mirror of https://gitlab.freedesktop.org/mesa/mesa
87 lines
2.6 KiB
C
87 lines
2.6 KiB
C
/*
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* Copyright © 2022 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* on the rights to use, copy, modify, merge, publish, distribute, sub
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* license, and/or sell copies of the Software, and to permit persons to whom
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* the Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef BRW_ISA_ENCODING_H
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#define BRW_ISA_ENCODING_H
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#include "dev/intel_device_info.h"
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#include "brw_eu_defines.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct opcode_desc;
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struct brw_isa_info {
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const struct intel_device_info *devinfo;
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/* A mapping from enum opcode to the corresponding opcode_desc */
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const struct opcode_desc *ir_to_descs[NUM_BRW_OPCODES];
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/** A mapping from a HW opcode encoding to the corresponding opcode_desc */
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const struct opcode_desc *hw_to_descs[128];
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};
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void brw_init_isa_info(struct brw_isa_info *isa,
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const struct intel_device_info *devinfo);
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struct opcode_desc {
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unsigned ir;
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unsigned hw;
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const char *name;
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int nsrc;
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int ndst;
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int gfx_vers;
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};
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const struct opcode_desc *
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brw_opcode_desc(const struct brw_isa_info *isa, enum opcode opcode);
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const struct opcode_desc *
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brw_opcode_desc_from_hw(const struct brw_isa_info *isa, unsigned hw);
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static inline unsigned
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brw_opcode_encode(const struct brw_isa_info *isa, enum opcode opcode)
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{
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return brw_opcode_desc(isa, opcode)->hw;
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}
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static inline enum opcode
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brw_opcode_decode(const struct brw_isa_info *isa, unsigned hw)
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{
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const struct opcode_desc *desc = brw_opcode_desc_from_hw(isa, hw);
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return desc ? (enum opcode)desc->ir : BRW_OPCODE_ILLEGAL;
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}
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static inline bool
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is_3src(const struct brw_isa_info *isa, enum opcode opcode)
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{
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const struct opcode_desc *desc = brw_opcode_desc(isa, opcode);
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return desc && desc->nsrc == 3;
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}
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#ifdef __cplusplus
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}
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#endif
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#endif
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