console.c revision 7977:60051d2262c2
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; 13#include "machine_defs.h" 14#include "new_aouthdr.h" 15#include "alpha_access.h" 16#if 0 17#include "srcmax.h" 18#endif 19 20/* from ../h */ 21#include "lib.h" 22#include "rpb.h" 23#include "cserve.h" 24 25 26#define CONS_INT_TX 0x01 /* interrupt enable / state bits */ 27#define CONS_INT_RX 0x02 28 29#define KSEG 0xfffffc0000000000 30#define K1BASE 0xfffffc8000000000 31#define KSEG_TO_PHYS(x)(((ul)x) & ~KSEG) 32 33#define CDR ((volatile DevConsoleRegisters *) \ 34 (__MAGIC_ZONE(0, 0, MAGIC_ZONE_BDOOR_DEV) + __MAGIC_BDOOR_CNSLE_OFFS)) 35 36 37#define PHYS_TO_K1(_x) (K1BASE|(_x)) 38 39#define AOUT_LOAD_ADDR (KSEG|0xf000) 40 41#define ROUNDUP8(x) ((ul)(((ul)x)+7) & ~7) 42#define ROUNDUP128(x) ((ul)(((ul)x)+127) & ~127) 43#define ROUNDUP8K(x) ((ul)(((ul)(x))+8191) & ~8191) 44 45#define FIRST(x) ((((ul)(x)) >> 33) & 0x3ff) 46#define SECOND(x) ((((ul)(x)) >> 23) & 0x3ff) 47#define THIRD(x) ((((ul)(x)) >> 13) & 0x3ff) 48#define THIRD_XXX(x) ((((ul)(x)) >> 13) & 0xfff) 49#define PFN(x) ((((ul)(x) & ~KSEG) >> 13)) 50 51/* Kernel write | kernel read | valid */ 52#define KPTE(x) ((ul)((((ul)(x)) << 32) | 0x1101)) 53 54#define HWRPB_PAGES 4 55#define MDT_BITMAP_PAGES 4 56 57#define CSERVE_K_JTOKERN 0x18 58 59#define NUM_KERNEL_THIRD (4) 60 61 62static unixBoot(int go, int argc, char **argv); 63void jToPal(ul bootadr); 64void SlaveLoop(int cpu); 65 66 67AlphaAccess simosConf; 68 69/* ************************************************************** 70 * Console callbacks use VMS calling conventions 71 * read AXP manual, 2-64. 72 * ***************************************************************/ 73typedef struct OpenVMSFunc { 74 long dummy; 75 long func; 76}OpenVMSFunc; 77 78OpenVMSFunc callbackFunc, fixupFunc; 79 80 81 82 83ul theLock; 84 85 86extern void SpinLock(ul *lock); 87#define SpinUnlock(_x) *(_x) = 0; 88 89struct _kernel_params { 90 char *bootadr; 91 ul rpb_percpu; 92 ul free_pfn; 93 ul argc; 94 ul argv; 95 ul envp; /* NULL */ 96}; 97 98 99extern consoleCallback[]; 100extern consoleFixup[]; 101long CallBackDispatcher(); 102long CallBackFixup(); 103 104/* 105 * simos console output 106 */ 107 108void InitConsole(void) 109{ 110#if 0 111 CDR->intr_status =(DevRegister)(DEV_CNSLE_RX_INTR |DEV_CNSLE_TX_INTR); 112#endif 113} 114 115void PutChar(char c) 116{ 117#if 0 118 CDR->data = c; 119#endif 120#if 0 121 *(int*) PHYS_TO_K1(SLOT_D_COM1<<5) = c; 122#endif 123 AlphaAccess *k1Conf = (AlphaAccess *)(__MAGIC_ZONE(0, 0, MAGIC_ZONE_EV5_ALIAS)); 124 k1Conf->outputChar = c; 125 126} 127 128 129int passArgs(int argc) 130{ 131 ; 132} 133 134 135main(int argc, char **argv) 136{ 137 int x,i; 138 AlphaAccess *k1Conf = (AlphaAccess *)(__MAGIC_ZONE(0, 0, MAGIC_ZONE_EV5_ALIAS)); 139 ui *k1ptr,*ksegptr; 140 141 142 InitConsole(); 143 printf("SimOS console \n"); 144 /* 145 * get configuration from backdoor 146 */ 147 simosConf.last_offset = k1Conf->last_offset; 148 printf(" Got simosConfiguration %d \n",simosConf.last_offset); 149 150 for (i=1;i<=simosConf.last_offset/4;i++) { 151 ui *k1ptr = (ui*)k1Conf + i; 152 ui *ksegptr = (ui*)(&simosConf.last_offset)+i; 153 *ksegptr = *k1ptr; 154 155 } 156 157 if (simosConf.version != ALPHA_ACCESS_VERSION) { 158 panic("Console version mismatch. Console expects %d. SimOS has %d \n", 159 ALPHA_ACCESS_VERSION,simosConf.version); 160 } 161 162 163 /* 164 * setup arguments to kernel 165 */ 166 unixBoot(1,argc,argv); 167 168 x = *(volatile int *)(K1BASE-4); 169 while(1) continue; 170 return x; 171} 172 173/* 174 * BOOTING 175 */ 176struct rpb xxm_rpb = { 177 NULL, /* 000: physical self-reference */ 178 'H'|('W'<<8)|('R'<<16)|('P'<<24)|('B'<<32), /* 008: contains string "HWRPB" */ 179 6, /* 010: HWRPB version number */ 180 /* the byte count is wrong, but who needs it? - lance */ 181 0, /* 018: bytes in RPB perCPU CTB CRB MEDSC */ 182 0, /* 020: primary cpu id */ 183 8192, /* 028: page size in bytes */ 184 43, /* 030: number of phys addr bits */ 185 127, /* 038: max valid ASN */ 186 {'0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '1'}, /* 040: system serial num: 10 ascii chars */ 187#ifdef undef 188/* To be legitimate, the following system type and variation are correct for the XXM. 189 But there are too many #ifdefs etc to deal with in Unix, so we tell the kernel 190 that we're an Avanti, which is similar enough. 