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1/*
2 * Copyright 2008 mackerintel
3 * 2010 mojodojo, 2012 slice
4 */
5
6#include "libsaio.h"
7#include "boot.h"
8#include "bootstruct.h"
9#include "acpi.h"
10#include "efi_tables.h"
11#include "fake_efi.h"
12#include "acpi_patcher.h"
13#include "platform.h"
14#include "cpu.h"
15#include "aml_generator.h"
16
17#ifndef DEBUG_ACPI
18#define DEBUG_ACPI 0
19#endif
20
21#if DEBUG_ACPI==2
22#define DBG(x...) {printf(x); sleep(1);}
23#elif DEBUG_ACPI==1
24#define DBG(x...) printf(x)
25#else
26#define DBG(x...)
27#endif
28
29// Slice: New signature compare function
30boolean_t tableSign(char *table, const char *sgn)
31{
32int i;
33for (i=0; i<4; i++)
34{
35if ((table[i] &~0x20) != (sgn[i] &~0x20))
36{
37return false;
38}
39}
40return true;
41}
42
43/* Gets the ACPI 1.0 RSDP address */
44static struct acpi_2_rsdp* getAddressOfAcpiTable()
45{
46/* TODO: Before searching the BIOS space we are supposed to search the first 1K of the EBDA */
47
48void *acpi_addr = (void*)ACPI_RANGE_START;
49for(; acpi_addr <= (void*)ACPI_RANGE_END; acpi_addr += 16)
50{
51if(*(uint64_t *)acpi_addr == ACPI_SIGNATURE_UINT64_LE)
52{
53uint8_t csum = checksum8(acpi_addr, 20);
54if(csum == 0)
55{
56// Only return the table if it is a true version 1.0 table (Revision 0)
57if(((struct acpi_2_rsdp*)acpi_addr)->Revision == 0)
58return acpi_addr;
59}
60}
61}
62return NULL;
63}
64
65/* Gets the ACPI 2.0 RSDP address */
66static struct acpi_2_rsdp* getAddressOfAcpi20Table()
67{
68/* TODO: Before searching the BIOS space we are supposed to search the first 1K of the EBDA */
69
70void *acpi_addr = (void*)ACPI_RANGE_START;
71for(; acpi_addr <= (void*)ACPI_RANGE_END; acpi_addr += 16)
72{
73if(*(uint64_t *)acpi_addr == ACPI_SIGNATURE_UINT64_LE)
74{
75uint8_t csum = checksum8(acpi_addr, 20);
76
77/* Only assume this is a 2.0 or better table if the revision is greater than 0
78 * NOTE: ACPI 3.0 spec only seems to say that 1.0 tables have revision 1
79 * and that the current revision is 2.. I am going to assume that rev > 0 is 2.0.
80 */
81
82if(csum == 0 && (((struct acpi_2_rsdp*)acpi_addr)->Revision > 0))
83{
84uint8_t csum2 = checksum8(acpi_addr, sizeof(struct acpi_2_rsdp));
85if(csum2 == 0)
86{
87return acpi_addr;
88}
89}
90}
91}
92return NULL;
93}
94
95/* The folowing ACPI Table search algo. should be reused anywhere needed:*/
96int search_and_get_acpi_fd(const char * filename, const char ** outDirspec)
97{
98int fd = 0;
99char dirSpec[512];
100
101// Try finding 'filename' in the usual places
102// Start searching any potential location for ACPI Table
103sprintf(dirSpec, "%s", filename);
104fd = open(dirSpec, 0);
105if (fd < 0)
106{
107sprintf(dirSpec, "/Extra/%s", filename); // TODO: move default folder to /Extra/Acpi/
108fd = open(dirSpec, 0);
109if (fd < 0)
110{
111sprintf(dirSpec, "bt(0,0)/Extra/%s", filename); // TODO: move default folder to /Extra/Acpi/
112fd = open(dirSpec, 0);
113}
114}
115
116if (fd < 0)
117{
118// NOT FOUND:
119verbose("ACPI Table not found: %s\n", filename);
120*dirSpec = '\0';
121}
122
123if (outDirspec) *outDirspec = dirSpec;
124return fd;
125}
126
127void *loadACPITable (const char * filename)
128{
129void *tableAddr;
130const char * dirspec=NULL;
131
132int fd = search_and_get_acpi_fd(filename, &dirspec);
133
134if (fd>=0)
135{
136tableAddr=(void*)AllocateKernelMemory(file_size (fd));
137if (tableAddr)
138{
139if (read (fd, tableAddr, file_size (fd))!=file_size (fd))
140{
141printf("Couldn't read table %s\n",dirspec);
142free (tableAddr);
143close (fd);
144return NULL;
145}
146
147DBG("Table %s read and stored at: %x\n", dirspec, tableAddr);
148close (fd);
149return tableAddr;
150}
151close (fd);
152printf("Couldn't allocate memory for table \n", dirspec);
153}
154//printf("Couldn't find table %s\n", filename);
155return NULL;
156}
157
158uint8_tacpi_cpu_count = 0;
159char* acpi_cpu_name[32];
160uint32_t acpi_cpu_p_blk = 0;
161
162void get_acpi_cpu_names(unsigned char* dsdt, uint32_t length)
163{
164uint32_t i;
165
166DBG("start finding cpu names. length %d\n", length);
167
168for (i=0; i<length-7; i++)
169{
170if (dsdt[i] == 0x5B && dsdt[i+1] == 0x83) // ProcessorOP
171{
172DBG("dsdt: %x%x\n", dsdt[i], dsdt[i+1]);
173
174uint32_t offset = i + 3 + (dsdt[i+2] >> 6);
175
176bool add_name = true;
177
178uint8_t j;
179
180for (j=0; j<4; j++)
181{
182char c = dsdt[offset+j];
183
184if (!aml_isvalidchar(c))
185{
186add_name = false;
187verbose("Invalid character found in ProcessorOP 0x%x!\n", c);
188break;
189}
190}
