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/*
* Creation Date: <2000/10/29 01:43:29 samuel>
* Time-stamp: <2003/07/27 22:37:49 samuel>
*
* <processor.h>
*
* Extract from <asm/processor.h>
*
*
* 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
*
*/
#ifndef _H_PROCESSOR
#define _H_PROCESSOR
#define PTE0_VSID(s) (((s)>>7) & 0xffffff)
#define PTE0_V BIT(0)
#define PTE0_H BIT(25)
#define PTE0_API 0x3f
#define PTE1_R BIT(23)
#define PTE1_C BIT(24)
#define PTE1_W BIT(25)
#define PTE1_I BIT(26)
#define PTE1_M BIT(27)
#define PTE1_G BIT(28)
#define PTE1_WIMG (PTE1_W | PTE1_I | PTE1_M | PTE1_G)
#define PTE1_PP 0x3
#define PTE1_RPN (~0xfffUL)
#define VSID_Ks BIT(1)
#define VSID_Kp BIT(2)
#define VSID_N BIT(3)
#ifndef MSR_VEC
#define MSR_SF (1 << 63) /* Sixty-Four Bit Mode */
#define MSR_VEC (1<<25) /* 6: Enable AltiVec */
#define MSR_POW (1<<18) /* 13: Enable Power Management */
#define MSR_TGPR (1<<17) /* 14: TLB Update registers in use */
#define MSR_ILE (1<<16) /* 15: Interrupt Little Endian */
#define MSR_EE (1<<15) /* 16: External Interrupt Enable */
#define MSR_PR (1<<14) /* 17: Privilege Level */
#define MSR_FP (1<<13) /* 18: Floating Point enable */
#define MSR_ME (1<<12) /* 19: Machine Check Enable */
#define MSR_FE0 (1<<11) /* 20: Floating Exception mode 0 */
#define MSR_SE (1<<10) /* 21: Single Step */
#define MSR_BE (1<<9) /* 22: Branch Trace */
#define MSR_FE1 (1<<8) /* 23: Floating Exception mode 1 */
#define MSR_IP (1<<6) /* 25: Exception prefix 0x000/0xFFF */
#define MSR_IR (1<<5) /* 26: Instruction Relocate */
#define MSR_DR (1<<4) /* 27: Data Relocate */
#define MSR_PE (1<<2) /* 29: Performance Monitor Flag */
#define MSR_RI (1<<1) /* 30: Recoverable Exception */
#define MSR_LE (1<<0) /* 31: Little Endian */
#endif /* MSR_VEC */
#ifndef S_SPRG0
#define NUM_SPRS 1024
//#define S_XER 1
#define S_RTCU_R 4 /* 601 RTC Upper/Lower (Reading) */
#define S_RTCL_R 5
//#define S_LR 8
//#define S_CTR 9
#define S_DSISR 18 /* Source Instruction Service Register */
#define S_DAR 19 /* Data Address Register */
#define S_RTCU_W 20 /* 601 RTC Upper/Lower (Writing) */
#define S_RTCL_W 21
#define S_DEC 22 /* Decrementer Register */
#define S_SDR1 25 /* Table Search Description Register */
#define S_SRR0 26 /* Save and Restore Register 0 */
#define S_SRR1 27 /* Save and Restore Register 1 */
#define S_VRSAVE 256 /* (AltiVec) Vector Register Save Register */
#define S_TBRL 268 /* Time base Upper/Lower (Reading) */
#define S_TBRU 269
#define S_SPRG0 272 /* SPR General 0-3 */
#define S_SPRG1 273
#define S_SPRG2 274
#define S_SPRG3 275
#define S_SPRG4 276 /* SPR General 4-7 (7445/7455) */
#define S_SPRG5 277
#define S_SPRG6 278
#define S_SPRG7 279
#define S_EAR 282 /* External Access Register */
#define S_TBWL 284 /* Time base Upper/Lower (Writing) */
#define S_TBWU 285
#define S_PVR 287 /* Processor Version Register */
#define S_HIOR 311 /* Hardware Interrupt Offset Register */
#define S_IBAT0U 528
#define S_IBAT0L 529
#define S_IBAT1U 530
#define S_IBAT1L 531
#define S_IBAT2U 532
#define S_IBAT2L 533
#define S_IBAT3U 534
#define S_IBAT3L 535
#define S_DBAT0U 536
#define S_DBAT0L 537
#define S_DBAT1U 538
#define S_DBAT1L 539
#define S_DBAT2U 540
#define S_DBAT2L 541
#define S_DBAT3U 542
#define S_DBAT3L 543
#define S_UMMCR2 928
#define S_UPMC5 929 /* User Performance Monitor Counter Register */
#define S_UPMC6 930
#define S_UBAMR 935
#define S_UMMCR0 936 /* User Monitor Mode Control Register */
