commit b7557749d38fbc38fd439e8930181cc6a9dc0364
author Pierre-Clément Tosi <ptosi@google.com> Mon May 15 17:35:59 2023 +0000
committer Pierre-Clément Tosi <ptosi@google.com> Tue May 16 12:46:00 2023 +0000
tree e7dab13a283edc7cbb9c9107be9da18a8781de1c
parent 7c5df04c29dc6e2f888cd9d2c5382d5ba31a7022

pvmfw: Allow read_sysreg! being called from unsafe

Prevent a compiler warning/error from nested unsafe blocks.

Test: TH
Change-Id: I20b96287e7a2630100a37eb6d4eaf57e5a16d048

pvmfw/src/helpers.rs

diff --git a/pvmfw/src/helpers.rs b/pvmfw/src/helpers.rs
index bace8da..403c7e4 100644
--- a/pvmfw/src/helpers.rs
+++ b/pvmfw/src/helpers.rs
@@ -31,6 +31,7 @@
     ($sysreg:literal) => {{
         let mut r: usize;
         // Safe because it reads a system register and does not affect Rust.
+        #[allow(unused_unsafe)] // In case the macro is used within an unsafe block.
         unsafe {
             core::arch::asm!(
                 concat!("mrs {}, ", $sysreg),