2 * Copyright © 2016 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
33 #include <util/macros.h>
34 #include <util/ralloc.h>
36 #include "gen_decoder.h"
38 #include "genxml/genX_xml.h"
40 #define XML_BUFFER_SIZE 4096
47 struct parser_context
{
53 struct gen_group
*group
;
54 struct gen_enum
*enoom
;
57 struct gen_value
*values
[256];
59 struct gen_field
*fields
[256];
62 struct gen_spec
*spec
;
66 gen_group_get_name(struct gen_group
*group
)
72 gen_group_get_opcode(struct gen_group
*group
)
78 gen_spec_find_struct(struct gen_spec
*spec
, const char *name
)
80 for (int i
= 0; i
< spec
->nstructs
; i
++)
81 if (strcmp(spec
->structs
[i
]->name
, name
) == 0)
82 return spec
->structs
[i
];
88 gen_spec_find_register(struct gen_spec
*spec
, uint32_t offset
)
90 for (int i
= 0; i
< spec
->nregisters
; i
++)
91 if (spec
->registers
[i
]->register_offset
== offset
)
92 return spec
->registers
[i
];
98 gen_spec_find_register_by_name(struct gen_spec
*spec
, const char *name
)
100 for (int i
= 0; i
< spec
->nregisters
; i
++) {
101 if (strcmp(spec
->registers
[i
]->name
, name
) == 0)
102 return spec
->registers
[i
];
109 gen_spec_find_enum(struct gen_spec
*spec
, const char *name
)
111 for (int i
= 0; i
< spec
->nenums
; i
++)
112 if (strcmp(spec
->enums
[i
]->name
, name
) == 0)
113 return spec
->enums
[i
];
119 gen_spec_get_gen(struct gen_spec
*spec
)
124 static void __attribute__((noreturn
))
125 fail(struct location
*loc
, const char *msg
, ...)
130 fprintf(stderr
, "%s:%d: error: ",
131 loc
->filename
, loc
->line_number
);
132 vfprintf(stderr
, msg
, ap
);
133 fprintf(stderr
, "\n");
139 fail_on_null(void *p
)
142 fprintf(stderr
, "aubinator: out of memory\n");
150 xstrdup(const char *s
)
152 return fail_on_null(strdup(s
));
164 return fail_on_null(zalloc(s
));
168 get_group_offset_count(const char **atts
, uint32_t *offset
, uint32_t *count
,
169 uint32_t *size
, bool *variable
)
174 for (i
= 0; atts
[i
]; i
+= 2) {
175 if (strcmp(atts
[i
], "count") == 0) {
176 *count
= strtoul(atts
[i
+ 1], &p
, 0);
179 } else if (strcmp(atts
[i
], "start") == 0) {
180 *offset
= strtoul(atts
[i
+ 1], &p
, 0);
181 } else if (strcmp(atts
[i
], "size") == 0) {
182 *size
= strtoul(atts
[i
+ 1], &p
, 0);
188 static struct gen_group
*
189 create_group(struct parser_context
*ctx
,
192 struct gen_group
*parent
)
194 struct gen_group
*group
;
196 group
= xzalloc(sizeof(*group
));
198 group
->name
= xstrdup(name
);
200 group
->spec
= ctx
->spec
;
201 group
->group_offset
= 0;
202 group
->group_count
= 0;
203 group
->variable
= false;
206 group
->parent
= parent
;
207 get_group_offset_count(atts
,
208 &group
->group_offset
,
217 static struct gen_enum
*
218 create_enum(struct parser_context
*ctx
, const char *name
, const char **atts
)
222 e
= xzalloc(sizeof(*e
));
224 e
->name
= xstrdup(name
);
232 get_register_offset(const char **atts
, uint32_t *offset
)
237 for (i
= 0; atts
[i
]; i
+= 2) {
238 if (strcmp(atts
[i
], "num") == 0)
239 *offset
= strtoul(atts
[i
+ 1], &p
, 0);
245 get_start_end_pos(int *start
, int *end
)
247 /* start value has to be mod with 32 as we need the relative
248 * start position in the first DWord. For the end position, add
249 * the length of the field to the start position to get the
250 * relative postion in the 64 bit address.