191 */ 192 31, /* 050: system type - XXM is now in the Alpha SRM */ 193 (1 << 10) | (2<<1),/* 058: system variation - XXM w/EV5 & embeded console */ 194#endif 195#if 0 196 0x12, /* 050: system type - masquarade as some random 21064 */ 197#endif 198 12, /* masquerade a DEC_3000_500 (bugnion) */ 199 (2<<1), /* 058: system variation */ 200 'c'|('o'<<8)|('o'<<16)|('l'<< 24), /* 060: system revision */ 201 1024*4096, /* 068: scaled interval clock intr freq OVERRIDEN*/ 202 0, /* 070: cycle counter frequency */ 203 0x200000000, /* 078: virtual page table base */ 204 0, /* 080: reserved */ 205 0, /* 088: offset to translation buffer hint */ 206 1, /* 090: number of processor slots OVERRIDDEN*/ 207 sizeof(struct rpb_percpu), /* 098: per-cpu slot size. OVERRIDDEN */ 208 0, /* 0A0: offset to per_cpu slots */ 209 1, /* 0A8: number of CTBs */ 210#ifdef bugnion_gone 211 sizeof(struct rpb_ctb), /* 0B0: bytes in largest CTB */ 212#else 213 sizeof(struct ctb_tt), 214#endif 215 0, /* 0B8: offset to CTB (cons term block) */ 216 0, /* 0C0: offset to CRB (cons routine block) */ 217 0, /* 0C8: offset to memory descriptor table */ 218 0, /* 0D0: offset to config data block */ 219 0, /* 0D8: offset to FRU table */ 220 0, /* 0E0: virt addr of save term routine */ 221 0, /* 0E8: proc value for save term routine */ 222 0, /* 0F0: virt addr of restore term routine */ 223 0, /* 0F8: proc value for restore term routine */ 224 0, /* 100: virt addr of CPU restart routine */ 225 0, /* 108: proc value for CPU restart routine */ 226 0, /* 110: used to determine presence of kdebug */ 227 0, /* 118: reserved for hardware */ 228/* the checksum is wrong, but who needs it? - lance */ 229 0, /* 120: checksum of prior entries in rpb */ 230 0, /* 128: receive ready bitmask */ 231 0, /* 130: transmit ready bitmask */ 232 0, /* 138: Dynamic System Recog. offset */ 233}; 234 235ul xxm_tbb[] = { 0x1e1e1e1e1e1e1e1e, 0x1e1e1e1e1e1e1e1e, 0x1e1e1e1e1e1e1e1e, 0x1e1e1e1e1e1e1e1e, 236 0x1e1e1e1e1e1e1e1e, 0x1e1e1e1e1e1e1e1e, 0x1e1e1e1e1e1e1e1e, 0x1e1e1e1e1e1e1e1e}; 237 238struct rpb_percpu xxm_rpb_percpu = { 239 {0,0,0,0,0,0,0,{0,0},{0,0,0,0,0,0,0,0}}, /* 000: boot/restart HWPCB */ 240 (STATE_PA | STATE_PP | STATE_CV | STATE_PV | STATE_PMV | STATE_PL), /* 080: per-cpu state bits */ 241 0xc000, /* 088: palcode memory length */ 242 0x2000, /* 090: palcode scratch length */ 243 0x4000, /* 098: phys addr of palcode mem space */ 244 0x2000, /* 0A0: phys addr of palcode scratch space */ 245 (2 << 16) | (5 << 8) | 1, /* 0A8: PALcode rev required */ 246 5|(2<<32), /* 0B0: processor type */ 247 7, /* 0B8: processor variation */ 248 'D'|('a'<<8)|('v'<<16)|('e'<<24), /* 0C0: processor revision */ 249 {'D','a','v','e','C','o','n','r','o','y',0,0,0,0,0,0}, /* 0C8: proc serial num: 10 ascii chars */ 250 0, /* 0D8: phys addr of logout area */ 251 0, /* 0E0: length in bytes of logout area */ 252 0, /* 0E8: halt pcb base */ 253 0, /* 0F0: halt pc */ 254 0, /* 0F8: halt ps */ 255 0, /* 100: halt arg list (R25) */ 256 0, /* 108: halt return address (R26) */ 257 0, /* 110: halt procedure value (R27) */ 258 0, /* 118: reason for halt */ 259 0, /* 120: for software */ 260 {0}, /* 128: inter-console communications buffer */ 261 {1,0,5,0,0,0,0,0,0,0,0,0,0,0,0,0}, /* 1D0: PALcode revs available */ 262 0 /* 250: reserved for arch use */ 263/* the dump stack grows from the end of the rpb page not to reach here */ 264}; 265 266struct _xxm_rpb_mdt { 267 long rpb_checksum; /* 000: checksum of entire mem desc table */ 268 long rpb_impaddr; /* 008: PA of implementation dep info */ 269 long rpb_numcl; /* 010: number of clusters */ 270 struct rpb_cluster rpb_cluster[3]; /* first instance of a cluster */ 271}; 272 273struct _xxm_rpb_mdt xxm_rpb_mdt = { 274 0, /* 000: checksum of entire mem