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Source at commit 669 created 13 years 4 months ago.
By meklort, Added missing lines for acpi patcher
1/*␊
2 * Copyright 2008 mackerintel␊
3 */␊
4␊
5#include "libsaio.h"␊
6#include "boot.h"␊
7#include "bootstruct.h"␊
8#include "acpi.h"␊
9#include "efi_tables.h"␊
10#include "fake_efi.h"␊
11#include "acpi_patcher.h"␊
12#include "platform.h"␊
13#include "cpu.h"␊
14#include "aml_generator.h"␊
15␊
16uint64_t acpi10_p;␊
17uint64_t acpi20_p;␊
18␊
19#ifndef DEBUG_ACPI␊
20#define DEBUG_ACPI 0␊
21#endif␊
22␊
23#if DEBUG_ACPI==2␊
24#define DBG(x...) {printf(x); sleep(1);}␊
25#elif DEBUG_ACPI==1␊
26#define DBG(x...) printf(x)␊
27#else␊
28#define DBG(x...)␊
29#endif␊
30␊
31␊
32extern char* gSMBIOSBoardModel;␊
33␊
34␊
35// Slice: New signature compare function␊
36boolean_t tableSign(char *table, const char *sgn)␊
37{␊
38␉int i;␊
39␉for (i=0; i<4; i++) {␊
40␉␉if ((table[i] &~0x20) != (sgn[i] &~0x20)) {␊
41␉␉␉return false;␊
42␉␉}␊
43␉}␊
44␉return true;␊
45}␊
46␊
47/* Gets the ACPI 1.0 RSDP address */␊
48static struct acpi_2_rsdp* getAddressOfAcpiTable()␊
49{␊
50 /* TODO: Before searching the BIOS space we are supposed to search the first 1K of the EBDA */␊
51␉␊
52 void *acpi_addr = (void*)ACPI_RANGE_START;␊
53 for(; acpi_addr <= (void*)ACPI_RANGE_END; acpi_addr += 16)␊
54 {␊
55 if(*(uint64_t *)acpi_addr == ACPI_SIGNATURE_UINT64_LE)␊
56 {␊
57 uint8_t csum = checksum8(acpi_addr, 20);␊
58 if(csum == 0)␊
59 {␊
60 // Only return the table if it is a true version 1.0 table (Revision 0)␊
61 if(((struct acpi_2_rsdp*)acpi_addr)->Revision == 0)␊
62 return acpi_addr;␊
63 }␊
64 }␊
65 }␊
66 return NULL;␊
67}␊
68␊
69/* Gets the ACPI 2.0 RSDP address */␊
70static struct acpi_2_rsdp* getAddressOfAcpi20Table()␊
71{␊
72 /* TODO: Before searching the BIOS space we are supposed to search the first 1K of the EBDA */␊
73␉␊
74 void *acpi_addr = (void*)ACPI_RANGE_START;␊
75 for(; acpi_addr <= (void*)ACPI_RANGE_END; acpi_addr += 16)␊
76 {␊
77 if(*(uint64_t *)acpi_addr == ACPI_SIGNATURE_UINT64_LE)␊
78 {␊
79 uint8_t csum = checksum8(acpi_addr, 20);␊
80␉␉␉␊
81 /* Only assume this is a 2.0 or better table if the revision is greater than 0␊
82 * NOTE: ACPI 3.0 spec only seems to say that 1.0 tables have revision 1␊
83 * and that the current revision is 2.. I am going to assume that rev > 0 is 2.0.␊
84 */␊
85␉␉␉␊
86 if(csum == 0 && (((struct acpi_2_rsdp*)acpi_addr)->Revision > 0))␊
87 {␊
88 uint8_t csum2 = checksum8(acpi_addr, sizeof(struct acpi_2_rsdp));␊
89 if(csum2 == 0)␊
90 return acpi_addr;␊
91 }␊
92 }␊
93 }␊
94 return NULL;␊
95}␊
96/** The folowing ACPI Table search algo. should be reused anywhere needed:*/␊
97int search_and_get_acpi_fd(const char * filename, const char ** outDirspec)␊
98{␊
99␉int fd = -1;␊
100␉char dirSpec[512] = "";␊
101␉␊
102␉// Try finding 'filename' in the usual places␊
103␉// Start searching any potential location for ACPI Table␊
104␉␊
105␉if(gSMBIOSBoardModel)␊
106␉{␊
107␉␉sprintf(dirSpec,"%s.%s", gSMBIOSBoardModel, filename);␊
108␉␉fd = open(dirSpec, 0);␊
109␉}␊
110␉if (fd < 0)␊
111␉{␊
112␉␉sprintf(dirSpec, "%s", filename); ␊
113␉␉fd = open(dirSpec, 0);␊
114␉␉if (fd < 0)␊
115␉␉{␊
116␉␉␉if(gSMBIOSBoardModel)␊
117␉␉␉{␊
118␉␉␉␉sprintf(dirSpec, "/Extra/%s.%s", gSMBIOSBoardModel, filename);␊
119␉␉␉␉fd = open(dirSpec, 0);␊
120␉␉␉}␊
121␉␉␉if (fd < 0)␊
122␉␉␉{␊
123␉␉␉␉sprintf(dirSpec, "/Extra/%s", filename); ␊
124␉␉␉␉fd = open(dirSpec, 0);␊
125␉␉␉␉if (fd < 0)␊
126␉␉␉␉{␊
127␉␉␉␉␉if(gSMBIOSBoardModel)␊
128␉␉␉␉␉{␊
129␉␉␉␉␉␉sprintf(dirSpec, "bt(0,0)/Extra/%s.%s", gSMBIOSBoardModel, filename);␊
130␉␉␉␉␉␉fd = open(dirSpec, 0);␊
131␉␉␉␉␉}␊
132␉␉␉␉␉if (fd < 0)␊
133␉␉␉␉␉{␊
134␉␉␉␉␉␉sprintf(dirSpec, "bt(0,0)/Extra/%s", filename);␊
135␉␉␉␉␉␉fd = open(dirSpec, 0);␊
136␉␉␉␉␉}␊
137␉␉␉␉}␊
138␉␉␉}␊
139␉␉}␊
140␉}␊
141␉␊
142␉if (fd < 0)␊
143␉{␊
144␉␉// NOT FOUND:␊
145␉␉verbose("ACPI table not found: %s\n", filename);␊
146␉␉*dirSpec = '\0';␊
147␉}␊
148␉␊
149␉if (outDirspec) *outDirspec = dirSpec; ␊
150␉return fd;␊
151}␊
152␊
153␊
154void *loadACPITable (const char * filename)␊
155{␊
156␉void *tableAddr;␊
157␉const char * dirspec=NULL;␊
158␉␊
159␉int fd = search_and_get_acpi_fd(filename, &dirspec);␊
160␉␊
161␉if (fd>=0)␊
162␉{␊
163␉␉tableAddr=(void*)AllocateKernelMemory(file_size (fd));␊
164␉␉if (tableAddr)␊
165␉␉{␊
166␉␉␉if (read (fd, tableAddr, file_size (fd))!=file_size (fd))␊
167␉␉␉{␊
168␉␉␉␉printf("Couldn't read table %s\n",dirspec);␊
169␉␉␉␉free (tableAddr);␊
170␉␉␉␉close (fd);␊
