1 /* Support for generating ACPI tables and passing them to Guests
3 * Copyright (C) 2015 Red Hat Inc
5 * Author: Michael S. Tsirkin <mst@redhat.com>
6 * Author: Igor Mammedov <imammedo@redhat.com>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License along
19 * with this program; if not, see <http://www.gnu.org/licenses/>.
22 #include "qemu/osdep.h"
23 #include <glib/gprintf.h>
24 #include "hw/acpi/aml-build.h"
25 #include "qemu/bswap.h"
26 #include "qemu/bitops.h"
27 #include "sysemu/numa.h"
28 #include "hw/boards.h"
29 #include "hw/acpi/tpm.h"
30 #include "hw/pci/pci_host.h"
31 #include "hw/pci/pci_bus.h"
32 #include "hw/pci/pci_bridge.h"
33 #include "qemu/cutils.h"
35 static GArray
*build_alloc_array(void)
37 return g_array_new(false, true /* clear */, 1);
40 static void build_free_array(GArray
*array
)
42 g_array_free(array
, true);
45 static void build_prepend_byte(GArray
*array
, uint8_t val
)
47 g_array_prepend_val(array
, val
);
50 static void build_append_byte(GArray
*array
, uint8_t val
)
52 g_array_append_val(array
, val
);
55 static void build_append_array(GArray
*array
, GArray
*val
)
57 g_array_append_vals(array
, val
->data
, val
->len
);
60 #define ACPI_NAMESEG_LEN 4
62 void crs_range_insert(GPtrArray
*ranges
, uint64_t base
, uint64_t limit
)
66 entry
= g_malloc(sizeof(*entry
));
70 g_ptr_array_add(ranges
, entry
);
73 static void crs_range_free(gpointer data
)
75 CrsRangeEntry
*entry
= (CrsRangeEntry
*)data
;
79 void crs_range_set_init(CrsRangeSet
*range_set
)
81 range_set
->io_ranges
= g_ptr_array_new_with_free_func(crs_range_free
);
82 range_set
->mem_ranges
= g_ptr_array_new_with_free_func(crs_range_free
);
83 range_set
->mem_64bit_ranges
=
84 g_ptr_array_new_with_free_func(crs_range_free
);
87 void crs_range_set_free(CrsRangeSet
*range_set
)
89 g_ptr_array_free(range_set
->io_ranges
, true);
90 g_ptr_array_free(range_set
->mem_ranges
, true);
91 g_ptr_array_free(range_set
->mem_64bit_ranges
, true);
94 static gint
crs_range_compare(gconstpointer a
, gconstpointer b
)
96 CrsRangeEntry
*entry_a
= *(CrsRangeEntry
**)a
;
97 CrsRangeEntry
*entry_b
= *(CrsRangeEntry
**)b
;
99 if (entry_a
->base
< entry_b
->base
) {
101 } else if (entry_a
->base
> entry_b
->base
) {
109 * crs_replace_with_free_ranges - given the 'used' ranges within [start - end]
110 * interval, computes the 'free' ranges from the same interval.
111 * Example: If the input array is { [a1 - a2],[b1 - b2] }, the function
112 * will return { [base - a1], [a2 - b1], [b2 - limit] }.
114 void crs_replace_with_free_ranges(GPtrArray
*ranges
,
115 uint64_t start
, uint64_t end
)
117 GPtrArray
*free_ranges
= g_ptr_array_new();
118 uint64_t free_base
= start
;
121 g_ptr_array_sort(ranges
, crs_range_compare
);
122 for (i
= 0; i
< ranges
->len
; i
++) {
123 CrsRangeEntry
*used
= g_ptr_array_index(ranges
, i
);
125 if (free_base
< used
->base
) {
126 crs_range_insert(free_ranges
, free_base
, used
->base
- 1);
129 free_base
= used
->limit
+ 1;
132 if (free_base
< end
) {
133 crs_range_insert(free_ranges
, free_base
, end
);
136 g_ptr_array_set_size(ranges
, 0);
137 for (i
= 0; i
< free_ranges
->len
; i
++) {
138 g_ptr_array_add(ranges
, g_ptr_array_index(free_ranges
, i
));
141 g_ptr_array_free(free_ranges
, true);
145 * crs_range_merge - merges adjacent ranges in the given array.
146 * Array elements are deleted and replaced with the merged ranges.
148 static void crs_range_merge(GPtrArray
*range
)
150 GPtrArray
*tmp
= g_ptr_array_new_with_free_func(crs_range_free
);
151 CrsRangeEntry
*entry
;
152 uint64_t range_base
, range_limit
;
159 g_ptr_array_sort(range
, crs_range_compare
);
161 entry
= g_ptr_array_index(range
, 0);
162 range_base
= entry
->base
;
163 range_limit
= entry
->limit
;
164 for (i
= 1; i
< range
->len
; i
++) {
165 entry
= g_ptr_array_index(range
, i
);
166 if (entry
->base
- 1 == range_limit
) {
167 range_limit
= entry
->limit
;
169 crs_range_insert(tmp
, range_base
, range_limit
);
170 range_base
= entry
->base
;
171 range_limit
= entry
->limit
;
174 crs_range_insert(tmp
, range_base
, range_limit
);
176 g_ptr_array_set_size(range
, 0);
177 for (i
= 0; i
< tmp
->len
; i
++) {
178 entry
= g_ptr_array_index(tmp
, i
);
179 crs_range_insert(range
, entry
->base
, entry
->limit
);
181 g_ptr_array_free(tmp
, true);
185 build_append_nameseg(GArray
*array
, const char *seg
)
190 assert(len
<= ACPI_NAMESEG_LEN
);
192 g_array_append_vals(array
, seg
, len
);
193 /* Pad up to ACPI_NAMESEG_LEN characters if necessary. */
194 g_array_append_vals(array
, "____", ACPI_NAMESEG_LEN
- len
);
197 static void GCC_FMT_ATTR(2, 0)
198 build_append_namestringv(GArray
*array
, const char *format
, va_list ap
)
205 s
= g_strdup_vprintf(format
, ap
);
206 segs
= g_strsplit(s
, ".", 0);
216 * ACPI 5.0 spec: 20.2.2 Name Objects Encoding:
217 * "SegCount can be from 1 to 255"
219 assert(seg_count
> 0 && seg_count
<= 255);
221 /* handle RootPath || PrefixPath */
223 while (*s
== '\\' || *s
== '^') {
224 build_append_byte(array
, *s
);
231 build_append_byte(array
, 0x00); /* NullName */
233 build_append_nameseg(array
, s
);
238 build_append_byte(array
, 0x2E); /* DualNamePrefix */
239 build_append_nameseg(array
, s
);
240 build_append_nameseg(array
, segs
[1]);
243 build_append_byte(array
, 0x2F); /* MultiNamePrefix */
244 build_append_byte(array
, seg_count
);
246 /* handle the 1st segment manually due to prefix/root path */
247 build_append_nameseg(array
, s
);
249 /* add the rest of segments */
250 segs_iter
= segs
+ 1;
252 build_append_nameseg(array
, *segs_iter
);
261 static void build_append_namestring(GArray
*array
, const char *format
, ...)
265 va_start(ap
, format
);
266 build_append_namestringv(array
, format
, ap
);
270 /* 5.4 Definition Block Encoding */
272 PACKAGE_LENGTH_1BYTE_SHIFT
= 6, /* Up to 63 - use extra 2 bits. */
273 PACKAGE_LENGTH_2BYTE_SHIFT
= 4,
274 PACKAGE_LENGTH_3BYTE_SHIFT
= 12,
275 PACKAGE_LENGTH_4BYTE_SHIFT
= 20,
279 build_prepend_package_length(GArray
*package
, unsigned length
, bool incl_self
)
282 unsigned length_bytes
;
284 if (length
+ 1 < (1 << PACKAGE_LENGTH_1BYTE_SHIFT
)) {
286 } else if (length
+ 2 < (1 << PACKAGE_LENGTH_3BYTE_SHIFT
)) {
288 } else if (length
+ 3 < (1 << PACKAGE_LENGTH_4BYTE_SHIFT
)) {
295 * NamedField uses PkgLength encoding but it doesn't include length
296 * of PkgLength itself.
300 * PkgLength is the length of the inclusive length of the data
301 * and PkgLength's length itself when used for terms with
304 length
+= length_bytes
;
307 switch (length_bytes
) {
310 build_prepend_byte(package
, byte
);
313 byte
= length
>> PACKAGE_LENGTH_4BYTE_SHIFT
;
314 build_prepend_byte(package
, byte
);
315 length
&= (1 << PACKAGE_LENGTH_4BYTE_SHIFT
) - 1;
318 byte
= length
>> PACKAGE_LENGTH_3BYTE_SHIFT
;
319 build_prepend_byte(package
, byte
);
320 length
&= (1 << PACKAGE_LENGTH_3BYTE_SHIFT
) - 1;
323 byte
= length
>> PACKAGE_LENGTH_2BYTE_SHIFT
;
324 build_prepend_byte(package
, byte
);
325 length
&= (1 << PACKAGE_LENGTH_2BYTE_SHIFT
) - 1;
329 * Most significant two bits of byte zero indicate how many following bytes
330 * are in PkgLength encoding.
332 byte
= ((length_bytes
- 1) << PACKAGE_LENGTH_1BYTE_SHIFT
) | length
;
333 build_prepend_byte(package
, byte
);
337 build_append_pkg_length(GArray
*array
, unsigned length
, bool incl_self
)
339 GArray
*tmp
= build_alloc_array();
341 build_prepend_package_length(tmp
, length
, incl_self
);
342 build_append_array(array
, tmp
);
343 build_free_array(tmp
);
346 static void build_package(GArray
*package
, uint8_t op
)
348 build_prepend_package_length(package
, package
->len
, true);
349 build_prepend_byte(package
, op
);
352 static void build_extop_package(GArray
*package
, uint8_t op
)
354 build_package(package
, op
);
355 build_prepend_byte(package
, 0x5B); /* ExtOpPrefix */
358 void build_append_int_noprefix(GArray
*table
, uint64_t value
, int size
)
362 for (i
= 0; i
< size
; ++i
) {
363 build_append_byte(table
, value
& 0xFF);
368 static void build_append_int(GArray
*table
, uint64_t value
)
371 build_append_byte(table
, 0x00); /* ZeroOp */
372 } else if (value
== 0x01) {
373 build_append_byte(table
, 0x01); /* OneOp */
374 } else if (value
<= 0xFF) {
375 build_append_byte(table
, 0x0A); /* BytePrefix */
376 build_append_int_noprefix(table
, value
, 1);
377 } else if (value
<= 0xFFFF) {
378 build_append_byte(table
, 0x0B); /* WordPrefix */
379 build_append_int_noprefix(table
, value
, 2);
380 } else if (value
<= 0xFFFFFFFF) {
381 build_append_byte(table
, 0x0C); /* DWordPrefix */
382 build_append_int_noprefix(table
, value
, 4);
384 build_append_byte(table
, 0x0E); /* QWordPrefix */
385 build_append_int_noprefix(table
, value
, 8);
389 /* Generic Address Structure (GAS)
390 * ACPI 2.0/3.0: 5.2.3.1 Generic Address Structure
392 * @access_width must be 0, see ACPI 2.0:Table 5-1
394 void build_append_gas(GArray
*table
, AmlAddressSpace as
,
395 uint8_t bit_width
, uint8_t bit_offset
,
396 uint8_t access_width
, uint64_t address
)
398 build_append_int_noprefix(table
, as
, 1);
399 build_append_int_noprefix(table
, bit_width
, 1);
400 build_append_int_noprefix(table
, bit_offset
, 1);
401 build_append_int_noprefix(table
, access_width
, 1);
402 build_append_int_noprefix(table
, address
, 8);
406 * Build NAME(XXXX, 0x00000000) where 0x00000000 is encoded as a dword,
407 * and return the offset to 0x00000000 for runtime patching.
