From a04cf2dbb8d2e890405fbf0a1022aaad3015b1e8 Mon Sep 17 00:00:00 2001
From: Christian Cunningham <cc@localhost>
Date: Fri, 26 Aug 2022 17:25:34 -0700
Subject: Modularize

---
 src/kernel.rs | 40 ++++++++++++++++++++++------------------
 1 file changed, 22 insertions(+), 18 deletions(-)

(limited to 'src/kernel.rs')

diff --git a/src/kernel.rs b/src/kernel.rs
index 36b6e42..8c7ab58 100644
--- a/src/kernel.rs
+++ b/src/kernel.rs
@@ -15,26 +15,17 @@
 #![feature(exclusive_range_pattern)]
 #![feature(default_alloc_error_handler)]
 #![feature(optimize_attribute)]
+#![feature(naked_functions)]
 #![no_main]
 #![no_std]
 
-extern crate alloc;
-pub use alloc::boxed::Box;
-pub use alloc::format;
-pub use alloc::string::String;
-
-mod console;
+mod bsp;
 mod cpu;
-mod draw;
-mod gpio;
-mod mem;
-mod panic_wait;
-mod print;
-mod sync;
-mod uart;
+mod lib;
 mod util;
-use crate::console::console;
-use crate::mem::alloc::allocator;
+use crate::lib::console::console;
+use crate::util::mem::alloc::allocator;
+use crate::util::mem::{format, Box, String};
 
 /// # Initialization Code
 ///
@@ -48,10 +39,13 @@ use crate::mem::alloc::allocator;
 ///    - serial_println!
 ///    - vprint!
 ///    - vserial_println!
+///  - MMU
+///    - SpinLocks
 ///
 /// After initialization, jump to
 /// the regular main.
 unsafe fn kernel_init() -> ! {
+    util::mem::mmu_init();
     console().init().unwrap();
     allocator().init().unwrap();
     kernel_main()
@@ -80,7 +74,7 @@ fn kernel_main() -> ! {
             "\x1b[94mAuthors:\x1b[0m \x1b[95m{}\x1b[0m",
             env!("CARGO_PKG_AUTHORS")
         );
-        use crate::console::interface::Statistics;
+        use crate::lib::console::interface::Statistics;
         serial_println!(
             "Characters written to UART: \x1b[91m{}\x1b[0m",
             console().chars_written()
@@ -94,7 +88,7 @@ fn kernel_main() -> ! {
 }
 
 fn run_verbose() {
-    serial_println!("U8: {:?}", mem::alloc::U8_GRAND_ALLOC);
+    serial_println!("U8: {:?}", util::mem::alloc::U8_GRAND_ALLOC);
     {
         let mut s = String::new();
         for _ in 0..128 {
@@ -130,9 +124,19 @@ fn run_verbose() {
         assert_eq!(*c, 7);
         serial_println!("{} {} {}", a, b, c);
     }
-    use crate::console::interface::Statistics;
+    use crate::lib::console::interface::Statistics;
     serial_println!(
         "Characters written to UART: \x1b[91m{}\x1b[0m",
         console().chars_written()
     );
 }
+
+#[no_mangle]
+/// # SVC Handler
+pub fn svc_handler(code: u32) {
+    match code {
+        _ => {
+            serial_println!("Unhandled Service Call!");
+        }
+    }
+}
-- 
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