console.c revision 7982:7d084eb47a86
1 2 3/* ****************************************** 4 * SimOS SRM Console 5 * 6 * Derived from Lance Berc's SRM console 7 * for the SRC XXM�Machine 8 * ******************************************/ 9 10 11/* from simos */ 12typedef unsigned long long uint64; 13typedef unsigned int uint32; 14 15#define CONSOLE 16#include "alpha_access.h" 17#include "machine_defs.h" 18 19#if 0 20#include "new_aouthdr.h" 21#include "srcmax.h" 22#endif 23 24/* from ../h */ 25#include "lib.h" 26#include "rpb.h" 27#include "cserve.h" 28 29 30#define CONS_INT_TX 0x01 /* interrupt enable / state bits */ 31#define CONS_INT_RX 0x02 32 33#define KSEG 0xfffffc0000000000 34#define K1BASE 0xfffffc8000000000 35#define KSEG_TO_PHYS(x)(((ul)x) & ~KSEG) 36 37#define CDR ((volatile DevConsoleRegisters *) \ 38 (__MAGIC_ZONE(0, 0, MAGIC_ZONE_BDOOR_DEV) + __MAGIC_BDOOR_CNSLE_OFFS)) 39 40 41#define PHYS_TO_K1(_x) (K1BASE|(_x)) 42 43#define AOUT_LOAD_ADDR (KSEG|0xf000) 44 45#define ROUNDUP8(x) ((ul)(((ul)x)+7) & ~7) 46#define ROUNDUP128(x) ((ul)(((ul)x)+127) & ~127) 47#define ROUNDUP8K(x) ((ul)(((ul)(x))+8191) & ~8191) 48 49#define FIRST(x) ((((ul)(x)) >> 33) & 0x3ff) 50#define SECOND(x) ((((ul)(x)) >> 23) & 0x3ff) 51#define THIRD(x) ((((ul)(x)) >> 13) & 0x3ff) 52#define THIRD_XXX(x) ((((ul)(x)) >> 13) & 0xfff) 53#define PFN(x) ((((ul)(x) & ~KSEG) >> 13)) 54 55/* Kernel write | kernel read | valid */ 56#define KPTE(x) ((ul)((((ul)(x)) << 32) | 0x1101)) 57 58#define HWRPB_PAGES 4 59#define MDT_BITMAP_PAGES 4 60 61#define CSERVE_K_JTOKERN 0x18 62 63#define NUM_KERNEL_THIRD (4) 64 65 66static unixBoot(int go, int argc, char **argv); 67void jToPal(ul bootadr); 68void SlaveLoop(int cpu); 69 70 71struct AlphaAccess simosConf; 72 73/* ************************************************************** 74 * Console callbacks use VMS calling conventions 75 * read AXP manual, 2-64. 76 * ***************************************************************/ 77typedef struct OpenVMSFunc { 78 long dummy; 79 long func; 80}OpenVMSFunc; 81 82OpenVMSFunc callbackFunc, fixupFunc; 83 84 85 86 87ul theLock; 88 89 90extern void SpinLock(ul *lock); 91#define SpinUnlock(_x) *(_x) = 0; 92 93struct _kernel_params { 94 char *bootadr; 95 ul rpb_percpu; 96 ul free_pfn; 97 ul argc; 98 ul argv; 99 ul envp; /* NULL */ 100}; 101 102 103extern consoleCallback[]; 104extern consoleFixup[]; 105long CallBackDispatcher(); 106long CallBackFixup(); 107 108/* 109 * simos console output 110 */ 111 112void InitConsole(void) 113{ 114#if 0 115 CDR->intr_status =(DevRegister)(DEV_CNSLE_RX_INTR |DEV_CNSLE_TX_INTR); 116#endif 117} 118 119char GetChar() 120{ 121 struct AlphaAccess *k1Conf = (struct AlphaAccess *)(__MAGIC_ZONE(0, 0, MAGIC_ZONE_EV5_ALIAS)); 122 return 0; 123} 124 125void PutChar(char c) 126{ 127#if 0 128 CDR->data = c; 129#endif 130#if 0 131 *(int*) PHYS_TO_K1(SLOT_D_COM1<<5) = c; 132#endif 133 struct AlphaAccess *k1Conf = (struct AlphaAccess *)(__MAGIC_ZONE(0, 0, MAGIC_ZONE_EV5_ALIAS)); 134 k1Conf->outputChar = c; 135 136} 137 138 139int 140passArgs(int argc) 141{ return 0; } 142 143int 144main(int argc, char **argv) 145{ 146 int x,i; 147 struct AlphaAccess *k1Conf = (struct AlphaAccess *)(__MAGIC_ZONE(0, 0, MAGIC_ZONE_EV5_ALIAS)); 148 ui *k1ptr,*ksegptr; 149 150 151 InitConsole(); 152 printf("SimOS console \n"); 153 /* 154 * get configuration from backdoor 155 */ 156 simosConf.last_offset = k1Conf->last_offset; 157 printf(" Got simosConfiguration %d \n",simosConf.last_offset); 158 159 for (i=1;i<=simosConf.last_offset/4;i++) { 160 ui *k1ptr = (ui*)k1Conf + i; 161 ui *ksegptr = (ui*)(&simosConf.last_offset)+i; 162 *ksegptr = *k1ptr; 163 164 } 165 166 if (simosConf.version != ALPHA_ACCESS_VERSION) { 167 panic("Console version mismatch. Console expects %d. SimOS has %d \n", 168 ALPHA_ACCESS_VERSION,simosConf.version); 169 } 170 171 172 /* 173 * setup arguments to kernel 174 */ 175 unixBoot(1,argc,argv); 176 177 x = *(volatile int *)(K1BASE-4); 178 while(1) continue; 179 return x; 180} 181 182/* 183 * BOOTING 184 */ 185struct rpb xxm_rpb = { 186 NULL, /* 000: physical self-reference */ 187 ((long)'H') | (((long)'W') << 8) | (((long)'R') << 16) | 188 ((long)'P' << 24) | (((long)'B') << 32), /* 008: contains string "HWRPB" */ 189 6, /* 010: HWRPB version number */ 190 /* the byte count is wrong, but who needs it? - lance */ 191 0, /* 018: bytes in RPB perCPU CTB CRB MEDSC */ 192 0, /* 020: primary cpu id */ 193 8192, /* 028: page size in bytes */ 194 43, /* 030: number of phys addr bits */ 195 127, /* 038: max valid ASN */ 196 {'0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '1'}, /* 040: system serial num: 10 ascii chars */ 197#ifdef undef 198/* To be legitimate, the following system type and variation are correct for the XXM. 199 But there are too many #ifdefs etc to deal with in Unix, so we tell the kernel 200 that we're an Avanti, which is similar enough. 