changeset 1c4b9b1aa500 in /z/repo/m5
details: http://repo.m5sim.org/m5?cmd=changeset;node=1c4b9b1aa500
description:
X86: Turn SMBios structures into simobjects.
diffstat:
7 files changed, 78 insertions(+), 7 deletions(-)
configs/common/FSConfig.py | 2 +
src/arch/x86/X86System.py | 1
src/arch/x86/bios/SMBios.py | 70 +++++++++++++++++++++++++++++++++++++++++++
src/arch/x86/bios/smbios.cc | 3 +
src/arch/x86/bios/smbios.hh | 5 +--
src/arch/x86/system.cc | 3 -
src/arch/x86/system.hh | 1
diffs (truncated from 643 to 300 lines):
diff -r 2e7dbd0c4a2b -r 1c4b9b1aa500 configs/common/FSConfig.py
--- a/configs/common/FSConfig.py Fri Oct 10 03:50:42 2008 -0700
+++ b/configs/common/FSConfig.py Fri Oct 10 03:50:51 2008 -0700
@@ -185,6 +185,10 @@
self.intrctrl = IntrControl()
+ # Add in a Bios information structure.
+ structures = [X86SMBiosBiosInformation()]
+ self.smbios_table.structures = structures
+
def makeLinuxX86System(mem_mode, mdesc = None):
self = LinuxX86System()
diff -r 2e7dbd0c4a2b -r 1c4b9b1aa500 src/arch/x86/X86System.py
--- a/src/arch/x86/X86System.py Fri Oct 10 03:50:42 2008 -0700
+++ b/src/arch/x86/X86System.py Fri Oct 10 03:50:51 2008 -0700
@@ -55,10 +55,13 @@
from m5.params import *
from E820 import X86E820Table, X86E820Entry
+from SMBios import X86SMBiosSMBiosTable
from System import System
class X86System(System):
type = 'X86System'
+ smbios_table = Param.X86SMBiosSMBiosTable(
+ X86SMBiosSMBiosTable(), 'table of smbios/dmi information')
class LinuxX86System(X86System):
type = 'LinuxX86System'
diff -r 2e7dbd0c4a2b -r 1c4b9b1aa500 src/arch/x86/bios/SConscript
--- a/src/arch/x86/bios/SConscript Fri Oct 10 03:50:42 2008 -0700
+++ b/src/arch/x86/bios/SConscript Fri Oct 10 03:50:51 2008 -0700
@@ -65,4 +65,5 @@
Source('e820.cc')
# The DMI tables.
+ SimObject('SMBios.py')
Source('smbios.cc')
diff -r 2e7dbd0c4a2b -r 1c4b9b1aa500 src/arch/x86/bios/SMBios.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/arch/x86/bios/SMBios.py Fri Oct 10 03:50:51 2008 -0700
@@ -0,0 +1,140 @@
+# Copyright (c) 2008 The Hewlett-Packard Development Company
+# All rights reserved.
+#
+# Redistribution and use of this software in source and binary forms,
+# with or without modification, are permitted provided that the
+# following conditions are met:
+#
+# The software must be used only for Non-Commercial Use which means any
+# use which is NOT directed to receiving any direct monetary
+# compensation for, or commercial advantage from such use. Illustrative
+# examples of non-commercial use are academic research, personal study,
+# teaching, education and corporate research & development.
+# Illustrative examples of commercial use are distributing products for
+# commercial advantage and providing services using the software for
+# commercial advantage.
