Merge branch 'master' into master

README.md

@@ -25,7 +25,7 @@ TODO
         - A ton more
 
 # Community
-[Discord](https://discord.gg/5TnJ8sa7)
+[Discord](https://discord.gg/JrKVukDtgs)
 
 # Compiling
 1. `git submodule update --init`

kernel/src/arch/x86_64/cpuid.rs

@@ -1,5 +1,7 @@
-use core::{arch::asm, fmt, ops::Deref, slice, str};
+use {
-
+    alloc::vec::Vec,
+    core::{arch::asm, fmt, ops::Deref, slice, str},
+};
 #[repr(u32)]
 pub enum RequestType {
     BasicInformation = 0x0000_0000,
@@ -767,6 +769,27 @@ impl Master {
             physical_address_size: pas,
         }
     }
+    // TODO: Macroify this and also include all of the cpu features from self
+    pub fn features(&self) -> Vec<(&str, bool)> {
+        let mut fv = Vec::new();
+        let apic = self.apic();
+        let avx = self.avx();
+        let avx2 = self.avx2();
+        let x2 = self.x2apic();
+
+        let gb_pages = self.gigabyte_pages();
+        let rdseed = self.rdseed();
+        let rdrand = self.rdrand();
+
+        fv.push(("apic", apic));
+        fv.push(("avx", avx));
+        fv.push(("avx2", avx2));
+        fv.push(("gigabyte pages", gb_pages));
+        fv.push(("rdrand", rdrand));
+        fv.push(("rdseed", rdseed));
+        fv.push(("x2apic", x2));
+        fv
+    }
 
     master_attr_reader!(version_information, VersionInformation);
     master_attr_reader!(

kernel/src/arch/x86_64/mod.rs

@@ -102,6 +102,7 @@ unsafe extern "C" fn _kernel_start() -> ! {
 
     let mut cpu_features = xml::XMLElement::new("CPU Features");
     {
+        cpuinfo.version_information().unwrap();
         let apic = cpuinfo.apic();
         let avx = cpuinfo.avx();
         let avx2 = cpuinfo.avx2();

kernel/src/capabilities.rs

@@ -0,0 +1,186 @@
+//! AbleOS capability tree implementation
+
+use {
+    crate::{tab, utils::TAB},
+    alloc::{
+        string::{String, ToString},
+        vec,
+    },
+    core::fmt,
+};
+
+// Seperate
+use alloc::vec::Vec;
+
+struct Argument {
+    name:  String,
+    type_: String,
+}
+
+struct Function {
+    name: String,
+    args: Vec<Argument>,
+    ret:  String,
+}
+
+struct Capability {
+    name: String,
+    functions: Vec<Function>,
+    sub_capabilities: Vec<Capability>,
+}
+
+impl Capability {
+    fn new(name: String) -> Capability {
+        Capability {
+            name,
+            functions: Vec::new(),
+            sub_capabilities: Vec::new(),
+        }
+    }
+}
+
+impl fmt::Display for Capability {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "Capability: {}\r\n", self.name)?;
+        for function in &self.functions {
+            write!(f, "{}Function: {}\r\n", tab!(1), function.name)?;
+            for arg in &function.args {
+                write!(
+                    f,
+                    "{}Argument: {} (Type: {})\r\n",
+                    tab!(2),
+                    arg.name,
+                    arg.type_
+                )?;
+            }
+            write!(f, "{}Return Type: {}\r\n", tab!(2), &function.ret)?;
+        }
+        for sub_capability in &self.sub_capabilities {
+            write!(f, "{}{}\r\n", tab!(1), sub_capability)?;
+        }
+        Ok(())
+    }
+}
+
+// impl Capability {
+//     fn to_string_with_indentation(&self, level: usize) -> String {
+//         let indent = tab!(level);
+//         let mut result = format!("{}Capability: {}\n", indent, self.name);
+//         for function in &self.functions {
+//             result.push_str(&format!(
+//                 "{}Function: {}\n",
+//                 tab!(indent + 1),
+//                 function.name
+//             ));
+//             for arg in &function.args {
+//                 result.push_str(&format!(
+//                     "{}Argument: {} (Type: {})\n",
+//                     tab!(indent + 2),
+//                     arg.name,
+//                     arg.type_
+//                 ));
+//             }
+//             result.push_str(&format!(
+//                 "{}Return Type: {}\n",
+//                 tab!(indent + 2),
+//                 &function.ret
+//             ));
+//         }
+//         for sub_capability in &self.sub_capabilities {
+//             result.push_str(&sub_capability.to_string_with_indentation(level + 1));
+//         }
+//         result
+//     }
+// }
+
+struct CapabilityTree {
+    capabilities: Vec<Capability>,
+}
+
+impl CapabilityTree {
+    fn new() -> CapabilityTree {
+        CapabilityTree {
+            capabilities: Vec::new(),
+        }
+    }
+}
+
+/// A super simple capabilities example
+pub fn example() {
+    let mut capability_tree = Capability::new("VFS".to_string());
+
+    let mut file_management_capability = Capability::new("File Management".to_string());
+    file_management_capability.functions.push(Function {
+        name: "OpenFile".to_string(),
+        args: vec![
+            Argument {
+                name:  "path".to_string(),
+                type_: "String".to_string(),
+            },
+            Argument {
+                name:  "mode".to_string(),
+                type_: "String".to_string(),
+            },
+        ],
+        ret:  "FileHandle".to_string(),
+    });
+    file_management_capability.functions.push(Function {
+        name: "ReadFile".to_string(),
+        args: vec![
+            Argument {
+                name:  "file".to_string(),
+                type_: "FileHandle".to_string(),
+            },
+            Argument {
+                name:  "buffer".to_string(),
+                type_: "&mut [u8]".to_string(),
+            },
+            Argument {
+                name:  "length".to_string(),
+                type_: "usize".to_string(),
+            },
+        ],
+        ret:  "usize".to_string(),
+    });
+    file_management_capability.functions.push(Function {
+        name: "WriteFile".to_string(),
+        args: vec![
+            Argument {
+                name:  "file".to_string(),
+                type_: "FileHandle".to_string(),
+            },
+            Argument {
+                name:  "buffer".to_string(),
+                type_: "&[u8]".to_string(),
+            },
+        ],
+        ret:  "None".to_string(),
+    });
+
+    let mut directory_management_capability = Capability::new("Directory Management".to_string());
+    directory_management_capability.functions.push(Function {
+        name: "CreateDirectory".to_string(),
+        args: vec![Argument {
+            name:  "path".to_string(),
+            type_: "String".to_string(),
+        }],
+        ret:  "bool".to_string(),
+    });
+    directory_management_capability.functions.push(Function {
+        name: "ListDirectory".to_string(),
+        args: vec![Argument {
+            name:  "path".to_string(),
+            type_: "String".to_string(),
+        }],
+        ret:  "Vec<String>".to_string(),
+    });
+
+    capability_tree
+        .sub_capabilities
+        .push(file_management_capability);
+    capability_tree
+        .sub_capabilities
+        .push(directory_management_capability);
+
+    log::debug!("CapTree\r\n{}", capability_tree);
+}

