bump: downgrade cargo edition to 2021 (#5)

* bump: downgrade cargo edition to 2021

* fix: add `#[rustfmt::skip]` on the `registers` module

Author: guttatus

Cargo.toml

@@ -3,9 +3,9 @@ members = [
     "xuantie-riscv",
     "xuantie-riscv-rt",
 ]
-resolver = "3"
+resolver = "2"
 
 [workspace.package]
-edition = "2024"
+edition = "2021"
 license = "MulanPSL-2.0"
 repository = "https://github.com/rustsbi/xuantie"

xuantie-riscv/src/lib.rs

@@ -70,4 +70,6 @@ pub mod asm;
 pub mod debug;
 pub mod paging;
 pub mod peripheral;
+
+#[rustfmt::skip]
 pub mod register;