console.c revision 8016
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 * 68013Sbinkertn@umich.edu * This code is part of the M5 simulator, developed by Nathan Binkert, 78013Sbinkertn@umich.edu * Erik Hallnor, Steve Raasch, and Steve Reinhardt, with contributions 88013Sbinkertn@umich.edu * from Ron Dreslinski, Dave Greene, Lisa Hsu, Ali Saidi, and Andrew 98013Sbinkertn@umich.edu * Schultz. 108013Sbinkertn@umich.edu * 118013Sbinkertn@umich.edu * Permission is granted to use, copy, create derivative works and 128013Sbinkertn@umich.edu * redistribute this software and such derivative works for any purpose, 138013Sbinkertn@umich.edu * so long as the copyright notice above, this grant of permission, and 148013Sbinkertn@umich.edu * the disclaimer below appear in all copies made; and so long as the 158013Sbinkertn@umich.edu * name of The University of Michigan is not used in any advertising or 168013Sbinkertn@umich.edu * publicity pertaining to the use or distribution of this software 178013Sbinkertn@umich.edu * without specific, written prior authorization. 188013Sbinkertn@umich.edu * 198013Sbinkertn@umich.edu * THIS SOFTWARE IS PROVIDED AS IS, WITHOUT REPRESENTATION FROM THE 208013Sbinkertn@umich.edu * UNIVERSITY OF MICHIGAN AS TO ITS FITNESS FOR ANY PURPOSE, AND WITHOUT 218013Sbinkertn@umich.edu * WARRANTY BY THE UNIVERSITY OF MICHIGAN OF ANY KIND, EITHER EXPRESS OR 228013Sbinkertn@umich.edu * IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF 238013Sbinkertn@umich.edu * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE REGENTS OF 248013Sbinkertn@umich.edu * THE UNIVERSITY OF MICHIGAN SHALL NOT BE LIABLE FOR ANY DAMAGES, 258013Sbinkertn@umich.edu * INCLUDING DIRECT, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL 268013Sbinkertn@umich.edu * DAMAGES, WITH RESPECT TO ANY CLAIM ARISING OUT OF OR IN CONNECTION 278013Sbinkertn@umich.edu * WITH THE USE OF THE SOFTWARE, EVEN IF IT HAS BEEN OR IS HEREAFTER 288013Sbinkertn@umich.edu * ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. 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 637978Sbinkertn@umich.edu#include "alpha_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 727977Shsul@eecs.umich.edu#define KSEG 0xfffffc0000000000 737977Shsul@eecs.umich.edu#define K1BASE 0xfffffc8000000000 748013Sbinkertn@umich.edu#define KSEG_TO_PHYS(x) (((ulong)x) & ~KSEG) 757977Shsul@eecs.umich.edu 768013Sbinkertn@umich.edu#define ROUNDUP8(x) ((ulong)(((ulong)x)+7) & ~7) 778013Sbinkertn@umich.edu#define ROUNDUP128(x) ((ulong)(((ulong)x) + 127) & ~127) 788013Sbinkertn@umich.edu#define ROUNDUP8K(x) ((ulong)(((ulong)(x)) + 8191) & ~8191) 797977Shsul@eecs.umich.edu 808013Sbinkertn@umich.edu#define FIRST(x) ((((ulong)(x)) >> 33) & 0x3ff) 818013Sbinkertn@umich.edu#define SECOND(x) ((((ulong)(x)) >> 23) & 0x3ff) 828013Sbinkertn@umich.edu#define THIRD(x) ((((ulong)(x)) >> 13) & 0x3ff) 838013Sbinkertn@umich.edu#define THIRD_XXX(x) ((((ulong)(x)) >> 13) & 0xfff) 848013Sbinkertn@umich.edu#define PFN(x) ((((ulong)(x) & ~KSEG) >> 13)) 857977Shsul@eecs.umich.edu 867977Shsul@eecs.umich.edu/* Kernel write | kernel read | valid */ 878013Sbinkertn@umich.edu#define KPTE(x) ((ulong)((((ulong)(x)) << 32) | 0x1101)) 887977Shsul@eecs.umich.edu 898010Ssaidi@eecs.umich.edu#define HWRPB_PAGES 16 907977Shsul@eecs.umich.edu#define MDT_BITMAP_PAGES 4 917977Shsul@eecs.umich.edu 927977Shsul@eecs.umich.edu#define NUM_KERNEL_THIRD (4) 937977Shsul@eecs.umich.edu 948013Sbinkertn@umich.edu#define printf_lock(args...) \ 958013Sbinkertn@umich.edu do { \ 968013Sbinkertn@umich.edu SpinLock(&theLock); \ 978013Sbinkertn@umich.edu printf(args); \ 988013Sbinkertn@umich.edu SpinUnlock(&theLock); \ 998009Ssaidi@eecs.umich.edu } while (0) 1008009Ssaidi@eecs.umich.edu 1017977Shsul@eecs.umich.edu 1028016Sbinkertn@umich.eduvoid unixBoot(int argc, char **argv); 1038013Sbinkertn@umich.eduvoid JToKern(char *bootadr, ulong rpb_percpu, ulong free_pfn, ulong k_argc, 1048013Sbinkertn@umich.edu char **k_argv, char **envp); 1058013Sbinkertn@umich.eduvoid JToPal(ulong bootadr); 1067977Shsul@eecs.umich.eduvoid SlaveLoop(int cpu); 1077977Shsul@eecs.umich.edu 1088015Sbinkertn@umich.eduvolatile struct AlphaAccess *m5AlphaAccess; 1098013Sbinkertn@umich.edustruct AlphaAccess m5Conf; 1107977Shsul@eecs.umich.edu 1118013Sbinkertn@umich.eduulong theLock; 1127977Shsul@eecs.umich.edu 1138013Sbinkertn@umich.eduextern void SpinLock(ulong *lock); 1147977Shsul@eecs.umich.edu#define SpinUnlock(_x) *(_x) = 0; 1157977Shsul@eecs.umich.edu 1167977Shsul@eecs.umich.edustruct _kernel_params { 1178013Sbinkertn@umich.edu char *bootadr; 1188013Sbinkertn@umich.edu ulong rpb_percpu; 1198013Sbinkertn@umich.edu ulong free_pfn; 1208013Sbinkertn@umich.edu ulong argc; 1218013Sbinkertn@umich.edu ulong argv; 1228013Sbinkertn@umich.edu ulong envp; /* NULL */ 1237977Shsul@eecs.umich.edu}; 1247977Shsul@eecs.umich.edu 1257977Shsul@eecs.umich.eduextern consoleCallback[]; 1267977Shsul@eecs.umich.eduextern consoleFixup[]; 1277977Shsul@eecs.umich.edulong CallBackDispatcher(); 1287977Shsul@eecs.umich.edulong CallBackFixup(); 1297977Shsul@eecs.umich.edu 1307977Shsul@eecs.umich.edu/* 1318013Sbinkertn@umich.edu * m5 console output 1327977Shsul@eecs.umich.edu */ 1337977Shsul@eecs.umich.edu 1348013Sbinkertn@umich.eduvoid 1358013Sbinkertn@umich.eduInitConsole() 1367977Shsul@eecs.umich.edu{ 1377977Shsul@eecs.umich.edu} 1387977Shsul@eecs.umich.edu 1398013Sbinkertn@umich.educhar 1408013Sbinkertn@umich.eduGetChar() 1417978Sbinkertn@umich.edu{ 1428015Sbinkertn@umich.edu return m5AlphaAccess->inputChar; 1437978Sbinkertn@umich.edu} 1447978Sbinkertn@umich.edu 1458013Sbinkertn@umich.eduvoid 1468013Sbinkertn@umich.eduPutChar(char c) 1477977Shsul@eecs.umich.edu{ 1488015Sbinkertn@umich.edu m5AlphaAccess->outputChar = c; 1497977Shsul@eecs.umich.edu} 1507977Shsul@eecs.umich.edu 1517978Sbinkertn@umich.eduint 1527978Sbinkertn@umich.edupassArgs(int argc) 1538013Sbinkertn@umich.edu{ 1548013Sbinkertn@umich.edu return 0; 1558013Sbinkertn@umich.edu} 1567977Shsul@eecs.umich.edu 1577978Sbinkertn@umich.eduint 1587977Shsul@eecs.umich.edumain(int argc, char **argv) 1597977Shsul@eecs.umich.edu{ 1608013Sbinkertn@umich.edu int x, i; 1618013Sbinkertn@umich.edu uint *k1ptr, *ksegptr; 1627977Shsul@eecs.umich.edu 1638013Sbinkertn@umich.edu InitConsole(); 1648015Sbinkertn@umich.edu printf_lock("M5 console: m5AlphaAccess @ 0x%x\n", m5AlphaAccess); 1657977Shsul@eecs.umich.edu 1668013Sbinkertn@umich.edu /* 1678013Sbinkertn@umich.edu * get configuration from backdoor 1688013Sbinkertn@umich.edu */ 1698015Sbinkertn@umich.edu m5Conf.last_offset = m5AlphaAccess->last_offset; 1708013Sbinkertn@umich.edu printf_lock("Got Configuration %d\n", m5Conf.last_offset); 1718001Ssaidi@eecs.umich.edu 1728015Sbinkertn@umich.edu m5Conf.last_offset = m5AlphaAccess->last_offset; 1738015Sbinkertn@umich.edu m5Conf.version = m5AlphaAccess->version; 1748015Sbinkertn@umich.edu m5Conf.numCPUs = m5AlphaAccess->numCPUs; 1758015Sbinkertn@umich.edu m5Conf.intrClockFrequency = m5AlphaAccess->intrClockFrequency; 1768015Sbinkertn@umich.edu m5Conf.cpuClock = m5AlphaAccess->cpuClock; 1778015Sbinkertn@umich.edu m5Conf.mem_size = m5AlphaAccess->mem_size; 1788015Sbinkertn@umich.edu m5Conf.kernStart = m5AlphaAccess->kernStart; 1798015Sbinkertn@umich.edu m5Conf.kernEnd = m5AlphaAccess->kernEnd; 1808015Sbinkertn@umich.edu m5Conf.entryPoint = m5AlphaAccess->entryPoint; 1818015Sbinkertn@umich.edu