console.c revision 7999:9d6c5bc4e1f9
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 11typedef unsigned long long uint64_t; 12typedef unsigned long long uint64; 13typedef unsigned int uint32_t; 14typedef unsigned int uint32; 15 16#define CONSOLE 17#include "alpha_access.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#define CONS_INT_TX 0x01 /* interrupt enable / state bits */ 30#define CONS_INT_RX 0x02 31 32#define KSEG 0xfffffc0000000000 33#define K1BASE 0xfffffc8000000000 34#define KSEG_TO_PHYS(x)(((ul)x) & ~KSEG) 35 36#define ALPHA_ACCESS_BASE 0xfffffc8000a00000 37 38 39#define PHYS_TO_K1(_x) (K1BASE|(_x)) 40 41#define AOUT_LOAD_ADDR (KSEG|0xf000) 42 43#define ROUNDUP8(x) ((ul)(((ul)x)+7) & ~7) 44#define ROUNDUP128(x) ((ul)(((ul)x)+127) & ~127) 45#define ROUNDUP8K(x) ((ul)(((ul)(x))+8191) & ~8191) 46 47#define FIRST(x) ((((ul)(x)) >> 33) & 0x3ff) 48#define SECOND(x) ((((ul)(x)) >> 23) & 0x3ff) 49#define THIRD(x) ((((ul)(x)) >> 13) & 0x3ff) 50#define THIRD_XXX(x) ((((ul)(x)) >> 13) & 0xfff) 51#define PFN(x) ((((ul)(x) & ~KSEG) >> 13)) 52 53/* Kernel write | kernel read | valid */ 54#define KPTE(x) ((ul)((((ul)(x)) << 32) | 0x1101)) 55 56#define HWRPB_PAGES 4 57#define MDT_BITMAP_PAGES 4 58 59#define CSERVE_K_JTOKERN 0x18 60 61#define NUM_KERNEL_THIRD (4) 62 63 64static unixBoot(int go, int argc, char **argv); 65void jToPal(ul bootadr); 66void SlaveLoop(int cpu); 67 68 69struct AlphaAccess simosConf; 70 71/* ************************************************************** 72 * Console callbacks use VMS calling conventions 73 * read AXP manual, 2-64. 74 * ***************************************************************/ 75typedef struct OpenVMSFunc { 76 long dummy; 77 long func; 78}OpenVMSFunc; 79 80OpenVMSFunc callbackFunc, fixupFunc; 81 82 83 84 85ul theLock; 86 87 88extern void SpinLock(ul *lock); 89#define SpinUnlock(_x) *(_x) = 0; 90 91struct _kernel_params { 92 char *bootadr; 93 ul rpb_percpu; 94 ul free_pfn; 95 ul argc; 96 ul argv; 97 ul envp; /* NULL */ 98}; 99 100 101extern consoleCallback[]; 102extern consoleFixup[]; 103long CallBackDispatcher(); 104long CallBackFixup(); 105 106/* 107 * simos console output 108 */ 109 110void InitConsole(void) 111{ 112#if 0 113 CDR->intr_status =(DevRegister)(DEV_CNSLE_RX_INTR |DEV_CNSLE_TX_INTR); 114#endif 115} 116 117char GetChar() 118{ 119 struct AlphaAccess *k1Conf = (struct AlphaAccess *)(ALPHA_ACCESS_BASE); 120 return k1Conf->inputChar; 121} 122 123void PutChar(char c) 124{ 125#if 0 126 CDR->data = c; 127#endif 128#if 0 129 *(int*) PHYS_TO_K1(SLOT_D_COM1<<5) = c; 130#endif 131 struct AlphaAccess *k1Conf = (struct AlphaAccess *)(ALPHA_ACCESS_BASE); 132 k1Conf->outputChar = c; 133 134} 135 136 137int 138passArgs(int argc) 139{ return 0; } 140 141int 142main(int argc, char **argv) 143{ 144 int x,i; 145 struct AlphaAccess *k1Conf = (struct AlphaAccess *)(ALPHA_ACCESS_BASE); 146 ui *k1ptr,*ksegptr; 147 148 149 InitConsole(); 150 printf("SimOS console \n"); 151 /* 152 * get configuration from backdoor 153 */ 154 simosConf.last_offset = k1Conf->last_offset; 155 printf(" Got simosConfiguration %d \n",simosConf.last_offset); 156 157 for (i=1;i<=simosConf.last_offset/4;i++) { 158 ui *k1ptr = (ui*)k1Conf + i; 159 ui *ksegptr = (ui*)(&simosConf.last_offset)+i; 160 *ksegptr = *k1ptr; 161 162 } 163 164 if (simosConf.version != ALPHA_ACCESS_VERSION) { 165 panic("Console version mismatch. Console expects %d. SimOS has %d \n", 166 ALPHA_ACCESS_VERSION,simosConf.version); 167 } 168 169 170 /* 171 * setup arguments to kernel 172 */ 173 unixBoot(1,argc,argv); 174 175 x = *(volatile int *)(K1BASE-4); 176 while(1) continue; 177 return x; 178} 179 180/* 181 * BOOTING 182 */ 183struct rpb xxm_rpb = { 184 NULL, /* 000: physical self-reference */ 185 ((long)'H') | (((long)'W') << 8) | (((long)'R') << 16) | 186 ((long)'P' << 24) | (((long)'B') << 32), /* 008: contains string "HWRPB" */ 187 6, /* 010: HWRPB version number */ 188 /* the byte count is wrong, but who needs it? - lance */ 189 0, /* 018: bytes in RPB perCPU CTB CRB MEDSC */ 190 0, /* 020: primary cpu id */ 191 8192, /* 028: page size in bytes */ 192 43, /* 030: number of phys addr bits */ 193 127, /* 038: max valid ASN */ 194 {'0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '1'}, /* 040: system serial num: 10 ascii chars */ 195#ifdef undef 196/* To be legitimate, the following system type and variation are correct for the XXM. 197 But there are too many #ifdefs etc to deal with in Unix, so we tell the kernel 198 that we're an Avanti, which is similar enough. 