commit 26866312f5f0cde5855a6c14c30e0cdbc33cc58b
author Treehugger Robot <treehugger-gerrit@google.com> Fri Mar 31 08:55:51 2023 +0000
committer Gerrit Code Review <noreply-gerritcodereview@google.com> Fri Mar 31 08:55:51 2023 +0000
tree 2abe1ec0146fc314bc9cac6728c3721c4df38b05
parent eb27db4bc3733cdd0ef08b362ef5816cc2bdcb7b
parent 7d6944fdf49ca9e12f346f23a085789bb70775d8

Merge "pvmfw: Improve asm! options for DC CVAU"

pvmfw/src/helpers.rs

diff --git a/pvmfw/src/helpers.rs b/pvmfw/src/helpers.rs
index 4df9386..5d9a75b 100644
--- a/pvmfw/src/helpers.rs
+++ b/pvmfw/src/helpers.rs
@@ -97,7 +97,13 @@
 
     for line in (start..end).step_by(line_size) {
         // SAFETY - Clearing cache lines shouldn't have Rust-visible side effects.
-        unsafe { asm!("dc cvau, {x}", x = in(reg) line) }
+        unsafe {
+            asm!(
+                "dc cvau, {x}",
+                x = in(reg) line,
+                options(nomem, nostack, preserves_flags),
+            )
+        }
     }
 }