From 50c511719b7e4aca701a8d6c9c1e815df14d5ffd Mon Sep 17 00:00:00 2001
From: Alexandru Radovici <msg4alex@gmail.com>
Date: Tue, 15 Feb 2022 02:37:35 +0200
Subject: [PATCH] update

---
 runtime/src/syscalls_impl_arm.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/runtime/src/syscalls_impl_arm.rs b/runtime/src/syscalls_impl_arm.rs
index e2e027e7..f0c46834 100644
--- a/runtime/src/syscalls_impl_arm.rs
+++ b/runtime/src/syscalls_impl_arm.rs
@@ -29,6 +29,7 @@ unsafe impl RawSyscalls for crate::TockSyscalls {
         unsafe {
             asm!("svc 0",
                  inlateout("r0") r0 => _, // a1
+                 inlateout("r1") r1 => _, // a2
                  // r4-r8 are callee-saved.
                  // r9 is platform-specific. We don't use it in libtock_runtime,
                  // so it is either unused or used as a callee-saved register.
@@ -37,7 +38,7 @@ unsafe impl RawSyscalls for crate::TockSyscalls {
                  // r13 is the stack pointer and must be restored by the callee.
                  // r15 is the program counter.
 
-                 clobber_abi("C"), // a2, a3, a4, ip (r12), lr (r14)
+                 clobber_abi("C"), // a3, a4, ip (r12), lr (r14)
             );
         }
     }