199 */ 200 31, /* 050: system type - XXM is now in the Alpha SRM */ 201 (1 << 10) | (2<<1),/* 058: system variation - XXM w/EV5 & embeded console */ 202#endif 203#if 0 204 0x12, /* 050: system type - masquarade as some random 21064 */ 205#endif 206 0, /* masquerade a Tsunami RGD */ 207 (1<<10), /* 058: system variation */ 208 'c'|('o'<<8)|('o'<<16)|('l'<< 24), /* 060: system revision */ 209 1024*4096, /* 068: scaled interval clock intr freq OVERRIDEN*/ 210 0, /* 070: cycle counter frequency */ 211 0x200000000, /* 078: virtual page table base */ 212 0, /* 080: reserved */ 213 0, /* 088: offset to translation buffer hint */ 214 1, /* 090: number of processor slots OVERRIDDEN*/ 215 sizeof(struct rpb_percpu), /* 098: per-cpu slot size. OVERRIDDEN */ 216 0, /* 0A0: offset to per_cpu slots */ 217 1, /* 0A8: number of CTBs */ 218#ifdef bugnion_gone 219 sizeof(struct rpb_ctb), /* 0B0: bytes in largest CTB */ 220#else 221 sizeof(struct ctb_tt), 222#endif 223 0, /* 0B8: offset to CTB (cons term block) */ 224 0, /* 0C0: offset to CRB (cons routine block) */ 225 0, /* 0C8: offset to memory descriptor table */ 226 0, /* 0D0: offset to config data block */ 227 0, /* 0D8: offset to FRU table */ 228 0, /* 0E0: virt addr of save term routine */ 229 0, /* 0E8: proc value for save term routine */ 230 0, /* 0F0: virt addr of restore term routine */ 231 0, /* 0F8: proc value for restore term routine */ 232 0, /* 100: virt addr of CPU restart routine */ 233 0, /* 108: proc value for CPU restart routine */ 234 0, /* 110: used to determine presence of kdebug */ 235 0, /* 118: reserved for hardware */ 236/* the checksum is wrong, but who needs it? - lance */ 237 0, /* 120: checksum of prior entries in rpb */ 238 0, /* 128: receive ready bitmask */ 239 0, /* 130: transmit ready bitmask */ 240 0, /* 138: Dynamic System Recog. offset */ 241}; 242 243ul xxm_tbb[] = { 0x1e1e1e1e1e1e1e1e, 0x1e1e1e1e1e1e1e1e, 0x1e1e1e1e1e1e1e1e, 0x1e1e1e1e1e1e1e1e, 244 0x1e1e1e1e1e1e1e1e, 0x1e1e1e1e1e1e1e1e, 0x1e1e1e1e1e1e1e1e, 0x1e1e1e1e1e1e1e1e}; 245 246struct rpb_percpu xxm_rpb_percpu = { 247 {0,0,0,0,0,0,0,{0,0},{0,0,0,0,0,0,0,0}}, /* 000: boot/restart HWPCB */ 248 (STATE_PA | STATE_PP | STATE_CV | STATE_PV | STATE_PMV | STATE_PL), /* 080: per-cpu state bits */ 249 0xc000, /* 088: palcode memory length */ 250 0x2000, /* 090: palcode scratch length */ 251 0x4000, /* 098: phys addr of palcode mem space */ 252 0x2000, /* 0A0: phys addr of palcode scratch space */ 253 (2 << 16) | (5 << 8) | 1, /* 0A8: PALcode rev required */ 254 5 | (2L << 32), /* 0B0: processor type */ 255 7, /* 0B8: processor variation */ 256 'D'|('a'<<8)|('v'<<16)|('e'<<24), /* 0C0: processor revision */ 257 {'D','a','v','e','C','o','n','r','o','y',0,0,0,0,0,0}, /* 0C8: proc serial num: 10 ascii chars */ 258 0, /* 0D8: phys addr of logout area */ 259 0, /* 0E0: length in bytes of logout area */ 260 0, /* 0E8: halt pcb base */ 261 0, /* 0F0: halt pc */ 262 0, /* 0F8: halt ps */ 263 0, /* 100: halt arg list (R25) */ 264 0, /* 108: halt return address (R26) */ 265 0, /* 110: halt procedure value (R27) */ 266 0, /* 118: reason for halt */ 267 0, /* 120: for software */ 268 {0}, /* 128: inter-console communications buffer */ 269 {1,0,5,0,0,0,0,0,0,0,0,0,0,0,0,0}, /* 1D0: PALcode revs available */ 270 0 /* 250: reserved for arch use */ 271/* the dump stack grows from the end of the rpb page not to reach here */ 272}; 273 274struct _xxm_rpb_mdt { 275 long rpb_checksum; /* 000: checksum of entire mem desc table */ 276 long rpb_impaddr; /* 008: PA of implementation dep info */ 277 long rpb_numcl; /* 010: number of clusters */ 278 struct rpb_cluster rpb_cluster[3]; /* first instance of a cluster */ 279}; 280 281struct _xxm_rpb_mdt xxm_rpb_mdt = { 282 0, /* 000: checksum of entire mem desc table */ 283 0, /* 008: PA of implementation dep info */ 284 0, /* 010: number of clusters */ 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 1 /* 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 { 0, /* 000: starting PFN of this cluster */ 302 0, /* 008: count of PFNs in this cluster */ 303 0, /* 010: count of tested PFNs in cluster */ 304 0, /* 018: va of bitmap */ 305 0, /* 020: pa of bitmap */ 306 0, /* 028: checksum of bitmap */ 307 0 /* 030: usage of cluster */ 308 }} 309}; 310 311/* constants for slotinfo bus_type subfield */ 312#define SLOTINFO_TC 0 313#define SLOTINFO_ISA 1 314#define SLOTINFO_EISA 2 315#define SLOTINFO_PCI 3 316 317struct rpb_ctb xxm_rpb_ctb = { 318 CONS_DZ, /* 000: console type */ 319 0, /* 008: console unit */ 320 0, /* 010: reserved */ 321 0 /* 018: byte length of device dep portion */ 322}; 323 324/* we don't do any fixup (aka relocate the console) - we hope */ 325struct rpb_crb xxm_rpb_crb = { 326 0, /* va of call-back dispatch rtn */ 327 0, /* pa of call-back dispatch rtn */ 