1 files changed, 667 insertions, 0 deletions

diff --git a/include/asm-ppc64/processor.h b/include/asm-ppc64/processor.h
new file mode 100644
index 000000000000..eb33d33cfd6d
--- /dev/null
+++ b/include/asm-ppc64/processor.h
@@ -0,0 +1,667 @@
+#ifndef __ASM_PPC64_PROCESSOR_H
+#define __ASM_PPC64_PROCESSOR_H
+
+/*
+ * Copyright (C) 2001 PPC 64 Team, IBM Corp
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/stringify.h>
+#ifndef __ASSEMBLY__
+#include <linux/config.h>
+#include <asm/atomic.h>
+#include <asm/ppcdebug.h>
+#include <asm/a.out.h>
+#endif
+#include <asm/ptrace.h>
+#include <asm/types.h>
+#include <asm/systemcfg.h>
+
+/* Machine State Register (MSR) Fields */
+#define MSR_SF_LG       63              /* Enable 64 bit mode */
+#define MSR_ISF_LG      61              /* Interrupt 64b mode valid on 630 */
+#define MSR_HV_LG       60              /* Hypervisor state */
+#define MSR_VEC_LG      25              /* Enable AltiVec */
+#define MSR_POW_LG      18              /* Enable Power Management */
+#define MSR_WE_LG       18              /* Wait State Enable */
+#define MSR_TGPR_LG     17              /* TLB Update registers in use */
+#define MSR_CE_LG       17              /* Critical Interrupt Enable */
+#define MSR_ILE_LG      16              /* Interrupt Little Endian */
+#define MSR_EE_LG       15              /* External Interrupt Enable */
+#define MSR_PR_LG       14              /* Problem State / Privilege Level */
+#define MSR_FP_LG       13              /* Floating Point enable */
+#define MSR_ME_LG       12              /* Machine Check Enable */
+#define MSR_FE0_LG      11              /* Floating Exception mode 0 */
+#define MSR_SE_LG       10              /* Single Step */
+#define MSR_BE_LG       9               /* Branch Trace */
+#define MSR_DE_LG       9               /* Debug Exception Enable */
+#define MSR_FE1_LG      8               /* Floating Exception mode 1 */
+#define MSR_IP_LG       6               /* Exception prefix 0x000/0xFFF */
+#define MSR_IR_LG       5               /* Instruction Relocate */
+#define MSR_DR_LG       4               /* Data Relocate */
+#define MSR_PE_LG       3               /* Protection Enable */
+#define MSR_PX_LG       2               /* Protection Exclusive Mode */
+#define MSR_PMM_LG      2               /* Performance monitor */
+#define MSR_RI_LG       1               /* Recoverable Exception */
+#define MSR_LE_LG       0               /* Little Endian */
+
+#ifdef __ASSEMBLY__
+#define __MASK(X)       (1<<(X))
+#else
+#define __MASK(X)       (1UL<<(X))
+#endif
+
+#define MSR_SF          __MASK(MSR_SF_LG)       /* Enable 64 bit mode */
+#define MSR_ISF         __MASK(MSR_ISF_LG)      /* Interrupt 64b mode valid on 630 */
+#define MSR_HV          __MASK(MSR_HV_LG)       /* Hypervisor state */
+#define MSR_VEC         __MASK(MSR_VEC_LG)      /* Enable AltiVec */
+#define MSR_POW         __MASK(MSR_POW_LG)      /* Enable Power Management */
+#define MSR_WE          __MASK(MSR_WE_LG)       /* Wait State Enable */
+#define MSR_TGPR        __MASK(MSR_TGPR_LG)     /* TLB Update registers in use */
+#define MSR_CE          __MASK(MSR_CE_LG)       /* Critical Interrupt Enable */
+#define MSR_ILE         __MASK(MSR_ILE_LG)      /* Interrupt Little Endian */
+#define MSR_EE          __MASK(MSR_EE_LG)       /* External Interrupt Enable */
+#define MSR_PR          __MASK(MSR_PR_LG)       /* Problem State / Privilege Level */
+#define MSR_FP          __MASK(MSR_FP_LG)       /* Floating Point enable */
+#define MSR_ME          __MASK(MSR_ME_LG)       /* Machine Check Enable */
+#define MSR_FE0         __MASK(MSR_FE0_LG)      /* Floating Exception mode 0 */
+#define MSR_SE          __MASK(MSR_SE_LG)       /* Single Step */
+#define MSR_BE          __MASK(MSR_BE_LG)       /* Branch Trace */
+#define MSR_DE          __MASK(MSR_DE_LG)       /* Debug Exception Enable */
+#define MSR_FE1         __MASK(MSR_FE1_LG)      /* Floating Exception mode 1 */
+#define MSR_IP          __MASK(MSR_IP_LG)       /* Exception prefix 0x000/0xFFF */
+#define MSR_IR          __MASK(MSR_IR_LG)       /* Instruction Relocate */
+#define MSR_DR          __MASK(MSR_DR_LG)       /* Data Relocate */
