console.c revision 8012
18012Ssaidi@eecs.umich.edu/* 28012Ssaidi@eecs.umich.eduCopyright (c) 2003, 2004 38012Ssaidi@eecs.umich.eduThe Regents of The University of Michigan 48012Ssaidi@eecs.umich.eduAll Rights Reserved 57977Shsul@eecs.umich.edu 68012Ssaidi@eecs.umich.eduThis code is part of the M5 simulator, developed by Nathan Binkert, 78012Ssaidi@eecs.umich.eduErik Hallnor, Steve Raasch, and Steve Reinhardt, with contributions 88012Ssaidi@eecs.umich.edufrom Ron Dreslinski, Dave Greene, Lisa Hsu, Ali Saidi, and Andrew 98012Ssaidi@eecs.umich.eduSchultz. 107977Shsul@eecs.umich.edu 118012Ssaidi@eecs.umich.eduPermission is granted to use, copy, create derivative works and 128012Ssaidi@eecs.umich.eduredistribute this software and such derivative works for any purpose, 138012Ssaidi@eecs.umich.eduso long as the copyright notice above, this grant of permission, and 148012Ssaidi@eecs.umich.eduthe disclaimer below appear in all copies made; and so long as the 158012Ssaidi@eecs.umich.eduname of The University of Michigan is not used in any advertising or 168012Ssaidi@eecs.umich.edupublicity pertaining to the use or distribution of this software 178012Ssaidi@eecs.umich.eduwithout specific, written prior authorization. 188012Ssaidi@eecs.umich.edu 198012Ssaidi@eecs.umich.eduTHIS SOFTWARE IS PROVIDED AS IS, WITHOUT REPRESENTATION FROM THE 208012Ssaidi@eecs.umich.eduUNIVERSITY OF MICHIGAN AS TO ITS FITNESS FOR ANY PURPOSE, AND WITHOUT 218012Ssaidi@eecs.umich.eduWARRANTY BY THE UNIVERSITY OF MICHIGAN OF ANY KIND, EITHER EXPRESS OR 228012Ssaidi@eecs.umich.eduIMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF 238012Ssaidi@eecs.umich.eduMERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE REGENTS OF 248012Ssaidi@eecs.umich.eduTHE UNIVERSITY OF MICHIGAN SHALL NOT BE LIABLE FOR ANY DAMAGES, 258012Ssaidi@eecs.umich.eduINCLUDING DIRECT, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL 268012Ssaidi@eecs.umich.eduDAMAGES, WITH RESPECT TO ANY CLAIM ARISING OUT OF OR IN CONNECTION 278012Ssaidi@eecs.umich.eduWITH THE USE OF THE SOFTWARE, EVEN IF IT HAS BEEN OR IS HEREAFTER 288012Ssaidi@eecs.umich.eduADVISED OF THE POSSIBILITY OF SUCH DAMAGES. 298012Ssaidi@eecs.umich.edu*/ 308012Ssaidi@eecs.umich.edu/* 318012Ssaidi@eecs.umich.eduCopyright 1993 Hewlett-Packard Development Company, L.P. 328012Ssaidi@eecs.umich.edu 338012Ssaidi@eecs.umich.eduPermission is hereby granted, free of charge, to any person obtaining a copy of 348012Ssaidi@eecs.umich.eduthis software and associated documentation files (the "Software"), to deal in 358012Ssaidi@eecs.umich.eduthe Software without restriction, including without limitation the rights to 368012Ssaidi@eecs.umich.eduuse, copy, modify, merge, publish, distribute, sublicense, and/or sell copies 378012Ssaidi@eecs.umich.eduof the Software, and to permit persons to whom the Software is furnished to do 388012Ssaidi@eecs.umich.eduso, subject to the following conditions: 398012Ssaidi@eecs.umich.edu 408012Ssaidi@eecs.umich.eduThe above copyright notice and this permission notice shall be included in all 418012Ssaidi@eecs.umich.educopies or substantial portions of the Software. 428012Ssaidi@eecs.umich.edu 438012Ssaidi@eecs.umich.eduTHE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 448012Ssaidi@eecs.umich.eduIMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 458012Ssaidi@eecs.umich.eduFITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 468012Ssaidi@eecs.umich.eduAUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 478012Ssaidi@eecs.umich.eduLIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 488012Ssaidi@eecs.umich.eduOUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 498012Ssaidi@eecs.umich.eduSOFTWARE. 508012Ssaidi@eecs.umich.edu*/ 517977Shsul@eecs.umich.edu/* ****************************************** 527977Shsul@eecs.umich.edu * SimOS SRM Console 537977Shsul@eecs.umich.edu * 547977Shsul@eecs.umich.edu * Derived from Lance Berc's SRM console 557977Shsul@eecs.umich.edu * for the SRC XXM�Machine 567977Shsul@eecs.umich.edu * ******************************************/ 577977Shsul@eecs.umich.edu 587977Shsul@eecs.umich.edu 597981Sbinkertn@umich.edutypedef unsigned long long uint64_t; 607977Shsul@eecs.umich.edutypedef unsigned long long uint64; 617981Sbinkertn@umich.edutypedef unsigned int uint32_t; 627978Sbinkertn@umich.edutypedef unsigned int uint32; 637978Sbinkertn@umich.edu 647978Sbinkertn@umich.edu#define CONSOLE 657978Sbinkertn@umich.edu#include "alpha_access.h" 667978Sbinkertn@umich.edu 677978Sbinkertn@umich.edu#if 0 687977Shsul@eecs.umich.edu#include "new_aouthdr.h" 697977Shsul@eecs.umich.edu#include "srcmax.h" 707977Shsul@eecs.umich.edu#endif 717977Shsul@eecs.umich.edu 727977Shsul@eecs.umich.edu/* from ../h */ 737977Shsul@eecs.umich.edu#include "lib.h" 747977Shsul@eecs.umich.edu#include "rpb.h" 757977Shsul@eecs.umich.edu#include "cserve.h" 767977Shsul@eecs.umich.edu 777977Shsul@eecs.umich.edu#define CONS_INT_TX 0x01 /* interrupt enable / state bits */ 787977Shsul@eecs.umich.edu#define CONS_INT_RX 0x02 797977Shsul@eecs.umich.edu 807977Shsul@eecs.umich.edu#define KSEG 0xfffffc0000000000 817977Shsul@eecs.umich.edu#define K1BASE 0xfffffc8000000000 827977Shsul@eecs.umich.edu#define KSEG_TO_PHYS(x)(((ul)x) & ~KSEG) 837977Shsul@eecs.umich.edu 848003Ssaidi@eecs.umich.edu#ifdef TSUNAMI 858003Ssaidi@eecs.umich.edu#define ALPHA_ACCESS_BASE 0xfffffd0200000000 868003Ssaidi@eecs.umich.edu#elif TLASER 877999Ssaidi@eecs.umich.edu#define ALPHA_ACCESS_BASE 0xfffffc8000a00000 888003Ssaidi@eecs.umich.edu#else 898003Ssaidi@eecs.umich.edu#error TSUNAMI/TLASER not defined. 908003Ssaidi@eecs.umich.edu#endif 917977Shsul@eecs.umich.edu 927977Shsul@eecs.umich.edu#define PHYS_TO_K1(_x) (K1BASE|(_x)) 937977Shsul@eecs.umich.edu 947977Shsul@eecs.umich.edu#define AOUT_LOAD_ADDR (KSEG|0xf000) 957977Shsul@eecs.umich.edu 967977Shsul@eecs.umich.edu#define ROUNDUP8(x) ((ul)(((ul)x)+7) & ~7) 977977Shsul@eecs.umich.edu#define ROUNDUP128(x) ((ul)(((ul)x)+127) & ~127) 987977Shsul@eecs.umich.edu#define ROUNDUP8K(x) ((ul)(((ul)(x))+8191) & ~8191) 997977Shsul@eecs.umich.edu 1007977Shsul@eecs.umich.edu#define FIRST(x) ((((ul)(x)) >> 33) & 0x3ff) 1017977Shsul@eecs.umich.edu#define SECOND(x) ((((ul)(x)) >> 23) & 0x3ff) 1027977Shsul@eecs.umich.edu#define THIRD(x) ((((ul)(x)) >> 13) & 0x3ff) 1037977Shsul@eecs.umich.edu#define THIRD_XXX(x) ((((ul)(x)) >> 13) & 0xfff) 1047977Shsul@eecs.umich.edu#define PFN(x) ((((ul)(x) & ~KSEG) >> 13)) 1057977Shsul@eecs.umich.edu 1067977Shsul@eecs.umich.edu/* Kernel write | kernel read | valid */ 1077977Shsul@eecs.umich.edu#define KPTE(x) ((ul)((((ul)(x)) << 32) | 0x1101)) 1087977Shsul@eecs.umich.edu 1098010Ssaidi@eecs.umich.edu#define HWRPB_PAGES 16 1107977Shsul@eecs.umich.edu#define MDT_BITMAP_PAGES 4 1117977Shsul@eecs.umich.edu 1127977Shsul@eecs.umich.edu#define CSERVE_K_JTOKERN 0x18 1137977Shsul@eecs.umich.edu 1147977Shsul@eecs.umich.edu#define NUM_KERNEL_THIRD (4) 1157977Shsul@eecs.umich.edu 1168009Ssaidi@eecs.umich.edu#define printf_lock(args...) \ 1178009Ssaidi@eecs.umich.edu do { \ 1188009Ssaidi@eecs.umich.edu SpinLock(&theLock); \ 1198009Ssaidi@eecs.umich.edu printf(args); \ 1208009Ssaidi@eecs.umich.edu SpinUnlock(&theLock); \ 1218009Ssaidi@eecs.umich.edu } while (0) 1228009Ssaidi@eecs.umich.edu 1237977Shsul@eecs.umich.edu 1247977Shsul@eecs.umich.edustatic unixBoot(int go, int argc, char **argv); 1257977Shsul@eecs.umich.eduvoid jToPal(ul bootadr); 1267977Shsul@eecs.umich.eduvoid SlaveLoop(int cpu); 1277977Shsul@eecs.umich.edu 1287977Shsul@eecs.umich.edu 1297978Sbinkertn@umich.edustruct AlphaAccess simosConf; 1307977Shsul@eecs.umich.edu 1317977Shsul@eecs.umich.edu/* ************************************************************** 1327977Shsul@eecs.umich.edu * Console callbacks use VMS calling conventions 1337977Shsul@eecs.umich.edu * read AXP manual, 2-64. 