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Dynamically generated firmware configuration information page

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This commit is contained in:
Jeremy Soller
2020-08-06 11:22:13 -06:00
committed by Jeremy Soller
parent d46c7763aa
commit 26279e8f9a
5 changed files with 250 additions and 2 deletions
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221
MdeModulePkg/Application/UiApp/FrontPage.c
View File

@ -7,6 +7,10 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <Register/Amd/Cpuid.h>
#include <Register/Intel/Cpuid.h>
#include <Register/Intel/Msr.h>
#include "FrontPage.h"
#include "FrontPageCustomizedUi.h"
@ -33,6 +37,8 @@ UINT32 mSetupTextModeRow = 0;
UINT32 mSetupHorizontalResolution = 0;
UINT32 mSetupVerticalResolution = 0;
EFI_SYSTEM_TABLE * gSystemTable = NULL;
FRONT_PAGE_CALLBACK_DATA gFrontPagePrivate = {
FRONT_PAGE_CALLBACK_DATA_SIGNATURE,
NULL,
@ -564,6 +570,216 @@ WarnNoBootableMedia (
FreePool(String);
}
BOOLEAN
StandardSignatureIsAuthenticAMD (
VOID
)
{
UINT32 RegEbx;
UINT32 RegEcx;
UINT32 RegEdx;
AsmCpuid (CPUID_SIGNATURE, NULL, &RegEbx, &RegEcx, &RegEdx);
return (RegEbx == CPUID_SIGNATURE_AUTHENTIC_AMD_EBX &&
RegEcx == CPUID_SIGNATURE_AUTHENTIC_AMD_ECX &&
RegEdx == CPUID_SIGNATURE_AUTHENTIC_AMD_EDX);
}
BOOLEAN
StandardSignatureIsGenuineIntel (
VOID
)
{
UINT32 RegEbx;
UINT32 RegEcx;
UINT32 RegEdx;
AsmCpuid (CPUID_SIGNATURE, NULL, &RegEbx, &RegEcx, &RegEdx);
return (RegEbx == CPUID_SIGNATURE_GENUINE_INTEL_EBX &&
RegEcx == CPUID_SIGNATURE_GENUINE_INTEL_ECX &&
RegEdx == CPUID_SIGNATURE_GENUINE_INTEL_EDX);
}
typedef struct {
CHAR8 Signature[8];
UINT8 Checksum;
CHAR8 OemId[6];
UINT8 Revision;
UINT32 RsdtAddress;
} ACPI_RSDP;
CHAR8 RSDP_SIGNATURE[8] = {'R', 'S', 'D', ' ', 'P', 'T', 'R', ' '};
typedef struct {
CHAR8 Signature[4];
UINT32 Length;
UINT8 Revision;
UINT8 Checksum;
CHAR8 OemId[6];
CHAR8 OemTableId[8];
UINT32 OemRevision;
UINT32 CreatorId;
UINT32 CreatorRevision;
} ACPI_SDT_HEADER;
CHAR8 RSDT_SIGNATURE[4] = {'R', 'S', 'D', 'T'};
STATIC ACPI_SDT_HEADER* FindAcpiTable(CHAR8 Name[4]) {
UINTN Index;
EFI_CONFIGURATION_TABLE* ConfigurationTable;
UINTN RsdpPtr;
ACPI_RSDP* Rsdp;
UINTN RsdtPtr;
ACPI_SDT_HEADER* Rsdt;
UINTN TablePtr;
ACPI_SDT_HEADER* Table;
DEBUG ((EFI_D_INFO, "FindAcpiTable: '%c%c%c%c'\n",
Name[0],
Name[1],
Name[2],
Name[3]
));
if (gSystemTable == NULL) {
DEBUG ((EFI_D_INFO, " System Table missing\n"));
return NULL;
}
// Search the table for an entry that matches the ACPI Table Guid
for (Index = 0; Index < gSystemTable->NumberOfTableEntries; Index++) {
if (CompareGuid (&gEfiAcpiTableGuid, &(gSystemTable->ConfigurationTable[Index].VendorGuid))) {
ConfigurationTable = &gSystemTable->ConfigurationTable[Index];
break;
}
}
if (ConfigurationTable == NULL) {
DEBUG ((EFI_D_INFO, " ACPI Configuration Table missing\n"));
return NULL;
}
RsdpPtr = (UINTN)ConfigurationTable->VendorTable;
DEBUG ((EFI_D_INFO, " RSDP 0x%x\n", RsdpPtr));
Rsdp = (ACPI_RSDP*)RsdpPtr;
DEBUG ((EFI_D_INFO, " Signature: '%c%c%c%c%c%c%c%c'\n",
Rsdp->Signature[0],
Rsdp->Signature[1],
Rsdp->Signature[2],
Rsdp->Signature[3],
Rsdp->Signature[4],
Rsdp->Signature[5],
Rsdp->Signature[6],
Rsdp->Signature[7]
));
if (CompareMem(Rsdp->Signature, RSDP_SIGNATURE, 8) != 0) {
DEBUG ((EFI_D_INFO, " RSDP invalid signature\n"));
return NULL;
}
DEBUG ((EFI_D_INFO, " Revision: 0x%x\n", Rsdp->Revision));
RsdtPtr = (UINTN)Rsdp->RsdtAddress;
DEBUG ((EFI_D_INFO, " RSDT 0x%x\n", RsdpPtr));
Rsdt = (ACPI_SDT_HEADER*)RsdtPtr;
DEBUG ((EFI_D_INFO, " Signature: '%c%c%c%c'\n",
Rsdt->Signature[0],
Rsdt->Signature[1],
Rsdt->Signature[2],
Rsdt->Signature[3]
