/*
* Copyright © 2016 Intel Corporation
* Copyright © 2017 Broadcom
*
* 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
* THE AUTHORS OR COPYRIGHT HOLDERS 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.
*/
#include "v3d_decoder.h"
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdarg.h>
#include <string.h>
#ifdef WITH_LIBEXPAT
#include <expat.h>
#endif
#include <inttypes.h>
#include <zlib.h>
#include <util/macros.h>
#include <util/ralloc.h>
#include <util/u_debug.h>
#include "v3d_packet_helpers.h"
#include "v3d_xml.h"
#include "broadcom/clif/clif_private.h"
struct v3d_spec {
uint32_t ver;
int ncommands;
struct v3d_group *commands[256];
int nstructs;
struct v3d_group *structs[256];
int nregisters;
struct v3d_group *registers[256];
int nenums;
struct v3d_enum *enums[256];
};
#ifdef WITH_LIBEXPAT
struct location {
const char *filename;
int line_number;
};
struct parser_context {
XML_Parser parser;
const struct v3d_device_info *devinfo;
int foo;
struct location loc;
struct v3d_group *group;
struct v3d_enum *enoom;
int nvalues;
struct v3d_value *values[256];
struct v3d_spec *spec;
int parse_depth;
int parse_skip_depth;
};
#endif /* WITH_LIBEXPAT */
const char *
v3d_group_get_name(struct v3d_group *group)
{
return group->name;
}
uint8_t
v3d_group_get_opcode(struct v3d_group *group)
{
return group->opcode;
}
struct v3d_group *
v3d_spec_find_struct(struct v3d_spec *spec, const char *name)
{
for (int i = 0; i < spec->nstructs; i++)
if (strcmp(spec->structs[i]->name, name) == 0)
return spec->structs[i];
return NULL;
}
struct v3d_group *
v3d_spec_find_register(struct v3d_spec *spec, uint32_t offset)
{
for (int i = 0; i < spec->nregisters; i++)
if (spec->registers[i]->register_offset == offset)
return spec->registers[i];
return NULL;
}
struct v3d_group *
v3d_spec_find_register_by_name(struct v3d_spec *spec, const char *name)
{
for (int i = 0; i < spec->nregisters; i++) {
if (strcmp(spec->registers[i]->name, name) == 0)
return spec->registers[i];
}
return NULL;
}
struct v3d_enum *
v3d_spec_find_enum(struct v3d_spec *spec, const char *name)
{
for (int i = 0; i < spec->nenums; i++)
if (strcmp(spec->enums[i]->name, name) == 0)
return spec->enums[i];
return NULL;
}
#ifdef WITH_LIBEXPAT
static void __attribute__((noreturn))
fail(struct location *loc, const char *msg, ...)
{
va_list ap;
va_start(ap, msg);
fprintf(stderr, "%s:%d: error: ",
loc->filename, loc->line_number);
vfprintf(stderr, msg, ap);
fprintf(stderr, "\n");
va_end(ap);
exit(EXIT_FAILURE);
}
static void *
fail_on_null(void *p)
{
if (p == NULL) {
fprintf(stderr, "aubinator: out of memory\n");
exit(EXIT_FAILURE);
}
return p;
}
static char *
xstrdup(const char *s)
{
return fail_on_null(strdup(s));
}
static void *
zalloc(size_t s)
{
return calloc(s, 1);
}
static void *
xzalloc(size_t s)
{
return fail_on_null(zalloc(s));
}
/* We allow fields to have either a bit index, or append "b" for a byte index.