desc table */ 275 0, /* 008: PA of implementation dep info */ 276 0, /* 010: number of clusters */ 277 {{ 0, /* 000: starting PFN of this cluster */ 278 0, /* 008: count of PFNs in this cluster */ 279 0, /* 010: count of tested PFNs in cluster */ 280 0, /* 018: va of bitmap */ 281 0, /* 020: pa of bitmap */ 282 0, /* 028: checksum of bitmap */ 283 1 /* 030: usage of cluster */ 284 }, 285 { 0, /* 000: starting PFN of this cluster */ 286 0, /* 008: count of PFNs in this cluster */ 287 0, /* 010: count of tested PFNs in cluster */ 288 0, /* 018: va of bitmap */ 289 0, /* 020: pa of bitmap */ 290 0, /* 028: checksum of bitmap */ 291 0 /* 030: usage of cluster */ 292 }, 293 { 0, /* 000: starting PFN of this cluster */ 294 0, /* 008: count of PFNs in this cluster */ 295 0, /* 010: count of tested PFNs in cluster */ 296 0, /* 018: va of bitmap */ 297 0, /* 020: pa of bitmap */ 298 0, /* 028: checksum of bitmap */ 299 0 /* 030: usage of cluster */ 300 }} 301}; 302 303/* constants for slotinfo bus_type subfield */ 304#define SLOTINFO_TC 0 305#define SLOTINFO_ISA 1 306#define SLOTINFO_EISA 2 307#define SLOTINFO_PCI 3 308 309struct rpb_ctb xxm_rpb_ctb = { 310 CONS_DZ, /* 000: console type */ 311 0, /* 008: console unit */ 312 0, /* 010: reserved */ 313 0 /* 018: byte length of device dep portion */ 314}; 315 316/* we don't do any fixup (aka relocate the console) - we hope */ 317struct rpb_crb xxm_rpb_crb = { 318 0, /* va of call-back dispatch rtn */ 319 0, /* pa of call-back dispatch rtn */ 320 0, /* va of call-back fixup rtn */ 321 0, /* pa of call-back fixup rtn */ 322 0, /* number of entries in phys/virt map */ 323 0 /* Number of pages to be mapped */ 324}; 325 326struct _rpb_name { 327 unsigned long length; 328 char name[16]; 329}; 330 331extern struct _rpb_name xxm_name; 332 333struct rpb_dsr xxm_rpb_dsr = { 334 0, 335 0, 336 0, 337}; 338 339struct _rpb_name xxm_name = { 340 16, 341 {'D','E','C',' ','S','R','C',' ','X','X','M',' ','D','G','C',0}, 342}; 343 344/* XXM has one LURT entry - 1050 is for workstations, 1100 is servers (and is needed for CXX) */ 345long xxm_lurt[10] = { 9, 12, -1, -1, -1, -1, -1, -1, 1100, 1100 }; 346 347ul unix_boot_mem; 348unsigned long bootadr; 349#if 0 350unsigned long aout_bss_addr, aout_bss_size, aout_entry, aout_text_start, aout_data_addr; 351#endif 352char **kargv; 353int kargc; 354ul free_pfn; 355struct rpb_percpu *rpb_percpu; 356 357 358#define MAX_CPUS 32 359 360ul bootStrapImpure[MAX_CPUS]; 361 362 363char *unix_boot_alloc(int pages) 364{ 365 char *ret = (char *) unix_boot_mem; 366 unix_boot_mem += (pages * 8192); 367 return ret; 368} 369 370ul *first = 0; 371ul *third_rpb = 0; 372ul *reservedFixup = 0; 373 374struct rpb *rpb; 375 376unixBoot(int go, int argc, char **argv) 377{ 378 ul *second, *third_kernel, ptr, *tbb, size, *percpu_logout; 379 unsigned char *mdt_bitmap; 380 long *lp1, *lp2, sum; 381 int i, cl; 382 int kern_first_page; 383 int mem_size = simosConf.mem_size; 384 385 int mem_pages = mem_size / 8192, cons_pages; 386 ul kernel_bytes, ksp, kernel_end, *unix_kernel_stack, bss, ksp_bottom, ksp_top; 387 struct rpb_ctb *rpb_ctb; 388 struct ctb_tt *ctb_tt; 389 struct rpb_dsr *rpb_dsr; 390 struct rpb_crb *rpb_crb; 391 struct _xxm_rpb_mdt *rpb_mdt; 392 int *rpb_lurt; 393 char *rpb_name; 394 ul nextPtr; 395 396 printf( "memsize %x pages %x \n",mem_size,mem_pages); 397 398 399 400#ifdef notnow 401 if (unixArgs()) return; 402#endif 403 404 /* Allocate: 405 * two pages for the HWRPB 406 * five page table pages: 407 * 1: First level page table 408 * 1: Second level page table 409 * 1: Third level page table for HWRPB 410 * 2: Third level page table for kernel (for up to 16MB) 411 * set up the page tables 412 * load the kernel at the physical address 0x230000 413 * build the HWRPB 414 * set up memory descriptor table to give up the 415 * physical memory between the end of the page 416 * tables and the start of the kernel 417 * enable kseg addressing 418 * jump to the kernel 419 */ 420 421 unix_boot_mem = ROUNDUP8K(&_end); 422 423 printf("First free page after ROM 0x%x\n", unix_boot_mem); 