| 1 | /* |
| 2 | * ========== Copyright Header Begin ========================================== |
| 3 | * |
| 4 | * OpenSPARC T2 Processor File: traps_save_restore.s |
| 5 | * Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved |
| 6 | * 4150 Network Circle, Santa Clara, California 95054, U.S.A. |
| 7 | * |
| 8 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License as published by |
| 12 | * the Free Software Foundation; version 2 of the License. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 22 | * |
| 23 | * For the avoidance of doubt, and except that if any non-GPL license |
| 24 | * choice is available it will apply instead, Sun elects to use only |
| 25 | * the General Public License version 2 (GPLv2) at this time for any |
| 26 | * software where a choice of GPL license versions is made |
| 27 | * available with the language indicating that GPLv2 or any later version |
| 28 | * may be used, or where a choice of which version of the GPL is applied is |
| 29 | * otherwise unspecified. |
| 30 | * |
| 31 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 32 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 33 | * have any questions. |
| 34 | * |
| 35 | * |
| 36 | * ========== Copyright Header End ============================================ |
| 37 | */ |
| 38 | #define MAIN_PAGE_NUCLEUS_ALSO |
| 39 | #define MAIN_PAGE_HV_ALSO |
| 40 | !#include "nmacros.h" |
| 41 | |
| 42 | #define MY_SPILL_TRAP \ |
| 43 | saved; \ |
| 44 | wrpr %g0, %cwp; \ |
| 45 | rdpr %tl, %l6; \ |
| 46 | rdpr %tt, %l5; \ |
| 47 | rd %pc, %l4; \ |
| 48 | inc %l3; \ |
| 49 | done; \ |
| 50 | nop; |
| 51 | |
| 52 | #define MY_FILL_TRAP \ |
| 53 | restored; \ |
| 54 | wrpr %g0, %cwp; \ |
| 55 | rdpr %tl, %l6; \ |
| 56 | rdpr %tt, %l5; \ |
| 57 | rd %pc, %l4; \ |
| 58 | inc %l3; \ |
| 59 | done; \ |
| 60 | nop; |
| 61 | |
| 62 | #define MY_GENERIC_TRAP \ |
| 63 | wrpr %g0, %cwp; \ |
| 64 | rdpr %tl, %l6; \ |
| 65 | rdpr %tt, %l5; \ |
| 66 | rd %pc, %l4; \ |
| 67 | inc %l3; \ |
| 68 | done; \ |
| 69 | nop; \ |
| 70 | nop; |
| 71 | |
| 72 | |
| 73 | #define H_T0_Window_Spill_0_Normal_Trap |
| 74 | #define My_T0_Window_Spill_0_Normal_Trap MY_SPILL_TRAP |
| 75 | #define H_T0_Window_Spill_1_Normal_Trap |
| 76 | #define My_T0_Window_Spill_1_Normal_Trap MY_SPILL_TRAP |
| 77 | #define H_T0_Window_Spill_2_Normal_Trap |
| 78 | #define My_T0_Window_Spill_2_Normal_Trap MY_SPILL_TRAP |
| 79 | #define H_T0_Window_Spill_3_Normal_Trap |
| 80 | #define My_T0_Window_Spill_3_Normal_Trap MY_SPILL_TRAP |
| 81 | #define H_T0_Window_Spill_4_Normal_Trap |
| 82 | #define My_T0_Window_Spill_4_Normal_Trap MY_SPILL_TRAP |
| 83 | #define H_T0_Window_Spill_5_Normal_Trap |
| 84 | #define My_T0_Window_Spill_5_Normal_Trap MY_SPILL_TRAP |
| 85 | #define H_T0_Window_Spill_6_Normal_Trap |
| 86 | #define My_T0_Window_Spill_6_Normal_Trap MY_SPILL_TRAP |
| 87 | #define H_T0_Window_Spill_7_Normal_Trap |
| 88 | #define My_T0_Window_Spill_7_Normal_Trap MY_SPILL_TRAP |
| 89 | |
| 90 | #define H_T0_Window_Spill_0_Other_Trap |
