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/*
* BK Id: SCCS/s.processor.h 1.33 12/01/01 20:09:11 benh
*/
#ifdef __KERNEL__
#ifndef __ASM_PPC_PROCESSOR_H
#define __ASM_PPC_PROCESSOR_H
/*
* Default implementation of macro that returns current
* instruction pointer ("program counter").
*/
#define current_text_addr() ({ __label__ _l; _l: &&_l;})
#include <linux/config.h>
#include <asm/ptrace.h>
#include <asm/types.h>
#include <asm/mpc8xx.h>
/* Machine State Register (MSR) Fields */
#ifdef CONFIG_PPC64BRIDGE
#define MSR_SF (1<<63)
#define MSR_ISF (1<<61)
#endif /* CONFIG_PPC64BRIDGE */
#define MSR_VEC (1<<25) /* Enable AltiVec */
#define MSR_POW (1<<18) /* Enable Power Management */
#define MSR_WE (1<<18) /* Wait State Enable */
#define MSR_TGPR (1<<17) /* TLB Update registers in use */
#define MSR_CE (1<<17) /* Critical Interrupt Enable */
#define MSR_ILE (1<<16) /* Interrupt Little Endian */
#define MSR_EE (1<<15) /* External Interrupt Enable */
#define MSR_PR (1<<14) /* Problem State / Privilege Level */
#define MSR_FP (1<<13) /* Floating Point enable */
#define MSR_ME (1<<12) /* Machine Check Enable */
#define MSR_FE0 (1<<11) /* Floating Exception mode 0 */
#define MSR_SE (1<<10) /* Single Step */
#define MSR_DWE (1<<10) /* Debug Wait Enable (4xx) */
#define MSR_BE (1<<9) /* Branch Trace */
#define MSR_DE (1<<9) /* Debug Exception Enable */
#define MSR_FE1 (1<<8) /* Floating Exception mode 1 */
#define MSR_IP (1<<6) /* Exception prefix 0x000/0xFFF */
#define MSR_IR (1<<5) /* Instruction Relocate */
#define MSR_DR (1<<4) /* Data Relocate */
#define MSR_PE (1<<3) /* Protection Enable */
#define MSR_PX (1<<2) /* Protection Exclusive Mode */
#define MSR_RI (1<<1) /* Recoverable Exception */
#define MSR_LE (1<<0) /* Little Endian */
#ifdef CONFIG_APUS_FAST_EXCEPT
#define MSR_ MSR_ME|MSR_IP|MSR_RI
#else
#define MSR_ MSR_ME|MSR_RI
#endif
#define MSR_KERNEL MSR_|MSR_IR|MSR_DR
#define MSR_USER MSR_KERNEL|MSR_PR|MSR_EE
/* 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 */
/* Special Purpose Registers (SPRNs)*/
#define SPRN_CCR0 0x3B3 /* Core Configuration Register (4xx) */
#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_DBAT0L 0x219 /* Data BAT 0 Lower Register */
#define SPRN_DBAT0U 0x218 /* Data BAT 0 Upper Register */
#define SPRN_DBAT1L 0x21B /* Data BAT 1 Lower Register */
#define SPRN_DBAT1U 0x21A /* Data BAT 1 Upper Register */
#define SPRN_DBAT2L 0x21D /* Data BAT 2 Lower Register */
#define SPRN_DBAT2U 0x21C /* Data BAT 2 Upper Register */
#define SPRN_DBAT3L 0x21F /* Data BAT 3 Lower Register */
#define SPRN_DBAT3U 0x21E /* Data BAT 3 Upper 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 DBSR_IC 0x80000000 /* Instruction Completion */
#define DBSR_TIE 0x10000000 /* Trap Instruction debug Event */
#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_DER 0x095 /* Debug Enable Regsiter */
#define DER_RSTE 0x40000000 /* Reset Interrupt */
#define DER_CHSTPE 0x20000000 /* Check Stop */
