console.c revision 8028
18012Ssaidi@eecs.umich.edu/* 28013Sbinkertn@umich.edu * Copyright (c) 2003, 2004 38013Sbinkertn@umich.edu * The Regents of The University of Michigan 48013Sbinkertn@umich.edu * All Rights Reserved 58013Sbinkertn@umich.edu * 68026Ssaidi@eecs.umich.edu * This code is part of the M5 simulator. 78013Sbinkertn@umich.edu * 88013Sbinkertn@umich.edu * Permission is granted to use, copy, create derivative works and 98013Sbinkertn@umich.edu * redistribute this software and such derivative works for any purpose, 108013Sbinkertn@umich.edu * so long as the copyright notice above, this grant of permission, and 118013Sbinkertn@umich.edu * the disclaimer below appear in all copies made; and so long as the 128013Sbinkertn@umich.edu * name of The University of Michigan is not used in any advertising or 138013Sbinkertn@umich.edu * publicity pertaining to the use or distribution of this software 148013Sbinkertn@umich.edu * without specific, written prior authorization. 158013Sbinkertn@umich.edu * 168013Sbinkertn@umich.edu * THIS SOFTWARE IS PROVIDED AS IS, WITHOUT REPRESENTATION FROM THE 178013Sbinkertn@umich.edu * UNIVERSITY OF MICHIGAN AS TO ITS FITNESS FOR ANY PURPOSE, AND WITHOUT 188013Sbinkertn@umich.edu * WARRANTY BY THE UNIVERSITY OF MICHIGAN OF ANY KIND, EITHER EXPRESS OR 198013Sbinkertn@umich.edu * IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF 208013Sbinkertn@umich.edu * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE REGENTS OF 218013Sbinkertn@umich.edu * THE UNIVERSITY OF MICHIGAN SHALL NOT BE LIABLE FOR ANY DAMAGES, 228013Sbinkertn@umich.edu * INCLUDING DIRECT, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL 238013Sbinkertn@umich.edu * DAMAGES, WITH RESPECT TO ANY CLAIM ARISING OUT OF OR IN CONNECTION 248013Sbinkertn@umich.edu * WITH THE USE OF THE SOFTWARE, EVEN IF IT HAS BEEN OR IS HEREAFTER 258013Sbinkertn@umich.edu * ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. 268026Ssaidi@eecs.umich.edu * 278026Ssaidi@eecs.umich.edu * Modified for M5 by: Ali G. Saidi 288026Ssaidi@eecs.umich.edu * Nathan L. Binkert 298013Sbinkertn@umich.edu */ 307977Shsul@eecs.umich.edu 318013Sbinkertn@umich.edu/* 328013Sbinkertn@umich.edu * Copyright 1993 Hewlett-Packard Development Company, L.P. 338013Sbinkertn@umich.edu * 348013Sbinkertn@umich.edu * Permission is hereby granted, free of charge, to any person 358013Sbinkertn@umich.edu * obtaining a copy of this software and associated documentation 368013Sbinkertn@umich.edu * files (the "Software"), to deal in the Software without 378013Sbinkertn@umich.edu * restriction, including without limitation the rights to use, copy, 388013Sbinkertn@umich.edu * modify, merge, publish, distribute, sublicense, and/or sell copies 398013Sbinkertn@umich.edu * of the Software, and to permit persons to whom the Software is 408013Sbinkertn@umich.edu * furnished to do so, subject to the following conditions: 418013Sbinkertn@umich.edu * 428013Sbinkertn@umich.edu * The above copyright notice and this permission notice shall be 438013Sbinkertn@umich.edu * included in all copies or substantial portions of the Software. 448013Sbinkertn@umich.edu * 458013Sbinkertn@umich.edu * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 468013Sbinkertn@umich.edu * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 478013Sbinkertn@umich.edu * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 488013Sbinkertn@umich.edu * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 498013Sbinkertn@umich.edu * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 508013Sbinkertn@umich.edu * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 518013Sbinkertn@umich.edu * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 528013Sbinkertn@umich.edu * SOFTWARE. 538013Sbinkertn@umich.edu */ 547977Shsul@eecs.umich.edu 557977Shsul@eecs.umich.edu/* ****************************************** 568013Sbinkertn@umich.edu * M5 Console 577977Shsul@eecs.umich.edu * ******************************************/ 587977Shsul@eecs.umich.edu 598013Sbinkertn@umich.edu#include <linux/stddef.h> 608013Sbinkertn@umich.edu#include <sys/types.h> 617978Sbinkertn@umich.edu 627978Sbinkertn@umich.edu#define CONSOLE 638028Sblakeg@umich.edu#include "access.h" 648013Sbinkertn@umich.edu#include "cserve.h" 657977Shsul@eecs.umich.edu#include "rpb.h" 667977Shsul@eecs.umich.edu 677977Shsul@eecs.umich.edu#define CONS_INT_TX 0x01 /* interrupt enable / state bits */ 687977Shsul@eecs.umich.edu#define CONS_INT_RX 0x02 697977Shsul@eecs.umich.edu 708013Sbinkertn@umich.edu#define PAGE_SIZE (8192) 718013Sbinkertn@umich.edu 728018Smserrano@umich.edu#define KSTACK_REGION_VA 0x20040000 738018Smserrano@umich.edu 747977Shsul@eecs.umich.edu#define KSEG 0xfffffc0000000000 757977Shsul@eecs.umich.edu#define K1BASE 0xfffffc8000000000 768013Sbinkertn@umich.edu#define KSEG_TO_PHYS(x) (((ulong)x) & ~KSEG) 777977Shsul@eecs.umich.edu 788013Sbinkertn@umich.edu#define ROUNDUP8(x) ((ulong)(((ulong)x)+7) & ~7) 798013Sbinkertn@umich.edu#define ROUNDUP128(x) ((ulong)(((ulong)x) + 127) & ~127) 808013Sbinkertn@umich.edu#define ROUNDUP8K(x) ((ulong)(((ulong)(x)) + 8191) & ~8191) 817977Shsul@eecs.umich.edu 828013Sbinkertn@umich.edu#define FIRST(x) ((((ulong)(x)) >> 33) & 0x3ff) 838013Sbinkertn@umich.edu#define SECOND(x) ((((ulong)(x)) >> 23) & 0x3ff) 848013Sbinkertn@umich.edu#define THIRD(x) ((((ulong)(x)) >> 13) & 0x3ff) 858013Sbinkertn@umich.edu#define THIRD_XXX(x) ((((ulong)(x)) >> 13) & 0xfff) 868013Sbinkertn@umich.edu#define PFN(x) ((((ulong)(x) & ~KSEG) >> 13)) 877977Shsul@eecs.umich.edu 887977Shsul@eecs.umich.edu/* Kernel write | kernel read | valid */ 898013Sbinkertn@umich.edu#define KPTE(x) ((ulong)((((ulong)(x)) << 32) | 0x1101)) 907977Shsul@eecs.umich.edu 918010Ssaidi@eecs.umich.edu#define HWRPB_PAGES 16 927977Shsul@eecs.umich.edu 937977Shsul@eecs.umich.edu#define NUM_KERNEL_THIRD (4) 947977Shsul@eecs.umich.edu 958013Sbinkertn@umich.edu#define printf_lock(args...) \ 968013Sbinkertn@umich.edu do { \ 978013Sbinkertn@umich.edu SpinLock(&theLock); \ 988013Sbinkertn@umich.edu printf(args); \ 998013Sbinkertn@umich.edu SpinUnlock(&theLock); \ 1008009Ssaidi@eecs.umich.edu } while (0) 1018009Ssaidi@eecs.umich.edu 1027977Shsul@eecs.umich.edu 1038016Sbinkertn@umich.eduvoid unixBoot(int argc, char **argv); 1048013Sbinkertn@umich.eduvoid JToKern(char *bootadr, ulong rpb_percpu, ulong free_pfn, ulong k_argc, 1058013Sbinkertn@umich.edu char **k_argv, char **envp); 1068013Sbinkertn@umich.eduvoid JToPal(ulong bootadr); 1077977Shsul@eecs.umich.eduvoid SlaveLoop(int cpu); 1087977Shsul@eecs.umich.edu 1098015Sbinkertn@umich.eduvolatile struct AlphaAccess *m5AlphaAccess; 1108013Sbinkertn@umich.edustruct AlphaAccess m5Conf; 1117977Shsul@eecs.umich.edu 1128013Sbinkertn@umich.eduulong theLock; 1137977Shsul@eecs.umich.edu 1148013Sbinkertn@umich.eduextern void SpinLock(ulong *lock); 1157977Shsul@eecs.umich.edu#define SpinUnlock(_x) *(_x) = 0; 1167977Shsul@eecs.umich.edu 1177977Shsul@eecs.umich.edustruct _kernel_params { 1188013Sbinkertn@umich.edu char *bootadr; 1198013Sbinkertn@umich.edu ulong rpb_percpu; 1208013Sbinkertn@umich.edu ulong free_pfn; 1218013Sbinkertn@umich.edu ulong argc; 1228013Sbinkertn@umich.edu ulong argv; 1238013Sbinkertn@umich.edu ulong envp; /* NULL */ 1247977Shsul@eecs.umich.edu}; 1257977Shsul@eecs.umich.edu 1267977Shsul@eecs.umich.eduextern consoleCallback[]; 1277977Shsul@eecs.umich.eduextern consoleFixup[]; 1287977Shsul@eecs.umich.edulong CallBackDispatcher(); 1297977Shsul@eecs.umich.edulong CallBackFixup(); 1307977Shsul@eecs.umich.edu 1317977Shsul@eecs.umich.edu/* 1328013Sbinkertn@umich.edu * m5 console output 1337977Shsul@eecs.umich.edu */ 1347977Shsul@eecs.umich.edu 1358013Sbinkertn@umich.eduvoid 1368013Sbinkertn@umich.eduInitConsole() 1377977Shsul@eecs.umich.edu{ 1387977Shsul@eecs.umich.edu} 1397977Shsul@eecs.umich.edu 1408013Sbinkertn@umich.educhar 1418013Sbinkertn@umich.eduGetChar() 1427978Sbinkertn@umich.edu{ 1438015Sbinkertn@umich.edu return m5AlphaAccess->inputChar; 1447978Sbinkertn@umich.edu} 1457978Sbinkertn@umich.edu 1468013Sbinkertn@umich.eduvoid 1478013Sbinkertn@umich.eduPutChar(char c) 1487977Shsul@eecs.umich.edu{ 1498015Sbinkertn@umich.edu m5AlphaAccess->outputChar = c; 1507977Shsul@eecs.umich.edu} 1517977Shsul@eecs.umich.edu 1527978Sbinkertn@umich.eduint 1537978Sbinkertn@umich.edupassArgs(int argc) 1548013Sbinkertn@umich.edu{ 1558013Sbinkertn@umich.edu return 0; 1568013Sbinkertn@umich.edu} 1577977Shsul@eecs.umich.edu 1587978Sbinkertn@umich.eduint 1597977Shsul@eecs.umich.edumain(int argc, char **argv) 1607977Shsul@eecs.umich.edu{ 1618013Sbinkertn@umich.edu int x, i; 1628013Sbinkertn@umich.edu uint *k1ptr, *ksegptr; 1637977Shsul@eecs.umich.edu 1648013Sbinkertn@umich.edu InitConsole(); 1658015Sbinkertn@umich.edu printf_lock("M5 console: m5AlphaAccess @ 0x%x\n", m5AlphaAccess); 1667977Shsul@eecs.umich.edu 1678013Sbinkertn@umich.edu /* 1688013Sbinkertn@umich.edu * get configuration from backdoor 1698013Sbinkertn@umich.edu */ 1708015Sbinkertn@umich.edu m5Conf.last_offset = m5AlphaAccess->last_offset; 1718013Sbinkertn@umich.edu printf_lock("Got Configuration %d\n", m5Conf.last_offset); 1728001Ssaidi@eecs.umich.edu 1738015Sbinkertn@umich.edu m5Conf.last_offset = m5AlphaAccess->last_offset; 1748015Sbinkertn@umich.edu m5Conf.version = m5AlphaAccess->version; 1758015Sbinkertn@umich.edu m5Conf.numCPUs = m5AlphaAccess->numCPUs; 1768015Sbinkertn@umich.edu m5Conf.intrClockFrequency = m5AlphaAccess->intrClockFrequency; 1778015Sbinkertn@umich.edu m5Conf.cpuClock = m5AlphaAccess->cpuClock; 1788015Sbinkertn@umich.edu m5Conf.mem_size = m5AlphaAccess->mem_size; 1798015Sbinkertn@umich.edu m5Conf.kernStart = m5AlphaAccess->kernStart; 1808015Sbinkertn@umich.edu m5Conf.kernEnd = m5AlphaAccess->kernEnd; 1818015Sbinkertn@umich.edu m5Conf.entryPoint = m5AlphaAccess->entryPoint; 1828015Sbinkertn@umich.edu m5Conf.diskUnit = m5AlphaAccess->diskUnit; 1838015Sbinkertn@umich.edu m5Conf.diskCount = m5AlphaAccess->diskCount; 1848015Sbinkertn@umich.edu m5Conf.diskPAddr = m5AlphaAccess->diskPAddr; 1858015Sbinkertn@umich.edu m5Conf.diskBlock = m5AlphaAccess->diskBlock; 1868015Sbinkertn@umich.edu m5Conf.diskOperation = m5AlphaAccess->diskOperation; 1878015Sbinkertn@umich.edu m5Conf.outputChar = m5AlphaAccess->outputChar; 1888015Sbinkertn@umich.edu m5Conf.inputChar = m5AlphaAccess->inputChar; 1897977Shsul@eecs.umich.edu 1908013Sbinkertn@umich.edu if (m5Conf.version != ALPHA_ACCESS_VERSION) { 1918013Sbinkertn@umich.edu panic("Console version mismatch. Console expects %d. has %d \n", 1928013Sbinkertn@umich.edu ALPHA_ACCESS_VERSION, m5Conf.version); 1938013Sbinkertn@umich.edu } 1947977Shsul@eecs.umich.edu 1958013Sbinkertn@umich.edu /* 1968013Sbinkertn@umich.edu * setup arguments to kernel 1978013Sbinkertn@umich.edu */ 1988016Sbinkertn@umich.edu unixBoot(argc, argv); 1997977Shsul@eecs.umich.edu 2008016Sbinkertn@umich.edu panic("unix failed to boot\n"); 2018016Sbinkertn@umich.edu return 1; 2027977Shsul@eecs.umich.edu} 2037977Shsul@eecs.umich.edu 2047977Shsul@eecs.umich.edu/* 2057977Shsul@eecs.umich.edu * BOOTING 2067977Shsul@eecs.umich.edu */ 2078013Sbinkertn@umich.edustruct rpb m5_rpb = { 2088013Sbinkertn@umich.edu NULL, /* 000: physical self-reference */ 2098013Sbinkertn@umich.edu ((long)'H') | (((long)'W') << 8) | (((long)'R') << 16) | 2108013Sbinkertn@umich.edu ((long)'P' << 24) | (((long)'B') << 32), /* 008: contains "HWRPB" */ 2118013Sbinkertn@umich.edu 6, /* 010: HWRPB version number */ 2128013Sbinkertn@umich.edu /* the byte count is wrong, but who needs it? - lance */ 2138013Sbinkertn@umich.edu 0, /* 018: bytes in RPB perCPU CTB CRB MEDSC */ 2148013Sbinkertn@umich.edu 0, /* 020: primary cpu id */ 2158013Sbinkertn@umich.edu PAGE_SIZE, /* 028: page size in bytes */ 2168013Sbinkertn@umich.edu 43, /* 030: number of phys addr bits */ 2178013Sbinkertn@umich.edu 127, /* 038: max valid ASN */ 2188013Sbinkertn@umich.edu {'0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','1'}, 2198013Sbinkertn@umich.edu /* 040: system serial num: 10 ascii chars */ 2208013Sbinkertn@umich.edu 0, /* OVERRIDDEN */ 2218013Sbinkertn@umich.edu (1<<10), /* 058: system variation */ 2228013Sbinkertn@umich.edu 'c'|('o'<<8)|('o'<<16)|('l'<< 24), /* 060: system revision */ 2238013Sbinkertn@umich.edu 1024*4096, /* 068: scaled interval clock intr freq */ 2248013Sbinkertn@umich.edu 0, /* 070: cycle counter frequency */ 2258013Sbinkertn@umich.edu 0x200000000, /* 078: virtual page table base */ 2268013Sbinkertn@umich.edu 0, /* 080: reserved */ 2278013Sbinkertn@umich.edu 0, /* 088: offset to translation buffer hint */ 2288013Sbinkertn@umich.edu 1, /* 090: number of processor slots OVERRIDDEN*/ 2298013Sbinkertn@umich.edu sizeof(struct rpb_percpu), /* 098: per-cpu slot size. OVERRIDDEN */ 2308013Sbinkertn@umich.edu 0, /* 0A0: offset to per_cpu slots */ 2318013Sbinkertn@umich.edu 1, /* 0A8: number of CTBs */ 2328013Sbinkertn@umich.edu sizeof(struct ctb_tt), 2338013Sbinkertn@umich.edu 0, /* 0B8: offset to CTB (cons term block) */ 2348013Sbinkertn@umich.edu 0, /* 0C0: offset to CRB (cons routine block) */ 2358013Sbinkertn@umich.edu 0, /* 0C8: offset to memory descriptor table */ 2368013Sbinkertn@umich.edu 0, /* 0D0: offset to config data block */ 2378013Sbinkertn@umich.edu 0, /* 0D8: offset to FRU table */ 2388013Sbinkertn@umich.edu 0, /* 0E0: virt addr of save term routine */ 2398013Sbinkertn@umich.edu 0, /* 0E8: proc value for save term routine */ 2408013Sbinkertn@umich.edu 0, /* 0F0: virt addr of restore term routine */ 2418013Sbinkertn@umich.edu 0, /* 0F8: proc value for restore term routine */ 2428013Sbinkertn@umich.edu 0, /* 100: virt addr of CPU restart routine */ 2438013Sbinkertn@umich.edu 0, /* 108: proc value for CPU restart routine */ 2448013Sbinkertn@umich.edu 0, /* 110: used to determine presence of kdebug */ 2458013Sbinkertn@umich.edu 0, /* 118: reserved for hardware */ 2467977Shsul@eecs.umich.edu/* the checksum is wrong, but who needs it? - lance */ 2478013Sbinkertn@umich.edu 0, /* 120: checksum of prior entries in rpb */ 2488013Sbinkertn@umich.edu 0, /* 128: receive ready bitmask */ 2498013Sbinkertn@umich.edu 0, /* 130: transmit ready bitmask */ 2508013Sbinkertn@umich.edu 0, /* 138: Dynamic System Recog. offset */ 2517977Shsul@eecs.umich.edu}; 2527977Shsul@eecs.umich.edu 2538013Sbinkertn@umich.eduulong m5_tbb[] = { 0x1e1e1e1e1e1e1e1e, 0x1e1e1e1e1e1e1e1e, 2548013Sbinkertn@umich.edu 0x1e1e1e1e1e1e1e1e, 0x1e1e1e1e1e1e1e1e, 2558013Sbinkertn@umich.edu 0x1e1e1e1e1e1e1e1e, 0x1e1e1e1e1e1e1e1e, 2568013Sbinkertn@umich.edu 0x1e1e1e1e1e1e1e1e, 0x1e1e1e1e1e1e1e1e }; 2577977Shsul@eecs.umich.edu 2588013Sbinkertn@umich.edustruct rpb_percpu m5_rpb_percpu = { 2598013Sbinkertn@umich.edu {0,0,0,0,0,0,1,{0,0},{0,0,0,0,0,0,0,0}}, /* 000: boot/restart HWPCB */ 2608013Sbinkertn@umich.edu (STATE_PA | STATE_PP | STATE_CV | 2618013Sbinkertn@umich.edu STATE_PV | STATE_PMV | STATE_PL), /* 080: per-cpu state bits */ 2628013Sbinkertn@umich.edu 0xc000, /* 088: palcode memory length */ 2638013Sbinkertn@umich.edu 0x2000, /* 090: palcode scratch length */ 2648013Sbinkertn@umich.edu 0x4000, /* 098: paddr of pal mem space */ 2658013Sbinkertn@umich.edu 0x2000, /* 0A0: paddr of pal scratch space */ 