diff options
| author | lgao4 <lgao4@6f19259b-4bc3-4df7-8a09-765794883524> | 2013-02-27 02:37:27 +0000 |
|---|---|---|
| committer | lgao4 <lgao4@6f19259b-4bc3-4df7-8a09-765794883524> | 2013-02-27 02:37:27 +0000 |
| commit | e8654a1a1ad6d70f353ea60a78fb92aefa7dfb32 (patch) | |
| tree | 4b32aa680d5c6f955f49debd23b865a885bab81c /MdeModulePkg/Library | |
| parent | 935efc217feb205f3f992101e1320f3f701a1f6f (diff) | |
| download | edk2-platforms-e8654a1a1ad6d70f353ea60a78fb92aefa7dfb32.tar.xz | |
Add new HiiLib API HiiCreateGotoExOpCode() to create UEFI231 IFR REF, REF2, REF3, and REF4 opcode.
Signed-off-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Eric Dong <dong.eric@intel.com>
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14146 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Library')
| -rw-r--r-- | MdeModulePkg/Library/UefiHiiLib/HiiLib.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/MdeModulePkg/Library/UefiHiiLib/HiiLib.c b/MdeModulePkg/Library/UefiHiiLib/HiiLib.c index 0e7ddee35a..9590f8f14a 100644 --- a/MdeModulePkg/Library/UefiHiiLib/HiiLib.c +++ b/MdeModulePkg/Library/UefiHiiLib/HiiLib.c @@ -2859,6 +2859,82 @@ HiiCreateGotoOpCode ( }
/**
+ Create EFI_IFR_REF_OP, EFI_IFR_REF2_OP, EFI_IFR_REF3_OP and EFI_IFR_REF4_OP opcode.
+
+ When RefDevicePath is not zero, EFI_IFR_REF4 opcode will be created.
+ When RefDevicePath is zero and RefFormSetId is not NULL, EFI_IFR_REF3 opcode will be created.
+ When RefDevicePath is zero, RefFormSetId is NULL and RefQuestionId is not zero, EFI_IFR_REF2 opcode will be created.
+ When RefDevicePath is zero, RefFormSetId is NULL and RefQuestionId is zero, EFI_IFR_REF opcode will be created.
+
+ If OpCodeHandle is NULL, then ASSERT().
+ If any reserved bits are set in QuestionFlags, then ASSERT().
+
+ @param[in] OpCodeHandle The handle to the buffer of opcodes.
+ @param[in] RefFormId The Destination Form ID.
+ @param[in] Prompt The string ID for Prompt.
+ @param[in] Help The string ID for Help.
+ @param[in] QuestionFlags The flags in Question Header
+ @param[in] QuestionId Question ID.
+ @param[in] RefQuestionId The question on the form to which this link is referring.
+ If its value is zero, then the link refers to the top of the form.
+ @param[in] RefFormSetId The form set to which this link is referring. If its value is NULL, and RefDevicePath is
+ zero, then the link is to the current form set.
+ @param[in] RefDevicePath The string identifier that specifies the string containing the text representation of
+ the device path to which the form set containing the form specified by FormId.
+ If its value is zero, then the link refers to the current page.
+
+ @retval NULL There is not enough space left in Buffer to add the opcode.
+ @retval Other A pointer to the created opcode.
+
+**/
+UINT8 *
+EFIAPI
+HiiCreateGotoExOpCode (
+ IN VOID *OpCodeHandle,
+ IN EFI_FORM_ID RefFormId,
+ IN EFI_STRING_ID Prompt,
+ IN EFI_STRING_ID Help,
+ IN UINT8 QuestionFlags,
+ IN EFI_QUESTION_ID QuestionId,
+ IN EFI_QUESTION_ID RefQuestionId,
+ IN EFI_GUID *RefFormSetId, OPTIONAL
+ IN EFI_STRING_ID RefDevicePath
+ )
+{
+ EFI_IFR_REF4 OpCode;
+ UINTN OpCodeSize;
+
+ ASSERT ((QuestionFlags & (~(EFI_IFR_FLAG_READ_ONLY | EFI_IFR_FLAG_CALLBACK | EFI_IFR_FLAG_RESET_REQUIRED))) == 0);
+
+ ZeroMem (&OpCode, sizeof (OpCode));
+ OpCode.Question.Header.Prompt = Prompt;
+ OpCode.Question.Header.Help = Help;
+ OpCode.Question.QuestionId = QuestionId;
+ OpCode.Question.Flags = QuestionFlags;
+ OpCode.FormId = RefFormId;
+ OpCode.QuestionId = RefQuestionId;
+ OpCode.DevicePath = RefDevicePath;
+ if (RefFormSetId != NULL) {
+ CopyMem (&OpCode.FormSetId, RefFormSetId, sizeof (OpCode.FormSetId));
+ }
+
+ //
+ // Cacluate OpCodeSize based on the input Ref value.
+ // Try to use the small OpCode to save size.
+ //
+ OpCodeSize = sizeof (EFI_IFR_REF);
+ if (RefDevicePath != 0) {
+ OpCodeSize = sizeof (EFI_IFR_REF4);
+ } else if (RefFormSetId != NULL) {
+ OpCodeSize = sizeof (EFI_IFR_REF3);
+ } else if (RefQuestionId != 0) {
+ OpCodeSize = sizeof (EFI_IFR_REF2);
+ }
+
+ return InternalHiiCreateOpCode (OpCodeHandle, &OpCode, EFI_IFR_REF_OP, OpCodeSize);
+}
+
+/**
Create EFI_IFR_CHECKBOX_OP opcode.
If OpCodeHandle is NULL, then ASSERT().
|