18012Ssaidi@eecs.umich.edu/* 28029Snate@binkert.org * Copyright (c) 2003-2004 The Regents of The University of Michigan 38029Snate@binkert.org * Copyright (c) 1993 The Hewlett-Packard Development Company 48029Snate@binkert.org * All rights reserved. 58013Sbinkertn@umich.edu * 68029Snate@binkert.org * Redistribution and use in source and binary forms, with or without 78029Snate@binkert.org * modification, are permitted provided that the following conditions are 88029Snate@binkert.org * met: redistributions of source code must retain the above copyright 98029Snate@binkert.org * notice, this list of conditions and the following disclaimer; 108029Snate@binkert.org * redistributions in binary form must reproduce the above copyright 118029Snate@binkert.org * notice, this list of conditions and the following disclaimer in the 128029Snate@binkert.org * documentation and/or other materials provided with the distribution; 138029Snate@binkert.org * neither the name of the copyright holders nor the names of its 148029Snate@binkert.org * contributors may be used to endorse or promote products derived from 158029Snate@binkert.org * this software without specific prior written permission. 168013Sbinkertn@umich.edu * 178029Snate@binkert.org * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 188029Snate@binkert.org * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 198029Snate@binkert.org * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 208029Snate@binkert.org * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 218029Snate@binkert.org * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 228029Snate@binkert.org * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 238029Snate@binkert.org * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 248029Snate@binkert.org * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 258029Snate@binkert.org * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 268029Snate@binkert.org * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 278029Snate@binkert.org * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 288013Sbinkertn@umich.edu */ 297977Shsul@eecs.umich.edu 307977Shsul@eecs.umich.edu/* ****************************************** 318013Sbinkertn@umich.edu * M5 Console 327977Shsul@eecs.umich.edu * ******************************************/ 337977Shsul@eecs.umich.edu 348013Sbinkertn@umich.edu#include <linux/stddef.h> 358013Sbinkertn@umich.edu#include <sys/types.h> 367978Sbinkertn@umich.edu 377978Sbinkertn@umich.edu#define CONSOLE 388028Sblakeg@umich.edu#include "access.h" 398013Sbinkertn@umich.edu#include "cserve.h" 407977Shsul@eecs.umich.edu#include "rpb.h" 417977Shsul@eecs.umich.edu 427977Shsul@eecs.umich.edu#define CONS_INT_TX 0x01 /* interrupt enable / state bits */ 437977Shsul@eecs.umich.edu#define CONS_INT_RX 0x02 447977Shsul@eecs.umich.edu 458013Sbinkertn@umich.edu#define PAGE_SIZE (8192) 468013Sbinkertn@umich.edu 478018Smserrano@umich.edu#define KSTACK_REGION_VA 0x20040000 488018Smserrano@umich.edu 497977Shsul@eecs.umich.edu#define KSEG 0xfffffc0000000000 507977Shsul@eecs.umich.edu#define K1BASE 0xfffffc8000000000 518013Sbinkertn@umich.edu#define KSEG_TO_PHYS(x) (((ulong)x) & ~KSEG) 527977Shsul@eecs.umich.edu 538013Sbinkertn@umich.edu#define ROUNDUP8(x) ((ulong)(((ulong)x)+7) & ~7) 548013Sbinkertn@umich.edu#define ROUNDUP128(x) ((ulong)(((ulong)x) + 127) & ~127) 558013Sbinkertn@umich.edu#define ROUNDUP8K(x) ((ulong)(((ulong)(x)) + 8191) & ~8191) 567977Shsul@eecs.umich.edu 578013Sbinkertn@umich.edu#define FIRST(x) ((((ulong)(x)) >> 33) & 0x3ff) 588013Sbinkertn@umich.edu#define SECOND(x) ((((ulong)(x)) >> 23) & 0x3ff) 598013Sbinkertn@umich.edu#define THIRD(x) ((((ulong)(x)) >> 13) & 0x3ff) 608013Sbinkertn@umich.edu#define THIRD_XXX(x) ((((ulong)(x)) >> 13) & 0xfff) 618013Sbinkertn@umich.edu#define PFN(x) ((((ulong)(x) & ~KSEG) >> 13)) 627977Shsul@eecs.umich.edu 637977Shsul@eecs.umich.edu/* Kernel write | kernel read | valid */ 648013Sbinkertn@umich.edu#define KPTE(x) ((ulong)((((ulong)(x)) << 32) | 0x1101)) 657977Shsul@eecs.umich.edu 668010Ssaidi@eecs.umich.edu#define HWRPB_PAGES 16 677977Shsul@eecs.umich.edu 687977Shsul@eecs.umich.edu#define NUM_KERNEL_THIRD (4) 697977Shsul@eecs.umich.edu 708013Sbinkertn@umich.edu#define printf_lock(args...) \ 718013Sbinkertn@umich.edu do { \ 728013Sbinkertn@umich.edu SpinLock(&theLock); \ 738013Sbinkertn@umich.edu printf(args); \ 748013Sbinkertn@umich.edu SpinUnlock(&theLock); \ 758009Ssaidi@eecs.umich.edu } while (0) 768009Ssaidi@eecs.umich.edu 777977Shsul@eecs.umich.edu 788016Sbinkertn@umich.eduvoid unixBoot(int argc, char **argv); 798013Sbinkertn@umich.eduvoid JToKern(char *bootadr, ulong rpb_percpu, ulong free_pfn, ulong k_argc, 808013Sbinkertn@umich.edu char **k_argv, char **envp); 818013Sbinkertn@umich.eduvoid JToPal(ulong bootadr); 827977Shsul@eecs.umich.eduvoid SlaveLoop(int cpu); 837977Shsul@eecs.umich.edu 848015Sbinkertn@umich.eduvolatile struct AlphaAccess *m5AlphaAccess; 858013Sbinkertn@umich.edustruct AlphaAccess m5Conf; 867977Shsul@eecs.umich.edu 878013Sbinkertn@umich.eduulong theLock; 887977Shsul@eecs.umich.edu 898013Sbinkertn@umich.eduextern void SpinLock(ulong *lock); 907977Shsul@eecs.umich.edu#define SpinUnlock(_x) *(_x) = 0; 917977Shsul@eecs.umich.edu 927977Shsul@eecs.umich.edustruct _kernel_params { 938013Sbinkertn@umich.edu char *bootadr; 948013Sbinkertn@umich.edu ulong rpb_percpu; 958013Sbinkertn@umich.edu ulong free_pfn; 968013Sbinkertn@umich.edu ulong argc; 978013Sbinkertn@umich.edu ulong argv; 988013Sbinkertn@umich.edu ulong envp; /* NULL */ 997977Shsul@eecs.umich.edu}; 1007977Shsul@eecs.umich.edu 1017977Shsul@eecs.umich.eduextern consoleCallback[]; 1027977Shsul@eecs.umich.eduextern consoleFixup[]; 1037977Shsul@eecs.umich.edulong CallBackDispatcher(); 1047977Shsul@eecs.umich.edulong CallBackFixup(); 1057977Shsul@eecs.umich.edu 1067977Shsul@eecs.umich.edu/* 1078013Sbinkertn@umich.edu * m5 console output 1087977Shsul@eecs.umich.edu */ 1097977Shsul@eecs.umich.edu 1108013Sbinkertn@umich.eduvoid 1118013Sbinkertn@umich.eduInitConsole() 1127977Shsul@eecs.umich.edu{ 1137977Shsul@eecs.umich.edu} 1147977Shsul@eecs.umich.edu 1158013Sbinkertn@umich.educhar 1168013Sbinkertn@umich.eduGetChar() 1177978Sbinkertn@umich.edu{ 1188015Sbinkertn@umich.edu return m5AlphaAccess->inputChar; 1197978Sbinkertn@umich.edu} 1207978Sbinkertn@umich.edu 1218013Sbinkertn@umich.eduvoid 1228013Sbinkertn@umich.eduPutChar(char c) 1237977Shsul@eecs.umich.edu{ 1248015Sbinkertn@umich.edu m5AlphaAccess->outputChar = c; 1257977Shsul@eecs.umich.edu} 1267977Shsul@eecs.umich.edu 1277978Sbinkertn@umich.eduint 1287978Sbinkertn@umich.edupassArgs(int argc) 1298013Sbinkertn@umich.edu{ 1308013Sbinkertn@umich.edu return 0; 1318013Sbinkertn@umich.edu} 1327977Shsul@eecs.umich.edu 1337978Sbinkertn@umich.eduint 1347977Shsul@eecs.umich.edumain(int argc, char **argv) 1357977Shsul@eecs.umich.edu{ 1368013Sbinkertn@umich.edu int x, i; 1378013Sbinkertn@umich.edu uint *k1ptr, *ksegptr; 1387977Shsul@eecs.umich.edu 1398013Sbinkertn@umich.edu InitConsole(); 1408015Sbinkertn@umich.edu printf_lock("M5 console: m5AlphaAccess @ 0x%x\n", m5AlphaAccess); 1417977Shsul@eecs.umich.edu 1428013Sbinkertn@umich.edu /* 1438013Sbinkertn@umich.edu * get configuration from backdoor 1448013Sbinkertn@umich.edu */ 1458015Sbinkertn@umich.edu m5Conf.last_offset = m5AlphaAccess->last_offset; 