Fix offsetting in vga text buffer

2 files changed, 4 insertions, 6 deletions

diff --git a/kernel/src/io/vga_text.rs b/kernel/src/io/vga_text.rs
index c6d8731..890defb 100644
--- a/kernel/src/io/vga_text.rs
+++ b/kernel/src/io/vga_text.rs
@@ -223,6 +223,7 @@ impl<'a> VgaTerminalControllerLock<'a> {
                     chars.as_ptr(),
                     core::mem::size_of::<VgaChar>() * chars.len(),
                 );
+                *self.lock = self.lock.offset(chars.len() as isize);
             }
         }
     }
diff --git a/kernel/tests/stack_overflow.rs b/kernel/tests/stack_overflow.rs
index fc93376..7427d3a 100644
--- a/kernel/tests/stack_overflow.rs
+++ b/kernel/tests/stack_overflow.rs
@@ -16,8 +16,7 @@ extern "C" fn _start() -> ! {
         exception_handlers::expect_fault(interrupts::InterruptType::PageFault);
     }
     _loop(0);
-    panic!("PAGE_FAULT not caught");
-    loop {}
+    panic!("PAGE_FAULT not caught")
 }
 
 fn _loop(i: u128) -> u128 {
@@ -25,8 +24,7 @@ fn _loop(i: u128) -> u128 {
         return i;
     }
     let n = i;
-    let mut stdout = kernel::OStream::new();
-    write!(&mut stdout, "{:x}", &n as *const u128 as u128).unwrap();
+    kernel::vga_println!("{:x}", &n as *const u128 as u128);
     _loop(i + 1)
 }
 
@@ -34,6 +32,5 @@ fn _loop(i: u128) -> u128 {
 #[panic_handler]
 #[no_mangle]
 extern "C" fn panic_handler(info: &core::panic::PanicInfo) -> ! {
-    kernel::testing::serial_panic(info);
-    loop {}
+    kernel::testing::serial_panic(info)
 }