$Id: README.txt 614 2014-12-20 15:00:45Z mueller $
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$Id: README.txt 655 2015-03-04 20:35:21Z mueller $
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Release notes for w11a
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Release notes for w11a
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Table of content:
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Table of content:
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1. Documentation
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1. Documentation
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2. Change Log
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2. Change Log
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1. Documentation -------------------------------------------------------------
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1. Documentation -------------------------------------------------------------
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More detailed information on installation, build and test can be found
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More detailed information on installation, build and test can be found
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in the doc directory, specifically
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in the doc directory, specifically
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* README.txt: release notes
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* README.txt: release notes
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* INSTALL.txt: installation and building test benches and systems
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* INSTALL.txt: installation and building test benches and systems
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* FILES.txt: short description of the directory layout, what is where ?
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* FILES.txt: short description of the directory layout, what is where ?
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* w11a_tb_guide.txt: running test benches
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* w11a_tb_guide.txt: running test benches
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* w11a_os_guide.txt: booting operating systems
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* w11a_os_guide.txt: booting operating systems
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* w11a_known_issues.txt: known differences, limitations and issues
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* w11a_known_issues.txt: known differences, limitations and issues
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2. Change Log ----------------------------------------------------------------
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2. Change Log ----------------------------------------------------------------
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- trunk (2015-03-01: svn rev 29(oc) 655(wfjm); untagged w11a_V0.64) +++++++++
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- Preface
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- The w11 project started on a Spartan-3 based Digilent S3board, and soon
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moved on to a Nexys2 with much better connectivity. Next step was the
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Spartan-6 based Nexys3. Now is time to continue with 7-Series FPGAs.
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- When Vivado started in 2013 it was immediately clear that the architecture
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is far superior to ISE. But tests with the first versions were sobering,
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the w11a design either didn't compile at all, or produced faulty synthesis
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results. In 2014 Vivado matured, and the current version 2014.4 works
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fine with the w11a code base.
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- The original Nexys4 board allowed to quickly port Nexys3 version because
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both have the same memory chip. The newer Nexys4 DDR will be addressed
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later.
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- The BRAM capacity of FPGAs increased significantly over time. The low
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cost Basys3 board with the second smallest Artix-7 (XC7A35T) has 200 KB
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BRAM. That allows to implement a purely BRAM based w11a system with
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176 kB memory. Not enough for 2.11BSD, but for many other less demanding
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OS available for a PDP11.
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- The Nexyx4 and Basys3 have 16 LEDs. Not quite the 'blinking lights'
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console of the classic 11/45 and 11/70, but enough to display the
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well known OS typical light patterns the veterans remember so well.
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- With a new design tool, a new FPGA generation, two new boards, and a
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new interface for the rlink connection that some of the code and tools
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base had to be re-organized.
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- Last but not least: finally access to a bit bigger disks: RL11 support
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- Many changes, some known issues, some rough edges may still lurke around
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- Summary
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- added support for Vivado
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- added support for Nexys4 and Basys3 boards
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- added RL11 disk support
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- lots of documentation updated
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- New features
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- new directory trees for
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- rtl/bplib/basys3 - support for Digilent Basys3 board
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- rtl/bplib/nexys4 - support for Digilent Nexys4 board
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- rtl/make_viv - make includes for Vivado
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- new files
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- tools/bin/xviv_ghdl_unisim - ghdl compile Vivado UNISIM & UNIMACRO libs
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- new modules
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- rtl/ibus/ibdr_rl11 - ibus controller for RL11
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- rtl/vlib/rlink/ioleds_sp1c - io activity leds for rlink+serport_1clk
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- rtl/vlib/xlib
