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https://github.com/wfjm/w11.git
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2b5cfb7d96
- xsim support complete (but many issues to be resolved yet) - Added configurable w11a cache - Removed some never documented and now strategically obsolete designs
71 lines
2.1 KiB
Tcl
71 lines
2.1 KiB
Tcl
# $Id: test_flow.tcl 777 2016-06-19 20:24:15Z mueller $
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#
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# Copyright 2016- by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
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#
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# This program is free software; you may redistribute and/or modify it under
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# the terms of the GNU General Public License as published by the Free
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# Software Foundation, either version 2, or at your option any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY, without even the implied warranty of MERCHANTABILITY
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# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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# for complete details.
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#
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# Revision History:
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# Date Rev Version Comment
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# 2016-06-18 777 1.0 Initial version
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#
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package provide rbtest 1.0
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package require rutiltpp
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package require rutil
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package require rlink
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namespace eval rbtest {
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#
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# Test flow control
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#
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proc test_flow {{bufmax 512} {bufmin 4}} {
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#
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set errcnt 0
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rlc errcnt -clear
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#
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rlc log "rbtest::test_flow - init: clear cntl"
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rlc exec -init te.cntl [regbld rbtest::INIT cntl]
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#
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#-------------------------------------------------------------------------
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rlc log " test 1: create back pressure with wreg after a rblk"
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set rbase 0x8000
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set wbase 0xc000
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set nw $bufmin
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set nmax [expr {[rlc get bsizeprudent] / 2}]; # /2 because rblk and wblk !
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if {$bufmax < $nmax} {set nmax $bufmax}
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while {$nw <= $nmax} {
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rlc log [format " buffer size: %4d" $nw]
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set rbuf {}
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set wbuf {}
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for {set i 0} {$i < $nw} {incr i} {
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lappend rbuf [expr {$rbase + $i}]
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lappend wbuf [expr {$wbase + $i}]
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}
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rlc exec \
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-wreg te.data $rbase \
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-rblk te.dinc $nw -edata $rbuf -edone $nw \
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-wreg te.data $wbase \
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-wblk te.dinc $wbuf \
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-rreg te.cntl -edata 0
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set nw [expr {2*$nw}]
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incr rbase 0x0400
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incr wbase 0x0400
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}
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#
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#-------------------------------------------------------------------------
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rlc log "rbtest::test_flow - cleanup: clear cntl"
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rlc exec -init te.cntl [regbld rbtest::INIT cntl]
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#
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incr errcnt [rlc errcnt -clear]
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return $errcnt
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}
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}
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