424 425 rpb = (struct rpb *) unix_boot_alloc( HWRPB_PAGES); 426 427 mdt_bitmap = (unsigned char *) unix_boot_alloc(MDT_BITMAP_PAGES); 428 first = (ul *)unix_boot_alloc(1); 429 second = (ul *)unix_boot_alloc(1); 430 third_rpb = (ul *)unix_boot_alloc(1); 431 reservedFixup = (ul*) unix_boot_alloc(1); 432 third_kernel = (ul *)unix_boot_alloc(NUM_KERNEL_THIRD); 433 percpu_logout = (ul*)unix_boot_alloc(1); 434 435 436 cons_pages = KSEG_TO_PHYS(unix_boot_mem) / 8192; 437 438 /* Set up the page tables */ 439 bzero((char *)first, 8192); 440 bzero((char *)second, 8192); 441 bzero((char *)reservedFixup,8192); 442 bzero((char *)third_rpb, HWRPB_PAGES * 8192); 443 bzero((char *)third_kernel, 8192 * NUM_KERNEL_THIRD); 444 445 first[0] = KPTE(PFN(second)); 446 first[1] = KPTE(PFN(first)); /* Region 3 */ 447 448 second[SECOND(0x10000000)] = KPTE(PFN(third_rpb)); /* Region 0 */ 449 for (i=0;i<NUM_KERNEL_THIRD;i++) { 450 second[SECOND(0x20000000)+i] = KPTE(PFN(third_kernel)+i); /* Region 1 */ 451 } 452 second[SECOND(0x40000000)] = KPTE(PFN(second)); /* Region 2 */ 453 454 455 { 456 457 /* For some obscure reason, Dec Unix's database read 458 * from /etc/sysconfigtab is written to this fixed 459 * mapped memory location. Go figure, since it is 460 * not initialized by the console. Maybe it is 461 * to look at the database from the console 462 * after a boot/crash. 463 * 464 * Black magic to estimate the max size. SEGVs on overflow 465 * bugnion 466 */ 467 468#define DATABASE_BASE 0x20000000 469#ifdef not_not 470#define DATABASE_END 0x20230000 /* don't need all that */ 471#endif 472 473#define DATABASE_END 0x20020000 474 475 int i; 476 ul *dbPage = (ul*)unix_boot_alloc(1); 477 second[SECOND(DATABASE_BASE)] = KPTE(PFN(dbPage)); 478 for (i=DATABASE_BASE; i <DATABASE_END ; i+= 8096) { 479 ul *db = (ul*)unix_boot_alloc(1); 480 dbPage[THIRD(i)] = KPTE(PFN(db)); 481 } 482 } 483 484 /* Region 0 */ 485 /* Map the HWRPB */ 486 for (i = 0; i < HWRPB_PAGES; i++) third_rpb[i] = KPTE(PFN(rpb) + i); 487 488 /* Map the MDT bitmap table */ 489 for (i=0;i<MDT_BITMAP_PAGES;i++) { 490 third_rpb[HWRPB_PAGES+i] = KPTE(PFN(mdt_bitmap)+i); 491 } 492 493 /* Protect the PAL pages */ 494 for (i = 1; i < PFN(first); i++) third_rpb[HWRPB_PAGES + MDT_BITMAP_PAGES + i] = KPTE(i); 495 496 /* Set up third_kernel after it's loaded, when we know where it is */ 497 498#ifdef original__xxm 499 if (unixLoadKernel(AOUT_LOAD_ADDR, argv[1]) == -1) return; 500 aoutfixup(AOUT_LOAD_ADDR); 501#else 502 /* aoutfixup(simosConf.kernelFileHdr); */ 503#endif 504#if 0 505 bss = aout_bss_addr; 506 507 kern_first_page = (KSEG_TO_PHYS(aout_text_start) / 8192); 508 kernel_end = ksp_top = ROUNDUP8K(aout_bss_addr + aout_bss_size); 509 bootadr = aout_entry; 510#endif 511 512 kern_first_page = (KSEG_TO_PHYS(simosConf.kernStart)/8192); 513 kernel_end = ksp_top = ROUNDUP8K(simosConf.kernEnd); 514 bootadr = simosConf.entryPoint; 515 516 517 printf("HWRPB 0x%x l1pt 0x%x l2pt 0x%x l3pt_rpb 0x%x l3pt_kernel 0x%x l2reserv 0x%x\n", 518 rpb, first, second, third_rpb, third_kernel,reservedFixup); 519 if (kernel_end - simosConf.kernStart > (0x800000*NUM_KERNEL_THIRD)) { 520 printf("Kernel is more than 8MB 0x%x - 0x%x = 0x%x\n", 521 kernel_end, simosConf.kernStart, 522 kernel_end -simosConf.kernStart ); 523 panic("kernel too big\n"); 524 525 } 526 /* Map the kernel's pages into the third level of region 2 */ 527 528 for (ptr = simosConf.kernStart; ptr < kernel_end; ptr += 8192) { 529 530 third_kernel[THIRD_XXX(ptr)] = KPTE(PFN(ptr)); 531 } 532 /* blow 2 pages of phys mem for guards since it maintains 1-to-1 mapping */ 533 ksp = ksp_top + (3 * 8192); 534 if (ksp - simosConf.kernStart > (0x800000*NUM_KERNEL_THIRD)) { 535 printf("Kernel stack pushd us over 8MB\n"); 536 panic("ksp too big\n"); 537 } 538 if (THIRD_XXX((ul)ksp_top) > NUM_KERNEL_THIRD * 1024) { 539 panic("increase NUM_KERNEL_THIRD, and change THIRD_XXX\n"); 540 } 541 ptr = (ul) ksp_top; 542 bzero((char *)ptr, 8192 * 2); 543 third_kernel[THIRD_XXX(ptr)] = 0; /* Stack Guard Page */ 544 ptr += 8192; 545 third_kernel[THIRD_XXX(ptr)] = KPTE(PFN(ptr)); /* Kernel Stack Pages */ 546 ptr += 8192; 547 third_kernel[THIRD_XXX(ptr)] = KPTE(PFN(ptr)); 548 ptr += 8192; 549 third_kernel[THIRD_XXX(ptr)] = 0; /* Stack Guard Page */ 550 551 /* put argv into the bottom of the stack - argv starts at 1 because 552 * the command thatr got us here (i.e. "unixboot) is in argv[0]. 