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bios.cpp
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bios.cpp
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#include "stdafx.h"
#include "sysinv.h"
#include "smbios.h"
// 7.1.1 BIOS Characteristics
static LPCTSTR BIOS_CHARACTERISTICS[] = {
_T("Reserved"), // Bit 0
_T("Reserved"), // Bit 1
_T("Unknown"), // Bit 2
_T("BIOS Characteristics are not supported"), // Bit 3
_T("ISA is supported"), // Bit 4
_T("MCA is supported"), // Bit 5
_T("EISA is supported"), // Bit 6
_T("PCI is supported"), // Bit 7
_T("PC card (PCMCIA) is supported"), // Bit 8
_T("Plug and Play is supported"), // Bit 9
_T("APM is supported"), // Bit 10
_T("BIOS is upgradeable (Flash)"), // Bit 11
_T("BIOS shadowing is allowed"), // Bit 12
_T("VL-VESA is supported"), // Bit 13
_T("ESCD support is available"), // Bit 14
_T("Boot from CD is supported"), // Bit 15
_T("Selectable boot is supported"), // Bit 16
_T("BIOS ROM is socketed"), // Bit 17
_T("Boot from PC card (PCMCIA) is supported"), // Bit 18
_T("EDD specification is supported"), // Bit 19
_T("Int 13h — Japanese floppy for NEC 9800 1.2 MB (3.5”, 1K bytes/sector, 360 RPM) is supported"), // Bit 20
_T("Int 13h — Japanese floppy for Toshiba 1.2 MB (3.5”, 360 RPM) is supported"), // Bit 21
_T("Int 13h — 5.25” / 360 KB floppy services are supported"), // Bit 22
_T("Int 13h — 5.25” /1.2 MB floppy services are supported"), // Bit 23
_T("Int 13h — 3.5” / 720 KB floppy services are supported"), // Bit 24
_T("Int 13h — 3.5” / 2.88 MB floppy services are supported"), // Bit 25
_T("Int 5h, print screen Service is supported"), // Bit 26
_T("Int 9h, 8042 keyboard services are supported"), // Bit 27
_T("Int 14h, serial services are supported"), // Bit 28
_T("Int 17h, printer services are supported"), // Bit 29
_T("Int 10h, CGA/Mono Video Services are supported"), // Bit 30
_T("NEC PC-98.") // Bit 31
// Bits32:47 Reserved for BIOS vendor.
// Bits 48 : 63 Reserved for system vendor.
};
// 7.1.2.1 BIOS Characteristics Extension Byte 1
static LPCTSTR BIOS_CHARACTERISTICS_EX1[] = {
_T("ACPI is supported"), // Bit 0
_T("USB Legacy is supported"), // Bit 1
_T("AGP is supported"), // Bit 2
_T("I2O boot is supported") // Bit 3
};
// 7.1.2.2 BIOS Characteristics Extension Byte 2
static LPCTSTR BIOS_CHARACTERISTICS_EX2[] = {
_T("BIOS Boot Specification is supported"), // Bit 0
_T("Function key-initiated network service boot is supported"), // Bit 1
_T("Enable targeted content distribution"), // Bit 2
_T("UEFI Specification is supported"), // Bit 3
_T("SMBIOS table describes a virtual machine") // Bit 4
// Bits 5:7 Reserved for future assignment by this specification.
};
// BIOS Info table (7.1)
PNODE GetBiosDetail()
{
PNODE node = NULL;
PRAW_SMBIOS_DATA smbios = GetSmbiosData();
PSMBIOS_STRUCT_HEADER header = NULL;
LPTSTR unicode = NULL;
TCHAR buffer[MAX_PATH + 1];
DWORD i = 0;
DWORD dwBuffer = 0;
header = GetNextStructureOfType(NULL, SMB_TABLE_BIOS);
if (NULL == header)
return node;
// v2.0+
if (header->Length < 0x12) goto parsed;
node = node_alloc(_T("Bios"), 0);
// 0x04 Vendor
unicode = GetSmbiosString(header, BYTE_AT_OFFSET(header, 0x04));
node_att_set(node, _T("Vendor"), unicode, 0);
LocalFree(unicode);
// 0x05 BIOS Version
unicode = GetSmbiosString(header, BYTE_AT_OFFSET(header, 0x05));
node_att_set(node, _T("Version"), unicode, 0);
LocalFree(unicode);
// 0x06 Starting Address Segment
swprintf(buffer, _T("0x%X"), WORD_AT_OFFSET(header, 0x06));
node_att_set(node, _T("Address"), buffer, 0);
// 0x06 Runtime Size
swprintf(buffer, _T("%u"), 16 * (0x10000 - WORD_AT_OFFSET(header, 0x06)));
node_att_set(node, _T("RuntimeSizeBytes"), buffer, 0);
// 0x08 BIOS Release Date
unicode = GetSmbiosString(header, BYTE_AT_OFFSET(header, 0x08));
node_att_set(node, _T("Date"), unicode, NAFLG_FMT_DATETIME);
LocalFree(unicode);
// 0x09 BIOS ROM Size
swprintf(buffer, _T("%llu"), 64 * (1 + BYTE_AT_OFFSET(header, 0x09)));
node_att_set(node, _T("RomSizeKb"), buffer, NAFLG_FMT_KBYTES);
// 0x0A Characteristics
unicode = NULL;
for (i = 0; i < ARRAYSIZE(BIOS_CHARACTERISTICS); i++) {
if (CHECK_BIT(QWORD_AT_OFFSET(header, 0x0A), i)) {
AppendMultiString(&unicode, BIOS_CHARACTERISTICS[i]);
}
}
// v2.4 +
// 0x12 Characterist extensions byte 1
if (header->Length < 0x13) goto got_chars;
dwBuffer = BYTE_AT_OFFSET(header, 0x12);
for (i = 0; i < ARRAYSIZE(BIOS_CHARACTERISTICS_EX1); i++) {
if (CHECK_BIT(dwBuffer, i)) {
AppendMultiString(&unicode, BIOS_CHARACTERISTICS_EX1[i]);
}
}
// 0x12 Characterist extensions byte 2
if (header->Length < 0x14) goto got_chars;
dwBuffer = BYTE_AT_OFFSET(header, 0x13);
for (i = 0; i < ARRAYSIZE(BIOS_CHARACTERISTICS_EX2); i++) {
if (CHECK_BIT(dwBuffer, i)) {
AppendMultiString(&unicode, BIOS_CHARACTERISTICS_EX2[i]);
}
}
got_chars:
node_att_set_multi(node, _T("Characteristics"), unicode, 0);
LocalFree(unicode);
// 0x14, 0x15 System BIOS Release
if (header->Length < 0x16) goto parsed;
swprintf(buffer, _T("%u.%u"), BYTE_AT_OFFSET(header, 0x14), BYTE_AT_OFFSET(header, 0x15));
node_att_set(node, _T("Revision"), buffer, 0);
// 0x16, 0x17 Embedded Controller Firmware Release
if (header->Length < 0x18) goto parsed;
swprintf(buffer, _T("%u.%u"), BYTE_AT_OFFSET(header, 0x16), BYTE_AT_OFFSET(header, 0x17));
node_att_set(node, _T("FirmwareRevision"), buffer, 0);
parsed:
return node;
}