2668013Sbinkertn@umich.edu (2 << 16) | (5 << 8) | 1, /* 0A8: PALcode rev required */ 2678013Sbinkertn@umich.edu 11 | (2L << 32), /* 0B0: processor type */ 2688013Sbinkertn@umich.edu 7, /* 0B8: processor variation */ 2698013Sbinkertn@umich.edu 'M'|('5'<<8)|('A'<<16)|('0'<<24), /* 0C0: processor revision */ 2708013Sbinkertn@umich.edu {'M','5','/','A','l','p','h','a','0','0','0','0','0','0','0','0'}, 2718013Sbinkertn@umich.edu /* 0C8: proc serial num: 10 chars */ 2728013Sbinkertn@umich.edu 0, /* 0D8: phys addr of logout area */ 2738013Sbinkertn@umich.edu 0, /* 0E0: len in bytes of logout area */ 2748013Sbinkertn@umich.edu 0, /* 0E8: halt pcb base */ 2758013Sbinkertn@umich.edu 0, /* 0F0: halt pc */ 2768013Sbinkertn@umich.edu 0, /* 0F8: halt ps */ 2778013Sbinkertn@umich.edu 0, /* 100: halt arg list (R25) */ 2788013Sbinkertn@umich.edu 0, /* 108: halt return address (R26) */ 2798013Sbinkertn@umich.edu 0, /* 110: halt procedure value (R27) */ 2808013Sbinkertn@umich.edu 0, /* 118: reason for halt */ 2818013Sbinkertn@umich.edu 0, /* 120: for software */ 2828013Sbinkertn@umich.edu {0}, /* 128: inter-console comm buffer */ 2838013Sbinkertn@umich.edu {1,0,5,0,0,0,0,0,0,0,0,0,0,0,0,0}, /* 1D0: PALcode revs available */ 2848013Sbinkertn@umich.edu 0 /* 250: reserved for arch use */ 2857977Shsul@eecs.umich.edu/* the dump stack grows from the end of the rpb page not to reach here */ 2867977Shsul@eecs.umich.edu}; 2877977Shsul@eecs.umich.edu 2888013Sbinkertn@umich.edustruct _m5_rpb_mdt { 2898013Sbinkertn@umich.edu long rpb_checksum; /* 000: checksum of entire mem desc table */ 2908013Sbinkertn@umich.edu long rpb_impaddr; /* 008: PA of implementation dep info */ 2918013Sbinkertn@umich.edu long rpb_numcl; /* 010: number of clusters */ 2928013Sbinkertn@umich.edu struct rpb_cluster rpb_cluster[3]; /* first instance of a cluster */ 2937977Shsul@eecs.umich.edu}; 2947977Shsul@eecs.umich.edu 2958013Sbinkertn@umich.edustruct _m5_rpb_mdt m5_rpb_mdt = { 2968013Sbinkertn@umich.edu 0, /* 000: checksum of entire mem desc table */ 2978013Sbinkertn@umich.edu 0, /* 008: PA of implementation dep info */ 2988013Sbinkertn@umich.edu 0, /* 010: number of clusters */ 2998013Sbinkertn@umich.edu {{ 0, /* 000: starting PFN of this cluster */ 3007977Shsul@eecs.umich.edu 0, /* 008: count of PFNs in this cluster */ 3017977Shsul@eecs.umich.edu 0, /* 010: count of tested PFNs in cluster */ 3027977Shsul@eecs.umich.edu 0, /* 018: va of bitmap */ 3037977Shsul@eecs.umich.edu 0, /* 020: pa of bitmap */ 3047977Shsul@eecs.umich.edu 0, /* 028: checksum of bitmap */ 3057977Shsul@eecs.umich.edu 1 /* 030: usage of cluster */ 3068013Sbinkertn@umich.edu }, 3078013Sbinkertn@umich.edu { 0, /* 000: starting PFN of this cluster */ 3088013Sbinkertn@umich.edu 0, /* 008: count of PFNs in this cluster */ 3098013Sbinkertn@umich.edu 0, /* 010: count of tested PFNs in cluster */ 3108013Sbinkertn@umich.edu 0, /* 018: va of bitmap */ 3118013Sbinkertn@umich.edu 0, /* 020: pa of bitmap */ 3128013Sbinkertn@umich.edu 0, /* 028: checksum of bitmap */ 3138013Sbinkertn@umich.edu 0 /* 030: usage of cluster */ 3148013Sbinkertn@umich.edu }, 3158013Sbinkertn@umich.edu { 0, /* 000: starting PFN of this cluster */ 3168013Sbinkertn@umich.edu 0, /* 008: count of PFNs in this cluster */ 3178013Sbinkertn@umich.edu 0, /* 010: count of tested PFNs in cluster */ 3188013Sbinkertn@umich.edu 0, /* 018: va of bitmap */ 3198013Sbinkertn@umich.edu 0, /* 020: pa of bitmap */ 3208013Sbinkertn@umich.edu 0, /* 028: checksum of bitmap */ 3218013Sbinkertn@umich.edu 0 /* 030: usage of cluster */ 3228013Sbinkertn@umich.edu }} 3237977Shsul@eecs.umich.edu}; 3247977Shsul@eecs.umich.edu 3257977Shsul@eecs.umich.edu/* constants for slotinfo bus_type subfield */ 3267977Shsul@eecs.umich.edu#define SLOTINFO_TC 0 3277977Shsul@eecs.umich.edu#define SLOTINFO_ISA 1 3287977Shsul@eecs.umich.edu#define SLOTINFO_EISA 2 3297977Shsul@eecs.umich.edu#define SLOTINFO_PCI 3 3307977Shsul@eecs.umich.edu 3318013Sbinkertn@umich.edustruct rpb_ctb m5_rpb_ctb = { 3328013Sbinkertn@umich.edu CONS_DZ, /* 000: console type */ 3338013Sbinkertn@umich.edu 0, /* 008: console unit */ 3348013Sbinkertn@umich.edu 0, /* 010: reserved */ 3358013Sbinkertn@umich.edu 0 /* 018: byte length of device dep portion */ 3367977Shsul@eecs.umich.edu}; 3377977Shsul@eecs.umich.edu 3387977Shsul@eecs.umich.edu/* we don't do any fixup (aka relocate the console) - we hope */ 3398013Sbinkertn@umich.edustruct rpb_crb m5_rpb_crb = { 3408013Sbinkertn@umich.edu 0, /* va of call-back dispatch rtn */ 3418013Sbinkertn@umich.edu 0, /* pa of call-back dispatch rtn */ 3428013Sbinkertn@umich.edu 0, /* va of call-back fixup rtn */ 3438013Sbinkertn@umich.edu 0, /* pa of call-back fixup rtn */ 3448013Sbinkertn@umich.edu 0, /* number of entries in phys/virt map */ 3458013Sbinkertn@umich.edu 0 /* Number of pages to be mapped */ 3467977Shsul@eecs.umich.edu}; 3477977Shsul@eecs.umich.edu 3487977Shsul@eecs.umich.edustruct _rpb_name { 3498013Sbinkertn@umich.edu ulong length; 3508013Sbinkertn@umich.edu char name[16]; 3517977Shsul@eecs.umich.edu}; 3527977Shsul@eecs.umich.edu 3538013Sbinkertn@umich.eduextern struct _rpb_name m5_name; 3547977Shsul@eecs.umich.edu 3558013Sbinkertn@umich.edustruct rpb_dsr m5_rpb_dsr = { 3568013Sbinkertn@umich.edu 0, 3578013Sbinkertn@umich.edu 0, 3588013Sbinkertn@umich.edu 0, 3597977Shsul@eecs.umich.edu}; 3607977Shsul@eecs.umich.edu 3618013Sbinkertn@umich.edustruct _rpb_name m5_name = { 3628013Sbinkertn@umich.edu 16, 3638013Sbinkertn@umich.edu {'U','M','I','C','H',' ','M','5','/','A','L','P','H','A',' ',0}, 3647977Shsul@eecs.umich.edu}; 3657977Shsul@eecs.umich.edu 3668013Sbinkertn@umich.edu/* 3678013Sbinkertn@umich.edu * M5 has one LURT entry: 3688013Sbinkertn@umich.edu * 1050 is for workstations 3698013Sbinkertn@umich.edu * 1100 is servers (and is needed for CXX) 3708013Sbinkertn@umich.edu */ 3718013Sbinkertn@umich.edulong m5_lurt[10] = { 9, 12, -1, -1, -1, -1, -1, -1, 1100, 1100 }; 3727977Shsul@eecs.umich.edu 3738013Sbinkertn@umich.eduulong unix_boot_mem; 3748013Sbinkertn@umich.eduulong bootadr; 3758013Sbinkertn@umich.edu 3767977Shsul@eecs.umich.educhar **kargv; 3777977Shsul@eecs.umich.eduint kargc; 3788013Sbinkertn@umich.eduulong free_pfn; 3797977Shsul@eecs.umich.edustruct rpb_percpu *rpb_percpu; 3807977Shsul@eecs.umich.edu 3818013Sbinkertn@umich.educhar * 3828013Sbinkertn@umich.eduunix_boot_alloc(int pages) 3837977Shsul@eecs.umich.edu{ 3848016Sbinkertn@umich.edu char *ret = (char *)unix_boot_mem; 3858013Sbinkertn@umich.edu unix_boot_mem += (pages * PAGE_SIZE); 3868013Sbinkertn@umich.edu return ret; 3877977Shsul@eecs.umich.edu} 3887977Shsul@eecs.umich.edu 3898013Sbinkertn@umich.eduulong *first = 0; 3908013Sbinkertn@umich.eduulong *third_rpb = 0; 3918013Sbinkertn@umich.eduulong *reservedFixup = 0; 3927977Shsul@eecs.umich.edu 3937978Sbinkertn@umich.eduint strcpy(char *dst, char *src); 3947978Sbinkertn@umich.edu 3957977Shsul@eecs.umich.edustruct rpb *rpb; 3968013Sbinkertn@umich.eduextern ulong _end; 3977977Shsul@eecs.umich.edu 3988013Sbinkertn@umich.eduvoid 3998016Sbinkertn@umich.eduunixBoot(int argc, char **argv) 4007977Shsul@eecs.umich.edu{ 4018013Sbinkertn@umich.edu ulong *second, *third_kernel, ptr, *tbb, size, *percpu_logout; 4028013Sbinkertn@umich.edu unsigned char *mdt_bitmap; 4038013Sbinkertn@umich.edu long *lp1, *lp2, sum; 4048013Sbinkertn@umich.edu int i, cl; 4058028Sblakeg@umich.edu ulong kern_first_page; 4068028Sblakeg@umich.edu ulong mem_size = m5Conf.mem_size; 4077977Shsul@eecs.umich.edu 4088028Sblakeg@umich.edu ulong mem_pages = mem_size / PAGE_SIZE, cons_pages; 4098028Sblakeg@umich.edu ulong mdt_bitmap_pages = mem_pages / (PAGE_SIZE*8); 4108028Sblakeg@umich.edu 4118013Sbinkertn@umich.edu ulong kernel_bytes, ksp, kernel_end, *unix_kernel_stack, bss, 4128013Sbinkertn@umich.edu ksp_bottom, ksp_top; 4138013Sbinkertn@umich.edu struct rpb_ctb *rpb_ctb; 4148013Sbinkertn@umich.edu struct ctb_tt *ctb_tt; 4158013Sbinkertn@umich.edu struct rpb_dsr *rpb_dsr; 4168013Sbinkertn@umich.edu struct rpb_crb *rpb_crb; 4178013Sbinkertn@umich.edu struct _m5_rpb_mdt *rpb_mdt; 4188013Sbinkertn@umich.edu int *rpb_lurt; 4198013Sbinkertn@umich.edu char *rpb_name; 4208013Sbinkertn@umich.edu ulong nextPtr; 4217977Shsul@eecs.umich.edu 4228013Sbinkertn@umich.edu printf_lock("memsize %x pages %x \n", mem_size, mem_pages); 4237977Shsul@eecs.umich.edu 4248013Sbinkertn@umich.edu /* Allocate: 4258013Sbinkertn@umich.edu * two pages for the HWRPB 4268013Sbinkertn@umich.edu * five page table pages: 4278013Sbinkertn@umich.edu * 1: First level page table 4288013Sbinkertn@umich.edu * 1: Second level page table 4298013Sbinkertn@umich.edu * 1: Third level page table for HWRPB 4308013Sbinkertn@umich.edu * 2: Third level page table for kernel (for up to 16MB) 4318013Sbinkertn@umich.edu * set up the page tables 4328013Sbinkertn@umich.edu * load the kernel at the physical address 0x230000 4338013Sbinkertn@umich.edu * build the HWRPB 4348013Sbinkertn@umich.edu * set up memory descriptor table to give up the 4358013Sbinkertn@umich.edu * physical memory between the end of the page 4368013Sbinkertn@umich.edu * tables and the start of the kernel 4378013Sbinkertn@umich.edu * enable kseg addressing 4388013Sbinkertn@umich.edu * jump to the kernel 4398013Sbinkertn@umich.edu */ 4407977Shsul@eecs.umich.edu 4418013Sbinkertn@umich.edu unix_boot_mem = ROUNDUP8K(&_end); 4427977Shsul@eecs.umich.edu 4438013Sbinkertn@umich.edu printf_lock("First free page after ROM 0x%x\n", unix_boot_mem); 4447977Shsul@eecs.umich.edu 4458016Sbinkertn@umich.edu rpb = (struct rpb *)unix_boot_alloc(HWRPB_PAGES); 4467977Shsul@eecs.umich.edu 4478028Sblakeg@umich.edu mdt_bitmap = (unsigned char *)unix_boot_alloc(mdt_bitmap_pages); 4488013Sbinkertn@umich.edu first = (ulong *)unix_boot_alloc(1); 4498013Sbinkertn@umich.edu second = (ulong *)unix_boot_alloc(1); 4508013Sbinkertn@umich.edu third_rpb = (ulong *)unix_boot_alloc(1); 4518013Sbinkertn@umich.edu reservedFixup = (ulong*) unix_boot_alloc(1); 4528013Sbinkertn@umich.edu third_kernel = (ulong *)unix_boot_alloc(NUM_KERNEL_THIRD); 4538013Sbinkertn@umich.edu percpu_logout = (ulong*)unix_boot_alloc(1); 4547977Shsul@eecs.umich.edu 4558013Sbinkertn@umich.edu cons_pages = KSEG_TO_PHYS(unix_boot_mem) / PAGE_SIZE; 4567977Shsul@eecs.umich.edu 4578013Sbinkertn@umich.edu /* Set up the page tables */ 4588013Sbinkertn@umich.edu bzero((char *)first, PAGE_SIZE); 4598013Sbinkertn@umich.edu bzero((char *)second, PAGE_SIZE); 4608013Sbinkertn@umich.edu bzero((char *)reservedFixup, PAGE_SIZE); 4618013Sbinkertn@umich.edu bzero((char *)third_rpb, HWRPB_PAGES * PAGE_SIZE); 4628013Sbinkertn@umich.edu bzero((char *)third_kernel, PAGE_SIZE * NUM_KERNEL_THIRD); 4637977Shsul@eecs.umich.edu 4648013Sbinkertn@umich.edu first[0] = KPTE(PFN(second)); 4658013Sbinkertn@umich.edu first[1] = KPTE(PFN(first)); /* Region 3 */ 4667977Shsul@eecs.umich.edu 4678013Sbinkertn@umich.edu /* Region 0 */ 4688013Sbinkertn@umich.edu second[SECOND(0x10000000)] = KPTE(PFN(third_rpb)); 4697977Shsul@eecs.umich.edu 4708013Sbinkertn@umich.edu for (i = 0; i < NUM_KERNEL_THIRD; i++) { 4718013Sbinkertn@umich.edu /* Region 1 */ 4728013Sbinkertn@umich.edu second[SECOND(0x20000000) + i] = KPTE(PFN(third_kernel) + i); 4738013Sbinkertn@umich.edu } 4748018Smserrano@umich.edu 4758013Sbinkertn@umich.edu /* Region 2 */ 4768013Sbinkertn@umich.edu second[SECOND(0x40000000)] = KPTE(PFN(second)); 4777977Shsul@eecs.umich.edu 4787977Shsul@eecs.umich.edu 4798013Sbinkertn@umich.edu /* For some obscure reason, Dec Unix's database read 4808013Sbinkertn@umich.edu * from /etc/sysconfigtab is written to this fixed 4818013Sbinkertn@umich.edu * mapped memory location. Go figure, since it is 4828013Sbinkertn@umich.edu * not initialized by the console. Maybe it is 4838013Sbinkertn@umich.edu * to look at the database from the console 4848013Sbinkertn@umich.edu * after a boot/crash. 4858013Sbinkertn@umich.edu * 4868013Sbinkertn@umich.edu * Black magic to estimate the max size. SEGVs on overflow 4878013Sbinkertn@umich.edu * bugnion 4888013Sbinkertn@umich.edu */ 4897977Shsul@eecs.umich.edu 4907977Shsul@eecs.umich.edu#define DATABASE_BASE 0x20000000 4917977Shsul@eecs.umich.edu#define DATABASE_END 0x20020000 4927977Shsul@eecs.umich.edu 4938013Sbinkertn@umich.edu ulong *dbPage = (ulong*)unix_boot_alloc(1); 4948018Smserrano@umich.edu bzero(dbPage, PAGE_SIZE); 4958013Sbinkertn@umich.edu second[SECOND(DATABASE_BASE)] = KPTE(PFN(dbPage)); 4968018Smserrano@umich.edu for (i = DATABASE_BASE; i < DATABASE_END ; i += PAGE_SIZE) { 4978013Sbinkertn@umich.edu ulong *db = (ulong*)unix_boot_alloc(1); 4988013Sbinkertn@umich.edu dbPage[THIRD(i)] = KPTE(PFN(db)); 4998013Sbinkertn@umich.edu } 5007977Shsul@eecs.umich.edu 5018013Sbinkertn@umich.edu /* Region 0 */ 5028013Sbinkertn@umich.edu /* Map the HWRPB */ 5038013Sbinkertn@umich.edu for (i = 0; i < HWRPB_PAGES; i++) 5048013Sbinkertn@umich.edu third_rpb[i] = KPTE(PFN(rpb) + i); 5057977Shsul@eecs.umich.edu 5068013Sbinkertn@umich.edu /* Map the MDT bitmap table */ 5078028Sblakeg@umich.edu for (i = 0; i < mdt_bitmap_pages; i++) { 5088013Sbinkertn@umich.edu third_rpb[HWRPB_PAGES + i] = KPTE(PFN(mdt_bitmap) + i); 5098013Sbinkertn@umich.edu } 5107977Shsul@eecs.umich.edu 5118013Sbinkertn@umich.edu /* Protect the PAL pages */ 5128013Sbinkertn@umich.edu for (i = 1; i < PFN(first); i++) 5138028Sblakeg@umich.edu third_rpb[HWRPB_PAGES + mdt_bitmap_pages + i] = KPTE(i); 5147977Shsul@eecs.umich.edu 5157977Shsul@eecs.umich.edu /* Set up third_kernel after it's loaded, when we know where it is */ 5168013Sbinkertn@umich.edu kern_first_page = (KSEG_TO_PHYS(m5Conf.kernStart)/PAGE_SIZE); 5178018Smserrano@umich.edu kernel_end = ROUNDUP8K(m5Conf.kernEnd); 5188013Sbinkertn@umich.edu bootadr = m5Conf.entryPoint; 5197977Shsul@eecs.umich.edu 5208013Sbinkertn@umich.edu printf_lock("HWRPB 0x%x l1pt 0x%x l2pt 0x%x l3pt_rpb 0x%x l3pt_kernel 0x%x" 5218013Sbinkertn@umich.edu " l2reserv 0x%x\n", 5228013Sbinkertn@umich.edu rpb, first, second, third_rpb, third_kernel, reservedFixup); 5238013Sbinkertn@umich.edu if (kernel_end - m5Conf.kernStart > (0x800000*NUM_KERNEL_THIRD)) { 5248013Sbinkertn@umich.edu printf_lock("Kernel is more than 8MB 0x%x - 0x%x = 0x%x\n", 5258013Sbinkertn@umich.edu kernel_end, m5Conf.kernStart, 5268013Sbinkertn@umich.edu kernel_end - m5Conf.kernStart ); 5278013Sbinkertn@umich.edu panic("kernel too big\n"); 5288013Sbinkertn@umich.edu } 5298018Smserrano@umich.edu printf_lock("kstart = 0x%x, kend = 0x%x, kentry = 0x%x, numCPUs = 0x%x\n", m5Conf.kernStart, m5Conf.kernEnd, m5Conf.entryPoint, m5Conf.numCPUs); 5308018Smserrano@umich.edu ksp_bottom = (ulong)unix_boot_alloc(1); 5318018Smserrano@umich.edu ksp_top = ksp_bottom + PAGE_SIZE; 5328018Smserrano@umich.edu ptr = (ulong) ksp_bottom; 5338018Smserrano@umich.edu bzero((char *)ptr, PAGE_SIZE); 5348018Smserrano@umich.edu dbPage[THIRD(KSTACK_REGION_VA)] = 0; /* Stack Guard Page */ 5358018Smserrano@umich.edu dbPage[THIRD(KSTACK_REGION_VA + PAGE_SIZE)] = KPTE(PFN(ptr)); /* Kernel Stack Page */ 5368018Smserrano@umich.edu dbPage[THIRD(KSTACK_REGION_VA + 2*PAGE_SIZE)] = 0; /* Stack Guard Page */ 5377977Shsul@eecs.umich.edu 5388013Sbinkertn@umich.edu /* put argv into the bottom of the stack - argv starts at 1 because 5398013Sbinkertn@umich.edu * the command thatr got us here (i.e. "unixboot) is in argv[0]. 