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-rw-r--r--heterogeneous/examples/x-init-2.rs39
1 files changed, 39 insertions, 0 deletions
diff --git a/heterogeneous/examples/x-init-2.rs b/heterogeneous/examples/x-init-2.rs
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+//! [compile-pass] Cross initialization of late resources
+
+#![deny(unsafe_code)]
+#![deny(warnings)]
+#![no_main]
+#![no_std]
+
+use panic_halt as _;
+
+#[rtfm::app(cores = 2, device = heterogeneous)]
+const APP: () = {
+ extern "C" {
+ // owned by core #1 but initialized by core #0
+ static mut X: u32;
+
+ // owned by core #0 but initialized by core #1
+ static mut Y: u32;
+ }
+
+ #[init(core = 0, late = [X])]
+ fn a(_: a::Context) -> a::LateResources {
+ a::LateResources { X: 0 }
+ }
+
+ #[idle(core = 0, resources = [Y])]
+ fn b(_: b::Context) -> ! {
+ loop {}
+ }
+
+ #[init(core = 1)]
+ fn c(_: c::Context) -> c::LateResources {
+ c::LateResources { Y: 0 }
+ }
+
+ #[idle(core = 1, resources = [X])]
+ fn d(_: d::Context) -> ! {
+ loop {}
+ }
+};