409 * Warning: runtime patching is best avoided. Only use this as
410 * a replacement for DataTableRegion (for guests that don't
414 build_append_named_dword(GArray
*array
, const char *name_format
, ...)
419 build_append_byte(array
, 0x08); /* NameOp */
420 va_start(ap
, name_format
);
421 build_append_namestringv(array
, name_format
, ap
);
424 build_append_byte(array
, 0x0C); /* DWordPrefix */
427 build_append_int_noprefix(array
, 0x00000000, 4);
428 assert(array
->len
== offset
+ 4);
433 static GPtrArray
*alloc_list
;
435 static Aml
*aml_alloc(void)
437 Aml
*var
= g_new0(typeof(*var
), 1);
439 g_ptr_array_add(alloc_list
, var
);
440 var
->block_flags
= AML_NO_OPCODE
;
441 var
->buf
= build_alloc_array();
445 static Aml
*aml_opcode(uint8_t op
)
447 Aml
*var
= aml_alloc();
450 var
->block_flags
= AML_OPCODE
;
454 static Aml
*aml_bundle(uint8_t op
, AmlBlockFlags flags
)
456 Aml
*var
= aml_alloc();
459 var
->block_flags
= flags
;
463 static void aml_free(gpointer data
, gpointer user_data
)
466 build_free_array(var
->buf
);
470 Aml
*init_aml_allocator(void)
473 alloc_list
= g_ptr_array_new();
477 void free_aml_allocator(void)
479 g_ptr_array_foreach(alloc_list
, aml_free
, NULL
);
480 g_ptr_array_free(alloc_list
, true);
484 /* pack data with DefBuffer encoding */
485 static void build_buffer(GArray
*array
, uint8_t op
)
487 GArray
*data
= build_alloc_array();
489 build_append_int(data
, array
->len
);
490 g_array_prepend_vals(array
, data
->data
, data
->len
);
491 build_free_array(data
);
492 build_package(array
, op
);
495 void aml_append(Aml
*parent_ctx
, Aml
*child
)
497 GArray
*buf
= build_alloc_array();
498 build_append_array(buf
, child
->buf
);
500 switch (child
->block_flags
) {
502 build_append_byte(parent_ctx
->buf
, child
->op
);
504 case AML_EXT_PACKAGE
:
505 build_extop_package(buf
, child
->op
);
508 build_package(buf
, child
->op
);
510 case AML_RES_TEMPLATE
:
511 build_append_byte(buf
, 0x79); /* EndTag */
513 * checksum operations are treated as succeeded if checksum
514 * field is zero. [ACPI Spec 1.0b, 6.4.2.8 End Tag]
516 build_append_byte(buf
, 0);
517 /* fall through, to pack resources in buffer */
519 build_buffer(buf
, child
->op
);
527 build_append_array(parent_ctx
->buf
, buf
);
528 build_free_array(buf
);
531 /* ACPI 1.0b: 16.2.5.1 Namespace Modifier Objects Encoding: DefScope */
532 Aml
*aml_scope(const char *name_format
, ...)
535 Aml
*var
= aml_bundle(0x10 /* ScopeOp */, AML_PACKAGE
);
536 va_start(ap
, name_format
);
537 build_append_namestringv(var
->buf
, name_format
, ap
);
542 /* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefReturn */
543 Aml
*aml_return(Aml
*val
)
545 Aml
*var
= aml_opcode(0xA4 /* ReturnOp */);
546 aml_append(var
, val
);
550 /* ACPI 1.0b: 16.2.6.3 Debug Objects Encoding: DebugObj */
553 Aml
*var
= aml_alloc();
554 build_append_byte(var
->buf
, 0x5B); /* ExtOpPrefix */
555 build_append_byte(var
->buf
, 0x31); /* DebugOp */
560 * ACPI 1.0b: 16.2.3 Data Objects Encoding:
561 * encodes: ByteConst, WordConst, DWordConst, QWordConst, ZeroOp, OneOp
563 Aml
*aml_int(const uint64_t val
)
565 Aml
*var
= aml_alloc();
566 build_append_int(var
->buf
, val
);
571 * helper to construct NameString, which returns Aml object
572 * for using with aml_append or other aml_* terms
574 Aml
*aml_name(const char *name_format
, ...)
577 Aml
*var
= aml_alloc();
578 va_start(ap
, name_format
);
579 build_append_namestringv(var
->buf
, name_format
, ap
);
584 /* ACPI 1.0b: 16.2.5.1 Namespace Modifier Objects Encoding: DefName */
585 Aml
*aml_name_decl(const char *name
, Aml
*val
)
587 Aml
*var
= aml_opcode(0x08 /* NameOp */);
588 build_append_namestring(var
->buf
, "%s", name
);
589 aml_append(var
, val
);
593 /* ACPI 1.0b: 16.2.6.1 Arg Objects Encoding */
594 Aml
*aml_arg(int pos
)
596 uint8_t op
= 0x68 /* ARG0 op */ + pos
;
599 return aml_opcode(op
);
602 /* ACPI 2.0a: 17.2.4.4 Type 2 Opcodes Encoding: DefToInteger */
603 Aml
*aml_to_integer(Aml
*arg
)
605 Aml
*var
= aml_opcode(0x99 /* ToIntegerOp */);
606 aml_append(var
, arg
);
607 build_append_byte(var
->buf
, 0x00 /* NullNameOp */);
611 /* ACPI 2.0a: 17.2.4.4 Type 2 Opcodes Encoding: DefToHexString */
612 Aml
*aml_to_hexstring(Aml
*src
, Aml
*dst
)
614 Aml
*var
= aml_opcode(0x98 /* ToHexStringOp */);
615 aml_append(var
, src
);
617 aml_append(var
, dst
);
619 build_append_byte(var
->buf
, 0x00 /* NullNameOp */);
624 /* ACPI 2.0a: 17.2.4.4 Type 2 Opcodes Encoding: DefToBuffer */
625 Aml
*aml_to_buffer(Aml
*src
, Aml
*dst
)
627 Aml
*var
= aml_opcode(0x96 /* ToBufferOp */);
628 aml_append(var
, src
);
630 aml_append(var
, dst
);
632 build_append_byte(var
->buf
, 0x00 /* NullNameOp */);
637 /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefStore */
638 Aml
*aml_store(Aml
*val
, Aml
*target
)
640 Aml
*var
= aml_opcode(0x70 /* StoreOp */);
641 aml_append(var
, val
);
642 aml_append(var
, target
);
647 * build_opcode_2arg_dst:
651 * @dst: optional target to store to, set to NULL if it's not required
653 * An internal helper to compose AML terms that have
654 * "Op Operand Operand Target"
657 * Returns: The newly allocated and composed according to patter Aml object.
660 build_opcode_2arg_dst(uint8_t op
, Aml
*arg1
, Aml
*arg2
, Aml
*dst
)
662 Aml
*var
= aml_opcode(op
);
663 aml_append(var
, arg1
);
664 aml_append(var
, arg2
);
666 aml_append(var
, dst
);
668 build_append_byte(var
->buf
, 0x00 /* NullNameOp */);
673 /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefAnd */
674 Aml
*aml_and(Aml
*arg1
, Aml
*arg2
, Aml
*dst
)
676 return build_opcode_2arg_dst(0x7B /* AndOp */, arg1
, arg2
, dst
);
679 /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefOr */
680 Aml
*aml_or(Aml
*arg1
, Aml
*arg2
, Aml
*dst
)
682 return build_opcode_2arg_dst(0x7D /* OrOp */, arg1
, arg2
, dst
);
685 /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLAnd */
686 Aml
*aml_land(Aml
*arg1
, Aml
*arg2
)
688 Aml
*var
= aml_opcode(0x90 /* LAndOp */);
689 aml_append(var
, arg1
);
690 aml_append(var
, arg2
);
694 /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLOr */
695 Aml
*aml_lor(Aml
*arg1
, Aml
*arg2
)
697 Aml
*var
= aml_opcode(0x91 /* LOrOp */);
698 aml_append(var
, arg1
);
699 aml_append(var
, arg2
);
703 /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefShiftLeft */
704 Aml
*aml_shiftleft(Aml
*arg1
, Aml
*count
)
706 return build_opcode_2arg_dst(0x79 /* ShiftLeftOp */, arg1
, count
, NULL
);
709 /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefShiftRight */
710 Aml
*aml_shiftright(Aml
*arg1
, Aml
*count
, Aml
*dst
)
712 return build_opcode_2arg_dst(0x7A /* ShiftRightOp */, arg1
, count
, dst
);
715 /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLLess */
716 Aml
*aml_lless(Aml
*arg1
, Aml
*arg2
)
718 Aml
*var
= aml_opcode(0x95 /* LLessOp */);
719 aml_append(var
, arg1
);
720 aml_append(var
, arg2
);
724 /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefAdd */
725 Aml
*aml_add(Aml
*arg1
, Aml
*arg2
, Aml
*dst
)
727 return build_opcode_2arg_dst(0x72 /* AddOp */, arg1
, arg2
, dst
);
730 /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefSubtract */
731 Aml
*aml_subtract(Aml
*arg1
, Aml
*arg2
, Aml
*dst
)
733 return build_opcode_2arg_dst(0x74 /* SubtractOp */, arg1
, arg2
, dst
);
736 /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefIncrement */
737 Aml
*aml_increment(Aml
*arg
)
739 Aml
*var
= aml_opcode(0x75 /* IncrementOp */);
740 aml_append(var
, arg
);
744 /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefDecrement */
745 Aml
*aml_decrement(Aml
*arg
)
747 Aml
*var
= aml_opcode(0x76 /* DecrementOp */);
748 aml_append(var
, arg
);
752 /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefIndex */
753 Aml
*aml_index(Aml
*arg1
, Aml
*idx
)
755 return build_opcode_2arg_dst(0x88 /* IndexOp */, arg1
, idx
, NULL
);
758 /* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefNotify */
759 Aml
*aml_notify(Aml
*arg1
, Aml
*arg2
)
761 Aml
*var
= aml_opcode(0x86 /* NotifyOp */);
762 aml_append(var
, arg1
);
763 aml_append(var
, arg2
);
767 /* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefBreak */
770 Aml
*var
= aml_opcode(0xa5 /* BreakOp */);
774 /* helper to call method without argument */
775 Aml
*aml_call0(const char *method
)
777 Aml
*var
= aml_alloc();
778 build_append_namestring(var
->buf
, "%s", method
);
782 /* helper to call method with 1 argument */
783 Aml
*aml_call1(const char *method
, Aml
*arg1
)
785 Aml
*var
= aml_alloc();
786 build_append_namestring(var
->buf
, "%s", method
);
787 aml_append(var
, arg1
);
791 /* helper to call method with 2 arguments */
792 Aml
*aml_call2(const char *method
, Aml
*arg1
, Aml
*arg2
)
794 Aml
*var
= aml_alloc();
795 build_append_namestring(var
->buf
, "%s", method
);
796 aml_append(var
, arg1
);
797 aml_append(var
, arg2
);
801 /* helper to call method with 3 arguments */
802 Aml
*aml_call3(const char *method
, Aml
*arg1
, Aml
*arg2
, Aml
*arg3
)
804 Aml
*var
= aml_alloc();
805 build_append_namestring(var
->buf
, "%s", method
);
806 aml_append(var
, arg1
);
807 aml_append(var
, arg2
);
808 aml_append(var
, arg3
);
812 /* helper to call method with 4 arguments */
813 Aml
*aml_call4(const char *method
, Aml
*arg1
, Aml
*arg2
, Aml
*arg3
, Aml
*arg4
)
815 Aml
*var
= aml_alloc();
816 build_append_namestring(var
->buf
, "%s", method
);
817 aml_append(var
, arg1
);
818 aml_append(var
