/*******************************************************************************
Copyright (C) Marvell International Ltd. and its affiliates

This software file (the "File") is owned and distributed by Marvell
International Ltd. and/or its affiliates ("Marvell") under the following
alternative licensing terms.  Once you have made an election to distribute the
File under one of the following license alternatives, please (i) delete this
introductory statement regarding license alternatives, (ii) delete the two
license alternatives that you have not elected to use and (iii) preserve the
Marvell copyright notice above.

********************************************************************************
Marvell Commercial License Option

If you received this File from Marvell and you have entered into a commercial
license agreement (a "Commercial License") with Marvell, the File is licensed
to you under the terms of the applicable Commercial License.

********************************************************************************
Marvell GPL License Option

If you received this File from Marvell, you may opt to use, redistribute and/or
modify this File in accordance with the terms and conditions of the General
Public License Version 2, June 1991 (the "GPL License"), a copy of which is
available along with the File in the license.txt file or by writing to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 or
on the worldwide web at http://www.gnu.org/licenses/gpl.txt.

THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE IMPLIED
WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY
DISCLAIMED.  The GPL License provides additional details about this warranty
disclaimer.
********************************************************************************
Marvell BSD License Option

If you received this File from Marvell, you may opt to use, redistribute and/or
modify this File under the following licensing terms.
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 Marvell 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.

*******************************************************************************/

#include <stdio.h>

#define DEBUG

char str[256];

/*************************************************************************************/

void show_help(void) {
  printf("\n-----------\n");
  printf("rr reg       - register read, used to read a register\n");
  printf("rw reg value - register write, used to write a value to a register\n");
  printf("md offset    - memory dump, used to dump 128 bytes in memory\n");
  printf("mw reg value - memory write, used to write a value to a physical memory\n");
#if defined (CONFIG_MV_ETHERNET) || defined (CONFIG_MV_GATEWAY)
  printf("sr dev_addr reg - smi register read, used to read a Switch or Phy register\n");
  printf("sw dev_addr reg value - smi register write, used to write a 16-bit value to a Switch or Phy register\n");
#endif
#ifdef CONFIG_MV_CPU_PERF_CNTRS
  printf("cchelp\n");
  printf("tcc cc0_type cc1_type cc2_type cc3_type - trigger cpu counter capture \n");
  printf("dcc - display cpu counters \n");
#endif
#ifdef CONFIG_MV_CPU_PERF_CNTRS
  printf("l2help\n");
  printf("tl2 l20_type l21_type - trigger cpu l2 counter capture \n");
  printf("dl2 - display cpu l2 counters \n");
#endif

  printf("quit - exit from tool\n");
  printf("-----------\n");
}

void show_counters_help(void) {
    int i = 1;
    printf("cpu counter type can be one of the below, make sure no error is recieved\n");
    printf("for example: tcc 11 2 1 4\n");
    printf("%d: MV_CPU_CNTRS_CYCLES\n",i++);
    printf("%d: MV_CPU_CNTRS_ICACHE_READ_MISS\n",i++);
    printf("%d: MV_CPU_CNTRS_DCACHE_ACCESS\n",i++);
    printf("%d: MV_CPU_CNTRS_DCACHE_READ_MISS\n",i++);
    printf("%d: MV_CPU_CNTRS_DCACHE_READ_HIT\n",i++);
    printf("%d: MV_CPU_CNTRS_DCACHE_WRITE_MISS\n",i++);
    printf("%d: MV_CPU_CNTRS_DCACHE_WRITE_HIT\n",i++);
    printf("%d: MV_CPU_CNTRS_DTLB_MISS\n",i++);
    printf("%d: MV_CPU_CNTRS_TLB_MISS\n",i++);
    printf("%d: MV_CPU_CNTRS_ITLB_MISS\n",i++);
    printf("%d: MV_CPU_CNTRS_INSTRUCTIONS\n",i++);
    printf("%d: MV_CPU_CNTRS_SINGLE_ISSUE\n",i++);
    printf("%d: MV_CPU_CNTRS_MMU_READ_LATENCY\n",i++);
    printf("%d: MV_CPU_CNTRS_MMU_READ_BEAT\n",i++);
    printf("%d: MV_CPU_CNTRS_BRANCH_RETIRED\n",i++);
    printf("%d: MV_CPU_CNTRS_BRANCH_TAKEN\n",i++);
    printf("%d: MV_CPU_CNTRS_BRANCH_PREDICT_MISS\n",i++);
    printf("%d: MV_CPU_CNTRS_BRANCH_PREDICT_COUNT\n",i++);
    printf("%d: MV_CPU_CNTRS_WB_FULL_CYCLES\n",i++);
    printf("%d: MV_CPU_CNTRS_WB_WRITE_LATENCY\n",i++);
    printf("%d: MV_CPU_CNTRS_WB_WRITE_BEAT\n",i++);
    printf("%d: MV_CPU_CNTRS_ICACHE_READ_LATENCY\n",i++);
    printf("%d: MV_CPU_CNTRS_ICACHE_READ_BEAT\n",i++);
    printf("%d: MV_CPU_CNTRS_DCACHE_READ_LATENCY\n",i++);
    printf("%d: MV_CPU_CNTRS_DCACHE_READ_BEAT\n",i++);
    printf("%d: MV_CPU_CNTRS_DCACHE_WRITE_LATENCY\n",i++);
    printf("%d: MV_CPU_CNTRS_DCACHE_WRITE_BEAT\n",i++);
    printf("%d: MV_CPU_CNTRS_LDM_STM_HOLD\n",i++);
    printf("%d: MV_CPU_CNTRS_IS_HOLD\n",i++);
    printf("%d: MV_CPU_CNTRS_DATA_WRITE_ACCESS\n",i++);
    printf("%d: MV_CPU_CNTRS_DATA_READ_ACCESS\n",i++);
    printf("%d: MV_CPU_CNTRS_BIU_SIMULT_ACCESS\n",i++);
    printf("%d: MV_CPU_CNTRS_BIU_ANY_ACCESS\n",i++);
}

