mirror of
https://github.com/mytechnotalent/Embedded-Hacking.git
synced 2026-07-05 12:07:51 +02:00
Kevin Thomas
74 lines
3.1 KiB
Rust
74 lines
3.1 KiB
Rust
//! Implementation module
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//!
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//! **File:** `build.rs`
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//! **Author:** Kevin Thomas
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//! **Date:** 2025
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//!
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//! MIT License
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//!
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//! Copyright (c) 2025 Kevin Thomas
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//!
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//! Permission is hereby granted, free of charge, to any person obtaining a copy
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//! of this software and associated documentation files (the "Software"), to deal
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//! in the Software without restriction, including without limitation the rights
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//! to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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//! copies of the Software, and to permit persons to whom the Software is
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//! furnished to do so, subject to the following conditions:
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//!
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//! The above copyright notice and this permission notice shall be included in
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//! all copies or substantial portions of the Software.
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//!
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//! THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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//! IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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//! FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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//! AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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//! LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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//! OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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//! SOFTWARE.
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use std::fs::{File, read_to_string};
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use std::io::Write;
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use std::path::PathBuf;
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use regex::Regex;
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fn main() {
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let out = PathBuf::from(std::env::var_os("OUT_DIR").unwrap());
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let contents = read_to_string(".pico-rs").unwrap_or_default().trim().to_lowercase();
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let target = setup_target(&contents, &out);
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update_cargo_config(&target);
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write_riscv(&out);
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print_cfgs(&out);
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}
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fn setup_target(c: &str, out: &PathBuf) -> String {
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// Setup the correct build target based on pico-rs
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if c == "rp2040" { write_rp2040(out); return "thumbv6m-none-eabi".to_string(); }
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write_rp2350(out);
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if c.contains("riscv") { "riscv32imac-unknown-none-elf".to_string() } else { "thumbv8m.main-none-eabihf".to_string() }
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}
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fn write_rp2040(out: &PathBuf) {
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File::create(out.join("memory.x")).unwrap().write_all(include_bytes!("rp2040.x")).unwrap();
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println!("cargo::rustc-cfg=rp2040");
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println!("cargo:rerun-if-changed=rp2040.x");
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}
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fn write_rp2350(out: &PathBuf) {
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File::create(out.join("memory.x")).unwrap().write_all(include_bytes!("rp2350.x")).unwrap();
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println!("cargo::rustc-cfg=rp2350");
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println!("cargo:rerun-if-changed=rp2350.x");
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}
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fn update_cargo_config(target: &str) {
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let re = Regex::new(r"target = .*").unwrap();
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let result = re.replace(include_str!(".cargo/config.toml"), format!("target = \"{}\"", target));
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File::create(".cargo/config.toml").unwrap().write_all(result.as_bytes()).unwrap();
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}
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fn write_riscv(out: &PathBuf) {
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File::create(out.join("rp2350_riscv.x")).unwrap().write_all(include_bytes!("rp2350_riscv.x")).unwrap();
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}
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fn print_cfgs(out: &PathBuf) {
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println!("cargo::rustc-check-cfg=cfg(rp2040)");
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println!("cargo::rustc-check-cfg=cfg(rp2350)");
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println!("cargo:rustc-link-search={}", out.display());
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println!("cargo:rerun-if-changed=.pico-rs");
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println!("cargo:rerun-if-changed=rp2350_riscv.x");
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println!("cargo:rerun-if-changed=build.rs");
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}
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