mirror of
https://github.com/esp-rs/esp-hal.git
synced 2025-10-02 06:40:47 +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
75 lines
1.7 KiB
Rust
75 lines
1.7 KiB
Rust
#![no_std]
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pub use embedded_hal as ehal;
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#[cfg(feature = "embassy")]
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pub use esp_hal_common::embassy;
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pub use esp_hal_common::*;
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pub use self::gpio::IO;
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/// Common module for analog functions
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pub mod analog {
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pub use esp_hal_common::analog::{AvailableAnalog, SarAdcExt};
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}
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extern "C" {
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// Boundaries of the .iram section
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static mut _srwtext: u32;
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static mut _erwtext: u32;
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static mut _irwtext: u32;
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// Boundaries of the .bss section
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static mut _ebss: u32;
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static mut _sbss: u32;
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// Boundaries of the rtc .bss section
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static mut _rtc_fast_bss_start: u32;
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static mut _rtc_fast_bss_end: u32;
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// Boundaries of the .rtc_fast.text section
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static mut _srtc_fast_text: u32;
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static mut _ertc_fast_text: u32;
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static mut _irtc_fast_text: u32;
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// Boundaries of the .rtc_fast.data section
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static mut _rtc_fast_data_start: u32;
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static mut _rtc_fast_data_end: u32;
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static mut _irtc_fast_data: u32;
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}
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#[cfg(feature = "direct-boot")]
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#[doc(hidden)]
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#[esp_hal_common::esp_riscv_rt::pre_init]
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unsafe fn init() {
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r0::init_data(&mut _srwtext, &mut _erwtext, &_irwtext);
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r0::init_data(
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&mut _rtc_fast_data_start,
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&mut _rtc_fast_data_end,
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&_irtc_fast_data,
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);
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r0::init_data(&mut _srtc_fast_text, &mut _ertc_fast_text, &_irtc_fast_text);
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esp_hal_common::disable_apm_filter();
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}
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#[allow(unreachable_code)]
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#[export_name = "_mp_hook"]
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#[doc(hidden)]
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pub fn mp_hook() -> bool {
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unsafe {
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r0::zero_bss(&mut _rtc_fast_bss_start, &mut _rtc_fast_bss_end);
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}
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#[cfg(feature = "direct-boot")]
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return true;
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// no init data when using normal boot - but we need to zero out BSS
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unsafe {
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r0::zero_bss(&mut _sbss, &mut _ebss);
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}
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false
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}
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