| 1 | // ========== Copyright Header Begin ========================================== |
| 2 | // |
| 3 | // OpenSPARC T2 Processor File: main.C |
| 4 | // Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. |
| 5 | // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES. |
| 6 | // |
| 7 | // The above named program is free software; you can redistribute it and/or |
| 8 | // modify it under the terms of the GNU General Public |
| 9 | // License version 2 as published by the Free Software Foundation. |
| 10 | // |
| 11 | // The above named program is distributed in the hope that it will be |
| 12 | // useful, but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | // General Public License for more details. |
| 15 | // |
| 16 | // You should have received a copy of the GNU General Public |
| 17 | // License along with this work; if not, write to the Free Software |
| 18 | // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. |
| 19 | // |
| 20 | // ========== Copyright Header End ============================================ |
| 21 | #include <stdio.h> |
| 22 | #include <stdlib.h> |
| 23 | #include <string.h> |
| 24 | |
| 25 | #include "read_symbols.h" |
| 26 | #include "trconv.H" |
| 27 | |
| 28 | #define BUFFER_SIZE (128 << 10) |
| 29 | |
| 30 | int process_buffer(Trace* itrace, Trace* otrace, |
| 31 | void* itr_buf, void* otr_buf, |
| 32 | int start, int ntr) { |
| 33 | int i; |
| 34 | static int buffer_instrs = 0; |
| 35 | uint64_t prev_icount; |
| 36 | int curcpu = -1; |
| 37 | void* useless = itr_buf; // no CC warnings |
| 38 | |
| 39 | for (i = start; |
| 40 | i < ntr && gbl.rcount < gbl.maxRecs && gbl.icount < gbl.maxInstrs; |
| 41 | i++) { |
| 42 | itrace->count(); |
| 43 | |
| 44 | curcpu = itrace->getCpuID(); |
| 45 | if (curcpu == -1 || gbl.cpu[curcpu] == 1) { |
| 46 | if (in_range(itrace->get_pc(), gbl.frompc, gbl.topc) && |
| 47 | in_range(itrace->get_ea(), gbl.fromea, gbl.toea)) { |
| 48 | prev_icount = gbl.icount; |
| 49 | // -patchcleanrst, -pc_pavadiff, -ea_pavadiff done in count() |
| 50 | |
| 51 | // these records should be processed... |
| 52 | if (!gbl.countOnly) { |
| 53 | // only check for instruction opcode errors? |
| 54 | if (gbl.checkError) { |
| 55 | if (itrace->check_ihash_error()) { |
| 56 | fprintf(stderr, "IHash Error (#%llu ih=%d): " |
| 57 | "Incorrect ihash value in input file.\n", |
| 58 | gbl.rcount - 1 + gbl.skipRecs, itrace->get_ihash()); |
| 59 | } |
| 60 | } else /* if not gbl.checkError */ { |
| 61 | // is ihash valid? |
| 62 | if (gbl.checkIHash) { |
| 63 | // a valid nonzero ihash is assumed valid |
| 64 | if (itrace->check_ihash_error() == 0) { |
| 65 | if (itrace->get_ihash() >= SPIX_SPARC_IOP_BN) { |
| 66 | gbl.checkIHash = false; |
| 67 | } |
| 68 | } else { // ERROR!!! |