, arg2
);
819 aml_append(var
, arg3
);
820 aml_append(var
, arg4
);
824 /* helper to call method with 5 arguments */
825 Aml
*aml_call5(const char *method
, Aml
*arg1
, Aml
*arg2
, Aml
*arg3
, Aml
*arg4
,
828 Aml
*var
= aml_alloc();
829 build_append_namestring(var
->buf
, "%s", method
);
830 aml_append(var
, arg1
);
831 aml_append(var
, arg2
);
832 aml_append(var
, arg3
);
833 aml_append(var
, arg4
);
834 aml_append(var
, arg5
);
839 * ACPI 5.0: 6.4.3.8.1 GPIO Connection Descriptor
840 * Type 1, Large Item Name 0xC
843 static Aml
*aml_gpio_connection(AmlGpioConnectionType type
,
844 AmlConsumerAndProducer con_and_pro
,
845 uint8_t flags
, AmlPinConfig pin_config
,
846 uint16_t output_drive
,
847 uint16_t debounce_timeout
,
848 const uint32_t pin_list
[], uint32_t pin_count
,
849 const char *resource_source_name
,
850 const uint8_t *vendor_data
,
851 uint16_t vendor_data_len
)
853 Aml
*var
= aml_alloc();
854 const uint16_t min_desc_len
= 0x16;
855 uint16_t resource_source_name_len
, length
;
856 uint16_t pin_table_offset
, resource_source_name_offset
, vendor_data_offset
;
859 assert(resource_source_name
);
860 resource_source_name_len
= strlen(resource_source_name
) + 1;
861 length
= min_desc_len
+ resource_source_name_len
+ vendor_data_len
;
862 pin_table_offset
= min_desc_len
+ 1;
863 resource_source_name_offset
= pin_table_offset
+ pin_count
* 2;
864 vendor_data_offset
= resource_source_name_offset
+ resource_source_name_len
;
866 build_append_byte(var
->buf
, 0x8C); /* GPIO Connection Descriptor */
867 build_append_int_noprefix(var
->buf
, length
, 2); /* Length */
868 build_append_byte(var
->buf
, 1); /* Revision ID */
869 build_append_byte(var
->buf
, type
); /* GPIO Connection Type */
870 /* General Flags (2 bytes) */
871 build_append_int_noprefix(var
->buf
, con_and_pro
, 2);
872 /* Interrupt and IO Flags (2 bytes) */
873 build_append_int_noprefix(var
->buf
, flags
, 2);
874 /* Pin Configuration 0 = Default 1 = Pull-up 2 = Pull-down 3 = No Pull */
875 build_append_byte(var
->buf
, pin_config
);
876 /* Output Drive Strength (2 bytes) */
877 build_append_int_noprefix(var
->buf
, output_drive
, 2);
878 /* Debounce Timeout (2 bytes) */
879 build_append_int_noprefix(var
->buf
, debounce_timeout
, 2);
880 /* Pin Table Offset (2 bytes) */
881 build_append_int_noprefix(var
->buf
, pin_table_offset
, 2);
882 build_append_byte(var
->buf
, 0); /* Resource Source Index */
883 /* Resource Source Name Offset (2 bytes) */
884 build_append_int_noprefix(var
->buf
, resource_source_name_offset
, 2);
885 /* Vendor Data Offset (2 bytes) */
886 build_append_int_noprefix(var
->buf
, vendor_data_offset
, 2);
887 /* Vendor Data Length (2 bytes) */
888 build_append_int_noprefix(var
->buf
, vendor_data_len
, 2);
889 /* Pin Number (2n bytes)*/
890 for (i
= 0; i
< pin_count
; i
++) {
891 build_append_int_noprefix(var
->buf
, pin_list
[i
], 2);
894 /* Resource Source Name */
895 build_append_namestring(var
->buf
, "%s", resource_source_name
);
896 build_append_byte(var
->buf
, '\0');
898 /* Vendor-defined Data */
899 if (vendor_data
!= NULL
) {
900 g_array_append_vals(var
->buf
, vendor_data
, vendor_data_len
);
908 * GpioInt(GPIO Interrupt Connection Resource Descriptor Macro)
910 Aml
*aml_gpio_int(AmlConsumerAndProducer con_and_pro
,
911 AmlLevelAndEdge edge_level
,
912 AmlActiveHighAndLow active_level
, AmlShared shared
,
913 AmlPinConfig pin_config
, uint16_t debounce_timeout
,
914 const uint32_t pin_list
[], uint32_t pin_count
,
915 const char *resource_source_name
,
916 const uint8_t *vendor_data
, uint16_t vendor_data_len
)
918 uint8_t flags
= edge_level
| (active_level
<< 1) | (shared
<< 3);
920 return aml_gpio_connection(AML_INTERRUPT_CONNECTION
, con_and_pro
, flags
,
921 pin_config
, 0, debounce_timeout
, pin_list
,
922 pin_count
, resource_source_name
, vendor_data
,
927 * ACPI 1.0b: 6.4.3.4 32-Bit Fixed Location Memory Range Descriptor
928 * (Type 1, Large Item Name 0x6)
930 Aml
*aml_memory32_fixed(uint32_t addr
, uint32_t size
,
931 AmlReadAndWrite read_and_write
)
933 Aml
*var
= aml_alloc();
934 build_append_byte(var
->buf
, 0x86); /* Memory32Fixed Resource Descriptor */
935 build_append_byte(var
->buf
, 9); /* Length, bits[7:0] value = 9 */
936 build_append_byte(var
->buf
, 0); /* Length, bits[15:8] value = 0 */
937 build_append_byte(var
->buf
, read_and_write
); /* Write status, 1 rw 0 ro */
939 /* Range base address */
940 build_append_byte(var
->buf
, extract32(addr
, 0, 8)); /* bits[7:0] */
941 build_append_byte(var
->buf
, extract32(addr
, 8, 8)); /* bits[15:8] */
942 build_append_byte(var
->buf
, extract32(addr
, 16, 8)); /* bits[23:16] */
943 build_append_byte(var
->buf
, extract32(addr
, 24, 8)); /* bits[31:24] */
946 build_append_byte(var
->buf
, extract32(size
, 0, 8)); /* bits[7:0] */
947 build_append_byte(var
->buf
, extract32(size
, 8, 8)); /* bits[15:8] */
948 build_append_byte(var
->buf
, extract32(size
, 16, 8)); /* bits[23:16] */
949 build_append_byte(var
->buf
, extract32(size
, 24, 8)); /* bits[31:24] */
954 * ACPI 5.0: 6.4.3.6 Extended Interrupt Descriptor
955 * Type 1, Large Item Name 0x9
957 Aml
*aml_interrupt(AmlConsumerAndProducer con_and_pro
,
958 AmlLevelAndEdge level_and_edge
,
959 AmlActiveHighAndLow high_and_low
, AmlShared shared
,
960 uint32_t *irq_list
, uint8_t irq_count
)
963 Aml
*var
= aml_alloc();
964 uint8_t irq_flags
= con_and_pro
| (level_and_edge
<< 1)
965 | (high_and_low
<< 2) | (shared
<< 3);
966 const int header_bytes_in_len
= 2;
967 uint16_t len
= header_bytes_in_len
+ irq_count
* sizeof(uint32_t);
969 assert(irq_count
> 0);
971 build_append_byte(var
->buf
, 0x89); /* Extended irq descriptor */
972 build_append_byte(var
->buf
, len
& 0xFF); /* Length, bits[7:0] */
973 build_append_byte(var
->buf
, len
>> 8); /* Length, bits[15:8] */
974 build_append_byte(var
->buf
, irq_flags
); /* Interrupt Vector Information. */
975 build_append_byte(var
->buf
, irq_count
); /* Interrupt table length */
977 /* Interrupt Number List */
978 for (i
= 0; i
< irq_count
; i
++) {
979 build_append_int_noprefix(var
->buf
, irq_list
[i
], 4);
984 /* ACPI 1.0b: 6.4.2.5 I/O Port Descriptor */
985 Aml
*aml_io(AmlIODecode dec
, uint16_t min_base
, uint16_t max_base
,
986 uint8_t aln
, uint8_t len
)
988 Aml
*var
= aml_alloc();
989 build_append_byte(var
->buf
, 0x47); /* IO port descriptor */
990 build_append_byte(var
->buf
, dec
);
991 build_append_byte(var
->buf
, min_base
& 0xff);
992 build_append_byte(var
->buf
, (min_base
>> 8) & 0xff);
993 build_append_byte(var
->buf
, max_base
& 0xff);
994 build_append_byte(var
->buf
, (max_base
>> 8) & 0xff);
995 build_append_byte(var
->buf
, aln
);
996 build_append_byte(var
->buf
, len
);
1001 * ACPI 1.0b: 6.4.2.1.1 ASL Macro for IRQ Descriptor
1003 * More verbose description at:
1004 * ACPI 5.0: 19.5.64 IRQNoFlags (Interrupt Resource Descriptor Macro)
1005 * 6.4.2.1 IRQ Descriptor
1007 Aml
*aml_irq_no_flags(uint8_t irq
)
1010 Aml
*var
= aml_alloc();
1013 build_append_byte(var
->buf
, 0x22); /* IRQ descriptor 2 byte form */
1015 irq_mask
= 1U << irq
;
1016 build_append_byte(var
->buf
, irq_mask
& 0xFF); /* IRQ mask bits[7:0] */
1017 build_append_byte(var
->buf
, irq_mask
>> 8); /* IRQ mask bits[15:8] */
1021 /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLNot */
1022 Aml
*aml_lnot(Aml
*arg
)
1024 Aml
*var
= aml_opcode(0x92 /* LNotOp */);
1025 aml_append(var
, arg
);
1029 /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLEqual */
1030 Aml
*aml_equal(Aml
*arg1
, Aml
*arg2
)
1032 Aml
*var
= aml_opcode(0x93 /* LequalOp */);
1033 aml_append(var
, arg1
);
1034 aml_append(var
, arg2
);
1038 /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLGreater */
1039 Aml
*aml_lgreater(Aml
*arg1
, Aml
*arg2
)
1041 Aml
*var
= aml_opcode(0x94 /* LGreaterOp */);
1042 aml_append(var
, arg1
);
1043 aml_append(var
, arg2
);
1047 /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLGreaterEqual */
1048 Aml
*aml_lgreater_equal(Aml
*arg1
, Aml
*arg2
)
1050 /* LGreaterEqualOp := LNotOp LLessOp */
1051 Aml
*var
= aml_opcode(0x92 /* LNotOp */);
1052 build_append_byte(var
->buf
, 0x95 /* LLessOp */);
1053 aml_append(var
, arg1
);
1054 aml_append(var
, arg2
);
1058 /* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefIfElse */
1059 Aml
*aml_if(Aml
*predicate
)
1061 Aml
*var
= aml_bundle(0xA0 /* IfOp */, AML_PACKAGE
);
1062 aml_append(var
, predicate
);
1066 /* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefElse */
1069 Aml
*var
= aml_bundle(0xA1 /* ElseOp */, AML_PACKAGE
);
1073 /* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefWhile */
1074 Aml
*aml_while(Aml
*predicate
)
1076 Aml
*var
= aml_bundle(0xA2 /* WhileOp */, AML_PACKAGE
);
1077 aml_append(var
, predicate
);
1081 /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefMethod */
1082 Aml
*aml_method(const char *name
, int arg_count
, AmlSerializeFlag sflag
)
1084 Aml
*var
= aml_bundle(0x14 /* MethodOp */, AML_PACKAGE
);
1089 * bit 0-2: ArgCount (0-7)
1090 * bit 3: SerializeFlag
1093 * bit 4-7: reserved (must be 0)
1095 assert(arg_count
< 8);
1096 methodflags
= arg_count
| (sflag
<< 3);
1098 build_append_namestring(var
->buf
, "%s", name
);
1099 build_append_byte(var
->buf
, methodflags
); /* MethodFlags: ArgCount */
1103 /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefDevice */
1104 Aml
*aml_device(const char *name_format
, ...)
