WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
**/\r
\r
+#include <Library/BaseLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/DevicePathLib.h>\r
#include <Library/HiiLib.h>\r
#include <Library/UefiBootServicesTableLib.h>\r
+#include <Library/UefiHiiServicesLib.h>\r
#include <Protocol/DevicePath.h>\r
#include <Protocol/HiiConfigAccess.h>\r
+#include <Guid/MdeModuleHii.h>\r
+#include <Guid/OvmfPlatformConfig.h>\r
\r
+#include "Platform.h"\r
#include "PlatformConfig.h"\r
\r
//\r
extern UINT8 PlatformFormsBin[];\r
\r
\r
+/**\r
+ This function is called by the HII machinery when it fetches the form state.\r
+\r
+ See the precise documentation in the UEFI spec.\r
+\r
+ @param[in] This The Config Access Protocol instance.\r
+\r
+ @param[in] Request A <ConfigRequest> format UCS-2 string describing the\r
+ query.\r
+\r
+ @param[out] Progress A pointer into Request on output, identifying the query\r
+ element where processing failed.\r
+\r
+ @param[out] Results A <MultiConfigAltResp> format UCS-2 string that has\r
+ all values filled in for the names in the Request\r
+ string.\r
+\r
+ @return Status codes from gHiiConfigRouting->BlockToConfig().\r
+\r
+**/\r
STATIC\r
EFI_STATUS\r
EFIAPI\r
OUT EFI_STRING *Results\r
)\r
{\r
- return EFI_SUCCESS;\r
+ MAIN_FORM_STATE MainFormState;\r
+ EFI_STATUS Status;\r
+\r
+ DEBUG ((EFI_D_VERBOSE, "%a: Request=\"%s\"\n", __FUNCTION__, Request));\r
+\r
+ StrnCpy ((CHAR16 *) MainFormState.CurrentPreferredResolution,\r
+ L"Unset", MAXSIZE_RES_CUR);\r
+ MainFormState.NextPreferredResolution = 0;\r
+ Status = gHiiConfigRouting->BlockToConfig (gHiiConfigRouting, Request,\r
+ (VOID *) &MainFormState, sizeof MainFormState,\r
+ Results, Progress);\r
+ if (EFI_ERROR (Status)) {\r
+ DEBUG ((EFI_D_ERROR, "%a: BlockToConfig(): %r, Progress=\"%s\"\n",\r
+ __FUNCTION__, Status, (Status == EFI_DEVICE_ERROR) ? NULL : *Progress));\r
+ } else {\r
+ DEBUG ((EFI_D_VERBOSE, "%a: Results=\"%s\"\n", __FUNCTION__, *Results));\r
+ }\r
+ return Status;\r
}\r
\r
\r
}\r
\r
\r
+/**\r
+ Create a set of "one-of-many" (ie. "drop down list") option IFR opcodes,\r
+ based on available GOP resolutions, to be placed under a "one-of-many" (ie.\r
+ "drop down list") opcode.\r
+\r
+ @param[in] PackageList The package list with the formset and form for\r
+ which the drop down options are produced. Option\r
+ names are added as new strings to PackageList.\r
+\r
+ @param[out] OpCodeBuffer On output, a dynamically allocated opcode buffer\r
+ with drop down list options corresponding to GOP\r
+ resolutions. The caller is responsible for freeing\r
+ OpCodeBuffer with HiiFreeOpCodeHandle() after use.\r
+\r
+ @retval EFI_SUCESS Opcodes have been successfully produced.\r
+\r
+ @return Status codes from underlying functions. PackageList may\r
+ have been extended with new strings. OpCodeBuffer is\r
+ unchanged.\r
+**/\r
+STATIC\r
+EFI_STATUS\r
+EFIAPI\r
+CreateResolutionOptions (\r
+ IN EFI_HII_HANDLE *PackageList,\r
+ OUT VOID **OpCodeBuffer\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ VOID *OutputBuffer;\r
+ EFI_STRING_ID NewString;\r
+ VOID *OpCode;\r
+\r
+ OutputBuffer = HiiAllocateOpCodeHandle ();\r
+ if (OutputBuffer == NULL) {\r
+ return EFI_OUT_OF_RESOURCES;\r
+ }\r
+\r
+ NewString = HiiSetString (PackageList, 0 /* new string */, L"800x600",\r
+ NULL /* for all languages */);\r
+ if (NewString == 0) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto FreeOutputBuffer;\r
+ }\r
+ OpCode = HiiCreateOneOfOptionOpCode (OutputBuffer, NewString,\r
+ 0 /* Flags */, EFI_IFR_NUMERIC_SIZE_4, 0 /* Value */);\r
