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Diffstat (limited to 'include/asm-ppc64/processor.h')
| -rw-r--r-- | include/asm-ppc64/processor.h | 667 |
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 00000000000..eb33d33cfd6 --- /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 */ |