void show_l2_counters_help(void) {
    int i = 1;
    printf("cpu l2 counter type can be one of the below, make sure no error is recieved\n");
    printf("%d: MV_CPU_L2_CNTRS_DATA_REQ\n",i++);
    printf("%d: MV_CPU_L2_CNTRS_DATA_MISS_REQ\n",i++);
    printf("%d: MV_CPU_L2_CNTRS_INST_REQ\n",i++);
    printf("%d: MV_CPU_L2_CNTRS_INST_MISS_REQ\n",i++);
    printf("%d: MV_CPU_L2_CNTRS_DATA_READ_REQ\n",i++);
    printf("%d: MV_CPU_L2_CNTRS_DATA_READ_MISS_REQ\n",i++);
    printf("%d: MV_CPU_L2_CNTRS_DATA_WRITE_REQ\n",i++);
    printf("%d: MV_CPU_L2_CNTRS_DATA_WRITE_MISS_REQ\n",i++);
    printf("%d: MV_CPU_L2_CNTRS_RESERVED\n",i++);
    printf("%d: MV_CPU_L2_CNTRS_DIRTY_EVICT_REQ\n",i++);
    printf("%d: MV_CPU_L2_CNTRS_EVICT_BUFF_STALL\n",i++);
    printf("%d: MV_CPU_L2_CNTRS_ACTIVE_CYCLES\n",i++);
}
/*************************************************************************************/

void gt_reg_read(unsigned int rgst) {
  unsigned int reg = rgst, value;
  char ch;
  FILE *resource_dump,*output;

  output = fopen ("./xxx.out","w");
  if (!output) { printf ("Cannot open file\n");return;}

  while (1){ 
    resource_dump = fopen ("/proc/resource_dump" , "w");
    if (!resource_dump) {
      printf ("Error opening file /proc/resource_dump\n");
      exit(-1);
    }
    fprintf (resource_dump,"register  r %08x",reg);
    fclose (resource_dump);
    resource_dump = fopen ("/proc/resource_dump" , "r");
    if (!resource_dump) {
      printf ("Error opening file /proc/resource_dump\n");
      exit(-1);
    }
    fscanf (resource_dump , "%x" , &value);
    fclose (resource_dump);
    printf ("%08x : %08x ",reg,value);

    if (!fgets (str, 255, stdin)) {
     printf ("Error in reading line from stdin\n");
      exit (-1);
    }
    if (str[0] == '.') break;
    reg += 4;
  
