction Relocate */ 104 #define MSR_DR __MASK(MSR_DR_LG) /* Data Relocate */ 105 #define MSR_PE __MASK(MSR_PE_LG) /* Protection Enable */ 106 #define MSR_PX __MASK(MSR_PX_LG) /* Protection Exclusive Mode */ 107 #ifndef MSR_PMM 108 #define MSR_PMM __MASK(MSR_PMM_LG) /* Performance monitor */ 109 #endif 110 #define MSR_RI __MASK(MSR_RI_LG) /* Recoverable Exception */ 111 #define MSR_LE __MASK(MSR_LE_LG) /* Little Endian */ 112 113 #define MSR_TM __MASK(MSR_TM_LG) /* Transactional Mem Available */ 114 #define MSR_TS_N 0 /* Non-transactional */ 115 #define MSR_TS_S __MASK(MSR_TS_S_LG) /* Transaction Suspended */ 116 #define MSR_TS_T __MASK(MSR_TS_T_LG) /* Transaction Transactional */ 117 #define MSR_TS_MASK (MSR_TS_T | MSR_TS_S) /* Transaction State bits */ 118 #define MSR_TM_ACTIVE(x) (((x) & MSR_TS_MASK) != 0) /* Transaction active? */ 119 #define MSR_TM_RESV(x) (((x) & MSR_TS_MASK) == MSR_TS_MASK) /* Reserved */ 120 #define MSR_TM_TRANSACTIONAL(x) (((x) & MSR_TS_MASK) == MSR_TS_T) 121 #define MSR_TM_SUSPENDED(x) (((x) & MSR_TS_MASK) == MSR_TS_S) 122 123 #if defined(CONFIG_PPC_BOOK3S_64) 124 #define MSR_64BIT MSR_SF 125 126 /* Server variant */ 127 #define __MSR (MSR_ME | MSR_RI | MSR_IR | MSR_DR | MSR_ISF |MSR_HV) 128 #ifdef __BIG_ENDIAN__ 129 #define MSR_ __MSR 130 #define MSR_IDLE (MSR_ME | MSR_SF | MSR_HV) 131 #else 132 #define MSR_ (__MSR | MSR_LE) 133 #define MSR_IDLE (MSR_ME | MSR_SF | MSR_HV | MSR_LE) 134 #endif 135 #define MSR_KERNEL (MSR_ | MSR_64BIT) 136 #define MSR_USER32 (MSR_ | MSR_PR | MSR_EE) 137 #define MSR_USER64 (MSR_USER32 | MSR_64BIT) 138 #elif defined(CONFIG_PPC_BOOK3S_32) || defined(CONFIG_PPC_8xx) 139 /* Default MSR for kernel mode. */ 140 #define MSR_KERNEL (MSR_ME|MSR_RI|MSR_IR|MSR_DR) 141 #define MSR_USER (MSR_KERNEL|MSR_PR|MSR_EE) 142 #endif 143 144 #ifndef MSR_64BIT 145 #define MSR_64BIT 0 146 #endif 147 148 /* Power Management - Processor Stop Status and Control Register Fields */ 149 #define PSSCR_RL_MASK 0x0000000F /* Requested Level */ 150 #define PSSCR_MTL_MASK 0x000000F0 /* Maximum Transition Level */ 151 #define PSSCR_TR_MASK 0x00000300 /* Transition State */ 152 #define PSSCR_PSLL_MASK 0x000F0000 /* Power-Saving Level Limit */ 153 #define PSSCR_EC 0x00100000 /* Exit Criterion */ 154 #define PSSCR_ESL 0x00200000 /* Enable State Loss */ 155 #define PSSCR_SD 0x00400000 /* Status Disable */ 156 #define PSSCR_PLS 0xf000000000000000 /* Power-saving Level Status */ 157 #define PSSCR_GUEST_VIS 0xf0000000000003ff /* Guest-visible PSSCR fields */ 158 159 /* Floating Point Status and Control Register (FPSCR) Fields */ 160 #define FPSCR_FX 0x80000000 /* FPU exception summary */ 161 #define FPSCR_FEX 0x40000000 /* FPU enabled exception summary */ 162 #define FPSCR_VX 0x20000000 /* Invalid operation summary */ 163 #define FPSCR_OX 0x10000000 /* Overflow exception summary */ 164 #define FPSCR_UX 0x08000000 /* Underflow exception summary */ 165 #define FPSCR_ZX 0x04000000 /* Zero-divide exception summary */ 166 #define FPSCR_XX 0x02000000 /* Inexact exception summary */ 167 #define FPSCR_VXSNAN 0x01000000 /* Invalid op for SNaN */ 168 #define FPSCR_VXISI 0x00800000 /* Invalid op for Inv - Inv */ 169 #define FPSCR_VXIDI 0x00400000 /* Invalid op for Inv / Inv */ 170 #define FPSCR_VXZDZ 0x00200000 /* Invalid op for Zero / Zero */ 171 #define FPSCR_VXIMZ 0x00100000 /* Invalid op for Inv * Zero */ 172 #define FPSCR_VXVC 0x00080000 /* Invalid op for Compare */ 173 #define FPSCR_FR 0x00040000 /* Fraction rounded */ 174 #define FPSCR_FI 0x00020000 /* Fraction inexact */ 175 #define FPSCR_FPRF 0x0001f000 /* FPU Result Flags */ 176 #define FPSCR_FPCC 0x0000f000 /* FPU Condition Codes */ 177 #define FPSCR_VXSOFT 0x00000400 /* Invalid op for software request */ 178 #define FPSCR_VXSQRT 0x00000200 /* Invalid op for square root */ 179 #define FPSCR_VXCVI 0x00000100 /* Invalid op for integer convert */ 180 #define FPSCR_VE 0x00000080 /* Invalid op exception enable */ 181 #define FPSCR_OE 0x00000040 /* IEEE overflow exception enable */ 182 #define FPSCR_UE 0x00000020 /* IEEE underflow exception enable */ 183 #define FPSCR_ZE 0x00000010 /* IEEE zero divide exception enable */ 184 #define FPSCR_XE 0x00000008 /* FP inexact exception enable */ 185 #define FPSCR_NI 0x00000004 /* FPU non IEEE-Mode */ 186 #define FPSCR_RN 0x00000003 /* FPU rounding control */ 187 188 /* Bit definitions for SPEFSCR. */ 189 #define SPEFSCR_SOVH 0x80000000 /* Summary integer overflow high */ 190 #define SPEFSCR_OVH 0x40000000 /* Integer overflow high */ 191 #define SPEFSCR_FGH 0x20000000 /* Embedded FP guard bit high */ 192 #define SPEFSCR_FXH 0x10000000 /* Embedded FP sticky bit high */ 193 #define SPEFSCR_FINVH 0x08000000 /* Embedded FP invalid operation high */ 194 #define SPEFSCR_FDBZH 0x04000000 /* Embedded FP div by zero high */ 195 #define SPEFSCR_FUNFH 0x02000000 /* Embedded FP underflow high */ 196 #define SPEFSCR_FOVFH 0x01000000 /* Embedded FP overflow high */ 197 #define SPEFSCR_FINXS 0x00200000 /* Embedded FP inexact sticky */ 198 #define SPEFSCR_FINVS 0x00100000 /* Embedded FP invalid op. sticky */ 199 #define SPEFSCR_FDBZS 0x00080000 /* Embedded FP div by zero sticky */ 200 #define SPEFSCR_FUNFS 0x00040000 /* Embedded FP underflow sticky */ 201 #define SPEFSCR_FOVFS 0x00020000 /* Embedded FP overflow sticky */ 202 #define SPEFSCR_MODE 0x00010000 /* Embedded FP mode */ 203 #define SPEFSCR_SOV 0x00008000 /* Integer summary overflow */ 204 #define SPEFSCR_OV 0x00004000 /* Integer overflow */ 205 #define SPEFSCR_FG 0x00002000 /* Embedded FP guard bit */ 206 #define SPEFSCR_FX 0x00001000 /* Embedded FP sticky bit */ 207 #define SPEFSCR_FINV 0x00000800 /* Embedded FP invalid operation */ 208 #define SPEFSCR_FDBZ 0x00000400 /* Embedded FP div by zero */ 209 #define SPEFSCR_FUNF 0x00000200 /* Embedded FP underflow */ 210 #define SPEFSCR_FOVF 0x00000100 /* Embedded FP overflow */ 211 #define SPEFSCR_FINXE 0x00000040 /* Embedded FP inexact enable */ 212 #define SPEFSCR_FINVE 0x00000020 /* Embedded FP invalid op. enable */ 213 #define SPEFSCR_FDBZE 0x00000010 /* Embedded FP div by zero enable */ 214 #define SPEFSCR_FUNFE 0x00000008 /* Embedded FP underflow enable */ 215 #define SPEFSCR_FOVFE 0x00000004 /* Embedded FP overflow enable */ 216 #define SPEFSCR_FRMC 0x00000003 /* Embedded FP rounding mode control */ 217 218 /* Special Purpose Registers (SPRNs)*/ 219 220 #ifdef CONFIG_40x 221 #define SPRN_PID 0x3B1 /* Process ID */ 222 #else 223 #define SPRN_PID 0x030 /* Process ID */ 224 #ifdef CONFIG_BOOKE 225 #define SPRN_PID0 SPRN_PID/* Process ID Register 0 */ 226 #endif 227 #endif 228 229 #define SPRN_CTR 0x009 /* Count Register */ 230 #define SPRN_DSCR 0x11 231 #define SPRN_CFAR 0x1c /* Come From Address Register */ 232 #define SPRN_AMR 0x1d /* Authority Mask Register */ 233 #define SPRN_UAMOR 0x9d /* User Authority Mask Override Register */ 234 #define SPRN_AMOR 0x15d /* Authority Mask Override Register */ 235 #define SPRN_ACOP 0x1F /* Available Coprocessor Register */ 236 #define SPRN_TFIAR 0x81 /* Transaction Failure Inst Addr */ 237 #define SPRN_TEXASR 0x82 /* Transaction EXception & Summary */ 238 #define SPRN_TEXASRU 0x83 /* '' '' '' Upper 32 */ 239 #define TEXASR_FS __MASK(63-36) /* TEXASR Failure Summary */ 240 #define SPRN_TFHAR 0x80 /* Transaction Failure Handler Addr */ 241 #define SPRN_TIDR 144 /* Thread ID register */ 242 #define SPRN_CTRLF 0x088 243 #define SPRN_CTRLT 0x098 244 #define CTRL_CT 0xc0000000 /* current thread */ 245 #define CTRL_CT0 0x80000000 /* thread 0 */ 246 #define CTRL_CT1 0x40000000 /* thread 1 */ 247 #define CTRL_TE 0x00c00000 /* thread enable */ 248 #define CTRL_RUNLATCH 0x1 249 #define SPRN_DAWR 0xB4 250 #define SPRN_RPR 0xBA /* Relative Priority Register */ 251 #define SPRN_CIABR 0xBB 252 #define CIABR_PRIV 0x3 253 #define CIABR_PRIV_USER 