xst.xmsgs

如何使用ISE和FPGA使用指南里面附带许多实验

<msg type="warning" file="Xst" num="2591" delta="unknown" ><arg fmt="%s" index="1">&quot;C:/training/desperf/labs/chipscope/vhdl/control.vhd&quot; line 201:</arg> <arg fmt="%s" index="2">attribute on instance</arg> &lt;<arg fmt="%s" index="3">INIT_3C</arg>&gt; overrides <arg fmt="%s" index="4">generic/parameter on component</arg>. It is possible that simulator will not take this attribute into account.
</msg>

<msg type="warning" file="Xst" num="2591" delta="unknown" ><arg fmt="%s" index="1">&quot;C:/training/desperf/labs/chipscope/vhdl/control.vhd&quot; line 201:</arg> <arg fmt="%s" index="2">attribute on instance</arg> &lt;<arg fmt="%s" index="3">INIT_3D</arg>&gt; overrides <arg fmt="%s" index="4">generic/parameter on component</arg>. It is possible that simulator will not take this attribute into account.
</msg>

<msg type="warning" file="Xst" num="2591" delta="unknown" ><arg fmt="%s" index="1">&quot;C:/training/desperf/labs/chipscope/vhdl/control.vhd&quot; line 201:</arg> <arg fmt="%s" index="2">attribute on instance</arg> &lt;<arg fmt="%s" index="3">INIT_3E</arg>&gt; overrides <arg fmt="%s" index="4">generic/parameter on component</arg>. It is possible that simulator will not take this attribute into account.
</msg>

<msg type="warning" file="Xst" num="2591" delta="unknown" ><arg fmt="%s" index="1">&quot;C:/training/desperf/labs/chipscope/vhdl/control.vhd&quot; line 201:</arg> <arg fmt="%s" index="2">attribute on instance</arg> &lt;<arg fmt="%s" index="3">INIT_3F</arg>&gt; overrides <arg fmt="%s" index="4">generic/parameter on component</arg>. It is possible that simulator will not take this attribute into account.
</msg>

<msg type="warning" file="Xst" num="2591" delta="unknown" ><arg fmt="%s" index="1">&quot;C:/training/desperf/labs/chipscope/vhdl/control.vhd&quot; line 201:</arg> <arg fmt="%s" index="2">attribute on instance</arg> &lt;<arg fmt="%s" index="3">INITP_00</arg>&gt; overrides <arg fmt="%s" index="4">generic/parameter on component</arg>. It is possible that simulator will not take this attribute into account.
</msg>

<msg type="warning" file="Xst" num="2591" delta="unknown" ><arg fmt="%s" index="1">&quot;C:/training/desperf/labs/chipscope/vhdl/control.vhd&quot; line 201:</arg> <arg fmt="%s" index="2">attribute on instance</arg> &lt;<arg fmt="%s" index="3">INITP_01</arg>&gt; overrides <arg fmt="%s" index="4">generic/parameter on component</arg>. It is possible that simulator will not take this attribute into account.
</msg>

<msg type="warning" file="Xst" num="2591" delta="unknown" ><arg fmt="%s" index="1">&quot;C:/training/desperf/labs/chipscope/vhdl/control.vhd&quot; line 201:</arg> <arg fmt="%s" index="2">attribute on instance</arg> &lt;<arg fmt="%s" index="3">INITP_02</arg>&gt; overrides <arg fmt="%s" index="4">generic/parameter on component</arg>. It is possible that simulator will not take this attribute into account.
</msg>

<msg type="warning" file="Xst" num="2591" delta="unknown" ><arg fmt="%s" index="1">&quot;C:/training/desperf/labs/chipscope/vhdl/control.vhd&quot; line 201:</arg> <arg fmt="%s" index="2">attribute on instance</arg> &lt;<arg fmt="%s" index="3">INITP_03</arg>&gt; overrides <arg fmt="%s" index="4">generic/parameter on component</arg>. It is possible that simulator will not take this attribute into account.
</msg>

<msg type="warning" file="Xst" num="2591" delta="unknown" ><arg fmt="%s" index="1">&quot;C:/training/desperf/labs/chipscope/vhdl/control.vhd&quot; line 201:</arg> <arg fmt="%s" index="2">attribute on instance</arg> &lt;<arg fmt="%s" index="3">INITP_04</arg>&gt; overrides <arg fmt="%s" index="4">generic/parameter on component</arg>. It is possible that simulator will not take this attribute into account.
</msg>

<msg type="warning" file="Xst" num="2591" delta="unknown" ><arg fmt="%s" index="1">&quot;C:/training/desperf/labs/chipscope/vhdl/control.vhd&quot; line 201:</arg> <arg fmt="%s" index="2">attribute on instance</arg> &lt;<arg fmt="%s" index="3">INITP_05</arg>&gt; overrides <arg fmt="%s" index="4">generic/parameter on component</arg>. It is possible that simulator will not take this attribute into account.
</msg>

<msg type="warning" file="Xst" num="2591" delta="unknown" ><arg fmt="%s" index="1">&quot;C:/training/desperf/labs/chipscope/vhdl/control.vhd&quot; line 201:</arg> <arg fmt="%s" index="2">attribute on instance</arg> &lt;<arg fmt="%s" index="3">INITP_06</arg>&gt; overrides <arg fmt="%s" index="4">generic/parameter on component</arg>. It is possible that simulator will not take this attribute into account.
</msg>

