diff options
-rw-r--r-- | src/intel/common/gen_decoder.c | 30 | ||||
-rw-r--r-- | src/intel/common/gen_decoder.h | 2 |
2 files changed, 25 insertions, 7 deletions
diff --git a/src/intel/common/gen_decoder.c b/src/intel/common/gen_decoder.c index f24d3ccf15d..8148b2f1489 100644 --- a/src/intel/common/gen_decoder.c +++ b/src/intel/common/gen_decoder.c @@ -163,11 +163,16 @@ create_group(struct parser_context *ctx, group->spec = ctx->spec; group->variable = false; group->fixed_length = fixed_length; + group->dword_length_field = NULL; + group->dw_length = 0; + group->bias = 1; for (int i = 0; atts[i]; i += 2) { char *p; if (strcmp(atts[i], "length") == 0) { group->dw_length = strtoul(atts[i + 1], &p, 0); + } else if (strcmp(atts[i], "bias") == 0) { + group->bias = strtoul(atts[i + 1], &p, 0); } } @@ -288,15 +293,18 @@ create_field(struct parser_context *ctx, const char **atts) for (int i = 0; atts[i]; i += 2) { char *p; - if (strcmp(atts[i], "name") == 0) + if (strcmp(atts[i], "name") == 0) { field->name = ralloc_strdup(field, atts[i + 1]); - else if (strcmp(atts[i], "start") == 0) + if (strcmp(field->name, "DWord Length") == 0) { + field->parent->dword_length_field = field; + } + } else if (strcmp(atts[i], "start") == 0) { field->start = strtoul(atts[i + 1], &p, 0); - else if (strcmp(atts[i], "end") == 0) { + } else if (strcmp(atts[i], "end") == 0) { field->end = strtoul(atts[i + 1], &p, 0); - } else if (strcmp(atts[i], "type") == 0) + } else if (strcmp(atts[i], "type") == 0) { field->type = string_to_type(ctx, atts[i + 1]); - else if (strcmp(atts[i], "default") == 0 && + } else if (strcmp(atts[i], "default") == 0 && field->start >= 16 && field->end <= 31) { field->has_default = true; field->default_value = strtoul(atts[i + 1], &p, 0); @@ -741,8 +749,16 @@ gen_group_find_field(struct gen_group *group, const char *name) int gen_group_get_length(struct gen_group *group, const uint32_t *p) { - if (group && group->fixed_length) - return group->dw_length; + if (group) { + if (group->fixed_length) + return group->dw_length; + else { + struct gen_field *field = group->dword_length_field; + if (field) { + return field_value(p[0], field->start, field->end) + group->bias; + } + } + } uint32_t h = p[0]; uint32_t type = field_value(h, 29, 31); diff --git a/src/intel/common/gen_decoder.h b/src/intel/common/gen_decoder.h index a80c50b6647..4beed22d729 100644 --- a/src/intel/common/gen_decoder.h +++ b/src/intel/common/gen_decoder.h @@ -99,8 +99,10 @@ struct gen_group { char *name; struct gen_field *fields; /* linked list of fields */ + struct gen_field *dword_length_field; /* <instruction> specific */ uint32_t dw_length; + uint32_t bias; /* <instruction> specific */ uint32_t group_offset, group_count; uint32_t group_size; bool variable; /* <group> specific */ |