191
192if (add_name)
193{
194acpi_cpu_name[acpi_cpu_count] = malloc(4);
195memcpy(acpi_cpu_name[acpi_cpu_count], dsdt+offset, 4);
196i = offset + 5;
197
198if (acpi_cpu_count == 0)
199acpi_cpu_p_blk = dsdt[i] | (dsdt[i+1] << 8);
200
201verbose("Found ACPI CPU: %c%c%c%c\n", acpi_cpu_name[acpi_cpu_count][0], acpi_cpu_name[acpi_cpu_count][1], acpi_cpu_name[acpi_cpu_count][2], acpi_cpu_name[acpi_cpu_count][3]);
202
203if (++acpi_cpu_count == 32)
204{
205return;
206}
207}
208}
209}
210
211DBG("end finding cpu names: cpu names found: %d\n", acpi_cpu_count);
212}
213
214struct acpi_2_ssdt *generate_cst_ssdt(struct acpi_2_fadt* fadt)
215{
216char ssdt_header[] =
217{
2180x53, 0x53, 0x44, 0x54, 0xE7, 0x00, 0x00, 0x00, /* SSDT.... */
2190x01, 0x17, 0x50, 0x6D, 0x52, 0x65, 0x66, 0x41, /* ..PmRefA */
2200x43, 0x70, 0x75, 0x43, 0x73, 0x74, 0x00, 0x00, /* CpuCst.. */
2210x00, 0x10, 0x00, 0x00, 0x49, 0x4E, 0x54, 0x4C, /* ....INTL */
2220x31, 0x03, 0x10, 0x20/* 1.._*/
223};
224
225char resource_template_register_fixedhw[] =
226{
2270x11, 0x14, 0x0A, 0x11, 0x82, 0x0C, 0x00, 0x7F,
2280x01, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2290x00, 0x00, 0x01, 0x79, 0x00
230};
231
232char resource_template_register_systemio[] =
233{
2340x11, 0x14, 0x0A, 0x11, 0x82, 0x0C, 0x00, 0x01,
2350x08, 0x00, 0x00, 0x15, 0x04, 0x00, 0x00, 0x00,
2360x00, 0x00, 0x00, 0x79, 0x00,
237};
238
239if (Platform.CPU.Vendor != 0x756E6547) {
240verbose ("Not an Intel platform: C-States will not be generated !!!\n");
241return NULL;
242}
243
244if (fadt == NULL) {
245verbose ("FACP not exists: C-States will not be generated !!!\n");
246return NULL;
247}
248
249struct acpi_2_dsdt* dsdt = (void*)fadt->DSDT;
250
251if (dsdt == NULL) {
252verbose ("DSDT not found: C-States will not be generated !!!\n");
253return NULL;
254}
255
256if (acpi_cpu_count == 0)
257get_acpi_cpu_names((void*)dsdt, dsdt->Length);
258
259if (acpi_cpu_count > 0)
260{
261bool c2_enabled = false;
262bool c3_enabled = false;
263bool c4_enabled = false;
264bool cst_using_systemio = false;
265
266getBoolForKey(kEnableC2State, &c2_enabled, &bootInfo->chameleonConfig);
267getBoolForKey(kEnableC3State, &c3_enabled, &bootInfo->chameleonConfig);
268getBoolForKey(kEnableC4State, &c4_enabled, &bootInfo->chameleonConfig);
269getBoolForKey(kCSTUsingSystemIO, &cst_using_systemio, &bootInfo->chameleonConfig);
270
271c2_enabled = c2_enabled | (fadt->C2_Latency < 100);
272c3_enabled = c3_enabled | (fadt->C3_Latency < 1000);
273
274unsigned char cstates_count = 1 + (c2_enabled ? 1 : 0) + (c3_enabled ? 1 : 0);
275
276AML_CHUNK* root = aml_create_node(NULL);
277aml_add_buffer(root, ssdt_header, sizeof(ssdt_header)); // SSDT header
278AML_CHUNK* scop = aml_add_scope(root, "\\_PR_");
279AML_CHUNK* name = aml_add_name(scop, "CST_");
280AML_CHUNK* pack = aml_add_package(name);
281aml_add_byte(pack, cstates_count);
282
283AML_CHUNK* tmpl = aml_add_package(pack);
284if (cst_using_systemio)
285{
286// C1
287resource_template_register_fixedhw[8] = 0x00;
288resource_template_register_fixedhw[9] = 0x00;
289resource_template_register_fixedhw[18] = 0x00;
290aml_add_buffer(tmpl, resource_template_register_fixedhw, sizeof(resource_template_register_fixedhw));
291aml_add_byte(tmpl, 0x01);// C1
292aml_add_word(tmpl, 0x0001);// Latency
293aml_add_dword(tmpl, 0x000003e8);// Power
294
295uint8_t p_blk_lo, p_blk_hi;
296
297if (c2_enabled) // C2
298{
299p_blk_lo = acpi_cpu_p_blk + 4;
300p_blk_hi = (acpi_cpu_p_blk + 4) >> 8;
301
302tmpl = aml_add_package(pack);
303resource_template_register_systemio[11] = p_blk_lo; // C2
304resource_template_register_systemio[12] = p_blk_hi; // C2
305aml_add_buffer(tmpl, resource_template_register_systemio, sizeof(resource_template_register_systemio));
306aml_add_byte(tmpl, 0x02);// C2
307aml_add_word(tmpl, 0x0040);// Latency
308aml_add_dword(tmpl, 0x000001f4);// Power
309}
310
311if (c4_enabled) // C4
312{
313p_blk_lo = acpi_cpu_p_blk + 5;
314p_blk_hi = (acpi_cpu_p_blk + 5) >> 8;
315
316tmpl = aml_add_package(pack);
317resource_template_register_systemio[11] = p_blk_lo; // C4
318resource_template_register_systemio[12] = p_blk_hi; // C4
319aml_add_buffer(tmpl, resource_template_register_systemio, sizeof(resource_template_register_systemio));
320aml_add_byte(tmpl, 0x04);// C4
321aml_add_word(tmpl, 0x0080);// Latency
322aml_add_dword(tmpl, 0x000000C8);// Power
323}
324else if (c3_enabled) // C3
325{
326p_blk_lo = acpi_cpu_p_blk + 5;
327p_blk_hi = (acpi_cpu_p_blk + 5) >> 8;
328
329tmpl = aml_add_package(pack);
