spr.h revision 1.20
1#ifndef _POWERPC_SPR_H_ 2#define _POWERPC_SPR_H_ 3 4#ifndef _LOCORE 5#define mtspr(reg, val) \ 6 __asm __volatile("mtspr %0,%1" : : "K"(reg), "r"(val)) 7#define mfspr(reg) \ 8 ( { u_int32_t val; \ 9 __asm __volatile("mfspr %0,%1" : "=r"(val) : "K"(reg)); \ 10 val; } ) 11#endif /* _LOCORE */ 12 13/* 14 * Special Purpose Register declarations. 15 * 16 * The first column in the comments indicates which PowerPC 17 * architectures the SPR is valid on - 4 for 4xx series, 18 * 6 for 6xx/7xx series and 8 for 8xx and 8xxx series. 19 */ 20 21#define SPR_MQ 0x000 /* .6. 601 MQ register */ 22#define SPR_XER 0x001 /* 468 Fixed Point Exception Register */ 23#define SPR_RTCU_R 0x004 /* .6. 601 RTC Upper - Read */ 24#define SPR_RTCL_R 0x005 /* .6. 601 RTC Lower - Read */ 25#define SPR_LR 0x008 /* 468 Link Register */ 26#define SPR_CTR 0x009 /* 468 Count Register */ 27#define SPR_DSISR 0x012 /* .68 DSI exception source */ 28#define DSISR_DIRECT 0x80000000 /* Direct-store error exception */ 29#define DSISR_NOTFOUND 0x40000000 /* Translation not found */ 30#define DSISR_PROTECT 0x08000000 /* Memory access not permitted */ 31#define DSISR_INVRX 0x04000000 /* Reserve-indexed insn direct-store access */ 32#define DSISR_STORE 0x02000000 /* Store operation */ 33#define DSISR_DABR 0x00400000 /* DABR match */ 34#define DSISR_SEGMENT 0x00200000 /* XXX; not in 6xx PEM */ 35#define DSISR_EAR 0x00100000 /* eciwx/ecowx && EAR[E] == 0 */ 36#define SPR_DAR 0x013 /* .68 Data Address Register */ 37#define SPR_RTCU_W 0x014 /* .6. 601 RTC Upper - Write */ 38#define SPR_RTCL_W 0x015 /* .6. 601 RTC Lower - Write */ 39#define SPR_DEC 0x016 /* .68 DECrementer register */ 40#define SPR_SDR1 0x019 /* .68 Page table base address register */ 41#define SPR_SRR0 0x01a /* 468 Save/Restore Register 0 */ 42#define SPR_SRR1 0x01b /* 468 Save/Restore Register 1 */ 43#define SPR_USPRG0 0x100 /* 4.. User SPR General 0 */ 44#define SPR_VRSAVE 0x100 /* .6. AltiVec VRSAVE */ 45#define SPR_SPRG0 0x110 /* 468 SPR General 0 */ 46#define SPR_SPRG1 0x111 /* 468 SPR General 1 */ 47#define SPR_SPRG2 0x112 /* 468 SPR General 2 */ 48#define SPR_SPRG3 0x113 /* 468 SPR General 3 */ 49#define SPR_SPRG4 0x114 /* 4.. SPR General 4 */ 50#define SPR_SPRG5 0x115 /* 4.. SPR General 5 */ 51#define SPR_SPRG6 0x116 /* 4.. SPR General 6 */ 52#define SPR_SPRG7 0x117 /* 4.. SPR General 7 */ 53#define SPR_EAR 0x11a /* .68 External Access Register */ 54#define SPR_TBL 0x11c /* 468 Time Base Lower */ 55#define SPR_TBU 0x11d /* 468 Time Base Upper */ 56#define SPR_PVR 0x11f /* 468 Processor Version Register */ 57#define MPC601 0x0001 58#define MPC603 0x0003 59#define MPC604 0x0004 60#define MPC602 0x0005 61#define MPC603e 0x0006 62#define MPC603ev 0x0007 63#define MPC750 0x0008 64#define MPC604ev 0x0009 65#define MPC7400 0x000c 66#define MPC620 0x0014 67#define MPC860 0x0050 68#define MPC8240 0x0081 69#define IBM750FX 0x7000 70#define MPC7450 0x8000 71#define MPC7455 0x8001 72#define MPC7410 0x800c 73#define MPC8245 0x8081 74#define IBM405GP 0x4011 75#define