forked from AbleOS/holey-bytes
43 lines
1.1 KiB
Rust
43 lines
1.1 KiB
Rust
use hashbrown::HashMap;
|
|
use log::trace;
|
|
|
|
use crate::{engine::Page, RuntimeErrors};
|
|
|
|
pub struct Memory {
|
|
//TODO: hashmap with the start bytes as key and end bytes as offset
|
|
inner: HashMap<u64, Page>,
|
|
}
|
|
|
|
impl Memory {
|
|
pub fn new() -> Self {
|
|
Self {
|
|
inner: HashMap::new(),
|
|
}
|
|
}
|
|
|
|
pub fn map_vec(&mut self, address: u64, vec: Vec<u8>) {}
|
|
}
|
|
|
|
impl Memory {
|
|
pub fn read_addr8(&mut self, address: u64) -> Result<u8, RuntimeErrors> {
|
|
let (page, offset) = addr_to_page(address);
|
|
let val: u8 = self.inner.get(&page).unwrap().data[offset as usize];
|
|
trace!("Value read {} from page {} offset {}", val, page, offset);
|
|
Ok(val)
|
|
}
|
|
pub fn read_addr64(&mut self, address: u64) -> u64 {
|
|
unimplemented!()
|
|
}
|
|
|
|
pub fn set_addr8(&self, address: u64, value: u8) -> Result<(), RuntimeErrors> {
|
|
unimplemented!()
|
|
}
|
|
pub fn set_addr64(&mut self, address: u64, value: u64) -> u64 {
|
|
unimplemented!()
|
|
}
|
|
}
|
|
|
|
fn addr_to_page(addr: u64) -> (u64, u64) {
|
|
(addr / 8192, addr % 8192)
|
|
}
|