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\ Hypervisor Software File: serial.tok
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id: @(#)serial.tok 1.6 06/02/16
purpose: 
copyright: Copyright 2006 Sun Microsystems, Inc.  All Rights Reserved
copyright: Use is subject to license terms.

Fcode-Version3

headerless
h# 8            constant tty-size
h# 1            constant #channels
my-address      constant tty-base

" serial"	2dup name
( serial )	device-type
[ifdef] su16552?
" su16552"	encode-string " su16550" encode-string encode+
[else]
" su16550"	encode-string
[then]
" su"		encode-string encode+ " compatible" property

1 encode-int    " interrupts" property

: en+ ( xdr,len int -- xdr',len' ) encode-int encode+ ;

\ Phys.hi		Phys.lo		Size
\ -------		-------		----
my-space encode-int	tty-base en+	tty-size en+ " reg" property

fload ${BP}/dev/utilities/get-option.fth

: default-tty-mode     " 9600,8,n,1,-" ;
: default-rmc-mode     " 115200,8,n,1,-" ;
: (default-ttya-mode)  " ttya-mode" default-tty-mode  get-string-option ;
: (default-ttyb-mode)  " ttyb-mode" default-tty-mode  get-string-option ;

defer default-ttya-mode
defer default-ttyb-mode

: $=  ( adr1 len1 adr2 len2 -- equal? )
   rot tuck  <>  if  3drop false exit  then   ( adr1 adr2 len1 )
   comp 0=
;

: init-tty ( -- )
   " console" get-my-property 0=  if
      decode-string 2swap 2drop
      2dup " ttya" $= if
         2drop
         ['] (default-ttya-mode)
      else 
         " rmc" $= if
            ['] default-rmc-mode
         else
            ['] (default-ttyb-mode)
         then 
      then
   else
      ['] default-tty-mode
   then
   dup  to default-ttya-mode  to default-ttyb-mode
;
init-tty

fload ${BP}/dev/serial/mode-data.fth
[ifdef] hw-flow-ctrl?
   fload ${BP}/dev/serial/su16550/jbos/io.fth
[else]
   fload ${BP}/dev/serial/su16550/io.fth
[then]
fload ${BP}/dev/serial/mode-decode.fth
d# 115200 is max-baud
fload ${BP}/dev/serial/ttydriver.fth

: write ( adr len -- #written ) uwrite ;

end0