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Diff for /np2/i386c/ia32/task.c between versions 1.18 and 1.21

version 1.18, 2004/03/23 15:29:34 version 1.21, 2008/01/25 17:49:46
Line 12 Line 12
  * 2. Redistributions in binary form must reproduce the above copyright   * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the   *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.   *    documentation and/or other materials provided with the distribution.
  * 3. The name of the author may not be used to endorse or promote products  
  *    derived from this software without specific prior written permission.  
  *   *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES   * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
Line 225  task_switch(selector_t *task_sel, task_s Line 223  task_switch(selector_t *task_sel, task_s
   
         if (CPU_STAT_PAGING) {          if (CPU_STAT_PAGING) {
                 /* task state paging check */                  /* task state paging check */
                 paging_check(cur_base, CPU_TR_DESC.u.seg.limit, CPU_PAGE_WRITE_DATA, CPU_MODE_SUPERVISER);                  paging_check(cur_base, CPU_TR_DESC.u.seg.limit, CPU_PAGE_WRITE_DATA|CPU_MODE_SUPERVISER);
                 paging_check(task_base, task_sel->desc.u.seg.limit, CPU_PAGE_WRITE_DATA, CPU_MODE_SUPERVISER);                  paging_check(task_base, task_sel->desc.u.seg.limit, CPU_PAGE_WRITE_DATA|CPU_MODE_SUPERVISER);
         }          }
   
         /* load task state */          /* load task state */
Line 426  task_switch(selector_t *task_sel, task_s Line 424  task_switch(selector_t *task_sel, task_s
         }          }
   
         /* set new EFLAGS */          /* set new EFLAGS */
 #if defined(IA32_DONT_USE_SET_EFLAGS_FUNCTION)  
         CPU_EFLAG = new_flags;  
         CPU_OV = CPU_FLAG & O_FLAG;  
         CPU_TRAP = (CPU_FLAG & (I_FLAG|T_FLAG)) == (I_FLAG|T_FLAG);  
         if ((old_flags ^ CPU_EFLAG) & VM_FLAG) {  
                 if (CPU_EFLAG & VM_FLAG) {  
                         change_vm(1);  
                 } else {  
                         change_vm(0);  
                 }  
         }  
 #else  
         set_eflags(new_flags, I_FLAG|IOPL_FLAG|RF_FLAG|VM_FLAG|VIF_FLAG|VIP_FLAG);          set_eflags(new_flags, I_FLAG|IOPL_FLAG|RF_FLAG|VM_FLAG|VIF_FLAG|VIP_FLAG);
 #endif  
   
         /* I/O deny bitmap */          /* I/O deny bitmap */
         if (!task16) {          if (!task16) {
Removed from v.1.18  
changed lines
  Added in v.1.21

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