5408013Sbinkertn@umich.edu */ 5418018Smserrano@umich.edu ksp = ksp_top - 8; /* Back up one longword */ 5428013Sbinkertn@umich.edu ksp -= argc * sizeof(char *); /* Make room for argv */ 5438013Sbinkertn@umich.edu kargv = (char **) ksp; 5448013Sbinkertn@umich.edu for (i = 1; i < argc; i++) { /* Copy arguments to stack */ 5458013Sbinkertn@umich.edu ksp -= ((strlen(argv[i]) + 1) + 7) & ~0x7; 5468013Sbinkertn@umich.edu kargv[i-1] = (char *) ksp; 5478013Sbinkertn@umich.edu strcpy(kargv[i - 1], argv[i]); 5488013Sbinkertn@umich.edu } 5498013Sbinkertn@umich.edu kargc = i - 1; 5508013Sbinkertn@umich.edu kargv[kargc] = NULL; /* just to be sure; doesn't seem to be used */ 5518013Sbinkertn@umich.edu ksp -= sizeof(char *); /* point above last arg for no real reason */ 5527977Shsul@eecs.umich.edu 5538018Smserrano@umich.edu free_pfn = PFN(kernel_end); 5547977Shsul@eecs.umich.edu 5558013Sbinkertn@umich.edu bcopy((char *)&m5_rpb, (char *)rpb, sizeof(struct rpb)); 5567977Shsul@eecs.umich.edu 5578013Sbinkertn@umich.edu rpb->rpb_selfref = (struct rpb *) KSEG_TO_PHYS(rpb); 5588013Sbinkertn@umich.edu rpb->rpb_string = 0x0000004250525748; 5597977Shsul@eecs.umich.edu 5608013Sbinkertn@umich.edu tbb = (ulong *) (((char *) rpb) + ROUNDUP8(sizeof(struct rpb))); 5618013Sbinkertn@umich.edu rpb->rpb_trans_off = (ulong)tbb - (ulong)rpb; 5628013Sbinkertn@umich.edu bcopy((char *)m5_tbb, (char *)tbb, sizeof(m5_tbb)); 5637977Shsul@eecs.umich.edu 5648013Sbinkertn@umich.edu /* 5658013Sbinkertn@umich.edu * rpb_counter. Use to determine timeouts in OS. 5668013Sbinkertn@umich.edu * XXX must be patched after a checkpoint restore (I guess) 5678013Sbinkertn@umich.edu */ 5687977Shsul@eecs.umich.edu 5698013Sbinkertn@umich.edu printf_lock("CPU Clock at %d MHz IntrClockFrequency=%d \n", 5708013Sbinkertn@umich.edu m5Conf.cpuClock, m5Conf.intrClockFrequency); 5718013Sbinkertn@umich.edu rpb->rpb_counter = m5Conf.cpuClock * 1000 * 1000; 5727977Shsul@eecs.umich.edu 5738013Sbinkertn@umich.edu /* 5748013Sbinkertn@umich.edu * By definition, the rpb_clock is scaled by 4096 (in hz) 5758013Sbinkertn@umich.edu */ 5768013Sbinkertn@umich.edu rpb->rpb_clock = m5Conf.intrClockFrequency * 4096; 5777977Shsul@eecs.umich.edu 5788013Sbinkertn@umich.edu /* 5798013Sbinkertn@umich.edu * Per CPU Slots. Multiprocessor support. 5808013Sbinkertn@umich.edu */ 5818013Sbinkertn@umich.edu int percpu_size = ROUNDUP128(sizeof(struct rpb_percpu)); 5827977Shsul@eecs.umich.edu 5838013Sbinkertn@umich.edu printf_lock("Booting with %d processor(s) \n", m5Conf.numCPUs); 5847977Shsul@eecs.umich.edu 5858013Sbinkertn@umich.edu rpb->rpb_numprocs = m5Conf.numCPUs; 5868013Sbinkertn@umich.edu rpb->rpb_slotsize = percpu_size; 5878013Sbinkertn@umich.edu rpb_percpu = (struct rpb_percpu *) 5888013Sbinkertn@umich.edu ROUNDUP128(((ulong)tbb) + (sizeof(m5_tbb))); 5897977Shsul@eecs.umich.edu 5908013Sbinkertn@umich.edu rpb->rpb_percpu_off = (ulong)rpb_percpu - (ulong)rpb; 5917977Shsul@eecs.umich.edu 5928013Sbinkertn@umich.edu for (i = 0; i < m5Conf.numCPUs; i++) { 5938013Sbinkertn@umich.edu struct rpb_percpu *thisCPU = (struct rpb_percpu*) 5948013Sbinkertn@umich.edu ((ulong)rpb_percpu + percpu_size * i); 5957977Shsul@eecs.umich.edu 5968013Sbinkertn@umich.edu bzero((char *)thisCPU, percpu_size); 5978013Sbinkertn@umich.edu bcopy((char *)&m5_rpb_percpu, (char *)thisCPU, 5988013Sbinkertn@umich.edu sizeof(struct rpb_percpu)); 5997977Shsul@eecs.umich.edu 6008018Smserrano@umich.edu thisCPU->rpb_pcb.rpb_ksp = (KSTACK_REGION_VA + 2*PAGE_SIZE - (ksp_top - ksp)); 6018013Sbinkertn@umich.edu thisCPU->rpb_pcb.rpb_ptbr = PFN(first); 6027977Shsul@eecs.umich.edu 6038013Sbinkertn@umich.edu thisCPU->rpb_logout = KSEG_TO_PHYS(percpu_logout); 6048013Sbinkertn@umich.edu thisCPU->rpb_logout_len = PAGE_SIZE; 6057977Shsul@eecs.umich.edu 6068013Sbinkertn@umich.edu printf_lock("KSP: 0x%x PTBR 0x%x\n", 6078013Sbinkertn@umich.edu thisCPU->rpb_pcb.rpb_ksp, thisCPU->rpb_pcb.rpb_ptbr); 6088013Sbinkertn@umich.edu } 6097977Shsul@eecs.umich.edu 6108013Sbinkertn@umich.edu nextPtr = (ulong)rpb_percpu + percpu_size * m5Conf.numCPUs; 6117977Shsul@eecs.umich.edu 6128013Sbinkertn@umich.edu /* 6138013Sbinkertn@umich.edu * Console Terminal Block 6148013Sbinkertn@umich.edu */ 6158013Sbinkertn@umich.edu rpb_ctb = (struct rpb_ctb *) nextPtr; 6168013Sbinkertn@umich.edu ctb_tt = (struct ctb_tt*) rpb_ctb; 6177977Shsul@eecs.umich.edu 6188013Sbinkertn@umich.edu rpb->rpb_ctb_off = ((ulong)rpb_ctb) - (ulong)rpb; 6198013Sbinkertn@umich.edu rpb->rpb_ctb_size = sizeof(struct rpb_ctb); 6207977Shsul@eecs.umich.edu 6218013Sbinkertn@umich.edu bzero((char *)rpb_ctb, sizeof(struct ctb_tt)); 6227977Shsul@eecs.umich.edu 6238022Sbinkertn@umich.edu rpb_ctb->rpb_type = CONS_DZ; 6248013Sbinkertn@umich.edu rpb_ctb->rpb_length = sizeof(ctb_tt) - sizeof(rpb_ctb); 6257977Shsul@eecs.umich.edu 6268013Sbinkertn@umich.edu /* 6278013Sbinkertn@umich.edu * uart initizliation 6288013Sbinkertn@umich.edu */ 6298019Sbenash@umich.edu ctb_tt->ctb_tintr_vec = 0x6c0; /* matches tlaser pal code */ 6308019Sbenash@umich.edu ctb_tt->ctb_rintr_vec = 0x680; /* matches tlaser pal code */ 6318019Sbenash@umich.edu ctb_tt->ctb_term_type = CTB_GRAPHICS; 6327977Shsul@eecs.umich.edu 6338013Sbinkertn@umich.edu rpb_crb = (struct rpb_crb *) (((ulong)rpb_ctb) + sizeof(struct ctb_tt)); 6348013Sbinkertn@umich.edu rpb->rpb_crb_off = ((ulong)rpb_crb) - (ulong)rpb; 6357977Shsul@eecs.umich.edu 6368013Sbinkertn@umich.edu bzero((char *)rpb_crb, sizeof(struct rpb_crb)); 6377977Shsul@eecs.umich.edu 6388013Sbinkertn@umich.edu /* 6398013Sbinkertn@umich.edu * console callback stuff (m5) 6408013Sbinkertn@umich.edu */ 6418013Sbinkertn@umich.edu rpb_crb->rpb_num = 1; 6428013Sbinkertn@umich.edu rpb_crb->rpb_mapped_pages = HWRPB_PAGES; 6438013Sbinkertn@umich.edu rpb_crb->rpb_map[0].rpb_virt = 0x10000000; 6448013Sbinkertn@umich.edu rpb_crb->rpb_map[0].rpb_phys = KSEG_TO_PHYS(((ulong)rpb) & ~0x1fff); 6458013Sbinkertn@umich.edu rpb_crb->rpb_map[0].rpb_pgcount = HWRPB_PAGES; 6467977Shsul@eecs.umich.edu 6478013Sbinkertn@umich.edu printf_lock("Console Callback at 0x%x, fixup at 0x%x, crb offset: 0x%x\n", 6488013Sbinkertn@umich.edu rpb_crb->rpb_va_disp, rpb_crb->rpb_va_fixup, rpb->rpb_crb_off); 6497977Shsul@eecs.umich.edu 6508013Sbinkertn@umich.edu rpb_mdt = (struct _m5_rpb_mdt *)((ulong)rpb_crb + sizeof(struct rpb_crb)); 6518013Sbinkertn@umich.edu rpb->rpb_mdt_off = (ulong)rpb_mdt - (ulong)rpb; 6528013Sbinkertn@umich.edu bcopy((char *)&m5_rpb_mdt, (char *)rpb_mdt, sizeof(struct _m5_rpb_mdt)); 6537977Shsul@eecs.umich.edu 6547977Shsul@eecs.umich.edu 6558013Sbinkertn@umich.edu cl = 0; 6568013Sbinkertn@umich.edu rpb_mdt->rpb_cluster[cl].rpb_pfncount = kern_first_page; 6578013Sbinkertn@umich.edu cl++; 6587977Shsul@eecs.umich.edu 6598013Sbinkertn@umich.edu rpb_mdt->rpb_cluster[cl].rpb_pfn = kern_first_page; 6608013Sbinkertn@umich.edu rpb_mdt->rpb_cluster[cl].rpb_pfncount = mem_pages - kern_first_page; 6618013Sbinkertn@umich.edu rpb_mdt->rpb_cluster[cl].rpb_pfntested = 6628013Sbinkertn@umich.edu rpb_mdt->rpb_cluster[cl].rpb_pfncount; 6638013Sbinkertn@umich.edu rpb_mdt->rpb_cluster[cl].rpb_pa = KSEG_TO_PHYS(mdt_bitmap); 6648013Sbinkertn@umich.edu rpb_mdt->rpb_cluster[cl].rpb_va = 0x10000000 + HWRPB_PAGES * PAGE_SIZE; 6658013Sbinkertn@umich.edu cl++; 6667977Shsul@eecs.umich.edu 6678013Sbinkertn@umich.edu rpb_mdt->rpb_numcl = cl; 6687977Shsul@eecs.umich.edu 6698013Sbinkertn@umich.edu for (i = 0; i < cl; i++) 6708013Sbinkertn@umich.edu printf_lock("Memory cluster %d [%d - %d]\n", i, 6718013Sbinkertn@umich.edu