78 lines
2 KiB
Rust
78 lines
2 KiB
Rust
use {
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hbbytecode::valider::validate,
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hbvm::{
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softpaging::{paging::PageTable, HandlePageFault, PageSize, SoftPagedMem},
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MemoryAccessReason, Vm,
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},
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std::io::{stdin, Read},
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};
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fn main() -> Result<(), Box<dyn std::error::Error>> {
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let mut prog = vec![];
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stdin().read_to_end(&mut prog)?;
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if let Err(e) = validate(&prog) {
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eprintln!("Program validation error: {e:?}");
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return Ok(());
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} else {
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unsafe {
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let mut vm = Vm::<_, 0>::new(
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SoftPagedMem {
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pf_handler: TestTrapHandler,
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program: &prog,
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root_pt: Box::into_raw(Default::default()),
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},
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4,
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);
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let data = {
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let ptr = std::alloc::alloc_zeroed(std::alloc::Layout::from_size_align_unchecked(
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4096, 4096,
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));
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if ptr.is_null() {
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panic!("Alloc error tbhl");
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}
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ptr
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};
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vm.memory
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.map(
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data,
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8192,
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hbvm::softpaging::paging::Permission::Write,
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PageSize::Size4K,
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)
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.unwrap();
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println!("Program interrupt: {:?}", vm.run());
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println!("{:?}", vm.registers);
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println!("{:?}", core::slice::from_raw_parts(data, 4096));
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std::alloc::dealloc(
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data,
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std::alloc::Layout::from_size_align_unchecked(4096, 4096),
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);
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vm.memory.unmap(8192).unwrap();
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}
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}
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Ok(())
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}
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pub fn time() -> u32 {
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9
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}
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#[derive(Default)]
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struct TestTrapHandler;
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impl HandlePageFault for TestTrapHandler {
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fn page_fault(
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&mut self,
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_: MemoryAccessReason,
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_: &mut PageTable,
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_: u64,
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_: PageSize,
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_: *mut u8,
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) -> bool {
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false
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}
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}
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