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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...) msglog(x)␊
27#endif␊
28␊
29// Slice: New signature compare function␊
30boolean_t tableSign(char *table, const char *sgn)␊
31{␊
32␉int i;␊
33␉for (i = 0; i < 4; i++)␊
34␉{␊
35␉␉if ((table[i] &~0x20) != (sgn[i] &~0x20))␊
36␉␉{␊
37␉␉␉return false;␊
38␉␉}␊
39␉}␊
40␉return 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␊
48␉void *acpi_addr = (void*)ACPI_RANGE_START;␊
49␊
50␉for(; acpi_addr <= (void*)ACPI_RANGE_END; acpi_addr += 16)␊
51␉{␊
52␉␉if(*(uint64_t *)acpi_addr == ACPI_SIGNATURE_UINT64_LE)␊
53␉␉{␊
54␉␉␉uint8_t csum = checksum8(acpi_addr, 20);␊
55␉␉␉if(csum == 0)␊
56␉␉␉{␊
57␉␉␉// Only return the table if it is a true version 1.0 table (Revision 0)␊
58␉␉␉␉if(((struct acpi_2_rsdp*)acpi_addr)->Revision == 0)␊
59␉␉␉␉return acpi_addr;␊
60␉␉␉}␊
61␉␉}␊
62␉}␊
63␉return NULL;␊
64}␊
65␊
66/* Gets the ACPI 2.0 RSDP address */␊
67static struct acpi_2_rsdp* getAddressOfAcpi20Table()␊
68{␊
69␉/* TODO: Before searching the BIOS space we are supposed to search the first 1K of the EBDA */␊
70␊
71␉void *acpi_addr = (void*)ACPI_RANGE_START;␊
72␊
73␉for(; acpi_addr <= (void*)ACPI_RANGE_END; acpi_addr += 16)␊
74␉{␊
75␉␉if(*(uint64_t *)acpi_addr == ACPI_SIGNATURE_UINT64_LE)␊
76␉␉{␊
77␉␉␉uint8_t csum = checksum8(acpi_addr, 20);␊
78␊
79␉␉␉/* Only assume this is a 2.0 or better table if the revision is greater than 0␊
80␉␉␉ * NOTE: ACPI 3.0 spec only seems to say that 1.0 tables have revision 1␊
81␉␉␉ * and that the current revision is 2.. I am going to assume that rev > 0 is 2.0.␊
82␉␉␉ */␊
83␊
84␉␉␉if(csum == 0 && (((struct acpi_2_rsdp*)acpi_addr)->Revision > 0))␊
85␉␉␉{␊
86␉␉␉␉uint8_t csum2 = checksum8(acpi_addr, sizeof(struct acpi_2_rsdp));␊
87␉␉␉␉if(csum2 == 0)␊
88␉␉␉␉{␊
89␉␉␉␉␉return acpi_addr;␊
90␉␉␉␉}␊
91␉␉␉}␊
92␉␉}␊
93␉}␊
94␉return NULL;␊
95}␊
96␊
97/* The folowing ACPI Table search algo. should be reused anywhere needed:*/␊
98/* WARNING: outDirspec string will be overwritten by subsequent calls! */␊
99int search_and_get_acpi_fd(const char * filename, const char ** outDirspec)␊
100{␊
101␉int fd = 0;␊
102␉static char dirSpec[512];␊
103␊
104␉// Try finding 'filename' in the usual places␊
105␉// Start searching any potential location for ACPI Table␊
106␉snprintf(dirSpec, sizeof(dirSpec), "%s", filename); ␊
107␉fd = open(dirSpec, 0);␊
108␉if (fd < 0) {␊
109␉␉snprintf(dirSpec, sizeof(dirSpec), "/Extra/%s", filename); ␊
110␉␉fd = open(dirSpec, 0);␊
111␉␉if (fd < 0)␊
112␉␉{␊
113␉␉␉snprintf(dirSpec, sizeof(dirSpec), "bt(0,0)/Extra/%s", filename);␊
114␉␉␉fd = open(dirSpec, 0);␊
115␉␉␉if (fd < 0) {␊
116␉␉␉␉// NOT FOUND:␊
117␉␉␉␉DBG("ACPI Table not found: %s\n", filename);␊
118␉␉␉␉*dirSpec = '\0';␊
119␉␉␉}␊
120␉␉}␊
121␉}␊
122␊
123␉if (outDirspec) *outDirspec = dirSpec; ␊
124␉return fd;␊
125}␊
126␊
127void *loadACPITable (const char * filename)␊
128{␊
129␉void *tableAddr;␊
130␉const char * dirspec=NULL;␊
131␊
132␉int fd = search_and_get_acpi_fd(filename, &dirspec);␊
133␊
134␉if (fd>=0)␊
135␉{␊
136␉␉tableAddr=(void*)AllocateKernelMemory(file_size (fd));␊
137␉␉if (tableAddr)␊
138␉␉{␊
139␉␉␉if (read (fd, tableAddr, file_size (fd))!=file_size (fd))␊
140␉␉␉{␊
141␉␉␉␉DBG("Couldn't read table %s\n",dirspec);␊