252 if (*end
- *start
> 32) {
253 int len
= *end
- *start
;
254 *start
= *start
% 32;
257 *start
= *start
% 32;
264 static inline uint64_t
265 mask(int start
, int end
)
269 v
= ~0ULL >> (63 - end
+ start
);
274 static inline uint64_t
275 field(uint64_t value
, int start
, int end
)
277 get_start_end_pos(&start
, &end
);
278 return (value
& mask(start
, end
)) >> (start
);
281 static inline uint64_t
282 field_address(uint64_t value
, int start
, int end
)
284 /* no need to right shift for address/offset */
285 get_start_end_pos(&start
, &end
);
286 return (value
& mask(start
, end
));
289 static struct gen_type
290 string_to_type(struct parser_context
*ctx
, const char *s
)
296 if (strcmp(s
, "int") == 0)
297 return (struct gen_type
) { .kind
= GEN_TYPE_INT
};
298 else if (strcmp(s
, "uint") == 0)
299 return (struct gen_type
) { .kind
= GEN_TYPE_UINT
};
300 else if (strcmp(s
, "bool") == 0)
301 return (struct gen_type
) { .kind
= GEN_TYPE_BOOL
};
302 else if (strcmp(s
, "float") == 0)
303 return (struct gen_type
) { .kind
= GEN_TYPE_FLOAT
};
304 else if (strcmp(s
, "address") == 0)
305 return (struct gen_type
) { .kind
= GEN_TYPE_ADDRESS
};
306 else if (strcmp(s
, "offset") == 0)
307 return (struct gen_type
) { .kind
= GEN_TYPE_OFFSET
};
308 else if (sscanf(s
, "u%d.%d", &i
, &f
) == 2)
309 return (struct gen_type
) { .kind
= GEN_TYPE_UFIXED
, .i
= i
, .f
= f
};
310 else if (sscanf(s
, "s%d.%d", &i
, &f
) == 2)
311 return (struct gen_type
) { .kind
= GEN_TYPE_SFIXED
, .i
= i
, .f
= f
};
312 else if (g
= gen_spec_find_struct(ctx
->spec
, s
), g
!= NULL
)
313 return (struct gen_type
) { .kind
= GEN_TYPE_STRUCT
, .gen_struct
= g
};
314 else if (e
= gen_spec_find_enum(ctx
->spec
, s
), e
!= NULL
)
315 return (struct gen_type
) { .kind
= GEN_TYPE_ENUM
, .gen_enum
= e
};
316 else if (strcmp(s
, "mbo") == 0)
317 return (struct gen_type
) { .kind
= GEN_TYPE_MBO
};
319 fail(&ctx
->loc
, "invalid type: %s", s
);
322 static struct gen_field
*
323 create_field(struct parser_context
*ctx
, const char **atts
)
325 struct gen_field
*field
;
329 field
= xzalloc(sizeof(*field
));
331 for (i
= 0; atts
[i
]; i
+= 2) {
332 if (strcmp(atts
[i
], "name") == 0)
333 field
->name
= xstrdup(atts
[i
+ 1]);
334 else if (strcmp(atts
[i
], "start") == 0)
335 field
->start
= strtoul(atts
[i
+ 1], &p
, 0);
336 else if (strcmp(atts
[i
], "end") == 0) {
337 field
->end
= strtoul(atts
[i
+ 1], &p
, 0);
338 } else if (strcmp(atts
[i
], "type") == 0)
339 field
->type
= string_to_type(ctx
, atts
[i
+ 1]);
340 else if (strcmp(atts
[i
], "default") == 0 &&
341 field
->start
>= 16 && field
->end
<= 31) {
342 field
->has_default
= true;
343 field
->default_value
= strtoul(atts
[i
+ 1], &p
, 0);
350 static struct gen_value
*
351 create_value(struct parser_context
*ctx
, const char **atts
)
353 struct gen_value
*value
= xzalloc(sizeof(*value
));
355 for (int i