+#
+# If you wish to use this software or functionality therein that may be
+# covered by patents for commercial use, please contact:
+# Director of Intellectual Property Licensing
+# Office of Strategy and Technology
+# Hewlett-Packard Company
+# 1501 Page Mill Road
+# Palo Alto, California 94304
+#
+# Redistributions of source code must retain the above copyright notice,
+# this list of conditions and the following disclaimer. Redistributions
+# in binary form must reproduce the above copyright notice, this list of
+# conditions and the following disclaimer in the documentation and/or
+# other materials provided with the distribution. Neither the name of
+# the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission. No right of
+# sublicense is granted herewith. Derivatives of the software and
+# output created using the software may be prepared, but only for
+# Non-Commercial Uses. Derivatives of the software may be shared with
+# others provided: (i) the others agree to abide by the list of
+# conditions herein which includes the Non-Commercial Use restrictions;
+# and (ii) such Derivatives of the software include the above copyright
+# notice to acknowledge the contribution from this software where
+# applicable, this list of conditions and the disclaimer below.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Authors: Gabe Black
+
+from m5.params import *
+from m5.SimObject import SimObject
+
+class X86SMBiosSMBiosStructure(SimObject):
+ type = 'X86SMBiosSMBiosStructure'
+ cxx_class = 'X86ISA::SMBios::SMBiosStructure'
+ abstract = True
+
+class Characteristic(Enum):
+ map = {'Unknown' : 2,
+ 'Unsupported' : 3,
+ 'ISA' : 4,
+ 'MCA' : 5,
+ 'EISA' : 6,
+ 'PCI' : 7,
+ 'PCMCIA' : 8,
+ 'PnP' : 9,
+ 'APM' : 10,
+ 'Flash' : 11,
+ 'Shadow' : 12,
+ 'VL_Vesa' : 13,
+ 'ESCD' : 14,
+ 'CDBoot' : 15,
+ 'SelectBoot' : 16,
+ 'Socketed' : 17,
+ 'PCMCIABoot' : 18,
+ 'EDD' : 19,
+ 'NEC9800' : 20,
+ 'Toshiba' : 21,
+ 'Floppy_5_25_360KB' : 22,
+ 'Floppy_5_25_1_2MB' : 23,
+ 'Floppy_3_5_720KB' : 24,
+ 'Floppy_3_5_2_88MB' : 25,
+ 'PrintScreen' : 26,
+ 'Keyboard8024' : 27,
+ 'Serial' : 28,
+ 'Printer' : 29,
+ 'CGA_Mono' : 30,
+ 'NEC_PC_98' : 31
+ }
+
+class ExtCharacteristic(Enum):
+ map = {'ACPI' : 0,
+ 'USBLegacy' : 1,
+ 'AGP' : 2,
+ 'I20Boot' : 3,
+ 'LS_120Boot' : 4,
+ 'ZIPBoot' : 5,
+ 'FirewireBoot' : 6,
+ 'SmartBattery' : 7,
+ 'BootSpec' : 8,
+ 'NetServiceBoot' : 9,
+ 'TargetContent' : 10
+ }
+
+class X86SMBiosBiosInformation(X86SMBiosSMBiosStructure):
+ type = 'X86SMBiosBiosInformation'
+ cxx_class = 'X86ISA::SMBios::BiosInformation'
+
+ vendor = Param.String("", "vendor name string")
+ version = Param.String("", "version string")
+ starting_addr_segment = \
+ Param.UInt16(0, "segment location of bios starting address")
+ release_date = Param.String("06/08/2008", "release date")
+ rom_size = Param.UInt8(0, "rom size")
+ characteristics = VectorParam.Characteristic([],
+ "bios characteristic bit vector")
+ characteristic_ext_bytes = VectorParam.ExtCharacteristic([],
+ "extended bios characteristic bit vector")
+ major = Param.UInt8(0, "major version number")
+ minor = Param.UInt8(0, "minor version number")
+ emb_cont_firmware_major = Param.UInt8(0,
+ "embedded controller firmware major version number")
+
+ emb_cont_firmware_minor = Param.UInt8(0,
+ "embedded controller firmware minor version number")
+
+class X86SMBiosSMBiosTable(SimObject):
+ type = 'X86SMBiosSMBiosTable'