m5Conf.diskUnit = m5AlphaAccess->diskUnit; 1828015Sbinkertn@umich.edu m5Conf.diskCount = m5AlphaAccess->diskCount; 1838015Sbinkertn@umich.edu m5Conf.diskPAddr = m5AlphaAccess->diskPAddr; 1848015Sbinkertn@umich.edu m5Conf.diskBlock = m5AlphaAccess->diskBlock; 1858015Sbinkertn@umich.edu m5Conf.diskOperation = m5AlphaAccess->diskOperation; 1868015Sbinkertn@umich.edu m5Conf.outputChar = m5AlphaAccess->outputChar; 1878015Sbinkertn@umich.edu m5Conf.inputChar = m5AlphaAccess->inputChar; 1888015Sbinkertn@umich.edu m5Conf.bootStrapImpure = m5AlphaAccess->bootStrapImpure; 1898015Sbinkertn@umich.edu m5Conf.bootStrapCPU = m5AlphaAccess->bootStrapCPU; 1907977Shsul@eecs.umich.edu 1918013Sbinkertn@umich.edu if (m5Conf.version != ALPHA_ACCESS_VERSION) { 1928013Sbinkertn@umich.edu panic("Console version mismatch. Console expects %d. has %d \n", 1938013Sbinkertn@umich.edu ALPHA_ACCESS_VERSION, m5Conf.version); 1948013Sbinkertn@umich.edu } 1957977Shsul@eecs.umich.edu 1968013Sbinkertn@umich.edu /* 1978013Sbinkertn@umich.edu * setup arguments to kernel 1988013Sbinkertn@umich.edu */ 1998016Sbinkertn@umich.edu unixBoot(argc, argv); 2007977Shsul@eecs.umich.edu 2018016Sbinkertn@umich.edu panic("unix failed to boot\n"); 2028016Sbinkertn@umich.edu return 1; 2037977Shsul@eecs.umich.edu} 2047977Shsul@eecs.umich.edu 2057977Shsul@eecs.umich.edu/* 2067977Shsul@eecs.umich.edu * BOOTING 2077977Shsul@eecs.umich.edu */ 2088013Sbinkertn@umich.edustruct rpb m5_rpb = { 2098013Sbinkertn@umich.edu NULL, /* 000: physical self-reference */ 2108013Sbinkertn@umich.edu ((long)'H') | (((long)'W') << 8) | (((long)'R') << 16) | 2118013Sbinkertn@umich.edu ((long)'P' << 24) | (((long)'B') << 32), /* 008: contains "HWRPB" */ 2128013Sbinkertn@umich.edu 6, /* 010: HWRPB version number */ 2138013Sbinkertn@umich.edu /* the byte count is wrong, but who needs it? - lance */ 2148013Sbinkertn@umich.edu 0, /* 018: bytes in RPB perCPU CTB CRB MEDSC */ 2158013Sbinkertn@umich.edu 0, /* 020: primary cpu id */ 2168013Sbinkertn@umich.edu PAGE_SIZE, /* 028: page size in bytes */ 2178013Sbinkertn@umich.edu 43, /* 030: number of phys addr bits */ 2188013Sbinkertn@umich.edu 127, /* 038: max valid ASN */ 2198013Sbinkertn@umich.edu {'0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','1'}, 2208013Sbinkertn@umich.edu /* 040: system serial num: 10 ascii chars */ 2218013Sbinkertn@umich.edu 0, /* OVERRIDDEN */ 2228013Sbinkertn@umich.edu (1<<10), /* 058: system variation */ 2238013Sbinkertn@umich.edu 'c'|('o'<<8)|('o'<<16)|('l'<< 24), /* 060: system revision */ 2248013Sbinkertn@umich.edu 1024*4096, /* 068: scaled interval clock intr freq */ 2258013Sbinkertn@umich.edu 0, /* 070: cycle counter frequency */ 2268013Sbinkertn@umich.edu 0x200000000, /* 078: virtual page table base */ 2278013Sbinkertn@umich.edu 0, /* 080: reserved */ 2288013Sbinkertn@umich.edu 0, /* 088: offset to translation buffer hint */ 2298013Sbinkertn@umich.edu 1, /* 090: number of processor slots OVERRIDDEN*/ 2308013Sbinkertn@umich.edu sizeof(struct rpb_percpu), /* 098: per-cpu slot size. OVERRIDDEN */ 2318013Sbinkertn@umich.edu 0, /* 0A0: offset to per_cpu slots */ 2328013Sbinkertn@umich.edu 1, /* 0A8: number of CTBs */ 2338013Sbinkertn@umich.edu sizeof(struct ctb_tt), 2348013Sbinkertn@umich.edu 0, /* 0B8: offset to CTB (cons term block) */ 2358013Sbinkertn@umich.edu 0, /* 0C0: offset to CRB (cons routine block) */ 2368013Sbinkertn@umich.edu 0, /* 0C8: offset to memory descriptor table */ 2378013Sbinkertn@umich.edu 0, /* 0D0: offset to config data block */ 2388013Sbinkertn@umich.edu 0, /* 0D8: offset to FRU table */ 2398013Sbinkertn@umich.edu 0, /* 0E0: virt addr of save term routine */ 2408013Sbinkertn@umich.edu 0, /* 0E8: proc value for save term routine */ 2418013Sbinkertn@umich.edu 0, /* 0F0: virt addr of restore term routine */ 2428013Sbinkertn@umich.edu 0, /* 0F8: proc value for restore term routine */ 2438013Sbinkertn@umich.edu 0, /* 100: virt addr of CPU restart routine */ 2448013Sbinkertn@umich.edu 0, /* 108: proc value for CPU restart routine */ 2458013Sbinkertn@umich.edu 0, /* 110: used to determine presence of kdebug */ 2468013Sbinkertn@umich.edu 0, /* 118: reserved for hardware */ 2477977Shsul@eecs.umich.edu/* the checksum is wrong, but who needs it? - lance */ 2488013Sbinkertn@umich.edu 0, /* 120: checksum of prior entries in rpb */ 2498013Sbinkertn@umich.edu 0, /* 128: receive ready bitmask */ 2508013Sbinkertn@umich.edu 0, /* 130: transmit ready bitmask */ 2518013Sbinkertn@umich.edu 0, /* 138: Dynamic System Recog. offset */ 2527977Shsul@eecs.umich.edu}; 2537977Shsul@eecs.umich.edu 2548013Sbinkertn@umich.eduulong m5_tbb[] = { 0x1e1e1e1e1e1e1e1e, 0x1e1e1e1e1e1e1e1e, 2558013Sbinkertn@umich.edu 0x1e1e1e1e1e1e1e1e, 0x1e1e1e1e1e1e1e1e, 2568013Sbinkertn@umich.edu 0x1e1e1e1e1e1e1e1e, 0x1e1e1e1e1e1e1e1e, 2578013Sbinkertn@umich.edu 0x1e1e1e1e1e1e1e1e, 0x1e1e1e1e1e1e1e1e }; 2587977Shsul@eecs.umich.edu 2598013Sbinkertn@umich.edustruct rpb_percpu m5_rpb_percpu = { 2608013Sbinkertn@umich.edu {0,0,0,0,0,0,1,{0,0},{0,0,0,0,0,0,0,0}}, /* 000: boot/restart HWPCB */ 2618013Sbinkertn@umich.edu (STATE_PA | STATE_PP | STATE_CV | 2628013Sbinkertn@umich.edu STATE_PV | STATE_PMV | STATE_PL), /* 080: per-cpu state bits */ 2638013Sbinkertn@umich.edu 0xc000, /* 088: palcode memory length */ 2648013Sbinkertn@umich.edu 0x2000, /* 090: palcode scratch length */ 2658013Sbinkertn@umich.edu 0x4000, /* 098: paddr of pal mem space */ 2668013Sbinkertn@umich.edu 0x2000, /* 0A0: paddr of pal scratch space */ 2678013Sbinkertn@umich.edu (2 << 16) | (5 << 8) | 1, /* 0A8: PALcode rev required */ 2688013Sbinkertn@umich.edu 11 | (2L << 32), /* 0B0: processor type */ 2698013Sbinkertn@umich.edu 7, /* 0B8: processor variation */ 2708013Sbinkertn@umich.edu 'M'|('5'<<8)|('A'<<16)|('0'<<24), /* 0C0: processor revision */ 2718013Sbinkertn@umich.edu {'M','5','/','A','l','p','h','a','0','0','0','0','0','0','0','0'}, 2728013Sbinkertn@umich.edu /* 0C8: proc serial num: 10 chars */ 2738013Sbinkertn@umich.edu 0, /* 0D8: phys addr of logout area */ 2748013Sbinkertn@umich.edu 0, /* 0E0: len in bytes of logout area */ 2758013Sbinkertn@umich.edu 0, /* 0E8: halt pcb base */ 2768013Sbinkertn@umich.edu 0, /* 0F0: halt pc */ 2778013Sbinkertn@umich.edu 0, /* 0F8: halt ps */ 2788013Sbinkertn@umich.edu 0, /* 100: halt arg list (R25) */ 2798013Sbinkertn@umich.edu 0, /* 108: halt return address (R26) */ 2808013Sbinkertn@umich.edu 0, /* 110: halt procedure value (R27) */ 2818013Sbinkertn@umich.edu 0, /* 118: reason for halt */ 2828013Sbinkertn@umich.edu 0, /* 120: for software */ 2838013Sbinkertn@umich.edu {0}, /* 128: inter-console comm buffer */ 2848013Sbinkertn@umich.edu {1,0,5,0,0,0,0,0,0,0,0,0,0,0,0,0}, /* 1D0: PALcode revs available */ 2858013Sbinkertn@umich.edu 0 /* 250: reserved for arch use */ 2867977Shsul@eecs.umich.edu/* the dump stack grows from the end of the rpb page not to reach here */ 2877977Shsul@eecs.umich.edu}; 2887977Shsul@eecs.umich.edu 2898013Sbinkertn@umich.edustruct _m5_rpb_mdt { 2908013Sbinkertn@umich.edu long rpb_checksum; /* 000: checksum of entire mem desc table */ 2918013Sbinkertn@umich.edu long rpb_impaddr; /* 008: PA of implementation dep info */ 2928013Sbinkertn@umich.edu long rpb_numcl; /* 010: number of clusters */ 2938013Sbinkertn@umich.edu struct rpb_cluster rpb_cluster[3]; /* first instance of a cluster */ 2947977Shsul@eecs.umich.edu}; 2957977Shsul@eecs.umich.edu 2968013Sbinkertn@umich.edustruct _m5_rpb_mdt m5_rpb_mdt = { 2978013Sbinkertn@umich.edu 0, /* 000: checksum of entire mem desc table */ 2988013Sbinkertn@umich.edu 0, /* 008: PA of implementation dep info */ 2998013Sbinkertn@umich.edu 0, /* 010: number of clusters */ 3008013Sbinkertn@umich.edu {{ 0, /* 000: starting PFN of this cluster */ 3017977Shsul@eecs.umich.edu 0, /* 008: count of PFNs in this cluster */ 3027977Shsul@eecs.umich.edu 0, /* 010: count of tested PFNs in cluster */ 3037977Shsul@eecs.umich.edu 0, /* 018: va of bitmap */ 3047977Shsul@eecs.umich.edu 0, /* 020: pa of bitmap */ 3057977Shsul@eecs.umich.edu 0, /* 028: checksum of bitmap */ 3067977Shsul@eecs.umich.edu 1 /* 030: usage of cluster */ 3078013Sbinkertn@umich.edu }, 3088013Sbinkertn@umich.edu { 0, /* 000: starting PFN of this cluster */ 3098013Sbinkertn@umich.edu 0, /* 008: count of PFNs in this cluster */ 3108013Sbinkertn@umich.edu 0, /* 010: count of tested PFNs in cluster */ 3118013Sbinkertn@umich.edu 0, /* 018: va of bitmap */ 3128013Sbinkertn@umich.edu 0, /* 020: pa of bitmap */ 3138013Sbinkertn@umich.edu 0, /* 028: checksum of bitmap */ 3148013Sbinkertn@umich.edu 0 /* 030: usage of cluster */ 3158013Sbinkertn@umich.edu }, 3168013Sbinkertn@umich.edu { 0, /* 000: starting PFN of this cluster */ 3178013Sbinkertn@umich.edu 0, /* 008: count of PFNs in this cluster */ 3188013Sbinkertn@umich.edu 0, /* 010: count of tested PFNs in cluster */ 3198013Sbinkertn@umich.edu 0, /* 018: va of bitmap */ 3208013Sbinkertn@umich.edu 0, /* 020: pa of bitmap */ 3218013Sbinkertn@umich.edu 0, /* 028: checksum of bitmap */ 3228013Sbinkertn@umich.edu 0 /* 030: usage of cluster */ 3238013Sbinkertn@umich.edu }} 3247977Shsul@eecs.umich.edu}; 3257977Shsul@eecs.umich.edu 3267977Shsul@eecs.umich.edu/* constants for slotinfo bus_type subfield */ 3277977Shsul@eecs.umich.edu#define SLOTINFO_TC 0 3287977Shsul@eecs.umich.edu#define SLOTINFO_ISA 1 3297977Shsul@eecs.umich.edu#define SLOTINFO_EISA 2 3307977Shsul@eecs.umich.edu#define SLOTINFO_PCI 3 3317977Shsul@eecs.umich.edu 3328013Sbinkertn@umich.edustruct rpb_ctb m5_rpb_ctb = { 3338013Sbinkertn@umich.edu CONS_DZ, /* 000: console type */ 3348013Sbinkertn@umich.edu 0, /* 008: console unit */ 3358013Sbinkertn@umich.edu 0, /* 010: reserved */ 3368013Sbinkertn@umich.edu 0 /* 018: byte length of device dep portion */ 3377977Shsul@eecs.umich.edu}; 3387977Shsul@eecs.umich.edu 3397977Shsul@eecs.umich.edu/* we don't do any fixup (aka relocate the console) - we hope */ 3408013Sbinkertn@umich.edustruct rpb_crb m5_rpb_crb = { 3418013Sbinkertn@umich.edu 0, /* va of call-back dispatch rtn */ 3428013Sbinkertn@umich.edu 0, /* pa of call-back dispatch rtn */ 3438013Sbinkertn@umich.edu 0, /* va of call-back fixup rtn */ 3448013Sbinkertn@umich.edu 0, /* pa of call-back fixup rtn */ 3458013Sbinkertn@umich.edu 0, /* number of entries in phys/virt map */ 3468013Sbinkertn@umich.edu 0 /* Number of pages to be mapped */ 3477977Shsul@eecs.umich.edu}; 3487977Shsul@eecs.umich.edu 3497977Shsul@eecs.umich.edustruct _rpb_name { 3508013Sbinkertn@umich.edu ulong length; 3518013Sbinkertn@umich.edu char name[16]; 3527977Shsul@eecs.umich.edu}; 3537977Shsul@eecs.umich.edu 3548013Sbinkertn@umich.eduextern struct _rpb_name m5_name; 3557977Shsul@eecs.umich.edu 3568013Sbinkertn@umich.edustruct rpb_dsr m5_rpb_dsr = { 3578013Sbinkertn@umich.edu 0, 3588013Sbinkertn@umich.edu 0, 3598013Sbinkertn@umich.edu 0, 3607977Shsul@eecs.umich.edu}; 3617977Shsul@eecs.umich.edu 3628013Sbinkertn@umich.edustruct _rpb_name m5_name = { 3638013Sbinkertn@umich.edu 16, 3648013Sbinkertn@umich.edu {'U','M','I','C','H',' ','M','5','/','A','L','P','H','A',' ',0}, 3657977Shsul@eecs.umich.edu}; 3667977Shsul@eecs.umich.edu 3678013Sbinkertn@umich.edu/* 3688013Sbinkertn@umich.edu * M5 has one LURT entry: 3698013Sbinkertn@umich.edu * 1050 is for workstations 3708013Sbinkertn@umich.edu * 1100 is servers (and is needed for CXX) 3718013Sbinkertn@umich.edu */ 3728013Sbinkertn@umich.edulong m5_lurt[10] = { 9, 12, -1, -1, -1, -1, -1, -1, 1100, 1100 }; 3737977Shsul@eecs.umich.edu 3748013Sbinkertn@umich.eduulong unix_boot_mem; 3758013Sbinkertn@umich.eduulong bootadr; 3768013Sbinkertn@umich.edu 3777977Shsul@eecs.umich.educhar **kargv; 3787977Shsul@eecs.umich.eduint kargc; 3798013Sbinkertn@umich.eduulong free_pfn; 3807977Shsul@eecs.umich.edustruct rpb_percpu *rpb_percpu; 3817977Shsul@eecs.umich.edu 3828013Sbinkertn@umich.educhar * 3838013Sbinkertn@umich.eduunix_boot_alloc(int pages) 3847977Shsul@eecs.umich.edu{ 3858016Sbinkertn@umich.edu char *ret = (char *)unix_boot_mem; 3868013Sbinkertn@umich.edu unix_boot_mem += (pages * PAGE_SIZE); 3878013Sbinkertn@umich.edu return ret; 3887977Shsul@eecs.umich.edu} 3897977Shsul@eecs.umich.edu 3908013Sbinkertn@umich.eduulong *first = 0; 3918013Sbinkertn@umich.eduulong *third_rpb = 0; 3928013Sbinkertn@umich.eduulong *reservedFixup = 0; 3937977Shsul@eecs.umich.edu 3947978Sbinkertn@umich.eduint strcpy(char *dst, char *src); 3957978Sbinkertn@umich.edu 3967977Shsul@eecs.umich.edustruct rpb *rpb; 3978013Sbinkertn@umich.eduextern ulong _end; 3987977Shsul@eecs.umich.edu 3998013Sbinkertn@umich.eduvoid 4008016Sbinkertn@umich.eduunixBoot(int argc, char **argv) 4017977Shsul@eecs.umich.edu{ 4028013Sbinkertn@umich.edu ulong *second, *third_kernel, ptr, *tbb, size, *percpu_logout; 4038013Sbinkertn@umich.edu unsigned char *mdt_bitmap; 4048013Sbinkertn@umich.edu long *lp1, *lp2, sum; 4058013Sbinkertn@umich.edu int i, cl; 4068013Sbinkertn@umich.edu int kern_first_page; 4078013Sbinkertn@umich.edu int mem_size = m5Conf.mem_size; 4087977Shsul@eecs.umich.edu 4098013Sbinkertn@umich.edu int mem_pages = mem_size / PAGE_SIZE, cons_pages; 4108013Sbinkertn@umich.edu ulong kernel_bytes, ksp, kernel_end, *unix_kernel_stack, bss, 4118013Sbinkertn@umich.edu ksp_bottom, ksp_top; 4128013Sbinkertn@umich.edu struct rpb_ctb *rpb_ctb; 4138013Sbinkertn@umich.edu struct ctb_tt *ctb_tt; 4148013Sbinkertn@umich.edu struct rpb_dsr *rpb_dsr; 4158013Sbinkertn@umich.edu struct rpb_crb *rpb_crb; 4168013Sbinkertn@umich.edu struct _m5_rpb_mdt *rpb_mdt; 4178013Sbinkertn@umich.edu int *rpb_lurt; 4188013Sbinkertn@umich.edu char *rpb_name; 4198013Sbinkertn@umich.edu ulong nextPtr; 4207977Shsul@eecs.umich.edu 4218013Sbinkertn@umich.edu printf_lock("memsize %x pages %x \n", mem_size, mem_pages); 4227977Shsul@eecs.umich.edu 4238013Sbinkertn@umich.edu /* Allocate: 4248013Sbinkertn@umich.edu * two pages for the HWRPB 4258013Sbinkertn@umich.edu * five page table pages: 4268013Sbinkertn@umich.edu * 1: First level page table 4278013Sbinkertn@umich.edu * 1: Second level page table 4288013Sbinkertn@umich.edu * 1: Third level page table for HWRPB 4298013Sbinkertn@umich.edu * 2: Third level page table for kernel (for up to 16MB) 4308013Sbinkertn@umich.edu * set up the page tables 4318013Sbinkertn@umich.edu * load the kernel at the physical address 0x230000 4328013Sbinkertn@umich.edu * build the HWRPB 4338013Sbinkertn@umich.edu * set up memory descriptor table to give up the 4348013Sbinkertn@umich.edu * physical memory between the end of the page 4358013Sbinkertn@umich.edu * tables and the start of the kernel 4368013Sbinkertn@umich.edu * enable kseg addressing 4378013Sbinkertn@umich.edu * jump to the kernel 4388013Sbinkertn@umich.edu */ 4397977Shsul@eecs.umich.edu 4408013Sbinkertn@umich.edu unix_boot_mem = ROUNDUP8K(&_end); 4417977Shsul@eecs.umich.edu 4428013Sbinkertn@umich.edu printf_lock("First free page after ROM 