EFI_STATUS
EFIAPI
CapsulePpiNotifyCallback (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,
IN VOID *Ppi
)
{
EFI_STATUS Status;
EFI_BOOT_MODE BootMode;
PEI_CAPSULE_PPI *Capsule;
Status = (*PeiServices)->GetBootMode((const EFI_PEI_SERVICES **)PeiServices, &BootMode);
ASSERT_EFI_ERROR (Status);
if (BootMode == BOOT_ON_S3_RESUME) {
//
// Determine if we're in capsule update mode
//
Status = (*PeiServices)->LocatePpi ((const EFI_PEI_SERVICES **)PeiServices,
&gPeiCapsulePpiGuid,
0,
NULL,
(VOID **)&Capsule
);
if (Status == EFI_SUCCESS) {
if (Capsule->CheckCapsuleUpdate ((EFI_PEI_SERVICES**)PeiServices) == EFI_SUCCESS) {
BootMode = BOOT_ON_FLASH_UPDATE;
Status = (*PeiServices)->SetBootMode((const EFI_PEI_SERVICES **)PeiServices, BootMode);
ASSERT_EFI_ERROR (Status);
}
}
}
return Status;
}
EFI_STATUS
UpdateBootMode (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN OUT EFI_PLATFORM_INFO_HOB *PlatformInfoHob
)
{
EFI_STATUS Status;
EFI_BOOT_MODE BootMode;
UINT16 SleepType;
CHAR16 *strBootMode;
PEI_CAPSULE_PPI *Capsule;
EFI_PEI_READ_ONLY_VARIABLE2_PPI *Variable;
SYSTEM_CONFIGURATION SystemConfiguration;
UINTN VarSize;
volatile UINT32 GpioValue;
BOOLEAN IsFirstBoot;
UINT32 Data32;
Status = (*PeiServices)->GetBootMode(
PeiServices,
&BootMode
);
ASSERT_EFI_ERROR (Status);
if (BootMode == BOOT_IN_RECOVERY_MODE){
return Status;
}
GetWakeupEventAndSaveToHob (PeiServices);
//
// Let's assume things are OK if not told otherwise
//
BootMode = BOOT_WITH_FULL_CONFIGURATION;
//
// When this boot is WDT reset, the system needs booting with CrashDump function eanbled.
//
Data32 = IoRead32 (ACPI_BASE_ADDRESS + R_PCH_TCO_STS);
//
// Check Power Button, click the power button, the system will boot in fast boot mode,
// if it is pressed and hold for a second, it will boot in FullConfiguration/setup mode.
//
GpioValue = MmioRead32 (IO_BASE_ADDRESS + GPIO_SSUS_OFFSET + PMU_PWRBTN_B_OFFSET); // The value of GPIOS_16 (PMU_PWRBTN_B)
if (((GpioValue & BIT0) != 0)&&((Data32 & B_PCH_TCO_STS_SECOND_TO) != B_PCH_TCO_STS_SECOND_TO)){
IsFirstBoot = PcdGetBool(PcdBootState);
if (!IsFirstBoot){
VarSize = sizeof (SYSTEM_CONFIGURATION);
ZeroMem (&SystemConfiguration, sizeof (SYSTEM_CONFIGURATION));
Status = (*PeiServices)->LocatePpi (
PeiServices,
&gEfiPeiReadOnlyVariable2PpiGuid,
0,
NULL,
(void **)&Variable
);
ASSERT_EFI_ERROR (Status);
//
// Use normal setup default from NVRAM variable,
// the Platform Mode (manufacturing/safe/normal) is handle in PeiGetVariable.
//
VarSize = sizeof(SYSTEM_CONFIGURATION);
Status = Variable->GetVariable (
Variable,
L"Setup",
&gEfiSetupVariableGuid,
NULL,
&VarSize,
&SystemConfiguration
);
if (SystemConfiguration.FastBoot == 1) {
BootMode = BOOT_WITH_MINIMAL_CONFIGURATION;
}
}
}
//
// Check if we need to boot in forced recovery mode
//
if (CheckIfRecoveryMode(PeiServices, PlatformInfoHob)) {
BootMode = BOOT_IN_RECOVERY_MODE;
}
if (BootMode == BOOT_IN_RECOVERY_MODE) {
Status = (*PeiServices)->InstallPpi (
PeiServices,
&mPpiListRecoveryBootMode
);
ASSERT_EFI_ERROR (Status);
} else {
if (GetSleepTypeAfterWakeup (PeiServices, &SleepType)) {
switch (SleepType) {
case V_PCH_ACPI_PM1_CNT_S3:
BootMode = BOOT_ON_S3_RESUME;
//
// Determine if we're in capsule update mode
//
Status = (*PeiServices)->LocatePpi (
PeiServices,
&gPeiCapsulePpiGuid,
0,
NULL,
(void **)&Capsule
);
if (Status == EFI_SUCCESS) {
if (Capsule->CheckCapsuleUpdate ((EFI_PEI_SERVICES**)PeiServices) == EFI_SUCCESS) {
BootMode = BOOT_ON_FLASH_UPDATE;
}
}
break;
case V_PCH_ACPI_PM1_CNT_S4:
BootMode = BOOT_ON_S4_RESUME;
break;
case V_PCH_ACPI_PM1_CNT_S5:
BootMode = BOOT_ON_S5_RESUME;
break;
} // switch (SleepType)
}
//
// Check for Safe Mode
//
}
switch (BootMode) {
case BOOT_WITH_FULL_CONFIGURATION:
strBootMode = L"BOOT_WITH_FULL_CONFIGURATION";
break;
case BOOT_WITH_MINIMAL_CONFIGURATION:
strBootMode = L"BOOT_WITH_MINIMAL_CONFIGURATION";
break;
case BOOT_ASSUMING_NO_CONFIGURATION_CHANGES:
strBootMode = L"BOOT_ASSUMING_NO_CONFIGURATION_CHANGES";
break;
case BOOT_WITH_FULL_CONFIGURATION_PLUS_DIAGNOSTICS:
strBootMode = L"BOOT_WITH_FULL_CONFIGURATION_PLUS_DIAGNOSTICS";
break;
case BOOT_WITH_DEFAULT_SETTINGS:
strBootMode = L"BOOT_WITH_DEFAULT_SETTINGS";
break;
case BOOT_ON_S4_RESUME:
strBootMode = L"BOOT_ON_S4_RESUME";
break;
case BOOT_ON_S5_RESUME:
strBootMode = L"BOOT_ON_S5_RESUME";
break;
case BOOT_ON_S2_RESUME:
strBootMode = L"BOOT_ON_S2_RESUME";
break;
case BOOT_ON_S3_RESUME:
strBootMode = L"BOOT_ON_S3_RESUME";
break;
case BOOT_ON_FLASH_UPDATE:
strBootMode = L"BOOT_ON_FLASH_UPDATE";
break;
case BOOT_IN_RECOVERY_MODE:
strBootMode = L"BOOT_IN_RECOVERY_MODE";
break;
default:
strBootMode = L"Unknown boot mode";
} // switch (BootMode)
DEBUG ((EFI_D_ERROR, "Setting BootMode to %s\n", strBootMode));
Status = (*PeiServices)->SetBootMode(
PeiServices,
BootMode
);
ASSERT_EFI_ERROR (Status);
return Status;
}