forked from OSVVM/OSVVM
-
Notifications
You must be signed in to change notification settings - Fork 0
/
MemoryPkg.vhd
667 lines (594 loc) · 27 KB
/
MemoryPkg.vhd
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
--
-- File Name: MemoryPkg.vhd
-- Design Unit Name: MemoryPkg
-- Revision: STANDARD VERSION
--
-- Maintainer: Jim Lewis email: [email protected]
-- Contributor(s):
-- Jim Lewis email: [email protected]
--
-- Description
-- Package defines a protected type, MemoryPType, and methods
-- for efficiently implementing memory data structures
--
-- Developed for:
-- SynthWorks Design Inc.
-- VHDL Training Classes
-- 11898 SW 128th Ave. Tigard, Or 97223
-- http://www.SynthWorks.com
--
-- Revision History:
-- Date Version Description
-- 05/2005: 0.1 Initial revision
-- 06/2015: 2015.06 Updated for Alerts, ...
-- Numerous revisions for VHDL Testbenches and Verification
-- 01/2016: 2016.01 Update for buf.all(buf'left)
--
--
-- Copyright (c) 2005 - 2016 by SynthWorks Design Inc. All rights reserved.
--
-- Verbatim copies of this source file may be used and
-- distributed without restriction.
--
-- This source file is free software; you can redistribute it
-- and/or modify it under the terms of the ARTISTIC License
-- as published by The Perl Foundation; either version 2.0 of
-- the License, or (at your option) any later version.
--
-- This source is distributed in the hope that it will be
-- useful, but WITHOUT ANY WARRANTY; without even the implied
-- warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-- PURPOSE. See the Artistic License for details.
--
-- You should have received a copy of the license with this source.
-- If not download it from,
-- http://www.perlfoundation.org/artistic_license_2_0
--
use std.textio.all ;
library IEEE ;
use IEEE.std_logic_1164.all ;
use IEEE.numeric_std.all ;
use IEEE.numeric_std_unsigned.all ;
use IEEE.math_real.all ;
use work.TextUtilPkg.all ;
use work.TranscriptPkg.all ;
use work.AlertLogPkg.all ;
package MemoryPkg is
type MemoryPType is protected
------------------------------------------------------------
procedure MemInit ( AddrWidth, DataWidth : in integer ) ;
------------------------------------------------------------
procedure MemWrite ( Addr, Data : in std_logic_vector ) ;
------------------------------------------------------------
procedure MemRead (
Addr : in std_logic_vector ;
Data : out std_logic_vector
) ;
impure function MemRead ( Addr : std_logic_vector ) return std_logic_vector ;
------------------------------------------------------------
procedure MemErase ;
procedure deallocate ;
------------------------------------------------------------
procedure SetAlertLogID (A : AlertLogIDType) ;
procedure SetAlertLogID (Name : string ; ParentID : AlertLogIDType := ALERTLOG_BASE_ID ; CreateHierarchy : Boolean := TRUE) ;
impure function GetAlertLogID return AlertLogIDType ;
------------------------------------------------------------
procedure FileReadH ( -- Hexadecimal File Read
FileName : string ;
StartAddr : std_logic_vector ;
EndAddr : std_logic_vector
) ;
procedure FileReadH (FileName : string ; StartAddr : std_logic_vector) ;
procedure FileReadH (FileName : string) ;
------------------------------------------------------------
procedure FileReadB ( -- Binary File Read
FileName : string ;
StartAddr : std_logic_vector ;
EndAddr : std_logic_vector
) ;
procedure FileReadB (FileName : string ; StartAddr : std_logic_vector) ;
procedure FileReadB (FileName : string) ;
------------------------------------------------------------
procedure FileWriteH ( -- Hexadecimal File Write
FileName : string ;
StartAddr : std_logic_vector ;
EndAddr : std_logic_vector
) ;
procedure FileWriteH (FileName : string ; StartAddr : std_logic_vector) ;
procedure FileWriteH (FileName : string) ;
------------------------------------------------------------
procedure FileWriteB ( -- Binary File Write
FileName : string ;
StartAddr : std_logic_vector ;
EndAddr : std_logic_vector
) ;
procedure FileWriteB (FileName : string ; StartAddr : std_logic_vector) ;
procedure FileWriteB (FileName : string) ;
end protected MemoryPType ;
end MemoryPkg ;
package body MemoryPkg is
constant BLOCK_WIDTH : integer := 10 ;
type MemoryPType is protected body
type MemBlockType is array (integer range <>) of integer ;
type MemBlockPtrType is access MemBlockType ;
type MemArrayType is array (integer range <>) of MemBlockPtrType ;
type ArrayPtrVarType is access MemArrayType ;
variable ArrayPtrVar : ArrayPtrVarType := NULL ;
variable AddrWidthVar : integer := -1 ; -- set by MemInit - merges addr length and initialized checks.
