**/\r
\r
#include <Library/BaseLib.h>\r
+#include <Library/BaseMemoryLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/DevicePathLib.h>\r
#include <Library/HiiLib.h>\r
+#include <Library/MemoryAllocationLib.h>\r
+#include <Library/PrintLib.h>\r
#include <Library/UefiBootServicesTableLib.h>\r
#include <Library/UefiHiiServicesLib.h>\r
#include <Protocol/DevicePath.h>\r
+#include <Protocol/GraphicsOutput.h>\r
#include <Protocol/HiiConfigAccess.h>\r
#include <Guid/MdeModuleHii.h>\r
#include <Guid/OvmfPlatformConfig.h>\r
extern UINT8 PlatformDxeStrings[];\r
extern UINT8 PlatformFormsBin[];\r
\r
+//\r
+// We want to be notified about GOP installations until we find one GOP\r
+// interface that lets us populate the form.\r
+//\r
+STATIC EFI_EVENT mGopEvent;\r
+\r
+//\r
+// The registration record underneath this pointer allows us to iterate through\r
+// the GOP instances one by one.\r
+//\r
+STATIC VOID *mGopTracker;\r
+\r
+//\r
+// Cache the resolutions we get from the GOP.\r
+//\r
+typedef struct {\r
+ UINT32 X;\r
+ UINT32 Y;\r
+} GOP_MODE;\r
+\r
+STATIC UINTN mNumGopModes;\r
+STATIC GOP_MODE *mGopModes;\r
+\r
+\r
+/**\r
+ Load the persistent platform configuration and translate it to binary form\r
+ state.\r
+\r
+ If the platform configuration is missing, then the function fills in a\r
+ default state.\r
+\r
+ @param[out] MainFormState Binary form/widget state after translation.\r
+\r
+ @retval EFI_SUCCESS Form/widget state ready.\r
+ @return Error codes from underlying functions.\r
+**/\r
+STATIC\r
+EFI_STATUS\r
+EFIAPI\r
+PlatformConfigToFormState (\r
+ OUT MAIN_FORM_STATE *MainFormState\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ PLATFORM_CONFIG PlatformConfig;\r
+ UINT64 OptionalElements;\r
+ UINTN ModeNumber;\r
+\r
+ ZeroMem (MainFormState, sizeof *MainFormState);\r
+\r
+ Status = PlatformConfigLoad (&PlatformConfig, &OptionalElements);\r
+ switch (Status) {\r
+ case EFI_SUCCESS:\r
+ if (OptionalElements & PLATFORM_CONFIG_F_GRAPHICS_RESOLUTION) {\r
+ //\r
+ // Format the preferred resolution as text.\r
+ //\r
+ UnicodeSPrintAsciiFormat (\r
+ (CHAR16 *) MainFormState->CurrentPreferredResolution,\r
+ sizeof MainFormState->CurrentPreferredResolution,\r
+ "%Ldx%Ld",\r
+ (INT64) PlatformConfig.HorizontalResolution,\r
+ (INT64) PlatformConfig.VerticalResolution);\r
+\r
+ //\r
+ // Try to locate it in the drop-down list too. This may not succeed, but\r
+ // that's fine.\r
+ //\r
+ for (ModeNumber = 0; ModeNumber < mNumGopModes; ++ModeNumber) {\r
+ if (mGopModes[ModeNumber].X == PlatformConfig.HorizontalResolution &&\r
+ mGopModes[ModeNumber].Y == PlatformConfig.VerticalResolution) {\r
+ MainFormState->NextPreferredResolution = (UINT32) ModeNumber;\r
+ break;\r
+ }\r
+ }\r
+\r
+ break;\r
+ }\r
+ //\r
+ // fall through otherwise\r
+ //\r
+\r
+ case EFI_NOT_FOUND:\r
+ UnicodeSPrintAsciiFormat (\r
+ (CHAR16 *) MainFormState->CurrentPreferredResolution,\r
