/* radeon_mem.c -- Simple GART/fb memory manager for radeon -*- linux-c -*- */ /* * Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved. * * The Weather Channel (TM) funded Tungsten Graphics to develop the * initial release of the Radeon 8500 driver under the XFree86 license. * This notice must be preserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * * Authors: * Keith Whitwell */ #include "drmP.h" #include "drm.h" #include "radeon_drm.h" #include "radeon_drv.h" /* Very simple allocator for GART memory, working on a static range * already mapped into each client's address space. */ static struct mem_block *split_block(struct mem_block *p, int start, int size, DRMFILE filp) { /* Maybe cut off the start of an existing block */ if (start > p->start) { struct mem_block *newblock = drm_alloc(sizeof(*newblock), DRM_MEM_BUFS); if (!newblock) goto out; newblock->start = start; newblock->size = p->size - (start - p->start); newblock->filp = NULL; newblock->next = p->next; newblock->prev = p; p->next->prev = newblock; p->next = newblock; p->size -= newblock->size; p = newblock; } /* Maybe cut off the end of an existing block */ if (size < p->size) { struct mem_block *newblock = drm_alloc(sizeof(*newblock), DRM_MEM_BUFS); if (!newblock) goto out; newblock->start = start + size; newblock->size = p->size - size; newblock->filp = NULL; newblock->next = p->next; newblock->prev = p; p->next->prev = newblock; p->next = newblock; p->size = size; } out: /* Our block is in the middle */ p->filp = filp; return p; } static struct mem_block *alloc_block(struct mem_block *heap, int size, int align2, DRMFILE filp) { struct mem_block *p; int mask = (1 << align2) - 1; list_for_each(p, heap) { int start = (p->start + mask) & ~mask; if (p->filp == 0 && start + size <= p->start + p->size) return split_block(p, start, size, filp); } return NULL; } static struct mem_block *find_block(struct mem_block *heap, int start) { struct mem_block *p; list_for_each(p, heap) if (p->start == start) return p; return NULL; } static void free_block(struct mem_block *p) { p->filp = NULL; /* Assumes a single contiguous range. Needs a special filp in * 'heap' to stop it being subsumed. */ if (p->next->filp == 0) { struct mem_block *q = p->next; p->size += q->size; p->next = q->next; p->next->prev = p; drm_free(q, sizeof(*q), DRM_MEM_BUFS); } if (p->prev->filp == 0) { struct mem_block *q = p->prev; q->size += p->size; q->next = p->next; q->next->prev = q; drm_free(p, sizeof(*q), DRM_MEM_BUFS); } } /* Initialize. How to check for an uninitialized heap? */ static int init_heap(struct mem_block **heap, int start, int size) { struct mem_block *blocks = drm_alloc(sizeof(*blocks), DRM_MEM_BUFS); if (!blocks) return DRM_ERR(ENOMEM); *heap = drm_alloc(sizeof(**heap), DRM_MEM_BUFS); if (!*heap) { drm_free(blocks, sizeof(*blocks), DRM_MEM_BUFS); return DRM_ERR(ENOMEM); } blocks->start = start; blocks->size = size; blocks->filp = NULL; blocks->next = blocks->prev = *heap; memset(*heap, 0, sizeof(**heap)); (*heap)->filp = (DRMFILE) - 1; (*heap)->next = (*heap)->prev = blocks; return 0; } /* Free all blocks associated with the releasing file. */ void radeon_mem_release(DRMFILE filp, struct mem_block *heap) { struct mem_block *p; if (!heap || !heap->next) return; list_for_each(p, heap) { if (p->filp == filp) p->filp = NULL; } /* Assumes a single contiguous range. Needs a special filp in * 'heap' to stop it being subsumed. */ list_for_each(p, heap) { while (p->filp == 0 && p->next->filp == 0) { struct mem_block *q = p->next; p->size += q->size; p->next = q->next; p->next->prev = p; drm_free(q, sizeof(*q), DRM_MEM_DRIVER); } } } /* Shutdown. */ void radeon_mem_takedown(struct mem_block **heap) { struct mem_block *p; if (!*heap) return; for (p = (*heap)->next; p != *heap;) { struct mem_block *q = p; p = p->next; drm_free(q, sizeof(*q), DRM_MEM_DRIVER); } drm_free(*heap, sizeof(**heap), DRM_MEM_DRIVER); *heap = NULL; } /* IOCTL HANDLERS */ static struct mem_block **get_heap(drm_radeon_private_t * dev_priv, int region) { switch (region) { case RADEON_MEM_REGION_GART: return &dev_priv->gart_heap; case RADEON_MEM_REGION_FB: return &dev_priv->fb_heap; default: return NULL; } } int radeon_mem_alloc(DRM_IOCTL_ARGS) { DRM_DEVICE; drm_radeon_private_t *dev_priv = dev->dev_private; drm_radeon_mem_alloc_t alloc; struct mem_block *block, **heap; if (!dev_priv) { DRM_ERROR("%s called with no initialization\n", __FUNCTION__); return DRM_ERR(EINVAL); } DRM_COPY_FROM_USER_IOCTL(alloc, (drm_radeon_mem_alloc_t __user *) data, sizeof(alloc)); heap = get_heap(dev_priv, alloc.region); if (!heap || !*heap) return DRM_ERR(EFAULT); /* Make things easier on ourselves: all allocations at least * 4k aligned. */ if (alloc.alignment < 12) alloc.alignment = 12; block = alloc_block(*heap, alloc.size, alloc.alignment, filp); if (!block) return DRM_ERR(ENOMEM); if (DRM_COPY_TO_USER(alloc.region_offset, &block->start, sizeof(int))) { DRM_ERROR("copy_to_user\n"); return DRM_ERR(EFAULT); } return 0; } int radeon_mem_free(DRM_IOCTL_ARGS) { DRM_DEVICE; drm_radeon_private_t *dev_priv = dev->dev_private; drm_radeon_mem_free_t memfree; struct mem_block *block, **heap; if (!dev_priv) { DRM_ERROR("%s called with no initialization\n", __FUNCTION__); return DRM_ERR(EINVAL); } DRM_COPY_FROM_USER_IOCTL(memfree, (drm_radeon_mem_free_t __user *) data, sizeof(memfree)); heap = get_heap(dev_priv, memfree.region); if (!heap || !*heap) return DRM_ERR(EFAULT); block = find_block(*heap, memfree.region_offset); if (!block) return DRM_ERR(EFAULT); if (block->filp != filp) return DRM_ERR(EPERM); free_block(block); return 0; } int radeon_mem_init_heap(DRM_IOCTL_ARGS) { DRM_DEVICE; drm_radeon_private_t *dev_priv = dev->dev_private; drm_radeon_mem_init_heap_t initheap; struct mem_block **heap; if (!dev_priv) { DRM_ERROR("%s called with no initialization\n", __FUNCTION__); return DRM_ERR(EINVAL); } DRM_COPY_FROM_USER_IOCTL(initheap, (drm_radeon_mem_init_heap_t __user *) data, sizeof(initheap)); heap = get_heap(dev_priv, initheap.region); if (!heap) return DRM_ERR(EFAULT); if (*heap) { DRM_ERROR("heap already initialized?"); return DRM_ERR(EFAULT); } return init_heap(heap, initheap.start, initheap.size); } > 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123
/*
 * Copyright 2004 The Unichrome Project. All Rights Reserved.
 * Copyright 2005 Thomas Hellstrom. All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sub license,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHOR(S), AND/OR THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 *
 * Author: Thomas Hellstrom 2004, 2005.
 * This code was written using docs obtained under NDA from VIA Inc.
 *
 * Don't run this code directly on an AGP buffer. Due to cache problems it will
 * be very slow.
 */