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- s7_cmt_sfs_gsim - Series-7 CMT: simple vhdl model
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- s7_cmt_sfs_unisim - Series-7 CMT: wrapper for UNISIM
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- rtl/w11a
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- pdp11_bram_memctl - simple BRAM based memctl
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- pdp11_dspmux - mux for hio display
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- pdp11_ledmux - mux for hio leds
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- pdp11_statleds - status led generator
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- tools/src/librw11/
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- Rw11*RL11 - classes for RL11 disk handling
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- tools/src/librwxxtpp
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- RtclRw11*RL11 - tcl iface for RL11 disk handling
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- new systems
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- rtl/sys_gen/tst_rlink - rlink tester
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- basys3/sys_tst_rlink_b3 - for Basys3
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- nexys4/sys_tst_rlink_n4 - for Nexys4
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- rtl/sys_gen/tst_serloop - serport loop tester
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- nexys4/sys_tst_serloop_n4 - for Nexys4
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- rtl/sys_gen/tst_snhumanio - human I/O tester
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- basys3/sys_tst_snhumanio_b3 - for Basys3
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- nexys4/sys_tst_snhumanio_n4 - for Nexys4
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- rtl/sys_gen/w11a - w11a
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- basys3/sys_w11a_b3 - small BRAM only (176 kB memory)
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- nexys4/sys_w11a_n4 - with full 4 MB memory using cram
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- new oskits
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- tools/oskit/211bsd_rl - new oskit for 2.11BSD on RL02
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- tools/oskit/rt11-53_rl - new oskit for RT11 V5.3 on RL02
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- tools/oskit/xxdp_rl - new oskit for XXDP 22 and 25 on RL02
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- Changes
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- renames
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- ensure that old ISE and new Vivado co-exists, ensure telling names
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- rtl/make -> make_ise
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- rtl/bplib/bpgen/sn_4x7segctl -> sn_7segctl
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- tools/bin/isemsg_filter -> xise_msg_filter
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- tools/bin/xilinx_ghdl_unisim -> xise_ghdl_unisim
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- tools/bin/xilinx_ghdl_simprim -> xise_ghdl_simprim
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- retired files
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- rtl/bplib/fx2lib
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- fx2_2fifoctl_as - obsolete, wasn't actively used since long
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- tools/bin
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- set_ftdi_lat - obsolete, since kernel 2.6.32 the default is 1 ms
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- xilinx_vhdl_chop - obsolete, since ISE 11 sources come chopped
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- functional changes
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- $RETROBASE/Makefile - re-structured, many new targets
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- rtl/bplib/bpgen
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- sn_7segctl - handle also 8 digit displays
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- sn_humanio - configurable SWI and DSP width
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- sn_humanio_rbus - configurable SWI and DSP width
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- rtl/vlib/serport
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- serport_1clock - export fractional part of divider
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- rtl/ibus
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- ibdr_maxisys - add RL11 (ibdr_rl11)
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- rtl/sys_gen/w11a/*
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- sys_w11a_* - use new led and dsp control modules
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- tools/src/librlink
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- RlinkConnect - drop LogOpts, indivitual getter/setter
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- RlinkPortTerm - support custom baud rates (5M,6M,10M,12M)
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- tools/src/librtcltools
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- RtclGetList - add '?' (key list) and '*' (kv list)
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- RtclSetList - add '?' (key list)
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- RlogFile - Open(): now with cout/cerr support
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- tools/src/librlinktpp
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- RtclRlinkConnect - drop config cmd, use get/set cmd
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- RtclRlinkPort - drop config cmd, use get/set cmd
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- tools/src/librw11
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- Rw11Rdma - PreExecCB() with nwdone and nwnext
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- Rw11UnitDisk - add Nwrd2Nblk()
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- tools/src/librwxxtpp
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- RtclRw11CntlFactory - add RL11 support
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- tools/bin
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- xise_ghdl_unisim - handle also UNIMACRO lib
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- vbomconv - handle Vivado flows too
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- Bug fixes
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- tools/src/librw11
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- Rw11CntlRK11 - revise RdmaPostExecCB() logic
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- Known issues
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- V0.64-7: ghdl simulated OS boots via ti_w11 (-n4 ect options) fail due to
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a flow control issue (likely since V0.63).
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- V0.64-6: IO delays still unconstraint in vivado. All critical IOs use
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explicitly IOB flops, thus timing well defined.
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- V0.64-5: w11a_tb_guide.txt covers only ISE based tests (see also V0.64-4).
