initial work torwards std lib support for uefi

1 files changed, 60 insertions, 0 deletions

diff --git a/std/os/uefi/protocols/absolute_pointer_protocol.zig b/std/os/uefi/protocols/absolute_pointer_protocol.zig
new file mode 100644
index 0000000000..ce6309b592
--- /dev/null
+++ b/std/os/uefi/protocols/absolute_pointer_protocol.zig
@@ -0,0 +1,60 @@
+const uefi = @import("std").os.uefi;
+const Event = uefi.Event;
+const Guid = uefi.Guid;
+
+/// UEFI Specification, Version 2.8, 12.7
+pub const AbsolutePointerProtocol = extern struct {
+    _reset: extern fn (*const AbsolutePointerProtocol, bool) usize,
+    _get_state: extern fn (*const AbsolutePointerProtocol, *AbsolutePointerState) usize,
+    wait_for_input: *Event,
+    mode: *AbsolutePointerMode,
+
+    pub fn reset(self: *const AbsolutePointerProtocol, verify: bool) usize {
+        return self._reset(self, verify);
+    }
+
+    pub fn getState(self: *const AbsolutePointerProtocol, state: *AbsolutePointerState) usize {
+        return self._get_state(self, state);
+    }
+
+    pub const guid align(8) = Guid{
+        .time_low = 0x8d59d32b,
+        .time_mid = 0xc655,
+        .time_high_and_version = 0x4ae9,
+        .clock_seq_high_and_reserved = 0x9b,
+        .clock_seq_low = 0x15,
+        .node = [_]u8{ 0xf2, 0x59, 0x04, 0x99, 0x2a, 0x43 },
+    };
+};
+
+pub const AbsolutePointerMode = extern struct {
+    absolute_min_x: u64,
+    absolute_min_y: u64,
+    absolute_min_z: u64,
+    absolute_max_x: u64,
+    absolute_max_y: u64,
+    absolute_max_z: u64,
+    attributes: u32,
+
+    pub const supports_alt_active: u32 = 1;
+    pub const supports_pressure_as_z: u32 = 2;
+};
+
+pub const AbsolutePointerState = extern struct {
+    current_x: u64,
+    current_y: u64,
+    current_z: u64,
+    active_buttons: u32,
+
+    pub fn init() AbsolutePointerState {
+        return AbsolutePointerState{
+            .current_x = undefined,
+            .current_y = undefined,
+            .current_z = undefined,
+            .active_buttons = undefined,
+        };
+    }
+
+    pub const touch_active: u32 = 1;
+    pub const alt_active: u32 = 2;
+};