1107 Aml
*var
= aml_bundle(0x82 /* DeviceOp */, AML_EXT_PACKAGE
);
1108 va_start(ap
, name_format
);
1109 build_append_namestringv(var
->buf
, name_format
, ap
);
1114 /* ACPI 1.0b: 6.4.1 ASL Macros for Resource Descriptors */
1115 Aml
*aml_resource_template(void)
1117 /* ResourceTemplate is a buffer of Resources with EndTag at the end */
1118 Aml
*var
= aml_bundle(0x11 /* BufferOp */, AML_RES_TEMPLATE
);
1122 /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefBuffer
1123 * Pass byte_list as NULL to request uninitialized buffer to reserve space.
1125 Aml
*aml_buffer(int buffer_size
, uint8_t *byte_list
)
1128 Aml
*var
= aml_bundle(0x11 /* BufferOp */, AML_BUFFER
);
1130 for (i
= 0; i
< buffer_size
; i
++) {
1131 if (byte_list
== NULL
) {
1132 build_append_byte(var
->buf
, 0x0);
1134 build_append_byte(var
->buf
, byte_list
[i
]);
1141 /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefPackage */
1142 Aml
*aml_package(uint8_t num_elements
)
1144 Aml
*var
= aml_bundle(0x12 /* PackageOp */, AML_PACKAGE
);
1145 build_append_byte(var
->buf
, num_elements
);
1149 /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefOpRegion */
1150 Aml
*aml_operation_region(const char *name
, AmlRegionSpace rs
,
1151 Aml
*offset
, uint32_t len
)
1153 Aml
*var
= aml_alloc();
1154 build_append_byte(var
->buf
, 0x5B); /* ExtOpPrefix */
1155 build_append_byte(var
->buf
, 0x80); /* OpRegionOp */
1156 build_append_namestring(var
->buf
, "%s", name
);
1157 build_append_byte(var
->buf
, rs
);
1158 aml_append(var
, offset
);
1159 build_append_int(var
->buf
, len
);
1163 /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: NamedField */
1164 Aml
*aml_named_field(const char *name
, unsigned length
)
1166 Aml
*var
= aml_alloc();
1167 build_append_nameseg(var
->buf
, name
);
1168 build_append_pkg_length(var
->buf
, length
, false);
1172 /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: ReservedField */
1173 Aml
*aml_reserved_field(unsigned length
)
1175 Aml
*var
= aml_alloc();
1176 /* ReservedField := 0x00 PkgLength */
1177 build_append_byte(var
->buf
, 0x00);
1178 build_append_pkg_length(var
->buf
, length
, false);
1182 /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefField */
1183 Aml
*aml_field(const char *name
, AmlAccessType type
, AmlLockRule lock
,
1186 Aml
*var
= aml_bundle(0x81 /* FieldOp */, AML_EXT_PACKAGE
);
1187 uint8_t flags
= rule
<< 5 | type
;
1189 flags
|= lock
<< 4; /* LockRule at 4 bit offset */
1191 build_append_namestring(var
->buf
, "%s", name
);
1192 build_append_byte(var
->buf
, flags
);
1197 Aml
*create_field_common(int opcode
, Aml
*srcbuf
, Aml
*index
, const char *name
)
1199 Aml
*var
= aml_opcode(opcode
);
1200 aml_append(var
, srcbuf
);
1201 aml_append(var
, index
);
1202 build_append_namestring(var
->buf
, "%s", name
);
1206 /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefCreateField */
1207 Aml
*aml_create_field(Aml
*srcbuf
, Aml
*bit_index
, Aml
*num_bits
,
1210 Aml
*var
= aml_alloc();
1211 build_append_byte(var
->buf
, 0x5B); /* ExtOpPrefix */
1212 build_append_byte(var
->buf
, 0x13); /* CreateFieldOp */
1213 aml_append(var
, srcbuf
);
1214 aml_append(var
, bit_index
);
1215 aml_append(var
, num_bits
);
1216 build_append_namestring(var
->buf
, "%s", name
);
1220 /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefCreateDWordField */
1221 Aml
*aml_create_dword_field(Aml
*srcbuf
, Aml
*index
, const char *name
)
1223 return create_field_common(0x8A /* CreateDWordFieldOp */,
1224 srcbuf
, index
, name
);
1227 /* ACPI 2.0a: 17.2.4.2 Named Objects Encoding: DefCreateQWordField */
1228 Aml
*aml_create_qword_field(Aml
*srcbuf
, Aml
*index
, const char *name
)
1230 return create_field_common(0x8F /* CreateQWordFieldOp */,
1231 srcbuf
, index
, name
);
1234 /* ACPI 1.0b: 16.2.3 Data Objects Encoding: String */
1235 Aml
*aml_string(const char *name_format
, ...)
1237 Aml
*var
= aml_opcode(0x0D /* StringPrefix */);
1242 va_start(ap
, name_format
);
1243 len
= g_vasprintf(&s
, name_format
, ap
);
1246 g_array_append_vals(var
->buf
, s
, len
+ 1);
1252 /* ACPI 1.0b: 16.2.6.2 Local Objects Encoding */
1253 Aml
*aml_local(int num
)
1255 uint8_t op
= 0x60 /* Local0Op */ + num
;
1258 return aml_opcode(op
);
1261 /* ACPI 2.0a: 17.2.2 Data Objects Encoding: DefVarPackage */
1262 Aml
*aml_varpackage(uint32_t num_elements
)
1264 Aml
*var
= aml_bundle(0x13 /* VarPackageOp */, AML_PACKAGE
);
1265 build_append_int(var
->buf
, num_elements
);
1269 /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefProcessor */
1270 Aml
*aml_processor(uint8_t proc_id
, uint32_t pblk_addr
, uint8_t pblk_len
,
1271 const char *name_format
, ...)