#define DER_MCIE 0x10000000 /* Machine Check Interrupt */
#define DER_EXTIE 0x02000000 /* External Interrupt */
#define DER_ALIE 0x01000000 /* Alignment Interrupt */
#define DER_PRIE 0x00800000 /* Program Interrupt */
#define DER_FPUVIE 0x00400000 /* FP Unavailable Interrupt */
#define DER_DECIE 0x00200000 /* Decrementer Interrupt */
#define DER_SYSIE 0x00040000 /* System Call Interrupt */
#define DER_TRE 0x00020000 /* Trace Interrupt */
#define DER_SEIE 0x00004000 /* FP SW Emulation Interrupt */
#define DER_ITLBMSE 0x00002000 /* Imp. Spec. Instruction TLB Miss */
#define DER_ITLBERE 0x00001000 /* Imp. Spec. Instruction TLB Error */
#define DER_DTLBMSE 0x00000800 /* Imp. Spec. Data TLB Miss */
#define DER_DTLBERE 0x00000400 /* Imp. Spec. Data TLB Error */
#define DER_LBRKE 0x00000008 /* Load/Store Breakpoint Interrupt */
#define DER_IBRKE 0x00000004 /* Instruction Breakpoint Interrupt */
#define DER_EBRKE 0x00000002 /* External Breakpoint Interrupt */
#define DER_DPIE 0x00000001 /* Dev. Port Nonmaskable Request */
#define SPRN_DMISS 0x3D0 /* Data TLB Miss Register */
#define SPRN_DSISR 0x012 /* Data Storage Interrupt Status Register */
#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_DFCA (1<<6) /* Data Cache Flush Assist */
#define HID0_BTIC (1<<5) /* Branch Target Instruction Cache Enable */
#define HID0_ABE (1<<3) /* Address Broadcast Enable */
#define HID0_FOLD (1<<3) /* Branch Folding enable - 7450 */
#define HID0_BHTE (1<<2) /* Branch History Table Enable */
#define HID0_BTCD (1<<1) /* Branch target cache disable */
#define HID0_NOPDST (1<<1) /* No-op dst, dstt, etc. instr. */
#define HID0_NOPTI (1<<0) /* No-op dcbt and dcbst instr. */
#define SPRN_HID1 0x3F1 /* Hardware Implementation Register 1 */
#define SPRN_IABR 0x3F2 /* Instruction Address Breakpoint Register */
#define SPRN_IAC1 0x3F4 /* Instruction Address Compare 1 */
#define SPRN_IAC2 0x3F5 /* Instruction Address Compare 2 */
#define SPRN_IBAT0L 0x211 /* Instruction BAT 0 Lower Register */
#define SPRN_IBAT0U 0x210 /* Instruction BAT 0 Upper Register */
#define SPRN_IBAT1L 0x213 /* Instruction BAT 1 Lower Register */
#define SPRN_IBAT1U 0x212 /* Instruction BAT 1 Upper Register */
#define SPRN_IBAT2L 0x215 /* Instruction BAT 2 Lower Register */
#define SPRN_IBAT2U 0x214 /* Instruction BAT 2 Upper Register */
#define SPRN_IBAT3L 0x217 /* Instruction BAT 3 Lower Register */
#define SPRN_IBAT3U 0x216 /* Instruction BAT 3 Upper Register */
#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 L2CR_L2E 0x80000000 /* L2 enable */
#define L2CR_L2PE 0x40000000 /* L2 parity enable */
#define L2CR_L2SIZ_MASK 0x30000000 /* L2 size mask */
#define L2CR_L2SIZ_256KB 0x10000000 /* L2 size 256KB */
#define L2CR_L2SIZ_512KB 0x20000000 /* L2 size 512KB */
#define L2CR_L2SIZ_1MB 0x30000000 /* L2 size 1MB */
#define L2CR_L2CLK_MASK 0x0e000000 /* L2 clock mask */
#define L2CR_L2CLK_DISABLED 0x00000000 /* L2 clock disabled */
#define L2CR_L2CLK_DIV1 0x02000000 /* L2 clock / 1 */
