diff options
Diffstat (limited to 'src/arch/x86/bios/smbios.cc')
-rw-r--r-- | src/arch/x86/bios/smbios.cc | 152 |
1 files changed, 147 insertions, 5 deletions
diff --git a/src/arch/x86/bios/smbios.cc b/src/arch/x86/bios/smbios.cc index de4a263b7..95ade1e4d 100644 --- a/src/arch/x86/bios/smbios.cc +++ b/src/arch/x86/bios/smbios.cc @@ -88,9 +88,14 @@ #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:: SMBiosHeader::formattedArea[] = {0,0,0,0,0}; @@ -101,6 +106,116 @@ const uint8_t X86ISA::SMBios::SMBiosTable:: 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) : + SMBiosStructure(p, Type), + startingAddrSegment(p->starting_addr_segment), + romSize(p->rom_size), + majorVer(p->major), minorVer(p->minor), + embContFirmwareMajor(p->emb_cont_firmware_major), + embContFirmwareMinor(p->emb_cont_firmware_minor) + { + vendor = addString(p->vendor); + version = addString(p->version); + releaseDate = addString(p->release_date); + + characteristics = composeBitVector(p->characteristics); + characteristicExtBytes = + composeBitVector(p->characteristic_ext_bytes); + } + uint16_t X86ISA::SMBios::BiosInformation::writeOut(FunctionalPort * port, Addr addr) { @@ -122,8 +237,8 @@ X86ISA::SMBios::BiosInformation::writeOut(FunctionalPort * port, Addr addr) X86ISA::htog(characteristicExtBytes); port->writeBlob(addr + 0x12, (uint8_t *)(&characteristicExtBytesGuest), 2); - port->writeBlob(addr + 0x14, (uint8_t *)(&major), 1); - port->writeBlob(addr + 0x15, (uint8_t *)(&minor), 1); + port->writeBlob(addr + 0x14, (uint8_t *)(&majorVer), 1); + port->writeBlob(addr + 0x15, (uint8_t *)(&minorVer), 1); port->writeBlob(addr + 0x16, (uint8_t *)(&embContFirmwareMajor), 1); port->writeBlob(addr + 0x17, (uint8_t *)(&embContFirmwareMinor), 1); @@ -132,9 +247,22 @@ X86ISA::SMBios::BiosInformation::writeOut(FunctionalPort * port, Addr addr) return size; } +X86ISA::SMBios::SMBiosTable::SMBiosTable(Params * p) : + SimObject(p), structures(p->structures) +{ + smbiosHeader.majorVersion = p->major_version; + smbiosHeader.minorVersion = p->minor_version; + assert(p->major_version <= 9); + assert(p->minor_version <= 9); + smbiosHeader.intermediateHeader.smbiosBCDRevision = + (p->major_version << 4) | p->minor_version; +} + void -X86ISA::SMBios::SMBiosTable::writeOut(FunctionalPort * port, Addr addr) +X86ISA::SMBios::SMBiosTable::writeOut(FunctionalPort * port, Addr addr, + Addr &headerSize, Addr &structSize) { + headerSize = 0x1F; /* * The main header @@ -205,14 +333,16 @@ X86ISA::SMBios::SMBiosTable::writeOut(FunctionalPort * port, Addr addr) Addr base = smbiosHeader.intermediateHeader.tableAddr; Addr offset = 0; uint16_t maxSize = 0; - std::vector<SMBiosStructure>::iterator it; + std::vector<SMBiosStructure *>::iterator it; for (it = structures.begin(); it != structures.end(); it++) { - uint16_t size = it->writeOut(port, base + offset); + uint16_t size = (*it)->writeOut(port, base + offset); if (size > maxSize) maxSize = size; offset += size; } + structSize = offset; + /* * Header */ @@ -243,3 +373,15 @@ X86ISA::SMBios::SMBiosTable::writeOut(FunctionalPort * port, Addr addr) intChecksum = -intChecksum; port->writeBlob(addr + 0x15, (uint8_t *)(&intChecksum), 1); } + +X86ISA::SMBios::BiosInformation * +X86SMBiosBiosInformationParams::create() +{ + return new X86ISA::SMBios::BiosInformation(this); +} + +X86ISA::SMBios::SMBiosTable * +X86SMBiosSMBiosTableParams::create() +{ + return new X86ISA::SMBios::SMBiosTable(this); +} |