171␉␉␉␉return NULL;␊
172␉␉␉}␊
173␉␉␉␊
174␉␉␉DBG("Table %s read and stored at: %x\n", dirspec, tableAddr);␊
175␉␉␉close (fd);␊
176␉␉␉return tableAddr;␊
177␉␉}␊
178␉␉close (fd);␊
179␉␉printf("Couldn't allocate memory for table \n", dirspec);␊
180␉} ␊
181␉//printf("Couldn't find table %s\n", filename);␊
182␉return NULL;␊
183}␊
184␊
185uint8_t␉acpi_cpu_count = 0;␊
186char* acpi_cpu_name[32];␊
187␊
188void get_acpi_cpu_names(unsigned char* dsdt, uint32_t length)␊
189{␊
190␉uint32_t i;␊
191␉␊
192␉for (i=0; i<length-7; i++) ␊
193␉{␊
194␉␉if (dsdt[i] == 0x5B && dsdt[i+1] == 0x83) // ProcessorOP␊
195␉␉{␊
196␉␉␉uint32_t offset = i + 3 + (dsdt[i+2] >> 6);␊
197␉␉␉␊
198␉␉␉bool add_name = true;␊
199␉␉␉␊
200␉␉␉uint8_t j;␊
201␉␉␉␊
202␉␉␉for (j=0; j<4; j++) ␊
203␉␉␉{␊
204␉␉␉␉char c = dsdt[offset+j];␊
205␉␉␉␉␊
206␉␉␉␉if (!aml_isvalidchar(c)) ␊
207␉␉␉␉{␊
208␉␉␉␉␉add_name = false;␊
209␉␉␉␉␉verbose("Invalid character found in ProcessorOP 0x%x!\n", c);␊
210␉␉␉␉␉break;␊
211␉␉␉␉}␊
212␉␉␉}␊
213␉␉␉␊
214␉␉␉if (add_name) ␊
215␉␉␉{␊
216␉␉␉␉acpi_cpu_name[acpi_cpu_count] = malloc(4);␊
217␉␉␉␉memcpy(acpi_cpu_name[acpi_cpu_count], dsdt+offset, 4);␊
218␉␉␉␉i = offset + 5;␊
219␉␉␉␉␊
220␉␉␉␉verbose("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]);␊
221␉␉␉␉␊
222␉␉␉␉if (++acpi_cpu_count == 32) return;␊
223␉␉␉}␊
224␉␉}␊
225␉}␊
226}␊
227␊
228struct acpi_2_ssdt *generate_cst_ssdt(struct acpi_2_fadt* fadt)␊
229{␊
230␉char ssdt_header[] =␊
231␉{␊
232␉␉0x53, 0x53, 0x44, 0x54, 0xE7, 0x00, 0x00, 0x00, /* SSDT.... */␊
233␉␉0x01, 0x17, 0x50, 0x6D, 0x52, 0x65, 0x66, 0x41, /* ..PmRefA */␊
234␉␉0x43, 0x70, 0x75, 0x43, 0x73, 0x74, 0x00, 0x00, /* CpuCst.. */␊
235␉␉0x00, 0x10, 0x00, 0x00, 0x49, 0x4E, 0x54, 0x4C, /* ....INTL */␊
236␉␉0x31, 0x03, 0x10, 0x20 ␉␉␉␉␉␉␉/* 1.._␉␉*/␊
237␉};␊
238␉␊
239␉char cstate_resource_template[] = ␊
240␉{␊
241␉␉0x11, 0x14, 0x0A, 0x11, 0x82, 0x0C, 0x00, 0x7F, ␊
242␉␉0x01, 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, ␊
243␉␉0x00, 0x00, 0x00, 0x79, 0x00␊
244␉};␊
245␉␊
246␉if (Platform->CPU.Vendor != 0x756E6547) {␊
247␉␉verbose ("Not an Intel platform: C-States will not be generated !!!\n");␊
248␉␉return NULL;␊
249␉}␊
250␉␊
251␉if (fadt == NULL) {␊
252␉␉verbose ("FACP not exists: C-States will not be generated !!!\n");␊
253␉␉return NULL;␊
254␉}␊
255␉␊
256␉struct acpi_2_dsdt* dsdt = (void*)fadt->DSDT;␊
257␉␊
258␉if (dsdt == NULL) {␊
259␉␉verbose ("DSDT not found: C-States will not be generated !!!\n");␊
260␉␉return NULL;␊
261␉}␊
262␉␊
263␉if (acpi_cpu_count == 0) ␊
264␉␉get_acpi_cpu_names((void*)dsdt, dsdt->Length);␊
265␉␊
266␉if (acpi_cpu_count > 0) ␊
267␉{␊
268␉␉bool c2_enabled = false;␊
269␉␉bool c3_enabled = false;␊
270␉␉bool c4_enabled = false;␊
271␉␉␊
272␉␉getBoolForKey(kEnableC2States, &c2_enabled, &bootInfo->bootConfig);␊
273␉␉getBoolForKey(kEnableC3States, &c3_enabled, &bootInfo->bootConfig);␊
274␉␉getBoolForKey(kEnableC4States, &c4_enabled, &bootInfo->bootConfig);␊
275␉␉␊
276␉␉c2_enabled = c2_enabled | (fadt->C2_Latency < 100);␊
277␉␉c3_enabled = c3_enabled | (fadt->C3_Latency < 1000);␊
278␉␉␊
279␉␉unsigned char cstates_count = 1 + (c2_enabled ? 1 : 0) + (c3_enabled ? 1 : 0);␊
280␉␉␊
281␉␉struct aml_chunk* root = aml_create_node(NULL);␊
282␉␉aml_add_buffer(root, ssdt_header, sizeof(ssdt_header)); // SSDT header␊
283␉␉struct aml_chunk* scop = aml_add_scope(root, "\\_PR_");␊
284␉␉struct aml_chunk* name = aml_add_name(scop, "CST_");␊
285␉␉struct aml_chunk* pack = aml_add_package(name);␊
286␉␉aml_add_byte(pack, cstates_count);␊
287␉␉␊
288␉␉struct aml_chunk* tmpl = aml_add_package(pack);␊
289␉␉cstate_resource_template[11] = 0x00; // C1␊
290␉␉aml_add_buffer(tmpl, cstate_resource_template, sizeof(cstate_resource_template));␊
291␉␉aml_add_byte(tmpl, 0x01); // C1␊
292␉␉aml_add_byte(tmpl, 0x01); // Latency␊
293␉␉aml_add_word(tmpl, 0x03e8); // Power␊
294␉␉␊
295␉␉// C2␊
296␉␉if (c2_enabled) ␊
297␉␉{␊
298␉␉␉tmpl = aml_add_package(pack);␊
299␉␉␉cstate_resource_template[11] = 0x10; // C2␊
300␉␉␉aml_add_buffer(tmpl, cstate_resource_template, sizeof(cstate_resource_template));␊
301␉␉␉aml_add_byte(tmpl, 0x02); // C2␊
302␉␉␉aml_add_byte(tmpl, fadt->C2_Latency);␊
303␉␉␉aml_add_word(tmpl, 0x01f4); // Power␊
304␉␉}␊
305␉␉// C4␊
306␉␉if (c4_enabled) ␊
307␉␉{␊
308␉␉␉tmpl = aml_add_package(pack);␊
309␉␉␉cstate_resource_template[11] = 0x30; // C4␊
310␉␉␉aml_add_buffer(tmpl, cstate_resource_template, sizeof(cstate_resource_template));␊
311␉␉␉aml_add_byte(tmpl, 0x04); // C4␊
312␉␉␉aml_add_word(tmpl, fadt->C3_Latency / 2); // TODO: right latency for C4␊
