//初始化,没什么好说的…… void *baiduapi_init(struct fuse_conn_info *conn) { sem_init(&wcache, 0, MAXCACHE); initcache(); creatpool(THREADS); pthread_t p; pthread_create(&p, NULL, (void * ( *)(void *)) autosync, NULL); char basedir[PATHLEN]; sprintf(basedir,"%s/.baidudisk",getenv("HOME")); mkdir(basedir,S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH); return NULL; }
int main(int argc, char *argv[]) { ino_t ino; int dirty; union dinode *dp; struct fstab *dt; struct statvfs *mntinfo, fsbuf; char *map, *cp; int ch; int i, anydirskipped, bflag = 0, Tflag = 0, Fflag = 0, honorlevel = 1; int snap_internal = 0; ino_t maxino; time_t tnow, date; int dirc; char *mountpoint; int just_estimate = 0; char labelstr[LBLSIZE]; char buf[MAXPATHLEN], rbuf[MAXPATHLEN]; char *new_time_format; char *snap_backup = NULL; spcl.c_date = 0; (void)time(&tnow); spcl.c_date = tnow; tzset(); /* set up timezone for strftime */ if ((new_time_format = getenv("TIMEFORMAT")) != NULL) time_string = new_time_format; tsize = 0; /* Default later, based on 'c' option for cart tapes */ if ((tape = getenv("TAPE")) == NULL) tape = _PATH_DEFTAPE; dumpdates = _PATH_DUMPDATES; temp = _PATH_DTMP; strcpy(labelstr, "none"); /* XXX safe strcpy. */ if (TP_BSIZE / DEV_BSIZE == 0 || TP_BSIZE % DEV_BSIZE != 0) quit("TP_BSIZE must be a multiple of DEV_BSIZE\n"); level = '0'; timestamp = 0; if (argc < 2) usage(); obsolete(&argc, &argv); while ((ch = getopt(argc, argv, "0123456789aB:b:cd:eFf:h:ik:l:L:nr:s:StT:uWwx:X")) != -1) switch (ch) { /* dump level */ case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': level = ch; break; case 'a': /* `auto-size', Write to EOM. */ unlimited = 1; break; case 'B': /* blocks per output file */ blocksperfile = numarg("blocks per file", 1L, 0L); break; case 'b': /* blocks per tape write */ ntrec = numarg("blocks per write", 1L, 1000L); bflag = 1; break; case 'c': /* Tape is cart. not 9-track */ cartridge = 1; break; case 'd': /* density, in bits per inch */ density = numarg("density", 10L, 327670L) / 10; if (density >= 625 && !bflag) ntrec = HIGHDENSITYTREC; break; case 'e': /* eject full tapes */ eflag = 1; break; case 'F': /* files-to-dump is an fs image */ Fflag = 1; break; case 'f': /* output file */ tape = optarg; break; case 'h': honorlevel = numarg("honor level", 0L, 10L); break; case 'i': /* "true incremental" regardless level */ level = 'i'; trueinc = 1; break; case 'k': readblksize = numarg("read block size", 0, 64) * 1024; break; case 'l': /* autoload after eject full tapes */ eflag = 1; lflag = numarg("timeout (in seconds)", 1, 0); break; case 'L': /* * Note that although there are LBLSIZE characters, * the last must be '\0', so the limit on strlen() * is really LBLSIZE-1. */ if (strlcpy(labelstr, optarg, sizeof(labelstr)) >= sizeof(labelstr)) { msg( "WARNING Label `%s' is larger than limit of %lu characters.\n", optarg, (unsigned long)sizeof(labelstr) - 1); msg("WARNING: Using truncated label `%s'.