/**
This function will connect console device except ConIn base on the console
device variable ConOut and ErrOut.
@retval EFI_SUCCESS At least one of the ConOut device have
been connected success.
@retval EFI_STATUS Return the status of BdsLibConnectConsoleVariable ().
**/
EFI_STATUS
EFIAPI
BdsLibConnectAllDefaultConsolesWithOutConIn (
VOID
)
{
EFI_STATUS Status;
BOOLEAN SystemTableUpdated;
//
// Connect all default console variables except ConIn
//
//
// It seems impossible not to have any ConOut device on platform,
// so we check the status here.
//
Status = BdsLibConnectConsoleVariable (L"ConOut");
if (EFI_ERROR (Status)) {
return Status;
}
//
// Insert the performance probe for Console Out
//
PERF_START (NULL, "ConOut", "BDS", 1);
PERF_END (NULL, "ConOut", "BDS", 0);
//
// The _ModuleEntryPoint err out var is legal.
//
BdsLibConnectConsoleVariable (L"ErrOut");
SystemTableUpdated = FALSE;
//
// Fill console handles in System Table if no console device assignd.
//
if (UpdateSystemTableConsole (L"ConOut", &gEfiSimpleTextOutProtocolGuid, &gST->ConsoleOutHandle, (VOID **) &gST->ConOut)) {
SystemTableUpdated = TRUE;
}
if (UpdateSystemTableConsole (L"ErrOut", &gEfiSimpleTextOutProtocolGuid, &gST->StandardErrorHandle, (VOID **) &gST->StdErr)) {
SystemTableUpdated = TRUE;
}
if (SystemTableUpdated) {
//
// Update the CRC32 in the EFI System Table header
//
gST->Hdr.CRC32 = 0;
gBS->CalculateCrc32 (
(UINT8 *) &gST->Hdr,
gST->Hdr.HeaderSize,
&gST->Hdr.CRC32
);
}
return EFI_SUCCESS;
}
/**
This function will connect all the console devices base on the console
device variable ConIn, ConOut and ErrOut.
**/
VOID
EFIAPI
EfiBootManagerConnectAllDefaultConsoles (
VOID
)
{
BOOLEAN SystemTableUpdated;
EfiBootManagerConnectConsoleVariable (ConOut, TRUE);
PERF_START (NULL, "ConOutReady", "BDS", 1);
PERF_END (NULL, "ConOutReady", "BDS", 0);
EfiBootManagerConnectConsoleVariable (ConIn, TRUE);
PERF_START (NULL, "ConInReady", "BDS", 1);
PERF_END (NULL, "ConInReady", "BDS", 0);
//
// The _ModuleEntryPoint err out var is legal.
//
EfiBootManagerConnectConsoleVariable (ErrOut, TRUE);
PERF_START (NULL, "ErrOutReady", "BDS", 1);
PERF_END (NULL, "ErrOutReady", "BDS", 0);
SystemTableUpdated = FALSE;
//
// Fill console handles in System Table if no console device assignd.
//
if (UpdateSystemTableConsole (L"ConIn", &gEfiSimpleTextInProtocolGuid, &gST->ConsoleInHandle, (VOID **) &gST->ConIn)) {
SystemTableUpdated = TRUE;
}
if (UpdateSystemTableConsole (L"ConOut", &gEfiSimpleTextOutProtocolGuid, &gST->ConsoleOutHandle, (VOID **) &gST->ConOut)) {
SystemTableUpdated = TRUE;
}
if (UpdateSystemTableConsole (L"ErrOut", &gEfiSimpleTextOutProtocolGuid, &gST->StandardErrorHandle, (VOID **) &gST->StdErr)) {
SystemTableUpdated = TRUE;
}
if (SystemTableUpdated) {
//
// Update the CRC32 in the EFI System Table header
//
gST->Hdr.CRC32 = 0;
gBS->CalculateCrc32 (
(UINT8 *) &gST->Hdr,
gST->Hdr.HeaderSize,
&gST->Hdr.CRC32
);
}
}
/**
This function will connect console device base on the console
device variable ConIn, ConOut and ErrOut.
@retval EFI_SUCCESS At least one of the ConIn and ConOut device have
been connected success.
@retval EFI_STATUS Return the status of BdsLibConnectConsoleVariable ().
**/
EFI_STATUS
EFIAPI
BdsLibConnectAllDefaultConsoles (
VOID
)
{
EFI_STATUS Status;
BOOLEAN SystemTableUpdated;
//
// Connect all default console variables
//
//
// It seems impossible not to have any ConOut device on platform,
// so we check the status here.
//
Status = BdsLibConnectConsoleVariable (L"ConOut");
if (EFI_ERROR (Status)) {
return Status;
}
//
// Insert the performance probe for Console Out
//
PERF_START (NULL, "ConOut", "BDS", 1);
PERF_END (NULL, "ConOut", "BDS", 0);
//
// Because possibly the platform is legacy free, in such case,
// ConIn devices (Serial Port and PS2 Keyboard ) does not exist,
// so we need not check the status.
//
BdsLibConnectConsoleVariable (L"ConIn");
//
// The _ModuleEntryPoint err out var is legal.
//
BdsLibConnectConsoleVariable (L"ErrOut");
SystemTableUpdated = FALSE;
//
// Fill console handles in System Table if no console device assignd.
//
if (UpdateSystemTableConsole (L"ConIn", &gEfiSimpleTextInProtocolGuid, &gST->ConsoleInHandle, (VOID **) &gST->ConIn)) {
SystemTableUpdated = TRUE;
}
if (UpdateSystemTableConsole (L"ConOut", &gEfiSimpleTextOutProtocolGuid, &gST->ConsoleOutHandle, (VOID **) &gST->ConOut)) {
SystemTableUpdated = TRUE;
}
if (UpdateSystemTableConsole (L"ErrOut", &gEfiSimpleTextOutProtocolGuid, &gST->StandardErrorHandle, (VOID **) &gST->StdErr)) {
SystemTableUpdated = TRUE;
}
if (SystemTableUpdated) {
//
// Update the CRC32 in the EFI System Table header
//
gST->Hdr.CRC32 = 0;
gBS->CalculateCrc32 (
(UINT8 *) &gST->Hdr,
gST->Hdr.HeaderSize,
&gST->Hdr.CRC32
);
}
//
// If any component set PcdTestKeyUsed to TRUE because use of a test key
// was detected, then display a warning message on the debug log and the console
//
if (PcdGetBool (PcdTestKeyUsed) == TRUE) {
DEBUG ((DEBUG_ERROR, "**********************************\n"));
DEBUG ((DEBUG_ERROR, "** WARNING: Test Key is used. **\n"));
DEBUG ((DEBUG_ERROR, "**********************************\n"));
Print (L"** WARNING: Test Key is used. **\n");
}
return EFI_SUCCESS;
}