+ sizeof MainFormState->CurrentPreferredResolution,\r
+ "Unset");\r
+ break;\r
+\r
+ default:\r
+ return Status;\r
+ }\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
\r
/**\r
This function is called by the HII machinery when it fetches the form state.\r
all values filled in for the names in the Request\r
string.\r
\r
- @return Status codes from gHiiConfigRouting->BlockToConfig().\r
+ @retval EFI_SUCCESS Extraction of form state in <MultiConfigAltResp>\r
+ encoding successful.\r
+ @return Status codes from underlying functions.\r
\r
**/\r
STATIC\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 = PlatformConfigToFormState (&MainFormState);\r
+ if (EFI_ERROR (Status)) {\r
+ *Progress = Request;\r
+ return Status;\r
+ }\r
+\r
+ //\r
+ // Answer the textual request keying off the binary form state.\r
+ //\r
Status = gHiiConfigRouting->BlockToConfig (gHiiConfigRouting, Request,\r
(VOID *) &MainFormState, sizeof MainFormState,\r
Results, Progress);\r
}\r
\r
\r
+/**\r
+ Interpret the binary form state and save it as persistent platform\r
+ configuration.\r
+\r
+ @param[in] MainFormState Binary form/widget state to verify and save.\r
+\r
+ @retval EFI_SUCCESS Platform configuration saved.\r
+ @return Error codes from underlying functions.\r
+**/\r
+STATIC\r
+EFI_STATUS\r
+EFIAPI\r
+FormStateToPlatformConfig (\r
+ IN CONST MAIN_FORM_STATE *MainFormState\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ PLATFORM_CONFIG PlatformConfig;\r
+ CONST GOP_MODE *GopMode;\r
+\r
+ //\r
+ // There's nothing to do with the textual CurrentPreferredResolution field.\r
+ // We verify and translate the selection in the drop-down list.\r
+ //\r
+ if (MainFormState->NextPreferredResolution >= mNumGopModes) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ GopMode = mGopModes + MainFormState->NextPreferredResolution;\r
+\r
+ ZeroMem (&PlatformConfig, sizeof PlatformConfig);\r
+ PlatformConfig.HorizontalResolution = GopMode->X;\r
+ PlatformConfig.VerticalResolution = GopMode->Y;\r
+\r
+ Status = PlatformConfigSave (&PlatformConfig);\r
+ return Status;\r
+}\r
+\r
+\r
+/**\r
+ This function is called by the HII machinery when it wants the driver to\r
+ interpret and persist 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] Configuration A <ConfigResp> format UCS-2 string describing the\r
+ form state.\r
+\r
+ @param[out] Progress A pointer into Configuration on output,\r
+ identifying the element where processing failed.\r
+\r
+ @retval EFI_SUCCESS Configuration verified, state permanent.\r
+\r
+ @return Status codes from underlying functions.\r
+**/\r
STATIC\r
EFI_STATUS\r
EFIAPI\r
OUT EFI_STRING *Progress\r
)\r
{\r
- return EFI_SUCCESS;\r
+ MAIN_FORM_STATE MainFormState;\r
+ UINTN BlockSize;\r
+ EFI_STATUS Status;\r
+\r
+ DEBUG ((EFI_D_VERBOSE, "%a: Configuration=\"%s\"\n", __FUNCTION__,\r
+ Configuration));\r
+\r
+ //\r
+ // the "read" step in RMW\r
+ //\r
