syscall emulation: clean up & comment SyscallReturn

1 files changed, 4 insertions, 5 deletions

diff --git a/src/arch/alpha/process.cc b/src/arch/alpha/process.cc
index 07208fb29..8cc83b0fd 100644
--- a/src/arch/alpha/process.cc
+++ b/src/arch/alpha/process.cc
@@ -220,19 +220,18 @@ AlphaLiveProcess::setSyscallArg(ThreadContext *tc,
 }
 
 void
-AlphaLiveProcess::setSyscallReturn(ThreadContext *tc,
-        SyscallReturn return_value)
+AlphaLiveProcess::setSyscallReturn(ThreadContext *tc, SyscallReturn sysret)
 {
     // check for error condition.  Alpha syscall convention is to
     // indicate success/failure in reg a3 (r19) and put the
     // return value itself in the standard return value reg (v0).
-    if (return_value.successful()) {
+    if (sysret.successful()) {
         // no error
         tc->setIntReg(SyscallSuccessReg, 0);
-        tc->setIntReg(ReturnValueReg, return_value.value());
+        tc->setIntReg(ReturnValueReg, sysret.returnValue());
     } else {
         // got an error, return details
         tc->setIntReg(SyscallSuccessReg, (IntReg)-1);
-        tc->setIntReg(ReturnValueReg, -return_value.value());
+        tc->setIntReg(ReturnValueReg, sysret.errnoValue());
     }
 }