0x%x\n", unix_boot_mem); 4437977Shsul@eecs.umich.edu 4448016Sbinkertn@umich.edu rpb = (struct rpb *)unix_boot_alloc(HWRPB_PAGES); 4457977Shsul@eecs.umich.edu 4468016Sbinkertn@umich.edu mdt_bitmap = (unsigned char *)unix_boot_alloc(MDT_BITMAP_PAGES); 4478013Sbinkertn@umich.edu first = (ulong *)unix_boot_alloc(1); 4488013Sbinkertn@umich.edu second = (ulong *)unix_boot_alloc(1); 4498013Sbinkertn@umich.edu third_rpb = (ulong *)unix_boot_alloc(1); 4508013Sbinkertn@umich.edu reservedFixup = (ulong*) unix_boot_alloc(1); 4518013Sbinkertn@umich.edu third_kernel = (ulong *)unix_boot_alloc(NUM_KERNEL_THIRD); 4528013Sbinkertn@umich.edu percpu_logout = (ulong*)unix_boot_alloc(1); 4537977Shsul@eecs.umich.edu 4548013Sbinkertn@umich.edu cons_pages = KSEG_TO_PHYS(unix_boot_mem) / PAGE_SIZE; 4557977Shsul@eecs.umich.edu 4568013Sbinkertn@umich.edu /* Set up the page tables */ 4578013Sbinkertn@umich.edu bzero((char *)first, PAGE_SIZE); 4588013Sbinkertn@umich.edu bzero((char *)second, PAGE_SIZE); 4598013Sbinkertn@umich.edu bzero((char *)reservedFixup, PAGE_SIZE); 4608013Sbinkertn@umich.edu bzero((char *)third_rpb, HWRPB_PAGES * PAGE_SIZE); 4618013Sbinkertn@umich.edu bzero((char *)third_kernel, PAGE_SIZE * NUM_KERNEL_THIRD); 4627977Shsul@eecs.umich.edu 4638013Sbinkertn@umich.edu first[0] = KPTE(PFN(second)); 4648013Sbinkertn@umich.edu first[1] = KPTE(PFN(first)); /* Region 3 */ 4657977Shsul@eecs.umich.edu 4668013Sbinkertn@umich.edu /* Region 0 */ 4678013Sbinkertn@umich.edu second[SECOND(0x10000000)] = KPTE(PFN(third_rpb)); 4687977Shsul@eecs.umich.edu 4698013Sbinkertn@umich.edu for (i = 0; i < NUM_KERNEL_THIRD; i++) { 4708013Sbinkertn@umich.edu /* Region 1 */ 4718013Sbinkertn@umich.edu second[SECOND(0x20000000) + i] = KPTE(PFN(third_kernel) + i); 4728013Sbinkertn@umich.edu } 4738013Sbinkertn@umich.edu /* Region 2 */ 4748013Sbinkertn@umich.edu second[SECOND(0x40000000)] = KPTE(PFN(second)); 4757977Shsul@eecs.umich.edu 4767977Shsul@eecs.umich.edu 4778013Sbinkertn@umich.edu /* For some obscure reason, Dec Unix's database read 4788013Sbinkertn@umich.edu * from /etc/sysconfigtab is written to this fixed 4798013Sbinkertn@umich.edu * mapped memory location. Go figure, since it is 4808013Sbinkertn@umich.edu * not initialized by the console. Maybe it is 4818013Sbinkertn@umich.edu * to look at the database from the console 4828013Sbinkertn@umich.edu * after a boot/crash. 4838013Sbinkertn@umich.edu * 4848013Sbinkertn@umich.edu * Black magic to estimate the max size. SEGVs on overflow 4858013Sbinkertn@umich.edu * bugnion 4868013Sbinkertn@umich.edu */ 4877977Shsul@eecs.umich.edu 4887977Shsul@eecs.umich.edu#define DATABASE_BASE 0x20000000 4897977Shsul@eecs.umich.edu#define DATABASE_END 0x20020000 4907977Shsul@eecs.umich.edu 4918013Sbinkertn@umich.edu ulong *dbPage = (ulong*)unix_boot_alloc(1); 4928013Sbinkertn@umich.edu second[SECOND(DATABASE_BASE)] = KPTE(PFN(dbPage)); 4938013Sbinkertn@umich.edu for (i = DATABASE_BASE; i < DATABASE_END ; i += 8096) { 4948013Sbinkertn@umich.edu ulong *db = (ulong*)unix_boot_alloc(1); 4958013Sbinkertn@umich.edu dbPage[THIRD(i)] = KPTE(PFN(db)); 4968013Sbinkertn@umich.edu } 4977977Shsul@eecs.umich.edu 4988013Sbinkertn@umich.edu /* Region 0 */ 4998013Sbinkertn@umich.edu /* Map the HWRPB */ 5008013Sbinkertn@umich.edu for (i = 0; i < HWRPB_PAGES; i++) 5018013Sbinkertn@umich.edu third_rpb[i] = KPTE(PFN(rpb) + i); 5027977Shsul@eecs.umich.edu 5038013Sbinkertn@umich.edu /* Map the MDT bitmap table */ 5048013Sbinkertn@umich.edu for (i = 0; i < MDT_BITMAP_PAGES; i++) { 5058013Sbinkertn@umich.edu third_rpb[HWRPB_PAGES + i] = KPTE(PFN(mdt_bitmap) + i); 5068013Sbinkertn@umich.edu } 5077977Shsul@eecs.umich.edu 5088013Sbinkertn@umich.edu /* Protect the PAL pages */ 5098013Sbinkertn@umich.edu for (i = 1; i < PFN(first); i++) 5108013Sbinkertn@umich.edu third_rpb[HWRPB_PAGES + MDT_BITMAP_PAGES + i] = KPTE(i); 5117977Shsul@eecs.umich.edu 5127977Shsul@eecs.umich.edu /* Set up third_kernel after it's loaded, when we know where it is */ 5138013Sbinkertn@umich.edu kern_first_page = (KSEG_TO_PHYS(m5Conf.kernStart)/PAGE_SIZE); 5148013Sbinkertn@umich.edu kernel_end = ksp_top = ROUNDUP8K(m5Conf.kernEnd); 5158013Sbinkertn@umich.edu bootadr = m5Conf.entryPoint; 5167977Shsul@eecs.umich.edu 5178013Sbinkertn@umich.edu printf_lock("HWRPB 0x%x l1pt 0x%x l2pt 0x%x l3pt_rpb 0x%x l3pt_kernel 0x%x" 5188013Sbinkertn@umich.edu " l2reserv 0x%x\n", 5198013Sbinkertn@umich.edu rpb, first, second, third_rpb, third_kernel, reservedFixup); 5208013Sbinkertn@umich.edu if (kernel_end - m5Conf.kernStart > (0x800000*NUM_KERNEL_THIRD)) { 5218013Sbinkertn@umich.edu printf_lock("Kernel is more than 8MB 0x%x - 0x%x = 0x%x\n", 5228013Sbinkertn@umich.edu kernel_end, m5Conf.kernStart, 5238013Sbinkertn@umich.edu kernel_end - m5Conf.kernStart ); 5248013Sbinkertn@umich.edu panic("kernel too big\n"); 5258013Sbinkertn@umich.edu } 5267977Shsul@eecs.umich.edu 5278013Sbinkertn@umich.edu /* Map the kernel's pages into the third level of region 2 */ 5288013Sbinkertn@umich.edu for (ptr = m5Conf.kernStart; ptr < kernel_end; ptr += PAGE_SIZE) { 5298013Sbinkertn@umich.edu third_kernel[THIRD_XXX(ptr)] = KPTE(PFN(ptr)); 5308013Sbinkertn@umich.edu } 5317977Shsul@eecs.umich.edu 5328013Sbinkertn@umich.edu /* blow 2 pages of phys mem for guards since it maintains 1-to-1 mapping */ 5338013Sbinkertn@umich.edu ksp = ksp_top + (3 * PAGE_SIZE); 5348013Sbinkertn@umich.edu if (ksp - m5Conf.kernStart > (0x800000*NUM_KERNEL_THIRD)) { 5358013Sbinkertn@umich.edu printf_lock("Kernel stack pushd us over 8MB\n"); 5368013Sbinkertn@umich.edu panic("ksp too big\n"); 5378013Sbinkertn@umich.edu } 5388013Sbinkertn@umich.edu if (THIRD_XXX((ulong)ksp_top) > NUM_KERNEL_THIRD * 1024) { 5398013Sbinkertn@umich.edu panic("increase NUM_KERNEL_THIRD, and change THIRD_XXX\n"); 5408013Sbinkertn@umich.edu } 5418013Sbinkertn@umich.edu ptr = (ulong) ksp_top; 5428013Sbinkertn@umich.edu bzero((char *)ptr, PAGE_SIZE * 2); 5438013Sbinkertn@umich.edu third_kernel[THIRD_XXX(ptr)] = 0; /* Stack Guard Page */ 5448013Sbinkertn@umich.edu ptr += PAGE_SIZE; 5458013Sbinkertn@umich.edu third_kernel[THIRD_XXX(ptr)] = KPTE(PFN(ptr)); /* Kernel Stack Pages */ 5468013Sbinkertn@umich.edu ptr += PAGE_SIZE; 5478013Sbinkertn@umich.edu third_kernel[THIRD_XXX(ptr)] = KPTE(PFN(ptr)); 5488013Sbinkertn@umich.edu ptr += PAGE_SIZE; 5498013Sbinkertn@umich.edu third_kernel[THIRD_XXX(ptr)] = 0; /* Stack Guard Page */ 5507977Shsul@eecs.umich.edu 5518013Sbinkertn@umich.edu /* put argv into the bottom of the stack - argv starts at 1 because 5528013Sbinkertn@umich.edu * the command thatr got us here (i.e. "unixboot) is in argv[0]. 