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/*
* Copyright 2014 Advanced Micro Devices, Inc.
*
* 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 AC_BINARY_H
#define AC_BINARY_H
#include <stddef.h>
#include <stdint.h>
#include <stdbool.h>
#ifdef __cplusplus
extern "C" {
#endif
struct ac_shader_reloc {
char name[32];
uint64_t offset;
};
struct ac_shader_binary {
unsigned code_size;
unsigned config_size;
/** The number of bytes of config information for each global symbol.
*/
unsigned config_size_per_symbol;
unsigned rodata_size;
unsigned global_symbol_count;
unsigned reloc_count;
/** Shader code */
unsigned char *code;
/** Config/Context register state that accompanies this shader.
* This is a stream of dword pairs. First dword contains the
* register address, the second dword contains the value.*/
unsigned char *config;
/** Constant data accessed by the shader. This will be uploaded
* into a constant buffer. */
unsigned char *rodata;
/** List of symbol offsets for the shader */
uint64_t *global_symbol_offsets;
struct ac_shader_reloc *relocs;
/** Disassembled shader in a string. */
char *disasm_string;
char *llvm_ir_string;
};
struct ac_shader_config {
unsigned num_sgprs;
unsigned num_vgprs;
unsigned spilled_sgprs;
unsigned spilled_vgprs;
unsigned lds_size; /* in HW allocation units; i.e 256 bytes on SI, 512 bytes on CI+ */
unsigned spi_ps_input_ena;
unsigned spi_ps_input_addr;
unsigned float_mode;
unsigned scratch_bytes_per_wave;
unsigned rsrc1;
unsigned rsrc2;
};
/*
* Parse the elf binary stored in \p elf_data and create a
* ac_shader_binary object.
*/
bool ac_elf_read(const char *elf_data, unsigned elf_size,
struct ac_shader_binary *binary);
/**
* @returns A pointer to the start of the configuration information for
* the function starting at \p symbol_offset of the binary.
*/
const unsigned char *ac_shader_binary_config_start(
const struct ac_shader_binary *binary,
uint64_t symbol_offset);
void ac_parse_shader_binary_config(const char *data, size_t nbytes,
bool really_needs_scratch,
struct ac_shader_config *conf);
void ac_shader_binary_read_config(struct ac_shader_binary *binary,
struct ac_shader_config *conf,
unsigned symbol_offset,
bool supports_spill);
void ac_shader_binary_clean(struct ac_shader_binary *b);
#ifdef __cplusplus
}
#endif
#endif /* AC_BINARY_H */
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