1274 Aml
*var
= aml_bundle(0x83 /* ProcessorOp */, AML_EXT_PACKAGE
);
1275 va_start(ap
, name_format
);
1276 build_append_namestringv(var
->buf
, name_format
, ap
);
1278 build_append_byte(var
->buf
, proc_id
); /* ProcID */
1279 build_append_int_noprefix(var
->buf
, pblk_addr
, sizeof(pblk_addr
));
1280 build_append_byte(var
->buf
, pblk_len
); /* PblkLen */
1284 static uint8_t Hex2Digit(char c
)
1287 return c
- 'A' + 10;
1293 /* ACPI 1.0b: 15.2.3.6.4.1 EISAID Macro - Convert EISA ID String To Integer */
1294 Aml
*aml_eisaid(const char *str
)
1296 Aml
*var
= aml_alloc();
1299 g_assert(strlen(str
) == 7);
1300 id
= (str
[0] - 0x40) << 26 |
1301 (str
[1] - 0x40) << 21 |
1302 (str
[2] - 0x40) << 16 |
1303 Hex2Digit(str
[3]) << 12 |
1304 Hex2Digit(str
[4]) << 8 |
1305 Hex2Digit(str
[5]) << 4 |
1308 build_append_byte(var
->buf
, 0x0C); /* DWordPrefix */
1309 build_append_int_noprefix(var
->buf
, bswap32(id
), sizeof(id
));
1313 /* ACPI 1.0b: 6.4.3.5.5 Word Address Space Descriptor: bytes 3-5 */
1314 static Aml
*aml_as_desc_header(AmlResourceType type
, AmlMinFixed min_fixed
,
1315 AmlMaxFixed max_fixed
, AmlDecode dec
,
1318 uint8_t flags
= max_fixed
| min_fixed
| dec
;
1319 Aml
*var
= aml_alloc();
1321 build_append_byte(var
->buf
, type
);
1322 build_append_byte(var
->buf
, flags
);
1323 build_append_byte(var
->buf
, type_flags
); /* Type Specific Flags */
1327 /* ACPI 1.0b: 6.4.3.5.5 Word Address Space Descriptor */
1328 static Aml
*aml_word_as_desc(AmlResourceType type
, AmlMinFixed min_fixed
,
1329 AmlMaxFixed max_fixed
, AmlDecode dec
,
1330 uint16_t addr_gran
, uint16_t addr_min
,
1331 uint16_t addr_max
, uint16_t addr_trans
,
1332 uint16_t len
, uint8_t type_flags
)
1334 Aml
*var
= aml_alloc();
1336 build_append_byte(var
->buf
, 0x88); /* Word Address Space Descriptor */
1337 /* minimum length since we do not encode optional fields */
1338 build_append_byte(var
->buf
, 0x0D);
1339 build_append_byte(var
->buf
, 0x0);
1342 aml_as_desc_header(type
, min_fixed
, max_fixed
, dec
, type_flags
));
1343 build_append_int_noprefix(var
->buf
, addr_gran
, sizeof(addr_gran
));
1344 build_append_int_noprefix(var
->buf
, addr_min
, sizeof(addr_min
));
1345 build_append_int_noprefix(var
->buf
, addr_max
, sizeof(addr_max
));
1346 build_append_int_noprefix(var
->buf
, addr_trans
, sizeof(addr_trans
));
1347 build_append_int_noprefix(var
->buf
, len
, sizeof(len
));
1351 /* ACPI 1.0b: 6.4.3.5.3 DWord Address Space Descriptor */
1352 static Aml
*aml_dword_as_desc(AmlResourceType type
, AmlMinFixed min_fixed
,
1353 AmlMaxFixed max_fixed
, AmlDecode dec
,
1354 uint32_t addr_gran
, uint32_t addr_min
,
1355 uint32_t addr_max
, uint32_t addr_trans
,
1356 uint32_t len
, uint8_t type_flags
)
1358 Aml
*var
= aml_alloc();
1360 build_append_byte(var
->buf
, 0x87); /* DWord Address Space Descriptor */
1361 /* minimum length since we do not encode optional fields */
1362 build_append_byte(var
->buf
, 23);
1363 build_append_byte(var
->buf
, 0x0);
1367 aml_as_desc_header(type
, min_fixed
, max_fixed
, dec
, type_flags
));
1368 build_append_int_noprefix(var
->buf
, addr_gran
, sizeof(addr_gran
));
1369 build_append_int_noprefix(var
->buf
, addr_min
, sizeof(addr_min
));
1370 build_append_int_noprefix(var
->buf
, addr_max
, sizeof(addr_max
));
1371 build_append_int_noprefix(var
->buf
, addr_trans
, sizeof(addr_trans
));
1372 build_append_int_noprefix(var
->buf
, len
, sizeof(len
));
1376 /* ACPI 1.0b: 6.4.3.5.1 QWord Address Space Descriptor */
1377 static Aml
*aml_qword_as_desc(AmlResourceType type
, AmlMinFixed min_fixed
,
1378 AmlMaxFixed max_fixed
, AmlDecode dec
,
1379 uint64_t addr_gran
, uint64_t addr_min
,
1380 uint64_t addr_max
, uint64_t addr_trans
,
1381 uint64_t len
, uint8_t type_flags
)
1383 Aml
*var
= aml_alloc();
1385 build_append_byte(var
->buf
, 0x8A); /* QWord Address Space Descriptor */
1386 /* minimum length since we do not encode optional fields */
1387 build_append_byte(var
->buf
, 0x2B);
1388 build_append_byte(var
->buf
, 0x0);
1391 aml_as_desc_header(type
, min_fixed
, max_fixed
, dec
, type_flags
));
1392 build_append_int_noprefix(var
->buf
, addr_gran
, sizeof(addr_gran
));
1393 build_append_int_noprefix(var
->buf
, addr_min
, sizeof(addr_min
));
1394 build_append_int_noprefix(var
->buf
, addr_max
, sizeof(addr_max
));
1395 build_append_int_noprefix(var
->buf
, addr_trans
, sizeof(addr_trans
));
1396 build_append_int_noprefix(var
->buf
, len
, sizeof(len
));
1401 * ACPI 1.0b: 6.4.3.5.6 ASL Macros for WORD Address Descriptor
1403 * More verbose description at:
1404 * ACPI 5.0: 19.5.141 WordBusNumber (Word Bus Number Resource Descriptor Macro)
1406 Aml
*aml_word_bus_number(AmlMinFixed min_fixed
, AmlMaxFixed max_fixed
,
1407 AmlDecode dec
, uint16_t addr_gran
,
1408 uint16_t addr_min
, uint16_t addr_max
,
1409 uint16_t addr_trans
, uint16_t len
)
1412 return aml_word_as_desc(AML_BUS_NUMBER_RANGE
, min_fixed
, max_fixed
, dec
,
1413 addr_gran
, addr_min
, addr_max
, addr_trans
, len
, 0);
1417 * ACPI 1.0b: 6.4.3.5.6 ASL Macros for WORD Address Descriptor
1419 * More verbose description at:
1420 * ACPI 5.0: 19.5.142 WordIO (Word IO Resource Descriptor Macro)
1422 Aml
*aml_word_io(AmlMinFixed min_fixed
, AmlMaxFixed max_fixed
,
1423 AmlDecode dec
, AmlISARanges isa_ranges
,
1424 uint16_t addr_gran
, uint16_t addr_min
,
1425 uint16_t addr_max
, uint16_t addr_trans
,
1429 return aml_word_as_desc(AML_IO_RANGE
, min_fixed
, max_fixed
, dec
,
1430 addr_gran
, addr_min
, addr_max
, addr_trans
, len
,
1435 * ACPI 1.0b: 6.4.3.5.4 ASL Macros for DWORD Address Descriptor
1437 * More verbose description at:
1438 * ACPI 5.0: 19.5.33 DWordIO (DWord IO Resource Descriptor Macro)
1440 Aml
*aml_dword_io(AmlMinFixed min_fixed
, AmlMaxFixed max_fixed
,
1441 AmlDecode dec
, AmlISARanges isa_ranges
,
1442 uint32_t addr_gran
, uint32_t addr_min
,
1443 uint32_t addr_max
, uint32_t addr_trans
,
1447 return aml_dword_as_desc(AML_IO_RANGE
, min_fixed
, max_fixed
, dec
,
1448 addr_gran
, addr_min
, addr_max
, addr_trans
, len
,
1453 * ACPI 1.0b: 6.4.3.5.4 ASL Macros for DWORD Address Space Descriptor
1455 * More verbose description at:
1456 * ACPI 5.0: 19.5.34 DWordMemory (DWord Memory Resource Descriptor Macro)
1458 Aml
*aml_dword_memory(AmlDecode dec
, AmlMinFixed min_fixed
,
1459 AmlMaxFixed max_fixed
, AmlCacheable cacheable
,
1460 AmlReadAndWrite read_and_write
,
1461 uint32_t addr_gran
, uint32_t addr_min
,
1462 uint32_t addr_max
, uint32_t addr_trans
,
1465 uint8_t flags
= read_and_write
| (cacheable
<< 1);
1467 return aml_dword_as_desc(AML_MEMORY_RANGE
, min_fixed
, max_fixed
,
1468 dec
, addr_gran
, addr_min
, addr_max
,
1469 addr_trans
, len
, flags
);
1473 * ACPI 1.0b: 6.4.3.5.2 ASL Macros for QWORD Address Space Descriptor
1475 * More verbose description at:
1476 * ACPI 5.0: 19.5.102 QWordMemory (QWord Memory Resource Descriptor Macro)
1478 Aml
*aml_qword_memory(AmlDecode dec
, AmlMinFixed min_fixed
,
1479 AmlMaxFixed max_fixed
, AmlCacheable cacheable
,
1480 AmlReadAndWrite read_and_write
,
1481 uint64_t addr_gran
, uint64_t addr_min
,
1482 uint64_t addr_max
, uint64_t addr_trans
,
1485 uint8_t flags
= read_and_write
| (cacheable
<< 1);
1487 return aml_qword_as_desc(AML_MEMORY_RANGE
, min_fixed
, max_fixed
,
1488 dec
, addr_gran
, addr_min
, addr_max
,
1489 addr_trans
, len
, flags
);
1492 /* ACPI 1.0b: 6.4.2.2 DMA Format/6.4.2.2.1 ASL Macro for DMA Descriptor */
1493 Aml
*aml_dma(AmlDmaType typ
, AmlDmaBusMaster bm
, AmlTransferSize sz
,
1496 Aml
*var
= aml_alloc();
1497 uint8_t flags
= sz
| bm
<< 2 | typ
<< 5;
1499 assert(channel
< 8);
1500 build_append_byte(var
->buf
, 0x2A); /* Byte 0: DMA Descriptor */
1501 build_append_byte(var
->buf
, 1U << channel
); /* Byte 1: _DMA - DmaChannel */
1502 build_append_byte(var
->buf
, flags
); /* Byte 2 */
1506 /* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefSleep */
1507 Aml
*aml_sleep(uint64_t msec
)
1509 Aml
*var
= aml_alloc();
1510 build_append_byte(var
->buf
, 0x5B); /* ExtOpPrefix */
1511 build_append_byte(var
->buf
, 0x22); /* SleepOp */
1512 aml_append(var
, aml_int(msec
));
1516 static uint8_t Hex2Byte(const char *src
)
1520 hi
= Hex2Digit(src
[0]);
1524 lo
= Hex2Digit(src
[1]);
1527 return (hi
<< 4) | lo
;
1531 * ACPI 3.0: 17.5.124 ToUUID (Convert String to UUID Macro)
1532 * e.g. UUID: aabbccdd-eeff-gghh-iijj-kkllmmnnoopp
1533 * call aml_touuid("aabbccdd-eeff-gghh-iijj-kkllmmnnoopp");
1535 Aml
*aml_touuid(const char *uuid
)
1537 Aml
*var
= aml_bundle(0x11 /* BufferOp */, AML_BUFFER
);
1539 assert(strlen(uuid
) == 36);
1540 assert(uuid
[8] == '-');