1347977Shsul@eecs.umich.edu * ***************************************************************/ 1357977Shsul@eecs.umich.edutypedef struct OpenVMSFunc { 1367977Shsul@eecs.umich.edu long dummy; 1377977Shsul@eecs.umich.edu long func; 1387977Shsul@eecs.umich.edu}OpenVMSFunc; 1397977Shsul@eecs.umich.edu 1407977Shsul@eecs.umich.eduOpenVMSFunc callbackFunc, fixupFunc; 1417977Shsul@eecs.umich.edu 1427977Shsul@eecs.umich.edu 1437977Shsul@eecs.umich.edu 1447977Shsul@eecs.umich.edu 1457977Shsul@eecs.umich.eduul theLock; 1467977Shsul@eecs.umich.edu 1477977Shsul@eecs.umich.edu 1487977Shsul@eecs.umich.eduextern void SpinLock(ul *lock); 1497977Shsul@eecs.umich.edu#define SpinUnlock(_x) *(_x) = 0; 1507977Shsul@eecs.umich.edu 1517977Shsul@eecs.umich.edustruct _kernel_params { 1527977Shsul@eecs.umich.edu char *bootadr; 1537977Shsul@eecs.umich.edu ul rpb_percpu; 1547977Shsul@eecs.umich.edu ul free_pfn; 1557977Shsul@eecs.umich.edu ul argc; 1567977Shsul@eecs.umich.edu ul argv; 1577977Shsul@eecs.umich.edu ul envp; /* NULL */ 1587977Shsul@eecs.umich.edu}; 1597977Shsul@eecs.umich.edu 1607977Shsul@eecs.umich.edu 1617977Shsul@eecs.umich.eduextern consoleCallback[]; 1627977Shsul@eecs.umich.eduextern consoleFixup[]; 1637977Shsul@eecs.umich.edulong CallBackDispatcher(); 1647977Shsul@eecs.umich.edulong CallBackFixup(); 1657977Shsul@eecs.umich.edu 1667977Shsul@eecs.umich.edu/* 1677977Shsul@eecs.umich.edu * simos console output 1687977Shsul@eecs.umich.edu */ 1697977Shsul@eecs.umich.edu 1707977Shsul@eecs.umich.eduvoid InitConsole(void) 1717977Shsul@eecs.umich.edu{ 1727977Shsul@eecs.umich.edu#if 0 1737977Shsul@eecs.umich.edu CDR->intr_status =(DevRegister)(DEV_CNSLE_RX_INTR |DEV_CNSLE_TX_INTR); 1747977Shsul@eecs.umich.edu#endif 1757977Shsul@eecs.umich.edu} 1767977Shsul@eecs.umich.edu 1777978Sbinkertn@umich.educhar GetChar() 1787978Sbinkertn@umich.edu{ 1797999Ssaidi@eecs.umich.edu struct AlphaAccess *k1Conf = (struct AlphaAccess *)(ALPHA_ACCESS_BASE); 1807981Sbinkertn@umich.edu return k1Conf->inputChar; 1817978Sbinkertn@umich.edu} 1827978Sbinkertn@umich.edu 1837977Shsul@eecs.umich.eduvoid PutChar(char c) 1847977Shsul@eecs.umich.edu{ 1857977Shsul@eecs.umich.edu#if 0 1867977Shsul@eecs.umich.edu CDR->data = c; 1877977Shsul@eecs.umich.edu#endif 1887977Shsul@eecs.umich.edu#if 0 1897977Shsul@eecs.umich.edu *(int*) PHYS_TO_K1(SLOT_D_COM1<<5) = c; 1907977Shsul@eecs.umich.edu#endif 1917999Ssaidi@eecs.umich.edu struct AlphaAccess *k1Conf = (struct AlphaAccess *)(ALPHA_ACCESS_BASE); 1927977Shsul@eecs.umich.edu k1Conf->outputChar = c; 1937977Shsul@eecs.umich.edu 1947977Shsul@eecs.umich.edu} 1957977Shsul@eecs.umich.edu 1967977Shsul@eecs.umich.edu 1977978Sbinkertn@umich.eduint 1987978Sbinkertn@umich.edupassArgs(int argc) 1997978Sbinkertn@umich.edu{ return 0; } 2007977Shsul@eecs.umich.edu 2017978Sbinkertn@umich.eduint 2027977Shsul@eecs.umich.edumain(int argc, char **argv) 2037977Shsul@eecs.umich.edu{ 2047977Shsul@eecs.umich.edu int x,i; 2057999Ssaidi@eecs.umich.edu struct AlphaAccess *k1Conf = (struct AlphaAccess *)(ALPHA_ACCESS_BASE); 2067977Shsul@eecs.umich.edu ui *k1ptr,*ksegptr; 2077977Shsul@eecs.umich.edu 2087977Shsul@eecs.umich.edu 2097977Shsul@eecs.umich.edu InitConsole(); 2108009Ssaidi@eecs.umich.edu printf_lock("M5 console\n"); 2117977Shsul@eecs.umich.edu /* 2127977Shsul@eecs.umich.edu * get configuration from backdoor 2137977Shsul@eecs.umich.edu */ 2147977Shsul@eecs.umich.edu simosConf.last_offset = k1Conf->last_offset; 2158009Ssaidi@eecs.umich.edu printf_lock("Got Configuration %d \n",simosConf.last_offset); 2168001Ssaidi@eecs.umich.edu 2178001Ssaidi@eecs.umich.edu simosConf.last_offset = k1Conf->last_offset; 2188001Ssaidi@eecs.umich.edu simosConf.version = k1Conf->version; 2198001Ssaidi@eecs.umich.edu simosConf.numCPUs = k1Conf->numCPUs; 2208001Ssaidi@eecs.umich.edu simosConf.intrClockFrequency = k1Conf->intrClockFrequency; 2218001Ssaidi@eecs.umich.edu simosConf.cpuClock = k1Conf->cpuClock; 2228001Ssaidi@eecs.umich.edu simosConf.mem_size = k1Conf->mem_size; 2238001Ssaidi@eecs.umich.edu simosConf.kernStart = k1Conf->kernStart; 2248001Ssaidi@eecs.umich.edu simosConf.kernEnd = k1Conf->kernEnd; 2258001Ssaidi@eecs.umich.edu simosConf.entryPoint = k1Conf->entryPoint; 2268001Ssaidi@eecs.umich.edu simosConf.diskUnit = k1Conf->diskUnit; 2278001Ssaidi@eecs.umich.edu simosConf.diskCount = k1Conf->diskCount; 2288001Ssaidi@eecs.umich.edu simosConf.diskPAddr = k1Conf->diskPAddr; 2298001Ssaidi@eecs.umich.edu simosConf.diskBlock = k1Conf->diskBlock; 2308001Ssaidi@eecs.umich.edu simosConf.diskOperation = k1Conf->diskOperation; 2318001Ssaidi@eecs.umich.edu simosConf.outputChar = k1Conf->outputChar; 2328001Ssaidi@eecs.umich.edu simosConf.inputChar = k1Conf->inputChar; 2338001Ssaidi@eecs.umich.edu simosConf.bootStrapImpure = k1Conf->bootStrapImpure; 2348001Ssaidi@eecs.umich.edu simosConf.bootStrapCPU = k1Conf->bootStrapCPU; 2357977Shsul@eecs.umich.edu 2367977Shsul@eecs.umich.edu if (simosConf.version != ALPHA_ACCESS_VERSION) { 2378004Ssaidi@eecs.umich.edu panic("Console version mismatch. Console expects %d. has %d \n", 2387977Shsul@eecs.umich.edu ALPHA_ACCESS_VERSION,simosConf.version); 2397977Shsul@eecs.umich.edu } 2407977Shsul@eecs.umich.edu 2417977Shsul@eecs.umich.edu 2427977Shsul@eecs.umich.edu /* 2437977Shsul@eecs.umich.edu * setup arguments to kernel 2447977Shsul@eecs.umich.edu */ 2457977Shsul@eecs.umich.edu unixBoot(1,argc,argv); 2467977Shsul@eecs.umich.edu 2477977Shsul@eecs.umich.edu x = *(volatile int *)(K1BASE-4); 2487977Shsul@eecs.umich.edu while(1) continue; 2497977Shsul@eecs.umich.edu return x; 2507977Shsul@eecs.umich.edu} 2517977Shsul@eecs.umich.edu 2527977Shsul@eecs.umich.edu/* 2537977Shsul@eecs.umich.edu * BOOTING 2547977Shsul@eecs.umich.edu */ 2557977Shsul@eecs.umich.edustruct rpb xxm_rpb = { 2567977Shsul@eecs.umich.edu NULL, /* 000: physical self-reference */ 2577978Sbinkertn@umich.edu ((long)'H') | (((long)'W') << 8) | (((long)'R') << 16) | 2587978Sbinkertn@umich.edu ((long)'P' << 24) | (((long)'B') << 32), /* 008: contains string "HWRPB" */ 2597977Shsul@eecs.umich.edu 6, /* 010: HWRPB version number */ 2607977Shsul@eecs.umich.edu /* the byte count is wrong, but who needs it? - lance */ 2617977Shsul@eecs.umich.edu 0, /* 018: bytes in RPB perCPU CTB CRB MEDSC */ 2627977Shsul@eecs.umich.edu 0, /* 020: primary cpu id */ 2637977Shsul@eecs.umich.edu 8192, /* 028: page size in bytes */ 2647977Shsul@eecs.umich.edu 43, /* 030: number of phys addr bits */ 2657977Shsul@eecs.umich.edu 127, /* 038: max valid ASN */ 2667977Shsul@eecs.umich.edu {'0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '1'}, /* 040: system serial num: 10 ascii chars */ 2677977Shsul@eecs.umich.edu#ifdef undef 2687977Shsul@eecs.umich.edu/* To be legitimate, the following system type and variation are correct for the XXM. 2697977Shsul@eecs.umich.edu But there are too many #ifdefs etc to deal with in Unix, so we tell the kernel 2707977Shsul@eecs.umich.edu that we're an Avanti, which is similar enough. 2717977Shsul@eecs.umich.edu */ 2727977Shsul@eecs.umich.edu 31, /* 050: system type - XXM is now in the Alpha SRM */ 2737977Shsul@eecs.umich.edu (1 << 10) | (2<<1),/* 058: system variation - XXM w/EV5 & embeded console */ 2747977Shsul@eecs.umich.edu#endif 2757977Shsul@eecs.umich.edu#if 0 2767977Shsul@eecs.umich.edu 0x12, /* 050: system type - masquarade as some random 21064 */ 2777977Shsul@eecs.umich.edu#endif 2788004Ssaidi@eecs.umich.edu 0, /* OVERRIDDEN */ 2798004Ssaidi@eecs.umich.edu (1<<10), /* 058: system variation OVERRIDDEN */ 2807977Shsul@eecs.umich.edu 'c'|('o'<<8)|('o'<<16)|('l'<< 24), /* 060: system revision */ 2817977Shsul@eecs.umich.edu 1024*4096, /* 068: scaled interval clock intr freq OVERRIDEN*/ 2827977Shsul@eecs.umich.edu 0, /* 070: cycle counter frequency */ 2837977Shsul@eecs.umich.edu 0x200000000, /* 078: virtual page table base */ 2847977Shsul@eecs.umich.edu 0, /* 080: reserved */ 2857977Shsul@eecs.umich.edu 0, /* 088: offset to translation buffer hint */ 2867977Shsul@eecs.umich.edu 1, /* 090: number of processor slots OVERRIDDEN*/ 2877977Shsul@eecs.umich.edu sizeof(struct rpb_percpu), /* 098: per-cpu slot size. OVERRIDDEN */ 2887977Shsul@eecs.umich.edu 0, /* 0A0: offset to per_cpu slots */ 2897977Shsul@eecs.umich.edu 1, /* 0A8: number of CTBs */ 2907977Shsul@eecs.umich.edu#ifdef bugnion_gone 2917977Shsul@eecs.umich.edu sizeof(struct rpb_ctb), /* 0B0: bytes in largest CTB */ 2927977Shsul@eecs.umich.edu#else 2937977Shsul@eecs.umich.edu sizeof(struct ctb_tt), 2947977Shsul@eecs.umich.edu#endif 2957977Shsul@eecs.umich.edu 0, /* 0B8: offset to CTB (cons term block) */ 2967977Shsul@eecs.umich.edu 0, /* 0C0: offset to CRB (cons routine block) */ 2977977Shsul@eecs.umich.edu 0, /* 0C8: offset to memory descriptor table */ 2987977Shsul@eecs.umich.edu 0, /* 0D0: offset to config data block */ 2997977Shsul@eecs.umich.edu 0, /* 0D8: offset to FRU table */ 3007977Shsul@eecs.umich.edu 0, /* 0E0: virt addr of save term routine */ 3017977Shsul@eecs.umich.edu 0, /* 0E8: proc value for save term routine */ 3027977Shsul@eecs.umich.edu 0, /* 0F0: virt addr of restore term routine */ 3037977Shsul@eecs.umich.edu 0, /* 0F8: proc value for restore term routine */ 3047977Shsul@eecs.umich.edu 0, /* 100: virt addr of CPU restart routine */ 3057977Shsul@eecs.umich.edu 0, /* 108: proc value for CPU restart routine */ 3067977Shsul@eecs.umich.edu 0, /* 110: used to determine presence of kdebug */ 3077977Shsul@eecs.umich.edu 0, /* 118: reserved for hardware */ 3087977Shsul@eecs.umich.edu/* the checksum is wrong, but who needs it? - lance */ 3097977Shsul@eecs.umich.edu 0, /* 120: checksum of prior entries in rpb */ 3107977Shsul@eecs.umich.edu 0, /* 128: receive ready bitmask */ 3117977Shsul@eecs.umich.edu 0, /* 130: transmit ready bitmask */ 3127977Shsul@eecs.umich.edu 0, /* 138: Dynamic System Recog. offset */ 3137977Shsul@eecs.umich.edu}; 3147977Shsul@eecs.umich.edu 3157977Shsul@eecs.umich.eduul xxm_tbb[] = { 0x1e1e1e1e1e1e1e1e, 0x1e1e1e1e1e1e1e1e, 0x1e1e1e1e1e1e1e1e, 0x1e1e1e1e1e1e1e1e, 3167977Shsul@eecs.umich.edu 0x1e1e1e1e1e1e1e1e, 0x1e1e1e1e1e1e1e1e, 0x1e1e1e1e1e1e1e1e, 0x1e1e1e1e1e1e1e1e}; 3177977Shsul@eecs.umich.edu 3187977Shsul@eecs.umich.edustruct rpb_percpu xxm_rpb_percpu = { 3198004Ssaidi@eecs.umich.edu {0,0,0,0,0,0,1,{0,0},{0,0,0,0,0,0,0,0}}, /* 000: boot/restart HWPCB */ 3207977Shsul@eecs.umich.edu (STATE_PA | STATE_PP | STATE_CV | STATE_PV | STATE_PMV | STATE_PL), /* 080: per-cpu state bits */ 3217977Shsul@eecs.umich.edu 0xc000, /* 088: palcode memory length */ 3227977Shsul@eecs.umich.edu 