summaryrefslogtreecommitdiff
path: root/cpu/exec_context.hh
diff options
context:
space:
mode:
authorAli Saidi <saidi@eecs.umich.edu>2005-03-09 15:52:10 -0500
committerAli Saidi <saidi@eecs.umich.edu>2005-03-09 15:52:10 -0500
commit232134a8169e35931a34140c57dc7a8dfb4b1546 (patch)
treec178f1b301ee284d81522ecc14ac40f927a0df13 /cpu/exec_context.hh
parent761d104f7b5771ad7c854a6e6474c30ce55e217e (diff)
downloadgem5-232134a8169e35931a34140c57dc7a8dfb4b1546.tar.xz
Changed all syscalls to use syscall return object.
arch/alpha/alpha_linux_process.cc: arch/alpha/alpha_tru64_process.cc: cpu/exec_context.hh: sim/process.hh: sim/syscall_emul.cc: sim/syscall_emul.hh: Changed all syscalls to use syscall return object arch/alpha/isa_traits.hh: Added syscall return object that packages return value and return status into an object. sim/process.cc: renamed variable name to nm so base class function name() can be called --HG-- extra : convert_revision : 6609c5ffecc9e3519d7a0cd160879fd21d54abfc
Diffstat (limited to 'cpu/exec_context.hh')
-rw-r--r--cpu/exec_context.hh8
1 files changed, 4 insertions, 4 deletions
diff --git a/cpu/exec_context.hh b/cpu/exec_context.hh
index 8437a5585..d6140d52f 100644
--- a/cpu/exec_context.hh
+++ b/cpu/exec_context.hh
@@ -435,20 +435,20 @@ class ExecContext
regs.intRegFile[ArgumentReg0 + i] = val;
}
- void setSyscallReturn(int64_t return_value)
+ void setSyscallReturn(SyscallReturn return_value)
{
// 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).
const int RegA3 = 19; // only place this is used
- if (return_value >= 0) {
+ if (return_value.successful()) {
// no error
regs.intRegFile[RegA3] = 0;
- regs.intRegFile[ReturnValueReg] = return_value;
+ regs.intRegFile[ReturnValueReg] = return_value.value();
} else {
// got an error, return details
regs.intRegFile[RegA3] = (IntReg) -1;
- regs.intRegFile[ReturnValueReg] = -return_value;
+ regs.intRegFile[ReturnValueReg] = -return_value.value();
}
}