+#define MSR_PE          __MASK(MSR_PE_LG)       /* Protection Enable */
+#define MSR_PX          __MASK(MSR_PX_LG)       /* Protection Exclusive Mode */
+#define MSR_PMM         __MASK(MSR_PMM_LG)      /* Performance monitor */
+#define MSR_RI          __MASK(MSR_RI_LG)       /* Recoverable Exception */
+#define MSR_LE          __MASK(MSR_LE_LG)       /* Little Endian */
+
+#define MSR_            MSR_ME | MSR_RI | MSR_IR | MSR_DR | MSR_ISF
+#define MSR_KERNEL      MSR_ | MSR_SF | MSR_HV
+
+#define MSR_USER32      MSR_ | MSR_PR | MSR_EE
+#define MSR_USER64      MSR_USER32 | MSR_SF
+
+/* Floating Point Status and Control Register (FPSCR) Fields */
+
+#define FPSCR_FX        0x80000000      /* FPU exception summary */
+#define FPSCR_FEX       0x40000000      /* FPU enabled exception summary */
+#define FPSCR_VX        0x20000000      /* Invalid operation summary */
+#define FPSCR_OX        0x10000000      /* Overflow exception summary */
+#define FPSCR_UX        0x08000000      /* Underflow exception summary */
+#define FPSCR_ZX        0x04000000      /* Zero-divide exception summary */
+#define FPSCR_XX        0x02000000      /* Inexact exception summary */
+#define FPSCR_VXSNAN    0x01000000      /* Invalid op for SNaN */
+#define FPSCR_VXISI     0x00800000      /* Invalid op for Inv - Inv */
+#define FPSCR_VXIDI     0x00400000      /* Invalid op for Inv / Inv */
+#define FPSCR_VXZDZ     0x00200000      /* Invalid op for Zero / Zero */
+#define FPSCR_VXIMZ     0x00100000      /* Invalid op for Inv * Zero */
+#define FPSCR_VXVC      0x00080000      /* Invalid op for Compare */
+#define FPSCR_FR        0x00040000      /* Fraction rounded */
+#define FPSCR_FI        0x00020000      /* Fraction inexact */
+#define FPSCR_FPRF      0x0001f000      /* FPU Result Flags */
+#define FPSCR_FPCC      0x0000f000      /* FPU Condition Codes */
+#define FPSCR_VXSOFT    0x00000400      /* Invalid op for software request */
+#define FPSCR_VXSQRT    0x00000200      /* Invalid op for square root */
+#define FPSCR_VXCVI     0x00000100      /* Invalid op for integer convert */
+#define FPSCR_VE        0x00000080      /* Invalid op exception enable */
+#define FPSCR_OE        0x00000040      /* IEEE overflow exception enable */
+#define FPSCR_UE        0x00000020      /* IEEE underflow exception enable */
+#define FPSCR_ZE        0x00000010      /* IEEE zero divide exception enable */
+#define FPSCR_XE        0x00000008      /* FP inexact exception enable */
+#define FPSCR_NI        0x00000004      /* FPU non IEEE-Mode */
+#define FPSCR_RN        0x00000003      /* FPU rounding control */
+
+/* Special Purpose Registers (SPRNs)*/
+
+#define SPRN_CDBCR      0x3D7   /* Cache Debug Control Register */
+#define SPRN_CTR        0x009   /* Count Register */
+#define SPRN_DABR       0x3F5   /* Data Address Breakpoint Register */
+#define SPRN_DAC1       0x3F6   /* Data Address Compare 1 */
+#define SPRN_DAC2       0x3F7   /* Data Address Compare 2 */
+#define SPRN_DAR        0x013   /* Data Address Register */
+#define SPRN_DBCR       0x3F2   /* Debug Control Regsiter */
+#define   DBCR_EDM      0x80000000
+#define   DBCR_IDM      0x40000000
+#define   DBCR_RST(x)   (((x) & 0x3) << 28)
+#define     DBCR_RST_NONE               0
+#define     DBCR_RST_CORE               1
+#define     DBCR_RST_CHIP               2
+#define     DBCR_RST_SYSTEM             3
+#define   DBCR_IC       0x08000000      /* Instruction Completion Debug Evnt */
+#define   DBCR_BT       0x04000000      /* Branch Taken Debug Event */
+#define   DBCR_EDE      0x02000000      /* Exception Debug Event */
+#define   DBCR_TDE      0x01000000      /* TRAP Debug Event */
+#define   DBCR_FER      0x00F80000      /* First Events Remaining Mask */
+#define   DBCR_FT       0x00040000      /* Freeze Timers on Debug Event */
+#define   DBCR_IA1      0x00020000      /* Instr. Addr. Compare 1 Enable */
+#define   DBCR_IA2      0x00010000      /* Instr. Addr. Compare 2 Enable */
+#define   DBCR_D1R      0x00008000      /* Data Addr. Compare 1 Read Enable */
+#define   DBCR_D1W      0x00004000      /* Data Addr. Compare 1 Write Enable */