0x2000, /* 090: palcode scratch length */ 3237977Shsul@eecs.umich.edu 0x4000, /* 098: phys addr of palcode mem space */ 3247977Shsul@eecs.umich.edu 0x2000, /* 0A0: phys addr of palcode scratch space */ 3257977Shsul@eecs.umich.edu (2 << 16) | (5 << 8) | 1, /* 0A8: PALcode rev required */ 3268004Ssaidi@eecs.umich.edu 11 | (2L << 32), /* 0B0: processor type */ 3277977Shsul@eecs.umich.edu 7, /* 0B8: processor variation */ 3288004Ssaidi@eecs.umich.edu 'M'|('5'<<8)|('A'<<16)|('0'<<24), /* 0C0: processor revision */ 3298004Ssaidi@eecs.umich.edu {'M','5','/','A','l','p','h','a','0','0','0','0','0','0','0','0'}, /* 0C8: proc serial num: 10 ascii chars */ 3307977Shsul@eecs.umich.edu 0, /* 0D8: phys addr of logout area */ 3317977Shsul@eecs.umich.edu 0, /* 0E0: length in bytes of logout area */ 3327977Shsul@eecs.umich.edu 0, /* 0E8: halt pcb base */ 3337977Shsul@eecs.umich.edu 0, /* 0F0: halt pc */ 3347977Shsul@eecs.umich.edu 0, /* 0F8: halt ps */ 3357977Shsul@eecs.umich.edu 0, /* 100: halt arg list (R25) */ 3367977Shsul@eecs.umich.edu 0, /* 108: halt return address (R26) */ 3377977Shsul@eecs.umich.edu 0, /* 110: halt procedure value (R27) */ 3387977Shsul@eecs.umich.edu 0, /* 118: reason for halt */ 3397977Shsul@eecs.umich.edu 0, /* 120: for software */ 3407977Shsul@eecs.umich.edu {0}, /* 128: inter-console communications buffer */ 3417977Shsul@eecs.umich.edu {1,0,5,0,0,0,0,0,0,0,0,0,0,0,0,0}, /* 1D0: PALcode revs available */ 3427977Shsul@eecs.umich.edu 0 /* 250: reserved for arch use */ 3437977Shsul@eecs.umich.edu/* the dump stack grows from the end of the rpb page not to reach here */ 3447977Shsul@eecs.umich.edu}; 3457977Shsul@eecs.umich.edu 3467977Shsul@eecs.umich.edustruct _xxm_rpb_mdt { 3477977Shsul@eecs.umich.edu long rpb_checksum; /* 000: checksum of entire mem desc table */ 3487977Shsul@eecs.umich.edu long rpb_impaddr; /* 008: PA of implementation dep info */ 3497977Shsul@eecs.umich.edu long rpb_numcl; /* 010: number of clusters */ 3507977Shsul@eecs.umich.edu struct rpb_cluster rpb_cluster[3]; /* first instance of a cluster */ 3517977Shsul@eecs.umich.edu}; 3527977Shsul@eecs.umich.edu 3537977Shsul@eecs.umich.edustruct _xxm_rpb_mdt xxm_rpb_mdt = { 3547977Shsul@eecs.umich.edu 0, /* 000: checksum of entire mem desc table */ 3557977Shsul@eecs.umich.edu 0, /* 008: PA of implementation dep info */ 3567977Shsul@eecs.umich.edu 0, /* 010: number of clusters */ 3577977Shsul@eecs.umich.edu {{ 0, /* 000: starting PFN of this cluster */ 3587977Shsul@eecs.umich.edu 0, /* 008: count of PFNs in this cluster */ 3597977Shsul@eecs.umich.edu 0, /* 010: count of tested PFNs in cluster */ 3607977Shsul@eecs.umich.edu 0, /* 018: va of bitmap */ 3617977Shsul@eecs.umich.edu 0, /* 020: pa of bitmap */ 3627977Shsul@eecs.umich.edu 0, /* 028: checksum of bitmap */ 3637977Shsul@eecs.umich.edu 1 /* 030: usage of cluster */ 3647977Shsul@eecs.umich.edu }, 3657977Shsul@eecs.umich.edu { 0, /* 000: starting PFN of this cluster */ 3667977Shsul@eecs.umich.edu 0, /* 008: count of PFNs in this cluster */ 3677977Shsul@eecs.umich.edu 0, /* 010: count of tested PFNs in cluster */ 3687977Shsul@eecs.umich.edu 0, /* 018: va of bitmap */ 3697977Shsul@eecs.umich.edu 0, /* 020: pa of bitmap */ 3707977Shsul@eecs.umich.edu 0, /* 028: checksum of bitmap */ 3717977Shsul@eecs.umich.edu 0 /* 030: usage of cluster */ 3727977Shsul@eecs.umich.edu }, 3737977Shsul@eecs.umich.edu { 0, /* 000: starting PFN of this cluster */ 3747977Shsul@eecs.umich.edu 0, /* 008: count of PFNs in this cluster */ 3757977Shsul@eecs.umich.edu 0, /* 010: count of tested PFNs in cluster */ 3767977Shsul@eecs.umich.edu 0, /* 018: va of bitmap */ 3777977Shsul@eecs.umich.edu 0, /* 020: pa of bitmap */ 3787977Shsul@eecs.umich.edu 0, /* 028: checksum of bitmap */ 3797977Shsul@eecs.umich.edu 0 /* 030: usage of cluster */ 3807977Shsul@eecs.umich.edu }} 3817977Shsul@eecs.umich.edu}; 3827977Shsul@eecs.umich.edu 3837977Shsul@eecs.umich.edu/* constants for slotinfo bus_type subfield */ 3847977Shsul@eecs.umich.edu#define SLOTINFO_TC 0 3857977Shsul@eecs.umich.edu#define SLOTINFO_ISA 1 3867977Shsul@eecs.umich.edu#define SLOTINFO_EISA 2 3877977Shsul@eecs.umich.edu#define SLOTINFO_PCI 3 3887977Shsul@eecs.umich.edu 3897977Shsul@eecs.umich.edustruct rpb_ctb xxm_rpb_ctb = { 3907977Shsul@eecs.umich.edu CONS_DZ, /* 000: console type */ 3917977Shsul@eecs.umich.edu 0, /* 008: console unit */ 3927977Shsul@eecs.umich.edu 0, /* 010: reserved */ 3937977Shsul@eecs.umich.edu 0 /* 018: byte length of device dep portion */ 3947977Shsul@eecs.umich.edu}; 3957977Shsul@eecs.umich.edu 3967977Shsul@eecs.umich.edu/* we don't do any fixup (aka relocate the console) - we hope */ 3977977Shsul@eecs.umich.edustruct rpb_crb xxm_rpb_crb = { 3987977Shsul@eecs.umich.edu 0, /* va of call-back dispatch rtn */ 3997977Shsul@eecs.umich.edu 0, /* pa of call-back dispatch rtn */ 4007977Shsul@eecs.umich.edu 0, /* va of call-back fixup rtn */ 4017977Shsul@eecs.umich.edu 0, /* pa of call-back fixup rtn */ 4027977Shsul@eecs.umich.edu 0, /* number of entries in phys/virt map */ 4037977Shsul@eecs.umich.edu 0 /* Number of pages to be mapped */ 4047977Shsul@eecs.umich.edu}; 4057977Shsul@eecs.umich.edu 4067977Shsul@eecs.umich.edustruct _rpb_name { 4077977Shsul@eecs.umich.edu unsigned long length; 4087977Shsul@eecs.umich.edu char name[16]; 4097977Shsul@eecs.umich.edu}; 4107977Shsul@eecs.umich.edu 4117977Shsul@eecs.umich.eduextern struct _rpb_name xxm_name; 4127977Shsul@eecs.umich.edu 4137977Shsul@eecs.umich.edustruct rpb_dsr xxm_rpb_dsr = { 4147977Shsul@eecs.umich.edu 0, 4157977Shsul@eecs.umich.edu 0, 4167977Shsul@eecs.umich.edu 0, 4177977Shsul@eecs.umich.edu}; 4187977Shsul@eecs.umich.edu 4197977Shsul@eecs.umich.edustruct _rpb_name xxm_name = { 4207977Shsul@eecs.umich.edu 16, 4217977Shsul@eecs.umich.edu {'D','E','C',' ','S','R','C',' ','X','X','M',' ','D','G','C',0}, 4227977Shsul@eecs.umich.edu}; 4237977Shsul@eecs.umich.edu 4247977Shsul@eecs.umich.edu/* XXM has one LURT entry - 1050 is for workstations, 1100 is servers (and is needed for CXX) */ 4257977Shsul@eecs.umich.edulong xxm_lurt[10] = { 9, 12, -1, -1, -1, -1, -1, -1, 1100, 1100 }; 4267977Shsul@eecs.umich.edu 4277977Shsul@eecs.umich.eduul unix_boot_mem; 4287977Shsul@eecs.umich.eduunsigned long bootadr; 4297977Shsul@eecs.umich.edu#if 0 4307977Shsul@eecs.umich.eduunsigned long aout_bss_addr, aout_bss_size, aout_entry, aout_text_start, aout_data_addr; 4317977Shsul@eecs.umich.edu#endif 4327977Shsul@eecs.umich.educhar **kargv; 4337977Shsul@eecs.umich.eduint kargc; 4347977Shsul@eecs.umich.eduul free_pfn; 4357977Shsul@eecs.umich.edustruct rpb_percpu *rpb_percpu; 4367977Shsul@eecs.umich.edu 4377977Shsul@eecs.umich.edu 4387977Shsul@eecs.umich.edu#define MAX_CPUS 32 4397977Shsul@eecs.umich.edu 4407977Shsul@eecs.umich.eduul bootStrapImpure[MAX_CPUS]; 4417977Shsul@eecs.umich.edu 4427977Shsul@eecs.umich.edu 4437977Shsul@eecs.umich.educhar *unix_boot_alloc(int pages) 4447977Shsul@eecs.umich.edu{ 4457977Shsul@eecs.umich.edu char *ret = (char *) unix_boot_mem; 4467977Shsul@eecs.umich.edu unix_boot_mem += (pages * 8192); 4477977Shsul@eecs.umich.edu return ret; 4487977Shsul@eecs.umich.edu} 4497977Shsul@eecs.umich.edu 4507977Shsul@eecs.umich.eduul *first = 0; 4517977Shsul@eecs.umich.eduul *third_rpb = 0; 4527977Shsul@eecs.umich.eduul *reservedFixup = 0; 4537977Shsul@eecs.umich.edu 4547978Sbinkertn@umich.eduint strcpy(char *dst, char *src); 4557978Sbinkertn@umich.edu 4567977Shsul@eecs.umich.edustruct rpb *rpb; 4577977Shsul@eecs.umich.edu 4587977Shsul@eecs.umich.eduunixBoot(int go, int argc, char **argv) 4597977Shsul@eecs.umich.edu{ 4607977Shsul@eecs.umich.edu ul *second, *third_kernel, ptr, *tbb, size, *percpu_logout; 4617977Shsul@eecs.umich.edu unsigned char *mdt_bitmap; 4627977Shsul@eecs.umich.edu long *lp1, *lp2, sum; 4637977Shsul@eecs.umich.edu int i, cl; 4647977Shsul@eecs.umich.edu int kern_first_page; 4657977Shsul@eecs.umich.edu int mem_size = simosConf.mem_size; 4667977Shsul@eecs.umich.edu 4677977Shsul@eecs.umich.edu int mem_pages = mem_size / 8192, cons_pages; 4687977Shsul@eecs.umich.edu ul kernel_bytes, ksp, kernel_end, *unix_kernel_stack, bss, ksp_bottom, ksp_top; 4697977Shsul@eecs.umich.edu struct rpb_ctb *rpb_ctb; 4707977Shsul@eecs.umich.edu struct ctb_tt *ctb_tt; 4717977Shsul@eecs.umich.edu struct rpb_dsr *rpb_dsr; 4727977Shsul@eecs.umich.edu struct rpb_crb *rpb_crb; 4737977Shsul@eecs.umich.edu struct _xxm_rpb_mdt *rpb_mdt; 4747977Shsul@eecs.umich.edu int *rpb_lurt; 4757977Shsul@eecs.umich.edu char *rpb_name; 4767977Shsul@eecs.umich.edu ul nextPtr; 4777977Shsul@eecs.umich.edu 4788009Ssaidi@eecs.umich.edu printf_lock( "memsize %x pages %x \n",mem_size,mem_pages); 4797977Shsul@eecs.umich.edu 4807977Shsul@eecs.umich.edu 4817977Shsul@eecs.umich.edu 4827977Shsul@eecs.umich.edu#ifdef notnow 4837977Shsul@eecs.umich.edu if (unixArgs()) return; 4847977Shsul@eecs.umich.edu#endif 4857977Shsul@eecs.umich.edu 4867977Shsul@eecs.umich.edu /* Allocate: 4877977Shsul@eecs.umich.edu * two pages for the HWRPB 4887977Shsul@eecs.umich.edu * five page table pages: 4897977Shsul@eecs.umich.edu * 1: First level page table 4907977Shsul@eecs.umich.edu * 1: Second level page table 4917977Shsul@eecs.umich.edu * 1: Third