at v2.6.26-rc2 780 lines 35 kB view raw
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_8xx 26#include <asm/reg_8xx.h> 27#endif /* CONFIG_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_VEC_LG 25 /* Enable AltiVec */ 33#define MSR_POW_LG 18 /* Enable Power Management */ 34#define MSR_WE_LG 18 /* Wait State Enable */ 35#define MSR_TGPR_LG 17 /* TLB Update registers in use */ 36#define MSR_CE_LG 17 /* Critical Interrupt Enable */ 37#define MSR_ILE_LG 16 /* Interrupt Little Endian */ 38#define MSR_EE_LG 15 /* External Interrupt Enable */ 39#define MSR_PR_LG 14 /* Problem State / Privilege Level */ 40#define MSR_FP_LG 13 /* Floating Point enable */ 41#define MSR_ME_LG 12 /* Machine Check Enable */ 42#define MSR_FE0_LG 11 /* Floating Exception mode 0 */ 43#define MSR_SE_LG 10 /* Single Step */ 44#define MSR_BE_LG 9 /* Branch Trace */ 45#define MSR_DE_LG 9 /* Debug Exception Enable */ 46#define MSR_FE1_LG 8 /* Floating Exception mode 1 */ 47#define MSR_IP_LG 6 /* Exception prefix 0x000/0xFFF */ 48#define MSR_IR_LG 5 /* Instruction Relocate */ 49#define MSR_DR_LG 4 /* Data Relocate */ 50#define MSR_PE_LG 3 /* Protection Enable */ 51#define MSR_PX_LG 2 /* Protection Exclusive Mode */ 52#define MSR_PMM_LG 2 /* Performance monitor */ 53#define MSR_RI_LG 1 /* Recoverable Exception */ 54#define MSR_LE_LG 0 /* Little Endian */ 55 56#ifdef __ASSEMBLY__ 57#define __MASK(X) (1<<(X)) 58#else 59#define __MASK(X) (1UL<<(X)) 60#endif 61 62#ifdef CONFIG_PPC64 63#define MSR_SF __MASK(MSR_SF_LG) /* Enable 64 bit mode */ 64#define MSR_ISF __MASK(MSR_ISF_LG) /* Interrupt 64b mode valid on 630 */ 65#define MSR_HV __MASK(MSR_HV_LG) /* Hypervisor state */ 66#else 67/* so tests for these bits fail on 32-bit */ 68#define MSR_SF 0 69#define MSR_ISF 0 70#define MSR_HV 0 71#endif 72 73#define MSR_VEC __MASK(MSR_VEC_LG) /* Enable AltiVec */ 74#define MSR_POW __MASK(MSR_POW_LG) /* Enable Power Management */ 75#define MSR_WE __MASK(MSR_WE_LG) /* Wait State Enable */ 76#define MSR_TGPR __MASK(MSR_TGPR_LG) /* TLB Update registers in use */ 77#define MSR_CE __MASK(MSR_CE_LG) /* Critical Interrupt Enable */ 78#define MSR_ILE __MASK(MSR_ILE_LG) /* Interrupt Little Endian */ 79#define MSR_EE __MASK(MSR_EE_LG) /* External Interrupt Enable */ 80#define MSR_PR __MASK(MSR_PR_LG) /* Problem State / Privilege Level */ 81#define MSR_FP __MASK(MSR_FP_LG) /* Floating Point enable */ 82#define MSR_ME __MASK(MSR_ME_LG) /* Machine Check Enable */ 83#define MSR_FE0 __MASK(MSR_FE0_LG) /* Floating Exception mode 0 */ 84#define MSR_SE __MASK(MSR_SE_LG) /* Single Step */ 85#define MSR_BE __MASK(MSR_BE_LG) /* Branch Trace */ 86#define MSR_DE __MASK(MSR_DE_LG) /* Debug Exception Enable */ 87#define MSR_FE1 __MASK(MSR_FE1_LG) /* Floating Exception mode 1 */ 88#define MSR_IP __MASK(MSR_IP_LG) /* Exception prefix 0x000/0xFFF */ 89#define MSR_IR __MASK(MSR_IR_LG) /* Instruction Relocate */ 90#define MSR_DR __MASK(MSR_DR_LG) /* Data Relocate */ 91#define MSR_PE __MASK(MSR_PE_LG) /* Protection Enable */ 92#define MSR_PX __MASK(MSR_PX_LG) /* Protection Exclusive Mode */ 93#ifndef MSR_PMM 94#define MSR_PMM __MASK(MSR_PMM_LG) /* Performance monitor */ 95#endif 96#define MSR_RI __MASK(MSR_RI_LG) /* Recoverable Exception */ 97#define MSR_LE __MASK(MSR_LE_LG) /* Little Endian */ 98 99#ifdef CONFIG_PPC64 100#define MSR_ MSR_ME | MSR_RI | MSR_IR | MSR_DR | MSR_ISF |MSR_HV 101#define MSR_KERNEL MSR_ | MSR_SF 102 103#define MSR_USER32 MSR_ | MSR_PR | MSR_EE 104#define MSR_USER64 MSR_USER32 | MSR_SF 105 106#else /* 32-bit */ 107/* Default MSR for kernel mode. */ 108#ifndef MSR_KERNEL /* reg_booke.h also defines this */ 109#define MSR_KERNEL (MSR_ME|MSR_RI|MSR_IR|MSR_DR) 110#endif 111 112#define MSR_USER (MSR_KERNEL|MSR_PR|MSR_EE) 113#endif 114 115/* Floating Point Status and Control Register (FPSCR) Fields */ 116#define FPSCR_FX 0x80000000 /* FPU exception summary */ 117#define FPSCR_FEX 0x40000000 /* FPU enabled exception summary */ 118#define FPSCR_VX 0x20000000 /* Invalid operation summary */ 119#define FPSCR_OX 0x10000000 /* Overflow exception summary */ 120#define FPSCR_UX 0x08000000 /* Underflow exception summary */ 121#define FPSCR_ZX 0x04000000 /* Zero-divide exception summary */ 122#define FPSCR_XX 0x02000000 /* Inexact exception summary */ 123#define FPSCR_VXSNAN 0x01000000 /* Invalid op for SNaN */ 124#define FPSCR_VXISI 0x00800000 /* Invalid op for Inv - Inv */ 125#define FPSCR_VXIDI 0x00400000 /* Invalid op for Inv / Inv */ 126#define