diff options
Diffstat (limited to 'src/arch/arm/linux')
| -rw-r--r-- | src/arch/arm/linux/process.cc | 8 |
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[] = |