| 69 | fprintf(stderr, |
| 70 | "\nIHash Error (#%llu ih=%d): " |
| 71 | "Correcting ihash values in output.\n\n", |
| 72 | gbl.rcount - 1 + gbl.skipRecs, itrace->get_ihash()); |
| 73 | gbl.checkIHash = false; |
| 74 | gbl.genIHash = true; // generate ihash values |
| 75 | } |
| 76 | } // if gbl.checkIHash |
| 77 | |
| 78 | // generate ihash? |
| 79 | if (gbl.genIHash) { |
| 80 | itrace->gen_ihash(); |
| 81 | } |
| 82 | |
| 83 | // print or convert trace? |
| 84 | if (gbl.totype == NONE) { // then we're printing |
| 85 | uint64_t idx; |
| 86 | |
| 87 | if (gbl.reorderIns) { |
| 88 | idx = gbl.icount - 1 - gbl.skipInstrs; |
| 89 | } else if (gbl.reorderNoIns) { |
| 90 | idx = gbl.rcount - gbl.icount + |
| 91 | gbl.skipRecs + gbl.skipInstrsRecs; |
| 92 | } else { |
| 93 | idx = gbl.rcount - 1 + gbl.skipRecs + gbl.skipInstrsRecs; |
| 94 | } |
| 95 | |
| 96 | if (gbl.record) { |
| 97 | itrace->print_rec(idx); |
| 98 | } else if (gbl.disassembly) { |
| 99 | itrace->print_dasm(idx); |
| 100 | } else { |
| 101 | itrace->print_verb(idx); |
| 102 | } |
| 103 | } else if (gbl.fromtype == RST && gbl.totype == RST) { |
| 104 | otrace->copy_to_rst(itrace->copy_from_rst()); |
| 105 | } else { // then we're converting |
| 106 | itrace->convert_to_master(); |
| 107 | |
| 108 | if (prev_icount != gbl.icount) { // instruction converted? |
| 109 | otrace->convert_from_master(itrace->get_master()); |
| 110 | } |
| 111 | } |
| 112 | } // checkError? |
| 113 | } // if !gbl.countOnly |
| 114 | |
| 115 | if ((gbl.totype != NONE && prev_icount != gbl.icount) || |
| 116 | (gbl.fromtype == RST && gbl.totype == RST)) { |
| 117 | otrace->inc_tr(); |
| 118 | buffer_instrs++; |
| 119 | |
| 120 | if (buffer_instrs == BUFFER_SIZE) { |
| 121 | otrace->reset_tr(); |
| 122 | fwrite(otr_buf, gbl.tosize, buffer_instrs, gbl.outfp); |
| 123 | buffer_instrs = 0; |
| 124 | } |
| 125 | } |
| 126 | } // in_range pc, ea? |
| 127 | } |
| 128 | |
| 129 | itrace->inc_tr(); |
| 130 | } |
| 131 | |
| 132 | return buffer_instrs; |
| 133 | } |
| 134 | |
| 135 | void process_trace(Trace* itrace, Trace* otrace, |
| 136 | void* itr_buf, void* otr_buf) { |
| 137 | int i, ntr, buffer_instrs; |
| 138 | |
| 139 | itrace->set_tr(itr_buf); |
| 140 | if (otrace != NULL) { |
| 141 | otrace->set_tr(otr_buf); |
| 142 | } |
| 143 | |
| 144 | if (gbl.skipRecs) { |
| 145 | |
| 146 | if (0 && (gbl.infp != stdin)) { |
| 147 | off_t offset; |
| 148 | off_t filesize; |
| 149 | |
| 150 | fseeko(gbl.infp, 0, SEEK_END); |
| 151 | filesize = ftello(gbl.infp); |
| 152 | |
| 153 | offset = gbl.skipRecs * gbl.fromsize; |
| 154 | |
| 155 | if (offset < filesize) { |
| 156 | fseeko(gbl.infp, offset, SEEK_SET); |
| 157 | } else { |
| 158 | fprintf(stderr, "Fewer than %lld records in file '%s' (%lld).\n", |