201 */ 202 31, /* 050: system type - XXM is now in the Alpha SRM */ 203 (1 << 10) | (2<<1),/* 058: system variation - XXM w/EV5 & embeded console */ 204#endif 205#if 0 206 0x12, /* 050: system type - masquarade as some random 21064 */ 207#endif 208 12, /* masquerade a DEC_3000_500 (bugnion) */ 209 (2<<1), /* 058: system variation */ 210 'c'|('o'<<8)|('o'<<16)|('l'<< 24), /* 060: system revision */ 211 1024*4096, /* 068: scaled interval clock intr freq OVERRIDEN*/ 212 0, /* 070: cycle counter frequency */ 213 0x200000000, /* 078: virtual page table base */ 214 0, /* 080: reserved */ 215 0, /* 088: offset to translation buffer hint */ 216 1, /* 090: number of processor slots OVERRIDDEN*/ 217 sizeof(struct rpb_percpu), /* 098: per-cpu slot size. OVERRIDDEN */ 218 0, /* 0A0: offset to per_cpu slots */ 219 1, /* 0A8: number of CTBs */ 220#ifdef bugnion_gone 221 sizeof(struct rpb_ctb), /* 0B0: bytes in largest CTB */ 222#else 223 sizeof(struct ctb_tt), 224#endif 225 0, /* 0B8: offset to CTB (cons term block) */ 226 0, /* 0C0: offset to CRB (cons routine block) */ 227 0, /* 0C8: offset to memory descriptor table */ 228 0, /* 0D0: offset to config data block */ 229 0, /* 0D8: offset to FRU table */ 230 0, /* 0E0: virt addr of save term routine */ 231 0, /* 0E8: proc value for save term routine */ 232 0, /* 0F0: virt addr of restore term routine */ 233 0, /* 0F8: proc value for restore term routine */ 234 0, /* 100: virt addr of CPU restart routine */ 235 0, /* 108: proc value for CPU restart routine */ 236 0, /* 110: used to determine presence of kdebug */ 237 0, /* 118: reserved for hardware */ 238/* the checksum is wrong, but who needs it? - lance */ 239 0, /* 120: checksum of prior entries in rpb */ 240 0, /* 128: receive ready bitmask */ 241 0, /* 130: transmit ready bitmask */ 242 0, /* 138: Dynamic System Recog. offset */ 243}; 244 245ul xxm_tbb[] = { 0x1e1e1e1e1e1e1e1e, 0x1e1e1e1e1e1e1e1e, 0x1e1e1e1e1e1e1e1e, 0x1e1e1e1e1e1e1e1e, 246 0x1e1e1e1e1e1e1e1e, 0x1e1e1e1e1e1e1e1e, 0x1e1e1e1e1e1e1e1e, 0x1e1e1e1e1e1e1e1e}; 247 248struct rpb_percpu xxm_rpb_percpu = { 249 {0,0,0,0,0,0,0,{0,0},{0,0,0,0,0,0,0,0}}, /* 000: boot/restart HWPCB */ 250 (STATE_PA | STATE_PP | STATE_CV | STATE_PV | STATE_PMV | STATE_PL), /* 080: per-cpu state bits */ 251 0xc000, /* 088: palcode memory length */ 252 0x2000, /* 090: palcode scratch length */ 253 0x4000, /* 098: phys addr of palcode mem space */ 254 0x2000, /* 0A0: phys addr of palcode scratch space */ 255 (2 << 16) | (5 << 8) | 1, /* 0A8: PALcode rev required */ 256 5 | (2L << 32), /* 0B0: processor type */ 257 7, /* 0B8: processor variation */ 258 'D'|('a'<<8)|('v'<<16)|('e'<<24), /* 0C0: processor revision */ 259 {'D','a','v','e','C','o','n','r','o','y',0,0,0,0,0,0}, /* 0C8: proc serial num: 10 ascii chars */ 260 0, /* 0D8: phys addr of logout area */ 261 0, /* 0E0: length in bytes of logout area */ 262 0, /* 0E8: halt pcb base */ 263 0, /* 0F0: halt pc */ 264 0, /* 0F8: halt ps */ 265 0, /* 100: halt arg list (R25) */ 266 0, /* 108: halt return address (R26) */ 267 0, /* 110: halt procedure value (R27) */ 268 0, /* 118: reason for halt */ 269 0, /* 120: for software */ 270 {0}, /* 128: inter-console communications buffer */ 271 {1,0,5,0,0,0,0,0,0,0,0,0,0,0,0,0}, /* 1D0: PALcode revs available */ 272 0 /* 250: reserved for arch use */ 273/* the dump stack grows from the end of the rpb page not to reach here */ 274}; 275 276struct _xxm_rpb_mdt { 277 long rpb_checksum; /* 000: checksum of entire mem desc table */ 278 long rpb_impaddr; /* 008: PA of implementation dep info */ 279 long rpb_numcl; /* 010: number of clusters */ 280 struct rpb_cluster rpb_cluster[3]; /* first instance of a cluster */ 281}; 282 283struct _xxm_rpb_mdt xxm_rpb_mdt = { 284 0, /* 000: checksum of entire mem desc table */ 285 0, /* 008: PA of implementation dep info */ 286 0, /* 010: number of clusters */ 287 {{ 0, /* 000: starting PFN of this cluster */ 288 0, /* 008: count of PFNs in this cluster */ 289 0, /* 010: count of tested PFNs in cluster */ 290 0, /* 018: va of bitmap */ 291 0, /* 020: pa of bitmap */ 292 0, /* 028: checksum of bitmap */ 293 1 /* 030: usage of cluster */ 294 }, 295 { 0, /* 000: starting PFN of this cluster */ 296 0, /* 008: count of PFNs in this cluster */ 297 0, /* 010: count of tested PFNs in cluster */ 298 0, /* 018: va of bitmap */ 299 0, /* 020: pa of bitmap */ 300 0, /* 028: checksum of bitmap */ 301 0 /* 030: usage of cluster */ 302 }, 303 { 0, /* 000: starting PFN