riscv: Initial support with v6.5 bindings

.cargo/config

@@ -3,3 +3,6 @@
 # Related issue: https://github.com/rust-lang/compiler-builtins/issues/201
 [target.aarch64-unknown-linux-musl]
 rustflags = [ "-C", "target-feature=+crt-static", "-C", "link-arg=-lgcc"]
+
+[target.riscv64gc-unknown-linux-gnu]
+linker = "riscv64-unknown-linux-gnu-gcc"

README.md

@@ -7,6 +7,7 @@ following target architectures:
 - x86_64
 - arm
 - arm64
+- riscv
 
 The bindings exported by this crate are statically generated using header files
 associated with a specific kernel version, and are not automatically synced with

src/lib.rs

@@ -20,3 +20,8 @@ pub use self::x86_64::*;
 mod arm64;
 #[cfg(any(target_arch = "aarch", target_arch = "aarch64"))]
 pub use self::arm64::*;
+
+#[cfg(any(target_arch = "riscv32", target_arch = "riscv64"))]
+mod riscv;
+#[cfg(any(target_arch = "riscv32", target_arch = "riscv64"))]
+pub use self::riscv::*;