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\ Hypervisor Software File: intr.fth
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id: @(#)intr.fth 1.1 07/01/24
purpose: OHCI USB Controller interrupt pipes transaction processing
\ See license at end of file
d# 500 constant intr-in-timeout
0 value #intr-in \ Count of outstanding begin-intr-in
0 instance value intr-in-pipe
0 instance value intr-in-interval
0 instance value intr-in-ed \ Instance variables for begin-intr-in, intr-in?,
0 instance value intr-in-td \ restart-intr-in and end-intr-in
: #intr-in++ ( -- ) #intr-in 1+ to #intr-in ;
: #intr-in-- ( -- ) #intr-in 1- to #intr-in ;
: disable-periodic ( -- ) 4 hc-cntl-clr next-frame ;
: enable-periodic ( -- ) 4 hc-cntl-set ;
: insert-in-intr ( ed -- )
( ed ) intr-in-interval insert-intr-ed
#intr-in if enable-periodic then
: intr-in-data@ ( -- n ) intr-in-pipe target di-in-data@ di-data>ed-data ;
: intr-in-data! ( n -- ) ed-data>di-data intr-in-pipe target di-in-data! ;
: fixup-intr-in-data ( ed -- )
usb-error USB_ERR_STALL and if
drop intr-in-pipe h# 80 or unstall-pipe
: process-intr-args ( buf len pipe timeout -- ) process-bulk-args ;
: alloc-intr-edtds ( -- ed td ) alloc-bulk-edtds ;
: fill-intr-io-tds ( td -- ) fill-bulk-io-tds ;
: fill-intr-in-ed ( ed -- )
my-dev/pipe my-speed or ED_DIR_IN or ED_SKIP_OFF or ED_FORMAT_G or
my-maxpayload d# 16 << or
( ed ) dup >hced-tdhead le-l@ ( ed head )
intr-in-data@ or ( ed head' )
over >hced-tdhead le-l! ( ed )
: remove-my-intr ( ed -- ) dup remove-intr free-edtds ;
: begin-intr-in ( buf len pipe interval -- )
debug? if ." begin-intr-in" cr then
intr-in-ed if 4drop exit then \ Already started
intr-in-timeout process-intr-args
alloc-intr-edtds to intr-in-td to intr-in-ed
intr-in-td fill-intr-io-tds
intr-in-ed dup fill-intr-in-ed
: intr-in? ( -- actual usberr )
intr-in-ed 0= if 0 USB_ERR_INV_OP exit then
intr-in-ed dup sync-edtds ( ed )
intr-in-td dup get-actual ( td actual )
over >td-cbp l@ rot >td-pcbp l@ 2 pick dma-sync ( actual )
usb-error ( actual usberr )
intr-in-ed fixup-intr-in-data ( actual usberr )
0 usb-error ( actual usberr )
: restart-intr-in-td ( td -- )
TD_CC_NOTACCESSED TD_DIR_IN or TD_INTR_OFF or TD_ROUND_ON or
dup >td-pcbp l@ over >hctd-cbp le-l!
dup >td-next l@ >td-phys l@ over >hctd-next le-l!
intr-in-ed 0= if exit then
intr-in-td restart-intr-in-td
intr-in-td >td-phys l@ intr-in-data@ or intr-in-ed >hced-tdhead le-l!
intr-in-ed dup sync-edtds
debug? if ." end-intr-in" cr then
intr-in-ed 0= if exit then
intr-in-ed remove-my-intr
0 to intr-in-ed 0 to intr-in-td
: (end-extra) ( -- ) (end-extra) end-intr-in ;
' (end-extra) to end-extra
\ Copyright (c) 2006 FirmWorks
\ Permission is hereby granted, free of charge, to any person obtaining
\ a copy of this software and associated documentation files (the
\ "Software"), to deal in the Software without restriction, including
\ without limitation the rights to use, copy, modify, merge, publish,
\ distribute, sublicense, and/or sell copies of the Software, and to
\ permit persons to whom the Software is furnished to do so, subject to
\ the following conditions:
\ The above copyright notice and this permission notice shall be
\ included in all copies or substantial portions of the Software.
\ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
\ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
\ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
\ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
\ LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
\ OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
\ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
projects / OpenSPARC-T2-SAM / blob