level page table for HWRPB 4927977Shsul@eecs.umich.edu * 2: Third level page table for kernel (for up to 16MB) 4937977Shsul@eecs.umich.edu * set up the page tables 4947977Shsul@eecs.umich.edu * load the kernel at the physical address 0x230000 4957977Shsul@eecs.umich.edu * build the HWRPB 4967977Shsul@eecs.umich.edu * set up memory descriptor table to give up the 4977977Shsul@eecs.umich.edu * physical memory between the end of the page 4987977Shsul@eecs.umich.edu * tables and the start of the kernel 4997977Shsul@eecs.umich.edu * enable kseg addressing 5007977Shsul@eecs.umich.edu * jump to the kernel 5017977Shsul@eecs.umich.edu */ 5027977Shsul@eecs.umich.edu 5037977Shsul@eecs.umich.edu unix_boot_mem = ROUNDUP8K(&_end); 5047977Shsul@eecs.umich.edu 5058009Ssaidi@eecs.umich.edu printf_lock("First free page after ROM 0x%x\n", unix_boot_mem); 5067977Shsul@eecs.umich.edu 5077977Shsul@eecs.umich.edu rpb = (struct rpb *) unix_boot_alloc( HWRPB_PAGES); 5087977Shsul@eecs.umich.edu 5097977Shsul@eecs.umich.edu mdt_bitmap = (unsigned char *) unix_boot_alloc(MDT_BITMAP_PAGES); 5107977Shsul@eecs.umich.edu first = (ul *)unix_boot_alloc(1); 5117977Shsul@eecs.umich.edu second = (ul *)unix_boot_alloc(1); 5127977Shsul@eecs.umich.edu third_rpb = (ul *)unix_boot_alloc(1); 5137977Shsul@eecs.umich.edu reservedFixup = (ul*) unix_boot_alloc(1); 5147977Shsul@eecs.umich.edu third_kernel = (ul *)unix_boot_alloc(NUM_KERNEL_THIRD); 5157977Shsul@eecs.umich.edu percpu_logout = (ul*)unix_boot_alloc(1); 5167977Shsul@eecs.umich.edu 5177977Shsul@eecs.umich.edu 5187977Shsul@eecs.umich.edu cons_pages = KSEG_TO_PHYS(unix_boot_mem) / 8192; 5197977Shsul@eecs.umich.edu 5207977Shsul@eecs.umich.edu /* Set up the page tables */ 5217977Shsul@eecs.umich.edu bzero((char *)first, 8192); 5227977Shsul@eecs.umich.edu bzero((char *)second, 8192); 5237977Shsul@eecs.umich.edu bzero((char *)reservedFixup,8192); 5247977Shsul@eecs.umich.edu bzero((char *)third_rpb, HWRPB_PAGES * 8192); 5257977Shsul@eecs.umich.edu bzero((char *)third_kernel, 8192 * NUM_KERNEL_THIRD); 5267977Shsul@eecs.umich.edu 5277977Shsul@eecs.umich.edu first[0] = KPTE(PFN(second)); 5287977Shsul@eecs.umich.edu first[1] = KPTE(PFN(first)); /* Region 3 */ 5297977Shsul@eecs.umich.edu 5307977Shsul@eecs.umich.edu second[SECOND(0x10000000)] = KPTE(PFN(third_rpb)); /* Region 0 */ 5318010Ssaidi@eecs.umich.edu 5327977Shsul@eecs.umich.edu for (i=0;i<NUM_KERNEL_THIRD;i++) { 5337977Shsul@eecs.umich.edu second[SECOND(0x20000000)+i] = KPTE(PFN(third_kernel)+i); /* Region 1 */ 5347977Shsul@eecs.umich.edu } 5357977Shsul@eecs.umich.edu second[SECOND(0x40000000)] = KPTE(PFN(second)); /* Region 2 */ 5367977Shsul@eecs.umich.edu 5377977Shsul@eecs.umich.edu 5387977Shsul@eecs.umich.edu { 5397977Shsul@eecs.umich.edu 5407977Shsul@eecs.umich.edu /* For some obscure reason, Dec Unix's database read 5417977Shsul@eecs.umich.edu * from /etc/sysconfigtab is written to this fixed 5427977Shsul@eecs.umich.edu * mapped memory location. Go figure, since it is 5437977Shsul@eecs.umich.edu * not initialized by the console. Maybe it is 5447977Shsul@eecs.umich.edu * to look at the database from the console 5457977Shsul@eecs.umich.edu * after a boot/crash. 5467977Shsul@eecs.umich.edu * 5477977Shsul@eecs.umich.edu * Black magic to estimate the max size. SEGVs on overflow 5487977Shsul@eecs.umich.edu * bugnion 5497977Shsul@eecs.umich.edu */ 5507977Shsul@eecs.umich.edu 5517977Shsul@eecs.umich.edu#define DATABASE_BASE 0x20000000 5527977Shsul@eecs.umich.edu#ifdef not_not 5537977Shsul@eecs.umich.edu#define DATABASE_END 0x20230000 /* don't need all that */ 5547977Shsul@eecs.umich.edu#endif 5557977Shsul@eecs.umich.edu 5567977Shsul@eecs.umich.edu#define DATABASE_END 0x20020000 5577977Shsul@eecs.umich.edu 5587977Shsul@eecs.umich.edu int i; 5597977Shsul@eecs.umich.edu ul *dbPage = (ul*)unix_boot_alloc(1); 5607977Shsul@eecs.umich.edu second[SECOND(DATABASE_BASE)] = KPTE(PFN(dbPage)); 5617977Shsul@eecs.umich.edu for (i=DATABASE_BASE; i <DATABASE_END ; i+= 8096) { 5627977Shsul@eecs.umich.edu ul *db = (ul*)unix_boot_alloc(1); 5637977Shsul@eecs.umich.edu dbPage[THIRD(i)] = KPTE(PFN(db)); 5647977Shsul@eecs.umich.edu } 5657977Shsul@eecs.umich.edu } 5667977Shsul@eecs.umich.edu 5677977Shsul@eecs.umich.edu /* Region 0 */ 5687977Shsul@eecs.umich.edu /* Map the HWRPB */ 5697977Shsul@eecs.umich.edu for (i = 0; i < HWRPB_PAGES; i++) third_rpb[i] = KPTE(PFN(rpb) + i); 5707977Shsul@eecs.umich.edu 5717977Shsul@eecs.umich.edu /* Map the MDT bitmap table */ 5727977Shsul@eecs.umich.edu for (i=0;i<MDT_BITMAP_PAGES;i++) { 5737977Shsul@eecs.umich.edu third_rpb[HWRPB_PAGES+i] = KPTE(PFN(mdt_bitmap)+i); 5747977Shsul@eecs.umich.edu } 5757977Shsul@eecs.umich.edu 5767977Shsul@eecs.umich.edu /* Protect the PAL pages */ 5777977Shsul@eecs.umich.edu for (i = 1; i < PFN(first); i++) third_rpb[HWRPB_PAGES + MDT_BITMAP_PAGES + i] = KPTE(i); 5787977Shsul@eecs.umich.edu 5797977Shsul@eecs.umich.edu /* Set up third_kernel after it's loaded, when we know where it is */ 5807977Shsul@eecs.umich.edu 5817977Shsul@eecs.umich.edu#ifdef original__xxm 5827977Shsul@eecs.umich.edu if (unixLoadKernel(AOUT_LOAD_ADDR, argv[1]) == -1) return; 5837977Shsul@eecs.umich.edu aoutfixup(AOUT_LOAD_ADDR); 5847977Shsul@eecs.umich.edu#else 5857977Shsul@eecs.umich.edu /* aoutfixup(simosConf.kernelFileHdr); */ 5867977Shsul@eecs.umich.edu#endif 5877977Shsul@eecs.umich.edu#if 0 5887977Shsul@eecs.umich.edu bss = aout_bss_addr; 5897977Shsul@eecs.umich.edu 5907977Shsul@eecs.umich.edu kern_first_page = (KSEG_TO_PHYS(aout_text_start) / 8192); 5917977Shsul@eecs.umich.edu kernel_end = ksp_top = ROUNDUP8K(aout_bss_addr + aout_bss_size); 5927977Shsul@eecs.umich.edu bootadr = aout_entry; 5937977Shsul@eecs.umich.edu#endif 5947977Shsul@eecs.umich.edu 5957977Shsul@eecs.umich.edu kern_first_page = (KSEG_TO_PHYS(simosConf.kernStart)/8192); 5967977Shsul@eecs.umich.edu kernel_end = ksp_top = ROUNDUP8K(simosConf.kernEnd); 5977977Shsul@eecs.umich.edu bootadr = simosConf.entryPoint; 5987977Shsul@eecs.umich.edu 5997977Shsul@eecs.umich.edu 6008009Ssaidi@eecs.umich.edu printf_lock("HWRPB 0x%x l1pt 0x%x l2pt 0x%x l3pt_rpb 0x%x l3pt_kernel 0x%x l2reserv 0x%x\n", 6017977Shsul@eecs.umich.edu rpb, first, second, third_rpb, third_kernel,reservedFixup); 6027977Shsul@eecs.umich.edu if (kernel_end - simosConf.kernStart > (0x800000*NUM_KERNEL_THIRD)) { 6038009Ssaidi@eecs.umich.edu printf_lock("Kernel is more than 8MB 0x%x - 0x%x = 0x%x\n", 6047977Shsul@eecs.umich.edu kernel_end, simosConf.kernStart, 6057977Shsul@eecs.umich.edu kernel_end -simosConf.kernStart ); 6067977Shsul@eecs.umich.edu panic("kernel too big\n"); 6077977Shsul@eecs.umich.edu 6087977Shsul@eecs.umich.edu } 6097977Shsul@eecs.umich.edu /* Map the kernel's pages into the third level of region 2 */ 6107977Shsul@eecs.umich.edu 6117977Shsul@eecs.umich.edu for (ptr = simosConf.kernStart; ptr < kernel_end; ptr += 8192) { 6127977Shsul@eecs.umich.edu 6137977Shsul@eecs.umich.edu third_kernel[THIRD_XXX(ptr)] = KPTE(PFN(ptr)); 6147977Shsul@eecs.umich.edu } 6157977Shsul@eecs.umich.edu /* blow 2 pages of phys mem for guards since it maintains 1-to-1 mapping */ 6167977Shsul@eecs.umich.edu ksp = ksp_top + (3 * 8192); 6177977Shsul@eecs.umich.edu if (ksp - simosConf.kernStart > (0x800000*NUM_KERNEL_THIRD)) { 6188009Ssaidi@eecs.umich.edu printf_lock("Kernel stack pushd us over 8MB\n"); 6197977Shsul@eecs.umich.edu panic("ksp too big\n"); 6207977Shsul@eecs.umich.edu } 6217977Shsul@eecs.umich.edu if (THIRD_XXX((ul)ksp_top) > NUM_KERNEL_THIRD * 1024) { 6227977Shsul@eecs.umich.edu panic("increase NUM_KERNEL_THIRD, and change THIRD_XXX\n"); 6237977Shsul@eecs.umich.edu } 6247977Shsul@eecs.umich.edu ptr = (ul) ksp_top; 6257977Shsul@eecs.umich.edu bzero((char *)ptr, 8192 * 2); 6267977Shsul@eecs.umich.edu third_kernel[THIRD_XXX(ptr)] = 0; /* Stack Guard Page */ 6277977Shsul@eecs.umich.edu ptr += 8192; 6287977Shsul@eecs.umich.edu third_kernel[THIRD_XXX(ptr)] = KPTE(PFN(ptr)); /* Kernel Stack Pages */ 6297977Shsul@eecs.umich.edu ptr += 8192; 6307977Shsul@eecs.umich.edu third_kernel[THIRD_XXX(ptr)] = KPTE(PFN(ptr)); 6317977Shsul@eecs.umich.edu ptr += 8192; 6327977Shsul@eecs.umich.edu third_kernel[THIRD_XXX(ptr)] = 0; /* Stack Guard Page */ 6337977Shsul@eecs.umich.edu 6347977Shsul@eecs.umich.edu /* put argv into the bottom of the stack - argv starts at 1 because 6357977Shsul@eecs.umich.edu * the command thatr got us here (i.e. "unixboot) is in argv[0]. 