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# $Id: w11a_tb_guide.txt 317 2010-07-22 19:36:56Z mueller $
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# $Id: w11a_tb_guide.txt 352 2011-01-02 13:01:37Z mueller $
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Guide to running w11a test benches
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Guide to running w11a test benches
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Table of content:
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Table of content:
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- serport receiver test
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- serport receiver test
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cd $RETROBASE/rtl/vlib/serport/tb
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cd $RETROBASE/rtl/vlib/serport/tb
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make tb_serport_uart_rx
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make tb_serport_uart_rx
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time tbw tb_serport_uart_rx |\
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time tbw tb_serport_uart_rx |\
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tee tb_serport_uart_rx_dsim.log | egrep "(FAIL|DONE)"
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tee tb_serport_uart_rx_dsim.log | egrep "(FAIL|DONE)"
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-> 1269955 ns 63488: DONE
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-> 1269955.0 ns 63488: DONE
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-> real 0m1.178s user 0m1.172s sys 0m0.020s
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- serport receiver/transmitter test
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- serport receiver/transmitter test
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make tb_serport_uart_rxtx
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make tb_serport_uart_rxtx
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time tbw tb_serport_uart_rxtx |\
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time tbw tb_serport_uart_rxtx |\
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tee tb_serport_uart_rxtx_dsim.log | egrep "(FAIL|DONE)"
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tee tb_serport_uart_rxtx_dsim.log | egrep "(FAIL|DONE)"
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-> 52335 ns 2607: DONE
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-> 52335.0 ns 2607: DONE
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-> real 0m0.094s user 0m0.092s sys 0m0.008s
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- serport autobauder test
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- serport autobauder test
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make tb_serport_autobaud
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make tb_serport_autobaud
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time tbw tb_serport_autobaud |\
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time tbw tb_serport_autobaud |\
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tee tb_serport_autobaud_dsim.log | egrep "(FAIL|DONE)"
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tee tb_serport_autobaud_dsim.log | egrep "(FAIL|DONE)"
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-> 367475 ns 18364: DONE
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-> 367475.0 ns 18364: DONE
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-> real 0m0.610s user 0m0.612s sys 0m0.004s
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- rri core test
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- rlink core test
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cd $RETROBASE/rtl/vlib/rri/tb
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cd $RETROBASE/rtl/vlib/rlink/tb
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make tb_rri_core
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make tb_rlink_direct
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time tbw tb_rri_core |\
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time tbw tb_rlink_direct |\
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tee tb_rri_core_dsim.log | egrep "(FAIL|DONE)"
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tee tb_rlink_direct_dsim.log | egrep "(FAIL|DONE)"
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-> 61855 ns 3083: DONE
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-> 142355.0 ns 7108: DONE
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-> real 0m0.163s user 0m0.128s sys 0m0.020s
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-> real 0m0.317s user 0m0.324s sys 0m0.028s
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- rri core test via serial port interface
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- rlink core test via serial port interface
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make tb_rri_serport
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make tb_rlink_serport
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time tbw tb_rri_serport |\
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time tbw tb_rlink_serport tb_rlink_serport_stim.dat |\
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tee tb_rri_serport_dsim.log | egrep "(FAIL|DONE)"
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tee tb_rlink_serport_stim2_dsim.log | egrep "(FAIL|DONE)"
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-> 273355 ns 13658: DONE
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-> 72735.0 ns 3627: DONE
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-> real 0m0.939s user 0m0.924s sys 0m0.008s
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-> real 0m0.266s user 0m0.264s sys 0m0.008s
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time tbw tb_rlink_serport tb_rlink_stim.dat |\
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tee tb_rlink_serport_dsim.log | egrep "(FAIL|DONE)"
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-> 536155.0 ns 26798: DONE
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-> real 0m1.714s user 0m1.704s sys 0m0.044s
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- w11a core test (using behavioural model)
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- w11a core test (using behavioural model)
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cd $RETROBASE/rtl/w11a/tb
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cd $RETROBASE/rtl/w11a/tb
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make tb_pdp11_core
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make tb_pdp11core
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time tbw tb_pdp11_core |\
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time tbw tb_pdp11core |\
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tee tb_pdp11_core_dsim.log | egrep "(FAIL|DONE)"
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tee tb_pdp11core_dsim.log | egrep "(FAIL|DONE)"
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-> 1220255 ns 61003: DONE
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-> 1220255.0 ns 61003: DONE
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-> real 0m14.964s user 0m14.977s sys 0m0.108s
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-> real 0m10.736s user 0m10.713s sys 0m0.060s
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- w11a core test (using post-synthesis model)
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- w11a core test (using post-synthesis model)
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make ghdl_tmp_clean tb_pdp11_core_ssim
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make ghdl_tmp_clean tb_pdp11core_ssim
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time tbw tb_pdp11_core_ssim |\
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time tbw tb_pdp11core_ssim |\
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tee tb_pdp11_core_ssim.log | egrep "(FAIL|DONE)"
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tee tb_pdp11core_ssim.log | egrep "(FAIL|DONE)"
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-> 1220255 ns 61003: DONE
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-> 1220255.0 ns 61003: DONE
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-> real 1m8.230s user 1m8.144s sys 0m0.124s
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-> real 1m9.738s user 1m9.588s sys 0m0.096s
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3. System tests benches ---------------------------------------------------
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3. System tests benches ---------------------------------------------------
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The system tests allow to verify to verify the full 11/70 SoC design.