553 */ 554 ksp -= 8; /* Back up one longword */ 555 ksp -= argc * sizeof(char *); /* Make room for argv */ 556 kargv = (char **) ksp; 557 for (i = 1; i < argc; i++) { /* Copy arguments to stack */ 558 ksp -= ((strlen(argv[i]) + 1) + 7) & ~0x7; 559 kargv[i-1] = (char *) ksp; 560 strcpy(kargv[i-1], argv[i]); 561 } 562 kargc = i - 1; 563 kargv[kargc] = NULL; /* just to be sure; doesn't seem to be used */ 564 ksp -= sizeof(char *); /* point above last arg for no real reason */ 565 566 free_pfn = PFN(ptr); 567 568 bcopy((char *)&xxm_rpb, (char *)rpb, sizeof(struct rpb)); 569 570 rpb->rpb_selfref = (struct rpb *) KSEG_TO_PHYS(rpb); 571 rpb->rpb_string = 0x0000004250525748; 572 573 tbb = (ul *) (((char *) rpb) + ROUNDUP8(sizeof(struct rpb))); 574 rpb->rpb_trans_off = (ul)tbb - (ul)rpb; 575 bcopy((char *)xxm_tbb, (char *)tbb, sizeof(xxm_tbb)); 576 577 578 /* 579 * rpb_counter. Use to determine timeouts in OS. 580 * XXX must be patched after a checkpoint restore (I guess) 581 */ 582 583 printf("CPU Clock at %d MHz IntrClockFrequency=%d \n", simosConf.cpuClock,simosConf.intrClockFrequency); 584 rpb->rpb_counter = simosConf.cpuClock * 1000 * 1000; 585 586 /* 587 * By definition, the rpb_clock is scaled by 4096 (in hz) 588 */ 589 rpb->rpb_clock = simosConf.intrClockFrequency * 4096; 590 591 592 593 /* 594 * Per CPU Slots. Multiprocessor support. 595 */ 596 { 597 int i; 598 int size = ROUNDUP128(sizeof(struct rpb_percpu)); 599 600 printf("Booting with %d processor(s) \n",simosConf.numCPUs); 601 602 rpb->rpb_numprocs = simosConf.numCPUs; 603 rpb->rpb_slotsize = size; 604 rpb_percpu = (struct rpb_percpu *) 605 ROUNDUP128(((ul) tbb) +(sizeof(xxm_tbb))); 606 607 rpb->rpb_percpu_off = (ul)rpb_percpu - (ul)rpb; 608 609 for (i=0;i<simosConf.numCPUs;i++) { 610 struct rpb_percpu *thisCPU = (struct rpb_percpu*) 611 ((ul)rpb_percpu + size*i); 612 613 bzero((char *)thisCPU, size); 614 bcopy((char *)&xxm_rpb_percpu, 615 (char *)thisCPU, 616 sizeof(struct rpb_percpu)); 617 618 thisCPU->rpb_pcb.rpb_ksp = ksp; 619 thisCPU->rpb_pcb.rpb_ptbr = PFN(first); 620 621 thisCPU->rpb_logout = KSEG_TO_PHYS(percpu_logout); 622 thisCPU->rpb_logout_len = 8192; 623 624/* thisCPU->rpb_pcb.rpb_ptbr = PFN(second);*/ 625 626 printf("KSP: 0x%x PTBR 0x%x\n", thisCPU->rpb_pcb.rpb_ksp, thisCPU->rpb_pcb.rpb_ptbr); 627 628 if (i) { 629 bootStrapImpure[i] = (ul)unix_boot_alloc(1); 630 } 631 632 } 633 634 nextPtr = (ul)rpb_percpu + size*simosConf.numCPUs; 635 } 636 637 /* 638 * Console Terminal Block 639 */ 640 641 642 rpb_ctb = (struct rpb_ctb *) nextPtr; 643 ctb_tt = (struct ctb_tt*) rpb_ctb; 644 645 rpb->rpb_ctb_off = ((ul)rpb_ctb) - (ul)rpb; 646 rpb->rpb_ctb_size = sizeof(struct rpb_ctb); 647 648 bzero((char *)rpb_ctb, sizeof(struct ctb_tt)); 649 650#ifdef original_xxm 651 if (tga_slot == -1) 652 rpb_ctb->rpb_type = CONS_DZ; 653 else { 654 rpb_ctb->rpb_type = CONS_GRPH; 655 rpb_ctb->rpb_unit = (SLOTINFO_PCI << 16) | (0 << 8) | tga_slot; 656 } 657#else 658 rpb_ctb->rpb_type = CONS_DZ; 659#endif 660 661 rpb_ctb->rpb_length = sizeof(ctb_tt)-sizeof(rpb_ctb); 662 663 /* 664 * uart initizliation 665 */ 666 ctb_tt->ctb_csr = 0; 667 ctb_tt->ctb_tivec = 0x6c0; /* matches tlaser pal code */ 668 ctb_tt->ctb_rivec = 0x680; /* matches tlaser pal code */ 669 ctb_tt->ctb_baud = 9600; 670 ctb_tt->ctb_put_sts = 0; 671 ctb_tt->ctb_get_sts = 0; 672 673 674 rpb_crb = (struct rpb_crb *) (((ul)rpb_ctb) + sizeof(struct ctb_tt)); 675 rpb->rpb_crb_off = ((ul)rpb_crb) - (ul)rpb; 676 677 bzero((char *)rpb_crb, sizeof(struct rpb_crb)); 678 /* 679 * console callback stuff (simos) 680 */ 681 682 rpb_crb->rpb_num = 1; 683 rpb_crb->rpb_mapped_pages = HWRPB_PAGES; 684 rpb_crb->rpb_map[0].rpb_virt = 0x10000000; 685 rpb_crb->rpb_map[0].rpb_phys = ((ul)rpb) & ~0x1fff; 