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- V0.64-4: No support for the Vivado simulator (xsim) yet. With ghdl only
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functional simulations, post synthesis (_ssim) fails to compile.
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- V0.64-3: Highest baud rate with basys3 and nexys4 is 10 MBaud. 10 MBaud
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is not supported according to FTDI, but works. 12 MBaud in next release.
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- V0.64-2: rlink throughput on basys3/nexys4 limited by serial port stack
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round trip times. Will be overcome by libusb based custom driver.
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- V0.64-1: The large default transfer size for disk accesses leads to bad
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throughput in the DL11 emulation for low speed links, like the
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460kBaud the S3board is limited too. Will be overcome by a DL11
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controller with more buffering.
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- V0.62-2: rlink v4 error recovery not yet implemented, will crash on error
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- V0.62-1: Command lists aren't split to fit in retransmit buffer size
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{last two issues not relevant for w11 backend over USB usage because
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the backend produces proper command lists and the USB channel is
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usually error free}
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- trunk (2015-01-04: svn rev 28(oc) 629(wfjm); untagged w11a_V0.63) +++++++++
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- trunk (2015-01-04: svn rev 28(oc) 629(wfjm); untagged w11a_V0.63) +++++++++
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- Summary
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- Summary
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- the w11a rbus interface used so far a narrow dynamically adjusted
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- the w11a rbus interface used so far a narrow dynamically adjusted
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rbus->ibus window. Replaces with a 4k word window for whole IO page.
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rbus->ibus window. Replaces with a 4k word window for whole IO page.
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- utilize rlink protocol version 4 features in w11a backend
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- utilize rlink protocol version 4 features in w11a backend
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- use attn notifies to dispatch attn handlers
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- use attn notifies to dispatch attn handlers
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- use larger blocks (7*512 rather 1*512 bytes) for rdma transfers
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- use larger blocks (7*512 rather 1*512 bytes) for rdma transfers
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- use labo and merge csr updates with last block transfer
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- use labo and merge csr updates with last block transfer
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- this combined reduces the number of round trips by a factor 2 to 3,
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- this combined reduces the number of round trips by a factor 2 to 3,
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and in some cases the throughput accordingly.
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and in some cases the throughput accordingly.
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- Remarks on reference system
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- Remarks on reference system
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- still using tcl 8.5 (even though 8.6 is now default in Ub 14.04)
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- still using tcl 8.5 (even though 8.6 is now default in Ub 14.04)
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- don't use doxygen 1.8.8 and 1.8.9, it fails to generate vhdl docs
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- don't use doxygen 1.8.8 and 1.8.9, it fails to generate vhdl docs
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- New features
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- New features
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- new modules
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- new modules
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- tools/bin
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- tools/bin
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- ghdl_assert_filter - filter to suppress startup warnings
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- ghdl_assert_filter - filter to suppress startup warnings
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- tbrun_tbw - wrapper for tbw based test benches
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- tbrun_tbw - wrapper for tbw based test benches
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- tbrun_tbwrri - wrapper for ti_rri + tbw based test benches
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- tbrun_tbwrri - wrapper for ti_rri + tbw based test benches
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- tools/src/librw11
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- tools/src/librw11
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- Rw11Rdma - Rdma engine base class
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- Rw11Rdma - Rdma engine base class
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- Rw11RdmaDisk - Rdma engine for disk emulation
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- Rw11RdmaDisk - Rdma engine for disk emulation
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- Changes
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- Changes
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- rtl/vlib/rlink
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- rtl/vlib/rlink
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- rlink_core - use 4th stat bit to signal rbus timeout
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- rlink_core - use 4th stat bit to signal rbus timeout
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- rtl/vlib/rbus
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- rtl/vlib/rbus
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- rbd_rbmon - reorganized, supports now 16 bit addresses
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- rbd_rbmon - reorganized, supports now 16 bit addresses
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- rtl/w11a
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- rtl/w11a
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- pdp11_core_rbus - use full size 4k word ibus window
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- pdp11_core_rbus - use full size 4k word ibus window
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- tools/bin/tbw - add -fifo and -verbose options