= 0; atts
[i
]; i
+= 2) {
356 if (strcmp(atts
[i
], "name") == 0)
357 value
->name
= xstrdup(atts
[i
+ 1]);
358 else if (strcmp(atts
[i
], "value") == 0)
359 value
->value
= strtoul(atts
[i
+ 1], NULL
, 0);
365 static struct gen_field
*
366 create_and_append_field(struct parser_context
*ctx
,
369 struct gen_field
*field
= create_field(ctx
, atts
);
370 struct gen_field
*prev
= NULL
, *list
= ctx
->group
->fields
;
372 while (list
&& field
->start
> list
->start
) {
379 ctx
->group
->fields
= field
;
387 start_element(void *data
, const char *element_name
, const char **atts
)
389 struct parser_context
*ctx
= data
;
391 const char *name
= NULL
;
392 const char *gen
= NULL
;
394 ctx
->loc
.line_number
= XML_GetCurrentLineNumber(ctx
->parser
);
396 for (i
= 0; atts
[i
]; i
+= 2) {
397 if (strcmp(atts
[i
], "name") == 0)
399 else if (strcmp(atts
[i
], "gen") == 0)
403 if (strcmp(element_name
, "genxml") == 0) {
405 fail(&ctx
->loc
, "no platform name given");
407 fail(&ctx
->loc
, "no gen given");
409 ctx
->platform
= xstrdup(name
);
411 int n
= sscanf(gen
, "%d.%d", &major
, &minor
);
413 fail(&ctx
->loc
, "invalid gen given: %s", gen
);
417 ctx
->spec
->gen
= gen_make_gen(major
, minor
);
418 } else if (strcmp(element_name
, "instruction") == 0 ||
419 strcmp(element_name
, "struct") == 0) {
420 ctx
->group
= create_group(ctx
, name
, atts
, NULL
);
421 } else if (strcmp(element_name
, "register") == 0) {
422 ctx
->group
= create_group(ctx
, name
, atts
, NULL
);
423 get_register_offset(atts
, &ctx
->group
->register_offset
);
424 } else if (strcmp(element_name
, "group") == 0) {
425 struct gen_group
*previous_group
= ctx
->group
;
426 while (previous_group
->next
)
427 previous_group
= previous_group
->next
;
429 struct gen_group
*group
= create_group(ctx
, "", atts
, ctx
->group
);
430 previous_group
->next
= group
;
432 } else if (strcmp(element_name
, "field") == 0) {
433 ctx
->fields
[ctx
->nfields
++] = create_and_append_field(ctx
, atts
);
434 } else if (strcmp(element_name
, "enum") == 0) {
435 ctx
->enoom
= create_enum(ctx
, name
, atts
);
436 } else if (strcmp(element_name
, "value") == 0) {
437 ctx
->values
[ctx
->nvalues
++] = create_value(ctx
, atts
);
438 assert(ctx
->nvalues
< ARRAY_SIZE(ctx
->values
));
444 end_element(void *data
, const char *name
)
446 struct parser_context
*ctx
= data
;
447 struct gen_spec
*spec
= ctx
->spec
;
449 if (strcmp(name
, "instruction") == 0 ||
450 strcmp(name
, "struct") == 0 ||
451 strcmp(name
, "register") == 0) {
452 struct gen_group
*group
= ctx
->group
;
453 struct gen_field
*list
= group
->fields
;
455 ctx
->group
= ctx
->group
->parent
;
457 while (list
&& list
->end
<= 31) {
458 if (list
->start
>= 16 && list
->has_default
) {
459 group
->opcode_mask
|=
460 mask(list
->start
% 32, list
->end
% 32);
461 group
->opcode
|= list
->default_value
<< list
->start
;