328 0, /* va of call-back fixup rtn */ 329 0, /* pa of call-back fixup rtn */ 330 0, /* number of entries in phys/virt map */ 331 0 /* Number of pages to be mapped */ 332}; 333 334struct _rpb_name { 335 unsigned long length; 336 char name[16]; 337}; 338 339extern struct _rpb_name xxm_name; 340 341struct rpb_dsr xxm_rpb_dsr = { 342 0, 343 0, 344 0, 345}; 346 347struct _rpb_name xxm_name = { 348 16, 349 {'D','E','C',' ','S','R','C',' ','X','X','M',' ','D','G','C',0}, 350}; 351 352/* XXM has one LURT entry - 1050 is for workstations, 1100 is servers (and is needed for CXX) */ 353long xxm_lurt[10] = { 9, 12, -1, -1, -1, -1, -1, -1, 1100, 1100 }; 354 355ul unix_boot_mem; 356unsigned long bootadr; 357#if 0 358unsigned long aout_bss_addr, aout_bss_size, aout_entry, aout_text_start, aout_data_addr; 359#endif 360char **kargv; 361int kargc; 362ul free_pfn; 363struct rpb_percpu *rpb_percpu; 364 365 366#define MAX_CPUS 32 367 368ul bootStrapImpure[MAX_CPUS]; 369 370 371char *unix_boot_alloc(int pages) 372{ 373 char *ret = (char *) unix_boot_mem; 374 unix_boot_mem += (pages * 8192); 375 return ret; 376} 377 378ul *first = 0; 379ul *third_rpb = 0; 380ul *reservedFixup = 0; 381 382int strcpy(char *dst, char *src); 383 384struct rpb *rpb; 385 386unixBoot(int go, int argc, char **argv) 387{ 388 ul *second, *third_kernel, ptr, *tbb, size, *percpu_logout; 389 unsigned char *mdt_bitmap; 390 long *lp1, *lp2, sum; 391 int i, cl; 392 int kern_first_page; 393 int mem_size = simosConf.mem_size; 394 395 int mem_pages = mem_size / 8192, cons_pages; 396 ul kernel_bytes, ksp, kernel_end, *unix_kernel_stack, bss, ksp_bottom, ksp_top; 397 struct rpb_ctb *rpb_ctb; 398 struct ctb_tt *ctb_tt; 399 struct rpb_dsr *rpb_dsr; 400 struct rpb_crb *rpb_crb; 401 struct _xxm_rpb_mdt *rpb_mdt; 402 int *rpb_lurt; 403 char *rpb_name; 404 ul nextPtr; 405 406 printf( "memsize %x pages %x \n",mem_size,mem_pages); 407 408 409 410#ifdef notnow 411 if (unixArgs()) return; 412#endif 413 414 /* Allocate: 415 * two pages for the HWRPB 416 * five page table pages: 417 * 1: First level page table 418 * 1: Second level page table 419 * 1: Third level page table for HWRPB 420 * 2: Third level page table for kernel (for up to 16MB) 421 * set up the page tables 422 * load the kernel at the physical address 0x230000 423 * build the HWRPB 424 * set up memory descriptor table to give up the 425 * physical memory between the end of the page 426 * tables and the start of the kernel 427 * enable kseg addressing 428 * jump to the kernel 429 */ 430 431 unix_boot_mem = ROUNDUP8K(&_end); 432 433 printf("First free page after ROM 0x%x\n", unix_boot_mem); 434 435 rpb = (struct rpb *) unix_boot_alloc( HWRPB_PAGES); 436 437 mdt_bitmap = (unsigned char *) unix_boot_alloc(MDT_BITMAP_PAGES); 438 first = (ul *)unix_boot_alloc(1); 439 second = (ul *)unix_boot_alloc(1); 440 third_rpb = (ul *)unix_boot_alloc(1); 441 reservedFixup = (ul*) unix_boot_alloc(1); 442 third_kernel = (ul *)unix_boot_alloc(NUM_KERNEL_THIRD); 443 percpu_logout = (ul*)unix_boot_alloc(1); 444 445 446 cons_pages = KSEG_TO_PHYS(unix_boot_mem) / 8192; 447 448 /* Set up the page tables */ 449 bzero((char *)first, 8192); 450 bzero((char *)second, 8192); 451 bzero((char *)reservedFixup,8192); 452 bzero((char *)third_rpb, HWRPB_PAGES * 8192); 453 bzero((char *)third_kernel, 8192 * NUM_KERNEL_THIRD); 454 455 first[0] = KPTE(PFN(second)); 456 first[1] = KPTE(PFN(first)); /* Region 3 */ 457 458 second[SECOND(0x10000000)] = KPTE(PFN(third_rpb)); /* Region 0 */ 459 for (i=0;i<NUM_KERNEL_THIRD;i++) { 460 second[SECOND(0x20000000)+i] = KPTE(PFN(third_kernel)+i); /* Region 1 */ 461 } 462 second[SECOND(0x40000000)] = KPTE(PFN(second)); /* Region 2 */ 463 464 465 { 466 467 /* For some obscure reason, Dec Unix's database read 468 * from /etc/sysconfigtab is written to this fixed 469 * mapped memory location. Go figure, since it is 470 * not initialized by the console. Maybe it is 471 * to look at the database from the console 472 * after a boot/crash. 