| 91 | #define My_T0_Window_Spill_0_Other_Trap MY_SPILL_TRAP |
| 92 | #define H_T0_Window_Spill_1_Other_Trap |
| 93 | #define My_T0_Window_Spill_1_Other_Trap MY_SPILL_TRAP |
| 94 | #define H_T0_Window_Spill_2_Other_Trap |
| 95 | #define My_T0_Window_Spill_2_Other_Trap MY_SPILL_TRAP |
| 96 | #define H_T0_Window_Spill_3_Other_Trap |
| 97 | #define My_T0_Window_Spill_3_Other_Trap MY_SPILL_TRAP |
| 98 | #define H_T0_Window_Spill_4_Other_Trap |
| 99 | #define My_T0_Window_Spill_4_Other_Trap MY_SPILL_TRAP |
| 100 | #define H_T0_Window_Spill_5_Other_Trap |
| 101 | #define My_T0_Window_Spill_5_Other_Trap MY_SPILL_TRAP |
| 102 | #define H_T0_Window_Spill_6_Other_Trap |
| 103 | #define My_T0_Window_Spill_6_Other_Trap MY_SPILL_TRAP |
| 104 | #define H_T0_Window_Spill_7_Other_Trap |
| 105 | #define My_T0_Window_Spill_7_Other_Trap MY_SPILL_TRAP |
| 106 | |
| 107 | ! fill |
| 108 | #define H_T0_Window_Fill_0_Normal_Trap |
| 109 | #define My_T0_Window_Fill_0_Normal_Trap MY_FILL_TRAP |
| 110 | #define H_T0_Window_Fill_1_Normal_Trap |
| 111 | #define My_T0_Window_Fill_1_Normal_Trap MY_FILL_TRAP |
| 112 | #define H_T0_Window_Fill_2_Normal_Trap |
| 113 | #define My_T0_Window_Fill_2_Normal_Trap MY_FILL_TRAP |
| 114 | #define H_T0_Window_Fill_3_Normal_Trap |
| 115 | #define My_T0_Window_Fill_3_Normal_Trap MY_FILL_TRAP |
| 116 | #define H_T0_Window_Fill_4_Normal_Trap |
| 117 | #define My_T0_Window_Fill_4_Normal_Trap MY_FILL_TRAP |
| 118 | #define H_T0_Window_Fill_5_Normal_Trap |
| 119 | #define My_T0_Window_Fill_5_Normal_Trap MY_FILL_TRAP |
| 120 | #define H_T0_Window_Fill_6_Normal_Trap |
| 121 | #define My_T0_Window_Fill_6_Normal_Trap MY_FILL_TRAP |
| 122 | #define H_T0_Window_Fill_7_Normal_Trap |
| 123 | #define My_T0_Window_Fill_7_Normal_Trap MY_FILL_TRAP |
| 124 | |
| 125 | #define H_T0_Window_Fill_0_Other_Trap |
| 126 | #define My_T0_Window_Fill_0_Other_Trap MY_FILL_TRAP |
| 127 | #define H_T0_Window_Fill_1_Other_Trap |
| 128 | #define My_T0_Window_Fill_1_Other_Trap MY_FILL_TRAP |
| 129 | #define H_T0_Window_Fill_2_Other_Trap |
| 130 | #define My_T0_Window_Fill_2_Other_Trap MY_FILL_TRAP |
| 131 | #define H_T0_Window_Fill_3_Other_Trap |
| 132 | #define My_T0_Window_Fill_3_Other_Trap MY_FILL_TRAP |
| 133 | #define H_T0_Window_Fill_4_Other_Trap |
| 134 | #define My_T0_Window_Fill_4_Other_Trap MY_FILL_TRAP |
| 135 | #define H_T0_Window_Fill_5_Other_Trap |
| 136 | #define My_T0_Window_Fill_5_Other_Trap MY_FILL_TRAP |
| 137 | #define H_T0_Window_Fill_6_Other_Trap |
| 138 | #define My_T0_Window_Fill_6_Other_Trap MY_FILL_TRAP |
| 139 | #define H_T0_Window_Fill_7_Other_Trap |
| 140 | #define My_T0_Window_Fill_7_Other_Trap MY_FILL_TRAP |
| 141 | |
| 142 | |
| 143 | #define H_T0_Clean_Window |
| 144 | #define My_T0_Clean_Window MY_GENERIC_TRAP |
| 145 | |
| 146 | |
| 147 | |
| 148 | #include "hboot.s" |
| 149 | |
| 150 | /************************************************************************ |
| 151 | Test case code start |
| 152 | ************************************************************************/ |
| 153 | |
| 154 | .text |
| 155 | .global main |
| 156 | |