6367977Shsul@eecs.umich.edu */ 6377977Shsul@eecs.umich.edu ksp -= 8; /* Back up one longword */ 6387977Shsul@eecs.umich.edu ksp -= argc * sizeof(char *); /* Make room for argv */ 6397977Shsul@eecs.umich.edu kargv = (char **) ksp; 6407977Shsul@eecs.umich.edu for (i = 1; i < argc; i++) { /* Copy arguments to stack */ 6417977Shsul@eecs.umich.edu ksp -= ((strlen(argv[i]) + 1) + 7) & ~0x7; 6427977Shsul@eecs.umich.edu kargv[i-1] = (char *) ksp; 6437977Shsul@eecs.umich.edu strcpy(kargv[i-1], argv[i]); 6447977Shsul@eecs.umich.edu } 6457977Shsul@eecs.umich.edu kargc = i - 1; 6467977Shsul@eecs.umich.edu kargv[kargc] = NULL; /* just to be sure; doesn't seem to be used */ 6477977Shsul@eecs.umich.edu ksp -= sizeof(char *); /* point above last arg for no real reason */ 6487977Shsul@eecs.umich.edu 6497977Shsul@eecs.umich.edu free_pfn = PFN(ptr); 6507977Shsul@eecs.umich.edu 6517977Shsul@eecs.umich.edu bcopy((char *)&xxm_rpb, (char *)rpb, sizeof(struct rpb)); 6527977Shsul@eecs.umich.edu 6537977Shsul@eecs.umich.edu rpb->rpb_selfref = (struct rpb *) KSEG_TO_PHYS(rpb); 6547977Shsul@eecs.umich.edu rpb->rpb_string = 0x0000004250525748; 6557977Shsul@eecs.umich.edu 6567977Shsul@eecs.umich.edu tbb = (ul *) (((char *) rpb) + ROUNDUP8(sizeof(struct rpb))); 6577977Shsul@eecs.umich.edu rpb->rpb_trans_off = (ul)tbb - (ul)rpb; 6587977Shsul@eecs.umich.edu bcopy((char *)xxm_tbb, (char *)tbb, sizeof(xxm_tbb)); 6597977Shsul@eecs.umich.edu 6607977Shsul@eecs.umich.edu 6617977Shsul@eecs.umich.edu /* 6627977Shsul@eecs.umich.edu * rpb_counter. Use to determine timeouts in OS. 6637977Shsul@eecs.umich.edu * XXX must be patched after a checkpoint restore (I guess) 6647977Shsul@eecs.umich.edu */ 6657977Shsul@eecs.umich.edu 6668009Ssaidi@eecs.umich.edu printf_lock("CPU Clock at %d MHz IntrClockFrequency=%d \n", simosConf.cpuClock,simosConf.intrClockFrequency); 6677977Shsul@eecs.umich.edu rpb->rpb_counter = simosConf.cpuClock * 1000 * 1000; 6687977Shsul@eecs.umich.edu 6697977Shsul@eecs.umich.edu /* 6707977Shsul@eecs.umich.edu * By definition, the rpb_clock is scaled by 4096 (in hz) 6717977Shsul@eecs.umich.edu */ 6727977Shsul@eecs.umich.edu rpb->rpb_clock = simosConf.intrClockFrequency * 4096; 6737977Shsul@eecs.umich.edu 6747977Shsul@eecs.umich.edu 6757977Shsul@eecs.umich.edu 6767977Shsul@eecs.umich.edu /* 6777977Shsul@eecs.umich.edu * Per CPU Slots. Multiprocessor support. 6787977Shsul@eecs.umich.edu */ 6797977Shsul@eecs.umich.edu { 6807977Shsul@eecs.umich.edu int i; 6817977Shsul@eecs.umich.edu int size = ROUNDUP128(sizeof(struct rpb_percpu)); 6827977Shsul@eecs.umich.edu 6838009Ssaidi@eecs.umich.edu printf_lock("Booting with %d processor(s) \n",simosConf.numCPUs); 6847977Shsul@eecs.umich.edu 6857977Shsul@eecs.umich.edu rpb->rpb_numprocs = simosConf.numCPUs; 6867977Shsul@eecs.umich.edu rpb->rpb_slotsize = size; 6877977Shsul@eecs.umich.edu rpb_percpu = (struct rpb_percpu *) 6887977Shsul@eecs.umich.edu ROUNDUP128(((ul) tbb) +(sizeof(xxm_tbb))); 6897977Shsul@eecs.umich.edu 6907977Shsul@eecs.umich.edu rpb->rpb_percpu_off = (ul)rpb_percpu - (ul)rpb; 6917977Shsul@eecs.umich.edu 6927977Shsul@eecs.umich.edu for (i=0;i<simosConf.numCPUs;i++) { 6937977Shsul@eecs.umich.edu struct rpb_percpu *thisCPU = (struct rpb_percpu*) 6947977Shsul@eecs.umich.edu ((ul)rpb_percpu + size*i); 6957977Shsul@eecs.umich.edu 6967977Shsul@eecs.umich.edu bzero((char *)thisCPU, size); 6977977Shsul@eecs.umich.edu bcopy((char *)&xxm_rpb_percpu, 6987977Shsul@eecs.umich.edu (char *)thisCPU, 6997977Shsul@eecs.umich.edu sizeof(struct rpb_percpu)); 7007977Shsul@eecs.umich.edu 7017977Shsul@eecs.umich.edu thisCPU->rpb_pcb.rpb_ksp = ksp; 7027977Shsul@eecs.umich.edu thisCPU->rpb_pcb.rpb_ptbr = PFN(first); 7037977Shsul@eecs.umich.edu 7047977Shsul@eecs.umich.edu thisCPU->rpb_logout = KSEG_TO_PHYS(percpu_logout); 7057977Shsul@eecs.umich.edu thisCPU->rpb_logout_len = 8192; 7067977Shsul@eecs.umich.edu 7077977Shsul@eecs.umich.edu/* thisCPU->rpb_pcb.rpb_ptbr = PFN(second);*/ 7087977Shsul@eecs.umich.edu 7098009Ssaidi@eecs.umich.edu printf_lock("KSP: 0x%x PTBR 0x%x\n", thisCPU->rpb_pcb.rpb_ksp, thisCPU->rpb_pcb.rpb_ptbr); 7107977Shsul@eecs.umich.edu 7117977Shsul@eecs.umich.edu if (i) { 7127977Shsul@eecs.umich.edu bootStrapImpure[i] = (ul)unix_boot_alloc(1); 7137977Shsul@eecs.umich.edu } 7147977Shsul@eecs.umich.edu 7157977Shsul@eecs.umich.edu } 7167977Shsul@eecs.umich.edu 7177977Shsul@eecs.umich.edu nextPtr = (ul)rpb_percpu + size*simosConf.numCPUs; 7187977Shsul@eecs.umich.edu } 7197977Shsul@eecs.umich.edu 7207977Shsul@eecs.umich.edu /* 7217977Shsul@eecs.umich.edu * Console Terminal Block 7227977Shsul@eecs.umich.edu */ 7237977Shsul@eecs.umich.edu 7247977Shsul@eecs.umich.edu 7257977Shsul@eecs.umich.edu rpb_ctb = (struct rpb_ctb *) nextPtr; 7267977Shsul@eecs.umich.edu ctb_tt = (struct ctb_tt*) rpb_ctb; 7277977Shsul@eecs.umich.edu 7287977Shsul@eecs.umich.edu rpb->rpb_ctb_off = ((ul)rpb_ctb) - (ul)rpb; 7297977Shsul@eecs.umich.edu rpb->rpb_ctb_size = sizeof(struct rpb_ctb); 7307977Shsul@eecs.umich.edu 7317977Shsul@eecs.umich.edu bzero((char *)rpb_ctb, sizeof(struct ctb_tt)); 7327977Shsul@eecs.umich.edu 7337977Shsul@eecs.umich.edu#ifdef original_xxm 7347977Shsul@eecs.umich.edu if (tga_slot == -1) 7357977Shsul@eecs.umich.edu rpb_ctb->rpb_type = CONS_DZ; 7367977Shsul@eecs.umich.edu else { 7377977Shsul@eecs.umich.edu rpb_ctb->rpb_type = CONS_GRPH; 7387977Shsul@eecs.umich.edu rpb_ctb->rpb_unit = (SLOTINFO_PCI << 16) | (0 << 8) | tga_slot; 7397977Shsul@eecs.umich.edu } 7407977Shsul@eecs.umich.edu#else 7417977Shsul@eecs.umich.edu rpb_ctb->rpb_type = CONS_DZ; 7427977Shsul@eecs.umich.edu#endif 7437977Shsul@eecs.umich.edu 7447977Shsul@eecs.umich.edu rpb_ctb->rpb_length = sizeof(ctb_tt)-sizeof(rpb_ctb); 7457977Shsul@eecs.umich.edu 7467977Shsul@eecs.umich.edu /* 7477977Shsul@eecs.umich.edu * uart initizliation 7487977Shsul@eecs.umich.edu */ 7497977Shsul@eecs.umich.edu ctb_tt->ctb_csr = 0; 7507977Shsul@eecs.umich.edu ctb_tt->ctb_tivec = 0x6c0; /* matches tlaser pal code */ 7517977Shsul@eecs.umich.edu ctb_tt->ctb_rivec = 0x680; /* matches tlaser pal code */ 7527977Shsul@eecs.umich.edu ctb_tt->ctb_baud = 9600; 7537977Shsul@eecs.umich.edu ctb_tt->ctb_put_sts = 0; 7547977Shsul@eecs.umich.edu ctb_tt->ctb_get_sts = 0; 7557977Shsul@eecs.umich.edu 7567977Shsul@eecs.umich.edu 7577977Shsul@eecs.umich.edu rpb_crb = (struct rpb_crb *) (((ul)rpb_ctb) + sizeof(struct ctb_tt)); 7587977Shsul@eecs.umich.edu rpb->rpb_crb_off = ((ul)rpb_crb) - (ul)rpb; 7597977Shsul@eecs.umich.edu 7607977Shsul@eecs.umich.edu bzero((char *)rpb_crb, sizeof(struct rpb_crb)); 7617977Shsul@eecs.umich.edu /* 7627977Shsul@eecs.umich.edu * console callback stuff (simos) 7637977Shsul@eecs.umich.edu */ 7647977Shsul@eecs.umich.edu 7657977Shsul@eecs.umich.edu rpb_crb->rpb_num = 1; 7667977Shsul@eecs.umich.edu rpb_crb->rpb_mapped_pages = HWRPB_PAGES; 7677977Shsul@eecs.umich.edu rpb_crb->rpb_map[0].rpb_virt = 0x10000000; 7688005Ssaidi@eecs.umich.edu rpb_crb->rpb_map[0].rpb_phys = KSEG_TO_PHYS(((ul)rpb) & ~0x1fff); 7697977Shsul@eecs.umich.edu rpb_crb->rpb_map[0].rpb_pgcount = HWRPB_PAGES; 7707977Shsul@eecs.umich.edu 7717977Shsul@eecs.umich.edu 7728010Ssaidi@eecs.umich.edu printf_lock("Console Callback at 0x%x, fixup at 0x%x, crb offset: 0x%x\n", 7737977Shsul@eecs.umich.edu rpb_crb->rpb_va_disp, 7748010Ssaidi@eecs.umich.edu rpb_crb->rpb_va_fixup, 7758010Ssaidi@eecs.umich.edu rpb->rpb_crb_off); 7767977Shsul@eecs.umich.edu 7777977Shsul@eecs.umich.edu rpb_mdt = (struct _xxm_rpb_mdt *) (((ul)rpb_crb) + sizeof(struct rpb_crb)); 7787977Shsul@eecs.umich.edu rpb->rpb_mdt_off = (ul)rpb_mdt - (ul)rpb; 7797977Shsul@eecs.umich.edu bcopy((char *)&xxm_rpb_mdt, (char *)rpb_mdt, sizeof(struct _xxm_rpb_mdt)); 7807977Shsul@eecs.umich.edu 7817977Shsul@eecs.umich.edu 7827977Shsul@eecs.umich.edu cl = 0; 7837977Shsul@eecs.umich.edu#ifdef undef 7847977Shsul@eecs.umich.edu /* Until Digital Unix can handle it, account all pages below the kernel 7857977Shsul@eecs.umich.edu * as "console" memory. */ 7867977Shsul@eecs.umich.edu rpb_mdt->rpb_cluster[cl].rpb_pfncount = cons_pages; 7877977Shsul@eecs.umich.edu#endif 7887977Shsul@eecs.umich.edu rpb_mdt->rpb_cluster[cl].rpb_pfncount = kern_first_page; 7897977Shsul@eecs.umich.edu cl++; 7907977Shsul@eecs.umich.edu 7917977Shsul@eecs.umich.edu rpb_mdt->rpb_cluster[cl].rpb_pfn = kern_first_page; 7927977Shsul@eecs.umich.edu rpb_mdt->rpb_cluster[cl].rpb_pfncount = mem_pages - kern_first_page; 7937977Shsul@eecs.umich.edu rpb_mdt->rpb_cluster[cl].rpb_pfntested=rpb_mdt->rpb_cluster[cl].rpb_pfncount; 7947977Shsul@eecs.umich.edu rpb_mdt->rpb_cluster[cl].rpb_pa = KSEG_TO_PHYS(mdt_bitmap); 7957977Shsul@eecs.umich.edu rpb_mdt->rpb_cluster[cl].rpb_va = 0x10000000 + HWRPB_PAGES * 8192; 7967977Shsul@eecs.umich.edu cl++; 7977977Shsul@eecs.umich.edu 7987977Shsul@eecs.umich.edu#ifdef undef 7997977Shsul@eecs.umich.edu /* The stupid Unix kernel needs to have all mdt clusters in ascending 8007977Shsul@eecs.umich.edu * order, and the last cluster is used to compute the top of memory. 8017977Shsul@eecs.umich.edu * It can't make use of memory between the console and the kernel. 