+ if (OpCode == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto FreeOutputBuffer;\r
+ }\r
+\r
+ *OpCodeBuffer = OutputBuffer;\r
+ return EFI_SUCCESS;\r
+\r
+FreeOutputBuffer:\r
+ HiiFreeOpCodeHandle (OutputBuffer);\r
+\r
+ return Status;\r
+}\r
+\r
+\r
+/**\r
+ Populate the form identified by the (PackageList, FormSetGuid, FormId)\r
+ triplet.\r
+\r
+ @retval EFI_SUCESS Form successfully updated.\r
+ @return Status codes from underlying functions.\r
+\r
+**/\r
+STATIC\r
+EFI_STATUS\r
+EFIAPI\r
+PopulateForm (\r
+ IN EFI_HII_HANDLE *PackageList,\r
+ IN EFI_GUID *FormSetGuid,\r
+ IN EFI_FORM_ID FormId\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ VOID *OpCodeBuffer;\r
+ VOID *OpCode;\r
+ EFI_IFR_GUID_LABEL *Anchor;\r
+ VOID *OpCodeBuffer2;\r
+\r
+ //\r
+ // 1. Allocate an empty opcode buffer.\r
+ //\r
+ OpCodeBuffer = HiiAllocateOpCodeHandle ();\r
+ if (OpCodeBuffer == NULL) {\r
+ return EFI_OUT_OF_RESOURCES;\r
+ }\r
+\r
+ //\r
+ // 2. Create a label opcode (which is a Tiano extension) inside the buffer.\r
+ // The label's number must match the "anchor" label in the form.\r
+ //\r
+ OpCode = HiiCreateGuidOpCode (OpCodeBuffer, &gEfiIfrTianoGuid,\r
+ NULL /* optional copy origin */, sizeof *Anchor);\r
+ if (OpCode == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto FreeOpCodeBuffer;\r
+ }\r
+ Anchor = OpCode;\r
+ Anchor->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;\r
+ Anchor->Number = LABEL_RES_NEXT;\r
+\r
+ //\r
+ // 3. Create the opcodes inside the buffer that are to be inserted into the\r
+ // form.\r
+ //\r
+ // 3.1. Get a list of resolutions.\r
+ //\r
+ Status = CreateResolutionOptions (PackageList, &OpCodeBuffer2);\r
+ if (EFI_ERROR (Status)) {\r
+ goto FreeOpCodeBuffer;\r
+ }\r
+\r
+ //\r
+ // 3.2. Create a one-of-many question with the above options.\r
+ //\r
+ OpCode = HiiCreateOneOfOpCode (\r
+ OpCodeBuffer, // create opcode inside this\r
+ // opcode buffer,\r
+ QUESTION_RES_NEXT, // ID of question,\r
+ FORMSTATEID_MAIN_FORM, // identifies form state\r
+ // storage,\r
+ (UINT16) OFFSET_OF (MAIN_FORM_STATE, // value of question stored\r
+ NextPreferredResolution), // at this offset,\r
+ STRING_TOKEN (STR_RES_NEXT), // Prompt,\r
+ STRING_TOKEN (STR_RES_NEXT_HELP), // Help,\r
+ 0, // QuestionFlags,\r
+ EFI_IFR_NUMERIC_SIZE_4, // see sizeof\r
+ // NextPreferredResolution,\r
+ OpCodeBuffer2, // buffer with possible\r
+ // choices,\r
+ NULL // DEFAULT opcodes\r
+ );\r
+ if (OpCode == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto FreeOpCodeBuffer2;\r
+ }\r
+\r
+ //\r
+ // 4. Update the form with the opcode buffer.\r
+ //\r
+ Status = HiiUpdateForm (PackageList, FormSetGuid, FormId,\r
+ OpCodeBuffer, // buffer with head anchor, and new contents to be\r
+ // inserted at it\r
+ NULL // buffer with tail anchor, for deleting old\r
+ // contents up to it\r
+ );\r
+\r
+FreeOpCodeBuffer2:\r
+ HiiFreeOpCodeHandle (OpCodeBuffer2);\r
+\r
+FreeOpCodeBuffer:\r
+ HiiFreeOpCodeHandle (OpCodeBuffer);\r
+\r
+ return Status;\r
+}\r
+\r
+\r
/**\r
Load and execute the platform configuration.\r
\r
goto UninstallProtocols;\r
}\r
\r
+ Status = PopulateForm (mInstalledPackages, &gOvmfPlatformConfigGuid,\r
+ FORMID_MAIN_FORM);\r
+ if (EFI_ERROR (Status)) {\r
+ goto RemovePackages;\r
+ }\r
+\r
return EFI_SUCCESS;\r
\r
+RemovePackages:\r
+ HiiRemovePackages (mInstalledPackages);\r
+\r
UninstallProtocols:\r
gBS->UninstallMultipleProtocolInterfaces (ImageHandle,\r
&gEfiDevicePathProtocolGuid, &mPkgDevicePath,\r
projects / mirror_edk2.git / commitdiff