#define L2CR_L2CLK_DIV1_5 0x04000000 /* L2 clock / 1.5 */
#define L2CR_L2CLK_DIV2 0x08000000 /* L2 clock / 2 */
#define L2CR_L2CLK_DIV2_5 0x0a000000 /* L2 clock / 2.5 */
#define L2CR_L2CLK_DIV3 0x0c000000 /* L2 clock / 3 */
#define L2CR_L2RAM_MASK 0x01800000 /* L2 RAM type mask */
#define L2CR_L2RAM_FLOW 0x00000000 /* L2 RAM flow through */
#define L2CR_L2RAM_PIPE 0x01000000 /* L2 RAM pipelined */
#define L2CR_L2RAM_PIPE_LW 0x01800000 /* L2 RAM pipelined latewr */
#define L2CR_L2DO 0x00400000 /* L2 data only */
#define L2CR_L2I 0x00200000 /* L2 global invalidate */
#define L2CR_L2CTL 0x00100000 /* L2 RAM control */
#define L2CR_L2WT 0x00080000 /* L2 write-through */
#define L2CR_L2TS 0x00040000 /* L2 test support */
#define L2CR_L2OH_MASK 0x00030000 /* L2 output hold mask */
#define L2CR_L2OH_0_5 0x00000000 /* L2 output hold 0.5 ns */
#define L2CR_L2OH_1_0 0x00010000 /* L2 output hold 1.0 ns */
#define L2CR_L2SL 0x00008000 /* L2 DLL slow */
#define L2CR_L2DF 0x00004000 /* L2 differential clock */
#define L2CR_L2BYP 0x00002000 /* L2 DLL bypass */
#define L2CR_L2IP 0x00000001 /* L2 GI in progress */
#define SPRN_L2CR2 0x3f8
#define SPRN_L3CR 0x3FA /* Level 3 Cache Control Regsiter (7450) */
#define L3CR_L3E 0x80000000 /* L3 enable */
#define SPRN_MSSCR0 0x3f6 /* Memory Subsystem Control Register 0 */
#define SPRN_MSSSR0 0x3f7 /* Memory Subsystem Status Register 1 */
#define SPRN_ICTRL 0x3f3 /* Instruction Cache & Interrupt control reg */
#define SPRN_LDSTCR 0x3f8 /* Load/Store control register */
#define SPRN_LDSTDB 0x3f4 /* */
#define SPRN_LR 0x008 /* Link Register */
#define SPRN_MMCR0 0x3B8 /* Monitor Mode Control Register 0 */
#define SPRN_MMCR1 0x3BC /* Monitor Mode Control Register 1 */
#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_PMC1 0x3B9 /* Performance Counter Register 1 */
#define SPRN_PMC2 0x3BA /* Performance Counter Register 2 */
#define SPRN_PMC3 0x3BD /* Performance Counter Register 3 */
#define SPRN_PMC4 0x3BE /* Performance Counter Register 4 */
#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_SPRG4 0x114 /* Special Purpose Register General 4 (4xx) */
#define SPRN_SPRG5 0x115 /* Special Purpose Register General 5 (4xx) */
#define SPRN_SPRG6 0x116 /* Special Purpose Register General 6 (4xx) */
#define SPRN_SPRG7 0x117 /* Special Purpose Register General 7 (4xx) */
#define SPRN_SRR0 0x01A /* Save/Restore Register 0 */
#define SPRN_SRR1 0x01B /* Save/Restore Register 1 */
#define SPRN_SRR2 0x3DE /* Save/Restore Register 2 */
#define SPRN_SRR3 0x3DF /* Save/Restore Register 3 */
#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 (supervisor, R/W) */
#define SPRN_TBWU 0x11D /* Time Base Upper Register (supervisor, R/W) */
#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 */
/* these bits were defined in inverted endian sense originally, ugh, confusing */
#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)
#define SPRN_THRM2 0x3FD /* Thermal Management Register 2 */
