/*
 * Copyright (c) 2006-2014, Texas Instruments Incorporated
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted 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 Texas Instruments Incorporated nor the names of
 *    its contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * 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.
 *
 */

function d2h(d) {return ("00000000" + (d).toString(16)).slice(-8);}

function printRegisterValue(ds, name, addr)
{
	value = debugSessionDAP.memory.readWord(0,addr,false);
	value_string = d2h(value);
	file.write(name + " = 0x" + value_string + "\n");
	return value; // return the register value for interrogation
}

// Build a filename that includes date/time
var today = new Date();
var year4digit = today.getFullYear();
var month2digit = ("0" + (today.getMonth()+1)).slice(-2);
var day2digit = ("0" + today.getDate()).slice(-2);
var hour2digit = ("0" + today.getHours()).slice(-2);
var minutes2digit = ("0" + today.getMinutes()).slice(-2);
var seconds2digit = ("0" + today.getSeconds()).slice(-2);
var filename_date = '_' + year4digit + '-' + month2digit + '-' + day2digit + '_' + hour2digit + minutes2digit + seconds2digit; 
var userHomeFolder = System.getProperty("user.home");
var filename = userHomeFolder + '/Desktop/' + 'am335x-ds0-analysis' + filename_date + '.txt';

debugSessionDAP = ds.openSession("*","CS_DAP_M3");

try {
	debugSessionDAP.target.connect();
} catch (ex) {
	print("\n ERROR: Could not connect to DAP_M3.\n");
}

file = new java.io.FileWriter(filename);


var reg_val;

// PRM_MPU: PM_MPU_PWRSTST 
reg_val = printRegisterValue(debugSessionDAP, "PRM_MPU: PM_MPU_PWRSTST", 0x44E00E04);
if ( reg_val == 0 ) {
	file.write("  * Cortex A8 is OFF.\n");
} else {
	file.write("  * ERROR: Cortex A8 is still on!\n");
}

// PRM_GFX: PM_GFX_PWRSTST
reg_val = printRegisterValue(debugSessionDAP, "PRM_GFX: PM_GFX_PWRSTST", 0x44E01110);
if ( reg_val == 0 ) {
	file.write("  * SGX530 is OFF.\n");
} else {
	file.write("  * ERROR: SGX530 is still on!\n");
}

// PRM_PER: PM_PER_PWRSTST
reg_val = printRegisterValue(debugSessionDAP, "PRM_PER: PM_PER_PWRSTST", 0x44E00C08);
if ( reg_val == 0x00200001 ) {
	file.write(" * PER domain in retention (OCMC RAM retained).\n");
} else if ( reg_val&3 == 3) {
	file.write("  * ERROR: PER domain still on!\n");
	
	// CM_PER: CM_PER_L4LS_CLKSTCTRL
	reg_val = printRegisterValue(debugSessionDAP, "CM_PER: CM_PER_L4LS_CLKSTCTRL", 0x44E00000);
	if ( reg_val & 1<<28 ) {file.write("  * ERROR: TIMER6 active!\n");}
	if ( reg_val & 1<<27 ) {file.write("  * ERROR: TIMER5 active!\n");}
	if ( reg_val & 1<<25 ) {file.write("  * ERROR: SPI active!\n");}
	if ( reg_val & 1<<24 ) {file.write("  * ERROR: I2C active!\n");}
	if ( reg_val & 1<<21 ) {file.write("  * ERROR: GPIO3 active!\n");}
	if ( reg_val & 1<<20 ) {file.write("  * ERROR: GPIO2 active!\n");}
	if ( reg_val & 1<<19 ) {file.write("  * ERROR: GPIO1 active!\n");}
	if ( reg_val & 1<<17 ) {file.write("  * ERROR: LCDC active!\n");}
	if ( reg_val & 1<<16 ) {file.write("  * ERROR: TIMER4 active!\n");}
	if ( reg_val & 1<<15 ) {file.write("  * ERROR: TIMER3 active!\n");}
	if ( reg_val & 1<<14 ) {file.write("  * ERROR: TIMER2 active!\n");}
	if ( reg_val & 1<<13 ) {file.write("  * ERROR: TIMER7 active!\n");}
	if ( reg_val & 1<<11 ) {file.write("  * ERROR: CAN active!\n");}
	if ( reg_val & 1<<10 ) {file.write("  * ERROR: UART active!\n");}
	if ( reg_val & 1<<8 ) {file.write("  * ERROR: L4LS active!\n");}
	
	// CM_PER: CM_PER_L3_CLKSTCTRL
	reg_val = printRegisterValue(debugSessionDAP, "CM_PER: CM_PER_L3_CLKSTCTRL", 0x44E0000C);		
	if ( reg_val & 1<<7 ) {file.write("  * ERROR: MCASP active!\n");}
	if ( reg_val & 1<<6 ) {file.write("  * ERROR: CPTS_RFT active!\n");}	
	if ( reg_val & 1<<4 ) {file.write("  * ERROR: L3 active!\n");}
	if ( reg_val & 1<<3 ) {file.write("  * ERROR: MMC active!\n");}
	if ( reg_val & 1<<2 ) {file.write("  * ERROR: EMIF active!\n");}
} else {
	file.write("  * ERROR:  Manually inspect PER domain.  Unexpected combo.\n");
}

file.close();
print("Created file " + filename);
debugSessionDAP.target.disconnect();