FPSCR_VXZDZ 0x00200000 /* Invalid op for Zero / Zero */ 127#define FPSCR_VXIMZ 0x00100000 /* Invalid op for Inv * Zero */ 128#define FPSCR_VXVC 0x00080000 /* Invalid op for Compare */ 129#define FPSCR_FR 0x00040000 /* Fraction rounded */ 130#define FPSCR_FI 0x00020000 /* Fraction inexact */ 131#define FPSCR_FPRF 0x0001f000 /* FPU Result Flags */ 132#define FPSCR_FPCC 0x0000f000 /* FPU Condition Codes */ 133#define FPSCR_VXSOFT 0x00000400 /* Invalid op for software request */ 134#define FPSCR_VXSQRT 0x00000200 /* Invalid op for square root */ 135#define FPSCR_VXCVI 0x00000100 /* Invalid op for integer convert */ 136#define FPSCR_VE 0x00000080 /* Invalid op exception enable */ 137#define FPSCR_OE 0x00000040 /* IEEE overflow exception enable */ 138#define FPSCR_UE 0x00000020 /* IEEE underflow exception enable */ 139#define FPSCR_ZE 0x00000010 /* IEEE zero divide exception enable */ 140#define FPSCR_XE 0x00000008 /* FP inexact exception enable */ 141#define FPSCR_NI 0x00000004 /* FPU non IEEE-Mode */ 142#define FPSCR_RN 0x00000003 /* FPU rounding control */ 143 144/* Special Purpose Registers (SPRNs)*/ 145#define SPRN_CTR 0x009 /* Count Register */ 146#define SPRN_DSCR 0x11 147#define SPRN_CTRLF 0x088 148#define SPRN_CTRLT 0x098 149#define CTRL_CT 0xc0000000 /* current thread */ 150#define CTRL_CT0 0x80000000 /* thread 0 */ 151#define CTRL_CT1 0x40000000 /* thread 1 */ 152#define CTRL_TE 0x00c00000 /* thread enable */ 153#define CTRL_RUNLATCH 0x1 154#define SPRN_DABR 0x3F5 /* Data Address Breakpoint Register */ 155#define DABR_TRANSLATION (1UL << 2) 156#define SPRN_DABRX 0x3F7 /* Data Address Breakpoint Register Extension */ 157#define DABRX_USER (1UL << 0) 158#define DABRX_KERNEL (1UL << 1) 159#define SPRN_DAR 0x013 /* Data Address Register */ 160#define SPRN_DSISR 0x012 /* Data Storage Interrupt Status Register */ 161#define DSISR_NOHPTE 0x40000000 /* no translation found */ 162#define DSISR_PROTFAULT 0x08000000 /* protection fault */ 163#define DSISR_ISSTORE 0x02000000 /* access was a store */ 164#define DSISR_DABRMATCH 0x00400000 /* hit data breakpoint */ 165#define DSISR_NOSEGMENT 0x00200000 /* STAB/SLB miss */ 166#define SPRN_TBRL 0x10C /* Time Base Read Lower Register (user, R/O) */ 167#define SPRN_TBRU 0x10D /* Time Base Read Upper Register (user, R/O) */ 168#define SPRN_TBWL 0x11C /* Time Base Lower Register (super, R/W) */ 169#define SPRN_TBWU 0x11D /* Time Base Upper Register (super, R/W) */ 170#define SPRN_SPURR 0x134 /* Scaled PURR */ 171#define SPRN_HIOR 0x137 /* 970 Hypervisor interrupt offset */ 172#define SPRN_LPCR 0x13E /* LPAR Control Register */ 173#define SPRN_DBAT0L 0x219 /* Data BAT 0 Lower Register */ 174#define SPRN_DBAT0U 0x218 /* Data BAT 0 Upper Register */ 175#define SPRN_DBAT1L 0x21B /* Data BAT 1 Lower Register */ 176#define SPRN_DBAT1U 0x21A /* Data BAT 1 Upper Register */ 177#define SPRN_DBAT2L 0x21D /* Data BAT 2 Lower Register */ 178#define SPRN_DBAT2U 0x21C /* Data BAT 2 Upper Register */ 179#define SPRN_DBAT3L 0x21F /* Data BAT 3 Lower Register */ 180#define SPRN_DBAT3U 0x21E /* Data BAT 3 Upper Register */ 181#define SPRN_DBAT4L 0x239 /* Data BAT 4 Lower Register */ 182#define SPRN_DBAT4U 0x238 /* Data BAT 4 Upper Register */ 183#define SPRN_DBAT5L 0x23B /* Data BAT 5 Lower Register */ 184#define SPRN_DBAT5U 0x23A /* Data BAT 5 Upper Register */ 185#define SPRN_DBAT6L 0x23D /* Data BAT 6 Lower Register */ 186#define SPRN_DBAT6U 0x23C /* Data BAT 6 Upper Register */ 187#define SPRN_DBAT7L 0x23F /* Data BAT 7 Lower Register */ 188#define SPRN_DBAT7U 0x23E /* Data BAT 7 Upper Register */ 189 190#define SPRN_DEC 0x016 /* Decrement Register */ 191#define SPRN_DER 0x095 /* Debug Enable Regsiter */ 192#define DER_RSTE 0x40000000 /* Reset Interrupt */ 193#define DER_CHSTPE 0x20000000 /* Check Stop */ 194#define DER_MCIE 0x10000000 /* Machine Check Interrupt */ 195#define DER_EXTIE 0x02000000 /* External Interrupt */ 196#define DER_ALIE 0x01000000 /* Alignment Interrupt */ 197#define DER_PRIE 0x00800000 /* Program Interrupt */ 198#define DER_FPUVIE 0x00400000 /* FP Unavailable Interrupt */ 199#define DER_DECIE 0x00200000 /* Decrementer Interrupt */ 200#define DER_SYSIE 0x00040000 /* System Call Interrupt */ 201#define DER_TRE 0x00020000 /* Trace Interrupt */ 202#define DER_SEIE 0x00004000 /* FP SW Emulation Interrupt */ 203#define DER_ITLBMSE 0x00002000 /* Imp. Spec. Instruction TLB Miss */ 204#define DER_ITLBERE 0x00001000 /* Imp. Spec. Instruction TLB Error */ 205#define