projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 935ecca1 WD |
1 | #ifndef __ASM_PPC_PROCESSOR_H |
| 2 | #define __ASM_PPC_PROCESSOR_H | |
| 3 | ||
| 4 | /* | |
| 5 | * Default implementation of macro that returns current | |
| 6 | * instruction pointer ("program counter"). | |
| 7 | */ | |
| 8 | #define current_text_addr() ({ __label__ _l; _l: &&_l;}) | |
| 9 | ||
| 10 | #include <linux/config.h> | |
| 11 | ||
| 12 | #include <asm/ptrace.h> | |
| 13 | #include <asm/types.h> | |
| 14 | ||
| 15 | /* Machine State Register (MSR) Fields */ | |
| 16 | ||
| 17 | #ifdef CONFIG_PPC64BRIDGE | |
| 18 | #define MSR_SF (1<<63) | |
| 19 | #define MSR_ISF (1<<61) | |
| 20 | #endif /* CONFIG_PPC64BRIDGE */ | |
| 21 | #define MSR_VEC (1<<25) /* Enable AltiVec */ | |
| 22 | #define MSR_POW (1<<18) /* Enable Power Management */ | |
| 23 | #define MSR_WE (1<<18) /* Wait State Enable */ | |
| 24 | #define MSR_TGPR (1<<17) /* TLB Update registers in use */ | |
| 25 | #define MSR_CE (1<<17) /* Critical Interrupt Enable */ | |
| 26 | #define MSR_ILE (1<<16) /* Interrupt Little Endian */ | |
| 27 | #define MSR_EE (1<<15) /* External Interrupt Enable */ | |
| 28 | #define MSR_PR (1<<14) /* Problem State / Privilege Level */ | |
| 29 | #define MSR_FP (1<<13) /* Floating Point enable */ | |
| 30 | #define MSR_ME (1<<12) /* Machine Check Enable */ | |
| 31 | #define MSR_FE0 (1<<11) /* Floating Exception mode 0 */ | |
| 32 | #define MSR_SE (1<<10) /* Single Step */ | |
| 33 | #define MSR_BE (1<<9) /* Branch Trace */ | |
| 34 | #define MSR_DE (1<<9) /* Debug Exception Enable */ | |
| 35 | #define MSR_FE1 (1<<8) /* Floating Exception mode 1 */ | |
| 36 | #define MSR_IP (1<<6) /* Exception prefix 0x000/0xFFF */ | |
| 37 | #define MSR_IR (1<<5) /* Instruction Relocate */ | |
| 38 | #define MSR_DR (1<<4) /* Data Relocate */ | |
| 39 | #define MSR_PE (1<<3) /* Protection Enable */ | |
| 40 | #define MSR_PX (1<<2) /* Protection Exclusive Mode */ | |
| 41 | #define MSR_RI (1<<1) /* Recoverable Exception */ | |
| 42 | #define MSR_LE (1<<0) /* Little Endian */ | |
| 43 | ||
| 44 | #ifdef CONFIG_APUS_FAST_EXCEPT | |
| 45 | #define MSR_ MSR_ME|MSR_IP|MSR_RI | |
| 46 | #else | |
| 47 | #define MSR_ MSR_ME|MSR_RI | |
| 48 | #endif | |
| 49 | #define MSR_KERNEL MSR_|MSR_IR|MSR_DR | |
| 50 | #define MSR_USER MSR_KERNEL|MSR_PR|MSR_EE | |
| 51 | ||
| 52 | /* Floating Point Status and Control Register (FPSCR) Fields */ | |
| 53 | ||
| 54 | #define FPSCR_FX 0x80000000 /* FPU exception summary */ | |
| 55 | #define FPSCR_FEX 0x40000000 /* FPU enabled exception summary */ | |
| 56 | #define FPSCR_VX 0x20000000 /* Invalid operation summary */ | |
| 57 | #define FPSCR_OX 0x10000000 /* Overflow exception summary */ | |
| 58 | #define FPSCR_UX 0x08000000 /* Underflow exception summary */ | |
| 59 | #define FPSCR_ZX 0x04000000 /* Zero-devide exception summary */ | |
| 60 | #define FPSCR_XX 0x02000000 /* Inexact exception summary */ | |
| 61 | #define FPSCR_VXSNAN 0x01000000 /* Invalid op for SNaN */ | |
| 62 | #define FPSCR_VXISI 0x00800000 /* Invalid op for Inv - Inv */ | |
| 63 | #define FPSCR_VXIDI 0x00400000 /* Invalid op for Inv / Inv */ | |
| 64 | #define FPSCR_VXZDZ 0x00200000 /* Invalid op for Zero / Zero */ | |
| 65 | #define FPSCR_VXIMZ 0x00100000 /* Invalid op for Inv * Zero */ | |
| 66 | #define FPSCR_VXVC 0x00080000 /* Invalid op for Compare */ | |
| 67 | #define FPSCR_FR 0x00040000 /* Fraction rounded */ | |
| 68 | #define FPSCR_FI 0x00020000 /* Fraction inexact */ | |
| 69 | #define FPSCR_FPRF 0x0001f000 /* FPU Result Flags */ | |
| 70 | #define FPSCR_FPCC 0x0000f000 /* FPU Condition Codes */ | |
| 71 | #define FPSCR_VXSOFT 0x00000400 /* Invalid op for software request */ | |
| 72 | #define FPSCR_VXSQRT 0x00000200 /* Invalid op for square root */ | |
| 73 | #define FPSCR_VXCVI 0x00000100 /* Invalid op for integer convert */ | |
| 74 | #define FPSCR_VE 0x00000080 /* Invalid op exception enable */ | |
| 75 | #define FPSCR_OE 0x00000040 /* IEEE overflow exception enable */ | |
| 76 | #define FPSCR_UE 0x00000020 /* IEEE underflow exception enable */ | |
| 77 | #define FPSCR_ZE 0x00000010 /* IEEE zero divide exception enable */ | |
| 78 | #define FPSCR_XE 0x00000008 /* FP inexact exception enable */ | |
| 79 | #define FPSCR_NI 0x00000004 /* FPU non IEEE-Mode */ | |
| 80 | #define FPSCR_RN 0x00000003 /* FPU rounding control */ | |
| 81 | ||
| 82 | /* Special Purpose Registers (SPRNs)*/ | |
| 83 | ||
| 84 | #define SPRN_CDBCR 0x3D7 /* Cache Debug Control Register */ | |
| 85 | #define SPRN_CTR 0x009 /* Count Register */ | |
| 86 | #define SPRN_DABR 0x3F5 /* Data Address Breakpoint Register */ | |
| 87 | #define SPRN_DAC1 0x3F6 /* Data Address Compare 1 */ | |
| 88 | #define SPRN_DAC2 0x3F7 /* Data Address Compare 2 */ | |
| 89 | #define SPRN_DAR 0x013 /* Data Address Register */ | |
| 90 | #define SPRN_DBAT0L 0x219 /* Data BAT 0 Lower Register */ | |