330resource_template_register_systemio[11] = p_blk_lo; // C3
331resource_template_register_systemio[12] = p_blk_hi; // C3
332aml_add_buffer(tmpl, resource_template_register_systemio, sizeof(resource_template_register_systemio));
333aml_add_byte(tmpl, 0x03);// C3
334aml_add_word(tmpl, 0x0060);// Latency
335aml_add_dword(tmpl, 0x0000015e);// Power
336}
337}
338else
339{
340// C1
341resource_template_register_fixedhw[8] = 0x01;
342resource_template_register_fixedhw[9] = 0x02;
343resource_template_register_fixedhw[18] = 0x01;
344
345resource_template_register_fixedhw[11] = 0x00; // C1
346aml_add_buffer(tmpl, resource_template_register_fixedhw, sizeof(resource_template_register_fixedhw));
347aml_add_byte(tmpl, 0x01);// C1
348aml_add_word(tmpl, 0x0001);// Latency
349aml_add_dword(tmpl, 0x000003e8);// Power
350
351resource_template_register_fixedhw[18] = 0x03;
352
353if (c2_enabled) // C2
354{
355tmpl = aml_add_package(pack);
356resource_template_register_fixedhw[11] = 0x10; // C2
357aml_add_buffer(tmpl, resource_template_register_fixedhw, sizeof(resource_template_register_fixedhw));
358aml_add_byte(tmpl, 0x02);// C2
359aml_add_word(tmpl, 0x0040);// Latency
360aml_add_dword(tmpl, 0x000001f4);// Power
361}
362
363if (c4_enabled) // C4
364{
365tmpl = aml_add_package(pack);
366resource_template_register_fixedhw[11] = 0x30; // C4
367aml_add_buffer(tmpl, resource_template_register_fixedhw, sizeof(resource_template_register_fixedhw));
368aml_add_byte(tmpl, 0x04);// C4
369aml_add_word(tmpl, 0x0080);// Latency
370aml_add_dword(tmpl, 0x000000C8);// Power
371}
372else if (c3_enabled)
373{
374tmpl = aml_add_package(pack);
375resource_template_register_fixedhw[11] = 0x20; // C3
376aml_add_buffer(tmpl, resource_template_register_fixedhw, sizeof(resource_template_register_fixedhw));
377aml_add_byte(tmpl, 0x03);// C3
378aml_add_word(tmpl, 0x0060);// Latency
379aml_add_dword(tmpl, 0x0000015e);// Power
380}
381}
382
383// Aliaces
384int i;
385for (i = 0; i < acpi_cpu_count; i++)
386{
387char name[9];
388sprintf(name, "_PR_%c%c%c%c", acpi_cpu_name[i][0], acpi_cpu_name[i][1], acpi_cpu_name[i][2], acpi_cpu_name[i][3]);
389
390scop = aml_add_scope(root, name);
391aml_add_alias(scop, "CST_", "_CST");
392}
393
394aml_calculate_size(root);
395
396struct acpi_2_ssdt *ssdt = (struct acpi_2_ssdt *)AllocateKernelMemory(root->Size);
397
398aml_write_node(root, (void*)ssdt, 0);
399
400ssdt->Length = root->Size;
401ssdt->Checksum = 0;
402ssdt->Checksum = 256 - checksum8(ssdt, ssdt->Length);
403
404aml_destroy_node(root);
405
406// dumpPhysAddr("C-States SSDT content: ", ssdt, ssdt->Length);
407
408verbose ("SSDT with CPU C-States generated successfully\n");
409
410return ssdt;
411}
412else
413{
414verbose ("ACPI CPUs not found: C-States not generated !!!\n");
415}
416
417return NULL;
418}
419
420struct acpi_2_ssdt *generate_pss_ssdt(struct acpi_2_dsdt* dsdt)
421{
422char ssdt_header[] =
423{
4240x53, 0x53, 0x44, 0x54, 0x7E, 0x00, 0x00, 0x00, /* SSDT.... */
4250x01, 0x6A, 0x50, 0x6D, 0x52, 0x65, 0x66, 0x00, /* ..PmRef. */
4260x43, 0x70, 0x75, 0x50, 0x6D, 0x00, 0x00, 0x00, /* CpuPm... */
4270x00, 0x30, 0x00, 0x00, 0x49, 0x4E, 0x54, 0x4C, /* .0..INTL */
4280x31, 0x03, 0x10, 0x20,/* 1.._*/
429};
430
431if (Platform.CPU.Vendor != 0x756E6547)
432{
433verbose ("Not an Intel platform: P-States will not be generated !!!\n");
434return NULL;
435}
436
437if (!(Platform.CPU.Features & CPU_FEATURE_MSR))
438{
439verbose ("Unsupported CPU: P-States will not be generated !!! No MSR support\n");
440return NULL;
441}
442
443if (acpi_cpu_count == 0)
444get_acpi_cpu_names((void*)dsdt, dsdt->Length);
445
446if (acpi_cpu_count > 0)
447{
448struct p_state initial, maximum, minimum, p_states[32];
449uint8_t p_states_count = 0;
450
451// Retrieving P-States, ported from code by superhai (c)
452switch (Platform.CPU.Family) {
453case 0x06:
454{
455switch (Platform.CPU.Model)
456{
457case CPU_MODEL_DOTHAN:// Intel Pentium M
458case CPU_MODEL_YONAH:// Intel Mobile Core Solo, Duo
459case CPU_MODEL_MEROM:// Intel Mobile Core 2 Solo, Duo, Xeon 30xx, Xeon 51xx, Xeon X53xx, Xeon E53xx, Xeon X32xx
460case CPU_MODEL_PENRYN:// Intel Core 2 Solo, Duo, Quad, Extreme, Xeon X54xx, Xeon X33xx
461case CPU_MODEL_ATOM:// Intel Atom (45nm)
462{
463bool cpu_dynamic_fsb = false;
464
465if (rdmsr64(MSR_IA32_EXT_CONFIG) & (1 << 27))
466{
467wrmsr64(MSR_IA32_EXT_CONFIG, (rdmsr64(MSR_IA32_EXT_CONFIG) | (1 << 28)));
468delay(1);
469cpu_dynamic_fsb = rdmsr64(MSR_IA32_EXT_CONFIG) & (1 << 28);
470}
471
472bool cpu_noninteger_bus_ratio = (rdmsr64(MSR_IA32_PERF_STATUS) & (1ULL << 46));
