sim-se: add socket-based functionality

Add socket, socketpair, bind, list, connect and shutdown
system calls.

Change-Id: I635af3fca410f96fe28f8fe497e3d457a9dbc470
Reviewed-on: https://gem5-review.googlesource.com/c/12113
Reviewed-by: Anthony Gutierrez <anthony.gutierrez@amd.com>
Maintainer: Anthony Gutierrez <anthony.gutierrez@amd.com>

1 files changed, 26 insertions, 0 deletions

diff --git a/src/sim/fd_entry.hh b/src/sim/fd_entry.hh
index 980011984..6b2b2daa8 100644
--- a/src/sim/fd_entry.hh
+++ b/src/sim/fd_entry.hh
@@ -211,4 +211,30 @@ class DeviceFDEntry : public FDEntry
     std::string _fileName;
 };
 
+class SocketFDEntry: public HBFDEntry
+{
+  public:
+    SocketFDEntry(int sim_fd, int domain, int type, int protocol,
+                  bool close_on_exec = false)
+        : HBFDEntry(0, sim_fd, close_on_exec),
+          _domain(domain), _type(type), _protocol(protocol)
+    { }
+
+    SocketFDEntry(SocketFDEntry const& reg, bool close_on_exec = false)
+        : HBFDEntry(reg._flags, reg._simFD, close_on_exec),
+          _domain(reg._domain), _type(reg._type), _protocol(reg._protocol)
+    { }
+
+    std::shared_ptr<FDEntry>
+    clone() const override
+    {
+        return std::make_shared<SocketFDEntry>(*this);
+    }
+
+  private:
+    int _domain;
+    int _type;
+    int _protocol;
+};
+
 #endif // __FD_ENTRY_HH__