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efi_loader: create stub for CreateEventEx

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Currently we set the function pointer for the CreateEventEx boot service
to NULL. When called this would lead to an immediate failure.

A function stub is provided which handles the case that the boot service
is called without an event group and returns EFI_UNSUPPORTED otherwise.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Heinrich Schuchardt
2018-02-04 23:05:13 +01:00
committed by Alexander Graf
parent ae86b6be12
commit 9f0930e5d9
2 changed files with 41 additions and 1 deletions
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9
include/efi_api.h
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@ -166,7 +166,14 @@ struct efi_boot_services {
void (EFIAPI *copy_mem)(void *destination, const void *source,
size_t length);
void (EFIAPI *set_mem)(void *buffer, size_t size, uint8_t value);
void *create_event_ex;
efi_status_t (EFIAPI *create_event_ex)(
uint32_t type, efi_uintn_t notify_tpl,
void (EFIAPI *notify_function) (
struct efi_event *event,
void *context),
void *notify_context,
efi_guid_t *event_group,
struct efi_event **event);
};
/* Types and defines for EFI ResetSystem */