5538013Sbinkertn@umich.edu */ 5548013Sbinkertn@umich.edu ksp -= 8; /* Back up one longword */ 5558013Sbinkertn@umich.edu ksp -= argc * sizeof(char *); /* Make room for argv */ 5568013Sbinkertn@umich.edu kargv = (char **) ksp; 5578013Sbinkertn@umich.edu for (i = 1; i < argc; i++) { /* Copy arguments to stack */ 5588013Sbinkertn@umich.edu ksp -= ((strlen(argv[i]) + 1) + 7) & ~0x7; 5598013Sbinkertn@umich.edu kargv[i-1] = (char *) ksp; 5608013Sbinkertn@umich.edu strcpy(kargv[i - 1], argv[i]); 5618013Sbinkertn@umich.edu } 5628013Sbinkertn@umich.edu kargc = i - 1; 5638013Sbinkertn@umich.edu kargv[kargc] = NULL; /* just to be sure; doesn't seem to be used */ 5648013Sbinkertn@umich.edu ksp -= sizeof(char *); /* point above last arg for no real reason */ 5657977Shsul@eecs.umich.edu 5668013Sbinkertn@umich.edu free_pfn = PFN(ptr); 5677977Shsul@eecs.umich.edu 5688013Sbinkertn@umich.edu bcopy((char *)&m5_rpb, (char *)rpb, sizeof(struct rpb)); 5697977Shsul@eecs.umich.edu 5708013Sbinkertn@umich.edu rpb->rpb_selfref = (struct rpb *) KSEG_TO_PHYS(rpb); 5718013Sbinkertn@umich.edu rpb->rpb_string = 0x0000004250525748; 5727977Shsul@eecs.umich.edu 5738013Sbinkertn@umich.edu tbb = (ulong *) (((char *) rpb) + ROUNDUP8(sizeof(struct rpb))); 5748013Sbinkertn@umich.edu rpb->rpb_trans_off = (ulong)tbb - (ulong)rpb; 5758013Sbinkertn@umich.edu bcopy((char *)m5_tbb, (char *)tbb, sizeof(m5_tbb)); 5767977Shsul@eecs.umich.edu 5778013Sbinkertn@umich.edu /* 5788013Sbinkertn@umich.edu * rpb_counter. Use to determine timeouts in OS. 5798013Sbinkertn@umich.edu * XXX must be patched after a checkpoint restore (I guess) 5808013Sbinkertn@umich.edu */ 5817977Shsul@eecs.umich.edu 5828013Sbinkertn@umich.edu printf_lock("CPU Clock at %d MHz IntrClockFrequency=%d \n", 5838013Sbinkertn@umich.edu m5Conf.cpuClock, m5Conf.intrClockFrequency); 5848013Sbinkertn@umich.edu rpb->rpb_counter = m5Conf.cpuClock * 1000 * 1000; 5857977Shsul@eecs.umich.edu 5868013Sbinkertn@umich.edu /* 5878013Sbinkertn@umich.edu * By definition, the rpb_clock is scaled by 4096 (in hz) 5888013Sbinkertn@umich.edu */ 5898013Sbinkertn@umich.edu rpb->rpb_clock = m5Conf.intrClockFrequency * 4096; 5907977Shsul@eecs.umich.edu 5918013Sbinkertn@umich.edu /* 5928013Sbinkertn@umich.edu * Per CPU Slots. Multiprocessor support. 5938013Sbinkertn@umich.edu */ 5948013Sbinkertn@umich.edu int percpu_size = ROUNDUP128(sizeof(struct rpb_percpu)); 5957977Shsul@eecs.umich.edu 5968013Sbinkertn@umich.edu printf_lock("Booting with %d processor(s) \n", m5Conf.numCPUs); 5977977Shsul@eecs.umich.edu 5988013Sbinkertn@umich.edu rpb->rpb_numprocs = m5Conf.numCPUs; 5998013Sbinkertn@umich.edu rpb->rpb_slotsize = percpu_size; 6008013Sbinkertn@umich.edu rpb_percpu = (struct rpb_percpu *) 6018013Sbinkertn@umich.edu ROUNDUP128(((ulong)tbb) + (sizeof(m5_tbb))); 6027977Shsul@eecs.umich.edu 6038013Sbinkertn@umich.edu rpb->rpb_percpu_off = (ulong)rpb_percpu - (ulong)rpb; 6047977Shsul@eecs.umich.edu 6058013Sbinkertn@umich.edu for (i = 0; i < m5Conf.numCPUs; i++) { 6068013Sbinkertn@umich.edu struct rpb_percpu *thisCPU = (struct rpb_percpu*) 6078013Sbinkertn@umich.edu ((ulong)rpb_percpu + percpu_size * i); 6087977Shsul@eecs.umich.edu 6098013Sbinkertn@umich.edu bzero((char *)thisCPU, percpu_size); 6108013Sbinkertn@umich.edu bcopy((char *)&m5_rpb_percpu, (char *)thisCPU, 6118013Sbinkertn@umich.edu sizeof(struct rpb_percpu)); 6127977Shsul@eecs.umich.edu 6138013Sbinkertn@umich.edu thisCPU->rpb_pcb.rpb_ksp = ksp; 6148013Sbinkertn@umich.edu thisCPU->rpb_pcb.rpb_ptbr = PFN(first); 6157977Shsul@eecs.umich.edu 6168013Sbinkertn@umich.edu thisCPU->rpb_logout = KSEG_TO_PHYS(percpu_logout); 6178013Sbinkertn@umich.edu thisCPU->rpb_logout_len = PAGE_SIZE; 6187977Shsul@eecs.umich.edu 6198013Sbinkertn@umich.edu printf_lock("KSP: 0x%x PTBR 0x%x\n", 6208013Sbinkertn@umich.edu thisCPU->rpb_pcb.rpb_ksp, thisCPU->rpb_pcb.rpb_ptbr); 6218013Sbinkertn@umich.edu } 6227977Shsul@eecs.umich.edu 6238013Sbinkertn@umich.edu nextPtr = (ulong)rpb_percpu + percpu_size * m5Conf.numCPUs; 6247977Shsul@eecs.umich.edu 6258013Sbinkertn@umich.edu /* 6268013Sbinkertn@umich.edu * Console Terminal Block 6278013Sbinkertn@umich.edu */ 6288013Sbinkertn@umich.edu rpb_ctb = (struct rpb_ctb *) nextPtr; 6298013Sbinkertn@umich.edu ctb_tt = (struct ctb_tt*) rpb_ctb; 6307977Shsul@eecs.umich.edu 6318013Sbinkertn@umich.edu rpb->rpb_ctb_off = ((ulong)rpb_ctb) - (ulong)rpb; 6328013Sbinkertn@umich.edu rpb->rpb_ctb_size = sizeof(struct rpb_ctb); 6337977Shsul@eecs.umich.edu 6348013Sbinkertn@umich.edu bzero((char *)rpb_ctb, sizeof(struct ctb_tt)); 6357977Shsul@eecs.umich.edu 6368013Sbinkertn@umich.edu rpb_ctb->rpb_type = CONS_DZ; 6378013Sbinkertn@umich.edu rpb_ctb->rpb_length = sizeof(ctb_tt) - sizeof(rpb_ctb); 6387977Shsul@eecs.umich.edu 6398013Sbinkertn@umich.edu /* 6408013Sbinkertn@umich.edu * uart initizliation 6418013Sbinkertn@umich.edu */ 6428013Sbinkertn@umich.edu ctb_tt->ctb_csr = 0; 6438013Sbinkertn@umich.edu ctb_tt->ctb_tivec = 0x6c0; /* matches tlaser pal code */ 6448013Sbinkertn@umich.edu ctb_tt->ctb_rivec = 0x680; /* matches tlaser pal code */ 6458013Sbinkertn@umich.edu ctb_tt->ctb_baud = 9600; 6468013Sbinkertn@umich.edu ctb_tt->ctb_put_sts = 0; 6478013Sbinkertn@umich.edu ctb_tt->ctb_get_sts = 0; 6487977Shsul@eecs.umich.edu 6498013Sbinkertn@umich.edu rpb_crb = (struct rpb_crb *) (((ulong)rpb_ctb) + sizeof(struct ctb_tt)); 6508013Sbinkertn@umich.edu rpb->rpb_crb_off = ((ulong)rpb_crb) - (ulong)rpb; 6517977Shsul@eecs.umich.edu 6528013Sbinkertn@umich.edu bzero((char *)rpb_crb, sizeof(struct rpb_crb)); 6537977Shsul@eecs.umich.edu 6548013Sbinkertn@umich.edu /* 6558013Sbinkertn@umich.edu * console callback stuff (m5) 6568013Sbinkertn@umich.edu */ 6578013Sbinkertn@umich.edu rpb_crb->rpb_num = 1; 6588013Sbinkertn@umich.edu rpb_crb->rpb_mapped_pages = HWRPB_PAGES; 6598013Sbinkertn@umich.edu rpb_crb->rpb_map[0].rpb_virt = 0x10000000; 6608013Sbinkertn@umich.edu rpb_crb->rpb_map[0].rpb_phys = KSEG_TO_PHYS(((ulong)rpb) & ~0x1fff); 6618013Sbinkertn@umich.edu rpb_crb->rpb_map[0].rpb_pgcount = HWRPB_PAGES; 6627977Shsul@eecs.umich.edu 6638013Sbinkertn@umich.edu printf_lock("Console Callback at 0x%x, fixup at 0x%x, crb offset: 0x%x\n", 6648013Sbinkertn@umich.edu rpb_crb->rpb_va_disp, rpb_crb->rpb_va_fixup, rpb->rpb_crb_off); 6657977Shsul@eecs.umich.edu 6668013Sbinkertn@umich.edu rpb_mdt = (struct _m5_rpb_mdt *)((ulong)rpb_crb + sizeof(struct rpb_crb)); 6678013Sbinkertn@umich.edu rpb->rpb_mdt_off = (ulong)rpb_mdt - (ulong)rpb; 6688013Sbinkertn@umich.edu bcopy((char *)&m5_rpb_mdt, (char *)rpb_mdt, sizeof(struct _m5_rpb_mdt)); 6697977Shsul@eecs.umich.edu 6707977Shsul@eecs.umich.edu 6718013Sbinkertn@umich.edu cl = 0; 6728013Sbinkertn@umich.edu rpb_mdt->rpb_cluster[cl].rpb_pfncount = kern_first_page; 6738013Sbinkertn@umich.edu cl++; 6747977Shsul@eecs.umich.edu 6758013Sbinkertn@umich.edu rpb_mdt->rpb_cluster[cl].rpb_pfn = kern_first_page; 6768013Sbinkertn@umich.edu rpb_mdt->rpb_cluster[cl].rpb_pfncount = mem_pages - kern_first_page; 6778013Sbinkertn@umich.edu rpb_mdt->rpb_cluster[cl].rpb_pfntested = 6788013Sbinkertn@umich.edu rpb_mdt->rpb_cluster[cl].rpb_pfncount; 6798013Sbinkertn@umich.edu rpb_mdt->rpb_cluster[cl].rpb_pa = KSEG_TO_PHYS(mdt_bitmap); 6808013Sbinkertn@umich.edu rpb_mdt->rpb_cluster[cl].rpb_va = 0x10000000 + HWRPB_PAGES * PAGE_SIZE; 6818013Sbinkertn@umich.edu cl++; 6827977Shsul@eecs.umich.edu 6838013Sbinkertn@umich.edu rpb_mdt->rpb_numcl = cl; 6847977Shsul@eecs.umich.edu 6858013Sbinkertn@umich.edu for (i = 0; i < cl; i++) 6868013Sbinkertn@umich.edu printf_lock("Memory cluster %d [%d - %d]\n", i, 6878013Sbinkertn@umich.edu rpb_mdt->rpb_cluster[i].rpb_pfn, 6888013Sbinkertn@umich.edu rpb_mdt->rpb_cluster[i].rpb_pfncount); 6897977Shsul@eecs.umich.edu 6908013Sbinkertn@umich.edu /* Checksum the rpb for good luck */ 6918013Sbinkertn@umich.edu sum = 0; 6928013Sbinkertn@umich.edu lp1 = (long *)&rpb_mdt->rpb_impaddr; 6938013Sbinkertn@umich.edu lp2 = (long *)&rpb_mdt->rpb_cluster[cl]; 6948013Sbinkertn@umich.edu while (lp1 < lp2) sum += *lp1++; 6958013Sbinkertn@umich.edu rpb_mdt->rpb_checksum = sum; 6967977Shsul@eecs.umich.edu 6978013Sbinkertn@umich.edu /* XXX should checksum the cluster descriptors */ 6988013Sbinkertn@umich.edu bzero((char *)mdt_bitmap, MDT_BITMAP_PAGES * PAGE_SIZE); 6998013Sbinkertn@umich.edu for (i = 0; i < mem_pages/8; i++) 7008013Sbinkertn@umich.edu ((unsigned char *)mdt_bitmap)[i] = 0xff; 7017977Shsul@eecs.umich.edu 7028013Sbinkertn@umich.edu printf_lock("Initalizing mdt_bitmap addr 0x%x mem_pages %x \n", 7038013Sbinkertn@umich.edu (long)mdt_bitmap,(long)mem_pages); 7047977Shsul@eecs.umich.edu 7058013Sbinkertn@umich.edu m5_rpb.rpb_config_off = 0; 7068013Sbinkertn@umich.edu m5_rpb.rpb_fru_off = 0; 7077977Shsul@eecs.umich.edu 7088013Sbinkertn@umich.edu rpb_dsr = (struct rpb_dsr *)((ulong)rpb_mdt + sizeof(struct _m5_rpb_mdt)); 7098013Sbinkertn@umich.edu rpb->rpb_dsr_off = (ulong)rpb_dsr - (ulong)rpb; 7108013Sbinkertn@umich.edu bzero((char *)rpb_dsr, sizeof(struct rpb_dsr)); 7118013Sbinkertn@umich.edu rpb_dsr->rpb_smm = 1578; /* Official XXM SMM number as per SRM */ 7128013Sbinkertn@umich.edu rpb_dsr->rpb_smm = 1089; /* Official Alcor SMM number as per SRM */ 7137977Shsul@eecs.umich.edu 7148013Sbinkertn@umich.edu rpb_lurt = (int *) ROUNDUP8((ulong)rpb_dsr + sizeof(struct rpb_dsr)); 7158013Sbinkertn@umich.edu rpb_dsr->rpb_lurt_off = ((ulong) rpb_lurt) - (ulong) rpb_dsr; 7168013Sbinkertn@umich.edu bcopy((char *)m5_lurt, (char *)rpb_lurt, sizeof(m5_lurt)); 7177977Shsul@eecs.umich.edu 7188013Sbinkertn@umich.edu rpb_name = (char *) ROUNDUP8(((ulong)rpb_lurt) + sizeof(m5_lurt)); 7198013Sbinkertn@umich.edu rpb_dsr->rpb_sysname_off = ((ulong) rpb_name) - (ulong) rpb_dsr; 7208013Sbinkertn@umich.edu#define THENAME " M5/Alpha " 7218013Sbinkertn@umich.edu sum = sizeof(THENAME); 7228013Sbinkertn@umich.edu bcopy(THENAME, rpb_name, sum); 7238013Sbinkertn@umich.edu *(ulong *)rpb_name = sizeof(THENAME); /* put in length field */ 7247977Shsul@eecs.umich.edu 7258013Sbinkertn@umich.edu /* calculate size of rpb */ 7268013Sbinkertn@umich.edu rpb->rpb_size = ((ulong) &rpb_name[sum]) - (ulong)rpb; 7277977Shsul@eecs.umich.edu 7288013Sbinkertn@umich.edu if (rpb->rpb_size > PAGE_SIZE * HWRPB_PAGES) { 7298013Sbinkertn@umich.edu panic("HWRPB_PAGES=%d too small for HWRPB !!! \n"); 7308013Sbinkertn@umich.edu } 7317977Shsul@eecs.umich.edu 7328013Sbinkertn@umich.edu ulong *rpbptr = (ulong*)((char*)rpb_dsr + sizeof(struct rpb_dsr)); 7338013Sbinkertn@umich.edu rpb_crb->rpb_pa_disp = KSEG_TO_PHYS(rpbptr); 7348013Sbinkertn@umich.edu rpb_crb->rpb_va_disp = 0x10000000 + 7358013Sbinkertn@umich.edu (((ulong)rpbptr - (ulong)rpb) & (0x2000 * HWRPB_PAGES - 1)); 7368013Sbinkertn@umich.edu printf_lock("ConsoleDispatch at virt %x phys %x val %x\n", 7378013Sbinkertn@umich.edu rpb_crb->rpb_va_disp, rpb_crb->rpb_pa_disp, consoleCallback); 7388013Sbinkertn@umich.edu *rpbptr++ = 0; 7398013Sbinkertn@umich.edu *rpbptr++ = (ulong) consoleCallback; 7408013Sbinkertn@umich.edu rpb_crb->rpb_pa_fixup = KSEG_TO_PHYS(rpbptr); 7418013Sbinkertn@umich.edu rpb_crb->rpb_va_fixup = 0x10000000 + 7428013Sbinkertn@umich.edu (((ulong)rpbptr - (ulong)rpb) & (0x2000 * HWRPB_PAGES - 1)); 7438013Sbinkertn@umich.edu *rpbptr++ = 0; 7447977Shsul@eecs.umich.edu 7458013Sbinkertn@umich.edu *rpbptr++ = (ulong) consoleFixup; 7467977Shsul@eecs.umich.edu 7478013Sbinkertn@umich.edu /* Checksum the rpb for good luck */ 7488013Sbinkertn@umich.edu sum = 0; 7498013Sbinkertn@umich.edu lp1 = (long *)rpb; 7508013Sbinkertn@umich.edu lp2 = &rpb->rpb_checksum; 7518013Sbinkertn@umich.edu while (lp1 < lp2) 7528013Sbinkertn@umich.edu sum += *lp1++; 7538013Sbinkertn@umich.edu *lp2 = sum; 7547977Shsul@eecs.umich.edu 7557977Shsul@eecs.umich.edu /* 7567977Shsul@eecs.umich.edu * MP bootstrap 7577977Shsul@eecs.umich.edu */ 7588013Sbinkertn@umich.edu for (i = 1; i < m5Conf.numCPUs; i++) { 7598016Sbinkertn@umich.edu ulong stack = (ulong)unix_boot_alloc(1); 7608016Sbinkertn@umich.edu printf_lock("Bootstraping CPU %d with sp=0x%x\n", i, stack); 7618016Sbinkertn@umich.edu m5AlphaAccess->bootStrapImpure = stack; 7628015Sbinkertn@umich.edu m5AlphaAccess->bootStrapCPU = i; 7638013Sbinkertn@umich.edu } 7647977Shsul@eecs.umich.edu 7658013Sbinkertn@umich.edu /* 7668013Sbinkertn@umich.edu * Make sure that we are not stepping on the kernel 7678013Sbinkertn@umich.edu */ 7688013Sbinkertn@umich.edu if ((ulong)unix_boot_mem >= (ulong)m5Conf.kernStart) { 7698013Sbinkertn@umich.edu panic("CONSOLE: too much memory. Smashing kernel\n"); 7708013Sbinkertn@umich.edu } else { 7718013Sbinkertn@umich.edu printf_lock("unix_boot_mem ends at %x \n", unix_boot_mem); 7728013Sbinkertn@umich.edu } 7737977Shsul@eecs.umich.edu 7748016Sbinkertn@umich.edu JToKern((char *)bootadr, (ulong)rpb_percpu, free_pfn, kargc, kargv, NULL); 7757977Shsul@eecs.umich.edu} 7767977Shsul@eecs.umich.edu 7777977Shsul@eecs.umich.edu 7788013Sbinkertn@umich.eduvoid 7798013Sbinkertn@umich.eduJToKern(char *bootadr, ulong rpb_percpu, ulong free_pfn, ulong k_argc, 7808013Sbinkertn@umich.edu char **k_argv, char **envp) 7817977Shsul@eecs.umich.edu{ 7828013Sbinkertn@umich.edu extern ulong palJToKern[]; 7837977Shsul@eecs.umich.edu 7848013Sbinkertn@umich.edu struct _kernel_params *kernel_params = (struct _kernel_params *) KSEG; 7858013Sbinkertn@umich.edu int i; 7867977Shsul@eecs.umich.edu 7878013Sbinkertn@umich.edu printf_lock("k_argc = %d ", k_argc); 7888013Sbinkertn@umich.edu for (i = 0; i < k_argc; i++) { 7898013Sbinkertn@umich.edu printf_lock("'%s' ", k_argv[i]); 7908013Sbinkertn@umich.edu } 7918013Sbinkertn@umich.edu printf_lock("\n"); 7927977Shsul@eecs.umich.edu 7938013Sbinkertn@umich.edu kernel_params->bootadr = bootadr; 7948013Sbinkertn@umich.edu kernel_params->rpb_percpu = KSEG_TO_PHYS(rpb_percpu); 7958013Sbinkertn@umich.edu kernel_params->free_pfn = free_pfn; 7968013Sbinkertn@umich.edu kernel_params->argc = k_argc; 7978013Sbinkertn@umich.edu kernel_params->argv = (ulong)k_argv; 7988013Sbinkertn@umich.edu kernel_params->envp = (ulong)envp; 7998013Sbinkertn@umich.edu printf_lock("jumping to kernel at 0x%x, (PCBB 0x%x pfn %d)\n", 8008013Sbinkertn@umich.edu bootadr, rpb_percpu, free_pfn); 8018013Sbinkertn@umich.edu JToPal(KSEG_TO_PHYS(palJToKern)); 8028013Sbinkertn@umich.edu printf_lock("returned from JToPal. Looping\n"); 8038013Sbinkertn@umich.edu while (1) 8048013Sbinkertn@umich.edu continue; 8057977Shsul@eecs.umich.edu} 8067977Shsul@eecs.umich.edu 8078013Sbinkertn@umich.eduvoid 8088013Sbinkertn@umich.eduJToPal(ulong bootadr) 8098013Sbinkertn@umich.edu{ 8108013Sbinkertn@umich.edu cServe(bootadr, 0, CSERVE_K_JTOPAL); 8117977Shsul@eecs.umich.edu 8128013Sbinkertn@umich.edu /* 8138013Sbinkertn@umich.edu * Make sure that floating point is enabled incase 8148013Sbinkertn@umich.edu * it was disabled by the user program. 