Fix build errors and missing v3 feature (#5)

* fix: missing v3 feature in rt crate

* fix(build): feature flags

* fix(build): rt cfg flags warning

* fixup! ci: create rust.yml

.github/workflows/rust.yml

@@ -16,5 +16,7 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
+    - name: Prepare Rust Target
+      run: rustup target add riscv32imac-unknown-none-elf
     - name: Build
       run: cargo build --all --target riscv32imac-unknown-none-elf

qingke-rt/Cargo.toml

@@ -15,7 +15,7 @@ readme = "README.md"
 
 [features]
 v2 = []
-v3 = []
+v3 = ["qingke/v3"]
 v4 = []
 # v5 is not released yet
 # v5 = []
@@ -24,7 +24,7 @@ highcode = []
 
 [dependencies]
 qingke-rt-macros = { path = "./macros", version = "0.3" }
-qingke = { path = "../", version = "0.3" }
+qingke = { path = "../", version = "0.3", features = ["critical-section-impl"] }
 
 [package.metadata.docs.rs]
 targets = ["riscv32imac-unknown-none-elf"]

qingke-rt/build.rs

@@ -76,6 +76,10 @@ fn main() {
     let target = env::var("TARGET").unwrap();
     let cargo_flags = env::var("CARGO_ENCODED_RUSTFLAGS").unwrap();
     // set configuration flags depending on the target
+
+    println!("cargo::rustc-check-cfg=cfg(riscvf)");
+    println!("cargo::rustc-check-cfg=cfg(riscvd)");
+
     if target.starts_with("riscv") {
         println!("cargo:rustc-cfg=riscv");
 

src/pfic.rs

@@ -168,6 +168,7 @@ pub unsafe fn disable_vtf(channel: u8) {
     ptr::write_volatile(PFIC_VTFADDRR0.offset(channel as isize), val & 0xFFFF_FFFE);
 }
 
+#[cfg(feature = "critical-section-impl")]
 pub unsafe fn wfi_to_wfe(v: bool) {
     critical_section::with(|_| {
         let mut val = ptr::read_volatile(PFIC_SCTLR);