pal_plat_update.cpp

00001 /*******************************************************************************
00002  * Copyright 2016, 2017 ARM Ltd.
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *     http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  *******************************************************************************/
00016 
00017 #include <mbed.h>
00018 #include <pal.h>
00019 #include <pal_plat_update.h>
00020 
00021 #define TRACE_GROUP "PAL"
00022 
00023 #ifndef PAL_UPDATE_ACTIVE_METADATA_HEADER_OFFSET
00024 #ifdef MBED_CONF_MBED_CLIENT_PAL_UPDATE_ACTIVE_METADATA_HEADER_OFFSET
00025 #define PAL_UPDATE_ACTIVE_METADATA_HEADER_OFFSET MBED_CONF_MBED_CLIENT_PAL_UPDATE_ACTIVE_METADATA_HEADER_OFFSET
00026 #else  // MBED_CONF_MBED_CLIENT_PAL_UPDATE_ACTIVE_METADATA_HEADER_OFFSET
00027 #define PAL_UPDATE_ACTIVE_METADATA_HEADER_OFFSET 0
00028 #endif // MBED_CONF_MBED_CLIENT_PAL_UPDATE_ACTIVE_METADATA_HEADER_OFFSET
00029 #endif // PAL_UPDATE_ACTIVE_METADATA_HEADER_OFFSET
00030 
00031 palStatus_t pal_plat_imageInitAPI(palImageSignalEvent_t CBfunction)
00032 {
00033     return PAL_ERR_NOT_IMPLEMENTED;
00034 }
00035 
00036 palStatus_t pal_plat_imageDeInit(void)
00037 {
00038     return PAL_ERR_NOT_IMPLEMENTED;
00039 }
00040 
00041 palStatus_t pal_plat_imageGetMaxNumberOfImages(uint8_t *imageNumber)
00042 {
00043     return PAL_ERR_NOT_IMPLEMENTED;
00044 }
00045 
00046 palStatus_t pal_plat_imageSetVersion(palImageId_t imageId, const palConstBuffer_t* version)
00047 {
00048     return PAL_ERR_NOT_IMPLEMENTED;
00049 }
00050 
00051 palStatus_t pal_plat_imageGetDirectMemAccess(palImageId_t imageId, void** imagePtr, size_t *imageSizeInBytes)
00052 {
00053     return PAL_ERR_NOT_IMPLEMENTED;
00054 }
00055 
00056 palStatus_t pal_plat_imageActivate(palImageId_t imageId)
00057 {
00058     return PAL_ERR_NOT_IMPLEMENTED;
00059 }
00060 
00061 palStatus_t pal_plat_imageGetActiveHash(palBuffer_t *hash)
00062 {
00063     palStatus_t ret = PAL_ERR_UPDATE_ERROR ;
00064     uint32_t read_offset = PAL_UPDATE_ACTIVE_METADATA_HEADER_OFFSET +
00065                             offsetof(FirmwareHeader_t, firmwareSHA256);
00066 
00067     FlashIAP flash;
00068     int rc = -1;
00069 
00070     rc = flash.init();
00071     if (rc != 0)
00072     {
00073         PAL_LOG_ERR("flash init failed\r\n");
00074         goto exit;
00075     }
00076 
00077 
00078     rc = flash.read(hash->buffer, read_offset, SIZEOF_SHA256);
00079     if (rc != 0)
00080     {
00081         PAL_LOG_ERR("flash read failed\r\n");
00082         goto exit;
00083     }
00084 
00085     hash->bufferLength = SIZEOF_SHA256;
00086 
00087     rc = flash.deinit();
00088     if (rc != 0)
00089     {
00090         PAL_LOG_ERR("flash deinit failed\r\n");
00091         goto exit;
00092     }
00093 
00094     ret = PAL_SUCCESS;
00095 
00096 exit:
00097     return ret;
00098 }
00099 
00100 palStatus_t pal_plat_imageGetActiveVersion (palBuffer_t* version)
00101 {
00102     return PAL_ERR_NOT_IMPLEMENTED;
00103 }
00104 
00105 palStatus_t pal_plat_imageWriteHashToMemory (const palConstBuffer_t* const hashValue)
00106 {
00107     return PAL_ERR_NOT_IMPLEMENTED;
00108 }
00109 
00110 palStatus_t pal_plat_imageSetHeader(palImageId_t imageId, palImageHeaderDeails_t *details)
00111 {
00112     return PAL_ERR_NOT_IMPLEMENTED;
00113 }
00114 
00115 palStatus_t pal_plat_imageReserveSpace(palImageId_t imageId, size_t imageSize)
00116 {
00117     return PAL_ERR_NOT_IMPLEMENTED;
00118 }
00119 
00120 palStatus_t pal_plat_imageWrite(palImageId_t imageId, size_t offset, palConstBuffer_t *chunk)
00121 {
00122     return PAL_ERR_NOT_IMPLEMENTED;
00123 }
00124 
00125 palStatus_t pal_plat_imageReadToBuffer(palImageId_t imageId, size_t offset, palBuffer_t *chunk)
00126 {
00127     return PAL_ERR_NOT_IMPLEMENTED;
00128 }
00129 
00130 palStatus_t pal_plat_imageFlush(palImageId_t package_id)
00131 {
00132     return PAL_ERR_NOT_IMPLEMENTED;
00133 }