+ cxx_class = 'X86ISA::SMBios::SMBiosTable'
+
+ major_version = Param.UInt8(2, "major version number")
+ minor_version = Param.UInt8(5, "minor version number")
+
+ structures = VectorParam.X86SMBiosSMBiosStructure([], "smbios structures")
diff -r 2e7dbd0c4a2b -r 1c4b9b1aa500 src/arch/x86/bios/smbios.cc
--- a/src/arch/x86/bios/smbios.cc Fri Oct 10 03:50:42 2008 -0700
+++ b/src/arch/x86/bios/smbios.cc Fri Oct 10 03:50:51 2008 -0700
@@ -88,8 +88,13 @@
#include "arch/x86/bios/smbios.hh"
#include "arch/x86/isa_traits.hh"
#include "mem/port.hh"
+#include "params/X86SMBiosBiosInformation.hh"
+#include "params/X86SMBiosSMBiosStructure.hh"
+#include "params/X86SMBiosSMBiosTable.hh"
#include "sim/byteswap.hh"
#include "sim/host.hh"
+
+using namespace std;
const char X86ISA::SMBios::SMBiosTable::SMBiosHeader::anchorString[] = "_SM_";
const uint8_t X86ISA::SMBios::SMBiosTable::
@@ -100,6 +105,116 @@
SMBiosHeader::entryPointRevision = 0;
const char X86ISA::SMBios::SMBiosTable::
SMBiosHeader::IntermediateHeader::anchorString[] = "_DMI_";
+
+template <class T>
+uint64_t
+composeBitVector(T vec)
+{
+ uint64_t val = 0;
+ typename T::iterator vecIt;
+ for (vecIt = vec.begin(); vecIt != vec.end(); vecIt++) {
+ val |= (1 << (*vecIt));
+ }
+ return val;
+}
+
+uint16_t
+X86ISA::SMBios::SMBiosStructure::writeOut(FunctionalPort * port, Addr addr)
+{
+ port->writeBlob(addr, (uint8_t *)(&type), 1);
+
+ uint8_t length = getLength();
+ port->writeBlob(addr + 1, (uint8_t *)(&length), 1);
+
+ uint16_t handleGuest = X86ISA::htog(handle);
+ port->writeBlob(addr + 2, (uint8_t *)(&handleGuest), 2);
+
+ return length + getStringLength();
+}
+
+X86ISA::SMBios::SMBiosStructure::SMBiosStructure(Params * p, uint8_t _type) :
+ SimObject(p), type(_type), handle(0), stringFields(false)
+{}
+
+void
+X86ISA::SMBios::SMBiosStructure::writeOutStrings(
+ FunctionalPort * port, Addr addr)
+{
+ std::vector<std::string>::iterator it;
+ Addr offset = 0;
+
+ const uint8_t nullTerminator = 0;
+
+ // If there are string fields but none of them are used, that's a
+ // special case which is handled by this if.
+ if (strings.size() == 0 && stringFields) {
+ port->writeBlob(addr + offset, (uint8_t *)(&nullTerminator), 1);
+ offset++;
+ } else {
+ for (it = strings.begin(); it != strings.end(); it++) {
+ port->writeBlob(addr + offset,
+ (uint8_t *)it->c_str(), it->length() + 1);
+ offset += it->length() + 1;
+ }
+ }
+ port->writeBlob(addr + offset, (uint8_t *)(&nullTerminator), 1);
+}
+
+int
+X86ISA::SMBios::SMBiosStructure::getStringLength()
+{
+ int size = 0;
+ std::vector<std::string>::iterator it;
+
+ for (it = strings.begin(); it != strings.end(); it++) {
+ size += it->length() + 1;
+ }
+
+ return size + 1;
+}
+
+int
+X86ISA::SMBios::SMBiosStructure::addString(string & newString)
+{
+ stringFields = true;
+ // If a string is empty, treat it as not existing. The index for empty
+ // strings is 0.
+ if (newString.length() == 0)
+ return 0;
+ strings.push_back(newString);
+ return strings.size();
+}
+
+string
+X86ISA::SMBios::SMBiosStructure::readString(int n)
+{
+ assert(n > 0 && n <= strings.size());
+ return strings[n - 1];
+}
+
+void
+X86ISA::SMBios::SMBiosStructure::setString(int n, std::string & newString)
+{
+ assert(n > 0 && n <= strings.size());
+ strings[n - 1] = newString;
+}
+
+X86ISA::SMBios::BiosInformation::BiosInformation(Params * p) :
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