));
if (CompareMem(Rsdt->Signature, RSDT_SIGNATURE, 4) != 0) {
DEBUG ((EFI_D_INFO, " RSDT invalid signature\n"));
return NULL;
}
DEBUG ((EFI_D_INFO, " Revision: 0x%x\n", Rsdt->Revision));
DEBUG ((EFI_D_INFO, " Length: 0x%x\n", Rsdt->Length));
for (Index = sizeof(ACPI_SDT_HEADER); Index < Rsdt->Length; Index += 4) {
TablePtr = (UINTN)(*(UINT32*)(RsdtPtr + Index));
DEBUG ((EFI_D_INFO, " Table %d: 0x%x\n", Index, TablePtr));
Table = (ACPI_SDT_HEADER*)TablePtr;
DEBUG ((EFI_D_INFO, " Signature: '%c%c%c%c'\n",
Table->Signature[0],
Table->Signature[1],
Table->Signature[2],
Table->Signature[3]
));
DEBUG ((EFI_D_INFO, " Revision: 0x%x\n", Table->Revision));
DEBUG ((EFI_D_INFO, " Length: 0x%x\n", Table->Length));
if (CompareMem(Table->Signature, Name, 4) == 0) {
DEBUG ((EFI_D_INFO, " Match found\n"));
return Table;
}
}
DEBUG ((EFI_D_INFO, " No match found\n"));
return NULL;
}
STATIC VOID FirmwareConfigurationInformation(VOID) {
EFI_STRING_ID Token;
Token = STRING_TOKEN (STR_VIRTUALIZATION);
if (StandardSignatureIsGenuineIntel()) {
HiiSetString (gFrontPagePrivate.HiiHandle, Token, L"Intel Virtualization", NULL);
Token = STRING_TOKEN (STR_VIRTUALIZATION_STATUS);
IA32_CR4 Cr4;
Cr4.UintN = AsmReadCr4 ();
if (Cr4.Bits.VMXE) {
HiiSetString (gFrontPagePrivate.HiiHandle, Token, L"VT-x: Active", NULL);
} else {
HiiSetString (gFrontPagePrivate.HiiHandle, Token, L"VT-x: Deactivated", NULL);
}
Token = STRING_TOKEN (STR_IOMMU_STATUS);
CHAR8 TableName[4] = {'D', 'M', 'A', 'R'};
if (FindAcpiTable(TableName)) {
HiiSetString (gFrontPagePrivate.HiiHandle, Token, L"VT-d: Active", NULL);
} else {
HiiSetString (gFrontPagePrivate.HiiHandle, Token, L"VT-d: Deactivated", NULL);
}
Token = STRING_TOKEN(STR_ME_STATUS);
//TODO: proper test for ME
BOOLEAN me_active = FALSE;
if (!me_active) {
HiiSetString (gFrontPagePrivate.HiiHandle, Token, L"The Intel Management Engine is disabled at runtime to increase security.", NULL);
}
} else if (StandardSignatureIsAuthenticAMD()) {
//TODO: verify AMD tests
HiiSetString (gFrontPagePrivate.HiiHandle, Token, L"AMD Virtualization", NULL);
Token = STRING_TOKEN (STR_VIRTUALIZATION_STATUS);
MSR_IA32_EFER_REGISTER MsrEfer;
MsrEfer.Uint64 = AsmReadMsr64 (MSR_CORE_IA32_EFER);
if (MsrEfer.Bits.SVME) {
HiiSetString (gFrontPagePrivate.HiiHandle, Token, L"AMD-V: Active", NULL);
} else {
HiiSetString (gFrontPagePrivate.HiiHandle, Token, L"AMD-V: Deactivated", NULL);
}
Token = STRING_TOKEN (STR_IOMMU_STATUS);
//TODO: proper test for AMD IOMMU
BOOLEAN iommu_active = FALSE;
if (iommu_active) {
HiiSetString (gFrontPagePrivate.HiiHandle, Token, L"AMD-Vi: Active", NULL);
} else {
HiiSetString (gFrontPagePrivate.HiiHandle, Token, L"AMD-Vi: Deactivated", NULL);
}
}
Token = STRING_TOKEN (STR_TPM_STATUS);
CHAR8 TableName[4] = {'T', 'P', 'M', '2'};
if (FindAcpiTable(TableName)) {
HiiSetString (gFrontPagePrivate.HiiHandle, Token, L"Trusted Platform Module: Active", NULL);
} else {
HiiSetString (gFrontPagePrivate.HiiHandle, Token, L"Trusted Platform Module: Deactivated", NULL);
}
}
/**
Update the information for the Front Page based on Smbios information.
@ -587,6 +803,8 @@ UpdateFrontPageStrings (
WarnNoBootableMedia ();
FirmwareConfigurationInformation();
Status = EfiGetSystemConfigurationTable (&gEfiSmbiosTableGuid, (VOID **) &Table);
if (EFI_ERROR (Status) || Table == NULL) {
return;
@ -876,6 +1094,8 @@ InitializeUserInterface (
UINTN BootTextColumn;
UINTN BootTextRow;
gSystemTable = SystemTable;
if (!mModeInitialized) {
//
// After the console is ready, get current video resolution
@ -1081,4 +1301,3 @@ SetupResetReminder (
gRT->ResetSystem (EfiResetCold, EFI_SUCCESS, 0, NULL);
}
}

