diff --git a/.gitignore b/.gitignore
index f0e3bcac..a7afaa89 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,4 @@
 /target
-**/*.rs.bk
\ No newline at end of file
+**/*.rs.bk
+
+.vscode
diff --git a/Cargo.lock b/Cargo.lock
index abb652bd..14e66a9d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -22,18 +22,19 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 name = "blog_os"
 version = "0.1.0"
 dependencies = [
- "bootloader 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "spin 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bootloader",
+ "lazy_static",
+ "spin",
  "uart_16550 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "volatile 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "volatile",
  "x86_64 0.7.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "bootloader"
-version = "0.8.1"
+version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d596849a47f28abdea62d7a6a25c4f6e69c3d9b09b0a2877db6e9cda004ca993"
 
 [[package]]
 name = "cast"
@@ -44,8 +45,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 name = "lazy_static"
 version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 dependencies = [
- "spin 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "spin",
 ]
 
 [[package]]
@@ -57,6 +59,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 name = "spin"
 version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
 
 [[package]]
 name = "uart_16550"
@@ -76,7 +79,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 name = "volatile"
 version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-
+checksum = "6af0edf5b4faacc31fc51159244d78d65ec580f021afcef7bd53c04aeabc7f29"
 [[package]]
 name = "x86_64"
 version = "0.7.5"
@@ -89,16 +92,11 @@ dependencies = [
  "ux 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[metadata]
 "checksum array-init 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "23589ecb866b460d3a0f1278834750268c607e8e28a1b982c907219f3178cd72"
 "checksum bit_field 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ed8765909f9009617974ab6b7d332625b320b33c326b1e9321382ef1999b5d56"
 "checksum bitflags 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8a606a02debe2813760609f57a64a2ffd27d9fdf5b2f133eaca0b248dd92cdd2"
-"checksum bootloader 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "45dd858bd74a742ec0fe887722952c263abd0825aa8d33a3704917a97d7bd41e"
 "checksum cast 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "926013f2860c46252efceabb19f4a6b308197505082c609025aa6706c011d427"
-"checksum lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 "checksum nodrop 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)" = "2f9667ddcc6cc8a43afc9b7917599d7216aa09c463919ea32c59ed6cac8bc945"
-"checksum spin 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
 "checksum uart_16550 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "803ea8cb602dbb32c1a657a866d2dd79fe7dbeab0fb2ac667cb4dcc7de12a58b"
 "checksum ux 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "88dfeb711b61ce620c0cb6fd9f8e3e678622f0c971da2a63c4b3e25e88ed012f"
-"checksum volatile 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "6af0edf5b4faacc31fc51159244d78d65ec580f021afcef7bd53c04aeabc7f29"
 "checksum x86_64 0.7.5 (registry+https://github.com/rust-lang/crates.io-index)" = "997837f3913aac8f67164683258756d712376849906c8d609f844084bc03ef84"