aslrestype1.c revision 306536 
1/******************************************************************************
2 *
3 * Module Name: aslrestype1 - Miscellaneous small resource descriptors
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2016, Intel Corp.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions, and the following disclaimer,
16 *    without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 *    substantially similar to the "NO WARRANTY" disclaimer below
19 *    ("Disclaimer") and any redistribution must be conditioned upon
20 *    including a substantially similar Disclaimer requirement for further
21 *    binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 *    of any contributors may be used to endorse or promote products derived
24 *    from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
29 *
30 * NO WARRANTY
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
42 */
43
44#include <contrib/dev/acpica/compiler/aslcompiler.h>
45#include "aslcompiler.y.h"
46
47#define _COMPONENT          ACPI_COMPILER
48        ACPI_MODULE_NAME    ("aslrestype1")
49
50/*
51 * This module contains miscellaneous small resource descriptors:
52 *
53 * EndTag
54 * EndDependentFn
55 * Memory24
56 * Memory32
57 * Memory32Fixed
58 * StartDependentFn
59 * StartDependentFnNoPri
60 * VendorShort
61 */
62
63/*******************************************************************************
64 *
65 * FUNCTION:    RsDoEndTagDescriptor
66 *
67 * PARAMETERS:  Info                - Parse Op and resource template offset
68 *
69 * RETURN:      Completed resource node
70 *
71 * DESCRIPTION: Construct a short "EndDependentFn" descriptor
72 *
73 ******************************************************************************/
74
75ASL_RESOURCE_NODE *
76RsDoEndTagDescriptor (
77    ASL_RESOURCE_INFO       *Info)
78{
79    AML_RESOURCE            *Descriptor;
80    ASL_RESOURCE_NODE       *Rnode;
81
82
83    Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_END_TAG));
84
85    Descriptor = Rnode->Buffer;
86    Descriptor->EndTag.DescriptorType = ACPI_RESOURCE_NAME_END_TAG |
87                                        ASL_RDESC_END_TAG_SIZE;
88    Descriptor->EndTag.Checksum = 0;
89    return (Rnode);
90}
91
92
93/*******************************************************************************
94 *
95 * FUNCTION:    RsDoEndDependentDescriptor
96 *
97 * PARAMETERS:  Info                - Parse Op and resource template offset
98 *
99 * RETURN:      Completed resource node
100 *
101 * DESCRIPTION: Construct a short "EndDependentFn" descriptor
102 *
103 ******************************************************************************/
104
105ASL_RESOURCE_NODE *
106RsDoEndDependentDescriptor (
107    ASL_RESOURCE_INFO       *Info)
108{
109    AML_RESOURCE            *Descriptor;
110    ASL_RESOURCE_NODE       *Rnode;
111
112
113    Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_END_DEPENDENT));
114
115    Descriptor = Rnode->Buffer;
116    Descriptor->EndDpf.DescriptorType =
117        ACPI_RESOURCE_NAME_END_DEPENDENT | ASL_RDESC_END_DEPEND_SIZE;
118    return (Rnode);
119}
120
121
122/*******************************************************************************
123 *
124 * FUNCTION:    RsDoMemory24Descriptor
125 *
126 * PARAMETERS:  Info                - Parse Op and resource template offset
127 *
128 * RETURN:      Completed resource node
129 *
130 * DESCRIPTION: Construct a short "Memory24" descriptor
131 *
132 ******************************************************************************/
133
134ASL_RESOURCE_NODE *
135RsDoMemory24Descriptor (
136    ASL_RESOURCE_INFO       *Info)
137{
138    AML_RESOURCE            *Descriptor;
139    ACPI_PARSE_OBJECT       *InitializerOp;
140    ACPI_PARSE_OBJECT       *MinOp = NULL;
141    ACPI_PARSE_OBJECT       *MaxOp = NULL;
142    ACPI_PARSE_OBJECT       *LengthOp = NULL;
143    ASL_RESOURCE_NODE       *Rnode;
144    UINT32                  CurrentByteOffset;
145    UINT32                  i;
146
147
148    InitializerOp = Info->DescriptorTypeOp->Asl.Child;
149    CurrentByteOffset = Info->CurrentByteOffset;