of this cluster */ 304 0, /* 008: count of PFNs in this cluster */ 305 0, /* 010: count of tested PFNs in cluster */ 306 0, /* 018: va of bitmap */ 307 0, /* 020: pa of bitmap */ 308 0, /* 028: checksum of bitmap */ 309 0 /* 030: usage of cluster */ 310 }} 311}; 312 313/* constants for slotinfo bus_type subfield */ 314#define SLOTINFO_TC 0 315#define SLOTINFO_ISA 1 316#define SLOTINFO_EISA 2 317#define SLOTINFO_PCI 3 318 319struct rpb_ctb xxm_rpb_ctb = { 320 CONS_DZ, /* 000: console type */ 321 0, /* 008: console unit */ 322 0, /* 010: reserved */ 323 0 /* 018: byte length of device dep portion */ 324}; 325 326/* we don't do any fixup (aka relocate the console) - we hope */ 327struct rpb_crb xxm_rpb_crb = { 328 0, /* va of call-back dispatch rtn */ 329 0, /* pa of call-back dispatch rtn */ 330 0, /* va of call-back fixup rtn */ 331 0, /* pa of call-back fixup rtn */ 332 0, /* number of entries in phys/virt map */ 333 0 /* Number of pages to be mapped */ 334}; 335 336struct _rpb_name { 337 unsigned long length; 338 char name[16]; 339}; 340 341extern struct _rpb_name xxm_name; 342 343struct rpb_dsr xxm_rpb_dsr = { 344 0, 345 0, 346 0, 347}; 348 349struct _rpb_name xxm_name = { 350 16, 351 {'D','E','C',' ','S','R','C',' ','X','X','M',' ','D','G','C',0}, 352}; 353 354/* XXM has one LURT entry - 1050 is for workstations, 1100 is servers (and is needed for CXX) */ 355long xxm_lurt[10] = { 9, 12, -1, -1, -1, -1, -1, -1, 1100, 1100 }; 356 357ul unix_boot_mem; 358unsigned long bootadr; 359#if 0 360unsigned long aout_bss_addr, aout_bss_size, aout_entry, aout_text_start, aout_data_addr; 361#endif 362char **kargv; 363int kargc; 364ul free_pfn; 365struct rpb_percpu *rpb_percpu; 366 367 368#define MAX_CPUS 32 369 370ul bootStrapImpure[MAX_CPUS]; 371 372 373char *unix_boot_alloc(int pages) 374{ 375 char *ret = (char *) unix_boot_mem; 376 unix_boot_mem += (pages * 8192); 377 return ret; 378} 379 380ul *first = 0; 381ul *third_rpb = 0; 382ul *reservedFixup = 0; 383 384int strcpy(char *dst, char *src); 385 386struct rpb *rpb; 387 388unixBoot(int go, int argc, char **argv) 389{ 390 ul *second, *third_kernel, ptr, *tbb, size, *percpu_logout; 391 unsigned char *mdt_bitmap; 392 long *lp1, *lp2, sum; 393 int i, cl; 394 int kern_first_page; 395 int mem_size = simosConf.mem_size; 396 397 int mem_pages = mem_size / 8192, cons_pages; 398 ul kernel_bytes, ksp, kernel_end, *unix_kernel_stack, bss, ksp_bottom, ksp_top; 399 struct rpb_ctb *rpb_ctb; 400 struct ctb_tt *ctb_tt; 401 struct rpb_dsr *rpb_dsr; 402 struct rpb_crb *rpb_crb; 403 struct _xxm_rpb_mdt *rpb_mdt; 404 int *rpb_lurt; 405 char *rpb_name; 406 ul nextPtr; 407 408 printf( "memsize %x pages %x \n",mem_size,mem_pages); 409 410 411 412#ifdef notnow 413 if (unixArgs()) return; 414#endif 415 416 /* Allocate: 417 * two pages for the HWRPB 418 * five page table pages: 419 * 1: First level page table 420 * 1: Second level page table 421 * 1: Third level page table for HWRPB 422 * 2: Third level page table for kernel (for up to 16MB) 423 * set up the page tables 424 * load the kernel at the physical address 0x230000 425 * build the HWRPB 426 * set up memory descriptor table to give up the 427 * physical memory between the end of the page 428 * tables and the start of the kernel 429 * enable kseg addressing 430 * jump to the kernel 431 */ 432 433 unix_boot_mem = ROUNDUP8K(&_end); 434 435 printf("First free page after ROM 0x%x\n", unix_boot_mem); 436 437 rpb = (struct rpb *) unix_boot_alloc( HWRPB_PAGES); 438 439 mdt_bitmap = (unsigned char *) unix_boot_alloc(MDT_BITMAP_PAGES); 440 first = (ul *)unix_boot_alloc(1); 441 second = (ul *)unix_boot_alloc(1); 442 third_rpb = (ul *)unix_boot_alloc(1); 443 reservedFixup = (ul*) unix_boot_alloc(1); 444 third_kernel = (ul *)unix_boot_alloc(NUM_KERNEL_THIRD); 445 percpu_logout = (ul*)unix_boot_alloc(1); 446 447 448 cons_pages = KSEG_TO_PHYS(unix_boot_mem) / 8192; 449 450 /* Set up the page tables */ 451 bzero((char *)first, 8192); 452 bzero((char *)second, 8192); 453 bzero((char *)reservedFixup,8192); 454 bzero((char *)third_rpb, HWRPB_PAGES * 8192); 455 bzero((char *)third_kernel, 8192 * NUM_KERNEL_THIRD); 456 457 first[0] = KPTE(PFN(second)); 458 first[1] = KPTE(PFN(first)); /* Region 3 */ 459 460 second[SECOND(0x10000000)] = KPTE(PFN(third_rpb)); /* Region 0 */ 461 for (i=0;i<NUM_KERNEL_THIRD;i++) { 462 second[SECOND(0x20000000)+i] = KPTE(PFN(third_kernel)+i); /* Region 1 */ 463 } 464 second[SECOND(0x40000000)] = KPTE(PFN(second)); /* Region 2 */ 465 466 467 { 468 469 /* For some obscure reason, Dec Unix's database read 470 * from /etc/sysconfigtab is written to this fixed 471 * mapped memory location. Go figure, since it is 472 * not initialized by the console. Maybe it is 473 * to look at the database from the console 474 * after a boot/crash. 