72     XtExcFrame * frame;  in pxPortInitialiseStack()  local
87     frame = ( XtExcFrame * ) sp;  in pxPortInitialiseStack()
90     frame->pc = ( UBaseType_t ) pxCode;             /* task entrypoint                */  in pxPortInitialiseStack()
91     frame->a0 = 0;                                  /* to terminate GDB backtrace     */  in pxPortInitialiseStack()
92     frame->a1 = ( UBaseType_t ) sp + XT_STK_FRMSZ;  /* physical top of stack frame    */  in pxPortInitialiseStack()
93     frame->exit = ( UBaseType_t ) _xt_user_exit;    /* user exception exit dispatcher */  in pxPortInitialiseStack()
98         frame->a2 = ( UBaseType_t ) pvParameters;  in pxPortInitialiseStack()
99         frame->ps = PS_UM | PS_EXCM;  in pxPortInitialiseStack()
102         frame->a6 = ( UBaseType_t ) pvParameters;  in pxPortInitialiseStack()
103         frame->ps = PS_UM | PS_EXCM | PS_WOE | PS_CALLINC( 1 );  in pxPortInitialiseStack()
108         frame->vpri = 0xFFFFFFFF;  in pxPortInitialiseStack()
118         configASSERT( ( uint32_t ) p >= frame->a1 );  in pxPortInitialiseStack()