#define SPRN_THRM3 0x3FE /* Thermal Management Register 3 */
#define THRM3_E (1<<0)
#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_UMMCR0 0x3A8 /* User Monitor Mode Control Register 0 */
#define SPRN_UMMCR1 0x3AC /* User Monitor Mode Control Register 0 */
#define SPRN_UPMC1 0x3A9 /* User Performance Counter Register 1 */
#define SPRN_UPMC2 0x3AA /* User Performance Counter Register 2 */
#define SPRN_UPMC3 0x3AD /* User Performance Counter Register 3 */
#define SPRN_UPMC4 0x3AE /* User Performance Counter Register 4 */
#define SPRN_USIA 0x3AB /* User Sampled Instruction Address Register */
#define SPRN_VRSAVE 0x100 /* Vector Register Save Register */
#define SPRN_XER 0x001 /* Fixed Point Exception Register */
#define SPRN_ZPR 0x3B0 /* Zone Protection Register */
/* 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 DBAT0L SPRN_DBAT0L /* Data BAT 0 Lower Register */
#define DBAT0U SPRN_DBAT0U /* Data BAT 0 Upper Register */
#define DBAT1L SPRN_DBAT1L /* Data BAT 1 Lower Register */
#define DBAT1U SPRN_DBAT1U /* Data BAT 1 Upper Register */
#define DBAT2L SPRN_DBAT2L /* Data BAT 2 Lower Register */
#define DBAT2U SPRN_DBAT2U /* Data BAT 2 Upper Register */
#define DBAT3L SPRN_DBAT3L /* Data BAT 3 Lower Register */
#define DBAT3U SPRN_DBAT3U /* Data BAT 3 Upper 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 HID1 SPRN_HID1 /* Hardware Implementation Register 1 */
#define IABR SPRN_IABR /* Instruction Address Breakpoint Register */
#define IBAT0L SPRN_IBAT0L /* Instruction BAT 0 Lower Register */
#define IBAT0U SPRN_IBAT0U /* Instruction BAT 0 Upper Register */
#define IBAT1L SPRN_IBAT1L /* Instruction BAT 1 Lower Register */
#define IBAT1U SPRN_IBAT1U /* Instruction BAT 1 Upper Register */
#define IBAT2L SPRN_IBAT2L /* Instruction BAT 2 Lower Register */
#define IBAT2U SPRN_IBAT2U /* Instruction BAT 2 Upper Register */
#define IBAT3L SPRN_IBAT3L /* Instruction BAT 3 Lower Register */
#define IBAT3U SPRN_IBAT3U /* Instruction BAT 3 Upper 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 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 SPR4 SPRN_SPRG4 /* Supervisor Private Registers (4xx) */
#define SPR5 SPRN_SPRG5
#define SPR6 SPRN_SPRG6
#define SPR7 SPRN_SPRG7
#define SPRG0 SPRN_SPRG0
#define SPRG1 SPRN_SPRG1
#define SPRG2 SPRN_SPRG2
#define SPRG3 SPRN_SPRG3
#define SPRG4 SPRN_SPRG4
#define SPRG5 SPRN_SPRG5
#define SPRG6 SPRN_SPRG6
#define SPRG7 SPRN_SPRG7
#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 */
/* Processor Version Register (PVR) field extraction */
#define PVR_VER(pvr) (((pvr) >> 16) & 0xFFFF) /* Version field */
#define PVR_REV(pvr) (((pvr) >> 0) & 0xFFFF) /* Revison field */
/*
* IBM has further subdivided the standard PowerPC 16-bit version and
* revision subfields of the PVR for the PowerPC 403s into the following:
*/
#define PVR_FAM(pvr) (((pvr) >> 20) & 0xFFF) /* Family field */
#define PVR_MEM(pvr) (((pvr) >> 16) & 0xF) /* Member field */
#define PVR_CORE(pvr) (((pvr) >> 12) & 0xF) /* Core field */
