From df083e306a53e6a45a5730e7059032be43cc75ff Mon Sep 17 00:00:00 2001
From: Nick Shipp <nick@shipp.ninja>
Date: Sun, 30 Sep 2018 17:05:47 -0400
Subject: Dirty rotten commit full of badness

Milestone: Got SMP cores booting and into long mode.
The rest is all trash, but maybe trash worth a future archaeological
dig.
---
 bunny/src/io.rs | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 bunny/src/io.rs

(limited to 'bunny/src/io.rs')

diff --git a/bunny/src/io.rs b/bunny/src/io.rs
new file mode 100644
index 0000000..2fae55a
--- /dev/null
+++ b/bunny/src/io.rs
@@ -0,0 +1,18 @@
+use x86_64::instructions::port::{Port, PortReadWrite};
+
+const PIC1             : u16 = 0x20;
+const PIC2             : u16 = 0xa0;
+#[allow(unused)]
+pub const PIC1_COMMAND : u16 = PIC1;
+pub const PIC1_DATA    : u16 = PIC1;
+#[allow(unused)]
+pub const PIC2_COMMAND : u16 = PIC2 + 1;
+pub const PIC2_DATA    : u16 = PIC2 + 1;
+
+pub const PIC_DISABLE  : u8 = 0xff;
+
+#[inline(always)]
+pub unsafe fn out<T: PortReadWrite>(port: u16, value: T) {
+    let mut p = Port::new(port);
+    p.write(value)
+}
-- 
cgit v1.2.3-70-g09d2