audk/IntelFrameworkPkg/Library/FrameworkHiiLib/HiiLib.c

328 lines
9.8 KiB
C

/** @file
HII Library implementation that uses DXE protocols and services.
Copyright (c) 2006, Intel Corporation<BR>
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include <FrameworkDxe.h>
#include <Protocol/FrameworkHii.h>
#include <Library/FrameworkHiiLib.h>
#include <Library/DebugLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>
EFI_HII_PROTOCOL *mHii = NULL;
/**
Library constustor function for HiiLib library instance locate the
gEfiHiiProtocolGuid firstly, the other interface in this library
instance will dependent on the protocol of gEfiHiiProtocolGuid.
So the depex of gEfiHiiProtocolGuid is required for this library
instance.
If protocol of gEfiHiiProtocolGuid is not installed, then ASSERT().
@param ImageHandle The image handle of driver module who use this library
instance.
@param SystemTable Pointer to the EFI System Table.
@retval EFI_SUCCESS library constuctor always success.
**/
EFI_STATUS
EFIAPI
FrameworkHiiLibConstructor (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
Status = gBS->LocateProtocol (
&gEfiHiiProtocolGuid,
NULL,
(VOID **) &mHii
);
ASSERT_EFI_ERROR (Status);
ASSERT (mHii != NULL);
return EFI_SUCCESS;
}
/**
This function is internal function that prepare and create
HII packages with given number and package's guid.
It is invoked by HiiAddPackages() and PreparePackages() interface.
If the parameter of package's number is 0, then ASSERT().
@param NumberOfPackages Given number of package item in a HII package list.
@param Guid Given GUID of a HII package list.
@param Marker Package's content list.
@return pointer to new created HII package list.
**/
EFI_HII_PACKAGES *
InternalPreparePackages (
IN UINTN NumberOfPackages,
IN CONST EFI_GUID *Guid OPTIONAL,
VA_LIST Marker
)
{
EFI_HII_PACKAGES *HiiPackages;
VOID **Package;
UINTN Index;
ASSERT (NumberOfPackages > 0);
HiiPackages = AllocateZeroPool (sizeof (EFI_HII_PACKAGES) + NumberOfPackages * sizeof (VOID *));
ASSERT (HiiPackages != NULL);
HiiPackages->GuidId = (EFI_GUID *) Guid;
HiiPackages->NumberOfPackages = NumberOfPackages;
Package = (VOID **) (((UINT8 *) HiiPackages) + sizeof (EFI_HII_PACKAGES));
for (Index = 0; Index < NumberOfPackages; Index++) {
*Package = VA_ARG (Marker, VOID *);
Package++;
}
return HiiPackages;
}
/**
This function allocates pool for an EFI_HII_PACKAGES structure
with enough space for the variable argument list of package pointers.
The allocated structure is initialized using NumberOfPackages, Guid,
and the variable length argument list of package pointers.
@param NumberOfPackages The number of HII packages to prepare.
@param Guid Package GUID.
@return The allocated and initialized packages.
**/
EFI_HII_PACKAGES *
EFIAPI
PreparePackages (
IN UINTN NumberOfPackages,
IN CONST EFI_GUID *Guid OPTIONAL,
...
)
{
VA_LIST Args;
VA_START (Args, Guid);
return InternalPreparePackages (NumberOfPackages, Guid, Args);
}
/**
This function allocates pool for an EFI_HII_PACKAGE_LIST structure
with additional space that is big enough to host all packages described by the variable
argument list of package pointers. The allocated structure is initialized using NumberOfPackages,
GuidId, and the variable length argument list of package pointers.
Then, EFI_HII_PACKAGE_LIST will be register to the default System HII Database. The
Handle to the newly registered Package List is returned throught HiiHandle.
@param NumberOfPackages The number of HII packages to register.
@param GuidId Package List GUID ID.
@param DriverHandle The pointer of driver handle
@param HiiHandle The ID used to retrieve the Package List later.
@param ... The variable argument list describing all HII Package.
@return
The allocated and initialized packages.
**/
EFI_STATUS
EFIAPI
HiiLibAddPackages (
IN UINTN NumberOfPackages,
IN CONST EFI_GUID *GuidId,
IN EFI_HANDLE DriverHandle, OPTIONAL
OUT EFI_HII_HANDLE *HiiHandle, OPTIONAL
...