| 157 | main: |
| 158 | |
| 159 | ta T_CHANGE_PRIV ! run in priv mode |
| 160 | nop |
| 161 | |
| 162 | ! rdth_id ! get thread ID in %o1 |
| 163 | ! umul %o1, 256, %l7 |
| 164 | ! setx user_data_start, %g1, %g3 |
| 165 | ! add %l7, %g3, %l7 |
| 166 | |
| 167 | single_thread: |
| 168 | ba thread_0 |
| 169 | |
| 170 | ! thread_dispatch: |
| 171 | ! cmp %o1, 0x0 |
| 172 | ! be thread_0 |
| 173 | ! nop |
| 174 | ! cmp %o1, 0x1 |
| 175 | ! be thread_1 |
| 176 | ! nop |
| 177 | ! cmp %o1, 0x2 |
| 178 | ! be thread_2 |
| 179 | ! nop |
| 180 | ! cmp %o1, 0x3 |
| 181 | ! be thread_3 |
| 182 | ! nop |
| 183 | ! cmp %o1, 0x4 |
| 184 | ! be thread_4 |
| 185 | ! nop |
| 186 | ! cmp %o1, 0x5 |
| 187 | ! be thread_5 |
| 188 | ! nop |
| 189 | ! cmp %o1, 0x6 |
| 190 | ! be thread_6 |
| 191 | ! nop |
| 192 | ! cmp %o1, 0x7 |
| 193 | ! be thread_7 |
| 194 | |
| 195 | ! ! ! nop |
| 196 | ! ! ! EXIT_GOOD |
| 197 | |
| 198 | |
| 199 | |
| 200 | ! |
| 201 | ! Thread 0 Start |
| 202 | ! |
| 203 | thread_0: |
| 204 | |
| 205 | |
| 206 | theRealStuff: |
| 207 | !# Execute Main Diag .. |
| 208 | |
| 209 | wrpr %g0, %cwp ! default window is zero |
| 210 | |
| 211 | ! table address |
| 212 | setx HV_TRAP_BASE_PA, %g1, %i7 |
| 213 | srlx %i7, 13, %i4 ! HV_TRAP_BASE |
| 214 | setx TRAP_BASE_VA, %g1, %i7 |
| 215 | srlx %i7, 13, %i5 ! TRAP_BASE |
| 216 | |
| 217 | ! trap count |
| 218 | setx 0, %g1, %o6 |
| 219 | |
| 220 | ! outer loop cnt |
| 221 | setx 0, %g1, %i3 |
| 222 | |
| 223 | save: |
| 224 | |
| 225 | |
| 226 | ! 2 loops |
| 227 | loopNormAndOther: |
| 228 | |
| 229 | ! no clean traps now |
| 230 | mov 7, %g1 |
| 231 | wrpr %g1, %cleanwin |
| 232 | |
| 233 | !loop cnt |
| 234 | setx 7, %g1, %i6 |
| 235 | setx 8, %g1, %i7 |
| 236 | |
| 237 | loop8traps: |
| 238 | !spill 8 times |
| 239 | wrpr %i3, %otherwin |
| 240 | sll %i6, 3, %g7 |
| 241 | or %g7, %i6, %g7 |
| 242 | wrpr %g7, %wstate ! what trap we will take |
| 243 | wrpr %g0, %cansave ! can't save |
| 244 | wrpr %i6, %cwp |
| 245 | save ! do it |
| 246 | |
| 247 | wrpr %g0, %cwp ! default window is zero |
| 248 | |
| 249 | cmp %l6, 1 ! trap level |
| 250 | bne test_failed |
| 251 | mov 0, %l6 |
| 252 | |
| 253 | !%o0 = itteration X 4 + 80 + 20 if other = TrapType |
| 254 | mulx %i6, 0x04, %o0 |
| 255 | add %o0, 0x80, %o0 |
| 256 | mulx %i3, 0x20, %o1 |
| 257 | add %o0, %o1, %o0 |
| 258 | |
| 259 | cmp %l5, %o0 !type check |
| 260 | bne test_failed |
| 261 | mov 0, %l5 |
| 262 | srlx %l4, 13, %g3 ! table address |
| 263 | cmp %g3, %i5 ! correct table used by tlu? |
| 264 | bne test_failed |
| 265 | mov 0, %l4 |
| 266 | |
| 267 | dec %i6 |
| 268 | subcc %i7, 1, %i7 |
| 269 | bne loop8traps |
| 270 | nop |
| 271 | |
| 272 | subcc %i3, 1, %g1 |
| 273 | bz clean_win |
| 274 | nop |
| 275 | inc %i3 |
| 276 | ba loopNormAndOther |
| 277 | nop |
| 278 | |
| 279 | clean_win: |
| 280 | |
| 281 | ! If CANSAVE 0, the SAVE instruction checks whether the new window |
| 282 | ! needs to be cleaned. It causes a clean_windowtrap if the number of |
| 283 | ! unused clean windows is zero, that is, (CLEANWIN - CANRESTORE) |