473 * 474 * Black magic to estimate the max size. SEGVs on overflow 475 * bugnion 476 */ 477 478#define DATABASE_BASE 0x20000000 479#ifdef not_not 480#define DATABASE_END 0x20230000 /* don't need all that */ 481#endif 482 483#define DATABASE_END 0x20020000 484 485 int i; 486 ul *dbPage = (ul*)unix_boot_alloc(1); 487 second[SECOND(DATABASE_BASE)] = KPTE(PFN(dbPage)); 488 for (i=DATABASE_BASE; i <DATABASE_END ; i+= 8096) { 489 ul *db = (ul*)unix_boot_alloc(1); 490 dbPage[THIRD(i)] = KPTE(PFN(db)); 491 } 492 } 493 494 /* Region 0 */ 495 /* Map the HWRPB */ 496 for (i = 0; i < HWRPB_PAGES; i++) third_rpb[i] = KPTE(PFN(rpb) + i); 497 498 /* Map the MDT bitmap table */ 499 for (i=0;i<MDT_BITMAP_PAGES;i++) { 500 third_rpb[HWRPB_PAGES+i] = KPTE(PFN(mdt_bitmap)+i); 501 } 502 503 /* Protect the PAL pages */ 504 for (i = 1; i < PFN(first); i++) third_rpb[HWRPB_PAGES + MDT_BITMAP_PAGES + i] = KPTE(i); 505 506 /* Set up third_kernel after it's loaded, when we know where it is */ 507 508#ifdef original__xxm 509 if (unixLoadKernel(AOUT_LOAD_ADDR, argv[1]) == -1) return; 510 aoutfixup(AOUT_LOAD_ADDR); 511#else 512 /* aoutfixup(simosConf.kernelFileHdr); */ 513#endif 514#if 0 515 bss = aout_bss_addr; 516 517 kern_first_page = (KSEG_TO_PHYS(aout_text_start) / 8192); 518 kernel_end = ksp_top = ROUNDUP8K(aout_bss_addr + aout_bss_size); 519 bootadr = aout_entry; 520#endif 521 522 kern_first_page = (KSEG_TO_PHYS(simosConf.kernStart)/8192); 523 kernel_end = ksp_top = ROUNDUP8K(simosConf.kernEnd); 524 bootadr = simosConf.entryPoint; 525 526 527 printf("HWRPB 0x%x l1pt 0x%x l2pt 0x%x l3pt_rpb 0x%x l3pt_kernel 0x%x l2reserv 0x%x\n", 528 rpb, first, second, third_rpb, third_kernel,reservedFixup); 529 if (kernel_end - simosConf.kernStart > (0x800000*NUM_KERNEL_THIRD)) { 530 printf("Kernel is more than 8MB 0x%x - 0x%x = 0x%x\n", 531 kernel_end, simosConf.kernStart, 532 kernel_end -simosConf.kernStart ); 533 panic("kernel too big\n"); 534 535 } 536 /* Map the kernel's pages into the third level of region 2 */ 537 538 for (ptr = simosConf.kernStart; ptr < kernel_end; ptr += 8192) { 539 540 third_kernel[THIRD_XXX(ptr)] = KPTE(PFN(ptr)); 541 } 542 /* blow 2 pages of phys mem for guards since it maintains 1-to-1 mapping */ 543 ksp = ksp_top + (3 * 8192); 544 if (ksp - simosConf.kernStart > (0x800000*NUM_KERNEL_THIRD)) { 545 printf("Kernel stack pushd us over 8MB\n"); 546 panic("ksp too big\n"); 547 } 548 if (THIRD_XXX((ul)ksp_top) > NUM_KERNEL_THIRD * 1024) { 549 panic("increase NUM_KERNEL_THIRD, and change THIRD_XXX\n"); 550 } 551 ptr = (ul) ksp_top; 552 bzero((char *)ptr, 8192 * 2); 553 third_kernel[THIRD_XXX(ptr)] = 0; /* Stack Guard Page */ 554 ptr += 8192; 555 third_kernel[THIRD_XXX(ptr)] = KPTE(PFN(ptr)); /* Kernel Stack Pages */ 556 ptr += 8192; 557 third_kernel[THIRD_XXX(ptr)] = KPTE(PFN(ptr)); 558 ptr += 8192; 559 third_kernel[THIRD_XXX(ptr)] = 0; /* Stack Guard Page */ 560 561 /* put argv into the bottom of the stack - argv starts at 1 because 562 * the command thatr got us here (i.e. "unixboot) is in argv[0]. 563 */ 564 ksp -= 8; /* Back up one longword */ 565 ksp -= argc * sizeof(char *); /* Make room for argv */ 566 kargv = (char **) ksp; 567 for (i = 1; i < argc; i++) { /* Copy arguments to stack */ 568 ksp -= ((strlen(argv[i]) + 1) + 7) & ~0x7; 569 kargv[i-1] = (char *) ksp; 570 strcpy(kargv[i-1], argv[i]); 571 } 572 kargc = i - 1; 573 kargv[kargc] = NULL; /* just to be sure; doesn't seem to be used */ 574 ksp -= sizeof(char *); /* point above last arg for no real reason */ 575 576 free_pfn = PFN(ptr); 577 578 bcopy((char *)&xxm_rpb, (char *)rpb, sizeof(struct rpb)); 579 580 rpb->rpb_selfref = (struct rpb *) KSEG_TO_PHYS(rpb); 581 rpb->rpb_string = 0x0000004250525748; 582 583 tbb = (ul *) (((char *) rpb) + ROUNDUP8(sizeof(struct rpb))); 584 rpb->rpb_trans_off = (ul)tbb - (ul)rpb; 585 bcopy((char *)xxm_tbb, (char *)tbb, sizeof(xxm_tbb)); 586 587 588 /* 589 * rpb_counter. Use to determine timeouts in OS. 590 * XXX must be patched after a checkpoint restore (I guess) 591 */ 592 593 printf("CPU Clock at %d MHz IntrClockFrequency=%d \n", simosConf.cpuClock,simosConf.intrClockFrequency); 594 rpb->rpb_counter = simosConf.cpuClock * 1000 * 1000; 595 596 /* 597 * By definition, the rpb_clock is scaled by 4096 (in hz) 598 */ 599 rpb->rpb_clock = simosConf.intrClockFrequency * 4096; 600 601 602 603 /* 604 * Per CPU Slots. Multiprocessor support. 605 */ 606 { 607 int i; 608 int size = ROUNDUP128(sizeof(struct rpb_percpu)); 609 610 printf("Booting with %d processor(s) \n",simosConf.numCPUs); 611 612 rpb->rpb_numprocs = simosConf.numCPUs; 613 rpb->rpb_slotsize = size; 614 rpb_percpu = (struct rpb_percpu *) 615 ROUNDUP128(((ul) tbb) +(sizeof(xxm_tbb))); 616 617 rpb->rpb_percpu_off = (ul)rpb_percpu - (ul)rpb; 618 619 for (i=0;i<simosConf.numCPUs;i++) { 620 struct rpb_percpu *thisCPU = (struct rpb_percpu*) 621 ((ul)rpb_percpu + size*i); 622 623 bzero((char *)thisCPU, size); 624 bcopy((char *)&xxm_rpb_percpu, 625 (char *)thisCPU, 626 sizeof(struct rpb_percpu)); 627 628 thisCPU->rpb_pcb.rpb_ksp = ksp; 629 thisCPU->rpb_pcb.rpb_ptbr = PFN(first); 630 631 thisCPU->rpb_logout = KSEG_TO_PHYS(percpu_logout); 632 thisCPU->rpb_logout_len = 8192; 633 634/* thisCPU->rpb_pcb.rpb_ptbr = PFN(second);*/ 635 636 printf("KSP: 0x%x PTBR 0x%x\n", thisCPU->rpb_pcb.rpb_ksp, thisCPU->rpb_pcb.rpb_ptbr); 637 