rpb_mdt->rpb_cluster[i].rpb_pfn, 6728013Sbinkertn@umich.edu rpb_mdt->rpb_cluster[i].rpb_pfncount); 6737977Shsul@eecs.umich.edu 6748013Sbinkertn@umich.edu /* Checksum the rpb for good luck */ 6758013Sbinkertn@umich.edu sum = 0; 6768013Sbinkertn@umich.edu lp1 = (long *)&rpb_mdt->rpb_impaddr; 6778013Sbinkertn@umich.edu lp2 = (long *)&rpb_mdt->rpb_cluster[cl]; 6788013Sbinkertn@umich.edu while (lp1 < lp2) sum += *lp1++; 6798013Sbinkertn@umich.edu rpb_mdt->rpb_checksum = sum; 6807977Shsul@eecs.umich.edu 6818013Sbinkertn@umich.edu /* XXX should checksum the cluster descriptors */ 6828028Sblakeg@umich.edu bzero((char *)mdt_bitmap, mdt_bitmap_pages * PAGE_SIZE); 6838013Sbinkertn@umich.edu for (i = 0; i < mem_pages/8; i++) 6848013Sbinkertn@umich.edu ((unsigned char *)mdt_bitmap)[i] = 0xff; 6857977Shsul@eecs.umich.edu 6868013Sbinkertn@umich.edu printf_lock("Initalizing mdt_bitmap addr 0x%x mem_pages %x \n", 6878013Sbinkertn@umich.edu (long)mdt_bitmap,(long)mem_pages); 6887977Shsul@eecs.umich.edu 6898013Sbinkertn@umich.edu m5_rpb.rpb_config_off = 0; 6908013Sbinkertn@umich.edu m5_rpb.rpb_fru_off = 0; 6917977Shsul@eecs.umich.edu 6928013Sbinkertn@umich.edu rpb_dsr = (struct rpb_dsr *)((ulong)rpb_mdt + sizeof(struct _m5_rpb_mdt)); 6938013Sbinkertn@umich.edu rpb->rpb_dsr_off = (ulong)rpb_dsr - (ulong)rpb; 6948013Sbinkertn@umich.edu bzero((char *)rpb_dsr, sizeof(struct rpb_dsr)); 6958013Sbinkertn@umich.edu rpb_dsr->rpb_smm = 1578; /* Official XXM SMM number as per SRM */ 6968013Sbinkertn@umich.edu rpb_dsr->rpb_smm = 1089; /* Official Alcor SMM number as per SRM */ 6977977Shsul@eecs.umich.edu 6988013Sbinkertn@umich.edu rpb_lurt = (int *) ROUNDUP8((ulong)rpb_dsr + sizeof(struct rpb_dsr)); 6998013Sbinkertn@umich.edu rpb_dsr->rpb_lurt_off = ((ulong) rpb_lurt) - (ulong) rpb_dsr; 7008013Sbinkertn@umich.edu bcopy((char *)m5_lurt, (char *)rpb_lurt, sizeof(m5_lurt)); 7017977Shsul@eecs.umich.edu 7028013Sbinkertn@umich.edu rpb_name = (char *) ROUNDUP8(((ulong)rpb_lurt) + sizeof(m5_lurt)); 7038013Sbinkertn@umich.edu rpb_dsr->rpb_sysname_off = ((ulong) rpb_name) - (ulong) rpb_dsr; 7048013Sbinkertn@umich.edu#define THENAME " M5/Alpha " 7058013Sbinkertn@umich.edu sum = sizeof(THENAME); 7068013Sbinkertn@umich.edu bcopy(THENAME, rpb_name, sum); 7078013Sbinkertn@umich.edu *(ulong *)rpb_name = sizeof(THENAME); /* put in length field */ 7087977Shsul@eecs.umich.edu 7098013Sbinkertn@umich.edu /* calculate size of rpb */ 7108013Sbinkertn@umich.edu rpb->rpb_size = ((ulong) &rpb_name[sum]) - (ulong)rpb; 7117977Shsul@eecs.umich.edu 7128013Sbinkertn@umich.edu if (rpb->rpb_size > PAGE_SIZE * HWRPB_PAGES) { 7138013Sbinkertn@umich.edu panic("HWRPB_PAGES=%d too small for HWRPB !!! \n"); 7148013Sbinkertn@umich.edu } 7157977Shsul@eecs.umich.edu 7168013Sbinkertn@umich.edu ulong *rpbptr = (ulong*)((char*)rpb_dsr + sizeof(struct rpb_dsr)); 7178013Sbinkertn@umich.edu rpb_crb->rpb_pa_disp = KSEG_TO_PHYS(rpbptr); 7188013Sbinkertn@umich.edu rpb_crb->rpb_va_disp = 0x10000000 + 7198013Sbinkertn@umich.edu (((ulong)rpbptr - (ulong)rpb) & (0x2000 * HWRPB_PAGES - 1)); 7208013Sbinkertn@umich.edu printf_lock("ConsoleDispatch at virt %x phys %x val %x\n", 7218013Sbinkertn@umich.edu rpb_crb->rpb_va_disp, rpb_crb->rpb_pa_disp, consoleCallback); 7228013Sbinkertn@umich.edu *rpbptr++ = 0; 7238013Sbinkertn@umich.edu *rpbptr++ = (ulong) consoleCallback; 7248013Sbinkertn@umich.edu rpb_crb->rpb_pa_fixup = KSEG_TO_PHYS(rpbptr); 7258013Sbinkertn@umich.edu rpb_crb->rpb_va_fixup = 0x10000000 + 7268013Sbinkertn@umich.edu (((ulong)rpbptr - (ulong)rpb) & (0x2000 * HWRPB_PAGES - 1)); 7278013Sbinkertn@umich.edu *rpbptr++ = 0; 7287977Shsul@eecs.umich.edu 7298013Sbinkertn@umich.edu *rpbptr++ = (ulong) consoleFixup; 7307977Shsul@eecs.umich.edu 7318013Sbinkertn@umich.edu /* Checksum the rpb for good luck */ 7328013Sbinkertn@umich.edu sum = 0; 7338013Sbinkertn@umich.edu lp1 = (long *)rpb; 7348013Sbinkertn@umich.edu lp2 = &rpb->rpb_checksum; 7358013Sbinkertn@umich.edu while (lp1 < lp2) 7368013Sbinkertn@umich.edu sum += *lp1++; 7378013Sbinkertn@umich.edu *lp2 = sum; 7387977Shsul@eecs.umich.edu 7397977Shsul@eecs.umich.edu /* 7407977Shsul@eecs.umich.edu * MP bootstrap 7417977Shsul@eecs.umich.edu */ 7428013Sbinkertn@umich.edu for (i = 1; i < m5Conf.numCPUs; i++) { 7438016Sbinkertn@umich.edu ulong stack = (ulong)unix_boot_alloc(1); 7448016Sbinkertn@umich.edu printf_lock("Bootstraping CPU %d with sp=0x%x\n", i, stack); 7458023Ssaidi@eecs.umich.edu m5AlphaAccess->cpuStack[i] = stack; 7468013Sbinkertn@umich.edu } 7477977Shsul@eecs.umich.edu 7488013Sbinkertn@umich.edu /* 7498013Sbinkertn@umich.edu * Make sure that we are not stepping on the kernel 7508013Sbinkertn@umich.edu */ 7518013Sbinkertn@umich.edu if ((ulong)unix_boot_mem >= (ulong)m5Conf.kernStart) { 7528013Sbinkertn@umich.edu panic("CONSOLE: too much memory. Smashing kernel\n"); 7538013Sbinkertn@umich.edu } else { 7548013Sbinkertn@umich.edu printf_lock("unix_boot_mem ends at %x \n", unix_boot_mem); 7558013Sbinkertn@umich.edu } 7567977Shsul@eecs.umich.edu 7578016Sbinkertn@umich.edu JToKern((char *)bootadr, (ulong)rpb_percpu, free_pfn, kargc, kargv, NULL); 7587977Shsul@eecs.umich.edu} 7597977Shsul@eecs.umich.edu 7607977Shsul@eecs.umich.edu 7618013Sbinkertn@umich.eduvoid 7628013Sbinkertn@umich.eduJToKern(char *bootadr, ulong rpb_percpu, ulong free_pfn, ulong k_argc, 7638013Sbinkertn@umich.edu char **k_argv, char **envp) 7647977Shsul@eecs.umich.edu{ 7658013Sbinkertn@umich.edu extern ulong palJToKern[]; 7667977Shsul@eecs.umich.edu 7678013Sbinkertn@umich.edu struct _kernel_params *kernel_params = (struct _kernel_params *) KSEG; 7688013Sbinkertn@umich.edu int i; 7697977Shsul@eecs.umich.edu 7708013Sbinkertn@umich.edu printf_lock("k_argc = %d ", k_argc); 7718013Sbinkertn@umich.edu for (i = 0; i < k_argc; i++) { 7728013Sbinkertn@umich.edu printf_lock("'%s' ", k_argv[i]); 7738013Sbinkertn@umich.edu } 7748013Sbinkertn@umich.edu printf_lock("\n"); 7757977Shsul@eecs.umich.edu 7768013Sbinkertn@umich.edu kernel_params->bootadr = bootadr; 7778013Sbinkertn@umich.edu kernel_params->rpb_percpu = KSEG_TO_PHYS(rpb_percpu); 7788013Sbinkertn@umich.edu kernel_params->free_pfn = free_pfn; 7798013Sbinkertn@umich.edu kernel_params->argc = k_argc; 7808013Sbinkertn@umich.edu kernel_params->argv = (ulong)k_argv; 7818013Sbinkertn@umich.edu kernel_params->envp = (ulong)envp; 7828013Sbinkertn@umich.edu printf_lock("jumping to kernel at 0x%x, (PCBB 0x%x pfn %d)\n", 7838013Sbinkertn@umich.edu bootadr, rpb_percpu, free_pfn); 7848013Sbinkertn@umich.edu JToPal(KSEG_TO_PHYS(palJToKern)); 7858013Sbinkertn@umich.edu printf_lock("returned from JToPal. Looping\n"); 7868013Sbinkertn@umich.edu while (1) 7878013Sbinkertn@umich.edu continue; 7887977Shsul@eecs.umich.edu} 7897977Shsul@eecs.umich.edu 7908013Sbinkertn@umich.eduvoid 7918013Sbinkertn@umich.eduJToPal(ulong bootadr) 7928013Sbinkertn@umich.edu{ 7938013Sbinkertn@umich.edu cServe(bootadr, 0, CSERVE_K_JTOPAL); 7947977Shsul@eecs.umich.edu 7958013Sbinkertn@umich.edu /* 7968013Sbinkertn@umich.edu * Make sure that floating point is enabled incase 7978013Sbinkertn@umich.edu * it was disabled by the user program. 