DER_DTLBMSE 0x00000800 /* Imp. Spec. Data TLB Miss */ 206#define DER_DTLBERE 0x00000400 /* Imp. Spec. Data TLB Error */ 207#define DER_LBRKE 0x00000008 /* Load/Store Breakpoint Interrupt */ 208#define DER_IBRKE 0x00000004 /* Instruction Breakpoint Interrupt */ 209#define DER_EBRKE 0x00000002 /* External Breakpoint Interrupt */ 210#define DER_DPIE 0x00000001 /* Dev. Port Nonmaskable Request */ 211#define SPRN_DMISS 0x3D0 /* Data TLB Miss Register */ 212#define SPRN_EAR 0x11A /* External Address Register */ 213#define SPRN_HASH1 0x3D2 /* Primary Hash Address Register */ 214#define SPRN_HASH2 0x3D3 /* Secondary Hash Address Resgister */ 215#define SPRN_HID0 0x3F0 /* Hardware Implementation Register 0 */ 216#define HID0_EMCP (1<<31) /* Enable Machine Check pin */ 217#define HID0_EBA (1<<29) /* Enable Bus Address Parity */ 218#define HID0_EBD (1<<28) /* Enable Bus Data Parity */ 219#define HID0_SBCLK (1<<27) 220#define HID0_EICE (1<<26) 221#define HID0_TBEN (1<<26) /* Timebase enable - 745x */ 222#define HID0_ECLK (1<<25) 223#define HID0_PAR (1<<24) 224#define HID0_STEN (1<<24) /* Software table search enable - 745x */ 225#define HID0_HIGH_BAT (1<<23) /* Enable high BATs - 7455 */ 226#define HID0_DOZE (1<<23) 227#define HID0_NAP (1<<22) 228#define HID0_SLEEP (1<<21) 229#define HID0_DPM (1<<20) 230#define HID0_BHTCLR (1<<18) /* Clear branch history table - 7450 */ 231#define HID0_XAEN (1<<17) /* Extended addressing enable - 7450 */ 232#define HID0_NHR (1<<16) /* Not hard reset (software bit-7450)*/ 233#define HID0_ICE (1<<15) /* Instruction Cache Enable */ 234#define HID0_DCE (1<<14) /* Data Cache Enable */ 235#define HID0_ILOCK (1<<13) /* Instruction Cache Lock */ 236#define HID0_DLOCK (1<<12) /* Data Cache Lock */ 237#define HID0_ICFI (1<<11) /* Instr. Cache Flash Invalidate */ 238#define HID0_DCI (1<<10) /* Data Cache Invalidate */ 239#define HID0_SPD (1<<9) /* Speculative disable */ 240#define HID0_DAPUEN (1<<8) /* Debug APU enable */ 241#define HID0_SGE (1<<7) /* Store Gathering Enable */ 242#define HID0_SIED (1<<7) /* Serial Instr. Execution [Disable] */ 243#define HID0_DFCA (1<<6) /* Data Cache Flush Assist */ 244#define HID0_LRSTK (1<<4) /* Link register stack - 745x */ 245#define HID0_BTIC (1<<5) /* Branch Target Instr Cache Enable */ 246#define HID0_ABE (1<<3) /* Address Broadcast Enable */ 247#define HID0_FOLD (1<<3) /* Branch Folding enable - 745x */ 248#define HID0_BHTE (1<<2) /* Branch History Table Enable */ 249#define HID0_BTCD (1<<1) /* Branch target cache disable */ 250#define HID0_NOPDST (1<<1) /* No-op dst, dstt, etc. instr. */ 251#define HID0_NOPTI (1<<0) /* No-op dcbt and dcbst instr. */ 252 253#define SPRN_HID1 0x3F1 /* Hardware Implementation Register 1 */ 254#define HID1_EMCP (1<<31) /* 7450 Machine Check Pin Enable */ 255#define HID1_DFS (1<<22) /* 7447A Dynamic Frequency Scaling */ 256#define HID1_PC0 (1<<16) /* 7450 PLL_CFG[0] */ 257#define HID1_PC1 (1<<15) /* 7450 PLL_CFG[1] */ 258#define HID1_PC2 (1<<14) /* 7450 PLL_CFG[2] */ 259#define HID1_PC3 (1<<13) /* 7450 PLL_CFG[3] */ 260#define HID1_SYNCBE (1<<11) /* 7450 ABE for sync, eieio */ 261#define HID1_ABE (1<<10) /* 7450 Address Broadcast Enable */ 262#define HID1_PS (1<<16) /* 750FX PLL selection */ 263#define SPRN_HID2 0x3F8 /* Hardware Implementation Register 2 */ 264#define SPRN_IABR 0x3F2 /* Instruction Address Breakpoint Register */ 265#define SPRN_HID4 0x3F4 /* 970 HID4 */ 266#define SPRN_HID5 0x3F6 /* 970 HID5 */ 267#define SPRN_HID6 0x3F9 /* BE HID 6 */ 268#define HID6_LB (0x0F<<12) /* Concurrent Large Page Modes */ 269#define HID6_DLP (1<<20) /* Disable all large page modes (4K only) */ 270#define SPRN_TSC_CELL 0x399 /* Thread switch control on Cell */ 271#define TSC_CELL_DEC_ENABLE_0 0x400000 /* Decrementer Interrupt */ 272#define TSC_CELL_DEC_ENABLE_1 0x200000 /* Decrementer Interrupt */ 273#define TSC_CELL_EE_ENABLE 0x100000 /* External Interrupt */ 274#define TSC_CELL_EE_BOOST 0x080000 /* External Interrupt Boost */ 275#define SPRN_TSC 0x3FD /* Thread switch control on others */ 276#define SPRN_TST 0x3FC /* Thread switch timeout on others */ 277#if !defined(SPRN_IAC1) && !defined(SPRN_IAC2) 278#define SPRN_IAC1 0x3F4 /* Instruction Address Compare 1 */ 279#define SPRN_IAC2 0x3F5 /* Instruction Address Compare 2 */ 280#endif 281#define SPRN_IBAT0L 0x211 /* Instruction BAT 0 Lower Register */ 282#define SPRN_IBAT0U 0x210 /* Instruction BAT 0 Upper Register */ 283#define SPRN_IBAT1L 0x213 /* Instruction