638 if (i) { 639 bootStrapImpure[i] = (ul)unix_boot_alloc(1); 640 } 641 642 } 643 644 nextPtr = (ul)rpb_percpu + size*simosConf.numCPUs; 645 } 646 647 /* 648 * Console Terminal Block 649 */ 650 651 652 rpb_ctb = (struct rpb_ctb *) nextPtr; 653 ctb_tt = (struct ctb_tt*) rpb_ctb; 654 655 rpb->rpb_ctb_off = ((ul)rpb_ctb) - (ul)rpb; 656 rpb->rpb_ctb_size = sizeof(struct rpb_ctb); 657 658 bzero((char *)rpb_ctb, sizeof(struct ctb_tt)); 659 660#ifdef original_xxm 661 if (tga_slot == -1) 662 rpb_ctb->rpb_type = CONS_DZ; 663 else { 664 rpb_ctb->rpb_type = CONS_GRPH; 665 rpb_ctb->rpb_unit = (SLOTINFO_PCI << 16) | (0 << 8) | tga_slot; 666 } 667#else 668 rpb_ctb->rpb_type = CONS_DZ; 669#endif 670 671 rpb_ctb->rpb_length = sizeof(ctb_tt)-sizeof(rpb_ctb); 672 673 /* 674 * uart initizliation 675 */ 676 ctb_tt->ctb_csr = 0; 677 ctb_tt->ctb_tivec = 0x6c0; /* matches tlaser pal code */ 678 ctb_tt->ctb_rivec = 0x680; /* matches tlaser pal code */ 679 ctb_tt->ctb_baud = 9600; 680 ctb_tt->ctb_put_sts = 0; 681 ctb_tt->ctb_get_sts = 0; 682 683 684 rpb_crb = (struct rpb_crb *) (((ul)rpb_ctb) + sizeof(struct ctb_tt)); 685 rpb->rpb_crb_off = ((ul)rpb_crb) - (ul)rpb; 686 687 bzero((char *)rpb_crb, sizeof(struct rpb_crb)); 688 /* 689 * console callback stuff (simos) 690 */ 691 692 rpb_crb->rpb_num = 1; 693 rpb_crb->rpb_mapped_pages = HWRPB_PAGES; 694 rpb_crb->rpb_map[0].rpb_virt = 0x10000000; 695 rpb_crb->rpb_map[0].rpb_phys = ((ul)rpb) & ~0x1fff; 696 rpb_crb->rpb_map[0].rpb_pgcount = HWRPB_PAGES; 697 698 699 printf("Console Callback at 0x%x, fixup at 0x%x \n", 700 rpb_crb->rpb_va_disp, 701 rpb_crb->rpb_va_fixup ); 702 703 rpb_mdt = (struct _xxm_rpb_mdt *) (((ul)rpb_crb) + sizeof(struct rpb_crb)); 704 rpb->rpb_mdt_off = (ul)rpb_mdt - (ul)rpb; 705 bcopy((char *)&xxm_rpb_mdt, (char *)rpb_mdt, sizeof(struct _xxm_rpb_mdt)); 706 707 708 cl = 0; 709#ifdef undef 710 /* Until Digital Unix can handle it, account all pages below the kernel 711 * as "console" memory. */ 712 rpb_mdt->rpb_cluster[cl].rpb_pfncount = cons_pages; 713#endif 714 rpb_mdt->rpb_cluster[cl].rpb_pfncount = kern_first_page; 715 cl++; 716 717 rpb_mdt->rpb_cluster[cl].rpb_pfn = kern_first_page; 718 rpb_mdt->rpb_cluster[cl].rpb_pfncount = mem_pages - kern_first_page; 719 rpb_mdt->rpb_cluster[cl].rpb_pfntested=rpb_mdt->rpb_cluster[cl].rpb_pfncount; 720 rpb_mdt->rpb_cluster[cl].rpb_pa = KSEG_TO_PHYS(mdt_bitmap); 721 rpb_mdt->rpb_cluster[cl].rpb_va = 0x10000000 + HWRPB_PAGES * 8192; 722 cl++; 723 724#ifdef undef 725 /* The stupid Unix kernel needs to have all mdt clusters in ascending 726 * order, and the last cluster is used to compute the top of memory. 727 * It can't make use of memory between the console and the kernel. 728 */ 729 rpb_mdt->rpb_cluster[cl].rpb_pfn = cons_pages; 730 rpb_mdt->rpb_cluster[cl].rpb_pfncount = kern_first_page - cons_pages; 731 rpb_mdt->rpb_cluster[cl].rpb_pfntested=rpb_mdt->rpb_cluster[cl].rpb_pfncount; 732 rpb_mdt->rpb_cluster[cl].rpb_pa = KSEG_TO_PHYS(mdt_bitmap); 733 rpb_mdt->rpb_cluster[cl].rpb_va = 0x10000000 + HWRPB_PAGES * 8192; 734 cl++; 735#endif 736 737 rpb_mdt->rpb_numcl = cl; 738 739 for (i = 0; i < cl; i++) 740 printf("Memory cluster %d [%d - %d]\n", i, rpb_mdt->rpb_cluster[i].rpb_pfn, rpb_mdt->rpb_cluster[i].rpb_pfncount); 741 742 743 744 /* Checksum the rpb for good luck */ 745 sum = 0; 746 lp1 = (long *)&rpb_mdt->rpb_impaddr; 747 lp2 = (long *)&rpb_mdt->rpb_cluster[cl]; 748 while (lp1 < lp2) sum += *lp1++; 749 rpb_mdt->rpb_checksum = sum; 750 751 /* XXX should checksum the cluster descriptors */ 752 753 bzero((char *)mdt_bitmap, MDT_BITMAP_PAGES * 8192); 754 for (i = 0; i < mem_pages/8; i++) ((unsigned char *)mdt_bitmap)[i] = 0xff; 755 756 printf("Initalizing mdt_bitmap addr 0x%x mem_pages %x \n", 757 (long)mdt_bitmap,(long)mem_pages); 758 759 xxm_rpb.rpb_config_off = 0; 760 xxm_rpb.rpb_fru_off = 0; 761 762 rpb_dsr = (struct rpb_dsr *) (((ul)rpb_mdt) + sizeof(struct _xxm_rpb_mdt)); 763 rpb->rpb_dsr_off = ((ul)rpb_dsr) - (ul)rpb; 764 bzero((char *)rpb_dsr, sizeof(struct rpb_dsr)); 765 rpb_dsr->rpb_smm = 1578; /* Official XXM SMM number as per SRM */ 766 rpb_dsr->rpb_smm = 1089; /* Official Alcor SMM number as per SRM */ 767 768 rpb_lurt = (int *) ROUNDUP8(((ul)rpb_dsr) + sizeof(struct rpb_dsr)); 769 rpb_dsr->rpb_lurt_off = ((ul) rpb_lurt) - (ul) rpb_dsr; 770 bcopy((char *)xxm_lurt, (char *)rpb_lurt, sizeof(xxm_lurt)); 771 772 rpb_name = (char *) ROUNDUP8(((ul)rpb_lurt) + sizeof(xxm_lurt)); 773 rpb_dsr->rpb_sysname_off = ((ul) rpb_name) - (ul) rpb_dsr; 774#define THENAME " SimOS ALPHA/EV5" 775 sum = sizeof(THENAME); 776 bcopy(THENAME, rpb_name, sum); 777 *(ul *)rpb_name = sizeof(THENAME); /* put in length field */ 