142␉␉␉␉free (tableAddr);␊
143␉␉␉␉close (fd);␊
144␉␉␉␉return NULL;␊
145␉␉␉}␊
146␊
147␉␉␉DBG("Table %s read and stored at: %x\n", dirspec, tableAddr);␊
148␉␉␉close (fd);␊
149␉␉␉return tableAddr;␊
150␉␉}␊
151␉␉close (fd);␊
152␉␉DBG("Couldn't allocate memory for table \n", dirspec);␊
153␉} ␊
154␉//printf("Couldn't find table %s\n", filename);␊
155␉return NULL;␊
156}␊
157␊
158uint8_t␉acpi_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{␊
164␉uint32_t i;␊
165␊
166␉DBG("Start finding cpu names. length %d\n", length);␊
167␊
168␉for (i=0; i<length-7; i++) ␊
169␉{␊
170␉␉if (dsdt[i] == 0x5B && dsdt[i+1] == 0x83) // ProcessorOP␊
171␉␉{␊
172␉␉␉DBG("DSDT: %x%x\n", dsdt[i], dsdt[i+1]);␊
173␊
174␉␉␉uint32_t offset = i + 3 + (dsdt[i+2] >> 6);␊
175␊
176␉␉␉bool add_name = true;␊
177␊
178␉␉␉uint8_t j;␊
179␊
180␉␉␉for (j=0; j<4; j++) ␊
181␉␉␉{␊
182␉␉␉␉char c = dsdt[offset+j];␊
183␊
184␉␉␉␉if (!aml_isvalidchar(c))␊
185␉␉␉␉{␊
186␉␉␉␉␉add_name = false;␊
187␉␉␉␉␉DBG("Invalid character found in ProcessorOP 0x%x!\n", c);␊
188␉␉␉␉␉break;␊
189␉␉␉␉}␊
190␉␉␉}␊
191␊
192␉␉␉if (add_name)␊
193␉␉␉{␊
194␉␉␉␉acpi_cpu_name[acpi_cpu_count] = malloc(4);␊
195␉␉␉␉memcpy(acpi_cpu_name[acpi_cpu_count], dsdt+offset, 4);␊
196␉␉␉␉i = offset + 5;␊
197␊
198␉␉␉␉if (acpi_cpu_count == 0)␊
199␉␉␉␉␉acpi_cpu_p_blk = dsdt[i] | (dsdt[i+1] << 8);␊
200␊
201␉␉␉␉DBG("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␊
203␉␉␉␉if (++acpi_cpu_count == 32) {␊
204␉␉␉␉␉return;␊
205␉␉␉␉}␊
206␉␉␉}␊
207␉␉}␊
208␉}␊
209␊
210␉DBG("End finding cpu names: cpu names found: %d\n", acpi_cpu_count);␊
211}␊
212␊
213struct acpi_2_ssdt *generate_cst_ssdt(struct acpi_2_fadt* fadt)␊
214{␊
215␉char ssdt_header[] = // cst_ssdt_header␊
216␉{␊
217␉␉0x53, 0x53, 0x44, 0x54, 0xE7, 0x00, 0x00, 0x00, /* SSDT.... */␊
218␉␉0x01, 0x17, 0x50, 0x6D, 0x52, 0x65, 0x66, 0x41, /* ..PmRefA */␊
219␉␉0x43, 0x70, 0x75, 0x43, 0x73, 0x74, 0x00, 0x00, /* CpuCst.. */␊
220␉␉0x00, 0x10, 0x00, 0x00, 0x49, 0x4E, 0x54, 0x4C, /* ....INTL */␊
221␉␉0x31, 0x03, 0x10, 0x20␉␉␉␉␉␉␉/* 1.._␉␉*/␊
222␉};␊
223␉␊
224␉char resource_template_register_fixedhw[] =␊
225␉{␊
226␉␉0x11, 0x14, 0x0A, 0x11, 0x82, 0x0C, 0x00, 0x7F,␊
227␉␉0x01, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,␊
228␉␉0x00, 0x00, 0x01, 0x79, 0x00␊
229␉};␊
230␊
231␉char resource_template_register_systemio[] =␊
232␉{␊
233␉␉0x11, 0x14, 0x0A, 0x11, 0x82, 0x0C, 0x00, 0x01,␊
234␉␉0x08, 0x00, 0x00, 0x15, 0x04, 0x00, 0x00, 0x00,␊
235␉␉0x00, 0x00, 0x00, 0x79, 0x00,␊
236␉};␊
237␊
238␉if (Platform.CPU.Vendor != 0x756E6547) {␊
239␉␉DBG("Not an Intel platform: C-States will not be generated !!!\n");␊
240␉␉return NULL;␊
241␉}␊
242␊
243␉if (fadt == NULL) {␊
244␉␉DBG("FACP not exists: C-States will not be generated !!!\n");␊
245␉␉return NULL;␊
246␉}␊
247␊
248␉struct acpi_2_dsdt* dsdt = (void*)fadt->DSDT;␊
249␊
250␉if (dsdt == NULL) {␊
251␉␉DBG("DSDT not found: C-States will not be generated !!!\n");␊
252␉␉return NULL;␊
253␉}␊
254␊
255␉if (acpi_cpu_count == 0)␊
256␉␉get_acpi_cpu_names((void*)dsdt, dsdt->Length);␊
257␊
258␉if (acpi_cpu_count > 0)␊
259␉{␊
260␉␉bool c2_enabled = false;␊
261␉␉bool c3_enabled = false;␊
262␉␉bool c4_enabled = false;␊
263␉␉bool cst_using_systemio = false;␊
264␊
265␉␉getBoolForKey(kEnableC2State, &c2_enabled, &bootInfo->chameleonConfig);␊
