diff options
| author | wires <wires@noreply.wires.systems> | 2025-10-06 06:07:10 -0400 |
|---|---|---|
| committer | wires <wires@noreply.wires.systems> | 2025-10-06 06:07:10 -0400 |
| commit | 2379c573da65fd13d4e5bd16619b321744ac37fe (patch) | |
| tree | 9552f19b902fe9626b6c9e644f131d7bad8bdd0e /src/mmio.zig | |
| parent | get building on 0.15.1 (diff) | |
| download | zosimos-2379c573da65fd13d4e5bd16619b321744ac37fe.tar.gz | |
blocking serial messages
Diffstat (limited to 'src/mmio.zig')
| -rw-r--r-- | src/mmio.zig | 9 |
1 files changed, 9 insertions, 0 deletions
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.*; +} |