mirror of
https://github.com/esp-rs/esp-hal.git
synced 2025-10-02 14:44:42 +00:00
f7830e2750
* Move some linker scripts into `esp-hal-common` and update the build script * Move `EspDefaultHandler` and `DefaultHandler` definitions into `esp-hal-common` * Re-export everything from `esp-hal-common` * Add a couple cfg symbols, cleanup/organize some exports/modules
68 lines
1.8 KiB
Rust
68 lines
1.8 KiB
Rust
use std::{env, fs::File, io::Write, path::PathBuf};
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fn main() {
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check_features();
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// Put the linker script somewhere the linker can find it
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let out = &PathBuf::from(env::var_os("OUT_DIR").unwrap());
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File::create(out.join("memory.x"))
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.unwrap()
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.write_all(include_bytes!("ld/memory.x"))
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.unwrap();
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File::create(out.join("rom-functions.x"))
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.unwrap()
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.write_all(include_bytes!("ld/rom-functions.x"))
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.unwrap();
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File::create(out.join("linkall.x"))
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.unwrap()
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.write_all(include_bytes!("ld/linkall.x"))
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.unwrap();
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let memory_extras = generate_memory_extras();
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File::create(out.join("memory_extras.x"))
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.unwrap()
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.write_all(&memory_extras)
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.unwrap();
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File::create(out.join("link-esp32.x"))
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.unwrap()
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.write_all(include_bytes!("ld/link-esp32.x"))
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.unwrap();
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println!("cargo:rustc-link-search={}", out.display());
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// Only re-run the build script when memory.x is changed,
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// instead of when any part of the source code changes.
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println!("cargo:rerun-if-changed=ld/memory.x");
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}
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fn generate_memory_extras() -> Vec<u8> {
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let reserve_dram = if cfg!(feature = "bluetooth") {
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"0x10000"
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} else {
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"0x0"
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};
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format!(
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"
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/* reserved at the start of DRAM for e.g. the BT stack */
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RESERVE_DRAM = {reserve_dram};
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/* reserved at the start of the RTC memories for use by the ULP processor */
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RESERVE_RTC_FAST = 0;
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RESERVE_RTC_SLOW = 0;
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/* define stack size for both cores */
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STACK_SIZE = 8k;"
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)
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.as_bytes()
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.to_vec()
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}
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fn check_features() {
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if cfg!(feature = "esp32_40mhz") && cfg!(feature = "esp32_26mhz") {
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panic!("Only one xtal speed feature can be selected");
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}
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}
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