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Fix combination loop in icb_claim_irq and icb_complete_irq. #28

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Fix combination loop in icb_claim_irq and icb_complete_irq. #28

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9 changes: 4 additions & 5 deletions rtl/e203/perips/sirv_plic_man.v
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Original file line number Diff line number Diff line change
Expand Up @@ -413,8 +413,8 @@ localparam PLIC_PEND_ARRAY = (((PLIC_IRQ_NUM-1)/32) + 1);
end//}

//
//0x0C00 1000 Start of target 0 enable array
//0x0C00 107C End of target 0 enable array
//0x0C00 2000 Start of target 0 enable array
//0x0C00 207C End of target 0 enable array
//.... target 1
//.... target 2
for(i=0; i<(PLIC_PEND_ARRAY);i=i+1) begin: sel_enab_i//{
Expand Down Expand Up @@ -504,7 +504,6 @@ localparam PLIC_PEND_ARRAY = (((PLIC_IRQ_NUM-1)/32) + 1);
endgenerate



generate
//
for(i=0; i<PLIC_IRQ_NUM;i=i+1) begin: claim_complete_gen//{
Expand All @@ -514,9 +513,9 @@ localparam PLIC_PEND_ARRAY = (((PLIC_IRQ_NUM-1)/32) + 1);
icb_complete_irq[i] = 1'b0;

// The read data (claimed ID) is equal to the interrupt source ID
icb_claim_irq [i] = icb_claim_irq[i] | ((icb_rsp_rdata == i) & icb_cmd_sel_clam & icb_cmd_rd_hsked);
icb_claim_irq [i] = ((icb_rsp_rdata == i) & icb_cmd_sel_clam & icb_cmd_rd_hsked);
// The write data (complete ID) is equal to the interrupt source ID
icb_complete_irq[i] = icb_complete_irq[i] | ((icb_cmd_wdata[PLIC_IRQ_NUM_LOG2-1:0] == i) & icb_cmd_sel_clam & icb_cmd_wr_hsked);
icb_complete_irq[i] = ((icb_cmd_wdata[PLIC_IRQ_NUM_LOG2-1:0] == i) & icb_cmd_sel_clam & icb_cmd_wr_hsked);

end//}

Expand Down