1 254 #define CIABR_PRIV_SUPER 2 255 #define CIABR_PRIV_HYPER 3 256 #define SPRN_DAWRX 0xBC 257 #define DAWRX_USER __MASK(0) 258 #define DAWRX_KERNEL __MASK(1) 259 #define DAWRX_HYP __MASK(2) 260 #define DAWRX_WTI __MASK(3) 261 #define DAWRX_WT __MASK(4) 262 #define DAWRX_DR __MASK(5) 263 #define DAWRX_DW __MASK(6) 264 #define SPRN_DABR 0x3F5 /* Data Address Breakpoint Register */ 265 #define SPRN_DABR2 0x13D /* e300 */ 266 #define SPRN_DABRX 0x3F7 /* Data Address Breakpoint Register Extension */ 267 #define DABRX_USER __MASK(0) 268 #define DABRX_KERNEL __MASK(1) 269 #define DABRX_HYP __MASK(2) 270 #define DABRX_BTI __MASK(3) 271 #define DABRX_ALL (DABRX_BTI | DABRX_HYP | DABRX_KERNEL | DABRX_USER) 272 #define SPRN_DAR 0x013 /* Data Address Register */ 273 #define SPRN_DBCR 0x136 /* e300 Data Breakpoint Control Reg */ 274 #define SPRN_DSISR 0x012 /* Data Storage Interrupt Status Register */ 275 #define DSISR_BAD_DIRECT_ST 0x80000000 /* Obsolete: Direct store error */ 276 #define DSISR_NOHPTE 0x40000000 /* no translation found */ 277 #define DSISR_ATTR_CONFLICT 0x20000000 /* P9: Process vs. Partition attr */ 278 #define DSISR_NOEXEC_OR_G 0x10000000 /* Alias of SRR1 bit, see below */ 279 #define DSISR_PROTFAULT 0x08000000 /* protection fault */ 280 #define DSISR_BADACCESS 0x04000000 /* bad access to CI or G */ 281 #define DSISR_ISSTORE 0x02000000 /* access was a store */ 282 #define DSISR_DABRMATCH 0x00400000 /* hit data breakpoint */ 283 #define DSISR_NOSEGMENT 0x00200000 /* STAB miss (unsupported) */ 284 #define DSISR_KEYFAULT 0x00200000 /* Storage Key fault */ 285 #define DSISR_BAD_EXT_CTRL 0x00100000 /* Obsolete: External ctrl error */ 286 #define DSISR_UNSUPP_MMU 0x00080000 /* P9: Unsupported MMU config */ 287 #define DSISR_SET_RC 0x00040000 /* P9: Failed setting of R/C bits */ 288 #define DSISR_PRTABLE_FAULT 0x00020000 /* P9: Fault on process table */ 289 #define DSISR_ICSWX_NO_CT 0x00004000 /* P7: icswx unavailable cp type */ 290 #define DSISR_BAD_COPYPASTE 0x00000008 /* P9: Copy/Paste on wrong memtype */ 291 #define DSISR_BAD_AMO 0x00000004 /* P9: Incorrect AMO opcode */ 292 #define DSISR_BAD_CI_LDST 0x00000002 /* P8: Bad HV CI load/store */ 293 294 /* 295 * DSISR_NOEXEC_OR_G doesn't actually exist. This bit is always 296 * 0 on DSIs. However, on ISIs, the corresponding bit in SRR1 297 * indicates an attempt at executing from a no-execute PTE 298 * or segment or from a guarded page. 299 * 300 * We add a definition here for completeness as we alias 301 * DSISR and SRR1 in do_page_fault. 302 */ 303 304 /* 305 * DSISR bits that are treated as a fault. Any bit set 306 * here will skip hash_page, and cause do_page_fault to 307 * trigger a SIGBUS or SIGSEGV: 308 */ 309 #define DSISR_BAD_FAULT_32S (DSISR_BAD_DIRECT_ST | \ 310 DSISR_BADACCESS | \ 311 DSISR_BAD_EXT_CTRL) 312 #define DSISR_BAD_FAULT_64S (DSISR_BAD_FAULT_32S | \ 313 DSISR_ATTR_CONFLICT | \ 314 DSISR_KEYFAULT | \ 315 DSISR_UNSUPP_MMU | \ 316 DSISR_PRTABLE_FAULT | \ 317 DSISR_ICSWX_NO_CT | \ 318 DSISR_BAD_COPYPASTE | \ 319 DSISR_BAD_AMO | \ 320 DSISR_BAD_CI_LDST) 321 /* 322 * These bits are equivalent in SRR1 and DSISR for 0x400 323 * instruction access interrupts on Book3S 324 */ 325 #define DSISR_SRR1_MATCH_32S (DSISR_NOHPTE | \ 326 DSISR_NOEXEC_OR_G | \ 327 DSISR_PROTFAULT) 328 #define DSISR_SRR1_MATCH_64S (DSISR_SRR1_MATCH_32S | \ 329 DSISR_KEYFAULT | \ 330 DSISR_UNSUPP_MMU | \ 331 DSISR_SET_RC | \ 332 DSISR_PRTABLE_FAULT) 333 334 #define SPRN_TBRL 0x10C /* Time Base Read Lower Register (user, R/O) */ 335 #define SPRN_TBRU 0x10D /* Time Base Read Upper Register (user, R/O) */ 336 #define SPRN_CIR 0x11B /* Chip Information Register (hyper, R/0) */ 337 #define SPRN_TBWL 0x11C /* Time Base Lower Register (super, R/W) */ 338 #define SPRN_TBWU 0x11D /* Time Base Upper Register (super, R/W) */ 339 #define SPRN_TBU40 0x11E /* Timebase upper 40 bits (hyper, R/W) */ 340 #define SPRN_SPURR 0x134 /* Scaled PURR */ 341 #define SPRN_HSPRG0 0x130 /* Hypervisor Scratch 0 */ 342 #define SPRN_HSPRG1 0x131 /* Hypervisor Scratch 1 */ 343 #define SPRN_HDSISR 0x132 344 #define SPRN_HDAR 0x133 345 #define SPRN_HDEC 0x136 /* Hypervisor Decrementer */ 346 #define SPRN_HIOR 0x137 /* 970 Hypervisor interrupt offset */ 347 #define SPRN_RMOR 0x138 /* Real mode offset register */ 348 #define SPRN_HRMOR 0x139 /* Real mode offset register */ 349 #define SPRN_HSRR0 0x13A /* Hypervisor Save/Restore 0 */ 350 #define SPRN_HSRR1 0x13B /* Hypervisor Save/Restore 1 */ 351 #define SPRN_ASDR 0x330 /* Access segment descriptor register */ 352 #define SPRN_IC 0x350 /* Virtual Instruction Count */ 353 #define SPRN_VTB 0x351 /* Virtual Time Base */ 354 #define SPRN_LDBAR 0x352 /* LD Base Address Register */ 355 #define SPRN_PMICR 0x354 /* Power Management Idle Control Reg */ 356 #define SPRN_PMSR 0x355 /* Power Management Status Reg */ 357 #define SPRN_PMMAR 0x356 /* Power Management Memory Activity Register */ 358 #define SPRN_PSSCR 0x357 /* Processor Stop Status and Control Register (ISA 3.0) */ 359 #define SPRN_PSSCR_PR 0x337 /* PSSCR ISA 3.0, privileged mode access */ 360 #define SPRN_PMCR 0x374 /* Power Management Control Register */ 361 362 /* HFSCR and FSCR bit numbers are the same */ 363 #define FSCR_SCV_LG 12 /* Enable System Call Vectored */ 364 #define FSCR_MSGP_LG 10 /* Enable MSGP */ 365 #define FSCR_TAR_LG 8 /* Enable Target Address Register */ 366 #define FSCR_EBB_LG 7 /* Enable Event Based Branching */ 367 #define FSCR_TM_LG 5 /* Enable Transactional Memory */ 368 #define FSCR_BHRB_LG 4 /* Enable Branch History Rolling Buffer*/ 369 #define FSCR_PM_LG 3 /* Enable prob/priv access to PMU SPRs */ 370 #define FSCR_DSCR_LG 2 /* Enable Data Stream Control Register */ 371 #define FSCR_VECVSX_LG 1 /* Enable VMX/VSX */ 372 #define FSCR_FP_LG 0 /* Enable Floating Point */ 373 #define SPRN_FSCR 0x099 /* Facility Status & Control Register */ 374 #define FSCR_SCV __MASK(FSCR_SCV_LG) 375 #define FSCR_TAR __MASK(FSCR_TAR_LG) 376 #define FSCR_EBB __MASK(FSCR_EBB_LG) 377 #define FSCR_DSCR __MASK(FSCR_DSCR_LG) 378 #define SPRN_HFSCR 0xbe /* HV=1 Facility Status & Control Register */ 379 #define HFSCR_MSGP __MASK(FSCR_MSGP_LG) 380 #define HFSCR_TAR __MASK(FSCR_TAR_LG) 381 #define HFSCR_EBB __MASK(FSCR_EBB_LG) 382 #define HFSCR_TM __MASK(FSCR_TM_LG) 383 #define HFSCR_PM __MASK(FSCR_PM_LG) 384 #define HFSCR_BHRB __MASK(FSCR_BHRB_LG) 385 #define HFSCR_DSCR __MASK(FSCR_DSCR_LG) 386 #define HFSCR_VECVSX __MASK(FSCR_VECVSX_LG) 387 #define HFSCR_FP __MASK(FSCR_FP_LG) 388 #define SPRN_TAR 0x32f /* Target Address Register */ 389 #define SPRN_LPCR 0x13E /* LPAR Control Register */ 390 #define LPCR_VPM0 ASM_CONST(0x8000000000000000) 391 #define LPCR_VPM1 ASM_CONST(0x4000000000000000) 392 #define LPCR_ISL ASM_CONST(0x2000000000000000) 393 #define LPCR_VC_SH 61 394 #define LPCR_DPFD_SH 52 395 #define LPCR_DPFD (ASM_CONST(7) << LPCR_DPFD_SH) 396 #define LPCR_VRMASD_SH 47 397 #define LPCR_VRMASD (ASM_CONST(0x1f) << LPCR_VRMASD_SH) 398 #define LPCR_VRMA_L ASM_CONST(0x0008000000000000) 399 #define LPCR_VRMA_LP0 ASM_CONST(0x0001000000000000) 400 #define LPCR_VRMA_LP1 ASM_CONST(0x0000800000000000) 401 #define LPCR_RMLS 0x1C000000 /* Implementation dependent RMO limit sel */ 402 #define LPCR_RMLS_SH 26 403 #define LPCR_ILE ASM_CONST(0x0000000002000000) /* !HV irqs set MSR:LE */ 404 #define LPCR_AIL ASM_CONST(0x0000000001800000) /* Alternate interrupt location */ 405 #define LPCR_AIL_0 ASM_CONST(0x0000000000000000) /* MMU off exception offset 0x0 */ 406 #define LPCR_AIL_3 ASM_CONST(0x0000000001800000) /* MMU on exception offset 0xc00...4xxx */ 407 #define LPCR_ONL ASM_CONST(0x0000000000040000) /* online - PURR/SPURR count */ 408 #define LPCR_LD ASM_CONST(0x0000000000020000) /* large decremeter */ 409 #define LPCR_PECE ASM_CONST(0x000000000001f000) /* powersave