From 9b8e61beb38af081454ffd5e06d14458080b98e0 Mon Sep 17 00:00:00 2001
From: Vince Weaver <vince@csl.cornell.edu>
Date: Tue, 15 Sep 2009 22:36:47 -0700
Subject: Syscalls: Implement sysinfo() syscall.

---
 src/sim/syscall_emul.hh | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'src/sim/syscall_emul.hh')

diff --git a/src/sim/syscall_emul.hh b/src/sim/syscall_emul.hh
index 5f2ebd428..c00edfdc6 100644
--- a/src/sim/syscall_emul.hh
+++ b/src/sim/syscall_emul.hh
@@ -59,6 +59,7 @@
 #include "cpu/thread_context.hh"
 #include "mem/translating_port.hh"
 #include "mem/page_table.hh"
+#include "sim/system.hh"
 #include "sim/process.hh"
 
 ///
@@ -558,6 +559,22 @@ openFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
 
 }
 
+/// Target sysinfo() handler.
+template <class OS>
+SyscallReturn
+sysinfoFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
+         ThreadContext *tc)
+{
+
+   TypedBufferArg<typename OS::tgt_sysinfo> sysinfo(process->getSyscallArg(tc, 0));   
+
+   sysinfo->uptime=seconds_since_epoch;
+   sysinfo->totalram=process->system->memSize();
+
+   sysinfo.copyOut(tc->getMemPort());
+
+   return 0;
+}
 
 /// Target chmod() handler.
 template <class OS>
-- 
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