475 * 476 * Black magic to estimate the max size. SEGVs on overflow 477 * bugnion 478 */ 479 480#define DATABASE_BASE 0x20000000 481#ifdef not_not 482#define DATABASE_END 0x20230000 /* don't need all that */ 483#endif 484 485#define DATABASE_END 0x20020000 486 487 int i; 488 ul *dbPage = (ul*)unix_boot_alloc(1); 489 second[SECOND(DATABASE_BASE)] = KPTE(PFN(dbPage)); 490 for (i=DATABASE_BASE; i <DATABASE_END ; i+= 8096) { 491 ul *db = (ul*)unix_boot_alloc(1); 492 dbPage[THIRD(i)] = KPTE(PFN(db)); 493 } 494 } 495 496 /* Region 0 */ 497 /* Map the HWRPB */ 498 for (i = 0; i < HWRPB_PAGES; i++) third_rpb[i] = KPTE(PFN(rpb) + i); 499 500 /* Map the MDT bitmap table */ 501 for (i=0;i<MDT_BITMAP_PAGES;i++) { 502 third_rpb[HWRPB_PAGES+i] = KPTE(PFN(mdt_bitmap)+i); 503 } 504 505 /* Protect the PAL pages */ 506 for (i = 1; i < PFN(first); i++) third_rpb[HWRPB_PAGES + MDT_BITMAP_PAGES + i] = KPTE(i); 507 508 /* Set up third_kernel after it's loaded, when we know where it is */ 509 510#ifdef original__xxm 511 if (unixLoadKernel(AOUT_LOAD_ADDR, argv[1]) == -1) return; 512 aoutfixup(AOUT_LOAD_ADDR); 513#else 514 /* aoutfixup(simosConf.kernelFileHdr); */ 515#endif 516#if 0 517 bss = aout_bss_addr; 518 519 kern_first_page = (KSEG_TO_PHYS(aout_text_start) / 8192); 520 kernel_end = ksp_top = ROUNDUP8K(aout_bss_addr + aout_bss_size); 521 bootadr = aout_entry; 522#endif 523 524 kern_first_page = (KSEG_TO_PHYS(simosConf.kernStart)/8192); 525 kernel_end = ksp_top = ROUNDUP8K(simosConf.kernEnd); 526 bootadr = simosConf.entryPoint; 527 528 529 printf("HWRPB 0x%x l1pt 0x%x l2pt 0x%x l3pt_rpb 0x%x l3pt_kernel 0x%x l2reserv 0x%x\n", 530 rpb, first, second, third_rpb, third_kernel,reservedFixup); 531 if (kernel_end - simosConf.kernStart > (0x800000*NUM_KERNEL_THIRD)) { 532 printf("Kernel is more than 8MB 0x%x - 0x%x = 0x%x\n", 533 kernel_end, simosConf.kernStart, 534 kernel_end -simosConf.kernStart ); 535 panic("kernel too big\n"); 536 537 } 538 /* Map the kernel's pages into the third level of region 2 */ 539 540 for (ptr = simosConf.kernStart; ptr < kernel_end; ptr += 8192) { 541 542 third_kernel[THIRD_XXX(ptr)] = KPTE(PFN(ptr)); 543 } 544 /* blow 2 pages of phys mem for guards since it maintains 1-to-1 mapping */ 545 ksp = ksp_top + (3 * 8192); 546 if (ksp - simosConf.kernStart > (0x800000*NUM_KERNEL_THIRD)) { 547 printf("Kernel stack pushd us over 8MB\n"); 548 panic("ksp too big\n"); 549 } 550 if (THIRD_XXX((ul)ksp_top) > NUM_KERNEL_THIRD * 1024) { 551 panic("increase NUM_KERNEL_THIRD, and change THIRD_XXX\n"); 552 } 553 ptr = (ul) ksp_top; 554 bzero((char *)ptr, 8192 * 2); 555 third_kernel[THIRD_XXX(ptr)] = 0; /* Stack Guard Page */ 556 ptr += 8192; 557 third_kernel[THIRD_XXX(ptr)] = KPTE(PFN(ptr)); /* Kernel Stack Pages */ 558 ptr += 8192; 559 third_kernel[THIRD_XXX(ptr)] = KPTE(PFN(ptr)); 560 ptr += 8192; 561 third_kernel[THIRD_XXX(ptr)] = 0; /* Stack Guard Page */ 562 563 /* put argv into the bottom of the stack - argv starts at 1 because 564 * the command thatr got us here (i.e. "unixboot) is in argv[0]. 565 */ 566 ksp -= 8; /* Back up one longword */ 567 ksp -= argc * sizeof(char *); /* Make room for argv */ 568 kargv = (char **) ksp; 569 for (i = 1; i < argc; i++) { /* Copy arguments to stack */ 570 ksp -= ((strlen(argv[i]) + 1) + 7) & ~0x7; 571 kargv[i-1] = (char *) ksp; 572 strcpy(kargv[i-1], argv[i]); 573 } 574 kargc = i - 1; 575 kargv[kargc] = NULL; /* just to be sure; doesn't seem to be used */ 576 ksp -= sizeof(char *); /* point above last arg for no real reason */ 577 578 free_pfn = PFN(ptr); 579 580 bcopy((char *)&xxm_rpb, (char *)rpb, sizeof(struct rpb)); 581 582 rpb->rpb_selfref = (struct rpb *) KSEG_TO_PHYS(rpb); 583 rpb->rpb_string = 0x0000004250525748; 584 585 tbb = (ul *) (((char *) rpb) + ROUNDUP8(sizeof(struct rpb))); 586 rpb->rpb_trans_off = (ul)tbb - (ul)rpb; 587 bcopy((char *)xxm_tbb, (char *)tbb, sizeof(xxm_tbb)); 588 589 590 /* 591 * rpb_counter. Use to determine timeouts in OS. 592 * XXX must be patched after a checkpoint restore (I guess) 593 */ 594 595 printf("CPU Clock at %d MHz IntrClockFrequency=%d \n", simosConf.cpuClock,simosConf.intrClockFrequency); 596 rpb->rpb_counter = simosConf.cpuClock * 1000 * 1000; 597 598 /* 599 * By definition, the rpb_clock is scaled by 4096 (in hz) 600 */ 601 rpb->rpb_clock = simosConf.intrClockFrequency * 4096; 602 603 604 605 /* 606 * Per CPU Slots. Multiprocessor support. 