| 284 | ! = 0. The clean_window trap handler is invoked with the CWP set to |
| 285 | ! point to the window to be cleaned (that is, old CWP + 1). |
| 286 | |
| 287 | wrpr %g0, %cwp ! default window is zero |
| 288 | |
| 289 | mov 7, %g1 |
| 290 | wrpr %g0, %cleanwin |
| 291 | wrpr %g0, %canrestore |
| 292 | ! wrpr %g0, %wstate ! what trap we will take |
| 293 | wrpr %g1, %cansave ! can save |
| 294 | wrpr %g0, %cwp |
| 295 | save %g1, %g1, %g1! do it |
| 296 | |
| 297 | wrpr %g0, %cwp ! default window is zero |
| 298 | |
| 299 | cmp %l6, 1 !level check |
| 300 | bne test_failed |
| 301 | mov 0, %l6 |
| 302 | cmp %l5, 0x24 !type check |
| 303 | bne test_failed |
| 304 | mov 0, %l5 |
| 305 | srlx %l4, 13, %g3 ! table address |
| 306 | cmp %g3, %i5 ! correct table used by tlu? |
| 307 | bne test_failed |
| 308 | mov 0, %l4 |
| 309 | |
| 310 | ! sas OK to here |
| 311 | |
| 312 | restore: |
| 313 | |
| 314 | wrpr %g0, %cwp ! default window is zero |
| 315 | |
| 316 | ! outer loop cnt |
| 317 | setx 0, %g1, %i3 |
| 318 | |
| 319 | ! 2 loops |
| 320 | loopNormAndOther_r: |
| 321 | |
| 322 | ! no clean traps |
| 323 | mov 7, %g1 |
| 324 | wrpr %g1, %cleanwin |
| 325 | |
| 326 | !loop cnt |
| 327 | setx 7, %g1, %i6 |
| 328 | setx 8, %g1, %i7 |
| 329 | |
| 330 | loop8traps_r: |
| 331 | !fill 8 times |
| 332 | wrpr %i3, %otherwin |
| 333 | sll %i6, 3, %g7 |
| 334 | or %g7, %i6, %g7 |
| 335 | wrpr %g7, %wstate ! what trap we will take |
| 336 | wrpr %g0, %canrestore ! can't restore |
| 337 | wrpr %i6, %cwp |
| 338 | restore ! do it |
| 339 | |
| 340 | wrpr %g0, %cwp ! default window is zero |
| 341 | |
| 342 | cmp %l6, 1 ! trap level |
| 343 | bne test_failed |
| 344 | mov 0, %l6 |
| 345 | |
| 346 | !%o0 = itteration X 4 + C0 + 20 if other = TrapType |
| 347 | mulx %i6, 0x04, %o0 |
| 348 | add %o0, 0xc0, %o0 |
| 349 | mulx %i3, 0x20, %o1 |
| 350 | add %o0, %o1, %o0 |
| 351 | |
| 352 | cmp %l5, %o0 !type check |
| 353 | bne test_failed |
| 354 | mov 0, %l5 |
| 355 | srlx %l4, 13, %g3 ! table address |
| 356 | cmp %g3, %i5 ! correct table used by tlu? |
| 357 | bne test_failed |
| 358 | mov 0, %l4 |
| 359 | |
| 360 | dec %i6 |
| 361 | subcc %i7, 1, %i7 |
| 362 | bne loop8traps_r |
| 363 | nop |
| 364 | |
| 365 | subcc %i3, 1, %g1 |
| 366 | bz test_passed |
| 367 | nop |
| 368 | inc %i3 |
| 369 | ba loopNormAndOther_r |
| 370 | nop |
| 371 | |
| 372 | |
| 373 | |
| 374 | ! check final trap count |
| 375 | cmp %o6, %l3 |
| 376 | bne test_failed |
| 377 | |
| 378 | test_passed: |
| 379 | EXIT_GOOD |
| 380 | |
| 381 | test_failed: |
| 382 | EXIT_BAD |
| 383 | |
| 384 | |
| 385 | /************************************************************************ |
| 386 | Test case data start |
| 387 | ************************************************************************/ |
| 388 | .data |
| 389 | user_data_start: |
| 390 | .xword 0xDEADBEEFDEADBEEF |
| 391 | .xword 0x1111111122222222 |
| 392 | .xword 0x3333333344444444 |
| 393 | .xword 0x55555555 |
| 394 | .end |
| 395 | |
| 396 | |
| 397 | |