diff options
| author | czhang46 <czhang46@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-07-30 05:56:33 +0000 |
|---|---|---|
| committer | czhang46 <czhang46@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-07-30 05:56:33 +0000 |
| commit | 18cf3950226cb7e279f19978ea441ce6639f7bb3 (patch) | |
| tree | 4490be02bb9f7d056e421dfbeb917ad73873be1c /IntelFrameworkModulePkg/Library | |
| parent | 402e4a9d777677296945afa020194bf4123885e2 (diff) | |
| download | edk2-platforms-18cf3950226cb7e279f19978ea441ce6639f7bb3.tar.xz | |
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
Diffstat (limited to 'IntelFrameworkModulePkg/Library')
| -rw-r--r-- | IntelFrameworkModulePkg/Library/GenericBdsLib/BdsConsole.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/IntelFrameworkModulePkg/Library/GenericBdsLib/BdsConsole.c b/IntelFrameworkModulePkg/Library/GenericBdsLib/BdsConsole.c index 1ded13637d..280b1697b6 100644 --- a/IntelFrameworkModulePkg/Library/GenericBdsLib/BdsConsole.c +++ b/IntelFrameworkModulePkg/Library/GenericBdsLib/BdsConsole.c @@ -562,6 +562,75 @@ BdsLibConnectAllDefaultConsoles ( }
/**
+ 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;
+
+}
+
+/**
Convert a *.BMP graphics image to a GOP blt buffer. If a NULL Blt buffer
is passed in a GopBlt buffer will be allocated by this routine. If a GopBlt
buffer is passed in it will be used if it is big enough.
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