IBM405L 0x4161 76#define SPR_IBAT0U 0x210 /* .68 Instruction BAT Reg 0 Upper */ 77#define SPR_IBAT0L 0x211 /* .68 Instruction BAT Reg 0 Lower */ 78#define SPR_IBAT1U 0x212 /* .68 Instruction BAT Reg 1 Upper */ 79#define SPR_IBAT1L 0x213 /* .68 Instruction BAT Reg 1 Lower */ 80#define SPR_IBAT2U 0x214 /* .68 Instruction BAT Reg 2 Upper */ 81#define SPR_IBAT2L 0x215 /* .68 Instruction BAT Reg 2 Lower */ 82#define SPR_IBAT3U 0x216 /* .68 Instruction BAT Reg 3 Upper */ 83#define SPR_IBAT3L 0x217 /* .68 Instruction BAT Reg 3 Lower */ 84#define SPR_DBAT0U 0x218 /* .68 Data BAT Reg 0 Upper */ 85#define SPR_DBAT0L 0x219 /* .68 Data BAT Reg 0 Lower */ 86#define SPR_DBAT1U 0x21a /* .68 Data BAT Reg 1 Upper */ 87#define SPR_DBAT1L 0x21b /* .68 Data BAT Reg 1 Lower */ 88#define SPR_DBAT2U 0x21c /* .68 Data BAT Reg 2 Upper */ 89#define SPR_DBAT2L 0x21d /* .68 Data BAT Reg 2 Lower */ 90#define SPR_DBAT3U 0x21e /* .68 Data BAT Reg 3 Upper */ 91#define SPR_DBAT3L 0x21f /* .68 Data BAT Reg 3 Lower */ 92#define SPI_IBAT4U 0x230 /* .6. Instruction BAT Reg 4 Upper */ 93#define SPI_IBAT4L 0x231 /* .6. Instruction BAT Reg 4 Lower */ 94#define SPI_IBAT5U 0x232 /* .6. Instruction BAT Reg 5 Upper */ 95#define SPI_IBAT5L 0x233 /* .6. Instruction BAT Reg 5 Lower */ 96#define SPI_IBAT6U 0x234 /* .6. Instruction BAT Reg 6 Upper */ 97#define SPI_IBAT6L 0x235 /* .6. Instruction BAT Reg 6 Lower */ 98#define SPI_IBAT7U 0x236 /* .6. Instruction BAT Reg 7 Upper */ 99#define SPI_IBAT7L 0x237 /* .6. Instruction BAT Reg 7 Lower */ 100#define SPI_DBAT4U 0x238 /* .6. Data BAT Reg 4 Upper */ 101#define SPI_DBAT4L 0x239 /* .6. Data BAT Reg 4 Lower */ 102#define SPI_DBAT5U 0x23a /* .6. Data BAT Reg 5 Upper */ 103#define SPI_DBAT5L 0x23b /* .6. Data BAT Reg 5 Lower */ 104#define SPI_DBAT6U 0x23c /* .6. Data BAT Reg 6 Upper */ 105#define SPI_DBAT6L 0x23d /* .6. Data BAT Reg 6 Lower */ 106#define SPI_DBAT7U 0x23e /* .6. Data BAT Reg 7 Upper */ 107#define SPI_DBAT7L 0x23f /* .6. Data BAT Reg 7 Lower */ 108#define SPR_UMMCR2 0x3a0 /* .6. User Monitor Mode Control Register 2 */ 109#define SPR_UMMCR0 0x3a8 /* .6. User Monitor Mode Control Register 0 */ 110#define SPR_USIA 0x3ab /* .6. User Sampled Instruction Address */ 111#define SPR_UMMCR1 0x3ac /* .6. User Monitor Mode Control Register 1 */ 112#define SPR_ZPR 0x3b0 /* 4.. Zone Protection Register */ 113#define SPR_MMCR2 0x3b0 /* .6. Monitor Mode Control Register 2 */ 114#define SPR_MMCR2_THRESHMULT_32 0x80000000 /* Multiply MMCR0 threshold by 32 */ 115#define SPR_MMCR2_THRESHMULT_2 0x00000000 /* Multiply MMCR0 threshold by 2 */ 116#define SPR_PID 0x3b1 /* 4.. Process ID */ 117#define SPR_PMC5 0x3b1 /* .6. Performance Counter Register 5 */ 118#define SPR_PMC6 0x3b2 /* .6. Performance Counter Register 6 */ 119#define SPR_CCR0 0x3b3 /* 4.. Core Configuration Register 0 */ 120#define SPR_IAC3 0x3b4 /* 4.. Instruction Address Compare 3 */ 121#define SPR_IAC4 0x3b5 /* 4.. Instruction Address Compare 4 */ 122#define SPR_DVC1 0x3b6 /* 4.. Data Value Compare 1 */ 123#define SPR_DVC2 0x3b7 /* 4.. Data Value