diff options
| -rw-r--r-- | MdeModulePkg/Include/Library/UefiBootManagerLib.h | 26 | ||||
| -rw-r--r-- | MdeModulePkg/Library/UefiBootManagerLib/BmLoadOption.c | 12 |
2 files changed, 26 insertions, 12 deletions
diff --git a/MdeModulePkg/Include/Library/UefiBootManagerLib.h b/MdeModulePkg/Include/Library/UefiBootManagerLib.h index 97ac1f233c..1d862a4b26 100644 --- a/MdeModulePkg/Include/Library/UefiBootManagerLib.h +++ b/MdeModulePkg/Include/Library/UefiBootManagerLib.h @@ -176,20 +176,30 @@ EfiBootManagerLoadOptionToVariable ( );
/**
- This function will update the Boot####/Driver####/SysPrep#### and the
- BootOrder/DriverOrder/SysPrepOrder to add a new load option.
+ This function will register the new Boot####, Driver#### or SysPrep#### option.
+ After the *#### is updated, the *Order will also be updated.
- @param Option Pointer to load option to add.
- @param Position Position of the new load option to put in the BootOrder/DriverOrder/SysPrepOrder.
+ @param Option Pointer to load option to add. If on input
+ Option->OptionNumber is LoadOptionNumberUnassigned,
+ then on output Option->OptionNumber is updated to
+ the number of the new Boot####,
+ Driver#### or SysPrep#### option.
+ @param Position Position of the new load option to put in the ****Order variable.
+
+ @retval EFI_SUCCESS The *#### have been successfully registered.
+ @retval EFI_INVALID_PARAMETER The option number exceeds 0xFFFF.
+ @retval EFI_ALREADY_STARTED The option number of Option is being used already.
+ Note: this API only adds new load option, no replacement support.
+ @retval EFI_OUT_OF_RESOURCES There is no free option number that can be used when the
+ option number specified in the Option is LoadOptionNumberUnassigned.
+ @return Status codes of gRT->SetVariable ().
- @retval EFI_SUCCESS The load option has been successfully added.
- @retval Others Error status returned by RT->SetVariable.
**/
EFI_STATUS
EFIAPI
EfiBootManagerAddLoadOptionVariable (
- IN EFI_BOOT_MANAGER_LOAD_OPTION *Option,
- IN UINTN Position
+ IN OUT EFI_BOOT_MANAGER_LOAD_OPTION *Option,
+ IN UINTN Position
);
/**
diff --git a/MdeModulePkg/Library/UefiBootManagerLib/BmLoadOption.c b/MdeModulePkg/Library/UefiBootManagerLib/BmLoadOption.c index 32918caf32..f88f8e0245 100644 --- a/MdeModulePkg/Library/UefiBootManagerLib/BmLoadOption.c +++ b/MdeModulePkg/Library/UefiBootManagerLib/BmLoadOption.c @@ -329,7 +329,11 @@ BmAddOptionNumberToOrderVariable ( This function will register the new Boot####, Driver#### or SysPrep#### option.
After the *#### is updated, the *Order will also be updated.
- @param Option Pointer to load option to add.
+ @param Option Pointer to load option to add. If on input
+ Option->OptionNumber is LoadOptionNumberUnassigned,
+ then on output Option->OptionNumber is updated to
+ the number of the new Boot####,
+ Driver#### or SysPrep#### option.
@param Position Position of the new load option to put in the ****Order variable.
@retval EFI_SUCCESS The *#### have been successfully registered.
@@ -338,14 +342,14 @@ BmAddOptionNumberToOrderVariable ( Note: this API only adds new load option, no replacement support.
@retval EFI_OUT_OF_RESOURCES There is no free option number that can be used when the
option number specified in the Option is LoadOptionNumberUnassigned.
- @retval EFI_STATUS Return the status of gRT->SetVariable ().
+ @return Status codes of gRT->SetVariable ().
**/
EFI_STATUS
EFIAPI
EfiBootManagerAddLoadOptionVariable (
- IN EFI_BOOT_MANAGER_LOAD_OPTION *Option,
- IN UINTN Position
+ IN OUT EFI_BOOT_MANAGER_LOAD_OPTION *Option,
+ IN UINTN Position
)
{
EFI_STATUS Status;
|