BAT 1 Lower Register */ 284#define SPRN_IBAT1U 0x212 /* Instruction BAT 1 Upper Register */ 285#define SPRN_IBAT2L 0x215 /* Instruction BAT 2 Lower Register */ 286#define SPRN_IBAT2U 0x214 /* Instruction BAT 2 Upper Register */ 287#define SPRN_IBAT3L 0x217 /* Instruction BAT 3 Lower Register */ 288#define SPRN_IBAT3U 0x216 /* Instruction BAT 3 Upper Register */ 289#define SPRN_IBAT4L 0x231 /* Instruction BAT 4 Lower Register */ 290#define SPRN_IBAT4U 0x230 /* Instruction BAT 4 Upper Register */ 291#define SPRN_IBAT5L 0x233 /* Instruction BAT 5 Lower Register */ 292#define SPRN_IBAT5U 0x232 /* Instruction BAT 5 Upper Register */ 293#define SPRN_IBAT6L 0x235 /* Instruction BAT 6 Lower Register */ 294#define SPRN_IBAT6U 0x234 /* Instruction BAT 6 Upper Register */ 295#define SPRN_IBAT7L 0x237 /* Instruction BAT 7 Lower Register */ 296#define SPRN_IBAT7U 0x236 /* Instruction BAT 7 Upper Register */ 297#define SPRN_ICMP 0x3D5 /* Instruction TLB Compare Register */ 298#define SPRN_ICTC 0x3FB /* Instruction Cache Throttling Control Reg */ 299#define SPRN_ICTRL 0x3F3 /* 1011 7450 icache and interrupt ctrl */ 300#define ICTRL_EICE 0x08000000 /* enable icache parity errs */ 301#define ICTRL_EDC 0x04000000 /* enable dcache parity errs */ 302#define ICTRL_EICP 0x00000100 /* enable icache par. check */ 303#define SPRN_IMISS 0x3D4 /* Instruction TLB Miss Register */ 304#define SPRN_IMMR 0x27E /* Internal Memory Map Register */ 305#define SPRN_L2CR 0x3F9 /* Level 2 Cache Control Regsiter */ 306#define SPRN_L2CR2 0x3f8 307#define L2CR_L2E 0x80000000 /* L2 enable */ 308#define L2CR_L2PE 0x40000000 /* L2 parity enable */ 309#define L2CR_L2SIZ_MASK 0x30000000 /* L2 size mask */ 310#define L2CR_L2SIZ_256KB 0x10000000 /* L2 size 256KB */ 311#define L2CR_L2SIZ_512KB 0x20000000 /* L2 size 512KB */ 312#define L2CR_L2SIZ_1MB 0x30000000 /* L2 size 1MB */ 313#define L2CR_L2CLK_MASK 0x0e000000 /* L2 clock mask */ 314#define L2CR_L2CLK_DISABLED 0x00000000 /* L2 clock disabled */ 315#define L2CR_L2CLK_DIV1 0x02000000 /* L2 clock / 1 */ 316#define L2CR_L2CLK_DIV1_5 0x04000000 /* L2 clock / 1.5 */ 317#define L2CR_L2CLK_DIV2 0x08000000 /* L2 clock / 2 */ 318#define L2CR_L2CLK_DIV2_5 0x0a000000 /* L2 clock / 2.5 */ 319#define L2CR_L2CLK_DIV3 0x0c000000 /* L2 clock / 3 */ 320#define L2CR_L2RAM_MASK 0x01800000 /* L2 RAM type mask */ 321#define L2CR_L2RAM_FLOW 0x00000000 /* L2 RAM flow through */ 322#define L2CR_L2RAM_PIPE 0x01000000 /* L2 RAM pipelined */ 323#define L2CR_L2RAM_PIPE_LW 0x01800000 /* L2 RAM pipelined latewr */ 324#define L2CR_L2DO 0x00400000 /* L2 data only */ 325#define L2CR_L2I 0x00200000 /* L2 global invalidate */ 326#define L2CR_L2CTL 0x00100000 /* L2 RAM control */ 327#define L2CR_L2WT 0x00080000 /* L2 write-through */ 328#define L2CR_L2TS 0x00040000 /* L2 test support */ 329#define L2CR_L2OH_MASK 0x00030000 /* L2 output hold mask */ 330#define L2CR_L2OH_0_5 0x00000000 /* L2 output hold 0.5 ns */ 331#define L2CR_L2OH_1_0 0x00010000 /* L2 output hold 1.0 ns */ 332#define L2CR_L2SL 0x00008000 /* L2 DLL slow */ 333#define L2CR_L2DF 0x00004000 /* L2 differential clock */ 334#define L2CR_L2BYP 0x00002000 /* L2 DLL bypass */ 335#define L2CR_L2IP 0x00000001 /* L2 GI in progress */ 336#define L2CR_L2IO_745x 0x00100000 /* L2 instr. only (745x) */ 337#define L2CR_L2DO_745x 0x00010000 /* L2 data only (745x) */ 338#define L2CR_L2REP_745x 0x00001000 /* L2 repl. algorithm (745x) */ 339#define L2CR_L2HWF_745x 0x00000800 /* L2 hardware flush (745x) */ 340#define SPRN_L3CR 0x3FA /* Level 3 Cache Control Regsiter */ 341#define L3CR_L3E 0x80000000 /* L3 enable */ 342#define L3CR_L3PE 0x40000000 /* L3 data parity enable */ 343#define L3CR_L3APE 0x20000000 /* L3 addr parity enable */ 344#define L3CR_L3SIZ 0x10000000 /* L3 size */ 345#define L3CR_L3CLKEN 0x08000000 /* L3 clock enable */ 346#define L3CR_L3RES 0x04000000 /* L3 special reserved bit */ 347#define L3CR_L3CLKDIV 0x03800000 /* L3 clock divisor */ 348#define L3CR_L3IO 0x00400000 /* L3 instruction only */ 349#define L3CR_L3SPO 0x00040000 /* L3 sample point override */ 350#define L3CR_L3CKSP 0x00030000 /* L3 clock sample point */ 351#define L3CR_L3PSP 0x0000e000 /* L3 P-clock sample point */ 352#define L3CR_L3REP 0x00001000 /* L3 replacement algorithm */ 353#define L3CR_L3HWF 0x00000800 /* L3 hardware flush */ 354#define L3CR_L3I 0x00000400 /* L3 global invalidate */ 355#define L3CR_L3RT 0x00000300 /* L3 SRAM type */ 356#define L3CR_L3NIRCA 0x00000080 /* L3 non-integer