Compare 2 */ 124#define SPR_MMCR0 0x3b8 /* .6. Monitor Mode Control Register 0 */ 125#define SPR_MMCR0_FC 0x80000000 /* Freeze counters */ 126#define SPR_MMCR0_FCS 0x40000000 /* Freeze counters in supervisor mode */ 127#define SPR_MMCR0_FCP 0x20000000 /* Freeze counters in user mode */ 128#define SPR_MMCR0_FCM1 0x10000000 /* Freeze counters when mark=1 */ 129#define SPR_MMCR0_FCM0 0x08000000 /* Freeze counters when mark=0 */ 130#define SPR_MMCR0_PMXE 0x04000000 /* Enable PM interrupt */ 131#define SPR_MMCR0_FCECE 0x02000000 /* Freeze counters after event */ 132#define SPR_MMCR0_TBSEL_15 0x01800000 /* Count bit 15 of TBL */ 133#define SPR_MMCR0_TBSEL_19 0x01000000 /* Count bit 19 of TBL */ 134#define SPR_MMCR0_TBSEL_23 0x00800000 /* Count bit 23 of TBL */ 135#define SPR_MMCR0_TBSEL_31 0x00000000 /* Count bit 31 of TBL */ 136#define SPR_MMCR0_TBEE 0x00400000 /* Time-base event enable */ 137#define SPR_MMCRO_THRESHOLD(x) ((x) << 16) /* Threshold value */ 138#define SPR_MMCR0_PMC1CE 0x00008000 /* PMC1 condition enable */ 139#define SPR_MMCR0_PMCNCE 0x00004000 /* PMCn condition enable */ 140#define SPR_MMCR0_TRIGGER 0x00002000 /* Trigger */ 141#define SPR_MMCR0_PMC1SEL(x) ((x) << 6) /* PMC1 selector */ 142#define SPR_MMCR0_PMC2SEL(x) ((x) << 0) /* PMC2 selector */ 143#define SPR_SGR 0x3b9 /* 4.. Storage Guarded Register */ 144#define SPR_PMC1 0x3b9 /* .6. Performance Counter Register 1 */ 145#define SPR_DCWR 0x3ba /* 4.. Data Cache Write-through Register */ 146#define SPR_PMC2 0x3ba /* .6. Performance Counter Register 2 */ 147#define SPR_SLER 0x3bb /* 4.. Storage Little Endian Register */ 148#define SPR_SIA 0x3bb /* .6. Sampled Instruction Address */ 149#define SPR_MMCR1 0x3bc /* .6. Monitor Mode Control Register 2 */ 150#define SPR_MMCR1_PMC3SEL(x) ((x) << 27) /* PMC 3 selector */ 151#define SPR_MMCR1_PMC4SEL(x) ((x) << 22) /* PMC 4 selector */ 152#define SPR_MMCR1_PMC5SEL(x) ((x) << 17) /* PMC 5 selector */ 153#define SPR_MMCR1_PMC6SEL(x) ((x) << 11) /* PMC 6 selector */ 154 155#define SPR_SU0R 0x3bc /* 4.. Storage User-defined 0 Register */ 156#define SPR_DBCR1 0x3bd /* 4.. Debug Control Register 1 */ 157#define SPR_PMC3 0x3bd /* .6. Performance Counter Register 3 */ 158#define SPR_PMC4 0x3be /* .6. Performance Counter Register 4 */ 159#define SPR_DMISS 0x3d0 /* .68 Data TLB Miss Address Register */ 160#define SPR_DCMP 0x3d1 /* .68 Data TLB Compare Register */ 161#define SPR_HASH1 0x3d2 /* .68 Primary Hash Address Register */ 162#define SPR_ICDBDR 0x3d3 /* 4.. Instruction Cache Debug Data Register */ 163#define SPR_HASH2 0x3d3 /* .68 Secondary Hash Address Register */ 164#define SPR_ESR 0x3d4 /* 4.. Exception Syndrome Register */ 165#define ESR_MCI 0x80000000 /* Machine check - instruction */ 166#define ESR_PIL 0x08000000 /* Program interrupt - illegal */ 167#define ESR_PPR 0x04000000 /* Program interrupt - privileged */ 168#define ESR_PTR 0x02000000 /* Program interrupt - trap */ 169#define ESR_DST 0x00800000 /* Data storage interrupt - store fault */ 170#define ESR_DIZ 0x00800000 /* Data/instruction