hdl: Fix bug in interrupt controller.

Was setting the interrupt source bits regardless of the interrupt mask. Now a source bit is set only if the corresponding mask bit is set.

hdl: Fix bug in interrupt controller.
Was setting the interrupt source bits regardless of the interrupt mask. Now a source bit is set only if the corresponding mask bit is set.
9f8d74a5 · Matthieu Cattin · f02a2fdf · 9f8d74a5
Commit 9f8d74a5 authored Mar 27, 2013 by Matthieu Cattin
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irq_controller.vhd hdl/spec/rtl/irq_controller.vhd +1 -1

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--- a/hdl/spec/rtl/irq_controller.vhd
+++ b/hdl/spec/rtl/irq_controller.vhd
@@ -147,7 +147,7 @@ begin
      for I in 0 to irq_pending'length-1 loop
        if rst_n_i = '0' then
          irq_pending(I) <= '0';
-        elsif irq_src_p_i(I) = '1' then
+        elsif irq_src_p_i(I) = '1' and irq_en_mask(I) = '1' then
          irq_pending(I) <= '1';
        elsif irq_src_rst_en = '1' and irq_src_rst(I) = '1' then
          irq_pending(I) <= '0';