313␉␉␉aml_add_byte(tmpl, 0xfa); // Power␊
314␉␉}␊
315␉␉else␊
316␉␉␉// C3␊
317␉␉␉if (c3_enabled) ␊
318␉␉␉{␊
319␉␉␉␉tmpl = aml_add_package(pack);␊
320␉␉␉␉cstate_resource_template[11] = 0x20; // C3␊
321␉␉␉␉aml_add_buffer(tmpl, cstate_resource_template, sizeof(cstate_resource_template));␊
322␉␉␉␉aml_add_byte(tmpl, 0x03); // C3␊
323␉␉␉␉aml_add_word(tmpl, fadt->C3_Latency);␊
324␉␉␉␉aml_add_word(tmpl, 0x015e); // Power␊
325␉␉␉}␊
326␉␉␊
327␉␉␊
328␉␉// Aliaces␊
329␉␉int i;␊
330␉␉for (i = 0; i < acpi_cpu_count; i++) ␊
331␉␉{␊
332␉␉␉char name[9];␊
333␉␉␉sprintf(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]);␊
334␉␉␉␊
335␉␉␉scop = aml_add_scope(root, name);␊
336␉␉␉aml_add_alias(scop, "CST_", "_CST");␊
337␉␉}␊
338␉␉␊
339␉␉aml_calculate_size(root);␊
340␉␉␊
341␉␉struct acpi_2_ssdt *ssdt = (struct acpi_2_ssdt *)AllocateKernelMemory(root->Size);␊
342␉␉␊
343␉␉aml_write_node(root, (void*)ssdt, 0);␊
344␉␉␊
345␉␉ssdt->Length = root->Size;␊
346␉␉ssdt->Checksum = 0;␊
347␉␉ssdt->Checksum = 256 - checksum8(ssdt, ssdt->Length);␊
348␉␉␊
349␉␉aml_destroy_node(root);␊
350␉␉␊
351␉␉//dumpPhysAddr("C-States SSDT content: ", ssdt, ssdt->Length);␊
352␉␉␊
353␉␉verbose ("SSDT with CPU C-States generated successfully\n");␊
354␉␉␊
355␉␉return ssdt;␊
356␉}␊
357␉else ␊
358␉{␊
359␉␉verbose ("ACPI CPUs not found: C-States not generated !!!\n");␊
360␉}␊
361␉␊
362␉return NULL;␊
363}␊
364␊
365struct acpi_2_ssdt *generate_pss_ssdt(struct acpi_2_dsdt* dsdt)␊
366{␉␊
367␉char ssdt_header[] =␊
368␉{␊
369␉␉0x53, 0x53, 0x44, 0x54, 0x7E, 0x00, 0x00, 0x00, /* SSDT.... */␊
370␉␉0x01, 0x6A, 0x50, 0x6D, 0x52, 0x65, 0x66, 0x00, /* ..PmRef. */␊
371␉␉0x43, 0x70, 0x75, 0x50, 0x6D, 0x00, 0x00, 0x00, /* CpuPm... */␊
372␉␉0x00, 0x30, 0x00, 0x00, 0x49, 0x4E, 0x54, 0x4C, /* .0..INTL */␊
373␉␉0x31, 0x03, 0x10, 0x20,␉␉␉␉␉␉␉/* 1.._␉␉*/␊
374␉};␊
375␉␊
376␉if (Platform->CPU.Vendor != 0x756E6547) {␊
377␉␉verbose ("Not an Intel platform: P-States will not be generated !!!\n");␊
378␉␉return NULL;␊
379␉}␊
380␉␊
381␉if (!(Platform->CPU.Features & CPU_FEATURE_MSR)) {␊
382␉␉verbose ("Unsupported CPU: P-States will not be generated !!!\n");␊
383␉␉return NULL;␊
384␉}␊
385␉␊
386␉if (acpi_cpu_count == 0) ␊
387␉␉get_acpi_cpu_names((void*)dsdt, dsdt->Length);␊
388␉␊
389␉if (acpi_cpu_count > 0) ␊
390␉{␊
391␉␉struct p_state initial, maximum, minimum, p_states[32];␊
392␉␉uint8_t p_states_count = 0;␉␉␊
393␉␉␊
394␉␉// Retrieving P-States, ported from code by superhai (c)␊
395␉␉switch (Platform->CPU.Family) {␊
396␉␉␉case 0x06: ␊
397␉␉␉{␊
398␉␉␉␉switch (Platform->CPU.Model) ␊
399␉␉␉␉{␊
400␉␉␉␉␉case 0x0D: // ?␊
401␉␉␉␉␉case CPU_MODEL_YONAH: // Yonah␊
402␉␉␉␉␉case CPU_MODEL_MEROM: // Merom␊
403␉␉␉␉␉case CPU_MODEL_PENRYN: // Penryn␊
404␉␉␉␉␉case CPU_MODEL_ATOM: // Intel Atom (45nm)␊
405␉␉␉␉␉{␊
406␉␉␉␉␉␉bool cpu_dynamic_fsb = false;␊
407␉␉␉␉␉␉␊
408␉␉␉␉␉␉if (rdmsr64(MSR_IA32_EXT_CONFIG) & (1 << 27)) ␊
409␉␉␉␉␉␉{␊
410␉␉␉␉␉␉␉wrmsr64(MSR_IA32_EXT_CONFIG, (rdmsr64(MSR_IA32_EXT_CONFIG) | (1 << 28))); ␊
411␉␉␉␉␉␉␉delay(1);␊
412␉␉␉␉␉␉␉cpu_dynamic_fsb = rdmsr64(MSR_IA32_EXT_CONFIG) & (1 << 28);␊
413␉␉␉␉␉␉}␊
414␉␉␉␉␉␉␊
415␉␉␉␉␉␉bool cpu_noninteger_bus_ratio = (rdmsr64(MSR_IA32_PERF_STATUS) & (1ULL << 46));␊
416␉␉␉␉␉␉␊
417␉␉␉␉␉␉initial.Control = rdmsr64(MSR_IA32_PERF_STATUS);␊
418␉␉␉␉␉␉␊
419␉␉␉␉␉␉maximum.Control = ((rdmsr64(MSR_IA32_PERF_STATUS) >> 32) & 0x1F3F) | (0x4000 * cpu_noninteger_bus_ratio);␊
420␉␉␉␉␉␉maximum.CID = ((maximum.FID & 0x1F) << 1) | cpu_noninteger_bus_ratio;␊
421␉␉␉␉␉␉␊
422␉␉␉␉␉␉minimum.FID = ((rdmsr64(MSR_IA32_PERF_STATUS) >> 24) & 0x1F) | (0x80 * cpu_dynamic_fsb);␊
423␉␉␉␉␉␉minimum.VID = ((rdmsr64(MSR_IA32_PERF_STATUS) >> 48) & 0x3F);␊
424␉␉␉␉␉␉␊
425␉␉␉␉␉␉if (minimum.FID == 0) ␊
426␉␉␉␉␉␉{␊
427␉␉␉␉␉␉␉uint64_t msr;␊
428␉␉␉␉␉␉␉uint8_t i;␊
429␉␉␉␉␉␉␉// Probe for lowest fid␊
430␉␉␉␉␉␉␉for (i = maximum.FID; i >= 0x6; i--) ␊
431␉␉␉␉␉␉␉{␊
432␉␉␉␉␉␉␉␉msr = rdmsr64(MSR_IA32_PERF_CONTROL);␊
433␉␉␉␉␉␉␉␉wrmsr64(MSR_IA32_PERF_CONTROL, (msr & 0xFFFFFFFFFFFF0000ULL) | (i << 8) | minimum.VID);␊
434␉␉␉␉␉␉␉␉intel_waitforsts();␊
435␉␉␉␉␉␉␉␉minimum.FID = (rdmsr64(MSR_IA32_PERF_STATUS) >> 8) & 0x1F; ␊
436␉␉␉␉␉␉␉␉delay(1);␊
437␉␉␉␉␉␉␉}␊
438␉␉␉␉␉␉␉␊
439␉␉␉␉␉␉␉msr = rdmsr64(MSR_IA32_PERF_CONTROL);␊
440␉␉␉␉␉␉␉wrmsr64(MSR_IA32_PERF_CONTROL, (msr & 0xFFFFFFFFFFFF0000ULL) | (maximum.FID << 8) | maximum.VID);␊
441␉␉␉␉␉␉␉intel_waitforsts();␊
442␉␉␉␉␉␉}␊
443␉␉␉␉␉␉␊
444␉␉␉␉␉␉if (minimum.VID == maximum.VID) ␊
445␉␉␉␉␉␉{␉␊
446␉␉␉␉␉␉␉uint64_t msr;␊
447␉␉␉␉␉␉␉uint8_t i;␊
448␉␉␉␉␉␉␉// Probe for lowest vid␊
