pan/bi: Generate bi_opcodes.h
A header for enums for each opcode and each modifier. Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8215>
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# Copyright (C) 2020 Collabora, Ltd.
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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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# the rights to use, copy, modify, merge, publish, distribute, sublicense,
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# and/or sell copies of the Software, and to permit persons to whom the
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# 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 NONINFRINGEMENT. IN NO EVENT SHALL
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# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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# IN THE SOFTWARE.
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TEMPLATE = """
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#ifndef _BI_OPCODES_H_
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#define _BI_OPCODES_H_
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#include "bifrost.h"
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% for mod in sorted(modifiers):
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% if len(modifiers[mod]) > 2: # otherwise just boolean
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enum bi_${mod.lower()} {
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% for i, state in enumerate(modifiers[mod]):
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% if state != "reserved":
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BI_${mod.upper()}_${state.upper()} = ${i},
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% endif
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% endfor
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};
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% endif
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% endfor
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enum bi_opcode {
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% for opcode in sorted(mnemonics):
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BI_OPCODE_${opcode.replace('.', '_').upper()},
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% endfor
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BI_NUM_OPCODES
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};
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/* Number of staging registers accessed, note this fits into 3-bits */
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enum bi_sr_count {
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/* fixed counts */
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BI_SR_COUNT_0 = 0,
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BI_SR_COUNT_1 = 1,
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BI_SR_COUNT_2 = 2,
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BI_SR_COUNT_3 = 3,
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BI_SR_COUNT_4 = 4,
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/* derived from register_format and vecsize */
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BI_SR_COUNT_FORMAT = 5,
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/* equal to vecsize alone */
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BI_SR_COUNT_VECSIZE = 6,
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/* specified directly as the sr_count immediate */
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BI_SR_COUNT_SR_COUNT = 7
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};
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/* Description of an opcode in the IR */
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struct bi_op_props {
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const char *name;
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enum bifrost_message_type message : 4;
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enum bi_sr_count sr_count : 3;
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bool sr_read : 1;
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bool sr_write : 1;
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bool fma : 1;
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bool add : 1;
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};
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/* Generated in bi_opcodes.c.py */
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extern struct bi_op_props bi_opcode_props[BI_NUM_OPCODES];
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#endif
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"""
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import sys
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from bifrost_isa import *
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from mako.template import Template
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instructions = parse_instructions(sys.argv[1], include_pseudo = True)
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ir_instructions = partition_mnemonics(instructions)
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modifier_lists = order_modifiers(ir_instructions)
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# Generate sorted list of mnemonics without regard to unit
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mnemonics = set(x[1:] for x in instructions.keys())
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print(Template(COPYRIGHT + TEMPLATE).render(mnemonics = mnemonics, modifiers = modifier_lists))
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@ -69,6 +69,20 @@ idep_bi_generated_pack_h = declare_dependency(
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include_directories : include_directories('.'),
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)
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bi_opcodes_h = custom_target(
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'bi_opcodes.h',
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input : ['bi_opcodes.h.py', 'ISA.xml'],
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output : 'bi_opcodes.h',
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command : [prog_python, '@INPUT@'],
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capture : true,
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depend_files : files('bifrost_isa.py'),
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)
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idep_bi_opcodes_h = declare_dependency(
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sources : [bi_opcodes_h],
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include_directories : include_directories('.'),
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)
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libpanfrost_bifrost_disasm = static_library(
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'panfrost_bifrost_disasm',
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['disassemble.c', 'bi_print_common.c', bifrost_gen_disasm_c],
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@ -84,7 +98,7 @@ libpanfrost_bifrost = static_library(
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'panfrost_bifrost',
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[libpanfrost_bifrost_files, bifrost_nir_algebraic_c],
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include_directories : [inc_include, inc_src, inc_mapi, inc_mesa, inc_gallium, inc_gallium_aux, inc_panfrost_hw],
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dependencies: [idep_nir, idep_bi_generated_pack_h],
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dependencies: [idep_nir, idep_bi_generated_pack_h, idep_bi_opcodes_h],
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link_with: [libpanfrost_util, libpanfrost_bifrost_disasm],
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c_args : [no_override_init_args],
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gnu_symbol_visibility : 'hidden',
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