1541 assert(uuid
[13] == '-');
1542 assert(uuid
[18] == '-');
1543 assert(uuid
[23] == '-');
1545 build_append_byte(var
->buf
, Hex2Byte(uuid
+ 6)); /* dd - at offset 00 */
1546 build_append_byte(var
->buf
, Hex2Byte(uuid
+ 4)); /* cc - at offset 01 */
1547 build_append_byte(var
->buf
, Hex2Byte(uuid
+ 2)); /* bb - at offset 02 */
1548 build_append_byte(var
->buf
, Hex2Byte(uuid
+ 0)); /* aa - at offset 03 */
1550 build_append_byte(var
->buf
, Hex2Byte(uuid
+ 11)); /* ff - at offset 04 */
1551 build_append_byte(var
->buf
, Hex2Byte(uuid
+ 9)); /* ee - at offset 05 */
1553 build_append_byte(var
->buf
, Hex2Byte(uuid
+ 16)); /* hh - at offset 06 */
1554 build_append_byte(var
->buf
, Hex2Byte(uuid
+ 14)); /* gg - at offset 07 */
1556 build_append_byte(var
->buf
, Hex2Byte(uuid
+ 19)); /* ii - at offset 08 */
1557 build_append_byte(var
->buf
, Hex2Byte(uuid
+ 21)); /* jj - at offset 09 */
1559 build_append_byte(var
->buf
, Hex2Byte(uuid
+ 24)); /* kk - at offset 10 */
1560 build_append_byte(var
->buf
, Hex2Byte(uuid
+ 26)); /* ll - at offset 11 */
1561 build_append_byte(var
->buf
, Hex2Byte(uuid
+ 28)); /* mm - at offset 12 */
1562 build_append_byte(var
->buf
, Hex2Byte(uuid
+ 30)); /* nn - at offset 13 */
1563 build_append_byte(var
->buf
, Hex2Byte(uuid
+ 32)); /* oo - at offset 14 */
1564 build_append_byte(var
->buf
, Hex2Byte(uuid
+ 34)); /* pp - at offset 15 */
1570 * ACPI 2.0b: 16.2.3.6.4.3 Unicode Macro (Convert Ascii String To Unicode)
1572 Aml
*aml_unicode(const char *str
)
1575 Aml
*var
= aml_bundle(0x11 /* BufferOp */, AML_BUFFER
);
1578 build_append_byte(var
->buf
, str
[i
]);
1579 build_append_byte(var
->buf
, 0);
1581 } while (i
<= strlen(str
));
1586 /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefRefOf */
1587 Aml
*aml_refof(Aml
*arg
)
1589 Aml
*var
= aml_opcode(0x71 /* RefOfOp */);
1590 aml_append(var
, arg
);
1594 /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefDerefOf */
1595 Aml
*aml_derefof(Aml
*arg
)
1597 Aml
*var
= aml_opcode(0x83 /* DerefOfOp */);
1598 aml_append(var
, arg
);
1602 /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefSizeOf */
1603 Aml
*aml_sizeof(Aml
*arg
)
1605 Aml
*var
= aml_opcode(0x87 /* SizeOfOp */);
1606 aml_append(var
, arg
);
1610 /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefMutex */
1611 Aml
*aml_mutex(const char *name
, uint8_t sync_level
)
1613 Aml
*var
= aml_alloc();
1614 build_append_byte(var
->buf
, 0x5B); /* ExtOpPrefix */
1615 build_append_byte(var
->buf
, 0x01); /* MutexOp */
1616 build_append_namestring(var
->buf
, "%s", name
);
1617 assert(!(sync_level
& 0xF0));
1618 build_append_byte(var
->buf
, sync_level
);
1622 /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefAcquire */
1623 Aml
*aml_acquire(Aml
*mutex
, uint16_t timeout
)
1625 Aml
*var
= aml_alloc();
1626 build_append_byte(var
->buf
, 0x5B); /* ExtOpPrefix */
1627 build_append_byte(var
->buf
, 0x23); /* AcquireOp */
1628 aml_append(var
, mutex
);
1629 build_append_int_noprefix(var
->buf
, timeout
, sizeof(timeout
));
1633 /* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefRelease */
1634 Aml
*aml_release(Aml
*mutex
)
1636 Aml
*var
= aml_alloc();
1637 build_append_byte(var
->buf
, 0x5B); /* ExtOpPrefix */
1638 build_append_byte(var
->buf
, 0x27); /* ReleaseOp */
1639 aml_append(var
, mutex
);
1643 /* ACPI 1.0b: 16.2.5.1 Name Space Modifier Objects Encoding: DefAlias */
1644 Aml
*aml_alias(const char *source_object
, const char *alias_object
)
1646 Aml
*var
= aml_opcode(0x06 /* AliasOp */);
1647 aml_append(var
, aml_name("%s", source_object
));
1648 aml_append(var
, aml_name("%s", alias_object
));
1652 /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefConcat */
1653 Aml
*aml_concatenate(Aml
*source1
, Aml
*source2
, Aml
*target
)
1655 return build_opcode_2arg_dst(0x73 /* ConcatOp */, source1
, source2
,
1659 /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefObjectType */
1660 Aml
*aml_object_type(Aml
*object
)
1662 Aml
*var
= aml_opcode(0x8E /* ObjectTypeOp */);
1663 aml_append(var
, object
);
1668 build_header(BIOSLinker
*linker
, GArray
*table_data
,
1669 AcpiTableHeader
*h
, const char *sig
, int len
, uint8_t rev
,
1670 const char *oem_id
, const char *oem_table_id
)
1672 unsigned tbl_offset
= (char *)h
- table_data
->data
;
1673 unsigned checksum_offset
= (char *)&h
->checksum
- table_data
->data
;
1674 memcpy(&h
->signature
, sig
, 4);
1675 h
->length
= cpu_to_le32(len
);
1678 strpadcpy((char *)h
->oem_id
, sizeof h
->oem_id
, oem_id
, ' ');
1679 strpadcpy((char *)h
->oem_table_id
, sizeof h
->oem_table_id
,
1682 h
->oem_revision
= cpu_to_le32(1);
1683 memcpy(h
->asl_compiler_id
, ACPI_BUILD_APPNAME8
, 4);
1684 h
->asl_compiler_revision
= cpu_to_le32(1);
1685 /* Checksum to be filled in by Guest linker */
1686 bios_linker_loader_add_checksum(linker
, ACPI_BUILD_TABLE_FILE
,
1687 tbl_offset
, len
, checksum_offset
);
1690 void *acpi_data_push(GArray
*table_data
, unsigned size
)
1692 unsigned off
= table_data
->len
;
1693 g_array_set_size(table_data
, off
+ size
);
1694 return table_data
->data
+ off
;
1697 unsigned acpi_data_len(GArray
*table
)
1699 assert(g_array_get_element_size(table
) == 1);
1703 void acpi_add_table(GArray
*table_offsets
, GArray
*table_data
)
1705 uint32_t offset
= table_data
->len
;
1706 g_array_append_val(table_offsets
, offset
);
1709 void acpi_build_tables_init(AcpiBuildTables
*tables
)
1711 tables
->rsdp
= g_array_new(false, true /* clear */, 1);
1712 tables
->table_data
= g_array_new(false, true /* clear */, 1);
1713 tables
->tcpalog
= g_array_new(false, true /* clear */, 1);
1714 tables
->vmgenid
= g_array_new(false, true /* clear */, 1);
1715 tables
->hardware_errors
= g_array_new(false, true /* clear */, 1);
1716 tables
->linker
= bios_linker_loader_init();
1719 void acpi_build_tables_cleanup(AcpiBuildTables
*tables
, bool mfre
)
1721 bios_linker_loader_cleanup(tables
->linker
);
1722 g_array_free(tables
->rsdp
, true);
1723 g_array_free(tables
->table_data
, true);
1724 g_array_free(tables
->tcpalog
, mfre
);
1725 g_array_free(tables
->vmgenid
, mfre
);
1726 g_array_free(tables
->hardware_errors
, mfre
);
1730 * ACPI spec 5.2.5.3 Root System Description Pointer (RSDP).
1731 * (Revision 1.0 or later)
1734 build_rsdp(GArray
*tbl
, BIOSLinker
*linker
, AcpiRsdpData
*rsdp_data
)
1736 int tbl_off
= tbl
->len
; /* Table offset in the RSDP file */
1738 switch (rsdp_data
->revision
) {
1740 /* With ACPI 1.0, we must have an RSDT pointer */
1741 g_assert(rsdp_data
->rsdt_tbl_offset
);
1744 /* With ACPI 2.0+, we must have an XSDT pointer */
1745 g_assert(rsdp_data
->xsdt_tbl_offset
);
1748 /* Only revisions 0 (ACPI 1.0) and 2 (ACPI 2.0+) are valid for RSDP */
1749 g_assert_not_reached();
1752 bios_linker_loader_alloc(linker
, ACPI_BUILD_RSDP_FILE
, tbl
, 16,
1753 true /* fseg memory */);
1755 g_array_append_vals(tbl
, "RSD PTR ", 8); /* Signature */
1756 build_append_int_noprefix(tbl
, 0, 1); /* Checksum */
1757 g_array_append_vals(tbl
, rsdp_data
->oem_id
, 6); /* OEMID */
1758 build_append_int_noprefix(tbl
, rsdp_data
->revision
, 1); /* Revision */
1759 build_append_int_noprefix(tbl
, 0, 4); /* RsdtAddress */
1760 if (rsdp_data
->rsdt_tbl_offset
) {
1761 /* RSDT address to be filled by guest linker */
1762 bios_linker_loader_add_pointer(linker
, ACPI_BUILD_RSDP_FILE
,
1764 ACPI_BUILD_TABLE_FILE
,
1765 *rsdp_data
->rsdt_tbl_offset
);
1768 /* Checksum to be filled by guest linker */
1769 bios_linker_loader_add_checksum(linker
, ACPI_BUILD_RSDP_FILE
,
1770 tbl_off
, 20, /* ACPI rev 1.0 RSDP size */
1773 if (rsdp_data
->revision
== 0) {
1774 /* ACPI 1.0 RSDP, we're done */
1778 build_append_int_noprefix(tbl
, 36, 4); /* Length */
1780 /* XSDT address to be filled by guest linker */
1781 build_append_int_noprefix(tbl
, 0, 8); /* XsdtAddress */
1782 /* We already validated our xsdt pointer */
1783 bios_linker_loader_add_pointer(linker
, ACPI_BUILD_RSDP_FILE
,
1785 ACPI_BUILD_TABLE_FILE
,
1786 *rsdp_data
->xsdt_tbl_offset
);
1788 build_append_int_noprefix(tbl
, 0, 1); /* Extended Checksum */
1789 build_append_int_noprefix(tbl
, 0, 3); /* Reserved */
1791 /* Extended checksum to be filled by Guest linker */
1792 bios_linker_loader_add_checksum(linker
, ACPI_BUILD_RSDP_FILE
,
1793 tbl_off
, 36, /* ACPI rev 2.0 RSDP size */
1797 /* Build rsdt table */
1799 build_rsdt(GArray
*table_data
, BIOSLinker
*linker
, GArray
*table_offsets
,
1800 const char *oem_id
, const char *oem_table_id
)
1803 unsigned rsdt_entries_offset
;
1804 AcpiRsdtDescriptorRev1
*rsdt
;
1805 const unsigned table_data_len