686 rpb_crb->rpb_map[0].rpb_pgcount = HWRPB_PAGES; 687 688 689 printf("Console Callback at 0x%x, fixup at 0x%x \n", 690 rpb_crb->rpb_va_disp, 691 rpb_crb->rpb_va_fixup ); 692 693 rpb_mdt = (struct _xxm_rpb_mdt *) (((ul)rpb_crb) + sizeof(struct rpb_crb)); 694 rpb->rpb_mdt_off = (ul)rpb_mdt - (ul)rpb; 695 bcopy((char *)&xxm_rpb_mdt, (char *)rpb_mdt, sizeof(struct _xxm_rpb_mdt)); 696 697 698 cl = 0; 699#ifdef undef 700 /* Until Digital Unix can handle it, account all pages below the kernel 701 * as "console" memory. */ 702 rpb_mdt->rpb_cluster[cl].rpb_pfncount = cons_pages; 703#endif 704 rpb_mdt->rpb_cluster[cl].rpb_pfncount = kern_first_page; 705 cl++; 706 707 rpb_mdt->rpb_cluster[cl].rpb_pfn = kern_first_page; 708 rpb_mdt->rpb_cluster[cl].rpb_pfncount = mem_pages - kern_first_page; 709 rpb_mdt->rpb_cluster[cl].rpb_pfntested=rpb_mdt->rpb_cluster[cl].rpb_pfncount; 710 rpb_mdt->rpb_cluster[cl].rpb_pa = KSEG_TO_PHYS(mdt_bitmap); 711 rpb_mdt->rpb_cluster[cl].rpb_va = 0x10000000 + HWRPB_PAGES * 8192; 712 cl++; 713 714#ifdef undef 715 /* The stupid Unix kernel needs to have all mdt clusters in ascending 716 * order, and the last cluster is used to compute the top of memory. 717 * It can't make use of memory between the console and the kernel. 718 */ 719 rpb_mdt->rpb_cluster[cl].rpb_pfn = cons_pages; 720 rpb_mdt->rpb_cluster[cl].rpb_pfncount = kern_first_page - cons_pages; 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#endif 726 727 rpb_mdt->rpb_numcl = cl; 728 729 for (i = 0; i < cl; i++) 730 printf("Memory cluster %d [%d - %d]\n", i, rpb_mdt->rpb_cluster[i].rpb_pfn, rpb_mdt->rpb_cluster[i].rpb_pfncount); 731 732 733 734 /* Checksum the rpb for good luck */ 735 sum = 0; 736 lp1 = (long *)&rpb_mdt->rpb_impaddr; 737 lp2 = (long *)&rpb_mdt->rpb_cluster[cl]; 738 while (lp1 < lp2) sum += *lp1++; 739 rpb_mdt->rpb_checksum = sum; 740 741 /* XXX should checksum the cluster descriptors */ 742 743 bzero((char *)mdt_bitmap, MDT_BITMAP_PAGES * 8192); 744 for (i = 0; i < mem_pages/8; i++) ((unsigned char *)mdt_bitmap)[i] = 0xff; 745 746 printf("Initalizing mdt_bitmap addr 0x%x mem_pages %x \n", 747 (long)mdt_bitmap,(long)mem_pages); 748 749 xxm_rpb.rpb_config_off = 0; 750 xxm_rpb.rpb_fru_off = 0; 751 752 rpb_dsr = (struct rpb_dsr *) (((ul)rpb_mdt) + sizeof(struct _xxm_rpb_mdt)); 753 rpb->rpb_dsr_off = ((ul)rpb_dsr) - (ul)rpb; 754 bzero((char *)rpb_dsr, sizeof(struct rpb_dsr)); 755 rpb_dsr->rpb_smm = 1578; /* Official XXM SMM number as per SRM */ 756 rpb_dsr->rpb_smm = 1089; /* Official Alcor SMM number as per SRM */ 757 758 rpb_lurt = (int *) ROUNDUP8(((ul)rpb_dsr) + sizeof(struct rpb_dsr)); 759 rpb_dsr->rpb_lurt_off = ((ul) rpb_lurt) - (ul) rpb_dsr; 760 bcopy((char *)xxm_lurt, (char *)rpb_lurt, sizeof(xxm_lurt)); 761 762 rpb_name = (char *) ROUNDUP8(((ul)rpb_lurt) + sizeof(xxm_lurt)); 763 rpb_dsr->rpb_sysname_off = ((ul) rpb_name) - (ul) rpb_dsr; 764#define THENAME " SimOS ALPHA/EV5" 765 sum = sizeof(THENAME); 766 bcopy(THENAME, rpb_name, sum); 767 *(ul *)rpb_name = sizeof(THENAME); /* put in length field */ 768 769 /* calculate size of rpb */ 770 rpb->rpb_size = ((ul) &rpb_name[sum]) - (ul)rpb; 771 772 if (rpb->rpb_size > 8192*HWRPB_PAGES) { 773 panic("HWRPB_PAGES=%d too small for HWRPB !!! \n"); 774 } 775 776 777 { 778 ul *ptr = (ul*)((char*)rpb_dsr + sizeof(struct rpb_dsr )); 779 rpb_crb->rpb_pa_disp = KSEG_TO_PHYS(ptr); 780 rpb_crb->rpb_va_disp = 0x10000000 + ((ul)ptr&(0x2000*HWRPB_PAGES-1)); 781 printf("ConsoleDispatch at virt %x phys %x val %x\n", 782 rpb_crb->rpb_va_disp, 783 rpb_crb->rpb_pa_disp, 784 consoleCallback); 785 *ptr++ = 0; 786 *ptr++ = (ul) consoleCallback; 787 rpb_crb->rpb_pa_fixup = KSEG_TO_PHYS(ptr); 788 rpb_crb->rpb_va_fixup = 0x10000000 + ((ul)ptr& (0x2000*HWRPB_PAGES-1)); 789 *ptr++ = 0; 790 *ptr++ = (ul) consoleFixup; 791 } 792 793 794 /* Checksum the rpb for good luck */ 795 sum = 0; 796 lp1 = (long *)rpb; 797 lp2 = &rpb->rpb_checksum; 798 while (lp1 < lp2) 799 sum += *lp1++; 800 *lp2 = sum; 801 802 803 /* 804 * MP bootstrap 805 */ 806 807 { 808 int i; 809 for (i=1;i<simosConf.numCPUs;i++) { 810 