\n", labelstr); } break; case 'n': /* notify operators */ notify = 1; break; case 'r': /* read cache size */ readcache = numarg("read cache size", 0, 512); break; case 's': /* tape size, feet */ tsize = numarg("tape size", 1L, 0L) * 12 * 10; break; case 'S': /* exit after estimating # of tapes */ just_estimate = 1; break; case 't': timestamp = 1; break; case 'T': /* time of last dump */ spcl.c_ddate = unctime(optarg); if (spcl.c_ddate < 0) { (void)fprintf(stderr, "bad time \"%s\"\n", optarg); exit(X_STARTUP); } Tflag = 1; lastlevel = '?'; break; case 'u': /* update /etc/dumpdates */ uflag = 1; break; case 'W': /* what to do */ case 'w': lastdump(ch); exit(X_FINOK); /* do nothing else */ case 'x': snap_backup = optarg; break; case 'X': snap_internal = 1; break; default: usage(); } argc -= optind; argv += optind; if (argc < 1) { (void)fprintf(stderr, "Must specify disk or image, or file list\n"); exit(X_STARTUP); } /* * determine if disk is a subdirectory, and setup appropriately */ getfstab(); /* /etc/fstab snarfed */ disk = NULL; disk_dev = NULL; mountpoint = NULL; dirc = 0; for (i = 0; i < argc; i++) { struct stat sb; int error; error = lstat(argv[i], &sb); if (Fflag || (!error && (S_ISCHR(sb.st_mode) || S_ISBLK(sb.st_mode)))) { if (error) quit("Cannot stat %s: %s\n", argv[i], strerror(errno)); disk = argv[i]; multicheck: if (dirc != 0) quit("Can't dump a disk or image at the same time as a file list\n"); break; } if ((dt = fstabsearch(argv[i])) != NULL) { disk = argv[i]; mountpoint = xstrdup(dt->fs_file); goto multicheck; } if (statvfs(argv[i], &fsbuf) == -1) quit("Cannot statvfs %s: %s\n", argv[i], strerror(errno)); disk = fsbuf.f_mntfromname; if (strcmp(argv[i], fsbuf.f_mntonname) == 0) goto multicheck; if (mountpoint == NULL) { mountpoint = xstrdup(fsbuf.f_mntonname); if (uflag) { msg("Ignoring u flag for subdir dump\n"); uflag = 0; } if (level > '0') { msg("Subdir dump is done at level 0\n"); level = '0'; } msg("Dumping sub files/directories from %s\n", mountpoint); } else { if (strcmp(mountpoint, fsbuf.f_mntonname) != 0) quit("%s is not on %s\n", argv[i], mountpoint); } msg("Dumping file/directory %s\n", argv[i]); dirc++; } if (mountpoint) free(mountpoint); if (dirc == 0) { argv++; if (argc != 1) { (void)fprintf(stderr, "Excess arguments to dump:"); while (--argc) (void)fprintf(stderr, " %s", *argv++); (void)fprintf(stderr, "\n"); exit(X_STARTUP); } } if (Tflag && uflag) { (void)fprintf(stderr, "You cannot use the T and u flags together.\n"); exit(X_STARTUP); } if (strcmp(tape, "-") == 0) { pipeout++; tape = "standard output"; } if (blocksperfile) blocksperfile = blocksperfile / ntrec * ntrec; /* round down */ else if (!unlimited) { /* * Determine how to default tape size and density * * density tape size * 9-track 1600 bpi (160 bytes/.1") 2300 ft. * 9-track 6250 bpi (625 bytes/.1") 2300 ft. * cartridge 8000 bpi (100 bytes/.1") 1700 ft. * (450*4 - slop) */ if (density == 0) density = cartridge ? 100 : 160; if (tsize == 0) tsize = cartridge ? 