449␉␉␉␉␉␉␉for (i = maximum.VID; i > 0xA; i--) ␊
450␉␉␉␉␉␉␉{␊
451␉␉␉␉␉␉␉␉msr = rdmsr64(MSR_IA32_PERF_CONTROL);␊
452␉␉␉␉␉␉␉␉wrmsr64(MSR_IA32_PERF_CONTROL, (msr & 0xFFFFFFFFFFFF0000ULL) | (minimum.FID << 8) | i);␊
453␉␉␉␉␉␉␉␉intel_waitforsts();␊
454␉␉␉␉␉␉␉␉minimum.VID = rdmsr64(MSR_IA32_PERF_STATUS) & 0x3F; ␊
455␉␉␉␉␉␉␉␉delay(1);␊
456␉␉␉␉␉␉␉}␊
457␉␉␉␉␉␉␉␊
458␉␉␉␉␉␉␉msr = rdmsr64(MSR_IA32_PERF_CONTROL);␊
459␉␉␉␉␉␉␉wrmsr64(MSR_IA32_PERF_CONTROL, (msr & 0xFFFFFFFFFFFF0000ULL) | (maximum.FID << 8) | maximum.VID);␊
460␉␉␉␉␉␉␉intel_waitforsts();␊
461␉␉␉␉␉␉}␊
462␉␉␉␉␉␉␊
463␉␉␉␉␉␉minimum.CID = ((minimum.FID & 0x1F) << 1) >> cpu_dynamic_fsb;␊
464␉␉␉␉␉␉␊
465␉␉␉␉␉␉// Sanity check␊
466␉␉␉␉␉␉if (maximum.CID < minimum.CID) ␊
467␉␉␉␉␉␉{␊
468␉␉␉␉␉␉␉DBG("Insane FID values!");␊
469␉␉␉␉␉␉␉p_states_count = 0;␊
470␉␉␉␉␉␉}␊
471␉␉␉␉␉␉else␊
472␉␉␉␉␉␉{␊
473␉␉␉␉␉␉␉// Finalize P-States␊
474␉␉␉␉␉␉␉// Find how many P-States machine supports␊
475␉␉␉␉␉␉␉p_states_count = maximum.CID - minimum.CID + 1;␊
476␉␉␉␉␉␉␉␊
477␉␉␉␉␉␉␉if (p_states_count > 32) ␊
478␉␉␉␉␉␉␉␉p_states_count = 32;␊
479␉␉␉␉␉␉␉␊
480␉␉␉␉␉␉␉uint8_t vidstep;␊
481␉␉␉␉␉␉␉uint8_t i = 0, u, invalid = 0;␊
482␉␉␉␉␉␉␉␊
483␉␉␉␉␉␉␉vidstep = ((maximum.VID << 2) - (minimum.VID << 2)) / (p_states_count - 1);␊
484␉␉␉␉␉␉␉␊
485␉␉␉␉␉␉␉for (u = 0; u < p_states_count; u++) ␊
486␉␉␉␉␉␉␉{␊
487␉␉␉␉␉␉␉␉i = u - invalid;␊
488␉␉␉␉␉␉␉␉␊
489␉␉␉␉␉␉␉␉p_states[i].CID = maximum.CID - u;␊
490␉␉␉␉␉␉␉␉p_states[i].FID = (p_states[i].CID >> 1);␊
491␉␉␉␉␉␉␉␉␊
492␉␉␉␉␉␉␉␉if (p_states[i].FID < 0x6) ␊
493␉␉␉␉␉␉␉␉{␊
494␉␉␉␉␉␉␉␉␉if (cpu_dynamic_fsb) ␊
495␉␉␉␉␉␉␉␉␉␉p_states[i].FID = (p_states[i].FID << 1) | 0x80;␊
496␉␉␉␉␉␉␉␉} ␊
497␉␉␉␉␉␉␉␉else if (cpu_noninteger_bus_ratio) ␊
498␉␉␉␉␉␉␉␉{␊
499␉␉␉␉␉␉␉␉␉p_states[i].FID = p_states[i].FID | (0x40 * (p_states[i].CID & 0x1));␊
500␉␉␉␉␉␉␉␉}␊
501␉␉␉␉␉␉␉␉␊
502␉␉␉␉␉␉␉␉if (i && p_states[i].FID == p_states[i-1].FID)␊
503␉␉␉␉␉␉␉␉␉invalid++;␊
504␉␉␉␉␉␉␉␉␊
505␉␉␉␉␉␉␉␉p_states[i].VID = ((maximum.VID << 2) - (vidstep * u)) >> 2;␊
506␉␉␉␉␉␉␉␉␊
507␉␉␉␉␉␉␉␉uint32_t multiplier = p_states[i].FID & 0x1f;␉␉// = 0x08␊
508␉␉␉␉␉␉␉␉bool half = p_states[i].FID & 0x40;␉␉␉␉␉// = 0x01␊
509␉␉␉␉␉␉␉␉bool dfsb = p_states[i].FID & 0x80;␉␉␉␉␉// = 0x00␊
510␉␉␉␉␉␉␉␉uint32_t fsb = Platform->CPU.FSBFrequency / 1000000; // = 400␊
511␉␉␉␉␉␉␉␉uint32_t halffsb = (fsb + 1) >> 1;␉␉␉␉␉// = 200␊
512␉␉␉␉␉␉␉␉uint32_t frequency = (multiplier * fsb);␉␉␉// = 3200␊
513␉␉␉␉␉␉␉␉␊
514␉␉␉␉␉␉␉␉p_states[i].Frequency = (frequency + (half * halffsb)) >> dfsb;␉// = 3200 + 200 = 3400␊
515␉␉␉␉␉␉␉}␊
516␉␉␉␉␉␉␉␊
517␉␉␉␉␉␉␉p_states_count -= invalid;␊
518␉␉␉␉␉␉}␊
519␉␉␉␉␉␉␊
520␉␉␉␉␉␉break;␊
521␉␉␉␉␉} ␊
522␉␉␉␉␉case CPU_MODEL_FIELDS:␊
523␉␉␉␉␉case CPU_MODEL_DALES:␊
524␉␉␉␉␉case CPU_MODEL_DALES_32NM:␊
525␉␉␉␉␉case CPU_MODEL_NEHALEM: ␊
526␉␉␉␉␉case CPU_MODEL_NEHALEM_EX:␊
527␉␉␉␉␉case CPU_MODEL_WESTMERE:␊
528␉␉␉␉␉case CPU_MODEL_WESTMERE_EX:␊
529␉␉␉␉␉{␊
530␉␉␉␉␉␉maximum.Control = rdmsr64(MSR_IA32_PERF_STATUS) & 0xff; // Seems it always contains maximum multiplier value (with turbo, that's we need)...␊
531␉␉␉␉␉␉minimum.Control = (rdmsr64(MSR_PLATFORM_INFO) >> 40) & 0xff;␊
532␉␉␉␉␉␉␊
533␉␉␉␉␉␉verbose("P-States: min 0x%x, max 0x%x\n", minimum.Control, maximum.Control);␉␉␉␊
534␉␉␉␉␉␉␊
535␉␉␉␉␉␉// Sanity check␊
536␉␉␉␉␉␉if (maximum.Control < minimum.Control) ␊
537␉␉␉␉␉␉{␊
538␉␉␉␉␉␉␉DBG("Insane control values!");␊
539␉␉␉␉␉␉␉p_states_count = 0;␊
540␉␉␉␉␉␉}␊
541␉␉␉␉␉␉else␊
542␉␉␉␉␉␉{␊
543␉␉␉␉␉␉␉uint8_t i;␊
544␉␉␉␉␉␉␉p_states_count = 0;␊
545␉␉␉␉␉␉␉␊
546␉␉␉␉␉␉␉for (i = maximum.Control; i >= minimum.Control; i--) ␊
547␉␉␉␉␉␉␉{␊
548␉␉␉␉␉␉␉␉p_states[p_states_count].Control = i;␊
549␉␉␉␉␉␉␉␉p_states[p_states_count].CID = p_states[p_states_count].Control << 1;␊
550␉␉␉␉␉␉␉␉p_states[p_states_count].Frequency = (Platform->CPU.FSBFrequency / 1000000) * i;␊
551␉␉␉␉␉␉␉␉p_states_count++;␊
552␉␉␉␉␉␉␉}␊
553␉␉␉␉␉␉}␊
554␉␉␉␉␉␉␊
555␉␉␉␉␉␉break;␊
556␉␉␉␉␉}␉␊
557␉␉␉␉␉default:␊
558␉␉␉␉␉␉verbose ("Unsupported CPU: P-States not generated !!!\n");␊
559␉␉␉␉␉␉break;␊
560␉␉␉␉}␊
561␉␉␉}␊
562␉␉}␊
563␉␉␊
564␉␉// Generating SSDT␊
565␉␉if (p_states_count > 0) ␊
566␉␉{␉␊
567␉␉␉int i;␊
568␉␉␉␊
569␉␉␉struct aml_chunk* root = aml_create_node(NULL);␊
570␉␉␉aml_add_buffer(root, ssdt_header, sizeof(ssdt_header)); // SSDT header␊
571␉␉␉struct aml_chunk* scop = aml_add_scope(root, "\\_PR_");␊
572␉␉␉struct aml_chunk* name = aml_add_name(scop, "PSS_");␊
573␉␉␉struct aml_chunk* pack = aml_add_package(name);␊
574␉␉␉␊
575␉␉␉for (i = 0; i < p_states_count; i++) ␊
576␉␉␉{␊