+#define   DBCR_D1S(x)   (((x) & 0x3) << 12)     /* Data Adrr. Compare 1 Size */
+#define     DAC_BYTE    0
+#define     DAC_HALF    1
+#define     DAC_WORD    2
+#define     DAC_QUAD    3
+#define   DBCR_D2R      0x00000800      /* Data Addr. Compare 2 Read Enable */
+#define   DBCR_D2W      0x00000400      /* Data Addr. Compare 2 Write Enable */
+#define   DBCR_D2S(x)   (((x) & 0x3) << 8)      /* Data Addr. Compare 2 Size */
+#define   DBCR_SBT      0x00000040      /* Second Branch Taken Debug Event */
+#define   DBCR_SED      0x00000020      /* Second Exception Debug Event */
+#define   DBCR_STD      0x00000010      /* Second Trap Debug Event */
+#define   DBCR_SIA      0x00000008      /* Second IAC Enable */
+#define   DBCR_SDA      0x00000004      /* Second DAC Enable */
+#define   DBCR_JOI      0x00000002      /* JTAG Serial Outbound Int. Enable */
+#define   DBCR_JII      0x00000001      /* JTAG Serial Inbound Int. Enable */
+#define SPRN_DBCR0      0x3F2   /* Debug Control Register 0 */
+#define SPRN_DBCR1      0x3BD   /* Debug Control Register 1 */
+#define SPRN_DBSR       0x3F0   /* Debug Status Register */
+#define SPRN_DCCR       0x3FA   /* Data Cache Cacheability Register */
+#define   DCCR_NOCACHE          0       /* Noncacheable */
+#define   DCCR_CACHE            1       /* Cacheable */
+#define SPRN_DCMP       0x3D1   /* Data TLB Compare Register */
+#define SPRN_DCWR       0x3BA   /* Data Cache Write-thru Register */
+#define   DCWR_COPY             0       /* Copy-back */
+#define   DCWR_WRITE            1       /* Write-through */
+#define SPRN_DEAR       0x3D5   /* Data Error Address Register */
+#define SPRN_DEC        0x016   /* Decrement Register */
+#define SPRN_DMISS      0x3D0   /* Data TLB Miss Register */
+#define SPRN_DSISR      0x012   /* Data Storage Interrupt Status Register */
+#define   DSISR_NOHPTE          0x40000000      /* no translation found */
+#define   DSISR_PROTFAULT       0x08000000      /* protection fault */
+#define   DSISR_ISSTORE         0x02000000      /* access was a store */
+#define   DSISR_DABRMATCH       0x00400000      /* hit data breakpoint */
+#define   DSISR_NOSEGMENT       0x00200000      /* STAB/SLB miss */
+#define SPRN_EAR        0x11A   /* External Address Register */
+#define SPRN_ESR        0x3D4   /* Exception Syndrome Register */
+#define   ESR_IMCP      0x80000000      /* Instr. Machine Check - Protection */
+#define   ESR_IMCN      0x40000000      /* Instr. Machine Check - Non-config */
+#define   ESR_IMCB      0x20000000      /* Instr. Machine Check - Bus error */
+#define   ESR_IMCT      0x10000000      /* Instr. Machine Check - Timeout */
+#define   ESR_PIL       0x08000000      /* Program Exception - Illegal */
+#define   ESR_PPR       0x04000000      /* Program Exception - Priveleged */
+#define   ESR_PTR       0x02000000      /* Program Exception - Trap */
+#define   ESR_DST       0x00800000      /* Storage Exception - Data miss */
+#define   ESR_DIZ       0x00400000      /* Storage Exception - Zone fault */
+#define SPRN_EVPR       0x3D6   /* Exception Vector Prefix Register */
+#define SPRN_HASH1      0x3D2   /* Primary Hash Address Register */
+#define SPRN_HASH2      0x3D3   /* Secondary Hash Address Resgister */
+#define SPRN_HID0       0x3F0   /* Hardware Implementation Register 0 */
+#define   HID0_EMCP     (1<<31)         /* Enable Machine Check pin */
+#define   HID0_EBA      (1<<29)         /* Enable Bus Address Parity */
+#define   HID0_EBD      (1<<28)         /* Enable Bus Data Parity */
+#define   HID0_SBCLK    (1<<27)
+#define   HID0_EICE     (1<<26)
+#define   HID0_ECLK     (1<<25)
+#define   HID0_PAR      (1<<24)
+#define   HID0_DOZE     (1<<23)
+#define   HID0_NAP      (1<<22)
+#define   HID0_SLEEP    (1<<21)
+#define   HID0_DPM      (1<<20)
+#define   HID0_ICE      (1<<15)         /* Instruction Cache Enable */
+#define   HID0_DCE      (1<<14)         /* Data Cache Enable */
+#define   HID0_ILOCK    (1<<13)         /* Instruction Cache Lock */
+#define   HID0_DLOCK    (1<<12)         /* Data Cache Lock */
+#define   HID0_ICFI     (1<<11)         /* Instr. Cache Flash Invalidate */