ratio clock adj. */ 357#define L3CR_L3DO 0x00000040 /* L3 data only mode */ 358#define L3CR_PMEN 0x00000004 /* L3 private memory enable */ 359#define L3CR_PMSIZ 0x00000001 /* L3 private memory size */ 360 361#define SPRN_MSSCR0 0x3f6 /* Memory Subsystem Control Register 0 */ 362#define SPRN_MSSSR0 0x3f7 /* Memory Subsystem Status Register 1 */ 363#define SPRN_LDSTCR 0x3f8 /* Load/Store control register */ 364#define SPRN_LDSTDB 0x3f4 /* */ 365#define SPRN_LR 0x008 /* Link Register */ 366#ifndef SPRN_PIR 367#define SPRN_PIR 0x3FF /* Processor Identification Register */ 368#endif 369#define SPRN_PTEHI 0x3D5 /* 981 7450 PTE HI word (S/W TLB load) */ 370#define SPRN_PTELO 0x3D6 /* 982 7450 PTE LO word (S/W TLB load) */ 371#define SPRN_PURR 0x135 /* Processor Utilization of Resources Reg */ 372#define SPRN_PVR 0x11F /* Processor Version Register */ 373#define SPRN_RPA 0x3D6 /* Required Physical Address Register */ 374#define SPRN_SDA 0x3BF /* Sampled Data Address Register */ 375#define SPRN_SDR1 0x019 /* MMU Hash Base Register */ 376#define SPRN_ASR 0x118 /* Address Space Register */ 377#define SPRN_SIA 0x3BB /* Sampled Instruction Address Register */ 378#define SPRN_SPRG0 0x110 /* Special Purpose Register General 0 */ 379#define SPRN_SPRG1 0x111 /* Special Purpose Register General 1 */ 380#define SPRN_SPRG2 0x112 /* Special Purpose Register General 2 */ 381#define SPRN_SPRG3 0x113 /* Special Purpose Register General 3 */ 382#define SPRN_SPRG4 0x114 /* Special Purpose Register General 4 */ 383#define SPRN_SPRG5 0x115 /* Special Purpose Register General 5 */ 384#define SPRN_SPRG6 0x116 /* Special Purpose Register General 6 */ 385#define SPRN_SPRG7 0x117 /* Special Purpose Register General 7 */ 386#define SPRN_SRR0 0x01A /* Save/Restore Register 0 */ 387#define SPRN_SRR1 0x01B /* Save/Restore Register 1 */ 388#define SRR1_WAKEMASK 0x00380000 /* reason for wakeup */ 389#define SRR1_WAKERESET 0x00380000 /* System reset */ 390#define SRR1_WAKESYSERR 0x00300000 /* System error */ 391#define SRR1_WAKEEE 0x00200000 /* External interrupt */ 392#define SRR1_WAKEMT 0x00280000 /* mtctrl */ 393#define SRR1_WAKEDEC 0x00180000 /* Decrementer interrupt */ 394#define SRR1_WAKETHERM 0x00100000 /* Thermal management interrupt */ 395#define SPRN_HSRR0 0x13A /* Save/Restore Register 0 */ 396#define SPRN_HSRR1 0x13B /* Save/Restore Register 1 */ 397 398#define SPRN_TBCTL 0x35f /* PA6T Timebase control register */ 399#define TBCTL_FREEZE 0x0000000000000000ull /* Freeze all tbs */ 400#define TBCTL_RESTART 0x0000000100000000ull /* Restart all tbs */ 401#define TBCTL_UPDATE_UPPER 0x0000000200000000ull /* Set upper 32 bits */ 402#define TBCTL_UPDATE_LOWER 0x0000000300000000ull /* Set lower 32 bits */ 403 404#ifndef SPRN_SVR 405#define SPRN_SVR 0x11E /* System Version Register */ 406#endif 407#define SPRN_THRM1 0x3FC /* Thermal Management Register 1 */ 408/* these bits were defined in inverted endian sense originally, ugh, confusing */ 409#define THRM1_TIN (1 << 31) 410#define THRM1_TIV (1 << 30) 411#define THRM1_THRES(x) ((x&0x7f)<<23) 412#define THRM3_SITV(x) ((x&0x3fff)<<1) 413#define THRM1_TID (1<<2) 414#define THRM1_TIE (1<<1) 415#define THRM1_V (1<<0) 416#define SPRN_THRM2 0x3FD /* Thermal Management Register 2 */ 417#define SPRN_THRM3 0x3FE /* Thermal Management Register 3 */ 418#define THRM3_E (1<<0) 419#define SPRN_TLBMISS 0x3D4 /* 980 7450 TLB Miss Register */ 420#define SPRN_UMMCR0 0x3A8 /* User Monitor Mode Control Register 0 */ 421#define SPRN_UMMCR1 0x3AC /* User Monitor Mode Control Register 0 */ 422#define SPRN_UPMC1 0x3A9 /* User Performance Counter Register 1 */ 423#define SPRN_UPMC2 0x3AA /* User Performance Counter Register 2 */ 424#define SPRN_UPMC3 0x3AD /* User Performance Counter Register 3 */ 425#define SPRN_UPMC4 0x3AE /* User Performance Counter Register 4 */ 426#define SPRN_USIA 0x3AB /* User Sampled Instruction Address Register */ 427#define SPRN_VRSAVE 0x100 /* Vector Register Save Register */ 428#define SPRN_XER 0x001 /* Fixed Point Exception Register */ 429 430#define SPRN_SCOMC 0x114 /* SCOM Access Control */ 431#define SPRN_SCOMD 0x115 /* SCOM Access DATA */ 432 433/* Performance monitor SPRs */ 434#ifdef CONFIG_PPC64 435#define SPRN_MMCR0 795 436#define MMCR0_FC 0x80000000UL /* freeze counters */ 437#define MMCR0_FCS 0x40000000UL /* freeze in supervisor state */ 438#define MMCR0_KERNEL_DISABLE MMCR0_FCS 439#define MMCR0_FCP 0x20000000UL /* freeze in problem state */ 440#define