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/*====================================================================*
*
* Copyright (c) 2013 Qualcomm Atheros, Inc.
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted (subject to the limitations
* in the disclaimer below) provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* * Neither the name of Qualcomm Atheros nor the names of
* its contributors may be used to endorse or promote products
* derived from this software without specific prior written
* permission.
*
* NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
* GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE
* COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*--------------------------------------------------------------------*/
/*====================================================================*
*
* signed WriteExecuteFirmware2 (struct plc * plc, unsigned module, const struct nvm_header2 * nvm_header);
*
* plc.h
*
* use VS_WRITE_AND_EXECUTE_APPLET write a firmware image into SDRAM and
* start execution when the image is stored in the new image file
* format;
*
* the boot loader must be running for this to work since runtime
* firmware ignores VS_WRITE_AND_EXECUTE_APPLET messages;
*
*
* Contributor(s):
* Charles Maier
*
*--------------------------------------------------------------------*/
#ifndef WRITEEXECUTEFIRMWARE2_SOURCE
#define WRITEEXECUTEFIRMWARE2_SOURCE
#include "../tools/files.h"
#include "../tools/error.h"
#include "../plc/plc.h"
signed WriteExecuteFirmware2 (struct plc * plc, unsigned module, const struct nvm_header2 * nvm_header)
{
struct channel * channel = (struct channel *)(plc->channel);
struct message * message = (struct message *)(plc->message);
#ifndef __GNUC__
#pragma pack (push,1)
#endif
struct __packed vs_write_execute_request
{
struct ethernet_hdr ethernet;
struct qualcomm_hdr qualcomm;
uint32_t CLIENT_SESSION_ID;
uint32_t SERVER_SESSION_ID;
uint32_t FLAGS;
uint8_t ALLOWED_MEM_TYPES [8];
uint32_t TOTAL_LENGTH;
uint32_t CURR_PART_LENGTH;
uint32_t CURR_PART_OFFSET;
uint32_t START_ADDR;
uint32_t CHECKSUM;
uint8_t RESERVED2 [8];
uint8_t IMAGE [PLC_MODULE_SIZE];
}
* request = (struct vs_write_execute_request *) (message);
struct __packed vs_write_execute_confirm
{
struct ethernet_hdr ethernet;
struct qualcomm_hdr qualcomm;
uint32_t MSTATUS;
uint32_t CLIENT_SESSION_ID;
uint32_t SERVER_SESSION_ID;
uint32_t FLAGS;
uint8_t ALLOWED_MEM_TYPES [8];
uint32_t TOTAL_LENGTH;
uint32_t CURR_PART_LENGTH;
uint32_t CURR_PART_OFFSET;
uint32_t START_ADDR;
uint32_t CHECKSUM;
uint8_t RESERVED2 [8];
uint32_t CURR_PART_ABSOLUTE_ADDR;
uint32_t ABSOLUTE_START_ADDR;
}
* confirm = (struct vs_write_execute_confirm *) (message);
#ifndef __GNUC__
#pragma pack (pop)
#endif
unsigned action = PLC_MODULE_ABSOLUTE;
uint32_t length = PLC_MODULE_SIZE;
uint32_t offset = LE32TOH (nvm_header->ImageAddress);
uint32_t extent = LE32TOH (nvm_header->ImageLength);
Request (plc, "Write %s (%d) (%08X:%d)", plc->NVM.name, module, offset, extent);
while (extent)
{
memset (message, 0, sizeof (* message));
EthernetHeader (&request->ethernet, channel->peer, channel->host, channel->type);
QualcommHeader (&request->qualcomm, 0, (VS_WRITE_AND_EXECUTE_APPLET | MMTYPE_REQ));
if (length > extent)
{
if (!(LE32TOH(nvm_header->EntryPoint) % sizeof(nvm_header->EntryPoint)))
{
Request (plc, "Start %s (%d) (%08X)", plc->NVM.name, module, LE32TOH (nvm_header->EntryPoint));
action |= PLC_MODULE_EXECUTE;
}
length = extent;
}
if (read (plc->NVM.file, request->IMAGE, length) != (signed)(length))
{
error (1, errno, FILE_CANTREAD, plc->NVM.name);
}
request->CLIENT_SESSION_ID = HTOLE32 (plc->cookie);
request->SERVER_SESSION_ID = HTOLE32 (0);
request->FLAGS = HTOLE32 (action);
request->ALLOWED_MEM_TYPES [0] = 1;
request->TOTAL_LENGTH = nvm_header->ImageLength;
request->CURR_PART_LENGTH = HTOLE32 (length);
request->CURR_PART_OFFSET = HTOLE32 (offset);
request->START_ADDR = nvm_header->EntryPoint;
request->CHECKSUM = nvm_header->ImageChecksum;
plc->packetsize = sizeof (* request);
if (SendMME (plc) <= 0)
{
error (PLC_EXIT (plc), errno, CHANNEL_CANTSEND);
return (-1);
}
do {
if (ReadMME (plc, 0, (VS_WRITE_AND_EXECUTE_APPLET | MMTYPE_CNF)) <= 0)
{
error (PLC_EXIT (plc), errno, CHANNEL_CANTREAD);
return (-1);
}
} while (confirm->CLIENT_SESSION_ID != HTOLE32 (plc->cookie));
if (confirm->MSTATUS)
{
Failure (plc, PLC_WONTDOIT);
return (-1);
}
if (LE32TOH (confirm->CURR_PART_LENGTH) != length)
{
error (PLC_EXIT (plc), 0, PLC_ERR_LENGTH);
return (-1);
}
if (LE32TOH (confirm->CURR_PART_OFFSET) != offset)
{
error (PLC_EXIT (plc), 0, PLC_ERR_OFFSET);
return (-1);
}
offset += length;
extent -= length;
}
return (0);
}
#endif
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