#define S_UPMC1 937
#define S_UPMC2 938
#define S_USIAR 939 /* User Sampled Instruction Address Register */
#define S_UMMCR1 940
#define S_UPMC3 941
#define S_UPMC4 942 /* User Performance Monitor Counter Register 4 */
#define S_USDAR 943 /* User Sampled Data Address Register */
#define S_MMCR2 944 /* Monitor Mode Control Register */
#define S_PMC5 945
#define S_PMC6 946
#define S_BAMR 951 /* Breakpoint Address Mask Register (74xx) */
#define S_MMCR0 952 /* Monitor Mode Control Register 0 */
#define S_PMC1 953 /* Performance Counter Register */
#define S_PMC2 954
#define S_SIAR 955 /* Sampled Instruction Address Register */
#define S_MMCR1 956
#define S_PMC3 957
#define S_PMC4 958
#define S_SDAR 959 /* Sampled Data Address Register */
#define S_DMISS 976 /* 603 */
#define S_DCMP 977 /* 603 */
#define S_HASH1 978 /* 603 */
#define S_HASH2 979 /* 603 */
#define S_IMISS 980 /* 603 */
#define S_TLBMISS 980 /* 7445/7455 */
#define S_ICMP 981 /* 603 */
#define S_PTEHI 981 /* 7445/7455 */
#define S_RPA 982 /* 603 */
#define S_PTELO 982 /* 7445/7455 */
#define S_L3PM 983 /* L3 Private Memory Address Control Register */
#define S_L3ITCR0 984 /* ??? */
#define S_L3OHCR 1000 /* ??? */
#define S_L3ITCR1 1001 /* ??? */
#define S_L3ITCR2 1002 /* ??? */
#define S_L3ITCR3 1003 /* ??? */
#define S_HID0 1008 /* Hardware Implementation Registers */
#define S_HID1 1009
#define S_HID2 1010
#define S_IABR S_HID2 /* HID2 - Instruction Address Breakpoint Register */
#define S_ICTRL 1011 /* HID3 - Instruction Cache & Interrupt control reg */
#define S_HID4 1012 /* HID4 - Instruction Address Compare 1 (?) */
#define S_HID5 1013
#define S_DABR S_HID5 /* HID5 - Data Address Breakpoint */
#define S_MSSCR0 1014 /* HID6 - Memory Subsystem Control Register 0 */
#define S_MSSCR1 1015 /* HID7 - Memory Subsystem Control Register 1 */
#define S_LDSTCR 1016 /* HID8 - Load/Store Control Register */
#define S_L2CR 1017 /* HID9 - Level 2 Cache Control Regsiter */
#define S_L3CR 1018 /* HID10 - Level 3 Cache Control Regsiter (7450) */
#define S_HID11 1019
#define S_ICTC S_HID11 /* HID11 - Instruction Cache Throttling Control Reg */
#define S_ICCR S_HID11 /* Instruction Cache Cacheability Reigster */
#define S_THRM1 1020 /* HID12 - Thermal Management Register 1 */
#define S_THRM2 1021 /* HID13 - Thermal Management Register 2 */
#define S_THRM3 1022 /* HID14 - Thermal Management Register 3 */
#define S_HID15 1023
#define S_PIR S_HID15 /* HID15 - Processor Identification Register */
#endif /* S_SPRG0 */
/* the kernel might define these too... */
#if !defined(__KERNEL__) || defined(__ASSEMBLY__)
/* 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-devide 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 */
/* SPR_HID0 */
#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_NHR (1<<16) /* Not Hard Reset */
#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_DCFI (1<<10) /* Data Cache Flash 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_BHT (1<<2) /* Branch History Table Enable */
#define HID0_BTCD (1<<1) /* Branch target cache disable */
#define L2CR_L2E BIT(0) /* L2 enable */
#define L2CR_L2PE BIT(1) /* L2 data parity generation and checking */
#define L2CR_L2SIZ_512K BIT(2)
#define L2CR_L2SIZ_256K BIT(3)
#define L2CR_L2SIZ_1MB (BIT(2)|BIT(3))
#define L2CR_L2CLK_1 BIT(6) /* L2 clock ration */
#define L2CR_L2CLK_15 (BIT(6)*2)
#define L2CR_L2CLK_2 (BIT(6)*4)
#define L2CR_L2CLK_25 (BIT(6)*5)
#define L2CR_L2CLK_3 (BIT(6)*6)
