aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--cortex-m-rt/build.rs6
1 files changed, 5 insertions, 1 deletions
diff --git a/cortex-m-rt/build.rs b/cortex-m-rt/build.rs
index 8166b1b..a978146 100644
--- a/cortex-m-rt/build.rs
+++ b/cortex-m-rt/build.rs
@@ -24,6 +24,11 @@ fn main() {
let mut f = if env::var_os("CARGO_FEATURE_DEVICE").is_some() {
let mut f = File::create(out.join("link.x")).unwrap();
+ f.write_all(link_x).unwrap();
+
+ // *IMPORTANT*: The weak aliases (i.e. `PROVIDED`) must come *after* `EXTERN(__INTERRUPTS)`.
+ // Otherwise the linker will ignore user defined interrupts and always populate the table
+ // with the weak aliases.
writeln!(
f,
r#"
@@ -31,7 +36,6 @@ fn main() {
/* This will usually be provided by a device crate generated using svd2rust (see `device.x`) */
INCLUDE device.x"#
).unwrap();
- f.write_all(link_x).unwrap();
f
} else {
let mut f = File::create(out.join("link.x")).unwrap();