Remove unnecessary rt crate dependencies (#391)

* Remove unnecessary `rt` crate dependencies

* Bump versions, update to latest released dependencies

esp-hal-common/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name    = "esp-hal-common"
-version = "0.5.0"
+version = "0.6.0"
 authors = [
     "Jesse Braham <jesse@beta7.io>",
     "Björn Quentin <bjoern.quentin@mobile-j.de>",
@@ -24,7 +24,7 @@ fugit                = "0.3.6"
 lock_api             = { version = "0.4.9", optional = true }
 nb                   = "1.0.0"
 paste                = "1.0.11"
-procmacros           = { version = "0.2.0", package = "esp-hal-procmacros", path = "../esp-hal-procmacros" }
+procmacros           = { version = "0.3.0", package = "esp-hal-procmacros", path = "../esp-hal-procmacros" }
 strum                = { version = "0.24.1", default-features = false, features = ["derive"] }
 void                 = { version = "1.0.2", default-features = false }
 usb-device           = { version = "0.2.9", optional = true }
@@ -40,8 +40,8 @@ esp-riscv-rt                = { version = "0.1.0", optional = true }
 riscv-atomic-emulation-trap = { version = "0.4.0", optional = true }
 
 # Xtensa
-xtensa-lx    = { version = "0.7.0",  optional = true }
-xtensa-lx-rt = { version = "0.14.0", optional = true }
+xtensa-lx    = { version = "0.8.0",  optional = true }
+xtensa-lx-rt = { version = "0.15.0", optional = true }
 
 # Smart-LED (e.g., WS2812/SK68XX) support
 smart-leds-trait = { version = "0.2.1", optional = true }
@@ -53,18 +53,18 @@ ufmt-write = { version = "0.1.0", optional = true }
 # Each supported device MUST have its PAC included below along with a
 # corresponding feature. We rename the PAC packages because we cannot
 # have dependencies and features with the same names.
-esp32   = { version = "0.19.0", features = ["critical-section"], optional = true }
-esp32c2 = { version = "0.7.0",  features = ["critical-section"], optional = true }
-esp32c3 = { version = "0.10.0", features = ["critical-section"], optional = true }
-esp32s2 = { version = "0.10.0", features = ["critical-section"], optional = true }
-esp32s3 = { version = "0.13.0", features = ["critical-section"], optional = true }
+esp32   = { version = "0.21.0", features = ["critical-section"], optional = true }
+esp32c2 = { version = "0.8.0",  features = ["critical-section"], optional = true }
+esp32c3 = { version = "0.11.0", features = ["critical-section"], optional = true }
+esp32s2 = { version = "0.12.0", features = ["critical-section"], optional = true }
+esp32s3 = { version = "0.15.0", features = ["critical-section"], optional = true }
 
 [features]
-esp32   = ["esp32/rt"  , "xtensa", "xtensa-lx/esp32",   "xtensa-lx-rt/esp32",   "lock_api"]
-esp32c2 = ["esp32c2/rt", "riscv"]
-esp32c3 = ["esp32c3/rt", "riscv"]
-esp32s2 = ["esp32s2/rt", "xtensa", "xtensa-lx/esp32s2", "xtensa-lx-rt/esp32s2",             "esp-synopsys-usb-otg", "usb-device"]
-esp32s3 = ["esp32s3/rt", "xtensa", "xtensa-lx/esp32s3", "xtensa-lx-rt/esp32s3", "lock_api", "esp-synopsys-usb-otg", "usb-device"]
+esp32   = ["esp32/rt"  , "xtensa", "xtensa-lx/esp32",   "xtensa-lx-rt/esp32",   "lock_api", "procmacros/esp32"]
+esp32c2 = ["esp32c2/rt", "riscv", "procmacros/esp32c2"]
+esp32c3 = ["esp32c3/rt", "riscv", "procmacros/esp32c3"]
+esp32s2 = ["esp32s2/rt", "xtensa", "xtensa-lx/esp32s2", "xtensa-lx-rt/esp32s2",             "esp-synopsys-usb-otg", "usb-device", "procmacros/esp32s2"]
+esp32s3 = ["esp32s3/rt", "xtensa", "xtensa-lx/esp32s3", "xtensa-lx-rt/esp32s3", "lock_api", "esp-synopsys-usb-otg", "usb-device", "procmacros/esp32s3"]
 
 esp32c2_40mhz = []
 esp32c2_26mhz = []

esp-hal-common/src/lib.rs

@@ -31,7 +31,27 @@
 #[cfg_attr(esp32s3, path = "peripherals/esp32s3.rs")]
 pub mod peripherals;
 
+#[cfg(riscv)]
+pub use esp_riscv_rt;
+#[cfg(riscv)]
+pub use esp_riscv_rt::entry;
+#[cfg(riscv)]
+pub use esp_riscv_rt::riscv;
 pub use procmacros as macros;
+#[cfg(xtensa)]
+pub use xtensa_lx;
+#[cfg(xtensa)]
+pub use xtensa_lx_rt;
+#[cfg(xtensa)]
+pub use xtensa_lx_rt::entry;
+
+/// State of the CPU saved when entering exception or interrupt
+pub mod trapframe {
+    #[cfg(riscv)]
+    pub use esp_riscv_rt::TrapFrame;
+    #[cfg(xtensa)]
+    pub use xtensa_lx_rt::exception::Context as TrapFrame;
+}
 
 #[cfg(rmt)]
 pub use self::pulse_control::PulseControl;

esp-hal-common/src/prelude.rs

@@ -37,6 +37,7 @@ pub use crate::{
         DmaTransfer as _esp_hal_dma_DmaTransfer,
         DmaTransferRxTx as _esp_hal_dma_DmaTransferRxTx,
     },
+    entry,
     gpio::{
         InputPin as _esp_hal_gpio_InputPin,
         OutputPin as _esp_hal_gpio_OutputPin,

esp-hal-procmacros/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name    = "esp-hal-procmacros"
-version = "0.2.0"
+version = "0.3.0"
 authors = [
     "Jesse Braham <jesse@beta7.io>",
     "Björn Quentin <bjoern.quentin@mobile-j.de>",
@@ -20,9 +20,15 @@ proc-macro-error = "1.0.4"
 proc-macro2      = "1.0.50"
 quote            = "1.0.23"
 syn              = {version = "1.0.107", features = ["extra-traits", "full"]}
+proc-macro-crate = "1.3.0"
 
