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-rw-r--r--src/arch/arm/linux/process.cc8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/arch/arm/linux/process.cc b/src/arch/arm/linux/process.cc
index bc6388b73..a36d1fd8f 100644
--- a/src/arch/arm/linux/process.cc
+++ b/src/arch/arm/linux/process.cc
@@ -482,6 +482,14 @@ ArmLinuxProcess::startup()
swiNeg1, sizeof(swiNeg1));
}
+ // We don't have barriers, so just return.
+ uint8_t memory_barrier[] =
+ {
+ 0x0e, 0xf0, 0xa0, 0xe1 //usr_ret lr
+ };
+ tc->getMemPort()->writeBlob(commPage + 0x0fa0, memory_barrier,
+ sizeof(memory_barrier));
+
// This -should- be atomic, but I don't think all the support that we'd
// need is implemented. There should also be memory barriers around it.
uint8_t cmpxchg[] =