1468013Sbinkertn@umich.edu printf_lock("Got Configuration %d\n", m5Conf.last_offset); 1478001Ssaidi@eecs.umich.edu 1488015Sbinkertn@umich.edu m5Conf.last_offset = m5AlphaAccess->last_offset; 1498015Sbinkertn@umich.edu m5Conf.version = m5AlphaAccess->version; 1508015Sbinkertn@umich.edu m5Conf.numCPUs = m5AlphaAccess->numCPUs; 1518015Sbinkertn@umich.edu m5Conf.intrClockFrequency = m5AlphaAccess->intrClockFrequency; 1528015Sbinkertn@umich.edu m5Conf.cpuClock = m5AlphaAccess->cpuClock; 1538015Sbinkertn@umich.edu m5Conf.mem_size = m5AlphaAccess->mem_size; 1548015Sbinkertn@umich.edu m5Conf.kernStart = m5AlphaAccess->kernStart; 1558015Sbinkertn@umich.edu m5Conf.kernEnd = m5AlphaAccess->kernEnd; 1568015Sbinkertn@umich.edu m5Conf.entryPoint = m5AlphaAccess->entryPoint; 1578015Sbinkertn@umich.edu m5Conf.diskUnit = m5AlphaAccess->diskUnit; 1588015Sbinkertn@umich.edu m5Conf.diskCount = m5AlphaAccess->diskCount; 1598015Sbinkertn@umich.edu m5Conf.diskPAddr = m5AlphaAccess->diskPAddr; 1608015Sbinkertn@umich.edu m5Conf.diskBlock = m5AlphaAccess->diskBlock; 1618015Sbinkertn@umich.edu m5Conf.diskOperation = m5AlphaAccess->diskOperation; 1628015Sbinkertn@umich.edu m5Conf.outputChar = m5AlphaAccess->outputChar; 1638015Sbinkertn@umich.edu m5Conf.inputChar = m5AlphaAccess->inputChar; 1647977Shsul@eecs.umich.edu 1658013Sbinkertn@umich.edu if (m5Conf.version != ALPHA_ACCESS_VERSION) { 1668013Sbinkertn@umich.edu panic("Console version mismatch. Console expects %d. has %d \n", 1678013Sbinkertn@umich.edu ALPHA_ACCESS_VERSION, m5Conf.version); 1688013Sbinkertn@umich.edu } 1697977Shsul@eecs.umich.edu 1708013Sbinkertn@umich.edu /* 1718013Sbinkertn@umich.edu * setup arguments to kernel 1728013Sbinkertn@umich.edu */ 1738016Sbinkertn@umich.edu unixBoot(argc, argv); 1747977Shsul@eecs.umich.edu 1758016Sbinkertn@umich.edu panic("unix failed to boot\n"); 1768016Sbinkertn@umich.edu return 1; 1777977Shsul@eecs.umich.edu} 1787977Shsul@eecs.umich.edu 1797977Shsul@eecs.umich.edu/* 1807977Shsul@eecs.umich.edu * BOOTING 1817977Shsul@eecs.umich.edu */ 1828013Sbinkertn@umich.edustruct rpb m5_rpb = { 1838013Sbinkertn@umich.edu NULL, /* 000: physical self-reference */ 1848013Sbinkertn@umich.edu ((long)'H') | (((long)'W') << 8) | (((long)'R') << 16) | 1858013Sbinkertn@umich.edu ((long)'P' << 24) | (((long)'B') << 32), /* 008: contains "HWRPB" */ 1868013Sbinkertn@umich.edu 6, /* 010: HWRPB version number */ 1878013Sbinkertn@umich.edu /* the byte count is wrong, but who needs it? - lance */ 1888013Sbinkertn@umich.edu 0, /* 018: bytes in RPB perCPU CTB CRB MEDSC */ 1898013Sbinkertn@umich.edu 0, /* 020: primary cpu id */ 1908013Sbinkertn@umich.edu PAGE_SIZE, /* 028: page size in bytes */ 1918013Sbinkertn@umich.edu 43, /* 030: number of phys addr bits */ 1928013Sbinkertn@umich.edu 127, /* 038: max valid ASN */ 1938013Sbinkertn@umich.edu {'0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','1'}, 1948013Sbinkertn@umich.edu /* 040: system serial num: 10 ascii chars */ 1958013Sbinkertn@umich.edu 0, /* OVERRIDDEN */ 1968013Sbinkertn@umich.edu (1<<10), /* 058: system variation */ 1978013Sbinkertn@umich.edu 'c'|('o'<<8)|('o'<<16)|('l'<< 24), /* 060: system revision */ 1988013Sbinkertn@umich.edu 1024*4096, /* 068: scaled interval clock intr freq */ 1998013Sbinkertn@umich.edu 0, /* 070: cycle counter frequency */ 2008013Sbinkertn@umich.edu 0x200000000, /* 078: virtual page table base */ 2018013Sbinkertn@umich.edu 0, /* 080: reserved */ 2028013Sbinkertn@umich.edu 0, /* 088: offset to translation buffer hint */ 2038013Sbinkertn@umich.edu 1, /* 090: number of processor slots OVERRIDDEN*/ 2048013Sbinkertn@umich.edu sizeof(struct rpb_percpu), /* 098: per-cpu slot size. OVERRIDDEN */ 2058013Sbinkertn@umich.edu 0, /* 0A0: offset to per_cpu slots */ 2068013Sbinkertn@umich.edu 1, /* 0A8: number of CTBs */ 2078013Sbinkertn@umich.edu sizeof(struct ctb_tt), 2088013Sbinkertn@umich.edu 0, /* 0B8: offset to CTB (cons term block) */ 2098013Sbinkertn@umich.edu 0, /* 0C0: offset to CRB (cons routine block) */ 2108013Sbinkertn@umich.edu 0, /* 0C8: offset to memory descriptor table */ 2118013Sbinkertn@umich.edu 0, /* 0D0: offset to config data block */ 2128013Sbinkertn@umich.edu 0, /* 0D8: offset to FRU table */ 2138013Sbinkertn@umich.edu 0, /* 0E0: virt addr of save term routine */ 2148013Sbinkertn@umich.edu 0, /* 0E8: proc value for save term routine */ 2158013Sbinkertn@umich.edu 0, /* 0F0: virt addr of restore term routine */ 2168013Sbinkertn@umich.edu 0, /* 0F8: proc value for restore term routine */ 2178013Sbinkertn@umich.edu 0, /* 100: virt addr of CPU restart routine */ 2188013Sbinkertn@umich.edu 0, /* 108: proc value for CPU restart routine */ 2198013Sbinkertn@umich.edu 0, /* 110: used to determine presence of kdebug */ 2208013Sbinkertn@umich.edu 0, /* 118: reserved for hardware */ 2217977Shsul@eecs.umich.edu/* the checksum is wrong, but who needs it? - lance */ 2228013Sbinkertn@umich.edu 0, /* 120: checksum of prior entries in rpb */ 2238013Sbinkertn@umich.edu 0, /* 128: receive ready bitmask */ 2248013Sbinkertn@umich.edu 0, /* 130: transmit ready bitmask */ 2258013Sbinkertn@umich.edu 0, /* 138: Dynamic System Recog. offset */ 2267977Shsul@eecs.umich.edu}; 2277977Shsul@eecs.umich.edu 2288013Sbinkertn@umich.eduulong m5_tbb[] = { 0x1e1e1e1e1e1e1e1e, 0x1e1e1e1e1e1e1e1e, 2298013Sbinkertn@umich.edu 0x1e1e1e1e1e1e1e1e, 0x1e1e1e1e1e1e1e1e, 2308013Sbinkertn@umich.edu 0x1e1e1e1e1e1e1e1e, 0x1e1e1e1e1e1e1e1e, 2318013Sbinkertn@umich.edu 0x1e1e1e1e1e1e1e1e, 0x1e1e1e1e1e1e1e1e }; 2327977Shsul@eecs.umich.edu 2338013Sbinkertn@umich.edustruct rpb_percpu m5_rpb_percpu = { 2348013Sbinkertn@umich.edu {0,0,0,0,0,0,1,{0,0},{0,0,0,0,0,0,0,0}}, /* 000: boot/restart HWPCB */ 2358013Sbinkertn@umich.edu (STATE_PA | STATE_PP | STATE_CV | 2368013Sbinkertn@umich.edu STATE_PV | STATE_PMV | STATE_PL), /* 080: per-cpu state bits */ 2378013Sbinkertn@umich.edu 0xc000, /* 088: palcode memory length */ 2388013Sbinkertn@umich.edu 0x2000, /* 090: palcode scratch length */ 2398013Sbinkertn@umich.edu 0x4000, /* 098: paddr of pal mem space */ 2408013Sbinkertn@umich.edu 0x2000, /* 0A0: paddr of pal scratch space */ 2418013Sbinkertn@umich.edu (2 << 16) | (5 << 8) | 1, /* 0A8: PALcode rev required */ 2428013Sbinkertn@umich.edu 11 | (2L << 32), /* 0B0: processor type */ 2438013Sbinkertn@umich.edu 7, /* 0B8: processor variation */ 2448013Sbinkertn@umich.edu 'M'|('5'<<8)|('A'<<16)|('0'<<24), /* 0C0: processor revision */ 2458013Sbinkertn@umich.edu {'M','5','/','A','l','p','h','a','0','0','0','0','0','0','0','0'}, 2468013Sbinkertn@umich.edu /* 0C8: proc serial num: 10 chars */ 2478013Sbinkertn@umich.edu 0, /* 0D8: phys addr of logout area */ 2488013Sbinkertn@umich.edu 0, /* 0E0: len in bytes of logout area */ 2498013Sbinkertn@umich.edu 0, /* 0E8: halt pcb base */ 2508013Sbinkertn@umich.edu 0, /* 0F0: halt pc */ 2518013Sbinkertn@umich.edu 0, /* 0F8: halt ps */ 2528013Sbinkertn@umich.edu 0, /* 100: halt arg list (R25) */ 2538013Sbinkertn@umich.edu 0, /* 108: halt return address (R26) */ 2548013Sbinkertn@umich.edu 0, /* 110: halt procedure value (R27) */ 2558013Sbinkertn@umich.edu 0, /* 118: reason for halt */ 2568013Sbinkertn@umich.edu 0, /* 120: for software */ 2578013Sbinkertn@umich.edu {0}, /* 128: inter-console comm buffer */ 2588013Sbinkertn@umich.edu {1,0,5,0,0,0,0,0,0,0,0,0,0,0,0,0}, /* 1D0: PALcode revs available */ 2598013Sbinkertn@umich.edu 