diff options
| author | lgao4 <lgao4@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-11-13 07:13:11 +0000 |
|---|---|---|
| committer | lgao4 <lgao4@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-11-13 07:13:11 +0000 |
| commit | 16019c8582b8b44f7106fb2aa604c0a0d56f7356 (patch) | |
| tree | b0abf7204bdfa310f44618c1b0a95eae37e30c97 /MdeModulePkg/Universal/DriverSampleDxe | |
| parent | eccfeab1cac23a27c5b87154765b1713ecb12e22 (diff) | |
| download | edk2-platforms-16019c8582b8b44f7106fb2aa604c0a0d56f7356.tar.xz | |
Add Example for EFI_BROWSER_ACTION_RETRIEVE callback
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9426 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Universal/DriverSampleDxe')
| -rw-r--r-- | MdeModulePkg/Universal/DriverSampleDxe/DriverSample.c | 20 | ||||
| -rw-r--r-- | MdeModulePkg/Universal/DriverSampleDxe/Vfr.vfr | 9 |
2 files changed, 23 insertions, 6 deletions
diff --git a/MdeModulePkg/Universal/DriverSampleDxe/DriverSample.c b/MdeModulePkg/Universal/DriverSampleDxe/DriverSample.c index a3aa2511bc..d40d60d663 100644 --- a/MdeModulePkg/Universal/DriverSampleDxe/DriverSample.c +++ b/MdeModulePkg/Universal/DriverSampleDxe/DriverSample.c @@ -556,6 +556,7 @@ DriverCallback ( EFI_IFR_GUID_LABEL *EndLabel;
EFI_INPUT_KEY Key;
DRIVER_SAMPLE_CONFIGURATION *Configuration;
+ UINTN MyVarSize;
if (Action == EFI_BROWSER_ACTION_FORM_OPEN) {
//
@@ -624,7 +625,6 @@ DriverCallback ( return EFI_INVALID_PARAMETER;
}
-
Status = EFI_SUCCESS;
PrivateData = DRIVER_SAMPLE_PRIVATE_FROM_THIS (This);
@@ -821,12 +821,13 @@ DriverCallback ( // Change an EFI Variable storage (MyEfiVar) asynchronous, this will cause
// the first statement in Form 3 be suppressed
//
+ MyVarSize = 1;
MyVar = 111;
Status = gRT->SetVariable(
L"MyVar",
&mFormSetGuid,
EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,
- 1,
+ MyVarSize,
&MyVar
);
break;
@@ -870,6 +871,21 @@ DriverCallback ( break;
+ case 0x1111:
+ //
+ // EfiVarstore question takes sample action (print value as debug information)
+ // after read/write question.
+ //
+ MyVarSize = 1;
+ Status = gRT->GetVariable(
+ L"MyVar",
+ &mFormSetGuid,
+ NULL,
+ &MyVarSize,
+ &MyVar
+ );
+ ASSERT_EFI_ERROR (Status);
+ DEBUG ((DEBUG_INFO, "EfiVarstore question: Tall value is %d with value width %d\n", MyVar, MyVarSize));
default:
break;
}
diff --git a/MdeModulePkg/Universal/DriverSampleDxe/Vfr.vfr b/MdeModulePkg/Universal/DriverSampleDxe/Vfr.vfr index e8aae2b4d1..d5f906b93c 100644 --- a/MdeModulePkg/Universal/DriverSampleDxe/Vfr.vfr +++ b/MdeModulePkg/Universal/DriverSampleDxe/Vfr.vfr @@ -84,7 +84,7 @@ formset // Define a EFI variable Storage (EFI_IFR_VARSTORE_EFI)
//
efivarstore MyEfiVar, // Define referenced name in vfr
- attribute = EFI_VARIABLE_BOOTSERVICE_ACCESS, // EFI variable attribures
+ attribute = EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_NON_VOLATILE, // EFI variable attribures
name = STRING_TOKEN(STR_VAR_NAME), // EFI variable name
varsize = 1, // Size of the EFI variable
guid = FORMSET_GUID; // EFI variable GUID
@@ -153,9 +153,9 @@ formset oneof varid = MyIfrNVData.BootOrderLarge,
prompt = STRING_TOKEN(STR_ONE_OF_PROMPT),
help = STRING_TOKEN(STR_ONE_OF_HELP),
- default value = cond (questionref(MyOneOf) == 0x0 ? 0 : 1),
+ default value = cond (pushthis == 0 ? 0 : cond ((questionref(MyOneOf) >> 0x4 & 0xF00) == 0x0 + 0x2 ? 0 : 1)),
option text = STRING_TOKEN(STR_BOOT_ORDER1), value = 0x0, flags = 0;
- option text = STRING_TOKEN(STR_BOOT_ORDER2), value = 0x1, flags = DEFAULT;
+ option text = STRING_TOKEN(STR_BOOT_ORDER2), value = 0x1, flags = 0;
endoneof;
grayoutif ideqval MyIfrNVData.SuppressGrayOutSomething == 0x1;
@@ -313,9 +313,10 @@ formset endnumeric;
numeric varid = MyEfiVar, // Reference of EFI variable storage
+ questionid = 0x1111,
prompt = STRING_TOKEN(STR_TALL_HEX_PROMPT),
help = STRING_TOKEN(STR_NUMERIC_HELP1),
- flags = DISPLAY_UINT_HEX, // Display in HEX format (if not specified, default is in decimal format)
+ flags = DISPLAY_UINT_HEX | INTERACTIVE, // Display in HEX format (if not specified, default is in decimal format)
minimum = 0,
maximum = 250,
default = 175,
|