  }
}

/*************************************************************************************/
#if defined (CONFIG_MV_ETHERNET) || defined (CONFIG_MV_GATEWAY)

void gt_smi_reg_read(unsigned int dev_addr, unsigned int rgst) {
  unsigned int reg = rgst, value;
  char ch;
  FILE *resource_dump,*output;

  output = fopen ("./xxx.out","w");
  if (!output) { printf ("Cannot open file\n");return;}

  while (1){ 
    resource_dump = fopen ("/proc/resource_dump" , "w");
    if (!resource_dump) {
      printf ("Error opening file /proc/resource_dump\n");
      exit(-1);
    }
    fprintf (resource_dump,"smi  r %08x %08x", dev_addr, reg);
    fclose (resource_dump);
    resource_dump = fopen ("/proc/resource_dump" , "r");
    if (!resource_dump) {
      printf ("Error opening file /proc/resource_dump\n");
      exit(-1);
    }
    fscanf (resource_dump , "%x" , &value);
    fclose (resource_dump);
    printf ("SMI Device: %08x, Reg: %08x, Data: %08x ", dev_addr, reg, value);

    if (!fgets (str, 255, stdin)) {
     printf ("Error in reading line from stdin\n");
      exit (-1);
    }
    if (str[0] == '.') break;
    reg += 1;
  
  }
}

/*************************************************************************************/

void gt_smi_reg_write(unsigned int dev_addr, unsigned int rgst, unsigned int vlue) {
  unsigned int reg = rgst, value = vlue;
  unsigned int element;
  char ch;
  FILE *resource_dump;
  resource_dump = fopen ("/proc/resource_dump" , "w");
  if (!resource_dump) {
    printf ("Eror opening file /proc/resource_dump\n");
    exit(-1);
  }
  fprintf (resource_dump,"smi  w %08x %08x %08x", dev_addr, reg, value);
  fclose (resource_dump);
}
#endif
/*************************************************************************************/

void gt_mem_dump(unsigned int rgst) {
  unsigned int offset = rgst, value , i , j;
  char ch;
  FILE *resource_dump;
  FILE *output;
  output = fopen ("./xxx.out","w");
  if (!output) { printf ("Canot open file\n");return;}
  i = 0;
  while (1) {
    if (i == 0) printf ("\n");
    printf ("%08x : ",offset);
    for (j = 0 ; j < 8 ; j++) {
      resource_dump = fopen ("/proc/resource_dump" , "w");
      if (!resource_dump) {
	printf ("Eror opening file /proc/resource_dump\n");
	exit(-1);
      }

      fprintf (resource_dump,"memory    r %08x",offset);
      fclose (resource_dump);
      resource_dump = fopen ("/proc/resource_dump" , "r");
      if (!resource_dump) {
	printf ("Eror opening file /proc/resource_dump\n");
	exit(-1);
      }
      fscanf (resource_dump , "%x" , &value);
      fclose (resource_dump);
            printf ("%08x ",value);
      
      {
	unsigned int temp;
	temp = ((value & 0xff) << 24) |
	  ((value & 0xff00) << 8) |
	  ((value & 0xff0000) >> 8) |
	  ((value & 0xff000000) >> 24);
	value = temp;
      }
      fprintf (output, "%c",value & 0xff);
      value = value >> 8;
      fprintf (output, "%c",value & 0xff);
      value = value >> 8;
      fprintf (output, "%c",value & 0xff);
      value = value >> 8;
      fprintf (output, "%c",value & 0xff);
      value = value >> 8;

      offset += 4;
      }
      if (!fgets (str, 255, stdin)) {
	printf ("Error in reading line from stdin\n");
	exit (-1);
      }
      if (str[0] == '.') break;
      i ++;

  }
  fclose (output);
  printf ("\n");
}

/*************************************************************************************/

void gt_mem_write(unsigned int rgst, unsigned int vlue) {
  unsigned int reg = rgst, value = vlue;
  unsigned int element;
  char ch;
  FILE *resource_dump;
  resource_dump = fopen ("/proc/resource_dump" , "w");
  if (!resource_dump) {
    printf ("Eror opening file /proc/resource_dump\n");
    exit(-1);
  }
  fprintf (resource_dump,"memory    w %08x %08x",reg,value);
  fclose (resource_dump);
}

/*************************************************************************************/

void gt_reg_write(unsigned int rgst, unsigned int vlue) {
  unsigned int reg = rgst, value = vlue;
  unsigned int element;
  char ch;
  FILE *resource_dump;
  resource_dump = fopen ("/proc/resource_dump" , "w");
  if (!resource_dump) {
    printf ("Eror opening file /proc/resource_dump\n");
    exit(-1);
  }
  fprintf (resource_dump,"register  w %08x %08x",reg,value);
  fclose (resource_dump);
}

