36 lines
992 B
Rust
36 lines
992 B
Rust
// Copyright (c) 2025 taitep
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// SPDX-License-Identifier: MIT
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//
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// This file is part of TRVE (https://gitea.taitep.se/taitep/trve)
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// See LICENSE file in the project root for full license text.
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mod rvi;
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use crate::{
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core::{Core, InstructionResult},
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decode::Instruction,
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};
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pub(crate) fn find_and_exec(instr: Instruction, core: &mut Core) -> Option<InstructionResult> {
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match instr.opcode_noncompressed() {
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0b00100 => match instr.funct3() {
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// OP_IMM
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0b000 => Some(rvi::addi(core, instr)),
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_ => None,
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},
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0b00110 => match instr.funct3() {
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// OP_IMM_32
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0b000 => Some(rvi::addiw(core, instr)),
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_ => None,
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},
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0b01000 => match instr.funct3() {
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// STORE
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0b011 => Some(rvi::sd(core, instr)),
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_ => None,
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},
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0b01101 => Some(rvi::lui(core, instr)),
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0b11011 => Some(rvi::jal(core, instr)),
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_ => None,
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}
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}
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