*/
static bool
is_byte_offset(const char *value)
{
return value[strlen(value) - 1] == 'b';
}
static void
get_group_offset_count(const char **atts, uint32_t *offset, uint32_t *count,
uint32_t *size, bool *variable)
{
char *p;
int i;
for (i = 0; atts[i]; i += 2) {
if (strcmp(atts[i], "count") == 0) {
*count = strtoul(atts[i + 1], &p, 0);
if (*count == 0)
*variable = true;
} else if (strcmp(atts[i], "start") == 0) {
*offset = strtoul(atts[i + 1], &p, 0);
} else if (strcmp(atts[i], "size") == 0) {
*size = strtoul(atts[i + 1], &p, 0);
}
}
return;
}
static struct v3d_group *
create_group(struct parser_context *ctx,
const char *name,
const char **atts,
struct v3d_group *parent)
{
struct v3d_group *group;
group = xzalloc(sizeof(*group));
if (name)
group->name = xstrdup(name);
group->spec = ctx->spec;
group->group_offset = 0;
group->group_count = 0;
group->variable = false;
if (parent) {
group->parent = parent;
get_group_offset_count(atts,
&group->group_offset,
&group->group_count,
&group->group_size,
&group->variable);
}
return group;
}
static struct v3d_enum *
create_enum(struct parser_context *ctx, const char *name, const char **atts)
{
struct v3d_enum *e;
e = xzalloc(sizeof(*e));
if (name)
e->name = xstrdup(name);
e->nvalues = 0;
return e;
}
static void
get_register_offset(const char **atts, uint32_t *offset)
{
char *p;
int i;
for (i = 0; atts[i]; i += 2) {
if (strcmp(atts[i], "num") == 0)
*offset = strtoul(atts[i + 1], &p, 0);
}
return;
}
static void
get_start_end_pos(int *start, int *end)
{
/* start value has to be mod with 32 as we need the relative
* start position in the first DWord. For the end position, add
* the length of the field to the start position to get the
* relative postion in the 64 bit address.
*/
if (*end - *start > 32) {
int len = *end - *start;
*start = *start % 32;
*end = *start + len;
} else {
*start = *start % 32;
*end = *end % 32;
}
return;
}
static inline uint64_t
mask(int start, int end)
{
uint64_t v;
v = ~0ULL >> (63 - end + start);
return v << start;
}
static inline uint64_t
field(uint64_t value, int start, int end)
{
get_start_end_pos(&start, &end);
return (value & mask(start, end)) >> (start);
}
static inline uint64_t
field_address(uint64_t value, int start, int end)
{
/* no need to right shift for address/offset */
get_start_end_pos(&start, &end);
return (value & mask(start, end));
}
static struct v3d_type
string_to_type(struct parser_context *ctx, const char *s)
{
int i, f;
struct v3d_group *g;
struct v3d_enum *e;
if (strcmp(s, "int") == 0)
return (struct v3d_type) { .kind = V3D_TYPE_INT };
else if (strcmp(s, "uint") == 0)
return (struct v3d_type) { .kind = V3D_TYPE_UINT };
else if (strcmp(s, "bool") == 0)
return (struct v3d_type) { .kind = V3D_TYPE_BOOL };
else if (strcmp(s, "float") == 0)
return (struct v3d_type) { .kind = V3D_TYPE_FLOAT };
else if (strcmp(s, "f187") == 0)
return (struct v3d_type) { .kind = V3D_TYPE_F187 };
else if (strcmp(s, "address") == 0)
return (struct v3d_type) { .kind = V3D_TYPE_ADDRESS };
else if (strcmp(s, "offset") == 0)
return (struct v3d_type) { .kind = V3D_TYPE_OFFSET };
else if (sscanf(s, "u%d.%d", &i, &f) == 2)
return (struct v3d_type) { .kind = V3D_TYPE_UFIXED, .i = i, .f = f };
else if (sscanf(s, "s%d.%d", &i, &f) == 2)
return (struct v3d_type) { .kind = V3D_TYPE_SFIXED, .i = i, .f = f };
else if (g = v3d_spec_find_struct(ctx->spec, s), g != NULL)
return (struct v3d_type) { .kind = V3D_TYPE_STRUCT, .v3d_struct = g };
else if (e = v3d_spec_find_enum(ctx->spec, s), e != NULL)