8027977Shsul@eecs.umich.edu */ 8037977Shsul@eecs.umich.edu rpb_mdt->rpb_cluster[cl].rpb_pfn = cons_pages; 8047977Shsul@eecs.umich.edu rpb_mdt->rpb_cluster[cl].rpb_pfncount = kern_first_page - cons_pages; 8057977Shsul@eecs.umich.edu rpb_mdt->rpb_cluster[cl].rpb_pfntested=rpb_mdt->rpb_cluster[cl].rpb_pfncount; 8067977Shsul@eecs.umich.edu rpb_mdt->rpb_cluster[cl].rpb_pa = KSEG_TO_PHYS(mdt_bitmap); 8077977Shsul@eecs.umich.edu rpb_mdt->rpb_cluster[cl].rpb_va = 0x10000000 + HWRPB_PAGES * 8192; 8087977Shsul@eecs.umich.edu cl++; 8097977Shsul@eecs.umich.edu#endif 8107977Shsul@eecs.umich.edu 8117977Shsul@eecs.umich.edu rpb_mdt->rpb_numcl = cl; 8127977Shsul@eecs.umich.edu 8137977Shsul@eecs.umich.edu for (i = 0; i < cl; i++) 8148009Ssaidi@eecs.umich.edu printf_lock("Memory cluster %d [%d - %d]\n", i, rpb_mdt->rpb_cluster[i].rpb_pfn, rpb_mdt->rpb_cluster[i].rpb_pfncount); 8157977Shsul@eecs.umich.edu 8167977Shsul@eecs.umich.edu 8177977Shsul@eecs.umich.edu 8187977Shsul@eecs.umich.edu /* Checksum the rpb for good luck */ 8197977Shsul@eecs.umich.edu sum = 0; 8207977Shsul@eecs.umich.edu lp1 = (long *)&rpb_mdt->rpb_impaddr; 8217977Shsul@eecs.umich.edu lp2 = (long *)&rpb_mdt->rpb_cluster[cl]; 8227977Shsul@eecs.umich.edu while (lp1 < lp2) sum += *lp1++; 8237977Shsul@eecs.umich.edu rpb_mdt->rpb_checksum = sum; 8247977Shsul@eecs.umich.edu 8257977Shsul@eecs.umich.edu /* XXX should checksum the cluster descriptors */ 8267977Shsul@eecs.umich.edu 8277977Shsul@eecs.umich.edu bzero((char *)mdt_bitmap, MDT_BITMAP_PAGES * 8192); 8287977Shsul@eecs.umich.edu for (i = 0; i < mem_pages/8; i++) ((unsigned char *)mdt_bitmap)[i] = 0xff; 8297977Shsul@eecs.umich.edu 8308009Ssaidi@eecs.umich.edu printf_lock("Initalizing mdt_bitmap addr 0x%x mem_pages %x \n", 8317977Shsul@eecs.umich.edu (long)mdt_bitmap,(long)mem_pages); 8327977Shsul@eecs.umich.edu 8337977Shsul@eecs.umich.edu xxm_rpb.rpb_config_off = 0; 8347977Shsul@eecs.umich.edu xxm_rpb.rpb_fru_off = 0; 8357977Shsul@eecs.umich.edu 8367977Shsul@eecs.umich.edu rpb_dsr = (struct rpb_dsr *) (((ul)rpb_mdt) + sizeof(struct _xxm_rpb_mdt)); 8377977Shsul@eecs.umich.edu rpb->rpb_dsr_off = ((ul)rpb_dsr) - (ul)rpb; 8387977Shsul@eecs.umich.edu bzero((char *)rpb_dsr, sizeof(struct rpb_dsr)); 8397977Shsul@eecs.umich.edu rpb_dsr->rpb_smm = 1578; /* Official XXM SMM number as per SRM */ 8407977Shsul@eecs.umich.edu rpb_dsr->rpb_smm = 1089; /* Official Alcor SMM number as per SRM */ 8417977Shsul@eecs.umich.edu 8427977Shsul@eecs.umich.edu rpb_lurt = (int *) ROUNDUP8(((ul)rpb_dsr) + sizeof(struct rpb_dsr)); 8437977Shsul@eecs.umich.edu rpb_dsr->rpb_lurt_off = ((ul) rpb_lurt) - (ul) rpb_dsr; 8447977Shsul@eecs.umich.edu bcopy((char *)xxm_lurt, (char *)rpb_lurt, sizeof(xxm_lurt)); 8457977Shsul@eecs.umich.edu 8467977Shsul@eecs.umich.edu rpb_name = (char *) ROUNDUP8(((ul)rpb_lurt) + sizeof(xxm_lurt)); 8477977Shsul@eecs.umich.edu rpb_dsr->rpb_sysname_off = ((ul) rpb_name) - (ul) rpb_dsr; 8488004Ssaidi@eecs.umich.edu#define THENAME " M5/Alpha " 8497977Shsul@eecs.umich.edu sum = sizeof(THENAME); 8507977Shsul@eecs.umich.edu bcopy(THENAME, rpb_name, sum); 8517977Shsul@eecs.umich.edu *(ul *)rpb_name = sizeof(THENAME); /* put in length field */ 8527977Shsul@eecs.umich.edu 8537977Shsul@eecs.umich.edu /* calculate size of rpb */ 8547977Shsul@eecs.umich.edu rpb->rpb_size = ((ul) &rpb_name[sum]) - (ul)rpb; 8557977Shsul@eecs.umich.edu 8567977Shsul@eecs.umich.edu if (rpb->rpb_size > 8192*HWRPB_PAGES) { 8577977Shsul@eecs.umich.edu panic("HWRPB_PAGES=%d too small for HWRPB !!! \n"); 8587977Shsul@eecs.umich.edu } 8597977Shsul@eecs.umich.edu 8607977Shsul@eecs.umich.edu 8617977Shsul@eecs.umich.edu { 8627977Shsul@eecs.umich.edu ul *ptr = (ul*)((char*)rpb_dsr + sizeof(struct rpb_dsr )); 8637977Shsul@eecs.umich.edu rpb_crb->rpb_pa_disp = KSEG_TO_PHYS(ptr); 8648010Ssaidi@eecs.umich.edu rpb_crb->rpb_va_disp = 0x10000000 + (((ul)ptr - (ul)rpb) & (0x2000*HWRPB_PAGES-1)); 8658009Ssaidi@eecs.umich.edu printf_lock("ConsoleDispatch at virt %x phys %x val %x\n", 8667977Shsul@eecs.umich.edu rpb_crb->rpb_va_disp, 8677977Shsul@eecs.umich.edu rpb_crb->rpb_pa_disp, 8687977Shsul@eecs.umich.edu consoleCallback); 8697977Shsul@eecs.umich.edu *ptr++ = 0; 8707977Shsul@eecs.umich.edu *ptr++ = (ul) consoleCallback; 8717977Shsul@eecs.umich.edu rpb_crb->rpb_pa_fixup = KSEG_TO_PHYS(ptr); 8728010Ssaidi@eecs.umich.edu rpb_crb->rpb_va_fixup = 0x10000000 + (((ul)ptr - (ul)rpb) & (0x2000*HWRPB_PAGES-1)); 8737977Shsul@eecs.umich.edu *ptr++ = 0; 8748010Ssaidi@eecs.umich.edu 8757977Shsul@eecs.umich.edu *ptr++ = (ul) consoleFixup; 8767977Shsul@eecs.umich.edu } 8777977Shsul@eecs.umich.edu 8787977Shsul@eecs.umich.edu 8797977Shsul@eecs.umich.edu /* Checksum the rpb for good luck */ 8807977Shsul@eecs.umich.edu sum = 0; 8817977Shsul@eecs.umich.edu lp1 = (long *)rpb; 8827977Shsul@eecs.umich.edu lp2 = &rpb->rpb_checksum; 8837977Shsul@eecs.umich.edu while (lp1 < lp2) 8847977Shsul@eecs.umich.edu sum += *lp1++; 8857977Shsul@eecs.umich.edu *lp2 = sum; 8867977Shsul@eecs.umich.edu 8877977Shsul@eecs.umich.edu 8887977Shsul@eecs.umich.edu /* 8897977Shsul@eecs.umich.edu * MP bootstrap 8907977Shsul@eecs.umich.edu */ 8917977Shsul@eecs.umich.edu 8927977Shsul@eecs.umich.edu { 8937977Shsul@eecs.umich.edu int i; 8947977Shsul@eecs.umich.edu for (i=1;i<simosConf.numCPUs;i++) { 8957978Sbinkertn@umich.edu volatile struct AlphaAccess *k1Conf = (volatile struct AlphaAccess *) 8967999Ssaidi@eecs.umich.edu (ALPHA_ACCESS_BASE); 8978009Ssaidi@eecs.umich.edu printf_lock("Bootstraping CPU %d with sp=0x%x \n", 8987977Shsul@eecs.umich.edu i,bootStrapImpure[i]); 8997977Shsul@eecs.umich.edu k1Conf->bootStrapImpure = bootStrapImpure[i]; 9007977Shsul@eecs.umich.edu k1Conf->bootStrapCPU = i; 9017977Shsul@eecs.umich.edu } 9027977Shsul@eecs.umich.edu } 9037977Shsul@eecs.umich.edu 9047977Shsul@eecs.umich.edu /* 9057977Shsul@eecs.umich.edu * Make sure that we are not stepping on the kernel 9067977Shsul@eecs.umich.edu */ 9077977Shsul@eecs.umich.edu if ((ul)unix_boot_mem >= (ul)simosConf.kernStart) { 9087977Shsul@eecs.umich.edu panic("CONSOLE: too much memory. Smashing kernel \n"); 9097977Shsul@eecs.umich.edu } else { 9108009Ssaidi@eecs.umich.edu printf_lock("unix_boot_mem ends at %x \n",unix_boot_mem); 9117977Shsul@eecs.umich.edu } 9127977Shsul@eecs.umich.edu 9137977Shsul@eecs.umich.edu 9147977Shsul@eecs.umich.edu#ifdef undef 9157977Shsul@eecs.umich.edu#define CSERVE_K_JTOKERN 0x18 9167977Shsul@eecs.umich.edu cServe(bootadr, (ul) rpb_percpu, CSERVE_K_JTOKERN, free_pfn); 9177977Shsul@eecs.umich.edu#endif 9187977Shsul@eecs.umich.edu 9197977Shsul@eecs.umich.edu if (go) JToKern(bootadr, rpb_percpu, free_pfn, kargc, kargv, NULL); 9207977Shsul@eecs.umich.edu} 9217977Shsul@eecs.umich.edu 9227977Shsul@eecs.umich.edu 9237977Shsul@eecs.umich.edu#if 0 9247977Shsul@eecs.umich.eduaoutfixup(char *p) 9257977Shsul@eecs.umich.edu{ 9267977Shsul@eecs.umich.edu int i; 9277977Shsul@eecs.umich.edu unsigned long rem, len, off, dst; 9287977Shsul@eecs.umich.edu 9297977Shsul@eecs.umich.edu 9307977Shsul@eecs.umich.edu struct new_aouthdr *ao = (struct new_aouthdr *) &p[NEW_FILHSZ]; 9317977Shsul@eecs.umich.edu#if 0 9327977Shsul@eecs.umich.edu struct scnhdr *s = (struct scnhdr *) &p[FILHSZ + AOUTHSZ]; 9337977Shsul@eecs.umich.edu struct scnhdr *t, *d, *b; 9347977Shsul@eecs.umich.edu printf("aoutfixup: %d sections \n",fh->f_nscns); 9357977Shsul@eecs.umich.edu#endif 9367977Shsul@eecs.umich.edu 9377977Shsul@eecs.umich.edu 9387977Shsul@eecs.umich.edu aout_text_start = ((ul)ao->text_start_hi<<32) + ao->text_start; 9397977Shsul@eecs.umich.edu aout_data_addr = ((ul)ao->data_start_hi<<32) + ao->data_start; 9407977Shsul@eecs.umich.edu aout_bss_addr = ((ul)ao->bss_start_hi<<32) + ao->bss_start; 9417977Shsul@eecs.umich.edu aout_bss_size = ((ul)ao->bsize_hi<<32) + ao->bsize; 9427977Shsul@eecs.umich.edu aout_entry = ((ul)ao->entry_hi<<32) + ao->entry; 9437977Shsul@eecs.umich.edu 9447977Shsul@eecs.umich.edu printf("_text 0x%16x %8d @ %08d\n", aout_text_start, ao->tsize,0 /* t->s_scnptr*/); 9457977Shsul@eecs.umich.edu printf("_data 0x%16x %8d @ %08d\n", aout_data_addr, ao->dsize,0/* d->s_scnptr*/); 9467977Shsul@eecs.umich.edu printf("_bss 0x%16x %8d\n", aout_bss_addr, ao->bsize); 9477977Shsul@eecs.umich.edu printf("entry 0x%16x\n", aout_entry); 9487977Shsul@eecs.umich.edu#if 0 9497977Shsul@eecs.umich.edu for (i = 0; i < fh->f_nscns; i++) { 9507977Shsul@eecs.umich.edu printf("section %d %s \n",i,s[i].s_name); 9517977Shsul@eecs.umich.edu if (!strcmp(s[i].s_name, ".text")) t = &s[i]; 9527977Shsul@eecs.umich.edu else if (!strcmp(s[i].s_name, ".data")) d = &s[i]; 9537977Shsul@eecs.umich.edu else if (!strcmp(s[i].s_name, ".bss")) b = &s[i]; 9547977Shsul@eecs.umich.edu } 9557977Shsul@eecs.umich.edu bcopy(&p[t->s_scnptr], (char *)ao->text_start, ao->tsize); 9567977Shsul@eecs.umich.edu bcopy(&p[d->s_scnptr], (char *)ao->data_start, ao->dsize); 9577977Shsul@eecs.umich.edu#endif 9587977Shsul@eecs.umich.edu} 9597977Shsul@eecs.umich.edu#endif 9607977Shsul@eecs.umich.edu 9617977Shsul@eecs.umich.eduextern ui palJToKern[]; 9627977Shsul@eecs.umich.edu 9637977Shsul@eecs.umich.eduJToKern(bootadr, rpb_percpu, free_pfn, k_argc, k_argv, envp) 9647977Shsul@eecs.umich.educhar * bootadr; 9657977Shsul@eecs.umich.eduul rpb_percpu; 9667977Shsul@eecs.umich.eduul free_pfn; 9677977Shsul@eecs.umich.eduul k_argc; 9687977Shsul@eecs.umich.educhar **k_argv; 9697977Shsul@eecs.umich.educhar **envp; 9707977Shsul@eecs.umich.edu{ 9717977Shsul@eecs.umich.edu struct _kernel_params *kernel_params = (struct _kernel_params *) KSEG; 9727977Shsul@eecs.umich.edu int i; 9737977Shsul@eecs.umich.edu 9748009Ssaidi@eecs.umich.edu printf_lock("k_argc = %d ", k_argc); 9757977Shsul@eecs.umich.edu for (i = 0; i < k_argc; i++) { 9768009Ssaidi@eecs.umich.edu printf_lock("'%s' ", k_argv[i]); 9777977Shsul@eecs.umich.edu } 9788009Ssaidi@eecs.umich.edu printf_lock("\n"); 9797977Shsul@eecs.umich.edu 9807977Shsul@eecs.umich.edu/* rpb_percpu |= 0xfffffc0000000000;*/ 9817977Shsul@eecs.umich.edu kernel_params->bootadr = bootadr; 9827977Shsul@eecs.umich.edu kernel_params->rpb_percpu = KSEG_TO_PHYS(rpb_percpu); 9837977Shsul@eecs.umich.edu kernel_params->free_pfn = free_pfn; 9847977Shsul@eecs.umich.edu kernel_params->argc = k_argc; 9857977Shsul@eecs.umich.edu kernel_params->argv = (ul)k_argv; 9867977Shsul@eecs.umich.edu kernel_params->envp = (ul)envp; 9878009Ssaidi@eecs.umich.edu printf_lock("jumping to kernel at 0x%x, (PCBB 0x%x pfn %d)\n", bootadr, rpb_percpu, free_pfn); 9887977Shsul@eecs.umich.edu jToPal(KSEG_TO_PHYS((ul)palJToKern)); 9898009Ssaidi@eecs.umich.edu printf_lock("returned from jToPal. Looping\n"); 9907977Shsul@eecs.umich.edu while(1) continue; 9917977Shsul@eecs.umich.edu} 9927977Shsul@eecs.umich.edu 9937977Shsul@eecs.umich.edu 9947977Shsul@eecs.umich.eduvoid jToPal(ul bootadr) 9957977Shsul@eecs.umich.edu{ 9967977Shsul@eecs.umich.edu cServe(bootadr, 0, CSERVE_K_JTOPAL); 9977977Shsul@eecs.umich.edu 9987977Shsul@eecs.umich.edu/* 9997977Shsul@eecs.umich.edu * Make sure that floating point is enabled incase 10007977Shsul@eecs.umich.edu * it was disabled by the user program. 