exit cause enable */ 410 #define LPCR_PECEDP ASM_CONST(0x0000000000010000) /* directed priv dbells cause exit */ 411 #define LPCR_PECEDH ASM_CONST(0x0000000000008000) /* directed hyp dbells cause exit */ 412 #define LPCR_PECE0 ASM_CONST(0x0000000000004000) /* ext. exceptions can cause exit */ 413 #define LPCR_PECE1 ASM_CONST(0x0000000000002000) /* decrementer can cause exit */ 414 #define LPCR_PECE2 ASM_CONST(0x0000000000001000) /* machine check etc can cause exit */ 415 #define LPCR_PECE_HVEE ASM_CONST(0x0000400000000000) /* P9 Wakeup on HV interrupts */ 416 #define LPCR_MER ASM_CONST(0x0000000000000800) /* Mediated External Exception */ 417 #define LPCR_MER_SH 11 418 #define LPCR_GTSE ASM_CONST(0x0000000000000400) /* Guest Translation Shootdown Enable */ 419 #define LPCR_TC ASM_CONST(0x0000000000000200) /* Translation control */ 420 #define LPCR_HEIC ASM_CONST(0x0000000000000010) /* Hypervisor External Interrupt Control */ 421 #define LPCR_LPES 0x0000000c 422 #define LPCR_LPES0 ASM_CONST(0x0000000000000008) /* LPAR Env selector 0 */ 423 #define LPCR_LPES1 ASM_CONST(0x0000000000000004) /* LPAR Env selector 1 */ 424 #define LPCR_LPES_SH 2 425 #define LPCR_RMI ASM_CONST(0x0000000000000002) /* real mode is cache inhibit */ 426 #define LPCR_HVICE ASM_CONST(0x0000000000000002) /* P9: HV interrupt enable */ 427 #define LPCR_HDICE ASM_CONST(0x0000000000000001) /* Hyp Decr enable (HV,PR,EE) */ 428 #define LPCR_UPRT ASM_CONST(0x0000000000400000) /* Use Process Table (ISA 3) */ 429 #define LPCR_HR ASM_CONST(0x0000000000100000) 430 #ifndef SPRN_LPID 431 #define SPRN_LPID 0x13F /* Logical Partition Identifier */ 432 #endif 433 #define LPID_RSVD 0x3ff /* Reserved LPID for partn switching */ 434 #define SPRN_HMER 0x150 /* Hardware m? error recovery */ 435 #define SPRN_HMEER 0x151 /* Hardware m? enable error recovery */ 436 #define SPRN_PCR 0x152 /* Processor compatibility register */ 437 #define PCR_VEC_DIS (1ul << (63-0)) /* Vec. disable (bit NA since POWER8) */ 438 #define PCR_VSX_DIS (1ul << (63-1)) /* VSX disable (bit NA since POWER8) */ 439 #define PCR_TM_DIS (1ul << (63-2)) /* Trans. memory disable (POWER8) */ 440 /* 441 * These bits are used in the function kvmppc_set_arch_compat() to specify and 442 * determine both the compatibility level which we want to emulate and the 443 * compatibility level which the host is capable of emulating. 444 */ 445 #define PCR_ARCH_207 0x8 /* Architecture 2.07 */ 446 #define PCR_ARCH_206 0x4 /* Architecture 2.06 */ 447 #define PCR_ARCH_205 0x2 /* Architecture 2.05 */ 448 #define SPRN_HEIR 0x153 /* Hypervisor Emulated Instruction Register */ 449 #define SPRN_TLBINDEXR 0x154 /* P7 TLB control register */ 450 #define SPRN_TLBVPNR 0x155 /* P7 TLB control register */ 451 #define SPRN_TLBRPNR 0x156 /* P7 TLB control register */ 452 #define SPRN_TLBLPIDR 0x157 /* P7 TLB control register */ 453 #define SPRN_DBAT0L 0x219 /* Data BAT 0 Lower Register */ 454 #define SPRN_DBAT0U 0x218 /* Data BAT 0 Upper Register */ 455 #define SPRN_DBAT1L 0x21B /* Data BAT 1 Lower Register */ 456 #define SPRN_DBAT1U 0x21A /* Data BAT 1 Upper Register */ 457 #define SPRN_DBAT2L 0x21D /* Data BAT 2 Lower Register */ 458 #define SPRN_DBAT2U 0x21C /* Data BAT 2 Upper Register */ 459 #define SPRN_DBAT3L 0x21F /* Data BAT 3 Lower Register */ 460 #define SPRN_DBAT3U 0x21E /* Data BAT 3 Upper Register */ 461 #define SPRN_DBAT4L 0x239 /* Data BAT 4 Lower Register */ 462 #define SPRN_DBAT4U 0x238 /* Data BAT 4 Upper Register */ 463 #define SPRN_DBAT5L 0x23B /* Data BAT 5 Lower Register */ 464 #define SPRN_DBAT5U 0x23A /* Data BAT 5 Upper Register */ 465 #define SPRN_DBAT6L 0x23D /* Data BAT 6 Lower Register */ 466 #define SPRN_DBAT6U 0x23C /* Data BAT 6 Upper Register */ 467 #define SPRN_DBAT7L 0x23F /* Data BAT 7 Lower Register */ 468 #define SPRN_DBAT7U 0x23E /* Data BAT 7 Upper Register */ 469 #define SPRN_PPR 0x380 /* SMT Thread status Register */ 470 #define SPRN_TSCR 0x399 /* Thread Switch Control Register */ 471 472 #define SPRN_DEC 0x016 /* Decrement Register */ 473 #define SPRN_DER 0x095 /* Debug Enable Register */ 474 #define DER_RSTE 0x40000000 /* Reset Interrupt */ 475 #define DER_CHSTPE 0x20000000 /* Check Stop */ 476 #define DER_MCIE 0x10000000 /* Machine Check Interrupt */ 477 #define DER_EXTIE 0x02000000 /* External Interrupt */ 478 #define DER_ALIE 0x01000000 /* Alignment Interrupt */ 479 #define DER_PRIE 0x00800000 /* Program Interrupt */ 480 #define DER_FPUVIE 0x00400000 /* FP Unavailable Interrupt */ 481 #define DER_DECIE 0x00200000 /* Decrementer Interrupt */ 482 #define DER_SYSIE 0x00040000 /* System Call Interrupt */ 483 #define DER_TRE 0x00020000 /* Trace Interrupt */ 484 #define DER_SEIE 0x00004000 /* FP SW Emulation Interrupt */ 485 #define DER_ITLBMSE 0x00002000 /* Imp. Spec. Instruction TLB Miss */ 486 #define DER_ITLBERE 0x00001000 /* Imp. Spec. Instruction TLB Error */ 487 #define DER_DTLBMSE 0x00000800 /* Imp. Spec. Data TLB Miss */ 488 #define DER_DTLBERE 0x00000400 /* Imp. Spec. Data TLB Error */ 489 #define DER_LBRKE 0x00000008 /* Load/Store Breakpoint Interrupt */ 490 #define DER_IBRKE 0x00000004 /* Instruction Breakpoint Interrupt */ 491 #define DER_EBRKE 0x00000002 /* External Breakpoint Interrupt */ 492 #define DER_DPIE 0x00000001 /* Dev. Port Nonmaskable Request */ 493 #define SPRN_DMISS 0x3D0 /* Data TLB Miss Register */ 494 #define SPRN_DHDES 0x0B1 /* Directed Hyp. Doorbell Exc. State */ 495 #define SPRN_DPDES 0x0B0 /* Directed Priv. Doorbell Exc. State */ 496 #define SPRN_EAR 0x11A /* External Address Register */ 497 #define SPRN_HASH1 0x3D2 /* Primary Hash Address Register */ 498 #define SPRN_HASH2 0x3D3 /* Secondary Hash Address Register */ 499 #define SPRN_HID0 0x3F0 /* Hardware Implementation Register 0 */ 500 #define HID0_HDICE_SH (63 - 23) /* 970 HDEC interrupt enable */ 501 #define HID0_EMCP (1<<31) /* Enable Machine Check pin */ 502 #define HID0_EBA (1<<29) /* Enable Bus Address Parity */ 503 #define HID0_EBD (1<<28) /* Enable Bus Data Parity */ 504 #define HID0_SBCLK (1<<27) 505 #define HID0_EICE (1<<26) 506 #define HID0_TBEN (1<<26) /* Timebase enable - 745x */ 507 #define HID0_ECLK (1<<25) 508 #define HID0_PAR (1<<24) 509 #define HID0_STEN (1<<24) /* Software table search enable - 745x */ 510 #define HID0_HIGH_BAT (1<<23) /* Enable high BATs - 7455 */ 511 #define HID0_DOZE (1<<23) 512 #define HID0_NAP (1<<22) 513 #define HID0_SLEEP (1<<21) 514 #define HID0_DPM (1<<20) 515 #define HID0_BHTCLR (1<<18) /* Clear branch history table - 7450 */ 516 #define HID0_XAEN (1<<17) /* Extended addressing enable - 7450 */ 517 #define HID0_NHR (1<<16) /* Not hard reset (software bit-7450)*/ 518 #define HID0_ICE (1<<15) /* Instruction Cache Enable */ 519 #define HID0_DCE (1<<14) /* Data Cache Enable */ 520 #define HID0_ILOCK (1<<13) /* Instruction Cache Lock */ 521 #define HID0_DLOCK (1<<12) /* Data Cache Lock */ 522 #define HID0_ICFI (1<<11) /* Instr. Cache Flash Invalidate */ 523 #define HID0_DCI (1<<10) /* Data Cache Invalidate */ 524 #define HID0_SPD (1<<9) /* Speculative disable */ 525 #define HID0_DAPUEN (1<<8) /* Debug APU enable */ 526 #define HID0_SGE (1<<7) /* Store Gathering Enable */ 527 #define HID0_SIED (1<<7) /* Serial Instr. Execution [Disable] */ 528 #define HID0_DCFA (1<<6) /* Data Cache Flush Assist */ 529 #define HID0_LRSTK (1<<4) /* Link register stack - 745x */ 530 #define HID0_BTIC (1<<5) /* Branch Target Instr Cache Enable */ 531 #define HID0_ABE (1<<3) /* Address Broadcast Enable */ 532 #define HID0_FOLD (1<<3) /* Branch Folding enable - 745x */ 533 #define HID0_BHTE (1<<2) /* Branch History Table Enable */ 534 #define HID0_BTCD (1<<1) /* Branch target cache disable */ 535 #define HID0_NOPDST (1<<1) /* No-op dst, dstt, etc. instr. */ 536 #define HID0_NOPTI (1<<0) /* No-op dcbt and dcbst instr. */ 537 /* POWER8 HID0 bits */ 538 #define HID0_POWER8_4LPARMODE __MASK(61) 539 #define HID0_POWER8_2LPARMODE __MASK(57) 540 #define HID0_POWER8_1TO2LPAR __MASK(52) 541 #define HID0_POWER8_1TO4LPAR __MASK(51) 542 #define HID0_POWER8_DYNLPARDIS __MASK(48) 543 544 /* POWER9 HID0 bits */ 545 #define HID0_POWER9_RADIX __MASK(63 - 8) 546 547 #define SPRN_HID1 0x3F1 /* Hardware Implementation Register 1 */ 548 #ifdef CONFIG_6xx 549 #define HID1_EMCP (1<<31) /* 7450 Machine Check Pin Enable */ 550 #define HID1_DFS (1<<22) /* 7447A Dynamic Frequency Scaling */ 551 #define HID1_PC0 (1<<16) /* 7450 PLL_CFG[0] */ 552 #define HID1_PC1 (1<<15) /* 7450 PLL_CFG[1] */ 553 #define HID1_PC2 (1<<14) /* 7450 PLL_CFG[2] */ 554 #define HID1_PC3 (1<<13) /* 7450 PLL_CFG[3] */ 555 #define HID1_SYNCBE (1<<11) /* 7450 ABE for sync, eieio */ 556 #define HID1_ABE (1<<10) /* 7450 Address Broadcast Enable */ 557 #define HID1_PS (1<<16) /* 750FX PLL selection */ 558 #endif 559 #define SPRN_HID2 0x3F8 /* Hardware Implementation Register 2 */ 560 #define SPRN_HID2_GEKKO 0x398 /* Gekko HID2 Register */ 561 #define SPRN_IABR 0x3F2 /* Instruction Address Breakpoint Register */ 562 #define SPRN_IABR2 0x3FA /* 83xx */ 563 #define SPRN_IBCR 0x135 /* 83xx Insn Breakpoint Control Reg */ 564 #define SPRN_IAMR 0x03D /* Instr. Authority Mask Reg */ 565 #define SPRN_HID4 0x3F4 /* 970 HID4 */ 566 #define HID4_LPES0 (1ul << (63-0)) /* LPAR env. sel. bit 0 */ 567 #define HID4_RMLS2_SH (63 - 2) /* Real mode limit bottom 2 bits */ 568 #define HID4_LPID5_SH (63 - 6) /* partition ID bottom 4 bits */ 569 #define HID4_RMOR_SH (63 - 22) /* real mode offset (16 bits) */ 570 #define HID4_RMOR (0xFFFFul << HID4_RMOR_SH) 571 #define HID4_LPES1 (1 << (63-57)) /* LPAR env. sel. bit 1 */ 572 #define HID4_RMLS0_SH (63 - 58) /* Real mode limit top bit */ 573 #define HID4_LPID1_SH 0 /* partition ID top 2 bits */ 574 #define SPRN_HID4_GEKKO 0x3F3 /* Gekko HID4 */ 575 #define SPRN_HID5 0x3F6 /* 970 HID5 */ 576 #define SPRN_HID6 0x3F9 /* BE HID 6 */ 577 #define HID6_LB (0x0F<<12) /* Concurrent Large Page Modes */ 578 #define HID6_DLP (1<<20) /* Disable all large page modes (4K only) */ 579 #define SPRN_TSC_CELL 0x399 /* Thread switch control on Cell */ 580 #define TSC_CELL_DEC_ENABLE_0 0x400000 /* Decrementer Interrupt */ 581 #define TSC_CELL_DEC_ENABLE_1 0x200000 /* Decrementer Interrupt */ 582 #define TSC_CELL_EE_ENABLE 0x100000 /* External Interrupt */ 583 #define TSC_CELL_EE_BOOST 0x080000 /* External Interrupt Boost */ 584 #define SPRN_TSC 0x3FD /* Thread switch control on others */ 585 #define SPRN_TST 0x3FC /* Thread switch timeout on others */ 586 #if !defined(SPRN_IAC1) && !defined(SPRN_IAC2) 587 #define SPRN_IAC1 0x3F4 /* Instruction Address Compare 1 */ 588 #define SPRN_IAC2 0x3F5 /* Instruction Address Compare 2 */ 589 #endif 590 #define SPRN_IBAT0L 0x211 /* Instruction BAT 0 Lower Register */ 591 #define SPRN_IBAT0U 0x210 /* Instruction BAT 0 Upper Register */ 592 #define SPRN_IBAT1L 0x213 /* Instruction BAT 1 Lower Register */ 593 #define SPRN_IBAT1U 0x212 /* Instruction BAT 1 Upper Register */ 594 #define SPRN_IBAT2L 0x215 /* Instruction BAT 2 Lower Register */ 595 #define SPRN_IBAT2U 0x214 /* Instruction BAT 2 Upper Register */ 596 #define SPRN_IBAT3L 0x217 /* Instruction BAT 3 Lower Register */ 597 #define SPRN_IBAT3U 0x216 /* Instruction BAT 3 Upper Register */ 598 #define SPRN_IBAT4L 0x231 /* Instruction BAT 4 Lower Register */ 599 #define SPRN_IBAT4U 0x230 /* Instruction BAT 4 Upper Register */ 600 #define SPRN_IBAT5L 0x233 /* Instruction BAT 5 Lower Register */ 601 #define SPRN_IBAT5U 0x232 /* Instruction BAT 5 Upper Register */ 602 #define SPRN_IBAT6L 0x235 /* Instruction BAT 6 Lower Register */ 603 #define SPRN_IBAT6U 0x234 /* Instruction BAT 6 Upper Register */ 604 #define SPRN_IBAT7L 0x237 /* Instruction BAT 7 Lower Register */ 605 #define SPRN_IBAT7U 0x236 /* Instruction BAT 7 Upper Register */ 606 #define SPRN_ICMP 0x3D5 /* Instruction TLB Compare Register */ 607 #define SPRN_ICTC 0x3FB /* Instruction Cache Throttling Control Reg */ 608 #ifndef SPRN_ICTRL 609 #define SPRN_ICTRL 0x3F3 /* 1011 7450 icache and interrupt ctrl */ 610 #endif 611 #define ICTRL_EICE 0x08000000 /* enable icache parity errs */ 612 #define ICTRL_EDC 0x04000000 /* enable dcache parity errs */ 613 #define ICTRL_EICP 0x00000100 /* enable icache par. check */ 614 #define SPRN_IMISS 0x3D4 /* Instruction TLB Miss Register */ 615 #define SPRN_IMMR 0x27E /* Internal Memory Map Register */ 616 #define SPRN_L2CR 0x3F9 /* Level 2 Cache Control Register */ 617 #define SPRN_L2CR2 0x3f8 618 #define L2CR_L2E 0x80000000 /* L2 enable */ 619 #define L2CR_L2PE 0x40000000 /* L2 parity enable */ 620 #define L2CR_L2SIZ_MASK 0x30000000 /* L2 size mask */ 621 #define L2CR_L2SIZ_256KB 0x10000000 /* L2 size 256KB */ 622 #define L2CR_L2SIZ_512KB 0x20000000 /* L2 size 512KB */ 623 #define L2CR_L2SIZ_1MB 0x30000000 /* L2 size 1MB */ 624 #define L2CR_L2CLK_MASK 0x0e000000 /* L2 clock mask */ 625 #define L2CR_L2CLK_DISABLED 0x00000000 /* L2 clock disabled */ 626 #define L2CR_L2CLK_DIV1 0x02000000 /* L2 clock / 1 */ 627 #define L2CR_L2CLK_DIV1_5 0x04000000 /* L2 clock / 1.5 */ 628 #define L2CR_L2CLK_DIV2 0x08000000 /* L2 clock / 2 */ 629 #define L2CR_L2CLK_DIV2_5 0x0a000000 /* L2 clock / 2.5 */ 630 #define L2CR_L2CLK_DIV3 0x0c000000 /* L2 clock / 3 */ 631 #define L2CR_L2RAM_MASK 0x01800000 /* L2 RAM type mask */ 632 #define L2CR_L2RAM_FLOW 0x00000000 /* L2 RAM flow through */ 633 #define L2CR_L2RAM_PIPE 0x01000000 /* L2 RAM pipelined */ 634 #define L2CR_L2RAM_PIPE_LW 0x01800000 /* L2 RAM pipelined latewr */ 635 #define L2CR_L2DO 0x00400000 /* L2 data only */ 636 #define L2CR_L2I 0x00200000 /* L2 global invalidate */ 637 #define L2CR_L2CTL 0x00100000 /* L2 RAM control */ 638 #define L2CR_L2WT 0x00080000 /* L2 write-through */ 639 #define L2CR_L2TS 0x00040000 /* L2 test support */ 640 #define L2CR_L2OH_MASK 0x00030000 /* L2 output hold mask */ 641 #define L2CR_L2OH_0_5 0x00000000 /* L2 output hold 0.5 ns */ 642 #define L2CR_L2OH_1_0 0x00010000 /* L2 output hold 1.0 ns */ 643 #define L2CR_L2SL 0x00008000 /* L2 DLL slow */ 644 #define L2CR_L2DF 0x00004000 /* L2 differential clock */ 645 #define L2CR_L2BYP 0x00002000 /* L2 DLL bypass */ 646 #define L2CR_L2IP 0x00000001 /* L2 GI in progress */ 647 #define L2CR_L2IO_745x 0x00100000 /* L2 instr. only (745x) */ 648 #define L2CR_L2DO_745x 0x00010000 /* L2 data only (745x) */ 649 #define L2CR_L2REP_745x 0x00001000 /* L2 repl. algorithm (745x) */ 650 #define L2CR_L2HWF_745x 0x00000800 /* L2 hardware flush (745x) */ 651 #define SPRN_L3CR 0x3FA /* Level 3 Cache Control Register */ 652 #define L3CR_L3E 0x80000000 /* L3 enable */ 653 #define L3CR_L3PE 0x40000000 /* L3 data parity enable */ 654 #define L3CR_L3APE 0x20000000 /* L3 addr parity enable */ 655 #define L3CR_L3SIZ 0x10000000 /* L3 size */ 656 #define L3CR_L3CLKEN 0x08000000 /* L3 clock enable */ 657 #define L3CR_L3RES 0x04000000 /* L3 special reserved bit */ 658 #define L3CR_L3CLKDIV 0x03800000 /* L3 clock divisor */ 659 #define L3CR_L3IO 0x00400000 /* L3 instruction only */ 660 #define L3CR_L3SPO 0x00040000 /* L3 sample point override */ 661 #define L3CR_L3CKSP 0x00030000 /* L3 clock sample point */ 662 #define L3CR_L3PSP 0x0000e000 /* L3 P-clock sample point */ 663 #define L3CR_L3REP 0x00001000 /* L3 replacement algorithm */ 664 #define L3CR_L3HWF 0x00000800 /* L3 hardware flush */ 665 #define L3CR_L3I 0x00000400 /* L3 global invalidate */ 666 #define L3CR_L3RT 0x00000300 /* L3 SRAM type */ 667 #define L3CR_L3NIRCA 0x00000080 /* L3 non-integer ratio clock adj. */ 668 #define L3CR_L3DO 0x00000040 /* L3 data only mode */ 669 #define L3CR_PMEN 0x00000004 /* L3 private memory enable */ 670 #define L3CR_PMSIZ 0x00000001 /* L3 private memory size */ 671 672 #define SPRN_MSSCR0 