266␉␉getBoolForKey(kEnableC3State, &c3_enabled, &bootInfo->chameleonConfig);␊
267␉␉getBoolForKey(kEnableC4State, &c4_enabled, &bootInfo->chameleonConfig);␊
268␉␉getBoolForKey(kCSTUsingSystemIO, &cst_using_systemio, &bootInfo->chameleonConfig);␊
269␊
270␉␉c2_enabled = c2_enabled | (fadt->C2_Latency < 100);␊
271␉␉c3_enabled = c3_enabled | (fadt->C3_Latency < 1000);␊
272␊
273␉␉unsigned char cstates_count = 1 + (c2_enabled ? 1 : 0) + (c3_enabled ? 1 : 0);␊
274␊
275␉␉AML_CHUNK* root = aml_create_node(NULL);␊
276␉␉aml_add_buffer(root, ssdt_header, sizeof(ssdt_header)); // SSDT header␊
277␉␉AML_CHUNK* scop = aml_add_scope(root, "\\_PR_");␊
278␉␉AML_CHUNK* name = aml_add_name(scop, "CST_");␊
279␉␉AML_CHUNK* pack = aml_add_package(name);␊
280␉␉aml_add_byte(pack, cstates_count);␊
281␊
282␉␉AML_CHUNK* tmpl = aml_add_package(pack);␊
283␉␉if (cst_using_systemio) {␊
284␉␉␉// C1␊
285␉␉␉resource_template_register_fixedhw[8] = 0x00;␊
286␉␉␉resource_template_register_fixedhw[9] = 0x00;␊
287␉␉␉resource_template_register_fixedhw[18] = 0x00;␊
288␉␉␉aml_add_buffer(tmpl, resource_template_register_fixedhw, sizeof(resource_template_register_fixedhw));␊
289␉␉␉aml_add_byte(tmpl, 0x01);␉␉// C1␊
290␉␉␉aml_add_word(tmpl, 0x0001);␉␉// Latency␊
291␉␉␉aml_add_dword(tmpl, 0x000003e8);␉// Power␊
292␊
293␉␉␉uint8_t p_blk_lo, p_blk_hi;␊
294␊
295␉␉␉if (c2_enabled) // C2␊
296␉␉␉{␊
297␉␉␉␉p_blk_lo = acpi_cpu_p_blk + 4;␊
298␉␉␉␉p_blk_hi = (acpi_cpu_p_blk + 4) >> 8;␊
299␊
300␉␉␉␉tmpl = aml_add_package(pack);␊
301␉␉␉␉resource_template_register_systemio[11] = p_blk_lo; // C2␊
302␉␉␉␉resource_template_register_systemio[12] = p_blk_hi; // C2␊
303␉␉␉␉aml_add_buffer(tmpl, resource_template_register_systemio, sizeof(resource_template_register_systemio));␊
304␉␉␉␉aml_add_byte(tmpl, 0x02);␉␉// C2␊
305␉␉␉␉aml_add_word(tmpl, 0x0040);␉␉// Latency␊
306␉␉␉␉aml_add_dword(tmpl, 0x000001f4);␉// Power␊
307␉␉␉}␊
308␊
309␉␉␉if (c4_enabled) // C4␊
310␉␉␉{␊
311␉␉␉␉p_blk_lo = acpi_cpu_p_blk + 5;␊
312␉␉␉␉p_blk_hi = (acpi_cpu_p_blk + 5) >> 8;␊
313␊
314␉␉␉␉tmpl = aml_add_package(pack);␊
315␉␉␉␉resource_template_register_systemio[11] = p_blk_lo; // C4␊
316␉␉␉␉resource_template_register_systemio[12] = p_blk_hi; // C4␊
317␉␉␉␉aml_add_buffer(tmpl, resource_template_register_systemio, sizeof(resource_template_register_systemio));␊
318␉␉␉␉aml_add_byte(tmpl, 0x04);␉␉// C4␊
319␉␉␉␉aml_add_word(tmpl, 0x0080);␉␉// Latency␊
320␉␉␉␉aml_add_dword(tmpl, 0x000000C8);␉// Power␊
321␉␉␉}␊
322␉␉␉else if (c3_enabled) // C3␊
323␉␉␉{␊
324␉␉␉␉p_blk_lo = acpi_cpu_p_blk + 5;␊
325␉␉␉␉p_blk_hi = (acpi_cpu_p_blk + 5) >> 8;␊
326␊
327␉␉␉␉tmpl = aml_add_package(pack);␊
328␉␉␉␉resource_template_register_systemio[11] = p_blk_lo; // C3␊
329␉␉␉␉resource_template_register_systemio[12] = p_blk_hi; // C3␊
330␉␉␉␉aml_add_buffer(tmpl, resource_template_register_systemio, sizeof(resource_template_register_systemio));␊
331␉␉␉␉aml_add_byte(tmpl, 0x03);␉␉// C3␊
332␉␉␉␉aml_add_word(tmpl, 0x0060);␉␉// Latency␊
333␉␉␉␉aml_add_dword(tmpl, 0x0000015e);␉// Power␊
334␉␉␉}␊
335␉␉}␊
336␉␉else␊
337␉␉{␊
338␉␉␉// C1␊
339␉␉␉resource_template_register_fixedhw[8] = 0x01;␊
340␉␉␉resource_template_register_fixedhw[9] = 0x02;␊
341␉␉␉resource_template_register_fixedhw[18] = 0x01;␊
342␊