6
MdeModulePkg/Application/UiApp/FrontPageStrings.uni
View File

@ -14,8 +14,14 @@
#string STR_FRONT_PAGE_TITLE #language en-US "Front Page"
#string STR_FRONT_PAGE_COMPUTER_MODEL #language en-US "<model>"
#string STR_FRONT_PAGE_BIOS_VERSION #language en-US "<bios>"
#string STR_FIRMWARE_INFO #language en-US "Firmware Configuration Information"
#string STR_BOOT_DEFAULT_PROMPT #language en-US "Boot Default"
#string STR_BOOT_DEFAULT_HELP #language en-US "Boot the default entry"
#string STR_MISSING_STRING #language en-US "Missing String"
#string STR_NO_BOOTABLE_MEDIA #language en-US ""
#string STR_EMPTY_STRING #language en-US ""
#string STR_VIRTUALIZATION #language en-US ""
#string STR_VIRTUALIZATION_STATUS #language en-US ""
#string STR_IOMMU_STATUS #language en-US ""
#string STR_TPM_STATUS #language en-US ""
#string STR_ME_STATUS #language en-US ""

18
MdeModulePkg/Application/UiApp/FrontPageVfr.Vfr
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@ -10,6 +10,7 @@
#define FORMSET_GUID { 0x9e0c30bc, 0x3f06, 0x4ba6, 0x82, 0x88, 0x9, 0x17, 0x9b, 0x85, 0x5d, 0xbe }
#define FRONT_PAGE_FORM_ID 0x7600
#define FIRMWARE_INFO_FORM_ID 0x7601
#define LABEL_FRONTPAGE_INFORMATION 0x1000
#define LABEL_END 0xffff
@ -34,9 +35,26 @@ formset
//
label LABEL_END;
subtitle text = STRING_TOKEN(STR_EMPTY_STRING);
goto FIRMWARE_INFO_FORM_ID,
prompt = STRING_TOKEN(STR_FIRMWARE_INFO),
help = STRING_TOKEN(STR_EMPTY_STRING);
subtitle text = STRING_TOKEN(STR_EMPTY_STRING);
subtitle text = STRING_TOKEN(STR_NO_BOOTABLE_MEDIA);
endform;
form formid = FIRMWARE_INFO_FORM_ID,
title = STRING_TOKEN(STR_FIRMWARE_INFO);
subtitle text = STRING_TOKEN(STR_VIRTUALIZATION);
subtitle text = STRING_TOKEN(STR_VIRTUALIZATION_STATUS);
subtitle text = STRING_TOKEN(STR_IOMMU_STATUS);
subtitle text = STRING_TOKEN(STR_EMPTY_STRING);
subtitle text = STRING_TOKEN(STR_TPM_STATUS);
subtitle text = STRING_TOKEN(STR_EMPTY_STRING);
subtitle text = STRING_TOKEN(STR_ME_STATUS);
endform;
endformset;

1
MdeModulePkg/Application/UiApp/UiApp.inf
View File

@ -56,6 +56,7 @@
UefiBootManagerLib
[Guids]
gEfiAcpiTableGuid ## CONSUMES ## GUID
gEfiIfrTianoGuid ## CONSUMES ## GUID (Extended IFR Guid Opcode)
gEfiIfrFrontPageGuid ## CONSUMES ## GUID
gEfiSmbiosTableGuid ## CONSUMES

6
MdePkg/Include/Register/Intel/ArchitecturalMsr.h
View File

@ -6378,7 +6378,11 @@ typedef union {
/// [Bit 11] Execute Disable Bit Enable: IA32_EFER.NXE (R/W).
///
UINT32 NXE:1;
UINT32 Reserved3:20;
///
/// [ Bit 12] Secure Virtual Machine Enable (AMD only)
///
UINT32 SVME:1;
UINT32 Reserved3:19;
UINT32 Reserved4:32;
} Bits;
///