release/src-rt-6.x/cfe/cfe/ui/ui_misccmds.c

   1 /*  *********************************************************************
   2     *  Broadcom Common Firmware Environment (CFE)
   3     *
   4     *  Miscellaneous commands                   File: ui_misccmds.c
   5     *
   6     *  Some small but useful commands
   7     *
   8     *  Author:  Mitch Lichtenberg (mpl@broadcom.com)
   9     *
  10     *********************************************************************
  11     *
  12     *  Copyright 2000,2001,2002,2003
  13     *  Broadcom Corporation. All rights reserved.
  14     *
  15     *  This software is furnished under license and may be used and
  16     *  copied only in accordance with the following terms and
  17     *  conditions.  Subject to these conditions, you may download,
  18     *  copy, install, use, modify and distribute modified or unmodified
  19     *  copies of this software in source and/or binary form.  No title
  20     *  or ownership is transferred hereby.
  21     *
  22     *  1) Any source code used, modified or distributed must reproduce
  23     *     and retain this copyright notice and list of conditions
  24     *     as they appear in the source file.
  25     *
  26     *  2) No right is granted to use any trade name, trademark, or
  27     *     logo of Broadcom Corporation.  The "Broadcom Corporation"
  28     *     name may not be used to endorse or promote products derived
  29     *     from this software without the prior written permission of
  30     *     Broadcom Corporation.
  31     *
  32     *  3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR
  33     *     IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED
  34     *     WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
  35     *     PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT
  36     *     SHALL BROADCOM BE LIABLE FOR ANY DAMAGES WHATSOEVER, AND IN
  37     *     PARTICULAR, BROADCOM SHALL NOT BE LIABLE FOR DIRECT, INDIRECT,
  38     *     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  39     *     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  40     *     GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  41     *     BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  42     *     OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  43     *     TORT (INCLUDING NEGLIGENCE OR OTHERWISE), EVEN IF ADVISED OF
  44     *     THE POSSIBILITY OF SUCH DAMAGE.
  45     ********************************************************************* */
  46
  47
  48 #include "lib_types.h"
  49 #include "lib_string.h"
  50 #include "lib_queue.h"
  51 #include "lib_malloc.h"
  52 #include "lib_printf.h"
  53
  54 #include "cfe_iocb.h"
  55 #include "cfe_device.h"
  56 #include "cfe_console.h"
  57 #include "cfe_error.h"
  58 #include "cfe_ioctl.h"
  59 #include "cfe_devfuncs.h"
  60 #include "ui_command.h"
  61 #include "cfe.h"
  62
  63
  64 static int ui_cmd_loop(ui_cmdline_t *cmd,int argc,char *argv[]);
  65 #ifdef _FUNCSIM_
  66 static int ui_cmd_exit(ui_cmdline_t *cmd,int argc,char *argv[]);
  67 #endif
  68 static int ui_cmd_console(ui_cmdline_t *cmd,int argc,char *argv[]);
  69
  70 int ui_init_misccmds(void);
  71
  72 int ui_init_misccmds(void)
  73 {
  74
  75     cmd_addcmd("loop",
  76                ui_cmd_loop,
  77                NULL,
  78                "Loop a command",
  79                "loop \"command\" [-count=*]\n"
  80                "The 'loop' command causes the specified command or list of commands\n"
  81                "to be repeated 'count' times or forever, or until a character is typed",
  82                "-count=*;Specifies number of iterations|"
  83                "-forever;Loops forever");
  84
  85 #ifdef _FUNCSIM_
  86     cmd_addcmd("exit",
  87                ui_cmd_exit,
  88                NULL,
  89                "exit from the functional simulator",
  90                "exit [n]\n\n"
  91                "This command is useful only when running under the functional\n"
  92                "simulator.   It causes the simulator to exit and return to the\n"
  93                "operating system.  If specified, 'n' will be placed in $4 as a\n"
  94                "return code.",
  95                "");
  96 #endif
  97
  98     cmd_addcmd("set console",
  99                ui_cmd_console,
 100                NULL,
 101                "Change the active console device",
 102                "set console device-name\n\n"
 103                "Changes the console device to the specified device name.  The console\n"
 104                "must be a serial-style device.  Be careful not to change the console\n"
 105                "to a device that is not connected!",
 106                "");
 107
 108     return 0;
 109 }
 110
 111 static int ui_cmd_loop(ui_cmdline_t *cmd,int argc,char *argv[])
 112 {
 113     int count = 10;
 114     char *x;
 115     int res;
 116     int forever;
 117
 118     if (cmd_sw_value(cmd,"-count",&x)) count = atoi(x);
 119
 120     forever = cmd_sw_isset(cmd,"-forever");
 121
 122     x = cmd_getarg(cmd,0);
 123     if (!x) return ui_showusage(cmd);
 124
 125     res = 0;
 126     while (count || forever) {
 127         if (console_status()) break;
 128         res = ui_docommands(x);
 129         if (res != 0) break;
 130         count--;
 131         }
 132
 133     return res;
 134 }
 135
 136
 137 #ifdef _FUNCSIM_
 138 static int ui_cmd_exit(ui_cmdline_t *cmd,int argc,char *argv[])
 139 {
 140     int val = 0;
 141     char *x;
 142
 143     x = cmd_getarg(cmd,0);
 144     if (x) val = atoi(x);
 145
 146     __asm __volatile ("move $4,%0 ; li $2,1 ; syscall 0xca" : "=r"(val));
 147
 148     return -1;
 149 }
 150 #endif
 151
 152
 153 static int ui_cmd_console(ui_cmdline_t *cmd,int argc,char *argv[])
 154 {
 155     int res;
 156     char *dev;
 157
 158     dev = cmd_getarg(cmd,0);
 159     if (!dev) return -1;
 160
 161     res = cfe_getdevinfo(dev);
 162     if (res < 0) {
 163         xprintf("Device '%s' is not valid\n",dev);
 164         return CFE_ERR_DEVNOTFOUND;
 165         }
 166
 167     if ((res & CFE_DEV_MASK) != CFE_DEV_SERIAL) {
 168         xprintf("Device '%s' is not the appropriate type to be a console\n",
 169                 dev);
 170         return CFE_ERR_WRONGDEVTYPE;
 171         }
 172
 173     cfe_set_console(dev);
 174
 175     return 0;
 176 }