185 lines
7.2 KiB
C
185 lines
7.2 KiB
C
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/*
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* Copyright (c) Nordic Semiconductor ASA
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice, this
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* list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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*
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* 3. Neither the name of Nordic Semiconductor ASA nor the names of other
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* contributors to this software may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* 4. This software must only be used in a processor manufactured by Nordic
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* Semiconductor ASA, or in a processor manufactured by a third party that
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* is used in combination with a processor manufactured by Nordic Semiconductor.
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*
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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/**
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@defgroup nrf_mbr_api Master Boot Record API
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@{
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@brief APIs for updating SoftDevice and BootLoader
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*/
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/* Header guard */
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#ifndef NRF_MBR_H__
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#define NRF_MBR_H__
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#include "nrf_svc.h"
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#include <stdint.h>
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/** @addtogroup NRF_MBR_DEFINES Defines
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* @{ */
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/**@brief MBR SVC Base number. */
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#define MBR_SVC_BASE (0x18)
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/** @} */
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/** @addtogroup NRF_MBR_ENUMS Enumerations
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* @{ */
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/**@brief nRF Master Boot Record API SVC numbers. */
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enum NRF_MBR_SVCS
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{
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SD_MBR_COMMAND = MBR_SVC_BASE, /**< ::sd_mbr_command */
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};
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/**@brief Possible values for ::sd_mbr_command_t.command */
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enum NRF_MBR_COMMANDS
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{
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SD_MBR_COMMAND_COPY_BL, /**< Copy a new BootLoader. @see sd_mbr_command_copy_bl_t */
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SD_MBR_COMMAND_COPY_SD, /**< Copy a new SoftDevice. @see ::sd_mbr_command_copy_sd_t*/
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SD_MBR_COMMAND_INIT_SD, /**< Init forwarding interrupts to SD, and run reset function in SD*/
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SD_MBR_COMMAND_COMPARE, /**< This command works like memcmp. @see ::sd_mbr_command_compare_t*/
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SD_MBR_COMMAND_VECTOR_TABLE_BASE_SET, /**< Start forwarding all exception to this address @see ::sd_mbr_command_vector_table_base_set_t*/
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};
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/** @} */
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/** @addtogroup NRF_MBR_TYPES Types
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* @{ */
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/**@brief This command copies part of a new SoftDevice
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* The destination area is erased before copying.
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* If dst is in the middle of a flash page, that whole flash page will be erased.
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* If (dst+len) is in the middle of a flash page, that whole flash page will be erased.
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*
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* The user of this function is responsible for setting the PROTENSET registers.
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*
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* @retval ::NRF_SUCCESS indicates that the contents of the memory blocks where copied correctly.
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* @retval ::NRF_ERROR_INTERNAL indicates that the contents of the memory blocks where not verified correctly after copying.
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*/
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typedef struct
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{
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uint32_t *src; /**< Pointer to the source of data to be copied.*/
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uint32_t *dst; /**< Pointer to the destination where the content is to be copied.*/
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uint32_t len; /**< Number of 32 bit words to copy. Must be a multiple of PAGE_SIZE_IN_WORDS words.*/
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} sd_mbr_command_copy_sd_t;
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/**@brief This command works like memcmp, but takes the length in words.
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*
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* @retval ::NRF_SUCCESS indicates that the contents of both memory blocks are equal.
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* @retval ::NRF_ERROR_NULL indicates that the contents of the memory blocks are not equal.
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*/
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typedef struct
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{
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uint32_t *ptr1; /**< Pointer to block of memory. */
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uint32_t *ptr2; /**< Pointer to block of memory. */
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uint32_t len; /**< Number of 32 bit words to compare.*/
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} sd_mbr_command_compare_t;
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/**@brief This command copies a new BootLoader.
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* With this command, destination of BootLoader is always the address written in NRF_UICR->BOOTADDR.
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*
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* Destination is erased by this function.
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* If (destination+bl_len) is in the middle of a flash page, that whole flash page will be erased.
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*
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* This function will use PROTENSET to protect the flash that is not intended to be written.
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*
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* On Success, this function will not return. It will start the new BootLoader from reset-vector as normal.
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*
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* @retval ::NRF_ERROR_INTERNAL indicates an internal error that should not happen.
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* @retval ::NRF_ERROR_FORBIDDEN if NRF_UICR->BOOTADDR is not set.
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* @retval ::NRF_ERROR_INVALID_LENGTH if parameters attempts to read or write outside flash area.
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*/
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typedef struct
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{
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uint32_t *bl_src; /**< Pointer to the source of the Bootloader to be be copied.*/
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uint32_t bl_len; /**< Number of 32 bit words to copy for BootLoader. */
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} sd_mbr_command_copy_bl_t;
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/**@brief Sets the base address of the interrupt vector table for interrupts forwarded from the MBR
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*
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* Once this function has been called, this address is where the MBR will start to forward interrupts to after a reset.
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*
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* To restore default forwarding this function should be called with @param address set to 0.
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* The MBR will then start forwarding to interrupts to the adress in NFR_UICR->BOOTADDR or to the SoftDevice if the BOOTADDR is not set.
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*
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* @retval ::NRF_SUCCESS
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* @retval ::NRF_ERROR_INTERNAL indicates an internal error that should not happen.
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* @retval ::NRF_ERROR_INVALID_ADDR if parameter address is outside of the flash size.
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*/
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typedef struct
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{
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uint32_t address; /**< The base address of the interrupt vector table for forwarded interrupts.*/
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} sd_mbr_command_vector_table_base_set_t;
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typedef struct
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{
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uint32_t command; /**< type of command to be issued see @ref NRF_MBR_COMMANDS. */
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union
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{
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sd_mbr_command_copy_sd_t copy_sd; /**< Parameters for copy SoftDevice.*/
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sd_mbr_command_copy_bl_t copy_bl; /**< Parameters for copy BootLoader.*/
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sd_mbr_command_compare_t compare; /**< Parameters for verify.*/
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sd_mbr_command_vector_table_base_set_t base_set; /**< Parameters for vector table base set.*/
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} params;
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} sd_mbr_command_t;
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/** @} */
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/** @addtogroup NRF_MBR_FUNCTIONS Functions
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* @{ */
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/**@brief Issue Master Boot Record commands
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*
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* Commands used when updating a SoftDevice and bootloader.
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*
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* @param[in] param Pointer to a struct describing the command.
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*
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*@note for retvals see ::sd_mbr_command_copy_sd_t ::sd_mbr_command_copy_bl_t ::sd_mbr_command_compare_t
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*/
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SVCALL(SD_MBR_COMMAND, uint32_t, sd_mbr_command(sd_mbr_command_t* param));
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/** @} */
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#endif // NRF_MBR_H__
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/**
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@}
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*/
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