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 
00022 #ifndef PAL_UPDATE_ACTIVE_METADATA_HEADER_OFFSET
00023 #ifdef MBED_CONF_MBED_CLIENT_PAL_UPDATE_ACTIVE_METADATA_HEADER_OFFSET
00024 #define PAL_UPDATE_ACTIVE_METADATA_HEADER_OFFSET MBED_CONF_MBED_CLIENT_PAL_UPDATE_ACTIVE_METADATA_HEADER_OFFSET
00025 #else  // MBED_CONF_MBED_CLIENT_PAL_UPDATE_ACTIVE_METADATA_HEADER_OFFSET
00026 #define PAL_UPDATE_ACTIVE_METADATA_HEADER_OFFSET 0
00027 #endif // MBED_CONF_MBED_CLIENT_PAL_UPDATE_ACTIVE_METADATA_HEADER_OFFSET
00028 #endif // PAL_UPDATE_ACTIVE_METADATA_HEADER_OFFSET
00029 
00030 palStatus_t pal_plat_imageInitAPI (palImageSignalEvent_t CBfunction)
00031 {
00032     return PAL_ERR_NOT_IMPLEMENTED ;
00033 }
00034 
00035 palStatus_t pal_plat_imageDeInit (void)
00036 {
00037     return PAL_ERR_NOT_IMPLEMENTED ;
00038 }
00039 
00040 palStatus_t pal_plat_imageGetMaxNumberOfImages (uint8_t *imageNumber)
00041 {
00042     return PAL_ERR_NOT_IMPLEMENTED ;
00043 }
00044 
00045 palStatus_t pal_plat_imageSetVersion (palImageId_t imageId, const palConstBuffer_t* version)
00046 {
00047     return PAL_ERR_NOT_IMPLEMENTED ;
00048 }
00049 
00050 palStatus_t pal_plat_imageGetDirectMemAccess (palImageId_t imageId, void** imagePtr, size_t *imageSizeInBytes)
00051 {
00052     return PAL_ERR_NOT_IMPLEMENTED ;
00053 }
00054 
00055 palStatus_t pal_plat_imageActivate (palImageId_t imageId)
00056 {
00057     return PAL_ERR_NOT_IMPLEMENTED ;
00058 }
00059 
00060 palStatus_t pal_plat_imageGetActiveHash (palBuffer_t *hash)
00061 {
00062     palStatus_t ret = PAL_ERR_UPDATE_ERROR ;
00063     uint32_t read_offset = PAL_UPDATE_ACTIVE_METADATA_HEADER_OFFSET +
00064                             offsetof(FirmwareHeader_t, firmwareSHA256);
00065 
00066     FlashIAP flash;
00067     int rc = -1;
00068 
00069     rc = flash.init();
00070     if (rc != 0)
00071     {
00072         DEBUG_PRINT("flash init failed\r\n");
00073         goto exit;
00074     }
00075 
00076 
00077     rc = flash.read(hash->buffer, read_offset, SIZEOF_SHA256);
00078     if (rc != 0)
00079     {
00080         DEBUG_PRINT("flash read failed\r\n");
00081         goto exit;
00082     }
00083 
00084     hash->bufferLength = SIZEOF_SHA256;
00085 
00086     rc = flash.deinit();
00087     if (rc != 0)
00088     {
00089         DEBUG_PRINT("flash deinit failed\r\n");
00090         goto exit;
00091     }
00092 
00093     ret = PAL_SUCCESS;
00094 
00095 exit:
00096     return ret;
00097 }
00098 
00099 palStatus_t pal_plat_imageGetActiveVersion  (palBuffer_t* version)
00100 {
00101     return PAL_ERR_NOT_IMPLEMENTED ;
00102 }
00103 
00104 palStatus_t pal_plat_imageWriteHashToMemory (const palConstBuffer_t* const hashValue)
00105 {
00106     return PAL_ERR_NOT_IMPLEMENTED ;
00107 }
00108 
00109 palStatus_t pal_plat_imageSetHeader (palImageId_t imageId, palImageHeaderDeails_t *details)
00110 {
00111     return PAL_ERR_NOT_IMPLEMENTED ;
00112 }
00113 
00114 palStatus_t pal_plat_imageReserveSpace (palImageId_t imageId, size_t imageSize)
00115 {
00116     return PAL_ERR_NOT_IMPLEMENTED ;
00117 }
00118 
00119 palStatus_t pal_plat_imageWrite (palImageId_t imageId, size_t offset, palConstBuffer_t *chunk)
00120 {
00121     return PAL_ERR_NOT_IMPLEMENTED ;
00122 }
00123 
00124 palStatus_t pal_plat_imageReadToBuffer (palImageId_t imageId, size_t offset, palBuffer_t *chunk)
00125 {
00126     return PAL_ERR_NOT_IMPLEMENTED ;
00127 }
00128 
00129 palStatus_t pal_plat_imageFlush (palImageId_t package_id)
00130 {
00131     return PAL_ERR_NOT_IMPLEMENTED ;
00132 }