volatile AlphaAccess *k1Conf = (volatile AlphaAccess *) 811 (__MAGIC_ZONE(0, 0, MAGIC_ZONE_EV5_ALIAS)); 812 SpinLock(&theLock); 813 printf("Bootstraping CPU %d with sp=0x%x \n", 814 i,bootStrapImpure[i]); 815 SpinUnlock(&theLock); 816 k1Conf->bootStrapImpure = bootStrapImpure[i]; 817 k1Conf->bootStrapCPU = i; 818 } 819 } 820 821 /* 822 * Make sure that we are not stepping on the kernel 823 */ 824 if ((ul)unix_boot_mem >= (ul)simosConf.kernStart) { 825 panic("CONSOLE: too much memory. Smashing kernel \n"); 826 } else { 827 SpinLock(&theLock); 828 printf("unix_boot_mem ends at %x \n",unix_boot_mem); 829 SpinUnlock(&theLock); 830 } 831 832 833#ifdef undef 834#define CSERVE_K_JTOKERN 0x18 835 cServe(bootadr, (ul) rpb_percpu, CSERVE_K_JTOKERN, free_pfn); 836#endif 837 838 if (go) JToKern(bootadr, rpb_percpu, free_pfn, kargc, kargv, NULL); 839} 840 841 842#if 0 843aoutfixup(char *p) 844{ 845 int i; 846 unsigned long rem, len, off, dst; 847 848 849 struct new_aouthdr *ao = (struct new_aouthdr *) &p[NEW_FILHSZ]; 850#if 0 851 struct scnhdr *s = (struct scnhdr *) &p[FILHSZ + AOUTHSZ]; 852 struct scnhdr *t, *d, *b; 853 printf("aoutfixup: %d sections \n",fh->f_nscns); 854#endif 855 856 857 aout_text_start = ((ul)ao->text_start_hi<<32) + ao->text_start; 858 aout_data_addr = ((ul)ao->data_start_hi<<32) + ao->data_start; 859 aout_bss_addr = ((ul)ao->bss_start_hi<<32) + ao->bss_start; 860 aout_bss_size = ((ul)ao->bsize_hi<<32) + ao->bsize; 861 aout_entry = ((ul)ao->entry_hi<<32) + ao->entry; 862 863 printf("_text 0x%16x %8d @ %08d\n", aout_text_start, ao->tsize,0 /* t->s_scnptr*/); 864 printf("_data 0x%16x %8d @ %08d\n", aout_data_addr, ao->dsize,0/* d->s_scnptr*/); 865 printf("_bss 0x%16x %8d\n", aout_bss_addr, ao->bsize); 866 printf("entry 0x%16x\n", aout_entry); 867#if 0 868 for (i = 0; i < fh->f_nscns; i++) { 869 printf("section %d %s \n",i,s[i].s_name); 870 if (!strcmp(s[i].s_name, ".text")) t = &s[i]; 871 else if (!strcmp(s[i].s_name, ".data")) d = &s[i]; 872 else if (!strcmp(s[i].s_name, ".bss")) b = &s[i]; 873 } 874 bcopy(&p[t->s_scnptr], (char *)ao->text_start, ao->tsize); 875 bcopy(&p[d->s_scnptr], (char *)ao->data_start, ao->dsize); 876#endif 877} 878#endif 879 880extern ui palJToKern[]; 881 882JToKern(bootadr, rpb_percpu, free_pfn, k_argc, k_argv, envp) 883char * bootadr; 884ul rpb_percpu; 885ul free_pfn; 886ul k_argc; 887char **k_argv; 888char **envp; 889{ 890 struct _kernel_params *kernel_params = (struct _kernel_params *) KSEG; 891 int i; 892 893 printf("k_argc = %d ", k_argc); 894 for (i = 0; i < k_argc; i++) { 895 printf("'%s' ", k_argv[i]); 896 } 897 printf("\n"); 898 899/* rpb_percpu |= 0xfffffc0000000000;*/ 900 kernel_params->bootadr = bootadr; 901 kernel_params->rpb_percpu = KSEG_TO_PHYS(rpb_percpu); 902 kernel_params->free_pfn = free_pfn; 903 kernel_params->argc = k_argc; 904 kernel_params->argv = (ul)k_argv; 905 kernel_params->envp = (ul)envp; 906 printf("jumping to kernel at 0x%x, (PCBB 0x%x pfn %d)\n", bootadr, rpb_percpu, free_pfn); 907 jToPal(KSEG_TO_PHYS((ul)palJToKern)); 908 printf("returned from jToPal. Looping\n"); 909 while(1) continue; 910} 911 912 913void jToPal(ul bootadr) 914{ 915 cServe(bootadr, 0, CSERVE_K_JTOPAL); 916 917/* 918 * Make sure that floating point is enabled incase 919 * it was disabled by the user program. 920 */ 921 wrfen(1); 922} 923 924 925int strcpy(char *dst, char *src) 926{ 927 int i=0; 928 while(*src) { 929 *dst++ = *src++; 930 i++; 931 } 932 return i; 933} 934 935 936 937 938/* ***************************************** 939 * Console I/O 940 * ******************************************/ 941 942int numOpenDevices = 11; 943struct { 944 char name[128]; 945} deviceState[32]; 946 947#define BOOTDEVICE_NAME "SCSI 1 0 0 1 100" 948 949void DeviceOperation(long op,long channel, long count, long address, long block) 950{ 951 AlphaAccess *k1Conf = (AlphaAccess *) 952 (__MAGIC_ZONE(0, 0, MAGIC_ZONE_EV5_ALIAS)); 953 954 long pAddr; 955 956#if 0 957 printf("Console::DeviceRead count=0x%x address=0x%x block=0x%x\n", 958 count,address,block); 959#endif 960 961 if (strcmp(deviceState[channel].name, BOOTDEVICE_NAME )) { 962 panic("DeviceRead: only implemented for root disk \n"); 963 } 964 pAddr = KSEG_TO_PHYS(address); 965 if (pAddr + count > simosConf.mem_size) { 966 panic("DeviceRead: request out of range \n"); 967 } 968 969 k1Conf->diskCount = count; 970 k1Conf->diskPAddr = pAddr; 971 k1Conf->diskBlock = block; 972 k1Conf->diskOperation = op; /* launch */ 973} 974 975 976 977/* ************************************************************************* 978 * SimoS Console callbacks 979 * **************************************************/ 980 981/* AXP manual 2-31 */ 982#define CONSCB_GETC 0x1 983#define CONSCB_PUTS 0x2 984#define CONSCB_RESET_TERM 0x3 985#define CONSCB_SET_TERM_INT 0x4 986#define CONSCB_SET_TERM_CTL 0x5 987#define CONSCB_PROCESS_KEY 0x6 988 989#define CONSCB_OPEN 0x10 990#define CONSCB_CLOSE 0x11 991#define CONSCB_READ 0x13 992 993#define CONSCB_GETENV 0x22 994 995/* AXP manual 2-26 */ 996 997#define ENV_BOOTED_DEV 0x4 998#define ENV_BOOTED_OSFLAGS 0x8 999 1000long CallBackDispatcher(long a0, long a1, long a2, long a3, long a4) 1001{ 1002 int i; 1003 switch (a0) { 1004 case CONSCB_PUTS: 1005 for(i=0;i<a3;i++) { 1006 PutChar(*(char *)a2+i); 1007 } 1008 return a3; 1009 case CONSCB_GETENV: 1010 switch (a1) { 1011 case ENV_BOOTED_DEV: 1012 i = strcpy((char*)a2,BOOTDEVICE_NAME); 1013 break; 1014 case ENV_BOOTED_OSFLAGS: 1015 /* 1016 * 'c':ignores the sysconfigtab 1017 * 1018 * i= strcpy((char*)a2,"c"); 1019 */ 1020 i = strcpy((char*)a2,""); 1021 break; 1022 default: 1023 i = strcpy((char*)a2,""); 1024 printf ("GETENV unsupported option %d\n", a1); 1025 break; 1026 } 1027 if (i > a3) { 1028 panic("CONSCB_GETENV overwrote buffer \n"); 1029 } 1030 return i; 1031 case CONSCB_OPEN: 1032 bcopy((char*)a1,deviceState[numOpenDevices].name,a2); 1033 deviceState[numOpenDevices].name[a2] = '\0'; 1034 printf("CONSOLE OPEN : %s --> success \n", 1035 deviceState[numOpenDevices].name); 1036 return numOpenDevices++; 1037 1038 case CONSCB_READ: 1039 DeviceOperation(a0,a1,a2,a3,a4); 1040 break; 1041 case CONSCB_CLOSE: 1042 break; 1043 default: 1044 panic("cher (%x,%x,%x,%x) \n", 1045 a0,a1,a2,a3); 1046 } 1047 return 0; 1048} 1049 1050long CallBackFixup(int a0, int a1, int a2) 1051{ 1052 printf("CallbackFixup %x %x \n",a0,a1); 1053 1054#if 0 1055 if (first[FIRST(a1)]==0) { 1056 first[FIRST(a1)] = KPTE(PFN(reservedFixup)); 1057 } else { 1058 panic("CallBakcfixup\n"); 1059 } 1060 second[SECOND(a1)] = KPTE(PFN(third_rpb)); /* Region 0 */ 1061 printf("Fixup: FISRT(a1)=0x%x SECOND(a1)=0x%x THIRD(a1)=0x%x\n", 1062 FIRST(a1),SECOND(a1),THIRD(a1)); 1063 1064#endif 1065 return 0; 1066} 1067 1068 1069 1070 1071 1072void SlaveCmd(int cpu, struct rpb_percpu *my_rpb) 1073{ 1074/* extern void palJToSlave[]; */ 1075 extern unsigned int palJToSlave[]; 1076 1077 1078 my_rpb->rpb_state |= STATE_BIP; 1079 my_rpb->rpb_state &= ~STATE_RC; 1080 1081 SpinLock(&theLock); 1082 printf("SlaveCmd: restart %x %x vptb %x my_rpb %x my_rpb_phys %x\n", 1083 rpb->rpb_restart, 1084 rpb->rpb_restart_pv, 1085 rpb->rpb_vptb, my_rpb, 1086 KSEG_TO_PHYS(my_rpb)); 1087 SpinUnlock(&theLock); 1088 1089 cServe(KSEG_TO_PHYS((ul)palJToSlave), 1090 (ul)rpb->rpb_restart, 1091 CSERVE_K_JTOPAL, 1092 rpb->rpb_restart_pv, 1093 rpb->rpb_vptb, 1094 KSEG_TO_PHYS(my_rpb)); 1095} 1096 1097void SlaveLoop( int cpu) 1098{ 1099 int size = ROUNDUP128(sizeof(struct rpb_percpu)); 1100 struct rpb_percpu *my_rpb = (struct rpb_percpu*) 1101 ((ul)rpb_percpu + size*cpu); 1102 1103 1104 SpinLock(&theLock); 1105 if (cpu==0) { 1106 panic("CPU�0 entering slaveLoop. Reenetering the console. HOSED \n"); 1107 } else { 1108 printf("Entering slaveloop for cpu %d my_rpb=%x \n",cpu,my_rpb); 1109 } 1110 SpinUnlock(&theLock); 1111 while(1) { 1112 int i; 1113 for (i=0; i < 1000000 ; i++) { 1114 if (my_rpb->rpb_iccb.iccb_rxlen) { 1115 SpinLock(&theLock); 1116 printf("Slave CPU %d console command %s", 1117 cpu,my_rpb->rpb_iccb.iccb_rxbuf); 1118 SpinUnlock(&theLock); 1119 SlaveCmd(cpu,my_rpb); 1120 panic("SlaveCmd returned \n"); 1121 } 1122 } 1123 printf("*"); 1124 } 1125} 1126 1127