riscv work

ableos/.cargo/config.toml

@@ -11,4 +11,5 @@ rustflags = ["-C", "target-feature=+rdrand"]
 runner = "bootimage runner"
 
 [target.riscv64gc-unknown-none-elf]
-rustflags = "-C link-arg=-T../ableos/src/arch/riscv/virt.lds"
+rustflags = "-C link-arg=-Tableos/src/arch/riscv/virt.lds"
+# ableos/src/arch/riscv/virt.lds

ableos/src/arch/riscv/drivers/mod.rs

@@ -1,4 +1,5 @@
 pub mod allocator;
 pub mod graphics;
 pub mod mmio;
+pub mod sysinfo;
 pub mod uart;

ableos/src/arch/riscv/drivers/sysinfo.rs

@@ -1 +1,23 @@
 pub fn sysinfo() {}
+pub fn master() -> Option<Master> {
+    Some(Master {
+        brand_string: Some("riscv".to_string()),
+    })
+}
+
+pub struct Master {
+    // TODO: Rename struct
+    // version_information: Option<VersionInformation>,
+    // thermal_power_management_information: Option<ThermalPowerManagementInformation>,
+    // structured_extended_information: Option<StructuredExtendedInformation>,
+    // extended_processor_signature: Option<ExtendedProcessorSignature>,
+    pub brand_string: Option<String>,
+    // cache_line: Option<CacheLine>,
+    // time_stamp_counter: Option<TimeStampCounter>,
+    // physical_address_size: Option<PhysicalAddressSize>,
+}
+impl Master {
+    pub fn brand_string(&self) -> Option<&str> {
+        self.brand_string.as_deref()
+    }
+}

ableos/src/arch/riscv/mod.rs

@@ -51,6 +51,7 @@ extern "C" fn _start() -> ! {
                     uart.put('\r' as u8);
                 }
 
+                /*
                                 91 => {
                                     if let Some(ch) = uart.get() {
                                         match ch as char {
@@ -66,10 +67,13 @@ extern "C" fn _start() -> ! {
                                             'D' => {
                                                 serial_println!("That's the left arrow!");
                                             }
+                                            _ => {
+                                                serial_println!("That's something else!");
                                             }
                                         }
                                     }
-
+                                }
+                */
                 _ => {
                     uart.put(c);
                 }

ableos/src/experiments/kinfo.rs

@@ -42,7 +42,6 @@ impl KernelInfo {
         enable();
 
         let cpu = CpuType::X86_64(master().unwrap().brand_string().unwrap().to_string());
-
         KernelInfo {
             kernel_version: Version {
                 major: 0,

ableos/src/rhai_shell/mod.rs

@@ -69,7 +69,6 @@ pub fn afetch() {
     let used = allocator.used();
     enable();
 
-    // let mem = format!("{}/{}", used, size);
     println!(
         include_str!("balloon.txt"),
         kstate.hostname,
@@ -77,6 +76,7 @@ pub fn afetch() {
         KERNEL_VERSION,
         tick_time,
         master().unwrap().brand_string().unwrap(),
+        // "",
         // mem
         used,
         size

ableos/src/wasm_jumploader/host_functions.rs

@@ -168,6 +168,7 @@ impl Externals for HostExternals {
 
             GET_INPUT_INDEX => {
                 let input = 
+                // None;
                 x86_64::instructions::interrupts::without_interrupts(|| KEYBUFF.lock().pop());
                 if let Some(chr) = input {
                     trace!("SYSCALL: input: {}", chr);