607 */ 608 { 609 int i; 610 int size = ROUNDUP128(sizeof(struct rpb_percpu)); 611 612 printf("Booting with %d processor(s) \n",simosConf.numCPUs); 613 614 rpb->rpb_numprocs = simosConf.numCPUs; 615 rpb->rpb_slotsize = size; 616 rpb_percpu = (struct rpb_percpu *) 617 ROUNDUP128(((ul) tbb) +(sizeof(xxm_tbb))); 618 619 rpb->rpb_percpu_off = (ul)rpb_percpu - (ul)rpb; 620 621 for (i=0;i<simosConf.numCPUs;i++) { 622 struct rpb_percpu *thisCPU = (struct rpb_percpu*) 623 ((ul)rpb_percpu + size*i); 624 625 bzero((char *)thisCPU, size); 626 bcopy((char *)&xxm_rpb_percpu, 627 (char *)thisCPU, 628 sizeof(struct rpb_percpu)); 629 630 thisCPU->rpb_pcb.rpb_ksp = ksp; 631 thisCPU->rpb_pcb.rpb_ptbr = PFN(first); 632 633 thisCPU->rpb_logout = KSEG_TO_PHYS(percpu_logout); 634 thisCPU->rpb_logout_len = 8192; 635 636/* thisCPU->rpb_pcb.rpb_ptbr = PFN(second);*/ 637 638 printf("KSP: 0x%x PTBR 0x%x\n", thisCPU->rpb_pcb.rpb_ksp, thisCPU->rpb_pcb.rpb_ptbr); 639 640 if (i) { 641 bootStrapImpure[i] = (ul)unix_boot_alloc(1); 642 } 643 644 } 645 646 nextPtr = (ul)rpb_percpu + size*simosConf.numCPUs; 647 } 648 649 /* 650 * Console Terminal Block 651 */ 652 653 654 rpb_ctb = (struct rpb_ctb *) nextPtr; 655 ctb_tt = (struct ctb_tt*) rpb_ctb; 656 657 rpb->rpb_ctb_off = ((ul)rpb_ctb) - (ul)rpb; 658 rpb->rpb_ctb_size = sizeof(struct rpb_ctb); 659 660 bzero((char *)rpb_ctb, sizeof(struct ctb_tt)); 661 662#ifdef original_xxm 663 if (tga_slot == -1) 664 rpb_ctb->rpb_type = CONS_DZ; 665 else { 666 rpb_ctb->rpb_type = CONS_GRPH; 667 rpb_ctb->rpb_unit = (SLOTINFO_PCI << 16) | (0 << 8) | tga_slot; 668 } 669#else 670 rpb_ctb->rpb_type = CONS_DZ; 671#endif 672 673 rpb_ctb->rpb_length = sizeof(ctb_tt)-sizeof(rpb_ctb); 674 675 /* 676 * uart initizliation 677 */ 678 ctb_tt->ctb_csr = 0; 679 ctb_tt->ctb_tivec = 0x6c0; /* matches tlaser pal code */ 680 ctb_tt->ctb_rivec = 0x680; /* matches tlaser pal code */ 681 ctb_tt->ctb_baud = 9600; 682 ctb_tt->ctb_put_sts = 0; 683 ctb_tt->ctb_get_sts = 0; 684 685 686 rpb_crb = (struct rpb_crb *) (((ul)rpb_ctb) + sizeof(struct ctb_tt)); 687 rpb->rpb_crb_off = ((ul)rpb_crb) - (ul)rpb; 688 689 bzero((char *)rpb_crb, sizeof(struct rpb_crb)); 690 /* 691 * console callback stuff (simos) 692 */ 693 694 rpb_crb->rpb_num = 1; 695 rpb_crb->rpb_mapped_pages = HWRPB_PAGES; 696 rpb_crb->rpb_map[0].rpb_virt = 0x10000000; 697 rpb_crb->rpb_map[0].rpb_phys = ((ul)rpb) & ~0x1fff; 698 rpb_crb->rpb_map[0].rpb_pgcount = HWRPB_PAGES; 699 700 701 printf("Console Callback at 0x%x, fixup at 0x%x \n", 702 rpb_crb->rpb_va_disp, 703 rpb_crb->rpb_va_fixup ); 704 705 rpb_mdt = (struct _xxm_rpb_mdt *) (((ul)rpb_crb) + sizeof(struct rpb_crb)); 706 rpb->rpb_mdt_off = (ul)rpb_mdt - (ul)rpb; 707 bcopy((char *)&xxm_rpb_mdt, (char *)rpb_mdt, sizeof(struct _xxm_rpb_mdt)); 708 709 710 cl = 0; 711#ifdef undef 712 /* Until Digital Unix can handle it, account all pages below the kernel 713 * as "console" memory. */ 714 rpb_mdt->rpb_cluster[cl].rpb_pfncount = cons_pages; 715#endif 716 rpb_mdt->rpb_cluster[cl].rpb_pfncount = kern_first_page; 717 cl++; 718 719 rpb_mdt->rpb_cluster[cl].rpb_pfn = kern_first_page; 720 rpb_mdt->rpb_cluster[cl].rpb_pfncount = mem_pages - kern_first_page; 721 rpb_mdt->rpb_cluster[cl].rpb_pfntested=rpb_mdt->rpb_cluster[cl].rpb_pfncount; 722 rpb_mdt->rpb_cluster[cl].rpb_pa = KSEG_TO_PHYS(mdt_bitmap); 723 rpb_mdt->rpb_cluster[cl].rpb_va = 0x10000000 + HWRPB_PAGES * 8192; 724 cl++; 725 726#ifdef undef 727 /* The stupid Unix kernel needs to have all mdt clusters in ascending 728 * order, and the last cluster is used to compute the top of memory. 729 * It can't make use of memory between the console and the kernel. 730 */ 731 rpb_mdt->rpb_cluster[cl].rpb_pfn = cons_pages; 732 rpb_mdt->rpb_cluster[cl].rpb_pfncount = kern_first_page - cons_pages; 733 rpb_mdt->rpb_cluster[cl].rpb_pfntested=rpb_mdt->rpb_cluster[cl].rpb_pfncount; 734 rpb_mdt->rpb_cluster[cl].rpb_pa = KSEG_TO_PHYS(mdt_bitmap); 735 rpb_mdt->rpb_cluster[cl].rpb_va = 0x10000000 + HWRPB_PAGES * 8192; 736 cl++; 737#endif 738 739 rpb_mdt->rpb_numcl = cl; 740 741 for (i = 0; i < cl; i++) 742 printf("Memory cluster %d [%d - %d]\n", i, rpb_mdt->rpb_cluster[i].rpb_pfn, rpb_mdt->rpb_cluster[i].rpb_pfncount); 743 744 745 746 /* Checksum the rpb for good luck */ 747 sum = 0; 748 lp1 = (long *)&rpb_mdt->rpb_impaddr; 749 lp2 = (long *)&rpb_mdt->rpb_cluster[cl]; 750 while (lp1 < lp2) sum += *lp1++; 751 rpb_mdt->rpb_checksum = sum; 752 753 /* XXX should checksum the cluster descriptors */ 754 755 bzero((char *)mdt_bitmap, MDT_BITMAP_PAGES * 8192); 756 for (i = 0; i < mem_pages/8; i++) ((unsigned char *)mdt_bitmap)[i] = 0xff; 757 758 printf("Initalizing mdt_bitmap addr 0x%x mem_pages %x \n", 759 (long)mdt_bitmap,(long)mem_pages); 760 761 xxm_rpb.rpb_config_off = 0; 762 xxm_rpb.rpb_fru_off = 0; 763 764 rpb_dsr = (struct rpb_dsr *) (((ul)rpb_mdt) + sizeof(struct _xxm_rpb_mdt)); 