[OpenSPARC-T2-SAM] / obp / obp / fm / kernel / sparc / filecode.fth

\ ========== Copyright Header Begin ==========================================
\ 
\ Hypervisor Software File: filecode.fth
\ 
\ Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
\ 
\  - Do no alter or remove copyright notices
\ 
\  - Redistribution and use of this software in source and binary forms, with 
\    or without modification, are permitted provided that the following 
\    conditions are met: 
\ 
\  - Redistribution of source code must retain the above copyright notice, 
\    this list of conditions and the following disclaimer.
\ 
\  - Redistribution in binary form must reproduce the above copyright notice,
\    this list of conditions and the following disclaimer in the
\    documentation and/or other materials provided with the distribution. 
\ 
\    Neither the name of Sun Microsystems, Inc. or the names of contributors 
\ may be used to endorse or promote products derived from this software 
\ without specific prior written permission. 
\ 
\     This software is provided "AS IS," without a warranty of any kind. 
\ ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, 
\ INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A 
\ PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN 
\ MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR 
\ ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR 
\ DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN 
\ OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR 
\ FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE 
\ DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, 
\ ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF 
\ SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
\ 
\ You acknowledge that this software is not designed, licensed or
\ intended for use in the design, construction, operation or maintenance of
\ any nuclear facility. 
\ 
\ ========== Copyright Header End ============================================
\ filecode.fth 2.9 02/05/02
\ Copyright 1985-1990 Bradley Forthware
\ Copyright 1990-2002 Sun Microsystems, Inc.  All Rights Reserved
\ Copyright Use is subject to license terms.

\ Code words to support the file system interface - Sunrise versions

headerless
\ signed mixed mode addition (same as + on the Sunrise)
code ln+   (s n1 n2 -- n3 )  sp  scr  pop   tos scr  tos  add   c;

\ &ptr is the address of a pointer.  fetch the pointed-to
\ character and post-increment the pointer

code @c@++ ( &ptr -- char )
   tos    scr   get     \ Fetch the pointer
   tos    sc1   move	\ Copy of the address
   scr 0  tos   ldub    \ Get the byte
   scr 1  scr   add     \ Increment the pointer
   scr    sc1   put     \ Replace the pointer
c;

\ &ptr is the address of a pointer.  store the character into
\ the pointed-to location and post-increment the pointer

code @c!++ ( char &ptr -- )
   tos    scr    get     \ Fetch the pointer
   sp     sc1    pop     \ char in sc1
   sc1    scr 0  stb     \ Put the byte
   scr 1  scr    add     \ Increment the pointer
   scr    tos    put     \ Replace the pointer
   sp     tos    pop     \ Fixup top of stack
c;

\ "adr1 len2" is the longest initial substring of the string "adr1 len1"
\ that does not contain the character "char".  "adr2 len1-len2" is the
\ trailing substring of "adr1 len1" that is not included in "adr1 len2".
\ Accordingly, if there are no occurrences of that character in "adr1 len1",
\ "len2" equals "len1", so the return values are "adr1 len1  adr1+len1 0"

code split-string  ( adr1 len1 char -- adr1 len2  adr1+len2 len1-len2 )
			\ char in tos
   sp 0 /n*  sc1  nget	\ len1
   sp 1 /n*  scr  nget	\ adr1
   sp 1 /n*  sp   sub	\ Make room for extra return value

   scr sc1   scr  add	\ Point to end
   %g0 sc1   sc3  sub	\ Index counts up from -len1
   sc3 1     sc3  sub	\ Account for pre-increment

   ahead
   sc3 1  sc3  addcc		\ Delay: Increment and test counter
   begin

      tos sc2       cmp		\ Compare to delimiter
      = if annul		\ Exit if delimiter found
      sc3 1  sc3  addcc		\ Delay: Increment and test counter

         sc1 sc3    sc1  add	\ Compute len2
	 sc1   sp 1 /n*  nput	\ .. and store on stack

	 scr sc3    scr  add	\ Compute adr1+len2
	 scr   sp 0 /n*  nput	\ .. and store on stack

         %g0 sc3    tos  sub	\ Return len1-len2
	 next
      then

   but then
   0= until annul
   scr sc3  sc2  ldub	\ Delay: Get the next character

   \ The test character is not present in the input string

   scr   sp 0 /n*   nput	\ Store adr1+len2 on stack
   %g0   tos        move	\ Return rem-len=0
c;

headers

nuser delimiter  \ delimiter actually found at end of word

nuser file

:-h struct ( -- 0 )  00  ;-h

\ Run-time action for fields
code-field: dofield
\itc   sp           adec
   tos         sp   put    \ Push the tos register
\t16   apf     scr  lduh   \ Get the structure member offset
\t32   apf     scr  ld     \ Get the structure member offset
   'user file  sc1  ld     \ Get the structure base address
64\ 'user file /l + sc2  ld
64\  sc1  h# 20     sc1  sllx
64\  sc2  sc1       sc1  or
   sc1 scr     tos  add    \ Return the structure member address
c;

\ Assembles the code field when metacompiling a field
:-h file-field-cf   ( -- )   dofield place-cf-t  ;-h