variable DataWidthVar : natural := 1 ; -- set by MemInit
variable BlockkWidthVar : natural := 0 ; -- set by MemInit
variable AlertLogIDVar : AlertLogIDType := OSVVM_ALERTLOG_ID ;
type FileFormatType is (BINARY, HEX) ;
------------------------------------------------------------
procedure MemInit ( AddrWidth, DataWidth : In integer ) is
------------------------------------------------------------
begin
if AddrWidth <= 0 then
Alert(AlertLogIDVar, "MemoryPType.MemInit. AddrWidth = " & to_string(AddrWidth) & " must be > 0.", FAILURE) ;
return ;
end if ;
if DataWidth <= 0 then
Alert(AlertLogIDVar, "MemoryPType.MemInit. DataWidth = " & to_string(DataWidth) & " must be > 0.", FAILURE) ;
return ;
end if ;
AddrWidthVar := AddrWidth ;
DataWidthVar := DataWidth ;
BlockkWidthVar := minimum(BLOCK_WIDTH, AddrWidth) ;
ArrayPtrVar := new MemArrayType(0 to 2**(AddrWidth-BlockkWidthVar)-1) ;
end procedure MemInit ;
------------------------------------------------------------
procedure MemWrite ( Addr, Data : in std_logic_vector ) is
------------------------------------------------------------
variable BlockAddr, WordAddr : integer ;
alias aAddr : std_logic_vector (Addr'length-1 downto 0) is Addr ;
begin
-- Check Bounds of Address and if memory is initialized
if Addr'length /= AddrWidthVar then
if (ArrayPtrVar = NULL) then
Alert(AlertLogIDVar, "MemoryPType.MemWrite: Memory not initialized, Write Ignored.", FAILURE) ;
else
Alert(AlertLogIDVar, "MemoryPType.MemWrite: Addr'length: " & to_string(Addr'length) & " /= Memory Address Width: " & to_string(AddrWidthVar), FAILURE) ;
end if ;
return ;
end if ;
-- Check Bounds on Data
if Data'length /= DataWidthVar then
Alert(AlertLogIDVar, "MemoryPType.MemWrite: Data'length: " & to_string(Data'length) & " /= Memory Data Width: " & to_string(DataWidthVar), FAILURE) ;
return ;
end if ;
if is_X( Addr ) then
Alert(AlertLogIDVar, "MemoryPType.MemWrite: Address X, Write Ignored.") ;
return ;
end if ;
-- Slice out upper address to form block address
if aAddr'high >= BlockkWidthVar then
BlockAddr := to_integer(aAddr(aAddr'high downto BlockkWidthVar)) ;
else
BlockAddr := 0 ;
end if ;
-- If empty, allocate a memory block
if (ArrayPtrVar(BlockAddr) = NULL) then
ArrayPtrVar(BlockAddr) := new MemBlockType(0 to 2**BlockkWidthVar-1) ;
end if ;
-- Address of a word within a block
WordAddr := to_integer(aAddr(BlockkWidthVar -1 downto 0)) ;
-- Write to BlockAddr, WordAddr
if (Is_X(Data)) then
ArrayPtrVar(BlockAddr)(WordAddr) := -1 ;
else
ArrayPtrVar(BlockAddr)(WordAddr) := to_integer( Data ) ;
end if ;
end procedure MemWrite ;
------------------------------------------------------------
procedure MemRead (
------------------------------------------------------------
Addr : In std_logic_vector ;
Data : Out std_logic_vector
) is
variable BlockAddr, WordAddr : integer ;
alias aAddr : std_logic_vector (Addr'length-1 downto 0) is Addr ;
begin
-- Check Bounds of Address and if memory is initialized
if Addr'length /= AddrWidthVar then
if (ArrayPtrVar = NULL) then
Alert(AlertLogIDVar, "MemoryPType.MemRead: Memory not initialized. Returning U", FAILURE) ;
else
Alert(AlertLogIDVar, "MemoryPType.MemRead: Addr'length: " & to_string(Addr'length) & " /= Memory Address Width: " & to_string(AddrWidthVar), FAILURE) ;
end if ;
Data := (Data'range => 'U') ;
return ;
end if ;
-- Check Bounds on Data
if Data'length /= DataWidthVar then
Alert(AlertLogIDVar, "MemoryPType.MemRead: Data'length: " & to_string(Data'length) & " /= Memory Data Width: " & to_string(DataWidthVar), FAILURE) ;
Data := (Data'range => 'U') ;
return ;
end if ;
-- If Addr X, data = X
if is_X( aAddr ) then
Data := (Data'range => 'X') ;