#include "via_3d_reg.h"
#include "drmP.h"
#include "drm.h"
#include "via_drm.h"
#include "via_verifier.h"
#include "via_drv.h"

typedef enum {
	state_command,
	state_header2,
	state_header1,
	state_vheader5,
	state_vheader6,
	state_error
} verifier_state_t;

typedef enum {
	no_check = 0,
	check_for_header2,
	check_for_header1,
	check_for_header2_err,
	check_for_header1_err,
	check_for_fire,
	check_z_buffer_addr0,
	check_z_buffer_addr1,
	check_z_buffer_addr_mode,
	check_destination_addr0,
	check_destination_addr1,
	check_destination_addr_mode,
	check_for_dummy,
	check_for_dd,
	check_texture_addr0,
	check_texture_addr1,
	check_texture_addr2,
	check_texture_addr3,
	check_texture_addr4,
	check_texture_addr5,
	check_texture_addr6,
	check_texture_addr7,
	check_texture_addr8,
	check_texture_addr_mode,
	check_for_vertex_count,
	check_number_texunits,
	forbidden_command
} hazard_t;

/*
 * Associates each hazard above with a possible multi-command
 * sequence. For example an address that is split over multiple
 * commands and that needs to be checked at the first command 
 * that does not include any part of the address.
 */

static drm_via_sequence_t seqs[] = {
	no_sequence,
	no_sequence,
	no_sequence,
	no_sequence,
	no_sequence,
	no_sequence,
	z_address,
	z_address,
	z_address,
	dest_address,
	dest_address,
	dest_address,
	no_sequence,
	no_sequence,
	tex_address,
	tex_address,
	tex_address,
	tex_address,
	tex_address,
	tex_address,
	tex_address,
	tex_address,
	tex_address,
	tex_address,
	no_sequence
};

typedef struct {
	unsigned int code;
	hazard_t hz;
} hz_init_t;

static hz_init_t init_table1[] = {
	{0xf2, check_for_header2_err},
	{0xf0, check_for_header1_err},
	{0xee, check_for_fire},
	{0xcc, check_for_dummy},
	{0xdd, check_for_dd},
	{0x00, no_check},
	{0x10, check_z_buffer_addr0},
	{0x11, check_z_buffer_addr1},
	{0x12, check_z_buffer_addr_mode},
	{0x13, no_check},
	{0x14, no_check},
	{0x15, no_check},
	{0x23, no_check},
	{0x24, no_check},
	{0x33, no_check},
	{0x34, no_check},
	{0x35, no_check},
	{0x36, no_check},
	{0x37, no_check},
	{0x38, no_check},
	{0x39, no_check},
	{0x3A, no_check},
	{0x3B, no_check},
	{0x3C, no_check},
	{0x3D, no_check},
	{0x3E, no_check},
	{0x40, check_destination_addr0},
	{0x41, check_destination_addr1},
	{0x42, check_destination_addr_mode},
	{0x43, no_check},
	{0x44, no_check},
	{0x50, no_check},
	{0x51, no_check},
	{0x52, no_check},
	{0x53, no_check},
	{0x54, no_check},
	{0x55, no_check},
	{0x56, no_check},
	{0x57, no_check},
	{0x58, no_check},
	{0x70, no_check},
	{0x71, no_check},
	{0x78, no_check},
	{0x79, no_check},
	{0x7A, no_check},
	{0x7B, no_check},
	{0x7C, no_check},
	{0x7D, check_for_vertex_count}
};