+#define   HID0_DCI      (1<<10)         /* Data Cache Invalidate */
+#define   HID0_SPD      (1<<9)          /* Speculative disable */
+#define   HID0_SGE      (1<<7)          /* Store Gathering Enable */
+#define   HID0_SIED     (1<<7)          /* Serial Instr. Execution [Disable] */
+#define   HID0_BTIC     (1<<5)          /* Branch Target Instruction Cache Enable */
+#define   HID0_ABE      (1<<3)          /* Address Broadcast Enable */
+#define   HID0_BHTE     (1<<2)          /* Branch History Table Enable */
+#define   HID0_BTCD     (1<<1)          /* Branch target cache disable */
+#define SPRN_MSRDORM    0x3F1   /* Hardware Implementation Register 1 */
+#define SPRN_HID1       0x3F1   /* Hardware Implementation Register 1 */
+#define SPRN_IABR       0x3F2   /* Instruction Address Breakpoint Register */
+#define SPRN_NIADORM    0x3F3   /* Hardware Implementation Register 2 */
+#define SPRN_HID4       0x3F4   /* 970 HID4 */
+#define SPRN_HID5       0x3F6   /* 970 HID5 */
+#define SPRN_TSC        0x3FD   /* Thread switch control */
+#define SPRN_TST        0x3FC   /* Thread switch timeout */
+#define SPRN_IAC1       0x3F4   /* Instruction Address Compare 1 */
+#define SPRN_IAC2       0x3F5   /* Instruction Address Compare 2 */
+#define SPRN_ICCR       0x3FB   /* Instruction Cache Cacheability Register */
+#define   ICCR_NOCACHE          0       /* Noncacheable */
+#define   ICCR_CACHE            1       /* Cacheable */
+#define SPRN_ICDBDR     0x3D3   /* Instruction Cache Debug Data Register */
+#define SPRN_ICMP       0x3D5   /* Instruction TLB Compare Register */
+#define SPRN_ICTC       0x3FB   /* Instruction Cache Throttling Control Reg */
+#define SPRN_IMISS      0x3D4   /* Instruction TLB Miss Register */
+#define SPRN_IMMR       0x27E   /* Internal Memory Map Register */
+#define SPRN_L2CR       0x3F9   /* Level 2 Cache Control Regsiter */
+#define SPRN_LR         0x008   /* Link Register */
+#define SPRN_PBL1       0x3FC   /* Protection Bound Lower 1 */
+#define SPRN_PBL2       0x3FE   /* Protection Bound Lower 2 */
+#define SPRN_PBU1       0x3FD   /* Protection Bound Upper 1 */
+#define SPRN_PBU2       0x3FF   /* Protection Bound Upper 2 */
+#define SPRN_PID        0x3B1   /* Process ID */
+#define SPRN_PIR        0x3FF   /* Processor Identification Register */
+#define SPRN_PIT        0x3DB   /* Programmable Interval Timer */
+#define SPRN_PURR       0x135   /* Processor Utilization of Resources Register */
+#define SPRN_PVR        0x11F   /* Processor Version Register */
+#define SPRN_RPA        0x3D6   /* Required Physical Address Register */
+#define SPRN_SDA        0x3BF   /* Sampled Data Address Register */
+#define SPRN_SDR1       0x019   /* MMU Hash Base Register */
+#define SPRN_SGR        0x3B9   /* Storage Guarded Register */
+#define   SGR_NORMAL            0
+#define   SGR_GUARDED           1
+#define SPRN_SIA        0x3BB   /* Sampled Instruction Address Register */
+#define SPRN_SPRG0      0x110   /* Special Purpose Register General 0 */
+#define SPRN_SPRG1      0x111   /* Special Purpose Register General 1 */
+#define SPRN_SPRG2      0x112   /* Special Purpose Register General 2 */
+#define SPRN_SPRG3      0x113   /* Special Purpose Register General 3 */
+#define SPRN_SRR0       0x01A   /* Save/Restore Register 0 */
+#define SPRN_SRR1       0x01B   /* Save/Restore Register 1 */
+#define SPRN_TBRL       0x10C   /* Time Base Read Lower Register (user, R/O) */
+#define SPRN_TBRU       0x10D   /* Time Base Read Upper Register (user, R/O) */
+#define SPRN_TBWL       0x11C   /* Time Base Lower Register (super, W/O) */
+#define SPRN_TBWU       0x11D   /* Time Base Write Upper Register (super, W/O) */
+#define SPRN_HIOR       0x137   /* 970 Hypervisor interrupt offset */
+#define SPRN_TCR        0x3DA   /* Timer Control Register */
+#define   TCR_WP(x)             (((x)&0x3)<<30) /* WDT Period */
+#define     WP_2_17             0               /* 2^17 clocks */
+#define     WP_2_21             1               /* 2^21 clocks */
+#define     WP_2_25             2               /* 2^25 clocks */
+#define     WP_2_29             3               /* 2^29 clocks */