765 rpb->rpb_dsr_off = ((ul)rpb_dsr) - (ul)rpb; 766 bzero((char *)rpb_dsr, sizeof(struct rpb_dsr)); 767 rpb_dsr->rpb_smm = 1578; /* Official XXM SMM number as per SRM */ 768 rpb_dsr->rpb_smm = 1089; /* Official Alcor SMM number as per SRM */ 769 770 rpb_lurt = (int *) ROUNDUP8(((ul)rpb_dsr) + sizeof(struct rpb_dsr)); 771 rpb_dsr->rpb_lurt_off = ((ul) rpb_lurt) - (ul) rpb_dsr; 772 bcopy((char *)xxm_lurt, (char *)rpb_lurt, sizeof(xxm_lurt)); 773 774 rpb_name = (char *) ROUNDUP8(((ul)rpb_lurt) + sizeof(xxm_lurt)); 775 rpb_dsr->rpb_sysname_off = ((ul) rpb_name) - (ul) rpb_dsr; 776#define THENAME " SimOS ALPHA/EV5" 777 sum = sizeof(THENAME); 778 bcopy(THENAME, rpb_name, sum); 779 *(ul *)rpb_name = sizeof(THENAME); /* put in length field */ 780 781 /* calculate size of rpb */ 782 rpb->rpb_size = ((ul) &rpb_name[sum]) - (ul)rpb; 783 784 if (rpb->rpb_size > 8192*HWRPB_PAGES) { 785 panic("HWRPB_PAGES=%d too small for HWRPB !!! \n"); 786 } 787 788 789 { 790 ul *ptr = (ul*)((char*)rpb_dsr + sizeof(struct rpb_dsr )); 791 rpb_crb->rpb_pa_disp = KSEG_TO_PHYS(ptr); 792#if 0 793 rpb_crb->rpb_va_disp = 0x10000000 + ((ul)ptr&(0x2000*HWRPB_PAGES-1)); 794#else 795 rpb_crb->rpb_va_disp = 0x10000000 + ((ul)ptr & 0x1fff); 796#endif 797 printf("ConsoleDispatch at virt %x phys %x val %x\n", 798 rpb_crb->rpb_va_disp, 799 rpb_crb->rpb_pa_disp, 800 consoleCallback); 801 *ptr++ = 0; 802 *ptr++ = (ul) consoleCallback; 803 rpb_crb->rpb_pa_fixup = KSEG_TO_PHYS(ptr); 804#if 0 805 rpb_crb->rpb_va_fixup = 0x10000000 + ((ul)ptr& (0x2000*HWRPB_PAGES-1)); 806#else 807 rpb_crb->rpb_va_fixup = 0x10000000 + ((ul)ptr & 0x1fff); 808#endif 809 *ptr++ = 0; 810 *ptr++ = (ul) consoleFixup; 811 } 812 813 814 /* Checksum the rpb for good luck */ 815 sum = 0; 816 lp1 = (long *)rpb; 817 lp2 = &rpb->rpb_checksum; 818 while (lp1 < lp2) 819 sum += *lp1++; 820 *lp2 = sum; 821 822 823 /* 824 * MP bootstrap 825 */ 826 827 { 828 int i; 829 for (i=1;i<simosConf.numCPUs;i++) { 830 volatile struct AlphaAccess *k1Conf = (volatile struct AlphaAccess *) 831 (__MAGIC_ZONE(0, 0, MAGIC_ZONE_EV5_ALIAS)); 832 SpinLock(&theLock); 833 printf("Bootstraping CPU %d with sp=0x%x \n", 834 i,bootStrapImpure[i]); 835 SpinUnlock(&theLock); 836 k1Conf->bootStrapImpure = bootStrapImpure[i]; 837 k1Conf->bootStrapCPU = i; 838 } 839 } 840 841 /* 842 * Make sure that we are not stepping on the kernel 843 */ 844 if ((ul)unix_boot_mem >= (ul)simosConf.kernStart) { 845 panic("CONSOLE: too much memory. Smashing kernel \n"); 846 } else { 847 SpinLock(&theLock); 848 printf("unix_boot_mem ends at %x \n",unix_boot_mem); 849 SpinUnlock(&theLock); 850 } 851 852 853#ifdef undef 854#define CSERVE_K_JTOKERN 0x18 855 cServe(bootadr, (ul) rpb_percpu, CSERVE_K_JTOKERN, free_pfn); 856#endif 857 858 if (go) JToKern(bootadr, rpb_percpu, free_pfn, kargc, kargv, NULL); 859} 860 861 862#if 0 863aoutfixup(char *p) 864{ 865 int i; 866 unsigned long rem, len, off, dst; 867 868 869 struct new_aouthdr *ao = (struct new_aouthdr *) &p[NEW_FILHSZ]; 870#if 0 871 struct scnhdr *s = (struct scnhdr *) &p[FILHSZ + AOUTHSZ]; 872 struct scnhdr *t, *d, *b; 873 printf("aoutfixup: %d sections \n",fh->f_nscns); 874#endif 875 876 877 aout_text_start = ((ul)ao->text_start_hi<<32) + ao->text_start; 878 aout_data_addr = ((ul)ao->data_start_hi<<32) + ao->data_start; 879 aout_bss_addr = ((ul)ao->bss_start_hi<<32) + ao->bss_start; 880 aout_bss_size = ((ul)ao->bsize_hi<<32) + ao->bsize; 881 aout_entry = ((ul)ao->entry_hi<<32) + ao->entry; 882 883 printf("_text 0x%16x %8d @ %08d\n", aout_text_start, ao->tsize,0 /* t->s_scnptr*/); 884 printf("_data 0x%16x %8d @ %08d\n", aout_data_addr, ao->dsize,0/* d->s_scnptr*/); 885 printf("_bss 0x%16x %8d\n", aout_bss_addr, ao->bsize); 886 printf("entry 0x%16x\n", aout_entry); 887#if 0 888 for (i = 0; i < fh->f_nscns; i++) { 889 printf("section %d %s \n",i,s[i].s_name); 890 if (!strcmp(s[i].s_name, ".text")) t = &s[i]; 891 else if (!strcmp(s[i].s_name, ".data")) d = &s[i]; 892 else if (!strcmp(s[i].s_name, ".bss")) b = &s[i]; 893 } 894 bcopy(&p[t->s_scnptr], (char *)ao->text_start, ao->tsize); 895 bcopy(&p[d->s_scnptr], (char *)ao->data_start, ao->dsize); 896#endif 897} 898#endif 899 900extern ui palJToKern[]; 901 902JToKern(bootadr, rpb_percpu, free_pfn, k_argc, k_argv, envp) 903char * bootadr; 904ul rpb_percpu; 905ul free_pfn; 906ul k_argc; 907char **k_argv; 908char **envp; 909{ 910 struct _kernel_params *kernel_params = (struct _kernel_params *) KSEG; 911 int i; 912 913 printf("k_argc = %d ", k_argc); 914 for (i = 0; i < k_argc; i++) { 915 printf("'%s' ", k_argv[i]); 916 } 917 printf("\n"); 918 919/* rpb_percpu |= 0xfffffc0000000000;*/ 920 kernel_params->bootadr = bootadr; 921 kernel_params->rpb_percpu = KSEG_TO_PHYS(rpb_percpu); 922 kernel_params->free_pfn = free_pfn; 923 kernel_params->argc = k_argc; 924 kernel_params->argv = (ul)k_argv; 925 kernel_params->envp = (ul)envp; 926 printf("jumping to kernel at 0x%x, (PCBB 0x%x pfn %d)\n", bootadr, rpb_percpu, free_pfn); 927 jToPal(KSEG_TO_PHYS((ul)palJToKern)); 928 printf("returned from jToPal. Looping\n"); 929 while(1) continue; 930} 931 932 933void jToPal(ul bootadr) 934{ 935 cServe(bootadr, 0, CSERVE_K_JTOPAL); 936 937/* 938 * Make sure that floating point is enabled incase 939 * it was disabled by the user program. 