MMCR0_PROBLEM_DISABLE MMCR0_FCP 441#define MMCR0_FCM1 0x10000000UL /* freeze counters while MSR mark = 1 */ 442#define MMCR0_FCM0 0x08000000UL /* freeze counters while MSR mark = 0 */ 443#define MMCR0_PMXE 0x04000000UL /* performance monitor exception enable */ 444#define MMCR0_FCECE 0x02000000UL /* freeze ctrs on enabled cond or event */ 445#define MMCR0_TBEE 0x00400000UL /* time base exception enable */ 446#define MMCR0_PMC1CE 0x00008000UL /* PMC1 count enable*/ 447#define MMCR0_PMCjCE 0x00004000UL /* PMCj count enable*/ 448#define MMCR0_TRIGGER 0x00002000UL /* TRIGGER enable */ 449#define MMCR0_PMAO 0x00000080UL /* performance monitor alert has occurred, set to 0 after handling exception */ 450#define MMCR0_SHRFC 0x00000040UL /* SHRre freeze conditions between threads */ 451#define MMCR0_FCTI 0x00000008UL /* freeze counters in tags inactive mode */ 452#define MMCR0_FCTA 0x00000004UL /* freeze counters in tags active mode */ 453#define MMCR0_FCWAIT 0x00000002UL /* freeze counter in WAIT state */ 454#define MMCR0_FCHV 0x00000001UL /* freeze conditions in hypervisor mode */ 455#define SPRN_MMCR1 798 456#define SPRN_MMCRA 0x312 457#define MMCRA_SIHV 0x10000000UL /* state of MSR HV when SIAR set */ 458#define MMCRA_SIPR 0x08000000UL /* state of MSR PR when SIAR set */ 459#define MMCRA_SLOT 0x07000000UL /* SLOT bits (37-39) */ 460#define MMCRA_SLOT_SHIFT 24 461#define MMCRA_SAMPLE_ENABLE 0x00000001UL /* enable sampling */ 462#define POWER6_MMCRA_SIHV 0x0000040000000000ULL 463#define POWER6_MMCRA_SIPR 0x0000020000000000ULL 464#define POWER6_MMCRA_THRM 0x00000020UL 465#define POWER6_MMCRA_OTHER 0x0000000EUL 466#define SPRN_PMC1 787 467#define SPRN_PMC2 788 468#define SPRN_PMC3 789 469#define SPRN_PMC4 790 470#define SPRN_PMC5 791 471#define SPRN_PMC6 792 472#define SPRN_PMC7 793 473#define SPRN_PMC8 794 474#define SPRN_SIAR 780 475#define SPRN_SDAR 781 476 477#define SPRN_PA6T_MMCR0 795 478#define PA6T_MMCR0_EN0 0x0000000000000001UL 479#define PA6T_MMCR0_EN1 0x0000000000000002UL 480#define PA6T_MMCR0_EN2 0x0000000000000004UL 481#define PA6T_MMCR0_EN3 0x0000000000000008UL 482#define PA6T_MMCR0_EN4 0x0000000000000010UL 483#define PA6T_MMCR0_EN5 0x0000000000000020UL 484#define PA6T_MMCR0_SUPEN 0x0000000000000040UL 485#define PA6T_MMCR0_PREN 0x0000000000000080UL 486#define PA6T_MMCR0_HYPEN 0x0000000000000100UL 487#define PA6T_MMCR0_FCM0 0x0000000000000200UL 488#define PA6T_MMCR0_FCM1 0x0000000000000400UL 489#define PA6T_MMCR0_INTGEN 0x0000000000000800UL 490#define PA6T_MMCR0_INTEN0 0x0000000000001000UL 491#define PA6T_MMCR0_INTEN1 0x0000000000002000UL 492#define PA6T_MMCR0_INTEN2 0x0000000000004000UL 493#define PA6T_MMCR0_INTEN3 0x0000000000008000UL 494#define PA6T_MMCR0_INTEN4 0x0000000000010000UL 495#define PA6T_MMCR0_INTEN5 0x0000000000020000UL 496#define PA6T_MMCR0_DISCNT 0x0000000000040000UL 497#define PA6T_MMCR0_UOP 0x0000000000080000UL 498#define PA6T_MMCR0_TRG 0x0000000000100000UL 499#define PA6T_MMCR0_TRGEN 0x0000000000200000UL 500#define PA6T_MMCR0_TRGREG 0x0000000001600000UL 501#define PA6T_MMCR0_SIARLOG 0x0000000002000000UL 502#define PA6T_MMCR0_SDARLOG 0x0000000004000000UL 503#define PA6T_MMCR0_PROEN 0x0000000008000000UL 504#define PA6T_MMCR0_PROLOG 0x0000000010000000UL 505#define PA6T_MMCR0_DAMEN2 0x0000000020000000UL 506#define PA6T_MMCR0_DAMEN3 0x0000000040000000UL 507#define PA6T_MMCR0_DAMEN4 0x0000000080000000UL 508#define PA6T_MMCR0_DAMEN5 0x0000000100000000UL 509#define PA6T_MMCR0_DAMSEL2 0x0000000200000000UL 510#define PA6T_MMCR0_DAMSEL3 0x0000000400000000UL 511#define PA6T_MMCR0_DAMSEL4 0x0000000800000000UL 512#define PA6T_MMCR0_DAMSEL5 0x0000001000000000UL 513#define PA6T_MMCR0_HANDDIS 0x0000002000000000UL 514#define PA6T_MMCR0_PCTEN 0x0000004000000000UL 515#define PA6T_MMCR0_SOCEN 0x0000008000000000UL 516#define PA6T_MMCR0_SOCMOD 0x0000010000000000UL 517 518#define SPRN_PA6T_MMCR1 798 519#define PA6T_MMCR1_ES2 0x00000000000000ffUL 520#define PA6T_MMCR1_ES3 0x000000000000ff00UL 521#define PA6T_MMCR1_ES4 0x0000000000ff0000UL 522#define PA6T_MMCR1_ES5 0x00000000ff000000UL 523 524#define SPRN_PA6T_UPMC0 771 /* User PerfMon Counter 0 */ 525#define SPRN_PA6T_UPMC1 772 /* ... */ 526#define SPRN_PA6T_UPMC2 773 527#define SPRN_PA6T_UPMC3 774 528#define SPRN_PA6T_UPMC4 775 529#define SPRN_PA6T_UPMC5 776 530#define SPRN_PA6T_UMMCR0 779 /* User Monitor Mode Control Register 0 */ 531#define SPRN_PA6T_SIAR 780 /* Sampled Instruction Address */ 532#define SPRN_PA6T_UMMCR1 782 /* User Monitor Mode