150    Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_MEMORY24));
151
152    Descriptor = Rnode->Buffer;
153    Descriptor->Memory24.DescriptorType = ACPI_RESOURCE_NAME_MEMORY24;
154    Descriptor->Memory24.ResourceLength = 9;
155
156    /* Process all child initialization nodes */
157
158    for (i = 0; InitializerOp; i++)
159    {
160        switch (i)
161        {
162        case 0: /* Read/Write type */
163
164            RsSetFlagBits (&Descriptor->Memory24.Flags, InitializerOp, 0, 1);
165            RsCreateBitField (InitializerOp, ACPI_RESTAG_READWRITETYPE,
166                CurrentByteOffset + ASL_RESDESC_OFFSET (Memory24.Flags), 0);
167            break;
168
169        case 1: /* Min Address */
170
171            Descriptor->Memory24.Minimum = (UINT16) InitializerOp->Asl.Value.Integer;
172            RsCreateWordField (InitializerOp, ACPI_RESTAG_MINADDR,
173                CurrentByteOffset + ASL_RESDESC_OFFSET (Memory24.Minimum));
174            MinOp = InitializerOp;
175            break;
176
177        case 2: /* Max Address */
178
179            Descriptor->Memory24.Maximum = (UINT16) InitializerOp->Asl.Value.Integer;
180            RsCreateWordField (InitializerOp, ACPI_RESTAG_MAXADDR,
181                CurrentByteOffset + ASL_RESDESC_OFFSET (Memory24.Maximum));
182            MaxOp = InitializerOp;
183            break;
184
185        case 3: /* Alignment */
186
187            Descriptor->Memory24.Alignment = (UINT16) InitializerOp->Asl.Value.Integer;
188            RsCreateWordField (InitializerOp, ACPI_RESTAG_ALIGNMENT,
189                CurrentByteOffset + ASL_RESDESC_OFFSET (Memory24.Alignment));
190            break;
191
192        case 4: /* Length */
193
194            Descriptor->Memory24.AddressLength = (UINT16) InitializerOp->Asl.Value.Integer;
195            RsCreateWordField (InitializerOp, ACPI_RESTAG_LENGTH,
196                CurrentByteOffset + ASL_RESDESC_OFFSET (Memory24.AddressLength));
197            LengthOp = InitializerOp;
198            break;
199
200        case 5: /* Name */
201
202            UtAttachNamepathToOwner (Info->DescriptorTypeOp, InitializerOp);
203            break;
204
205        default:
206
207            AslError (ASL_ERROR, ASL_MSG_RESOURCE_LIST, InitializerOp, NULL);
208            break;
209        }
210
211        InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
212    }
213
214    /* Validate the Min/Max/Len/Align values (Alignment==0 means 64K) */
215
216    RsSmallAddressCheck (ACPI_RESOURCE_NAME_MEMORY24,
217        Descriptor->Memory24.Minimum,
218        Descriptor->Memory24.Maximum,
219        Descriptor->Memory24.AddressLength,
220        Descriptor->Memory24.Alignment,
221        MinOp, MaxOp, LengthOp, NULL, Info->DescriptorTypeOp);
222
223    return (Rnode);
224}
225
226
227/*******************************************************************************
228 *
229 * FUNCTION:    RsDoMemory32Descriptor
230 *
231 * PARAMETERS:  Info                - Parse Op and resource template offset
232 *
233 * RETURN:      Completed resource node
234 *
235 * DESCRIPTION: Construct a short "Memory32" descriptor
236 *
237 ******************************************************************************/
238
239ASL_RESOURCE_NODE *
240RsDoMemory32Descriptor (
241    ASL_RESOURCE_INFO       *Info)
242{
243    AML_RESOURCE            *Descriptor;
244    ACPI_PARSE_OBJECT       *InitializerOp;
245    ACPI_PARSE_OBJECT       *MinOp = NULL;
246    ACPI_PARSE_OBJECT       *MaxOp = NULL;
247    ACPI_PARSE_OBJECT       *LengthOp = NULL;
248    ACPI_PARSE_OBJECT       *AlignOp = NULL;
249    ASL_RESOURCE_NODE       *Rnode;
250    UINT32                  CurrentByteOffset;
251    UINT32                  i;
252
253
254    InitializerOp = Info->DescriptorTypeOp->Asl.Child;
255    CurrentByteOffset = Info->CurrentByteOffset;
256    Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_MEMORY32));
257
258    Descriptor = Rnode->Buffer;
259    Descriptor->Memory32.DescriptorType = ACPI_RESOURCE_NAME_MEMORY32;
260    Descriptor->Memory32.ResourceLength = 17;
261