0 /* 250: reserved for arch use */ 2607977Shsul@eecs.umich.edu/* the dump stack grows from the end of the rpb page not to reach here */ 2617977Shsul@eecs.umich.edu}; 2627977Shsul@eecs.umich.edu 2638013Sbinkertn@umich.edustruct _m5_rpb_mdt { 2648013Sbinkertn@umich.edu long rpb_checksum; /* 000: checksum of entire mem desc table */ 2658013Sbinkertn@umich.edu long rpb_impaddr; /* 008: PA of implementation dep info */ 2668013Sbinkertn@umich.edu long rpb_numcl; /* 010: number of clusters */ 2678013Sbinkertn@umich.edu struct rpb_cluster rpb_cluster[3]; /* first instance of a cluster */ 2687977Shsul@eecs.umich.edu}; 2697977Shsul@eecs.umich.edu 2708013Sbinkertn@umich.edustruct _m5_rpb_mdt m5_rpb_mdt = { 2718013Sbinkertn@umich.edu 0, /* 000: checksum of entire mem desc table */ 2728013Sbinkertn@umich.edu 0, /* 008: PA of implementation dep info */ 2738013Sbinkertn@umich.edu 0, /* 010: number of clusters */ 2748013Sbinkertn@umich.edu {{ 0, /* 000: starting PFN of this cluster */ 2757977Shsul@eecs.umich.edu 0, /* 008: count of PFNs in this cluster */ 2767977Shsul@eecs.umich.edu 0, /* 010: count of tested PFNs in cluster */ 2777977Shsul@eecs.umich.edu 0, /* 018: va of bitmap */ 2787977Shsul@eecs.umich.edu 0, /* 020: pa of bitmap */ 2797977Shsul@eecs.umich.edu 0, /* 028: checksum of bitmap */ 2807977Shsul@eecs.umich.edu 1 /* 030: usage of cluster */ 2818013Sbinkertn@umich.edu }, 2828013Sbinkertn@umich.edu { 0, /* 000: starting PFN of this cluster */ 2838013Sbinkertn@umich.edu 0, /* 008: count of PFNs in this cluster */ 2848013Sbinkertn@umich.edu 0, /* 010: count of tested PFNs in cluster */ 2858013Sbinkertn@umich.edu 0, /* 018: va of bitmap */ 2868013Sbinkertn@umich.edu 0, /* 020: pa of bitmap */ 2878013Sbinkertn@umich.edu 0, /* 028: checksum of bitmap */ 2888013Sbinkertn@umich.edu 0 /* 030: usage of cluster */ 2898013Sbinkertn@umich.edu }, 2908013Sbinkertn@umich.edu { 0, /* 000: starting PFN of this cluster */ 2918013Sbinkertn@umich.edu 0, /* 008: count of PFNs in this cluster */ 2928013Sbinkertn@umich.edu 0, /* 010: count of tested PFNs in cluster */ 2938013Sbinkertn@umich.edu 0, /* 018: va of bitmap */ 2948013Sbinkertn@umich.edu 0, /* 020: pa of bitmap */ 2958013Sbinkertn@umich.edu 0, /* 028: checksum of bitmap */ 2968013Sbinkertn@umich.edu 0 /* 030: usage of cluster */ 2978013Sbinkertn@umich.edu }} 2987977Shsul@eecs.umich.edu}; 2997977Shsul@eecs.umich.edu 3007977Shsul@eecs.umich.edu/* constants for slotinfo bus_type subfield */ 3017977Shsul@eecs.umich.edu#define SLOTINFO_TC 0 3027977Shsul@eecs.umich.edu#define SLOTINFO_ISA 1 3037977Shsul@eecs.umich.edu#define SLOTINFO_EISA 2 3047977Shsul@eecs.umich.edu#define SLOTINFO_PCI 3 3057977Shsul@eecs.umich.edu 3068013Sbinkertn@umich.edustruct rpb_ctb m5_rpb_ctb = { 3078013Sbinkertn@umich.edu CONS_DZ, /* 000: console type */ 3088013Sbinkertn@umich.edu 0, /* 008: console unit */ 3098013Sbinkertn@umich.edu 0, /* 010: reserved */ 3108013Sbinkertn@umich.edu 0 /* 018: byte length of device dep portion */ 3117977Shsul@eecs.umich.edu}; 3127977Shsul@eecs.umich.edu 3137977Shsul@eecs.umich.edu/* we don't do any fixup (aka relocate the console) - we hope */ 3148013Sbinkertn@umich.edustruct rpb_crb m5_rpb_crb = { 3158013Sbinkertn@umich.edu 0, /* va of call-back dispatch rtn */ 3168013Sbinkertn@umich.edu 0, /* pa of call-back dispatch rtn */ 3178013Sbinkertn@umich.edu 0, /* va of call-back fixup rtn */ 3188013Sbinkertn@umich.edu 0, /* pa of call-back fixup rtn */ 3198013Sbinkertn@umich.edu 0, /* number of entries in phys/virt map */ 3208013Sbinkertn@umich.edu 0 /* Number of pages to be mapped */ 3217977Shsul@eecs.umich.edu}; 3227977Shsul@eecs.umich.edu 3237977Shsul@eecs.umich.edustruct _rpb_name { 3248013Sbinkertn@umich.edu ulong length; 3258013Sbinkertn@umich.edu char name[16]; 3267977Shsul@eecs.umich.edu}; 3277977Shsul@eecs.umich.edu 3288013Sbinkertn@umich.eduextern struct _rpb_name m5_name; 3297977Shsul@eecs.umich.edu 3308013Sbinkertn@umich.edustruct rpb_dsr m5_rpb_dsr = { 3318013Sbinkertn@umich.edu 0, 3328013Sbinkertn@umich.edu 0, 3338013Sbinkertn@umich.edu 0, 3347977Shsul@eecs.umich.edu}; 3357977Shsul@eecs.umich.edu 3368013Sbinkertn@umich.edustruct _rpb_name m5_name = { 3378013Sbinkertn@umich.edu 16, 3388013Sbinkertn@umich.edu {'U','M','I','C','H',' ','M','5','/','A','L','P','H','A',' ',0}, 3397977Shsul@eecs.umich.edu}; 3407977Shsul@eecs.umich.edu 3418013Sbinkertn@umich.edu/* 3428013Sbinkertn@umich.edu * M5 has one LURT entry: 3438013Sbinkertn@umich.edu * 1050 is for workstations 3448013Sbinkertn@umich.edu * 1100 is servers (and is needed for CXX) 3458013Sbinkertn@umich.edu */ 3468013Sbinkertn@umich.edulong m5_lurt[10] = { 9, 12, -1, -1, -1, -1, -1, -1, 1100, 1100 }; 3477977Shsul@eecs.umich.edu 3488013Sbinkertn@umich.eduulong unix_boot_mem; 3498013Sbinkertn@umich.eduulong bootadr; 3508013Sbinkertn@umich.edu 3517977Shsul@eecs.umich.educhar **kargv; 3527977Shsul@eecs.umich.eduint kargc; 3538013Sbinkertn@umich.eduulong free_pfn; 3547977Shsul@eecs.umich.edustruct rpb_percpu *rpb_percpu; 3557977Shsul@eecs.umich.edu 3568013Sbinkertn@umich.educhar * 3578013Sbinkertn@umich.eduunix_boot_alloc(int pages) 3587977Shsul@eecs.umich.edu{ 3598016Sbinkertn@umich.edu char *ret = (char *)unix_boot_mem; 3608013Sbinkertn@umich.edu unix_boot_mem += (pages * PAGE_SIZE); 3618013Sbinkertn@umich.edu return ret; 3627977Shsul@eecs.umich.edu} 3637977Shsul@eecs.umich.edu 3648013Sbinkertn@umich.eduulong *first = 0; 3658013Sbinkertn@umich.eduulong *third_rpb = 0; 3668013Sbinkertn@umich.eduulong *reservedFixup = 0; 3677977Shsul@eecs.umich.edu 3687978Sbinkertn@umich.eduint strcpy(char *dst, char *src); 3697978Sbinkertn@umich.edu 3707977Shsul@eecs.umich.edustruct rpb *rpb; 3718013Sbinkertn@umich.eduextern ulong _end; 3727977Shsul@eecs.umich.edu 3738013Sbinkertn@umich.eduvoid 3748016Sbinkertn@umich.eduunixBoot(int argc, char **argv) 3757977Shsul@eecs.umich.edu{ 3768013Sbinkertn@umich.edu ulong *second, *third_kernel, ptr, *tbb, size, *percpu_logout; 3778013Sbinkertn@umich.edu unsigned char *mdt_bitmap; 3788013Sbinkertn@umich.edu long *lp1, *lp2, sum; 3798013Sbinkertn@umich.edu int i, cl; 3808028Sblakeg@umich.edu ulong kern_first_page; 3818028Sblakeg@umich.edu ulong mem_size = m5Conf.mem_size; 3827977Shsul@eecs.umich.edu 3838028Sblakeg@umich.edu ulong mem_pages = mem_size / PAGE_SIZE, cons_pages; 3848028Sblakeg@umich.edu ulong mdt_bitmap_pages = mem_pages / (PAGE_SIZE*8); 3858028Sblakeg@umich.edu 3868013Sbinkertn@umich.edu ulong kernel_bytes, ksp, kernel_end, *unix_kernel_stack, bss, 3878013Sbinkertn@umich.edu ksp_bottom, ksp_top; 3888013Sbinkertn@umich.edu struct rpb_ctb *rpb_ctb; 3898013Sbinkertn@umich.edu struct ctb_tt *ctb_tt; 3908013Sbinkertn@umich.edu struct rpb_dsr *rpb_dsr; 3918013Sbinkertn@umich.edu struct rpb_crb *rpb_crb; 3928013Sbinkertn@umich.edu struct _m5_rpb_mdt *rpb_mdt; 3938013Sbinkertn@umich.edu int *rpb_lurt; 3948013Sbinkertn@umich.edu char *rpb_name; 3958013Sbinkertn@umich.edu ulong nextPtr; 3967977Shsul@eecs.umich.edu 3978013Sbinkertn@umich.edu printf_lock("memsize %x pages %x \n", mem_size, mem_pages); 3987977Shsul@eecs.umich.edu 3998013Sbinkertn@umich.edu /* Allocate: 4008013Sbinkertn@umich.edu * two pages for the HWRPB 4018013Sbinkertn@umich.edu * five page table pages: 4028013Sbinkertn@umich.edu * 1: First level page table 4038013Sbinkertn@umich.edu * 1: Second level page table 4048013Sbinkertn@umich.edu * 1: Third level page table for HWRPB 4058013Sbinkertn@umich.edu * 2: Third level page table for kernel (for up to 16MB) 4068013Sbinkertn@umich.edu * set up the page tables 4078013Sbinkertn@umich.edu * load the kernel at the physical address 0x230000 4088013Sbinkertn@umich.edu * build the HWRPB 4098013Sbinkertn@umich.edu * set up memory descriptor table to give up the 4108013Sbinkertn@umich.edu * physical memory between the end of the page 4118013Sbinkertn@umich.edu * tables and the start of the kernel 4128013Sbinkertn@umich.edu * enable kseg addressing 4138013Sbinkertn@umich.edu * jump to the kernel 4148013Sbinkertn@umich.edu */ 4157977Shsul@eecs.umich.edu 4168013Sbinkertn@umich.edu unix_boot_mem = ROUNDUP8K(&_end); 4177977Shsul@eecs.umich.edu 4188013Sbinkertn@umich.edu printf_lock("First free page after ROM 0x%x\n", unix_boot_mem); 4197977Shsul@eecs.umich.edu 4208016Sbinkertn@umich.edu rpb = (struct rpb *)unix_boot_alloc(HWRPB_PAGES); 4217977Shsul@eecs.umich.edu 42211320Ssteve.reinhardt@amd.com mdt_bitmap = (unsigned char *)unix_boot_alloc(mdt_bitmap_pages); 4238013Sbinkertn@umich.edu first = (ulong *)unix_boot_alloc(1); 4248013Sbinkertn@umich.edu second = (ulong *)unix_boot_alloc(1); 4258013Sbinkertn@umich.edu third_rpb = (ulong *)unix_boot_alloc(1); 4268013Sbinkertn@umich.edu reservedFixup = (ulong*) unix_boot_alloc(1); 4278013Sbinkertn@umich.edu third_kernel = (ulong *)unix_boot_alloc(NUM_KERNEL_THIRD); 4288013Sbinkertn@umich.edu percpu_logout = (ulong*)unix_boot_alloc(1); 4297977Shsul@eecs.umich.edu 4308013Sbinkertn@umich.edu cons_pages = KSEG_TO_PHYS(unix_boot_mem) / PAGE_SIZE; 4317977Shsul@eecs.umich.edu 4328013Sbinkertn@umich.edu /* Set up the page tables */ 4338013Sbinkertn@umich.edu bzero((char *)first, PAGE_SIZE); 4348013Sbinkertn@umich.edu bzero((char *)second, PAGE_SIZE); 4358013Sbinkertn@umich.edu bzero((char *)reservedFixup, PAGE_SIZE); 4368013Sbinkertn@umich.edu bzero((char *)third_rpb, HWRPB_PAGES * PAGE_SIZE); 4378013Sbinkertn@umich.edu bzero((char *)third_kernel, PAGE_SIZE * NUM_KERNEL_THIRD); 4387977Shsul@eecs.umich.edu 4398013Sbinkertn@umich.edu first[0] = KPTE(PFN(second)); 4408013Sbinkertn@umich.edu first[1] = KPTE(PFN(first)); /* Region 3 */ 4417977Shsul@eecs.umich.edu 4428013Sbinkertn@umich.edu /* Region 0 */ 4438013Sbinkertn@umich.edu second[SECOND(0x10000000)] = KPTE(PFN(third_rpb)); 4447977Shsul@eecs.umich.edu 4458013Sbinkertn@umich.edu for (i = 0; i < NUM_KERNEL_THIRD; i++) { 4468013Sbinkertn@umich.edu /* Region 1 */ 4478013Sbinkertn@umich.edu second[SECOND(0x20000000) + i] = KPTE(PFN(third_kernel) + i); 4488013Sbinkertn@umich.edu } 4498018Smserrano@umich.edu 4508013Sbinkertn@umich.edu /* Region 2 */ 4518013Sbinkertn@umich.edu second[SECOND(0x40000000)] = KPTE(PFN(second)); 4527977Shsul@eecs.umich.edu 4537977Shsul@eecs.umich.edu 4548013Sbinkertn@umich.edu /* For some obscure reason, Dec Unix's database read 4558013Sbinkertn@umich.edu * from /etc/sysconfigtab is written to this fixed 4568013Sbinkertn@umich.edu * mapped memory location. Go figure, since it is 4578013Sbinkertn@umich.edu * not initialized by the console. Maybe it is 4588013Sbinkertn@umich.edu * to look at the database from the console 4598013Sbinkertn@umich.edu * after a boot/crash. 4608013Sbinkertn@umich.edu * 4618013Sbinkertn@umich.edu * Black magic to estimate the max size. SEGVs on overflow 4628013Sbinkertn@umich.edu * bugnion 4638013Sbinkertn@umich.edu */ 4647977Shsul@eecs.umich.edu 4657977Shsul@eecs.umich.edu#define DATABASE_BASE 0x20000000 4667977Shsul@eecs.umich.edu#define DATABASE_END 0x20020000 4677977Shsul@eecs.umich.edu 4688013Sbinkertn@umich.edu ulong *dbPage = (ulong*)unix_boot_alloc(1); 4698018Smserrano@umich.edu bzero(dbPage, PAGE_SIZE); 4708013Sbinkertn@umich.edu second[SECOND(DATABASE_BASE)] = KPTE(PFN(dbPage)); 4718018Smserrano@umich.edu for (i = DATABASE_BASE; i < DATABASE_END ; i += PAGE_SIZE) { 4728013Sbinkertn@umich.edu ulong *db = (ulong*)unix_boot_alloc(1); 4738013Sbinkertn@umich.edu dbPage[THIRD(i)] = KPTE(PFN(db)); 4748013Sbinkertn@umich.edu } 4757977Shsul@eecs.umich.edu 4768013Sbinkertn@umich.edu /* Region 0 */ 4778013Sbinkertn@umich.edu /* Map the HWRPB */ 4788013Sbinkertn@umich.edu for (i = 0; i < HWRPB_PAGES; i++) 4798013Sbinkertn@umich.edu third_rpb[i] = KPTE(PFN(rpb) + i); 4807977Shsul@eecs.umich.edu 4818013Sbinkertn@umich.edu /* Map the MDT bitmap table */ 4828028Sblakeg@umich.edu for (i = 0; i < mdt_bitmap_pages; i++) { 4838013Sbinkertn@umich.edu third_rpb[HWRPB_PAGES + i] = KPTE(PFN(mdt_bitmap) + i); 4848013Sbinkertn@umich.edu } 4857977Shsul@eecs.umich.edu 4868013Sbinkertn@umich.edu /* Protect the PAL pages */ 4878013Sbinkertn@umich.edu for (i = 1; i < PFN(first); i++) 4888028Sblakeg@umich.edu third_rpb[HWRPB_PAGES + mdt_bitmap_pages + i] = KPTE(i); 4897977Shsul@eecs.umich.edu 4907977Shsul@eecs.umich.edu /* Set up third_kernel after it's loaded, when we know where it is */ 4918013Sbinkertn@umich.edu kern_first_page = (KSEG_TO_PHYS(m5Conf.kernStart)/PAGE_SIZE); 4928018Smserrano@umich.edu kernel_end = ROUNDUP8K(m5Conf.kernEnd); 4938013Sbinkertn@umich.edu bootadr = m5Conf.entryPoint; 4947977Shsul@eecs.umich.edu 4958013Sbinkertn@umich.edu printf_lock("HWRPB 0x%x l1pt 0x%x l2pt 0x%x l3pt_rpb 0x%x l3pt_kernel 0x%x" 4968013Sbinkertn@umich.edu " l2reserv 0x%x\n", 4978013Sbinkertn@umich.edu rpb, first, second, third_rpb, third_kernel, reservedFixup); 4988013Sbinkertn@umich.edu if (kernel_end - m5Conf.kernStart > (0x800000*NUM_KERNEL_THIRD)) { 4998013Sbinkertn@umich.edu printf_lock("Kernel is more than 8MB 0x%x - 0x%x = 0x%x\n", 5008013Sbinkertn@umich.edu kernel_end, m5Conf.kernStart, 5018013Sbinkertn@umich.edu kernel_end - m5Conf.kernStart ); 5028013Sbinkertn@umich.edu panic("kernel too big\n"); 5038013Sbinkertn@umich.edu } 5048018Smserrano@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); 5058018Smserrano@umich.edu ksp_bottom = (ulong)unix_boot_alloc(1); 5068018Smserrano@umich.edu ksp_top = ksp_bottom + PAGE_SIZE; 5078018Smserrano@umich.edu ptr = (ulong) ksp_bottom; 5088018Smserrano@umich.edu bzero((char *)ptr, PAGE_SIZE); 5098018Smserrano@umich.edu dbPage[THIRD(KSTACK_REGION_VA)] = 0; /* Stack Guard Page */ 5108018Smserrano@umich.edu dbPage[THIRD(KSTACK_REGION_VA + PAGE_SIZE)] = KPTE(PFN(ptr)); /* Kernel Stack Page */ 5118018Smserrano@umich.edu dbPage[THIRD(KSTACK_REGION_VA + 2*PAGE_SIZE)] = 0; /* Stack Guard Page */ 5127977Shsul@eecs.umich.edu 5138013Sbinkertn@umich.edu /* put argv into the bottom of the stack - argv starts at 1 because 5148013Sbinkertn@umich.edu * the command thatr got us here (i.e. "unixboot) is in argv[0]. 