Init a basic shell

kernel/Cargo.toml

@@ -56,3 +56,4 @@ futures-util = { version = "0.3.31", default-features = false, features = [
     "async-await-macro",
     "futures-macro",
 ] }
+ps2 = "0.2.0"

kernel/limage_config.toml

@@ -29,7 +29,7 @@ base_args = [
 
     # Graphics
     "-vga", "std",
-
+"-serial", "stdio",
     # Debugging traces
     # USB
     # "-trace", "usb*",
@@ -44,7 +44,7 @@ base_args = [
 
 [modes]
 terminal = { args = ["-nographic"] }
-gui = { args = [] }
+gui = { args = ["-serial", "stdio"] }
 gdb-terminal = { args = ["-nographic", "-s", "-S"] }
 gdb-gui = { args = ["-s", "-S"] }
 
@@ -54,6 +54,5 @@ success_exit_code = 33
 no_reboot = true
 extra_args = [
     "-device", "isa-debug-exit,iobase=0xf4,iosize=0x04",
-    "-serial", "stdio",
     "-display", "none"
 ]

kernel/src/constants/syscalls.rs

@@ -8,6 +8,9 @@ pub const SYSCALL_MPROTECT: u32 = 10;
 pub const SYSCALL_MUNMAP: u32 = 11;
 pub const SYSCALL_FORK: u32 = 5;
 pub const SYSCALL_WAIT: u32 = 6;
+pub const SYSCALL_READ: u32 = 0;
+pub const SYSCALL_WRITE: u32 = 1;
+pub const SYSCALL_EXECVE: u32 = 59;
 
 // Mmap
 pub const START_MMAP_ADDRESS: u64 = 0x0900_0000_0000;

kernel/src/devices/mod.rs

@@ -11,10 +11,9 @@ use sd_card::{find_sd_card, initalize_sd_card};
 use xhci::{find_xhci_inferface, initalize_xhci_hub};
 pub mod graphics;
 use graphics::framebuffer::{self, colors};
-pub mod keyboard;
 pub mod mmio;
-pub mod mouse;
 pub mod pci;
+pub mod ps2_dev;
 pub mod sd_card;
 pub mod serial;
 pub mod xhci;
@@ -74,7 +73,6 @@ pub fn init(cpu_id: u32) {
             find_xhci_inferface(&devices).expect("Build system currently sets up xhci device");
         initalize_xhci_hub(&xhci_device).unwrap();
 
-        keyboard::init().expect("Failed to initialize keyboard");
-        mouse::init().expect("Failed to initialize mouse");
+        ps2_dev::init();
     }
 }