473
474initial.Control = rdmsr64(MSR_IA32_PERF_STATUS);
475
476maximum.Control = ((rdmsr64(MSR_IA32_PERF_STATUS) >> 32) & 0x1F3F) | (0x4000 * cpu_noninteger_bus_ratio);
477maximum.CID = ((maximum.FID & 0x1F) << 1) | cpu_noninteger_bus_ratio;
478
479minimum.FID = ((rdmsr64(MSR_IA32_PERF_STATUS) >> 24) & 0x1F) | (0x80 * cpu_dynamic_fsb);
480minimum.VID = ((rdmsr64(MSR_IA32_PERF_STATUS) >> 48) & 0x3F);
481
482if (minimum.FID == 0)
483{
484uint64_t msr;
485uint8_t i;
486// Probe for lowest fid
487for (i = maximum.FID; i >= 0x6; i--)
488{
489msr = rdmsr64(MSR_IA32_PERF_CONTROL);
490wrmsr64(MSR_IA32_PERF_CONTROL, (msr & 0xFFFFFFFFFFFF0000ULL) | (i << 8) | minimum.VID);
491intel_waitforsts();
492minimum.FID = (rdmsr64(MSR_IA32_PERF_STATUS) >> 8) & 0x1F;
493delay(1);
494}
495
496msr = rdmsr64(MSR_IA32_PERF_CONTROL);
497wrmsr64(MSR_IA32_PERF_CONTROL, (msr & 0xFFFFFFFFFFFF0000ULL) | (maximum.FID << 8) | maximum.VID);
498intel_waitforsts();
499}
500
501if (minimum.VID == maximum.VID)
502{
503uint64_t msr;
504uint8_t i;
505// Probe for lowest vid
506for (i = maximum.VID; i > 0xA; i--)
507{
508msr = rdmsr64(MSR_IA32_PERF_CONTROL);
509wrmsr64(MSR_IA32_PERF_CONTROL, (msr & 0xFFFFFFFFFFFF0000ULL) | (minimum.FID << 8) | i);
510intel_waitforsts();
511minimum.VID = rdmsr64(MSR_IA32_PERF_STATUS) & 0x3F;
512delay(1);
513}
514
515msr = rdmsr64(MSR_IA32_PERF_CONTROL);
516wrmsr64(MSR_IA32_PERF_CONTROL, (msr & 0xFFFFFFFFFFFF0000ULL) | (maximum.FID << 8) | maximum.VID);
517intel_waitforsts();
518}
519
520minimum.CID = ((minimum.FID & 0x1F) << 1) >> cpu_dynamic_fsb;
521
522// Sanity check
523if (maximum.CID < minimum.CID)
524{
525DBG("P-States: Insane FID values!");
526p_states_count = 0;
527}
528else
529{
530// Finalize P-States
531// Find how many P-States machine supports
532p_states_count = maximum.CID - minimum.CID + 1;
533
534if (p_states_count > 32)
535p_states_count = 32;
536
537uint8_t vidstep;
538uint8_t i = 0, u, invalid = 0;
539
540vidstep = ((maximum.VID << 2) - (minimum.VID << 2)) / (p_states_count - 1);
541
542for (u = 0; u < p_states_count; u++)
543{
544i = u - invalid;
545
546p_states[i].CID = maximum.CID - u;
547p_states[i].FID = (p_states[i].CID >> 1);
548
549if (p_states[i].FID < 0x6)
550{
551if (cpu_dynamic_fsb)
552p_states[i].FID = (p_states[i].FID << 1) | 0x80;
553}
554else if (cpu_noninteger_bus_ratio)
555{
556p_states[i].FID = p_states[i].FID | (0x40 * (p_states[i].CID & 0x1));
557}
558
559if (i && p_states[i].FID == p_states[i-1].FID)
560invalid++;
561
562p_states[i].VID = ((maximum.VID << 2) - (vidstep * u)) >> 2;
563
564uint32_t multiplier = p_states[i].FID & 0x1f;// = 0x08
565bool half = p_states[i].FID & 0x40;// = 0x01
566bool dfsb = p_states[i].FID & 0x80;// = 0x00
567uint32_t fsb = Platform.CPU.FSBFrequency / 1000000; // = 400
568uint32_t halffsb = (fsb + 1) >> 1;// = 200
569uint32_t frequency = (multiplier * fsb);// = 3200
570
571p_states[i].Frequency = (frequency + (half * halffsb)) >> dfsb;// = 3200 + 200 = 3400
572}
573
574p_states_count -= invalid;
575}
576
577break;
578}
579case CPU_MODEL_FIELDS:// Intel Core i5, i7, Xeon X34xx LGA1156 (45nm)
580case CPU_MODEL_DALES:
581case CPU_MODEL_CLARKDALE:// Intel Core i3, i5 LGA1156 (32nm)
582case CPU_MODEL_NEHALEM:// Intel Core i7, Xeon W35xx, Xeon X55xx, Xeon E55xx LGA1366 (45nm)
583case CPU_MODEL_NEHALEM_EX:// Intel Xeon X75xx, Xeon X65xx, Xeon E75xx, Xeon E65xx
584case CPU_MODEL_WESTMERE:// Intel Core i7, Xeon X56xx, Xeon E56xx, Xeon W36xx LGA1366 (32nm) 6 Core
585case CPU_MODEL_WESTMERE_EX:// Intel Xeon E7
586case CPU_MODEL_SANDYBRIDGE:// Intel Core i3, i5, i7 LGA1155 (32nm)
587case CPU_MODEL_IVYBRIDGE:// Intel Core i3, i5, i7 LGA1155 (22nm)
588case CPU_MODEL_HASWELL://
589case CPU_MODEL_IVYBRIDGE_E5:
590case CPU_MODEL_JAKETOWN:// Intel Core i7, Xeon E5 LGA2011 (32nm)
591
592{
593if ((Platform.CPU.Model == CPU_MODEL_SANDYBRIDGE) || (Platform.CPU.Model == CPU_MODEL_IVYBRIDGE) || (Platform.CPU.Model == CPU_MODEL_HASWELL) || (Platform.CPU.Model == CPU_MODEL_IVYBRIDGE_E5) ||(Platform.CPU.Model == CPU_MODEL_JAKETOWN))
594{
595maximum.Control = (rdmsr64(MSR_IA32_PERF_STATUS) >> 8) & 0xff;
596}
597else
598{
599maximum.Control = rdmsr64(MSR_IA32_PERF_STATUS) & 0xff;
600}
601
602minimum.Control = (rdmsr64(MSR_PLATFORM_INFO) >> 40) & 0xff;
603
604verbose("P-States: min 0x%x, max 0x%x\n", minimum.Control, maximum.Control);
605
606// Sanity check
607if (maximum.Control < minimum.Control)
608{
609DBG("Insane control values!");
610p_states_count = 0;
611}
612else
613{
614uint8_t i;
