Release v0.2.0

Author: equation314

Cargo.lock

@@ -33,7 +33,7 @@ members = [
 ]
 
 [workspace.package]
-version = "0.1.0"
+version = "0.2.0"
 edition = "2024"
 authors = ["Yuekai Jia <equation618@gmail.com>"]
 license = "GPL-3.0-or-later OR Apache-2.0 OR MulanPSL-2.0"

Cargo.toml

@@ -180,7 +180,14 @@ Examples are given below and in the [app-helloworld](https://github.com/arceos-o
 
 ## How to build ArceOS for specific platforms and devices
 
-Set the `MYPLAT` variable when run `make`:
+You need to manually link your application with the appropriate platform packages:
+
+```rs
+// Add this line to your application (for raspi4 platform)
+extern crate axplat_aarch64_raspi;
+```
+
+Then set the `MYPLAT` variable when run `make`:
 
 ```bash
 # Build helloworld for raspi4
@@ -201,8 +208,8 @@ make PLAT_CONFIG=$(pwd)/configs/custom/x86_64-pc-oslab.toml A=examples/httpserve
 ```toml
 # In Cargo.toml
 [dependencies]
-axalloc = { git = "https://github.com/arceos-org/arceos.git", tag = "v0.1.0" } # modules/axalloc
-axhal = { git = "https://github.com/arceos-org/arceos.git", tag = "v0.1.0" } # modules/axhal
+axalloc = { git = "https://github.com/arceos-org/arceos.git", tag = "v0.2.0" } # modules/axalloc
+axhal = { git = "https://github.com/arceos-org/arceos.git", tag = "v0.2.0" } # modules/axhal
 ```
 
 ## Design