topic MPC574XP can't switch tasks when there is floating-point operation in S32 SDK https://community.nxp.com/t5/S32-SDK/MPC574XP-can-t-switch-tasks-when-there-is-floating-point/m-p/924585#M1089 <HTML><HEAD></HEAD><BODY><P style="margin: 0cm 0cm 0pt;"><STRONG style="font-size: 10.5pt; ">In&nbsp;FreeRTOS and ucos，MPC574XP can't switch tasks when there is floating-point operation</STRONG></P><P style="margin: 0cm 0cm 0pt;"><STRONG style="font-size: 10.5pt; "><SPAN>shows as below</SPAN>，<SPAN>please give your suggest</SPAN></STRONG></P><P style="margin: 0cm 0cm 0pt;"><STRONG style="font-size: 10.5pt; ">&nbsp;</STRONG></P><P><STRONG><STRONG style="font-size: 10.5pt; ">1、FreeRTOS &nbsp;some volitale variable memory is unexpectedly changed.</STRONG></STRONG></P><P><STRONG style="font-size: 10.5pt; "></STRONG></P><P><SPAN style="font-size: 10.5pt;">SDK use this one</SPAN></P><P></P><P><SPAN style="font-size: 10.5pt;"><span class="lia-inline-image-display-wrapper" image-alt="1.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/86347i4C7C460F264898B7/image-size/large?v=v2&amp;px=999" role="button" title="1.png" alt="1.png" /></span></SPAN></P><P style="margin: 0cm 0cm 0pt;"><STRONG style="font-size: 10.5pt; ">2, in ucosii, Error shows as the following screenshot</STRONG></P><P style="margin: 0cm 0cm 0pt;"><SPAN style="font-size: 10.5pt;">&nbsp;<span class="lia-inline-image-display-wrapper" image-alt="2.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/86224iBD528E695CC51187/image-size/large?v=v2&amp;px=999" role="button" title="2.png" alt="2.png" /></span></SPAN></P><P style="margin: 0cm 0cm 0pt;"><STRONG style="font-size: 10.5pt; ">&nbsp;</STRONG></P><P style="margin: 0cm 0cm 0pt;"><STRONG style="font-size: 10.5pt; ">&nbsp;<span class="lia-inline-image-display-wrapper" image-alt="3.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/86257iF8B6259B453E0459/image-size/large?v=v2&amp;px=999" role="button" title="3.png" alt="3.png" /></span><span class="lia-inline-image-display-wrapper" image-alt="4.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/86302iCD67861AA832EE96/image-size/large?v=v2&amp;px=999" role="button" title="4.png" alt="4.png" /></span></STRONG></P><P style="margin: 0cm 0cm 0pt;"><STRONG style="font-size: 10.5pt; ">We judged that the register push and out stack incorrectly</STRONG><STRONG style="font-size: 10.5pt; ">， <SPAN>when the floating-point hardware unit switch task.</SPAN></STRONG></P><P style="margin: 0cm 0cm 0pt;"><STRONG style="font-size: 10.5pt; ">&nbsp;</STRONG></P><P style="margin: 0cm 0cm 0pt;"><STRONG style="font-size: 10.5pt; ">3</STRONG><STRONG style="font-size: 10.5pt; ">、<SPAN>The ucosii reference project is generated by a tool <SPAN style="font-size: 12pt;"><EM>MPC5XXX_EEE_Driver</EM></SPAN>. Is this tool updated</SPAN>？</STRONG></P><P style="margin: 0cm 0cm 0pt;"><STRONG style="font-size: 10.5pt; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</STRONG></P></BODY></HTML> Tue, 30 Jul 2019 04:28:39 GMT darcyxu 2019-07-30T04:28:39Z MPC574XP can't switch tasks when there is floating-point operation https://community.nxp.com/t5/S32-SDK/MPC574XP-can-t-switch-tasks-when-there-is-floating-point/m-p/924585#M1089 <HTML><HEAD></HEAD><BODY><P style="margin: 0cm 0cm 0pt;"><STRONG style="font-size: 10.5pt; ">In&nbsp;FreeRTOS and ucos，MPC574XP can't switch tasks when there is floating-point operation</STRONG></P><P style="margin: 0cm 0cm 0pt;"><STRONG style="font-size: 10.5pt; "><SPAN>shows as below</SPAN>，<SPAN>please give your suggest</SPAN></STRONG></P><P style="margin: 0cm 0cm 0pt;"><STRONG style="font-size: 10.5pt; ">&nbsp;</STRONG></P><P><STRONG><STRONG style="font-size: 10.5pt; ">1、FreeRTOS &nbsp;some volitale variable memory is unexpectedly changed.</STRONG></STRONG></P><P><STRONG style="font-size: 10.5pt; "></STRONG></P><P><SPAN style="font-size: 10.5pt;">SDK use this one</SPAN></P><P></P><P><SPAN style="font-size: 10.5pt;"><span class="lia-inline-image-display-wrapper" image-alt="1.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/86347i4C7C460F264898B7/image-size/large?v=v2&amp;px=999" role="button" title="1.png" alt="1.png" /></span></SPAN></P><P style="margin: 0cm 0cm 0pt;"><STRONG style="font-size: 10.5pt; ">2, in ucosii, Error shows as the following screenshot</STRONG></P><P style="margin: 0cm 0cm 0pt;"><SPAN style="font-size: 10.5pt;">&nbsp;<span class="lia-inline-image-display-wrapper" image-alt="2.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/86224iBD528E695CC51187/image-size/large?v=v2&amp;px=999" role="button" title="2.png" alt="2.png" /></span></SPAN></P><P style="margin: 0cm 0cm 0pt;"><STRONG style="font-size: 10.5pt; ">&nbsp;</STRONG></P><P style="margin: 0cm 0cm 0pt;"><STRONG style="font-size: 10.5pt; ">&nbsp;<span class="lia-inline-image-display-wrapper" image-alt="3.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/86257iF8B6259B453E0459/image-size/large?v=v2&amp;px=999" role="button" title="3.png" alt="3.png" /></span><span class="lia-inline-image-display-wrapper" image-alt="4.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/86302iCD67861AA832EE96/image-size/large?v=v2&amp;px=999" role="button" title="4.png" alt="4.png" /></span></STRONG></P><P style="margin: 0cm 0cm 0pt;"><STRONG style="font-size: 10.5pt; ">We judged that the register push and out stack incorrectly</STRONG><STRONG style="font-size: 10.5pt; ">， <SPAN>when the floating-point hardware unit switch task.</SPAN></STRONG></P><P style="margin: 0cm 0cm 0pt;"><STRONG style="font-size: 10.5pt; ">&nbsp;</STRONG></P><P style="margin: 0cm 0cm 0pt;"><STRONG style="font-size: 10.5pt; ">3</STRONG><STRONG style="font-size: 10.5pt; ">、<SPAN>The ucosii reference project is generated by a tool <SPAN style="font-size: 12pt;"><EM>MPC5XXX_EEE_Driver</EM></SPAN>. Is this tool updated</SPAN>？</STRONG></P><P style="margin: 0cm 0cm 0pt;"><STRONG style="font-size: 10.5pt; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</STRONG></P></BODY></HTML> Tue, 30 Jul 2019 04:28:39 GMT https://community.nxp.com/t5/S32-SDK/MPC574XP-can-t-switch-tasks-when-there-is-floating-point/m-p/924585#M1089 darcyxu 2019-07-30T04:28:39Z