778 779 /* calculate size of rpb */ 780 rpb->rpb_size = ((ul) &rpb_name[sum]) - (ul)rpb; 781 782 if (rpb->rpb_size > 8192*HWRPB_PAGES) { 783 panic("HWRPB_PAGES=%d too small for HWRPB !!! \n"); 784 } 785 786 787 { 788 ul *ptr = (ul*)((char*)rpb_dsr + sizeof(struct rpb_dsr )); 789 rpb_crb->rpb_pa_disp = KSEG_TO_PHYS(ptr); 790#if 0 791 rpb_crb->rpb_va_disp = 0x10000000 + ((ul)ptr&(0x2000*HWRPB_PAGES-1)); 792#else 793 rpb_crb->rpb_va_disp = 0x10000000 + ((ul)ptr & 0x1fff); 794#endif 795 printf("ConsoleDispatch at virt %x phys %x val %x\n", 796 rpb_crb->rpb_va_disp, 797 rpb_crb->rpb_pa_disp, 798 consoleCallback); 799 *ptr++ = 0; 800 *ptr++ = (ul) consoleCallback; 801 rpb_crb->rpb_pa_fixup = KSEG_TO_PHYS(ptr); 802#if 0 803 rpb_crb->rpb_va_fixup = 0x10000000 + ((ul)ptr& (0x2000*HWRPB_PAGES-1)); 804#else 805 rpb_crb->rpb_va_fixup = 0x10000000 + ((ul)ptr & 0x1fff); 806#endif 807 *ptr++ = 0; 808 *ptr++ = (ul) consoleFixup; 809 } 810 811 812 /* Checksum the rpb for good luck */ 813 sum = 0; 814 lp1 = (long *)rpb; 815 lp2 = &rpb->rpb_checksum; 816 while (lp1 < lp2) 817 sum += *lp1++; 818 *lp2 = sum; 819 820 821 /* 822 * MP bootstrap 823 */ 824 825 { 826 int i; 827 for (i=1;i<simosConf.numCPUs;i++) { 828 volatile struct AlphaAccess *k1Conf = (volatile struct AlphaAccess *) 829 (ALPHA_ACCESS_BASE); 830 SpinLock(&theLock); 831 printf("Bootstraping CPU %d with sp=0x%x \n", 832 i,bootStrapImpure[i]); 833 SpinUnlock(&theLock); 834 k1Conf->bootStrapImpure = bootStrapImpure[i]; 835 k1Conf->bootStrapCPU = i; 836 } 837 } 838 839 /* 840 * Make sure that we are not stepping on the kernel 841 */ 842 if ((ul)unix_boot_mem >= (ul)simosConf.kernStart) { 843 panic("CONSOLE: too much memory. Smashing kernel \n"); 844 } else { 845 SpinLock(&theLock); 846 printf("unix_boot_mem ends at %x \n",unix_boot_mem); 847 SpinUnlock(&theLock); 848 } 849 850 851#ifdef undef 852#define CSERVE_K_JTOKERN 0x18 853 cServe(bootadr, (ul) rpb_percpu, CSERVE_K_JTOKERN, free_pfn); 854#endif 855 856 if (go) JToKern(bootadr, rpb_percpu, free_pfn, kargc, kargv, NULL); 857} 858 859 860#if 0 861aoutfixup(char *p) 862{ 863 int i; 864 unsigned long rem, len, off, dst; 865 866 867 struct new_aouthdr *ao = (struct new_aouthdr *) &p[NEW_FILHSZ]; 868#if 0 869 struct scnhdr *s = (struct scnhdr *) &p[FILHSZ + AOUTHSZ]; 870 struct scnhdr *t, *d, *b; 871 printf("aoutfixup: %d sections \n",fh->f_nscns); 872#endif 873 874 875 aout_text_start = ((ul)ao->text_start_hi<<32) + ao->text_start; 876 aout_data_addr = ((ul)ao->data_start_hi<<32) + ao->data_start; 877 aout_bss_addr = ((ul)ao->bss_start_hi<<32) + ao->bss_start; 878 aout_bss_size = ((ul)ao->bsize_hi<<32) + ao->bsize; 879 aout_entry = ((ul)ao->entry_hi<<32) + ao->entry; 880 881 printf("_text 0x%16x %8d @ %08d\n", aout_text_start, ao->tsize,0 /* t->s_scnptr*/); 882 printf("_data 0x%16x %8d @ %08d\n", aout_data_addr, ao->dsize,0/* d->s_scnptr*/); 883 printf("_bss 0x%16x %8d\n", aout_bss_addr, ao->bsize); 884 printf("entry 0x%16x\n", aout_entry); 885#if 0 886 for (i = 0; i < fh->f_nscns; i++) { 887 printf("section %d %s \n",i,s[i].s_name); 888 if (!strcmp(s[i].s_name, ".text")) t = &s[i]; 889 else if (!strcmp(s[i].s_name, ".data")) d = &s[i]; 890 else if (!strcmp(s[i].s_name, ".bss")) b = &s[i]; 891 } 892 bcopy(&p[t->s_scnptr], (char *)ao->text_start, ao->tsize); 893 bcopy(&p[d->s_scnptr], (char *)ao->data_start, ao->dsize); 894#endif 895} 896#endif 897 898extern ui palJToKern[]; 899 900JToKern(bootadr, rpb_percpu, free_pfn, k_argc, k_argv, envp) 901char * bootadr; 902ul rpb_percpu; 903ul free_pfn; 904ul k_argc; 905char **k_argv; 906char **envp; 907{ 908 struct _kernel_params *kernel_params = (struct _kernel_params *) KSEG; 909 int i; 910 911 printf("k_argc = %d ", k_argc); 912 for (i = 0; i < k_argc; i++) { 913 printf("'%s' ", k_argv[i]); 914 } 915 printf("\n"); 916 917/* rpb_percpu |= 0xfffffc0000000000;*/ 918 kernel_params->bootadr = bootadr; 919 kernel_params->rpb_percpu = KSEG_TO_PHYS(rpb_percpu); 920 kernel_params->free_pfn = free_pfn; 921 kernel_params->argc = k_argc; 922 kernel_params->argv = (ul)k_argv; 923 kernel_params->envp = (ul)envp; 924 printf("jumping to kernel at 0x%x, (PCBB 0x%x pfn %d)\n", bootadr, rpb_percpu, free_pfn); 925 jToPal(KSEG_TO_PHYS((ul)palJToKern)); 926 printf("returned from jToPal. Looping\n"); 927 while(1) continue; 928} 929 930 931void jToPal(ul bootadr) 932{ 933 cServe(bootadr, 0, CSERVE_K_JTOPAL); 934 935/* 936 * Make sure that floating point is enabled incase 937 * it was disabled by the user program. 