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$Id: README.txt 614 2014-12-20 15:00:45Z mueller $
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Release notes for w11a
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Table of content:
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1. Documentation
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2. Change Log
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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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in the doc directory, specifically
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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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* 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_os_guide.txt: booting operating systems
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* w11a_known_issues.txt: known differences, limitations and issues
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2. Change Log ----------------------------------------------------------------
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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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- migrate to rlink protocol version 4
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- Goals for rlink v4
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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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- add features to reduce round trips
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- improved attention handling
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- new 'list abort' command
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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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Notes:
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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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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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- 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 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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gcc/g++ 4.8.2 (was 4.6.3)
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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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perl 5.18.2 (was 5.14.2)
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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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doxygen 1.8.7 {installed from sources; Ub 14.04 has 1.8.6}
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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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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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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 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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specified with TCLINC.
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- new modules
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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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- Changes
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- rtl/vlib/comlib
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- byte2cdata,cdata2byte - re-write, commas now 2 byte sequences
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- rtl/vlib/rlink
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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/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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- tools/bin/
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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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- 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/src/
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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/RlinkConnect - many changes 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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- renames:
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- tools/bin/telnet_starter -> tools/bin/console_starter
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- Bug fixes
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- tools/fx2/src
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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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- Known issues
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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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{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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- the rbus monitor (rbd_rbmon) not yet handling 16 bit addresses and
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therefore of limited use
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- trunk (2014-08-08: svn rev 25(oc) 579(wfjm); tagged w11a_V0.61) +++++++++++
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- Summary
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- The div instruction gave wrong results in some corner cases when either
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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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- some minor updates and fixes to support scripts
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- xtwi usage and XTWI_PATH setup explained in INSTALL.txt
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- New features
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- the Makefile's for in all rtl building block directories allow now to
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configure the target board for a test synthesis via the XTW_BOARD
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environment variable or XTW_BOARD= make option.
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- Changes
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- tools/bin/asm-11 - add call and return opcodes
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- tools/bin/create_disk - add RM02,RM05,RP04,RP07 support
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- tools/bin/tbw - use xtwi to start ISim models
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- tools/bin/ticonv_pdpcp - add --tout and --cmax; support .sdef
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- tools/dox/*.Doxyfile - use now doxygen 1.8.7
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- tools/src/librw11
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- Rw11CntlRK11 - add statistics
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- Bug fixes
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- rtl/w11a - div bug ECO-026
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- pdp11_munit - port changes; fix divide logic
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- pdp11_sequencer - s_opg_div_sr: check for late div_quit
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- pdp11_dpath - port changes for pdp11_munit
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- tools/bin/create_disk - repair --boot option (was inaccessible)
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- tools/bin/ti_w11 - split args now into ti_w11 opts and cmds
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- tools/src/librwxxtpp
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- RtclRw11Cpu - redo estatdef logic; avoid LastExpect()
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- tools/dox/make_doxy - create directories, fix 'to view use' text
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- w11a_V0.6 (2014-06-06) +++++++++++++++++++++++++++++++++++++++++++++++++++++
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cummulative summary of key changes from w11a_V0.5 to w11a_V0.60
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- revised ibus protocol V2 (in w11a_V0.51)
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- revised rbus protocol V3 (in w11a_V0.52)
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- backend server rewritten in C++ and Tcl (in w11a_V0.53 and w11a_V0.562)
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- add Nexys3 port of w11a (in w11a_V0.54)
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- add Cypress FX2 support (in w11a_V0.56 and w11a_V0.57)
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- added LP11,PC11 support (in w11a_V0.58)
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- reference system now ISE 14.7 and Ubuntu 12.04 64 bit, ghdl 0.31
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- many code cleanups; use numeric_std
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- many documentation improvements
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- development status upgraded to beta (from alpha)
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for details see README-w11a_V.50-w11a_V0.60.txt
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- w11a_V0.5 (2010-07-23) +++++++++++++++++++++++++++++++++++++++++++++++++++++
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Initial release with
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- w11a CPU core
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- basic set of peripherals: kw11l, dl11, lp11, pc11, rk11/rk05
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- just for fun: iist (not fully implemented and tested yet)
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- two complete system configurations with
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- for a Digilent S3BOARD rtl/sys_gen/w11a/s3board/sys_w11a_s3
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- for a Digilent Nexys2 rtl/sys_gen/w11a/nexys2/sys_w11a_n2
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