#define PVR_CFG(pvr) (((pvr) >> 8) & 0xF) /* Configuration field */
#define PVR_MAJ(pvr) (((pvr) >> 4) & 0xF) /* Major revision field */
#define PVR_MIN(pvr) (((pvr) >> 0) & 0xF) /* Minor revision field */
/* Processor Version Numbers */
#define PVR_403GA 0x00200000
#define PVR_403GB 0x00200100
#define PVR_403GC 0x00200200
#define PVR_403GCX 0x00201400
#define PVR_405GP 0x40110000
#define PVR_STB03XXX 0x40310000
#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_7400 0x000C0000
#define PVR_7410 0x800C0000
/*
* For the 8xx processors, all of them report the same PVR family for
* the PowerPC core. The various versions of these processors must be
* differentiated by the version number in the Communication Processor
* Module (CPM).
*/
#define PVR_821 0x00500000
#define PVR_823 PVR_821
#define PVR_850 PVR_821
#define PVR_860 PVR_821
#define PVR_8240 0x00810100
#define PVR_8260 PVR_8240
/* We only need to define a new _MACH_xxx for machines which are part of
* a configuration which supports more than one type of different machine.
* This is currently limited to CONFIG_ALL_PPC and CHRP/PReP/PMac. -- Tom
*/
#define _MACH_prep 0x00000001
#define _MACH_Pmac 0x00000002 /* pmac or pmac clone (non-chrp) */
#define _MACH_chrp 0x00000004 /* chrp machine */
/* see residual.h for these */
#define _PREP_Motorola 0x01 /* motorola prep */
#define _PREP_Firm 0x02 /* firmworks prep */
#define _PREP_IBM 0x00 /* ibm prep */
#define _PREP_Bull 0x03 /* bull prep */
/* these are arbitrary */
#define _CHRP_Motorola 0x04 /* motorola chrp, the cobra */
#define _CHRP_IBM 0x05 /* IBM chrp, the longtrail and longtrail 2 */
#define _GLOBAL(n)\
.globl n;\
n:
/* Macros for setting and retrieving special purpose registers */
#define stringify(s) tostring(s)
#define tostring(s) #s
#define mfdcr(rn) ({unsigned int rval; \
asm volatile("mfdcr %0," stringify(rn) \
: "=r" (rval)); rval;})
#define mtdcr(rn, v) asm volatile("mtdcr " stringify(rn) ",%0" : : "r" (v))
#define mfmsr() ({unsigned int rval; \
asm volatile("mfmsr %0" : "=r" (rval)); rval;})
#define mtmsr(v) asm volatile("mtmsr %0" : : "r" (v))
#define mfspr(rn) ({unsigned int rval; \
asm volatile("mfspr %0," stringify(rn) \
: "=r" (rval)); rval;})
#define mtspr(rn, v) asm volatile("mtspr " stringify(rn) ",%0" : : "r" (v))
/* Segment Registers */
#define SR0 0
#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
#ifndef __ASSEMBLY__
#if defined(CONFIG_ALL_PPC)
extern int _machine;
/* what kind of prep workstation we are */
extern int _prep_type;
/*
* This is used to identify the board type from a given PReP board
* vendor. Board revision is also made available.
*/
extern unsigned char ucSystemType;
extern unsigned char ucBoardRev;
extern unsigned char ucBoardRevMaj, ucBoardRevMin;
#else
#define _machine 0
#endif /* CONFIG_ALL_PPC */
struct task_struct;
void start_thread(struct pt_regs *regs, unsigned long nip, unsigned long sp);
void release_thread(struct task_struct *);
/*
* Create a new kernel thread.
