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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);
89