<msg type="warning" file="Xst" num="2591" delta="unknown" ><arg fmt="%s" index="1">&quot;C:/training/desperf/labs/chipscope/vhdl/control.vhd&quot; line 201:</arg> <arg fmt="%s" index="2">attribute on instance</arg> &lt;<arg fmt="%s" index="3">INITP_07</arg>&gt; overrides <arg fmt="%s" index="4">generic/parameter on component</arg>. It is possible that simulator will not take this attribute into account.
</msg>

<msg type="info" file="Xst" num="1561" delta="unknown" >&quot;<arg fmt="%s" index="1">C:/training/desperf/labs/chipscope/vhdl/s3esk_startup.vhd</arg>&quot; line <arg fmt="%d" index="2">373</arg>: Mux is complete : default of case is discarded
</msg>

<msg type="info" file="Xst" num="2679" delta="unknown" >Register &lt;<arg fmt="%s" index="1">rotary_left</arg>&gt; in unit &lt;<arg fmt="%s" index="2">s3esk_startup</arg>&gt; has a constant value of <arg fmt="%s" index="3">1</arg> during circuit operation. The register is replaced by logic.
</msg>

<msg type="warning" file="Xst" num="1961" delta="unknown" >The length of the hex value for the attribute <arg fmt="%s" index="1">INIT</arg> on instance <arg fmt="%s" index="2">arith_loop[7].msb_arith.arith_carry_out_lut</arg> should be <arg fmt="%d" index="3">2</arg> bits long. The current value set is <arg fmt="%d" index="4">4</arg> bits long.  Value has been truncated
</msg>

<msg type="warning" file="Xst" num="1961" delta="unknown" >The length of the hex value for the attribute <arg fmt="%s" index="1">INIT_A</arg> on instance <arg fmt="%s" index="2">ram_1024_x_18</arg> should be <arg fmt="%d" index="3">9</arg> bits long. The current value set is <arg fmt="%d" index="4">12</arg> bits long.  Value has been truncated
</msg>

<msg type="warning" file="Xst" num="1961" delta="unknown" >The length of the hex value for the attribute <arg fmt="%s" index="1">INIT_B</arg> on instance <arg fmt="%s" index="2">ram_1024_x_18</arg> should be <arg fmt="%d" index="3">18</arg> bits long. The current value set is <arg fmt="%d" index="4">20</arg> bits long.  Value has been truncated
</msg>

<msg type="warning" file="Xst" num="1961" delta="unknown" >The length of the hex value for the attribute <arg fmt="%s" index="1">SRVAL_A</arg> on instance <arg fmt="%s" index="2">ram_1024_x_18</arg> should be <arg fmt="%d" index="3">9</arg> bits long. The current value set is <arg fmt="%d" index="4">12</arg> bits long.  Value has been truncated
</msg>

<msg type="warning" file="Xst" num="1961" delta="unknown" >The length of the hex value for the attribute <arg fmt="%s" index="1">SRVAL_B</arg> on instance <arg fmt="%s" index="2">ram_1024_x_18</arg> should be <arg fmt="%d" index="3">18</arg> bits long. The current value set is <arg fmt="%d" index="4">20</arg> bits long.  Value has been truncated
</msg>

<msg type="warning" file="Xst" num="646" delta="unknown" >Signal &lt;<arg fmt="%s" index="1">doa</arg>&gt; is assigned but never used.
</msg>

<msg type="warning" file="Xst" num="646" delta="unknown" >Signal &lt;<arg fmt="%s" index="1">dopa&lt;0&gt;</arg>&gt; is assigned but never used.
</msg>

<msg type="warning" file="Xst" num="646" delta="unknown" >Signal &lt;<arg fmt="%s" index="1">read_strobe</arg>&gt; is assigned but never used.
</msg>

<msg type="warning" file="Xst" num="646" delta="unknown" >Signal &lt;<arg fmt="%s" index="1">shift</arg>&gt; is assigned but never used.
</msg>

<msg type="warning" file="Xst" num="646" delta="unknown" >Signal &lt;<arg fmt="%s" index="1">drck2</arg>&gt; is assigned but never used.
</msg>

<msg type="warning" file="Xst" num="646" delta="unknown" >Signal &lt;<arg fmt="%s" index="1">reset</arg>&gt; is assigned but never used.
</msg>

<msg type="warning" file="Xst" num="646" delta="unknown" >Signal &lt;<arg fmt="%s" index="1">port_id&lt;5:2&gt;</arg>&gt; is assigned but never used.
</msg>

<msg type="warning" file="Xst" num="646" delta="unknown" >Signal &lt;<arg fmt="%s" index="1">rotary_q2</arg>&gt; is assigned but never used.
</msg>

<msg type="warning" file="Xst" num="653" delta="unknown" >Signal &lt;<arg fmt="%s" index="1">tdo2</arg>&gt; is used but never assigned. Tied to value <arg fmt="%s" index="2">0</arg>.
</msg>

<msg type="warning" file="Xst" num="1780" delta="unknown" >Signal &lt;<arg fmt="%s" index="1">gnd</arg>&gt; is never used or assigned.
</msg>

<msg type="warning" file="Xst" num="646" delta="unknown" >Signal &lt;<arg fmt="%s" index="1">capture</arg>&gt; is assigned but never used.
</msg>

<msg type="warning" file="Xst" num="646" delta="unknown" >Signal &lt;<arg fmt="%s" index="1">sel2</arg>&gt; is assigned but never used.
</msg>

<msg type="info" file="Xst" num="2169" delta="unknown" >HDL ADVISOR - Some clock signals were not automatically buffered by XST with BUFG/BUFR resources. Please use the buffer_type constraint in order to insert these buffers to the clock signals to help prevent skew problems.
</msg>

</messages>