| 91 | #define SPRN_DBAT0U 0x218 /* Data BAT 0 Upper Register */ | |
| 92 | #define SPRN_DBAT1L 0x21B /* Data BAT 1 Lower Register */ | |
| 93 | #define SPRN_DBAT1U 0x21A /* Data BAT 1 Upper Register */ | |
| 94 | #define SPRN_DBAT2L 0x21D /* Data BAT 2 Lower Register */ | |
| 95 | #define SPRN_DBAT2U 0x21C /* Data BAT 2 Upper Register */ | |
| 96 | #define SPRN_DBAT3L 0x21F /* Data BAT 3 Lower Register */ | |
| 97 | #define SPRN_DBAT3U 0x21E /* Data BAT 3 Upper Register */ | |
| 98 | #define SPRN_DBCR 0x3F2 /* Debug Control Regsiter */ | |
| 99 | #define DBCR_EDM 0x80000000 | |
| 100 | #define DBCR_IDM 0x40000000 | |
| 101 | #define DBCR_RST(x) (((x) & 0x3) << 28) | |
| 102 | #define DBCR_RST_NONE 0 | |
| 103 | #define DBCR_RST_CORE 1 | |
| 104 | #define DBCR_RST_CHIP 2 | |
| 105 | #define DBCR_RST_SYSTEM 3 | |
| 106 | #define DBCR_IC 0x08000000 /* Instruction Completion Debug Evnt */ | |
| 107 | #define DBCR_BT 0x04000000 /* Branch Taken Debug Event */ | |
| 108 | #define DBCR_EDE 0x02000000 /* Exception Debug Event */ | |
| 109 | #define DBCR_TDE 0x01000000 /* TRAP Debug Event */ | |
| 110 | #define DBCR_FER 0x00F80000 /* First Events Remaining Mask */ | |
| 111 | #define DBCR_FT 0x00040000 /* Freeze Timers on Debug Event */ | |
| 112 | #define DBCR_IA1 0x00020000 /* Instr. Addr. Compare 1 Enable */ | |
| 113 | #define DBCR_IA2 0x00010000 /* Instr. Addr. Compare 2 Enable */ | |
| 114 | #define DBCR_D1R 0x00008000 /* Data Addr. Compare 1 Read Enable */ | |
| 115 | #define DBCR_D1W 0x00004000 /* Data Addr. Compare 1 Write Enable */ | |
| 116 | #define DBCR_D1S(x) (((x) & 0x3) << 12) /* Data Adrr. Compare 1 Size */ | |
| 117 | #define DAC_BYTE 0 | |
| 118 | #define DAC_HALF 1 | |
| 119 | #define DAC_WORD 2 | |
| 120 | #define DAC_QUAD 3 | |
| 121 | #define DBCR_D2R 0x00000800 /* Data Addr. Compare 2 Read Enable */ | |
| 122 | #define DBCR_D2W 0x00000400 /* Data Addr. Compare 2 Write Enable */ | |
| 123 | #define DBCR_D2S(x) (((x) & 0x3) << 8) /* Data Addr. Compare 2 Size */ | |
| 124 | #define DBCR_SBT 0x00000040 /* Second Branch Taken Debug Event */ | |
| 125 | #define DBCR_SED 0x00000020 /* Second Exception Debug Event */ | |
| 126 | #define DBCR_STD 0x00000010 /* Second Trap Debug Event */ | |
| 127 | #define DBCR_SIA 0x00000008 /* Second IAC Enable */ | |
| 128 | #define DBCR_SDA 0x00000004 /* Second DAC Enable */ | |
| 129 | #define DBCR_JOI 0x00000002 /* JTAG Serial Outbound Int. Enable */ | |
| 130 | #define DBCR_JII 0x00000001 /* JTAG Serial Inbound Int. Enable */ | |
| 131 | #define SPRN_DBCR0 0x3F2 /* Debug Control Register 0 */ | |
| 132 | #define SPRN_DBCR1 0x3BD /* Debug Control Register 1 */ | |
| 133 | #define SPRN_DBSR 0x3F0 /* Debug Status Register */ | |
| 134 | #define SPRN_DCCR 0x3FA /* Data Cache Cacheability Register */ | |
| 135 | #define DCCR_NOCACHE 0 /* Noncacheable */ | |
| 136 | #define DCCR_CACHE 1 /* Cacheable */ | |
| 137 | #define SPRN_DCMP 0x3D1 /* Data TLB Compare Register */ | |
| 138 | #define SPRN_DCWR 0x3BA /* Data Cache Write-thru Register */ | |
| 139 | #define DCWR_COPY 0 /* Copy-back */ | |
| 140 | #define DCWR_WRITE 1 /* Write-through */ | |
| 141 | #define SPRN_DEAR 0x3D5 /* Data Error Address Register */ | |
| 142 | #define SPRN_DEC 0x016 /* Decrement Register */ | |
| 143 | #define SPRN_DMISS 0x3D0 /* Data TLB Miss Register */ | |
| 144 | #define SPRN_DSISR 0x012 /* Data Storage Interrupt Status Register */ | |
| 145 | #define SPRN_EAR 0x11A /* External Address Register */ | |
| 146 | #define SPRN_ESR 0x3D4 /* Exception Syndrome Register */ | |
| 147 | #define ESR_IMCP 0x80000000 /* Instr. Machine Check - Protection */ | |
| 148 | #define ESR_IMCN 0x40000000 /* Instr. Machine Check - Non-config */ | |
| 149 | #define ESR_IMCB 0x20000000 /* Instr. Machine Check - Bus error */ | |
| 150 | #define ESR_IMCT 0x10000000 /* Instr. Machine Check - Timeout */ | |
| 151 | #define ESR_PIL 0x08000000 /* Program Exception - Illegal */ | |
| 152 | #define ESR_PPR 0x04000000 /* Program Exception - Priveleged */ | |
| 153 | #define ESR_PTR 0x02000000 /* Program Exception - Trap */ | |
| 154 | #define ESR_DST 0x00800000 /* Storage Exception - Data miss */ | |
| 155 | #define ESR_DIZ 0x00400000 /* Storage Exception - Zone fault */ | |
| 156 | #define SPRN_EVPR 0x3D6 /* Exception Vector Prefix Register */ | |
| 157 | #define SPRN_HASH1 0x3D2 /* Primary Hash Address Register */ | |
| 158 | #define SPRN_HASH2 0x3D3 /* Secondary Hash Address Resgister */ | |
| 159 | #define SPRN_HID0 0x3F0 /* Hardware Implementation Register 0 */ | |
| 160 | #define HID0_EMCP (1<<31) /* Enable Machine Check pin */ | |
| 161 | #define HID0_EBA (1<<29) /* Enable Bus Address Parity */ | |
| 162 | #define HID0_EBD (1<<28) /* Enable Bus Data Parity */ | |
| 163 | #define HID0_SBCLK (1<<27) | |
| 164 | #define HID0_EICE (1<<26) | |
| 165 | #define HID0_ECLK (1<<25) | |
| 166 | #define HID0_PAR (1<<24) | |
| 167 | #define HID0_DOZE (1<<23) | |
| 168 | #define HID0_NAP (1<<22) | |