577␉␉␉␉struct aml_chunk* pstt = aml_add_package(pack);␊
578␉␉␉␉␊
579␉␉␉␉aml_add_dword(pstt, p_states[i].Frequency);␊
580␉␉␉␉aml_add_dword(pstt, 0x00000000); // Power␊
581␉␉␉␉aml_add_dword(pstt, 0x0000000A); // Latency␊
582␉␉␉␉aml_add_dword(pstt, 0x0000000A); // Latency␊
583␉␉␉␉aml_add_dword(pstt, p_states[i].Control);␊
584␉␉␉␉aml_add_dword(pstt, i+1); // Status␊
585␉␉␉}␊
586␉␉␉␊
587␉␉␉// Add aliaces␊
588␉␉␉for (i = 0; i < acpi_cpu_count; i++) ␊
589␉␉␉{␊
590␉␉␉␉char name[9];␊
591␉␉␉␉sprintf(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]);␊
592␉␉␉␉␊
593␉␉␉␉scop = aml_add_scope(root, name);␊
594␉␉␉␉aml_add_alias(scop, "PSS_", "_PSS");␊
595␉␉␉}␊
596␉␉␉␊
597␉␉␉aml_calculate_size(root);␊
598␉␉␉␊
599␉␉␉struct acpi_2_ssdt *ssdt = (struct acpi_2_ssdt *)AllocateKernelMemory(root->Size);␊
600␉␉␉␊
601␉␉␉aml_write_node(root, (void*)ssdt, 0);␊
602␉␉␉␊
603␉␉␉ssdt->Length = root->Size;␊
604␉␉␉ssdt->Checksum = 0;␊
605␉␉␉ssdt->Checksum = 256 - checksum8(ssdt, ssdt->Length);␊
606␉␉␉␊
607␉␉␉aml_destroy_node(root);␊
608␉␉␉␊
609␉␉␉//dumpPhysAddr("P-States SSDT content: ", ssdt, ssdt->Length);␊
610␉␉␉␊
611␉␉␉verbose ("SSDT with CPU P-States generated successfully\n");␊
612␉␉␉␊
613␉␉␉return ssdt;␊
614␉␉}␊
615␉}␊
616␉else ␊
617␉{␊
618␉␉verbose ("ACPI CPUs not found: P-States not generated !!!\n");␊
619␉}␊
620␉␊
621␉return NULL;␊
622}␊
623␊
624struct acpi_2_fadt *patch_fadt(struct acpi_2_fadt *fadt, struct acpi_2_dsdt *new_dsdt)␊
625{␊
626␉extern void setupSystemType(); ␊
627␉␊
628␉struct acpi_2_fadt *fadt_mod;␊
629␉bool fadt_rev2_needed = false;␊
630␉bool fix_restart;␊
631␉const char * value;␊
632␉␊
633␉// Restart Fix␊
634␉if (Platform->CPU.Vendor == 0x756E6547) {␉/* Intel */␊
635␉␉fix_restart = true;␊
636␉␉getBoolForKey(kRestartFix, &fix_restart, &bootInfo->bootConfig);␊
637␉} else {␊
638␉␉verbose ("Not an Intel platform: Restart Fix not applied !!!\n");␊
639␉␉fix_restart = false;␊
640␉}␊
641␉␊
642␉if (fix_restart) fadt_rev2_needed = true;␊
643␉␊
644␉// Allocate new fadt table␊
645␉if (fadt->Length < 0x84 && fadt_rev2_needed)␊
646␉{␊
647␉␉fadt_mod=(struct acpi_2_fadt *)AllocateKernelMemory(0x84);␊
648␉␉memcpy(fadt_mod, fadt, fadt->Length);␊
649␉␉fadt_mod->Length = 0x84;␊
650␉␉fadt_mod->Revision = 0x02; // FADT rev 2 (ACPI 1.0B MS extensions)␊
651␉}␊
652␉else␊
653␉{␊
654␉␉fadt_mod=(struct acpi_2_fadt *)AllocateKernelMemory(fadt->Length);␊
655␉␉memcpy(fadt_mod, fadt, fadt->Length);␊
656␉}␊
657␉// Determine system type / PM_Model␊
658␉if ( (value=getStringForKey(kSystemType, &bootInfo->bootConfig))!=NULL)␊
659␉{␊
660␉␉if (Platform->Type > 6) ␊
661␉␉{␊
662␉␉␉if(fadt_mod->PM_Profile<=6)␊
663␉␉␉␉Platform->Type = fadt_mod->PM_Profile; // get the fadt if correct␊
664␉␉␉else ␊
665␉␉␉␉Platform->Type = 1;␉␉/* Set a fixed value (Desktop) */␊
666␉␉␉verbose("Error: system-type must be 0..6. Defaulting to %d !\n", Platform->Type);␊
667␉␉}␊
668␉␉else␊
669␉␉␉Platform->Type = (unsigned char) strtoul(value, NULL, 10);␊
670␉}␊
671␉// Set PM_Profile from System-type if only user wanted this value to be forced␊
672␉if (fadt_mod->PM_Profile != Platform->Type) ␊
673␉{␊
674␉ if (value) ␊
675␉␉{ // user has overriden the SystemType so take care of it in FACP␊
676␉␉␉verbose("FADT: changing PM_Profile from 0x%02x to 0x%02x\n", fadt_mod->PM_Profile, Platform->Type);␊
677␉␉␉fadt_mod->PM_Profile = Platform->Type;␊
678␉ }␊
679␉ else␊
680␉ { // PM_Profile has a different value and no override has been set, so reflect the user value to ioregs␊
681␉␉␉Platform->Type = fadt_mod->PM_Profile <= 6 ? fadt_mod->PM_Profile : 1;␊
682␉ } ␊
683␉}␊
684␉// We now have to write the systemm-type in ioregs: we cannot do it before in setupDeviceTree()␊
685␉// because we need to take care of facp original content, if it is correct.␊
686␉setupSystemType();␊
687␉␊
688␉// Patch FADT to fix restart␊
689␉if (fix_restart)␊
690␉{␊
691␉␉fadt_mod->Flags|= 0x400;␊
692␉␉fadt_mod->Reset_SpaceID␉␉= 0x01; // System I/O␊
693␉␉fadt_mod->Reset_BitWidth␉= 0x08; // 1 byte␊
694␉␉fadt_mod->Reset_BitOffset␉= 0x00; // Offset 0␊
695␉␉fadt_mod->Reset_AccessWidth␉= 0x01; // Byte access␊
696␉␉fadt_mod->Reset_Address␉␉= 0x0cf9; // Address of the register␊
697␉␉fadt_mod->Reset_Value␉␉= 0x06; // Value to write to reset the system␊
698␉␉verbose("FADT: Restart Fix applied!\n");␊
699␉}␊
700␉␊
701␉// Patch DSDT Address if we have loaded DSDT.aml␊
702␉if(new_dsdt)␊
703␉{␊
704␉␉DBG("DSDT: Old @%x,%x, ",fadt_mod->DSDT,fadt_mod->X_DSDT);␊
705␉␉␊
706␉␉// Insert old dsdt into the IORegistery␊
707␉␉Node* node = DT__FindNode("/dsdt", false);␊
