From e81d84541c048deb4bafc7549e3feefc20482daa Mon Sep 17 00:00:00 2001 From: Alejandro Soto Date: Mon, 17 Oct 2022 01:39:00 -0600 Subject: Break sub-100MHz critical path involving wb_alu_flags --- conspiracion.qsf | 3 ++- rtl/core/control/control.sv | 2 +- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/conspiracion.qsf b/conspiracion.qsf index b6b7587..bb744e3 100644 --- a/conspiracion.qsf +++ b/conspiracion.qsf @@ -252,4 +252,5 @@ set_instance_assignment -name IO_STANDARD "SSTL-15 CLASS I" -to memory_mem_reset set_instance_assignment -name CURRENT_STRENGTH_NEW "MAXIMUM CURRENT" -to memory_mem_reset_n -tag __hps_sdram_p0 set_instance_assignment -name IO_STANDARD "SSTL-15 CLASS I" -to memory_mem_dm -tag __hps_sdram_p0 set_instance_assignment -name OUTPUT_TERMINATION "SERIES 50 OHM WITH CALIBRATION" -to memory_mem_dm -tag __hps_sdram_p0 -set_instance_assignment -name PARTITION_HIERARCHY root_partition -to | -section_id Top + +set_instance_assignment -name PARTITION_HIERARCHY root_partition -to | -section_id Top \ No newline at end of file diff --git a/rtl/core/control/control.sv b/rtl/core/control/control.sv index 1c20535..9e94c3e 100644 --- a/rtl/core/control/control.sv +++ b/rtl/core/control/control.sv @@ -148,6 +148,7 @@ module core_control branch <= 0; writeback <= 0; update_flags <= 0; + wb_alu_flags <= alu_flags; unique case(cycle) TRANSFER: wr_value <= mem_data_rd; @@ -198,7 +199,6 @@ module core_control final_update_flags <= dec_update_flags; end - wb_alu_flags <= alu_flags; update_flags <= final_update_flags; writeback <= final_writeback; rd <= final_rd; -- cgit v1.2.3