224c43f761
* Port previous ethernet scheme * Add ipd * Fix initfs rebuilds, use QEMU user networking addresses in ipd * Add tcp/udp, netutils, dns, and network config * Add fsync to network driver * Add dns, router, subnet by default * Fix e1000 driver. Make ethernet and IP non-blocking to avoid deadlocks * Add orbital server, WIP * Add futex * Add orbutils and orbital * Update libstd, orbutils, and orbital Move ANSI key encoding to vesad * Add orbital assets * Update orbital * Update to add login manager * Add blocking primitives, block for most things except waitpid, update orbital * Wait in waitpid and IRQ, improvements for other waits * Fevent in root scheme * WIP: Switch to using fevent * Reorganize * Event based e1000d driver * Superuser-only access to some network schemes, display, and disk * Superuser root and irq schemes * Fix orbital
32 lines
682 B
Rust
32 lines
682 B
Rust
use core::intrinsics::{volatile_load, volatile_store};
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use core::mem::uninitialized;
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use core::ops::{BitAnd, BitOr, Not};
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use super::io::Io;
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#[repr(packed)]
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pub struct Mmio<T> {
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value: T,
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}
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impl<T> Mmio<T> {
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/// Create a new Mmio without initializing
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pub fn new() -> Self {
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Mmio {
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value: unsafe { uninitialized() }
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}
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}
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}
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impl<T> Io for Mmio<T> where T: Copy + PartialEq + BitAnd<Output = T> + BitOr<Output = T> + Not<Output = T> {
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type Value = T;
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fn read(&self) -> T {
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unsafe { volatile_load(&self.value) }
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}
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fn write(&mut self, value: T) {
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unsafe { volatile_store(&mut self.value, value) };
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}
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}
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