10017977Shsul@eecs.umich.edu */ 10027977Shsul@eecs.umich.edu wrfen(1); 10037977Shsul@eecs.umich.edu} 10047977Shsul@eecs.umich.edu 10057977Shsul@eecs.umich.edu 10067977Shsul@eecs.umich.eduint strcpy(char *dst, char *src) 10077977Shsul@eecs.umich.edu{ 10087977Shsul@eecs.umich.edu int i=0; 10097977Shsul@eecs.umich.edu while(*src) { 10107977Shsul@eecs.umich.edu *dst++ = *src++; 10117977Shsul@eecs.umich.edu i++; 10127977Shsul@eecs.umich.edu } 10137977Shsul@eecs.umich.edu return i; 10147977Shsul@eecs.umich.edu} 10157977Shsul@eecs.umich.edu 10167977Shsul@eecs.umich.edu 10177977Shsul@eecs.umich.edu 10187977Shsul@eecs.umich.edu 10197977Shsul@eecs.umich.edu/* ***************************************** 10207977Shsul@eecs.umich.edu * Console I/O 10217977Shsul@eecs.umich.edu * ******************************************/ 10227977Shsul@eecs.umich.edu 10237977Shsul@eecs.umich.eduint numOpenDevices = 11; 10247977Shsul@eecs.umich.edustruct { 10257977Shsul@eecs.umich.edu char name[128]; 10267977Shsul@eecs.umich.edu} deviceState[32]; 10277977Shsul@eecs.umich.edu 10287978Sbinkertn@umich.edu#define BOOTDEVICE_NAME "SCSI 1 0 0 1 100 0" 10297977Shsul@eecs.umich.edu 10307978Sbinkertn@umich.eduvoid 10317978Sbinkertn@umich.eduDeviceOperation(long op, long channel, long count, long address, long block) 10327977Shsul@eecs.umich.edu{ 10337978Sbinkertn@umich.edu struct AlphaAccess *k1Conf = (struct AlphaAccess *) 10347999Ssaidi@eecs.umich.edu (ALPHA_ACCESS_BASE); 10357977Shsul@eecs.umich.edu 10367977Shsul@eecs.umich.edu long pAddr; 10377977Shsul@eecs.umich.edu 10387977Shsul@eecs.umich.edu#if 0 10397977Shsul@eecs.umich.edu printf("Console::DeviceRead count=0x%x address=0x%x block=0x%x\n", 10407977Shsul@eecs.umich.edu count,address,block); 10417977Shsul@eecs.umich.edu#endif 10427977Shsul@eecs.umich.edu 10437977Shsul@eecs.umich.edu if (strcmp(deviceState[channel].name, BOOTDEVICE_NAME )) { 10447977Shsul@eecs.umich.edu panic("DeviceRead: only implemented for root disk \n"); 10457977Shsul@eecs.umich.edu } 10467977Shsul@eecs.umich.edu pAddr = KSEG_TO_PHYS(address); 10477977Shsul@eecs.umich.edu if (pAddr + count > simosConf.mem_size) { 10487977Shsul@eecs.umich.edu panic("DeviceRead: request out of range \n"); 10497977Shsul@eecs.umich.edu } 10507977Shsul@eecs.umich.edu 10517977Shsul@eecs.umich.edu k1Conf->diskCount = count; 10527977Shsul@eecs.umich.edu k1Conf->diskPAddr = pAddr; 10537977Shsul@eecs.umich.edu k1Conf->diskBlock = block; 10547977Shsul@eecs.umich.edu k1Conf->diskOperation = op; /* launch */ 10557977Shsul@eecs.umich.edu} 10567977Shsul@eecs.umich.edu 10577977Shsul@eecs.umich.edu 10587977Shsul@eecs.umich.edu 10597977Shsul@eecs.umich.edu/* ************************************************************************* 10607977Shsul@eecs.umich.edu * SimoS Console callbacks 10617977Shsul@eecs.umich.edu * **************************************************/ 10627977Shsul@eecs.umich.edu 10637977Shsul@eecs.umich.edu/* AXP manual 2-31 */ 10647977Shsul@eecs.umich.edu#define CONSCB_GETC 0x1 10657977Shsul@eecs.umich.edu#define CONSCB_PUTS 0x2 10667977Shsul@eecs.umich.edu#define CONSCB_RESET_TERM 0x3 10677977Shsul@eecs.umich.edu#define CONSCB_SET_TERM_INT 0x4 10687977Shsul@eecs.umich.edu#define CONSCB_SET_TERM_CTL 0x5 10697977Shsul@eecs.umich.edu#define CONSCB_PROCESS_KEY 0x6 10707982Ssaidi@eecs.umich.edu#define CONSCB_OPEN_CONSOLE 0x7 10717982Ssaidi@eecs.umich.edu#define CONSCB_CLOSE_CONSOLE 0x8 10727977Shsul@eecs.umich.edu 10737977Shsul@eecs.umich.edu#define CONSCB_OPEN 0x10 10747977Shsul@eecs.umich.edu#define CONSCB_CLOSE 0x11 10757977Shsul@eecs.umich.edu#define CONSCB_READ 0x13 10767977Shsul@eecs.umich.edu 10777977Shsul@eecs.umich.edu#define CONSCB_GETENV 0x22 10787977Shsul@eecs.umich.edu 10797977Shsul@eecs.umich.edu/* AXP manual 2-26 */ 10807978Sbinkertn@umich.edu#define ENV_AUTO_ACTION 0X01 10817978Sbinkertn@umich.edu#define ENV_BOOT_DEV 0X02 10827978Sbinkertn@umich.edu#define ENV_BOOTDEF_DEV 0X03 10837978Sbinkertn@umich.edu#define ENV_BOOTED_DEV 0X04 10847978Sbinkertn@umich.edu#define ENV_BOOT_FILE 0X05 10857978Sbinkertn@umich.edu#define ENV_BOOTED_FILE 0X06 10867978Sbinkertn@umich.edu#define ENV_BOOT_OSFLAGS 0X07 10877978Sbinkertn@umich.edu#define ENV_BOOTED_OSFLAGS 0X08 10887978Sbinkertn@umich.edu#define ENV_BOOT_RESET 0X09 10897978Sbinkertn@umich.edu#define ENV_DUMP_DEV 0X0A 10907978Sbinkertn@umich.edu#define ENV_ENABLE_AUDIT 0X0B 10917978Sbinkertn@umich.edu#define ENV_LICENSE 0X0C 10927978Sbinkertn@umich.edu#define ENV_CHAR_SET 0X0D 10937978Sbinkertn@umich.edu#define ENV_LANGUAGE 0X0E 10947978Sbinkertn@umich.edu#define ENV_TTY_DEV 0X0F 10957978Sbinkertn@umich.edu#define ENV_SCSIID 0X42 10967978Sbinkertn@umich.edu#define ENV_SCSIFAST 0X43 10977978Sbinkertn@umich.edu#define ENV_COM1_BAUD 0X44 10987978Sbinkertn@umich.edu#define ENV_COM1_MODEM 0X45 10997978Sbinkertn@umich.edu#define ENV_COM1_FLOW 0X46 11007978Sbinkertn@umich.edu#define ENV_COM1_MISC 0X47 11017978Sbinkertn@umich.edu#define ENV_COM2_BAUD 0X48 11027978Sbinkertn@umich.edu#define ENV_COM2_MODEM 0X49 11037978Sbinkertn@umich.edu#define ENV_COM2_FLOW 0X4A 11047978Sbinkertn@umich.edu#define ENV_COM2_MISC 0X4B 11057978Sbinkertn@umich.edu#define ENV_PASSWORD 0X4C 11067978Sbinkertn@umich.edu#define ENV_SECURE 0X4D 11077978Sbinkertn@umich.edu#define ENV_LOGFAIL 0X4E 11087978Sbinkertn@umich.edu#define ENV_SRM2DEV_ID 0X4F 11097977Shsul@eecs.umich.edu 11107978Sbinkertn@umich.edu#define MAX_ENVLEN 32 11117977Shsul@eecs.umich.edu 11127979Sbinkertn@umich.educhar env_auto_action[MAX_ENVLEN] = "BOOT"; 11137978Sbinkertn@umich.educhar env_boot_dev[MAX_ENVLEN] = ""; 11147978Sbinkertn@umich.educhar env_bootdef_dev[MAX_ENVLEN] = ""; 11157979Sbinkertn@umich.educhar env_booted_dev[MAX_ENVLEN] = BOOTDEVICE_NAME; 11167978Sbinkertn@umich.educhar env_boot_file[MAX_ENVLEN] = ""; 11177978Sbinkertn@umich.educhar env_booted_file[MAX_ENVLEN] = ""; 11187978Sbinkertn@umich.educhar env_boot_osflags[MAX_ENVLEN] = ""; 11197979Sbinkertn@umich.educhar env_booted_osflags[MAX_ENVLEN] = ""; 11207978Sbinkertn@umich.educhar env_boot_reset[MAX_ENVLEN] = ""; 11217978Sbinkertn@umich.educhar env_dump_dev[MAX_ENVLEN] = ""; 11227978Sbinkertn@umich.educhar env_enable_audit[MAX_ENVLEN] = ""; 11237978Sbinkertn@umich.educhar env_license[MAX_ENVLEN] = ""; 11247978Sbinkertn@umich.educhar env_char_set[MAX_ENVLEN] = ""; 11257979Sbinkertn@umich.educhar env_language[MAX_ENVLEN] = ""; 11267979Sbinkertn@umich.educhar env_tty_dev[MAX_ENVLEN] = "0"; 11277978Sbinkertn@umich.educhar env_scsiid[MAX_ENVLEN] = ""; 11287978Sbinkertn@umich.educhar env_scsifast[MAX_ENVLEN] = ""; 11297979Sbinkertn@umich.educhar env_com1_baud[MAX_ENVLEN] = ""; 11307978Sbinkertn@umich.educhar env_com1_modem[MAX_ENVLEN] = ""; 11317978Sbinkertn@umich.educhar env_com1_flow[MAX_ENVLEN] = ""; 11327978Sbinkertn@umich.educhar env_com1_misc[MAX_ENVLEN] = ""; 11337978Sbinkertn@umich.educhar env_com2_baud[MAX_ENVLEN] = ""; 11347978Sbinkertn@umich.educhar env_com2_modem[MAX_ENVLEN] = ""; 11357978Sbinkertn@umich.educhar env_com2_flow[MAX_ENVLEN] = ""; 11367978Sbinkertn@umich.educhar env_com2_misc[MAX_ENVLEN] = ""; 11377978Sbinkertn@umich.educhar env_password[MAX_ENVLEN] = ""; 11387979Sbinkertn@umich.educhar env_secure[MAX_ENVLEN] = ""; 11397978Sbinkertn@umich.educhar env_logfail[MAX_ENVLEN] = ""; 11407978Sbinkertn@umich.educhar env_srm2dev_id[MAX_ENVLEN] = ""; 11417979Sbinkertn@umich.edu 11427979Sbinkertn@umich.edu#define MAX_ENV_INDEX 100 11437979Sbinkertn@umich.educhar *env_ptr[MAX_ENV_INDEX] = 11447979Sbinkertn@umich.edu{ 11457979Sbinkertn@umich.edu 0, /* 0x00 */ 11467979Sbinkertn@umich.edu env_auto_action, /* 0x01 */ 11477979Sbinkertn@umich.edu env_boot_dev, /* 0x02 */ 11487979Sbinkertn@umich.edu env_bootdef_dev, /* 0x03 */ 11497979Sbinkertn@umich.edu env_booted_dev, /* 0x04 */ 11507979Sbinkertn@umich.edu env_boot_file, /* 0x05 */ 11517979Sbinkertn@umich.edu env_booted_file, /* 0x06 */ 11527979Sbinkertn@umich.edu env_boot_osflags, /* 0x07 */ 11537979Sbinkertn@umich.edu env_booted_osflags, /* 0x08 */ 11547979Sbinkertn@umich.edu env_boot_reset, /* 0x09 */ 11557979Sbinkertn@umich.edu env_dump_dev, /* 0x0A */ 11567979Sbinkertn@umich.edu env_enable_audit, /* 0x0B */ 