0x3f6 /* Memory Subsystem Control Register 0 */ 673 #define SPRN_MSSSR0 0x3f7 /* Memory Subsystem Status Register 1 */ 674 #define SPRN_LDSTCR 0x3f8 /* Load/Store control register */ 675 #define SPRN_LDSTDB 0x3f4 /* */ 676 #define SPRN_LR 0x008 /* Link Register */ 677 #ifndef SPRN_PIR 678 #define SPRN_PIR 0x3FF /* Processor Identification Register */ 679 #endif 680 #define SPRN_TIR 0x1BE /* Thread Identification Register */ 681 #define SPRN_PTCR 0x1D0 /* Partition table control Register */ 682 #define SPRN_PSPB 0x09F /* Problem State Priority Boost reg */ 683 #define SPRN_PTEHI 0x3D5 /* 981 7450 PTE HI word (S/W TLB load) */ 684 #define SPRN_PTELO 0x3D6 /* 982 7450 PTE LO word (S/W TLB load) */ 685 #define SPRN_PURR 0x135 /* Processor Utilization of Resources Reg */ 686 #define SPRN_PVR 0x11F /* Processor Version Register */ 687 #define SPRN_RPA 0x3D6 /* Required Physical Address Register */ 688 #define SPRN_SDA 0x3BF /* Sampled Data Address Register */ 689 #define SPRN_SDR1 0x019 /* MMU Hash Base Register */ 690 #define SPRN_ASR 0x118 /* Address Space Register */ 691 #define SPRN_SIA 0x3BB /* Sampled Instruction Address Register */ 692 #define SPRN_SPRG0 0x110 /* Special Purpose Register General 0 */ 693 #define SPRN_SPRG1 0x111 /* Special Purpose Register General 1 */ 694 #define SPRN_SPRG2 0x112 /* Special Purpose Register General 2 */ 695 #define SPRN_SPRG3 0x113 /* Special Purpose Register General 3 */ 696 #define SPRN_USPRG3 0x103 /* SPRG3 userspace read */ 697 #define SPRN_SPRG4 0x114 /* Special Purpose Register General 4 */ 698 #define SPRN_USPRG4 0x104 /* SPRG4 userspace read */ 699 #define SPRN_SPRG5 0x115 /* Special Purpose Register General 5 */ 700 #define SPRN_USPRG5 0x105 /* SPRG5 userspace read */ 701 #define SPRN_SPRG6 0x116 /* Special Purpose Register General 6 */ 702 #define SPRN_USPRG6 0x106 /* SPRG6 userspace read */ 703 #define SPRN_SPRG7 0x117 /* Special Purpose Register General 7 */ 704 #define SPRN_USPRG7 0x107 /* SPRG7 userspace read */ 705 #define SPRN_SRR0 0x01A /* Save/Restore Register 0 */ 706 #define SPRN_SRR1 0x01B /* Save/Restore Register 1 */ 707 #define SRR1_ISI_NOPT 0x40000000 /* ISI: Not found in hash */ 708 #define SRR1_ISI_N_OR_G 0x10000000 /* ISI: Access is no-exec or G */ 709 #define SRR1_ISI_PROT 0x08000000 /* ISI: Other protection fault */ 710 #define SRR1_WAKEMASK 0x00380000 /* reason for wakeup */ 711 #define SRR1_WAKEMASK_P8 0x003c0000 /* reason for wakeup on POWER8 and 9 */ 712 #define SRR1_WAKEMCE_RESVD 0x003c0000 /* Unused/reserved value used by MCE wakeup to indicate cause to idle wakeup handler */ 713 #define SRR1_WAKESYSERR 0x00300000 /* System error */ 714 #define SRR1_WAKEEE 0x00200000 /* External interrupt */ 715 #define SRR1_WAKEHVI 0x00240000 /* Hypervisor Virtualization Interrupt (P9) */ 716 #define SRR1_WAKEMT 0x00280000 /* mtctrl */ 717 #define SRR1_WAKEHMI 0x00280000 /* Hypervisor maintenance */ 718 #define SRR1_WAKEDEC 0x00180000 /* Decrementer interrupt */ 719 #define SRR1_WAKEDBELL 0x00140000 /* Privileged doorbell on P8 */ 720 #define SRR1_WAKETHERM 0x00100000 /* Thermal management interrupt */ 721 #define SRR1_WAKERESET 0x00100000 /* System reset */ 722 #define SRR1_WAKEHDBELL 0x000c0000 /* Hypervisor doorbell on P8 */ 723 #define SRR1_WAKESTATE 0x00030000 /* Powersave exit mask [46:47] */ 724 #define SRR1_WS_DEEPEST 0x00030000 /* Some resources not maintained, 725 * may not be recoverable */ 726 #define SRR1_WS_DEEPER 0x00020000 /* Some resources not maintained */ 727 #define SRR1_WS_DEEP 0x00010000 /* All resources maintained */ 728 #define SRR1_PROGTM 0x00200000 /* TM Bad Thing */ 729 #define SRR1_PROGFPE 0x00100000 /* Floating Point Enabled */ 730 #define SRR1_PROGILL 0x00080000 /* Illegal instruction */ 731 #define SRR1_PROGPRIV 0x00040000 /* Privileged instruction */ 732 #define SRR1_PROGTRAP 0x00020000 /* Trap */ 733 #define SRR1_PROGADDR 0x00010000 /* SRR0 contains subsequent addr */ 734 735 #define SPRN_HSRR0 0x13A /* Save/Restore Register 0 */ 736 #define SPRN_HSRR1 0x13B /* Save/Restore Register 1 */ 737 #define HSRR1_DENORM 0x00100000 /* Denorm exception */ 738 739 #define SPRN_TBCTL 0x35f /* PA6T Timebase control register */ 740 #define TBCTL_FREEZE 0x0000000000000000ull /* Freeze all tbs */ 741 #define TBCTL_RESTART 0x0000000100000000ull /* Restart all tbs */ 742 #define TBCTL_UPDATE_UPPER 0x0000000200000000ull /* Set upper 32 bits */ 743 #define TBCTL_UPDATE_LOWER 0x0000000300000000ull /* Set lower 32 bits */ 744 745 #ifndef SPRN_SVR 746 #define SPRN_SVR 0x11E /* System Version Register */ 747 #endif 748 #define SPRN_THRM1 0x3FC /* Thermal Management Register 1 */ 749 /* these bits were defined in inverted endian sense originally, ugh, confusing */ 750 #define THRM1_TIN (1 << 31) 751 #define THRM1_TIV (1 << 30) 752 #define THRM1_THRES(x) ((x&0x7f)<<23) 753 #define THRM3_SITV(x) ((x&0x3fff)<<1) 754 #define THRM1_TID (1<<2) 755 #define THRM1_TIE (1<<1) 756 #define THRM1_V (1<<0) 757 #define SPRN_THRM2 0x3FD /* Thermal Management Register 2 */ 758 #define SPRN_THRM3 0x3FE /* Thermal Management Register 3 */ 759 #define THRM3_E (1<<0) 760 #define SPRN_TLBMISS 0x3D4 /* 980 7450 TLB Miss Register */ 761 #define SPRN_UMMCR0 0x3A8 /* User Monitor Mode Control Register 0 */ 762 #define SPRN_UMMCR1 0x3AC /* User Monitor Mode Control Register 0 */ 763 #define SPRN_UPMC1 0x3A9 /* User Performance Counter Register 1 */ 764 #define SPRN_UPMC2 0x3AA /* User Performance Counter Register 2 */ 765 #define SPRN_UPMC3 0x3AD /* User Performance Counter Register 3 */ 766 #define SPRN_UPMC4 0x3AE /* User Performance Counter Register 4 */ 767 #define SPRN_USIA 0x3AB /* User Sampled Instruction Address Register */ 768 #define SPRN_VRSAVE 0x100 /* Vector Register Save Register */ 769 #define SPRN_XER 0x001 /* Fixed Point Exception Register */ 770 771 #define SPRN_MMCR0_GEKKO 0x3B8 /* Gekko Monitor Mode Control Register 0 */ 772 #define SPRN_MMCR1_GEKKO 0x3BC /* Gekko Monitor Mode Control Register 1 */ 773 #define SPRN_PMC1_GEKKO 0x3B9 /* Gekko Performance Monitor Control 1 */ 774 #define SPRN_PMC2_GEKKO 0x3BA /* Gekko Performance Monitor Control 2 */ 775 #define SPRN_PMC3_GEKKO 0x3BD /* Gekko Performance Monitor Control 3 */ 776 #define SPRN_PMC4_GEKKO 0x3BE /* Gekko Performance Monitor Control 4 */ 777 #define SPRN_WPAR_GEKKO 0x399 /* Gekko Write Pipe Address Register */ 778 779 #define SPRN_SCOMC 0x114 /* SCOM Access Control */ 780 #define SPRN_SCOMD 0x115 /* SCOM Access DATA */ 781 782 /* Performance monitor SPRs */ 783 #ifdef CONFIG_PPC64 784 #define SPRN_MMCR0 795 785 #define MMCR0_FC 0x80000000UL /* freeze counters */ 786 #define MMCR0_FCS 0x40000000UL /* freeze in supervisor state */ 787 #define MMCR0_KERNEL_DISABLE MMCR0_FCS 788 #define MMCR0_FCP 0x20000000UL /* freeze in problem state */ 789 #define MMCR0_PROBLEM_DISABLE MMCR0_FCP 790 #define MMCR0_FCM1 0x10000000UL /* freeze counters while MSR mark = 1 */ 791 #define MMCR0_FCM0 0x08000000UL /* freeze counters while MSR mark = 0 */ 792 #define MMCR0_PMXE ASM_CONST(0x04000000) /* perf mon exception enable */ 793 #define MMCR0_FCECE ASM_CONST(0x02000000) /* freeze ctrs on enabled cond or event */ 794 #define MMCR0_TBEE 0x00400000UL /* time base exception enable */ 795 #define MMCR0_BHRBA 0x00200000UL /* BHRB Access allowed in userspace */ 796 #define MMCR0_EBE 0x00100000UL /* Event based branch enable */ 797 #define MMCR0_PMCC 0x000c0000UL /* PMC control */ 798 #define MMCR0_PMCC_U6 0x00080000UL /* PMC1-6 are R/W by user (PR) */ 799 #define MMCR0_PMC1CE 0x00008000UL /* PMC1 count enable*/ 800 #define MMCR0_PMCjCE ASM_CONST(0x00004000) /* PMCj count enable*/ 801 #define MMCR0_TRIGGER 0x00002000UL /* TRIGGER enable */ 802 #define MMCR0_PMAO_SYNC ASM_CONST(0x00000800) /* PMU intr is synchronous */ 803 #define MMCR0_C56RUN ASM_CONST(0x00000100) /* PMC5/6 