466 if (strcmp(name
, "instruction") == 0)
467 spec
->commands
[spec
->ncommands
++] = group
;
468 else if (strcmp(name
, "struct") == 0)
469 spec
->structs
[spec
->nstructs
++] = group
;
470 else if (strcmp(name
, "register") == 0)
471 spec
->registers
[spec
->nregisters
++] = group
;
473 assert(spec
->ncommands
< ARRAY_SIZE(spec
->commands
));
474 assert(spec
->nstructs
< ARRAY_SIZE(spec
->structs
));
475 assert(spec
->nregisters
< ARRAY_SIZE(spec
->registers
));
476 } else if (strcmp(name
, "group") == 0) {
477 ctx
->group
= ctx
->group
->parent
;
478 } else if (strcmp(name
, "field") == 0) {
479 struct gen_field
*field
= ctx
->fields
[ctx
->nfields
- 1];
480 size_t size
= ctx
->nvalues
* sizeof(ctx
->values
[0]);
482 assert(ctx
->nfields
>= 0);
483 field
->inline_enum
.values
= xzalloc(size
);
484 field
->inline_enum
.nvalues
= ctx
->nvalues
;
485 memcpy(field
->inline_enum
.values
, ctx
->values
, size
);
487 } else if (strcmp(name
, "enum") == 0) {
488 struct gen_enum
*e
= ctx
->enoom
;
489 size_t size
= ctx
->nvalues
* sizeof(ctx
->values
[0]);
490 e
->values
= xzalloc(size
);
491 e
->nvalues
= ctx
->nvalues
;
492 memcpy(e
->values
, ctx
->values
, size
);
495 spec
->enums
[spec
->nenums
++] = e
;
500 character_data(void *data
, const XML_Char
*s
, int len
)
505 devinfo_to_gen(const struct gen_device_info
*devinfo
)
507 int value
= 10 * devinfo
->gen
;
509 if (devinfo
->is_baytrail
|| devinfo
->is_haswell
)
515 static uint32_t zlib_inflate(const void *compressed_data
,
516 uint32_t compressed_len
,
519 struct z_stream_s zstream
;
522 memset(&zstream
, 0, sizeof(zstream
));
524 zstream
.next_in
= (unsigned char *)compressed_data
;
525 zstream
.avail_in
= compressed_len
;
527 if (inflateInit(&zstream
) != Z_OK
)
531 zstream
.next_out
= out
;
532 zstream
.avail_out
= 4096;
535 switch (inflate(&zstream
, Z_SYNC_FLUSH
)) {
541 inflateEnd(&zstream
);
545 if (zstream
.avail_out
)
548 out
= realloc(out
, 2*zstream
.total_out
);
550 inflateEnd(&zstream
);
554 zstream
.next_out
= (unsigned char *)out
+ zstream
.total_out
;
555 zstream
.avail_out
= zstream
.total_out
;
558 inflateEnd(&zstream
);
560 return zstream
.total_out
;
564 gen_spec_load(const struct gen_device_info
*devinfo
)
566 struct parser_context ctx
;
568 uint8_t *text_data
= NULL
;
569 uint32_t text_offset
= 0, text_length
= 0, total_length
;
570 uint32_t gen_10
= devinfo_to_gen(devinfo
);
572 for (int i
= 0; i
< ARRAY_SIZE(genxml_files_table
); i
++) {
573 if (genxml_files_table
[i
].gen_10
== gen_10
) {
574 text_offset
= genxml_files_table
[i
].offset
;
575 text_length
= genxml_files_table
[i
].length
;
580 if (text_length
== 0) {
581 fprintf(stderr
, "unable to find gen (%u) data\n", gen_10
);
585 memset(&ctx
, 0, sizeof ctx
);
586 ctx
.parser
= XML_ParserCreate(NULL
);
587 XML_SetUserData(ctx
.parser
, &ctx
);
588 if (ctx
.parser
== NULL
) {
589 fprintf(stderr
