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/** @file
Load a kernel image and command line passed to QEMU via
the command line
Copyright (C) 2020, Arm, Limited.
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef QEMU_LOAD_IMAGE_LIB_H__
#define QEMU_LOAD_IMAGE_LIB_H__
#include <Uefi/UefiBaseType.h>
#include <Base.h>
#include <Protocol/LoadedImage.h>
/**
Download the kernel, the initial ramdisk, and the kernel command line from
QEMU's fw_cfg. The kernel will be instructed via its command line to load
the initrd from the same Simple FileSystem where the kernel was loaded from.
@param[out] ImageHandle The image handle that was allocated for
loading the image
@retval EFI_SUCCESS The image was loaded successfully.
@retval EFI_NOT_FOUND Kernel image was not found.
@retval EFI_OUT_OF_RESOURCES Memory allocation failed.
@retval EFI_PROTOCOL_ERROR Unterminated kernel command line.
@retval EFI_ACCESS_DENIED The underlying LoadImage boot service call
returned EFI_SECURITY_VIOLATION, and the image
was unloaded again.
@return Error codes from any of the underlying
functions.
**/
EFI_STATUS
EFIAPI
QemuLoadKernelImage (
OUT EFI_HANDLE *ImageHandle
);
/**
Transfer control to a kernel image loaded with QemuLoadKernelImage ()
@param[in,out] ImageHandle Handle of image to be started. May assume a
different value on return if the image was
reloaded.
@retval EFI_INVALID_PARAMETER ImageHandle is either an invalid image handle
or the image has already been initialized with
StartImage
@retval EFI_SECURITY_VIOLATION The current platform policy specifies that the
image should not be started.
@return Error codes returned by the started image.
On success, the function doesn't return.
**/
EFI_STATUS
EFIAPI
QemuStartKernelImage (
IN OUT EFI_HANDLE *ImageHandle
);
/**
Unloads an image loaded with QemuLoadKernelImage ().
@param ImageHandle Handle that identifies the image to be
unloaded.
@retval EFI_SUCCESS The image has been unloaded.
@retval EFI_UNSUPPORTED The image has been started, and does not
support unload.
@retval EFI_INVALID_PARAMETER ImageHandle is not a valid image handle.
@return Exit code from the image's unload function.
**/
EFI_STATUS
EFIAPI
QemuUnloadKernelImage (
IN EFI_HANDLE ImageHandle
);
#endif
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