X86: Put an SMBios/DMI table in memory.

This is basically just the header right now, but there's an untested
mechanism in place to fill out the table and make sure everything is
updated correctly.

--HG--
extra : convert_revision : c1610c0dfa211b7e0d091a04133695d84f500a1c

1 files changed, 29 insertions, 0 deletions

diff --git a/src/arch/x86/system.cc b/src/arch/x86/system.cc
index e0ef5dec0..947a7793e 100644
--- a/src/arch/x86/system.cc
+++ b/src/arch/x86/system.cc
@@ -57,6 +57,7 @@
 
 #include "arch/x86/miscregs.hh"
 #include "arch/x86/system.hh"
+#include "arch/x86/smbios.hh"
 #include "arch/vtophys.hh"
 #include "base/remote_gdb.hh"
 #include "base/loader/object_file.hh"
@@ -74,6 +75,10 @@ using namespace X86ISA;
 X86System::X86System(Params *p)
     : System(p)
 {
+    smbiosTable = new X86ISA::SMBios::SMBiosTable;
+    smbiosTable->smbiosHeader.majorVersion = 2;
+    smbiosTable->smbiosHeader.minorVersion = 5;
+    smbiosTable->smbiosHeader.intermediateHeader.smbiosBCDRevision = 0x25;
 }
 
 void
@@ -230,10 +235,34 @@ X86System::startup()
     threadContexts[0]->setNextPC(threadContexts[0]->readPC());
 
     // We should now be in long mode. Yay!
+
+    //Write out the SMBios/DMI table
+    writeOutSMBiosTable(0xF0000);
+}
+
+void
+X86System::writeOutSMBiosTable(Addr header, Addr table)
+{
+    // Get a port to write the table and header to memory.
+    FunctionalPort * physPort = threadContexts[0]->getPhysPort();
+
+    // If the table location isn't specified, just put it after the header.
+    // The header size as of the 2.5 SMBios specification is 0x1F bytes
+    if (!table) {
+        if (!smbiosTable->smbiosHeader.intermediateHeader.tableAddr)
+            smbiosTable->smbiosHeader.
+                intermediateHeader.tableAddr = header + 0x1F;
+    } else {
+        smbiosTable->smbiosHeader.intermediateHeader.tableAddr = table;
+    }
+
+    smbiosTable->writeOut(physPort, header);
 }
 
+
 X86System::~X86System()
 {
+    delete smbiosTable;
 }
 
 void