kernel/stack.c

   1 /* tag: defines the stacks, program counter and ways to access those
   2  *
   3  * Copyright (C) 2003 Patrick Mauritz, Stefan Reinauer
   4  *
   5  * See the file "COPYING" for further information about
   6  * the copyright and warranty status of this work.
   7  */
   8
   9
  10 #include "openbios/config.h"
  11 #include "openbios/stack.h"
  12 #include "cross.h"
  13
  14 #define dstacksize 512
  15 int dstackcnt = 0;
  16 cell dstack[dstacksize];
  17
  18 #define rstacksize 512
  19 int rstackcnt = 0;
  20 cell rstack[rstacksize];
  21
  22 /* Rstack value saved before entering forth interpreter in debugger */
  23 int dbgrstackcnt = 0;
  24
  25 #if defined(CONFIG_DEBUG_DSTACK) || defined(FCOMPILER)
  26 void printdstack(void)
  27 {
  28         int i;
  29         printk("dstack:");
  30         for (i = 0; i <= dstackcnt; i++) {
  31                 printk(" 0x%" FMT_CELL_x , dstack[i]);
  32         }
  33         printk("\n");
  34 }
  35 #endif
  36 #if defined(CONFIG_DEBUG_RSTACK) || defined(FCOMPILER)
  37 void printrstack(void)
  38 {
  39         int i;
  40         printk("rstack:");
  41         for (i = 0; i <= rstackcnt; i++) {
  42                 printk(" 0x%" FMT_CELL_x , rstack[i]);
  43         }
  44         printk("\n");
  45 }
  46 #endif