src/amd/common/ac_binary.h

   1 /*
   2  * Copyright 2014 Advanced Micro Devices, Inc.
   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 FROM,
  20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  21  * SOFTWARE.
  22  *
  23  * Authors: Tom Stellard <thomas.stellard@amd.com>
  24  *
  25  */
  26
  27 #pragma once
  28
  29 #include <stdint.h>
  30
  31 struct ac_shader_reloc {
  32         char name[32];
  33         uint64_t offset;
  34 };
  35
  36 struct ac_shader_binary {
  37         /** Shader code */
  38         unsigned char *code;
  39         unsigned code_size;
  40
  41         /** Config/Context register state that accompanies this shader.
  42          * This is a stream of dword pairs.  First dword contains the
  43          * register address, the second dword contains the value.*/
  44         unsigned char *config;
  45         unsigned config_size;
  46
  47         /** The number of bytes of config information for each global symbol.
  48          */
  49         unsigned config_size_per_symbol;
  50
  51         /** Constant data accessed by the shader.  This will be uploaded
  52          * into a constant buffer. */
  53         unsigned char *rodata;
  54         unsigned rodata_size;
  55
  56         /** List of symbol offsets for the shader */
  57         uint64_t *global_symbol_offsets;
  58         unsigned global_symbol_count;
  59
  60         struct ac_shader_reloc *relocs;
  61         unsigned reloc_count;
  62
  63         /** Disassembled shader in a string. */
  64         char *disasm_string;
  65 };
  66
  67 struct ac_shader_config {
  68         unsigned num_sgprs;
  69         unsigned num_vgprs;
  70         unsigned spilled_sgprs;
  71         unsigned spilled_vgprs;
  72         unsigned lds_size;
  73         unsigned spi_ps_input_ena;
  74         unsigned spi_ps_input_addr;
  75         unsigned float_mode;
  76         unsigned scratch_bytes_per_wave;
  77 };
  78
  79 /*
  80  * Parse the elf binary stored in \p elf_data and create a
  81  * ac_shader_binary object.
  82  */
  83 void ac_elf_read(const char *elf_data, unsigned elf_size,
  84                  struct ac_shader_binary *binary);
  85
  86 void ac_shader_binary_read_config(struct ac_shader_binary *binary,
  87                                   struct ac_shader_config *conf,
  88                                   unsigned symbol_offset);