 [features]
 interrupt = []
 riscv     = []
 rtc_slow  = []
 xtensa    = []
+esp32     = []
+esp32c2   = []
+esp32c3   = []
+esp32s2   = []
+esp32s3   = []

esp-hal-procmacros/src/lib.rs

@@ -134,6 +134,8 @@ pub fn ram(args: TokenStream, input: TokenStream) -> TokenStream {
 #[cfg(feature = "interrupt")]
 #[proc_macro_attribute]
 pub fn interrupt(args: TokenStream, input: TokenStream) -> TokenStream {
+    use proc_macro_crate::{crate_name, FoundCrate};
+
     let mut f: ItemFn = syn::parse(input).expect("`#[interrupt]` must be applied to a function");
 
     let attr_args = parse_macro_input!(args as AttributeArgs);
@@ -200,10 +202,46 @@ pub fn interrupt(args: TokenStream, input: TokenStream) -> TokenStream {
         &format!("__esp_hal_internal_{}", f.sig.ident),
         proc_macro2::Span::call_site(),
     );
+
+    #[cfg(feature = "esp32")]
+    let hal_crate = crate_name("esp32-hal");
+    #[cfg(feature = "esp32s2")]
+    let hal_crate = crate_name("esp32s2-hal");
+    #[cfg(feature = "esp32s3")]
+    let hal_crate = crate_name("esp32s3-hal");
+    #[cfg(feature = "esp32c2")]
+    let hal_crate = crate_name("esp32c2-hal");
+    #[cfg(feature = "esp32c3")]
+    let hal_crate = crate_name("esp32c3-hal");
+
+    #[cfg(feature = "esp32")]
+    let hal_crate_name = Ident::new("esp32_hal", Span::call_site().into());
+    #[cfg(feature = "esp32s2")]
+    let hal_crate_name = Ident::new("esp32s2_hal", Span::call_site().into());
+    #[cfg(feature = "esp32s3")]
+    let hal_crate_name = Ident::new("esp32s3_hal", Span::call_site().into());
+    #[cfg(feature = "esp32c2")]
+    let hal_crate_name = Ident::new("esp32c2_hal", Span::call_site().into());
+    #[cfg(feature = "esp32c3")]
+    let hal_crate_name = Ident::new("esp32c3_hal", Span::call_site().into());
+
+    let interrupt_in_hal_crate = match hal_crate {
+        Ok(FoundCrate::Itself) => {
+            quote!( #hal_crate_name::peripherals::Interrupt::#ident_s )
+        }
+        Ok(FoundCrate::Name(ref name)) => {
+            let ident = Ident::new(&name, Span::call_site().into());
+            quote!( #ident::peripherals::Interrupt::#ident_s )
+        }
+        Err(_) => {
+            quote!( crate::peripherals::Interrupt::#ident_s )
+        }
+    };
+
     f.block.stmts.extend(std::iter::once(
         syn::parse2(quote! {{
             // Check that this interrupt actually exists
-            crate::peripherals::Interrupt::#ident_s;
+            #interrupt_in_hal_crate;
         }})
         .unwrap(),
     ));
@@ -218,25 +256,34 @@ pub fn interrupt(args: TokenStream, input: TokenStream) -> TokenStream {
 
     let export_name = ident_s.to_string();
 
-    #[cfg(feature = "xtensa")]
-    let context = quote! {
-        xtensa_lx_rt::exception::Context
-    };
-
-    #[cfg(feature = "riscv")]
-    let context = quote! {
-        crate::interrupt::TrapFrame
+    let trap_frame_in_hal_crate = match hal_crate {
+        Ok(FoundCrate::Itself) => {
+            quote!(#hal_crate_name::trapframe::TrapFrame)
+        }
+        Ok(FoundCrate::Name(ref name)) => {
+            let ident = Ident::new(&name, Span::call_site().into());
+            quote!( #ident::trapframe::TrapFrame )
+        }
+        Err(_) => {
+            quote!(crate::trapframe::TrapFrame)
+        }
     };
 
     let context_call =
         (f.sig.inputs.len() == 1).then(|| Ident::new("context", proc_macro2::Span::call_site()));
 
     quote!(
+        macro_rules! foo {
+            () => {
+            };
+        }
+        foo!();
+
         #(#cfgs)*
         #(#attrs)*
         #[doc(hidden)]
         #[export_name = #export_name]
-        pub unsafe extern "C" fn #tramp_ident(context: &mut #context) {
+        pub unsafe extern "C" fn #tramp_ident(context: &mut #trap_frame_in_hal_crate) {
             #ident(
                 #context_call
             )

esp32-hal/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name    = "esp32-hal"
-version = "0.8.0"
+version = "0.9.0"
 authors = [
     "Jesse Braham <jesse@beta7.io>",
     "Björn Quentin <bjoern.quentin@mobile-j.de>",
@@ -30,15 +30,13 @@ embedded-hal       = { version = "0.2.7",  features = ["unproven"] }
 embedded-hal-1     = { version = "=1.0.0-alpha.9", optional = true, package = "embedded-hal" }
 embedded-hal-async = { version = "0.2.0-alpha.0", optional = true }
 embedded-hal-nb    = { version = "=1.0.0-alpha.1", optional = true }
-esp-hal-common     = { version = "0.5.0",  features = ["esp32"], path = "../esp-hal-common" }
-xtensa-lx          = { version = "0.7.0",  features = ["esp32"] }
-xtensa-lx-rt       = { version = "0.14.0", features = ["esp32"], optional = true }
+esp-hal-common     = { version = "0.6.0",  features = ["esp32"], path = "../esp-hal-common" }
 