| 159 | gbl.skipRecs, gbl.infile, filesize / gbl.fromsize); |
| 160 | exit(2); |
| 161 | } |
| 162 | } else { |
| 163 | master_64bit_trace_t *buf; |
| 164 | |
| 165 | buf = (master_64bit_trace_t*) malloc(BUFFER_SIZE * |
| 166 | sizeof(master_64bit_trace_t)); |
| 167 | |
| 168 | for (i = 0; i < gbl.skipRecs / BUFFER_SIZE; i++) { |
| 169 | if (fread(buf, gbl.fromsize, BUFFER_SIZE, gbl.infp) < BUFFER_SIZE) { |
| 170 | fprintf(stderr, "Fewer than %lld records in file '%s'.\n", |
| 171 | gbl.skipRecs, gbl.infile); |
| 172 | exit(2); |
| 173 | if (gbl.fromtype == RST) { |
| 174 | rstf_unionT * ru = (rstf_unionT *) buf; |
| 175 | if (ru->proto.rtype == RSTHEADER_T) { |
| 176 | if (ru->header.majorVer*1000+ru->header.minorVer <= 2011) { |
| 177 | gbl.rstf_pre212 = true; |
| 178 | } |
| 179 | } // if rstheader |
| 180 | } // if fromtype==rst |
| 181 | } // if not end-of-file |
| 182 | } // for skip recs |
| 183 | |
| 184 | if (fread(buf, gbl.fromsize, (uint32_t)(gbl.skipRecs % BUFFER_SIZE), gbl.infp) < |
| 185 | gbl.skipRecs % BUFFER_SIZE) { |
| 186 | fprintf(stderr, "Fewer than %lld records in file '%s'.\n", |
| 187 | gbl.skipRecs, gbl.infile); |
| 188 | exit(2); |
| 189 | } |
| 190 | |
| 191 | free(buf); |
| 192 | } |
| 193 | } |
| 194 | |
| 195 | else if (gbl.skipInstrs) { |
| 196 | // if from type is rst, first record must be rstheader |
| 197 | |
| 198 | while ((ntr = fread(itr_buf, gbl.fromsize, BUFFER_SIZE, gbl.infp))) { |
| 199 | if (gbl.fromtype == RST) { |
| 200 | rstf_unionT * ru = (rstf_unionT *) itr_buf; |
| 201 | if (ru->proto.rtype == RSTHEADER_T) { |
| 202 | if (ru->header.majorVer*1000+ru->header.minorVer <= 2011) { |
| 203 | gbl.rstf_pre212 = true; |
| 204 | } |
| 205 | } |
| 206 | } |
| 207 | for (i = 0; gbl.icount < gbl.skipInstrs && i < ntr; i++) { |
| 208 | itrace->count(); // -patchcleanrst done here |
| 209 | itrace->inc_tr(); |
| 210 | } |
| 211 | |
| 212 | if (gbl.icount == gbl.skipInstrs) { |
| 213 | break; |
| 214 | } |
| 215 | |
| 216 | itrace->reset_tr(); |
| 217 | } |
| 218 | |
| 219 | buffer_instrs = process_buffer(itrace, otrace, itr_buf, otr_buf, i, ntr); |
| 220 | |
| 221 | if (gbl.verify) { |
| 222 | itrace->verify(); |
| 223 | } |
| 224 | |
| 225 | itrace->reset_tr(); |
| 226 | |
| 227 | gbl.skipInstrsRecs = gbl.rcount; |
| 228 | gbl.rcount = 0; |
| 229 | gbl.icount = 0; |
| 230 | } |
| 231 | |
| 232 | while (gbl.rcount < gbl.maxRecs && |
| 233 | gbl.icount < gbl.maxInstrs && |
| 234 | (ntr = fread(itr_buf, gbl.fromsize, BUFFER_SIZE, gbl.infp))) { |
| 235 | buffer_instrs = process_buffer(itrace, otrace, itr_buf, otr_buf, 0, ntr); |
| 236 | |
| 237 | if (gbl.verify) { |
| 238 | itrace->verify(); |
| 239 | } |
| 240 | |
| 241 | itrace->reset_tr(); |
| 242 | } |
| 243 | |
| 244 | // any leftover instrs to fwrite...? |
| 245 | if (buffer_instrs) { |