#define L2CR_L2RAM_FT 0 /* flow-through (reg-buf) synchronous SRAM */
#define L2CR_L2RAM_PB BIT(7) /* Piplined (reg-reg) synchronous burst SRAM */
#define L2CR_L2RAM_PLW (BIT(7)|BIT(8)) /* Piplined (reg-reg) synchronous late-write */
#define L2CR_L2DO BIT(9) /* L2 data-only */
#define L2CR_L2I BIT(10) /* L2 global invalidate */
#define L2CR_L2CTL BIT(11) /* L2 RAM control (ZZ enable, low-power mode) */
#define L2CR_L2WT BIT(12) /* L2 write-through */
#define L2CR_L2TS BIT(13) /* L2 test support */
#define L2CR_L2OH_05 0 /* L2 output hold 0.5 nS */
#define L2CR_L2OH_10 BIT(15) /* L2 output hold 1.0 nS */
#define L2CR_L2SL BIT(16) /* L2 DLL slow (use if bus freq < 150 MHz) */
#define L2CR_L2DF BIT(17) /* L2 differential clock */
#define L2CR_L2BYP BIT(18) /* L2 DLL bypass */
#define L2CR_L2IP BIT(31) /* L2 global invalidate in progress */
/* SPR_THRM1 */
#define THRM1_TIN (1 << 31)
#define THRM1_TIV (1 << 30)
#define THRM1_THRES(x) ((x&0x7f)<<23)
#define THRM3_SITV(x) ((x&0x3fff)<<1)
#define THRM1_TID (1<<2)
#define THRM1_TIE (1<<1)
#define THRM1_V (1<<0)
/* SPR_THRM3 */
#define THRM3_E (1<<0)
/* Processor Version Numbers */
#define PVR_VER(pvr) (((pvr) >> 16) & 0xFFFF) /* Version field */
#define PVR_REV(pvr) (((pvr) >> 0) & 0xFFFF) /* Revison field */
#define PVR_403GA 0x00200000
#define PVR_403GB 0x00200100
#define PVR_403GC 0x00200200
#define PVR_403GCX 0x00201400
#define PVR_405GP 0x40110000
#define PVR_601 0x00010000
#define PVR_602 0x00050000
#define PVR_603 0x00030000
#define PVR_603e 0x00060000
#define PVR_603ev 0x00070000
#define PVR_603r 0x00071000
#define PVR_604 0x00040000
#define PVR_604e 0x00090000
#define PVR_604r 0x000A0000
#define PVR_620 0x00140000
#define PVR_740 0x00080000
#define PVR_750 PVR_740
#define PVR_740P 0x10080000
#define PVR_750P PVR_740P
#define PVR_821 0x00500000
#define PVR_823 PVR_821
#define PVR_850 PVR_821
#define PVR_860 PVR_821
#define PVR_7400 0x000C0000
#define PVR_8240 0x00810100
#define PVR_8260 PVR_8240
/* Vector VSCR register */
#define VSCR_NJ 0x10000
#define VSCR_SAT 0x1
#endif /* __KERNEL__ */
#ifdef __ASSEMBLY__
#define CTR S_CTR /* Counter Register */
#define DAR S_DAR /* Data Address Register */
#define DABR S_DABR /* Data Address Breakpoint Register */
#define DBAT0L S_DBAT0L /* Data BAT 0 Lower Register */
#define DBAT0U S_DBAT0U /* Data BAT 0 Upper Register */
#define DBAT1L S_DBAT1L /* Data BAT 1 Lower Register */
#define DBAT1U S_DBAT1U /* Data BAT 1 Upper Register */
#define DBAT2L S_DBAT2L /* Data BAT 2 Lower Register */
#define DBAT2U S_DBAT2U /* Data BAT 2 Upper Register */
#define DBAT3L S_DBAT3L /* Data BAT 3 Lower Register */
#define DBAT3U S_DBAT3U /* Data BAT 3 Upper Register */
#define DCMP S_DCMP /* Data TLB Compare Register */
#define DEC S_DEC /* Decrement Register */
#define DMISS S_DMISS /* Data TLB Miss Register */
#define DSISR S_DSISR /* Data Storage Interrupt Status Register */
#define EAR S_EAR /* External Address Register */
#define HASH1 S_HASH1 /* Primary Hash Address Register */
#define HASH2 S_HASH2 /* Secondary Hash Address Register */
#define HID0 S_HID0 /* Hardware Implementation Register 0 */
#define HID1 S_HID1 /* Hardware Implementation Register 1 */
#define IABR S_IABR /* Instruction Address Breakpoint Register */
#define IBAT0L S_IBAT0L /* Instruction BAT 0 Lower Register */
#define IBAT0U S_IBAT0U /* Instruction BAT 0 Upper Register */
#define IBAT1L S_IBAT1L /* Instruction BAT 1 Lower Register */
