csu3_am335x/EVSE/GPL/plc-utils.LNX.2.1.20/source/plc/ModuleDump.c

/*====================================================================*
*
*   Copyright (c) 2013 Qualcomm Atheros, Inc.
*
*   All rights reserved.
*
*====================================================================*/

/*====================================================================*
 *
 *   signed ModuleDump (struct plc * plc, uint16_t source, uint16_t module, uint16_t submodule);
 *
 *   read a module from volatile or non-volatile memory and write to
 *   stdout in hex dump format;
 *
 *   Contributor(s):
 *      Charles Maier <cmaier@qca.qualcomm.com>
 *
 *--------------------------------------------------------------------*/

#ifndef MODULEDUMP_SOURCE
#define MODULEDUMP_SOURCE

#include <stdint.h>
#include <unistd.h>
#include <memory.h>

#include "../tools/error.h"
#include "../plc/plc.h"

signed ModuleDump (struct plc * plc, uint16_t source, uint16_t module, uint16_t submodule)

{
	struct channel * channel = (struct channel *) (plc->channel);
	struct message * message = (struct message *) (plc->message);

#ifndef __GNUC__
#pragma pack (push,1)
#endif

	struct __packed vs_module_operation_read_request
	{
		struct ethernet_hdr ethernet;
		struct qualcomm_hdr qualcomm;
		uint32_t RESERVED;
		uint8_t NUM_OP_DATA;
		struct __packed
		{
			uint16_t MOD_OP;
			uint16_t MOD_OP_DATA_LEN;
			uint32_t MOD_OP_RSVD;
			uint16_t MODULE_ID;
			uint16_t MODULE_SUB_ID;
			uint16_t MODULE_LENGTH;
			uint32_t MODULE_OFFSET;
		}
		MODULE_SPEC;
	}
	* request = (struct vs_module_operation_read_request *) (message);
	struct __packed vs_module_operation_read_confirm
	{
		struct ethernet_hdr ethernet;
		struct qualcomm_hdr qualcomm;
		uint16_t MSTATUS;
		uint16_t ERR_REC_CODE;
		uint32_t RESERVED;
		uint8_t NUM_OP_DATA;
		struct __packed
		{
			uint16_t MOD_OP;
			uint16_t MOD_OP_DATA_LEN;
			uint32_t MOD_OP_RSVD;
			uint16_t MODULE_ID;
			uint16_t MODULE_SUB_ID;
			uint16_t MODULE_LENGTH;
			uint32_t MODULE_OFFSET;
		}
		MODULE_SPEC;
		uint8_t MODULE_DATA [PLC_MODULE_SIZE];
	}
	* confirm = (struct vs_module_operation_read_confirm *) (message);

#ifndef __GNUC__
#pragma pack (pop)
#endif

	unsigned offset = 0;
	unsigned length = PLC_MODULE_SIZE;
	unsigned timer = channel->timeout;
	Request (plc, "Read Module from Flash");
	while (length == PLC_MODULE_SIZE)
	{
		memset (message, 0, sizeof (* message));
		EthernetHeader (& request->ethernet, channel->peer, channel->host, channel->type);
		QualcommHeader (& request->qualcomm, 0, (VS_MODULE_OPERATION | MMTYPE_REQ));
		plc->packetsize = (ETHER_MIN_LEN - ETHER_CRC_LEN);
		request->NUM_OP_DATA = 1;
		request->MODULE_SPEC.MOD_OP = HTOLE16 (source);
		request->MODULE_SPEC.MOD_OP_DATA_LEN = HTOLE16 (sizeof (request->MODULE_SPEC));
		request->MODULE_SPEC.MOD_OP_RSVD = HTOLE32 (0);
		request->MODULE_SPEC.MODULE_ID = HTOLE16 (module);
		request->MODULE_SPEC.MODULE_SUB_ID = HTOLE16 (submodule);
		request->MODULE_SPEC.MODULE_LENGTH = HTOLE16 (length);
		request->MODULE_SPEC.MODULE_OFFSET = HTOLE32 (offset);
		if (SendMME (plc) <= 0)
		{
			error (PLC_EXIT (plc), errno, CHANNEL_CANTSEND);
			return (-1);
		}
		channel->timeout = PLC_MODULE_READ_TIMEOUT;
		if (ReadMME (plc, 0, (VS_MODULE_OPERATION | MMTYPE_CNF)) <= 0)
		{
			error (PLC_EXIT (plc), errno, CHANNEL_CANTREAD);
			channel->timeout = timer;
			return (-1);
		}
		channel->timeout = timer;
		if (confirm->MSTATUS)
		{
			Failure (plc, PLC_WONTDOIT);
			return (-1);
		}
		length = LE16TOH (confirm->MODULE_SPEC.MODULE_LENGTH);
		offset = LE32TOH (confirm->MODULE_SPEC.MODULE_OFFSET);
		hexview (confirm->MODULE_DATA, LE32TOH (confirm->MODULE_SPEC.MODULE_OFFSET), LE16TOH (confirm->MODULE_SPEC.MODULE_LENGTH), stdout);
		offset += length;
	}
	return (0);
}

#endif