)
{
VA_LIST Args;
EFI_HII_PACKAGES *FrameworkHiiPacages;
FRAMEWORK_EFI_HII_HANDLE FrameworkHiiHandle;
EFI_STATUS Status;
VA_START (Args, HiiHandle);
FrameworkHiiPacages = InternalPreparePackages (NumberOfPackages, GuidId, Args);
Status = mHii->NewPack (mHii, FrameworkHiiPacages, &FrameworkHiiHandle);
if (HiiHandle != NULL) {
if (EFI_ERROR (Status)) {
*HiiHandle = NULL;
} else {
*HiiHandle = (EFI_HII_HANDLE) (UINTN) FrameworkHiiHandle;
}
}
FreePool (FrameworkHiiPacages);
return Status;
}
/**
Removes a package list from the default HII database.
If HiiHandle is NULL, then ASSERT.
If HiiHandle is not a valid EFI_HII_HANDLE in the default HII database, then ASSERT.
@param HiiHandle The handle that was previously registered to the data base that is requested for removal.
List later.
@return VOID
**/
VOID
EFIAPI
HiiLibRemovePackages (
IN EFI_HII_HANDLE HiiHandle
)
{
EFI_STATUS Status;
Status = mHii->RemovePack (mHii, (FRAMEWORK_EFI_HII_HANDLE) (UINTN) HiiHandle);
ASSERT_EFI_ERROR (Status);
}
/**
This function adds the string into String Package of each language.
@param PackageList Handle of the package list where this string will
be added.
@param StringId On return, contains the new strings id, which is
unique within PackageList.
@param String Points to the new null-terminated string.
@retval EFI_SUCCESS The new string was added successfully.
@retval EFI_NOT_FOUND The specified PackageList could not be found in
database.
@retval EFI_OUT_OF_RESOURCES Could not add the string due to lack of resources.
@retval EFI_INVALID_PARAMETER String is NULL or StringId is NULL is NULL.
**/
EFI_STATUS
EFIAPI
HiiLibNewString (
IN EFI_HII_HANDLE PackageList,
OUT EFI_STRING_ID *StringId,
IN CONST EFI_STRING String
)
{
FRAMEWORK_EFI_HII_HANDLE FrameworkHiiHandle;
EFI_STATUS Status;
FrameworkHiiHandle = (FRAMEWORK_EFI_HII_HANDLE) (UINTN) PackageList;
Status = mHii->NewString (
mHii,
NULL,
FrameworkHiiHandle,
StringId,
String
);
return Status;
}
/**
Get the string given the StringId and String package Producer's Guid. The caller
is responsible to free the *String.
If PackageList with the matching ProducerGuid is not found, then ASSERT.
If PackageList with the matching ProducerGuid is found but no String is
specified by StringId is found, then ASSERT.
@param ProducerGuid The Guid of String package list.
@param StringId The String ID.
@param String The output string.
@retval EFI_SUCCESS Operation is successful.
@retval EFI_OUT_OF_RESOURCES There is not enought memory in the system.
**/
EFI_STATUS
EFIAPI
HiiLibGetStringFromToken (
IN EFI_GUID *ProducerGuid,
IN EFI_STRING_ID StringId,
OUT EFI_STRING *String
)
{
return EFI_SUCCESS;
}
/**
Get string specified by StringId form the HiiHandle. The caller
is responsible to free the *String.
If String is NULL, then ASSERT.
If HiiHandle could not be found in the default HII database, then ASSERT.
If StringId is not found in PackageList, then ASSERT.
@param PackageList The HII handle of package list.
@param StringId The String ID.
@param String The output string.
@retval EFI_NOT_FOUND String is not found.
@retval EFI_SUCCESS Operation is successful.
@retval EFI_OUT_OF_RESOURCES There is not enought memory in the system.
**/
EFI_STATUS
EFIAPI
HiiLibGetStringFromHandle (
IN EFI_HII_HANDLE PackageList,
IN EFI_STRING_ID StringId,
OUT EFI_STRING *String
)
{
return EFI_SUCCESS;
}
/**
Create the driver handle for HII driver. The protocol and
Package list of this driver wili be installed into this
driver handle.
The implement set DriverHandle to NULL simpliy to let
handle manager create a default new handle.
@param[out] DriverHandle the pointer of driver handle
@return always successful.
**/
EFI_STATUS
EFIAPI
HiiLibCreateHiiDriverHandle (
OUT EFI_HANDLE *DriverHandle
)
{
//
// Driver
// This implementation does nothing as DriverHandle concept only
// applies to UEFI HII specification.
//
*DriverHandle = NULL;
return EFI_SUCCESS;
}