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- tools/bin/tbw - add -fifo and -verbose options
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- tools/src/librtools
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- tools/src/librtools
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- Rexception - add ctor from RerrMsg
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- Rexception - add ctor from RerrMsg
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- tools/src/librlink
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- tools/src/librlink
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- RlinkCommandExpect - rblk/wblk done counts now expectable
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- RlinkCommandExpect - rblk/wblk done counts now expectable
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- RlinkConnect - cleanups and minor enhancements
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- RlinkConnect - cleanups and minor enhancements
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- RlinkServer - use attn notifies to dispatch handlers
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- RlinkServer - use attn notifies to dispatch handlers
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- tools/src/librw11
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- tools/src/librw11
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- Rw11CntlRK11 - re-organize, use now Rw11RdmaDisk
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- Rw11CntlRK11 - re-organize, use now Rw11RdmaDisk
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- Rw11Cpu - add ibus address map
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- Rw11Cpu - add ibus address map
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- tools/src/librwxxtpp
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- tools/src/librwxxtpp
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- RtclRw11CntlRK11 - add get/set for ChunkSize
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- RtclRw11CntlRK11 - add get/set for ChunkSize
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- RtclRw11Cpu - add amap sub-command for ibus map access
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- RtclRw11Cpu - add amap sub-command for ibus map access
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- Resolved known issues from V0.62
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- Resolved known issues from V0.62
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- the rbus monitor (rbd_rbmon) has been updated to handle 16 bit addresses
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- the rbus monitor (rbd_rbmon) has been updated to handle 16 bit addresses
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- Known issues
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- Known issues
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- (V0.62): rlink v4 error recovery not yet implemented, will crash on error
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- (V0.62): rlink v4 error recovery not yet implemented, will crash on error
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- (V0.62): command lists aren't split to fit in retransmit buffer size
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- (V0.62): command lists aren't split to fit in retransmit buffer size
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{both issues not relevant for w11 backend over USB usage because the
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{both issues not relevant for w11 backend over USB usage because the
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backend produces proper command lists and the USB channel is error free}
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backend produces proper command lists and the USB channel is error free}
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- trunk (2014-12-20: svn rev 27(oc) 614(wfjm); untagged w11a_V0.62) +++++++++
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- trunk (2014-12-20: svn rev 27(oc) 614(wfjm); untagged w11a_V0.62) +++++++++
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- Summary
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- Summary
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- migrate to rlink protocol version 4
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- migrate to rlink protocol version 4
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- Goals for rlink v4
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- Goals for rlink v4
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- 16 bit addresses (instead of 8 bit)
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- 16 bit addresses (instead of 8 bit)
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- more robust encoding, support for error recovery at transport level
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- more robust encoding, support for error recovery at transport level
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- add features to reduce round trips
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- add features to reduce round trips
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- improved attention handling
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- improved attention handling
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- new 'list abort' command
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- new 'list abort' command
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- For further details see README_Rlink_V4.txt
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- For further details see README_Rlink_V4.txt
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- use own C++ based tcl shell tclshcpp instead of tclsh
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- use own C++ based tcl shell tclshcpp instead of tclsh
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Notes:
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Notes:
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1. rlink protocol, core, and backend are updated in this release
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1. rlink protocol, core, and backend are updated in this release
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2. error recovery in backend not yet implemented
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2. error recovery in backend not yet implemented
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3. the designs using rlink are still essentially unchanged
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3. the designs using rlink are still essentially unchanged
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4. the new rlink v4 features will be exploited in upcoming releases
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4. the new rlink v4 features will be exploited in upcoming releases
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- New reference system
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- New reference system
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The development and test system was upgraded from Kubuntu 12.04 to 14.04.
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The development and test system was upgraded from Kubuntu 12.04 to 14.04.
