holey-bytes/hbvm/src/main.rs
2023-06-23 09:44:26 +02:00

53 lines
1.1 KiB
Rust

use hbvm::vm::{
mem::{Memory, PageSize},
trap::HandleTrap,
value::Value,
};
use {
hbvm::{validate::validate, vm::Vm},
std::io::{stdin, Read},
};
fn main() -> Result<(), Box<dyn std::error::Error>> {
let mut prog = vec![];
stdin().read_to_end(&mut prog)?;
if let Err(e) = validate(&prog) {
eprintln!("Program validation error: {e:?}");
return Ok(());
} else {
unsafe {
let mut vm = Vm::new_unchecked(&prog, TestTrapHandler);
vm.memory.insert_test_page();
println!("Program interrupt: {:?}", vm.run());
println!("{:?}", vm.registers);
}
}
Ok(())
}
pub fn time() -> u32 {
9
}
struct TestTrapHandler;
impl HandleTrap for TestTrapHandler {
fn page_fault(&mut self, _: &mut Memory, _: u64, _: PageSize, _: *mut u8) -> bool {
false
}
fn invalid_op(&mut self, _: &mut [Value; 256], _: &mut usize, _: &mut Memory, _: u8) -> bool
where
Self: Sized,
{
false
}
fn ecall(&mut self, _: &mut [Value; 256], _: &mut usize, _: &mut Memory)
where
Self: Sized,
{
}
}