343␉␉␉resource_template_register_fixedhw[11] = 0x00; // C1␊
344␉␉␉aml_add_buffer(tmpl, resource_template_register_fixedhw, sizeof(resource_template_register_fixedhw));␊
345␉␉␉aml_add_byte(tmpl, 0x01);␉␉// C1␊
346␉␉␉aml_add_word(tmpl, 0x0001);␉␉// Latency␊
347␉␉␉aml_add_dword(tmpl, 0x000003e8);␉// Power␊
348␊
349␉␉␉resource_template_register_fixedhw[18] = 0x03;␊
350␊
351␉␉␉if (c2_enabled) // C2␊
352␉␉␉{␊
353␉␉␉␉tmpl = aml_add_package(pack);␊
354␉␉␉␉resource_template_register_fixedhw[11] = 0x10; // C2␊
355␉␉␉␉aml_add_buffer(tmpl, resource_template_register_fixedhw, sizeof(resource_template_register_fixedhw));␊
356␉␉␉␉aml_add_byte(tmpl, 0x02);␉␉// C2␊
357␉␉␉␉aml_add_word(tmpl, 0x0040);␉␉// Latency␊
358␉␉␉␉aml_add_dword(tmpl, 0x000001f4);␉// Power␊
359␉␉␉}␊
360␊
361␉␉␉if (c4_enabled) // C4␊
362␉␉␉{␊
363␉␉␉␉tmpl = aml_add_package(pack);␊
364␉␉␉␉resource_template_register_fixedhw[11] = 0x30; // C4␊
365␉␉␉␉aml_add_buffer(tmpl, resource_template_register_fixedhw, sizeof(resource_template_register_fixedhw));␊
366␉␉␉␉aml_add_byte(tmpl, 0x04);␉␉// C4␊
367␉␉␉␉aml_add_word(tmpl, 0x0080);␉␉// Latency␊
368␉␉␉␉aml_add_dword(tmpl, 0x000000C8);␉// Power␊
369␉␉␉}␊
370␉␉␉else if (c3_enabled)␊
371␉␉␉{␊
372␉␉␉␉tmpl = aml_add_package(pack);␊
373␉␉␉␉resource_template_register_fixedhw[11] = 0x20; // C3␊
374␉␉␉␉aml_add_buffer(tmpl, resource_template_register_fixedhw, sizeof(resource_template_register_fixedhw));␊
375␉␉␉␉aml_add_byte(tmpl, 0x03);␉␉// C3␊
376␉␉␉␉aml_add_word(tmpl, 0x0060);␉␉// Latency␊
377␉␉␉␉aml_add_dword(tmpl, 0x0000015e);␉// Power␊
378␉␉␉}␊
379␉␉}␊
380␊
381␉␉// Aliaces␊
382␉␉int i;␊
383␉␉for (i = 0; i < acpi_cpu_count; i++) ␊
384␉␉{␊
385␉␉␉char name[9];␊
386␉␉␉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]);␊
387␊
388␉␉␉scop = aml_add_scope(root, name);␊
389␉␉␉␉aml_add_alias(scop, "CST_", "_CST");␊
390␉␉}␊
391␊
392␉␉aml_calculate_size(root);␊
393␊
394␉␉struct acpi_2_ssdt *ssdt = (struct acpi_2_ssdt *)AllocateKernelMemory(root->Size);␊
395␊
396␉␉aml_write_node(root, (void*)ssdt, 0);␊
397␊
398␉␉ssdt->Length = root->Size;␊
399␉␉ssdt->Checksum = 0;␊
400␉␉ssdt->Checksum = 256 - checksum8(ssdt, ssdt->Length);␊
401␊
402␉␉aml_destroy_node(root);␊
403␊
404␉␉// dumpPhysAddr("C-States SSDT content: ", ssdt, ssdt->Length);␊
405␉␉␊
406␉␉DBG("SSDT with CPU C-States generated successfully\n");␊
407␊
408␉␉return ssdt;␊
409␉} else {␊
410␉␉DBG("ACPI CPUs not found: C-States not generated !!!\n");␊
411␉}␊
412␊
413␉return NULL;␊
414}␊
415␊
416struct acpi_2_ssdt *generate_pss_ssdt(struct acpi_2_dsdt* dsdt)␊
417{␊
418␉char ssdt_header[] = // pss_ssdt_header␊
419␉{␊
420␉␉0x53, 0x53, 0x44, 0x54, 0x7E, 0x00, 0x00, 0x00, /* SSDT.... */␊
421␉␉0x01, 0x6A, 0x50, 0x6D, 0x52, 0x65, 0x66, 0x00, /* ..PmRef. */␊
422␉␉0x43, 0x70, 0x75, 0x50, 0x6D, 0x00, 0x00, 0x00, /* CpuPm... */␊
423␉␉0x00, 0x30, 0x00, 0x00, 0x49, 0x4E, 0x54, 0x4C, /* .0..INTL */␊
424␉␉0x31, 0x03, 0x10, 0x20,␉␉␉␉␉␉␉/* 1.._␉␉*/␊
425␉};␊
426␊
427␉if (Platform.CPU.Vendor != 0x756E6547) {␊
428␉␉DBG("Not an Intel platform: P-States will not be generated !!!\n");␊
429␉␉return NULL;␊
430␉}␊
431␊
432␉if (!(Platform.CPU.Features & CPU_FEATURE_MSR)) {␊
433␉␉DBG("Unsupported CPU: P-States will not be generated !!! No MSR support\n");␊
434␉␉return NULL;␊
435␉}␊
436␊