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The version of several key tools and libraries changed:
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The version of several key tools and libraries changed:
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linux kernel 3.13.0 (was 3.2.0)
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linux kernel 3.13.0 (was 3.2.0)
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gcc/g++ 4.8.2 (was 4.6.3)
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gcc/g++ 4.8.2 (was 4.6.3)
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boost 1.54 (was 1.46.1)
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boost 1.54 (was 1.46.1)
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libusb 1.0.17 (was 1.0.9)
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libusb 1.0.17 (was 1.0.9)
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perl 5.18.2 (was 5.14.2)
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perl 5.18.2 (was 5.14.2)
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tcl 8.5.15 (was 8.5.11)
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tcl 8.5.15 (was 8.5.11)
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sdcc 3.3.0 (was 2.9.0)
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sdcc 3.3.0 (was 2.9.0)
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doxygen 1.8.7 {installed from sources; Ub 14.04 has 1.8.6}
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doxygen 1.8.7 {installed from sources; Ub 14.04 has 1.8.6}
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Notes:
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Notes:
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1. still using tcl 8.5 (even though 8.6 is now default in Ub 14.04)
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1. still using tcl 8.5 (even though 8.6 is now default in Ub 14.04)
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2. sdcc 3.x is not source compatible with sdcc 2.9. The Makefile
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2. sdcc 3.x is not source compatible with sdcc 2.9. The Makefile
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allows to use both, see tools/fx2/src/README.txt .
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allows to use both, see tools/fx2/src/README.txt .
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3. don't use doxygen 1.8.8, it fails to generate vhdl docs
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3. don't use doxygen 1.8.8, it fails to generate vhdl docs
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- New features
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- New features
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- new environment variables TCLLIB and TCLLIBNAME. TCLLIBNAME must be
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- new environment variables TCLLIB and TCLLIBNAME. TCLLIBNAME must be
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defined, and hold the library name matching the Tcl version already
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defined, and hold the library name matching the Tcl version already
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specified with TCLINC.
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specified with TCLINC.
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- new modules
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- new modules
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- rtl/vlib/comlib/crc16 - 16 bit crc generator (replaces crc8)
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- rtl/vlib/comlib/crc16 - 16 bit crc generator (replaces crc8)
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- tools/src/tclshcpp/* - new tclshcpp shell
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- tools/src/tclshcpp/* - new tclshcpp shell
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- Changes
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- Changes
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- rtl/vlib/comlib
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- rtl/vlib/comlib
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- byte2cdata,cdata2byte - re-write, commas now 2 byte sequences
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- byte2cdata,cdata2byte - re-write, commas now 2 byte sequences
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- rtl/vlib/rlink
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- rtl/vlib/rlink
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- rlink_core - re-write for rlink v4
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- rlink_core - re-write for rlink v4
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- rtl/*/* - use new rlink v4 iface and 4 bit STAT
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- rtl/*/* - use new rlink v4 iface and 4 bit STAT
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- rtl/vlib/rbus/rbd* - new addresses in 16 bit rlink space
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- rtl/vlib/rbus/rbd* - new addresses in 16 bit rlink space
