esp-hal/esp32s2-hal/build.rs

50 lines
1.3 KiB
Rust

use std::{env, error::Error, fs::File, io::Write, path::PathBuf};
build_alert::yellow! {"
WARNING: package deprecated!
The 'esp32s2-hal' package has been deprecated in favour of 'esp-hal'.
Please refer to the migration guide for help with updating your projects
to use the new 'esp-hal' package:
https://github.com/esp-rs/esp-hal/releases/tag/v0.16.0
"}
fn main() -> Result<(), Box<dyn Error>> {
// Put the linker script somewhere the linker can find it
let out = &PathBuf::from(env::var_os("OUT_DIR").unwrap());
println!("cargo:rustc-link-search={}", out.display());
let memory_extras = generate_memory_extras();
File::create(out.join("memory_extras.x"))?.write_all(&memory_extras)?;
// Only re-run the build script when memory.x is changed,
// instead of when any part of the source code changes.
println!("cargo:rerun-if-changed=ld/memory.x");
#[cfg(feature = "defmt")]
println!("cargo:rustc-link-arg=-Tdefmt.x");
Ok(())
}
fn generate_memory_extras() -> Vec<u8> {
let reserved_cache = if cfg!(feature = "psram") {
"0x4000"
} else {
"0x2000"
};
format!(
"
/* reserved at the start of DRAM/IRAM */
RESERVE_CACHES = {reserved_cache};
"
)
.as_bytes()
.to_vec()
}