xst.xmsgs

arm控制FPGA的DDR测试代码

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<messages>
<msg type="warning" file="Xst" num="916" delta="unknown" >&quot;<arg fmt="%s" index="1">ddr_cntl_a_s3_ddr_iob.v</arg>&quot; line <arg fmt="%d" index="2">56</arg>: Delay is ignored for synthesis.
</msg>

<msg type="warning" file="Xst" num="916" delta="unknown" >&quot;<arg fmt="%s" index="1">ddr_cntl_a_s3_ddr_iob.v</arg>&quot; line <arg fmt="%d" index="2">55</arg>: Delay is ignored for synthesis.
</msg>

<msg type="warning" file="Xst" num="2321" delta="unknown" >&quot;<arg fmt="%s" index="1">ddr_cntl_a_cmp_data_0.v</arg>&quot; line <arg fmt="%d" index="2">157</arg>: Parameter <arg fmt="%d" index="3">1</arg> (<arg fmt="%s" index="4">$time</arg>) is not supported in call of system task <arg fmt="%s" index="5">$display</arg>.
</msg>

<msg type="warning" file="Xst" num="2323" delta="unknown" >&quot;<arg fmt="%s" index="1">ddr_cntl_a_cmp_data_0.v</arg>&quot; line <arg fmt="%d" index="2">157</arg>: Parameter <arg fmt="%d" index="3">3</arg> is not constant in call of system task <arg fmt="%s" index="4">$display</arg>.
</msg>

<msg type="warning" file="Xst" num="2323" delta="unknown" >&quot;<arg fmt="%s" index="1">ddr_cntl_a_cmp_data_0.v</arg>&quot; line <arg fmt="%d" index="2">157</arg>: Parameter <arg fmt="%d" index="3">4</arg> is not constant in call of system task <arg fmt="%s" index="4">$display</arg>.
</msg>

<msg type="warning" file="Xst" num="2185" delta="unknown" >&quot;<arg fmt="%s" index="1">ddr_cntl_a_clk_dcm.v</arg>&quot; line <arg fmt="%d" index="2">49</arg>: Possible simulation mismatch on property &lt;<arg fmt="%s" index="3">DLL_FREQUENCY_MODE</arg>&gt; of instance &lt;<arg fmt="%s" index="4">DCM_INST1</arg>&gt; set by attribute.
</msg>

<msg type="warning" file="Xst" num="2185" delta="unknown" >&quot;<arg fmt="%s" index="1">ddr_cntl_a_clk_dcm.v</arg>&quot; line <arg fmt="%d" index="2">49</arg>: Possible simulation mismatch on property &lt;<arg fmt="%s" index="3">DUTY_CYCLE_CORRECTION</arg>&gt; of instance &lt;<arg fmt="%s" index="4">DCM_INST1</arg>&gt; set by attribute.
</msg>

<msg type="info" file="Xst" num="1304" delta="unknown" >Contents of register &lt;<arg fmt="%s" index="1">wrburst_end_9</arg>&gt; in unit &lt;<arg fmt="%s" index="2">ddr_cntl_a_controller_0</arg>&gt; never changes during circuit operation. The register is replaced by logic.
</msg>

<msg type="warning" file="Xst" num="647" delta="unknown" >Input &lt;<arg fmt="%s" index="1">rst</arg>&gt; is never used.
</msg>

<msg type="warning" file="Xst" num="647" delta="unknown" >Input &lt;<arg fmt="%s" index="1">u_data_val</arg>&gt; is never used.
</msg>

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

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

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

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

<msg type="info" file="Xst" num="1799" delta="unknown" >State <arg fmt="%s" index="1">0100</arg> is never reached in FSM &lt;<arg fmt="%s" index="2">next_state</arg>&gt;.
</msg>

<msg type="info" file="Xst" num="1799" delta="unknown" >State <arg fmt="%s" index="1">0111</arg> is never reached in FSM &lt;<arg fmt="%s" index="2">next_state</arg>&gt;.
</msg>

<msg type="info" file="Xst" num="1799" delta="unknown" >State <arg fmt="%s" index="1">0110</arg> is never reached in FSM &lt;<arg fmt="%s" index="2">next_state</arg>&gt;.
</msg>

<msg type="info" file="Xst" num="1799" delta="unknown" >State <arg fmt="%s" index="1">1001</arg> is never reached in FSM &lt;<arg fmt="%s" index="2">next_state</arg>&gt;.
</msg>

<msg type="info" file="Xst" num="1799" delta="unknown" >State <arg fmt="%s" index="1">1011</arg> is never reached in FSM &lt;<arg fmt="%s" index="2">next_state</arg>&gt;.
</msg>

<msg type="info" file="Xst" num="1799" delta="unknown" >State <arg fmt="%s" index="1">1010</arg> is never reached in FSM &lt;<arg fmt="%s" index="2">next_state</arg>&gt;.
</msg>

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

<msg type="warning" file="Xst" num="647" delta="unknown" >Input &lt;<arg fmt="%s" index="1">write_en_val1</arg>&gt; is never used.
</msg>

<msg type="warning" file="Xst" num="647" delta="unknown" >Input &lt;<arg fmt="%s" index="1">clk90</arg>&gt; is never used.
</msg>

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

<msg type="warning" file="Xst" num="647" delta="unknown" >Input &lt;<arg fmt="%s" index="1">reset270_r</arg>&gt; is never used.
</msg>

<msg type="warning" file="Xst" num="647" delta="unknown" >Input &lt;<arg fmt="%s" index="1">reset90_r</arg>&gt; is never used.
</msg>

<msg type="warning" file="Xst" num="646" delta="unknown" >Signal &lt;<arg fmt="%s" index="1">write_en_P3</arg>&gt; is assigned but never used.
</msg>

<msg type="warning" file="Xst" num="646" delta="unknown" >Signal &lt;<arg fmt="%s" index="1">write_data_m270_3</arg>&gt; is assigned but never used.
</msg>

<msg type="warning" file="Xst" num="646" delta="unknown" >Signal &lt;<arg fmt="%s" index="1">write_data270_3</arg>&gt; is assigned but never used.
</msg>

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

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

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

<msg type="warning" file="Xst" num="1780" delta="unknown" >Signal &lt;<arg fmt="%s" index="1">rst_dqs_delay_2_n_1</arg>&gt; is never used or assigned.
</msg>

<msg type="warning" file="Xst" num="1780" delta="unknown" >Signal &lt;<arg fmt="%s" index="1">write_data270_1</arg>&gt; is never used or assigned.
</msg>

<msg type="warning" file="Xst" num="1780" delta="unknown" >Signal &lt;<arg fmt="%s" index="1">write_data270_2</arg>&gt; is never used or assigned.
</msg>

<msg type="warning" file="Xst" num="1780" delta="unknown" >Signal &lt;<arg fmt="%s" index="1">rst_dqs_delay_3_n_1</arg>&gt; is never used or assigned.
</msg>

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

<msg type="warning" file="Xst" num="1780" delta="unknown" >Signal &lt;<arg fmt="%s" index="1">rst_dqs_delay_0_n_1</arg>&gt; is never used or assigned.
</msg>

<msg type="warning" file="Xst" num="1780" delta="unknown" >Signal &lt;<arg fmt="%s" index="1">rst_dqs_delay_1_n_1</arg>&gt; is never used or assigned.
</msg>

<msg type="warning" file="Xst" num="646" delta="unknown" >Signal &lt;<arg fmt="%s" index="1">read_valid_data_1_r2</arg>&gt; is assigned but never used.
</msg>

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