, "failed to create parser\n");
593 XML_SetElementHandler(ctx
.parser
, start_element
, end_element
);
594 XML_SetCharacterDataHandler(ctx
.parser
, character_data
);
596 ctx
.spec
= xzalloc(sizeof(*ctx
.spec
));
598 total_length
= zlib_inflate(compress_genxmls
,
599 sizeof(compress_genxmls
),
600 (void **) &text_data
);
601 assert(text_offset
+ text_length
<= total_length
);
603 buf
= XML_GetBuffer(ctx
.parser
, text_length
);
604 memcpy(buf
, &text_data
[text_offset
], text_length
);
606 if (XML_ParseBuffer(ctx
.parser
, text_length
, true) == 0) {
608 "Error parsing XML at line %ld col %ld byte %ld/%u: %s\n",
609 XML_GetCurrentLineNumber(ctx
.parser
),
610 XML_GetCurrentColumnNumber(ctx
.parser
),
611 XML_GetCurrentByteIndex(ctx
.parser
), text_length
,
612 XML_ErrorString(XML_GetErrorCode(ctx
.parser
)));
613 XML_ParserFree(ctx
.parser
);
618 XML_ParserFree(ctx
.parser
);
625 gen_spec_load_from_path(const struct gen_device_info
*devinfo
,
628 struct parser_context ctx
;
629 size_t len
, filename_len
= strlen(path
) + 20;
630 char *filename
= malloc(filename_len
);
634 len
= snprintf(filename
, filename_len
, "%s/gen%i.xml",
635 path
, devinfo_to_gen(devinfo
));
636 assert(len
< filename_len
);
638 input
= fopen(filename
, "r");
640 fprintf(stderr
, "failed to open xml description\n");
645 memset(&ctx
, 0, sizeof ctx
);
646 ctx
.parser
= XML_ParserCreate(NULL
);
647 XML_SetUserData(ctx
.parser
, &ctx
);
648 if (ctx
.parser
== NULL
) {
649 fprintf(stderr
, "failed to create parser\n");
655 XML_SetElementHandler(ctx
.parser
, start_element
, end_element
);
656 XML_SetCharacterDataHandler(ctx
.parser
, character_data
);
657 ctx
.loc
.filename
= filename
;
658 ctx
.spec
= xzalloc(sizeof(*ctx
.spec
));
661 buf
= XML_GetBuffer(ctx
.parser
, XML_BUFFER_SIZE
);
662 len
= fread(buf
, 1, XML_BUFFER_SIZE
, input
);
664 fprintf(stderr
, "fread: %m\n");
669 if (XML_ParseBuffer(ctx
.parser
, len
, len
== 0) == 0) {
671 "Error parsing XML at line %ld col %ld: %s\n",
672 XML_GetCurrentLineNumber(ctx
.parser
),
673 XML_GetCurrentColumnNumber(ctx
.parser
),
674 XML_ErrorString(XML_GetErrorCode(ctx
.parser
)));
682 XML_ParserFree(ctx
.parser
);
691 gen_spec_find_instruction(struct gen_spec
*spec
, const uint32_t *p
)
693 for (int i
= 0; i
< spec
->ncommands
; i
++) {
694 uint32_t opcode
= *p
& spec
->commands
[i
]->opcode_mask
;
695 if (opcode
== spec
->commands
[i
]->opcode
)
696 return spec
->commands
[i
];
703 gen_group_get_length(struct gen_group
*group
, const uint32_t *p
)
706 uint32_t type
= field(h
, 29, 31);
710 uint32_t opcode
= field(h
, 23, 28);
714 return field(h
, 0, 7) + 2;
719 return field(h
, 0, 7) + 2;
722 case 3: /* Render */ {
723 uint32_t subtype
= field(h
, 27, 28);
724 uint32_t opcode
= field(h
, 24, 26);
725 uint16_t whole_opcode
= field(h
, 16, 31);
728 if (whole_opcode
== 0x6104 /* PIPELINE_SELECT_965 */)