| 169 | #define HID0_SLEEP (1<<21) | |
| 170 | #define HID0_DPM (1<<20) | |
| 171 | #define HID0_ICE (1<<15) /* Instruction Cache Enable */ | |
| 172 | #define HID0_DCE (1<<14) /* Data Cache Enable */ | |
| 173 | #define HID0_ILOCK (1<<13) /* Instruction Cache Lock */ | |
| 174 | #define HID0_DLOCK (1<<12) /* Data Cache Lock */ | |
| 175 | #define HID0_ICFI (1<<11) /* Instr. Cache Flash Invalidate */ | |
| 176 | #define HID0_DCFI (1<<10) /* Data Cache Flash Invalidate */ | |
| 177 | #define HID0_DCI HID0_DCFI | |
| 178 | #define HID0_SPD (1<<9) /* Speculative disable */ | |
| 179 | #define HID0_SGE (1<<7) /* Store Gathering Enable */ | |
| 180 | #define HID0_SIED HID_SGE /* Serial Instr. Execution [Disable] */ | |
| 181 | #define HID0_DCFA (1<<6) /* Data Cache Flush Assist */ | |
| 182 | #define HID0_BTIC (1<<5) /* Branch Target Instruction Cache Enable */ | |
| 183 | #define HID0_ABE (1<<3) /* Address Broadcast Enable */ | |
| 184 | #define HID0_BHTE (1<<2) /* Branch History Table Enable */ | |
| 185 | #define HID0_BTCD (1<<1) /* Branch target cache disable */ | |
| 186 | #define SPRN_HID1 0x3F1 /* Hardware Implementation Register 1 */ | |
| 187 | #define SPRN_IABR 0x3F2 /* Instruction Address Breakpoint Register */ | |
| 188 | #define SPRN_IAC1 0x3F4 /* Instruction Address Compare 1 */ | |
| 189 | #define SPRN_IAC2 0x3F5 /* Instruction Address Compare 2 */ | |
| 190 | #define SPRN_IBAT0L 0x211 /* Instruction BAT 0 Lower Register */ | |
| 191 | #define SPRN_IBAT0U 0x210 /* Instruction BAT 0 Upper Register */ | |
| 192 | #define SPRN_IBAT1L 0x213 /* Instruction BAT 1 Lower Register */ | |
| 193 | #define SPRN_IBAT1U 0x212 /* Instruction BAT 1 Upper Register */ | |
| 194 | #define SPRN_IBAT2L 0x215 /* Instruction BAT 2 Lower Register */ | |
| 195 | #define SPRN_IBAT2U 0x214 /* Instruction BAT 2 Upper Register */ | |
| 196 | #define SPRN_IBAT3L 0x217 /* Instruction BAT 3 Lower Register */ | |
| 197 | #define SPRN_IBAT3U 0x216 /* Instruction BAT 3 Upper Register */ | |
| 198 | #define SPRN_ICCR 0x3FB /* Instruction Cache Cacheability Register */ | |
| 199 | #define ICCR_NOCACHE 0 /* Noncacheable */ | |
| 200 | #define ICCR_CACHE 1 /* Cacheable */ | |
| 201 | #define SPRN_ICDBDR 0x3D3 /* Instruction Cache Debug Data Register */ | |
| 202 | #define SPRN_ICMP 0x3D5 /* Instruction TLB Compare Register */ | |
| 203 | #define SPRN_ICTC 0x3FB /* Instruction Cache Throttling Control Reg */ | |
| 204 | #define SPRN_IMISS 0x3D4 /* Instruction TLB Miss Register */ | |
| 205 | #define SPRN_IMMR 0x27E /* Internal Memory Map Register */ | |
| 206 | #define SPRN_L2CR 0x3F9 /* Level 2 Cache Control Regsiter */ | |
| 207 | #define SPRN_LR 0x008 /* Link Register */ | |
| 208 | #define SPRN_MMCR0 0x3B8 /* Monitor Mode Control Register 0 */ | |
| 209 | #define SPRN_MMCR1 0x3BC /* Monitor Mode Control Register 1 */ | |
| 210 | #define SPRN_PBL1 0x3FC /* Protection Bound Lower 1 */ | |
| 211 | #define SPRN_PBL2 0x3FE /* Protection Bound Lower 2 */ | |
| 212 | #define SPRN_PBU1 0x3FD /* Protection Bound Upper 1 */ | |
| 213 | #define SPRN_PBU2 0x3FF /* Protection Bound Upper 2 */ | |
| 214 | #define SPRN_PID 0x3B1 /* Process ID */ | |
| 215 | #define SPRN_PIR 0x3FF /* Processor Identification Register */ | |
| 216 | #define SPRN_PIT 0x3DB /* Programmable Interval Timer */ | |
| 217 | #define SPRN_PMC1 0x3B9 /* Performance Counter Register 1 */ | |
| 218 | #define SPRN_PMC2 0x3BA /* Performance Counter Register 2 */ | |
| 219 | #define SPRN_PMC3 0x3BD /* Performance Counter Register 3 */ | |
| 220 | #define SPRN_PMC4 0x3BE /* Performance Counter Register 4 */ | |
| 221 | #define SPRN_PVR 0x11F /* Processor Version Register */ | |
| 222 | #define SPRN_RPA 0x3D6 /* Required Physical Address Register */ | |
| 223 | #define SPRN_SDA 0x3BF /* Sampled Data Address Register */ | |
| 224 | #define SPRN_SDR1 0x019 /* MMU Hash Base Register */ | |
| 225 | #define SPRN_SGR 0x3B9 /* Storage Guarded Register */ | |
| 226 | #define SGR_NORMAL 0 | |
| 227 | #define SGR_GUARDED 1 | |
| 228 | #define SPRN_SIA 0x3BB /* Sampled Instruction Address Register */ | |
| 229 | #define SPRN_SPRG0 0x110 /* Special Purpose Register General 0 */ | |
| 230 | #define SPRN_SPRG1 0x111 /* Special Purpose Register General 1 */ | |
| 231 | #define SPRN_SPRG2 0x112 /* Special Purpose Register General 2 */ | |
| 232 | #define SPRN_SPRG3 0x113 /* Special Purpose Register General 3 */ | |
| 233 | #define SPRN_SRR0 0x01A /* Save/Restore Register 0 */ | |
| 234 | #define SPRN_SRR1 0x01B /* Save/Restore Register 1 */ | |
| 235 | #define SPRN_SRR2 0x3DE /* Save/Restore Register 2 */ | |
| 236 | #define SPRN_SRR3 0x3DF /* Save/Restore Register 3 */ | |
| 237 | #define SPRN_TBHI 0x3DC /* Time Base High */ | |
| 238 | #define SPRN_TBHU 0x3CC /* Time Base High User-mode */ | |
| 239 | #define SPRN_TBLO 0x3DD /* Time Base Low */ | |
| 240 | #define SPRN_TBLU 0x3CD /* Time Base Low User-mode */ | |
