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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 (2015-01-04: svn rev 28(oc) 629(wfjm); untagged w11a_V0.63) +++++++++
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- Summary
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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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- 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 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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- 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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- 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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- 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 modules
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- tools/bin
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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_tbwrri - wrapper for ti_rri + tbw based test benches
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- tools/src/librw11
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- Rw11Rdma - Rdma engine base class
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- Rw11RdmaDisk - Rdma engine for disk emulation
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- Changes
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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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- rtl/vlib/rbus
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- rbd_rbmon - reorganized, supports now 16 bit addresses
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- rtl/w11a
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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/src/librtools
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- Rexception - add ctor from RerrMsg
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- tools/src/librlink
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- RlinkCommandExpect - rblk/wblk done counts now expectable
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- RlinkConnect - cleanups and minor enhancements
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- RlinkServer - use attn notifies to dispatch handlers
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- tools/src/librw11
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- Rw11CntlRK11 - re-organize, use now Rw11RdmaDisk
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- Rw11Cpu - add ibus address map
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- tools/src/librwxxtpp
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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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- 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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- 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): 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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- 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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