/*************************************************************************************/

int main(void) {
  unsigned int dev, reg , value , offset , element;
  char inst[256];
  char value_s[10];
  printf ("\n\n\n*******\nWelcome to the GT Shell environment\n\n");
  printf ("Write 'help' for getting help on the instructions\n");
  while (1) {
    memset (str , 0 , 256);
    memset (inst , 0 , 256);
    printf ("MV Shell -> ");
    if (!fgets (str, 255, stdin)) {
      printf ("Error in reading line from stdin\n");
      exit (-1);
    }
    element = sscanf (str , "%s" , inst);
    if (element == 0) continue;
    offset = strlen (inst);
    if (!strcmp (inst , "quit")) break;
    
    if (!strcmp (inst , "rr")) {
      element = sscanf (str+offset , "%x" , &reg);
      if (element == 1) gt_reg_read (reg);
      else printf ("Insufficient parameters\n");
    }
    else if (!strcmp (inst , "rw")) {
      element = sscanf (str+offset , "%x %x" , &reg , &value);
      if (element == 2) gt_reg_write (reg,value);
      else printf ("Insufficient parameters\n");
    }
    else if (!strcmp (inst , "help")) {
      show_help();
    }
    else if (!strcmp (inst , "md")) {
      element = sscanf (str+offset , "%x" , &reg);
      if (element == 1) gt_mem_dump (reg);
      else printf ("Insufficient parameters\n");
    }
    else if (!strcmp (inst , "mw")) {
      element = sscanf (str+offset , "%x %x" , &reg , &value);
      if (element == 2) gt_mem_write (reg,value);
      else printf ("Insufficient parameters\n");
    }
#if defined (CONFIG_MV_ETHERNET) || defined (CONFIG_MV_GATEWAY)
    else if (!strcmp (inst , "sr")) {
      element = sscanf (str+offset , "%x %x %x" , &dev, &reg);
      if (element == 2) gt_smi_reg_read (dev, reg);
      else printf ("Insufficient parameters\n");
    }
    else if (!strcmp (inst , "sw")) {
      element = sscanf (str+offset , "%x %x %x" , &dev, &reg , &value);
      if (element == 3) gt_smi_reg_write (dev, reg, value);
      else printf ("Insufficient parameters\n");
    }
#endif
#ifdef CONFIG_MV_CPU_PERF_CNTRS
   else if (!strcmp (inst , "cchelp")) {
	show_counters_help();
   }
   else if (!strcmp (inst , "tcc")) {
	int cc0, cc1, cc2, cc3;
  	FILE *resource_dump;
  	resource_dump = fopen ("/proc/resource_dump" , "w");
  	if (!resource_dump) {
    		printf ("Eror opening file /proc/resource_dump\n");
    		exit(-1);
  	}
	sscanf(str + 3," %d %d %d %d", &cc0, &cc1, &cc2, &cc3);
  	fprintf (resource_dump,"start_cc %d %d %d %d",cc0, cc1, cc2, cc3);
  	fclose (resource_dump);
   }
   else if (!strcmp (inst , "dcc")) {
  	FILE *resource_dump;
  	resource_dump = fopen ("/proc/resource_dump" , "w");
  	if (!resource_dump) {
    		printf ("Eror opening file /proc/resource_dump\n");
    		exit(-1);
  	}
  	fprintf (resource_dump,"show__cc");
  	fclose (resource_dump);
   }
#endif
#ifdef CONFIG_MV_CPU_PERF_CNTRS
   else if (!strcmp (inst , "l2help")) {
	show_l2_counters_help();
   }
   else if (!strcmp (inst , "tl2")) {
	int l20, l21;
  	FILE *resource_dump;
  	resource_dump = fopen ("/proc/resource_dump" , "w");
  	if (!resource_dump) {
    		printf ("Eror opening file /proc/resource_dump\n");
    		exit(-1);
  	}
	sscanf(str + 3," %d %d", &l20, &l21);
  	fprintf (resource_dump,"start_l2 %d %d",l20, l21);
  	fclose (resource_dump);
   }
   else if (!strcmp (inst , "dl2")) {
  	FILE *resource_dump;
  	resource_dump = fopen ("/proc/resource_dump" , "w");
  	if (!resource_dump) {
    		printf ("Eror opening file /proc/resource_dump\n");
    		exit(-1);
  	}
  	fprintf (resource_dump,"show__l2");
  	fclose (resource_dump);
   }
#endif

    else if (strlen (str) != 0) printf ("Invalid command - %s\n",inst);
  }
  printf ("Good Bye\n");
  
}

/*************************************************************************************/