Control Register 1 */ 533#define SPRN_PA6T_SIER 785 /* Sampled Instruction Event Register */ 534#define SPRN_PA6T_PMC0 787 535#define SPRN_PA6T_PMC1 788 536#define SPRN_PA6T_PMC2 789 537#define SPRN_PA6T_PMC3 790 538#define SPRN_PA6T_PMC4 791 539#define SPRN_PA6T_PMC5 792 540#define SPRN_PA6T_TSR0 793 /* Timestamp Register 0 */ 541#define SPRN_PA6T_TSR1 794 /* Timestamp Register 1 */ 542#define SPRN_PA6T_TSR2 799 /* Timestamp Register 2 */ 543#define SPRN_PA6T_TSR3 784 /* Timestamp Register 3 */ 544 545#define SPRN_PA6T_IER 981 /* Icache Error Register */ 546#define SPRN_PA6T_DER 982 /* Dcache Error Register */ 547#define SPRN_PA6T_BER 862 /* BIU Error Address Register */ 548#define SPRN_PA6T_MER 849 /* MMU Error Register */ 549 550#define SPRN_PA6T_IMA0 880 /* Instruction Match Array 0 */ 551#define SPRN_PA6T_IMA1 881 /* ... */ 552#define SPRN_PA6T_IMA2 882 553#define SPRN_PA6T_IMA3 883 554#define SPRN_PA6T_IMA4 884 555#define SPRN_PA6T_IMA5 885 556#define SPRN_PA6T_IMA6 886 557#define SPRN_PA6T_IMA7 887 558#define SPRN_PA6T_IMA8 888 559#define SPRN_PA6T_IMA9 889 560#define SPRN_PA6T_BTCR 978 /* Breakpoint and Tagging Control Register */ 561#define SPRN_PA6T_IMAAT 979 /* Instruction Match Array Action Table */ 562#define SPRN_PA6T_PCCR 1019 /* Power Counter Control Register */ 563#define SPRN_BKMK 1020 /* Cell Bookmark Register */ 564#define SPRN_PA6T_RPCCR 1021 /* Retire PC Trace Control Register */ 565 566 567#else /* 32-bit */ 568#define SPRN_MMCR0 952 /* Monitor Mode Control Register 0 */ 569#define MMCR0_FC 0x80000000UL /* freeze counters */ 570#define MMCR0_FCS 0x40000000UL /* freeze in supervisor state */ 571#define MMCR0_FCP 0x20000000UL /* freeze in problem state */ 572#define MMCR0_FCM1 0x10000000UL /* freeze counters while MSR mark = 1 */ 573#define MMCR0_FCM0 0x08000000UL /* freeze counters while MSR mark = 0 */ 574#define MMCR0_PMXE 0x04000000UL /* performance monitor exception enable */ 575#define MMCR0_FCECE 0x02000000UL /* freeze ctrs on enabled cond or event */ 576#define MMCR0_TBEE 0x00400000UL /* time base exception enable */ 577#define MMCR0_PMC1CE 0x00008000UL /* PMC1 count enable*/ 578#define MMCR0_PMCnCE 0x00004000UL /* count enable for all but PMC 1*/ 579#define MMCR0_TRIGGER 0x00002000UL /* TRIGGER enable */ 580#define MMCR0_PMC1SEL 0x00001fc0UL /* PMC 1 Event */ 581#define MMCR0_PMC2SEL 0x0000003fUL /* PMC 2 Event */ 582 583#define SPRN_MMCR1 956 584#define MMCR1_PMC3SEL 0xf8000000UL /* PMC 3 Event */ 585#define MMCR1_PMC4SEL 0x07c00000UL /* PMC 4 Event */ 586#define MMCR1_PMC5SEL 0x003e0000UL /* PMC 5 Event */ 587#define MMCR1_PMC6SEL 0x0001f800UL /* PMC 6 Event */ 588#define SPRN_MMCR2 944 589#define SPRN_PMC1 953 /* Performance Counter Register 1 */ 590#define SPRN_PMC2 954 /* Performance Counter Register 2 */ 591#define SPRN_PMC3 957 /* Performance Counter Register 3 */ 592#define SPRN_PMC4 958 /* Performance Counter Register 4 */ 593#define SPRN_PMC5 945 /* Performance Counter Register 5 */ 594#define SPRN_PMC6 946 /* Performance Counter Register 6 */ 595 596#define SPRN_SIAR 955 /* Sampled Instruction Address Register */ 597 598/* Bit definitions for MMCR0 and PMC1 / PMC2. */ 599#define MMCR0_PMC1_CYCLES (1 << 7) 600#define MMCR0_PMC1_ICACHEMISS (5 << 7) 601#define MMCR0_PMC1_DTLB (6 << 7) 602#define MMCR0_PMC2_DCACHEMISS 0x6 603#define MMCR0_PMC2_CYCLES 0x1 604#define MMCR0_PMC2_ITLB 0x7 605#define MMCR0_PMC2_LOADMISSTIME 0x5 606#endif 607 608/* 609 * An mtfsf instruction with the L bit set. On CPUs that support this a 610 * full 64bits of FPSCR is restored and on other CPUs the L bit is ignored. 611 * 612 * Until binutils gets the new form of mtfsf, hardwire the instruction. 613 */ 614#ifdef CONFIG_PPC64 615#define MTFSF_L(REG) \ 616 .long (0xfc00058e | ((0xff) << 17) | ((REG) << 11) | (1 << 25)) 617#else 618#define MTFSF_L(REG) mtfsf 0xff, (REG) 619#endif 620 621/* Processor Version Register (PVR) field extraction */ 622 623#define PVR_VER(pvr) (((pvr) >> 16) & 0xFFFF) /* Version field */ 624#define PVR_REV(pvr) (((pvr) >> 0) & 0xFFFF) /* Revison field */ 625 626#define __is_processor(pv) (PVR_VER(mfspr(SPRN_PVR)) == (pv)) 627 628/* 629 * IBM has further subdivided the standard PowerPC 16-bit version and 630 * revision subfields of the PVR for the PowerPC 403s into the following: 631 */ 632 633#define PVR_FAM(pvr) (((pvr) >> 20) & 0xFFF) /* Family field */ 634#define PVR_MEM(pvr) (((pvr) >> 16) & 0xF) /* Member field */ 635#define PVR_CORE(pvr) (((pvr) >> 