count when RUN=0 */ 804 /* performance monitor alert has occurred, set to 0 after handling exception */ 805 #define MMCR0_PMAO ASM_CONST(0x00000080) 806 #define MMCR0_SHRFC 0x00000040UL /* SHRre freeze conditions between threads */ 807 #define MMCR0_FC56 0x00000010UL /* freeze counters 5 and 6 */ 808 #define MMCR0_FCTI 0x00000008UL /* freeze counters in tags inactive mode */ 809 #define MMCR0_FCTA 0x00000004UL /* freeze counters in tags active mode */ 810 #define MMCR0_FCWAIT 0x00000002UL /* freeze counter in WAIT state */ 811 #define MMCR0_FCHV 0x00000001UL /* freeze conditions in hypervisor mode */ 812 #define SPRN_MMCR1 798 813 #define SPRN_MMCR2 785 814 #define SPRN_UMMCR2 769 815 #define SPRN_MMCRA 0x312 816 #define MMCRA_SDSYNC 0x80000000UL /* SDAR synced with SIAR */ 817 #define MMCRA_SDAR_DCACHE_MISS 0x40000000UL 818 #define MMCRA_SDAR_ERAT_MISS 0x20000000UL 819 #define MMCRA_SIHV 0x10000000UL /* state of MSR HV when SIAR set */ 820 #define MMCRA_SIPR 0x08000000UL /* state of MSR PR when SIAR set */ 821 #define MMCRA_SLOT 0x07000000UL /* SLOT bits (37-39) */ 822 #define MMCRA_SLOT_SHIFT 24 823 #define MMCRA_SAMPLE_ENABLE 0x00000001UL /* enable sampling */ 824 #define POWER6_MMCRA_SDSYNC 0x0000080000000000ULL /* SDAR/SIAR synced */ 825 #define POWER6_MMCRA_SIHV 0x0000040000000000ULL 826 #define POWER6_MMCRA_SIPR 0x0000020000000000ULL 827 #define POWER6_MMCRA_THRM 0x00000020UL 828 #define POWER6_MMCRA_OTHER 0x0000000EUL 829 830 #define POWER7P_MMCRA_SIAR_VALID 0x10000000 /* P7+ SIAR contents valid */ 831 #define POWER7P_MMCRA_SDAR_VALID 0x08000000 /* P7+ SDAR contents valid */ 832 833 #define SPRN_MMCRH 316 /* Hypervisor monitor mode control register */ 834 #define SPRN_MMCRS 894 /* Supervisor monitor mode control register */ 835 #define SPRN_MMCRC 851 /* Core monitor mode control register */ 836 #define SPRN_EBBHR 804 /* Event based branch handler register */ 837 #define SPRN_EBBRR 805 /* Event based branch return register */ 838 #define SPRN_BESCR 806 /* Branch event status and control register */ 839 #define BESCR_GE 0x8000000000000000ULL /* Global Enable */ 840 #define SPRN_WORT 895 /* Workload optimization register - thread */ 841 #define SPRN_WORC 863 /* Workload optimization register - core */ 842 843 #define SPRN_PMC1 787 844 #define SPRN_PMC2 788 845 #define SPRN_PMC3 789 846 #define SPRN_PMC4 790 847 #define SPRN_PMC5 791 848 #define SPRN_PMC6 792 849 #define SPRN_PMC7 793 850 #define SPRN_PMC8 794 851 #define SPRN_SIER 784 852 #define SIER_SIPR 0x2000000 /* Sampled MSR_PR */ 853 #define SIER_SIHV 0x1000000 /* Sampled MSR_HV */ 854 #define SIER_SIAR_VALID 0x0400000 /* SIAR contents valid */ 855 #define SIER_SDAR_VALID 0x0200000 /* SDAR contents valid */ 856 #define SPRN_SIAR 796 857 #define SPRN_SDAR 797 858 #define SPRN_TACR 888 859 #define SPRN_TCSCR 889 860 #define SPRN_CSIGR 890 861 #define SPRN_SPMC1 892 862 #define SPRN_SPMC2 893 863 864 /* When EBB is enabled, some of MMCR0/MMCR2/SIER are user accessible */ 865 #define MMCR0_USER_MASK (MMCR0_FC | MMCR0_PMXE | MMCR0_PMAO) 866 #define MMCR2_USER_MASK 0x4020100804020000UL /* (FC1P|FC2P|FC3P|FC4P|FC5P|FC6P) */ 867 #define SIER_USER_MASK 0x7fffffUL 868 869 #define SPRN_PA6T_MMCR0 795 870 #define PA6T_MMCR0_EN0 0x0000000000000001UL 871 #define PA6T_MMCR0_EN1 0x0000000000000002UL 872 #define PA6T_MMCR0_EN2 0x0000000000000004UL 873 #define PA6T_MMCR0_EN3 0x0000000000000008UL 874 #define PA6T_MMCR0_EN4 0x0000000000000010UL 875 #define PA6T_MMCR0_EN5 0x0000000000000020UL 876 #define PA6T_MMCR0_SUPEN 0x0000000000000040UL 877 #define PA6T_MMCR0_PREN 0x0000000000000080UL 878 #define PA6T_MMCR0_HYPEN 0x0000000000000100UL 879 #define PA6T_MMCR0_FCM0 0x0000000000000200UL 880 #define PA6T_MMCR0_FCM1 0x0000000000000400UL 881 #define PA6T_MMCR0_INTGEN 0x0000000000000800UL 882 #define PA6T_MMCR0_INTEN0 0x0000000000001000UL 883 #define PA6T_MMCR0_INTEN1 0x0000000000002000UL 884 #define PA6T_MMCR0_INTEN2 0x0000000000004000UL 885 #define PA6T_MMCR0_INTEN3 0x0000000000008000UL 886 #define PA6T_MMCR0_INTEN4 0x0000000000010000UL 887 #define PA6T_MMCR0_INTEN5 0x0000000000020000UL 888 #define PA6T_MMCR0_DISCNT 0x0000000000040000UL 889 #define PA6T_MMCR0_UOP 0x0000000000080000UL 890 #define PA6T_MMCR0_TRG 0x0000000000100000UL 891 #define PA6T_MMCR0_TRGEN 0x0000000000200000UL 892 #define PA6T_MMCR0_TRGREG 0x0000000001600000UL 893 #define PA6T_MMCR0_SIARLOG 0x0000000002000000UL 894 #define PA6T_MMCR0_SDARLOG 0x0000000004000000UL 895 #define PA6T_MMCR0_PROEN 0x0000000008000000UL 896 #define PA6T_MMCR0_PROLOG 0x0000000010000000UL 897 #define PA6T_MMCR0_DAMEN2 0x0000000020000000UL 898 #define PA6T_MMCR0_DAMEN3 0x0000000040000000UL 899 #define PA6T_MMCR0_DAMEN4 0x0000000080000000UL 900 #define PA6T_MMCR0_DAMEN5 0x0000000100000000UL 901 #define PA6T_MMCR0_DAMSEL2 0x0000000200000000UL 902 #define PA6T_MMCR0_DAMSEL3 0x0000000400000000UL 903 #define PA6T_MMCR0_DAMSEL4 0x0000000800000000UL 904 #define PA6T_MMCR0_DAMSEL5 0x0000001000000000UL 905 #define PA6T_MMCR0_HANDDIS 0x0000002000000000UL 906 #define PA6T_MMCR0_PCTEN 0x0000004000000000UL 907 #define PA6T_MMCR0_SOCEN 0x0000008000000000UL 908 #define PA6T_MMCR0_SOCMOD 0x0000010000000000UL 909 910 #define SPRN_PA6T_MMCR1 798 911 #define PA6T_MMCR1_ES2 0x00000000000000ffUL 912 #define PA6T_MMCR1_ES3 0x000000000000ff00UL 913 #define PA6T_MMCR1_ES4 0x0000000000ff0000UL 914 #define PA6T_MMCR1_ES5 0x00000000ff000000UL 915 916 #define SPRN_PA6T_UPMC0 771 /* User PerfMon Counter 0 */ 917 #define SPRN_PA6T_UPMC1 772 /* ... */ 918 #define SPRN_PA6T_UPMC2 773 919 #define SPRN_PA6T_UPMC3 774 920 #define SPRN_PA6T_UPMC4 775 921 #define SPRN_PA6T_UPMC5 776 922 #define SPRN_PA6T_UMMCR0 779 /* User Monitor Mode Control Register 0 */ 923 #define SPRN_PA6T_SIAR 780 /* Sampled Instruction Address */ 924 #define SPRN_PA6T_UMMCR1 782 /* User Monitor Mode Control Register 1 */ 925 #define SPRN_PA6T_SIER 785 /* Sampled Instruction Event Register */ 926 #define SPRN_PA6T_PMC0 787 927 #define SPRN_PA6T_PMC1 788 928 #define SPRN_PA6T_PMC2 789 929 #define SPRN_PA6T_PMC3 790 930 #define SPRN_PA6T_PMC4 791 931 #define SPRN_PA6T_PMC5 792 932 #define SPRN_PA6T_TSR0 793 /* Timestamp Register 0 */ 933 #define SPRN_PA6T_TSR1 794 /* Timestamp Register 1 */ 934 #define SPRN_PA6T_TSR2 799 /* Timestamp Register 2 */ 935 #define SPRN_PA6T_TSR3 784 /* Timestamp Register 3 */ 936 937 #define SPRN_PA6T_IER 981 /* Icache Error Register */ 938 #define SPRN_PA6T_DER 982 /* Dcache Error Register */ 939 #define SPRN_PA6T_BER 862 /* BIU Error Address Register */ 940 #define SPRN_PA6T_MER 849 /* MMU Error Register */ 941 942 #define SPRN_PA6T_IMA0 880 /* Instruction Match Array 0 */ 943 #define SPRN_PA6T_IMA1 881 /* ... */ 944 #define SPRN_PA6T_IMA2 882 945 #define SPRN_PA6T_IMA3 883 946 #define SPRN_PA6T_IMA4 884 947 #define SPRN_PA6T_IMA5 885 948 #define SPRN_PA6T_IMA6 886 949 #define SPRN_PA6T_IMA7 887 950 #define SPRN_PA6T_IMA8 888 951 #define SPRN_PA6T_IMA9 889 952 #define SPRN_PA6T_BTCR 978 /* Breakpoint and Tagging Control Register */ 953 #define SPRN_PA6T_IMAAT 979 /* Instruction Match Array Action Table */ 954 #define SPRN_PA6T_PCCR 1019 /* Power Counter Control Register */ 955 #define SPRN_BKMK 1020 /* Cell Bookmark Register */ 956 #define SPRN_PA6T_RPCCR 1021 /* Retire PC Trace Control Register */ 957 958 959 #else /* 32-bit */ 960 #define SPRN_MMCR0 952 /* Monitor Mode Control Register 0 */ 961 #define MMCR0_FC 0x80000000UL /* freeze counters */ 962 #define MMCR0_FCS 0x40000000UL /* freeze in supervisor state */ 963 #define MMCR0_FCP 0x20000000UL /* freeze in problem state */ 964 #define MMCR0_FCM1 0x10000000UL /* freeze counters while MSR mark = 1 */ 965 #define MMCR0_FCM0 0x08000000UL /* freeze counters while MSR mark = 0 */ 966 #define MMCR0_PMXE 0x04000000UL /* performance monitor exception