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
115 lines
1.5 KiB
Rust
115 lines
1.5 KiB
Rust
use x86::io;
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use device::serial::{COM1, COM2};
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use time;
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extern {
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fn irq_trigger(irq: u8);
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}
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#[inline(always)]
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unsafe fn master_ack() {
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io::outb(0x20, 0x20);
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}
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#[inline(always)]
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unsafe fn slave_ack() {
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io::outb(0xA0, 0x20);
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master_ack();
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}
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pub unsafe fn acknowledge(irq: usize) {
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if irq >= 8 {
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slave_ack();
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} else {
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master_ack();
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}
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}
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interrupt!(pit, {
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irq_trigger(0);
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{
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const PIT_RATE: u64 = 46500044;
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let mut offset = time::OFFSET.lock();
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let sum = offset.1 + PIT_RATE;
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offset.1 = sum % 1000000000;
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offset.0 += sum / 1000000000;
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}
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master_ack();
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});
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interrupt!(keyboard, {
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irq_trigger(1);
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});
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interrupt!(cascade, {
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irq_trigger(2);
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master_ack();
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});
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interrupt!(com2, {
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irq_trigger(3);
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COM2.lock().on_receive();
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master_ack();
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});
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interrupt!(com1, {
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irq_trigger(4);
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COM1.lock().on_receive();
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master_ack();
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});
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interrupt!(lpt2, {
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irq_trigger(5);
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master_ack();
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});
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interrupt!(floppy, {
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irq_trigger(6);
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master_ack();
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});
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interrupt!(lpt1, {
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irq_trigger(7);
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master_ack();
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});
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interrupt!(rtc, {
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irq_trigger(8);
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slave_ack();
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});
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interrupt!(pci1, {
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irq_trigger(9);
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slave_ack();
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});
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interrupt!(pci2, {
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irq_trigger(10);
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});
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interrupt!(pci3, {
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irq_trigger(11);
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});
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interrupt!(mouse, {
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irq_trigger(12);
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});
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interrupt!(fpu, {
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irq_trigger(13);
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slave_ack();
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});
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interrupt!(ata1, {
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irq_trigger(14);
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slave_ack();
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});
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interrupt!(ata2, {
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irq_trigger(15);
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slave_ack();
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});
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