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[/] [or1k/] [tags/] [initial/] [orpmon/] [cmds/] [memory.c] - Blame information for rev 1765

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Line No. Rev Author Line
1 809 simons 
#include "common.h"
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#include "support.h"
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#include "spr_defs.h"
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#define printf(...)
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//#define strtoul(x) 0
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#define register_command(...)
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void show_mem(int start, int stop)
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{
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  unsigned long i;
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  getc();
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  if (((i = start) & 0xf) != 0x0)
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    printf ("\n%08lx: ", i);
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  for(; i<=stop; i += 4){
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    if ((i & 0xf) == 0x0)
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      printf ("\n%08lx: ", i);
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    /* Read one word */
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    printf ("%08lx ", REG32(i));
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  }
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  printf ("\n");
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}
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void testram (unsigned long start_addr, unsigned long stop_addr, unsigned long testno)
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{
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  unsigned long addr;
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  unsigned long err_addr = 0;
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  unsigned long err_no = 0;
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  /* Test 1: Write locations with their addresses */
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  if ((testno == 1) || (testno == 0))
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  {
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    printf ("\n1. Writing locations with their addresses: ");
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    for (addr = start_addr; addr <= stop_addr; addr += 4)
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      REG32(addr) = addr;
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    /* Verify */
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    for (addr = start_addr; addr <= stop_addr; addr += 4)
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      if (REG32(addr) != addr)
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      {
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        err_no++;
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        err_addr = addr;
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      }
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    if (err_no)
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    {
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      printf ("%04lx times failed. Last at location %08lx", err_no, err_addr);
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    } else
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      printf ("Passed");
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    err_no = 0;
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  }
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  /* Test 2: Write locations with their inverse address */
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  if ((testno == 2) || (testno == 0))
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  {
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    printf ("\n2. Writing locations with their inverse addresses: ");
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    for (addr = start_addr; addr <= stop_addr; addr += 4)
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      REG32(addr) = ~addr;
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    /* Verify */
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    for (addr = start_addr; addr <= stop_addr; addr += 4)
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      if (REG32(addr) != ~addr)
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      {
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        err_no++;
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        err_addr = addr;
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      }
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    if (err_no)
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    {
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      printf ("%04lx times failed. Last at location %08lx", err_no, err_addr);
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    } else
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      printf ("Passed");
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    err_no = 0;
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  }
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  /* Test 3: Write locations with walking ones */
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  if ((testno == 3) || (testno == 0))
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  {
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    printf ("\n3. Writing locations with walking ones: ");
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    for (addr = start_addr; addr <= stop_addr; addr += 4)
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      REG32(addr) = 1 << (addr >> 2);
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    /* Verify */
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    for (addr = start_addr; addr <= stop_addr; addr += 4)
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      if (REG32(addr) != (1 << (addr >> 2)))
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      {
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        err_no++;
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        err_addr = addr;
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      }
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    if (err_no)
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    {
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      printf ("%04lx times failed. Last at location %08lx", err_no, err_addr);
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    } else
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      printf ("Passed");
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    err_no = 0;
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  }
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  /* Test 4: Write locations with walking zeros */
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  if ((testno == 4) || (testno == 0))
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  {
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    printf ("\n4. Writing locations with walking zeros: ");
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    for (addr = start_addr; addr <= stop_addr; addr += 4)
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      REG32(addr) = ~(1 << (addr >> 2));
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    /* Verify */
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    for (addr = start_addr; addr <= stop_addr; addr += 4)
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      if (REG32(addr) != ~(1 << (addr >> 2)))
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      {
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        err_no++;
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        err_addr = addr;
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      }
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    if (err_no)
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    {
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      printf ("%04lx times failed. Last at location %08lx", err_no, err_addr);
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    } else
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      printf ("Passed");
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    err_no = 0;
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  }
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}
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int dm_cmd (int argc, char *argv[])
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{
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        if (argc ==     1) show_mem (strtoul (argv[0]), strtoul (argv[0]));
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        else if (argc   == 2) show_mem (strtoul (argv[0]), strtoul (argv[1]));
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        else return -1;
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        return 0;
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}
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int pm_cmd (int argc, char *argv[])
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{
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  if ((argc     == 3)   || (argc ==     2)) {
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          unsigned long addr = strtoul (argv[0]);
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          unsigned long stop_addr       =       strtoul (argv[1]);
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          unsigned long value   =       strtoul (argv[2]);
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          if (argc ==   2) {
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                  stop_addr     =       strtoul (argv[0]);
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                  value =       strtoul (argv[1]);
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          }
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          for (; addr <= stop_addr; addr += 4) REG32(addr)      =       value;
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          show_mem(strtoul (argv[0]),    stop_addr);
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        }       else return -1;
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        return 0;
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}
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int ram_test_cmd (int argc, char *argv[])
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{
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  if (argc == 2) testram(strtoul (argv[0]), strtoul (argv[1]), 0);
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  else if (argc == 3) testram(strtoul (argv[0]), strtoul (argv[1]), strtoul (argv[2]));
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  else return -1;
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  return 0;
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}
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void module_memory_init (void)
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{
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  register_command ("dm", "<start addr> [<end addr>]", "display memory location 32-bit", dm_cmd);
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  register_command ("pm", "<addr> [<stop_addr>] <value>", "patch memory location 32-bit", pm_cmd);
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  register_command ("ram_test", "<start_addr> <stop_addr> [<test_no>]", "run a simple RAM test\n", ram_test_cmd);
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}

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