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lizzie
58dee53305
continuation of #309 but applying to even more files than before :) also makes them lowercase because `0xfafafa` is better as `0XFAFAFA` Signed-off-by: lizzie <lizzie@eden-emu.dev> Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/4170 Reviewed-by: CamilleLaVey <camillelavey99@gmail.com> Reviewed-by: Maufeat <sahyno1996@gmail.com>
54 lines
1.4 KiB
C++
54 lines
1.4 KiB
C++
// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
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// SPDX-License-Identifier: GPL-3.0-or-later
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// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include <algorithm>
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#include <array>
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#include <bit>
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#include <memory>
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#include <ranges>
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#include <string_view>
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#include "common/assert.h"
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#include "common/common_types.h"
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#include "shader_recompiler/exception.h"
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#include "shader_recompiler/frontend/maxwell/decode.h"
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#include "shader_recompiler/frontend/maxwell/opcodes.h"
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namespace Shader::Maxwell {
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consteval std::pair<u64, u64> MaskValueFromEncoding(const char data[20]) noexcept {
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u64 mask = 0, value = 0, bit = u64(1) << 63;
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for (int i = 0; i < 20; ++i)
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switch (data[i]) {
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case '0':
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mask |= bit;
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bit >>= 1;
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break;
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case '1':
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mask |= bit;
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value |= bit;
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bit >>= 1;
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break;
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case '-':
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bit >>= 1;
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break;
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default:
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break;
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}
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return { mask, value };
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}
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Opcode Decode(u64 insn) {
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#define INST(name, cute, encode) \
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if (auto const p = MaskValueFromEncoding(encode); (insn & p.first) == p.second) \
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return Opcode::name;
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#include "maxwell.inc"
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#undef INST
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ASSERT_MSG(false, "Invalid insn {:#016x}", insn);
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return Opcode::NOP;
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}
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} // namespace Shader::Maxwell
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