262    /* Process all child initialization nodes */
263
264    for (i = 0; InitializerOp; i++)
265    {
266        switch (i)
267        {
268        case 0: /* Read/Write type */
269
270            RsSetFlagBits (&Descriptor->Memory32.Flags, InitializerOp, 0, 1);
271            RsCreateBitField (InitializerOp, ACPI_RESTAG_READWRITETYPE,
272                CurrentByteOffset + ASL_RESDESC_OFFSET (Memory32.Flags), 0);
273            break;
274
275        case 1:  /* Min Address */
276
277            Descriptor->Memory32.Minimum = (UINT32) InitializerOp->Asl.Value.Integer;
278            RsCreateDwordField (InitializerOp, ACPI_RESTAG_MINADDR,
279                CurrentByteOffset + ASL_RESDESC_OFFSET (Memory32.Minimum));
280            MinOp = InitializerOp;
281            break;
282
283        case 2: /* Max Address */
284
285            Descriptor->Memory32.Maximum = (UINT32) InitializerOp->Asl.Value.Integer;
286            RsCreateDwordField (InitializerOp, ACPI_RESTAG_MAXADDR,
287                CurrentByteOffset + ASL_RESDESC_OFFSET (Memory32.Maximum));
288            MaxOp = InitializerOp;
289            break;
290
291        case 3: /* Alignment */
292
293            Descriptor->Memory32.Alignment = (UINT32) InitializerOp->Asl.Value.Integer;
294            RsCreateDwordField (InitializerOp, ACPI_RESTAG_ALIGNMENT,
295                CurrentByteOffset + ASL_RESDESC_OFFSET (Memory32.Alignment));
296            AlignOp = InitializerOp;
297            break;
298
299        case 4: /* Length */
300
301            Descriptor->Memory32.AddressLength = (UINT32) InitializerOp->Asl.Value.Integer;
302            RsCreateDwordField (InitializerOp, ACPI_RESTAG_LENGTH,
303                CurrentByteOffset + ASL_RESDESC_OFFSET (Memory32.AddressLength));
304            LengthOp = InitializerOp;
305            break;
306
307        case 5: /* Name */
308
309            UtAttachNamepathToOwner (Info->DescriptorTypeOp, InitializerOp);
310            break;
311
312        default:
313
314            AslError (ASL_ERROR, ASL_MSG_RESOURCE_LIST, InitializerOp, NULL);
315            break;
316        }
317
318        InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
319    }
320
321    /* Validate the Min/Max/Len/Align values */
322
323    RsSmallAddressCheck (ACPI_RESOURCE_NAME_MEMORY32,
324        Descriptor->Memory32.Minimum,
325        Descriptor->Memory32.Maximum,
326        Descriptor->Memory32.AddressLength,
327        Descriptor->Memory32.Alignment,
328        MinOp, MaxOp, LengthOp, AlignOp, Info->DescriptorTypeOp);
329
330    return (Rnode);
331}
332
333
334/*******************************************************************************
335 *
336 * FUNCTION:    RsDoMemory32FixedDescriptor
337 *
338 * PARAMETERS:  Info                - Parse Op and resource template offset
339 *
340 * RETURN:      Completed resource node
341 *
342 * DESCRIPTION: Construct a short "Memory32Fixed" descriptor
343 *
344 ******************************************************************************/
345
346ASL_RESOURCE_NODE *
347RsDoMemory32FixedDescriptor (
348    ASL_RESOURCE_INFO       *Info)
349{
350    AML_RESOURCE            *Descriptor;
351    ACPI_PARSE_OBJECT       *InitializerOp;
352    ASL_RESOURCE_NODE       *Rnode;
353    UINT32                  CurrentByteOffset;
354    UINT32                  i;
355
356
357    InitializerOp = Info->DescriptorTypeOp->Asl.Child;
358    CurrentByteOffset = Info->CurrentByteOffset;
359    Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_FIXED_MEMORY32));
360
361    Descriptor = Rnode->Buffer;
362    Descriptor->FixedMemory32.DescriptorType = ACPI_RESOURCE_NAME_FIXED_MEMORY32;
363    Descriptor->FixedMemory32.ResourceLength = 9;
364
365    /* Process all child initialization nodes */
366
367    for (i = 0; InitializerOp; i++)
368    {
369        switch (i)
370        {
371        case 0: /* Read/Write type */
372
373            RsSetFlagBits (&Descriptor->FixedMemory32.Flags, InitializerOp, 0, 1);
374            RsCreateBitField (InitializerOp, ACPI_RESTAG_READWRITETYPE,
375                CurrentByteOffset + ASL_RESDESC_OFFSET (FixedMemory32.Flags), 0);