940 */ 941 wrfen(1); 942} 943 944 945int strcpy(char *dst, char *src) 946{ 947 int i=0; 948 while(*src) { 949 *dst++ = *src++; 950 i++; 951 } 952 return i; 953} 954 955 956 957 958/* ***************************************** 959 * Console I/O 960 * ******************************************/ 961 962int numOpenDevices = 11; 963struct { 964 char name[128]; 965} deviceState[32]; 966 967#define BOOTDEVICE_NAME "SCSI 1 0 0 1 100 0" 968 969void 970DeviceOperation(long op, long channel, long count, long address, long block) 971{ 972 struct AlphaAccess *k1Conf = (struct AlphaAccess *) 973 (__MAGIC_ZONE(0, 0, MAGIC_ZONE_EV5_ALIAS)); 974 975 long pAddr; 976 977#if 0 978 printf("Console::DeviceRead count=0x%x address=0x%x block=0x%x\n", 979 count,address,block); 980#endif 981 982 if (strcmp(deviceState[channel].name, BOOTDEVICE_NAME )) { 983 panic("DeviceRead: only implemented for root disk \n"); 984 } 985 pAddr = KSEG_TO_PHYS(address); 986 if (pAddr + count > simosConf.mem_size) { 987 panic("DeviceRead: request out of range \n"); 988 } 989 990 k1Conf->diskCount = count; 991 k1Conf->diskPAddr = pAddr; 992 k1Conf->diskBlock = block; 993 k1Conf->diskOperation = op; /* launch */ 994} 995 996 997 998/* ************************************************************************* 999 * SimoS Console callbacks 1000 * **************************************************/ 1001 1002/* AXP manual 2-31 */ 1003#define CONSCB_GETC 0x1 1004#define CONSCB_PUTS 0x2 1005#define CONSCB_RESET_TERM 0x3 1006#define CONSCB_SET_TERM_INT 0x4 1007#define CONSCB_SET_TERM_CTL 0x5 1008#define CONSCB_PROCESS_KEY 0x6 1009#define CONSCB_OPEN_CONSOLE 0x7 1010#define CONSCB_CLOSE_CONSOLE 0x8 1011 1012#define CONSCB_OPEN 0x10 1013#define CONSCB_CLOSE 0x11 1014#define CONSCB_READ 0x13 1015 1016#define CONSCB_GETENV 0x22 1017 1018/* AXP manual 2-26 */ 1019#define ENV_AUTO_ACTION 0X01 1020#define ENV_BOOT_DEV 0X02 1021#define ENV_BOOTDEF_DEV 0X03 1022#define ENV_BOOTED_DEV 0X04 1023#define ENV_BOOT_FILE 0X05 1024#define ENV_BOOTED_FILE 0X06 1025#define ENV_BOOT_OSFLAGS 0X07 1026#define ENV_BOOTED_OSFLAGS 0X08 1027#define ENV_BOOT_RESET 0X09 1028#define ENV_DUMP_DEV 0X0A 1029#define ENV_ENABLE_AUDIT 0X0B 1030#define ENV_LICENSE 0X0C 1031#define ENV_CHAR_SET 0X0D 1032#define ENV_LANGUAGE 0X0E 1033#define ENV_TTY_DEV 0X0F 1034#define ENV_SCSIID 0X42 1035#define ENV_SCSIFAST 0X43 1036#define ENV_COM1_BAUD 0X44 1037#define ENV_COM1_MODEM 0X45 1038#define ENV_COM1_FLOW 0X46 1039#define ENV_COM1_MISC 0X47 1040#define ENV_COM2_BAUD 0X48 1041#define ENV_COM2_MODEM 0X49 1042#define ENV_COM2_FLOW 0X4A 1043#define ENV_COM2_MISC 0X4B 1044#define ENV_PASSWORD 0X4C 1045#define ENV_SECURE 0X4D 1046#define ENV_LOGFAIL 0X4E 1047#define ENV_SRM2DEV_ID 0X4F 1048 1049#define MAX_ENVLEN 32 1050 1051char env_auto_action[MAX_ENVLEN] = "BOOT"; 1052char env_boot_dev[MAX_ENVLEN] = ""; 1053char env_bootdef_dev[MAX_ENVLEN] = ""; 1054char env_booted_dev[MAX_ENVLEN] = BOOTDEVICE_NAME; 1055char env_boot_file[MAX_ENVLEN] = ""; 1056char env_booted_file[MAX_ENVLEN] = ""; 1057char env_boot_osflags[MAX_ENVLEN] = ""; 1058char env_booted_osflags[MAX_ENVLEN] = ""; 1059char env_boot_reset[MAX_ENVLEN] = ""; 1060char env_dump_dev[MAX_ENVLEN] = ""; 1061char env_enable_audit[MAX_ENVLEN] = ""; 1062char env_license[MAX_ENVLEN] = ""; 1063char env_char_set[MAX_ENVLEN] = ""; 1064char env_language[MAX_ENVLEN] = ""; 1065char env_tty_dev[MAX_ENVLEN] = "0"; 1066char env_scsiid[MAX_ENVLEN] = ""; 1067char env_scsifast[MAX_ENVLEN] = ""; 1068char env_com1_baud[MAX_ENVLEN] = ""; 1069char env_com1_modem[MAX_ENVLEN] = ""; 1070char env_com1_flow[MAX_ENVLEN] = ""; 1071char env_com1_misc[MAX_ENVLEN] = ""; 1072char env_com2_baud[MAX_ENVLEN] = ""; 1073char env_com2_modem[MAX_ENVLEN] = ""; 1074char env_com2_flow[MAX_ENVLEN] = ""; 1075char env_com2_misc[MAX_ENVLEN] = ""; 1076char env_password[MAX_ENVLEN] = ""; 1077char env_secure[MAX_ENVLEN] = ""; 1078char env_logfail[MAX_ENVLEN] = ""; 1079char env_srm2dev_id[MAX_ENVLEN] = ""; 1080 1081#define MAX_ENV_INDEX 100 1082char *env_ptr[MAX_ENV_INDEX] = 1083{ 1084 0, /* 0x00 */ 1085 env_auto_action, /* 0x01 */ 