forked from koniifer/ableos
89 lines
2.4 KiB
Rust
89 lines
2.4 KiB
Rust
//! the system interface
|
|
|
|
// use {
|
|
// crate::ipc::message::Message,
|
|
// alloc::vec::Vec,
|
|
// crossbeam_queue::{ArrayQueue, SegQueue},
|
|
// // hbvm::engine::Engine,
|
|
// log::trace,
|
|
// HostError::MemoryError,
|
|
// };
|
|
/// Host errors
|
|
pub enum HostError {
|
|
/// A host memory error
|
|
MemoryError,
|
|
}
|
|
|
|
// / Check f0 register for the handle
|
|
// / check f1 for the message ptr
|
|
// / check f2 for the message length
|
|
// pub fn ipc_send(engine: &mut Engine) -> Result<(), HostError> {
|
|
// let _handle = engine.registers.f0;
|
|
// let message_start = engine.registers.f1;
|
|
// let message_length = engine.registers.f2;
|
|
|
|
// let mut ipc_msg: Vec<u8> = alloc::vec![];
|
|
|
|
// for x in message_start..message_start + message_length {
|
|
// let byte = engine.read_mem_addr_8(x);
|
|
// match byte {
|
|
// Ok(byte) => ipc_msg.push(byte),
|
|
// Err(_) => return Err(MemoryError),
|
|
// }
|
|
// }
|
|
// log::trace!("Message bytes {:?}", ipc_msg);
|
|
// Ok(())
|
|
// }
|
|
|
|
// // pub fn ipc_recv(_engine: &mut Engine) {}
|
|
|
|
// /// Check f0 for the buffer type
|
|
// /// 0 means an unbound buffer
|
|
// /// 1 means a bound buffer
|
|
// /// Check f1 if the buffer is bound
|
|
// ///
|
|
// /// f2 Return a handle to the sender
|
|
// /// f3 returns a handle the the reciever
|
|
// pub fn ipc_mkbuf(engine: &mut Engine) {
|
|
// match engine.registers.f0 as usize {
|
|
// 0 => {
|
|
// trace!("Making a new ipc unbound buffer");
|
|
// let _buf: SegQueue<Message> = SegQueue::new();
|
|
// }
|
|
// 1 => {
|
|
// let buf_len = engine.registers.f1 as usize;
|
|
// trace!("Making a new ipc buffer with capacity {}", buf_len);
|
|
// let _buf: ArrayQueue<Message> = ArrayQueue::new(buf_len);
|
|
// }
|
|
// _ => {}
|
|
// }
|
|
// }
|
|
|
|
// // pub fn rpc_discover(_engine: &mut Engine) {}
|
|
// // pub fn rpc_register(_engine: &mut Engine) {}
|
|
// // pub fn rpc_call(_engine: &mut Engine) {}
|
|
|
|
use {hbvm::vm::mem::HandlePageFault, log::error};
|
|
/// AbleOS HBVM traphandler
|
|
pub struct TrapHandler;
|
|
impl HandlePageFault for TrapHandler {
|
|
fn page_fault(
|
|
&mut self,
|
|
reason: hbvm::vm::mem::MemoryAccessReason,
|
|
memory: &mut hbvm::vm::mem::Memory,
|
|
vaddr: u64,
|
|
size: hbvm::vm::mem::PageSize,
|
|
dataptr: *mut u8,
|
|
) -> bool {
|
|
error!(
|
|
"REASON: {}
|
|
memory: {:?}
|
|
vaddr: {}
|
|
size: {:?}
|
|
Dataptr {:?}",
|
|
reason, memory, vaddr, size, dataptr
|
|
);
|
|
false
|
|
}
|
|
}
|