437␉if (acpi_cpu_count == 0)␊
438␉␉get_acpi_cpu_names((void*)dsdt, dsdt->Length);␊
439␊
440␉if (acpi_cpu_count > 0)␊
441␉{␊
442␉␉struct p_state initial, maximum, minimum, p_states[32];␊
443␉␉uint8_t p_states_count = 0;␊
444␊
445␉␉// Retrieving P-States, ported from code by superhai (c)␊
446␉␉switch (Platform.CPU.Family) {␊
447␉␉␉case 0x06:␊
448␉␉␉{␊
449␉␉␉␉switch (Platform.CPU.Model) ␊
450␉␉␉␉{␊
451␉␉␉␉␉case CPU_MODEL_DOTHAN:␉// Intel Pentium M␊
452␉␉␉␉␉case CPU_MODEL_YONAH:␉// Intel Mobile Core Solo, Duo␊
453␉␉␉␉␉case CPU_MODEL_MEROM:␉// Intel Mobile Core 2 Solo, Duo, Xeon 30xx, Xeon 51xx, Xeon X53xx, Xeon E53xx, Xeon X32xx␊
454␉␉␉␉␉case CPU_MODEL_PENRYN:␉// Intel Core 2 Solo, Duo, Quad, Extreme, Xeon X54xx, Xeon X33xx␊
455␉␉␉␉␉case CPU_MODEL_ATOM:␉// Intel Atom (45nm)␊
456␉␉␉␉␉{␊
457␉␉␉␉␉␉bool cpu_dynamic_fsb = false;␊
458␊
459␉␉␉␉␉␉if (rdmsr64(MSR_IA32_EXT_CONFIG) & (1 << 27)) ␊
460␉␉␉␉␉␉{␊
461␉␉␉␉␉␉␉wrmsr64(MSR_IA32_EXT_CONFIG, (rdmsr64(MSR_IA32_EXT_CONFIG) | (1 << 28))); ␊
462␉␉␉␉␉␉␉delay(1);␊
463␉␉␉␉␉␉␉cpu_dynamic_fsb = rdmsr64(MSR_IA32_EXT_CONFIG) & (1 << 28);␊
464␉␉␉␉␉␉}␊
465␊
466␉␉␉␉␉␉bool cpu_noninteger_bus_ratio = (rdmsr64(MSR_IA32_PERF_STATUS) & (1ULL << 46));␊
467␊
468␉␉␉␉␉␉initial.Control = rdmsr64(MSR_IA32_PERF_STATUS);␊
469␊
470␉␉␉␉␉␉maximum.Control = ((rdmsr64(MSR_IA32_PERF_STATUS) >> 32) & 0x1F3F) | (0x4000 * cpu_noninteger_bus_ratio);␊
471␉␉␉␉␉␉maximum.CID = ((maximum.FID & 0x1F) << 1) | cpu_noninteger_bus_ratio;␊
472␊
473␉␉␉␉␉␉minimum.FID = ((rdmsr64(MSR_IA32_PERF_STATUS) >> 24) & 0x1F) | (0x80 * cpu_dynamic_fsb);␊
474␉␉␉␉␉␉minimum.VID = ((rdmsr64(MSR_IA32_PERF_STATUS) >> 48) & 0x3F);␊
475␊
476␉␉␉␉␉␉if (minimum.FID == 0) ␊
477␉␉␉␉␉␉{␊
478␉␉␉␉␉␉␉uint64_t msr;␊
479␉␉␉␉␉␉␉uint8_t i;␊
480␉␉␉␉␉␉␉// Probe for lowest fid␊
481␉␉␉␉␉␉␉for (i = maximum.FID; i >= 0x6; i--)␊
482␉␉␉␉␉␉␉{␊
483␉␉␉␉␉␉␉␉msr = rdmsr64(MSR_IA32_PERF_CONTROL);␊
484␉␉␉␉␉␉␉␉wrmsr64(MSR_IA32_PERF_CONTROL, (msr & 0xFFFFFFFFFFFF0000ULL) | (i << 8) | minimum.VID);␊
485␉␉␉␉␉␉␉␉intel_waitforsts();␊
486␉␉␉␉␉␉␉␉minimum.FID = (rdmsr64(MSR_IA32_PERF_STATUS) >> 8) & 0x1F; ␊
487␉␉␉␉␉␉␉␉delay(1);␊
488␉␉␉␉␉␉␉}␊
489␊
490␉␉␉␉␉␉␉msr = rdmsr64(MSR_IA32_PERF_CONTROL);␊
491␉␉␉␉␉␉␉wrmsr64(MSR_IA32_PERF_CONTROL, (msr & 0xFFFFFFFFFFFF0000ULL) | (maximum.FID << 8) | maximum.VID);␊
492␉␉␉␉␉␉␉intel_waitforsts();␊
493␉␉␉␉␉␉}␊
494␊
495␉␉␉␉␉␉if (minimum.VID == maximum.VID) ␊
496␉␉␉␉␉␉{␊
497␉␉␉␉␉␉␉uint64_t msr;␊
498␉␉␉␉␉␉␉uint8_t i;␊
499␉␉␉␉␉␉␉// Probe for lowest vid␊
500␉␉␉␉␉␉␉for (i = maximum.VID; i > 0xA; i--) ␊
501␉␉␉␉␉␉␉{␊
502␉␉␉␉␉␉␉␉msr = rdmsr64(MSR_IA32_PERF_CONTROL);␊
503␉␉␉␉␉␉␉␉wrmsr64(MSR_IA32_PERF_CONTROL, (msr & 0xFFFFFFFFFFFF0000ULL) | (minimum.FID << 8) | i);␊
504␉␉␉␉␉␉␉␉intel_waitforsts();␊
505␉␉␉␉␉␉␉␉minimum.VID = rdmsr64(MSR_IA32_PERF_STATUS) & 0x3F; ␊
506␉␉␉␉␉␉␉␉delay(1);␊
507␉␉␉␉␉␉␉}␊
508␊
509␉␉␉␉␉␉␉msr = rdmsr64(MSR_IA32_PERF_CONTROL);␊
510␉␉␉␉␉␉␉wrmsr64(MSR_IA32_PERF_CONTROL, (msr & 0xFFFFFFFFFFFF0000ULL) | (maximum.FID << 8) | maximum.VID);␊
511␉␉␉␉␉␉␉intel_waitforsts();␊
512␉␉␉␉␉␉}␊
513␊
514␉␉␉␉␉␉minimum.CID = ((minimum.FID & 0x1F) << 1) >> cpu_dynamic_fsb;␊
515␊
516␉␉␉␉␉␉// Sanity check␊
517␉␉␉␉␉␉if (maximum.CID < minimum.CID) {␊
518␉␉␉␉␉␉␉DBG("P-States: Insane FID values!");␊
519␉␉␉␉␉␉␉p_states_count = 0;␊
520␉␉␉␉␉␉} else {␊