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- rtl/vlib/simlib/simlib - add simfifo_*, wait_*, writetrace
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- rtl/vlib/simlib/simlib - add simfifo_*, wait_*, writetrace
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- tools/bin/
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- tools/bin/
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- fx2load_wrapper - use _ic instead of _as as default firmware
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- fx2load_wrapper - use _ic instead of _as as default firmware
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- ti_rri - use tclshcpp (C++ based) rather tclsh
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- ti_rri - use tclshcpp (C++ based) rather tclsh
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- tools/fx2/bin/*.ihx - recompiled with sdcc 3.3.0 + bugfixes
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- tools/fx2/bin/*.ihx - recompiled with sdcc 3.3.0 + bugfixes
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- tools/fx2/src/Makefile - support sdcc 3.3.0
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- tools/fx2/src/Makefile - support sdcc 3.3.0
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- tools/src/
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- tools/src/
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- */*.cpp - adopt for rlink v4; use nullptr
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- */*.cpp - adopt for rlink v4; use nullptr
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- librlink/RlinkCrc16 - 16 crc, replaces RlinkCrc8
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- librlink/RlinkCrc16 - 16 crc, replaces RlinkCrc8
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- librlink/RlinkConnect - many changes for rlink v4
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- librlink/RlinkConnect - many changes for rlink v4
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- librlink/RlinkPacketBuf* - re-write for for rlink v4
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- librlink/RlinkPacketBuf* - re-write for for rlink v4
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- tools/tcl/*/*.tcl - adopt for rlink v4
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- tools/tcl/*/*.tcl - adopt for rlink v4
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- renames:
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- renames:
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- tools/bin/telnet_starter -> tools/bin/console_starter
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- tools/bin/telnet_starter -> tools/bin/console_starter
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- Bug fixes
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- Bug fixes
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- tools/fx2/src
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- tools/fx2/src
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- dscr_gen.A51 - correct string 0 descriptor
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- dscr_gen.A51 - correct string 0 descriptor
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- lib/syncdelay.h - handle triple nop now properly
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- lib/syncdelay.h - handle triple nop now properly
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- Known issues
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- Known issues
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- rlink v4 error recovery not yet implemented, will crash on error
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- rlink v4 error recovery not yet implemented, will crash on error
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- command lists aren't split to fit in retransmit buffer size
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- command lists aren't split to fit in retransmit buffer size
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{both issues not relevant for w11 backend over USB usage because the
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{both issues not relevant for w11 backend over USB usage because the
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backend produces proper command lists and the USB channel is error free}
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backend produces proper command lists and the USB channel is error free}
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- the rbus monitor (rbd_rbmon) not yet handling 16 bit addresses and
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- the rbus monitor (rbd_rbmon) not yet handling 16 bit addresses and
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therefore of limited use
|
therefore of limited use
|
|
|
- trunk (2014-08-08: svn rev 25(oc) 579(wfjm); tagged w11a_V0.61) +++++++++++
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- trunk (2014-08-08: svn rev 25(oc) 579(wfjm); tagged w11a_V0.61) +++++++++++
|
|
|
- Summary
|
- Summary
|
- The div instruction gave wrong results in some corner cases when either
|