 [dev-dependencies]
 critical-section  = "1.1.1"
 embassy-executor  = { package = "embassy-executor", git = "https://github.com/embassy-rs/embassy/", rev = "cd9a65b", features = ["nightly", "integrated-timers"] }
 embedded-graphics = "0.7.1"
-esp-backtrace     = { version = "0.4.0", features = ["esp32", "panic-handler", "exception-handler", "print-uart"] }
+esp-backtrace     = { version = "0.5.0", features = ["esp32", "panic-handler", "exception-handler", "print-uart"] }
 esp-println       = { version = "0.3.1", features = ["esp32"] }
 sha2              = { version = "0.10.6", default-features = false}
 smart-leds        = "0.3.0"
@@ -50,7 +48,7 @@ aes = "0.8.2"
 default           = ["rt", "vectored"]
 bluetooth         = []
 eh1               = ["esp-hal-common/eh1", "dep:embedded-hal-1", "dep:embedded-hal-nb"]
-rt                = ["xtensa-lx-rt/esp32"]
+rt                = []
 smartled          = ["esp-hal-common/smartled"]
 ufmt              = ["esp-hal-common/ufmt"]
 vectored          = ["esp-hal-common/vectored"]

esp32-hal/examples/adc.rs

@@ -17,7 +17,6 @@ use esp32_hal::{
 };
 use esp_backtrace as _;
 use esp_println::println;
-use xtensa_lx_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32-hal/examples/advanced_serial.rs

@@ -23,7 +23,6 @@ use esp32_hal::{
 use esp_backtrace as _;
 use esp_println::println;
 use nb::block;
-use xtensa_lx_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32-hal/examples/aes.rs

@@ -10,12 +10,13 @@ use esp32_hal::{
     peripherals::Peripherals,
     prelude::*,
     timer::TimerGroup,
+    xtensa_lx,
     Rtc,
 };
 use esp_backtrace as _;
 use esp_println::println;
 
-#[xtensa_lx_rt::entry]
+#[entry]
 fn main() -> ! {
     let peripherals = Peripherals::take();
     let mut system = peripherals.DPORT.split();

esp32-hal/examples/blinky.rs

@@ -15,7 +15,6 @@ use esp32_hal::{
     Rtc,
 };
 use esp_backtrace as _;
-use xtensa_lx_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32-hal/examples/blinky_erased_pins.rs

@@ -15,7 +15,6 @@ use esp32_hal::{
     Rtc,
 };
 use esp_backtrace as _;
-use xtensa_lx_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32-hal/examples/clock_monitor.rs

@@ -16,7 +16,6 @@ use esp32_hal::{
     Rtc,
 };
 use esp_backtrace as _;
-use xtensa_lx_rt::entry;
 
 static RTC: Mutex<RefCell<Option<Rtc>>> = Mutex::new(RefCell::new(None));
 

esp32-hal/examples/dac.rs

@@ -16,7 +16,6 @@ use esp32_hal::{
     Rtc,
 };
 use esp_backtrace as _;
-use xtensa_lx_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32-hal/examples/embassy_hello_world.rs

@@ -38,7 +38,7 @@ async fn run2() {
 
 static EXECUTOR: StaticCell<Executor> = StaticCell::new();
 
-#[xtensa_lx_rt::entry]
+#[entry]
 fn main() -> ! {
     esp_println::println!("Init!");
     let peripherals = Peripherals::take();

esp32-hal/examples/embassy_spi.rs

@@ -57,7 +57,7 @@ async fn spi_task(spi: &'static mut SpiType<'static>) {
 
 static EXECUTOR: StaticCell<Executor> = StaticCell::new();
 
-#[xtensa_lx_rt::entry]
+#[entry]
 fn main() -> ! {
     esp_println::println!("Init!");
     let peripherals = Peripherals::take();

esp32-hal/examples/embassy_wait.rs

@@ -34,7 +34,7 @@ async fn ping(mut pin: Gpio0<Input<PullDown>>) {
 
 static EXECUTOR: StaticCell<Executor> = StaticCell::new();
 
-#[xtensa_lx_rt::entry]
+#[entry]
 fn main() -> ! {
     esp_println::println!("Init!");
     let peripherals = Peripherals::take();

esp32-hal/examples/gpio_interrupt.rs

@@ -17,11 +17,11 @@ use esp32_hal::{
     peripherals::{self, Peripherals},
     prelude::*,
     timer::TimerGroup,
+    xtensa_lx,
     Delay,
     Rtc,
 };
 use esp_backtrace as _;
-use xtensa_lx_rt::entry;
 
 static BUTTON: Mutex<RefCell<Option<Gpio0<Input<PullDown>>>>> = Mutex::new(RefCell::new(None));
 

esp32-hal/examples/hello_rgb.rs

@@ -32,7 +32,6 @@ use smart_leds::{
     hsv::{hsv2rgb, Hsv},
     SmartLedsWrite,
 };
-use xtensa_lx_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32-hal/examples/hello_world.rs

@@ -16,7 +16,6 @@ use esp32_hal::{
 };
 use esp_backtrace as _;
 use nb::block;
-use xtensa_lx_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32-hal/examples/i2c_bmp180_calibration_data.rs

@@ -20,7 +20,6 @@ use esp32_hal::{
 };
 use esp_backtrace as _;
 use esp_println::println;
-use xtensa_lx_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32-hal/examples/i2c_display.rs

@@ -31,7 +31,6 @@ use esp32_hal::{
 use esp_backtrace as _;
 use nb::block;
 use ssd1306::{prelude::*, I2CDisplayInterface, Ssd1306};
-use xtensa_lx_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32-hal/examples/i2s_read.rs

@@ -26,7 +26,6 @@ use esp32_hal::{
 };
 use esp_backtrace as _;
 use esp_println::println;
-use xtensa_lx_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32-hal/examples/i2s_sound.rs

@@ -41,7 +41,6 @@ use esp32_hal::{
     IO,
 };
 use esp_backtrace as _;
-use xtensa_lx_rt::entry;
 
 const SINE: [i16; 64] = [
     0, 3211, 6392, 9511, 12539, 15446, 18204, 20787, 23169, 25329, 27244, 28897, 30272, 31356,

esp32-hal/examples/ledc.rs

@@ -21,7 +21,6 @@ use esp32_hal::{
     Rtc,
 };
 use esp_backtrace as _;
-use xtensa_lx_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32-hal/examples/mcpwm.rs

