static int __wind_taskinfo_iddfl(struct pt_regs *regs)
{
xnhandle_t handle = __xn_reg_arg1(regs);
TASK_ID ret_id;
ret_id = taskIdDefault(handle);
return __xn_safe_copy_to_user((void __user *)__xn_reg_arg2(regs), &ret_id,
sizeof(ret_id));
}
static int __wind_taskinfo_iddfl(struct task_struct *curr, struct pt_regs *regs)
{
xnhandle_t handle = __xn_reg_arg1(regs);
TASK_ID ret_id;
if (!__xn_access_ok
(curr, VERIFY_WRITE, __xn_reg_arg2(regs), sizeof(ret_id)))
return -EFAULT;
ret_id = taskIdDefault(handle);
__xn_copy_to_user(curr, (void __user *)__xn_reg_arg2(regs), &ret_id,
sizeof(ret_id));
return 0;
}
STATUS taskShow
(
int tid, /* task ID */
int level /* 0 = summary, 1 = details, 2 = all tasks */
)
{
FAST int nTasks; /* number of task */
FAST int ix; /* index */
TASK_DESC td; /* task descriptor for task info */
WIND_TCB * pTcb; /* pointer to tasks tcb */
int idList[MAX_DSP_TASKS]; /* list of active IDs */
char optionsString[256]; /* task options string */
tid = taskIdDefault (tid); /* get default task */
switch (level)
{
case 0 : /* summarize a task */
{
if (taskInfoGet (tid, &td) != OK)
{
printErr ("Task not found.\n");
return (ERROR);
}
printf (infoHdr);
taskSummary (&td);
break;
}
case 1 : /* get task detail */
{
if (taskInfoGet (tid, &td) != OK)
{
printErr ("Task not found.\n");
return (ERROR);
}
taskOptionsString (tid, optionsString); /* get options string */
/* Print the summary as in all_task_info, then all the regs. */
printf (infoHdr); /* banner */
taskSummary (&td);
printf ("\nstack: base 0x%-6x end 0x%-6x size %-5d ",
(int)td.td_pStackBase, (int)td.td_pStackEnd,
td.td_stackSize);
if (td.td_options & VX_NO_STACK_FILL)
printf ("high %5s margin %5s\n", "???", "???");
else
printf ("high %-5d margin %-5d\n", td.td_stackHigh,
td.td_stackMargin);
printf ("\noptions: 0x%x\n%s\n", td.td_options, optionsString);
/* display VxWorks events information */
eventTaskShow (&td.td_events);
if (tid != taskIdSelf ()) /* no self exam */
{
taskRegsShow (tid);
if (_func_fppTaskRegsShow != NULL) /* fp regs if attached*/
(* _func_fppTaskRegsShow) (tid);
if (_func_dspTaskRegsShow != NULL) /* dsp regs if attached*/
(* _func_dspTaskRegsShow) (tid);
#ifdef _WRS_ALTIVEC_SUPPORT
if (_func_altivecTaskRegsShow != NULL) /* altivec regs if attached*/
(* _func_altivecTaskRegsShow) (tid);
#endif /* _WRS_ALTIVEC_SUPPORT */
#if (CPU_FAMILY==I80X86)
if (_func_sseTaskRegsShow != NULL) /* SIMD regs if attached */
(* _func_sseTaskRegsShow) (tid);
#endif /* (CPU_FAMILY==I80X86) */
}
/* print exception info if any */
if ((_func_excInfoShow != NULL) && ((pTcb = taskTcb (tid)) != NULL))
(* _func_excInfoShow) (&pTcb->excInfo, FALSE);
break;
}
case 2 : /* summarize all tasks */
default :
{
printf (infoHdr);
nTasks = taskIdListGet (idList, NELEMENTS (idList));
taskIdListSort (idList, nTasks);
for (ix = 0; ix < nTasks; ++ix)
{
if (taskInfoGet (idList [ix], &td) == OK)
taskSummary (&td);
}
break;
}
}
return (OK);
}
