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prepare rvdc

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nora 2025-03-22 20:32:06 +01:00
parent a132b481e6
commit 5447d44290
10 changed files with 143 additions and 60 deletions
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42
src/emu.rs
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@ -1,4 +1,4 @@
use crate::inst::{AmoOp, DecodeError, Inst, IsCompressed};
use rvdc::{AmoOp, DecodeError, Inst, IsCompressed, Reg};
use std::{
fmt::{Debug, Display},
io::Write,
@ -114,46 +114,6 @@ impl<XLEN> IndexMut<Reg> for Emulator<XLEN> {
}
}
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub struct Reg(pub u32);
impl Reg {
pub const ZERO: Reg = Reg(0);
pub const RA: Reg = Reg(1);
pub const SP: Reg = Reg(2);
// arguments, return values:
pub const A0: Reg = Reg(10);
pub const A1: Reg = Reg(11);
// arguments:
pub const A2: Reg = Reg(12);
pub const A3: Reg = Reg(13);
pub const A4: Reg = Reg(14);
pub const A5: Reg = Reg(15);
pub const A6: Reg = Reg(16);
pub const A7: Reg = Reg(17);
}
impl Display for Reg {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
let n = self.0;
match n {
0 => write!(f, "zero"),
1 => write!(f, "ra"),
2 => write!(f, "sp"),
3 => write!(f, "gp"),
4 => write!(f, "tp"),
5..=7 => write!(f, "t{}", n - 5),
8 => write!(f, "s0"),
9 => write!(f, "s1"),
10..=17 => write!(f, "a{}", n - 10),
18..=27 => write!(f, "s{}", n - 18 + 2),
28..=31 => write!(f, "t{}", n - 28 + 3),
_ => unreachable!("invalid register"),
}
}
}
fn hash_color(value: usize) -> impl Display {
use owo_colors::*;
use std::hash::{Hash, Hasher};