From 5a1a84b1c7bb9f0b402dde0eecdb776e5b774dfe Mon Sep 17 00:00:00 2001
From: Able <abl3theabove@gmail.com>
Date: Mon, 7 Feb 2022 06:38:18 -0600
Subject: [PATCH] syscall

---
 ableos/src/kmain.rs               | 67 ++++++++++++++++---------------
 ableos/src/syscalls/file_calls.rs |  9 +++--
 lib_syscalls/C/file_calls.c       | 29 +++++++++++++
 lib_syscalls/README.md            |  1 +
 4 files changed, 70 insertions(+), 36 deletions(-)
 create mode 100644 lib_syscalls/C/file_calls.c
 create mode 100644 lib_syscalls/README.md

diff --git a/ableos/src/kmain.rs b/ableos/src/kmain.rs
index 9b741bc..5b38e78 100644
--- a/ableos/src/kmain.rs
+++ b/ableos/src/kmain.rs
@@ -42,43 +42,43 @@ pub fn kernel_main() -> ! {
     log::set_max_level(BOOT_CONF.log_level());
 
     {
-        {
-            let mut scheduler = SCHEDULER.lock();
+        let mut scheduler = SCHEDULER.lock();
 
-            use crate::scheduler::Priority::*;
-            let mut process_1 = scheduler.new_process(High);
-            process_1.capabilities.files = FileAccess::Some(vec![PathRep {
-                location: FileLocations::Home,
-                file_name: "test".to_string(),
-            }]);
-            scheduler.add_process(process_1);
-            for ref_process in &scheduler.list {
-                trace!("{:?}", ref_process);
-            }
-            drop(scheduler);
-        }
-
-        use crate::proto_filetable::file::FileLocations;
-
-        {
-            let mut sock_print_id = SimpleSock::new();
-            sock_print_id.register_protocol("Screen Printer".to_string());
-            sock_print_id.write(format!("🐑").into());
-
-            let mut mode = SCREEN_BUFFER.lock();
-
-            mode.force_redraw();
-            for current in (*String::from_utf8_lossy(&sock_print_id.peek().unwrap())).chars() {
-                mode.draw_char(0, 0, current, from_vga_16(Color16::Red));
-            }
-            mode.copy_to_buffer();
+        use crate::scheduler::Priority::*;
+        let mut process_1 = scheduler.new_process(High);
+        process_1.capabilities.files = FileAccess::Some(vec![PathRep {
+            location: FileLocations::Home,
+            file_name: "test".to_string(),
+        }]);
+        scheduler.add_process(process_1);
+        for ref_process in &scheduler.list {
+            trace!("{:?}", ref_process);
         }
+        drop(scheduler);
     }
+
+    use crate::proto_filetable::file::FileLocations;
+
+    if false {
+        let mut sock_print_id = SimpleSock::new();
+        sock_print_id.register_protocol("Screen Printer".to_string());
+        sock_print_id.write(format!("🐑").into());
+
+        let mut mode = SCREEN_BUFFER.lock();
+
+        mode.force_redraw();
+        for current in (*String::from_utf8_lossy(&sock_print_id.peek().unwrap())).chars() {
+            mode.draw_char(0, 0, current, from_vga_16(Color16::Red));
+        }
+        mode.copy_to_buffer();
+    }
+
     if false {
         // Currently not implemented
-        let acpi_handler = ACPI_struct {};
+        let acpi_handler = AcpiStruct {};
+        let mut table;
         unsafe {
-            let table = AcpiTables::search_for_rsdp_bios(acpi_handler);
+            table = AcpiTables::search_for_rsdp_bios(acpi_handler);
         }
     }
 
@@ -95,6 +95,7 @@ pub fn tick() {
     crate::kernel_state::KERNEL_STATE.lock().update_state();
     // let mut scheduler = SCHEDULER.lock();
     // scheduler.bump_exec();
+    // drop(scheduler);
 
     TICK.store(data, Relaxed)
 }
@@ -124,9 +125,9 @@ pub fn generate_process_pass() -> u128 {
 
 // TODO: move to a better place
 #[derive(Clone, Copy, Debug, PartialEq, Eq)]
-pub struct ACPI_struct {}
+pub struct AcpiStruct {}
 
-impl acpi::AcpiHandler for ACPI_struct {
+impl acpi::AcpiHandler for AcpiStruct {
     unsafe fn map_physical_region<T>(
         &self,
         physical_address: usize,
diff --git a/ableos/src/syscalls/file_calls.rs b/ableos/src/syscalls/file_calls.rs
index d4cb492..653eced 100644
--- a/ableos/src/syscalls/file_calls.rs
+++ b/ableos/src/syscalls/file_calls.rs
@@ -18,13 +18,16 @@ pub extern "C" fn remove_directory(path: Path, force_delete: bool) {
 /// # Arguments
 /// * `full_path` - The full path of the directory to create
 #[no_mangle]
-pub extern "C" fn create_directory(path: Path) -> Result<(), FileErrors> {
+pub extern "C" fn create_directory(path: Path) -> FSReturns {
     unimplemented!();
 }
 
 #[repr(C)]
-/// Errors that can occur when messing with files
-pub enum FileErrors {
+/// A return used by the file related system calls
+pub enum FSReturns {
+    /// The system call was successful
+    Ok,
+
     /// The directory can not be created
     DirectoryCouldNotBeCreated,
     /// The directory could not be removed
diff --git a/lib_syscalls/C/file_calls.c b/lib_syscalls/C/file_calls.c
new file mode 100644
index 0000000..cb28bea
--- /dev/null
+++ b/lib_syscalls/C/file_calls.c
@@ -0,0 +1,29 @@
+enum FSReturns {
+    /// The system call was successful
+    Ok,
+    /// The directory can not be created
+    DirectoryCouldNotBeCreated,
+    /// The directory could not be removed
+    DirectoryCouldNotBeRemoved,
+    ///
+    FileCouldNotBeCreated,
+    ///
+    FileCouldNotBeRemoved,
+    /// The file could not be opened
+    FileCouldNotBeOpened,
+    ///
+    FileCouldNotBeClosed,
+}; 
+
+int create_directory(path) {
+    return DirectoryCouldNotBeCreated;
+}
+///
+int remove_directory(path) {
+    return DirectoryCouldNotBeRemoved;
+}
+
+
+
+
+
diff --git a/lib_syscalls/README.md b/lib_syscalls/README.md
new file mode 100644
index 0000000..72dff5f
--- /dev/null
+++ b/lib_syscalls/README.md
@@ -0,0 +1 @@
+# The libraries here are simplified examples of syscall APi
\ No newline at end of file