1700L*120L : 2300L*120L; } if ((cp = strchr(tape, ':')) != NULL) { host = tape; /* This is fine, because all the const strings don't have : */ *cp++ = '\0'; tape = cp; #ifdef RDUMP if (rmthost(host) == 0) exit(X_STARTUP); #else (void)fprintf(stderr, "remote dump not enabled\n"); exit(X_STARTUP); #endif } if (signal(SIGHUP, SIG_IGN) != SIG_IGN) signal(SIGHUP, sig); if (signal(SIGTRAP, SIG_IGN) != SIG_IGN) signal(SIGTRAP, sig); if (signal(SIGFPE, SIG_IGN) != SIG_IGN) signal(SIGFPE, sig); if (signal(SIGBUS, SIG_IGN) != SIG_IGN) signal(SIGBUS, sig); #if 0 if (signal(SIGSEGV, SIG_IGN) != SIG_IGN) signal(SIGSEGV, sig); #endif if (signal(SIGTERM, SIG_IGN) != SIG_IGN) signal(SIGTERM, sig); if (signal(SIGINT, interrupt) == SIG_IGN) signal(SIGINT, SIG_IGN); /* * disk can be either the full special file name, or * the file system name. */ mountpoint = NULL; mntinfo = mntinfosearch(disk); if ((dt = fstabsearch(disk)) != NULL) { if (getfsspecname(buf, sizeof(buf), dt->fs_spec) == NULL) quit("%s (%s)", buf, strerror(errno)); if (getdiskrawname(rbuf, sizeof(rbuf), buf) == NULL) quit("Can't get disk raw name for `%s' (%s)", buf, strerror(errno)); disk = rbuf; mountpoint = dt->fs_file; msg("Found %s on %s in %s\n", disk, mountpoint, _PATH_FSTAB); } else if (mntinfo != NULL) { if (getdiskrawname(rbuf, sizeof(rbuf), mntinfo->f_mntfromname) == NULL) quit("Can't get disk raw name for `%s' (%s)", mntinfo->f_mntfromname, strerror(errno)); disk = rbuf; mountpoint = mntinfo->f_mntonname; msg("Found %s on %s in mount table\n", disk, mountpoint); } if (mountpoint != NULL) { if (dirc != 0) (void)snprintf(spcl.c_filesys, sizeof(spcl.c_filesys), "a subset of %s", mountpoint); else (void)strlcpy(spcl.c_filesys, mountpoint, sizeof(spcl.c_filesys)); } else if (Fflag) { (void)strlcpy(spcl.c_filesys, "a file system image", sizeof(spcl.c_filesys)); } else { (void)strlcpy(spcl.c_filesys, "an unlisted file system", sizeof(spcl.c_filesys)); } (void)strlcpy(spcl.c_dev, disk, sizeof(spcl.c_dev)); (void)strlcpy(spcl.c_label, labelstr, sizeof(spcl.c_label)); (void)gethostname(spcl.c_host, sizeof(spcl.c_host)); spcl.c_host[sizeof(spcl.c_host) - 1] = '\0'; if ((snap_backup != NULL || snap_internal) && mntinfo == NULL) { msg("WARNING: Cannot use -x or -X on unmounted file system.\n"); snap_backup = NULL; snap_internal = 0; } #ifdef DUMP_LFS sync(); if (snap_backup != NULL || snap_internal) { if (lfs_wrap_stop(mountpoint) < 0) { msg("Cannot stop writing on %s\n", mountpoint); exit(X_STARTUP); } } if ((diskfd = open(disk, O_RDONLY)) < 0) { msg("Cannot open %s\n", disk); exit(X_STARTUP); } disk_dev = disk; #else /* ! DUMP_LFS */ if (snap_backup != NULL || snap_internal) { diskfd = snap_open(mntinfo->f_mntonname, snap_backup, &tnow, &disk_dev); if (diskfd < 0) { msg("Cannot open snapshot of %s\n", mntinfo->f_mntonname); exit(X_STARTUP); } spcl.c_date = tnow; } else { if ((diskfd = open(disk, O_RDONLY)) < 0) { msg("Cannot open %s\n", disk); exit(X_STARTUP); } disk_dev = disk; } sync(); #endif /* ! DUMP_LFS */ needswap = fs_read_sblock(sblock_buf); /* true incremental is always a level 10 dump */ spcl.c_level = trueinc? iswap32(10): iswap32(level - '0'); spcl.c_type = iswap32(TS_TAPE); spcl.c_date = iswap32(spcl.c_date); spcl.c_ddate = iswap32(spcl.c_ddate); if (!Tflag) getdumptime(); /* /etc/dumpdates snarfed */ date = iswap32(spcl.c_date); msg("Date of this level %c dump: %s", level, spcl.c_date == 0 ? "the epoch\n" : ctime(&date)); date = iswap32(spcl.c_ddate); msg("Date of last level %c dump: %s", lastlevel, spcl.c_ddate == 0 ? "the epoch\n" : ctime(&date)); msg("Dumping "); if (snap_backup != NULL || snap_internal) msgtail("a snapshot of "); if (dirc != 0) msgtail("a subset of "); msgtail("%s (%s) ", disk, spcl.c_filesys); if (host) msgtail("to %s on host %s\n", tape, host); else msgtail("to %s\n", tape); msg("Label: %s\n", labelstr); ufsib = fs_parametrize(); dev_bshift = ffs(dev_bsize) - 1; if (dev_bsize != (1 << dev_bshift)) quit("dev_bsize (%ld) is not a power of 2", dev_bsize); tp_bshift = ffs(TP_BSIZE) - 1; if (TP_BSIZE != (1 << tp_bshift)) quit("TP_BSIZE (%d) is not a power of 2", TP_BSIZE); maxino = fs_maxino(); mapsize = roundup(howmany(maxino, NBBY), TP_BSIZE); usedinomap = (char *)xcalloc((unsigned) mapsize, sizeof(char)); dumpdirmap = (char *)xcalloc((unsigned) mapsize, sizeof(char)); dumpinomap = (char *)xcalloc((unsigned) mapsize, sizeof(char)); tapesize = 3 * (howmany(mapsize * sizeof(char), TP_BSIZE) + 1); nonodump = iswap32(spcl.c_level) < honorlevel; initcache(readcache, readblksize); (void)signal(SIGINFO, statussig); msg("mapping (Pass I) [regular files]\n"); anydirskipped = mapfiles(maxino, &tapesize, mountpoint, (dirc ? argv : NULL)); msg("mapping (Pass II) [directories]\n"); while (anydirskipped) { anydirskipped = mapdirs(maxino, &tapesize); } if (pipeout || unlimited) { tapesize += 10; /* 10 trailer blocks */ msg("estimated %llu tape blocks.\n", (unsigned long long)tapesize); } else { double fetapes; if (blocksperfile) fetapes = (double) tapesize / blocksperfile; else if (cartridge) { /* Estimate number of tapes, assuming streaming stops at the end of each block written, and not in mid-block. Assume no erroneous blocks; this can be compensated for with an artificially low tape size. */ fetapes = ( (double) tapesize /* blocks */ * TP_BSIZE /* bytes/block */ * (1.0/density) /* 0.1" / byte */ + (double) tapesize /* blocks */ * (1.0/ntrec) /* streaming-stops per block */ * 15.48 /* 0.1" / streaming-stop */ ) * (1.0 / tsize ); /* tape / 0.1" */ } else { /* Estimate number of tapes, for old fashioned 9-track tape */ int tenthsperirg = (density == 625) ? 3 : 7; fetapes = ( tapesize /* blocks */ * TP_BSIZE /* bytes / block */ * (1.0/density) /* 0.1" / byte */ + tapesize /* blocks */ * (1.0/ntrec) /* IRG's / block */ * tenthsperirg /* 0.1" / IRG */ ) * (1.0 / tsize ); /* tape / 0.1" */ } etapes = fetapes; /* truncating assignment */ etapes++; /* count the dumped inodes map on each additional tape */ tapesize += (etapes - 1) * (howmany(mapsize * sizeof(char), TP_BSIZE) + 1); tapesize += etapes + 10; /* headers + 10 trailer blks */ msg("estimated %llu tape blocks on %3.2f tape(s).\n", (unsigned long long)tapesize, fetapes); } /* * If the user only wants an estimate of the number of * tapes, exit now. */ if (just_estimate) exit(X_FINOK); /* * Allocate tape buffer. */ if (!alloctape()) quit("can't allocate tape buffers - try a smaller blocking factor.