storage interrupt - zone fault */ 171#define ESR_U0F 0x00008000 /* Data storage interrupt - U0 fault */ 172#define SPR_IMISS 0x3d4 /* .68 Instruction TLB Miss Address Register */ 173#define SPR_TLBMISS 0x3d4 /* .6. TLB Miss Address Register */ 174#define SPR_DEAR 0x3d5 /* 4.. Data Error Address Register */ 175#define SPR_ICMP 0x3d5 /* .68 Instruction TLB Compare Register */ 176#define SPR_PTEHI 0x3d5 /* .6. Instruction TLB Compare Register */ 177#define SPR_EVPR 0x3d6 /* 4.. Exception Vector Prefix Register */ 178#define SPR_RPA 0x3d6 /* .68 Required Physical Address Register */ 179#define SPR_PTELO 0x3d6 /* .6. Required Physical Address Register */ 180#define SPR_TSR 0x3d8 /* 4.. Timer Status Register */ 181#define TSR_ENW 0x80000000 /* Enable Next Watchdog */ 182#define TSR_WIS 0x40000000 /* Watchdog Interrupt Status */ 183#define TSR_WRS_MASK 0x30000000 /* Watchdog Reset Status */ 184#define TSR_WRS_NONE 0x00000000 /* No watchdog reset has occurred */ 185#define TSR_WRS_CORE 0x10000000 /* Core reset was forced by the watchdog */ 186#define TSR_WRS_CHIP 0x20000000 /* Chip reset was forced by the watchdog */ 187#define TSR_WRS_SYSTEM 0x30000000 /* System reset was forced by the watchdog */ 188#define TSR_PIS 0x08000000 /* PIT Interrupt Status */ 189#define TSR_FIS 0x04000000 /* FIT Interrupt Status */ 190#define SPR_TCR 0x3da /* 4.. Timer Control Register */ 191#define TCR_WP_MASK 0xc0000000 /* Watchdog Period mask */ 192#define TCR_WP_2_17 0x00000000 /* 2**17 clocks */ 193#define TCR_WP_2_21 0x40000000 /* 2**21 clocks */ 194#define TCR_WP_2_25 0x80000000 /* 2**25 clocks */ 195#define TCR_WP_2_29 0xc0000000 /* 2**29 clocks */ 196#define TCR_WRC_MASK 0x30000000 /* Watchdog Reset Control mask */ 197#define TCR_WRC_NONE 0x00000000 /* No watchdog reset */ 198#define TCR_WRC_CORE 0x10000000 /* Core reset */ 199#define TCR_WRC_CHIP 0x20000000 /* Chip reset */ 200#define TCR_WRC_SYSTEM 0x30000000 /* System reset */ 201#define TCR_WIE 0x08000000 /* Watchdog Interrupt Enable */ 202#define TCR_PIE 0x04000000 /* PIT Interrupt Enable */ 203#define TCR_FP_MASK 0x03000000 /* FIT Period */ 204#define TCR_FP_2_9 0x00000000 /* 2**9 clocks */ 205#define TCR_FP_2_13 0x01000000 /* 2**13 clocks */ 206#define TCR_FP_2_17 0x02000000 /* 2**17 clocks */ 207#define TCR_FP_2_21 0x03000000 /* 2**21 clocks */ 208#define TCR_FIE 0x00800000 /* FIT Interrupt Enable */ 209#define TCR_ARE 0x00400000 /* Auto Reload Enable */ 210#define SPR_PIT 0x3db /* 4.. Programmable Interval Timer */ 211#define SPR_SRR2 0x3de /* 4.. Save/Restore Register 2 */ 212#define SPR_SRR3 0x3df /* 4.. Save/Restore Register 3 */ 213#define SPR_DBSR 0x3f0 /* 4.. Debug Status Register */ 214#define DBSR_IC 0x80000000 /* Instruction completion debug event */ 215#define DBSR_BT 0x40000000 /* Branch Taken debug event */ 216#define DBSR_EDE 0x20000000 /* Exception debug event */ 217#define DBSR_TIE 0x10000000 /* Trap Instruction debug event */ 218#define DBSR_UDE 0x08000000 /* Unconditional debug event */ 219#define DBSR_IA1 0x04000000 /* IAC1 debug event */ 