= (sizeof(uint32_t) * table_offsets
->len
);
1806 const unsigned rsdt_entry_size
= sizeof(rsdt
->table_offset_entry
[0]);
1807 const size_t rsdt_len
= sizeof(*rsdt
) + table_data_len
;
1809 rsdt
= acpi_data_push(table_data
, rsdt_len
);
1810 rsdt_entries_offset
= (char *)rsdt
->table_offset_entry
- table_data
->data
;
1811 for (i
= 0; i
< table_offsets
->len
; ++i
) {
1812 uint32_t ref_tbl_offset
= g_array_index(table_offsets
, uint32_t, i
);
1813 uint32_t rsdt_entry_offset
= rsdt_entries_offset
+ rsdt_entry_size
* i
;
1815 /* rsdt->table_offset_entry to be filled by Guest linker */
1816 bios_linker_loader_add_pointer(linker
,
1817 ACPI_BUILD_TABLE_FILE
, rsdt_entry_offset
, rsdt_entry_size
,
1818 ACPI_BUILD_TABLE_FILE
, ref_tbl_offset
);
1820 build_header(linker
, table_data
,
1821 (void *)rsdt
, "RSDT", rsdt_len
, 1, oem_id
, oem_table_id
);
1824 /* Build xsdt table */
1826 build_xsdt(GArray
*table_data
, BIOSLinker
*linker
, GArray
*table_offsets
,
1827 const char *oem_id
, const char *oem_table_id
)
1830 unsigned xsdt_entries_offset
;
1831 AcpiXsdtDescriptorRev2
*xsdt
;
1832 const unsigned table_data_len
= (sizeof(uint64_t) * table_offsets
->len
);
1833 const unsigned xsdt_entry_size
= sizeof(xsdt
->table_offset_entry
[0]);
1834 const size_t xsdt_len
= sizeof(*xsdt
) + table_data_len
;
1836 xsdt
= acpi_data_push(table_data
, xsdt_len
);
1837 xsdt_entries_offset
= (char *)xsdt
->table_offset_entry
- table_data
->data
;
1838 for (i
= 0; i
< table_offsets
->len
; ++i
) {
1839 uint64_t ref_tbl_offset
= g_array_index(table_offsets
, uint32_t, i
);
1840 uint64_t xsdt_entry_offset
= xsdt_entries_offset
+ xsdt_entry_size
* i
;
1842 /* xsdt->table_offset_entry to be filled by Guest linker */
1843 bios_linker_loader_add_pointer(linker
,
1844 ACPI_BUILD_TABLE_FILE
, xsdt_entry_offset
, xsdt_entry_size
,
1845 ACPI_BUILD_TABLE_FILE
, ref_tbl_offset
);
1847 build_header(linker
, table_data
,
1848 (void *)xsdt
, "XSDT", xsdt_len
, 1, oem_id
, oem_table_id
);
1851 void build_srat_memory(AcpiSratMemoryAffinity
*numamem
, uint64_t base
,
1852 uint64_t len
, int node
, MemoryAffinityFlags flags
)
1854 numamem
->type
= ACPI_SRAT_MEMORY
;
1855 numamem
->length
= sizeof(*numamem
);
1856 numamem
->proximity
= cpu_to_le32(node
);
1857 numamem
->flags
= cpu_to_le32(flags
);
1858 numamem
->base_addr
= cpu_to_le64(base
);
1859 numamem
->range_length
= cpu_to_le64(len
);
1863 * ACPI spec 5.2.17 System Locality Distance Information Table
1864 * (Revision 2.0 or later)
1866 void build_slit(GArray
*table_data
, BIOSLinker
*linker
, MachineState
*ms
,
1867 const char *oem_id
, const char *oem_table_id
)
1869 int slit_start
, i
, j
;
1870 slit_start
= table_data
->len
;
1871 int nb_numa_nodes
= ms
->numa_state
->num_nodes
;
1873 acpi_data_push(table_data
, sizeof(AcpiTableHeader
));
1875 build_append_int_noprefix(table_data
, nb_numa_nodes
, 8);
1876 for (i
= 0; i
< nb_numa_nodes
; i
++) {
1877 for (j
= 0; j
< nb_numa_nodes
; j
++) {
1878 assert(ms
->numa_state
->nodes
[i
].distance
[j
]);
1879 build_append_int_noprefix(table_data
,
1880 ms
->numa_state
->nodes
[i
].distance
[j
],
1885 build_header(linker
, table_data
,
1886 (void *)(table_data
->data
+ slit_start
),
1888 table_data
->len
- slit_start
, 1, oem_id
, oem_table_id
);
1891 /* build rev1/rev3/rev5.1 FADT */
1892 void build_fadt(GArray
*tbl
, BIOSLinker
*linker
, const AcpiFadtData
*f
,
1893 const char *oem_id
, const char *oem_table_id
)
1896 int fadt_start
= tbl
->len
;
1898 acpi_data_push(tbl
, sizeof(AcpiTableHeader
));
1900 /* FACS address to be filled by Guest linker at runtime */
1902 build_append_int_noprefix(tbl
, 0, 4); /* FIRMWARE_CTRL */
1903 if (f
->facs_tbl_offset
) { /* don't patch if not supported by platform */
1904 bios_linker_loader_add_pointer(linker
,
1905 ACPI_BUILD_TABLE_FILE
, off
, 4,
1906 ACPI_BUILD_TABLE_FILE
, *f
->facs_tbl_offset
);
1909 /* DSDT address to be filled by Guest linker at runtime */
1911 build_append_int_noprefix(tbl
, 0, 4); /* DSDT */
1912 if (f
->dsdt_tbl_offset
) { /* don't patch if not supported by platform */
1913 bios_linker_loader_add_pointer(linker
,
1914 ACPI_BUILD_TABLE_FILE
, off
, 4,
1915 ACPI_BUILD_TABLE_FILE
, *f
->dsdt_tbl_offset
);
1918 /* ACPI1.0: INT_MODEL, ACPI2.0+: Reserved */
1919 build_append_int_noprefix(tbl
, f
->int_model
/* Multiple APIC */, 1);
1920 /* Preferred_PM_Profile */
1921 build_append_int_noprefix(tbl
, 0 /* Unspecified */, 1);
1922 build_append_int_noprefix(tbl
, f
->sci_int
, 2); /* SCI_INT */
1923 build_append_int_noprefix(tbl
, f
->smi_cmd
, 4); /* SMI_CMD */
1924 build_append_int_noprefix(tbl
, f
->acpi_enable_cmd
, 1); /* ACPI_ENABLE */
1925 build_append_int_noprefix(tbl
, f
->acpi_disable_cmd
, 1); /* ACPI_DISABLE */
1926 build_append_int_noprefix(tbl
, 0 /* not supported */, 1); /* S4BIOS_REQ */
1927 /* ACPI1.0: Reserved, ACPI2.0+: PSTATE_CNT */
1928 build_append_int_noprefix(tbl
, 0, 1);
1929 build_append_int_noprefix(tbl
, f
->pm1a_evt
.address
, 4); /* PM1a_EVT_BLK */
1930 build_append_int_noprefix(tbl
, 0, 4); /* PM1b_EVT_BLK */
1931 build_append_int_noprefix(tbl
, f
->pm1a_cnt
.address
, 4); /* PM1a_CNT_BLK */
1932 build_append_int_noprefix(tbl
, 0, 4); /* PM1b_CNT_BLK */
1933 build_append_int_noprefix(tbl
, 0, 4); /* PM2_CNT_BLK */
1934 build_append_int_noprefix(tbl
, f
->pm_tmr
.address
, 4); /* PM_TMR_BLK */
1935 build_append_int_noprefix(tbl
, f
->gpe0_blk
.address
, 4); /* GPE0_BLK */
1936 build_append_int_noprefix(tbl
, 0, 4); /* GPE1_BLK */
1938 build_append_int_noprefix(tbl
, f
->pm1a_evt
.bit_width
/ 8, 1);
1940 build_append_int_noprefix(tbl
, f
->pm1a_cnt
.bit_width
/ 8, 1);
1941 build_append_int_noprefix(tbl
, 0, 1); /* PM2_CNT_LEN */
1942 build_append_int_noprefix(tbl
, f
->pm_tmr
.bit_width
/ 8, 1); /* PM_TMR_LEN */
1944 build_append_int_noprefix(tbl
, f
->gpe0_blk
.bit_width
/ 8, 1);
1945 build_append_int_noprefix(tbl
, 0, 1); /* GPE1_BLK_LEN */
1946 build_append_int_noprefix(tbl
, 0, 1); /* GPE1_BASE */
1947 build_append_int_noprefix(tbl
, 0, 1); /* CST_CNT */
1948 build_append_int_noprefix(tbl
, f
->plvl2_lat
, 2); /* P_LVL2_LAT */
1949 build_append_int_noprefix(tbl
, f
->plvl3_lat
, 2); /* P_LVL3_LAT */
1950 build_append_int_noprefix(tbl
, 0, 2); /* FLUSH_SIZE */
1951 build_append_int_noprefix(tbl
, 0, 2); /* FLUSH_STRIDE */
1952 build_append_int_noprefix(tbl
, 0, 1); /* DUTY_OFFSET */
1953 build_append_int_noprefix(tbl
, 0, 1); /* DUTY_WIDTH */
1954 build_append_int_noprefix(tbl
, 0, 1); /* DAY_ALRM */
1955 build_append_int_noprefix(tbl
, 0, 1); /* MON_ALRM */
1956 build_append_int_noprefix(tbl
, f
->rtc_century
, 1); /* CENTURY */
1957 build_append_int_noprefix(tbl
, 0, 2); /* IAPC_BOOT_ARCH */
1958 build_append_int_noprefix(tbl
, 0, 1); /* Reserved */
1959 build_append_int_noprefix(tbl
, f
->flags
, 4); /* Flags */
1965 build_append_gas_from_struct(tbl
, &f
->reset_reg
); /* RESET_REG */
1966 build_append_int_noprefix(tbl
, f
->reset_val
, 1); /* RESET_VALUE */
1967 /* Since ACPI 5.1 */
1968 if ((f
->rev
>= 6) || ((f
->rev
== 5) && f
->minor_ver
> 0)) {
1969 build_append_int_noprefix(tbl
, f
->arm_boot_arch
, 2); /* ARM_BOOT_ARCH */
1970 /* FADT Minor Version */
1971 build_append_int_noprefix(tbl
, f
->minor_ver
, 1);
1973 build_append_int_noprefix(tbl
, 0, 3); /* Reserved upto ACPI 5.0 */
1975 build_append_int_noprefix(tbl
, 0, 8); /* X_FIRMWARE_CTRL */
1977 /* XDSDT address to be filled by Guest linker at runtime */
1979 build_append_int_noprefix(tbl
, 0, 8); /* X_DSDT */
1980 if (f
->xdsdt_tbl_offset
) {
1981 bios_linker_loader_add_pointer(linker
,
1982 ACPI_BUILD_TABLE_FILE
, off
, 8,
1983 ACPI_BUILD_TABLE_FILE
, *f
->xdsdt_tbl_offset
);
1986 build_append_gas_from_struct(tbl
, &f
->pm1a_evt
); /* X_PM1a_EVT_BLK */
1987 /* X_PM1b_EVT_BLK */
1988 build_append_gas(tbl
, AML_AS_SYSTEM_MEMORY
, 0 , 0, 0, 0);
1989 build_append_gas_from_struct(tbl
, &f
->pm1a_cnt
); /* X_PM1a_CNT_BLK */
1990 /* X_PM1b_CNT_BLK */
1991 build_append_gas(tbl
, AML_AS_SYSTEM_MEMORY
, 0 , 0, 0, 0);
1993 build_append_gas(tbl
, AML_AS_SYSTEM_MEMORY
, 0 , 0, 0, 0);
1994 build_append_gas_from_struct(tbl
, &f
->pm_tmr
); /* X_PM_TMR_BLK */
1995 build_append_gas_from_struct(tbl
, &f
->gpe0_blk
); /* X_GPE0_BLK */
1996 build_append_gas(tbl
, AML_AS_SYSTEM_MEMORY
, 0 , 0, 0, 0); /* X_GPE1_BLK */
2002 /* SLEEP_CONTROL_REG */
2003 build_append_gas_from_struct(tbl
, &f
->sleep_ctl
);
2004 /* SLEEP_STATUS_REG */
2005 build_append_gas_from_struct(tbl
, &f
->sleep_sts
);
2007 /* TODO: extra fields need to be added to support revisions above rev5 */
2008 assert(f
->rev
== 5);