static hz_init_t init_table2[] = {
	{0xf2, check_for_header2_err},
	{0xf0, check_for_header1_err},
	{0xee, check_for_fire},
	{0xcc, check_for_dummy},
	{0x00, check_texture_addr0},
	{0x01, check_texture_addr0},
	{0x02, check_texture_addr0},
	{0x03, check_texture_addr0},
	{0x04, check_texture_addr0},
	{0x05, check_texture_addr0},
	{0x06, check_texture_addr0},
	{0x07, check_texture_addr0},
	{0x08, check_texture_addr0},
	{0x09, check_texture_addr0},
	{0x20, check_texture_addr1},
	{0x21, check_texture_addr1},
	{0x22, check_texture_addr1},
	{0x23, check_texture_addr4},
	{0x2B, check_texture_addr3},
	{0x2C, check_texture_addr3},
	{0x2D, check_texture_addr3},
	{0x2E, check_texture_addr3},
	{0x2F, check_texture_addr3},
	{0x30, check_texture_addr3},
	{0x31, check_texture_addr3},
	{0x32, check_texture_addr3},
	{0x33, check_texture_addr3},
	{0x34, check_texture_addr3},
	{0x4B, check_texture_addr5},
	{0x4C, check_texture_addr6},
	{0x51, check_texture_addr7},
	{0x52, check_texture_addr8},
	{0x77, check_texture_addr2},
	{0x78, no_check},
	{0x79, no_check},
	{0x7A, no_check},
	{0x7B, check_texture_addr_mode},
	{0x7C, no_check},
	{0x7D, no_check},
	{0x7E, no_check},
	{0x7F, no_check},
	{0x80, no_check},
	{0x81, no_check},
	{0x82, no_check},
	{0x83, no_check},
	{0x85, no_check},
	{0x86, no_check},
	{0x87, no_check},
	{0x88, no_check},
	{0x89, no_check},
	{0x8A, no_check},
	{0x90, no_check},
	{0x91, no_check},
	{0x92, no_check},
	{0x93, no_check}
};

static hz_init_t init_table3[] = {
	{0xf2, check_for_header2_err},
	{0xf0, check_for_header1_err},
	{0xcc, check_for_dummy},
	{0x00, check_number_texunits}
};

static hazard_t table1[256];
static hazard_t table2[256];
static hazard_t table3[256];

static __inline__ int
eat_words(const uint32_t ** buf, const uint32_t * buf_end, unsigned num_words)
{
	if ((buf_end - *buf) >= num_words) {
		*buf += num_words;
		return 0;
	}
	DRM_ERROR("Illegal termination of DMA command buffer\n");
	return 1;
}

/*
 * Partially stolen from drm_memory.h
 */

static __inline__ drm_local_map_t *via_drm_lookup_agp_map(drm_via_state_t * seq,
							  unsigned long offset,
							  unsigned long size,
							  drm_device_t * dev)
{
#ifdef __linux__
	struct list_head *list;
	drm_map_list_t *r_list;
#endif
	drm_local_map_t *map = seq->map_cache;

	if (map && map->offset <= offset
	    && (offset + size) <= (map->offset + map->size)) {
		return map;
	}
#ifdef __linux__
	list_for_each(list, &dev->maplist->head) {
		r_list = (drm_map_list_t *) list;
		map = r_list->map;
		if (!map)
			continue;
#else
	TAILQ_FOREACH(map, &dev->maplist, link) {
#endif
		if (map->offset <= offset
		    && (offset + size) <= (map->offset + map->size)
		    && !(map->flags & _DRM_RESTRICTED)
		    && (map->type == _DRM_AGP)) {
			seq->map_cache = map;
			return map;
		}
	}
	return NULL;
}

/*
 * Require that all AGP texture levels reside in the same AGP map which should 
 * be mappable by the client. This is not a big restriction.
 * FIXME: To actually enforce this security policy strictly, drm_rmmap 
 * would have to wait for dma quiescent before removing an AGP map. 
 * The via_drm_lookup_agp_map call in reality seems to take
 * very little CPU time.
 */

static __inline__ int finish_current_sequence(drm_via_state_t * cur_seq)
{
	switch (cur_seq->unfinished) {
	case z_address:
		DRM_DEBUG("Z Buffer start address is 0x%x\n", cur_seq->z_addr);
		break;
	case dest_address:
		DRM_DEBUG("Destination start address is 0x%x\n",
			  cur_seq->d_addr);
		break;
	case tex_address:
		if (cur_seq->agp_texture) {
			unsigned start =
			    cur_seq->tex_level_lo[cur_seq->texture];
			unsigned end = cur_seq->tex_level_hi[cur_seq->texture];
			unsigned long lo = ~0, hi = 0, tmp;
			uint32_t *addr, *pitch, *height, tex;
			unsigned i;
			int npot;

			if (end > 9)
				end = 9;
			if (start > 9)
				start = 9;