return (struct v3d_type) { .kind = V3D_TYPE_ENUM, .v3d_enum = e };
else if (strcmp(s, "mbo") == 0)
return (struct v3d_type) { .kind = V3D_TYPE_MBO };
else
fail(&ctx->loc, "invalid type: %s", s);
}
static struct v3d_field *
create_field(struct parser_context *ctx, const char **atts)
{
struct v3d_field *field;
char *p;
int i;
uint32_t size = 0;
field = xzalloc(sizeof(*field));
for (i = 0; atts[i]; i += 2) {
if (strcmp(atts[i], "name") == 0)
field->name = xstrdup(atts[i + 1]);
else if (strcmp(atts[i], "start") == 0) {
field->start = strtoul(atts[i + 1], &p, 0);
if (is_byte_offset(atts[i + 1]))
field->start *= 8;
} else if (strcmp(atts[i], "end") == 0) {
field->end = strtoul(atts[i + 1], &p, 0) - 1;
if (is_byte_offset(atts[i + 1]))
field->end *= 8;
} else if (strcmp(atts[i], "size") == 0) {
size = strtoul(atts[i + 1], &p, 0);
if (is_byte_offset(atts[i + 1]))
size *= 8;
} else if (strcmp(atts[i], "type") == 0)
field->type = string_to_type(ctx, atts[i + 1]);
else if (strcmp(atts[i], "default") == 0) {
field->has_default = true;
field->default_value = strtoul(atts[i + 1], &p, 0);
} else if (strcmp(atts[i], "minus_one") == 0) {
assert(strcmp(atts[i + 1], "true") == 0);
field->minus_one = true;
}
}
if (size)
field->end = field->start + size - 1;
return field;
}
static struct v3d_value *
create_value(struct parser_context *ctx, const char **atts)
{
struct v3d_value *value = xzalloc(sizeof(*value));
for (int i = 0; atts[i]; i += 2) {
if (strcmp(atts[i], "name") == 0)
value->name = xstrdup(atts[i + 1]);
else if (strcmp(atts[i], "value") == 0)
value->value = strtoul(atts[i + 1], NULL, 0);
}
return value;
}
static void
create_and_append_field(struct parser_context *ctx,
const char **atts)
{
if (ctx->group->nfields == ctx->group->fields_size) {
ctx->group->fields_size = MAX2(ctx->group->fields_size * 2, 2);
ctx->group->fields =
(struct v3d_field **) realloc(ctx->group->fields,
sizeof(ctx->group->fields[0]) *
ctx->group->fields_size);
}
ctx->group->fields[ctx->group->nfields++] = create_field(ctx, atts);
}
static void
set_group_opcode(struct v3d_group *group, const char **atts)
{
char *p;
int i;
for (i = 0; atts[i]; i += 2) {
if (strcmp(atts[i], "code") == 0)
group->opcode = strtoul(atts[i + 1], &p, 0);
}
return;
}
static bool
ver_in_range(int ver, int min_ver, int max_ver)
{
return ((min_ver == 0 || ver >= min_ver) &&
(max_ver == 0 || ver <= max_ver));
}
static bool
skip_if_ver_mismatch(struct parser_context *ctx, int min_ver, int max_ver)
{
if (!ctx->parse_skip_depth && !ver_in_range(ctx->devinfo->ver,
min_ver, max_ver)) {
assert(ctx->parse_depth != 0);
ctx->parse_skip_depth = ctx->parse_depth;
}
return ctx->parse_skip_depth;
}
static void
start_element(void *data, const char *element_name, const char **atts)
{
struct parser_context *ctx = data;
int i;
const char *name = NULL;
const char *ver = NULL;
int min_ver = 0;
int max_ver = 0;
ctx->loc.line_number = XML_GetCurrentLineNumber(ctx->parser);
for (i = 0; atts[i]; i += 2) {
if (strcmp(atts[i], "shortname") == 0)
name = atts[i + 1];
else if (strcmp(atts[i], "name") == 0 && !name)
name = atts[i + 1];
else if (strcmp(atts[i], "gen") == 0)
ver = atts[i + 1];
else if (strcmp(atts[i], "min_ver") == 0)
min_ver = strtoul(atts[i + 1], NULL, 0);
else if (strcmp(atts[i], "max_ver") == 0)
max_ver = strtoul(atts[i + 1], NULL, 0);
}
if (skip_if_ver_mismatch(ctx, min_ver, max_ver))
goto skip;
if (strcmp(element_name, "vcxml") == 0) {
if (ver == NULL)
fail(&ctx->loc, "no ver given");
/* Make sure that we picked an XML that matched our version.