return ;
end if ;
-- Slice out upper address to form block address
if aAddr'high >= BlockkWidthVar then
BlockAddr := to_integer(aAddr(aAddr'high downto BlockkWidthVar)) ;
else
BlockAddr := 0 ;
end if ;
-- Empty Block, return all U
if (ArrayPtrVar(BlockAddr) = NULL) then
Data := (Data'range => 'U') ;
return ;
end if ;
-- Address of a word within a block
WordAddr := to_integer(aAddr(BlockkWidthVar -1 downto 0)) ;
-- X in Word, return all X
if (ArrayPtrVar(BlockAddr)(WordAddr) < 0) then
Data := (Data'range => 'X') ;
-- Get the Word from the Array
else
Data := to_slv(ArrayPtrVar(BlockAddr)(WordAddr), Data'length) ;
end if ;
end procedure MemRead ;
------------------------------------------------------------
impure function MemRead ( Addr : std_logic_vector ) return std_logic_vector is
------------------------------------------------------------
variable BlockAddr, WordAddr : integer ;
alias aAddr : std_logic_vector (Addr'length-1 downto 0) is Addr ;
variable Data : std_logic_vector(DataWidthVar-1 downto 0) ;
begin
MemRead(Addr, Data) ;
return Data ;
end function MemRead ;
------------------------------------------------------------
procedure MemErase is
-- Deallocate the memory, but not the array of pointers
------------------------------------------------------------
begin
for BlockAddr in ArrayPtrVar'range loop
if (ArrayPtrVar(BlockAddr) /= NULL) then
deallocate (ArrayPtrVar(BlockAddr)) ;
end if ;
end loop ;
end procedure ;
------------------------------------------------------------
procedure deallocate is
-- Deallocate all allocated memory
------------------------------------------------------------
begin
MemErase ;
deallocate(ArrayPtrVar) ;
AddrWidthVar := -1 ;
DataWidthVar := 1 ;
BlockkWidthVar := 0 ;
end procedure ;
------------------------------------------------------------
procedure SetAlertLogID (A : AlertLogIDType) is
------------------------------------------------------------
begin
AlertLogIDVar := A ;
end procedure SetAlertLogID ;
------------------------------------------------------------
procedure SetAlertLogID(Name : string ; ParentID : AlertLogIDType := ALERTLOG_BASE_ID ; CreateHierarchy : Boolean := TRUE) is
------------------------------------------------------------
begin
AlertLogIDVar := GetAlertLogID(Name, ParentID, CreateHierarchy) ;
end procedure SetAlertLogID ;
------------------------------------------------------------
impure function GetAlertLogID return AlertLogIDType is
------------------------------------------------------------
begin
return AlertLogIDVar ;
end function GetAlertLogID ;
------------------------------------------------------------
-- PT Local
procedure FileReadX (
-- Hexadecimal or Binary File Read
------------------------------------------------------------
FileName : string ;
DataFormat : FileFormatType ;
StartAddr : std_logic_vector ;
EndAddr : std_logic_vector
) is
-- Format:
-- @hh..h -- Address in hex
-- hhh_XX_ZZ -- data values in hex - space delimited
-- "--" or "//" -- comments
file MemFile : text open READ_MODE is FileName ;
variable Addr : std_logic_vector(AddrWidthVar - 1 downto 0) ;
variable SmallAddr : std_logic_vector(AddrWidthVar - 1 downto 0) ;
variable BigAddr : std_logic_vector(AddrWidthVar - 1 downto 0) ;
variable Data : std_logic_vector(DataWidthVar - 1 downto 0) ;
variable LineNum : natural ;
variable ItemNum : natural ;
variable AddrInc : std_logic_vector(AddrWidthVar - 1 downto 0) ;
variable buf : line ;
variable ReadValid : boolean ;
variable Empty : boolean ;
variable MultiLineComment : boolean ;
variable NextChar : character ;
variable StrLen : integer ;
begin
MultiLineComment := FALSE ;