12) & 0xF) /* Core field */ 636#define PVR_CFG(pvr) (((pvr) >> 8) & 0xF) /* Configuration field */ 637#define PVR_MAJ(pvr) (((pvr) >> 4) & 0xF) /* Major revision field */ 638#define PVR_MIN(pvr) (((pvr) >> 0) & 0xF) /* Minor revision field */ 639 640/* Processor Version Numbers */ 641 642#define PVR_403GA 0x00200000 643#define PVR_403GB 0x00200100 644#define PVR_403GC 0x00200200 645#define PVR_403GCX 0x00201400 646#define PVR_405GP 0x40110000 647#define PVR_STB03XXX 0x40310000 648#define PVR_NP405H 0x41410000 649#define PVR_NP405L 0x41610000 650#define PVR_601 0x00010000 651#define PVR_602 0x00050000 652#define PVR_603 0x00030000 653#define PVR_603e 0x00060000 654#define PVR_603ev 0x00070000 655#define PVR_603r 0x00071000 656#define PVR_604 0x00040000 657#define PVR_604e 0x00090000 658#define PVR_604r 0x000A0000 659#define PVR_620 0x00140000 660#define PVR_740 0x00080000 661#define PVR_750 PVR_740 662#define PVR_740P 0x10080000 663#define PVR_750P PVR_740P 664#define PVR_7400 0x000C0000 665#define PVR_7410 0x800C0000 666#define PVR_7450 0x80000000 667#define PVR_8540 0x80200000 668#define PVR_8560 0x80200000 669/* 670 * For the 8xx processors, all of them report the same PVR family for 671 * the PowerPC core. The various versions of these processors must be 672 * differentiated by the version number in the Communication Processor 673 * Module (CPM). 674 */ 675#define PVR_821 0x00500000 676#define PVR_823 PVR_821 677#define PVR_850 PVR_821 678#define PVR_860 PVR_821 679#define PVR_8240 0x00810100 680#define PVR_8245 0x80811014 681#define PVR_8260 PVR_8240 682 683/* 64-bit processors */ 684/* XXX the prefix should be PVR_, we'll do a global sweep to fix it one day */ 685#define PV_NORTHSTAR 0x0033 686#define PV_PULSAR 0x0034 687#define PV_POWER4 0x0035 688#define PV_ICESTAR 0x0036 689#define PV_SSTAR 0x0037 690#define PV_POWER4p 0x0038 691#define PV_970 0x0039 692#define PV_POWER5 0x003A 693#define PV_POWER5p 0x003B 694#define PV_970FX 0x003C 695#define PV_630 0x0040 696#define PV_630p 0x0041 697#define PV_970MP 0x0044 698#define PV_970GX 0x0045 699#define PV_BE 0x0070 700#define PV_PA6T 0x0090 701 702/* Macros for setting and retrieving special purpose registers */ 703#ifndef __ASSEMBLY__ 704#define mfmsr() ({unsigned long rval; \ 705 asm volatile("mfmsr %0" : "=r" (rval)); rval;}) 706#ifdef CONFIG_PPC64 707#define __mtmsrd(v, l) asm volatile("mtmsrd %0," __stringify(l) \ 708 : : "r" (v)) 709#define mtmsrd(v) __mtmsrd((v), 0) 710#define mtmsr(v) mtmsrd(v) 711#else 712#define mtmsr(v) asm volatile("mtmsr %0" : : "r" (v)) 713#endif 714 715#define mfspr(rn) ({unsigned long rval; \ 716 asm volatile("mfspr %0," __stringify(rn) \ 717 : "=r" (rval)); rval;}) 718#define mtspr(rn, v) asm volatile("mtspr " __stringify(rn) ",%0" : : "r" (v)) 719 720#ifdef __powerpc64__ 721#ifdef CONFIG_PPC_CELL 722#define mftb() ({unsigned long rval; \ 723 asm volatile( \ 724 "90: mftb %0;\n" \ 725 "97: cmpwi %0,0;\n" \ 726 " beq- 90b;\n" \ 727 "99:\n" \ 728 ".section __ftr_fixup,\"a\"\n" \ 729 ".align 3\n" \ 730 "98:\n" \ 731 " .llong %1\n" \ 732 " .llong %1\n" \ 733 " .llong 97b-98b\n" \ 734 " .llong 99b-98b\n" \ 735 ".previous" \ 736 : "=r" (rval) : "i" (CPU_FTR_CELL_TB_BUG)); rval;}) 737#else 738#define mftb() ({unsigned long rval; \ 739 asm volatile("mftb %0" : "=r" (rval)); rval;}) 740#endif /* !CONFIG_PPC_CELL */ 741 742#else /* __powerpc64__ */ 743 744#define mftbl() ({unsigned long rval; \ 745 asm volatile("mftbl %0" : "=r" (rval)); rval;}) 746#define mftbu() ({unsigned long rval; \ 747 asm volatile("mftbu %0" : "=r" (rval)); rval;}) 748#endif /* !__powerpc64__ */ 749 750#define mttbl(v) asm volatile("mttbl %0":: "r"(v)) 751#define mttbu(v) asm volatile("mttbu %0":: "r"(v)) 752 753#ifdef CONFIG_PPC32 754#define mfsrin(v) ({unsigned int rval; \ 755 asm volatile("mfsrin %0,%1" : "=r" (rval) : "r" (v)); \ 756 rval;}) 757#endif 758 759#define proc_trap() asm volatile("trap") 760 761#ifdef CONFIG_PPC64 762 763extern void ppc64_runlatch_on(void); 764extern void ppc64_runlatch_off(void); 765 766extern unsigned long scom970_read(unsigned int address); 767extern void scom970_write(unsigned int address, unsigned long value); 768 769#else 770#define ppc64_runlatch_on() 771#define ppc64_runlatch_off() 772 773#endif /* CONFIG_PPC64 */ 774 775#define __get_SP() ({unsigned long sp; \ 776 asm volatile("mr %0,1": "=r" (sp)); sp;}) 777 778#endif /* __ASSEMBLY__ */ 779#endif /* __KERNEL__ */ 780#endif /* _ASM_POWERPC_REG_H */