2011 build_header(linker
, tbl
, (void *)(tbl
->data
+ fadt_start
),
2012 "FACP", tbl
->len
- fadt_start
, f
->rev
, oem_id
, oem_table_id
);
2016 * build_tpm2 - Build the TPM2 table as specified in
2017 * table 7: TCG Hardware Interface Description Table Format for TPM 2.0
2018 * of TCG ACPI Specification, Family “1.2” and “2.0”, Version 1.2, Rev 8
2020 void build_tpm2(GArray
*table_data
, BIOSLinker
*linker
, GArray
*tcpalog
,
2021 const char *oem_id
, const char *oem_table_id
)
2023 uint8_t start_method_params
[12] = {};
2024 unsigned log_addr_offset
, tpm2_start
;
2025 uint64_t control_area_start_address
;
2026 TPMIf
*tpmif
= tpm_find();
2027 uint32_t start_method
;
2030 tpm2_start
= table_data
->len
;
2031 tpm2_ptr
= acpi_data_push(table_data
, sizeof(AcpiTableHeader
));
2033 /* Platform Class */
2034 build_append_int_noprefix(table_data
, TPM2_ACPI_CLASS_CLIENT
, 2);
2036 build_append_int_noprefix(table_data
, 0, 2);
2037 if (TPM_IS_TIS_ISA(tpmif
) || TPM_IS_TIS_SYSBUS(tpmif
)) {
2038 control_area_start_address
= 0;
2039 start_method
= TPM2_START_METHOD_MMIO
;
2040 } else if (TPM_IS_CRB(tpmif
)) {
2041 control_area_start_address
= TPM_CRB_ADDR_CTRL
;
2042 start_method
= TPM2_START_METHOD_CRB
;
2044 g_assert_not_reached();
2046 /* Address of Control Area */
2047 build_append_int_noprefix(table_data
, control_area_start_address
, 8);
2049 build_append_int_noprefix(table_data
, start_method
, 4);
2051 /* Platform Specific Parameters */
2052 g_array_append_vals(table_data
, &start_method_params
,
2053 ARRAY_SIZE(start_method_params
));
2055 /* Log Area Minimum Length */
2056 build_append_int_noprefix(table_data
, TPM_LOG_AREA_MINIMUM_SIZE
, 4);
2058 acpi_data_push(tcpalog
, TPM_LOG_AREA_MINIMUM_SIZE
);
2059 bios_linker_loader_alloc(linker
, ACPI_BUILD_TPMLOG_FILE
, tcpalog
, 1,
2062 log_addr_offset
= table_data
->len
;
2064 /* Log Area Start Address to be filled by Guest linker */
2065 build_append_int_noprefix(table_data
, 0, 8);
2066 bios_linker_loader_add_pointer(linker
, ACPI_BUILD_TABLE_FILE
,
2068 ACPI_BUILD_TPMLOG_FILE
, 0);
2069 build_header(linker
, table_data
,
2070 tpm2_ptr
, "TPM2", table_data
->len
- tpm2_start
, 4, oem_id
,
2074 Aml
*build_crs(PCIHostState
*host
, CrsRangeSet
*range_set
, uint32_t io_offset
,
2075 uint32_t mmio32_offset
, uint64_t mmio64_offset
,
2076 uint16_t bus_nr_offset
)
2078 Aml
*crs
= aml_resource_template();
2079 CrsRangeSet temp_range_set
;
2080 CrsRangeEntry
*entry
;
2081 uint8_t max_bus
= pci_bus_num(host
->bus
);
2086 crs_range_set_init(&temp_range_set
);
2087 for (devfn
= 0; devfn
< ARRAY_SIZE(host
->bus
->devices
); devfn
++) {
2088 uint64_t range_base
, range_limit
;
2089 PCIDevice
*dev
= host
->bus
->devices
[devfn
];
2095 for (i
= 0; i
< PCI_NUM_REGIONS
; i
++) {
2096 PCIIORegion
*r
= &dev
->io_regions
[i
];
2098 range_base
= r
->addr
;
2099 range_limit
= r
->addr
+ r
->size
- 1;
2102 * Work-around for old bioses
2103 * that do not support multiple root buses
2105 if (!range_base
|| range_base
> range_limit
) {
2109 if (r
->type
& PCI_BASE_ADDRESS_SPACE_IO
) {
2110 crs_range_insert(temp_range_set
.io_ranges
,
2111 range_base
, range_limit
);
2112 } else { /* "memory" */
2113 uint64_t length
= range_limit
- range_base
+ 1;
2114 if (range_limit
<= UINT32_MAX
&& length
<= UINT32_MAX
) {
2115 crs_range_insert(temp_range_set
.mem_ranges
, range_base
,
2118 crs_range_insert(temp_range_set
.mem_64bit_ranges
,
2119 range_base
, range_limit
);
2124 type
= dev
->config
[PCI_HEADER_TYPE
] & ~PCI_HEADER_TYPE_MULTI_FUNCTION
;
2125 if (type
== PCI_HEADER_TYPE_BRIDGE
) {
2126 uint8_t subordinate
= dev
->config
[PCI_SUBORDINATE_BUS
];
2127 if (subordinate
> max_bus
) {
2128 max_bus
= subordinate
;
2131 range_base
= pci_bridge_get_base(dev
, PCI_BASE_ADDRESS_SPACE_IO
);
2132 range_limit
= pci_bridge_get_limit(dev
, PCI_BASE_ADDRESS_SPACE_IO
);
2135 * Work-around for old bioses
2136 * that do not support multiple root buses
2138 if (range_base
&& range_base
<= range_limit
) {
2139 crs_range_insert(temp_range_set
.io_ranges
,
2140 range_base
, range_limit
);
2144 pci_bridge_get_base(dev
, PCI_BASE_ADDRESS_SPACE_MEMORY
);
2146 pci_bridge_get_limit(dev
, PCI_BASE_ADDRESS_SPACE_MEMORY
);
2149 * Work-around for old bioses
2150 * that do not support multiple root buses
2152 if (range_base
&& range_base
<= range_limit
) {
2153 uint64_t length
= range_limit
- range_base
+ 1;
2154 if (range_limit
<= UINT32_MAX
&& length
<= UINT32_MAX
) {
2155 crs_range_insert(temp_range_set
.mem_ranges
,
2156 range_base
, range_limit
);
2158 crs_range_insert(temp_range_set
.mem_64bit_ranges
,
2159 range_base
, range_limit
);
2164 pci_bridge_get_base(dev
, PCI_BASE_ADDRESS_MEM_PREFETCH
);
2166 pci_bridge_get_limit(dev
, PCI_BASE_ADDRESS_MEM_PREFETCH
);
2169 * Work-around for old bioses
2170 * that do not support multiple root buses
2172 if (range_base
&& range_base
<= range_limit
) {
2173 uint64_t length
= range_limit
- range_base
+ 1;
2174 if (range_limit
<= UINT32_MAX
&& length
<= UINT32_MAX
) {
2175 crs_range_insert(temp_range_set
.mem_ranges
,
2176 range_base
, range_limit
);
2178 crs_range_insert(temp_range_set
.mem_64bit_ranges
,
2179 range_base
, range_limit
);
2185 crs_range_merge(temp_range_set
.io_ranges
);
2186 for (i
= 0; i
< temp_range_set
.io_ranges
->len
; i
++) {
2187 entry
= g_ptr_array_index(temp_range_set
.io_ranges
, i
);
2189 aml_dword_io(AML_MIN_FIXED
, AML_MAX_FIXED
,
2190 AML_POS_DECODE
, AML_ENTIRE_RANGE
,
2191 0, entry
->base
, entry
->limit
, io_offset
,
2192 entry
->limit
- entry
->base
+ 1));
2193 crs_range_insert(range_set
->io_ranges
, entry
->base
, entry
->limit
);
2196 crs_range_merge(temp_range_set
.mem_ranges
);
2197 for (i
= 0; i
< temp_range_set
.mem_ranges
->len
; i
++) {
2198 entry
= g_ptr_array_index(temp_range_set
.mem_ranges
, i
);
2199 assert(entry
->limit
<= UINT32_MAX
&&
2200 (entry
->limit
- entry
->base
+ 1) <= UINT32_MAX
);
2202 aml_dword_memory(AML_POS_DECODE
, AML_MIN_FIXED
,
2203 AML_MAX_FIXED
, AML_NON_CACHEABLE
,
2205 0, entry
->base
, entry
->limit
, mmio32_offset
,
2206 entry
->limit
- entry
->base
+ 1));
2207 crs_range_insert(range_set
->mem_ranges
, entry
->base
, entry
->limit
);
2210 crs_range_merge(temp_range_set
.mem_64bit_ranges
);
2211 for (i
= 0; i
< temp_range_set
.mem_64bit_ranges
->len
; i
++) {
2212 entry
= g_ptr_array_index(temp_range_set
.mem_64bit_ranges
, i
);
2214 aml_qword_memory(AML_POS_DECODE
, AML_MIN_FIXED
,
2215 AML_MAX_FIXED
, AML_NON_CACHEABLE
,
2217 0, entry
->base
, entry
->limit
, mmio64_offset
,
2218 entry
->limit
- entry
->base
+ 1));
2219 crs_range_insert(range_set
->mem_64bit_ranges
,
2220 entry
->base
, entry
->limit
);
2223 crs_range_set_free(&temp_range_set
);
2226 aml_word_bus_number(AML_MIN_FIXED
, AML_MAX_FIXED
, AML_POS_DECODE
,
2228 pci_bus_num(host
->bus
),
2231 max_bus
- pci_bus_num(host
->bus
) + 1));
2236 /* ACPI 5.0: 6.4.3.8.2 Serial Bus Connection Descriptors */
2237 static Aml
*aml_serial_bus_device(uint8_t serial_bus_type
, uint8_t flags
,
2238 uint16_t type_flags
,
2239 uint8_t revid
, uint16_t data_length
,
2240 uint16_t resource_source_len
)
2242 Aml
*var
= aml_alloc();
2243 uint16_t length
= data_length
+ resource_source_len
+ 9;
2245 build_append_byte(var
->buf
, 0x8e); /* Serial Bus Connection Descriptor */
2246 build_append_int_noprefix(var
->buf
, length
, sizeof(length
));
2247 build_append_byte(var
->buf
, 1); /* Revision ID */
2248 build_append_byte(var
->buf
, 0); /* Resource Source Index */
2249 build_append_byte(var
->buf
, serial_bus_type
); /* Serial Bus Type */
2250 build_append_byte(var
->buf
, flags
); /* General Flags */
2251 build_append_int_noprefix(var
->buf
, type_flags
, /* Type Specific Flags */
2252 sizeof(type_flags
));
2253 build_append_byte(var
->buf
, revid
); /* Type Specification Revision ID */
2254 build_append_int_noprefix(var
->buf
, data_length
, sizeof(data_length
));
2259 /* ACPI 5.0: 6.4.3.8.2.1 I2C Serial Bus Connection Resource Descriptor */
2260 Aml
*aml_i2c_serial_bus_device(uint16_t address
, const char *resource_source
)
2262 uint16_t resource_source_len
= strlen(resource_source
) + 1;
2263 Aml
*var
= aml_serial_bus_device(AML_SERIAL_BUS_TYPE_I2C
, 0, 0, 1,
2264 6, resource_source_len
);
2266 /* Connection Speed. Just set to 100K for now, it doesn't really matter. */
2267 build_append_int_noprefix(var
->buf
, 100000, 4);
2268 build_append_int_noprefix(var
->buf
, address
, sizeof(address
));
2270 /* This is a string, not a name, so just copy it directly in. */
2271 g_array_append_vals(var
->buf
, resource_source
, resource_source_len
);