Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / openbios / forth / device / other.fs

diff --git a/qemu/roms/openbios/forth/device/other.fs b/qemu/roms/openbios/forth/device/other.fs
new file mode 100644 (file)
index 0000000..b390073
--- /dev/null
+++ b/qemu/roms/openbios/forth/device/other.fs
@@ -0,0 +1,233 @@
+\ tag: Other FCode functions
+\ 
+\ this code implements IEEE 1275-1994 ch. 5.3.7
+\ 
+\ Copyright (C) 2003 Stefan Reinauer
+\ 
+\ See the file "COPYING" for further information about
+\ the copyright and warranty status of this work.
+\ 
+
+\ The current diagnostic setting
+defer _diag-switch?
+
+
+\ 
+\ 5.3.7 Other FCode functions
+\ 
+
+hex
+
+\ 5.3.7.1 Peek/poke 
+
+defer (peek)
+:noname
+  execute true
+; to (peek)
+
+: cpeek    ( addr -- false | byte true )
+  ['] c@ (peek)
+  ;
+
+: wpeek    ( waddr -- false | w true )
+  ['] w@ (peek)
+  ;
+
+: lpeek    ( qaddr -- false | quad true )
+  ['] l@ (peek)
+  ;
+  
+defer (poke)
+:noname
+  execute true
+; to (poke)
+
+: cpoke    ( byte addr -- okay? )
+  ['] c! (poke)
+  ;
+  
+: wpoke    ( w waddr -- okay? )
+  ['] w! (poke)
+  ;
+  
+: lpoke    ( quad qaddr -- okay? )
+  ['] l! (poke)
+  ;
+
+
+\ 5.3.7.2 Device-register access
+
+: rb@    ( addr -- byte )
+  ;
+  
+: rw@    ( waddr -- w )
+  ;
+  
+: rl@    ( qaddr -- quad )
+  ;
+  
+: rb!    ( byte addr -- )
+  ;
+  
+: rw!    ( w waddr -- )
+  ;
+  
+: rl!    ( quad qaddr -- )
+  ;
+
+: rx@ ( oaddr - o )
+  state @ if
+    h# 22e get-token if , else execute then
+  else
+    h# 22e get-token drop execute
+  then
+  ; immediate
+
+: rx! ( o oaddr -- )
+  state @ if
+    h# 22f get-token if , else execute then
+  else
+    h# 22f get-token drop execute
+  then
+  ; immediate
+ 
+\ 5.3.7.3 Time
+
+\ Pointer to OBP tick value updated by timer interrupt
+variable obp-ticks
+
+\ Dummy implementation for platforms without a timer interrupt
+0 value dummy-msecs
+
+: get-msecs    ( -- n )
+  \ If obp-ticks pointer is set, use it. Otherwise fall back to
+  \ dummy implementation
+  obp-ticks @ 0<> if
+    obp-ticks @
+  else
+    dummy-msecs dup 1+ to dummy-msecs
+  then
+  ;
+
+: ms    ( n -- )
+  get-msecs +
+  begin dup get-msecs < until
+  drop
+  ;
+  
+: alarm    ( xt n -- )
+  2drop
+  ;
+  
+: user-abort    ( ... -- )  ( R: ... -- )
+  ;
+
+
+\ 5.3.7.4 System information
+0003.0000 value fcode-revision    ( -- n )
+  
+: mac-address    ( -- mac-str mac-len )
+  ;
+
+
+\ 5.3.7.5 FCode self-test
+: display-status    ( n -- )
+  ;
+  
+: memory-test-suite ( addr len -- fail? )
+  ;
+  
+: mask    ( -- a-addr )
+  ;
+  
+: diagnostic-mode?     ( -- diag? )
+  \ Return the NVRAM diag-switch? setting
+  _diag-switch?
+  ;
+  
+\ 5.3.7.6 Start and end.
+
+\ Begin program with spread 0 followed by FCode-header.
+: start0 ( -- )
+  0 fcode-spread !
+  offset16
+  fcode-header 
+  ;
+
+\ Begin program with spread 1 followed by FCode-header.  
+: start1 ( -- )
+  1 to fcode-spread
+  offset16
+  fcode-header 
+  ;
+  
+\ Begin program with spread 2 followed by FCode-header.
+: start2 ( -- )
+  2 to fcode-spread
+  offset16
+  fcode-header 
+  ;
+
+\ Begin program with spread 4 followed by FCode-header.
+: start4 ( -- )
+  4 to fcode-spread
+  offset16
+  fcode-header 
+  ;
+ 
+\ Begin program with spread 1 followed by FCode-header. 
+: version1 ( -- )
+  1 to fcode-spread
+  fcode-header 
+  ;
+
+\ Cease evaluating this FCode program.
+: end0 ( -- )
+  true fcode-end !  
+  ; immediate
+
+\ Cease evaluating this FCode program.
+: end1 ( -- )
+  end0 
+  ;
+
+\ Standard FCode number for undefined FCode functions.
+: ferror ( -- )
+  ." undefined fcode# encountered." cr 
+  true fcode-end !
+  ;
+
+\ Pause FCode evaluation if desired; can resume later.
+: suspend-fcode ( -- )
+  \ NOT YET IMPLEMENTED.
+  ;
+
+
+\ Evaluate FCode beginning at location addr.
+
+\ : byte-load ( addr xt -- )
+\   \ this word is implemented in feval.fs
+\   ;
+
+\ Set address and arguments of new device node.
+: set-args ( arg-str arg-len unit-str unit-len -- ) 
+  ?my-self drop
+
+  depth 1- >r
+  " decode-unit" ['] $call-parent catch if
+    2drop 2drop
+  then
+  
+  my-self ihandle>phandle >dn.probe-addr \ offset
+  begin depth r@ > while
+    dup na1+ >r ! r>
+  repeat
+  r> 2drop
+
+  my-self >in.arguments 2@ free-mem
+  strdup my-self >in.arguments 2!
+;
+
+: dma-alloc
+  s" dma-alloc" $call-parent
+  ;