731 return field(h
, 0, 7) + 2;
741 return field(h
, 0, 7) + 2;
743 return field(h
, 0, 15) + 2;
748 if (whole_opcode
== 0x780b)
751 return field(h
, 0, 7) + 2;
762 gen_get_enum_name(struct gen_enum
*e
, uint64_t value
)
764 for (int i
= 0; i
< e
->nvalues
; i
++) {
765 if (e
->values
[i
]->value
== value
) {
766 return e
->values
[i
]->name
;
773 iter_more_fields(const struct gen_field_iterator
*iter
)
775 return iter
->field
!= NULL
&& iter
->field
->next
!= NULL
;
779 iter_group_offset_bits(const struct gen_field_iterator
*iter
,
782 return iter
->group
->group_offset
+ (group_iter
* iter
->group
->group_size
);
786 iter_more_groups(const struct gen_field_iterator
*iter
)
788 if (iter
->group
->variable
) {
789 return iter_group_offset_bits(iter
, iter
->group_iter
+ 1) <
790 (gen_group_get_length(iter
->group
, iter
->p
) * 32);
792 return (iter
->group_iter
+ 1) < iter
->group
->group_count
||
793 iter
->group
->next
!= NULL
;
798 iter_advance_group(struct gen_field_iterator
*iter
)
800 if (iter
->group
->variable
)
803 if ((iter
->group_iter
+ 1) < iter
->group
->group_count
) {
806 iter
->group
= iter
->group
->next
;
807 iter
->group_iter
= 0;
811 iter
->field
= iter
->group
->fields
;
815 iter_advance_field(struct gen_field_iterator
*iter
)
817 while (!iter_more_fields(iter
)) {
818 if (!iter_more_groups(iter
))
821 iter_advance_group(iter
);
824 iter
->field
= iter
->field
->next
;
825 if (iter
->field
->name
)
826 strncpy(iter
->name
, iter
->field
->name
, sizeof(iter
->name
));
828 memset(iter
->name
, 0, sizeof(iter
->name
));
830 int group_member_offset
= iter_group_offset_bits(iter
, iter
->group_iter
);
832 iter
->start
= group_member_offset
+ iter
->field
->start
;
833 iter
->end
= group_member_offset
+ iter
->field
->end
;
834 iter
->dword
= iter
->start
/ 32;
835 iter
->struct_desc
= NULL
;
841 gen_field_iterator_next(struct gen_field_iterator
*iter
)
848 if (!iter_advance_field(iter
))
851 if ((iter
->end
- iter
->start
) > 32)
852 v
.qw
= ((uint64_t) iter
->p
[iter
->dword
+1] << 32) | iter
->p
[iter
->dword
];
854 v
.qw
= iter
->p
[iter
->dword
];
856 const char *enum_name
= NULL
;
858 switch (iter
->field
->type
.kind
) {
859 case GEN_TYPE_UNKNOWN
:
861 uint64_t value
= field(v
.qw
, iter
->start
, iter
->end
);
862 snprintf(iter
->value
, sizeof(iter
->value
), "%"PRId64
, value
);
863 enum_name
= gen_get_enum_name(&iter
->field
->inline_enum
, value
);
866 case GEN_TYPE_UINT
: {
867 uint64_t value
= field(v
.qw
, iter
->start
, iter
->end
);
868 snprintf(iter
->value
, sizeof(iter
->value
), "%"PRIu64
, value
);
869 enum_name
= gen_get_enum_name(&iter
->field
->inline_enum
, value
);
872 case GEN_TYPE_BOOL
: {
873 const char *true_string
=
874 iter
->print_colors
? "\e[0;35mtrue\e[0m" : "true";
875 snprintf(iter
->value
, sizeof(iter
->value
), "%s",
876 field(v
.qw
, iter
->start
, iter
->end
) ?
