[Denali] Begin porting to rust.

rust/sys/denali/src/bin/denali.rs

@@ -0,0 +1,29 @@
+#![no_std]
+#![no_main]
+
+extern crate alloc;
+
+use mammoth::{define_entry, zion::z_err_t};
+
+use denali::ahci::AhciController;
+
+define_entry!();
+
+#[no_mangle]
+extern "C" fn main() -> z_err_t {
+    mammoth::debug!("IN Denali!");
+
+    let yellowstone = yellowstone_yunq::from_init_endpoint();
+
+    let ahci_info = yellowstone
+        .get_ahci_info()
+        .expect("Failed to get ahci info");
+
+    let ahci_controller = AhciController::new(
+        mammoth::mem::MemoryRegion::from_cap(mammoth::cap::Capability::take(ahci_info.ahci_region))
+            .unwrap(),
+    );
+
+    mammoth::debug!("AHCI ABAR {:#x}", ahci_controller.pci_header().abar as u64);
+    0
+}