615p_states_count = 0;
616
617for (i = maximum.Control; i >= minimum.Control; i--)
618{
619p_states[p_states_count].Control = i;
620p_states[p_states_count].CID = p_states[p_states_count].Control << 1;
621p_states[p_states_count].Frequency = (Platform.CPU.FSBFrequency / 1000000) * i;
622p_states_count++;
623}
624}
625
626break;
627}
628default:
629verbose ("Unsupported CPU: P-States not generated !!! Unknown CPU Type\n");
630break;
631}
632}
633}
634
635// Generating SSDT
636if (p_states_count > 0)
637{
638int i;
639
640AML_CHUNK* root = aml_create_node(NULL);
641aml_add_buffer(root, ssdt_header, sizeof(ssdt_header)); // SSDT header
642
643AML_CHUNK* scop = aml_add_scope(root, "\\_PR_");
644AML_CHUNK* name = aml_add_name(scop, "PSS_");
645AML_CHUNK* pack = aml_add_package(name);
646
647for (i = 0; i < p_states_count; i++)
648{
649AML_CHUNK* pstt = aml_add_package(pack);
650
651aml_add_dword(pstt, p_states[i].Frequency);
652aml_add_dword(pstt, 0x00000000); // Power
653aml_add_dword(pstt, 0x0000000A); // Latency
654aml_add_dword(pstt, 0x0000000A); // Latency
655aml_add_dword(pstt, p_states[i].Control);
656aml_add_dword(pstt, i+1); // Status
657}
658
659// Add aliaces
660for (i = 0; i < acpi_cpu_count; i++)
661{
662char name[9];
663sprintf(name, "_PR_%c%c%c%c", acpi_cpu_name[i][0], acpi_cpu_name[i][1], acpi_cpu_name[i][2], acpi_cpu_name[i][3]);
664
665scop = aml_add_scope(root, name);
666aml_add_alias(scop, "PSS_", "_PSS");
667}
668
669aml_calculate_size(root);
670
671struct acpi_2_ssdt *ssdt = (struct acpi_2_ssdt *)AllocateKernelMemory(root->Size);
672
673aml_write_node(root, (void*)ssdt, 0);
674
675ssdt->Length = root->Size;
676ssdt->Checksum = 0;
677ssdt->Checksum = 256 - checksum8(ssdt, ssdt->Length);
678
679aml_destroy_node(root);
680
681//dumpPhysAddr("P-States SSDT content: ", ssdt, ssdt->Length);
682
683verbose ("SSDT with CPU P-States generated successfully\n");
684
685return ssdt;
686}
687}
688else
689{
690verbose ("ACPI CPUs not found: P-States not generated !!!\n");
691}
692
693return NULL;
694}
695
696struct acpi_2_fadt *patch_fadt(struct acpi_2_fadt *fadt, struct acpi_2_dsdt *new_dsdt)
697{
698extern void setupSystemType();
699
700struct acpi_2_fadt *fadt_mod;
701bool fadt_rev2_needed = false;
702bool fix_restart;
703bool fix_restart_ps2;
704const char * value;
705
706// Restart Fix
707if (Platform.CPU.Vendor == 0x756E6547)
708{/* Intel */
709fix_restart = true;
710fix_restart_ps2 = false;
711if ( getBoolForKey(kPS2RestartFix, &fix_restart_ps2, &bootInfo->chameleonConfig) && fix_restart_ps2)
712{
713fix_restart = true;
714}
715else
716{
717getBoolForKey(kRestartFix, &fix_restart, &bootInfo->chameleonConfig);
718}
719}
720else
721{
722verbose ("Not an Intel platform: Restart Fix not applied !!!\n");
723fix_restart = false;
724}
725
726if (fix_restart)
727{
728fadt_rev2_needed = true;
729}
730
731// Allocate new fadt table
732if (fadt->Length < 0x84 && fadt_rev2_needed)
733{
734fadt_mod=(struct acpi_2_fadt *)AllocateKernelMemory(0x84);
735memcpy(fadt_mod, fadt, fadt->Length);
736fadt_mod->Length = 0x84;
737fadt_mod->Revision = 0x02; // FADT rev 2 (ACPI 1.0B MS extensions)
738}
739else
740{
741fadt_mod=(struct acpi_2_fadt *)AllocateKernelMemory(fadt->Length);
742memcpy(fadt_mod, fadt, fadt->Length);
743}
744// Determine system type / PM_Model
745if ( (value=getStringForKey(kSystemType, &bootInfo->chameleonConfig))!=NULL)
746{
747if (Platform.Type > 6)
748{
749if(fadt_mod->PM_Profile<=6)
750{
751Platform.Type = fadt_mod->PM_Profile; // get the fadt if correct
752}
753else
754{
755Platform.Type = 1;/* Set a fixed value (Desktop) */
756}
757verbose("Error: system-type must be 0..6. Defaulting to %d !\n", Platform.Type);
758}
759else
760{
761Platform.Type = (unsigned char) strtoul(value, NULL, 10);
762}
763}
764// Set PM_Profile from System-type if only user wanted this value to be forced
765if (fadt_mod->PM_Profile != Platform.Type)
766{
767if (value)
768{
769// user has overriden the SystemType so take care of it in FACP
770verbose("FADT: changing PM_Profile from 0x%02x to 0x%02x\n", fadt_mod->PM_Profile, Platform.Type);
771fadt_mod->PM_Profile = Platform.Type;
772}
773else
774{
775// PM_Profile has a different value and no override has been set, so reflect the user value to ioregs
776Platform.Type = fadt_mod->PM_Profile <= 6 ? fadt_mod->PM_Profile : 1;
777}
778}
779// We now have to write the systemm-type in ioregs: we cannot do it before in setupDeviceTree()
780// because we need to take care of facp original content, if it is correct.