#define IBAT1U S_IBAT1U /* Instruction BAT 1 Upper Register */
#define IBAT2L S_IBAT2L /* Instruction BAT 2 Lower Register */
#define IBAT2U S_IBAT2U /* Instruction BAT 2 Upper Register */
#define IBAT3L S_IBAT3L /* Instruction BAT 3 Lower Register */
#define IBAT3U S_IBAT3U /* Instruction BAT 3 Upper Register */
#define ICMP S_ICMP /* Instruction TLB Compare Register */
#define IMISS S_IMISS /* Instruction TLB Miss Register */
#define IMMR S_IMMR /* PPC 860/821 Internal Memory Map Register */
#define L2CR S_L2CR /* PPC 750 L2 control register */
#define PVR S_PVR /* Processor Version */
#define RPA S_RPA /* Required Physical Address Register */
#define SDR1 S_SDR1 /* MMU hash base register */
#define SPR0 S_SPRG0 /* Supervisor Private Registers */
#define SPR1 S_SPRG1
#define SPR2 S_SPRG2
#define SPR3 S_SPRG3
#define SPRG0 S_SPRG0
#define SPRG1 S_SPRG1
#define SPRG2 S_SPRG2
#define SPRG3 S_SPRG3
#define SRR0 S_SRR0 /* Save and Restore Register 0 */
#define SRR1 S_SRR1 /* Save and Restore Register 1 */
#define TBRL S_STBRL /* Time Base Read Lower Register */
#define TBRU S_TBRU /* Time Base Read Upper Register */
#define TBWL S_TBWL /* Time Base Write Lower Register */
#define TBWU S_TBWU /* Time Base Write Upper Register */
#define ICTC S_ICTC
#define THRM1 S_THRM1 /* Thermal Management Register 1 */
#define THRM2 S_THRM2 /* Thermal Management Register 2 */
#define THRM3 S_THRM3 /* Thermal Management Register 3 */
#define SIAR S_SIAR
#define SDAR S_SDAR
#define XER 1
#define SR0 0 /* Segment registers */
#define SR1 1
#define SR2 2
#define SR3 3
#define SR4 4
#define SR5 5
#define SR6 6
#define SR7 7
#define SR8 8
#define SR9 9
#define SR10 10
#define SR11 11
#define SR12 12
#define SR13 13
#define SR14 14
#define SR15 15
#endif /* __ASSEMBLY__ */
/* opcode macros */
#define OPCODE_PRIM(n) ( ((unsigned long)(n)) >> 26 )
#define OPCODE_EXT(n) ( (((unsigned long)(n)) >> 1) & 0x3ff )
#define OPCODE(op,op_ext) ( ((op)<<10) + op_ext )
#define B1(n) ( (((unsigned long)(n)) >> 21) & 0x1f )
#define B2(n) ( (((unsigned long)(n)) >> 16) & 0x1f )
#define B3(n) ( (((unsigned long)(n)) >> 11) & 0x1f )
#define BD(n) ((unsigned long)((n) & 0x7fff) + (((n) & 0x8000) ? (unsigned long)0xffff8000 : 0))
#define SPRNUM_FLIP( v ) ( (((v)>>5) & 0x1f) | (((v)<<5) & 0x3e0) )
/* C helpers */
#ifndef __ASSEMBLER__
#define __stringify_1(x) #x
#define __stringify(x) __stringify_1(x)
#define mtspr(rn, v) asm volatile("mtspr " __stringify(rn) ",%0" : : "r" (v))
static inline unsigned long mfmsr(void)
{
unsigned long msr;
asm volatile("mfmsr %0" : "=r" (msr));
return msr;
}
static inline void mtmsr(unsigned long msr)
{
#ifdef __powerpc64__
asm volatile("mtmsrd %0" :: "r" (msr));
#else
asm volatile("mtmsr %0" :: "r" (msr));
#endif
}
#ifdef __powerpc64__
#define SDR1_HTABORG_MASK 0x3FFFFFFFFFFC0000UL
#else
#define SDR1_HTABORG_MASK 0xffff0000
#endif
static inline unsigned long mfsdr1(void)
{
unsigned long sdr1;
asm volatile("mfsdr1 %0" : "=r" (sdr1));
return sdr1;
}
static inline void mtsdr1(unsigned long sdr1)
{
asm volatile("mtsdr1 %0" :: "r" (sdr1));
}
static inline unsigned int mfpvr(void)
{
unsigned int pvr;
asm volatile("mfspr %0, 0x11f" : "=r" (pvr) );
return pvr;
}
static inline void slbia(void)
{
asm volatile("slbia" ::: "memory");
}
static inline void slbmte(unsigned long rs, unsigned long rb)
{
asm volatile("slbmte %0,%1 ; isync" :: "r" (rs), "r" (rb) : "memory");
}
#endif /* !__ASSEMBLER__ */
#endif /* _H_PROCESSOR */