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The system tests allow to verify to verify the full 11/70 SoC design.
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In this case vhdl test bench code contains
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In this case vhdl test bench code contains
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- (simple) models of the memories used on the FPGA boards
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- (simple) models of the memories used on the FPGA boards
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- drivers for the rri connection (currently just serialport)
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- drivers for the rlink connection (currently just serialport)
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- code to interface the rri data stream to a UNIX 'named pipe',
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- code to interface the rlink data stream to a UNIX 'named pipe',
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implemented with a C routine which is called via VHPI from VHDL.
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implemented with a C routine which is called via VHPI from VHDL.
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This way the whole ghdl simulation can be controlled via a di-directional
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This way the whole ghdl simulation can be controlled via a di-directional
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byte stream.
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byte stream.
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The rri backend process, currently a perl script named pi_rri, can connect
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The rlink backend process, currently a perl script named pi_rri, can connect
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either via a named pipe to a ghdl simulation, or via a serial port to a
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either via a named pipe to a ghdl simulation, or via a serial port to a
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FPGA board. This way the same tests can be executed in simulation and
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FPGA board. This way the same tests can be executed in simulation and
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on real hardware.
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on real hardware.
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4. Available system tests benches -----------------------------------------
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4. Available system tests benches -----------------------------------------
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The stimulus file used in the w11a core test can be executed in the
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The stimulus file used in the w11a core test can be executed in the
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full system context (both s3board and nexys2 versions) with the
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full system context (both s3board and nexys2 versions) with the
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following commands. Note that the cycle number printed in the DONE
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following commands. Note that the cycle number printed in the DONE
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line can now vary slightly because the response time of the rri
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line can now vary slightly because the response time of the rlink
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backend process and thus scheduling of backend vs. ghdl process
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backend process and thus scheduling of backend vs. ghdl process
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can affect the result.
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can affect the result.
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- sys_w11a_s3 system test
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- sys_w11a_s3 system test
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cd $RETROBASE/rtl/sys_gen/w11a/s3board/tb
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cd $RETROBASE/rtl/sys_gen/w11a/s3board/tb
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make tb_w11a_s3
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make tb_w11a_s3
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time pi_rri --fifo --timeout=40. --cmax=3 \
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time pi_rri --fifo --timeout=40. --cmax=3 \
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--run="tbw tb_w11a_s3" -- \
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--run="tbw tb_w11a_s3" -- \
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@../../../../w11a/tb/tb_pdp11_core_stim.dat |\
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@../../../../w11a/tb/tb_pdp11core_stim.dat |\
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tee tb_w11a_s3_stim2_dsim.log | egrep "(-[EW]:|FAIL|PEND|DONE)"
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tee tb_w11a_s3_stim2_dsim.log | egrep "(-[EW]:|FAIL|PEND|DONE)"
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-> 7766215 ns 388301: DONE
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-> 7757655.0 ns 387873: DONE
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-> real 0m51.300s user 0m51.711s sys 0m0.772s
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-> real 0m49.835s user 0m50.203s sys 0m0.696s
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- sys_w11a_n2 system test
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- sys_w11a_n2 system test
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cd $RETROBASE/rtl/sys_gen/w11a/nexys2/tb
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cd $RETROBASE/rtl/sys_gen/w11a/nexys2/tb
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make tb_w11a_n2
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make tb_w11a_n2
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time pi_rri --fifo --timeout=40. --cmax=3 \
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time pi_rri --fifo --timeout=40. --cmax=3 \
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--run="tbw tb_w11a_n2" -- \
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--run="tbw tb_w11a_n2" -- \
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@../../../../w11a/tb/tb_pdp11_core_stim.dat |\
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@../../../../w11a/tb/tb_pdp11core_stim.dat |\
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tee tb_w11a_n2_stim2_dsim.log | egrep "(-[EW]:|FAIL|PEND|DONE)"
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tee tb_w11a_n2_stim2_dsim.log | egrep "(-[EW]:|FAIL|PEND|DONE)"
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-> 7766855 ns 388333: DONE
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-> 6673237.2 ns 387035: DONE
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-> real 0m51.243s user 0m51.647s sys 0m0.776s
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-> real 0m56.173s user 0m56.612s sys 0m0.604s
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-> real 0m56.173s user 0m56.612s sys 0m0.604s
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-> real 0m56.173s user 0m56.612s sys 0m0.604s
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