From 2379c573da65fd13d4e5bd16619b321744ac37fe Mon Sep 17 00:00:00 2001
From: wires <wires@noreply.wires.systems>
Date: Mon, 6 Oct 2025 06:07:10 -0400
Subject: blocking serial messages

---
 src/mmio.zig | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 src/mmio.zig

(limited to 'src/mmio.zig')

diff --git a/src/mmio.zig b/src/mmio.zig
new file mode 100644
index 0000000..7233733
--- /dev/null
+++ b/src/mmio.zig
@@ -0,0 +1,9 @@
+pub fn write(reg: comptime_int, val: u32) void {
+    const mmio_ptr: *volatile u32 = @ptrFromInt(reg);
+    mmio_ptr.* = val;
+}
+
+pub fn read(reg: comptime_int) u32 {
+    const mmio_ptr: *volatile u32 = @ptrFromInt(reg);
+    return mmio_ptr.*;
+}
-- 
cgit 1.4.1