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authorGabe Black <gblack@eecs.umich.edu>2009-04-06 10:19:36 -0700
committerGabe Black <gblack@eecs.umich.edu>2009-04-06 10:19:36 -0700
commitd080581db1f9ee4e1e6d07d2b01c13c67908a391 (patch)
treecc484b289fa5a30c4631f9faa1d8b456bffeebfc /src/arch/x86/system.cc
parent7a7c4c5fca83a8d47c7e71c9c080a882ebe204a9 (diff)
parent639cb0a42d953ee32bc7e96b0cdfa96cd40e9fc1 (diff)
downloadgem5-d080581db1f9ee4e1e6d07d2b01c13c67908a391.tar.xz
Merge ARM into the head. ARM will compile but may not actually work.
Diffstat (limited to 'src/arch/x86/system.cc')
-rw-r--r--src/arch/x86/system.cc78
1 files changed, 59 insertions, 19 deletions
diff --git a/src/arch/x86/system.cc b/src/arch/x86/system.cc
index 947a7793e..ed3dae4e6 100644
--- a/src/arch/x86/system.cc
+++ b/src/arch/x86/system.cc
@@ -55,13 +55,15 @@
* Authors: Gabe Black
*/
+#include "arch/x86/bios/smbios.hh"
+#include "arch/x86/bios/intelmp.hh"
#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/intmath.hh"
#include "base/loader/object_file.hh"
#include "base/loader/symtab.hh"
+#include "base/remote_gdb.hh"
#include "base/trace.hh"
#include "cpu/thread_context.hh"
#include "mem/physical.hh"
@@ -72,14 +74,12 @@
using namespace LittleEndianGuest;
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;
-}
+X86System::X86System(Params *p) :
+ System(p), smbiosTable(p->smbios_table),
+ mpFloatingPointer(p->intel_mp_pointer),
+ mpConfigTable(p->intel_mp_table),
+ rsdp(p->acpi_description_table_pointer)
+{}
void
X86System::startup()
@@ -236,27 +236,67 @@ X86System::startup()
// We should now be in long mode. Yay!
+ Addr ebdaPos = 0xF0000;
+ Addr fixed, table;
+
//Write out the SMBios/DMI table
- writeOutSMBiosTable(0xF0000);
+ writeOutSMBiosTable(ebdaPos, fixed, table);
+ ebdaPos += (fixed + table);
+ ebdaPos = roundUp(ebdaPos, 16);
+
+ //Write out the Intel MP Specification configuration table
+ writeOutMPTable(ebdaPos, fixed, table);
+ ebdaPos += (fixed + table);
}
void
-X86System::writeOutSMBiosTable(Addr header, Addr table)
+X86System::writeOutSMBiosTable(Addr header,
+ Addr &headerSize, Addr &structSize, 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;
+ if (!table)
+ table = header + 0x1F;
+ smbiosTable->setTableAddr(table);
+
+ smbiosTable->writeOut(physPort, header, headerSize, structSize);
+
+ // Do some bounds checking to make sure we at least didn't step on
+ // ourselves.
+ assert(header > table || header + headerSize <= table);
+ assert(table > header || table + structSize <= header);
+}
+
+void
+X86System::writeOutMPTable(Addr fp,
+ Addr &fpSize, Addr &tableSize, 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 and it exists, just put
+ // it after the floating pointer. The fp size as of the 1.4 Intel MP
+ // specification is 0x10 bytes.
+ if (mpConfigTable) {
+ if (!table)
+ table = fp + 0x10;
+ mpFloatingPointer->setTableAddr(table);
}
- smbiosTable->writeOut(physPort, header);
+ fpSize = mpFloatingPointer->writeOut(physPort, fp);
+ if (mpConfigTable)
+ tableSize = mpConfigTable->writeOut(physPort, table);
+ else
+ tableSize = 0;
+
+ // Do some bounds checking to make sure we at least didn't step on
+ // ourselves and the fp structure was the size we thought it was.
+ assert(fp > table || fp + fpSize <= table);
+ assert(table > fp || table + tableSize <= fp);
+ assert(fpSize == 0x10);
}