+#define   TCR_WRC(x)            (((x)&0x3)<<28) /* WDT Reset Control */
+#define     WRC_NONE            0               /* No reset will occur */
+#define     WRC_CORE            1               /* Core reset will occur */
+#define     WRC_CHIP            2               /* Chip reset will occur */
+#define     WRC_SYSTEM          3               /* System reset will occur */
+#define   TCR_WIE               0x08000000      /* WDT Interrupt Enable */
+#define   TCR_PIE               0x04000000      /* PIT Interrupt Enable */
+#define   TCR_FP(x)             (((x)&0x3)<<24) /* FIT Period */
+#define     FP_2_9              0               /* 2^9 clocks */
+#define     FP_2_13             1               /* 2^13 clocks */
+#define     FP_2_17             2               /* 2^17 clocks */
+#define     FP_2_21             3               /* 2^21 clocks */
+#define   TCR_FIE               0x00800000      /* FIT Interrupt Enable */
+#define   TCR_ARE               0x00400000      /* Auto Reload Enable */
+#define SPRN_THRM1      0x3FC   /* Thermal Management Register 1 */
+#define   THRM1_TIN             (1<<0)
+#define   THRM1_TIV             (1<<1)
+#define   THRM1_THRES           (0x7f<<2)
+#define   THRM1_TID             (1<<29)
+#define   THRM1_TIE             (1<<30)
+#define   THRM1_V               (1<<31)
+#define SPRN_THRM2      0x3FD   /* Thermal Management Register 2 */
+#define SPRN_THRM3      0x3FE   /* Thermal Management Register 3 */
+#define   THRM3_E               (1<<31)
+#define SPRN_TSR        0x3D8   /* Timer Status Register */
+#define   TSR_ENW               0x80000000      /* Enable Next Watchdog */
+#define   TSR_WIS               0x40000000      /* WDT Interrupt Status */
+#define   TSR_WRS(x)            (((x)&0x3)<<28) /* WDT Reset Status */
+#define     WRS_NONE            0               /* No WDT reset occurred */
+#define     WRS_CORE            1               /* WDT forced core reset */
+#define     WRS_CHIP            2               /* WDT forced chip reset */
+#define     WRS_SYSTEM          3               /* WDT forced system reset */
+#define   TSR_PIS               0x08000000      /* PIT Interrupt Status */
+#define   TSR_FIS               0x04000000      /* FIT Interrupt Status */
+#define SPRN_USIA       0x3AB   /* User Sampled Instruction Address Register */
+#define SPRN_XER        0x001   /* Fixed Point Exception Register */
+#define SPRN_ZPR        0x3B0   /* Zone Protection Register */
+#define SPRN_VRSAVE     0x100   /* Vector save */
+
+/* Performance monitor SPRs */
+#define SPRN_SIAR       780
+#define SPRN_SDAR       781
+#define SPRN_MMCRA      786
+#define   MMCRA_SIHV    0x10000000UL /* state of MSR HV when SIAR set */
+#define   MMCRA_SIPR    0x08000000UL /* state of MSR PR when SIAR set */
+#define   MMCRA_SAMPLE_ENABLE 0x00000001UL /* enable sampling */
+#define SPRN_PMC1       787
+#define SPRN_PMC2       788
+#define SPRN_PMC3       789
+#define SPRN_PMC4       790
+#define SPRN_PMC5       791
+#define SPRN_PMC6       792
+#define SPRN_PMC7       793
+#define SPRN_PMC8       794
+#define SPRN_MMCR0      795
+#define   MMCR0_FC      0x80000000UL /* freeze counters. set to 1 on a perfmon exception */
+#define   MMCR0_FCS     0x40000000UL /* freeze in supervisor state */
+#define   MMCR0_KERNEL_DISABLE MMCR0_FCS
+#define   MMCR0_FCP     0x20000000UL /* freeze in problem state */
+#define   MMCR0_PROBLEM_DISABLE MMCR0_FCP
+#define   MMCR0_FCM1    0x10000000UL /* freeze counters while MSR mark = 1 */
+#define   MMCR0_FCM0    0x08000000UL /* freeze counters while MSR mark = 0 */
+#define   MMCR0_PMXE    0x04000000UL /* performance monitor exception enable */
+#define   MMCR0_FCECE   0x02000000UL /* freeze counters on enabled condition or event */
+/* time base exception enable */
+#define   MMCR0_TBEE    0x00400000UL /* time base exception enable */
+#define   MMCR0_PMC1CE  0x00008000UL /* PMC1 count enable*/
+#define   MMCR0_PMCjCE  0x00004000UL /* PMCj count enable*/
+#define   MMCR0_TRIGGER 0x00002000UL /* TRIGGER enable */
+#define   MMCR0_PMAO    0x00000080UL /* performance monitor alert has occurred, set to 0 after handling exception */
