mirror of
https://github.com/wfjm/w11.git
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- interim release w11a_V0.51 (untagged)
- migrate to ibus protocol verion 2 - nexys2 systems now with DCM derived system clock supported - sys_w11a_n2 now runs with 58 MHz clksys
This commit is contained in:
Walter F.J. Mueller
@@ -1,4 +1,4 @@
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# $Id: README.txt 318 2010-07-23 18:28:40Z mueller $
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# $Id: README.txt 341 2010-11-27 23:05:43Z mueller $
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Release notes for w11a
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@@ -48,9 +48,37 @@ Release notes for w11a
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3. Change Log -------------------------------------------------------------
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- trunk (current development snapshot) -----------------------
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- trunk (2010-11-28: svn rev 8(oc) 341(wfjm); untagged w11a_V0.51)
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indentical to w11a_V0.5
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- Changes
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- module renames:
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- in future 'box' is used for large autonomous blocks, therefore use
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the term unit for purely sequential logic modules:
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pdp11_abox -> pdp11_ounit
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pdp11_dbox -> pdp11_aunit
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pdp11_lbox -> pdp11_lunit
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pdp11_mbox -> pdp11_munit
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- signal renames:
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- renamed RRI_LAM -> RB_LAM in all ibus devices
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- renamed CLK -> I_CLK50 in all top level nexys2 and s3board designs
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- migrate to ibus protocol verion 2
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- in ib_mreq use now aval,re,we,rmw instead of req,we,dip
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- basic ibus transaction now takes 2 cycles, one for address select, one
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for data exchange. This avoids too long logic paths in ibus sector.
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- New features
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- ibus
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- added ib_sres_or_mon to check for miss-behaving ibus devices
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- added ib_sel to encapsulate address select logic
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- nexys2 systems
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- now DCM derived system clock supported
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- sys_gen/w11a/nexys2
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- sys_w11a_n2 now runs with 58 MHz clksys
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- Bug fixes
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- rtl/vlib/Makefile.xflow: use default .opt files under rtl/vlib again.
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- w11a_V0.5 (2010-07-23) -------------------------------------
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43
doc/man/man1/rm_dep.1
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43
doc/man/man1/rm_dep.1
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@@ -0,0 +1,43 @@
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.\" -*- nroff -*-
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.\" $Id: rm_dep.1 321 2010-08-01 19:43:39Z mueller $
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.\"
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.\" Copyright 2010- by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
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.\"
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.\" ------------------------------------------------------------------
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.
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.TH RM_DEP 1 2010-07-24 "Retro Project" "Retro Project Manual"
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.\" ------------------------------------------------------------------
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.SH NAME
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rm_dep \- remove vbomconv generated dependency files in a directory tree
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.\" ------------------------------------------------------------------
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.SH SYNOPSIS
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.
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.SY rm_dep
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.YS
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.
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.\" ------------------------------------------------------------------
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.SH DESCRIPTION
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.B rm_dep
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removes all
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.B vbomconv
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generated dependency rule files from the whole directory tree starting
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at the current working directory. Specifically, it removes
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.PP
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.EX
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*.dep_ghdl
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*.dep_isim
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*.dep_xst
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*.dep_ucf_cpp
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.EE
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.PP
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The script produces a log to
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.I stdout
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indicating all removed files, the messages are generated by '\fIrm -v\fP'.
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.
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.\" ------------------------------------------------------------------
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.SH "SEE ALSO"
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.BR vbomconv (1)
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.
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.\" ------------------------------------------------------------------
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.SH AUTHOR
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Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
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70
doc/man/man1/set_ftdi_lat.1
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70
doc/man/man1/set_ftdi_lat.1
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@@ -0,0 +1,70 @@
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.\" -*- nroff -*-
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.\" $Id: set_ftdi_lat.1 321 2010-08-01 19:43:39Z mueller $
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.\"
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.\" Copyright 2010- by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
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.\"
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.\" ------------------------------------------------------------------
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.
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.TH SET_FTDI_LAT 1 2010-07-24 "Retro Project" "Retro Project Manual"
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.\" ------------------------------------------------------------------
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.SH NAME
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set_ftdi_lat \- set latency timer in FTDI USB UART or FIFO
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.\" ------------------------------------------------------------------
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.SH SYNOPSIS
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.
