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Add unload function for DriverSample 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8052 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
lgao4 2009-04-09 15:22:27 +00:00
parent 9a6dcbf302
commit 2f3065c0fb
2 changed files with 68 additions and 38 deletions
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105
MdeModulePkg/Universal/DriverSampleDxe/DriverSample.c
View File

@ -16,14 +16,17 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include "DriverSample.h" #include "DriverSample.h"
#define DISPLAY_ONLY_MY_ITEM 0x0002 #define DISPLAY_ONLY_MY_ITEM 0x0000
EFI_GUID mFormSetGuid = FORMSET_GUID; EFI_GUID mFormSetGuid = FORMSET_GUID;
EFI_GUID mInventoryGuid = INVENTORY_GUID; EFI_GUID mInventoryGuid = INVENTORY_GUID;
CHAR16 VariableName[] = L"MyIfrNVData"; CHAR16 VariableName[] = L"MyIfrNVData";
HII_VENDOR_DEVICE_PATH mHiiVendorDevicePath1 = { EFI_HANDLE DriverHandle[2] = {NULL, NULL};
DRIVER_SAMPLE_PRIVATE_DATA *PrivateData = NULL;
HII_VENDOR_DEVICE_PATH mHiiVendorDevicePath0 = {
{ {
{ {
HARDWARE_DEVICE_PATH, HARDWARE_DEVICE_PATH,
@ -48,7 +51,7 @@ HII_VENDOR_DEVICE_PATH mHiiVendorDevicePath1 = {
} }
}; };
HII_VENDOR_DEVICE_PATH mHiiVendorDevicePath2 = { HII_VENDOR_DEVICE_PATH mHiiVendorDevicePath1 = {
{ {
{ {
HARDWARE_DEVICE_PATH, HARDWARE_DEVICE_PATH,
@ -739,8 +742,6 @@ DriverSampleInit (
EFI_STATUS SavedStatus; EFI_STATUS SavedStatus;
EFI_HII_PACKAGE_LIST_HEADER *PackageList; EFI_HII_PACKAGE_LIST_HEADER *PackageList;
EFI_HII_HANDLE HiiHandle[2]; EFI_HII_HANDLE HiiHandle[2];
EFI_HANDLE DriverHandle[2] = {NULL, NULL};
DRIVER_SAMPLE_PRIVATE_DATA *PrivateData;
EFI_SCREEN_DESCRIPTOR Screen; EFI_SCREEN_DESCRIPTOR Screen;
EFI_HII_DATABASE_PROTOCOL *HiiDatabase; EFI_HII_DATABASE_PROTOCOL *HiiDatabase;
EFI_HII_STRING_PROTOCOL *HiiString; EFI_HII_STRING_PROTOCOL *HiiString;
@ -819,7 +820,7 @@ DriverSampleInit (
Status = gBS->InstallMultipleProtocolInterfaces ( Status = gBS->InstallMultipleProtocolInterfaces (
&DriverHandle[0], &DriverHandle[0],
&gEfiDevicePathProtocolGuid, &gEfiDevicePathProtocolGuid,
&mHiiVendorDevicePath1, &mHiiVendorDevicePath0,
&gEfiHiiConfigAccessProtocolGuid, &gEfiHiiConfigAccessProtocolGuid,
&PrivateData->ConfigAccess, &PrivateData->ConfigAccess,
NULL NULL
@ -859,7 +860,7 @@ DriverSampleInit (
Status = gBS->InstallMultipleProtocolInterfaces ( Status = gBS->InstallMultipleProtocolInterfaces (
&DriverHandle[1], &DriverHandle[1],
&gEfiDevicePathProtocolGuid, &gEfiDevicePathProtocolGuid,
&mHiiVendorDevicePath2, &mHiiVendorDevicePath1,
NULL NULL
); );
ASSERT_EFI_ERROR (Status); ASSERT_EFI_ERROR (Status);
@ -937,40 +938,68 @@ DriverSampleInit (
// //
// Example of how to display only the item we sent to HII // Example of how to display only the item we sent to HII
// //
if (DISPLAY_ONLY_MY_ITEM == 0x0001) { //
// // Have the browser pull out our copy of the data, and only display our data
// Have the browser pull out our copy of the data, and only display our data //
// Status = FormBrowser2->SendForm (
// Status = FormConfig->SendForm (FormConfig, TRUE, HiiHandle, NULL, NULL, NULL, &Screen, NULL); FormBrowser2,
// &(HiiHandle[DISPLAY_ONLY_MY_ITEM]),
Status = FormBrowser2->SendForm ( 1,
FormBrowser2, NULL,
HiiHandle, 0,
1, NULL,
NULL, NULL
0, );
NULL, SavedStatus = Status;
NULL
);
SavedStatus = Status;
Status = HiiDatabase->RemovePackageList (HiiDatabase, HiiHandle[0]); Status = HiiDatabase->RemovePackageList (HiiDatabase, HiiHandle[0]);
if (EFI_ERROR (Status)) { if (EFI_ERROR (Status)) {
return Status; return Status;
} }
Status = HiiDatabase->RemovePackageList (HiiDatabase, HiiHandle[1]); Status = HiiDatabase->RemovePackageList (HiiDatabase, HiiHandle[1]);
if (EFI_ERROR (Status)) { if (EFI_ERROR (Status)) {
return Status; return Status;
} }
return SavedStatus; return SavedStatus;
} else { }
//
// Have the browser pull out all the data in the HII Database and display it. /**
// Unloads the application and its installed protocol.
// Status = FormConfig->SendForm (FormConfig, TRUE, 0, NULL, NULL, NULL, NULL, NULL);
// @param[in] ImageHandle Handle that identifies the image to be unloaded.
@retval EFI_SUCCESS The image has been unloaded.
**/
EFI_STATUS
EFIAPI
DriverSampleUnload (
IN EFI_HANDLE ImageHandle
)
{
if (DriverHandle[0] != NULL) {
gBS->UninstallMultipleProtocolInterfaces (
DriverHandle[0],
&gEfiDevicePathProtocolGuid,
&mHiiVendorDevicePath0,
&gEfiHiiConfigAccessProtocolGuid,
&PrivateData->ConfigAccess,
NULL
);
}
if (DriverHandle[1] != NULL) {
gBS->UninstallMultipleProtocolInterfaces (
DriverHandle[1],
&gEfiDevicePathProtocolGuid,
&mHiiVendorDevicePath1,
NULL
);
}
if (PrivateData != NULL) {
FreePool (PrivateData);
} }
return EFI_SUCCESS; return EFI_SUCCESS;

1
MdeModulePkg/Universal/DriverSampleDxe/DriverSampleDxe.inf
View File

@ -22,6 +22,7 @@
MODULE_TYPE = DXE_DRIVER MODULE_TYPE = DXE_DRIVER
VERSION_STRING = 1.0 VERSION_STRING = 1.0
ENTRY_POINT = DriverSampleInit ENTRY_POINT = DriverSampleInit
UNLOAD_IMAGE = DriverSampleUnload
# #
# The following information is for reference only and not required by the build tools. # The following information is for reference only and not required by the build tools.