*/
extern long kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
/*
* Bus types
*/
#define EISA_bus 0
#define EISA_bus__is_a_macro /* for versions in ksyms.c */
#define MCA_bus 0
#define MCA_bus__is_a_macro /* for versions in ksyms.c */
/* Lazy FPU handling on uni-processor */
extern struct task_struct *last_task_used_math;
extern struct task_struct *last_task_used_altivec;
/*
* this is the minimum allowable io space due to the location
* of the io areas on prep (first one at 0x80000000) but
* as soon as I get around to remapping the io areas with the BATs
* to match the mac we can raise this. -- Cort
*/
#define TASK_SIZE (0x80000000UL)
/* This decides where the kernel will search for a free chunk of vm
* space during mmap's.
*/
#define TASK_UNMAPPED_BASE (TASK_SIZE / 8 * 3)
typedef struct {
unsigned long seg;
} mm_segment_t;
struct thread_struct {
unsigned long ksp; /* Kernel stack pointer */
unsigned long wchan; /* Event task is sleeping on */
struct pt_regs *regs; /* Pointer to saved register state */
mm_segment_t fs; /* for get_fs() validation */
void *pgdir; /* root of page-table tree */
signed long last_syscall;
double fpr[32]; /* Complete floating point set */
unsigned long fpscr_pad; /* fpr ... fpscr must be contiguous */
unsigned long fpscr; /* Floating point status */
#ifdef CONFIG_ALTIVEC
vector128 vr[32]; /* Complete AltiVec set */
vector128 vscr; /* AltiVec status */
unsigned long vrsave;
#endif /* CONFIG_ALTIVEC */
};
#define INIT_SP (sizeof(init_stack) + (unsigned long) &init_stack)
#define INIT_THREAD { \
INIT_SP, /* ksp */ \
0, /* wchan */ \
0, /* regs */ \
KERNEL_DS, /*fs*/ \
swapper_pg_dir, /* pgdir */ \
0, /* last_syscall */ \
{0}, 0, 0 \
}
/*
* Return saved PC of a blocked thread. For now, this is the "user" PC
*/
static inline unsigned long thread_saved_pc(struct thread_struct *t)
{
return (t->regs) ? t->regs->nip : 0;
}
#define copy_segments(tsk, mm) do { } while (0)
#define release_segments(mm) do { } while (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)
/*
* NOTE! The task struct and the stack go together
*/
#define THREAD_SIZE (2*PAGE_SIZE)
#define alloc_task_struct() \
((struct task_struct *) __get_free_pages(GFP_KERNEL,1))
#define free_task_struct(p) free_pages((unsigned long)(p),1)
#define get_task_struct(tsk) atomic_inc(&virt_to_page(tsk)->count)
/* in process.c - for early bootup debug -- Cort */
int ll_printk(const char *, ...);
void ll_puts(const char *);
#define init_task (init_task_union.task)
#define init_stack (init_task_union.stack)
/* In misc.c */
void _nmask_and_or_msr(unsigned long nmask, unsigned long or_val);
#define cpu_relax() do { } while (0)
/*
* Prefetch macros.
*/
#define ARCH_HAS_PREFETCH
#define ARCH_HAS_PREFETCHW
#define ARCH_HAS_SPINLOCK_PREFETCH
extern inline void prefetch(const void *x)
{
__asm__ __volatile__ ("dcbt 0,%0" : : "r" (x));
}
extern inline void prefetchw(const void *x)
{
__asm__ __volatile__ ("dcbtst 0,%0" : : "r" (x));
}
#define spin_lock_prefetch(x) prefetchw(x)
#endif /* !__ASSEMBLY__ */
#define have_of (_machine == _MACH_chrp || _machine == _MACH_Pmac)
#endif /* __ASM_PPC_PROCESSOR_H */
#endif /* __KERNEL__ */
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