diff options
Diffstat (limited to 'src/kern')
| -rw-r--r-- | src/kern/linux/linux.cc | 10 | ||||
| -rw-r--r-- | src/kern/linux/linux.hh | 1 |
2 files changed, 11 insertions, 0 deletions
diff --git a/src/kern/linux/linux.cc b/src/kern/linux/linux.cc index bd0b4d09a..d571b81a1 100644 --- a/src/kern/linux/linux.cc +++ b/src/kern/linux/linux.cc @@ -55,6 +55,9 @@ Linux::openSpecialFile(std::string path, Process *process, } else if (path.compare(0, 11, "/etc/passwd") == 0) { data = Linux::etcPasswd(process, tc); matched = true; + } else if (path.compare(0, 30, "/sys/devices/system/cpu/online") == 0) { + data = Linux::cpuOnline(process, tc); + matched = true; } if (matched) { @@ -87,3 +90,10 @@ Linux::etcPasswd(Process *process, ThreadContext *tc) return csprintf("gem5-user:x:1000:1000:gem5-user,,,:%s:/bin/bash\n", process->getcwd()); } + +std::string +Linux::cpuOnline(Process *process, ThreadContext *tc) +{ + return csprintf("0-%d\n", + tc->getSystemPtr()->numContexts() - 1); +} diff --git a/src/kern/linux/linux.hh b/src/kern/linux/linux.hh index b24ee3895..a1df99467 100644 --- a/src/kern/linux/linux.hh +++ b/src/kern/linux/linux.hh @@ -227,6 +227,7 @@ class Linux : public OperatingSystem ThreadContext *tc); static std::string procMeminfo(Process *process, ThreadContext *tc); static std::string etcPasswd(Process *process, ThreadContext *tc); + static std::string cpuOnline(Process *process, ThreadContext *tc); // For futex system call static const unsigned TGT_FUTEX_WAIT = 0; |