Add 2 new Bds features
1. Lazy ConIn 2. OsIndicationsSupported & OsIndications Signed-off-by: Chao Zhang<chao.b.zhang@intel.com> Reviewed-by: Hot Tian<Hot.Tian@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13566 6f19259b-4bc3-4df7-8a09-765794883524
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@@ -561,6 +561,75 @@ BdsLibConnectAllDefaultConsoles (
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}
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/**
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This function will connect console device except ConIn base on the console
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device variable ConOut and ErrOut.
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@retval EFI_SUCCESS At least one of the ConOut device have
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been connected success.
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@retval EFI_STATUS Return the status of BdsLibConnectConsoleVariable ().
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**/
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EFI_STATUS
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EFIAPI
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BdsLibConnectAllDefaultConsolesWithOutConIn (
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VOID
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)
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{
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EFI_STATUS Status;
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BOOLEAN SystemTableUpdated;
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//
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// Connect all default console variables except ConIn
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//
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//
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// It seems impossible not to have any ConOut device on platform,
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// so we check the status here.
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//
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Status = BdsLibConnectConsoleVariable (L"ConOut");
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if (EFI_ERROR (Status)) {
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return Status;
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}
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//
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// Insert the performance probe for Console Out
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//
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PERF_START (NULL, "ConOut", "BDS", 1);
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PERF_END (NULL, "ConOut", "BDS", 0);
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//
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// The _ModuleEntryPoint err out var is legal.
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//
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BdsLibConnectConsoleVariable (L"ErrOut");
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SystemTableUpdated = FALSE;
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//
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// Fill console handles in System Table if no console device assignd.
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//
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if (UpdateSystemTableConsole (L"ConOut", &gEfiSimpleTextOutProtocolGuid, &gST->ConsoleOutHandle, (VOID **) &gST->ConOut)) {
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SystemTableUpdated = TRUE;
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}
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if (UpdateSystemTableConsole (L"ErrOut", &gEfiSimpleTextOutProtocolGuid, &gST->StandardErrorHandle, (VOID **) &gST->StdErr)) {
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SystemTableUpdated = TRUE;
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}
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if (SystemTableUpdated) {
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//
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// Update the CRC32 in the EFI System Table header
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//
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gST->Hdr.CRC32 = 0;
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gBS->CalculateCrc32 (
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(UINT8 *) &gST->Hdr,
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gST->Hdr.HeaderSize,
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&gST->Hdr.CRC32
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);
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}
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return EFI_SUCCESS;
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}
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/**
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Convert a *.BMP graphics image to a GOP blt buffer. If a NULL Blt buffer
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is passed in a GopBlt buffer will be allocated by this routine. If a GopBlt
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