781setupSystemType();
782
783// Patch FADT to fix restart
784if (fix_restart)
785{
786if (fix_restart_ps2)
787{
788fadt_mod->Flags|= 0x400;
789fadt_mod->Reset_SpaceID= 0x01; // System I/O
790fadt_mod->Reset_BitWidth= 0x08; // 1 byte
791fadt_mod->Reset_BitOffset= 0x00; // Offset 0
792fadt_mod->Reset_AccessWidth= 0x01; // Byte access
793fadt_mod->Reset_Address= 0x64; // Address of the register
794fadt_mod->Reset_Value= 0xfe; // Value to write to reset the system
795msglog("FADT: PS2 Restart Fix applied!\n");
796}
797else
798{
799fadt_mod->Flags|= 0x400;
800fadt_mod->Reset_SpaceID= 0x01; // System I/O
801fadt_mod->Reset_BitWidth= 0x08; // 1 byte
802fadt_mod->Reset_BitOffset= 0x00; // Offset 0
803fadt_mod->Reset_AccessWidth= 0x01; // Byte access
804fadt_mod->Reset_Address= 0x0cf9; // Address of the register
805fadt_mod->Reset_Value= 0x06; // Value to write to reset the system
806verbose("FADT: ACPI Restart Fix applied!\n");
807}
808
809}
810
811// Patch DSDT Address if we have loaded DSDT.aml
812if(new_dsdt)
813{
814DBG("DSDT: Old @%x,%x, ",fadt_mod->DSDT,fadt_mod->X_DSDT);
815
816fadt_mod->DSDT=(uint32_t)new_dsdt;
817if ((uint32_t)(&(fadt_mod->X_DSDT))-(uint32_t)fadt_mod+8<=fadt_mod->Length)
818{
819fadt_mod->X_DSDT=(uint32_t)new_dsdt;
820}
821
822DBG("New @%x,%x\n",fadt_mod->DSDT,fadt_mod->X_DSDT);
823
824verbose("FADT: Using custom DSDT!\n");
825}
826
827// Correct the checksum
828fadt_mod->Checksum=0;
829fadt_mod->Checksum=256-checksum8(fadt_mod,fadt_mod->Length);
830
831return fadt_mod;
832}
833
834/* Setup ACPI without replacing DSDT. */
835int setupAcpiNoMod()
836{
837//addConfigurationTable(&gEfiAcpiTableGuid, getAddressOfAcpiTable(), "ACPI");
838//addConfigurationTable(&gEfiAcpi20TableGuid, getAddressOfAcpi20Table(), "ACPI_20");
839/* XXX aserebln why uint32 cast if pointer is uint64 ? */
840acpi10_p = (uint32_t)getAddressOfAcpiTable();
841acpi20_p = (uint32_t)getAddressOfAcpi20Table();
842addConfigurationTable(&gEfiAcpiTableGuid, &acpi10_p, "ACPI");
843if(acpi20_p) addConfigurationTable(&gEfiAcpi20TableGuid, &acpi20_p, "ACPI_20");
844return 1;
845}
846
847/* Setup ACPI. Replace DSDT if DSDT.aml is found */
848int setupAcpi(void)
849{
850int version;
851void *new_dsdt;
852
853const char *filename;
854char dirSpec[128];
855int len = 0;
856
857// always reset cpu count to 0 when injecting new acpi
858acpi_cpu_count = 0;
859
860// Try using the file specified with the DSDT option
861if (getValueForKey(kDSDT, &filename, &len, &bootInfo->chameleonConfig))
862{
863sprintf(dirSpec, filename);
864}
865else
866{
867sprintf(dirSpec, "DSDT.aml");
868}
869
870// Load replacement DSDT
871new_dsdt = loadACPITable(dirSpec);
872// Mozodojo: going to patch FACP and load SSDT's even if DSDT.aml is not present
873/*if (!new_dsdt)
874 {
875 return setupAcpiNoMod();
876 }*/
877
878// Mozodojo: Load additional SSDTs
879struct acpi_2_ssdt *new_ssdt[32]; // 30 + 2 additional tables for pss & cst
880int ssdt_count=0;
881
882// SSDT Options
883bool drop_ssdt=false, generate_pstates=false, generate_cstates=false;
884
885//ACPI Tables
886bool drop_dmar = false, drop_hpet = false, drop_slic = false, drop_sbst = false, drop_ecdt = false, drop_asft = false;
887
888getBoolForKey(kDropSSDT, &drop_ssdt, &bootInfo->chameleonConfig);
889getBoolForKey(kDropDMAR, &drop_dmar, &bootInfo->chameleonConfig);
890getBoolForKey(kDropHPET, &drop_hpet, &bootInfo->chameleonConfig);
891getBoolForKey(kDropSLIC, &drop_slic, &bootInfo->chameleonConfig);
892getBoolForKey(kDropSBST, &drop_sbst, &bootInfo->chameleonConfig);
893getBoolForKey(kDropECDT, &drop_ecdt, &bootInfo->chameleonConfig);
894getBoolForKey(kDropASFT, &drop_asft, &bootInfo->chameleonConfig);
895getBoolForKey(kGeneratePStates, &generate_pstates, &bootInfo->chameleonConfig);
896getBoolForKey(kGenerateCStates, &generate_cstates, &bootInfo->chameleonConfig);
897
898DBG("generating p-states config: %d\n", generate_pstates);
899DBG("generating c-states config: %d\n", generate_cstates);
900
901{
902int i;
903
904for (i=0; i<30; i++)
905{
906char filename[512];
907
908sprintf(filename, i>0?"SSDT-%d.aml":"SSDT.aml", i);
909
910if ( (new_ssdt[ssdt_count] = loadACPITable(filename)) )
911{
912ssdt_count++;
913}
914else
915{
916break;
917}
918}
919}
920
921// Do the same procedure for both versions of ACPI
922for (version=0; version<2; version++)
923{
924struct acpi_2_rsdp *rsdp, *rsdp_mod;
925struct acpi_2_rsdt *rsdt, *rsdt_mod;
926int rsdplength;
927
928// Find original rsdp
929rsdp=(struct acpi_2_rsdp *)(version?getAddressOfAcpi20Table():getAddressOfAcpiTable());
930if (!rsdp)
931{
932DBG("No ACPI version %d found. Ignoring\n", version+1);
933if (version)
934{
935addConfigurationTable(&gEfiAcpi20TableGuid, NULL, "ACPI_20");
936}
937else
938{
939addConfigurationTable(&gEfiAcpiTableGuid, NULL, "ACPI");
940}
941continue;
942}
943rsdplength=version?rsdp->Length:20;
944
945DBG("RSDP version %d found @%x. Length=%d\n",version+1,rsdp,rsdplength);
946
947/* FIXME: no check that memory allocation succeeded
948 * Copy and patch RSDP,RSDT, XSDT and FADT
949 * For more info see ACPI Specification pages 110 and following
950 */
951
952rsdp_mod=(struct acpi_2_rsdp *) AllocateKernelMemory(rsdplength);
953memcpy(rsdp_mod, rsdp, rsdplength);
954
955rsdt=(struct acpi_2_rsdt *)(rsdp->RsdtAddress);
956
957DBG("RSDT @%x, Length %d\n",rsdt, rsdt->Length);
958
959if (rsdt && (uint32_t)rsdt !=0xffffffff && rsdt->Length<0x10000)
960{
961uint32_t *rsdt_entries;
962int rsdt_entries_num;
963int dropoffset=0, i;
964
965// mozo: using malloc cos I didn't found how to free already allocated kernel memory
966rsdt_mod=(struct acpi_2_rsdt *)malloc(rsdt->Length);
967memcpy (rsdt_mod, rsdt, rsdt->Length);
968rsdp_mod->RsdtAddress=(uint32_t)rsdt_mod;
969rsdt_entries_num=(rsdt_mod->Length-sizeof(struct acpi_2_rsdt))/4;
970rsdt_entries=(uint32_t *)(rsdt_mod+1);
971for (i=0;i<rsdt_entries_num;i++)
972{
973char *table=(char *)(rsdt_entries[i]);
974if (!table)
975{
976continue;
977}
978
979DBG("TABLE %c%c%c%c,",table[0],table[1],table[2],table[3]);
980
981rsdt_entries[i-dropoffset]=rsdt_entries[i];
982
983if (drop_ssdt && tableSign(table, "SSDT"))
984{
985dropoffset++;
986continue;
987}
988if (drop_hpet && tableSign(table, "HPET"))
989{
990dropoffset++;
991continue;
992}
993if (drop_slic && tableSign(table, "SLIC"))
994{
995dropoffset++;
996continue;
997}
998if (drop_sbst && tableSign(table, "SBST"))
999{
1000dropoffset++;
1001continue;
1002}
1003if (drop_ecdt && tableSign(table, "ECDT"))
1004{
1005dropoffset++;
1006continue;
1007}
1008if (drop_asft && tableSign(table, "ASF!"))