kernel/src/handle.rs

@@ -26,6 +26,7 @@ impl OSHandle {
 #[derive(Debug, Eq, Hash, PartialEq, Clone, Copy)]
 pub struct Handle {
     id:    OSHandle,
+    // TODO: Update this to be indexes into the caps
     perms: Permissions,
 }
 

kernel/src/kmain.rs

@@ -1,5 +1,7 @@
 //! AbleOS Kernel Entrypoint
 
+use crate::capabilities;
+
 // use crate::arch::sloop;
 use {
     crate::{
@@ -39,6 +41,8 @@ pub fn kmain(cmdline: &str, boot_modules: BootModules) -> ! {
     // TODO: schedule the filesystem driver from the initramfs
     // TODO: schedule the init system from the initramfs
 
+    capabilities::example();
+
     // TODO: change this to a driver
     {
         let mut prog = alloc::vec![];

kernel/src/lib.rs

@@ -22,6 +22,7 @@ extern crate alloc;
 mod allocator;
 mod arch;
 mod bootmodules;
+pub mod capabilities;
 pub mod device_tree;
 pub mod handle;
 pub mod host;

repbuild/src/main.rs

@@ -173,20 +173,21 @@ fn run(release: bool, target: Target) -> Result<(), Error> {
             "-m", "4G",
             // "-serial", "stdio",
             "-smp", "cores=4",
-            "-vga", "cirrus",
+            // "-vga", "cirrus",
             // "-device", "ati-vga",
-            "-device", "virtio-gpu-pci",
+            // "-device", "virtio-gpu-pci",
 
-	        "-device", "virtio-serial,id=virtio-serial0",
+	        // "-device", "virtio-serial,id=virtio-serial0",
-		    "-chardev", "stdio,id=char0,mux=on",
+		    // "-chardev", "stdio,id=char0,mux=on",
-            "-device", "virtconsole,chardev=char0",
+            // "-device", "virtconsole,chardev=char0",
-            "-device", "virtio-mouse-pci",
+            // "-device", "virtio-mouse-pci",
 
             // "-device", "ati-vga", "model=rage128p"
         ]);
 
         #[cfg(target_os = "linux")]
         {
+
             //com.args(["-enable-kvm", "-cpu", "host"]);
         }
     }