376            break;
377
378        case 1: /* Address */
379
380            Descriptor->FixedMemory32.Address = (UINT32) InitializerOp->Asl.Value.Integer;
381            RsCreateDwordField (InitializerOp, ACPI_RESTAG_BASEADDRESS,
382                CurrentByteOffset + ASL_RESDESC_OFFSET (FixedMemory32.Address));
383            break;
384
385        case 2: /* Length */
386
387            Descriptor->FixedMemory32.AddressLength = (UINT32) InitializerOp->Asl.Value.Integer;
388            RsCreateDwordField (InitializerOp, ACPI_RESTAG_LENGTH,
389                CurrentByteOffset + ASL_RESDESC_OFFSET (FixedMemory32.AddressLength));
390            break;
391
392        case 3: /* Name */
393
394            UtAttachNamepathToOwner (Info->DescriptorTypeOp, InitializerOp);
395            break;
396
397        default:
398
399            AslError (ASL_ERROR, ASL_MSG_RESOURCE_LIST, InitializerOp, NULL);
400            break;
401        }
402
403        InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
404    }
405
406    return (Rnode);
407}
408
409
410/*******************************************************************************
411 *
412 * FUNCTION:    RsDoStartDependentDescriptor
413 *
414 * PARAMETERS:  Info                - Parse Op and resource template offset
415 *
416 * RETURN:      Completed resource node
417 *
418 * DESCRIPTION: Construct a short "StartDependentFn" descriptor
419 *
420 ******************************************************************************/
421
422ASL_RESOURCE_NODE *
423RsDoStartDependentDescriptor (
424    ASL_RESOURCE_INFO       *Info)
425{
426    AML_RESOURCE            *Descriptor;
427    ACPI_PARSE_OBJECT       *InitializerOp;
428    ASL_RESOURCE_NODE       *Rnode;
429    ASL_RESOURCE_NODE       *PreviousRnode;
430    ASL_RESOURCE_NODE       *NextRnode;
431    ASL_RESOURCE_INFO       NextInfo;
432    UINT32                  CurrentByteOffset;
433    UINT32                  i;
434    UINT8                   State;
435
436
437    InitializerOp = Info->DescriptorTypeOp->Asl.Child;
438    CurrentByteOffset = Info->CurrentByteOffset;
439    Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_START_DEPENDENT));
440
441    PreviousRnode = Rnode;
442    Descriptor = Rnode->Buffer;
443
444    /* Increment offset past StartDependent descriptor */
445
446    CurrentByteOffset += sizeof (AML_RESOURCE_START_DEPENDENT);
447
448    /* Descriptor has priority byte */
449
450    Descriptor->StartDpf.DescriptorType =
451        ACPI_RESOURCE_NAME_START_DEPENDENT | (ASL_RDESC_ST_DEPEND_SIZE + 0x01);
452
453    /* Process all child initialization nodes */
454
455    State = ACPI_RSTATE_START_DEPENDENT;
456    for (i = 0; InitializerOp; i++)
457    {
458        switch (i)
459        {
460        case 0: /* Compatibility Priority */
461
462            if ((UINT8) InitializerOp->Asl.Value.Integer > 2)
463            {
464                AslError (ASL_ERROR, ASL_MSG_INVALID_PRIORITY,
465                    InitializerOp, NULL);
466            }
467
468            RsSetFlagBits (&Descriptor->StartDpf.Flags, InitializerOp, 0, 0);
469            break;
470
471        case 1: /* Performance/Robustness Priority */
472
473            if ((UINT8) InitializerOp->Asl.Value.Integer > 2)
474            {
475                AslError (ASL_ERROR, ASL_MSG_INVALID_PERFORMANCE,
476                    InitializerOp, NULL);
477            }
478
479            RsSetFlagBits (&Descriptor->StartDpf.Flags, InitializerOp, 2, 0);
480            break;
481
482        default:
483
484            NextInfo.CurrentByteOffset = CurrentByteOffset;
485            NextInfo.DescriptorTypeOp = InitializerOp;
486
487            NextRnode = RsDoOneResourceDescriptor (&NextInfo, &State);
488
489            /*
490             * Update current byte offset to indicate the number of bytes from the
491             * start of the buffer. Buffer can include multiple descriptors, we
492             * must keep track of the offset of not only each descriptor, but each
493             * element (field) within each descriptor as well.