220#define DBSR_IA2 0x02000000 /* IAC2 debug event */ 221#define DBSR_DR1 0x01000000 /* DAC1 Read debug event */ 222#define DBSR_DW1 0x00800000 /* DAC1 Write debug event */ 223#define DBSR_DR2 0x00400000 /* DAC2 Read debug event */ 224#define DBSR_DW2 0x00200000 /* DAC2 Write debug event */ 225#define DBSR_IDE 0x00100000 /* Imprecise debug event */ 226#define DBSR_IA3 0x00080000 /* IAC3 debug event */ 227#define DBSR_IA4 0x00040000 /* IAC4 debug event */ 228#define DBSR_MRR 0x00000300 /* Most recent reset */ 229#define SPR_HID0 0x3f0 /* ..8 Hardware Implementation Register 0 */ 230#define SPR_HID1 0x3f1 /* ..8 Hardware Implementation Register 1 */ 231#define SPR_DBCR0 0x3f2 /* 4.. Debug Control Register 0 */ 232#define DBCR0_EDM 0x80000000 /* External Debug Mode */ 233#define DBCR0_IDM 0x40000000 /* Internal Debug Mode */ 234#define DBCR0_RST_MASK 0x30000000 /* ReSeT */ 235#define DBCR0_RST_NONE 0x00000000 /* No action */ 236#define DBCR0_RST_CORE 0x10000000 /* Core reset */ 237#define DBCR0_RST_CHIP 0x20000000 /* Chip reset */ 238#define DBCR0_RST_SYSTEM 0x30000000 /* System reset */ 239#define DBCR0_IC 0x08000000 /* Instruction Completion debug event */ 240#define DBCR0_BT 0x04000000 /* Branch Taken debug event */ 241#define DBCR0_EDE 0x02000000 /* Exception Debug Event */ 242#define DBCR0_TDE 0x01000000 /* Trap Debug Event */ 243#define DBCR0_IA1 0x00800000 /* IAC (Instruction Address Compare) 1 debug event */ 244#define DBCR0_IA2 0x00400000 /* IAC 2 debug event */ 245#define DBCR0_IA12 0x00200000 /* Instruction Address Range Compare 1-2 */ 246#define DBCR0_IA12X 0x00100000 /* IA12 eXclusive */ 247#define DBCR0_IA3 0x00080000 /* IAC 3 debug event */ 248#define DBCR0_IA4 0x00040000 /* IAC 4 debug event */ 249#define DBCR0_IA34 0x00020000 /* Instruction Address Range Compare 3-4 */ 250#define DBCR0_IA34X 0x00010000 /* IA34 eXclusive */ 251#define DBCR0_IA12T 0x00008000 /* Instruction Address Range Compare 1-2 range Toggle */ 252#define DBCR0_IA34T 0x00004000 /* Instruction Address Range Compare 3-4 range Toggle */ 253#define DBCR0_FT 0x00000001 /* Freeze Timers on debug event */ 254#define SPR_IABR 0x3f2 /* ..8 Instruction Address Breakpoint Register 0 */ 255#define SPR_HID2 0x3f3 /* ..8 Hardware Implementation Register 2 */ 256#define SPR_IAC1 0x3f4 /* 4.. Instruction Address Compare 1 */ 257#define SPR_IAC2 0x3f5 /* 4.. Instruction Address Compare 2 */ 258#define SPR_DABR 0x3f5 /* .6. Data Address Breakpoint Register */ 259#define SPR_DAC1 0x3f6 /* 4.. Data Address Compare 1 */ 260#define SPR_DAC2 0x3f7 /* 4.. Data Address Compare 2 */ 261#define SPR_L2PM 0x3f8 /* .6. L2 Private Memory Control Register */ 262#define SPR_L2CR 0x3f9 /* .6. L2 Control Register */ 263#define L2CR_L2E 0x80000000 /* 0: L2 enable */ 264#define L2CR_L2PE 0x40000000 /* 1: L2 data parity enable */ 265#define L2CR_L2SIZ 0x30000000 /* 2-3: L2 size */ 266#define L2SIZ_2M 0x00000000 267#define L2SIZ_256K 0x10000000 268#define L2SIZ_512K 0x20000000 269#define L2SIZ_1M 0x30000000 270#define L2CR_L2CLK 0x0e000000 /* 4-6: L2 clock