@@ -16,7 +16,6 @@ use esp32_hal::{
     Rtc,
 };
 use esp_backtrace as _;
-use xtensa_lx_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32-hal/examples/multicore.rs

@@ -19,7 +19,6 @@ use esp32_hal::{
 use esp_backtrace as _;
 use esp_println::println;
 use nb::block;
-use xtensa_lx_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32-hal/examples/pcnt_encoder.rs

@@ -28,7 +28,6 @@ use esp_hal::{
     IO,
 };
 use esp_println::println;
-use xtensa_lx_rt::entry;
 
 static UNIT0: Mutex<RefCell<Option<unit::Unit>>> = Mutex::new(RefCell::new(None));
 static VALUE: AtomicI32 = AtomicI32::new(0);

esp32-hal/examples/pulse_control.rs

@@ -16,7 +16,6 @@ use esp32_hal::{
     Rtc,
 };
 use esp_backtrace as _;
-use xtensa_lx_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32-hal/examples/ram.rs

@@ -18,7 +18,6 @@ use esp32_hal::{
 use esp_backtrace as _;
 use esp_println::println;
 use nb::block;
-use xtensa_lx_rt::entry;
 
 #[ram(rtc_fast)]
 static mut SOME_INITED_DATA: [u8; 2] = [0xaa, 0xbb];

esp32-hal/examples/read_efuse.rs

@@ -14,7 +14,6 @@ use esp32_hal::{
 };
 use esp_backtrace as _;
 use esp_println::println;
-use xtensa_lx_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32-hal/examples/rtc_watchdog.rs

@@ -18,7 +18,6 @@ use esp32_hal::{
     Rwdt,
 };
 use esp_backtrace as _;
-use xtensa_lx_rt::entry;
 
 static RWDT: Mutex<RefCell<Option<Rwdt>>> = Mutex::new(RefCell::new(None));
 

esp32-hal/examples/serial_interrupts.rs

@@ -20,7 +20,6 @@ use esp32_hal::{
 };
 use esp_backtrace as _;
 use nb::block;
-use xtensa_lx_rt::entry;
 
 static SERIAL: Mutex<RefCell<Option<Uart<UART0>>>> = Mutex::new(RefCell::new(None));
 

esp32-hal/examples/sha.rs

@@ -10,13 +10,13 @@ use esp32_hal::{
     prelude::*,
     sha::{Sha, ShaMode},
     timer::TimerGroup,
+    xtensa_lx,
     Rtc,
 };
 use esp_backtrace as _;
 use esp_println::println;
 use nb::block;
 use sha2::{Digest, Sha512};
-use xtensa_lx_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32-hal/examples/spi_eh1_device_loopback.rs

@@ -31,7 +31,6 @@ use esp32_hal::{
 };
 use esp_backtrace as _;
 use esp_println::{print, println};
-use xtensa_lx_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32-hal/examples/spi_eh1_loopback.rs

@@ -29,7 +29,6 @@ use esp32_hal::{
 };
 use esp_backtrace as _;
 use esp_println::{print, println};
-use xtensa_lx_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32-hal/examples/spi_loopback.rs

@@ -28,7 +28,6 @@ use esp32_hal::{
 };
 use esp_backtrace as _;
 use esp_println::println;
-use xtensa_lx_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32-hal/examples/spi_loopback_dma.rs

@@ -30,7 +30,6 @@ use esp32_hal::{
 };
 use esp_backtrace as _;
 use esp_println::println;
-use xtensa_lx_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32-hal/examples/timer_interrupt.rs

@@ -18,7 +18,6 @@ use esp32_hal::{
     Rtc,
 };
 use esp_backtrace as _;
-use xtensa_lx_rt::entry;
 
 static TIMER00: Mutex<RefCell<Option<Timer<Timer0<TIMG0>>>>> = Mutex::new(RefCell::new(None));
 static TIMER01: Mutex<RefCell<Option<Timer<Timer1<TIMG0>>>>> = Mutex::new(RefCell::new(None));

esp32-hal/examples/watchdog.rs

@@ -15,7 +15,6 @@ use esp32_hal::{
 use esp_backtrace as _;
 use esp_println::println;
 use nb::block;
-use xtensa_lx_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32-hal/src/lib.rs

@@ -13,6 +13,7 @@ pub use esp_hal_common::{
     dma,
     dma::pdma,
     efuse,
+    entry,
     gpio,
     i2c,
     i2s,
@@ -28,8 +29,10 @@ pub use esp_hal_common::{
     spi,
     system,
     timer,
+    trapframe,
     uart,
     utils,
+    xtensa_lx,
     Cpu,
     Delay,
     PulseControl,
@@ -74,17 +77,17 @@ pub unsafe extern "C" fn ESP32Reset() -> ! {
     }
 
     // set stack pointer to end of memory: no need to retain stack up to this point
-    xtensa_lx::set_stack_pointer(&mut _stack_end_cpu0);
+    esp_hal_common::xtensa_lx::set_stack_pointer(&mut _stack_end_cpu0);
 
     // copying data from flash to various data segments is done by the bootloader
     // initialization to zero needs to be done by the application
 
     // Initialize RTC RAM
-    xtensa_lx_rt::zero_bss(&mut _rtc_fast_bss_start, &mut _rtc_fast_bss_end);
-    xtensa_lx_rt::zero_bss(&mut _rtc_slow_bss_start, &mut _rtc_slow_bss_end);
+    esp_hal_common::xtensa_lx_rt::zero_bss(&mut _rtc_fast_bss_start, &mut _rtc_fast_bss_end);
+    esp_hal_common::xtensa_lx_rt::zero_bss(&mut _rtc_slow_bss_start, &mut _rtc_slow_bss_end);
 
     // continue with default reset handler
-    xtensa_lx_rt::Reset();
+    esp_hal_common::xtensa_lx_rt::Reset();
 }
 