521␉␉␉␉␉␉␉uint8_t vidstep;␊
522␉␉␉␉␉␉␉uint8_t i = 0, u, invalid = 0;␊
523␉␉␉␉␉␉␉// Finalize P-States␊
524␉␉␉␉␉␉␉// Find how many P-States machine supports␊
525␉␉␉␉␉␉␉p_states_count = (uint8_t)(maximum.CID - minimum.CID + 1);␊
526␊
527␉␉␉␉␉␉␉if (p_states_count > 32) {␊
528␉␉␉␉␉␉␉␉p_states_count = 32;␊
529␉␉␉␉␉␉␉}␊
530␊
531␉␉␉␉␉␉␉vidstep = ((maximum.VID << 2) - (minimum.VID << 2)) / (p_states_count - 1);␊
532␊
533␉␉␉␉␉␉␉for (u = 0; u < p_states_count; u++) {␊
534␉␉␉␉␉␉␉␉i = u - invalid;␊
535␊
536␉␉␉␉␉␉␉␉p_states[i].CID = maximum.CID - u;␊
537␉␉␉␉␉␉␉␉p_states[i].FID = (uint8_t)(p_states[i].CID >> 1);␊
538␊
539␉␉␉␉␉␉␉␉if (p_states[i].FID < 0x6) {␊
540␉␉␉␉␉␉␉␉␉if (cpu_dynamic_fsb) {␊
541␉␉␉␉␉␉␉␉␉␉p_states[i].FID = (p_states[i].FID << 1) | 0x80;␊
542␉␉␉␉␉␉␉␉␉}␊
543␉␉␉␉␉␉␉␉} else if (cpu_noninteger_bus_ratio) {␊
544␉␉␉␉␉␉␉␉␉p_states[i].FID = p_states[i].FID | (0x40 * (p_states[i].CID & 0x1));␊
545␉␉␉␉␉␉␉␉}␊
546␊
547␉␉␉␉␉␉␉␉if (i && p_states[i].FID == p_states[i-1].FID) {␊
548␉␉␉␉␉␉␉␉␉invalid++;␊
549␉␉␉␉␉␉␉␉}␊
550␉␉␉␉␉␉␉␉p_states[i].VID = ((maximum.VID << 2) - (vidstep * u)) >> 2;␊
551␉␉␉␉␉␉␉␉uint32_t multiplier = p_states[i].FID & 0x1f;␉␉// = 0x08␊
552␉␉␉␉␉␉␉␉bool half = p_states[i].FID & 0x40;␉␉␉␉␉// = 0x01␊
553␉␉␉␉␉␉␉␉bool dfsb = p_states[i].FID & 0x80;␉␉␉␉␉// = 0x00␊
554␉␉␉␉␉␉␉␉uint32_t fsb = (uint32_t)(Platform.CPU.FSBFrequency / 1000000); // = 400␊
555␉␉␉␉␉␉␉␉uint32_t halffsb = (fsb + 1) >> 1;␉␉␉␉␉// = 200␊
556␉␉␉␉␉␉␉␉uint32_t frequency = (multiplier * fsb);␉␉␉// = 3200␊
557␊
558␉␉␉␉␉␉␉␉p_states[i].Frequency = (uint32_t)(frequency + (half * halffsb)) >> dfsb;␉// = 3200 + 200 = 3400␊
559␉␉␉␉␉␉␉}␊
560␊
561␉␉␉␉␉␉␉p_states_count -= invalid;␊
562␉␉␉␉␉␉}␊
563␊
564␉␉␉␉␉␉break;␊
565␉␉␉␉␉}␊
566␉␉␉␉␉case CPU_MODEL_FIELDS:␉␉// Intel Core i5, i7, Xeon X34xx LGA1156 (45nm)␊
567␉␉␉␉␉case CPU_MODEL_DALES:␉␉␊
568␉␉␉␉␉case CPU_MODEL_DALES_32NM:␉// Intel Core i3, i5 LGA1156 (32nm)␊
569␉␉␉␉␉case CPU_MODEL_NEHALEM:␉␉// Intel Core i7, Xeon W35xx, Xeon X55xx, Xeon E55xx LGA1366 (45nm)␊
570␉␉␉␉␉case CPU_MODEL_NEHALEM_EX:␉// Intel Xeon X75xx, Xeon X65xx, Xeon E75xx, Xeon E65xx␊
571␉␉␉␉␉case CPU_MODEL_WESTMERE:␉// Intel Core i7, Xeon X56xx, Xeon E56xx, Xeon W36xx LGA1366 (32nm) 6 Core␊
572␉␉␉␉␉case CPU_MODEL_WESTMERE_EX:␉// Intel Xeon E7␊
573␉␉␉␉␉case CPU_MODEL_SANDYBRIDGE:␉// Intel Core i3, i5, i7 LGA1155 (32nm)␊
574␉␉␉␉␉case CPU_MODEL_JAKETOWN:// Intel Core i7, Xeon E5 LGA2011 (32nm)␊
575␉␉␉␉␉case CPU_MODEL_IVYBRIDGE:␉// Intel Core i3, i5, i7 LGA1155 (22nm)␊
576␉␉␉␉␉case CPU_MODEL_HASWELL:␉//␊
577␉␉␉␉␉case CPU_MODEL_IVYBRIDGE_XEON: //␊
578␉␉␉␉␉//case CPU_MODEL_HASWELL_H:␉//␊
579␉␉␉␉␉case CPU_MODEL_HASWELL_SVR:␉//␊
580␉␉␉␉␉case CPU_MODEL_HASWELL_ULT:␉//␊
581␉␉␉␉␉case CPU_MODEL_CRYSTALWELL:␉//␊
582␊
583␉␉␉␉␉{␊
584␉␉␉␉␉if ((Platform.CPU.Model == CPU_MODEL_SANDYBRIDGE) || (Platform.CPU.Model == CPU_MODEL_JAKETOWN) ||␊
585␉␉␉␉␉␉(Platform.CPU.Model == CPU_MODEL_IVYBRIDGE) || (Platform.CPU.Model == CPU_MODEL_HASWELL) ||␊
586␉␉␉␉␉␉(Platform.CPU.Model == CPU_MODEL_IVYBRIDGE_XEON) || (Platform.CPU.Model == CPU_MODEL_HASWELL_SVR) ||␊
587␉␉␉␉␉␉(Platform.CPU.Model == CPU_MODEL_HASWELL_ULT) || (Platform.CPU.Model == CPU_MODEL_CRYSTALWELL))␊
588␉␉␉␉␉{␊
589␉␉␉␉␉␉maximum.Control = (rdmsr64(MSR_IA32_PERF_STATUS) >> 8) & 0xff;␊