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.SY set_ftdi_lat
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.RI [ dev ]
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.RI [ time ]
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.YS
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.
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.\" ------------------------------------------------------------------
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.SH DESCRIPTION
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FTDI USB UART or FIFO adapters of type FT232, FT245, and other similar
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models have a latency timer which controls the maximal time between reception
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of a byte by the UART or FIFO and the emission of a USB frame. The default
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is 16 msec and can lead to unsatisfactory response times.
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The
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.B set_ftdi_lat
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script allows to set this latency timer via a node in the
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.I /sys
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virtual file system, specifically
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.IP "" 4
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.I /sys/bus/usb-serial/devices/ttyUSBn/latency_timer
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.
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.PP
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The first optional argument
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.I dev
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allows to specify the device name in the form
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.I USBn
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with the default
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.IR USB0 .
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The second optional argument
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.I
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time
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allows to specify the new value of the latency timer, given in msec.
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Default is 1 msec.
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.
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.
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.\" ------------------------------------------------------------------
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.SH EXIT STATUS
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If device
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.RI tty dev
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is not found or the entry in
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.I /sys
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is not writable an exit status 1 is returned.
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.\" ------------------------------------------------------------------
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.SH EXAMPLES
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In general the command is given via
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.BR sudo ,
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like
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.EX
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sudo set_ftdi_lat USB0 1
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.EE
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.\" ------------------------------------------------------------------
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.SH "SEE ALSO"
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.BR sudo (1)
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.
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.\" ------------------------------------------------------------------
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.SH AUTHOR
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Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
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107
doc/man/man5/vbom.5
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107
doc/man/man5/vbom.5
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@@ -0,0 +1,107 @@
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.\" -*- nroff -*-
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.\" $Id: vbom.5 320 2010-07-30 19:35:01Z mueller $
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.\"
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.\" Copyright 2010- by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
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.\"
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.\" ------------------------------------------------------------------
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.
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.TH VBOM 2010-07-25 "Retro Project" "Retro Project Manual"
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.\" ------------------------------------------------------------------
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.SH NAME
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vbom \- 'vhdl bill of material' file format
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.
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.\" ------------------------------------------------------------------
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.SH DESCRIPTION
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These files describe the sources needed to build a
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.I vhdl
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module. The source files are either given directly in case of libraries
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or via other
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.IR vbom 's
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in case of instantiated components. They are used by
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.BR vbomconv (1)
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to build project descriptions for synthesis and simulation tools.
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The format has four types of lines:
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.
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.\" ----------------------------------------------
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.TP
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.B comments
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each line starting with
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.B #
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is treated as comment and ignored.
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.
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.\" ----------------------------------------------
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.TP
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.B file names
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either source files with a
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.I '.vhd'
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file type or nested
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.IR vbom 's
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with a
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.I '.vbom'
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file type. The must be given as relative path name
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from the directory the
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.I vbom
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file is located in. Absolute path names are not allowed, nor is expansion of
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environment variables.
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.
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.\" ----------------------------------------------
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.TP
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.B logical names
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A logical name can be defined with
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.EX
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<lname> = <filename>
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.EE
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The first definition of a logical name encountered in the traversal of the
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.IR vbom 's
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by
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.BR vbomconv (1)
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is taken, all later definitions are ignored.
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A logical name can be used with
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.EX
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<lname> : <filename>
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.EE
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If it wasn't
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Again, the filenames, either of type
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.I vhd
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or
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.IR vbom ,
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must be given as relative path name from the directory the
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.I vbom
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file is located in.
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The definition clause just sets up the logical name for later usage.
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The usage clause
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.\" ----------------------------------------------
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.TP
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.B directives
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The format is simple, essentially a list of file names, either
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source files with a
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.I '.vhd'
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file type or nested
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.IR vbom 's
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with a
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.I '.vbom'
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file type. Lines starting with
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.B #
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are treated as comments.
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.
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.\" ------------------------------------------------------------------
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.SH EXAMPLES
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.
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.\" ------------------------------------------------------------------
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.SH "SEE ALSO"
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.BR vbomconv (1)
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.
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.\" ------------------------------------------------------------------
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.SH AUTHOR
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Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
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