7988013Sbinkertn@umich.edu */ 7998013Sbinkertn@umich.edu wrfen(1); 8008013Sbinkertn@umich.edu} 8018013Sbinkertn@umich.edu 8028013Sbinkertn@umich.eduint 8038013Sbinkertn@umich.edustrcpy(char *dst, char *src) 8047977Shsul@eecs.umich.edu{ 8058013Sbinkertn@umich.edu int i = 0; 8068013Sbinkertn@umich.edu while (*src) { 8078013Sbinkertn@umich.edu *dst++ = *src++; 8088013Sbinkertn@umich.edu i++; 8098013Sbinkertn@umich.edu } 8108013Sbinkertn@umich.edu return i; 8118013Sbinkertn@umich.edu} 8127977Shsul@eecs.umich.edu 8137977Shsul@eecs.umich.edu/* 8148013Sbinkertn@umich.edu * Console I/O 8158013Sbinkertn@umich.edu * 8167977Shsul@eecs.umich.edu */ 8177977Shsul@eecs.umich.edu 8187977Shsul@eecs.umich.eduint numOpenDevices = 11; 8197977Shsul@eecs.umich.edustruct { 8208013Sbinkertn@umich.edu char name[128]; 8217977Shsul@eecs.umich.edu} deviceState[32]; 8227977Shsul@eecs.umich.edu 8237978Sbinkertn@umich.edu#define BOOTDEVICE_NAME "SCSI 1 0 0 1 100 0" 8247977Shsul@eecs.umich.edu 8257978Sbinkertn@umich.eduvoid 8267978Sbinkertn@umich.eduDeviceOperation(long op, long channel, long count, long address, long block) 8277977Shsul@eecs.umich.edu{ 8288013Sbinkertn@umich.edu long pAddr; 8297977Shsul@eecs.umich.edu 8308013Sbinkertn@umich.edu if (strcmp(deviceState[channel].name, BOOTDEVICE_NAME )) { 8318013Sbinkertn@umich.edu panic("DeviceRead: only implemented for root disk \n"); 8328013Sbinkertn@umich.edu } 8338013Sbinkertn@umich.edu pAddr = KSEG_TO_PHYS(address); 8348013Sbinkertn@umich.edu if (pAddr + count > m5Conf.mem_size) { 8358013Sbinkertn@umich.edu panic("DeviceRead: request out of range \n"); 8368013Sbinkertn@umich.edu } 8377977Shsul@eecs.umich.edu 8388015Sbinkertn@umich.edu m5AlphaAccess->diskCount = count; 8398015Sbinkertn@umich.edu m5AlphaAccess->diskPAddr = pAddr; 8408015Sbinkertn@umich.edu m5AlphaAccess->diskBlock = block; 8418015Sbinkertn@umich.edu m5AlphaAccess->diskOperation = op; /* launch */ 8427977Shsul@eecs.umich.edu} 8437977Shsul@eecs.umich.edu 8448013Sbinkertn@umich.edu/* 8458013Sbinkertn@umich.edu * M5 Console callbacks 8468013Sbinkertn@umich.edu * 8478013Sbinkertn@umich.edu */ 8487977Shsul@eecs.umich.edu 8497977Shsul@eecs.umich.edu/* AXP manual 2-31 */ 8507977Shsul@eecs.umich.edu#define CONSCB_GETC 0x1 8517977Shsul@eecs.umich.edu#define CONSCB_PUTS 0x2 8527977Shsul@eecs.umich.edu#define CONSCB_RESET_TERM 0x3 8537977Shsul@eecs.umich.edu#define CONSCB_SET_TERM_INT 0x4 8547977Shsul@eecs.umich.edu#define CONSCB_SET_TERM_CTL 0x5 8557977Shsul@eecs.umich.edu#define CONSCB_PROCESS_KEY 0x6 8567982Ssaidi@eecs.umich.edu#define CONSCB_OPEN_CONSOLE 0x7 8577982Ssaidi@eecs.umich.edu#define CONSCB_CLOSE_CONSOLE 0x8 8587977Shsul@eecs.umich.edu 8597977Shsul@eecs.umich.edu#define CONSCB_OPEN 0x10 8607977Shsul@eecs.umich.edu#define CONSCB_CLOSE 0x11 8617977Shsul@eecs.umich.edu#define CONSCB_READ 0x13 8627977Shsul@eecs.umich.edu 8637977Shsul@eecs.umich.edu#define CONSCB_GETENV 0x22 8647977Shsul@eecs.umich.edu 8657977Shsul@eecs.umich.edu/* AXP manual 2-26 */ 8667978Sbinkertn@umich.edu#define ENV_AUTO_ACTION 0X01 8677978Sbinkertn@umich.edu#define ENV_BOOT_DEV 0X02 8687978Sbinkertn@umich.edu#define ENV_BOOTDEF_DEV 0X03 8697978Sbinkertn@umich.edu#define ENV_BOOTED_DEV 0X04 8707978Sbinkertn@umich.edu#define ENV_BOOT_FILE 0X05 8717978Sbinkertn@umich.edu#define ENV_BOOTED_FILE 0X06 8727978Sbinkertn@umich.edu#define ENV_BOOT_OSFLAGS 0X07 8737978Sbinkertn@umich.edu#define ENV_BOOTED_OSFLAGS 0X08 8747978Sbinkertn@umich.edu#define ENV_BOOT_RESET 0X09 8757978Sbinkertn@umich.edu#define ENV_DUMP_DEV 0X0A 8767978Sbinkertn@umich.edu#define ENV_ENABLE_AUDIT 0X0B 8777978Sbinkertn@umich.edu#define ENV_LICENSE 0X0C 8787978Sbinkertn@umich.edu#define ENV_CHAR_SET 0X0D 8797978Sbinkertn@umich.edu#define ENV_LANGUAGE 0X0E 8807978Sbinkertn@umich.edu#define ENV_TTY_DEV 0X0F 8817978Sbinkertn@umich.edu#define ENV_SCSIID 0X42 8827978Sbinkertn@umich.edu#define ENV_SCSIFAST 0X43 8837978Sbinkertn@umich.edu#define ENV_COM1_BAUD 0X44 8847978Sbinkertn@umich.edu#define ENV_COM1_MODEM 0X45 8857978Sbinkertn@umich.edu#define ENV_COM1_FLOW 0X46 8867978Sbinkertn@umich.edu#define ENV_COM1_MISC 0X47 8877978Sbinkertn@umich.edu#define ENV_COM2_BAUD 0X48 8887978Sbinkertn@umich.edu#define ENV_COM2_MODEM 0X49 8897978Sbinkertn@umich.edu#define ENV_COM2_FLOW 0X4A 8907978Sbinkertn@umich.edu#define ENV_COM2_MISC 0X4B 8917978Sbinkertn@umich.edu#define ENV_PASSWORD 0X4C 8927978Sbinkertn@umich.edu#define ENV_SECURE 0X4D 8937978Sbinkertn@umich.edu#define ENV_LOGFAIL 0X4E 8947978Sbinkertn@umich.edu#define ENV_SRM2DEV_ID 0X4F 8957977Shsul@eecs.umich.edu 8967978Sbinkertn@umich.edu#define MAX_ENVLEN 32 8977977Shsul@eecs.umich.edu 8988013Sbinkertn@umich.educhar env_auto_action[MAX_ENVLEN] = "BOOT"; 8998013Sbinkertn@umich.educhar env_boot_dev[MAX_ENVLEN] = ""; 9008013Sbinkertn@umich.educhar env_bootdef_dev[MAX_ENVLEN] = ""; 9018013Sbinkertn@umich.educhar env_booted_dev[MAX_ENVLEN] = BOOTDEVICE_NAME; 9028013Sbinkertn@umich.educhar env_boot_file[MAX_ENVLEN] = ""; 9038013Sbinkertn@umich.educhar env_booted_file[MAX_ENVLEN] = ""; 9048013Sbinkertn@umich.educhar env_boot_osflags[MAX_ENVLEN] = ""; 9058013Sbinkertn@umich.educhar env_booted_osflags[MAX_ENVLEN] = ""; 9068013Sbinkertn@umich.educhar env_boot_reset[MAX_ENVLEN] = ""; 9078013Sbinkertn@umich.educhar env_dump_dev[MAX_ENVLEN] = ""; 9088013Sbinkertn@umich.educhar env_enable_audit[MAX_ENVLEN] = ""; 9098013Sbinkertn@umich.educhar env_license[MAX_ENVLEN] = ""; 9108013Sbinkertn@umich.educhar env_char_set[MAX_ENVLEN] = ""; 9118013Sbinkertn@umich.educhar env_language[MAX_ENVLEN] = ""; 9128013Sbinkertn@umich.educhar env_tty_dev[MAX_ENVLEN] = "0"; 9138013Sbinkertn@umich.educhar env_scsiid[MAX_ENVLEN] = ""; 9148013Sbinkertn@umich.educhar env_scsifast[MAX_ENVLEN] = ""; 9158013Sbinkertn@umich.educhar env_com1_baud[MAX_ENVLEN] = ""; 9168013Sbinkertn@umich.educhar env_com1_modem[MAX_ENVLEN] = ""; 9178013Sbinkertn@umich.educhar env_com1_flow[MAX_ENVLEN] = ""; 9188013Sbinkertn@umich.educhar env_com1_misc[MAX_ENVLEN] = ""; 9198013Sbinkertn@umich.educhar env_com2_baud[MAX_ENVLEN] = ""; 9208013Sbinkertn@umich.educhar env_com2_modem[MAX_ENVLEN] = ""; 9218013Sbinkertn@umich.educhar env_com2_flow[MAX_ENVLEN] = ""; 9228013Sbinkertn@umich.educhar env_com2_misc[MAX_ENVLEN] = ""; 9238013Sbinkertn@umich.educhar env_password[MAX_ENVLEN] = ""; 9248013Sbinkertn@umich.educhar env_secure[MAX_ENVLEN] = ""; 9258013Sbinkertn@umich.educhar env_logfail[MAX_ENVLEN] = ""; 9268013Sbinkertn@umich.educhar env_srm2dev_id[MAX_ENVLEN] = ""; 9277979Sbinkertn@umich.edu 9287979Sbinkertn@umich.edu#define MAX_ENV_INDEX 100 9298013Sbinkertn@umich.educhar *envptr[MAX_ENV_INDEX] = { 9307979Sbinkertn@umich.edu 0, /* 0x00 */ 9317979Sbinkertn@umich.edu env_auto_action, /* 0x01 */ 9327979Sbinkertn@umich.edu env_boot_dev, /* 0x02 */ 9337979Sbinkertn@umich.edu env_bootdef_dev, /* 0x03 */ 9347979Sbinkertn@umich.edu env_booted_dev, /* 0x04 */ 9357979Sbinkertn@umich.edu env_boot_file, /* 0x05 */ 9367979Sbinkertn@umich.edu env_booted_file, /* 0x06 */ 9377979Sbinkertn@umich.edu env_boot_osflags, /* 0x07 */ 9387979Sbinkertn@umich.edu env_booted_osflags, /* 0x08 */ 9397979Sbinkertn@umich.edu env_boot_reset, /* 0x09 */ 9407979Sbinkertn@umich.edu env_dump_dev, /* 0x0A */ 9417979Sbinkertn@umich.edu env_enable_audit, /* 0x0B */ 9427979Sbinkertn@umich.edu env_license, /* 0x0C */ 9437979Sbinkertn@umich.edu env_char_set, /* 0x0D */ 9447979Sbinkertn@umich.edu (char *)&env_language, /* 0x0E */ 9457979Sbinkertn@umich.edu env_tty_dev, /* 0x0F */ 9467979Sbinkertn@umich.edu 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, /* 0x10 - 0x1F */ 9477979Sbinkertn@umich.edu 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, /* 0x20 - 0x2F */ 9487979Sbinkertn@umich.edu 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, /* 0x30 - 0x3F */ 9497979Sbinkertn@umich.edu 0, /* 0x40 */ 9507979Sbinkertn@umich.edu 0, /* 0x41 */ 9517979Sbinkertn@umich.edu env_scsiid, /* 0x42 */ 9527979Sbinkertn@umich.edu env_scsifast, /* 0x43 */ 9537979Sbinkertn@umich.edu env_com1_baud, /* 0x44 */ 9547979Sbinkertn@umich.edu env_com1_modem, /* 