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-rw-r--r--src/intel/common/gen_decoder.h138
1 files changed, 138 insertions, 0 deletions
diff --git a/src/intel/common/gen_decoder.h b/src/intel/common/gen_decoder.h
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+++ b/src/intel/common/gen_decoder.h
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+/*
+ * Copyright © 2016 Intel Corporation
+ *
+ * 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.
+ */
+
+#ifndef GEN_DECODER_H
+#define GEN_DECODER_H
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#include "common/gen_device_info.h"
+
+struct gen_spec;
+struct gen_group;
+struct gen_field;
+
+static inline uint32_t gen_make_gen(uint32_t major, uint32_t minor)
+{
+ return (major << 8) | minor;
+}
+
+struct gen_group *gen_spec_find_struct(struct gen_spec *spec, const char *name);
+struct gen_spec *gen_spec_load(const struct gen_device_info *devinfo);
+struct gen_spec *gen_spec_load_from_path(const struct gen_device_info *devinfo,
+ const char *path);
+uint32_t gen_spec_get_gen(struct gen_spec *spec);
+struct gen_group *gen_spec_find_instruction(struct gen_spec *spec, const uint32_t *p);
+struct gen_group *gen_spec_find_register(struct gen_spec *spec, uint32_t offset);
+int gen_group_get_length(struct gen_group *group, const uint32_t *p);
+const char *gen_group_get_name(struct gen_group *group);
+uint32_t gen_group_get_opcode(struct gen_group *group);
+struct gen_enum *gen_spec_find_enum(struct gen_spec *spec, const char *name);
+
+struct gen_field_iterator {
+ struct gen_group *group;
+ const char *name;
+ char value[128];
+ struct gen_group *struct_desc;
+ const uint32_t *p;
+ int dword; /**< current field starts at &p[dword] */
+ int i;
+ bool print_colors;
+};
+
+struct gen_group {
+ struct gen_spec *spec;
+ char *name;
+ int nfields;
+ struct gen_field **fields;
+ uint32_t group_offset, group_count;
+
+ uint32_t opcode_mask;
+ uint32_t opcode;
+
+ /* Register specific */
+ uint32_t register_offset;
+};
+
+struct gen_value {
+ char *name;
+ uint64_t value;
+};
+
+struct gen_enum {
+ char *name;
+ int nvalues;
+ struct gen_value **values;
+};
+
+struct gen_type {
+ enum {
+ GEN_TYPE_UNKNOWN,
+ GEN_TYPE_INT,
+ GEN_TYPE_UINT,
+ GEN_TYPE_BOOL,
+ GEN_TYPE_FLOAT,
+ GEN_TYPE_ADDRESS,
+ GEN_TYPE_OFFSET,
+ GEN_TYPE_STRUCT,
+ GEN_TYPE_UFIXED,
+ GEN_TYPE_SFIXED,
+ GEN_TYPE_MBO,
+ GEN_TYPE_ENUM
+ } kind;
+
+ /* Struct definition for GEN_TYPE_STRUCT */
+ union {
+ struct gen_group *gen_struct;
+ struct gen_enum *gen_enum;
+ struct {
+ /* Integer and fractional sizes for GEN_TYPE_UFIXED and GEN_TYPE_SFIXED */
+ int i, f;
+ };
+ };
+};
+
+struct gen_field {
+ char *name;
+ int start, end;
+ struct gen_type type;
+ bool has_default;
+ uint32_t default_value;
+
+ struct gen_enum inline_enum;
+};
+
+void gen_field_iterator_init(struct gen_field_iterator *iter,
+ struct gen_group *group,
+ const uint32_t *p,
+ bool print_colors);
+
+bool gen_field_iterator_next(struct gen_field_iterator *iter);
+
+void gen_print_group(FILE *out,
+ struct gen_group *group,
+ uint64_t offset, const uint32_t *p,
+ int starting_dword, bool color);
+
+#endif /* GEN_DECODER_H */