 /// The ESP32 has a first stage bootloader that handles loading program data

esp32c2-hal/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name    = "esp32c2-hal"
-version = "0.3.0"
+version = "0.4.0"
 authors = [
     "Jesse Braham <jesse@beta7.io>",
     "Björn Quentin <bjoern.quentin@mobile-j.de>",
@@ -30,15 +30,14 @@ embedded-hal       = { version = "0.2.7", features = ["unproven"] }
 embedded-hal-1     = { version = "=1.0.0-alpha.9", optional = true, package = "embedded-hal" }
 embedded-hal-async = { version = "0.2.0-alpha.0", optional = true }
 embedded-hal-nb    = { version = "=1.0.0-alpha.1", optional = true }
-esp-hal-common     = { version = "0.5.0",  features = ["esp32c2"], path = "../esp-hal-common" }
-esp-riscv-rt       = { version = "0.1.0", optional = true }
+esp-hal-common     = { version = "0.6.0",  features = ["esp32c2"], path = "../esp-hal-common" }
 r0                 = "1.0.0"
 
 [dev-dependencies]
 critical-section  = "1.1.1"
 embassy-executor  = { package = "embassy-executor", git = "https://github.com/embassy-rs/embassy/", rev = "cd9a65b", features = ["nightly", "integrated-timers"] }
 embedded-graphics = "0.7.1"
-esp-backtrace     = { version = "0.4.0", features = ["esp32c2", "panic-handler", "exception-handler", "print-uart"] }
+esp-backtrace     = { version = "0.5.0", features = ["esp32c2", "panic-handler", "exception-handler", "print-uart"] }
 esp-println       = { version = "0.3.1", features = ["esp32c2"] }
 sha2              = { version = "0.10.6", default-features = false}
 ssd1306           = "0.7.1"
@@ -48,7 +47,7 @@ static_cell       = "1.0.0"
 default              = ["rt", "vectored", "xtal40mhz"]
 direct-boot          = []
 eh1                  = ["esp-hal-common/eh1", "dep:embedded-hal-1", "dep:embedded-hal-nb"]
-rt                   = ["esp-riscv-rt"]
+rt                   = []
 ufmt                 = ["esp-hal-common/ufmt"]
 vectored             = ["esp-hal-common/vectored"]
 async                = ["esp-hal-common/async", "embedded-hal-async"]

esp32c2-hal/examples/adc.rs

@@ -17,7 +17,6 @@ use esp32c2_hal::{
 };
 use esp_backtrace as _;
 use esp_println::println;
-use esp_riscv_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32c2-hal/examples/advanced_serial.rs

@@ -21,7 +21,6 @@ use esp32c2_hal::{
 };
 use esp_backtrace as _;
 use esp_println::println;
-use esp_riscv_rt::entry;
 use nb::block;
 
 #[entry]

esp32c2-hal/examples/blinky.rs

@@ -15,7 +15,6 @@ use esp32c2_hal::{
     Rtc,
 };
 use esp_backtrace as _;
-use esp_riscv_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32c2-hal/examples/blinky_erased_pins.rs

@@ -15,7 +15,6 @@ use esp32c2_hal::{
     Rtc,
 };
 use esp_backtrace as _;
-use esp_riscv_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32c2-hal/examples/clock_monitor.rs

@@ -13,10 +13,10 @@ use esp32c2_hal::{
     interrupt,
     peripherals::{self, Peripherals},
     prelude::*,
+    riscv,
     Rtc,
 };
 use esp_backtrace as _;
-use esp_riscv_rt::{entry, riscv};
 
 static RTC: Mutex<RefCell<Option<Rtc>>> = Mutex::new(RefCell::new(None));
 

esp32c2-hal/examples/embassy_hello_world.rs

@@ -38,7 +38,7 @@ async fn run2() {
 
 static EXECUTOR: StaticCell<Executor> = StaticCell::new();
 
-#[esp_riscv_rt::entry]
+#[entry]
 fn main() -> ! {
     esp_println::println!("Init!");
     let peripherals = Peripherals::take();

esp32c2-hal/examples/embassy_spi.rs

@@ -57,7 +57,7 @@ async fn spi_task(spi: &'static mut SpiType<'static>) {
 
 static EXECUTOR: StaticCell<Executor> = StaticCell::new();
 
-#[esp_riscv_rt::entry]
+#[entry]
 fn main() -> ! {
     esp_println::println!("Init!");
     let peripherals = Peripherals::take();

esp32c2-hal/examples/embassy_wait.rs

@@ -34,7 +34,7 @@ async fn ping(mut pin: Gpio9<Input<PullDown>>) {
 
 static EXECUTOR: StaticCell<Executor> = StaticCell::new();
 
-#[esp_riscv_rt::entry]
+#[entry]
 fn main() -> ! {
     esp_println::println!("Init!");
     let peripherals = Peripherals::take();

esp32c2-hal/examples/gpio_interrupt.rs

@@ -15,12 +15,12 @@ use esp32c2_hal::{
     interrupt,
     peripherals::{self, Peripherals},
     prelude::*,
+    riscv,
     timer::TimerGroup,
     Delay,
     Rtc,
 };
 use esp_backtrace as _;
-use esp_riscv_rt::{entry, riscv};
 
 static BUTTON: Mutex<RefCell<Option<Gpio9<Input<PullDown>>>>> = Mutex::new(RefCell::new(None));
 

esp32c2-hal/examples/hello_world.rs

@@ -15,7 +15,6 @@ use esp32c2_hal::{
     Uart,
 };
 use esp_backtrace as _;
-use esp_riscv_rt::entry;
 use nb::block;
 
 #[entry]

esp32c2-hal/examples/i2c_bmp180_calibration_data.rs

@@ -20,7 +20,6 @@ use esp32c2_hal::{
 };
 use esp_backtrace as _;
 use esp_println::println;
-use esp_riscv_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32c2-hal/examples/i2c_display.rs

@@ -29,7 +29,6 @@ use esp32c2_hal::{
     Rtc,
 };
 use esp_backtrace as _;
-use esp_riscv_rt::entry;
 use nb::block;
 use ssd1306::{prelude::*, I2CDisplayInterface, Ssd1306};
 

esp32c2-hal/examples/ledc.rs

@@ -22,7 +22,6 @@ use esp32c2_hal::{
     Rtc,
 };
 use esp_backtrace as _;
-use esp_riscv_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32c2-hal/examples/read_efuse.rs