\n"); startnewtape(1); (void)time((time_t *)&(tstart_writing)); xferrate = 0; dumpmap(usedinomap, TS_CLRI, maxino - 1); msg("dumping (Pass III) [directories]\n"); dirty = 0; /* XXX just to get gcc to shut up */ for (map = dumpdirmap, ino = 1; ino < maxino; ino++) { if (((ino - 1) % NBBY) == 0) /* map is offset by 1 */ dirty = *map++; else dirty >>= 1; if ((dirty & 1) == 0) continue; /* * Skip directory inodes deleted and maybe reallocated */ dp = getino(ino); if ((DIP(dp, mode) & IFMT) != IFDIR) continue; (void)dumpino(dp, ino); } msg("dumping (Pass IV) [regular files]\n"); for (map = dumpinomap, ino = 1; ino < maxino; ino++) { int mode; if (((ino - 1) % NBBY) == 0) /* map is offset by 1 */ dirty = *map++; else dirty >>= 1; if ((dirty & 1) == 0) continue; /* * Skip inodes deleted and reallocated as directories. */ dp = getino(ino); mode = DIP(dp, mode) & IFMT; if (mode == IFDIR) continue; (void)dumpino(dp, ino); } spcl.c_type = iswap32(TS_END); for (i = 0; i < ntrec; i++) writeheader(maxino - 1); if (pipeout) msg("%lld tape blocks\n",(long long)iswap64(spcl.c_tapea)); else msg("%lld tape blocks on %d volume%s\n", (long long)iswap64(spcl.c_tapea), iswap32(spcl.c_volume), (iswap32(spcl.c_volume) == 1) ? "" : "s"); tnow = do_stats(); date = iswap32(spcl.c_date); msg("Date of this level %c dump: %s", level, spcl.c_date == 0 ? "the epoch\n" : ctime(&date)); msg("Date this dump completed: %s", ctime(&tnow)); msg("Average transfer rate: %d KB/s\n", xferrate / tapeno); putdumptime(); trewind(0); broadcast("DUMP IS DONE!\a\a\n"); #ifdef DUMP_LFS lfs_wrap_go(); #endif /* DUMP_LFS */ msg("DUMP IS DONE\n"); Exit(X_FINOK); /* NOTREACHED */ exit(X_FINOK); /* XXX: to satisfy gcc */ }
/*============================================ * bt_openbtree -- Alloc and init BTREE structure * If it fails, it returns NULL and sets the *lldberr * dir: [IN] btree base dir * cflag: [IN] create btree if no exist? * writ: [IN] requesting write access? 1=yes, 2=requiring * immut: [I/O] user can/will not change anything including keyfile * lldberr: [OUT] error code (if returns NULL) * If this succeeds, it sets readonly & immutable flags in btree structure * as appropriate (eg, if keyfile couldn't be opened in readwrite mode) *==========================================*/ BTREE bt_openbtree (STRING dir, BOOLEAN cflag, INT writ, BOOLEAN immut, INT *lldberr) { BTREE btree; char scratch[200]; FILE *fk=NULL; struct stat sbuf; KEYFILE1 kfile1; KEYFILE2 kfile2; BOOLEAN keyed2 = FALSE; STRING dbmode; /* we only allow 150 characters in base directory name */ *lldberr = 0; if (strlen(dir) > 150) { *lldberr = BTERR_LNGDIR; goto failopenbtree; } /* See if base directory exists */ if (stat(dir, &sbuf)) { /* db directory not found */ if (!cflag || !writ || immut) { *lldberr = BTERR_NODB; goto failopenbtree; } /* create flag set, so try to create it & stat again */ sprintf(scratch, "%s/", dir); if (!mkalldirs(scratch) || stat(dir, &sbuf)) { *lldberr = BTERR_DBCREATEFAILED; goto failopenbtree; } } else if (!S_ISDIR(sbuf.st_mode)) { /* found but not directory */ *lldberr = BTERR_DBBLOCKEDBYFILE; goto failopenbtree; } /* db dir was found, or created & then found */ if (access(dir, 0)) { *lldberr = BTERR_DBACCESS; goto failopenbtree; } /* See if key file exists */ sprintf(scratch, "%s/key", dir); if (stat(scratch, &sbuf)) { /* no keyfile */ if (!cflag) { *lldberr = BTERR_NOKEY; goto