Move x86-specific code into an arch/x86 module

3 files changed, 16 insertions, 0 deletions

diff --git a/kernel/src/arch/mod.rs b/kernel/src/arch/mod.rs
new file mode 100644
index 0000000..8581bb3
--- /dev/null
+++ b/kernel/src/arch/mod.rs
@@ -0,0 +1 @@
+pub(crate) mod x86;
diff --git a/kernel/src/arch/x86/io.rs b/kernel/src/arch/x86/io.rs
new file mode 100644
index 0000000..a647408
--- /dev/null
+++ b/kernel/src/arch/x86/io.rs
@@ -0,0 +1,14 @@
+pub unsafe fn out8(address: u16, value: u8) {
+    asm!(
+    "out dx, al", in("dx") address, in("al") value
+    );
+}
+
+pub unsafe fn in8(address: u16) -> u8 {
+    let result: u8;
+    asm!(
+    "in al, dx", in("dx") address, out("al") result
+    );
+
+    result
+}
diff --git a/kernel/src/arch/x86/mod.rs b/kernel/src/arch/x86/mod.rs
new file mode 100644
index 0000000..af514a1
--- /dev/null
+++ b/kernel/src/arch/x86/mod.rs
@@ -0,0 +1 @@
+pub mod io;