@@ -14,7 +14,6 @@ use esp32c2_hal::{
 };
 use esp_backtrace as _;
 use esp_println::println;
-use esp_riscv_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32c2-hal/examples/rtc_watchdog.rs

@@ -14,11 +14,11 @@ use esp32c2_hal::{
     interrupt,
     peripherals::{self, Peripherals},
     prelude::*,
+    riscv,
     Rtc,
     Rwdt,
 };
 use esp_backtrace as _;
-use esp_riscv_rt::{entry, riscv};
 
 static RWDT: Mutex<RefCell<Option<Rwdt>>> = Mutex::new(RefCell::new(None));
 

esp32c2-hal/examples/serial_interrupts.rs

@@ -13,6 +13,7 @@ use esp32c2_hal::{
     interrupt,
     peripherals::{self, Peripherals, UART0},
     prelude::*,
+    riscv,
     timer::TimerGroup,
     uart::config::AtCmdConfig,
     Cpu,
@@ -20,7 +21,6 @@ use esp32c2_hal::{
     Uart,
 };
 use esp_backtrace as _;
-use esp_riscv_rt::{entry, riscv};
 use nb::block;
 
 static SERIAL: Mutex<RefCell<Option<Uart<UART0>>>> = Mutex::new(RefCell::new(None));

esp32c2-hal/examples/sha.rs

@@ -14,7 +14,6 @@ use esp32c2_hal::{
 };
 use esp_backtrace as _;
 use esp_println::println;
-use esp_riscv_rt::entry;
 use nb::block;
 use sha2::{Digest, Sha256};
 

esp32c2-hal/examples/spi_eh1_device_loopback.rs

@@ -31,7 +31,6 @@ use esp32c2_hal::{
 };
 use esp_backtrace as _;
 use esp_println::{print, println};
-use esp_riscv_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32c2-hal/examples/spi_eh1_loopback.rs

@@ -29,7 +29,6 @@ use esp32c2_hal::{
 };
 use esp_backtrace as _;
 use esp_println::{print, println};
-use esp_riscv_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32c2-hal/examples/spi_loopback.rs

@@ -28,7 +28,6 @@ use esp32c2_hal::{
 };
 use esp_backtrace as _;
 use esp_println::println;
-use esp_riscv_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32c2-hal/examples/spi_loopback_dma.rs

@@ -30,7 +30,6 @@ use esp32c2_hal::{
 };
 use esp_backtrace as _;
 use esp_println::println;
-use esp_riscv_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32c2-hal/examples/systimer.rs

@@ -20,7 +20,6 @@ use esp32c2_hal::{
 };
 use esp_backtrace as _;
 use esp_println::println;
-use esp_riscv_rt::entry;
 
 static ALARM0: Mutex<RefCell<Option<Alarm<Periodic, 0>>>> = Mutex::new(RefCell::new(None));
 static ALARM1: Mutex<RefCell<Option<Alarm<Target, 1>>>> = Mutex::new(RefCell::new(None));

esp32c2-hal/examples/timer_interrupt.rs

@@ -12,11 +12,11 @@ use esp32c2_hal::{
     interrupt,
     peripherals::{self, Peripherals, TIMG0},
     prelude::*,
+    riscv,
     timer::{Timer, Timer0, TimerGroup},
     Rtc,
 };
 use esp_backtrace as _;
-use esp_riscv_rt::{entry, riscv};
 
 static TIMER0: Mutex<RefCell<Option<Timer<Timer0<TIMG0>>>>> = Mutex::new(RefCell::new(None));
 

esp32c2-hal/examples/watchdog.rs

@@ -14,7 +14,6 @@ use esp32c2_hal::{
 };
 use esp_backtrace as _;
 use esp_println::println;
-use esp_riscv_rt::entry;
 use nb::block;
 
 #[entry]

esp32c2-hal/src/lib.rs

@@ -9,6 +9,7 @@ pub use esp_hal_common::{
     clock,
     dma::{self, gdma},
     efuse,
+    entry,
     gpio,
     i2c,
     interrupt,
@@ -16,11 +17,13 @@ pub use esp_hal_common::{
     macros,
     peripherals,
     prelude,
+    riscv,
     sha,
     spi,
     system,
     systimer,
     timer,
+    trapframe,
     uart,
     Cpu,
     Delay,
@@ -50,7 +53,7 @@ extern "C" {
 
 #[cfg(feature = "direct-boot")]
 #[doc(hidden)]
-#[esp_riscv_rt::pre_init]
+#[esp_hal_common::esp_riscv_rt::pre_init]
 unsafe fn init() {
     r0::init_data(&mut _srwtext, &mut _erwtext, &_irwtext);
 }

esp32c3-hal/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name    = "esp32c3-hal"
-version = "0.5.0"
+version = "0.6.0"
 authors = [
     "Jesse Braham <jesse@beta7.io>",
     "Björn Quentin <bjoern.quentin@mobile-j.de>",
@@ -32,8 +32,7 @@ embedded-hal-1     = { version = "=1.0.0-alpha.9", optional = true, package = "e
 embedded-hal-async = { version = "0.2.0-alpha.0", optional = true }
 embedded-hal-nb    = { version = "=1.0.0-alpha.1", optional = true }
 embedded-can       = { version = "0.4.1", optional = true }
-esp-hal-common     = { version = "0.5.0",  features = ["esp32c3"], path = "../esp-hal-common" }
-esp-riscv-rt       = { version = "0.1.0", optional = true }
+esp-hal-common     = { version = "0.6.0",  features = ["esp32c3"], path = "../esp-hal-common" }
 r0                 = "1.0.0"
 