+#define   MMCR0_SHRFC   0x00000040UL /* SHRre freeze conditions between threads */
+#define   MMCR0_FCTI    0x00000008UL /* freeze counters in tags inactive mode */
+#define   MMCR0_FCTA    0x00000004UL /* freeze counters in tags active mode */
+#define   MMCR0_FCWAIT  0x00000002UL /* freeze counter in WAIT state */
+#define   MMCR0_FCHV    0x00000001UL /* freeze conditions in hypervisor mode */
+#define SPRN_MMCR1      798
+
+/* Short-hand versions for a number of the above SPRNs */
+
+#define CTR     SPRN_CTR        /* Counter Register */
+#define DAR     SPRN_DAR        /* Data Address Register */
+#define DABR    SPRN_DABR       /* Data Address Breakpoint Register */
+#define DCMP    SPRN_DCMP       /* Data TLB Compare Register */
+#define DEC     SPRN_DEC        /* Decrement Register */
+#define DMISS   SPRN_DMISS      /* Data TLB Miss Register */
+#define DSISR   SPRN_DSISR      /* Data Storage Interrupt Status Register */
+#define EAR     SPRN_EAR        /* External Address Register */
+#define HASH1   SPRN_HASH1      /* Primary Hash Address Register */
+#define HASH2   SPRN_HASH2      /* Secondary Hash Address Register */
+#define HID0    SPRN_HID0       /* Hardware Implementation Register 0 */
+#define MSRDORM SPRN_MSRDORM    /* MSR Dormant Register */
+#define NIADORM SPRN_NIADORM    /* NIA Dormant Register */
+#define TSC     SPRN_TSC        /* Thread switch control */
+#define TST     SPRN_TST        /* Thread switch timeout */
+#define IABR    SPRN_IABR       /* Instruction Address Breakpoint Register */
+#define ICMP    SPRN_ICMP       /* Instruction TLB Compare Register */
+#define IMISS   SPRN_IMISS      /* Instruction TLB Miss Register */
+#define IMMR    SPRN_IMMR       /* PPC 860/821 Internal Memory Map Register */
+#define L2CR    SPRN_L2CR       /* PPC 750 L2 control register */
+#define __LR    SPRN_LR
+#define PVR     SPRN_PVR        /* Processor Version */
+#define PIR     SPRN_PIR        /* Processor ID */
+#define PURR    SPRN_PURR       /* Processor Utilization of Resource Register */
+//#define       RPA     SPRN_RPA        /* Required Physical Address Register */
+#define SDR1    SPRN_SDR1       /* MMU hash base register */
+#define SPR0    SPRN_SPRG0      /* Supervisor Private Registers */
+#define SPR1    SPRN_SPRG1
+#define SPR2    SPRN_SPRG2
+#define SPR3    SPRN_SPRG3
+#define SPRG0   SPRN_SPRG0
+#define SPRG1   SPRN_SPRG1
+#define SPRG2   SPRN_SPRG2
+#define SPRG3   SPRN_SPRG3
+#define SRR0    SPRN_SRR0       /* Save and Restore Register 0 */
+#define SRR1    SPRN_SRR1       /* Save and Restore Register 1 */
+#define TBRL    SPRN_TBRL       /* Time Base Read Lower Register */
+#define TBRU    SPRN_TBRU       /* Time Base Read Upper Register */
+#define TBWL    SPRN_TBWL       /* Time Base Write Lower Register */
+#define TBWU    SPRN_TBWU       /* Time Base Write Upper Register */
+#define ICTC    1019
+#define THRM1   SPRN_THRM1      /* Thermal Management Register 1 */
+#define THRM2   SPRN_THRM2      /* Thermal Management Register 2 */
+#define THRM3   SPRN_THRM3      /* Thermal Management Register 3 */
+#define XER     SPRN_XER
+
+/* Processor Version Register (PVR) field extraction */
+
+#define PVR_VER(pvr)  (((pvr) >>  16) & 0xFFFF) /* Version field */
+#define PVR_REV(pvr)  (((pvr) >>   0) & 0xFFFF) /* Revison field */
+
+/* Processor Version Numbers */
+#define PV_NORTHSTAR    0x0033
+#define PV_PULSAR       0x0034
+#define PV_POWER4       0x0035
+#define PV_ICESTAR      0x0036
+#define PV_SSTAR        0x0037
+#define PV_POWER4p      0x0038
+#define PV_970          0x0039
+#define PV_POWER5       0x003A
+#define PV_POWER5p      0x003B
+#define PV_970FX        0x003C
+#define PV_630          0x0040
+#define PV_630p         0x0041
+
+/* Platforms supported by PPC64 */
+#define PLATFORM_PSERIES      0x0100
+#define PLATFORM_PSERIES_LPAR 0x0101
+#define PLATFORM_ISERIES_LPAR 0x0201
+#define PLATFORM_LPAR         0x0001
+#define PLATFORM_POWERMAC     0x0400
+#define PLATFORM_MAPLE        0x0500
+
+/* Compatibility with drivers coming from PPC32 world */
+#define _machine        (systemcfg->platform)
+#define _MACH_Pmac      PLATFORM_POWERMAC
+
+/*
+ * List of interrupt controllers.
