Add 2 new Bds features

[mirror_edk2.git] / IntelFrameworkModulePkg / Library / GenericBdsLib / BdsConsole.c

diff --git a/IntelFrameworkModulePkg/Library/GenericBdsLib/BdsConsole.c b/IntelFrameworkModulePkg/Library/GenericBdsLib/BdsConsole.c
index 1ded13637d3c608e8f613549c8a9665341456d47..280b1697b6421733dccbfa2ee502e4bd741ae47a 100644 (file)
--- a/IntelFrameworkModulePkg/Library/GenericBdsLib/BdsConsole.c
+++ b/IntelFrameworkModulePkg/Library/GenericBdsLib/BdsConsole.c
@@ -561,6 +561,75 @@ BdsLibConnectAllDefaultConsoles (
 \r
 }\r
 \r
+/**\r
+  This function will connect console device except ConIn base on the console\r
+  device variable  ConOut and ErrOut.\r
+\r
+  @retval EFI_SUCCESS              At least one of the ConOut device have\r
+                                   been connected success.\r
+  @retval EFI_STATUS               Return the status of BdsLibConnectConsoleVariable ().\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+BdsLibConnectAllDefaultConsolesWithOutConIn (\r
+  VOID\r
+  )\r
+{\r
+  EFI_STATUS                Status;\r
+  BOOLEAN                   SystemTableUpdated;\r
+\r
+  //\r
+  // Connect all default console variables except ConIn\r
+  //\r
+\r
+  //\r
+  // It seems impossible not to have any ConOut device on platform,\r
+  // so we check the status here.\r
+  //\r
+  Status = BdsLibConnectConsoleVariable (L"ConOut");\r
+  if (EFI_ERROR (Status)) {\r
+    return Status;\r
+  }\r
+\r
+  //\r
+  // Insert the performance probe for Console Out\r
+  //\r
+  PERF_START (NULL, "ConOut", "BDS", 1);\r
+  PERF_END (NULL, "ConOut", "BDS", 0);\r
+\r
+  //\r
+  // The _ModuleEntryPoint err out var is legal.\r
+  //\r
+  BdsLibConnectConsoleVariable (L"ErrOut");\r
+\r
+  SystemTableUpdated = FALSE;\r
+  //\r
+  // Fill console handles in System Table if no console device assignd.\r
+  //\r
+  if (UpdateSystemTableConsole (L"ConOut", &gEfiSimpleTextOutProtocolGuid, &gST->ConsoleOutHandle, (VOID **) &gST->ConOut)) {\r
+    SystemTableUpdated = TRUE;\r
+  }\r
+  if (UpdateSystemTableConsole (L"ErrOut", &gEfiSimpleTextOutProtocolGuid, &gST->StandardErrorHandle, (VOID **) &gST->StdErr)) {\r
+    SystemTableUpdated = TRUE;\r
+  }\r
+\r
+  if (SystemTableUpdated) {\r
+    //\r
+    // Update the CRC32 in the EFI System Table header\r
+    //\r
+    gST->Hdr.CRC32 = 0;\r
+    gBS->CalculateCrc32 (\r
+          (UINT8 *) &gST->Hdr,\r
+          gST->Hdr.HeaderSize,\r
+          &gST->Hdr.CRC32\r
+          );\r
+  }\r
+\r
+  return EFI_SUCCESS;\r
+\r
+}\r
+\r
 /**\r
   Convert a *.BMP graphics image to a GOP blt buffer. If a NULL Blt buffer\r
   is passed in a GopBlt buffer will be allocated by this routine. If a GopBlt\r