1 /* 2 * Copyright 2016 Intel Corporation 3 * 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: 10 * 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 13 * Software. 14 * 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 21 * IN THE SOFTWARE. 22 */ 23 24 #ifndef DECODER_H 25 #define DECODER_H 26 27 #include <stdint.h> 28 #include <stdbool.h> 29 30 #include "common/gen_device_info.h" 31 32 struct gen_spec; 33 struct gen_group; 34 struct gen_field; 35 36 static inline uint32_t gen_make_gen(uint32_t major, uint32_t minor) 37 { 38 return (major << 8) | minor; 39 } 40 41 struct gen_group *gen_spec_find_struct(struct gen_spec *spec, const char *name); 42 struct gen_spec *gen_spec_load(const struct gen_device_info *devinfo); 43 struct gen_spec *gen_spec_load_from_path(const struct gen_device_info *devinfo, 44 const char *path); 45 uint32_t gen_spec_get_gen(struct gen_spec *spec); 46 struct gen_group *gen_spec_find_instruction(struct gen_spec *spec, const uint32_t *p); 47 struct gen_group *gen_spec_find_register(struct gen_spec *spec, uint32_t offset); 48 int gen_group_get_length(struct gen_group *group, const uint32_t *p); 49 const char *gen_group_get_name(struct gen_group *group); 50 uint32_t gen_group_get_opcode(struct gen_group *group); 51 struct gen_enum *gen_spec_find_enum(struct gen_spec *spec, const char *name); 52 53 struct gen_field_iterator { 54 struct gen_group *group; 55 const char *name; 56 char value[128]; 57 char description[128]; 58 const uint32_t *p; 59 int i; 60 bool print_colors; 61 }; 62 63 struct gen_group { 64 char *name; 65 int nfields; 66 struct gen_field **fields; 67 uint32_t group_offset, group_count; 68 69 uint32_t opcode_mask; 70 uint32_t opcode; 71 72 /* Register specific */ 73 uint32_t register_offset; 74 }; 75 76 struct gen_value { 77 char *name; 78 uint64_t value; 79 }; 80 81 struct gen_enum { 82 char *name; 83 int nvalues; 84 struct gen_value **values; 85 }; 86 87 struct gen_type { 88 enum { 89 GEN_TYPE_UNKNOWN, 90 GEN_TYPE_INT, 91 GEN_TYPE_UINT, 92 GEN_TYPE_BOOL, 93 GEN_TYPE_FLOAT, 94 GEN_TYPE_ADDRESS, 95 GEN_TYPE_OFFSET, 96 GEN_TYPE_STRUCT, 97 GEN_TYPE_UFIXED, 98 GEN_TYPE_SFIXED, 99 GEN_TYPE_MBO, 100 GEN_TYPE_ENUM 101 } kind; 102 103 /* Struct definition for GEN_TYPE_STRUCT */ 104 union { 105 struct gen_group *gen_struct; 106 struct gen_enum *gen_enum; 107 struct { 108 /* Integer and fractional sizes for GEN_TYPE_UFIXED and GEN_TYPE_SFIXED */ 109 int i, f; 110 }; 111 }; 112 }; 113 114 struct gen_field { 115 char *name; 116 int start, end; 117 struct gen_type type; 118 bool has_default; 119 uint32_t default_value; 120 121 struct gen_enum inline_enum; 122 }; 123 124 void gen_field_iterator_init(struct gen_field_iterator *iter, 125 struct gen_group *group, 126 const uint32_t *p, 127 bool print_colors); 128 129 bool gen_field_iterator_next(struct gen_field_iterator *iter); 130 131 #endif /* DECODER_H */ 132