708␉␉if(node == NULL)␊
709␉␉{␊
710␉␉␉// Only add if not already here␊
711␉␉␉Node* node = DT__FindNode("/", false);␊
712␊
713␉␉␉if(node != NULL)␊
714␉␉␉{␊
715␉␉␉␉node = DT__AddChild(node, "dsdt");␊
716␉␉␉␉␊
717␉␉␉␉struct acpi_2_dsdt *dsdt;␊
718␉␉␉␉dsdt = (struct acpi_2_dsdt*) (fadt_mod->DSDT);␊
719␉␉␉␉DT__AddProperty(node, "originaldsdt", (dsdt->Length + sizeof(struct acpi_2_dsdt) - 1), (void*)dsdt);␉/// Insert old dsdt. Length is header length (36) + dsdt length␊
720␉␉␉␉␊
721␉␉␉}␊
722␉␉}␉␉␉␊
723␉␉␊
724␉␉fadt_mod->DSDT=(uint32_t)new_dsdt;␊
725␉␉if ((uint32_t)(&(fadt_mod->X_DSDT))-(uint32_t)fadt_mod+8<=fadt_mod->Length)␊
726␉␉␉fadt_mod->X_DSDT=(uint32_t)new_dsdt;␊
727␉␉␊
728␉␉DBG("New @%x,%x\n",fadt_mod->DSDT,fadt_mod->X_DSDT);␊
729␉␉␊
730␉␉verbose("FADT: Using custom DSDT!\n");␊
731␉}␊
732␉␊
733␉// Correct the checksum␊
734␉fadt_mod->Checksum=0;␊
735␉fadt_mod->Checksum=256-checksum8(fadt_mod,fadt_mod->Length);␊
736␉␊
737␉return fadt_mod;␊
738}␊
739␊
740/* Setup ACPI without replacing DSDT. */␊
741int setupAcpiNoMod()␊
742{␊
743␉//␉addConfigurationTable(&gEfiAcpiTableGuid, getAddressOfAcpiTable(), "ACPI");␊
744␉//␉addConfigurationTable(&gEfiAcpi20TableGuid, getAddressOfAcpi20Table(), "ACPI_20");␊
745␉/* XXX aserebln why uint32 cast if pointer is uint64 ? */␊
746␉acpi10_p = (uint32_t)getAddressOfAcpiTable();␊
747␉acpi20_p = (uint32_t)getAddressOfAcpi20Table();␊
748␉addConfigurationTable(&gEfiAcpiTableGuid, &acpi10_p, "ACPI");␊
749␉if(acpi20_p) addConfigurationTable(&gEfiAcpi20TableGuid, &acpi20_p, "ACPI_20");␊
750␉return 1;␊
751}␊
752␊
753/* Setup ACPI. Replace DSDT if DSDT.aml is found */␊
754int setupAcpi(void)␊
755{␊
756␉int version;␊
757␉void *new_dsdt;␊
758␉␊
759␉const char *filename;␊
760␉char dirSpec[128];␊
761␉int len = 0;␊
762␉␊
763␉// Try using the file specified with the DSDT option␊
764␉if (getValueForKey(kDSDT, &filename, &len, &bootInfo->bootConfig))␊
765␉{␊
766␉␉sprintf(dirSpec, filename);␊
767␉}␊
768␉else␊
769␉{␊
770␉␉sprintf(dirSpec, "DSDT.aml");␊
771␉}␊
772␉␊
773␉// Load replacement DSDT␊
774␉new_dsdt = loadACPITable(dirSpec);␊
775␉if(!new_dsdt)␊
776␉{␊
777␉␉sprintf(dirSpec, "DSDT.%s.aml", gSMBIOSBoardModel);␊
778␉␉new_dsdt = loadACPITable(dirSpec);␊
779␉}␊
780␉␊
781␉// Mozodojo: going to patch FACP and load SSDT's even if DSDT.aml is not present␊
782␉/*if (!new_dsdt)␊
783␉ {␊
784␉ return setupAcpiNoMod();␊
785␉ }*/␊
786␉␊
787␉// Mozodojo: Load additional SSDTs␊
788␉struct acpi_2_ssdt *new_ssdt[32]; // 30 + 2 additional tables for pss & cst␊
789␉int ssdt_count=0;␊
790␉␊
791␉// SSDT Options␊
792␉bool drop_ssdt=false, generate_pstates=false, generate_cstates=false; ␊
793␉␊
794␉getBoolForKey(kDropSSDT, &drop_ssdt, &bootInfo->bootConfig);␊
795␉getBoolForKey(kGeneratePStates, &generate_pstates, &bootInfo->bootConfig);␊
796␉getBoolForKey(kGenerateCStates, &generate_cstates, &bootInfo->bootConfig);␊
797␉␊
798␉{␊
799␉␉int i;␊
800␉␉␊
801␉␉for (i=0; i<30; i++)␊
802␉␉{␊
803␉␉␉char filename[512];␊
804␉␉␉␊
805␉␉␉sprintf(filename, i>0?"SSDT-%d.aml":"SSDT.aml", i);␊
806␉␉␉␊
807␉␉␉if(new_ssdt[ssdt_count] = loadACPITable(filename)) ␊
808␉␉␉{␉␉␉␉␊
809␉␉␉␉ssdt_count++;␊
810␉␉␉}␊
811␉␉␉else ␊
812␉␉␉{␊
813␉␉␉␉break;␊
814␉␉␉}␊
815␉␉}␊
816␉}␊
817␉␊
818␉// Do the same procedure for both versions of ACPI␊
819␉for (version=0; version<2; version++) {␊
820␉␉struct acpi_2_rsdp *rsdp, *rsdp_mod;␊
821␉␉struct acpi_2_rsdt *rsdt, *rsdt_mod;␊
822␉␉int rsdplength;␊
823␉␉␊
824␉␉// Find original rsdp␊
825␉␉rsdp=(struct acpi_2_rsdp *)(version?getAddressOfAcpi20Table():getAddressOfAcpiTable());␊
826␉␉if (!rsdp)␊
827␉␉{␊
828␉␉␉DBG("No ACPI version %d found. Ignoring\n", version+1);␊
829␉␉␉if (version)␊
830␉␉␉␉addConfigurationTable(&gEfiAcpi20TableGuid, NULL, "ACPI_20");␊
831␉␉␉else␊
832␉␉␉␉addConfigurationTable(&gEfiAcpiTableGuid, NULL, "ACPI");␊
833␉␉␉continue;␊
834␉␉}␊
835␉␉rsdplength=version?rsdp->Length:20;␊
836␉␉␊
837␉␉DBG("RSDP version %d found @%x. Length=%d\n",version+1,rsdp,rsdplength);␊
838␉␉␊
839␉␉/* FIXME: no check that memory allocation succeeded ␊
840␉␉ * Copy and patch RSDP,RSDT, XSDT and FADT␊
841␉␉ * For more info see ACPI Specification pages 110 and following␊
842␉␉ */␊
843␉␉␊
844␉␉rsdp_mod=(struct acpi_2_rsdp *) AllocateKernelMemory(rsdplength);␊
845␉␉memcpy(rsdp_mod, rsdp, rsdplength); ␊
846␉␉rsdt=(struct acpi_2_rsdt *)(rsdp->RsdtAddress);␊
847␉␉␊
848␉␉DBG("RSDT @%x, Length %d\n",rsdt, rsdt->Length);␊
849␉␉␊
850␉␉if (rsdt && (uint32_t)rsdt !=0xffffffff && rsdt->Length<0x10000)␊
851␉␉{␊
