/* * BK Id: SCCS/s.processor.h 1.54 12/03/01 10:43:33 trini */ #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 #include #include #include /* 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 DBCR0_EDM 0x80000000 /* External Debug Mode */ #define DBCR0_IDM 0x40000000 /* Internal Debug Mode */ #define DBCR0_RST 0x30000000 /* all the bits in the RST field */ #define DBCR0_RST_SYSTEM 0x30000000 /* System Reset */ #define DBCR0_RST_CHIP 0x20000000 /* Chip Reset */ #define DBCR0_RST_CORE 0x10000000 /* Core Reset */ #define DBCR0_RST_NONE 0x00000000 /* No Reset */ #define DBCR0_IC 0x08000000 /* Instruction Completion */ #define DBCR0_BT 0x04000000 /* Branch Taken */ #define DBCR0_EDE 0x02000000 /* Exception Debug Event */ #define DBCR0_TDE 0x01000000 /* TRAP Debug Event */ #define DBCR0_IA1 0x00800000 /* Instr Addr compare 1 enable */ #define DBCR0_IA2 0x00400000 /* Instr Addr compare 2 enable */ #define DBCR0_IA12 0x00200000 /* Instr Addr 1-2 range enable */ #define DBCR0_IA12X 0x00100000 /* Instr Addr 1-2 range eXclusive */ #define DBCR0_IA3 0x00080000 /* Instr Addr compare 3 enable */ #define DBCR0_IA4 0x00040000 /* Instr Addr compare 4 enable */ #define DBCR0_IA34 0x00020000 /* Instr Addr 3-4 range Enable */ #define DBCR0_IA34X 0x00010000 /* Instr Addr 3-4 range eXclusive */ #define DBCR0_IA12T 0x00008000 /* Instr Addr 1-2 range Toggle */ #define DBCR0_IA34T 0x00004000 /* Instr Addr 3-4 range Toggle */ #define DBCR0_FT 0x00000001 /* Freeze Timers on debug event */ #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_TBEN (1<<26) /* Timebase enable - 7450 */ #define HID0_ECLK (1<<25) #define HID0_PAR (1<<24) #define HID0_STEN (1<<24) /* S/W Tablewalk enable - 7450 */ #define HID0_DOZE (1<<23) #define HID0_NAP (1<<22) #define HID0_SLEEP (1<<21) #define HID0_DPM (1<<20) #define HID0_BHTCLR (1<<18) /* Clear branch history table - 7450 */ #define HID0_XAEN (1<<17) /* Extended addressing enable - 7450 */ #define HID0_NHR (1<<16) /* Not hard reset (software bit-7450)*/ #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 Instr Cache Enable */ #define HID0_LRSTK (1<<4) /* Link Stack enable - 7450 */ #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 HID1_EMCP (1<<31) /* 7450 Machine Check Pin Enable */ #define HID1_PC0 (1<<16) /* 7450 PLL_CFG[0] */ #define HID1_PC1 (1<<15) /* 7450 PLL_CFG[1] */ #define HID1_PC2 (1<<14) /* 7450 PLL_CFG[2] */ #define HID1_PC3 (1<<13) /* 7450 PLL_CFG[3] */ #define HID1_SYNCBE (1<<11) /* 7450 ABE for sync, eieio */ #define HID1_ABE (1<<10) /* 7450 Address Broadcast Enable */ #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_ICTRL 0x3F3 /* 1011 7450 icache and interrupt ctrl */ #define ICTRL_EICE 0x08000000 /* enable icache parity errs */ #define ICTRL_EDCE 0x04000000 /* enable dcache parity errs */ #define ICTRL_EICP 0x00000100 /* enable icache par. check */ #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_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_PTEHI 0x3D5 /* 981 7450 PTE HI word (S/W TLB load) */ #define SPRN_PTELO 0x3D6 /* 982 7450 PTE LO word (S/W TLB load) */ #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_TBHI 0x3DC /* Time Base High (4xx) */ #define SPRN_TBHU 0x3CC /* Time Base High User-mode (4xx) */ #define SPRN_TBLO 0x3DD /* Time Base Low (4xx) */ #define SPRN_TBLU 0x3CD /* Time Base Low User-mode (4xx) */ #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, R/W) */ #define SPRN_TBWU 0x11D /* Time Base Upper Register (super, R/W) */ #define SPRN_TCR 0x3DA /* Timer Control Register */ #define TCR_WP(x) (((x)&0x3)<<30) /* WDT Period */ #define TCR_WP_MASK TCR_WP(3) #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 TCR_WRC_MASK TCR_WRC(3) #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 TCR_FP_MASK TCR_FP(3) #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_TLBMISS 0x3D4 /* 980 7450 TLB Miss Register */ #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 L3CR SPRN_L3CR /* PPC 7450 L3 Cache 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_NP405H 0x41410000 #define PVR_NP405L 0x41610000 #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 #define PVR_7450 0x80000000 /* * 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_8245 0x80811014 #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 __stringify(a) #a #define _GLOBAL(n)\ .stabs __stringify(n:F-1),N_FUN,0,0,n;\ .globl n;\ n: /* Macros for setting and retrieving special purpose registers */ #define stringify(s) tostring(s) #define tostring(s) #s #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)) #define mfsrin(v) ({unsigned int rval; \ asm volatile("mfsrin %0,%1" : "=r" (rval) : "r" (v)); \ rval;}) #define proc_trap() asm volatile("trap") /* 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 */ #ifdef CONFIG_TASK_SIZE_BOOL #define TASK_SIZE CONFIG_TASK_SIZE #else #define TASK_SIZE (0x80000000UL) #endif /* 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 */ struct pt_regs *regs; /* Pointer to saved register state */ mm_segment_t fs; /* for get_fs() validation */ void *pgdir; /* root of page-table tree */ int fpexc_mode; /* floating-point exception mode */ 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 { \ ksp: INIT_SP, \ fs: KERNEL_DS, \ pgdir: swapper_pg_dir, \ } /* * 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) /* Get/set floating-point exception mode */ #define GET_FP_EXC_MODE(tsk) __unpack_fe01((tsk)->thread.fpexc_mode) #define SET_FP_EXC_MODE(tsk, val) set_fpexc_mode((tsk), (val)) extern int set_fpexc_mode(struct task_struct *tsk, unsigned int val); static inline unsigned int __unpack_fe01(unsigned int msr_bits) { return ((msr_bits & MSR_FE0) >> 10) | ((msr_bits & MSR_FE1) >> 8); } static inline unsigned int __pack_fe01(unsigned int fpmode) { return ((fpmode << 10) & MSR_FE0) | ((fpmode << 8) & MSR_FE1); } /* * 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 have_of (_machine == _MACH_chrp || _machine == _MACH_Pmac) #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) do { \ prefetchw(x); \ preempt_prefetch(¤t->preempt_count); \ } while (0) #endif /* !__ASSEMBLY__ */ #endif /* __ASM_PPC_PROCESSOR_H */ #endif /* __KERNEL__ */