8158013Sbinkertn@umich.edu */ 8168013Sbinkertn@umich.edu wrfen(1); 8178013Sbinkertn@umich.edu} 8188013Sbinkertn@umich.edu 8198013Sbinkertn@umich.eduint 8208013Sbinkertn@umich.edustrcpy(char *dst, char *src) 8217977Shsul@eecs.umich.edu{ 8228013Sbinkertn@umich.edu int i = 0; 8238013Sbinkertn@umich.edu while (*src) { 8248013Sbinkertn@umich.edu *dst++ = *src++; 8258013Sbinkertn@umich.edu i++; 8268013Sbinkertn@umich.edu } 8278013Sbinkertn@umich.edu return i; 8288013Sbinkertn@umich.edu} 8297977Shsul@eecs.umich.edu 8307977Shsul@eecs.umich.edu/* 8318013Sbinkertn@umich.edu * Console I/O 8328013Sbinkertn@umich.edu * 8337977Shsul@eecs.umich.edu */ 8347977Shsul@eecs.umich.edu 8357977Shsul@eecs.umich.eduint numOpenDevices = 11; 8367977Shsul@eecs.umich.edustruct { 8378013Sbinkertn@umich.edu char name[128]; 8387977Shsul@eecs.umich.edu} deviceState[32]; 8397977Shsul@eecs.umich.edu 8407978Sbinkertn@umich.edu#define BOOTDEVICE_NAME "SCSI 1 0 0 1 100 0" 8417977Shsul@eecs.umich.edu 8427978Sbinkertn@umich.eduvoid 8437978Sbinkertn@umich.eduDeviceOperation(long op, long channel, long count, long address, long block) 8447977Shsul@eecs.umich.edu{ 8458013Sbinkertn@umich.edu long pAddr; 8467977Shsul@eecs.umich.edu 8478013Sbinkertn@umich.edu if (strcmp(deviceState[channel].name, BOOTDEVICE_NAME )) { 8488013Sbinkertn@umich.edu panic("DeviceRead: only implemented for root disk \n"); 8498013Sbinkertn@umich.edu } 8508013Sbinkertn@umich.edu pAddr = KSEG_TO_PHYS(address); 8518013Sbinkertn@umich.edu if (pAddr + count > m5Conf.mem_size) { 8528013Sbinkertn@umich.edu panic("DeviceRead: request out of range \n"); 8538013Sbinkertn@umich.edu } 8547977Shsul@eecs.umich.edu 8558015Sbinkertn@umich.edu m5AlphaAccess->diskCount = count; 8568015Sbinkertn@umich.edu m5AlphaAccess->diskPAddr = pAddr; 8578015Sbinkertn@umich.edu m5AlphaAccess->diskBlock = block; 8588015Sbinkertn@umich.edu m5AlphaAccess->diskOperation = op; /* launch */ 8597977Shsul@eecs.umich.edu} 8607977Shsul@eecs.umich.edu 8618013Sbinkertn@umich.edu/* 8628013Sbinkertn@umich.edu * M5 Console callbacks 8638013Sbinkertn@umich.edu * 8648013Sbinkertn@umich.edu */ 8657977Shsul@eecs.umich.edu 8667977Shsul@eecs.umich.edu/* AXP manual 2-31 */ 8677977Shsul@eecs.umich.edu#define CONSCB_GETC 0x1 8687977Shsul@eecs.umich.edu#define CONSCB_PUTS 0x2 8697977Shsul@eecs.umich.edu#define CONSCB_RESET_TERM 0x3 8707977Shsul@eecs.umich.edu#define CONSCB_SET_TERM_INT 0x4 8717977Shsul@eecs.umich.edu#define CONSCB_SET_TERM_CTL 0x5 8727977Shsul@eecs.umich.edu#define CONSCB_PROCESS_KEY 0x6 8737982Ssaidi@eecs.umich.edu#define CONSCB_OPEN_CONSOLE 0x7 8747982Ssaidi@eecs.umich.edu#define CONSCB_CLOSE_CONSOLE 0x8 8757977Shsul@eecs.umich.edu 8767977Shsul@eecs.umich.edu#define CONSCB_OPEN 0x10 8777977Shsul@eecs.umich.edu#define CONSCB_CLOSE 0x11 8787977Shsul@eecs.umich.edu#define CONSCB_READ 0x13 8797977Shsul@eecs.umich.edu 8807977Shsul@eecs.umich.edu#define CONSCB_GETENV 0x22 8817977Shsul@eecs.umich.edu 8827977Shsul@eecs.umich.edu/* AXP manual 2-26 */ 8837978Sbinkertn@umich.edu#define ENV_AUTO_ACTION 0X01 8847978Sbinkertn@umich.edu#define ENV_BOOT_DEV 0X02 8857978Sbinkertn@umich.edu#define ENV_BOOTDEF_DEV 0X03 8867978Sbinkertn@umich.edu#define ENV_BOOTED_DEV 0X04 8877978Sbinkertn@umich.edu#define ENV_BOOT_FILE 0X05 8887978Sbinkertn@umich.edu#define ENV_BOOTED_FILE 0X06 8897978Sbinkertn@umich.edu#define ENV_BOOT_OSFLAGS 0X07 8907978Sbinkertn@umich.edu#define ENV_BOOTED_OSFLAGS 0X08 8917978Sbinkertn@umich.edu#define ENV_BOOT_RESET 0X09 8927978Sbinkertn@umich.edu#define ENV_DUMP_DEV 0X0A 8937978Sbinkertn@umich.edu#define ENV_ENABLE_AUDIT 0X0B 8947978Sbinkertn@umich.edu#define ENV_LICENSE 0X0C 8957978Sbinkertn@umich.edu#define ENV_CHAR_SET 0X0D 8967978Sbinkertn@umich.edu#define ENV_LANGUAGE 0X0E 8977978Sbinkertn@umich.edu#define ENV_TTY_DEV 0X0F 8987978Sbinkertn@umich.edu#define ENV_SCSIID 0X42 8997978Sbinkertn@umich.edu#define ENV_SCSIFAST 0X43 9007978Sbinkertn@umich.edu#define ENV_COM1_BAUD 0X44 9017978Sbinkertn@umich.edu#define ENV_COM1_MODEM 0X45 9027978Sbinkertn@umich.edu#define ENV_COM1_FLOW 0X46 9037978Sbinkertn@umich.edu#define ENV_COM1_MISC 0X47 9047978Sbinkertn@umich.edu#define ENV_COM2_BAUD 0X48 9057978Sbinkertn@umich.edu#define ENV_COM2_MODEM 0X49 9067978Sbinkertn@umich.edu#define ENV_COM2_FLOW 0X4A 9077978Sbinkertn@umich.edu#define ENV_COM2_MISC 0X4B 9087978Sbinkertn@umich.edu#define ENV_PASSWORD 0X4C 9097978Sbinkertn@umich.edu#define ENV_SECURE 0X4D 9107978Sbinkertn@umich.edu#define ENV_LOGFAIL 0X4E 9117978Sbinkertn@umich.edu#define ENV_SRM2DEV_ID 0X4F 9127977Shsul@eecs.umich.edu 9137978Sbinkertn@umich.edu#define MAX_ENVLEN 32 9147977Shsul@eecs.umich.edu 9158013Sbinkertn@umich.educhar env_auto_action[MAX_ENVLEN] = "BOOT"; 9168013Sbinkertn@umich.educhar env_boot_dev[MAX_ENVLEN] = ""; 9178013Sbinkertn@umich.educhar env_bootdef_dev[MAX_ENVLEN] = ""; 9188013Sbinkertn@umich.educhar env_booted_dev[MAX_ENVLEN] = BOOTDEVICE_NAME; 9198013Sbinkertn@umich.educhar env_boot_file[MAX_ENVLEN] = ""; 9208013Sbinkertn@umich.educhar env_booted_file[MAX_ENVLEN] = ""; 9218013Sbinkertn@umich.educhar env_boot_osflags[MAX_ENVLEN] = ""; 9228013Sbinkertn@umich.educhar env_booted_osflags[MAX_ENVLEN] = ""; 9238013Sbinkertn@umich.educhar env_boot_reset[MAX_ENVLEN] = ""; 9248013Sbinkertn@umich.educhar env_dump_dev[MAX_ENVLEN] = ""; 9258013Sbinkertn@umich.educhar env_enable_audit[MAX_ENVLEN] = ""; 9268013Sbinkertn@umich.educhar env_license[MAX_ENVLEN] = ""; 9278013Sbinkertn@umich.educhar env_char_set[MAX_ENVLEN] = ""; 9288013Sbinkertn@umich.educhar env_language[MAX_ENVLEN] = ""; 9298013Sbinkertn@umich.educhar env_tty_dev[MAX_ENVLEN] = "0"; 9308013Sbinkertn@umich.educhar env_scsiid[MAX_ENVLEN] = ""; 9318013Sbinkertn@umich.educhar env_scsifast[MAX_ENVLEN] = ""; 9328013Sbinkertn@umich.educhar env_com1_baud[MAX_ENVLEN] = ""; 9338013Sbinkertn@umich.educhar env_com1_modem[MAX_ENVLEN] = ""; 9348013Sbinkertn@umich.educhar env_com1_flow[MAX_ENVLEN] = ""; 9358013Sbinkertn@umich.educhar env_com1_misc[MAX_ENVLEN] = ""; 9368013Sbinkertn@umich.educhar env_com2_baud[MAX_ENVLEN] = ""; 9378013Sbinkertn@umich.educhar env_com2_modem[MAX_ENVLEN] = ""; 9388013Sbinkertn@umich.educhar env_com2_flow[MAX_ENVLEN] = ""; 9398013Sbinkertn@umich.educhar env_com2_misc[MAX_ENVLEN] = ""; 9408013Sbinkertn@umich.educhar env_password[MAX_ENVLEN] = ""; 9418013Sbinkertn@umich.educhar env_secure[MAX_ENVLEN] = ""; 9428013Sbinkertn@umich.educhar env_logfail[MAX_ENVLEN] = ""; 9438013Sbinkertn@umich.educhar env_srm2dev_id[MAX_ENVLEN] = ""; 9447979Sbinkertn@umich.edu 9457979Sbinkertn@umich.edu#define MAX_ENV_INDEX 100 9468013Sbinkertn@umich.educhar *envptr[MAX_ENV_INDEX] = { 9477979Sbinkertn@umich.edu 0, /* 0x00 */ 9487979Sbinkertn@umich.edu env_auto_action, /* 0x01 */ 9497979Sbinkertn@umich.edu env_boot_dev, /* 0x02 */ 9507979Sbinkertn@umich.edu env_bootdef_dev, /* 0x03 */ 9517979Sbinkertn@umich.edu env_booted_dev, /* 0x04 */ 9527979Sbinkertn@umich.edu env_boot_file, /* 0x05 */ 9537979Sbinkertn@umich.edu env_booted_file, /* 0x06 */ 9547979Sbinkertn@umich.edu env_boot_osflags, /* 0x07 */ 9557979Sbinkertn@umich.edu env_booted_osflags, /* 0x08 */ 9567979Sbinkertn@umich.edu env_boot_reset, /* 0x09 */ 9577979Sbinkertn@umich.edu env_dump_dev, /* 0x0A */ 9587979Sbinkertn@umich.edu env_enable_audit, /* 0x0B */ 9597979Sbinkertn@umich.edu env_license, /* 0x0C */ 9607979Sbinkertn@umich.edu env_char_set, /* 0x0D */ 9617979Sbinkertn@umich.edu (char *)&env_language, /* 0x0E */ 9627979Sbinkertn@umich.edu env_tty_dev, /* 0x0F */ 9637979Sbinkertn@umich.edu 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, /* 0x10 - 0x1F */ 9647979Sbinkertn@umich.edu 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, /* 0x20 - 0x2F */ 9657979Sbinkertn@umich.edu 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, /* 0x30 - 0x3F */ 9667979Sbinkertn@umich.edu 0, /* 0x40 */ 9677979Sbinkertn@umich.edu 0, /* 0x41 */ 9687979Sbinkertn@umich.edu env_scsiid, /* 0x42 */ 9697979Sbinkertn@umich.edu env_scsifast, /* 0x43 */ 9707979Sbinkertn@umich.edu env_com1_baud, /* 0x44 */ 9717979Sbinkertn@umich.edu env_com1_modem, /* 0x45 */ 9727979Sbinkertn@umich.edu env_com1_flow, /* 0x46 */ 9737979Sbinkertn@umich.edu env_com1_misc, /* 0x47 */ 9747979Sbinkertn@umich.edu env_com2_baud, /* 0x48 */ 9757979Sbinkertn@umich.edu