+ Status = PlatformConfigToFormState (&MainFormState);\r
+ if (EFI_ERROR (Status)) {\r
+ *Progress = Configuration;\r
+ return Status;\r
+ }\r
+\r
+ //\r
+ // the "modify" step in RMW\r
+ //\r
+ // (Update the binary form state. This update may be partial, which is why in\r
+ // general we must pre-load the form state from the platform config.)\r
+ //\r
+ BlockSize = sizeof MainFormState;\r
+ Status = gHiiConfigRouting->ConfigToBlock (gHiiConfigRouting, Configuration,\r
+ (VOID *) &MainFormState, &BlockSize, Progress);\r
+ if (EFI_ERROR (Status)) {\r
+ DEBUG ((EFI_D_ERROR, "%a: ConfigToBlock(): %r, Progress=\"%s\"\n",\r
+ __FUNCTION__, Status,\r
+ (Status == EFI_BUFFER_TOO_SMALL) ? NULL : *Progress));\r
+ return Status;\r
+ }\r
+\r
+ //\r
+ // the "write" step in RMW\r
+ //\r
+ Status = FormStateToPlatformConfig (&MainFormState);\r
+ if (EFI_ERROR (Status)) {\r
+ *Progress = Configuration;\r
+ }\r
+ return Status;\r
}\r
\r
\r
OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest\r
)\r
{\r
+ DEBUG ((EFI_D_VERBOSE, "%a: Action=0x%Lx QuestionId=%d Type=%d\n",\r
+ __FUNCTION__, (UINT64) Action, QuestionId, Type));\r
+\r
+ if (Action != EFI_BROWSER_ACTION_CHANGED) {\r
+ return EFI_UNSUPPORTED;\r
+ }\r
+\r
+ switch (QuestionId) {\r
+ case QUESTION_SAVE_EXIT:\r
+ *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_SUBMIT_EXIT;\r
+ break;\r
+\r
+ case QUESTION_DISCARD_EXIT:\r
+ *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_DISCARD_EXIT;\r
+ break;\r
+\r
+ default:\r
+ break;\r
+ }\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+\r
+/**\r
+ Query and save all resolutions supported by the GOP.\r
+\r
+ @param[in] Gop The Graphics Output Protocol instance to query.\r
+\r
+ @param[out] NumGopModes The number of modes supported by the GOP. On output,\r
+ this parameter will be positive.\r
+\r
+ @param[out] GopModes On output, a dynamically allocated array containing\r
+ the resolutions returned by the GOP. The caller is\r
+ responsible for freeing the array after use.\r
+\r
+ @retval EFI_UNSUPPORTED No modes found.\r
+ @retval EFI_OUT_OF_RESOURCES Failed to allocate GopModes.\r
+ @return Error codes from Gop->QueryMode().\r
+\r
+**/\r
+STATIC\r
+EFI_STATUS\r
+EFIAPI\r
+QueryGopModes (\r
+ IN EFI_GRAPHICS_OUTPUT_PROTOCOL *Gop,\r
+ OUT UINTN *NumGopModes,\r
+ OUT GOP_MODE **GopModes\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ UINT32 ModeNumber;\r
+\r
+ if (Gop->Mode->MaxMode == 0) {\r
+ return EFI_UNSUPPORTED;\r
+ }\r
+ *NumGopModes = Gop->Mode->MaxMode;\r
+\r
+ *GopModes = AllocatePool (Gop->Mode->MaxMode * sizeof **GopModes);\r
+ if (*GopModes == NULL) {\r
+ return EFI_OUT_OF_RESOURCES;\r
+ }\r
+\r
+ for (ModeNumber = 0; ModeNumber < Gop->Mode->MaxMode; ++ModeNumber) {\r
+ EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info;\r
+ UINTN SizeOfInfo;\r
+\r
+ Status = Gop->QueryMode (Gop, ModeNumber, &SizeOfInfo, &Info);\r
+ if (EFI_ERROR (Status)) {\r
+ goto FreeGopModes;\r