+ */
+#define IC_INVALID    0
+#define IC_OPEN_PIC   1
+#define IC_PPC_XIC    2
+
+#define XGLUE(a,b) a##b
+#define GLUE(a,b) XGLUE(a,b)
+
+/* iSeries CTRL register (for runlatch) */
+
+#define CTRLT           0x098
+#define CTRLF           0x088
+#define RUNLATCH        0x0001
+
+#ifdef __ASSEMBLY__
+
+#define _GLOBAL(name) \
+        .section ".text"; \
+        .align 2 ; \
+        .globl name; \
+        .globl GLUE(.,name); \
+        .section ".opd","aw"; \
+name: \
+        .quad GLUE(.,name); \
+        .quad .TOC.@tocbase; \
+        .quad 0; \
+        .previous; \
+        .type GLUE(.,name),@function; \
+GLUE(.,name):
+
+#define _STATIC(name) \
+        .section ".text"; \
+        .align 2 ; \
+        .section ".opd","aw"; \
+name: \
+        .quad GLUE(.,name); \
+        .quad .TOC.@tocbase; \
+        .quad 0; \
+        .previous; \
+        .type GLUE(.,name),@function; \
+GLUE(.,name):
+
+#else /* __ASSEMBLY__ */
+
+/*
+ * Default implementation of macro that returns current
+ * instruction pointer ("program counter").
+ */
+#define current_text_addr() ({ __label__ _l; _l: &&_l;})
+
+/* Macros for setting and retrieving special purpose registers */
+
+#define mfmsr()         ({unsigned long rval; \
+                        asm volatile("mfmsr %0" : "=r" (rval)); rval;})
+
+#define __mtmsrd(v, l)  asm volatile("mtmsrd %0," __stringify(l) \
+                                     : : "r" (v))
+#define mtmsrd(v)       __mtmsrd((v), 0)
+
+#define mfspr(rn)       ({unsigned long rval; \
+                        asm volatile("mfspr %0," __stringify(rn) \
+                                     : "=r" (rval)); rval;})
+#define mtspr(rn, v)    asm volatile("mtspr " __stringify(rn) ",%0" : : "r" (v))
+
+#define mftb()          ({unsigned long rval;   \
+                        asm volatile("mftb %0" : "=r" (rval)); rval;})
+
+#define mttbl(v)        asm volatile("mttbl %0":: "r"(v))
+#define mttbu(v)        asm volatile("mttbu %0":: "r"(v))
+
+#define mfasr()         ({unsigned long rval; \
+                        asm volatile("mfasr %0" : "=r" (rval)); rval;})
+
+static inline void set_tb(unsigned int upper, unsigned int lower)
+{
+        mttbl(0);
+        mttbu(upper);
+        mttbl(lower);
+}
+
+#define __get_SP()      ({unsigned long sp; \
+                        asm volatile("mr %0,1": "=r" (sp)); sp;})
+
+#ifdef __KERNEL__
+
+extern int have_of;
+extern u64 ppc64_interrupt_controller;
+
+struct task_struct;
+void start_thread(struct pt_regs *regs, unsigned long fdptr, unsigned long sp);
+void release_thread(struct task_struct *);
+
+/* Prepare to copy thread state - unlazy all lazy status */
+extern void prepare_to_copy(struct task_struct *tsk);
+
+/* Create a new kernel thread. */
+extern long kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
+
+/* Lazy FPU handling on uni-processor */
+extern struct task_struct *last_task_used_math;
+extern struct task_struct *last_task_used_altivec;
+
+/* 64-bit user address space is 41-bits (2TBs user VM) */
+#define TASK_SIZE_USER64 (0x0000020000000000UL)
+
+/* 
+ * 32-bit user address space is 4GB - 1 page 
+ * (this 1 page is needed so referencing of 0xFFFFFFFF generates EFAULT
+ */
+#define TASK_SIZE_USER32 (0x0000000100000000UL - (1*PAGE_SIZE))
+
+#define TASK_SIZE (test_thread_flag(TIF_32BIT) ? \
+                TASK_SIZE_USER32 : TASK_SIZE_USER64)
+
+/* We can't actually tell the TASK_SIZE given just the mm, but default
+ * to the 64-bit case to make sure that enough gets cleaned up. */
+#define MM_VM_SIZE(mm)  TASK_SIZE_USER64
+
+/* This decides where the kernel will search for a free chunk of vm
+ * space during mmap's.