enable */ 967 #define MMCR0_FCECE 0x02000000UL /* freeze ctrs on enabled cond or event */ 968 #define MMCR0_TBEE 0x00400000UL /* time base exception enable */ 969 #define MMCR0_PMC1CE 0x00008000UL /* PMC1 count enable*/ 970 #define MMCR0_PMCnCE 0x00004000UL /* count enable for all but PMC 1*/ 971 #define MMCR0_TRIGGER 0x00002000UL /* TRIGGER enable */ 972 #define MMCR0_PMC1SEL 0x00001fc0UL /* PMC 1 Event */ 973 #define MMCR0_PMC2SEL 0x0000003fUL /* PMC 2 Event */ 974 975 #define SPRN_MMCR1 956 976 #define MMCR1_PMC3SEL 0xf8000000UL /* PMC 3 Event */ 977 #define MMCR1_PMC4SEL 0x07c00000UL /* PMC 4 Event */ 978 #define MMCR1_PMC5SEL 0x003e0000UL /* PMC 5 Event */ 979 #define MMCR1_PMC6SEL 0x0001f800UL /* PMC 6 Event */ 980 #define SPRN_MMCR2 944 981 #define SPRN_PMC1 953 /* Performance Counter Register 1 */ 982 #define SPRN_PMC2 954 /* Performance Counter Register 2 */ 983 #define SPRN_PMC3 957 /* Performance Counter Register 3 */ 984 #define SPRN_PMC4 958 /* Performance Counter Register 4 */ 985 #define SPRN_PMC5 945 /* Performance Counter Register 5 */ 986 #define SPRN_PMC6 946 /* Performance Counter Register 6 */ 987 988 #define SPRN_SIAR 955 /* Sampled Instruction Address Register */ 989 990 /* Bit definitions for MMCR0 and PMC1 / PMC2. */ 991 #define MMCR0_PMC1_CYCLES (1 << 7) 992 #define MMCR0_PMC1_ICACHEMISS (5 << 7) 993 #define MMCR0_PMC1_DTLB (6 << 7) 994 #define MMCR0_PMC2_DCACHEMISS 0x6 995 #define MMCR0_PMC2_CYCLES 0x1 996 #define MMCR0_PMC2_ITLB 0x7 997 #define MMCR0_PMC2_LOADMISSTIME 0x5 998 #endif 999 1000 /* 1001 * SPRG usage: 1002 * 1003 * All 64-bit: 1004 * - SPRG1 stores PACA pointer except 64-bit server in 1005 * HV mode in which case it is HSPRG0 1006 * 1007 * 64-bit server: 1008 * - SPRG0 scratch for TM recheckpoint/reclaim (reserved for HV on Power4) 1009 * - SPRG2 scratch for exception vectors 1010 * - SPRG3 CPU and NUMA node for VDSO getcpu (user visible) 1011 * - HSPRG0 stores PACA in HV mode 1012 * - HSPRG1 scratch for "HV" exceptions 1013 * 1014 * 64-bit embedded 1015 * - SPRG0 generic exception scratch 1016 * - SPRG2 TLB exception stack 1017 * - SPRG3 critical exception scratch (user visible, sorry!) 1018 * - SPRG4 unused (user visible) 1019 * - SPRG6 TLB miss scratch (user visible, sorry !) 1020 * - SPRG7 CPU and NUMA node for VDSO getcpu (user visible) 1021 * - SPRG8 machine check exception scratch 1022 * - SPRG9 debug exception scratch 1023 * 1024 * All 32-bit: 1025 * - SPRG3 current thread_info pointer 1026 * (virtual on BookE, physical on others) 1027 * 1028 * 32-bit classic: 1029 * - SPRG0 scratch for exception vectors 1030 * - SPRG1 scratch for exception vectors 1031 * - SPRG2 indicator that we are in RTAS 1032 * - SPRG4 (603 only) pseudo TLB LRU data 1033 * 1034 * 32-bit 40x: 1035 * - SPRG0 scratch for exception vectors 1036 * - SPRG1 scratch for exception vectors 1037 * - SPRG2 scratch for exception vectors 1038 * - SPRG4 scratch for exception vectors (not 403) 1039 * - SPRG5 scratch for exception vectors (not 403) 1040 * - SPRG6 scratch for exception vectors (not 403) 1041 * - SPRG7 scratch for exception vectors (not 403) 1042 * 1043 * 32-bit 440 and FSL BookE: 1044 * - SPRG0 scratch for exception vectors 1045 * - SPRG1 scratch for exception vectors (*) 1046 * - SPRG2 scratch for crit interrupts handler 1047 * - SPRG4 scratch for exception vectors 1048 * - SPRG5 scratch for exception vectors 1049 * - SPRG6 scratch for machine check handler 1050 * - SPRG7 scratch for exception vectors 1051 * - SPRG9 scratch for debug vectors (e500 only) 1052 * 1053 * Additionally, BookE separates "read" and "write" 1054 * of those registers. That allows to use the userspace 1055 * readable variant for reads, which can avoid a fault 1056 * with KVM type virtualization. 1057 * 1058 * 32-bit 8xx: 1059 * - SPRG0 scratch for exception vectors 1060 * - SPRG1 scratch for exception vectors 1061 * - SPRG2 scratch for exception vectors 1062 * 1063 */ 1064 #ifdef CONFIG_PPC64 1065 #define SPRN_SPRG_PACA SPRN_SPRG1 1066 #else 1067 #define SPRN_SPRG_THREAD SPRN_SPRG3 1068 #endif 1069 1070 #ifdef CONFIG_PPC_BOOK3S_64 1071 #define SPRN_SPRG_SCRATCH0 SPRN_SPRG2 1072 #define SPRN_SPRG_HPACA SPRN_HSPRG0 1073 #define SPRN_SPRG_HSCRATCH0 SPRN_HSPRG1 1074 #define SPRN_SPRG_VDSO_READ SPRN_USPRG3 1075 #define SPRN_SPRG_VDSO_WRITE SPRN_SPRG3 1076 1077 #define GET_PACA(rX) \ 1078 BEGIN_FTR_SECTION_NESTED(66); \ 1079 mfspr rX,SPRN_SPRG_PACA; \ 1080 FTR_SECTION_ELSE_NESTED(66); \ 1081 mfspr rX,SPRN_SPRG_HPACA; \ 1082 ALT_FTR_SECTION_END_NESTED_IFCLR(CPU_FTR_HVMODE, 66) 1083 1084 #define SET_PACA(rX) \ 1085 BEGIN_FTR_SECTION_NESTED(66); \ 1086 mtspr SPRN_SPRG_PACA,rX; \ 1087 FTR_SECTION_ELSE_NESTED(66); \ 1088 mtspr SPRN_SPRG_HPACA,rX; \ 1089 ALT_FTR_SECTION_END_NESTED_IFCLR(CPU_FTR_HVMODE, 66) 1090 1091 #define GET_SCRATCH0(rX) \ 1092 BEGIN_FTR_SECTION_NESTED(66); \ 1093 mfspr rX,SPRN_SPRG_SCRATCH0; \ 1094 FTR_SECTION_ELSE_NESTED(66); \ 1095 mfspr rX,SPRN_SPRG_HSCRATCH0; \ 1096 ALT_FTR_SECTION_END_NESTED_IFCLR(CPU_FTR_HVMODE, 66) 1097 1098 #define SET_SCRATCH0(rX) \ 1099 BEGIN_FTR_SECTION_NESTED(66); \ 1100 mtspr SPRN_SPRG_SCRATCH0,rX; \ 1101 FTR_SECTION_ELSE_NESTED(66); \ 1102 mtspr SPRN_SPRG_HSCRATCH0,rX; \ 1103 ALT_FTR_SECTION_END_NESTED_IFCLR(CPU_FTR_HVMODE, 66) 1104 1105 #else /* CONFIG_PPC_BOOK3S_64 */ 1106 #define GET_SCRATCH0(rX) mfspr rX,SPRN_SPRG_SCRATCH0 1107 #define SET_SCRATCH0(rX) mtspr SPRN_SPRG_SCRATCH0,rX 1108 1109 #endif 1110 1111 #ifdef CONFIG_PPC_BOOK3E_64 1112 #define SPRN_SPRG_MC_SCRATCH SPRN_SPRG8 1113 #define SPRN_SPRG_CRIT_SCRATCH SPRN_SPRG3 1114 #define SPRN_SPRG_DBG_SCRATCH SPRN_SPRG9 1115 #define SPRN_SPRG_TLB_EXFRAME SPRN_SPRG2 1116 #define SPRN_SPRG_TLB_SCRATCH SPRN_SPRG6 1117 #define SPRN_SPRG_GEN_SCRATCH SPRN_SPRG0 1118 #define SPRN_SPRG_GDBELL_SCRATCH SPRN_SPRG_GEN_SCRATCH 1119 #define SPRN_SPRG_VDSO_READ SPRN_USPRG7 1120 #define SPRN_SPRG_VDSO_WRITE SPRN_SPRG7 1121 1122 #define SET_PACA(rX) mtspr SPRN_SPRG_PACA,rX 1123 #define GET_PACA(rX) mfspr rX,SPRN_SPRG_PACA 1124 1125 #endif 1126 1127 #ifdef CONFIG_PPC_BOOK3S_32 1128 #define SPRN_SPRG_SCRATCH0 SPRN_SPRG0 1129 #define SPRN_SPRG_SCRATCH1 SPRN_SPRG1 1130 #define SPRN_SPRG_RTAS SPRN_SPRG2 1131 #define SPRN_SPRG_603_LRU SPRN_SPRG4 1132 #endif 1133 1134 #ifdef CONFIG_40x 1135 #define SPRN_SPRG_SCRATCH0 SPRN_SPRG0 1136 #define SPRN_SPRG_SCRATCH1 SPRN_SPRG1 1137 #define SPRN_SPRG_SCRATCH2 SPRN_SPRG2 1138 #define SPRN_SPRG_SCRATCH3 SPRN_SPRG4 1139 #define SPRN_SPRG_SCRATCH4 SPRN_SPRG5 1140 #define SPRN_SPRG_SCRATCH5 SPRN_SPRG6 1141 #define SPRN_SPRG_SCRATCH6 SPRN_SPRG7 1142 #endif 1143 1144 #ifdef CONFIG_BOOKE 1145 #define SPRN_SPRG_RSCRATCH0 SPRN_SPRG0 1146 #define SPRN_SPRG_WSCRATCH0 SPRN_SPRG0 1147 #define SPRN_SPRG_RSCRATCH1 SPRN_SPRG1 1148 #define SPRN_SPRG_WSCRATCH1 SPRN_SPRG1 1149 #define SPRN_SPRG_RSCRATCH_CRIT SPRN_SPRG2 1150 #define SPRN_SPRG_WSCRATCH_CRIT SPRN_SPRG2 1151 #define SPRN_SPRG_RSCRATCH2 SPRN_SPRG4R 1152 #define SPRN_SPRG_WSCRATCH2 SPRN_SPRG4W 1153 #define SPRN_SPRG_RSCRATCH3 SPRN_SPRG5R 1154 #define SPRN_SPRG_WSCRATCH3 SPRN_SPRG5W 1155 #define SPRN_SPRG_RSCRATCH_MC SPRN_SPRG1 1156 #define SPRN_SPRG_WSCRATCH_MC SPRN_SPRG1 1157 #define SPRN_SPRG_RSCRATCH4 SPRN_SPRG7R 1158 #define SPRN_SPRG_WSCRATCH4 SPRN_SPRG7W 1159 #ifdef CONFIG_E200 1160 #define SPRN_SPRG_RSCRATCH_DBG SPRN_SPRG6R 1161 #define SPRN_SPRG_WSCRATCH_DBG SPRN_SPRG6W 1162 #else 1163 #define SPRN_SPRG_RSCRATCH_DBG SPRN_SPRG9 1164 #define SPRN_SPRG_WSCRATCH_DBG SPRN_SPRG9 1165 #endif 1166 #endif 1167 1168 #ifdef CONFIG_PPC_8xx 1169 #define SPRN_SPRG_SCRATCH0 SPRN_SPRG0 1170 #define SPRN_SPRG_SCRATCH1 SPRN_SPRG1 1171 #define SPRN_SPRG_SCRATCH2 SPRN_SPRG2 1172 #endif 1173 1174 1175 1176 /* 1177 * An mtfsf instruction with the L bit set. On CPUs that support this a 1178 * full 64bits of FPSCR is restored and on other CPUs the L bit is ignored. 