11577979Sbinkertn@umich.edu env_license, /* 0x0C */ 11587979Sbinkertn@umich.edu env_char_set, /* 0x0D */ 11597979Sbinkertn@umich.edu (char *)&env_language, /* 0x0E */ 11607979Sbinkertn@umich.edu env_tty_dev, /* 0x0F */ 11617979Sbinkertn@umich.edu 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, /* 0x10 - 0x1F */ 11627979Sbinkertn@umich.edu 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, /* 0x20 - 0x2F */ 11637979Sbinkertn@umich.edu 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, /* 0x30 - 0x3F */ 11647979Sbinkertn@umich.edu 0, /* 0x40 */ 11657979Sbinkertn@umich.edu 0, /* 0x41 */ 11667979Sbinkertn@umich.edu env_scsiid, /* 0x42 */ 11677979Sbinkertn@umich.edu env_scsifast, /* 0x43 */ 11687979Sbinkertn@umich.edu env_com1_baud, /* 0x44 */ 11697979Sbinkertn@umich.edu env_com1_modem, /* 0x45 */ 11707979Sbinkertn@umich.edu env_com1_flow, /* 0x46 */ 11717979Sbinkertn@umich.edu env_com1_misc, /* 0x47 */ 11727979Sbinkertn@umich.edu env_com2_baud, /* 0x48 */ 11737979Sbinkertn@umich.edu env_com2_modem, /* 0x49 */ 11747979Sbinkertn@umich.edu env_com2_flow, /* 0x4A */ 11757979Sbinkertn@umich.edu env_com2_misc, /* 0x4B */ 11767979Sbinkertn@umich.edu env_password, /* 0x4C */ 11777979Sbinkertn@umich.edu env_secure, /* 0x4D */ 11787979Sbinkertn@umich.edu env_logfail, /* 0x4E */ 11797979Sbinkertn@umich.edu env_srm2dev_id, /* 0x4F */ 11807979Sbinkertn@umich.edu 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, /* 0x50 - 0x5F */ 11817979Sbinkertn@umich.edu 0, /* 0x60 */ 11827979Sbinkertn@umich.edu 0, /* 0x61 */ 11837979Sbinkertn@umich.edu 0, /* 0x62 */ 11847979Sbinkertn@umich.edu 0, /* 0x63 */ 11857979Sbinkertn@umich.edu}; 11867978Sbinkertn@umich.edu 11877978Sbinkertn@umich.edulong 11887978Sbinkertn@umich.eduCallBackDispatcher(long a0, long a1, long a2, long a3, long a4) 11897977Shsul@eecs.umich.edu{ 11907978Sbinkertn@umich.edu long i; 11917977Shsul@eecs.umich.edu switch (a0) { 11927978Sbinkertn@umich.edu case CONSCB_GETC: 11937981Sbinkertn@umich.edu return GetChar(); 11947978Sbinkertn@umich.edu 11957977Shsul@eecs.umich.edu case CONSCB_PUTS: 11967981Sbinkertn@umich.edu for(i = 0; i < a3; i++) 11977982Ssaidi@eecs.umich.edu PutChar(*((char *)a2+i)); 11987977Shsul@eecs.umich.edu return a3; 11997978Sbinkertn@umich.edu 12007977Shsul@eecs.umich.edu case CONSCB_GETENV: 12017979Sbinkertn@umich.edu if (a1 >= 0 && a1 < MAX_ENV_INDEX && env_ptr[a1] != 0 && *env_ptr[a1]) { 12027979Sbinkertn@umich.edu i = strcpy((char*)a2, env_ptr[a1]); 12037979Sbinkertn@umich.edu } else { 12047979Sbinkertn@umich.edu strcpy((char*)a2, ""); 12057979Sbinkertn@umich.edu i = (long)0xc000000000000000; 12067979Sbinkertn@umich.edu if (a1 >= 0 && a1 < MAX_ENV_INDEX) 12078009Ssaidi@eecs.umich.edu printf_lock("GETENV unsupported option %d (0x%x)\n", a1, a1); 12087979Sbinkertn@umich.edu else 12098009Ssaidi@eecs.umich.edu printf_lock("GETENV unsupported option %s\n", a1); 12107979Sbinkertn@umich.edu } 12117978Sbinkertn@umich.edu 12127979Sbinkertn@umich.edu if (i > a3) 12137979Sbinkertn@umich.edu panic("CONSCB_GETENV overwrote buffer\n"); 12147979Sbinkertn@umich.edu return i; 12157978Sbinkertn@umich.edu 12167977Shsul@eecs.umich.edu case CONSCB_OPEN: 12177977Shsul@eecs.umich.edu bcopy((char*)a1,deviceState[numOpenDevices].name,a2); 12187977Shsul@eecs.umich.edu deviceState[numOpenDevices].name[a2] = '\0'; 12198009Ssaidi@eecs.umich.edu printf_lock("CONSOLE OPEN : %s --> success \n", 12207977Shsul@eecs.umich.edu deviceState[numOpenDevices].name); 12217977Shsul@eecs.umich.edu return numOpenDevices++; 12227977Shsul@eecs.umich.edu 12237977Shsul@eecs.umich.edu case CONSCB_READ: 12247977Shsul@eecs.umich.edu DeviceOperation(a0,a1,a2,a3,a4); 12257977Shsul@eecs.umich.edu break; 12267979Sbinkertn@umich.edu 12277977Shsul@eecs.umich.edu case CONSCB_CLOSE: 12287977Shsul@eecs.umich.edu break; 12297982Ssaidi@eecs.umich.edu case CONSCB_OPEN_CONSOLE: 12308009Ssaidi@eecs.umich.edu printf_lock("CONSOLE OPEN\n"); 12317982Ssaidi@eecs.umich.edu return 0; /* success */ 12327982Ssaidi@eecs.umich.edu break; /* not rearched */ 12337982Ssaidi@eecs.umich.edu case CONSCB_CLOSE_CONSOLE: 12348009Ssaidi@eecs.umich.edu printf_lock("CONSOLE CLOSE\n"); 12357982Ssaidi@eecs.umich.edu return 0; /* success */ 12367982Ssaidi@eecs.umich.edu break; /* not reached */ 12377979Sbinkertn@umich.edu 12387977Shsul@eecs.umich.edu default: 12397979Sbinkertn@umich.edu panic("cher (%x,%x,%x,%x)\n", a0, a1, a2, a3); 12407977Shsul@eecs.umich.edu } 12417979Sbinkertn@umich.edu 12427977Shsul@eecs.umich.edu return 0; 12437977Shsul@eecs.umich.edu} 12447977Shsul@eecs.umich.edu 12457977Shsul@eecs.umich.edulong CallBackFixup(int a0, int a1, int a2) 12467977Shsul@eecs.umich.edu{ 12477985Ssaidi@eecs.umich.edu long temp; 12487985Ssaidi@eecs.umich.edu /* Linux uses r8 for the current pointer (pointer to data structure 12497985Ssaidi@eecs.umich.edu contating info about currently running process). It is set when the 12507985Ssaidi@eecs.umich.edu kernel starts and is expected to remain there... Problem is that the 12517985Ssaidi@eecs.umich.edu unlike the kernel, the console does not prevent the assembler from 12527985Ssaidi@eecs.umich.edu using r8. So here is a work around. So far this has only been a problem 12537985Ssaidi@eecs.umich.edu in CallBackFixup() but any other call back functions could cause a problem 12547985Ssaidi@eecs.umich.edu at some point */ 12557985Ssaidi@eecs.umich.edu 12567985Ssaidi@eecs.umich.edu /* save off the current pointer to a temp variable */ 12577985Ssaidi@eecs.umich.edu asm("bis $8, $31, %0" : "=r" (temp)); 12587985Ssaidi@eecs.umich.edu 12597985Ssaidi@eecs.umich.edu /* call original code */ 12608009Ssaidi@eecs.umich.edu printf_lock("CallbackFixup %x %x, t7=%x\n",a0,a1,temp); 12617985Ssaidi@eecs.umich.edu 12627985Ssaidi@eecs.umich.edu /* restore the current pointer */ 12637985Ssaidi@eecs.umich.edu asm("bis %0, $31, $8" : : "r" (temp) : "$8"); 12647977Shsul@eecs.umich.edu 12657977Shsul@eecs.umich.edu#if 0 12667977Shsul@eecs.umich.edu if (first[FIRST(a1)]==0) { 12677977Shsul@eecs.umich.edu first[FIRST(a1)] = KPTE(PFN(reservedFixup)); 12687977Shsul@eecs.umich.edu } else { 12697977Shsul@eecs.umich.edu panic("CallBakcfixup\n"); 12707977Shsul@eecs.umich.edu } 12717977Shsul@eecs.umich.edu second[SECOND(a1)] = KPTE(PFN(third_rpb)); /* Region 0 */ 12727977Shsul@eecs.umich.edu printf("Fixup: FISRT(a1)=0x%x SECOND(a1)=0x%x THIRD(a1)=0x%x\n", 12737977Shsul@eecs.umich.edu FIRST(a1),SECOND(a1),THIRD(a1)); 12747977Shsul@eecs.umich.edu 12757977Shsul@eecs.umich.edu#endif 12767977Shsul@eecs.umich.edu return 0; 12777977Shsul@eecs.umich.edu} 12787977Shsul@eecs.umich.edu 12797977Shsul@eecs.umich.edu 12807977Shsul@eecs.umich.edu 12817977Shsul@eecs.umich.edu 12827977Shsul@eecs.umich.edu 12837977Shsul@eecs.umich.eduvoid SlaveCmd(int cpu, struct rpb_percpu *my_rpb) 12847977Shsul@eecs.umich.edu{ 12857977Shsul@eecs.umich.edu/* extern void palJToSlave[]; */ 12867977Shsul@eecs.umich.edu extern unsigned int palJToSlave[]; 12877977Shsul@eecs.umich.edu 12888009Ssaidi@eecs.umich.edu printf_lock("Slave CPU %d console command %s", cpu,my_rpb->rpb_iccb.iccb_rxbuf); 12897977Shsul@eecs.umich.edu 12907977Shsul@eecs.umich.edu my_rpb->rpb_state |= STATE_BIP; 12917977Shsul@eecs.umich.edu my_rpb->rpb_state &= ~STATE_RC; 12927977Shsul@eecs.umich.edu 12938009Ssaidi@eecs.umich.edu printf_lock("SlaveCmd: restart %x %x vptb %x my_rpb %x my_rpb_phys %x\n", 12947977Shsul@eecs.umich.edu rpb->rpb_restart, 12957977Shsul@eecs.umich.edu rpb->rpb_restart_pv, 12967977Shsul@eecs.umich.edu rpb->rpb_vptb, my_rpb, 12977977Shsul@eecs.umich.edu KSEG_TO_PHYS(my_rpb)); 12987977Shsul@eecs.umich.edu 12997977Shsul@eecs.umich.edu cServe(KSEG_TO_PHYS((ul)palJToSlave), 13007977Shsul@eecs.umich.edu (ul)rpb->rpb_restart, 13017977Shsul@eecs.umich.edu CSERVE_K_JTOPAL, 13027977Shsul@eecs.umich.edu rpb->rpb_restart_pv, 13037977Shsul@eecs.umich.edu rpb->rpb_vptb, 13047977Shsul@eecs.umich.edu KSEG_TO_PHYS(my_rpb)); 13058004Ssaidi@eecs.umich.edu 13068004Ssaidi@eecs.umich.edu panic("SlaveCmd returned \n"); 13077977Shsul@eecs.umich.edu} 13087977Shsul@eecs.umich.edu 13097977Shsul@eecs.umich.eduvoid SlaveLoop( int cpu) 13107977Shsul@eecs.umich.edu{ 13117977Shsul@eecs.umich.edu int size = ROUNDUP128(sizeof(struct rpb_percpu)); 13127977Shsul@eecs.umich.edu struct rpb_percpu *my_rpb = (struct rpb_percpu*) 13137977Shsul@eecs.umich.edu ((ul)rpb_percpu + size*cpu); 13147977Shsul@eecs.umich.edu 13157977Shsul@eecs.umich.edu if (cpu==0) { 13167977Shsul@eecs.umich.edu panic("CPU�0 entering slaveLoop. Reenetering the console. HOSED \n"); 13177977Shsul@eecs.umich.edu } else { 13188009Ssaidi@eecs.umich.edu printf_lock("Entering slaveloop for cpu %d my_rpb=%x \n",cpu,my_rpb); 13197977Shsul@eecs.umich.edu } 13208004Ssaidi@eecs.umich.edu 13218004Ssaidi@eecs.umich.edu // swap the processors context to the one in the 13228004Ssaidi@eecs.umich.edu // rpb_percpu struct very carefully (i.e. no stack usage) 13238004Ssaidi@eecs.umich.edu // so that linux knows which processor ends up in __smp_callin 13248004Ssaidi@eecs.umich.edu // and we don't trash any data is the process 13258004Ssaidi@eecs.umich.edu SlaveSpin(cpu,my_rpb,&my_rpb->rpb_iccb.iccb_rxlen); 13267977Shsul@eecs.umich.edu} 1327