1009{
1010dropoffset++;
1011continue;
1012}
1013if (drop_dmar && tableSign(table, "DMAR"))
1014{
1015dropoffset++;
1016continue;
1017}
1018if (tableSign(table, "DSDT"))
1019{
1020DBG("DSDT found\n");
1021
1022if(new_dsdt)
1023{
1024rsdt_entries[i-dropoffset]=(uint32_t)new_dsdt;
1025}
1026
1027continue;
1028}
1029if (tableSign(table, "FACP"))
1030{
1031struct acpi_2_fadt *fadt, *fadt_mod;
1032fadt=(struct acpi_2_fadt *)rsdt_entries[i];
1033
1034DBG("FADT found @%x, Length %d\n",fadt, fadt->Length);
1035
1036if (!fadt || (uint32_t)fadt == 0xffffffff || fadt->Length>0x10000)
1037{
1038printf("FADT incorrect. Not modified\n");
1039continue;
1040}
1041
1042fadt_mod = patch_fadt(fadt, new_dsdt);
1043rsdt_entries[i-dropoffset]=(uint32_t)fadt_mod;
1044
1045// Generate _CST SSDT
1046if (generate_cstates && (new_ssdt[ssdt_count] = generate_cst_ssdt(fadt_mod)))
1047{
1048DBG("C-States generated\n");
1049generate_cstates = false; // Generate SSDT only once!
1050ssdt_count++;
1051}
1052
1053// Generating _PSS SSDT
1054if (generate_pstates && (new_ssdt[ssdt_count] = generate_pss_ssdt((void*)fadt_mod->DSDT)))
1055{
1056DBG("P-States generated\n");
1057generate_pstates = false; // Generate SSDT only once!
1058ssdt_count++;
1059}
1060
1061continue;
1062}
1063}
1064DBG("\n");
1065
1066// Allocate rsdt in Kernel memory area
1067rsdt_mod->Length += 4*ssdt_count - 4*dropoffset;
1068struct acpi_2_rsdt *rsdt_copy = (struct acpi_2_rsdt *)AllocateKernelMemory(rsdt_mod->Length);
1069memcpy (rsdt_copy, rsdt_mod, rsdt_mod->Length);
1070free(rsdt_mod); rsdt_mod = rsdt_copy;
1071rsdp_mod->RsdtAddress=(uint32_t)rsdt_mod;
1072rsdt_entries_num=(rsdt_mod->Length-sizeof(struct acpi_2_rsdt))/4;
1073rsdt_entries=(uint32_t *)(rsdt_mod+1);
1074
1075// Mozodojo: Insert additional SSDTs into RSDT
1076if(ssdt_count>0)
1077{
1078int j;
1079
1080for (j=0; j<ssdt_count; j++)
1081rsdt_entries[i-dropoffset+j]=(uint32_t)new_ssdt[j];
1082
1083verbose("RSDT: Added %d SSDT table(s)\n", ssdt_count);
1084
1085}
1086
1087// Correct the checksum of RSDT
1088DBG("RSDT: Original checksum %d, ", rsdt_mod->Checksum);
1089
1090rsdt_mod->Checksum=0;
1091rsdt_mod->Checksum=256-checksum8(rsdt_mod,rsdt_mod->Length);
1092
1093DBG("New checksum %d at %x\n", rsdt_mod->Checksum,rsdt_mod);
1094}
1095else
1096{
1097rsdp_mod->RsdtAddress=0;
1098printf("RSDT not found or incorrect\n");
1099}
1100
1101if (version)
1102{
1103struct acpi_2_xsdt *xsdt, *xsdt_mod;
1104
1105// FIXME: handle 64-bit address correctly
1106
1107xsdt=(struct acpi_2_xsdt*) ((uint32_t)rsdp->XsdtAddress);
1108DBG("XSDT @%x;%x, Length=%d\n", (uint32_t)(rsdp->XsdtAddress>>32),(uint32_t)rsdp->XsdtAddress, xsdt->Length);
1109
1110if (xsdt && (uint64_t)rsdp->XsdtAddress<0xffffffff && xsdt->Length<0x10000)
1111{
1112uint64_t *xsdt_entries;
1113int xsdt_entries_num, i;
1114int dropoffset=0;
1115
1116// mozo: using malloc cos I didn't found how to free already allocated kernel memory
1117xsdt_mod=(struct acpi_2_xsdt*)malloc(xsdt->Length);
1118memcpy(xsdt_mod, xsdt, xsdt->Length);
1119
1120rsdp_mod->XsdtAddress=(uint32_t)xsdt_mod;
1121xsdt_entries_num=(xsdt_mod->Length-sizeof(struct acpi_2_xsdt))/8;
1122xsdt_entries=(uint64_t *)(xsdt_mod+1);
1123for (i=0;i<xsdt_entries_num;i++)
1124{
1125char *table=(char *)((uint32_t)(xsdt_entries[i]));
1126if (!table)
1127{
1128continue;
1129}
1130xsdt_entries[i-dropoffset]=xsdt_entries[i];
1131
1132if (drop_ssdt && tableSign(table, "SSDT"))
1133{
1134dropoffset++;
1135continue;
1136}
1137if (drop_hpet && tableSign(table, "HPET"))
1138{
1139dropoffset++;
1140continue;
1141}
1142if (drop_slic && tableSign(table, "SLIC"))
1143{
1144dropoffset++;
1145continue;
1146}
1147if (drop_sbst && tableSign(table, "SBST"))
1148{
1149dropoffset++;
1150continue;
1151}
1152if (drop_ecdt && tableSign(table, "ECDT"))
1153{
1154dropoffset++;
1155continue;
1156}
1157if (drop_asft && tableSign(table, "ASF!"))