1179 * 1180 * Until binutils gets the new form of mtfsf, hardwire the instruction. 1181 */ 1182 #ifdef CONFIG_PPC64 1183 #define MTFSF_L(REG) \ 1184 .long (0xfc00058e | ((0xff) << 17) | ((REG) << 11) | (1 << 25)) 1185 #else 1186 #define MTFSF_L(REG) mtfsf 0xff, (REG) 1187 #endif 1188 1189 /* Processor Version Register (PVR) field extraction */ 1190 1191 #define PVR_VER(pvr) (((pvr) >> 16) & 0xFFFF) /* Version field */ 1192 #define PVR_REV(pvr) (((pvr) >> 0) & 0xFFFF) /* Revison field */ 1193 1194 #define pvr_version_is(pvr) (PVR_VER(mfspr(SPRN_PVR)) == (pvr)) 1195 1196 /* 1197 * IBM has further subdivided the standard PowerPC 16-bit version and 1198 * revision subfields of the PVR for the PowerPC 403s into the following: 1199 */ 1200 1201 #define PVR_FAM(pvr) (((pvr) >> 20) & 0xFFF) /* Family field */ 1202 #define PVR_MEM(pvr) (((pvr) >> 16) & 0xF) /* Member field */ 1203 #define PVR_CORE(pvr) (((pvr) >> 12) & 0xF) /* Core field */ 1204 #define PVR_CFG(pvr) (((pvr) >> 8) & 0xF) /* Configuration field */ 1205 #define PVR_MAJ(pvr) (((pvr) >> 4) & 0xF) /* Major revision field */ 1206 #define PVR_MIN(pvr) (((pvr) >> 0) & 0xF) /* Minor revision field */ 1207 1208 /* Processor Version Numbers */ 1209 1210 #define PVR_403GA 0x00200000 1211 #define PVR_403GB 0x00200100 1212 #define PVR_403GC 0x00200200 1213 #define PVR_403GCX 0x00201400 1214 #define PVR_405GP 0x40110000 1215 #define PVR_476 0x11a52000 1216 #define PVR_476FPE 0x7ff50000 1217 #define PVR_STB03XXX 0x40310000 1218 #define PVR_NP405H 0x41410000 1219 #define PVR_NP405L 0x41610000 1220 #define PVR_601 0x00010000 1221 #define PVR_602 0x00050000 1222 #define PVR_603 0x00030000 1223 #define PVR_603e 0x00060000 1224 #define PVR_603ev 0x00070000 1225 #define PVR_603r 0x00071000 1226 #define PVR_604 0x00040000 1227 #define PVR_604e 0x00090000 1228 #define PVR_604r 0x000A0000 1229 #define PVR_620 0x00140000 1230 #define PVR_740 0x00080000 1231 #define PVR_750 PVR_740 1232 #define PVR_740P 0x10080000 1233 #define PVR_750P PVR_740P 1234 #define PVR_7400 0x000C0000 1235 #define PVR_7410 0x800C0000 1236 #define PVR_7450 0x80000000 1237 #define PVR_8540 0x80200000 1238 #define PVR_8560 0x80200000 1239 #define PVR_VER_E500V1 0x8020 1240 #define PVR_VER_E500V2 0x8021 1241 #define PVR_VER_E500MC 0x8023 1242 #define PVR_VER_E5500 0x8024 1243 #define PVR_VER_E6500 0x8040 1244 1245 /* 1246 * For the 8xx processors, all of them report the same PVR family for 1247 * the PowerPC core. The various versions of these processors must be 1248 * differentiated by the version number in the Communication Processor 1249 * Module (CPM). 1250 */ 1251 #define PVR_8xx 0x00500000 1252 1253 #define PVR_8240 0x00810100 1254 #define PVR_8245 0x80811014 1255 #define PVR_8260 PVR_8240 1256 1257 /* 476 Simulator seems to currently have the PVR of the 602... */ 1258 #define PVR_476_ISS 0x00052000 1259 1260 /* 64-bit processors */ 1261 #define PVR_NORTHSTAR 0x0033 1262 #define PVR_PULSAR 0x0034 1263 #define PVR_POWER4 0x0035 1264 #define PVR_ICESTAR 0x0036 1265 #define PVR_SSTAR 0x0037 1266 #define PVR_POWER4p 0x0038 1267 #define PVR_970 0x0039 1268 #define PVR_POWER5 0x003A 1269 #define PVR_POWER5p 0x003B 1270 #define PVR_970FX 0x003C 1271 #define PVR_POWER6 0x003E 1272 #define PVR_POWER7 0x003F 1273 #define PVR_630 0x0040 1274 #define PVR_630p 0x0041 1275 #define PVR_970MP 0x0044 1276 #define PVR_970GX 0x0045 1277 #define PVR_POWER7p 0x004A 1278 #define PVR_POWER8E 0x004B 1279 #define PVR_POWER8NVL 0x004C 1280 #define PVR_POWER8 0x004D 1281 #define PVR_POWER9 0x004E 1282 #define PVR_BE 0x0070 1283 #define PVR_PA6T 0x0090 1284 1285 /* "Logical" PVR values defined in PAPR, representing architecture levels */ 1286 #define PVR_ARCH_204 0x0f000001 1287 #define PVR_ARCH_205 0x0f000002 1288 #define PVR_ARCH_206 0x0f000003 1289 #define PVR_ARCH_206p 0x0f100003 1290 #define PVR_ARCH_207 0x0f000004 1291 #define PVR_ARCH_300 0x0f000005 1292 1293 /* Macros for setting and retrieving special purpose registers */ 1294 #ifndef __ASSEMBLY__ 1295 #define mfmsr() ({unsigned long rval; \ 1296 asm volatile("mfmsr %0" : "=r" (rval) : \ 1297 : "memory"); rval;}) 1298 #ifdef CONFIG_PPC_BOOK3S_64 1299 #define __mtmsrd(v, l) asm volatile("mtmsrd %0," __stringify(l) \ 1300 : : "r" (v) : "memory") 1301 #define mtmsr(v) __mtmsrd((v), 0) 1302 #define __MTMSR "mtmsrd" 1303 #else 1304 #define mtmsr(v) asm volatile("mtmsr %0" : \ 1305 : "r" ((unsigned long)(v)) \ 1306 : "memory") 1307 #define __MTMSR "mtmsr" 1308 #endif 1309 1310 static inline void mtmsr_isync(unsigned long val) 1311 { 1312 asm volatile(__MTMSR " %0; " ASM_FTR_IFCLR("isync", "nop", %1) : : 1313 "r" (val), "i" (CPU_FTR_ARCH_206) : "memory"); 1314 } 1315 1316 #define mfspr(rn) ({unsigned long rval; \ 1317 asm volatile("mfspr %0," __stringify(rn) \ 1318 : "=r" (rval)); rval;}) 1319 #ifndef mtspr 1320 #define mtspr(rn, v) asm volatile("mtspr " __stringify(rn) ",%0" : \ 1321 : "r" ((unsigned long)(v)) \ 1322 : "memory") 1323 #endif 1324 #define wrtspr(rn) asm volatile("mtspr " __stringify(rn) ",0" : \ 1325 : : "memory") 1326 1327 extern unsigned long msr_check_and_set(unsigned long bits); 1328 extern bool strict_msr_control; 1329 extern void __msr_check_and_clear(unsigned long bits); 1330 static inline void msr_check_and_clear(unsigned long bits) 1331 { 1332 if (strict_msr_control) 1333 __msr_check_and_clear(bits); 1334 } 1335 1336 #ifdef __powerpc64__ 1337 #if defined(CONFIG_PPC_CELL) || defined(CONFIG_PPC_FSL_BOOK3E) 1338 #define mftb() ({unsigned long rval; \ 1339 asm volatile( \ 1340 "90: mfspr %0, %2;\n" \ 1341 "97: cmpwi %0,0;\n" \ 1342 " beq- 90b;\n" \ 1343 "99:\n" \ 1344 ".section __ftr_fixup,\"a\"\n" \ 1345 ".align 3\n" \ 1346 "98:\n" \ 1347 " .8byte %1\n" \ 1348 " .8byte %1\n" \ 1349 " .8byte 97b-98b\n" \ 1350 " .8byte 99b-98b\n" \ 1351 " .8byte 0\n" \ 1352 " .8byte 0\n" \ 1353 ".previous" \ 1354 : "=r" (rval) \ 1355 : "i" (CPU_FTR_CELL_TB_BUG), "i" (SPRN_TBRL) : "cr0"); \ 1356 rval;}) 1357 #else 1358 #define mftb() ({unsigned long rval; \ 1359 asm volatile("mfspr %0, %1" : \ 1360 "=r" (rval) : "i" (SPRN_TBRL)); rval;}) 1361 #endif /* !CONFIG_PPC_CELL */ 1362 1363 #else /* __powerpc64__ */ 1364 1365 #if defined(CONFIG_PPC_8xx) 1366 #define mftbl() ({unsigned long rval; \ 1367 asm volatile("mftbl %0" : "=r" (rval)); rval;}) 1368 #define mftbu() ({unsigned long rval; \ 1369 asm volatile("mftbu %0" : "=r" (rval)); rval;}) 1370 #else 1371 #define mftbl() ({unsigned long rval; \ 1372 asm volatile("mfspr %0, %1" : "=r" (rval) : \ 1373 "i" (SPRN_TBRL)); rval;}) 1374 #define mftbu() ({unsigned long rval; \ 1375 asm volatile("mfspr %0, %1" : "=r" (rval) : \ 1376 "i" (SPRN_TBRU)); rval;}) 1377 #endif 1378 #define mftb() mftbl() 1379 #endif /* !__powerpc64__ */ 1380 1381 #define mttbl(v) asm volatile("mttbl %0":: "r"(v)) 1382 #define mttbu(v) asm volatile("mttbu %0":: "r"(v)) 1383 1384 #ifdef CONFIG_PPC32 1385 #define mfsrin(v) ({unsigned int rval; \ 1386 asm volatile("mfsrin %0,%1" : "=r" (rval) : "r" (v)); \ 1387 rval;}) 1388 #endif 1389 1390 #define proc_trap() asm volatile("trap") 1391 1392 extern unsigned long current_stack_pointer(void); 1393 1394 extern unsigned long scom970_read(unsigned int address); 1395 extern void scom970_write(unsigned int address, unsigned long value); 1396 1397 struct pt_regs; 1398 1399 extern void ppc_save_regs(struct pt_regs *regs); 1400 1401 static inline void update_power8_hid0(unsigned long hid0) 1402 { 1403 /* 1404 * The HID0 update on Power8 should at the very least be 1405 * preceded by a a SYNC instruction followed by an ISYNC 1406 * instruction 1407 */ 1408 asm volatile("sync; mtspr %0,%1; isync":: "i"(SPRN_HID0), "r"(hid0)); 1409 } 1410 #endif /* __ASSEMBLY__ */ 1411 #endif /* __KERNEL__ */ 1412 #endif /* _ASM_POWERPC_REG_H */ 1413