openbcm

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xmem.c (1482B)

      1 /*
      2  * 
      3  *
      4  * This license is set out in https://raw.githubusercontent.com/Broadcom-Network-Switching-Software/OpenBCM/master/Legal/LICENSE file.
      5  * 
      6  * Copyright 2007-2019 Broadcom Inc. All rights reserved.
      7  */
      8 
      9 #include <shared/bsl.h>
     10 
     11 #include <appl/diag/system.h>
     12 #include <appl/diag/parse.h>
     13 #include <appl/diag/shell.h>
     14 
     15 char cmd_xmem_usage[] =
     16         "xmem r addr: read 4 bytes from address\n"
     17         "xmem w addr data: write 4 bytes data to address\n";
     18 
     19 cmd_result_t
     20 cmd_xmem(int unit, args_t *a)
     21 {
     22     char          *token;
     23     unsigned int   addr, data;
     24 
     25     if ((token = ARG_GET(a)) == NULL) {
     26         return CMD_USAGE;
     27     }
     28 
     29     if (sal_strcasecmp(token, "r") == 0) {
     30         if ((token = ARG_GET(a)) == NULL) {
     31             return CMD_USAGE;
     32         }
     33         addr = parse_integer(token);
     34         cli_out("0x%x: %08x\n", addr, *((unsigned int *)(INT_TO_PTR(addr))));
     35     } else if (sal_strcasecmp(token, "w") == 0) {
     36         if ((token = ARG_GET(a)) == NULL) {
     37             return CMD_USAGE;
     38         }
     39         addr = parse_integer(token);
     40         if ((token = ARG_GET(a)) == NULL) {
     41             return CMD_USAGE;
     42         }
     43         data = parse_integer(token);
     44         *((unsigned int *)(INT_TO_PTR(addr))) = data;
     45     } else {
     46         cli_out("%s", cmd_xmem_usage);
     47         return CMD_FAIL;
     48     }
     49     return CMD_OK;
     50 }
     51 
     52 
     53 #if 1
     54 int custom_cmd(int unit)
     55 {
     56     cmd_t cmd = { "xmem", cmd_xmem, cmd_xmem_usage, cmd_xmem_usage };
     57 
     58     return cmdlist_add(unit, &cmd);
     59 }
     60 #endif