			addr =
			    &(cur_seq->t_addr[tex = cur_seq->texture][start]);
			pitch = &(cur_seq->pitch[tex][start]);
			height = &(cur_seq->height[tex][start]);
			npot = cur_seq->tex_npot[tex];
			for (i = start; i <= end; ++i) {
				tmp = *addr++;
				if (tmp < lo)
					lo = tmp;
				if (i == 0 && npot)
					tmp += (*height++ * *pitch++);
				else
					tmp += (*height++ << *pitch++);
				if (tmp > hi)
					hi = tmp;
			}

			if (!via_drm_lookup_agp_map
			    (cur_seq, lo, hi - lo, cur_seq->dev)) {
				DRM_ERROR
				    ("AGP texture is not in allowed map\n");
				return 2;
			}
		}
		break;
	default:
		break;
	}
	cur_seq->unfinished = no_sequence;
	return 0;
}

static __inline__ int
investigate_hazard(uint32_t cmd, hazard_t hz, drm_via_state_t * cur_seq)
{
	register uint32_t tmp, *tmp_addr;

	if (cur_seq->unfinished && (cur_seq->unfinished != seqs[hz])) {
		int ret;
		if ((ret = finish_current_sequence(cur_seq)))
			return ret;
	}

	switch (hz) {
	case check_for_header2:
		if (cmd == HALCYON_HEADER2)
			return 1;
		return 0;
	case check_for_header1:
		if ((cmd & HALCYON_HEADER1MASK) == HALCYON_HEADER1)
			return 1;
		return 0;
	case check_for_header2_err:
		if (cmd == HALCYON_HEADER2)
			return 1;
		DRM_ERROR("Illegal DMA HALCYON_HEADER2 command\n");
		break;
	case check_for_header1_err:
		if ((cmd & HALCYON_HEADER1MASK) == HALCYON_HEADER1)
			return 1;
		DRM_ERROR("Illegal DMA HALCYON_HEADER1 command\n");
		break;
	case check_for_fire:
		if ((cmd & HALCYON_FIREMASK) == HALCYON_FIRECMD)
			return 1;
		DRM_ERROR("Illegal DMA HALCYON_FIRECMD command\n");
		break;
	case check_for_dummy:
		if (HC_DUMMY == cmd)
			return 0;
		DRM_ERROR("Illegal DMA HC_DUMMY command\n");
		break;
	case check_for_dd:
		if (0xdddddddd == cmd)
			return 0;
		DRM_ERROR("Illegal DMA 0xdddddddd command\n");
		break;
	case check_z_buffer_addr0:
		cur_seq->unfinished = z_address;
		cur_seq->z_addr = (cur_seq->z_addr & 0xFF000000) |
		    (cmd & 0x00FFFFFF);
		return 0;
	case check_z_buffer_addr1:
		cur_seq->unfinished = z_address;
		cur_seq->z_addr = (cur_seq->z_addr & 0x00FFFFFF) |
		    ((cmd & 0xFF) << 24);
		return 0;
	case check_z_buffer_addr_mode:
		cur_seq->unfinished = z_address;
		if ((cmd & 0x0000C000) == 0)
			return 0;
		DRM_ERROR("Attempt to place Z buffer in system memory\n");
		return 2;
	case check_destination_addr0:
		cur_seq->unfinished = dest_address;
		cur_seq->d_addr = (cur_seq->d_addr & 0xFF000000) |
		    (cmd & 0x00FFFFFF);
		return 0;
	case check_destination_addr1:
		cur_seq->unfinished = dest_address;
		cur_seq->d_addr = (cur_seq->d_addr & 0x00FFFFFF) |
		    ((cmd & 0xFF) << 24);
		return 0;
	case check_destination_addr_mode:
		cur_seq->unfinished = dest_address;
		if ((cmd & 0x0000C000) == 0)
			return 0;
		DRM_ERROR
		    ("Attempt to place 3D drawing buffer in system memory\n");
		return 2;
	case check_texture_addr0:
		cur_seq->unfinished = tex_address;
		tmp = (cmd >> 24);
		tmp_addr = &cur_seq->t_addr[cur_seq->texture][tmp];
		*tmp_addr = (*tmp_addr & 0xFF000000) | (cmd & 0x00FFFFFF);
		return 0;
	case check_texture_addr1:
		cur_seq->unfinished = tex_address;
		tmp = ((cmd >> 24) - 0x20);
		tmp += tmp << 1;
		tmp_addr = &cur_seq->t_addr[cur_seq->texture][tmp];
		*tmp_addr = (*tmp_addr & 0x00FFFFFF) | ((cmd & 0xFF) << 24);
		tmp_addr++;
		*tmp_addr = (*tmp_addr & 0x00FFFFFF) | ((cmd & 0xFF00) << 16);
		tmp_addr++;
		*tmp_addr = (*tmp_addr & 0x00FFFFFF) | ((cmd & 0xFF0000) << 8);
		return 0;
	case check_texture_addr2:
		cur_seq->unfinished = tex_address;
		cur_seq->tex_level_lo[tmp = cur_seq->texture] = cmd & 0x3F;
		cur_seq->tex_level_hi[tmp] = (cmd & 0xFC0) >> 6;
		return 0;
	case check_texture_addr3:
		cur_seq->unfinished = tex_address;
		tmp = ((cmd >> 24) - HC_SubA_HTXnL0Pit);
		if (tmp == 0 && 
		    (cmd & HC_HTXnEnPit_MASK)) {
			cur_seq->pitch[cur_seq->texture][tmp] = 
				(cmd & HC_HTXnLnPit_MASK);
			cur_seq->tex_npot[cur_seq->texture] = 1;
		} else {
			cur_seq->pitch[cur_seq->texture][tmp] =
				(cmd & HC_HTXnLnPitE_MASK) >> HC_HTXnLnPitE_SHIFT;
			cur_seq->tex_npot[cur_seq->texture] = 0;			
			if (cmd & 0x000FFFFF) {
				DRM_ERROR
					("Unimplemented texture level 0 pitch mode.\n");
				return 2;
			}
		}
		return 0;
	case check_texture_addr4:
		cur_seq->unfinished = tex_address;
		tmp_addr = &cur_seq->t_addr[cur_seq->texture][9];
		*tmp_addr = (*tmp_addr & 0x00FFFFFF) | ((cmd & 0xFF) << 24);
		return 0;
	case check_texture_addr5:
	case check_texture_addr6:
		cur_seq->unfinished = tex_address;
		/*
		 * Texture width. We don't care since we have the pitch.
		 */
		return 0;
	case check_texture_addr7:
		cur_seq->unfinished = tex_address;
		tmp_addr = &(cur_seq->height[cur_seq->texture][0]);
		tmp_addr[5] = 1 << ((cmd & 0x00F00000) >> 20);
		tmp_addr[4] = 1 << ((cmd & 0x000F0000) >> 16);
		tmp_addr[3] = 1 << ((cmd & 0x0000F000) >> 12);
		tmp_addr[2] = 1 << ((cmd & 0x00000F00) >> 8);
		tmp_addr[1] = 1 << ((cmd & 0x000000F0) >> 4);
		tmp_addr[0] = 1 << (cmd & 0x0000000F);
		return 0;
	case check_texture_addr8:
		cur_seq->unfinished = tex_address;
		tmp_addr = &(cur_seq->height[cur_seq->texture][0]);
		tmp_addr[9] = 1 << ((cmd & 0x0000F000) >> 12);
		tmp_addr[8] = 1 << ((cmd & 0x00000F00) >> 8);
		tmp_addr[7] = 1 << ((cmd & 0x000000F0) >> 4);
		tmp_addr[6] = 1 << (cmd & 0x0000000F);
		return 0;
	case check_texture_addr_mode:
		cur_seq->unfinished = tex_address;
		if (2 == (tmp = cmd & 0x00000003)) {
			DRM_ERROR
			    ("Attempt to fetch texture from system memory.\n");
			return 2;
		}
		cur_seq->agp_texture = (tmp == 3);
		cur_seq->tex_palette_size[cur_seq->texture] =
		    (cmd >> 16) & 0x000000007;
		return 0;
	case check_for_vertex_count:
		cur_seq->vertex_count = cmd & 0x0000FFFF;
		return 0;
	case check_number_texunits:
		cur_seq->multitex = (cmd >> 3) & 1;
		return 0;
	default:
		DRM_ERROR("Illegal DMA data: 0x%x\n", cmd);
		return 2;
	}
	return 2;
}