\ Metacompiler defining word for creating fields
:-h file-field  \ name  ( offset scrze -- offset' )
   " file-field-cf" header-t  over
\t32-t l,-t
\t16-t w,-t
   +   ?debug
;-h
Commit	Line	Data
920dae64 AT	1	\ ========== Copyright Header Begin ==========================================
	2	\
	3	\ Hypervisor Software File: filecode.fth
	4	\
	5	\ Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
	6	\
	7	\ - Do no alter or remove copyright notices
	8	\
	9	\ - Redistribution and use of this software in source and binary forms, with
	10	\ or without modification, are permitted provided that the following
	11	\ conditions are met:
	12	\
	13	\ - Redistribution of source code must retain the above copyright notice,
	14	\ this list of conditions and the following disclaimer.
	15	\
	16	\ - Redistribution in binary form must reproduce the above copyright notice,
	17	\ this list of conditions and the following disclaimer in the
	18	\ documentation and/or other materials provided with the distribution.
	19	\
	20	\ Neither the name of Sun Microsystems, Inc. or the names of contributors
	21	\ may be used to endorse or promote products derived from this software
	22	\ without specific prior written permission.
	23	\
	24	\ This software is provided "AS IS," without a warranty of any kind.
	25	\ ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
	26	\ INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
	27	\ PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
	28	\ MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
	29	\ ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
	30	\ DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN
	31	\ OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR
	32	\ FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
	33	\ DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
	34	\ ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
	35	\ SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
	36	\
	37	\ You acknowledge that this software is not designed, licensed or
	38	\ intended for use in the design, construction, operation or maintenance of
	39	\ any nuclear facility.
	40	\
	41	\ ========== Copyright Header End ============================================
	42	\ filecode.fth 2.9 02/05/02
	43	\ Copyright 1985-1990 Bradley Forthware
	44	\ Copyright 1990-2002 Sun Microsystems, Inc. All Rights Reserved
	45	\ Copyright Use is subject to license terms.
	46
	47	\ Code words to support the file system interface - Sunrise versions
	48
	49	headerless
	50	\ signed mixed mode addition (same as + on the Sunrise)
	51	code ln+ (s n1 n2 -- n3 ) sp scr pop tos scr tos add c;
	52
	53	\ &ptr is the address of a pointer. fetch the pointed-to
	54	\ character and post-increment the pointer
	55
	56	code @c@++ ( &ptr -- char )
	57	tos scr get \ Fetch the pointer
	58	tos sc1 move \ Copy of the address
	59	scr 0 tos ldub \ Get the byte
	60	scr 1 scr add \ Increment the pointer
	61	scr sc1 put \ Replace the pointer
	62	c;
	63
	64	\ &ptr is the address of a pointer. store the character into
65	\ the pointed-to location and post-increment the pointer
66
67	code @c!++ ( char &ptr -- )
68	tos scr get \ Fetch the pointer
69	sp sc1 pop \ char in sc1
70	sc1 scr 0 stb \ Put the byte
71	scr 1 scr add \ Increment the pointer
72	scr tos put \ Replace the pointer
73	sp tos pop \ Fixup top of stack
74	c;
75
76	\ "adr1 len2" is the longest initial substring of the string "adr1 len1"
77	\ that does not contain the character "char". "adr2 len1-len2" is the
78	\ trailing substring of "adr1 len1" that is not included in "adr1 len2".
79	\ Accordingly, if there are no occurrences of that character in "adr1 len1",
80	\ "len2" equals "len1", so the return values are "adr1 len1 adr1+len1 0"
81
82	code split-string ( adr1 len1 char -- adr1 len2 adr1+len2 len1-len2 )
83	\ char in tos
84	sp 0 /n* sc1 nget \ len1
85	sp 1 /n* scr nget \ adr1
86	sp 1 /n* sp sub \ Make room for extra return value
87
88	scr sc1 scr add \ Point to end
89	%g0 sc1 sc3 sub \ Index counts up from -len1
90	sc3 1 sc3 sub \ Account for pre-increment
91
92	ahead
93	sc3 1 sc3 addcc \ Delay: Increment and test counter
94	begin
95
96	tos sc2 cmp \ Compare to delimiter
97	= if annul \ Exit if delimiter found
98	sc3 1 sc3 addcc \ Delay: Increment and test counter
99
100	sc1 sc3 sc1 add \ Compute len2
101	sc1 sp 1 /n* nput \ .. and store on stack
102
103	scr sc3 scr add \ Compute adr1+len2
104	scr sp 0 /n* nput \ .. and store on stack
105
106	%g0 sc3 tos sub \ Return len1-len2
107	next
108	then
109
110	but then
111	0= until annul
112	scr sc3 sc2 ldub \ Delay: Get the next character
113
114	\ The test character is not present in the input string
115
116	scr sp 0 /n* nput \ Store adr1+len2 on stack
117	%g0 tos move \ Return rem-len=0
118	c;
119
120	headers
121
122	nuser delimiter \ delimiter actually found at end of word
123
124	nuser file
125
126	:-h struct ( -- 0 ) 00 ;-h
127
128	\ Run-time action for fields
129	code-field: dofield
130	\itc sp adec
131	tos sp put \ Push the tos register
132	\t16 apf scr lduh \ Get the structure member offset
133	\t32 apf scr ld \ Get the structure member offset
134	'user file sc1 ld \ Get the structure base address
135	64\ 'user file /l + sc2 ld
136	64\ sc1 h# 20 sc1 sllx
137	64\ sc2 sc1 sc1 or
138	sc1 scr tos add \ Return the structure member address
139	c;
140
141	\ Assembles the code field when metacompiling a field
142	:-h file-field-cf ( -- ) dofield place-cf-t ;-h
143
144	\ Metacompiler defining word for creating fields
145	:-h file-field \ name ( offset scrze -- offset' )
146	" file-field-cf" header-t over
147	\t32-t l,-t
148	\t16-t w,-t
149	+ ?debug
150	;-h