852␉␉␉uint32_t *rsdt_entries;␊
853␉␉␉int rsdt_entries_num;␊
854␉␉␉int dropoffset=0, i;␊
855␉␉␉␊
856␉␉␉// mozo: using malloc cos I didn't found how to free already allocated kernel memory␊
857␉␉␉rsdt_mod=(struct acpi_2_rsdt *)malloc(rsdt->Length); ␊
858␉␉␉memcpy (rsdt_mod, rsdt, rsdt->Length);␊
859␉␉␉rsdp_mod->RsdtAddress=(uint32_t)rsdt_mod;␊
860␉␉␉rsdt_entries_num=(rsdt_mod->Length-sizeof(struct acpi_2_rsdt))/4;␊
861␉␉␉rsdt_entries=(uint32_t *)(rsdt_mod+1);␊
862␉␉␉for (i=0;i<rsdt_entries_num;i++)␊
863␉␉␉{␊
864␉␉␉␉char *table=(char *)(rsdt_entries[i]);␊
865␉␉␉␉if (!table)␊
866␉␉␉␉␉continue;␊
867␉␉␉␉␊
868␉␉␉␉DBG("TABLE %c%c%c%c,",table[0],table[1],table[2],table[3]);␊
869␉␉␉␉␊
870␉␉␉␉rsdt_entries[i-dropoffset]=rsdt_entries[i];␊
871␉␉␉␉␊
872␉␉␉␉if (drop_ssdt && tableSign(table, "SSDT"))␊
873␉␉␉␉{␊
874␉␉␉␉␉dropoffset++;␊
875␉␉␉␉␉continue;␊
876␉␉␉␉}␊
877␉␉␉␉if (tableSign(table, "DSDT"))␊
878␉␉␉␉{␊
879␉␉␉␉␉DBG("DSDT found\n");␊
880␉␉␉␉␉␊
881␉␉␉␉␉if(new_dsdt)␊
882␉␉␉␉␉␉rsdt_entries[i-dropoffset]=(uint32_t)new_dsdt;␊
883␉␉␉␉␉␊
884␉␉␉␉␉continue;␊
885␉␉␉␉}␊
886␉␉␉␉if (tableSign(table, "FACP"))␊
887␉␉␉␉{␊
888␉␉␉␉␉struct acpi_2_fadt *fadt, *fadt_mod;␊
889␉␉␉␉␉fadt=(struct acpi_2_fadt *)rsdt_entries[i];␊
890␉␉␉␉␉␊
891␉␉␉␉␉DBG("FADT found @%x, Length %d\n",fadt, fadt->Length);␊
892␉␉␉␉␉␊
893␉␉␉␉␉if (!fadt || (uint32_t)fadt == 0xffffffff || fadt->Length>0x10000)␊
894␉␉␉␉␉{␊
895␉␉␉␉␉␉printf("FADT incorrect. Not modified\n");␊
896␉␉␉␉␉␉continue;␊
897␉␉␉␉␉}␊
898␉␉␉␉␉␊
899␉␉␉␉␉fadt_mod = patch_fadt(fadt, new_dsdt);␊
900␉␉␉␉␉rsdt_entries[i-dropoffset]=(uint32_t)fadt_mod;␊
901␉␉␉␉␉␊
902␉␉␉␉␉// Generate _CST SSDT␊
903␉␉␉␉␉if (generate_cstates && (new_ssdt[ssdt_count] = generate_cst_ssdt(fadt_mod)))␊
904␉␉␉␉␉{␊
905␉␉␉␉␉␉generate_cstates = false; // Generate SSDT only once!␊
906␉␉␉␉␉␉ssdt_count++;␊
907␉␉␉␉␉}␊
908␉␉␉␉␉␊
909␉␉␉␉␉// Generating _PSS SSDT␊
910␉␉␉␉␉if (generate_pstates && (new_ssdt[ssdt_count] = generate_pss_ssdt((void*)fadt_mod->DSDT)))␊
911␉␉␉␉␉{␊
912␉␉␉␉␉␉generate_pstates = false; // Generate SSDT only once!␊
913␉␉␉␉␉␉ssdt_count++;␊
914␉␉␉␉␉}␊
915␉␉␉␉␉␊
916␉␉␉␉␉continue;␊
917␉␉␉␉}␊
918␉␉␉}␊
919␉␉␉DBG("\n");␊
920␉␉␉␊
921␉␉␉// Allocate rsdt in Kernel memory area␊
922␉␉␉rsdt_mod->Length += 4*ssdt_count - 4*dropoffset;␊
923␉␉␉struct acpi_2_rsdt *rsdt_copy = (struct acpi_2_rsdt *)AllocateKernelMemory(rsdt_mod->Length);␊
924␉␉␉memcpy (rsdt_copy, rsdt_mod, rsdt_mod->Length);␊
925␉␉␉free(rsdt_mod); rsdt_mod = rsdt_copy;␊
926␉␉␉rsdp_mod->RsdtAddress=(uint32_t)rsdt_mod;␊
927␉␉␉rsdt_entries_num=(rsdt_mod->Length-sizeof(struct acpi_2_rsdt))/4;␊
928␉␉␉rsdt_entries=(uint32_t *)(rsdt_mod+1);␊
929␉␉␉␊
930␉␉␉// Mozodojo: Insert additional SSDTs into RSDT␊
931␉␉␉if(ssdt_count>0)␊
932␉␉␉{␊
933␉␉␉␉int j;␊
934␉␉␉␉␊
935␉␉␉␉for (j=0; j<ssdt_count; j++)␊
936␉␉␉␉␉rsdt_entries[i-dropoffset+j]=(uint32_t)new_ssdt[j];␊
937␉␉␉␉␊
938␉␉␉␉verbose("RSDT: Added %d SSDT table(s)\n", ssdt_count);␊
939␉␉␉}␊
940␉␉␉␊
941␉␉␉// Correct the checksum of RSDT␊
942␉␉␉DBG("RSDT: Original checksum %d, ", rsdt_mod->Checksum);␊
943␉␉␉␊
944␉␉␉rsdt_mod->Checksum=0;␊
945␉␉␉rsdt_mod->Checksum=256-checksum8(rsdt_mod,rsdt_mod->Length);␊
946␉␉␉␊
947␉␉␉DBG("New checksum %d at %x\n", rsdt_mod->Checksum,rsdt_mod);␊
948␉␉}␊
949␉␉else␊
950␉␉{␊
951␉␉␉rsdp_mod->RsdtAddress=0;␊
952␉␉␉printf("RSDT not found or RSDT incorrect\n");␊
953␉␉}␊
954␉␉␊
955␉␉if (version)␊
956␉␉{␊
957␉␉␉struct acpi_2_xsdt *xsdt, *xsdt_mod;␊
958␉␉␉␊
959␉␉␉// FIXME: handle 64-bit address correctly␊
960␉␉␉␊
961␉␉␉xsdt=(struct acpi_2_xsdt*) ((uint32_t)rsdp->XsdtAddress);␊
962␉␉␉DBG("XSDT @%x;%x, Length=%d\n", (uint32_t)(rsdp->XsdtAddress>>32),(uint32_t)rsdp->XsdtAddress,␊
963␉␉␉␉xsdt->Length);␊
964␉␉␉if (xsdt && (uint64_t)rsdp->XsdtAddress<0xffffffff && xsdt->Length<0x10000)␊
965␉␉␉{␊
966␉␉␉␉uint64_t *xsdt_entries;␊
967␉␉␉␉int xsdt_entries_num, i;␊
968␉␉␉␉int dropoffset=0;␊
969␉␉␉␉␊
970␉␉␉␉// mozo: using malloc cos I didn't found how to free already allocated kernel memory␊
971␉␉␉␉xsdt_mod=(struct acpi_2_xsdt*)malloc(xsdt->Length); ␊
972␉␉␉␉memcpy(xsdt_mod, xsdt, xsdt->Length);␊
973␉␉␉␉rsdp_mod->XsdtAddress=(uint32_t)xsdt_mod;␊
974␉␉␉␉xsdt_entries_num=(xsdt_mod->Length-sizeof(struct acpi_2_xsdt))/8;␊
975␉␉␉␉xsdt_entries=(uint64_t *)(xsdt_mod+1);␊
976␉␉␉␉for (i=0;i<xsdt_entries_num;i++)␊
977␉␉␉␉{␊
978␉␉␉␉␉char *table=(char *)((uint32_t)(xsdt_entries[i]));␊
979␉␉␉␉␉if (!table)␊
980␉␉␉␉␉␉continue;␊
981␉␉␉␉␉␊
982␉␉␉␉␉xsdt_entries[i-dropoffset]=xsdt_entries[i];␊
983␉␉␉␉␉␊
984␉␉␉␉␉if (drop_ssdt && tableSign(table, "SSDT"))␊