494             */
495            CurrentByteOffset += RsLinkDescriptorChain (
496                &PreviousRnode, NextRnode);
497            break;
498        }
499
500        InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
501    }
502
503    return (Rnode);
504}
505
506
507/*******************************************************************************
508 *
509 * FUNCTION:    RsDoStartDependentNoPriDescriptor
510 *
511 * PARAMETERS:  Info                - Parse Op and resource template offset
512 *
513 * RETURN:      Completed resource node
514 *
515 * DESCRIPTION: Construct a short "StartDependentNoPri" descriptor
516 *
517 ******************************************************************************/
518
519ASL_RESOURCE_NODE *
520RsDoStartDependentNoPriDescriptor (
521    ASL_RESOURCE_INFO       *Info)
522{
523    AML_RESOURCE            *Descriptor;
524    ACPI_PARSE_OBJECT       *InitializerOp;
525    ASL_RESOURCE_NODE       *Rnode;
526    ASL_RESOURCE_NODE       *PreviousRnode;
527    ASL_RESOURCE_NODE       *NextRnode;
528    ASL_RESOURCE_INFO       NextInfo;
529    UINT32                  CurrentByteOffset;
530    UINT8                   State;
531
532
533    InitializerOp = Info->DescriptorTypeOp->Asl.Child;
534    CurrentByteOffset = Info->CurrentByteOffset;
535    Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_START_DEPENDENT_NOPRIO));
536
537    Descriptor = Rnode->Buffer;
538    Descriptor->StartDpf.DescriptorType =
539        ACPI_RESOURCE_NAME_START_DEPENDENT | ASL_RDESC_ST_DEPEND_SIZE;
540    PreviousRnode = Rnode;
541
542    /* Increment offset past StartDependentNoPri descriptor */
543
544    CurrentByteOffset += sizeof (AML_RESOURCE_START_DEPENDENT_NOPRIO);
545
546    /* Process all child initialization nodes */
547
548    State = ACPI_RSTATE_START_DEPENDENT;
549    while (InitializerOp)
550    {
551        NextInfo.CurrentByteOffset = CurrentByteOffset;
552        NextInfo.DescriptorTypeOp = InitializerOp;
553
554        NextRnode = RsDoOneResourceDescriptor (&NextInfo, &State);
555
556        /*
557         * Update current byte offset to indicate the number of bytes from the
558         * start of the buffer. Buffer can include multiple descriptors, we
559         * must keep track of the offset of not only each descriptor, but each
560         * element (field) within each descriptor as well.
561         */
562        CurrentByteOffset += RsLinkDescriptorChain (&PreviousRnode, NextRnode);
563
564        InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
565    }
566
567    return (Rnode);
568}
569
570
571/*******************************************************************************
572 *
573 * FUNCTION:    RsDoVendorSmallDescriptor
574 *
575 * PARAMETERS:  Info                - Parse Op and resource template offset
576 *
577 * RETURN:      Completed resource node
578 *
579 * DESCRIPTION: Construct a short "VendorShort" descriptor
580 *
581 ******************************************************************************/
582
583ASL_RESOURCE_NODE *
584RsDoVendorSmallDescriptor (
585    ASL_RESOURCE_INFO       *Info)
586{
587    AML_RESOURCE            *Descriptor;
588    ACPI_PARSE_OBJECT       *InitializerOp;
589    ASL_RESOURCE_NODE       *Rnode;
590    UINT8                   *VendorData;
591    UINT32                  i;
592
593
594    InitializerOp = Info->DescriptorTypeOp->Asl.Child;
595
596    /* Allocate worst case - 7 vendor bytes */
597
598    Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_VENDOR_SMALL) + 7);
599
600    Descriptor = Rnode->Buffer;
601    Descriptor->VendorSmall.DescriptorType = ACPI_RESOURCE_NAME_VENDOR_SMALL;
602    VendorData = ((UINT8 *) Descriptor) + sizeof (AML_RESOURCE_SMALL_HEADER);
603
604    /* Process all child initialization nodes */
605
606    InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
607    for (i = 0; InitializerOp; i++)
608    {
609        if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
610        {
611            break;
612        }
613
614        /* Maximum 7 vendor data bytes allowed (0-6) */
615
616        if (i >= 7)
617        {
618            AslError (ASL_ERROR, ASL_MSG_VENDOR_LIST, InitializerOp, NULL);
619
620            /* Eat the excess initializers */
621
622            while (InitializerOp)
623            {
624                InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
625            }
626            break;
627        }
628
629        VendorData[i] = (UINT8) InitializerOp->Asl.Value.Integer;
630        InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
631    }
632
633    /* Adjust the Rnode buffer size, so correct number of bytes are emitted */
634
635    Rnode->BufferLength -= (7 - i);
636
637    /* Set the length in the Type Tag */
638
639    Descriptor->VendorSmall.DescriptorType |= (UINT8) i;
640    return (Rnode);
641}
642