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This adds support for the i.MX9 ROMAPI, allowing boot in a more device agnostic and portable manner. The ROMAPI "natively" allows to: - Query the boot device for information. - Copy data from the boot device to RAM. An extra functionality was added to ROMAPI to calculate offsets of sequential AHAB containers. The AHAB functionality is built on top of raw ELE primitives and allows to: - Authenticate a container image. - Release the authenticated container. Signed-off-by: Theodore Karatapanis <tkaratapanis@census-labs.com>
71 lines
2.8 KiB
C
71 lines
2.8 KiB
C
/****************************************************************************
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* arch/arm64/include/imx9/imx9_ahab.h
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __ARCH_ARM64_INCLUDE_IMX9_IMX9_AHAB_H
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#define __ARCH_ARM64_INCLUDE_IMX9_IMX9_AHAB_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <imx_container.h>
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Name: ahab_auth_release
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*
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* Description:
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* Release the current container used by ELE for AHAB.
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*
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* Returned Value:
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* Zero (OK) is returned for success. A negated errno value is returned on
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* failure.
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*
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****************************************************************************/
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int ahab_auth_release(void);
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/****************************************************************************
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* Name: ahab_read_auth_image
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*
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* Description:
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* Copy to RAM, then authenticate the image_index image of the container.
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*
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* Input Parameters:
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* container - Pointer to a copy of the AHAB container header in RAM.
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* image_index - The index of the image in the current container.
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* container_offset - Offset of the container in the boot device.
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*
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* Returned Value:
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* NULL pointer for failure, otherwise a pointer to the beginning of the
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* authenticated, image's header.
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*
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****************************************************************************/
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struct boot_img_hdr *ahab_read_auth_image(struct container_hdr *container,
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int image_index,
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unsigned long container_offset);
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#endif /* __ARCH_ARM64_INCLUDE_IMX9_IMX9_AHAB_H */
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