static __inline__ int
via_check_prim_list(uint32_t const **buffer, const uint32_t * buf_end,
		    drm_via_state_t * cur_seq)
{
	drm_via_private_t *dev_priv =
	    (drm_via_private_t *) cur_seq->dev->dev_private;
	uint32_t a_fire, bcmd, dw_count;
	int ret = 0;
	int have_fire;
	const uint32_t *buf = *buffer;

	while (buf < buf_end) {
		have_fire = 0;
		if ((buf_end - buf) < 2) {
			DRM_ERROR
			    ("Unexpected termination of primitive list.\n");
			ret = 1;
			break;
		}
		if ((*buf & HC_ACMD_MASK) != HC_ACMD_HCmdB)
			break;
		bcmd = *buf++;
		if ((*buf & HC_ACMD_MASK) != HC_ACMD_HCmdA) {
			DRM_ERROR("Expected Vertex List A command, got 0x%x\n",
				  *buf);
			ret = 1;
			break;
		}
		a_fire =
		    *buf++ | HC_HPLEND_MASK | HC_HPMValidN_MASK |
		    HC_HE3Fire_MASK;

		/*
		 * How many dwords per vertex ?
		 */

		if (cur_seq->agp && ((bcmd & (0xF << 11)) == 0)) {
			DRM_ERROR("Illegal B command vertex data for AGP.\n");
			ret = 1;
			break;
		}

		dw_count = 0;
		if (bcmd & (1 << 7))
			dw_count += (cur_seq->multitex) ? 2 : 1;
		if (bcmd & (1 << 8))
			dw_count += (cur_seq->multitex) ? 2 : 1;
		if (bcmd & (1 << 9))
			dw_count++;
		if (bcmd & (1 << 10))
			dw_count++;
		if (bcmd & (1 << 11))
			dw_count++;
		if (bcmd & (1 << 12))
			dw_count++;
		if (bcmd & (1 << 13))
			dw_count++;
		if (bcmd & (1 << 14))
			dw_count++;