 [dev-dependencies]
@@ -41,7 +40,7 @@ aes               = "0.8.2"
 critical-section  = "1.1.1"
 embassy-executor  = { package = "embassy-executor", git = "https://github.com/embassy-rs/embassy/", rev = "cd9a65b", features = ["nightly", "integrated-timers"] }
 embedded-graphics = "0.7.1"
-esp-backtrace     = { version = "0.4.0", features = ["esp32c3", "panic-handler", "exception-handler", "print-uart"] }
+esp-backtrace     = { version = "0.5.0", features = ["esp32c3", "panic-handler", "exception-handler", "print-uart"] }
 esp-println       = { version = "0.3.1", features = ["esp32c3"] }
 sha2              = { version = "0.10.6", default-features = false}
 smart-leds        = "0.3.0"
@@ -53,7 +52,7 @@ default              = ["rt", "vectored"]
 mcu-boot             = []
 direct-boot          = []
 eh1                  = ["esp-hal-common/eh1", "dep:embedded-hal-1", "dep:embedded-hal-nb", "dep:embedded-can"]
-rt                   = ["esp-riscv-rt"]
+rt                   = []
 smartled             = ["esp-hal-common/smartled"]
 ufmt                 = ["esp-hal-common/ufmt"]
 vectored             = ["esp-hal-common/vectored"]

esp32c3-hal/examples/adc.rs

@@ -17,7 +17,6 @@ use esp32c3_hal::{
 };
 use esp_backtrace as _;
 use esp_println::println;
-use esp_riscv_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32c3-hal/examples/advanced_serial.rs

@@ -21,7 +21,6 @@ use esp32c3_hal::{
 };
 use esp_backtrace as _;
 use esp_println::println;
-use esp_riscv_rt::entry;
 use nb::block;
 
 #[entry]

esp32c3-hal/examples/aes.rs

@@ -15,7 +15,6 @@ use esp32c3_hal::{
 };
 use esp_backtrace as _;
 use esp_println::println;
-use esp_riscv_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32c3-hal/examples/blinky.rs

@@ -15,7 +15,6 @@ use esp32c3_hal::{
     Rtc,
 };
 use esp_backtrace as _;
-use esp_riscv_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32c3-hal/examples/blinky_erased_pins.rs

@@ -15,7 +15,6 @@ use esp32c3_hal::{
     Rtc,
 };
 use esp_backtrace as _;
-use esp_riscv_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32c3-hal/examples/clock_monitor.rs

@@ -13,10 +13,10 @@ use esp32c3_hal::{
     interrupt,
     peripherals::{self, Peripherals},
     prelude::*,
+    riscv,
     Rtc,
 };
 use esp_backtrace as _;
-use esp_riscv_rt::{entry, riscv};
 
 static RTC: Mutex<RefCell<Option<Rtc>>> = Mutex::new(RefCell::new(None));
 

esp32c3-hal/examples/embassy_hello_world.rs

@@ -38,7 +38,7 @@ async fn run2() {
 
 static EXECUTOR: StaticCell<Executor> = StaticCell::new();
 
-#[esp_riscv_rt::entry]
+#[entry]
 fn main() -> ! {
     esp_println::println!("Init!");
     let peripherals = Peripherals::take();

esp32c3-hal/examples/embassy_spi.rs

@@ -57,7 +57,7 @@ async fn spi_task(spi: &'static mut SpiType<'static>) {
 
 static EXECUTOR: StaticCell<Executor> = StaticCell::new();
 
-#[esp_riscv_rt::entry]
+#[entry]
 fn main() -> ! {
     esp_println::println!("Init!");
     let peripherals = Peripherals::take();

esp32c3-hal/examples/embassy_wait.rs

@@ -34,7 +34,7 @@ async fn ping(mut pin: Gpio9<Input<PullDown>>) {
 
 static EXECUTOR: StaticCell<Executor> = StaticCell::new();
 
-#[esp_riscv_rt::entry]
+#[entry]
 fn main() -> ! {
     esp_println::println!("Init!");
     let peripherals = Peripherals::take();

esp32c3-hal/examples/gpio_interrupt.rs

@@ -15,12 +15,12 @@ use esp32c3_hal::{
     interrupt,
     peripherals::{self, Peripherals},
     prelude::*,
+    riscv,
     timer::TimerGroup,
     Delay,
     Rtc,
 };
 use esp_backtrace as _;
-use esp_riscv_rt::{entry, riscv};
 
 static BUTTON: Mutex<RefCell<Option<Gpio9<Input<PullDown>>>>> = Mutex::new(RefCell::new(None));
 

esp32c3-hal/examples/hello_rgb.rs

@@ -25,7 +25,6 @@ use esp32c3_hal::{
 };
 #[allow(unused_imports)]
 use esp_backtrace as _;
-use esp_riscv_rt::entry;
 use smart_leds::{
     brightness,
     gamma,

esp32c3-hal/examples/hello_world.rs

@@ -15,7 +15,6 @@ use esp32c3_hal::{
     Uart,
 };
 use esp_backtrace as _;
-use esp_riscv_rt::entry;
 use nb::block;
 
 #[entry]

esp32c3-hal/examples/i2c_bmp180_calibration_data.rs

@@ -20,7 +20,6 @@ use esp32c3_hal::{
 };
 use esp_backtrace as _;
 use esp_println::println;
-use esp_riscv_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32c3-hal/examples/i2c_display.rs

@@ -29,7 +29,6 @@ use esp32c3_hal::{
     Rtc,
 };
 use esp_backtrace as _;
-use esp_riscv_rt::entry;
 use nb::block;
 use ssd1306::{prelude::*, I2CDisplayInterface, Ssd1306};
 

esp32c3-hal/examples/i2s_read.rs

@@ -27,7 +27,6 @@ use esp32c3_hal::{
 };
 use esp_backtrace as _;
 use esp_println::println;
-use esp_riscv_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32c3-hal/examples/i2s_sound.rs

@@ -42,7 +42,6 @@ use esp32c3_hal::{
     IO,
 };
 use esp_backtrace as _;
-use esp_riscv_rt::entry;
 
 const SINE: [i16; 64] = [
     0, 3211, 6392, 9511, 12539, 15446, 18204, 20787, 23169, 25329, 27244, 28897, 30272, 31356,

esp32c3-hal/examples/ledc.rs

@@ -22,7 +22,6 @@ use esp32c3_hal::{
     Rtc,
 };
 use esp_backtrace as _;
-use esp_riscv_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32c3-hal/examples/pulse_control.rs

