diff options
Diffstat (limited to 'src/cpu/simple/atomic.cc')
| -rw-r--r-- | src/cpu/simple/atomic.cc | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/src/cpu/simple/atomic.cc b/src/cpu/simple/atomic.cc index cd4f5457e..c092b5b1f 100644 --- a/src/cpu/simple/atomic.cc +++ b/src/cpu/simple/atomic.cc @@ -353,8 +353,14 @@ AtomicSimpleCPU::read(Addr addr, T &data, unsigned flags) recordEvent("Uncached Read"); //If there's a fault, return it - if (fault != NoFault) - return fault; + if (fault != NoFault) { + if (req->isPrefetch()) { + return NoFault; + } else { + return fault; + } + } + //If we don't need to access a second cache line, stop now. if (secondAddr <= addr) { @@ -531,7 +537,11 @@ AtomicSimpleCPU::write(T data, Addr addr, unsigned flags, uint64_t *res) assert(locked); locked = false; } - return fault; + if (fault != NoFault && req->isPrefetch()) { + return NoFault; + } else { + return fault; + } } /* |