| 241 | #define SPRN_TBRL 0x10D /* Time Base Read Lower Register */ | |
| 242 | #define SPRN_TBRU 0x10C /* Time Base Read Upper Register */ | |
| 243 | #define SPRN_TBWL 0x11D /* Time Base Write Lower Register */ | |
| 244 | #define SPRN_TBWU 0x11C /* Time Base Write Upper Register */ | |
| 245 | #define SPRN_TCR 0x3DA /* Timer Control Register */ | |
| 246 | #define TCR_WP(x) (((x)&0x3)<<30) /* WDT Period */ | |
| 247 | #define WP_2_17 0 /* 2^17 clocks */ | |
| 248 | #define WP_2_21 1 /* 2^21 clocks */ | |
| 249 | #define WP_2_25 2 /* 2^25 clocks */ | |
| 250 | #define WP_2_29 3 /* 2^29 clocks */ | |
| 251 | #define TCR_WRC(x) (((x)&0x3)<<28) /* WDT Reset Control */ | |
| 252 | #define WRC_NONE 0 /* No reset will occur */ | |
| 253 | #define WRC_CORE 1 /* Core reset will occur */ | |
| 254 | #define WRC_CHIP 2 /* Chip reset will occur */ | |
| 255 | #define WRC_SYSTEM 3 /* System reset will occur */ | |
| 256 | #define TCR_WIE 0x08000000 /* WDT Interrupt Enable */ | |
| 257 | #define TCR_PIE 0x04000000 /* PIT Interrupt Enable */ | |
| 258 | #define TCR_FP(x) (((x)&0x3)<<24) /* FIT Period */ | |
| 259 | #define FP_2_9 0 /* 2^9 clocks */ | |
| 260 | #define FP_2_13 1 /* 2^13 clocks */ | |
| 261 | #define FP_2_17 2 /* 2^17 clocks */ | |
| 262 | #define FP_2_21 3 /* 2^21 clocks */ | |
| 263 | #define TCR_FIE 0x00800000 /* FIT Interrupt Enable */ | |
| 264 | #define TCR_ARE 0x00400000 /* Auto Reload Enable */ | |
| 265 | #define SPRN_THRM1 0x3FC /* Thermal Management Register 1 */ | |
| 266 | #define THRM1_TIN (1<<0) | |
| 267 | #define THRM1_TIV (1<<1) | |
| 268 | #define THRM1_THRES (0x7f<<2) | |
| 269 | #define THRM1_TID (1<<29) | |
| 270 | #define THRM1_TIE (1<<30) | |
| 271 | #define THRM1_V (1<<31) | |
| 272 | #define SPRN_THRM2 0x3FD /* Thermal Management Register 2 */ | |
| 273 | #define SPRN_THRM3 0x3FE /* Thermal Management Register 3 */ | |
| 274 | #define THRM3_E (1<<31) | |
| 275 | #define SPRN_TSR 0x3D8 /* Timer Status Register */ | |
| 276 | #define TSR_ENW 0x80000000 /* Enable Next Watchdog */ | |
| 277 | #define TSR_WIS 0x40000000 /* WDT Interrupt Status */ | |
| 278 | #define TSR_WRS(x) (((x)&0x3)<<28) /* WDT Reset Status */ | |
| 279 | #define WRS_NONE 0 /* No WDT reset occurred */ | |
| 280 | #define WRS_CORE 1 /* WDT forced core reset */ | |
| 281 | #define WRS_CHIP 2 /* WDT forced chip reset */ | |
| 282 | #define WRS_SYSTEM 3 /* WDT forced system reset */ | |
| 283 | #define TSR_PIS 0x08000000 /* PIT Interrupt Status */ | |
| 284 | #define TSR_FIS 0x04000000 /* FIT Interrupt Status */ | |
| 285 | #define SPRN_UMMCR0 0x3A8 /* User Monitor Mode Control Register 0 */ | |
| 286 | #define SPRN_UMMCR1 0x3AC /* User Monitor Mode Control Register 0 */ | |
| 287 | #define SPRN_UPMC1 0x3A9 /* User Performance Counter Register 1 */ | |
| 288 | #define SPRN_UPMC2 0x3AA /* User Performance Counter Register 2 */ | |
| 289 | #define SPRN_UPMC3 0x3AD /* User Performance Counter Register 3 */ | |
| 290 | #define SPRN_UPMC4 0x3AE /* User Performance Counter Register 4 */ | |
| 291 | #define SPRN_USIA 0x3AB /* User Sampled Instruction Address Register */ | |
| 292 | #define SPRN_XER 0x001 /* Fixed Point Exception Register */ | |
| 293 | #define SPRN_ZPR 0x3B0 /* Zone Protection Register */ | |
| 294 | ||
| 295 | /* Short-hand versions for a number of the above SPRNs */ | |
| 296 | ||
| 297 | #define CTR SPRN_CTR /* Counter Register */ | |
| 298 | #define DAR SPRN_DAR /* Data Address Register */ | |
| 299 | #define DABR SPRN_DABR /* Data Address Breakpoint Register */ | |
| 300 | #define DBAT0L SPRN_DBAT0L /* Data BAT 0 Lower Register */ | |
| 301 | #define DBAT0U SPRN_DBAT0U /* Data BAT 0 Upper Register */ | |
| 302 | #define DBAT1L SPRN_DBAT1L /* Data BAT 1 Lower Register */ | |
| 303 | #define DBAT1U SPRN_DBAT1U /* Data BAT 1 Upper Register */ | |
| 304 | #define DBAT2L SPRN_DBAT2L /* Data BAT 2 Lower Register */ | |
| 305 | #define DBAT2U SPRN_DBAT2U /* Data BAT 2 Upper Register */ | |
| 306 | #define DBAT3L SPRN_DBAT3L /* Data BAT 3 Lower Register */ | |
| 307 | #define DBAT3U SPRN_DBAT3U /* Data BAT 3 Upper Register */ | |
| 308 | #define DCMP SPRN_DCMP /* Data TLB Compare Register */ | |
| 309 | #define DEC SPRN_DEC /* Decrement Register */ | |
| 310 | #define DMISS SPRN_DMISS /* Data TLB Miss Register */ | |
| 311 | #define DSISR SPRN_DSISR /* Data Storage Interrupt Status Register */ | |
| 312 | #define EAR SPRN_EAR /* External Address Register */ | |
| 313 | #define HASH1 SPRN_HASH1 /* Primary Hash Address Register */ | |
| 314 | #define HASH2 SPRN_HASH2 /* Secondary Hash Address Register */ | |
| 315 | #define HID0 SPRN_HID0 /* Hardware Implementation Register 0 */ | |
| 316 | #define HID1 SPRN_HID1 /* Hardware Implementation Register 1 */ | |
| 317 | #define IABR SPRN_IABR /* Instruction Address Breakpoint Register */ | |
| 318 | #define IBAT0L SPRN_IBAT0L /* Instruction BAT 0 Lower Register */ | |
| 319 | #define IBAT0U SPRN_IBAT0U /* Instruction BAT 0 Upper Register */ | |