*/
assert(ver_in_range(ctx->devinfo->ver, min_ver, max_ver));
int major, minor;
int n = sscanf(ver, "%d.%d", &major, &minor);
if (n == 0)
fail(&ctx->loc, "invalid ver given: %s", ver);
if (n == 1)
minor = 0;
ctx->spec->ver = major * 10 + minor;
} else if (strcmp(element_name, "packet") == 0 ||
strcmp(element_name, "struct") == 0) {
ctx->group = create_group(ctx, name, atts, NULL);
if (strcmp(element_name, "packet") == 0)
set_group_opcode(ctx->group, atts);
} else if (strcmp(element_name, "register") == 0) {
ctx->group = create_group(ctx, name, atts, NULL);
get_register_offset(atts, &ctx->group->register_offset);
} else if (strcmp(element_name, "group") == 0) {
struct v3d_group *previous_group = ctx->group;
while (previous_group->next)
previous_group = previous_group->next;
struct v3d_group *group = create_group(ctx, "", atts,
ctx->group);
previous_group->next = group;
ctx->group = group;
} else if (strcmp(element_name, "field") == 0) {
create_and_append_field(ctx, atts);
} else if (strcmp(element_name, "enum") == 0) {
ctx->enoom = create_enum(ctx, name, atts);
} else if (strcmp(element_name, "value") == 0) {
ctx->values[ctx->nvalues++] = create_value(ctx, atts);
assert(ctx->nvalues < ARRAY_SIZE(ctx->values));
}
skip:
ctx->parse_depth++;
}
static int
field_offset_compare(const void *a, const void *b)
{
return ((*(const struct v3d_field **)a)->start -
(*(const struct v3d_field **)b)->start);
}
static void
end_element(void *data, const char *name)
{
struct parser_context *ctx = data;
struct v3d_spec *spec = ctx->spec;
ctx->parse_depth--;
if (ctx->parse_skip_depth) {
if (ctx->parse_skip_depth == ctx->parse_depth)
ctx->parse_skip_depth = 0;
return;
}
if (strcmp(name, "packet") == 0 ||
strcmp(name, "struct") == 0 ||
strcmp(name, "register") == 0) {
struct v3d_group *group = ctx->group;
ctx->group = ctx->group->parent;
if (strcmp(name, "packet") == 0) {
spec->commands[spec->ncommands++] = group;
/* V3D packet XML has the packet contents with offsets
* starting from the first bit after the opcode, to
* match the spec. Shift the fields up now.
*/
for (int i = 0; i < group->nfields; i++) {
group->fields[i]->start += 8;
group->fields[i]->end += 8;
}
}
else if (strcmp(name, "struct") == 0)
spec->structs[spec->nstructs++] = group;
else if (strcmp(name, "register") == 0)
spec->registers[spec->nregisters++] = group;
/* Sort the fields in increasing offset order. The XML might
* be specified in any order, but we'll want to iterate from
* the bottom.
