one_fpga/core/
bios.rs

1use std::io::{Cursor, Read, Seek, SeekFrom};
2use std::path::PathBuf;
3use std::sync::Arc;
4
5/// A BIOS, including any information the core needs to know about the BIOS.
6#[derive(Debug, Clone)]
7pub enum Bios {
8    /// A BIOS that is stored in memory.
9    Memory(Option<PathBuf>, Cursor<Vec<u8>>),
10
11    /// A BIOS that is stored in a file.
12    File(PathBuf, Arc<std::fs::File>),
13}
14
15impl Read for Bios {
16    fn read(&mut self, buf: &mut [u8]) -> std::io::Result<usize> {
17        match self {
18            Self::Memory(_, data) => data.read(buf),
19            Self::File(_, file) => file.read(buf),
20        }
21    }
22}
23
24impl Seek for Bios {
25    fn seek(&mut self, pos: SeekFrom) -> std::io::Result<u64> {
26        match self {
27            Self::Memory(_, data) => data.seek(pos),
28            Self::File(_, file) => file.seek(pos),
29        }
30    }
31}
one_fpga/core/bios.rs

one_fpga/core/
bios.rs