| 320 | #define IBAT1L SPRN_IBAT1L /* Instruction BAT 1 Lower Register */ | |
| 321 | #define IBAT1U SPRN_IBAT1U /* Instruction BAT 1 Upper Register */ | |
| 322 | #define IBAT2L SPRN_IBAT2L /* Instruction BAT 2 Lower Register */ | |
| 323 | #define IBAT2U SPRN_IBAT2U /* Instruction BAT 2 Upper Register */ | |
| 324 | #define IBAT3L SPRN_IBAT3L /* Instruction BAT 3 Lower Register */ | |
| 325 | #define IBAT3U SPRN_IBAT3U /* Instruction BAT 3 Upper Register */ | |
| 326 | #define ICMP SPRN_ICMP /* Instruction TLB Compare Register */ | |
| 327 | #define IMISS SPRN_IMISS /* Instruction TLB Miss Register */ | |
| 328 | #define IMMR SPRN_IMMR /* PPC 860/821 Internal Memory Map Register */ | |
| 329 | #define L2CR SPRN_L2CR /* PPC 750 L2 control register */ | |
| 330 | #define LR SPRN_LR | |
| 331 | #define PVR SPRN_PVR /* Processor Version */ | |
| 332 | #define RPA SPRN_RPA /* Required Physical Address Register */ | |
| 333 | #define SDR1 SPRN_SDR1 /* MMU hash base register */ | |
| 334 | #define SPR0 SPRN_SPRG0 /* Supervisor Private Registers */ | |
| 335 | #define SPR1 SPRN_SPRG1 | |
| 336 | #define SPR2 SPRN_SPRG2 | |
| 337 | #define SPR3 SPRN_SPRG3 | |
| 338 | #define SPRG0 SPRN_SPRG0 | |
| 339 | #define SPRG1 SPRN_SPRG1 | |
| 340 | #define SPRG2 SPRN_SPRG2 | |
| 341 | #define SPRG3 SPRN_SPRG3 | |
| 342 | #define SRR0 SPRN_SRR0 /* Save and Restore Register 0 */ | |
| 343 | #define SRR1 SPRN_SRR1 /* Save and Restore Register 1 */ | |
| 344 | #define TBRL SPRN_TBRL /* Time Base Read Lower Register */ | |
| 345 | #define TBRU SPRN_TBRU /* Time Base Read Upper Register */ | |
| 346 | #define TBWL SPRN_TBWL /* Time Base Write Lower Register */ | |
| 347 | #define TBWU SPRN_TBWU /* Time Base Write Upper Register */ | |
| 348 | #define ICTC 1019 | |
| 349 | #define THRM1 SPRN_THRM1 /* Thermal Management Register 1 */ | |
| 350 | #define THRM2 SPRN_THRM2 /* Thermal Management Register 2 */ | |
| 351 | #define THRM3 SPRN_THRM3 /* Thermal Management Register 3 */ | |
| 352 | #define XER SPRN_XER | |
| 353 | ||
| 354 | ||
| 355 | /* Device Control Registers */ | |
| 356 | ||
| 357 | #define DCRN_BEAR 0x090 /* Bus Error Address Register */ | |
| 358 | #define DCRN_BESR 0x091 /* Bus Error Syndrome Register */ | |
| 359 | #define BESR_DSES 0x80000000 /* Data-Side Error Status */ | |
| 360 | #define BESR_DMES 0x40000000 /* DMA Error Status */ | |
| 361 | #define BESR_RWS 0x20000000 /* Read/Write Status */ | |
| 362 | #define BESR_ETMASK 0x1C000000 /* Error Type */ | |
| 363 | #define ET_PROT 0 | |
| 364 | #define ET_PARITY 1 | |
| 365 | #define ET_NCFG 2 | |
| 366 | #define ET_BUSERR 4 | |
| 367 | #define ET_BUSTO 6 | |
| 368 | #define DCRN_DMACC0 0x0C4 /* DMA Chained Count Register 0 */ | |
| 369 | #define DCRN_DMACC1 0x0CC /* DMA Chained Count Register 1 */ | |
| 370 | #define DCRN_DMACC2 0x0D4 /* DMA Chained Count Register 2 */ | |
| 371 | #define DCRN_DMACC3 0x0DC /* DMA Chained Count Register 3 */ | |
| 372 | #define DCRN_DMACR0 0x0C0 /* DMA Channel Control Register 0 */ | |
| 373 | #define DCRN_DMACR1 0x0C8 /* DMA Channel Control Register 1 */ | |
| 374 | #define DCRN_DMACR2 0x0D0 /* DMA Channel Control Register 2 */ | |
| 375 | #define DCRN_DMACR3 0x0D8 /* DMA Channel Control Register 3 */ | |
| 376 | #define DCRN_DMACT0 0x0C1 /* DMA Count Register 0 */ | |
| 377 | #define DCRN_DMACT1 0x0C9 /* DMA Count Register 1 */ | |
| 378 | #define DCRN_DMACT2 0x0D1 /* DMA Count Register 2 */ | |
| 379 | #define DCRN_DMACT3 0x0D9 /* DMA Count Register 3 */ | |
| 380 | #define DCRN_DMADA0 0x0C2 /* DMA Destination Address Register 0 */ | |
| 381 | #define DCRN_DMADA1 0x0CA /* DMA Destination Address Register 1 */ | |
| 382 | #define DCRN_DMADA2 0x0D2 /* DMA Destination Address Register 2 */ | |
| 383 | #define DCRN_DMADA3 0x0DA /* DMA Destination Address Register 3 */ | |
| 384 | #define DCRN_DMASA0 0x0C3 /* DMA Source Address Register 0 */ | |
| 385 | #define DCRN_DMASA1 0x0CB /* DMA Source Address Register 1 */ | |
| 386 | #define DCRN_DMASA2 0x0D3 /* DMA Source Address Register 2 */ | |
| 387 | #define DCRN_DMASA3 0x0DB /* DMA Source Address Register 3 */ | |
| 388 | #define DCRN_DMASR 0x0E0 /* DMA Status Register */ | |
| 389 | #define DCRN_EXIER 0x042 /* External Interrupt Enable Register */ | |
| 390 | #define EXIER_CIE 0x80000000 /* Critical Interrupt Enable */ | |
| 391 | #define EXIER_SRIE 0x08000000 /* Serial Port Rx Int. Enable */ | |
| 392 | #define EXIER_STIE 0x04000000 /* Serial Port Tx Int. Enable */ | |
| 393 | #define EXIER_JRIE 0x02000000 /* JTAG Serial Port Rx Int. Enable */ | |
| 394 | #define EXIER_JTIE 0x01000000 /* JTAG Serial Port Tx Int. Enable */ | |
| 395 | #define EXIER_D0IE 0x00800000 /* DMA Channel 0 Interrupt Enable */ | |
| 396 | #define EXIER_D1IE 0x00400000 /* DMA Channel 1 Interrupt Enable */ | |
| 397 | #define EXIER_D2IE 0x00200000 /* DMA Channel 2 Interrupt Enable */ | |