		while (buf < buf_end) {
			if (*buf == a_fire) {
				if (dev_priv->num_fire_offsets >=
				    VIA_FIRE_BUF_SIZE) {
					DRM_ERROR("Fire offset buffer full.\n");
					ret = 1;
					break;
				}
				dev_priv->fire_offsets[dev_priv->
						       num_fire_offsets++] =
				    buf;
				have_fire = 1;
				buf++;
				if (buf < buf_end && *buf == a_fire)
					buf++;
				break;
			}
			if ((*buf == HALCYON_HEADER2) ||
			    ((*buf & HALCYON_FIREMASK) == HALCYON_FIRECMD)) {
				DRM_ERROR("Missing Vertex Fire command, "
					  "Stray Vertex Fire command  or verifier "
					  "lost sync.\n");
				ret = 1;
				break;
			}
			if ((ret = eat_words(&buf, buf_end, dw_count)))
				break;
		}
		if (buf >= buf_end && !have_fire) {
			DRM_ERROR("Missing Vertex Fire command or verifier "
				  "lost sync.\n");
			ret = 1;
			break;
		}
		if (cur_seq->agp && ((buf - cur_seq->buf_start) & 0x01)) {
			DRM_ERROR("AGP Primitive list end misaligned.\n");
			ret = 1;
			break;
		}
	}
	*buffer = buf;
	return ret;
}

static __inline__ verifier_state_t
via_check_header2(uint32_t const **buffer, const uint32_t * buf_end,
		  drm_via_state_t * hc_state)
{
	uint32_t cmd;
	int hz_mode;
	hazard_t hz;
	const uint32_t *buf = *buffer;
	const hazard_t *hz_table;

	if ((buf_end - buf) < 2) {
		DRM_ERROR
		    ("Illegal termination of DMA HALCYON_HEADER2 sequence.\n");
		return state_error;
	}
	buf++;
	cmd = (*buf++ & 0xFFFF0000) >> 16;

	switch (cmd) {
	case HC_ParaType_CmdVdata:
		if (via_check_prim_list(&buf, buf_end, hc_state))
			return state_error;
		*buffer = buf;
		return state_command;
	case HC_ParaType_NotTex:
		hz_table = table1;
		break;
	case HC_ParaType_Tex:
		hc_state->texture = 0;
		hz_table = table2;
		break;
	case (HC_ParaType_Tex | (HC_SubType_Tex1 << 8)):
		hc_state->texture = 1;
		hz_table = table2;
		break;
	case (HC_ParaType_Tex | (HC_SubType_TexGeneral << 8)):
		hz_table = table3;
		break;
	case HC_ParaType_Auto:
		if (eat_words(&buf, buf_end, 2))
			return state_error;
		*buffer = buf;
		return state_command;
	case (HC_ParaType_Palette | (HC_SubType_Stipple << 8)):
		if (eat_words(&buf, buf_end, 32))
			return state_error;
		*buffer = buf;
		return state_command;
	case (HC_ParaType_Palette | (HC_SubType_TexPalette0 << 8)):
	case (HC_ParaType_Palette | (HC_SubType_TexPalette1 << 8)):
		DRM_ERROR("Texture palettes are rejected because of "
			  "lack of info how to determine their size.\n");
		return state_error;
	case (HC_ParaType_Palette | (HC_SubType_FogTable << 8)):
		DRM_ERROR("Fog factor palettes are rejected because of "
			  "lack of info how to determine their size.\n");
		return state_error;
	default:

		/*
		 * There are some unimplemented HC_ParaTypes here, that
		 * need to be implemented if the Mesa driver is extended.
		 */

		DRM_ERROR("Invalid or unimplemented HALCYON_HEADER2 "
			  "DMA subcommand: 0x%x. Previous dword: 0x%x\n",
			  cmd, *(buf - 2));
		*buffer = buf;
		return state_error;
	}

	while (buf < buf_end) {
		cmd = *buf++;
		if ((hz = hz_table[cmd >> 24])) {
			if ((hz_mode = investigate_hazard(cmd, hz, hc_state))) {
				if (hz_mode == 1) {
					buf--;
					break;
				}
				return state_error;
			}
		} else if (hc_state->unfinished &&
			   finish_current_sequence(hc_state)) {
			return state_error;
		}
	}
	if (hc_state->unfinished && finish_current_sequence(hc_state)) {
		return state_error;
	}
	*buffer = buf;
	return state_command;
}

static __inline__ verifier_state_t
via_parse_header2(drm_via_private_t * dev_priv, uint32_t const **buffer,
		  const uint32_t * buf_end, int *fire_count)
{
	uint32_t cmd;
	const uint32_t *buf = *buffer;
	const uint32_t *next_fire;
	int burst = 0;

	next_fire = dev_priv->fire_offsets[*fire_count];
	buf++;
	cmd = (*buf & 0xFFFF0000) >> 16;
	VIA_WRITE(HC_REG_TRANS_SET + HC_REG_BASE, *buf++);
	switch (cmd) {
	case HC_ParaType_CmdVdata:
		while ((buf < buf_end) &&
		       (*fire_count < dev_priv->num_fire_offsets) &&
		       (*buf & HC_ACMD_MASK) == HC_ACMD_HCmdB) {
			while (buf <= next_fire) {
				VIA_WRITE(HC_REG_TRANS_SPACE + HC_REG_BASE +
					  (burst & 63), *buf++);
				burst += 4;
			}
			if ((buf < buf_end)
			    && ((*buf & HALCYON_FIREMASK) == HALCYON_FIRECMD))
				buf++;

			if (++(*fire_count) < dev_priv->num_fire_offsets)
				next_fire = dev_priv->fire_offsets[*fire_count];
		}
		break;
	default:
		while (buf < buf_end) {

			if (*buf == HC_HEADER2 ||
			    (*buf & HALCYON_HEADER1MASK) == HALCYON_HEADER1 ||
			    (*buf & VIA_VIDEOMASK) == VIA_VIDEO_HEADER5 ||
			    (*buf & VIA_VIDEOMASK) == VIA_VIDEO_HEADER6)
				break;