*/
qsort(group->fields, group->nfields, sizeof(*group->fields),
field_offset_compare);
assert(spec->ncommands < ARRAY_SIZE(spec->commands));
assert(spec->nstructs < ARRAY_SIZE(spec->structs));
assert(spec->nregisters < ARRAY_SIZE(spec->registers));
} else if (strcmp(name, "group") == 0) {
ctx->group = ctx->group->parent;
} else if (strcmp(name, "field") == 0) {
assert(ctx->group->nfields > 0);
struct v3d_field *field = ctx->group->fields[ctx->group->nfields - 1];
size_t size = ctx->nvalues * sizeof(ctx->values[0]);
field->inline_enum.values = xzalloc(size);
field->inline_enum.nvalues = ctx->nvalues;
memcpy(field->inline_enum.values, ctx->values, size);
ctx->nvalues = 0;
} else if (strcmp(name, "enum") == 0) {
struct v3d_enum *e = ctx->enoom;
size_t size = ctx->nvalues * sizeof(ctx->values[0]);
e->values = xzalloc(size);
e->nvalues = ctx->nvalues;
memcpy(e->values, ctx->values, size);
ctx->nvalues = 0;
ctx->enoom = NULL;
spec->enums[spec->nenums++] = e;
}
}
static void
character_data(void *data, const XML_Char *s, int len)
{
}
static uint32_t zlib_inflate(const void *compressed_data,
uint32_t compressed_len,
void **out_ptr)
{
struct z_stream_s zstream;
void *out;
memset(&zstream, 0, sizeof(zstream));
zstream.next_in = (unsigned char *)compressed_data;
zstream.avail_in = compressed_len;
if (inflateInit(&zstream) != Z_OK)
return 0;
out = malloc(4096);
zstream.next_out = out;
zstream.avail_out = 4096;
do {
switch (inflate(&zstream, Z_SYNC_FLUSH)) {
case Z_STREAM_END:
goto end;
case Z_OK:
break;
default:
inflateEnd(&zstream);
return 0;
}
if (zstream.avail_out)
break;
out = realloc(out, 2*zstream.total_out);
if (out == NULL) {
inflateEnd(&zstream);
return 0;
}
zstream.next_out = (unsigned char *)out + zstream.total_out;
zstream.avail_out = zstream.total_out;
} while (1);
end:
inflateEnd(&zstream);
*out_ptr = out;
return zstream.total_out;
}
#endif /* WITH_LIBEXPAT */
struct v3d_spec *
v3d_spec_load(const struct v3d_device_info *devinfo)
{
struct v3d_spec *spec = calloc(1, sizeof(struct v3d_spec));
if (!spec)
return NULL;
#ifdef WITH_LIBEXPAT
struct parser_context ctx;
void *buf;
uint8_t *text_data = NULL;
uint32_t text_offset = 0, text_length = 0;
ASSERTED uint32_t total_length;
for (int i = 0; i < ARRAY_SIZE(genxml_files_table); i++) {
if (i != 0) {
assert(genxml_files_table[i - 1].ver_10 <
genxml_files_table[i].ver_10);
}
if (genxml_files_table[i].ver_10 <= devinfo->ver) {
text_offset = genxml_files_table[i].offset;
text_length = genxml_files_table[i].length;
}
}
if (text_length == 0) {
fprintf(stderr, "unable to find gen (%u) data\n", devinfo->ver);
free(spec);
return NULL;
}
memset(&ctx, 0, sizeof ctx);
ctx.parser = XML_ParserCreate(NULL);
ctx.devinfo = devinfo;
XML_SetUserData(ctx.parser, &ctx);
if (ctx.parser == NULL) {
fprintf(stderr, "failed to create parser\n");
free(spec);
return NULL;
}
XML_SetElementHandler(ctx.parser, start_element, end_element);
XML_SetCharacterDataHandler(ctx.parser, character_data);
ctx.spec = spec;
total_length = zlib_inflate(compress_genxmls,
sizeof(compress_genxmls),
(void **) &text_data);
assert(text_offset + text_length <= total_length);
buf = XML_GetBuffer(ctx.parser, text_length);
memcpy(buf, &text_data[text_offset], text_length);
if (XML_ParseBuffer(ctx.parser, text_length, true) == 0) {
fprintf(stderr,
"Error parsing XML at line %ld col %ld byte %ld/%u: %s\n",
XML_GetCurrentLineNumber(ctx.parser),
XML_GetCurrentColumnNumber(ctx.parser),
XML_GetCurrentByteIndex(ctx.parser), text_length,
XML_ErrorString(XML_GetErrorCode(ctx.parser)));
XML_ParserFree(ctx.parser);
free(text_data);
free(spec);
return NULL;
}
XML_ParserFree(ctx.parser);
free(text_data);
return ctx.spec;
#else /* !WITH_LIBEXPAT */
debug_warn_once("CLIF dumping not supported due to missing libexpat");
return spec;
#endif /* !WITH_LIBEXPAT */
}
struct v3d_group *
v3d_spec_find_instruction(struct v3d_spec *spec, const uint8_t *p)
{
uint8_t opcode = *p;
for (int i = 0; i < spec->ncommands; i++) {
struct v3d_group *group = spec->commands[i];
if (opcode != group->opcode)
continue;
/* If there's a "sub-id" field, make sure that it matches the
* instruction being decoded.