938 */ 939 wrfen(1); 940} 941 942 943int strcpy(char *dst, char *src) 944{ 945 int i=0; 946 while(*src) { 947 *dst++ = *src++; 948 i++; 949 } 950 return i; 951} 952 953 954 955 956/* ***************************************** 957 * Console I/O 958 * ******************************************/ 959 960int numOpenDevices = 11; 961struct { 962 char name[128]; 963} deviceState[32]; 964 965#define BOOTDEVICE_NAME "SCSI 1 0 0 1 100 0" 966 967void 968DeviceOperation(long op, long channel, long count, long address, long block) 969{ 970 struct AlphaAccess *k1Conf = (struct AlphaAccess *) 971 (ALPHA_ACCESS_BASE); 972 973 long pAddr; 974 975#if 0 976 printf("Console::DeviceRead count=0x%x address=0x%x block=0x%x\n", 977 count,address,block); 978#endif 979 980 if (strcmp(deviceState[channel].name, BOOTDEVICE_NAME )) { 981 panic("DeviceRead: only implemented for root disk \n"); 982 } 983 pAddr = KSEG_TO_PHYS(address); 984 if (pAddr + count > simosConf.mem_size) { 985 panic("DeviceRead: request out of range \n"); 986 } 987 988 k1Conf->diskCount = count; 989 k1Conf->diskPAddr = pAddr; 990 k1Conf->diskBlock = block; 991 k1Conf->diskOperation = op; /* launch */ 992} 993 994 995 996/* ************************************************************************* 997 * SimoS Console callbacks 998 * **************************************************/ 999 1000/* AXP manual 2-31 */ 1001#define CONSCB_GETC 0x1 1002#define CONSCB_PUTS 0x2 1003#define CONSCB_RESET_TERM 0x3 1004#define CONSCB_SET_TERM_INT 0x4 1005#define CONSCB_SET_TERM_CTL 0x5 1006#define CONSCB_PROCESS_KEY 0x6 1007#define CONSCB_OPEN_CONSOLE 0x7 1008#define CONSCB_CLOSE_CONSOLE 0x8 1009 1010#define CONSCB_OPEN 0x10 1011#define CONSCB_CLOSE 0x11 1012#define CONSCB_READ 0x13 1013 1014#define CONSCB_GETENV 0x22 1015 1016/* AXP manual 2-26 */ 1017#define ENV_AUTO_ACTION 0X01 1018#define ENV_BOOT_DEV 0X02 1019#define ENV_BOOTDEF_DEV 0X03 1020#define ENV_BOOTED_DEV 0X04 1021#define ENV_BOOT_FILE 0X05 1022#define ENV_BOOTED_FILE 0X06 1023#define ENV_BOOT_OSFLAGS 0X07 1024#define ENV_BOOTED_OSFLAGS 0X08 1025#define ENV_BOOT_RESET 0X09 1026#define ENV_DUMP_DEV 0X0A 1027#define ENV_ENABLE_AUDIT 0X0B 1028#define ENV_LICENSE 0X0C 1029#define ENV_CHAR_SET 0X0D 1030#define ENV_LANGUAGE 0X0E 1031#define ENV_TTY_DEV 0X0F 1032#define ENV_SCSIID 0X42 1033#define ENV_SCSIFAST 0X43 1034#define ENV_COM1_BAUD 0X44 1035#define ENV_COM1_MODEM 0X45 1036#define ENV_COM1_FLOW 0X46 1037#define ENV_COM1_MISC 0X47 1038#define ENV_COM2_BAUD 0X48 1039#define ENV_COM2_MODEM 0X49 1040#define ENV_COM2_FLOW 0X4A 1041#define ENV_COM2_MISC 0X4B 1042#define ENV_PASSWORD 0X4C 1043#define ENV_SECURE 0X4D 1044#define ENV_LOGFAIL 0X4E 1045#define ENV_SRM2DEV_ID 0X4F 1046 1047#define MAX_ENVLEN 32 1048 1049char env_auto_action[MAX_ENVLEN] = "BOOT"; 1050char env_boot_dev[MAX_ENVLEN] = ""; 1051char env_bootdef_dev[MAX_ENVLEN] = ""; 1052char env_booted_dev[MAX_ENVLEN] = BOOTDEVICE_NAME; 1053char env_boot_file[MAX_ENVLEN] = ""; 1054char env_booted_file[MAX_ENVLEN] = ""; 1055char env_boot_osflags[MAX_ENVLEN] = ""; 1056char env_booted_osflags[MAX_ENVLEN] = ""; 1057char env_boot_reset[MAX_ENVLEN] = ""; 1058char env_dump_dev[MAX_ENVLEN] = ""; 1059char env_enable_audit[MAX_ENVLEN] = ""; 1060char env_license[MAX_ENVLEN] = ""; 1061char env_char_set[MAX_ENVLEN] = ""; 1062char env_language[MAX_ENVLEN] = ""; 1063char env_tty_dev[MAX_ENVLEN] = "0"; 1064char env_scsiid[MAX_ENVLEN] = ""; 1065char env_scsifast[MAX_ENVLEN] = ""; 1066char env_com1_baud[MAX_ENVLEN] = ""; 1067char env_com1_modem[MAX_ENVLEN] = ""; 1068char env_com1_flow[MAX_ENVLEN] = ""; 1069char env_com1_misc[MAX_ENVLEN] = ""; 1070char env_com2_baud[MAX_ENVLEN] = ""; 1071char env_com2_modem[MAX_ENVLEN] = ""; 1072char env_com2_flow[MAX_ENVLEN] = ""; 1073char env_com2_misc[MAX_ENVLEN] = ""; 1074char env_password[MAX_ENVLEN] = ""; 1075char env_secure[MAX_ENVLEN] = ""; 1076char env_logfail[MAX_ENVLEN] = ""; 1077char env_srm2dev_id[MAX_ENVLEN] = ""; 1078 1079#define MAX_ENV_INDEX 100 1080char *env_ptr[MAX_ENV_INDEX] = 1081{ 1082 0, /* 0x00 */ 1083 env_auto_action, /* 0x01 */ 1084 env_boot_dev, /* 0x02 */ 1085 env_bootdef_dev, /* 0x03 */ 1086 env_booted_dev, /* 0x04 */ 1087 env_boot_file, /* 0x05 */ 1088 env_booted_file, /* 0x06 */ 1089 env_boot_osflags, /* 0x07 */ 1090 env_booted_osflags, /* 0x08 */ 1091 env_boot_reset, /* 0x09 */ 1092 env_dump_dev, /* 0x0A */ 1093 env_enable_audit, /* 0x0B */ 1094 env_license, /* 0x0C */ 1095 env_char_set, /* 0x0D */ 1096 (char *)&env_language, /* 0x0E */ 1097 env_tty_dev, /* 0x0F */ 1098 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, /* 0x10 - 0x1F */ 1099 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, /* 0x20 - 0x2F */ 1100 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, /* 0x30 - 0x3F */ 1101 0, /* 0x40 */ 1102 0, /* 0x41 */ 1103 env_scsiid, /* 0x42 */ 1104 