+ }\r
+\r
+ (*GopModes)[ModeNumber].X = Info->HorizontalResolution;\r
+ (*GopModes)[ModeNumber].Y = Info->VerticalResolution;\r
+ FreePool (Info);\r
+ }\r
+\r
return EFI_SUCCESS;\r
+\r
+FreeGopModes:\r
+ FreePool (*GopModes);\r
+\r
+ return Status;\r
}\r
\r
\r
resolutions. The caller is responsible for freeing\r
OpCodeBuffer with HiiFreeOpCodeHandle() after use.\r
\r
+ @param[in] NumGopModes Number of entries in GopModes.\r
+\r
+ @param[in] GopModes Array of resolutions retrieved from the GOP.\r
+\r
@retval EFI_SUCESS Opcodes have been successfully produced.\r
\r
@return Status codes from underlying functions. PackageList may\r
EFIAPI\r
CreateResolutionOptions (\r
IN EFI_HII_HANDLE *PackageList,\r
- OUT VOID **OpCodeBuffer\r
+ OUT VOID **OpCodeBuffer,\r
+ IN UINTN NumGopModes,\r
+ IN GOP_MODE *GopModes\r
)\r
{\r
- EFI_STATUS Status;\r
- VOID *OutputBuffer;\r
- EFI_STRING_ID NewString;\r
- VOID *OpCode;\r
+ EFI_STATUS Status;\r
+ VOID *OutputBuffer;\r
+ UINTN ModeNumber;\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
+ for (ModeNumber = 0; ModeNumber < NumGopModes; ++ModeNumber) {\r
+ CHAR16 Desc[MAXSIZE_RES_CUR];\r
+ EFI_STRING_ID NewString;\r
+ VOID *OpCode;\r
+\r
+ UnicodeSPrintAsciiFormat (Desc, sizeof Desc, "%Ldx%Ld",\r
+ (INT64) GopModes[ModeNumber].X, (INT64) GopModes[ModeNumber].Y);\r
+ NewString = HiiSetString (PackageList, 0 /* new string */, Desc,\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, ModeNumber);\r
+ if (OpCode == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto FreeOutputBuffer;\r
+ }\r
}\r
\r
*OpCodeBuffer = OutputBuffer;\r
Populate the form identified by the (PackageList, FormSetGuid, FormId)\r
triplet.\r
\r
+ The drop down list of video resolutions is generated from (NumGopModes,\r
+ GopModes).\r
+\r
@retval EFI_SUCESS Form successfully updated.\r
@return Status codes from underlying functions.\r
\r
PopulateForm (\r
IN EFI_HII_HANDLE *PackageList,\r
IN EFI_GUID *FormSetGuid,\r
- IN EFI_FORM_ID FormId\r
+ IN EFI_FORM_ID FormId,\r
+ IN UINTN NumGopModes,\r
+ IN GOP_MODE *GopModes\r
)\r
{\r
EFI_STATUS Status;\r
//\r
// 3.1. Get a list of resolutions.\r
//\r
- Status = CreateResolutionOptions (PackageList, &OpCodeBuffer2);\r
+ Status = CreateResolutionOptions (PackageList, &OpCodeBuffer2,\r
+ NumGopModes, GopModes);\r
if (EFI_ERROR (Status)) {\r
goto FreeOpCodeBuffer;\r
}\r
EFI_STATUS Status;\r
PLATFORM_CONFIG PlatformConfig;\r
UINT64 OptionalElements;\r
+ RETURN_STATUS PcdStatus;\r
\r
Status = PlatformConfigLoad (&PlatformConfig, &OptionalElements);\r
if (EFI_ERROR (Status)) {\r
//\r
// Pass the preferred resolution to GraphicsConsoleDxe via dynamic PCDs.\r
//\r
- PcdSet32 (PcdVideoHorizontalResolution,\r
+ PcdStatus = PcdSet32S (PcdVideoHorizontalResolution,\r
PlatformConfig.HorizontalResolution);\r
- PcdSet32 (PcdVideoVerticalResolution,\r
+ ASSERT_RETURN_ERROR (PcdStatus);\r
+\r
+ PcdStatus = PcdSet32S (PcdVideoVerticalResolution,\r