5158013Sbinkertn@umich.edu */ 5168018Smserrano@umich.edu ksp = ksp_top - 8; /* Back up one longword */ 5178013Sbinkertn@umich.edu ksp -= argc * sizeof(char *); /* Make room for argv */ 5188013Sbinkertn@umich.edu kargv = (char **) ksp; 5198013Sbinkertn@umich.edu for (i = 1; i < argc; i++) { /* Copy arguments to stack */ 5208013Sbinkertn@umich.edu ksp -= ((strlen(argv[i]) + 1) + 7) & ~0x7; 5218013Sbinkertn@umich.edu kargv[i-1] = (char *) ksp; 5228013Sbinkertn@umich.edu strcpy(kargv[i - 1], argv[i]); 5238013Sbinkertn@umich.edu } 5248013Sbinkertn@umich.edu kargc = i - 1; 5258013Sbinkertn@umich.edu kargv[kargc] = NULL; /* just to be sure; doesn't seem to be used */ 5268013Sbinkertn@umich.edu ksp -= sizeof(char *); /* point above last arg for no real reason */ 5277977Shsul@eecs.umich.edu 5288018Smserrano@umich.edu free_pfn = PFN(kernel_end); 5297977Shsul@eecs.umich.edu 5308013Sbinkertn@umich.edu bcopy((char *)&m5_rpb, (char *)rpb, sizeof(struct rpb)); 5317977Shsul@eecs.umich.edu 5328013Sbinkertn@umich.edu rpb->rpb_selfref = (struct rpb *) KSEG_TO_PHYS(rpb); 5338013Sbinkertn@umich.edu rpb->rpb_string = 0x0000004250525748; 5347977Shsul@eecs.umich.edu 5358013Sbinkertn@umich.edu tbb = (ulong *) (((char *) rpb) + ROUNDUP8(sizeof(struct rpb))); 5368013Sbinkertn@umich.edu rpb->rpb_trans_off = (ulong)tbb - (ulong)rpb; 5378013Sbinkertn@umich.edu bcopy((char *)m5_tbb, (char *)tbb, sizeof(m5_tbb)); 5387977Shsul@eecs.umich.edu 5398013Sbinkertn@umich.edu /* 5408013Sbinkertn@umich.edu * rpb_counter. Use to determine timeouts in OS. 5418013Sbinkertn@umich.edu * XXX must be patched after a checkpoint restore (I guess) 5428013Sbinkertn@umich.edu */ 5437977Shsul@eecs.umich.edu 5448013Sbinkertn@umich.edu printf_lock("CPU Clock at %d MHz IntrClockFrequency=%d \n", 5458013Sbinkertn@umich.edu m5Conf.cpuClock, m5Conf.intrClockFrequency); 5468013Sbinkertn@umich.edu rpb->rpb_counter = m5Conf.cpuClock * 1000 * 1000; 5477977Shsul@eecs.umich.edu 5488013Sbinkertn@umich.edu /* 5498013Sbinkertn@umich.edu * By definition, the rpb_clock is scaled by 4096 (in hz) 5508013Sbinkertn@umich.edu */ 5518013Sbinkertn@umich.edu rpb->rpb_clock = m5Conf.intrClockFrequency * 4096; 5527977Shsul@eecs.umich.edu 5538013Sbinkertn@umich.edu /* 5548013Sbinkertn@umich.edu * Per CPU Slots. Multiprocessor support. 5558013Sbinkertn@umich.edu */ 5568013Sbinkertn@umich.edu int percpu_size = ROUNDUP128(sizeof(struct rpb_percpu)); 5577977Shsul@eecs.umich.edu 5588013Sbinkertn@umich.edu printf_lock("Booting with %d processor(s) \n", m5Conf.numCPUs); 5597977Shsul@eecs.umich.edu 5608013Sbinkertn@umich.edu rpb->rpb_numprocs = m5Conf.numCPUs; 5618013Sbinkertn@umich.edu rpb->rpb_slotsize = percpu_size; 5628013Sbinkertn@umich.edu rpb_percpu = (struct rpb_percpu *) 5638013Sbinkertn@umich.edu ROUNDUP128(((ulong)tbb) + (sizeof(m5_tbb))); 5647977Shsul@eecs.umich.edu 5658013Sbinkertn@umich.edu rpb->rpb_percpu_off = (ulong)rpb_percpu - (ulong)rpb; 5667977Shsul@eecs.umich.edu 5678013Sbinkertn@umich.edu for (i = 0; i < m5Conf.numCPUs; i++) { 5688013Sbinkertn@umich.edu struct rpb_percpu *thisCPU = (struct rpb_percpu*) 5698013Sbinkertn@umich.edu ((ulong)rpb_percpu + percpu_size * i); 5707977Shsul@eecs.umich.edu 5718013Sbinkertn@umich.edu bzero((char *)thisCPU, percpu_size); 5728013Sbinkertn@umich.edu bcopy((char *)&m5_rpb_percpu, (char *)thisCPU, 5738013Sbinkertn@umich.edu sizeof(struct rpb_percpu)); 5747977Shsul@eecs.umich.edu 5758018Smserrano@umich.edu thisCPU->rpb_pcb.rpb_ksp = (KSTACK_REGION_VA + 2*PAGE_SIZE - (ksp_top - ksp)); 5768013Sbinkertn@umich.edu thisCPU->rpb_pcb.rpb_ptbr = PFN(first); 5777977Shsul@eecs.umich.edu 5788013Sbinkertn@umich.edu thisCPU->rpb_logout = KSEG_TO_PHYS(percpu_logout); 5798013Sbinkertn@umich.edu thisCPU->rpb_logout_len = PAGE_SIZE; 5807977Shsul@eecs.umich.edu 5818013Sbinkertn@umich.edu printf_lock("KSP: 0x%x PTBR 0x%x\n", 5828013Sbinkertn@umich.edu thisCPU->rpb_pcb.rpb_ksp, thisCPU->rpb_pcb.rpb_ptbr); 5838013Sbinkertn@umich.edu } 5847977Shsul@eecs.umich.edu 5858013Sbinkertn@umich.edu nextPtr = (ulong)rpb_percpu + percpu_size * m5Conf.numCPUs; 5867977Shsul@eecs.umich.edu 5878013Sbinkertn@umich.edu /* 5888013Sbinkertn@umich.edu * Console Terminal Block 5898013Sbinkertn@umich.edu */ 5908013Sbinkertn@umich.edu rpb_ctb = (struct rpb_ctb *) nextPtr; 5918013Sbinkertn@umich.edu ctb_tt = (struct ctb_tt*) rpb_ctb; 5927977Shsul@eecs.umich.edu 5938013Sbinkertn@umich.edu rpb->rpb_ctb_off = ((ulong)rpb_ctb) - (ulong)rpb; 5948013Sbinkertn@umich.edu rpb->rpb_ctb_size = sizeof(struct rpb_ctb); 5957977Shsul@eecs.umich.edu 5968013Sbinkertn@umich.edu bzero((char *)rpb_ctb, sizeof(struct ctb_tt)); 5977977Shsul@eecs.umich.edu 5988022Sbinkertn@umich.edu rpb_ctb->rpb_type = CONS_DZ; 5998013Sbinkertn@umich.edu rpb_ctb->rpb_length = sizeof(ctb_tt) - sizeof(rpb_ctb); 6007977Shsul@eecs.umich.edu 6018013Sbinkertn@umich.edu /* 6028013Sbinkertn@umich.edu * uart initizliation 6038013Sbinkertn@umich.edu */ 6048019Sbenash@umich.edu ctb_tt->ctb_tintr_vec = 0x6c0; /* matches tlaser pal code */ 6058019Sbenash@umich.edu ctb_tt->ctb_rintr_vec = 0x680; /* matches tlaser pal code */ 6068019Sbenash@umich.edu ctb_tt->ctb_term_type = CTB_GRAPHICS; 6077977Shsul@eecs.umich.edu 6088013Sbinkertn@umich.edu rpb_crb = (struct rpb_crb *) (((ulong)rpb_ctb) + sizeof(struct ctb_tt)); 6098013Sbinkertn@umich.edu rpb->rpb_crb_off = ((ulong)rpb_crb) - (ulong)rpb; 6107977Shsul@eecs.umich.edu 6118013Sbinkertn@umich.edu bzero((char *)rpb_crb, sizeof(struct rpb_crb)); 6127977Shsul@eecs.umich.edu 6138013Sbinkertn@umich.edu /* 6148013Sbinkertn@umich.edu * console callback stuff (m5) 6158013Sbinkertn@umich.edu */ 6168013Sbinkertn@umich.edu rpb_crb->rpb_num = 1; 6178013Sbinkertn@umich.edu rpb_crb->rpb_mapped_pages = HWRPB_PAGES; 6188013Sbinkertn@umich.edu rpb_crb->rpb_map[0].rpb_virt = 0x10000000; 6198013Sbinkertn@umich.edu rpb_crb->rpb_map[0].rpb_phys = KSEG_TO_PHYS(((ulong)rpb) & ~0x1fff); 6208013Sbinkertn@umich.edu rpb_crb->rpb_map[0].rpb_pgcount = HWRPB_PAGES; 6217977Shsul@eecs.umich.edu 6228013Sbinkertn@umich.edu printf_lock("Console Callback at 0x%x, fixup at 0x%x, crb offset: 0x%x\n", 6238013Sbinkertn@umich.edu rpb_crb->rpb_va_disp, rpb_crb->rpb_va_fixup, rpb->rpb_crb_off); 6247977Shsul@eecs.umich.edu 6258013Sbinkertn@umich.edu rpb_mdt = (struct _m5_rpb_mdt *)((ulong)rpb_crb + sizeof(struct rpb_crb)); 6268013Sbinkertn@umich.edu rpb->rpb_mdt_off = (ulong)rpb_mdt - (ulong)rpb; 6278013Sbinkertn@umich.edu bcopy((char *)&m5_rpb_mdt, (char *)rpb_mdt, sizeof(struct _m5_rpb_mdt)); 6287977Shsul@eecs.umich.edu 6297977Shsul@eecs.umich.edu 6308013Sbinkertn@umich.edu cl = 0; 6318013Sbinkertn@umich.edu rpb_mdt->rpb_cluster[cl].rpb_pfncount = kern_first_page; 6328013Sbinkertn@umich.edu cl++; 6337977Shsul@eecs.umich.edu 6348013Sbinkertn@umich.edu rpb_mdt->rpb_cluster[cl].rpb_pfn = kern_first_page; 6358013Sbinkertn@umich.edu rpb_mdt->rpb_cluster[cl].rpb_pfncount = mem_pages - kern_first_page; 6368013Sbinkertn@umich.edu rpb_mdt->rpb_cluster[cl].rpb_pfntested = 6378013Sbinkertn@umich.edu rpb_mdt->rpb_cluster[cl].rpb_pfncount; 6388013Sbinkertn@umich.edu rpb_mdt->rpb_cluster[cl].rpb_pa = KSEG_TO_PHYS(mdt_bitmap); 6398013Sbinkertn@umich.edu rpb_mdt->rpb_cluster[cl].rpb_va = 0x10000000 + HWRPB_PAGES * PAGE_SIZE; 6408013Sbinkertn@umich.edu cl++; 6417977Shsul@eecs.umich.edu 6428013Sbinkertn@umich.edu rpb_mdt->rpb_numcl = cl; 6437977Shsul@eecs.umich.edu 6448013Sbinkertn@umich.edu for (i = 0; i < cl; i++) 6458013Sbinkertn@umich.edu printf_lock("Memory cluster %d [%d - %d]\n", i, 6468013Sbinkertn@umich.edu rpb_mdt->rpb_cluster[i].rpb_pfn, 6478013Sbinkertn@umich.edu rpb_mdt->rpb_cluster[i].rpb_pfncount); 6487977Shsul@eecs.umich.edu 6498013Sbinkertn@umich.edu /* Checksum the rpb for good luck */ 6508013Sbinkertn@umich.edu sum = 0; 6518013Sbinkertn@umich.edu lp1 = (long *)&rpb_mdt->rpb_impaddr; 6528013Sbinkertn@umich.edu lp2 = (long *)&rpb_mdt->rpb_cluster[cl]; 6538013Sbinkertn@umich.edu while (lp1 < lp2) sum += *lp1++; 6548013Sbinkertn@umich.edu rpb_mdt->rpb_checksum = sum; 6557977Shsul@eecs.umich.edu 6568013Sbinkertn@umich.edu /* XXX should checksum the cluster descriptors */ 6578028Sblakeg@umich.edu bzero((char *)mdt_bitmap, mdt_bitmap_pages * PAGE_SIZE); 6588013Sbinkertn@umich.edu for (i = 0; i < mem_pages/8; i++) 6598013Sbinkertn@umich.edu ((unsigned char *)mdt_bitmap)[i] = 0xff; 6607977Shsul@eecs.umich.edu 6618013Sbinkertn@umich.edu printf_lock("Initalizing mdt_bitmap addr 0x%x mem_pages %x \n", 6628013Sbinkertn@umich.edu (long)mdt_bitmap,(long)mem_pages); 6637977Shsul@eecs.umich.edu 6648013Sbinkertn@umich.edu m5_rpb.rpb_config_off = 0; 6658013Sbinkertn@umich.edu m5_rpb.rpb_fru_off = 0; 6667977Shsul@eecs.umich.edu 6678013Sbinkertn@umich.edu rpb_dsr = (struct rpb_dsr *)((ulong)rpb_mdt + sizeof(struct _m5_rpb_mdt)); 6688013Sbinkertn@umich.edu rpb->rpb_dsr_off = (ulong)rpb_dsr - (ulong)rpb; 6698013Sbinkertn@umich.edu bzero((char *)rpb_dsr, sizeof(struct rpb_dsr)); 6708013Sbinkertn@umich.edu rpb_dsr->rpb_smm = 1578; /* Official XXM SMM number as per SRM */ 6718013Sbinkertn@umich.edu rpb_dsr->rpb_smm = 1089; /* Official Alcor SMM number as per SRM */ 6727977Shsul@eecs.umich.edu 6738013Sbinkertn@umich.edu rpb_lurt = (int *) ROUNDUP8((ulong)rpb_dsr + sizeof(struct rpb_dsr)); 6748013Sbinkertn@umich.edu rpb_dsr->rpb_lurt_off = ((ulong) rpb_lurt) - (ulong) rpb_dsr; 6758013Sbinkertn@umich.edu bcopy((char *)m5_lurt, (char *)rpb_lurt, sizeof(m5_lurt)); 6767977Shsul@eecs.umich.edu 6778013Sbinkertn@umich.edu rpb_name = (char *) ROUNDUP8(((ulong)rpb_lurt) + sizeof(m5_lurt)); 6788013Sbinkertn@umich.edu rpb_dsr->rpb_sysname_off = ((ulong) rpb_name) - (ulong) rpb_dsr; 6798013Sbinkertn@umich.edu#define THENAME " M5/Alpha " 6808013Sbinkertn@umich.edu sum = sizeof(THENAME); 6818013Sbinkertn@umich.edu bcopy(THENAME, rpb_name, sum); 6828013Sbinkertn@umich.edu *(ulong *)rpb_name = sizeof(THENAME); /* put in length field */ 6837977Shsul@eecs.umich.edu 6848013Sbinkertn@umich.edu /* calculate size of rpb */ 6858013Sbinkertn@umich.edu rpb->rpb_size = ((ulong) &rpb_name[sum]) - (ulong)rpb; 6867977Shsul@eecs.umich.edu 6878013Sbinkertn@umich.edu if (rpb->rpb_size > PAGE_SIZE * HWRPB_PAGES) { 6888013Sbinkertn@umich.edu panic("HWRPB_PAGES=%d too small for HWRPB !!! \n"); 6898013Sbinkertn@umich.edu } 6907977Shsul@eecs.umich.edu 6918013Sbinkertn@umich.edu ulong *rpbptr = (ulong*)((char*)rpb_dsr + sizeof(struct rpb_dsr)); 6928013Sbinkertn@umich.edu rpb_crb->rpb_pa_disp = KSEG_TO_PHYS(rpbptr); 6938013Sbinkertn@umich.edu rpb_crb->rpb_va_disp = 0x10000000 + 6948013Sbinkertn@umich.edu (((ulong)rpbptr - (ulong)rpb) & (0x2000 * HWRPB_PAGES - 1)); 6958013Sbinkertn@umich.edu printf_lock("ConsoleDispatch at virt %x phys %x val %x\n", 6968013Sbinkertn@umich.edu rpb_crb->rpb_va_disp, rpb_crb->rpb_pa_disp, consoleCallback); 6978013Sbinkertn@umich.edu *rpbptr++ = 0; 6988013Sbinkertn@umich.edu *rpbptr++ = (ulong) consoleCallback; 6998013Sbinkertn@umich.edu rpb_crb->rpb_pa_fixup = KSEG_TO_PHYS(rpbptr); 7008013Sbinkertn@umich.edu rpb_crb->rpb_va_fixup = 0x10000000 + 7018013Sbinkertn@umich.edu (((ulong)rpbptr - (ulong)rpb) & (0x2000 * HWRPB_PAGES - 1)); 7028013Sbinkertn@umich.edu *rpbptr++ = 0; 7037977Shsul@eecs.umich.edu 7048013Sbinkertn@umich.edu *rpbptr++ = (ulong) consoleFixup; 7057977Shsul@eecs.umich.edu 7068013Sbinkertn@umich.edu /* Checksum the rpb for good luck */ 7078013Sbinkertn@umich.edu sum = 0; 7088013Sbinkertn@umich.edu lp1 = (long *)rpb; 7098013Sbinkertn@umich.edu lp2 = &rpb->rpb_checksum; 7108013Sbinkertn@umich.edu while (lp1 < lp2) 7118013Sbinkertn@umich.edu sum += *lp1++; 7128013Sbinkertn@umich.edu *lp2 = sum; 7137977Shsul@eecs.umich.edu 7147977Shsul@eecs.umich.edu /* 7157977Shsul@eecs.umich.edu * MP bootstrap 7167977Shsul@eecs.umich.edu */ 7178013Sbinkertn@umich.edu for (i = 1; i < m5Conf.numCPUs; i++) { 7188016Sbinkertn@umich.edu ulong stack = (ulong)unix_boot_alloc(1); 7198016Sbinkertn@umich.edu printf_lock("Bootstraping CPU %d with sp=0x%x\n", i, stack); 7208023Ssaidi@eecs.umich.edu m5AlphaAccess->cpuStack[i] = stack; 7218013Sbinkertn@umich.edu } 7227977Shsul@eecs.umich.edu 7238013Sbinkertn@umich.edu /* 7248013Sbinkertn@umich.edu * Make sure that we are not stepping on the kernel 7258013Sbinkertn@umich.edu */ 7268013Sbinkertn@umich.edu if ((ulong)unix_boot_mem >= (ulong)m5Conf.kernStart) { 7278013Sbinkertn@umich.edu panic("CONSOLE: too much memory. Smashing kernel\n"); 7288013Sbinkertn@umich.edu } else { 7298013Sbinkertn@umich.edu printf_lock("unix_boot_mem ends at %x \n", unix_boot_mem); 7308013Sbinkertn@umich.edu } 7317977Shsul@eecs.umich.edu 7328016Sbinkertn@umich.edu JToKern((char *)bootadr, (ulong)rpb_percpu, free_pfn, kargc, kargv, NULL); 7337977Shsul@eecs.umich.edu} 7347977Shsul@eecs.umich.edu 7357977Shsul@eecs.umich.edu 7368013Sbinkertn@umich.eduvoid 7378013Sbinkertn@umich.eduJToKern(char *bootadr, ulong rpb_percpu, ulong free_pfn, ulong k_argc, 7388013Sbinkertn@umich.edu char **k_argv, char **envp) 7397977Shsul@eecs.umich.edu{ 7408013Sbinkertn@umich.edu extern ulong palJToKern[]; 7417977Shsul@eecs.umich.edu 7428013Sbinkertn@umich.edu struct _kernel_params *kernel_params = (struct _kernel_params *) KSEG; 7438013Sbinkertn@umich.edu int i; 7447977Shsul@eecs.umich.edu 7458013Sbinkertn@umich.edu printf_lock("k_argc = %d ", k_argc); 7468013Sbinkertn@umich.edu for (i = 0; i < k_argc; i++) { 7478013Sbinkertn@umich.edu printf_lock("'%s' ", k_argv[i]); 7488013Sbinkertn@umich.edu } 7498013Sbinkertn@umich.edu printf_lock("\n"); 7507977Shsul@eecs.umich.edu 7518013Sbinkertn@umich.edu kernel_params->bootadr = bootadr; 7528013Sbinkertn@umich.edu kernel_params->rpb_percpu = KSEG_TO_PHYS(rpb_percpu); 7538013Sbinkertn@umich.edu kernel_params->free_pfn = free_pfn; 7548013Sbinkertn@umich.edu kernel_params->argc = k_argc; 7558013Sbinkertn@umich.edu kernel_params->argv = (ulong)k_argv; 7568013Sbinkertn@umich.edu kernel_params->envp = (ulong)envp; 7578013Sbinkertn@umich.edu printf_lock("jumping to kernel at 0x%x, (PCBB 0x%x pfn %d)\n", 7588013Sbinkertn@umich.edu bootadr, rpb_percpu, free_pfn); 7598013Sbinkertn@umich.edu JToPal(KSEG_TO_PHYS(palJToKern)); 7608013Sbinkertn@umich.edu printf_lock("returned from JToPal. Looping\n"); 7618013Sbinkertn@umich.edu while (1) 7628013Sbinkertn@umich.edu continue; 7637977Shsul@eecs.umich.edu} 7647977Shsul@eecs.umich.edu 7658013Sbinkertn@umich.eduvoid 7668013Sbinkertn@umich.eduJToPal(ulong bootadr) 7678013Sbinkertn@umich.edu{ 7688013Sbinkertn@umich.edu cServe(bootadr, 0, CSERVE_K_JTOPAL); 7697977Shsul@eecs.umich.edu 7708013Sbinkertn@umich.edu /* 7718013Sbinkertn@umich.edu * Make sure that floating point is enabled incase 7728013Sbinkertn@umich.edu * it was disabled by the user program. 