590␉␉␉␉␉} else {␊
591␉␉␉␉␉␉maximum.Control = rdmsr64(MSR_IA32_PERF_STATUS) & 0xff;␊
592␉␉␉␉␉}␊
593␊
594␉␉␉␉␉minimum.Control = (rdmsr64(MSR_PLATFORM_INFO) >> 40) & 0xff;␊
595␊
596␉␉␉␉␉␉DBG("P-States: min 0x%x, max 0x%x\n", minimum.Control, maximum.Control);␊
597␊
598␉␉␉␉␉␉// Sanity check␊
599␉␉␉␉␉␉if (maximum.Control < minimum.Control) {␊
600␉␉␉␉␉␉␉DBG("Insane control values!");␊
601␉␉␉␉␉␉␉p_states_count = 0;␊
602␉␉␉␉␉␉} else {␊
603␉␉␉␉␉␉␉uint8_t i;␊
604␉␉␉␉␉␉␉p_states_count = 0;␊
605␊
606␉␉␉␉␉␉␉for (i = maximum.Control; i >= minimum.Control; i--) {␊
607␉␉␉␉␉␉␉␉p_states[p_states_count].Control = i;␊
608␉␉␉␉␉␉␉␉p_states[p_states_count].CID = p_states[p_states_count].Control << 1;␊
609␉␉␉␉␉␉␉␉p_states[p_states_count].Frequency = (Platform.CPU.FSBFrequency / 1000000) * i;␊
610␉␉␉␉␉␉␉␉p_states_count++;␊
611␉␉␉␉␉␉␉}␊
612␉␉␉␉␉␉}␊
613␊
614␉␉␉␉␉␉break;␊
615␉␉␉␉␉}␊
616␉␉␉␉␉default:␊
617␉␉␉␉␉␉DBG("Unsupported CPU (0x%X): P-States not generated !!!\n", Platform.CPU.Family);␊
618␉␉␉␉␉␉break;␊
619␉␉␉␉}␊
620␉␉␉}␊
621␉␉}␊
622␊
623␉␉// Generating SSDT␊
624␉␉if (p_states_count > 0) {␊
625␉␉␉int i;␊
626␊
627␉␉␉AML_CHUNK* root = aml_create_node(NULL);␊
628␉␉␉␉aml_add_buffer(root, ssdt_header, sizeof(ssdt_header)); // SSDT header␊
629␉␉␉␉␉AML_CHUNK* scop = aml_add_scope(root, "\\_PR_");␊
630␉␉␉␉␉␉AML_CHUNK* name = aml_add_name(scop, "PSS_");␊
631␉␉␉␉␉␉␉AML_CHUNK* pack = aml_add_package(name);␊
632␊
633␉␉␉␉␉␉␉␉for (i = 0; i < p_states_count; i++) {␊
634␉␉␉␉␉␉␉␉␉AML_CHUNK* pstt = aml_add_package(pack);␊
635␊
636␉␉␉␉␉␉␉␉␉aml_add_dword(pstt, p_states[i].Frequency);␊
637␉␉␉␉␉␉␉␉␉aml_add_dword(pstt, 0x00000000); // Power␊
638␉␉␉␉␉␉␉␉␉aml_add_dword(pstt, 0x0000000A); // Latency␊
639␉␉␉␉␉␉␉␉␉aml_add_dword(pstt, 0x0000000A); // Latency␊
640␉␉␉␉␉␉␉␉␉aml_add_dword(pstt, p_states[i].Control);␊
641␉␉␉␉␉␉␉␉␉aml_add_dword(pstt, i+1); // Status␊
642␉␉␉␉␉␉␉␉}␊
643␊
644␉␉␉// Add aliaces␊
645␉␉␉for (i = 0; i < acpi_cpu_count; i++) {␊
646␉␉␉␉char name[9];␊
647␉␉␉␉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]);␊
648␊
649␉␉␉␉scop = aml_add_scope(root, name);␊
650␉␉␉␉aml_add_alias(scop, "PSS_", "_PSS");␊
651␉␉␉}␊
652␊
653␉␉␉aml_calculate_size(root);␊
654␊
655␉␉␉struct acpi_2_ssdt *ssdt = (struct acpi_2_ssdt *)AllocateKernelMemory(root->Size);␊
656␊
657␉␉␉aml_write_node(root, (void*)ssdt, 0);␊
658␊
659␉␉␉ssdt->Length = root->Size;␊
660␉␉␉ssdt->Checksum = 0;␊
661␉␉␉ssdt->Checksum = 256 - (uint8_t)(checksum8(ssdt, ssdt->Length));␊
662␊
663␉␉␉aml_destroy_node(root);␊
664␊
665␉␉␉//dumpPhysAddr("P-States SSDT content: ", ssdt, ssdt->Length);␊
666␊
667␉␉␉DBG("SSDT with CPU P-States generated successfully\n");␊
668␊
669␉␉␉return ssdt;␊
670␉␉}␊
671␉} else {␊
672␉␉DBG("ACPI CPUs not found: P-States not generated !!!\n");␊
673␉}␊
674␊
675␉return NULL;␊
676}␊
677␊
678struct acpi_2_fadt *patch_fadt(struct acpi_2_fadt *fadt, struct acpi_2_dsdt *new_dsdt)␊
679{␊
680␉extern void setupSystemType(); ␊
681␊
682␉struct acpi_2_fadt *fadt_mod = NULL;␊
683␉bool fadt_rev2_needed = false;␊
684␉bool fix_restart;␊
685␉bool fix_restart_ps2;␊
686␉const char * value;␊
687␊
688␉// Restart Fix␊
689␉if (Platform.CPU.Vendor == 0x756E6547) { /* Intel */␊
690␉␉fix_restart = true;␊
691␉␉fix_restart_ps2 = false;␊