env_com2_modem, /* 0x49 */ 9767979Sbinkertn@umich.edu env_com2_flow, /* 0x4A */ 9777979Sbinkertn@umich.edu env_com2_misc, /* 0x4B */ 9787979Sbinkertn@umich.edu env_password, /* 0x4C */ 9797979Sbinkertn@umich.edu env_secure, /* 0x4D */ 9807979Sbinkertn@umich.edu env_logfail, /* 0x4E */ 9817979Sbinkertn@umich.edu env_srm2dev_id, /* 0x4F */ 9827979Sbinkertn@umich.edu 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, /* 0x50 - 0x5F */ 9837979Sbinkertn@umich.edu 0, /* 0x60 */ 9847979Sbinkertn@umich.edu 0, /* 0x61 */ 9857979Sbinkertn@umich.edu 0, /* 0x62 */ 9867979Sbinkertn@umich.edu 0, /* 0x63 */ 9877979Sbinkertn@umich.edu}; 9887978Sbinkertn@umich.edu 9897978Sbinkertn@umich.edulong 9907978Sbinkertn@umich.eduCallBackDispatcher(long a0, long a1, long a2, long a3, long a4) 9917977Shsul@eecs.umich.edu{ 9928013Sbinkertn@umich.edu long i; 9938013Sbinkertn@umich.edu switch (a0) { 9948013Sbinkertn@umich.edu case CONSCB_GETC: 9958013Sbinkertn@umich.edu return GetChar(); 9967978Sbinkertn@umich.edu 9978013Sbinkertn@umich.edu case CONSCB_PUTS: 9988013Sbinkertn@umich.edu for (i = 0; i < a3; i++) 9998013Sbinkertn@umich.edu PutChar(*((char *)a2 + i)); 10008013Sbinkertn@umich.edu return a3; 10017978Sbinkertn@umich.edu 10028013Sbinkertn@umich.edu case CONSCB_GETENV: 10038013Sbinkertn@umich.edu if (a1 >= 0 && a1 < MAX_ENV_INDEX && envptr[a1] != 0 && *envptr[a1]) { 10048013Sbinkertn@umich.edu i = strcpy((char*)a2, envptr[a1]); 10058013Sbinkertn@umich.edu } else { 10068013Sbinkertn@umich.edu strcpy((char*)a2, ""); 10078013Sbinkertn@umich.edu i = (long)0xc000000000000000; 10088013Sbinkertn@umich.edu if (a1 >= 0 && a1 < MAX_ENV_INDEX) 10098013Sbinkertn@umich.edu printf_lock("GETENV unsupported option %d (0x%x)\n", a1, a1); 10108013Sbinkertn@umich.edu else 10118013Sbinkertn@umich.edu printf_lock("GETENV unsupported option %s\n", a1); 10128013Sbinkertn@umich.edu } 10137978Sbinkertn@umich.edu 10148013Sbinkertn@umich.edu if (i > a3) 10158013Sbinkertn@umich.edu panic("CONSCB_GETENV overwrote buffer\n"); 10168013Sbinkertn@umich.edu return i; 10177978Sbinkertn@umich.edu 10188013Sbinkertn@umich.edu case CONSCB_OPEN: 10198013Sbinkertn@umich.edu bcopy((char*)a1, deviceState[numOpenDevices].name, a2); 10208013Sbinkertn@umich.edu deviceState[numOpenDevices].name[a2] = '\0'; 10218013Sbinkertn@umich.edu printf_lock("CONSOLE OPEN : %s --> success \n", 10228013Sbinkertn@umich.edu deviceState[numOpenDevices].name); 10238013Sbinkertn@umich.edu return numOpenDevices++; 10247977Shsul@eecs.umich.edu 10258013Sbinkertn@umich.edu case CONSCB_READ: 10268013Sbinkertn@umich.edu DeviceOperation(a0, a1, a2, a3, a4); 10278013Sbinkertn@umich.edu break; 10287979Sbinkertn@umich.edu 10298013Sbinkertn@umich.edu case CONSCB_CLOSE: 10308013Sbinkertn@umich.edu break; 10317979Sbinkertn@umich.edu 10328013Sbinkertn@umich.edu case CONSCB_OPEN_CONSOLE: 10338013Sbinkertn@umich.edu printf_lock("CONSOLE OPEN\n"); 10348013Sbinkertn@umich.edu return 0; /* success */ 10358013Sbinkertn@umich.edu break; /* not reached */ 10367979Sbinkertn@umich.edu 10378013Sbinkertn@umich.edu case CONSCB_CLOSE_CONSOLE: 10388013Sbinkertn@umich.edu printf_lock("CONSOLE CLOSE\n"); 10398013Sbinkertn@umich.edu return 0; /* success */ 10408013Sbinkertn@umich.edu break; /* not reached */ 10418013Sbinkertn@umich.edu 10428013Sbinkertn@umich.edu default: 10438013Sbinkertn@umich.edu panic("CallBackDispatcher(%x,%x,%x,%x,%x)\n", a0, a1, a2, a3, a4); 10448013Sbinkertn@umich.edu } 10458013Sbinkertn@umich.edu 10468013Sbinkertn@umich.edu return 0; 10477977Shsul@eecs.umich.edu} 10487977Shsul@eecs.umich.edu 10498013Sbinkertn@umich.edulong 10508013Sbinkertn@umich.eduCallBackFixup(int a0, int a1, int a2) 10517977Shsul@eecs.umich.edu{ 10528013Sbinkertn@umich.edu long temp; 10538013Sbinkertn@umich.edu /* 10548013Sbinkertn@umich.edu * Linux uses r8 for the current pointer (pointer to data 10558013Sbinkertn@umich.edu * structure contating info about currently running process). It 10568013Sbinkertn@umich.edu * is set when the kernel starts and is expected to remain 10578013Sbinkertn@umich.edu * there... Problem is that the unlike the kernel, the console 10588013Sbinkertn@umich.edu * does not prevent the assembler from using r8. So here is a work 10598013Sbinkertn@umich.edu * around. So far this has only been a problem in CallBackFixup() 10608013Sbinkertn@umich.edu * but any other call back functions couldd cause a problem at 10618013Sbinkertn@umich.edu * some point 10628013Sbinkertn@umich.edu */ 10637985Ssaidi@eecs.umich.edu 10648013Sbinkertn@umich.edu /* save off the current pointer to a temp variable */ 10658013Sbinkertn@umich.edu asm("bis $8, $31, %0" : "=r" (temp)); 10667985Ssaidi@eecs.umich.edu 10678013Sbinkertn@umich.edu /* call original code */ 10688013Sbinkertn@umich.edu printf_lock("CallbackFixup %x %x, t7=%x\n", a0, a1, temp); 10697985Ssaidi@eecs.umich.edu 10708013Sbinkertn@umich.edu /* restore the current pointer */ 10718013Sbinkertn@umich.edu asm("bis %0, $31, $8" : : "r" (temp) : "$8"); 10727977Shsul@eecs.umich.edu 10738013Sbinkertn@umich.edu return 0; 10747977Shsul@eecs.umich.edu} 10757977Shsul@eecs.umich.edu 10768013Sbinkertn@umich.eduvoid 10778013Sbinkertn@umich.eduSlaveCmd(int cpu, struct rpb_percpu *my_rpb) 10788013Sbinkertn@umich.edu{ 10798013Sbinkertn@umich.edu extern ulong palJToSlave[]; 10807977Shsul@eecs.umich.edu 10818013Sbinkertn@umich.edu printf_lock("Slave CPU %d console command %s", cpu, 10828013Sbinkertn@umich.edu my_rpb->rpb_iccb.iccb_rxbuf); 10837977Shsul@eecs.umich.edu 10848013Sbinkertn@umich.edu my_rpb->rpb_state |= STATE_BIP; 10858013Sbinkertn@umich.edu my_rpb->rpb_state &= ~STATE_RC; 10867977Shsul@eecs.umich.edu 10878013Sbinkertn@umich.edu printf_lock("SlaveCmd: restart %x %x vptb %x my_rpb %x my_rpb_phys %x\n", 10888013Sbinkertn@umich.edu rpb->rpb_restart, rpb->rpb_restart_pv, rpb->rpb_vptb, my_rpb, 10898013Sbinkertn@umich.edu KSEG_TO_PHYS(my_rpb)); 10907977Shsul@eecs.umich.edu 10918013Sbinkertn@umich.edu cServe(KSEG_TO_PHYS(palJToSlave), (ulong)rpb->rpb_restart, 10928013Sbinkertn@umich.edu CSERVE_K_JTOPAL, rpb->rpb_restart_pv, rpb->rpb_vptb, 10938013Sbinkertn@umich.edu KSEG_TO_PHYS(my_rpb)); 10947977Shsul@eecs.umich.edu 10958013Sbinkertn@umich.edu panic("SlaveCmd returned \n"); 10967977Shsul@eecs.umich.edu} 10977977Shsul@eecs.umich.edu 10988013Sbinkertn@umich.eduvoid 10998013Sbinkertn@umich.eduSlaveLoop(int cpu) 11007977Shsul@eecs.umich.edu{ 11018013Sbinkertn@umich.edu int size = ROUNDUP128(sizeof(struct rpb_percpu)); 11028013Sbinkertn@umich.edu struct rpb_percpu *my_rpb = (struct rpb_percpu*) 11038013Sbinkertn@umich.edu ((ulong)rpb_percpu + size * cpu); 11047977Shsul@eecs.umich.edu 11058013Sbinkertn@umich.edu if (cpu == 0) { 11068013Sbinkertn@umich.edu panic("CPU�0 entering slaveLoop. Reenetering the console. HOSED\n"); 11078013Sbinkertn@umich.edu } else { 11088013Sbinkertn@umich.edu printf_lock("Entering slaveloop for cpu %d my_rpb=%x\n", cpu, my_rpb); 11098013Sbinkertn@umich.edu } 11108004Ssaidi@eecs.umich.edu 11118013Sbinkertn@umich.edu // swap the processors context to the one in the 11128013Sbinkertn@umich.edu // rpb_percpu struct very carefully (i.e. no stack usage) 11138013Sbinkertn@umich.edu // so that linux knows which processor ends up in __smp_callin 11148013Sbinkertn@umich.edu // and we don't trash any data is the process 11158013Sbinkertn@umich.edu SlaveSpin(cpu, my_rpb, &my_rpb->rpb_iccb.iccb_rxlen); 11167977Shsul@eecs.umich.edu} 1117