if StartAddr'length /= AddrWidthVar and EndAddr'length /= AddrWidthVar then
if (ArrayPtrVar = NULL) then
Alert(AlertLogIDVar, "MemoryPType.FileReadX: Memory not initialized, FileRead Ignored.", FAILURE) ;
else
Alert(AlertLogIDVar, "MemoryPType.FileReadX: Addr'length: " & to_string(Addr'length) & " /= Memory Address Width: " & to_string(AddrWidthVar), FAILURE) ;
end if ;
return ;
end if ;
Addr := StartAddr ;
LineNum := 0 ;
if StartAddr <= EndAddr then
SmallAddr := StartAddr ;
BigAddr := EndAddr ;
AddrInc := (AddrWidthVar -1 downto 0 => '0') + 1 ;
else
SmallAddr := EndAddr ;
BigAddr := StartAddr ;
AddrInc := (others => '1') ; -- -1
end if;
ReadLineLoop : while not EndFile(MemFile) loop
ReadLine(MemFile, buf) ;
LineNum := LineNum + 1 ;
ItemNum := 0 ;
ItemLoop : loop
EmptyOrCommentLine(buf, Empty, MultiLineComment) ;
exit ItemLoop when Empty ;
ItemNum := ItemNum + 1 ;
NextChar := buf.all(buf'left) ;
if (NextChar = '@') then
-- Get Address
read(buf, NextChar) ;
ReadHexToken(buf, Addr, StrLen) ;
exit ReadLineLoop when AlertIf(AlertLogIDVar, StrLen = 0, "MemoryPType.FileReadX: Address length 0 on line: " & to_string(LineNum), FAILURE) ;
exit ItemLoop when AlertIf(AlertLogIDVar, Addr < SmallAddr,
"MemoryPType.FileReadX: Address in file: " & to_hstring(Addr) &
" < StartAddr: " & to_hstring(StartAddr) & " on line: " & to_string(LineNum)) ;
exit ItemLoop when AlertIf(AlertLogIDVar, Addr > BigAddr,
"MemoryPType.FileReadX: Address in file: " & to_hstring(Addr) &
" > EndAddr: " & to_hstring(BigAddr) & " on line: " & to_string(LineNum)) ;
elsif DataFormat = HEX and ishex(NextChar) then
-- Get Hex Data
ReadHexToken(buf, data, StrLen) ;
exit ReadLineLoop when AlertIfNot(AlertLogIDVar, StrLen > 0,
"MemoryPType.FileReadH: Error while reading data on line: " & to_string(LineNum) &
" Item number: " & to_string(ItemNum), FAILURE) ;
log("MemoryPType.FileReadX: MemWrite(Addr => " & to_hstring(Addr) & ", Data => " & to_hstring(Data) & ")", DEBUG) ;
MemWrite(Addr, data) ;
Addr := Addr + AddrInc ;
elsif DataFormat = BINARY and isstd_logic(NextChar) then
-- Get Binary Data
-- read(buf, data, ReadValid) ;
ReadBinaryToken(buf, data, StrLen) ;
-- exit ReadLineLoop when AlertIfNot(AlertLogIDVar, ReadValid,
exit ReadLineLoop when AlertIfNot(AlertLogIDVar, StrLen > 0,
"MemoryPType.FileReadB: Error while reading data on line: " & to_string(LineNum) &
" Item number: " & to_string(ItemNum), FAILURE) ;
log("MemoryPType.FileReadX: MemWrite(Addr => " & to_hstring(Addr) & ", Data => " & to_string(Data) & ")", DEBUG) ;
MemWrite(Addr, data) ;
Addr := Addr + AddrInc ;
else
-- Invalid Text, Issue Warning and skip it
Alert(AlertLogIDVar,
"MemoryPType.FileReadX: Invalid text on line: " & to_string(LineNum) &
" Item: " & to_string(ItemNum) & ". Skipping text: " & buf.all) ;
exit ItemLoop ;
end if ;
end loop ItemLoop ;
end loop ReadLineLoop ;
-- -- must read EndAddr-StartAddr number of words if both start and end specified
-- if (StartAddr /= 0 or (not EndAddr) /= 0) and (Addr /= EndAddr) then
-- Alert("MemoryPType.FileReadH: insufficient data values", WARNING) ;
-- end if ;
file_close(MemFile) ;
end FileReadX ;
------------------------------------------------------------
procedure FileReadH (
-- Hexadecimal File Read
------------------------------------------------------------
FileName : string ;
StartAddr : std_logic_vector ;
EndAddr : std_logic_vector
) is
begin
FileReadX(FileName, HEX, StartAddr, EndAddr) ;
end FileReadH ;
------------------------------------------------------------
procedure FileReadH (FileName : string ; StartAddr : std_logic_vector) is
-- Hexadecimal File Read
------------------------------------------------------------