1086 env_boot_dev, /* 0x02 */ 1087 env_bootdef_dev, /* 0x03 */ 1088 env_booted_dev, /* 0x04 */ 1089 env_boot_file, /* 0x05 */ 1090 env_booted_file, /* 0x06 */ 1091 env_boot_osflags, /* 0x07 */ 1092 env_booted_osflags, /* 0x08 */ 1093 env_boot_reset, /* 0x09 */ 1094 env_dump_dev, /* 0x0A */ 1095 env_enable_audit, /* 0x0B */ 1096 env_license, /* 0x0C */ 1097 env_char_set, /* 0x0D */ 1098 (char *)&env_language, /* 0x0E */ 1099 env_tty_dev, /* 0x0F */ 1100 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, /* 0x10 - 0x1F */ 1101 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, /* 0x20 - 0x2F */ 1102 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, /* 0x30 - 0x3F */ 1103 0, /* 0x40 */ 1104 0, /* 0x41 */ 1105 env_scsiid, /* 0x42 */ 1106 env_scsifast, /* 0x43 */ 1107 env_com1_baud, /* 0x44 */ 1108 env_com1_modem, /* 0x45 */ 1109 env_com1_flow, /* 0x46 */ 1110 env_com1_misc, /* 0x47 */ 1111 env_com2_baud, /* 0x48 */ 1112 env_com2_modem, /* 0x49 */ 1113 env_com2_flow, /* 0x4A */ 1114 env_com2_misc, /* 0x4B */ 1115 env_password, /* 0x4C */ 1116 env_secure, /* 0x4D */ 1117 env_logfail, /* 0x4E */ 1118 env_srm2dev_id, /* 0x4F */ 1119 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, /* 0x50 - 0x5F */ 1120 0, /* 0x60 */ 1121 0, /* 0x61 */ 1122 0, /* 0x62 */ 1123 0, /* 0x63 */ 1124}; 1125 1126long 1127CallBackDispatcher(long a0, long a1, long a2, long a3, long a4) 1128{ 1129 long i; 1130 switch (a0) { 1131 case CONSCB_GETC: 1132 break; 1133 1134 case CONSCB_PUTS: 1135 for(i = 0; i < a3; i++) { 1136 PutChar(*((char *)a2+i)); 1137 } 1138 return a3; 1139 1140 case CONSCB_GETENV: 1141 if (a1 >= 0 && a1 < MAX_ENV_INDEX && env_ptr[a1] != 0 && *env_ptr[a1]) { 1142 i = strcpy((char*)a2, env_ptr[a1]); 1143 } else { 1144 strcpy((char*)a2, ""); 1145 i = (long)0xc000000000000000; 1146 if (a1 >= 0 && a1 < MAX_ENV_INDEX) 1147 printf ("GETENV unsupported option %d (0x%x)\n", a1, a1); 1148 else 1149 printf ("GETENV unsupported option %s\n", a1); 1150 } 1151 1152 if (i > a3) 1153 panic("CONSCB_GETENV overwrote buffer\n"); 1154 return i; 1155 1156 case CONSCB_OPEN: 1157 bcopy((char*)a1,deviceState[numOpenDevices].name,a2); 1158 deviceState[numOpenDevices].name[a2] = '\0'; 1159 printf("CONSOLE OPEN : %s --> success \n", 1160 deviceState[numOpenDevices].name); 1161 return numOpenDevices++; 1162 1163 case CONSCB_READ: 1164 DeviceOperation(a0,a1,a2,a3,a4); 1165 break; 1166 1167 case CONSCB_CLOSE: 1168 break; 1169 case CONSCB_OPEN_CONSOLE: 1170 printf("CONSOLE OPEN\n"); 1171 return 0; /* success */ 1172 break; /* not rearched */ 1173 case CONSCB_CLOSE_CONSOLE: 1174 printf("CONSOLE CLOSE\n"); 1175 return 0; /* success */ 1176 break; /* not reached */ 1177 1178 default: 1179 panic("cher (%x,%x,%x,%x)\n", a0, a1, a2, a3); 1180 } 1181 1182 return 0; 1183} 1184 1185long CallBackFixup(int a0, int a1, int a2) 1186{ 1187 printf("CallbackFixup %x %x \n",a0,a1); 1188 1189#if 0 1190 if (first[FIRST(a1)]==0) { 1191 first[FIRST(a1)] = KPTE(PFN(reservedFixup)); 1192 } else { 1193 panic("CallBakcfixup\n"); 1194 } 1195 second[SECOND(a1)] = KPTE(PFN(third_rpb)); /* Region 0 */ 1196 printf("Fixup: FISRT(a1)=0x%x SECOND(a1)=0x%x THIRD(a1)=0x%x\n", 1197 FIRST(a1),SECOND(a1),THIRD(a1)); 1198 1199#endif 1200 return 0; 1201} 1202 1203 1204 1205 1206 1207void SlaveCmd(int cpu, struct rpb_percpu *my_rpb) 1208{ 1209/* extern void palJToSlave[]; */ 1210 extern unsigned int palJToSlave[]; 1211 1212 1213 my_rpb->rpb_state |= STATE_BIP; 1214 my_rpb->rpb_state &= ~STATE_RC; 1215 1216 SpinLock(&theLock); 1217 printf("SlaveCmd: restart %x %x vptb %x my_rpb %x my_rpb_phys %x\n", 1218 rpb->rpb_restart, 1219 rpb->rpb_restart_pv, 1220 rpb->rpb_vptb, my_rpb, 1221 KSEG_TO_PHYS(my_rpb)); 1222 SpinUnlock(&theLock); 1223 1224 cServe(KSEG_TO_PHYS((ul)palJToSlave), 1225 (ul)rpb->rpb_restart, 1226 CSERVE_K_JTOPAL, 1227 rpb->rpb_restart_pv, 1228 rpb->rpb_vptb, 1229 KSEG_TO_PHYS(my_rpb)); 1230} 1231 1232void SlaveLoop( int cpu) 1233{ 1234 int size = ROUNDUP128(sizeof(struct rpb_percpu)); 1235 struct rpb_percpu *my_rpb = (struct rpb_percpu*) 1236 ((ul)rpb_percpu + size*cpu); 1237 1238 1239 SpinLock(&theLock); 1240 if (cpu==0) { 1241 panic("CPU�0 entering slaveLoop. Reenetering the console. HOSED \n"); 1242 } else { 1243 printf("Entering slaveloop for cpu %d my_rpb=%x \n",cpu,my_rpb); 1244 } 1245 SpinUnlock(&theLock); 1246 while(1) { 1247 int i; 1248 for (i=0; i < 1000000 ; i++) { 1249 if (my_rpb->rpb_iccb.iccb_rxlen) { 1250 SpinLock(&theLock); 1251 printf("Slave CPU %d console command %s", 1252 cpu,my_rpb->rpb_iccb.iccb_rxbuf); 1253 SpinUnlock(&theLock); 1254 SlaveCmd(cpu,my_rpb); 1255 panic("SlaveCmd returned \n"); 1256 } 1257 } 1258 printf("*"); 1259 } 1260} 1261 1262