			VIA_WRITE(HC_REG_TRANS_SPACE + HC_REG_BASE +
				  (burst & 63), *buf++);
			burst += 4;
		}
	}
	*buffer = buf;
	return state_command;
}

static __inline__ int verify_mmio_address(uint32_t address)
{
	if ((address > 0x3FF) && (address < 0xC00)) {
		DRM_ERROR("Invalid VIDEO DMA command. "
			  "Attempt to access 3D- or command burst area.\n");
		return 1;
	} else if ((address > 0xCFF) && (address < 0x1300)) {
		DRM_ERROR("Invalid VIDEO DMA command. "
			  "Attempt to access PCI DMA area.\n");
		return 1;
	} else if (address > 0x13FF) {
		DRM_ERROR("Invalid VIDEO DMA command. "
			  "Attempt to access VGA registers.\n");
		return 1;
	}
	return 0;
}

static __inline__ int
verify_video_tail(uint32_t const **buffer, const uint32_t * buf_end,
		  uint32_t dwords)
{
	const uint32_t *buf = *buffer;

	if (buf_end - buf < dwords) {
		DRM_ERROR("Illegal termination of video command.\n");
		return 1;
	}
	while (dwords--) {
		if (*buf++) {
			DRM_ERROR("Illegal video command tail.\n");
			return 1;
		}
	}
	*buffer = buf;
	return 0;
}

static __inline__ verifier_state_t
via_check_header1(uint32_t const **buffer, const uint32_t * buf_end)
{
	uint32_t cmd;
	const uint32_t *buf = *buffer;
	verifier_state_t ret = state_command;

	while (buf < buf_end) {
		cmd = *buf;
		if ((cmd > ((0x3FF >> 2) | HALCYON_HEADER1)) &&
		    (cmd < ((0xC00 >> 2) | HALCYON_HEADER1))) {
			if ((cmd & HALCYON_HEADER1MASK) != HALCYON_HEADER1)
				break;
			DRM_ERROR("Invalid HALCYON_HEADER1 command. "
				  "Attempt to access 3D- or command burst area.\n");
			ret = state_error;
			break;
		} else if (cmd > ((0xCFF >> 2) | HALCYON_HEADER1)) {
			if ((cmd & HALCYON_HEADER1MASK) != HALCYON_HEADER1)
				break;
			DRM_ERROR("Invalid HALCYON_HEADER1 command. "
				  "Attempt to access VGA registers.\n");
			ret = state_error;
			break;
		} else {
			buf += 2;
		}
	}
	*buffer = buf;
	return ret;
}

static __inline__ verifier_state_t
via_parse_header1(drm_via_private_t * dev_priv, uint32_t const **buffer,
		  const uint32_t * buf_end)
{
	register uint32_t cmd;
	const uint32_t *buf = *buffer;

	while (buf < buf_end) {
		cmd = *buf;
		if ((cmd & HALCYON_HEADER1MASK) != HALCYON_HEADER1)
			break;
		VIA_WRITE((cmd & ~HALCYON_HEADER1MASK) << 2, *++buf);
		buf++;
	}
	*buffer = buf;
	return state_command;
}

static __inline__ verifier_state_t
via_check_vheader5(uint32_t const **buffer, const uint32_t * buf_end)
{
	uint32_t data;
	const uint32_t *buf = *buffer;

	if (buf_end - buf < 4) {
		DRM_ERROR("Illegal termination of video header5 command\n");
		return state_error;
	}

	data = *buf++ & ~VIA_VIDEOMASK;
	if (verify_mmio_address(data))
		return state_error;

	data = *buf++;
	if (*buf++ != 0x00F50000) {
		DRM_ERROR("Illegal header5 header data\n");
		return state_error;
	}
	if (*buf++ != 0x00000000) {
		DRM_ERROR("Illegal header5 header data\n");
		return state_error;
	}
	if (eat_words(&buf, buf_end, data))
		return state_error;
	if ((data & 3) && verify_video_tail(&buf, buf_end, 4 - (data & 3)))
		return state_error;
	*buffer = buf;
	return state_command;

}

static __inline__ verifier_state_t
via_parse_vheader5(drm_via_private_t * dev_priv, uint32_t const **buffer,
		   const uint32_t * buf_end)
{
	uint32_t addr, count, i;
	const uint32_t *buf = *buffer;

	addr = *buf++ & ~VIA_VIDEOMASK;
	i = count = *buf;
	buf += 3;
	while (i--) {
		VIA_WRITE(addr, *buf++);
	}
	if (count & 3)
		buf += 4 - (count & 3);
	*buffer = buf;
	return state_command;
}

static __inline__ verifier_state_t
via_check_vheader6(uint32_t const **buffer, const uint32_t * buf_end)
{
	uint32_t data;
	const uint32_t *buf = *buffer;
	uint32_t i;

	if (buf_end - buf < 4) {
		DRM_ERROR("Illegal termination of video header6 command\n");
		return state_error;
	}
	buf++;
	data = *buf++;
	if (*buf++ != 0x00F60000) {
		DRM_ERROR("Illegal header6 header data\n");
		return state_error;
	}
	if (*buf++ != 0x00000000) {
		DRM_ERROR("Illegal header6 header data\n");
		return state_error;
	}
	if ((buf_end - buf) < (data << 1)) {
		DRM_ERROR("Illegal termination of video header6 command\n");
		return state_error;
	}
	for (i = 0; i < data; ++i) {
		if (verify_mmio_address(*buf++))
			return state_error;
		buf++;
	}
	data <<= 1;
	if ((data & 3) && verify_video_tail(&buf, buf_end, 4 - (data & 3)))
		return state_error;
	*buffer = buf;
	return state_command;
}