constant EndAddr : std_logic_vector(AddrWidthVar - 1 downto 0) := (others => '1') ;
begin
FileReadX(FileName, HEX, StartAddr, EndAddr) ;
end FileReadH ;
------------------------------------------------------------
procedure FileReadH (FileName : string) is
-- Hexadecimal File Read
------------------------------------------------------------
constant StartAddr : std_logic_vector(AddrWidthVar - 1 downto 0) := (others => '0') ;
constant EndAddr : std_logic_vector(AddrWidthVar - 1 downto 0) := (others => '1') ;
begin
FileReadX(FileName, HEX, StartAddr, EndAddr) ;
end FileReadH ;
------------------------------------------------------------
procedure FileReadB (
-- Binary File Read
------------------------------------------------------------
FileName : string ;
StartAddr : std_logic_vector ;
EndAddr : std_logic_vector
) is
begin
FileReadX(FileName, BINARY, StartAddr, EndAddr) ;
end FileReadB ;
------------------------------------------------------------
procedure FileReadB (FileName : string ; StartAddr : std_logic_vector) is
-- Binary File Read
------------------------------------------------------------
constant EndAddr : std_logic_vector(AddrWidthVar - 1 downto 0) := (others => '1') ;
begin
FileReadX(FileName, BINARY, StartAddr, EndAddr) ;
end FileReadB ;
------------------------------------------------------------
procedure FileReadB (FileName : string) is
-- Binary File Read
------------------------------------------------------------
constant StartAddr : std_logic_vector(AddrWidthVar - 1 downto 0) := (others => '0') ;
constant EndAddr : std_logic_vector(AddrWidthVar - 1 downto 0) := (others => '1') ;
begin
FileReadX(FileName, BINARY, StartAddr, EndAddr) ;
end FileReadB ;
------------------------------------------------------------
-- PT Local
procedure FileWriteX (
-- Hexadecimal or Binary File Write
------------------------------------------------------------
FileName : string ;
DataFormat : FileFormatType ;
StartAddr : std_logic_vector ;
EndAddr : std_logic_vector
) is
-- Format:
-- @hh..h -- Address in hex
-- hhhhh -- data one per line in either hex or binary as specified
file MemFile : text open WRITE_MODE is FileName ;
alias normStartAddr : std_logic_vector(StartAddr'length-1 downto 0) is StartAddr ;
alias normEndAddr : std_logic_vector(EndAddr'length-1 downto 0) is EndAddr ;
variable StartBlockAddr : natural ;
variable EndBlockAddr : natural ;
variable StartWordAddr : natural ;
variable EndWordAddr : natural ;
variable Data : std_logic_vector(DataWidthVar - 1 downto 0) ;
variable FoundData : boolean ;
variable buf : line ;
begin
if StartAddr'length /= AddrWidthVar and EndAddr'length /= AddrWidthVar then
-- Check StartAddr and EndAddr Widths and Memory not initialized
if (ArrayPtrVar = NULL) then
Alert(AlertLogIDVar, "MemoryPType.FileWriteX: Memory not initialized, FileRead Ignored.", FAILURE) ;
else
AlertIf(AlertLogIDVar, StartAddr'length /= AddrWidthVar, "MemoryPType.FileWriteX: StartAddr'length: "
& to_string(StartAddr'length) &
" /= Memory Address Width: " & to_string(AddrWidthVar), FAILURE) ;
AlertIf(AlertLogIDVar, EndAddr'length /= AddrWidthVar, "MemoryPType.FileWriteX: EndAddr'length: "
& to_string(EndAddr'length) &
" /= Memory Address Width: " & to_string(AddrWidthVar), FAILURE) ;
end if ;
return ;
end if ;
if StartAddr > EndAddr then
-- Only support ascending addresses
Alert(AlertLogIDVar, "MemoryPType.FileWriteX: StartAddr: " & to_hstring(StartAddr) &
" > EndAddr: " & to_hstring(EndAddr), FAILURE) ;
return ;
end if ;
-- Slice out upper address to form block address
if AddrWidthVar >= BlockkWidthVar then
StartBlockAddr := to_integer(normStartAddr(AddrWidthVar-1 downto BlockkWidthVar)) ;
