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https://opencores.org/ocsvn/neorv32/neorv32/trunk
[/] [neorv32/] [trunk/] [rtl/] [core/] [neorv32_cpu_control.vhd] - Diff between revs 20 and 21
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| Rev 20 |
Rev 21 |
| Line 678... |
Line 678... |
execute_engine.i_reg_nxt <= ipb.rdata(31 downto 0);
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execute_engine.i_reg_nxt <= ipb.rdata(31 downto 0);
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execute_engine.if_rst_nxt <= '0';
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execute_engine.if_rst_nxt <= '0';
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if (execute_engine.if_rst = '0') then -- if there was no non-linear PC modification
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if (execute_engine.if_rst = '0') then -- if there was no non-linear PC modification
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execute_engine.pc_nxt <= execute_engine.next_pc;
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execute_engine.pc_nxt <= execute_engine.next_pc;
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end if;
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end if;
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-- ipb.rdata(35) (invalid decompressed instruction) is not immediately checked here!
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--
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if (execute_engine.sleep = '1') or (trap_ctrl.env_start = '1') or ((ipb.rdata(33) or ipb.rdata(34)) = '1') then
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if (execute_engine.sleep = '1') or (trap_ctrl.env_start = '1') or ((ipb.rdata(33) or ipb.rdata(34)) = '1') then
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execute_engine.state_nxt <= TRAP;
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execute_engine.state_nxt <= TRAP;
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else
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else
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execute_engine.state_nxt <= EXECUTE;
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execute_engine.state_nxt <= EXECUTE;
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end if;
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end if;
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