*/
struct v3d_field *subid = NULL;
for (int j = 0; j < group->nfields; j++) {
struct v3d_field *field = group->fields[j];
if (strcmp(field->name, "sub-id") == 0) {
subid = field;
break;
}
}
if (subid && (__gen_unpack_uint(p, subid->start, subid->end) !=
subid->default_value)) {
continue;
}
return group;
}
return NULL;
}
/** Returns the size of a V3D packet. */
int
v3d_group_get_length(struct v3d_group *group)
{
int last_bit = 0;
for (int i = 0; i < group->nfields; i++) {
struct v3d_field *field = group->fields[i];
last_bit = MAX2(last_bit, field->end);
}
return last_bit / 8 + 1;
}
void
v3d_field_iterator_init(struct v3d_field_iterator *iter,
struct v3d_group *group,
const uint8_t *p)
{
memset(iter, 0, sizeof(*iter));
iter->group = group;
iter->p = p;
}
static const char *
v3d_get_enum_name(struct v3d_enum *e, uint64_t value)
{
for (int i = 0; i < e->nvalues; i++) {
if (e->values[i]->value == value) {
return e->values[i]->name;
}
}
return NULL;
}
static bool
iter_more_fields(const struct v3d_field_iterator *iter)
{
return iter->field_iter < iter->group->nfields;
}
static uint32_t
iter_group_offset_bits(const struct v3d_field_iterator *iter,
uint32_t group_iter)
{
return iter->group->group_offset + (group_iter *
iter->group->group_size);
}
static bool
iter_more_groups(const struct v3d_field_iterator *iter)
{
if (iter->group->variable) {
return iter_group_offset_bits(iter, iter->group_iter + 1) <
(v3d_group_get_length(iter->group) * 8);
} else {
return (iter->group_iter + 1) < iter->group->group_count ||
iter->group->next != NULL;
}
}
static void
iter_advance_group(struct v3d_field_iterator *iter)
{
if (iter->group->variable)
iter->group_iter++;
else {
if ((iter->group_iter + 1) < iter->group->group_count) {
iter->group_iter++;
} else {
iter->group = iter->group->next;
iter->group_iter = 0;
}
}
iter->field_iter = 0;
}
static bool
iter_advance_field(struct v3d_field_iterator *iter)
{
while (!iter_more_fields(iter)) {
if (!iter_more_groups(iter))
return false;
iter_advance_group(iter);
}
iter->field = iter->group->fields[iter->field_iter++];
if (iter->field->name)
snprintf(iter->name, sizeof(iter->name), "%s", iter->field->name);
else
memset(iter->name, 0, sizeof(iter->name));
iter->offset = iter_group_offset_bits(iter, iter->group_iter) / 8 +
iter->field->start / 8;
iter->struct_desc = NULL;
return true;
}
bool
v3d_field_iterator_next(struct clif_dump *clif, struct v3d_field_iterator *iter)
{
if (!iter_advance_field(iter))
return false;
const char *enum_name = NULL;
int group_member_offset =
iter_group_offset_bits(iter, iter->group_iter);
int s = group_member_offset + iter->field->start;
int e = group_member_offset + iter->field->end;
assert(!iter->field->minus_one ||
iter->field->type.kind == V3D_TYPE_INT ||
iter->field->type.kind == V3D_TYPE_UINT);
switch (iter->field->type.kind) {
case V3D_TYPE_UNKNOWN:
case V3D_TYPE_INT: {
uint32_t value = __gen_unpack_sint(iter->p, s, e);
if (iter->field->minus_one)
value++;
snprintf(iter->value, sizeof(iter->value), "%d", value);
enum_name = v3d_get_enum_name(&iter->field->inline_enum, value);
break;
}
case V3D_TYPE_UINT: {
uint32_t value = __gen_unpack_uint(iter->p, s, e);
if (iter->field->minus_one)
value++;
if (strcmp(iter->field->name, "Vec size") == 0 && value == 0)
value = 1 << (e - s + 1);
snprintf(iter->value, sizeof(iter->value), "%u", value);
enum_name = v3d_get_enum_name(&iter->field->inline_enum, value);
break;
}
case V3D_TYPE_BOOL:
snprintf(iter->value, sizeof(iter->value), "%s",
__gen_unpack_uint(iter->p, s, e) ?
"1 /* true */" : "0 /* false */");
break;
case V3D_TYPE_FLOAT:
snprintf(iter->value, sizeof(iter->value), "%f",
__gen_unpack_float(iter->p, s, e));
break;
case V3D_TYPE_F187:
snprintf(iter->value, sizeof(iter->value), "%f",
__gen_unpack_f187(iter->p, s, e));
break;
case V3D_TYPE_ADDRESS: {
uint32_t addr =
__gen_unpack_uint(iter->p, s, e) << (31 - (e - s));
struct clif_bo *bo = clif_lookup_bo(clif, addr);
if (bo) {
snprintf(iter->value, sizeof(iter->value),
"[%s+0x%08x] /* 0x%08x */",
bo->name, addr - bo->offset, addr);
} else if (addr) {
snprintf(iter->value, sizeof(iter->value),
"/* XXX: BO unknown */ 0x%08x", addr);
} else {
snprintf(iter->value, sizeof(iter->value),
"[null]");
}
break;
}
case V3D_TYPE_OFFSET:
snprintf(iter->value, sizeof(iter->value), "0x%08"PRIx64,
__gen_unpack_uint(iter->p, s, e) << (31 - (e - s)));
break;
case V3D_TYPE_STRUCT:
snprintf(iter->value, sizeof(iter->value), "<struct %s>",
iter->field->type.v3d_struct->name);
iter->struct_desc =
v3d_spec_find_struct(iter->group->spec,
iter->field->type.v3d_struct->name);
break;
case V3D_TYPE_SFIXED:
if (clif->pretty) {
snprintf(iter->value, sizeof(iter->value), "%f",
__gen_unpack_sfixed(iter->p, s, e,
iter->field->type.f));
} else {
snprintf(iter->value, sizeof(iter->value), "%u",
(unsigned)__gen_unpack_uint(iter->p, s, e));
}
break;
case V3D_TYPE_UFIXED:
if (clif->pretty) {
snprintf(iter->value, sizeof(iter->value), "%f",
__gen_unpack_ufixed(iter->p, s, e,
iter->field->type.f));
} else {
snprintf(iter->value, sizeof(iter->value), "%u",
(unsigned)__gen_unpack_uint(iter->p, s, e));
}
break;
case V3D_TYPE_MBO:
break;
case V3D_TYPE_ENUM: {
uint32_t value = __gen_unpack_uint(iter->p, s, e);
snprintf(iter->value, sizeof(iter->value), "%d", value);
enum_name = v3d_get_enum_name(iter->field->type.v3d_enum, value);
break;
}
}
if (strlen(iter->group->name) == 0) {
int length = strlen(iter->name);
snprintf(iter->name + length, sizeof(iter->name) - length,
"[%i]", iter->group_iter);
}
if (enum_name) {
int length = strlen(iter->value);
snprintf(iter->value + length, sizeof(iter->value) - length,
" /* %s */", enum_name);
}
return true;
}
void
v3d_print_group(struct clif_dump *clif, struct v3d_group *group,
uint64_t offset, const uint8_t *p)
{
struct v3d_field_iterator iter;
v3d_field_iterator_init(&iter, group, p);
while (v3d_field_iterator_next(clif, &iter)) {
/* Clif parsing uses the packet name, and expects no
* sub-id.
*/
if (strcmp(iter.field->name, "sub-id") == 0 ||
strcmp(iter.field->name, "unused") == 0 ||
strcmp(iter.field->name, "Pad") == 0)
continue;
if (clif->pretty) {
fprintf(clif->out, " %s: %s\n",
iter.name, iter.value);
} else {
fprintf(clif->out, " /* %30s: */ %s\n",
iter.name, iter.value);
}
if (iter.struct_desc) {
uint64_t struct_offset = offset + iter.offset;
v3d_print_group(clif, iter.struct_desc,
struct_offset,
&p[iter.offset]);
}
}
}