+ */
+#define TASK_UNMAPPED_BASE_USER32 (PAGE_ALIGN(TASK_SIZE_USER32 / 4))
+#define TASK_UNMAPPED_BASE_USER64 (PAGE_ALIGN(TASK_SIZE_USER64 / 4))
+
+#define TASK_UNMAPPED_BASE ((test_thread_flag(TIF_32BIT)||(ppcdebugset(PPCDBG_BINFMT_32ADDR))) ? \
+                TASK_UNMAPPED_BASE_USER32 : TASK_UNMAPPED_BASE_USER64 )
+
+typedef struct {
+        unsigned long seg;
+} mm_segment_t;
+
+struct thread_struct {
+        unsigned long   ksp;            /* Kernel stack pointer */
+        unsigned long   ksp_vsid;
+        struct pt_regs  *regs;          /* Pointer to saved register state */
+        mm_segment_t    fs;             /* for get_fs() validation */
+        double          fpr[32];        /* Complete floating point set */
+        unsigned long   fpscr;          /* Floating point status (plus pad) */
+        unsigned long   fpexc_mode;     /* Floating-point exception mode */
+        unsigned long   start_tb;       /* Start purr when proc switched in */
+        unsigned long   accum_tb;       /* Total accumilated purr for process */
+        unsigned long   vdso_base;      /* base of the vDSO library */
+#ifdef CONFIG_ALTIVEC
+        /* Complete AltiVec register set */
+        vector128       vr[32] __attribute((aligned(16)));
+        /* AltiVec status */
+        vector128       vscr __attribute((aligned(16)));
+        unsigned long   vrsave;
+        int             used_vr;        /* set if process has used altivec */
+#endif /* CONFIG_ALTIVEC */
+};
+
+#define ARCH_MIN_TASKALIGN 16
+
+#define INIT_SP         (sizeof(init_stack) + (unsigned long) &init_stack)
+
+#define INIT_THREAD  { \
+        .ksp = INIT_SP, \
+        .regs = (struct pt_regs *)INIT_SP - 1, \
+        .fs = KERNEL_DS, \
+        .fpr = {0}, \
+        .fpscr = 0, \
+        .fpexc_mode = MSR_FE0|MSR_FE1, \
+}
+
+/*
+ * Note: the vm_start and vm_end fields here should *not*
+ * be in kernel space.  (Could vm_end == vm_start perhaps?)
+ */
+#define IOREMAP_MMAP { &ioremap_mm, 0, 0x1000, NULL, \
+                    PAGE_SHARED, VM_READ | VM_WRITE | VM_EXEC, \
+                    1, NULL, NULL }
+
+extern struct mm_struct ioremap_mm;
+
+/*
+ * Return saved PC of a blocked thread. For now, this is the "user" PC
+ */
+#define thread_saved_pc(tsk)    \
+        ((tsk)->thread.regs? (tsk)->thread.regs->nip: 0)
+
+unsigned long get_wchan(struct task_struct *p);
+
+#define KSTK_EIP(tsk)  ((tsk)->thread.regs? (tsk)->thread.regs->nip: 0)
+#define KSTK_ESP(tsk)  ((tsk)->thread.regs? (tsk)->thread.regs->gpr[1]: 0)
+
+/* Get/set floating-point exception mode */
+#define GET_FPEXC_CTL(tsk, adr) get_fpexc_mode((tsk), (adr))
+#define SET_FPEXC_CTL(tsk, val) set_fpexc_mode((tsk), (val))
+
+extern int get_fpexc_mode(struct task_struct *tsk, unsigned long adr);
+extern int set_fpexc_mode(struct task_struct *tsk, unsigned int val);
+
+static inline unsigned int __unpack_fe01(unsigned long msr_bits)
+{
+        return ((msr_bits & MSR_FE0) >> 10) | ((msr_bits & MSR_FE1) >> 8);
+}
+
+static inline unsigned long __pack_fe01(unsigned int fpmode)
+{
+        return ((fpmode << 10) & MSR_FE0) | ((fpmode << 8) & MSR_FE1);
+}
+
+#define cpu_relax()     do { HMT_low(); HMT_medium(); barrier(); } while (0)
+
+/*
+ * Prefetch macros.
+ */
+#define ARCH_HAS_PREFETCH
+#define ARCH_HAS_PREFETCHW
+#define ARCH_HAS_SPINLOCK_PREFETCH
+
+static inline void prefetch(const void *x)
+{
+        __asm__ __volatile__ ("dcbt 0,%0" : : "r" (x));
+}
+
+static inline void prefetchw(const void *x)
+{
+        __asm__ __volatile__ ("dcbtst 0,%0" : : "r" (x));
+}
+
+#define spin_lock_prefetch(x)   prefetchw(x)
+
+#define HAVE_ARCH_PICK_MMAP_LAYOUT
+
+#endif /* __KERNEL__ */
+
+#endif /* __ASSEMBLY__ */
+
+/*
+ * Number of entries in the SLB. If this ever changes we should handle
+ * it with a use a cpu feature fixup.
+ */
+#define SLB_NUM_ENTRIES 64
+
+#endif /* __ASM_PPC64_PROCESSOR_H */