- The div instruction gave wrong results in some corner cases when either
|
divisor or quotient were the largest negative integer (100000 or -32768).
|
divisor or quotient were the largest negative integer (100000 or -32768).
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This is corrected now, for details see ECO-026-div.txt
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This is corrected now, for details see ECO-026-div.txt
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- some minor updates and fixes to support scripts
|
- some minor updates and fixes to support scripts
|
- xtwi usage and XTWI_PATH setup explained in INSTALL.txt
|
- xtwi usage and XTWI_PATH setup explained in INSTALL.txt
|
|
|
- New features
|
- New features
|
- the Makefile's for in all rtl building block directories allow now to
|
- the Makefile's for in all rtl building block directories allow now to
|
configure the target board for a test synthesis via the XTW_BOARD
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configure the target board for a test synthesis via the XTW_BOARD
|
environment variable or XTW_BOARD= make option.
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environment variable or XTW_BOARD= make option.
|
|
|
- Changes
|
- Changes
|
- tools/bin/asm-11 - add call and return opcodes
|
- tools/bin/asm-11 - add call and return opcodes
|
- tools/bin/create_disk - add RM02,RM05,RP04,RP07 support
|
- tools/bin/create_disk - add RM02,RM05,RP04,RP07 support
|
- tools/bin/tbw - use xtwi to start ISim models
|
- tools/bin/tbw - use xtwi to start ISim models
|
- tools/bin/ticonv_pdpcp - add --tout and --cmax; support .sdef
|
- tools/bin/ticonv_pdpcp - add --tout and --cmax; support .sdef
|
- tools/dox/*.Doxyfile - use now doxygen 1.8.7
|
- tools/dox/*.Doxyfile - use now doxygen 1.8.7
|
- tools/src/librw11
|
- tools/src/librw11
|
- Rw11CntlRK11 - add statistics
|
- Rw11CntlRK11 - add statistics
|
|
|
- Bug fixes
|
- Bug fixes
|
- rtl/w11a - div bug ECO-026
|
- rtl/w11a - div bug ECO-026
|
- pdp11_munit - port changes; fix divide logic
|
- pdp11_munit - port changes; fix divide logic
|
- pdp11_sequencer - s_opg_div_sr: check for late div_quit
|
- pdp11_sequencer - s_opg_div_sr: check for late div_quit
|
- pdp11_dpath - port changes for pdp11_munit
|
- pdp11_dpath - port changes for pdp11_munit
|
- tools/bin/create_disk - repair --boot option (was inaccessible)
|
- tools/bin/create_disk - repair --boot option (was inaccessible)
|
- tools/bin/ti_w11 - split args now into ti_w11 opts and cmds
|
- tools/bin/ti_w11 - split args now into ti_w11 opts and cmds
|
- tools/src/librwxxtpp
|
- tools/src/librwxxtpp
|
- RtclRw11Cpu - redo estatdef logic; avoid LastExpect()
|
- RtclRw11Cpu - redo estatdef logic; avoid LastExpect()
|
- tools/dox/make_doxy - create directories, fix 'to view use' text
|
- tools/dox/make_doxy - create directories, fix 'to view use' text
|
|
|
- w11a_V0.6 (2014-06-06) +++++++++++++++++++++++++++++++++++++++++++++++++++++
|
- w11a_V0.6 (2014-06-06) +++++++++++++++++++++++++++++++++++++++++++++++++++++
|
|
|
cummulative summary of key changes from w11a_V0.5 to w11a_V0.60
|
cummulative summary of key changes from w11a_V0.5 to w11a_V0.60
|
- revised ibus protocol V2 (in w11a_V0.51)
|
- revised ibus protocol V2 (in w11a_V0.51)
|
- revised rbus protocol V3 (in w11a_V0.52)
|
- revised rbus protocol V3 (in w11a_V0.52)
|
- backend server rewritten in C++ and Tcl (in w11a_V0.53 and w11a_V0.562)
|
- backend server rewritten in C++ and Tcl (in w11a_V0.53 and w11a_V0.562)
|
- add Nexys3 port of w11a (in w11a_V0.54)
|
- add Nexys3 port of w11a (in w11a_V0.54)
|
- add Cypress FX2 support (in w11a_V0.56 and w11a_V0.57)
|
- add Cypress FX2 support (in w11a_V0.56 and w11a_V0.57)
|
- added LP11,PC11 support (in w11a_V0.58)
|
- added LP11,PC11 support (in w11a_V0.58)
|
- reference system now ISE 14.7 and Ubuntu 12.04 64 bit, ghdl 0.31
|
- reference system now ISE 14.7 and Ubuntu 12.04 64 bit, ghdl 0.31
|
- many code cleanups; use numeric_std
|
- many code cleanups; use numeric_std
|
- many documentation improvements
|
- many documentation improvements
|
- development status upgraded to beta (from alpha)
|
- development status upgraded to beta (from alpha)
|
|
|
for details see README-w11a_V.50-w11a_V0.60.txt
|
for details see README-w11a_V.50-w11a_V0.60.txt
|
|
|
- w11a_V0.5 (2010-07-23) +++++++++++++++++++++++++++++++++++++++++++++++++++++
|
- w11a_V0.5 (2010-07-23) +++++++++++++++++++++++++++++++++++++++++++++++++++++
|
|
|
Initial release with
|
Initial release with
|
- w11a CPU core
|
- w11a CPU core
|
- basic set of peripherals: kw11l, dl11, lp11, pc11, rk11/rk05
|
- basic set of peripherals: kw11l, dl11, lp11, pc11, rk11/rk05
|
- just for fun: iist (not fully implemented and tested yet)
|
- just for fun: iist (not fully implemented and tested yet)
|
- two complete system configurations with
|
- two complete system configurations with
|
- for a Digilent S3BOARD rtl/sys_gen/w11a/s3board/sys_w11a_s3
|
- for a Digilent S3board rtl/sys_gen/w11a/s3board/sys_w11a_s3
|
- for a Digilent Nexys2 rtl/sys_gen/w11a/nexys2/sys_w11a_n2
|
- for a Digilent Nexys2 rtl/sys_gen/w11a/nexys2/sys_w11a_n2
|
|
|