| 398 | #define EXIER_D3IE 0x00100000 /* DMA Channel 3 Interrupt Enable */ | |
| 399 | #define EXIER_E0IE 0x00000010 /* External Interrupt 0 Enable */ | |
| 400 | #define EXIER_E1IE 0x00000008 /* External Interrupt 1 Enable */ | |
| 401 | #define EXIER_E2IE 0x00000004 /* External Interrupt 2 Enable */ | |
| 402 | #define EXIER_E3IE 0x00000002 /* External Interrupt 3 Enable */ | |
| 403 | #define EXIER_E4IE 0x00000001 /* External Interrupt 4 Enable */ | |
| 404 | #define DCRN_EXISR 0x040 /* External Interrupt Status Register */ | |
| 405 | #define DCRN_IOCR 0x0A0 /* Input/Output Configuration Register */ | |
| 406 | #define IOCR_E0TE 0x80000000 | |
| 407 | #define IOCR_E0LP 0x40000000 | |
| 408 | #define IOCR_E1TE 0x20000000 | |
| 409 | #define IOCR_E1LP 0x10000000 | |
| 410 | #define IOCR_E2TE 0x08000000 | |
| 411 | #define IOCR_E2LP 0x04000000 | |
| 412 | #define IOCR_E3TE 0x02000000 | |
| 413 | #define IOCR_E3LP 0x01000000 | |
| 414 | #define IOCR_E4TE 0x00800000 | |
| 415 | #define IOCR_E4LP 0x00400000 | |
| 416 | #define IOCR_EDT 0x00080000 | |
| 417 | #define IOCR_SOR 0x00040000 | |
| 418 | #define IOCR_EDO 0x00008000 | |
| 419 | #define IOCR_2XC 0x00004000 | |
| 420 | #define IOCR_ATC 0x00002000 | |
| 421 | #define IOCR_SPD 0x00001000 | |
| 422 | #define IOCR_BEM 0x00000800 | |
| 423 | #define IOCR_PTD 0x00000400 | |
| 424 | #define IOCR_ARE 0x00000080 | |
| 425 | #define IOCR_DRC 0x00000020 | |
| 426 | #define IOCR_RDM(x) (((x) & 0x3) << 3) | |
| 427 | #define IOCR_TCS 0x00000004 | |
| 428 | #define IOCR_SCS 0x00000002 | |
| 429 | #define IOCR_SPC 0x00000001 | |
| 430 | ||
| 431 | ||
| 432 | /* Processor Version Register */ | |
| 433 | ||
| 434 | /* Processor Version Register (PVR) field extraction */ | |
| 435 | ||
| 436 | #define PVR_VER(pvr) (((pvr) >> 16) & 0xFFFF) /* Version field */ | |
| 437 | #define PVR_REV(pvr) (((pvr) >> 0) & 0xFFFF) /* Revison field */ | |
| 438 | ||
| 439 | /* | |
| 440 | * IBM has further subdivided the standard PowerPC 16-bit version and | |
| 441 | * revision subfields of the PVR for the PowerPC 403s into the following: | |
| 442 | */ | |
| 443 | ||
| 444 | #define PVR_FAM(pvr) (((pvr) >> 20) & 0xFFF) /* Family field */ | |
| 445 | #define PVR_MEM(pvr) (((pvr) >> 16) & 0xF) /* Member field */ | |
| 446 | #define PVR_CORE(pvr) (((pvr) >> 12) & 0xF) /* Core field */ | |
| 447 | #define PVR_CFG(pvr) (((pvr) >> 8) & 0xF) /* Configuration field */ | |
| 448 | #define PVR_MAJ(pvr) (((pvr) >> 4) & 0xF) /* Major revision field */ | |
| 449 | #define PVR_MIN(pvr) (((pvr) >> 0) & 0xF) /* Minor revision field */ | |
| 450 | ||
| 451 | /* Processor Version Numbers */ | |
| 452 | ||
| 453 | #define PVR_403GA 0x00200000 | |
| 454 | #define PVR_403GB 0x00200100 | |
| 455 | #define PVR_403GC 0x00200200 | |
| 456 | #define PVR_403GCX 0x00201400 | |
| 457 | #define PVR_405GP 0x40110000 | |
| 458 | #define PVR_405GP_RB 0x40110040 | |
| 459 | #define PVR_405GP_RC 0x40110082 | |
| 460 | #define PVR_405GP_RD 0x401100C4 | |
| 461 | #define PVR_405GP_RE 0x40110145 /* same as pc405cr rev c */ | |
| 462 | #define PVR_405CR_RA 0x40110041 | |
| 463 | #define PVR_405CR_RB 0x401100C5 | |
| 464 | #define PVR_405CR_RC 0x40110145 /* same as pc405gp rev e */ | |
| 465 | #define PVR_405GPR_RA 0x50910951 | |
| 466 | #define PVR_440GP_RB 0x40120440 | |
| 467 | #define PVR_440GP_RC 0x40120481 | |
| 468 | #define PVR_601 0x00010000 | |
| 469 | #define PVR_602 0x00050000 | |
| 470 | #define PVR_603 0x00030000 | |
| 471 | #define PVR_603e 0x00060000 | |
| 472 | #define PVR_603ev 0x00070000 | |
| 473 | #define PVR_603r 0x00071000 | |
| 474 | #define PVR_604 0x00040000 | |
| 475 | #define PVR_604e 0x00090000 | |
| 476 | #define PVR_604r 0x000A0000 | |
| 477 | #define PVR_620 0x00140000 | |
| 478 | #define PVR_740 0x00080000 | |
| 479 | #define PVR_750 PVR_740 | |
| 480 | #define PVR_740P 0x10080000 | |
| 481 | #define PVR_750P PVR_740P | |
| 482 | /* | |
| 483 | * For the 8xx processors, all of them report the same PVR family for | |
| 484 | * the PowerPC core. The various versions of these processors must be | |
| 485 | * differentiated by the version number in the Communication Processor | |
| 486 | * Module (CPM). | |
| 487 | */ | |
| 488 | #define PVR_821 0x00500000 | |
| 489 | #define PVR_823 PVR_821 | |
| 490 | #define PVR_850 PVR_821 | |
| 491 | #define PVR_860 PVR_821 | |
| 492 | #define PVR_7400 0x000C0000 | |
| 493 | #define PVR_8240 0x00810100 | |
| 494 | #define PVR_8260 PVR_8240 | |
| 495 | ||
| 496 | ||
| 497 | /* I am just adding a single entry for 8260 boards. I think we may be | |
| 498 | * able to combine mbx, fads, rpxlite, bseip, and classic into a single | |
| 499 | * generic 8xx as well. The boards containing these processors are either | |
| 500 | * identical at the processor level (due to the high integration) or so | |
| 501 | * wildly different that testing _machine at run time is best replaced by | |
| 502 | * conditional compilation by board type (found in their respective .h file). | |