877 true_string
: "false");
881 snprintf(iter
->value
, sizeof(iter
->value
), "%f", v
.f
);
883 case GEN_TYPE_ADDRESS
:
884 case GEN_TYPE_OFFSET
:
885 snprintf(iter
->value
, sizeof(iter
->value
), "0x%08"PRIx64
,
886 field_address(v
.qw
, iter
->start
, iter
->end
));
888 case GEN_TYPE_STRUCT
:
889 snprintf(iter
->value
, sizeof(iter
->value
), "<struct %s>",
890 iter
->field
->type
.gen_struct
->name
);
892 gen_spec_find_struct(iter
->group
->spec
,
893 iter
->field
->type
.gen_struct
->name
);
895 case GEN_TYPE_UFIXED
:
896 snprintf(iter
->value
, sizeof(iter
->value
), "%f",
897 (float) field(v
.qw
, iter
->start
, iter
->end
) /
898 (1 << iter
->field
->type
.f
));
900 case GEN_TYPE_SFIXED
:
901 /* FIXME: Sign extend extracted field. */
902 snprintf(iter
->value
, sizeof(iter
->value
), "%s", "foo");
906 case GEN_TYPE_ENUM
: {
907 uint64_t value
= field(v
.qw
, iter
->start
, iter
->end
);
908 snprintf(iter
->value
, sizeof(iter
->value
),
910 enum_name
= gen_get_enum_name(iter
->field
->type
.gen_enum
, value
);
915 if (strlen(iter
->group
->name
) == 0) {
916 int length
= strlen(iter
->name
);
917 snprintf(iter
->name
+ length
, sizeof(iter
->name
) - length
,
918 "[%i]", iter
->group_iter
);
922 int length
= strlen(iter
->value
);
923 snprintf(iter
->value
+ length
, sizeof(iter
->value
) - length
,
931 gen_field_iterator_init(struct gen_field_iterator
*iter
,
932 struct gen_group
*group
,
936 memset(iter
, 0, sizeof(*iter
));
939 iter
->field
= group
->fields
;
941 iter
->print_colors
= print_colors
;
945 print_dword_header(FILE *outfile
,
946 struct gen_field_iterator
*iter
,
947 uint64_t offset
, uint32_t dword
)
949 fprintf(outfile
, "0x%08"PRIx64
": 0x%08x : Dword %d\n",
950 offset
+ 4 * dword
, iter
->p
[dword
], dword
);
954 is_header_field(struct gen_group
*group
, struct gen_field
*field
)
958 if (field
->start
>= 32)
961 bits
= (1U << (field
->end
- field
->start
+ 1)) - 1;
962 bits
<<= field
->start
;
964 return (group
->opcode_mask
& bits
) != 0;
968 gen_print_group(FILE *outfile
, struct gen_group
*group
,
969 uint64_t offset
, const uint32_t *p
, bool color
)
971 struct gen_field_iterator iter
;
974 gen_field_iterator_init(&iter
, group
, p
, color
);
975 while (gen_field_iterator_next(&iter
)) {
976 if (last_dword
!= iter
.dword
) {
977 for (int i
= last_dword
+ 1; i
<= iter
.dword
; i
++)
978 print_dword_header(outfile
, &iter
, offset
, i
);
979 last_dword
= iter
.dword
;
981 if (!is_header_field(group
, iter
.field
)) {
982 fprintf(outfile
, " %s: %s\n", iter
.name
, iter
.value
);
983 if (iter
.struct_desc
) {
984 uint64_t struct_offset
= offset
+ 4 * iter
.dword
;
985 gen_print_group(outfile
, iter
.struct_desc
, struct_offset
,
986 &p
[iter
.dword
], color
);