ratio */ 271#define L2CLK_DIS 0x00000000 /* disable L2 clock */ 272#define L2CLK_10 0x02000000 /* core clock / 1 */ 273#define L2CLK_15 0x04000000 /* / 1.5 */ 274#define L2CLK_20 0x08000000 /* / 2 */ 275#define L2CLK_25 0x0a000000 /* / 2.5 */ 276#define L2CLK_30 0x0c000000 /* / 3 */ 277#define L2CR_L2RAM 0x01800000 /* 7-8: L2 RAM type */ 278#define L2RAM_FLOWTHRU_BURST 0x00000000 279#define L2RAM_PIPELINE_BURST 0x01000000 280#define L2RAM_PIPELINE_LATE 0x01800000 281#define L2CR_L2DO 0x00400000 /* 9: L2 data-only. 282 Setting this bit disables instruction 283 caching. */ 284#define L2CR_L2I 0x00200000 /* 10: L2 global invalidate. */ 285#define L2CR_L2CTL 0x00100000 /* 11: L2 RAM control (ZZ enable). 286 Enables automatic operation of the 287 L2ZZ (low-power mode) signal. */ 288#define L2CR_L2WT 0x00080000 /* 12: L2 write-through. */ 289#define L2CR_L2TS 0x00040000 /* 13: L2 test support. */ 290#define L2CR_L2OH 0x00030000 /* 14-15: L2 output hold. */ 291#define L2CR_L2SL 0x00008000 /* 16: L2 DLL slow. */ 292#define L2CR_L2DF 0x00004000 /* 17: L2 differential clock. */ 293#define L2CR_L2BYP 0x00002000 /* 18: L2 DLL bypass. */ 294#define L2CR_L2IP 0x00000001 /* 31: L2 global invalidate in */ 295 /* progress (read only). */ 296#define SPR_L3CR 0x3fa /* .6. L3 Control Register */ 297#define L3CR_L3E 0x80000000 /* 0: L3 enable */ 298#define L3CR_L3SIZ 0x10000000 /* 3: L3 size (0=1MB, 1=2MB) */ 299#define SPR_DCCR 0x3fa /* 4.. Data Cache Cachability Register */ 300#define SPR_ICCR 0x3fb /* 4.. Instruction Cache Cachability Register */ 301#define SPR_THRM1 0x3fc /* .6. Thermal Management Register */ 302#define SPR_THRM2 0x3fd /* .6. Thermal Management Register */ 303#define SPR_THRM_TIN 0x80000000 /* Thermal interrupt bit (RO) */ 304#define SPR_THRM_TIV 0x40000000 /* Thermal interrupt valid (RO) */ 305#define SPR_THRM_THRESHOLD(x) ((x) << 23) /* Thermal sensor threshold */ 306#define SPR_THRM_TID 0x00000004 /* Thermal interrupt direction */ 307#define SPR_THRM_TIE 0x00000002 /* Thermal interrupt enable */ 308#define SPR_THRM_VALID 0x00000001 /* Valid bit */ 309#define SPR_THRM3 0x3fe /* .6. Thermal Management Register */ 310#define SPR_THRM_TIMER(x) ((x) << 1) /* Sampling interval timer */ 311#define SPR_THRM_ENABLE 0x00000001 /* TAU Enable */ 312#define SPR_FPECR 0x3fe /* .6. Floating-Point Exception Cause Register */ 313#define SPR_PIR 0x3ff /* .6. Processor Identification Register */ 314 315/* Time Base Register declarations */ 316#define TBR_TBL 0x10c /* 468 Time Base Lower */ 317#define TBR_TBU 0x10d /* 468 Time Base Upper */ 318 319/* Performance counter declarations */ 320#define PMC_OVERFLOW 0x80000000 /* Counter has overflowed */ 321 322/* The first five countable [non-]events are common to all the PMC's */ 323#define PMCN_NONE 0 /* Count nothing */ 324#define PMCN_CYCLES 1 /* Processor cycles */ 325#define PMCN_ICOMP 2 /* Instructions completed */ 326#define PMCN_TBLTRANS 3 /* TBL bit transitions */ 327#define PCMN_IDISPATCH 4 /* Instructions dispatched */ 328 329#endif /* !_POWERPC_SPR_H_ */ 330