static __inline__ verifier_state_t
via_parse_vheader6(drm_via_private_t * dev_priv, uint32_t const **buffer,
		   const uint32_t * buf_end)
{

	uint32_t addr, count, i;
	const uint32_t *buf = *buffer;

	i = count = *++buf;
	buf += 3;
	while (i--) {
		addr = *buf++;
		VIA_WRITE(addr, *buf++);
	}
	count <<= 1;
	if (count & 3)
		buf += 4 - (count & 3);
	*buffer = buf;
	return state_command;
}

int
via_verify_command_stream(const uint32_t * buf, unsigned int size,
			  drm_device_t * dev, int agp)
{

	drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
	drm_via_state_t *hc_state = &dev_priv->hc_state;
	drm_via_state_t saved_state = *hc_state;
	uint32_t cmd;
	const uint32_t *buf_end = buf + (size >> 2);
	verifier_state_t state = state_command;
	int cme_video;
	int supported_3d;

	cme_video = (dev_priv->chipset == VIA_PRO_GROUP_A ||
		     dev_priv->chipset == VIA_DX9_0);

	supported_3d = dev_priv->chipset != VIA_DX9_0;

	hc_state->dev = dev;
	hc_state->unfinished = no_sequence;
	hc_state->map_cache = NULL;
	hc_state->agp = agp;
	hc_state->buf_start = buf;
	dev_priv->num_fire_offsets = 0;

	while (buf < buf_end) {

		switch (state) {
		case state_header2:
			state = via_check_header2(&buf, buf_end, hc_state);
			break;
		case state_header1:
			state = via_check_header1(&buf, buf_end);
			break;
		case state_vheader5:
			state = via_check_vheader5(&buf, buf_end);
			break;
		case state_vheader6:
			state = via_check_vheader6(&buf, buf_end);
			break;
		case state_command:
			if ((HALCYON_HEADER2 == (cmd = *buf)) && 
			    supported_3d)
				state = state_header2;
			else if ((cmd & HALCYON_HEADER1MASK) == HALCYON_HEADER1)
				state = state_header1;
			else if (cme_video
				 && (cmd & VIA_VIDEOMASK) == VIA_VIDEO_HEADER5)
				state = state_vheader5;
			else if (cme_video
				 && (cmd & VIA_VIDEOMASK) == VIA_VIDEO_HEADER6)
				state = state_vheader6;
			else if ((cmd == HALCYON_HEADER2) && !supported_3d) {
				DRM_ERROR("Accelerated 3D is not supported on this chipset yet.\n");
				state = state_error;
			} else {
				DRM_ERROR
				    ("Invalid / Unimplemented DMA HEADER command. 0x%x\n",
				     cmd);
				state = state_error;
			}
			break;
		case state_error:
		default:
			*hc_state = saved_state;
			return DRM_ERR(EINVAL);
		}
	}
	if (state == state_error) {
		*hc_state = saved_state;
		return DRM_ERR(EINVAL);
	}
	return 0;
}

int
via_parse_command_stream(drm_device_t * dev, const uint32_t * buf,
			 unsigned int size)
{

	drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
	uint32_t cmd;
	const uint32_t *buf_end = buf + (size >> 2);
	verifier_state_t state = state_command;
	int fire_count = 0;

	while (buf < buf_end) {

		switch (state) {
		case state_header2:
			state =
			    via_parse_header2(dev_priv, &buf, buf_end,
					      &fire_count);
			break;
		case state_header1:
			state = via_parse_header1(dev_priv, &buf, buf_end);
			break;
		case state_vheader5:
			state = via_parse_vheader5(dev_priv, &buf, buf_end);
			break;
		case state_vheader6:
			state = via_parse_vheader6(dev_priv, &buf, buf_end);
			break;
		case state_command:
			if (HALCYON_HEADER2 == (cmd = *buf))
				state = state_header2;
			else if ((cmd & HALCYON_HEADER1MASK) == HALCYON_HEADER1)
				state = state_header1;
			else if ((cmd & VIA_VIDEOMASK) == VIA_VIDEO_HEADER5)
				state = state_vheader5;
			else if ((cmd & VIA_VIDEOMASK) == VIA_VIDEO_HEADER6)
				state = state_vheader6;
			else {
				DRM_ERROR
				    ("Invalid / Unimplemented DMA HEADER command. 0x%x\n",
				     cmd);
				state = state_error;
			}
			break;
		case state_error:
		default:
			return DRM_ERR(EINVAL);
		}
	}
	if (state == state_error) {
		return DRM_ERR(EINVAL);
	}
	return 0;
}

static void
setup_hazard_table(hz_init_t init_table[], hazard_t table[], int size)
{
	int i;

	for (i = 0; i < 256; ++i) {
		table[i] = forbidden_command;
	}

	for (i = 0; i < size; ++i) {
		table[init_table[i].code] = init_table[i].hz;
	}
}

void via_init_command_verifier(void)
{
	setup_hazard_table(init_table1, table1,
			   sizeof(init_table1) / sizeof(hz_init_t));
	setup_hazard_table(init_table2, table2,
			   sizeof(init_table2) / sizeof(hz_init_t));
	setup_hazard_table(init_table3, table3,
			   sizeof(init_table3) / sizeof(hz_init_t));
}