| 503 | * -- Dan | |
| 504 | */ | |
| 505 | #define _MACH_prep 0x00000001 | |
| 506 | #define _MACH_Pmac 0x00000002 /* pmac or pmac clone (non-chrp) */ | |
| 507 | #define _MACH_chrp 0x00000004 /* chrp machine */ | |
| 508 | #define _MACH_mbx 0x00000008 /* Motorola MBX board */ | |
| 509 | #define _MACH_apus 0x00000010 /* amiga with phase5 powerup */ | |
| 510 | #define _MACH_fads 0x00000020 /* Motorola FADS board */ | |
| 511 | #define _MACH_rpxlite 0x00000040 /* RPCG RPX-Lite 8xx board */ | |
| 512 | #define _MACH_bseip 0x00000080 /* Bright Star Engineering ip-Engine */ | |
| 513 | #define _MACH_yk 0x00000100 /* Motorola Yellowknife */ | |
| 514 | #define _MACH_gemini 0x00000200 /* Synergy Microsystems gemini board */ | |
| 515 | #define _MACH_classic 0x00000400 /* RPCG RPX-Classic 8xx board */ | |
| 516 | #define _MACH_oak 0x00000800 /* IBM "Oak" 403 eval. board */ | |
| 517 | #define _MACH_walnut 0x00001000 /* IBM "Walnut" 405GP eval. board */ | |
| 518 | #define _MACH_8260 0x00002000 /* Generic 8260 */ | |
| 519 | #define _MACH_sandpoint 0x00004000 /* Motorola SPS Processor eval board */ | |
| 520 | #define _MACH_tqm860 0x00008000 /* TQM860/L */ | |
| 521 | #define _MACH_tqm8xxL 0x00010000 /* TQM8xxL */ | |
| 522 | ||
| 523 | ||
| 524 | /* see residual.h for these */ | |
| 525 | #define _PREP_Motorola 0x01 /* motorola prep */ | |
| 526 | #define _PREP_Firm 0x02 /* firmworks prep */ | |
| 527 | #define _PREP_IBM 0x00 /* ibm prep */ | |
| 528 | #define _PREP_Bull 0x03 /* bull prep */ | |
| 529 | #define _PREP_Radstone 0x04 /* Radstone Technology PLC prep */ | |
| 530 | ||
| 531 | /* | |
| 532 | * Radstone board types | |
| 533 | */ | |
| 534 | #define RS_SYS_TYPE_PPC1 0 | |
| 535 | #define RS_SYS_TYPE_PPC2 1 | |
| 536 | #define RS_SYS_TYPE_PPC1a 2 | |
| 537 | #define RS_SYS_TYPE_PPC2a 3 | |
| 538 | #define RS_SYS_TYPE_PPC4 4 | |
| 539 | #define RS_SYS_TYPE_PPC4a 5 | |
| 540 | #define RS_SYS_TYPE_PPC2ep 6 | |
| 541 | ||
| 542 | /* these are arbitrary */ | |
| 543 | #define _CHRP_Motorola 0x04 /* motorola chrp, the cobra */ | |
| 544 | #define _CHRP_IBM 0x05 /* IBM chrp, the longtrail and longtrail 2 */ | |
| 545 | ||
| 546 | #define _GLOBAL(n)\ | |
| 547 | .globl n;\ | |
| 548 | n: | |
| 549 | ||
| 550 | /* Macros for setting and retrieving special purpose registers */ | |
| 551 | ||
| 552 | #define stringify(s) tostring(s) | |
| 553 | #define tostring(s) #s | |
| 554 | ||
| 555 | #define mfdcr(rn) ({unsigned int rval; \ | |
| 556 | asm volatile("mfdcr %0," stringify(rn) \ | |
| 557 | : "=r" (rval)); rval;}) | |
| 558 | #define mtdcr(rn, v) asm volatile("mtdcr " stringify(rn) ",%0" : : "r" (v)) | |
| 559 | ||
| 560 | #define mfmsr() ({unsigned int rval; \ | |
| 561 | asm volatile("mfmsr %0" : "=r" (rval)); rval;}) | |
| 562 | #define mtmsr(v) asm volatile("mtmsr %0" : : "r" (v)) | |
| 563 | ||
| 564 | #define mfspr(rn) ({unsigned int rval; \ | |
| 565 | asm volatile("mfspr %0," stringify(rn) \ | |
| 566 | : "=r" (rval)); rval;}) | |
| 567 | #define mtspr(rn, v) asm volatile("mtspr " stringify(rn) ",%0" : : "r" (v)) | |
| 568 | ||
| 569 | #define tlbie(v) asm volatile("tlbie %0 \n sync" : : "r" (v)) | |
| 570 | ||
| 571 | /* Segment Registers */ | |
| 572 | ||
| 573 | #define SR0 0 | |
| 574 | #define SR1 1 | |
| 575 | #define SR2 2 | |
| 576 | #define SR3 3 | |
| 577 | #define SR4 4 | |
| 578 | #define SR5 5 | |
| 579 | #define SR6 6 | |
| 580 | #define SR7 7 | |
| 581 | #define SR8 8 | |
| 582 | #define SR9 9 | |
| 583 | #define SR10 10 | |
| 584 | #define SR11 11 | |
| 585 | #define SR12 12 | |
| 586 | #define SR13 13 | |
| 587 | #define SR14 14 | |
| 588 | #define SR15 15 | |
| 589 | ||
| 590 | #ifndef __ASSEMBLY__ | |
| 591 | #ifndef CONFIG_MACH_SPECIFIC | |
| 592 | extern int _machine; | |
| 593 | extern int have_of; | |
| 594 | #endif /* CONFIG_MACH_SPECIFIC */ | |
| 595 | ||
| 596 | /* what kind of prep workstation we are */ | |
| 597 | extern int _prep_type; | |
| 598 | /* | |
| 599 | * This is used to identify the board type from a given PReP board | |
| 600 | * vendor. Board revision is also made available. | |
| 601 | */ | |
| 602 | extern unsigned char ucSystemType; | |
| 603 | extern unsigned char ucBoardRev; | |
| 604 | extern unsigned char ucBoardRevMaj, ucBoardRevMin; | |
| 605 | ||
| 606 | struct task_struct; | |
| 607 | void start_thread(struct pt_regs *regs, unsigned long nip, unsigned long sp); | |
| 608 | void release_thread(struct task_struct *); | |
| 609 | ||
| 610 | /* | |
| 611 | * Create a new kernel thread. | |
| 612 | */ | |
| 613 | extern long kernel_thread(int (*fn)(void *), void *arg, unsigned long flags); | |
| 614 | ||
| 615 | /* | |
| 616 | * Bus types | |
| 617 | */ | |
| 618 | #define EISA_bus 0 | |
| 619 | #define EISA_bus__is_a_macro /* for versions in ksyms.c */ | |
| 620 | #define MCA_bus 0 | |
| 621 | #define MCA_bus__is_a_macro /* for versions in ksyms.c */ | |
| 622 | ||