EndBlockAddr := to_integer( normEndAddr(AddrWidthVar-1 downto BlockkWidthVar)) ;
else
StartBlockAddr := 0 ;
EndBlockAddr := 0 ;
end if ;
BlockAddrLoop : for BlockAddr in StartBlockAddr to EndBlockAddr loop
next BlockAddrLoop when ArrayPtrVar(BlockAddr) = NULL ;
if BlockAddr = StartBlockAddr then
StartWordAddr := to_integer(normStartAddr(BlockkWidthVar-1 downto 0)) ;
else
StartWordAddr := 0 ;
end if ;
if BlockAddr = EndBlockAddr then
EndWordAddr := to_integer(normEndAddr(BlockkWidthVar-1 downto 0)) ;
else
EndWordAddr := 2**BlockkWidthVar-1 ;
end if ;
FoundData := FALSE ;
WordAddrLoop : for WordAddr in StartWordAddr to EndWordAddr loop
if (ArrayPtrVar(BlockAddr)(WordAddr) < 0) then
-- X in Word, return all X
Data := (Data'range => 'X') ;
FoundData := FALSE ;
else
-- Get the Word from the Array
Data := to_slv(ArrayPtrVar(BlockAddr)(WordAddr), Data'length) ;
if not FoundData then
-- Write Address
write(buf, '@') ;
hwrite(buf, to_slv(BlockAddr, AddrWidthVar-BlockkWidthVar) & to_slv(WordAddr, BlockkWidthVar)) ;
writeline(MemFile, buf) ;
end if ;
FoundData := TRUE ;
end if ;
if FoundData then -- Write Data
if DataFormat = HEX then
hwrite(buf, Data) ;
writeline(MemFile, buf) ;
else
write(buf, Data) ;
writeline(MemFile, buf) ;
end if;
end if ;
end loop WordAddrLoop ;
end loop BlockAddrLoop ;
file_close(MemFile) ;
end FileWriteX ;
------------------------------------------------------------
procedure FileWriteH (
-- Hexadecimal File Write
------------------------------------------------------------
FileName : string ;
StartAddr : std_logic_vector ;
EndAddr : std_logic_vector
) is
begin
FileWriteX(FileName, HEX, StartAddr, EndAddr) ;
end FileWriteH ;
------------------------------------------------------------
procedure FileWriteH (FileName : string ; StartAddr : std_logic_vector) is
-- Hexadecimal File Write
------------------------------------------------------------
constant EndAddr : std_logic_vector(AddrWidthVar - 1 downto 0) := (others => '1') ;
begin
FileWriteX(FileName, HEX, StartAddr, EndAddr) ;
end FileWriteH ;
------------------------------------------------------------
procedure FileWriteH (FileName : string) is
-- Hexadecimal File Write
------------------------------------------------------------
constant StartAddr : std_logic_vector(AddrWidthVar - 1 downto 0) := (others => '0') ;
constant EndAddr : std_logic_vector(AddrWidthVar - 1 downto 0) := (others => '1') ;
begin
FileWriteX(FileName, HEX, StartAddr, EndAddr) ;
end FileWriteH ;
------------------------------------------------------------
procedure FileWriteB (
-- Binary File Write
------------------------------------------------------------
FileName : string ;
StartAddr : std_logic_vector ;
EndAddr : std_logic_vector
) is
begin
FileWriteX(FileName, BINARY, StartAddr, EndAddr) ;
end FileWriteB ;
------------------------------------------------------------
procedure FileWriteB (FileName : string ; StartAddr : std_logic_vector) is
-- Binary File Write
------------------------------------------------------------
constant EndAddr : std_logic_vector(AddrWidthVar - 1 downto 0) := (others => '1') ;
begin
FileWriteX(FileName, BINARY, StartAddr, EndAddr) ;
end FileWriteB ;
------------------------------------------------------------
procedure FileWriteB (FileName : string) is
-- Binary File Write
------------------------------------------------------------
constant StartAddr : std_logic_vector(AddrWidthVar - 1 downto 0) := (others => '0') ;
constant EndAddr : std_logic_vector(AddrWidthVar - 1 downto 0) := (others => '1') ;
begin
FileWriteX(FileName, BINARY, StartAddr, EndAddr) ;
end FileWriteB ;
end protected body MemoryPType ;
end MemoryPkg ;