PlatformConfig.VerticalResolution);\r
+ ASSERT_RETURN_ERROR (PcdStatus);\r
}\r
\r
return EFI_SUCCESS;\r
}\r
\r
\r
+/**\r
+ Notification callback for GOP interface installation.\r
+\r
+ @param[in] Event Event whose notification function is being invoked.\r
+\r
+ @param[in] Context The pointer to the notification function's context, which\r
+ is implementation-dependent.\r
+**/\r
+STATIC\r
+VOID\r
+EFIAPI\r
+GopInstalled (\r
+ IN EFI_EVENT Event,\r
+ IN VOID *Context\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_GRAPHICS_OUTPUT_PROTOCOL *Gop;\r
+\r
+ ASSERT (Event == mGopEvent);\r
+\r
+ //\r
+ // Check further GOPs.\r
+ //\r
+ for (;;) {\r
+ mNumGopModes = 0;\r
+ mGopModes = NULL;\r
+\r
+ Status = gBS->LocateProtocol (&gEfiGraphicsOutputProtocolGuid, mGopTracker,\r
+ (VOID **) &Gop);\r
+ if (EFI_ERROR (Status)) {\r
+ return;\r
+ }\r
+\r
+ Status = QueryGopModes (Gop, &mNumGopModes, &mGopModes);\r
+ if (EFI_ERROR (Status)) {\r
+ continue;\r
+ }\r
+\r
+ Status = PopulateForm (mInstalledPackages, &gOvmfPlatformConfigGuid,\r
+ FORMID_MAIN_FORM, mNumGopModes, mGopModes);\r
+ if (EFI_ERROR (Status)) {\r
+ FreePool (mGopModes);\r
+ continue;\r
+ }\r
+\r
+ break;\r
+ }\r
+\r
+ //\r
+ // Success -- so uninstall this callback. Closing the event removes all\r
+ // pending notifications and all protocol registrations.\r
+ //\r
+ Status = gBS->CloseEvent (mGopEvent);\r
+ ASSERT_EFI_ERROR (Status);\r
+ mGopEvent = NULL;\r
+ mGopTracker = NULL;\r
+}\r
+\r
+\r
/**\r
Entry point for this driver.\r
\r
goto UninstallProtocols;\r
}\r
\r
- Status = PopulateForm (mInstalledPackages, &gOvmfPlatformConfigGuid,\r
- FORMID_MAIN_FORM);\r
+ Status = gBS->CreateEvent (EVT_NOTIFY_SIGNAL, TPL_CALLBACK, &GopInstalled,\r
+ NULL /* Context */, &mGopEvent);\r
if (EFI_ERROR (Status)) {\r
goto RemovePackages;\r
}\r
\r
+ Status = gBS->RegisterProtocolNotify (&gEfiGraphicsOutputProtocolGuid,\r
+ mGopEvent, &mGopTracker);\r
+ if (EFI_ERROR (Status)) {\r
+ goto CloseGopEvent;\r
+ }\r
+\r
+ //\r
+ // Check already installed GOPs.\r
+ //\r
+ Status = gBS->SignalEvent (mGopEvent);\r
+ ASSERT_EFI_ERROR (Status);\r
+\r
return EFI_SUCCESS;\r
\r
+CloseGopEvent:\r
+ gBS->CloseEvent (mGopEvent);\r
+\r
RemovePackages:\r
HiiRemovePackages (mInstalledPackages);\r
\r
IN EFI_HANDLE ImageHandle\r
)\r
{\r
+ if (mGopEvent == NULL) {\r
+ //\r
+ // The GOP callback ran successfully and unregistered itself. Release the\r
+ // resources allocated there.\r
+ //\r
+ ASSERT (mGopModes != NULL);\r
+ FreePool (mGopModes);\r
+ } else {\r
+ //\r
+ // Otherwise we need to unregister the callback.\r
+ //\r
+ ASSERT (mGopModes == NULL);\r
+ gBS->CloseEvent (mGopEvent);\r
+ }\r
+\r
+ //\r
+ // Release resources allocated by the entry point.\r
+ //\r
HiiRemovePackages (mInstalledPackages);\r
gBS->UninstallMultipleProtocolInterfaces (ImageHandle,\r
&gEfiDevicePathProtocolGuid, &mPkgDevicePath,\r
projects / mirror_edk2.git / blobdiff