@@ -16,7 +16,6 @@ use esp32c3_hal::{
     Rtc,
 };
 use esp_backtrace as _;
-use esp_riscv_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32c3-hal/examples/ram.rs

@@ -17,7 +17,6 @@ use esp32c3_hal::{
 };
 use esp_backtrace as _;
 use esp_println::println;
-use esp_riscv_rt::entry;
 use nb::block;
 
 #[ram(rtc_fast)]

esp32c3-hal/examples/read_efuse.rs

@@ -14,7 +14,6 @@ use esp32c3_hal::{
 };
 use esp_backtrace as _;
 use esp_println::println;
-use esp_riscv_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32c3-hal/examples/rtc_watchdog.rs

@@ -14,11 +14,11 @@ use esp32c3_hal::{
     interrupt,
     peripherals::{self, Peripherals},
     prelude::*,
+    riscv,
     Rtc,
     Rwdt,
 };
 use esp_backtrace as _;
-use esp_riscv_rt::{entry, riscv};
 
 static RWDT: Mutex<RefCell<Option<Rwdt>>> = Mutex::new(RefCell::new(None));
 

esp32c3-hal/examples/serial_interrupts.rs

@@ -13,6 +13,7 @@ use esp32c3_hal::{
     interrupt,
     peripherals::{self, Peripherals, UART0},
     prelude::*,
+    riscv,
     timer::TimerGroup,
     uart::config::AtCmdConfig,
     Cpu,
@@ -20,7 +21,6 @@ use esp32c3_hal::{
     Uart,
 };
 use esp_backtrace as _;
-use esp_riscv_rt::{entry, riscv};
 use nb::block;
 
 static SERIAL: Mutex<RefCell<Option<Uart<UART0>>>> = Mutex::new(RefCell::new(None));

esp32c3-hal/examples/sha.rs

@@ -14,7 +14,6 @@ use esp32c3_hal::{
 };
 use esp_backtrace as _;
 use esp_println::println;
-use esp_riscv_rt::entry;
 use nb::block;
 use sha2::{Digest, Sha256};
 

esp32c3-hal/examples/spi_eh1_device_loopback.rs

@@ -31,7 +31,6 @@ use esp32c3_hal::{
 };
 use esp_backtrace as _;
 use esp_println::{print, println};
-use esp_riscv_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32c3-hal/examples/spi_eh1_loopback.rs

@@ -29,7 +29,6 @@ use esp32c3_hal::{
 };
 use esp_backtrace as _;
 use esp_println::{print, println};
-use esp_riscv_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32c3-hal/examples/spi_loopback.rs

@@ -28,7 +28,6 @@ use esp32c3_hal::{
 };
 use esp_backtrace as _;
 use esp_println::println;
-use esp_riscv_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32c3-hal/examples/spi_loopback_dma.rs

@@ -30,7 +30,6 @@ use esp32c3_hal::{
 };
 use esp_backtrace as _;
 use esp_println::println;
-use esp_riscv_rt::entry;
 
 #[entry]
 fn main() -> ! {

esp32c3-hal/examples/systimer.rs

@@ -20,7 +20,6 @@ use esp32c3_hal::{
 };
 use esp_backtrace as _;
 use esp_println::println;
-use esp_riscv_rt::entry;
 
 static ALARM0: Mutex<RefCell<Option<Alarm<Periodic, 0>>>> = Mutex::new(RefCell::new(None));
 static ALARM1: Mutex<RefCell<Option<Alarm<Target, 1>>>> = Mutex::new(RefCell::new(None));

esp32c3-hal/examples/timer_interrupt.rs

@@ -13,11 +13,11 @@ use esp32c3_hal::{
     interrupt,
     peripherals::{self, Peripherals, TIMG0, TIMG1},
     prelude::*,
+    riscv,
     timer::{Timer, Timer0, TimerGroup},
     Rtc,
 };
 use esp_backtrace as _;
-use esp_riscv_rt::{entry, riscv};
 
 static TIMER0: Mutex<RefCell<Option<Timer<Timer0<TIMG0>>>>> = Mutex::new(RefCell::new(None));
 static TIMER1: Mutex<RefCell<Option<Timer<Timer0<TIMG1>>>>> = Mutex::new(RefCell::new(None));

esp32c3-hal/examples/twai.rs

@@ -21,7 +21,6 @@ use esp32c3_hal::{
 };
 use esp_backtrace as _;
 use esp_println::println;
-use esp_riscv_rt::entry;
 use nb::block;
 
 #[entry]

esp32c3-hal/examples/usb_serial_jtag.rs

@@ -14,13 +14,13 @@ use esp32c3_hal::{
     interrupt,
     peripherals::{self, Peripherals, USB_DEVICE},
     prelude::*,
+    riscv,
     timer::TimerGroup,
     Cpu,
     Rtc,
     UsbSerialJtag,
 };
 use esp_backtrace as _;
-use esp_riscv_rt::{entry, riscv};
 use nb::block;
 
 static USB_SERIAL: Mutex<RefCell<Option<UsbSerialJtag<USB_DEVICE>>>> =

esp32c3-hal/examples/watchdog.rs

@@ -14,7 +14,6 @@ use esp32c3_hal::{
 };
 use esp_backtrace as _;
 use esp_println::println;
-use esp_riscv_rt::entry;
 use nb::block;
 
 #[entry]

esp32c3-hal/src/lib.rs

@@ -14,6 +14,7 @@ pub use esp_hal_common::{
     dma,
     dma::gdma,
     efuse,
+    entry,
     gpio,
     i2c,
     i2s,
@@ -23,11 +24,13 @@ pub use esp_hal_common::{
     peripherals,
     prelude,
     pulse_control,
+    riscv,
     sha,
     spi,
     system,
     systimer,
     timer,
+    trapframe,
     twai,
     uart,
     utils,
@@ -125,7 +128,7 @@ static ENTRY_POINT: unsafe fn() -> ! = start_hal;
 
 #[cfg(feature = "direct-boot")]
 #[doc(hidden)]
-#[esp_riscv_rt::pre_init]
+#[esp_hal_common::esp_riscv_rt::pre_init]
 unsafe fn init() {
     r0::init_data(&mut _srwtext, &mut _erwtext, &_irwtext);