failopenbtree; } /* create flag set, so try to create it & stat again */ if (!initbtree(dir, lldberr) || stat(scratch, &sbuf)) { /* initbtree actually set *lldberr, but we ignore it */ *lldberr = BTERR_DBCREATEFAILED; goto failopenbtree; } } else { if (cflag) { /* keyfile found - don't create on top of it */ *lldberr = BTERR_EXISTS; goto failopenbtree; } } if (!S_ISREG(sbuf.st_mode)) { /* keyfile is a directory! */ *lldberr = BTERR_KFILE; goto failopenbtree; } /* Open and read key file (KEYFILE1) */ immutretry: dbmode = immut ? LLREADBINARY : LLREADBINARYUPDATE; if (!(fk = fopen(scratch, dbmode))) { if (!immut && writ<2) { /* maybe it is read-only media */ immut = TRUE; goto immutretry; } *lldberr = BTERR_KFILE; goto failopenbtree; } if (fread(&kfile1, sizeof(kfile1), 1, fk) != 1) { *lldberr = BTERR_KFILE; goto failopenbtree; } /* Read & validate KEYFILE2 - if not present, we'll add it below */ /* see btree.h for explanation of KEYFILE2 */ if (fread(&kfile2, sizeof(kfile2), 1, fk) == 1) { if (!validate_keyfile2(&kfile2, lldberr)) goto failopenbtree; /* validate set *lldberr */ keyed2=TRUE; } if (writ < 2 && kfile1.k_ostat == -2) immut = TRUE; /* keyfile contains the flag for immutable access only */ /* if not immutable, handle reader/writer protection update */ if (!immut) { if (kfile1.k_ostat == -1) { *lldberr = BTERR_WRITER; goto failopenbtree; } if (kfile1.k_ostat == -2) { *lldberr = BTERR_LOCKED; goto failopenbtree; } /* Update key file for this new opening */ if (writ>0 && (kfile1.k_ostat == 0)) kfile1.k_ostat = -1; else kfile1.k_ostat++; rewind(fk); if (fwrite(&kfile1, sizeof(kfile1), 1, fk) != 1) { *lldberr = BTERR_KFILE; goto failopenbtree; } if (!keyed2) { /* add KEYFILE2 structure */ init_keyfile2(&kfile2); if (fwrite(&kfile2, sizeof(kfile2), 1, fk) != 1) { *lldberr = BTERR_KFILE; goto failopenbtree; } } if (fflush(fk) != 0) { *lldberr = BTERR_KFILE; goto failopenbtree; } } /* Create BTREE structure */ btree = (BTREE) stdalloc(sizeof *btree); bbasedir(btree) = dir; bmaster(btree) = readindex(btree, kfile1.k_mkey, TRUE); if (!(bmaster(btree))) { stdfree(btree); *lldberr = BTERR_MASTER_INDEX; goto failopenbtree; } bwrite(btree) = !immut && writ && (kfile1.k_ostat == -1); bimmut(btree) = immut; /* includes case that ostat is -2 */ bkfp(btree) = fk; btree->b_kfile.k_mkey = kfile1.k_mkey; btree->b_kfile.k_fkey = kfile1.k_fkey; btree->b_kfile.k_ostat = kfile1.k_ostat; initcache(btree, 20); return btree; failopenbtree: if (fk) fclose(fk); return NULL; }
/* check simulator-specific option values */ void sim_check_options(struct opt_odb_t *odb, /* options database */ int argc, char **argv) /* command line arguments */ { char name[128], c; int nsets, bsize, assoc; /* use a level 1 D-cache? */ if (!mystricmp(cache_dl1_opt, "none")) { cache_dl1 = NULL; /* the level 2 D-cache cannot be defined */ if (strcmp(cache_dl2_opt, "none")) fatal("the l1 data cache must defined if the l2 cache is defined"); cache_dl2 = NULL; } else /* dl1 is defined */ { if (sscanf(cache_dl1_opt, "%[^:]:%d:%d:%d:%c", name, &nsets, &bsize, &assoc, &c) != 5) fatal("bad l1 D-cache parms: <name>:<nsets>:<bsize>:<assoc>:<repl>"); cache_dl1 = cache_create(name, nsets, bsize, /* balloc */FALSE, /* usize */0, assoc, cache_char2policy(c), dl1_access_fn, /* hit latency */1); /* is the level 2 D-cache defined? */ if (!mystricmp(cache_dl2_opt, "none")) cache_dl2 = NULL; else { if (sscanf(cache_dl2_opt, "%[^:]:%d:%d:%d:%c", name, &nsets, &bsize, &assoc, &c) != 5) fatal("bad l2 D-cache parms: " "<name>:<nsets>:<bsize>:<assoc>:<repl>"); cache_dl2 = cache_create(name, nsets, bsize, /* balloc */FALSE, /* usize */0, assoc, cache_char2policy(c), dl2_access_fn, /* hit latency */1); /********** Modification for ACAPP tool **********/ initcache(nsets,assoc,bsize); } } /* use a level 1 I-cache? */ if (!mystricmp(cache_il1_opt, "none")) { cache_il1 = NULL; /* the level 2 I-cache cannot be defined */ if (strcmp(cache_il2_opt, "none")) fatal("the l1 inst cache must defined if the l2 cache is defined"); cache_il2 = NULL; } else if (!mystricmp(cache_il1_opt, "dl1")) { if (!cache_dl1) fatal("I-cache l1 cannot access D-cache l1 as it's undefined"); cache_il1 = cache_dl1; /* the level 2 I-cache cannot be defined */ if (strcmp(cache_il2_opt, "none")) fatal("the l1 inst cache must defined if the l2 cache is defined"); cache_il2 = NULL; } else if (!mystricmp(cache_il1_opt, "dl2")) { if (!cache_dl2) fatal("I-cache l1 cannot access D-cache l2 as it's undefined"); cache_il1 = cache_dl2; /* the level 2 I-cache cannot be defined */ if (strcmp(cache_il2_opt, "none")) fatal("the l1 inst cache must defined if the l2 cache is defined"); cache_il2 = NULL; } else /* il1 is defined */ { if (sscanf(cache_il1_opt, "%[^:]:%d:%d:%d:%c", name, &nsets, &bsize, &assoc, &c) != 5) fatal("bad l1 I-cache parms: <name>:<nsets>:<bsize>:<assoc>:<repl>"); cache_il1 = cache_create(name, nsets, bsize, /* balloc */FALSE, /* usize */0, assoc, cache_char2policy(c), il1_access_fn, /* hit latency */1); /* is the level 2 D-cache defined? */ if (!mystricmp(cache_il2_opt, "none")) cache_il2 = NULL; else if (!mystricmp(cache_il2_opt, "dl2")) { if (!cache_dl2) fatal("I-cache l2 cannot access D-cache l2 as it's undefined"); cache_il2 = cache_dl2; } else { if (sscanf(cache_il2_opt, "%[^:]:%d:%d:%d:%c", name, &nsets, &bsize, &assoc, &c) != 5) fatal("bad l2 I-cache parms: " "<name>:<nsets>:<bsize>:<assoc>:<repl>"); cache_il2 = cache_create(name, nsets, bsize, /* balloc */FALSE, /* usize */0, assoc, cache_char2policy(c), il2_access_fn, /* hit latency */1); } } /* use an I-TLB? */ if (!mystricmp(itlb_opt, "none")) itlb = NULL; else { if (sscanf(itlb_opt, "%[^:]:%d:%d:%d:%c", name, &nsets, &bsize, &assoc, &c) != 5) fatal("bad TLB parms: <name>:<nsets>:<page_size>:<assoc>:<repl>"); itlb = cache_create(name, nsets, bsize, /* balloc */FALSE, /* usize */sizeof(md_addr_t), assoc, cache_char2policy(c), itlb_access_fn, /* hit latency */1); } /* use a D-TLB? */ if (!mystricmp(dtlb_opt, "none")) dtlb = NULL; else { if (sscanf(dtlb_opt, "%[^:]:%d:%d:%d:%c", name, &nsets, &bsize, &assoc, &c) != 5) fatal("bad TLB parms: <name>:<nsets>:<page_size>:<assoc>:<repl>"); dtlb = cache_create(name, nsets, bsize, /* balloc */FALSE, /* usize */sizeof(md_addr_t), assoc, cache_char2policy(c), dtlb_access_fn, /* hit latency */1); } }