985␉␉␉␉␉{␊
986␉␉␉␉␉␉dropoffset++;␊
987␉␉␉␉␉␉continue;␊
988␉␉␉␉␉}␉␉␉␉␉␊
989␉␉␉␉␉if (tableSign(table, "DSDT"))␊
990␉␉␉␉␉{␊
991␉␉␉␉␉␉DBG("DSDT found\n");␊
992␉␉␉␉␉␉␊
993␉␉␉␉␉␉if (new_dsdt) ␊
994␉␉␉␉␉␉␉xsdt_entries[i-dropoffset]=(uint32_t)new_dsdt;␊
995␉␉␉␉␉␉␊
996␉␉␉␉␉␉DBG("TABLE %c%c%c%c@%x,",table[0],table[1],table[2],table[3],xsdt_entries[i]);␊
997␉␉␉␉␉␉␊
998␉␉␉␉␉␉continue;␊
999␉␉␉␉␉}␊
1000␉␉␉␉␉if (tableSign(table, "FACP"))␊
1001␉␉␉␉␉{␊
1002␉␉␉␉␉␉struct acpi_2_fadt *fadt, *fadt_mod;␊
1003␉␉␉␉␉␉fadt=(struct acpi_2_fadt *)(uint32_t)xsdt_entries[i];␊
1004␉␉␉␉␉␉␊
1005␉␉␉␉␉␉DBG("FADT found @%x,%x, Length %d\n",(uint32_t)(xsdt_entries[i]>>32),fadt, ␊
1006␉␉␉␉␉␉␉fadt->Length);␊
1007␉␉␉␉␉␉␊
1008␉␉␉␉␉␉if (!fadt || (uint64_t)xsdt_entries[i] >= 0xffffffff || fadt->Length>0x10000)␊
1009␉␉␉␉␉␉{␊
1010␉␉␉␉␉␉␉verbose("FADT incorrect or after 4GB. Dropping XSDT\n");␊
1011␉␉␉␉␉␉␉goto drop_xsdt;␊
1012␉␉␉␉␉␉}␊
1013␉␉␉␉␉␉␊
1014␉␉␉␉␉␉fadt_mod = patch_fadt(fadt, new_dsdt);␊
1015␉␉␉␉␉␉xsdt_entries[i-dropoffset]=(uint32_t)fadt_mod;␊
1016␉␉␉␉␉␉␊
1017␉␉␉␉␉␉DBG("TABLE %c%c%c%c@%x,",table[0],table[1],table[2],table[3],xsdt_entries[i]);␊
1018␉␉␉␉␉␉␊
1019␉␉␉␉␉␉// Generate _CST SSDT␊
1020␉␉␉␉␉␉if (generate_cstates && (new_ssdt[ssdt_count] = generate_cst_ssdt(fadt_mod))) ␊
1021␉␉␉␉␉␉{␊
1022␉␉␉␉␉␉␉generate_cstates = false; // Generate SSDT only once!␊
1023␉␉␉␉␉␉␉ssdt_count++;␊
1024␉␉␉␉␉␉}␊
1025␉␉␉␉␉␉␊
1026␉␉␉␉␉␉// Generating _PSS SSDT␊
1027␉␉␉␉␉␉if (generate_pstates && (new_ssdt[ssdt_count] = generate_pss_ssdt((void*)fadt_mod->DSDT)))␊
1028␉␉␉␉␉␉{␊
1029␉␉␉␉␉␉␉generate_pstates = false; // Generate SSDT only once!␊
1030␉␉␉␉␉␉␉ssdt_count++;␊
1031␉␉␉␉␉␉}␊
1032␉␉␉␉␉␉␊
1033␉␉␉␉␉␉continue;␊
1034␉␉␉␉␉}␊
1035␉␉␉␉␉␊
1036␉␉␉␉␉DBG("TABLE %c%c%c%c@%x,",table[0],table[1],table[2],table[3],xsdt_entries[i]);␊
1037␉␉␉␉␉␊
1038␉␉␉␉}␊
1039␉␉␉␉␊
1040␉␉␉␉// Allocate xsdt in Kernel memory area␊
1041␉␉␉␉xsdt_mod->Length += 8*ssdt_count - 8*dropoffset;␊
1042␉␉␉␉struct acpi_2_xsdt *xsdt_copy = (struct acpi_2_xsdt *)AllocateKernelMemory(xsdt_mod->Length);␊
1043␉␉␉␉memcpy(xsdt_copy, xsdt_mod, xsdt_mod->Length);␊
1044␉␉␉␉free(xsdt_mod); xsdt_mod = xsdt_copy;␊
1045␉␉␉␉rsdp_mod->XsdtAddress=(uint32_t)xsdt_mod;␊
1046␉␉␉␉xsdt_entries_num=(xsdt_mod->Length-sizeof(struct acpi_2_xsdt))/8;␊
1047␉␉␉␉xsdt_entries=(uint64_t *)(xsdt_mod+1);␊
1048␉␉␉␉␊
1049␉␉␉␉// Mozodojo: Insert additional SSDTs into XSDT␊
1050␉␉␉␉if(ssdt_count>0)␊
1051␉␉␉␉{␊
1052␉␉␉␉␉int j;␊
1053␉␉␉␉␉␊
1054␉␉␉␉␉for (j=0; j<ssdt_count; j++)␊
1055␉␉␉␉␉␉xsdt_entries[i-dropoffset+j]=(uint32_t)new_ssdt[j];␊
1056␉␉␉␉␉␊
1057␉␉␉␉␉verbose("Added %d SSDT table(s) into XSDT\n", ssdt_count);␊
1058␉␉␉␉}␊
1059␉␉␉␉␊
1060␉␉␉␉// Correct the checksum of XSDT␊
1061␉␉␉␉xsdt_mod->Checksum=0;␊
1062␉␉␉␉xsdt_mod->Checksum=256-checksum8(xsdt_mod,xsdt_mod->Length);␊
1063␉␉␉}␊
1064␉␉␉else␊
1065␉␉␉{␊
1066␉␉␉drop_xsdt:␊
1067␉␉␉␉␊
1068␉␉␉␉DBG("About to drop XSDT\n");␊
1069␉␉␉␉␊
1070␉␉␉␉/*FIXME: Now we just hope that if MacOS doesn't find XSDT it reverts to RSDT. ␊
1071␉␉␉␉ * A Better strategy would be to generate␊
1072␉␉␉␉ */␊
1073␉␉␉␉␊
1074␉␉␉␉rsdp_mod->XsdtAddress=0xffffffffffffffffLL;␊
1075␉␉␉␉verbose("XSDT not found or XSDT incorrect\n");␊
1076␉␉␉}␊
1077␉␉}␊
1078␉␉␊
1079␉␉// Correct the checksum of RSDP ␊
1080␉␉␊
1081␉␉DBG("RSDP: Original checksum %d, ", rsdp_mod->Checksum);␊
1082␉␉␊
1083␉␉rsdp_mod->Checksum=0;␊
1084␉␉rsdp_mod->Checksum=256-checksum8(rsdp_mod,20);␊
1085␉␉␊
1086␉␉DBG("New checksum %d\n", rsdp_mod->Checksum);␊
1087␉␉␊
1088␉␉if (version)␊
1089␉␉{␊
1090␉␉␉DBG("RSDP: Original extended checksum %d", rsdp_mod->ExtendedChecksum);␊
1091␉␉␉␊
1092␉␉␉rsdp_mod->ExtendedChecksum=0;␊
1093␉␉␉rsdp_mod->ExtendedChecksum=256-checksum8(rsdp_mod,rsdp_mod->Length);␊
1094␉␉␉␊
1095␉␉␉DBG("New extended checksum %d\n", rsdp_mod->ExtendedChecksum);␊
1096␉␉␉␊
1097␉␉}␊
1098␉␉␊
1099␉␉//verbose("Patched ACPI version %d DSDT\n", version+1);␊
1100␉␉if (version)␊
1101␉␉{␊
1102␉␉␉/* XXX aserebln why uint32 cast if pointer is uint64 ? */␊
1103␉␉␉acpi20_p = (uint32_t)rsdp_mod;␊
1104␉␉␉addConfigurationTable(&gEfiAcpi20TableGuid, &acpi20_p, "ACPI_20");␊
1105␉␉}␊
1106␉␉else␊
1107␉␉{␊
1108␉␉␉/* XXX aserebln why uint32 cast if pointer is uint64 ? */␊
1109␉␉␉acpi10_p = (uint32_t)rsdp_mod;␊
1110␉␉␉addConfigurationTable(&gEfiAcpiTableGuid, &acpi10_p, "ACPI");␊
1111␉␉}␊
1112␉}␊
1113#if DEBUG_ACPI␊
1114␉printf("Press a key to continue... (DEBUG_ACPI)\n");␊
1115␉getc();␊
1116#endif␊
1117␉return 1;␊
1118}␊
1119

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