[Denali] Begin porting to rust.

rust/Cargo.lock

@@ -22,6 +22,7 @@ name = "denali"
 version = "0.1.0"
 dependencies = [
  "mammoth",
+ "yellowstone-yunq",
  "yunq",
  "yunqc",
 ]

rust/Cargo.toml

@@ -1,7 +1,7 @@
 [workspace]
 
-members = [ "lib/denali",
-  "lib/mammoth", "lib/victoriafalls", "lib/voyageurs", "lib/yellowstone", "lib/yunq", "lib/yunq-test", "sys/teton", "sys/yellowstone", "usr/testbed",
+members = [
+  "lib/mammoth", "lib/victoriafalls", "lib/voyageurs", "lib/yellowstone", "lib/yunq", "lib/yunq-test", "sys/denali", "sys/teton", "sys/yellowstone", "usr/testbed",
 ]
 resolver = "2"
 

rust/lib/denali/Cargo.toml

@@ -1,11 +0,0 @@
-[package]
-name = "denali"
-version = "0.1.0"
-edition = "2021"
-
-[dependencies]
-mammoth = { path = "../mammoth" }
-yunq = {path = "../yunq"}
-
-[build-dependencies]
-yunqc = {path = "../../../yunq/rust"}

rust/sys/denali/Cargo.toml

@@ -0,0 +1,21 @@
+[package]
+name = "denali"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+mammoth = { path = "../../lib/mammoth" }
+yunq = {path = "../../lib/yunq"}
+
+yellowstone-yunq = { path = "../../lib/yellowstone", optional = true }
+
+[[bin]]
+name = "denali"
+required-features = ["binary"]
+
+[build-dependencies]
+yunqc = {path = "../../../yunq/rust"}
+
+[features]
+default = ["binary"]
+binary = ["dep:yellowstone-yunq"]

rust/sys/denali/src/ahci/controller.rs

@@ -0,0 +1,49 @@
+use mammoth::mem::MemoryRegion;
+
+#[repr(C, packed)]
+pub struct PciDeviceHeader {
+    pub vendor_id: u16,
+    pub device_id: u16,
+    pub command_reg: u16,
+    pub status_reg: u16,
+    pub revision: u8,
+    pub prog_interface: u8,
+    pub subclass: u8,
+    pub class_code: u8,
+    pub cache_line_size: u8,
+    pub latency_timer: u8,
+    pub header_type: u8,
+    pub bist: u8,
+    pub bars: [u32; 5],
+    pub abar: u32,
+    pub reserved0: u32,
+    pub subsystem_id: u32,
+    pub expansion_rom: u16,
+    pub cap_ptr: u8,
+    pub reserved1: [u8; 7],
+    pub interrupt_line: u8,
+    pub interrupt_pin: u8,
+    pub min_grant: u8,
+    pub max_latency: u8,
+}
+
+pub struct AhciController {
+    pci_memory: MemoryRegion,
+}
+
+impl AhciController {
+    pub fn new(pci_memory: MemoryRegion) -> Self {
+        Self { pci_memory }
+    }
+
+    pub fn pci_header(&self) -> &mut PciDeviceHeader {
+        unsafe {
+            self.pci_memory
+                .mut_slice::<u8>()
+                .as_mut_ptr()
+                .cast::<PciDeviceHeader>()
+                .as_mut()
+                .unwrap()
+        }
+    }
+}

rust/sys/denali/src/ahci/mod.rs

@@ -0,0 +1,3 @@
+mod controller;
+
+pub use controller::AhciController;

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
+}

rust/sys/denali/src/lib.rs

@@ -3,3 +3,5 @@
 use core::include;
 
 include!(concat!(env!("OUT_DIR"), "/yunq.rs"));
+
+pub mod ahci;

rust/sys/yellowstone/Cargo.toml

@@ -5,7 +5,7 @@ edition = "2021"
 
 [dependencies]
 mammoth = { path = "../../lib/mammoth" }
-denali = { path = "../../lib/denali" }
+denali = { path = "../../sys/denali", default-features = false}
 victoriafalls = { path = "../../lib/victoriafalls" }
 voyageurs = { path = "../../lib/voyageurs" }
 yellowstone-yunq = { path = "../../lib/yellowstone" }

scripts/build_image.sh

@@ -40,7 +40,7 @@ cp ../zion/boot/limine.cfg efi/
 cp zion/zion efi/
 mkdir -p efi/sys
 cp ../sysroot/bin/yellowstone efi/sys/yellowstone
-cp sys/denali/denali efi/sys/denali
+cp ../sysroot/bin/denali efi/sys/denali
 cp sys/victoriafalls/victoriafalls efi/sys/victoriafalls
 
 mkdir -p sysroot

scripts/qemu.sh

@@ -23,7 +23,7 @@ for BIN in ${DIR}/../rust/usr/*/; do
 done
 
 for BIN in ${DIR}/../rust/sys/*/; do
-  cargo install --force --path "${BIN}" --root $CARGO_SYS_ROOT
+  cargo install --all-features --force --path "${BIN}" --root $CARGO_SYS_ROOT
 done
 popd