bjorn3
80 lines
2.1 KiB
Rust
80 lines
2.1 KiB
Rust
//! <https://www.qemu.org/docs/master/specs/standard-vga.html>
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use inputd::ProducerHandle;
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use pcid_interface::PciFunctionHandle;
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use redox_scheme::{
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scheme::{register_sync_scheme, SchemeState},
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RequestKind, SignalBehavior, Socket,
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};
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use crate::bga::Bga;
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use crate::scheme::BgaScheme;
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mod bga;
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mod scheme;
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// FIXME add a driver-graphics implementation
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fn main() {
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pcid_interface::pci_daemon(daemon);
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}
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fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> ! {
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let pci_config = pcid_handle.config();
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let mut name = pci_config.func.name();
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name.push_str("_bga");
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common::setup_logging(
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"graphics",
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"pci",
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&name,
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common::output_level(),
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common::file_level(),
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);
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log::info!("BGA {}", pci_config.func.display());
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let socket = Socket::create().expect("bgad: failed to create bga scheme");
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let bar = unsafe { pcid_handle.map_bar(2) }.ptr.as_ptr();
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let mut bga = unsafe { Bga::new(bar) };
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log::debug!("BGA {}x{}", bga.width(), bga.height());
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let mut state = SchemeState::new();
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let mut scheme = BgaScheme {
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bga,
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display: ProducerHandle::new().ok(),
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};
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register_sync_scheme(&socket, "bga", &mut scheme).expect("bgad: failed to register bga scheme");
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daemon.ready();
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libredox::call::setrens(0, 0).expect("bgad: failed to enter null namespace");
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loop {
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let Some(request) = socket
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.next_request(SignalBehavior::Restart)
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.expect("bgad: failed to get next scheme request")
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else {
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// Scheme likely got unmounted
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std::process::exit(0);
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};
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match request.kind() {
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RequestKind::Call(call) => {
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let response = call.handle_sync(&mut scheme, &mut state);
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socket
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.write_response(response, SignalBehavior::Restart)
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.expect("bgad: failed to write next scheme response");
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}
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RequestKind::OnClose { id } => {
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scheme.on_close(id);
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}
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_ => (),
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}
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}
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}
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