env_scsifast, /* 0x43 */ 1105 env_com1_baud, /* 0x44 */ 1106 env_com1_modem, /* 0x45 */ 1107 env_com1_flow, /* 0x46 */ 1108 env_com1_misc, /* 0x47 */ 1109 env_com2_baud, /* 0x48 */ 1110 env_com2_modem, /* 0x49 */ 1111 env_com2_flow, /* 0x4A */ 1112 env_com2_misc, /* 0x4B */ 1113 env_password, /* 0x4C */ 1114 env_secure, /* 0x4D */ 1115 env_logfail, /* 0x4E */ 1116 env_srm2dev_id, /* 0x4F */ 1117 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, /* 0x50 - 0x5F */ 1118 0, /* 0x60 */ 1119 0, /* 0x61 */ 1120 0, /* 0x62 */ 1121 0, /* 0x63 */ 1122}; 1123 1124long 1125CallBackDispatcher(long a0, long a1, long a2, long a3, long a4) 1126{ 1127 long i; 1128 switch (a0) { 1129 case CONSCB_GETC: 1130 return GetChar(); 1131 1132 case CONSCB_PUTS: 1133 for(i = 0; i < a3; i++) 1134 PutChar(*((char *)a2+i)); 1135 return a3; 1136 1137 case CONSCB_GETENV: 1138 if (a1 >= 0 && a1 < MAX_ENV_INDEX && env_ptr[a1] != 0 && *env_ptr[a1]) { 1139 i = strcpy((char*)a2, env_ptr[a1]); 1140 } else { 1141 strcpy((char*)a2, ""); 1142 i = (long)0xc000000000000000; 1143 if (a1 >= 0 && a1 < MAX_ENV_INDEX) 1144 printf ("GETENV unsupported option %d (0x%x)\n", a1, a1); 1145 else 1146 printf ("GETENV unsupported option %s\n", a1); 1147 } 1148 1149 if (i > a3) 1150 panic("CONSCB_GETENV overwrote buffer\n"); 1151 return i; 1152 1153 case CONSCB_OPEN: 1154 bcopy((char*)a1,deviceState[numOpenDevices].name,a2); 1155 deviceState[numOpenDevices].name[a2] = '\0'; 1156 printf("CONSOLE OPEN : %s --> success \n", 1157 deviceState[numOpenDevices].name); 1158 return numOpenDevices++; 1159 1160 case CONSCB_READ: 1161 DeviceOperation(a0,a1,a2,a3,a4); 1162 break; 1163 1164 case CONSCB_CLOSE: 1165 break; 1166 case CONSCB_OPEN_CONSOLE: 1167 printf("CONSOLE OPEN\n"); 1168 return 0; /* success */ 1169 break; /* not rearched */ 1170 case CONSCB_CLOSE_CONSOLE: 1171 printf("CONSOLE CLOSE\n"); 1172 return 0; /* success */ 1173 break; /* not reached */ 1174 1175 default: 1176 panic("cher (%x,%x,%x,%x)\n", a0, a1, a2, a3); 1177 } 1178 1179 return 0; 1180} 1181 1182long CallBackFixup(int a0, int a1, int a2) 1183{ 1184 long temp; 1185 /* Linux uses r8 for the current pointer (pointer to data structure 1186 contating info about currently running process). It is set when the 1187 kernel starts and is expected to remain there... Problem is that the 1188 unlike the kernel, the console does not prevent the assembler from 1189 using r8. So here is a work around. So far this has only been a problem 1190 in CallBackFixup() but any other call back functions could cause a problem 1191 at some point */ 1192 1193 /* save off the current pointer to a temp variable */ 1194 asm("bis $8, $31, %0" : "=r" (temp)); 1195 1196 /* call original code */ 1197 printf("CallbackFixup %x %x, t7=%x\n",a0,a1,temp); 1198 1199 /* restore the current pointer */ 1200 asm("bis %0, $31, $8" : : "r" (temp) : "$8"); 1201 1202#if 0 1203 if (first[FIRST(a1)]==0) { 1204 first[FIRST(a1)] = KPTE(PFN(reservedFixup)); 1205 } else { 1206 panic("CallBakcfixup\n"); 1207 } 1208 second[SECOND(a1)] = KPTE(PFN(third_rpb)); /* Region 0 */ 1209 printf("Fixup: FISRT(a1)=0x%x SECOND(a1)=0x%x THIRD(a1)=0x%x\n", 1210 FIRST(a1),SECOND(a1),THIRD(a1)); 1211 1212#endif 1213 return 0; 1214} 1215 1216 1217 1218 1219 1220void SlaveCmd(int cpu, struct rpb_percpu *my_rpb) 1221{ 1222/* extern void palJToSlave[]; */ 1223 extern unsigned int palJToSlave[]; 1224 1225 1226 my_rpb->rpb_state |= STATE_BIP; 1227 my_rpb->rpb_state &= ~STATE_RC; 1228 1229 SpinLock(&theLock); 1230 printf("SlaveCmd: restart %x %x vptb %x my_rpb %x my_rpb_phys %x\n", 1231 rpb->rpb_restart, 1232 rpb->rpb_restart_pv, 1233 rpb->rpb_vptb, my_rpb, 1234 KSEG_TO_PHYS(my_rpb)); 1235 SpinUnlock(&theLock); 1236 1237 cServe(KSEG_TO_PHYS((ul)palJToSlave), 1238 (ul)rpb->rpb_restart, 1239 CSERVE_K_JTOPAL, 1240 rpb->rpb_restart_pv, 1241 rpb->rpb_vptb, 1242 KSEG_TO_PHYS(my_rpb)); 1243} 1244 1245void SlaveLoop( int cpu) 1246{ 1247 int size = ROUNDUP128(sizeof(struct rpb_percpu)); 1248 struct rpb_percpu *my_rpb = (struct rpb_percpu*) 1249 ((ul)rpb_percpu + size*cpu); 1250 1251 1252 SpinLock(&theLock); 1253 if (cpu==0) { 1254 panic("CPU�0 entering slaveLoop. Reenetering the console. HOSED \n"); 1255 } else { 1256 printf("Entering slaveloop for cpu %d my_rpb=%x \n",cpu,my_rpb); 1257 } 1258 SpinUnlock(&theLock); 1259 while(1) { 1260 int i; 1261 for (i=0; i < 1000000 ; i++) { 1262 if (my_rpb->rpb_iccb.iccb_rxlen) { 1263 SpinLock(&theLock); 1264 printf("Slave CPU %d console command %s", 1265 cpu,my_rpb->rpb_iccb.iccb_rxbuf); 1266 SpinUnlock(&theLock); 1267 SlaveCmd(cpu,my_rpb); 1268 panic("SlaveCmd returned \n"); 1269 } 1270 } 1271 printf("*"); 1272 } 1273} 1274 1275