| 246 | fwrite(otr_buf, gbl.tosize, buffer_instrs, gbl.outfp); |
| 247 | } |
| 248 | |
| 249 | if (gbl.verbose || gbl.countOnly) { |
| 250 | print_counts(gbl.msgfp); |
| 251 | } |
| 252 | } |
| 253 | |
| 254 | int main(int argc, char *argv[]) { |
| 255 | void* itr_buf; |
| 256 | void* otr_buf; |
| 257 | Trace* itrace; |
| 258 | Trace* otrace; |
| 259 | rtf99 itr_rtf99, otr_rtf99; |
| 260 | Shade5 itr_shade5, otr_shade5; |
| 261 | Shade6x32 itr_shade6x32, otr_shade6x32; |
| 262 | Shade6x64 itr_shade6x64, otr_shade6x64; |
| 263 | Master itr_master, otr_master; |
| 264 | RSTF_Union itr_rstf_union, otr_rstf_union; |
| 265 | |
| 266 | init_globals(argv); |
| 267 | parse_args(argc, argv); |
| 268 | |
| 269 | // make input trace buffer |
| 270 | itr_buf = calloc(BUFFER_SIZE, gbl.fromsize); |
| 271 | if (itr_buf == NULL) { |
| 272 | fprintf(stderr, |
| 273 | "Could not allocate memory for itr_buf[] in main().\n"); |
| 274 | exit(2); |
| 275 | } |
| 276 | |
| 277 | // make output trace buffer, if conversion specified |
| 278 | if (gbl.totype != NONE) { |
| 279 | otr_buf = calloc(BUFFER_SIZE, gbl.tosize); |
| 280 | if (otr_buf == NULL) { |
| 281 | fprintf(stderr, |
| 282 | "Could not allocate memory for otr_buf[] in main().\n"); |
| 283 | exit(2); |
| 284 | } |
| 285 | } |
| 286 | |
| 287 | switch (gbl.fromtype) { |
| 288 | case RTF99: |
| 289 | itrace = &itr_rtf99; |
| 290 | break; |
| 291 | case SHADE5: |
| 292 | itrace = &itr_shade5; |
| 293 | break; |
| 294 | case SHADE6x32: |
| 295 | itrace = &itr_shade6x32; |
| 296 | break; |
| 297 | case SHADE6x64: |
| 298 | itrace = &itr_shade6x64; |
| 299 | break; |
| 300 | case MASTER64: |
| 301 | itrace = &itr_master; |
| 302 | break; |
| 303 | case RST: |
| 304 | itrace = &itr_rstf_union; |
| 305 | break; |
| 306 | case NONE: |
| 307 | usage(argv[0]); |
| 308 | exit(1); |
| 309 | default: |
| 310 | fprintf(stderr, switch_error_string, "fromtype", "main()", gbl.fromtype); |
| 311 | exit(2); |
| 312 | } |
| 313 | |
| 314 | switch (gbl.totype) { |
| 315 | case RTF99: |
| 316 | otrace = &otr_rtf99; |
| 317 | break; |
| 318 | case SHADE5: |
| 319 | otrace = &otr_shade5; |
| 320 | break; |
| 321 | case SHADE6x32: |
| 322 | otrace = &otr_shade6x32; |
| 323 | break; |
| 324 | case SHADE6x64: |
| 325 | otrace = &otr_shade6x64; |
| 326 | break; |
| 327 | case MASTER64: |
| 328 | otrace = &otr_master; |
| 329 | break; |
| 330 | case RST: |
| 331 | otrace = &otr_rstf_union; |
| 332 | break; |
| 333 | case NONE: |
| 334 | otrace = NULL; |
| 335 | break; |
| 336 | default: |
| 337 | fprintf(stderr, switch_error_string, "totype", "main()", gbl.totype); |
| 338 | exit(2); |
| 339 | } |
| 340 | |
| 341 | process_trace(itrace, otrace, itr_buf, otr_buf); |
| 342 | |
| 343 | return 0; |
| 344 | } // main() |