7738013Sbinkertn@umich.edu */ 7748013Sbinkertn@umich.edu wrfen(1); 7758013Sbinkertn@umich.edu} 7768013Sbinkertn@umich.edu 7778013Sbinkertn@umich.eduint 7788013Sbinkertn@umich.edustrcpy(char *dst, char *src) 7797977Shsul@eecs.umich.edu{ 7808013Sbinkertn@umich.edu int i = 0; 7818013Sbinkertn@umich.edu while (*src) { 7828013Sbinkertn@umich.edu *dst++ = *src++; 7838013Sbinkertn@umich.edu i++; 7848013Sbinkertn@umich.edu } 7858013Sbinkertn@umich.edu return i; 7868013Sbinkertn@umich.edu} 7877977Shsul@eecs.umich.edu 7887977Shsul@eecs.umich.edu/* 7898013Sbinkertn@umich.edu * Console I/O 7908013Sbinkertn@umich.edu * 7917977Shsul@eecs.umich.edu */ 7927977Shsul@eecs.umich.edu 7937977Shsul@eecs.umich.eduint numOpenDevices = 11; 7947977Shsul@eecs.umich.edustruct { 7958013Sbinkertn@umich.edu char name[128]; 7967977Shsul@eecs.umich.edu} deviceState[32]; 7977977Shsul@eecs.umich.edu 7987978Sbinkertn@umich.edu#define BOOTDEVICE_NAME "SCSI 1 0 0 1 100 0" 7997977Shsul@eecs.umich.edu 8007978Sbinkertn@umich.eduvoid 8017978Sbinkertn@umich.eduDeviceOperation(long op, long channel, long count, long address, long block) 8027977Shsul@eecs.umich.edu{ 8038013Sbinkertn@umich.edu long pAddr; 8047977Shsul@eecs.umich.edu 8058013Sbinkertn@umich.edu if (strcmp(deviceState[channel].name, BOOTDEVICE_NAME )) { 8068013Sbinkertn@umich.edu panic("DeviceRead: only implemented for root disk \n"); 8078013Sbinkertn@umich.edu } 8088013Sbinkertn@umich.edu pAddr = KSEG_TO_PHYS(address); 8098013Sbinkertn@umich.edu if (pAddr + count > m5Conf.mem_size) { 8108013Sbinkertn@umich.edu panic("DeviceRead: request out of range \n"); 8118013Sbinkertn@umich.edu } 8127977Shsul@eecs.umich.edu 8138015Sbinkertn@umich.edu m5AlphaAccess->diskCount = count; 8148015Sbinkertn@umich.edu m5AlphaAccess->diskPAddr = pAddr; 8158015Sbinkertn@umich.edu m5AlphaAccess->diskBlock = block; 8168015Sbinkertn@umich.edu m5AlphaAccess->diskOperation = op; /* launch */ 8177977Shsul@eecs.umich.edu} 8187977Shsul@eecs.umich.edu 8198013Sbinkertn@umich.edu/* 8208013Sbinkertn@umich.edu * M5 Console callbacks 8218013Sbinkertn@umich.edu * 8228013Sbinkertn@umich.edu */ 8237977Shsul@eecs.umich.edu 8247977Shsul@eecs.umich.edu/* AXP manual 2-31 */ 8257977Shsul@eecs.umich.edu#define CONSCB_GETC 0x1 8267977Shsul@eecs.umich.edu#define CONSCB_PUTS 0x2 8277977Shsul@eecs.umich.edu#define CONSCB_RESET_TERM 0x3 8287977Shsul@eecs.umich.edu#define CONSCB_SET_TERM_INT 0x4 8297977Shsul@eecs.umich.edu#define CONSCB_SET_TERM_CTL 0x5 8307977Shsul@eecs.umich.edu#define CONSCB_PROCESS_KEY 0x6 8317982Ssaidi@eecs.umich.edu#define CONSCB_OPEN_CONSOLE 0x7 8327982Ssaidi@eecs.umich.edu#define CONSCB_CLOSE_CONSOLE 0x8 8337977Shsul@eecs.umich.edu 8347977Shsul@eecs.umich.edu#define CONSCB_OPEN 0x10 8357977Shsul@eecs.umich.edu#define CONSCB_CLOSE 0x11 8367977Shsul@eecs.umich.edu#define CONSCB_READ 0x13 8377977Shsul@eecs.umich.edu 8387977Shsul@eecs.umich.edu#define CONSCB_GETENV 0x22 8397977Shsul@eecs.umich.edu 8407977Shsul@eecs.umich.edu/* AXP manual 2-26 */ 8417978Sbinkertn@umich.edu#define ENV_AUTO_ACTION 0X01 8427978Sbinkertn@umich.edu#define ENV_BOOT_DEV 0X02 8437978Sbinkertn@umich.edu#define ENV_BOOTDEF_DEV 0X03 8447978Sbinkertn@umich.edu#define ENV_BOOTED_DEV 0X04 8457978Sbinkertn@umich.edu#define ENV_BOOT_FILE 0X05 8467978Sbinkertn@umich.edu#define ENV_BOOTED_FILE 0X06 8477978Sbinkertn@umich.edu#define ENV_BOOT_OSFLAGS 0X07 8487978Sbinkertn@umich.edu#define ENV_BOOTED_OSFLAGS 0X08 8497978Sbinkertn@umich.edu#define ENV_BOOT_RESET 0X09 8507978Sbinkertn@umich.edu#define ENV_DUMP_DEV 0X0A 8517978Sbinkertn@umich.edu#define ENV_ENABLE_AUDIT 0X0B 8527978Sbinkertn@umich.edu#define ENV_LICENSE 0X0C 8537978Sbinkertn@umich.edu#define ENV_CHAR_SET 0X0D 8547978Sbinkertn@umich.edu#define ENV_LANGUAGE 0X0E 8557978Sbinkertn@umich.edu#define ENV_TTY_DEV 0X0F 8567978Sbinkertn@umich.edu#define ENV_SCSIID 0X42 8577978Sbinkertn@umich.edu#define ENV_SCSIFAST 0X43 8587978Sbinkertn@umich.edu#define ENV_COM1_BAUD 0X44 8597978Sbinkertn@umich.edu#define ENV_COM1_MODEM 0X45 8607978Sbinkertn@umich.edu#define ENV_COM1_FLOW 0X46 8617978Sbinkertn@umich.edu#define ENV_COM1_MISC 0X47 8627978Sbinkertn@umich.edu#define ENV_COM2_BAUD 0X48 8637978Sbinkertn@umich.edu#define ENV_COM2_MODEM 0X49 8647978Sbinkertn@umich.edu#define ENV_COM2_FLOW 0X4A 8657978Sbinkertn@umich.edu#define ENV_COM2_MISC 0X4B 8667978Sbinkertn@umich.edu#define ENV_PASSWORD 0X4C 8677978Sbinkertn@umich.edu#define ENV_SECURE 0X4D 8687978Sbinkertn@umich.edu#define ENV_LOGFAIL 0X4E 8697978Sbinkertn@umich.edu#define ENV_SRM2DEV_ID 0X4F 8707977Shsul@eecs.umich.edu 8717978Sbinkertn@umich.edu#define MAX_ENVLEN 32 8727977Shsul@eecs.umich.edu 8738013Sbinkertn@umich.educhar env_auto_action[MAX_ENVLEN] = "BOOT"; 8748013Sbinkertn@umich.educhar env_boot_dev[MAX_ENVLEN] = ""; 8758013Sbinkertn@umich.educhar env_bootdef_dev[MAX_ENVLEN] = ""; 8768013Sbinkertn@umich.educhar env_booted_dev[MAX_ENVLEN] = BOOTDEVICE_NAME; 8778013Sbinkertn@umich.educhar env_boot_file[MAX_ENVLEN] = ""; 8788013Sbinkertn@umich.educhar env_booted_file[MAX_ENVLEN] = ""; 8798013Sbinkertn@umich.educhar env_boot_osflags[MAX_ENVLEN] = ""; 8808013Sbinkertn@umich.educhar env_booted_osflags[MAX_ENVLEN] = ""; 8818013Sbinkertn@umich.educhar env_boot_reset[MAX_ENVLEN] = ""; 8828013Sbinkertn@umich.educhar env_dump_dev[MAX_ENVLEN] = ""; 8838013Sbinkertn@umich.educhar env_enable_audit[MAX_ENVLEN] = ""; 8848013Sbinkertn@umich.educhar env_license[MAX_ENVLEN] = ""; 8858013Sbinkertn@umich.educhar env_char_set[MAX_ENVLEN] = ""; 8868013Sbinkertn@umich.educhar env_language[MAX_ENVLEN] = ""; 8878013Sbinkertn@umich.educhar env_tty_dev[MAX_ENVLEN] = "0"; 8888013Sbinkertn@umich.educhar env_scsiid[MAX_ENVLEN] = ""; 8898013Sbinkertn@umich.educhar env_scsifast[MAX_ENVLEN] = ""; 8908013Sbinkertn@umich.educhar env_com1_baud[MAX_ENVLEN] = ""; 8918013Sbinkertn@umich.educhar env_com1_modem[MAX_ENVLEN] = ""; 8928013Sbinkertn@umich.educhar env_com1_flow[MAX_ENVLEN] = ""; 8938013Sbinkertn@umich.educhar env_com1_misc[MAX_ENVLEN] = ""; 8948013Sbinkertn@umich.educhar env_com2_baud[MAX_ENVLEN] = ""; 8958013Sbinkertn@umich.educhar env_com2_modem[MAX_ENVLEN] = ""; 8968013Sbinkertn@umich.educhar env_com2_flow[MAX_ENVLEN] = ""; 8978013Sbinkertn@umich.educhar env_com2_misc[MAX_ENVLEN] = ""; 8988013Sbinkertn@umich.educhar env_password[MAX_ENVLEN] = ""; 8998013Sbinkertn@umich.educhar env_secure[MAX_ENVLEN] = ""; 9008013Sbinkertn@umich.educhar env_logfail[MAX_ENVLEN] = ""; 9018013Sbinkertn@umich.educhar env_srm2dev_id[MAX_ENVLEN] = ""; 9027979Sbinkertn@umich.edu 9037979Sbinkertn@umich.edu#define MAX_ENV_INDEX 100 9048013Sbinkertn@umich.educhar *envptr[MAX_ENV_INDEX] = { 9057979Sbinkertn@umich.edu 0, /* 0x00 */ 9067979Sbinkertn@umich.edu env_auto_action, /* 0x01 */ 9077979Sbinkertn@umich.edu env_boot_dev, /* 0x02 */ 9087979Sbinkertn@umich.edu env_bootdef_dev, /* 0x03 */ 9097979Sbinkertn@umich.edu env_booted_dev, /* 0x04 */ 9107979Sbinkertn@umich.edu env_boot_file, /* 0x05 */ 9117979Sbinkertn@umich.edu env_booted_file, /* 0x06 */ 9127979Sbinkertn@umich.edu env_boot_osflags, /* 0x07 */ 9137979Sbinkertn@umich.edu env_booted_osflags, /* 0x08 */ 9147979Sbinkertn@umich.edu env_boot_reset, /* 0x09 */ 9157979Sbinkertn@umich.edu env_dump_dev, /* 0x0A */ 9167979Sbinkertn@umich.edu env_enable_audit, /* 0x0B */ 9177979Sbinkertn@umich.edu env_license, /* 0x0C */ 9187979Sbinkertn@umich.edu env_char_set, /* 0x0D */ 9197979Sbinkertn@umich.edu (char *)&env_language, /* 0x0E */ 9207979Sbinkertn@umich.edu env_tty_dev, /* 0x0F */ 9217979Sbinkertn@umich.edu 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, /* 0x10 - 0x1F */ 9227979Sbinkertn@umich.edu 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, /* 0x20 - 0x2F */ 9237979Sbinkertn@umich.edu 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, /* 0x30 - 0x3F */ 9247979Sbinkertn@umich.edu 0, /* 0x40 */ 9257979Sbinkertn@umich.edu 0, /* 0x41 */ 9267979Sbinkertn@umich.edu env_scsiid, /* 0x42 */ 9277979Sbinkertn@umich.edu env_scsifast, /* 0x43 */ 9287979Sbinkertn@umich.edu env_com1_baud, /* 0x44 */ 9297979Sbinkertn@umich.edu env_com1_modem, /* 0x45 */ 9307979Sbinkertn@umich.edu env_com1_flow, /* 0x46 */ 9317979Sbinkertn@umich.edu env_com1_misc, /* 0x47 */ 9327979Sbinkertn@umich.edu env_com2_baud, /* 0x48 */ 9337979Sbinkertn@umich.edu