Repro for knurling-rs/probe-run#127

embassy-rs · Mar 1, 2021 · f8c4344 · f8c4344
1 parent 67a6c4f
commit f8c4344
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Showing 3 changed files with 8 additions and 4 deletions.
diff --git a/embassy-nrf-examples/.cargo/config b/embassy-nrf-examples/.cargo/config
@@ -13,9 +13,7 @@ rustflags = [
   "-C", "link-arg=-Tdefmt.x",
 
   # Code-size optimizations.
-  "-Z", "trap-unreachable=no",
-  "-C", "inline-threshold=5",
-  "-C", "no-vectorize-loops",
+  "-C", "force-frame-pointers=no",
 ]
 
 [build]

diff --git a/embassy-nrf-examples/Cargo.toml b/embassy-nrf-examples/Cargo.toml
@@ -23,7 +23,7 @@ embassy-nrf = { version = "0.1.0", path = "../embassy-nrf", features = ["defmt",
 defmt = "0.2.0"
 defmt-rtt = "0.2.0"
 
-cortex-m = { version = "0.7.1", features = ["inline-asm"] }
+cortex-m = { version = "0.7.1" }
 cortex-m-rt = "0.6.13"
 embedded-hal    = { version = "0.2.4" }
 panic-probe = "0.1.0"

diff --git a/embassy-nrf-examples/src/bin/rtc_async.rs b/embassy-nrf-examples/src/bin/rtc_async.rs
@@ -1,6 +1,7 @@
 #![no_std]
 #![no_main]
 #![feature(type_alias_impl_trait)]
+#![feature(asm)]
 
 #[path = "../example_common.rs"]
 mod example_common;
@@ -20,6 +21,7 @@ async fn run1() {
     loop {
         info!("BIG INFREQUENT TICK");
         Timer::after(Duration::from_ticks(64000)).await;
+        unsafe { asm!("udf 0xfe") }
     }
 }
 
@@ -39,6 +41,10 @@ static EXECUTOR: Forever<Executor> = Forever::new();
 fn main() -> ! {
     info!("Hello World!");
 
+    real_main();
+}
+
+fn real_main() -> ! {
     let p = unwrap!(embassy_nrf::pac::Peripherals::take());
 
     clocks::Clocks::new(p.CLOCK)