0x45 */ 9557979Sbinkertn@umich.edu env_com1_flow, /* 0x46 */ 9567979Sbinkertn@umich.edu env_com1_misc, /* 0x47 */ 9577979Sbinkertn@umich.edu env_com2_baud, /* 0x48 */ 9587979Sbinkertn@umich.edu env_com2_modem, /* 0x49 */ 9597979Sbinkertn@umich.edu env_com2_flow, /* 0x4A */ 9607979Sbinkertn@umich.edu env_com2_misc, /* 0x4B */ 9617979Sbinkertn@umich.edu env_password, /* 0x4C */ 9627979Sbinkertn@umich.edu env_secure, /* 0x4D */ 9637979Sbinkertn@umich.edu env_logfail, /* 0x4E */ 9647979Sbinkertn@umich.edu env_srm2dev_id, /* 0x4F */ 9657979Sbinkertn@umich.edu 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, /* 0x50 - 0x5F */ 9667979Sbinkertn@umich.edu 0, /* 0x60 */ 9677979Sbinkertn@umich.edu 0, /* 0x61 */ 9687979Sbinkertn@umich.edu 0, /* 0x62 */ 9697979Sbinkertn@umich.edu 0, /* 0x63 */ 9707979Sbinkertn@umich.edu}; 9717978Sbinkertn@umich.edu 9727978Sbinkertn@umich.edulong 9737978Sbinkertn@umich.eduCallBackDispatcher(long a0, long a1, long a2, long a3, long a4) 9747977Shsul@eecs.umich.edu{ 9758013Sbinkertn@umich.edu long i; 9768013Sbinkertn@umich.edu switch (a0) { 9778013Sbinkertn@umich.edu case CONSCB_GETC: 9788013Sbinkertn@umich.edu return GetChar(); 9797978Sbinkertn@umich.edu 9808013Sbinkertn@umich.edu case CONSCB_PUTS: 9818013Sbinkertn@umich.edu for (i = 0; i < a3; i++) 9828013Sbinkertn@umich.edu PutChar(*((char *)a2 + i)); 9838013Sbinkertn@umich.edu return a3; 9847978Sbinkertn@umich.edu 9858013Sbinkertn@umich.edu case CONSCB_GETENV: 9868013Sbinkertn@umich.edu if (a1 >= 0 && a1 < MAX_ENV_INDEX && envptr[a1] != 0 && *envptr[a1]) { 9878013Sbinkertn@umich.edu i = strcpy((char*)a2, envptr[a1]); 9888013Sbinkertn@umich.edu } else { 9898013Sbinkertn@umich.edu strcpy((char*)a2, ""); 9908013Sbinkertn@umich.edu i = (long)0xc000000000000000; 9918013Sbinkertn@umich.edu if (a1 >= 0 && a1 < MAX_ENV_INDEX) 9928013Sbinkertn@umich.edu printf_lock("GETENV unsupported option %d (0x%x)\n", a1, a1); 9938013Sbinkertn@umich.edu else 9948013Sbinkertn@umich.edu printf_lock("GETENV unsupported option %s\n", a1); 9958013Sbinkertn@umich.edu } 9967978Sbinkertn@umich.edu 9978013Sbinkertn@umich.edu if (i > a3) 9988013Sbinkertn@umich.edu panic("CONSCB_GETENV overwrote buffer\n"); 9998013Sbinkertn@umich.edu return i; 10007978Sbinkertn@umich.edu 10018013Sbinkertn@umich.edu case CONSCB_OPEN: 10028013Sbinkertn@umich.edu bcopy((char*)a1, deviceState[numOpenDevices].name, a2); 10038013Sbinkertn@umich.edu deviceState[numOpenDevices].name[a2] = '\0'; 10048013Sbinkertn@umich.edu printf_lock("CONSOLE OPEN : %s --> success \n", 10058013Sbinkertn@umich.edu deviceState[numOpenDevices].name); 10068013Sbinkertn@umich.edu return numOpenDevices++; 10077977Shsul@eecs.umich.edu 10088013Sbinkertn@umich.edu case CONSCB_READ: 10098013Sbinkertn@umich.edu DeviceOperation(a0, a1, a2, a3, a4); 10108013Sbinkertn@umich.edu break; 10117979Sbinkertn@umich.edu 10128013Sbinkertn@umich.edu case CONSCB_CLOSE: 10138013Sbinkertn@umich.edu break; 10147979Sbinkertn@umich.edu 10158013Sbinkertn@umich.edu case CONSCB_OPEN_CONSOLE: 10168013Sbinkertn@umich.edu printf_lock("CONSOLE OPEN\n"); 10178013Sbinkertn@umich.edu return 0; /* success */ 10188013Sbinkertn@umich.edu break; /* not reached */ 10197979Sbinkertn@umich.edu 10208013Sbinkertn@umich.edu case CONSCB_CLOSE_CONSOLE: 10218013Sbinkertn@umich.edu printf_lock("CONSOLE CLOSE\n"); 10228013Sbinkertn@umich.edu return 0; /* success */ 10238013Sbinkertn@umich.edu break; /* not reached */ 10248013Sbinkertn@umich.edu 10258013Sbinkertn@umich.edu default: 10268013Sbinkertn@umich.edu panic("CallBackDispatcher(%x,%x,%x,%x,%x)\n", a0, a1, a2, a3, a4); 10278013Sbinkertn@umich.edu } 10288013Sbinkertn@umich.edu 10298013Sbinkertn@umich.edu return 0; 10307977Shsul@eecs.umich.edu} 10317977Shsul@eecs.umich.edu 10328013Sbinkertn@umich.edulong 10338013Sbinkertn@umich.eduCallBackFixup(int a0, int a1, int a2) 10347977Shsul@eecs.umich.edu{ 10358013Sbinkertn@umich.edu long temp; 10368013Sbinkertn@umich.edu /* 10378013Sbinkertn@umich.edu * Linux uses r8 for the current pointer (pointer to data 10388013Sbinkertn@umich.edu * structure contating info about currently running process). It 10398013Sbinkertn@umich.edu * is set when the kernel starts and is expected to remain 10408013Sbinkertn@umich.edu * there... Problem is that the unlike the kernel, the console 10418013Sbinkertn@umich.edu * does not prevent the assembler from using r8. So here is a work 10428013Sbinkertn@umich.edu * around. So far this has only been a problem in CallBackFixup() 10438013Sbinkertn@umich.edu * but any other call back functions couldd cause a problem at 10448013Sbinkertn@umich.edu * some point 10458013Sbinkertn@umich.edu */ 10467985Ssaidi@eecs.umich.edu 10478013Sbinkertn@umich.edu /* save off the current pointer to a temp variable */ 10488013Sbinkertn@umich.edu asm("bis $8, $31, %0" : "=r" (temp)); 10497985Ssaidi@eecs.umich.edu 10508013Sbinkertn@umich.edu /* call original code */ 10518013Sbinkertn@umich.edu printf_lock("CallbackFixup %x %x, t7=%x\n", a0, a1, temp); 10527985Ssaidi@eecs.umich.edu 10538013Sbinkertn@umich.edu /* restore the current pointer */ 10548013Sbinkertn@umich.edu asm("bis %0, $31, $8" : : "r" (temp) : "$8"); 10557977Shsul@eecs.umich.edu 10568013Sbinkertn@umich.edu return 0; 10577977Shsul@eecs.umich.edu} 10587977Shsul@eecs.umich.edu 10598013Sbinkertn@umich.eduvoid 10608013Sbinkertn@umich.eduSlaveCmd(int cpu, struct rpb_percpu *my_rpb) 10618013Sbinkertn@umich.edu{ 10628013Sbinkertn@umich.edu extern ulong palJToSlave[]; 10637977Shsul@eecs.umich.edu 10648013Sbinkertn@umich.edu printf_lock("Slave CPU %d console command %s", cpu, 10658013Sbinkertn@umich.edu my_rpb->rpb_iccb.iccb_rxbuf); 10667977Shsul@eecs.umich.edu 10678013Sbinkertn@umich.edu my_rpb->rpb_state |= STATE_BIP; 10688013Sbinkertn@umich.edu my_rpb->rpb_state &= ~STATE_RC; 10697977Shsul@eecs.umich.edu 10708013Sbinkertn@umich.edu printf_lock("SlaveCmd: restart %x %x vptb %x my_rpb %x my_rpb_phys %x\n", 10718013Sbinkertn@umich.edu rpb->rpb_restart, rpb->rpb_restart_pv, rpb->rpb_vptb, my_rpb, 10728013Sbinkertn@umich.edu KSEG_TO_PHYS(my_rpb)); 10737977Shsul@eecs.umich.edu 10748013Sbinkertn@umich.edu cServe(KSEG_TO_PHYS(palJToSlave), (ulong)rpb->rpb_restart, 10758013Sbinkertn@umich.edu CSERVE_K_JTOPAL, rpb->rpb_restart_pv, rpb->rpb_vptb, 10768013Sbinkertn@umich.edu KSEG_TO_PHYS(my_rpb)); 10777977Shsul@eecs.umich.edu 10788013Sbinkertn@umich.edu panic("SlaveCmd returned \n"); 10797977Shsul@eecs.umich.edu} 10807977Shsul@eecs.umich.edu 10818013Sbinkertn@umich.eduvoid 10828013Sbinkertn@umich.eduSlaveLoop(int cpu) 10837977Shsul@eecs.umich.edu{ 10848013Sbinkertn@umich.edu int size = ROUNDUP128(sizeof(struct rpb_percpu)); 10858013Sbinkertn@umich.edu struct rpb_percpu *my_rpb = (struct rpb_percpu*) 10868013Sbinkertn@umich.edu ((ulong)rpb_percpu + size * cpu); 10877977Shsul@eecs.umich.edu 10888013Sbinkertn@umich.edu if (cpu == 0) { 10898013Sbinkertn@umich.edu panic("CPU�0 entering slaveLoop. Reenetering the console. HOSED\n"); 10908013Sbinkertn@umich.edu } else { 10918013Sbinkertn@umich.edu printf_lock("Entering slaveloop for cpu %d my_rpb=%x\n", cpu, my_rpb); 10928013Sbinkertn@umich.edu } 10938004Ssaidi@eecs.umich.edu 10948013Sbinkertn@umich.edu // swap the processors context to the one in the 10958013Sbinkertn@umich.edu // rpb_percpu struct very carefully (i.e. no stack usage) 10968013Sbinkertn@umich.edu // so that linux knows which processor ends up in __smp_callin 10978013Sbinkertn@umich.edu // and we don't trash any data is the process 10988013Sbinkertn@umich.edu SlaveSpin(cpu, my_rpb, &my_rpb->rpb_iccb.iccb_rxlen); 10997977Shsul@eecs.umich.edu} 1100