| 623 | /* Lazy FPU handling on uni-processor */ | |
| 624 | extern struct task_struct *last_task_used_math; | |
| 625 | extern struct task_struct *last_task_used_altivec; | |
| 626 | ||
| 627 | /* | |
| 628 | * this is the minimum allowable io space due to the location | |
| 629 | * of the io areas on prep (first one at 0x80000000) but | |
| 630 | * as soon as I get around to remapping the io areas with the BATs | |
| 631 | * to match the mac we can raise this. -- Cort | |
| 632 | */ | |
| 633 | #define TASK_SIZE (0x80000000UL) | |
| 634 | ||
| 635 | /* This decides where the kernel will search for a free chunk of vm | |
| 636 | * space during mmap's. | |
| 637 | */ | |
| 638 | #define TASK_UNMAPPED_BASE (TASK_SIZE / 8 * 3) | |
| 639 | ||
| 640 | typedef struct { | |
| 641 | unsigned long seg; | |
| 642 | } mm_segment_t; | |
| 643 | ||
| 644 | struct thread_struct { | |
| 645 | unsigned long ksp; /* Kernel stack pointer */ | |
| 646 | unsigned long wchan; /* Event task is sleeping on */ | |
| 647 | struct pt_regs *regs; /* Pointer to saved register state */ | |
| 648 | mm_segment_t fs; /* for get_fs() validation */ | |
| 649 | void *pgdir; /* root of page-table tree */ | |
| 650 | signed long last_syscall; | |
| 651 | double fpr[32]; /* Complete floating point set */ | |
| 652 | unsigned long fpscr_pad; /* fpr ... fpscr must be contiguous */ | |
| 653 | unsigned long fpscr; /* Floating point status */ | |
| 654 | #ifdef CONFIG_ALTIVEC | |
| 655 | vector128 vr[32]; /* Complete AltiVec set */ | |
| 656 | vector128 vscr; /* AltiVec status */ | |
| 657 | unsigned long vrsave; | |
| 658 | #endif /* CONFIG_ALTIVEC */ | |
| 659 | }; | |
| 660 | ||
| 661 | #define INIT_SP (sizeof(init_stack) + (unsigned long) &init_stack) | |
| 662 | ||
| 663 | #define INIT_THREAD { \ | |
| 664 | INIT_SP, /* ksp */ \ | |
| 665 | 0, /* wchan */ \ | |
| 666 | (struct pt_regs *)INIT_SP - 1, /* regs */ \ | |
| 667 | KERNEL_DS, /*fs*/ \ | |
| 668 | swapper_pg_dir, /* pgdir */ \ | |
| 669 | 0, /* last_syscall */ \ | |
| 670 | {0}, 0, 0 \ | |
| 671 | } | |
| 672 | ||
| 673 | /* | |
| 674 | * Note: the vm_start and vm_end fields here should *not* | |
| 675 | * be in kernel space. (Could vm_end == vm_start perhaps?) | |
| 676 | */ | |
| 677 | #define INIT_MMAP { &init_mm, 0, 0x1000, NULL, \ | |
| 678 | PAGE_SHARED, VM_READ | VM_WRITE | VM_EXEC, \ | |
| 679 | 1, NULL, NULL } | |
| 680 | ||
| 681 | /* | |
| 682 | * Return saved PC of a blocked thread. For now, this is the "user" PC | |
| 683 | */ | |
| 684 | static inline unsigned long thread_saved_pc(struct thread_struct *t) | |
| 685 | { | |
| 686 | return (t->regs) ? t->regs->nip : 0; | |
| 687 | } | |
| 688 | ||
| 689 | #define copy_segments(tsk, mm) do { } while (0) | |
| 690 | #define release_segments(mm) do { } while (0) | |
| 691 | #define forget_segments() do { } while (0) | |
| 692 | ||
| 693 | unsigned long get_wchan(struct task_struct *p); | |
| 694 | ||
| 695 | #define KSTK_EIP(tsk) ((tsk)->thread.regs->nip) | |
| 696 | #define KSTK_ESP(tsk) ((tsk)->thread.regs->gpr[1]) | |
| 697 | ||
| 698 | /* | |
| 699 | * NOTE! The task struct and the stack go together | |
| 700 | */ | |
| 701 | #define THREAD_SIZE (2*PAGE_SIZE) | |
| 702 | #define alloc_task_struct() \ | |
| 703 | ((struct task_struct *) __get_free_pages(GFP_KERNEL,1)) | |
| 704 | #define free_task_struct(p) free_pages((unsigned long)(p),1) | |
| 705 | #define get_task_struct(tsk) atomic_inc(&mem_map[MAP_NR(tsk)].count) | |
| 706 | ||
| 707 | /* in process.c - for early bootup debug -- Cort */ | |
| 708 | int ll_printk(const char *, ...); | |
| 709 | void ll_puts(const char *); | |
| 710 | ||
| 711 | #define init_task (init_task_union.task) | |
| 712 | #define init_stack (init_task_union.stack) | |
| 713 | ||
| 714 | /* In misc.c */ | |
| 715 | void _nmask_and_or_msr(unsigned long nmask, unsigned long or_val); | |
| 716 | ||
| 717 | #endif /* ndef ASSEMBLY*/ | |
| 718 | ||
| 719 | #ifdef CONFIG_MACH_SPECIFIC | |
| 720 | #if defined(CONFIG_8xx) | |
| 721 | #define _machine _MACH_8xx | |
| 722 | #define have_of 0 | |
| 723 | #elif defined(CONFIG_OAK) | |
| 724 | #define _machine _MACH_oak | |
| 725 | #define have_of 0 | |
| 726 | #elif defined(CONFIG_WALNUT) | |
| 727 | #define _machine _MACH_walnut | |
| 728 | #define have_of 0 | |
| 729 | #elif defined(CONFIG_APUS) | |
| 730 | #define _machine _MACH_apus | |
| 731 | #define have_of 0 | |
| 732 | #elif defined(CONFIG_GEMINI) | |
| 733 | #define _machine _MACH_gemini | |
| 734 | #define have_of 0 | |
| 735 | #elif defined(CONFIG_8260) | |
| 736 | #define _machine _MACH_8260 | |
| 737 | #define have_of 0 | |
| 738 | #elif defined(CONFIG_SANDPOINT) | |
| 739 | #define _machine _MACH_sandpoint | |
| 740 | #define have_of 0 | |
| 741 | #else | |
| 742 | #error "Machine not defined correctly" | |
| 743 | #endif | |
| 744 | #endif /* CONFIG_MACH_SPECIFIC */ | |
| 745 | ||
| 746 | #endif /* __ASM_PPC_PROCESSOR_H */ |