1158{
1159dropoffset++;
1160continue;
1161}
1162if (drop_dmar && tableSign(table, "DMAR"))
1163{
1164dropoffset++;
1165continue;
1166}
1167if (tableSign(table, "DSDT"))
1168{
1169DBG("DSDT found\n");
1170
1171if (new_dsdt)
1172{
1173xsdt_entries[i-dropoffset]=(uint32_t)new_dsdt;
1174}
1175
1176DBG("TABLE %c%c%c%c@%x,",table[0],table[1],table[2],table[3],xsdt_entries[i]);
1177
1178continue;
1179}
1180if (tableSign(table, "FACP"))
1181{
1182struct acpi_2_fadt *fadt, *fadt_mod;
1183fadt=(struct acpi_2_fadt *)(uint32_t)xsdt_entries[i];
1184
1185DBG("FADT found @%x,%x, Length %d\n",(uint32_t)(xsdt_entries[i]>>32),fadt,
1186fadt->Length);
1187
1188if (!fadt || (uint64_t)xsdt_entries[i] >= 0xffffffff || fadt->Length>0x10000)
1189{
1190verbose("FADT incorrect or after 4GB. Dropping XSDT\n");
1191goto drop_xsdt;
1192}
1193
1194fadt_mod = patch_fadt(fadt, new_dsdt);
1195xsdt_entries[i-dropoffset]=(uint32_t)fadt_mod;
1196
1197DBG("TABLE %c%c%c%c@%x,",table[0],table[1],table[2],table[3],xsdt_entries[i]);
1198
1199// Generate _CST SSDT
1200if (generate_cstates && (new_ssdt[ssdt_count] = generate_cst_ssdt(fadt_mod)))
1201{
1202generate_cstates = false; // Generate SSDT only once!
1203ssdt_count++;
1204}
1205
1206// Generating _PSS SSDT
1207if (generate_pstates && (new_ssdt[ssdt_count] = generate_pss_ssdt((void*)fadt_mod->DSDT)))
1208{
1209generate_pstates = false; // Generate SSDT only once!
1210ssdt_count++;
1211}
1212
1213continue;
1214}
1215
1216DBG("TABLE %c%c%c%c@%x,",table[0],table[1],table[2],table[3],xsdt_entries[i]);
1217
1218}
1219
1220// Allocate xsdt in Kernel memory area
1221xsdt_mod->Length += 8*ssdt_count - 8*dropoffset;
1222struct acpi_2_xsdt *xsdt_copy = (struct acpi_2_xsdt *)AllocateKernelMemory(xsdt_mod->Length);
1223memcpy(xsdt_copy, xsdt_mod, xsdt_mod->Length);
1224free(xsdt_mod); xsdt_mod = xsdt_copy;
1225rsdp_mod->XsdtAddress=(uint32_t)xsdt_mod;
1226xsdt_entries_num=(xsdt_mod->Length-sizeof(struct acpi_2_xsdt))/8;
1227xsdt_entries=(uint64_t *)(xsdt_mod+1);
1228
1229// Mozodojo: Insert additional SSDTs into XSDT
1230if(ssdt_count>0)
1231{
1232int j;
1233
1234for (j=0; j<ssdt_count; j++)
1235xsdt_entries[i-dropoffset+j]=(uint32_t)new_ssdt[j];
1236
1237verbose("Added %d SSDT table(s) into XSDT\n", ssdt_count);
1238
1239}
1240
1241// Correct the checksum of XSDT
1242xsdt_mod->Checksum=0;
1243xsdt_mod->Checksum=256-checksum8(xsdt_mod,xsdt_mod->Length);
1244}
1245else
1246{
1247drop_xsdt:
1248
1249DBG("About to drop XSDT\n");
1250
1251/*FIXME: Now we just hope that if MacOS doesn't find XSDT it reverts to RSDT.
1252 * A Better strategy would be to generate
1253 */
1254
1255rsdp_mod->XsdtAddress=0xffffffffffffffffLL;
1256verbose("XSDT not found or incorrect\n");
1257}
1258}
1259
1260// Correct the checksum of RSDP
1261
1262DBG("RSDP: Original checksum %d, ", rsdp_mod->Checksum);
1263
1264rsdp_mod->Checksum=0;
1265rsdp_mod->Checksum=256-checksum8(rsdp_mod,20);
1266
1267DBG("New checksum %d\n", rsdp_mod->Checksum);
1268
1269if (version)
1270{
1271DBG("RSDP: Original extended checksum %d", rsdp_mod->ExtendedChecksum);
1272
1273rsdp_mod->ExtendedChecksum=0;
1274rsdp_mod->ExtendedChecksum=256-checksum8(rsdp_mod,rsdp_mod->Length);
1275
1276DBG("New extended checksum %d\n", rsdp_mod->ExtendedChecksum);
1277
1278}
1279
1280//verbose("Patched ACPI version %d DSDT\n", version+1);
1281if (version)
1282{
1283/* XXX aserebln why uint32 cast if pointer is uint64 ? */
1284acpi20_p = (uint32_t)rsdp_mod;
1285addConfigurationTable(&gEfiAcpi20TableGuid, &acpi20_p, "ACPI_20");
1286}
1287else
1288{
1289/* XXX aserebln why uint32 cast if pointer is uint64 ? */
1290acpi10_p = (uint32_t)rsdp_mod;
1291addConfigurationTable(&gEfiAcpiTableGuid, &acpi10_p, "ACPI");
1292}
1293}
1294#if DEBUG_ACPI
1295printf("Press a key to continue... (DEBUG_ACPI)\n");
1296getchar();
1297#endif
1298return 1;
1299}
1300

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