env_com2_modem, /* 0x49 */ 9347979Sbinkertn@umich.edu env_com2_flow, /* 0x4A */ 9357979Sbinkertn@umich.edu env_com2_misc, /* 0x4B */ 9367979Sbinkertn@umich.edu env_password, /* 0x4C */ 9377979Sbinkertn@umich.edu env_secure, /* 0x4D */ 9387979Sbinkertn@umich.edu env_logfail, /* 0x4E */ 9397979Sbinkertn@umich.edu env_srm2dev_id, /* 0x4F */ 9407979Sbinkertn@umich.edu 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, /* 0x50 - 0x5F */ 9417979Sbinkertn@umich.edu 0, /* 0x60 */ 9427979Sbinkertn@umich.edu 0, /* 0x61 */ 9437979Sbinkertn@umich.edu 0, /* 0x62 */ 9447979Sbinkertn@umich.edu 0, /* 0x63 */ 9457979Sbinkertn@umich.edu}; 9467978Sbinkertn@umich.edu 9477978Sbinkertn@umich.edulong 9487978Sbinkertn@umich.eduCallBackDispatcher(long a0, long a1, long a2, long a3, long a4) 9497977Shsul@eecs.umich.edu{ 9508013Sbinkertn@umich.edu long i; 9518013Sbinkertn@umich.edu switch (a0) { 9528013Sbinkertn@umich.edu case CONSCB_GETC: 9538013Sbinkertn@umich.edu return GetChar(); 9547978Sbinkertn@umich.edu 9558013Sbinkertn@umich.edu case CONSCB_PUTS: 9568013Sbinkertn@umich.edu for (i = 0; i < a3; i++) 9578013Sbinkertn@umich.edu PutChar(*((char *)a2 + i)); 9588013Sbinkertn@umich.edu return a3; 9597978Sbinkertn@umich.edu 9608013Sbinkertn@umich.edu case CONSCB_GETENV: 9618013Sbinkertn@umich.edu if (a1 >= 0 && a1 < MAX_ENV_INDEX && envptr[a1] != 0 && *envptr[a1]) { 9628013Sbinkertn@umich.edu i = strcpy((char*)a2, envptr[a1]); 9638013Sbinkertn@umich.edu } else { 9648013Sbinkertn@umich.edu strcpy((char*)a2, ""); 9658013Sbinkertn@umich.edu i = (long)0xc000000000000000; 9668013Sbinkertn@umich.edu if (a1 >= 0 && a1 < MAX_ENV_INDEX) 9678013Sbinkertn@umich.edu printf_lock("GETENV unsupported option %d (0x%x)\n", a1, a1); 9688013Sbinkertn@umich.edu else 9698013Sbinkertn@umich.edu printf_lock("GETENV unsupported option %s\n", a1); 9708013Sbinkertn@umich.edu } 9717978Sbinkertn@umich.edu 9728013Sbinkertn@umich.edu if (i > a3) 9738013Sbinkertn@umich.edu panic("CONSCB_GETENV overwrote buffer\n"); 9748013Sbinkertn@umich.edu return i; 9757978Sbinkertn@umich.edu 9768013Sbinkertn@umich.edu case CONSCB_OPEN: 9778013Sbinkertn@umich.edu bcopy((char*)a1, deviceState[numOpenDevices].name, a2); 9788013Sbinkertn@umich.edu deviceState[numOpenDevices].name[a2] = '\0'; 9798013Sbinkertn@umich.edu printf_lock("CONSOLE OPEN : %s --> success \n", 9808013Sbinkertn@umich.edu deviceState[numOpenDevices].name); 9818013Sbinkertn@umich.edu return numOpenDevices++; 9827977Shsul@eecs.umich.edu 9838013Sbinkertn@umich.edu case CONSCB_READ: 9848013Sbinkertn@umich.edu DeviceOperation(a0, a1, a2, a3, a4); 9858013Sbinkertn@umich.edu break; 9867979Sbinkertn@umich.edu 9878013Sbinkertn@umich.edu case CONSCB_CLOSE: 9888013Sbinkertn@umich.edu break; 9897979Sbinkertn@umich.edu 9908013Sbinkertn@umich.edu case CONSCB_OPEN_CONSOLE: 9918013Sbinkertn@umich.edu printf_lock("CONSOLE OPEN\n"); 9928013Sbinkertn@umich.edu return 0; /* success */ 9938013Sbinkertn@umich.edu break; /* not reached */ 9947979Sbinkertn@umich.edu 9958013Sbinkertn@umich.edu case CONSCB_CLOSE_CONSOLE: 9968013Sbinkertn@umich.edu printf_lock("CONSOLE CLOSE\n"); 9978013Sbinkertn@umich.edu return 0; /* success */ 9988013Sbinkertn@umich.edu break; /* not reached */ 9998013Sbinkertn@umich.edu 10008013Sbinkertn@umich.edu default: 10018013Sbinkertn@umich.edu panic("CallBackDispatcher(%x,%x,%x,%x,%x)\n", a0, a1, a2, a3, a4); 10028013Sbinkertn@umich.edu } 10038013Sbinkertn@umich.edu 10048013Sbinkertn@umich.edu return 0; 10057977Shsul@eecs.umich.edu} 10067977Shsul@eecs.umich.edu 10078013Sbinkertn@umich.edulong 10088013Sbinkertn@umich.eduCallBackFixup(int a0, int a1, int a2) 10097977Shsul@eecs.umich.edu{ 10108013Sbinkertn@umich.edu long temp; 10118013Sbinkertn@umich.edu /* 10128013Sbinkertn@umich.edu * Linux uses r8 for the current pointer (pointer to data 10138013Sbinkertn@umich.edu * structure contating info about currently running process). It 10148013Sbinkertn@umich.edu * is set when the kernel starts and is expected to remain 10158013Sbinkertn@umich.edu * there... Problem is that the unlike the kernel, the console 10168013Sbinkertn@umich.edu * does not prevent the assembler from using r8. So here is a work 10178013Sbinkertn@umich.edu * around. So far this has only been a problem in CallBackFixup() 10188013Sbinkertn@umich.edu * but any other call back functions couldd cause a problem at 10198013Sbinkertn@umich.edu * some point 10208013Sbinkertn@umich.edu */ 10217985Ssaidi@eecs.umich.edu 10228013Sbinkertn@umich.edu /* save off the current pointer to a temp variable */ 10238013Sbinkertn@umich.edu asm("bis $8, $31, %0" : "=r" (temp)); 10247985Ssaidi@eecs.umich.edu 10258013Sbinkertn@umich.edu /* call original code */ 10268013Sbinkertn@umich.edu printf_lock("CallbackFixup %x %x, t7=%x\n", a0, a1, temp); 10277985Ssaidi@eecs.umich.edu 10288013Sbinkertn@umich.edu /* restore the current pointer */ 10298013Sbinkertn@umich.edu asm("bis %0, $31, $8" : : "r" (temp) : "$8"); 10307977Shsul@eecs.umich.edu 10318013Sbinkertn@umich.edu return 0; 10327977Shsul@eecs.umich.edu} 10337977Shsul@eecs.umich.edu 10348013Sbinkertn@umich.eduvoid 10358013Sbinkertn@umich.eduSlaveCmd(int cpu, struct rpb_percpu *my_rpb) 10368013Sbinkertn@umich.edu{ 10378013Sbinkertn@umich.edu extern ulong palJToSlave[]; 10387977Shsul@eecs.umich.edu 10398013Sbinkertn@umich.edu printf_lock("Slave CPU %d console command %s", cpu, 10408013Sbinkertn@umich.edu my_rpb->rpb_iccb.iccb_rxbuf); 10417977Shsul@eecs.umich.edu 10428013Sbinkertn@umich.edu my_rpb->rpb_state |= STATE_BIP; 10438013Sbinkertn@umich.edu my_rpb->rpb_state &= ~STATE_RC; 10447977Shsul@eecs.umich.edu 10458013Sbinkertn@umich.edu printf_lock("SlaveCmd: restart %x %x vptb %x my_rpb %x my_rpb_phys %x\n", 10468013Sbinkertn@umich.edu rpb->rpb_restart, rpb->rpb_restart_pv, rpb->rpb_vptb, my_rpb, 10478013Sbinkertn@umich.edu KSEG_TO_PHYS(my_rpb)); 10487977Shsul@eecs.umich.edu 10498013Sbinkertn@umich.edu cServe(KSEG_TO_PHYS(palJToSlave), (ulong)rpb->rpb_restart, 10508013Sbinkertn@umich.edu CSERVE_K_JTOPAL, rpb->rpb_restart_pv, rpb->rpb_vptb, 10518013Sbinkertn@umich.edu KSEG_TO_PHYS(my_rpb)); 10527977Shsul@eecs.umich.edu 10538013Sbinkertn@umich.edu panic("SlaveCmd returned \n"); 10547977Shsul@eecs.umich.edu} 10557977Shsul@eecs.umich.edu 10568013Sbinkertn@umich.eduvoid 10578013Sbinkertn@umich.eduSlaveLoop(int cpu) 10587977Shsul@eecs.umich.edu{ 10598013Sbinkertn@umich.edu int size = ROUNDUP128(sizeof(struct rpb_percpu)); 10608013Sbinkertn@umich.edu struct rpb_percpu *my_rpb = (struct rpb_percpu*) 10618013Sbinkertn@umich.edu ((ulong)rpb_percpu + size * cpu); 10627977Shsul@eecs.umich.edu 10638013Sbinkertn@umich.edu if (cpu == 0) { 10648013Sbinkertn@umich.edu panic("CPU�0 entering slaveLoop. Reenetering the console. HOSED\n"); 10658013Sbinkertn@umich.edu } else { 10668013Sbinkertn@umich.edu printf_lock("Entering slaveloop for cpu %d my_rpb=%x\n", cpu, my_rpb); 10678013Sbinkertn@umich.edu } 10688004Ssaidi@eecs.umich.edu 10698013Sbinkertn@umich.edu // swap the processors context to the one in the 10708013Sbinkertn@umich.edu // rpb_percpu struct very carefully (i.e. no stack usage) 10718013Sbinkertn@umich.edu // so that linux knows which processor ends up in __smp_callin 10728013Sbinkertn@umich.edu // and we don't trash any data is the process 10738013Sbinkertn@umich.edu SlaveSpin(cpu, my_rpb, &my_rpb->rpb_iccb.iccb_rxlen); 10747977Shsul@eecs.umich.edu} 1075