692␉␉if ( getBoolForKey(kPS2RestartFix, &fix_restart_ps2, &bootInfo->chameleonConfig) && fix_restart_ps2) {␊
693␉␉␉fix_restart = true;␊
694␉␉} else {␊
695␉␉␉getBoolForKey(kRestartFix, &fix_restart, &bootInfo->chameleonConfig);␊
696␉␉}␊
697␉} else {␊
698␉␉DBG("Not an Intel platform: Restart Fix not applied !!!\n");␊
699␉␉fix_restart = false;␊
700␉}␊
701␊
702␉if (fix_restart) {␊
703␉␉fadt_rev2_needed = true;␊
704␉}␊
705␊
706␉// Allocate new fadt table␊
707␉if (fadt->Length < 0x84 && fadt_rev2_needed)␊
708␉{␊
709␉␉fadt_mod=(struct acpi_2_fadt *)AllocateKernelMemory(0x84);␊
710␉␉memcpy(fadt_mod, fadt, fadt->Length);␊
711␉␉fadt_mod->Length = 0x84;␊
712␉␉fadt_mod->Revision = 0x02; // FADT rev 2 (ACPI 1.0B MS extensions)␊
713␉} else {␊
714␉␉fadt_mod=(struct acpi_2_fadt *)AllocateKernelMemory(fadt->Length);␊
715␉␉memcpy(fadt_mod, fadt, fadt->Length);␊
716␉}␊
717␉// Determine system type / PM_Model␊
718␉if ( (value=getStringForKey(kSystemType, &bootInfo->chameleonConfig))!=NULL)␊
719␉{␊
720␉␉if (Platform.Type > 6) {␊
721␉␉␉if(fadt_mod->PM_Profile<=6) {␊
722␉␉␉␉Platform.Type = fadt_mod->PM_Profile; // get the fadt if correct␊
723␉␉␉} else {␊
724␉␉␉␉Platform.Type = 1;␉␉/* Set a fixed value (Desktop) */␊
725␉␉␉}␊
726␉␉␉DBG("Error: system-type must be 0..6. Defaulting to %d !\n", Platform.Type);␊
727␉␉} else {␊
728␉␉␉Platform.Type = (unsigned char) strtoul(value, NULL, 10);␊
729␉␉}␊
730␉}␊
731␉// Set PM_Profile from System-type if only user wanted this value to be forced␊
732␉if (fadt_mod->PM_Profile != Platform.Type) {␊
733␉␉if (value) {␊
734␉␉␉// user has overriden the SystemType so take care of it in FACP␊
735␉␉␉DBG("FADT: changing PM_Profile from 0x%02x to 0x%02x\n", fadt_mod->PM_Profile, Platform.Type);␊
736␉␉␉fadt_mod->PM_Profile = Platform.Type;␊
737␉␉} else {␊
738␉␉␉// PM_Profile has a different value and no override has been set, so reflect the user value to ioregs␊
739␉␉␉Platform.Type = fadt_mod->PM_Profile <= 6 ? fadt_mod->PM_Profile : 1;␊
740␉␉}␊
741␉}␊
742␉// We now have to write the systemm-type in ioregs: we cannot do it before in setupDeviceTree()␊
743␉// because we need to take care of FACP original content, if it is correct.␊
744␉setupSystemType();␊
745␊
746␉// Patch FADT to fix restart␊
747␉if (fix_restart) {␊
748␉␉if (fix_restart_ps2) {␊
749␉␉␉fadt_mod->Flags|= 0x400;␊
750␉␉␉fadt_mod->Reset_SpaceID␉␉= 0x01; // System I/O␊
751␉␉␉fadt_mod->Reset_BitWidth␉= 0x08; // 1 byte␊
752␉␉␉fadt_mod->Reset_BitOffset␉= 0x00; // Offset 0␊
753␉␉␉fadt_mod->Reset_AccessWidth␉= 0x01; // Byte access␊
754␉␉␉fadt_mod->Reset_Address␉␉= 0x64; // Address of the register␊
755␉␉␉fadt_mod->Reset_Value␉␉= 0xfe; // Value to write to reset the system␊
756␉␉␉DBG("FADT: PS2 Restart Fix applied!\n");␊
757␉␉} else {␊
758␉␉␉fadt_mod->Flags|= 0x400;␊
759␉␉␉fadt_mod->Reset_SpaceID␉␉= 0x01; // System I/O␊
760␉␉␉fadt_mod->Reset_BitWidth␉= 0x08; // 1 byte␊
761␉␉␉fadt_mod->Reset_BitOffset␉= 0x00; // Offset 0␊
762␉␉␉fadt_mod->Reset_AccessWidth␉= 0x01; // Byte access␊
763␉␉␉fadt_mod->Reset_Address␉␉= 0x0cf9; // Address of the register␊
764␉␉␉fadt_mod->Reset_Value␉␉= 0x06; // Value to write to reset the system␊
765␉␉␉DBG("FADT: ACPI Restart Fix applied!\n");␊
766␉␉}␊
767␊
768␉}␊
769␊
770␉// Patch DSDT Address if we have loaded DSDT.aml␊
771␉if(new_dsdt) {␊
772␉␉DBG("DSDT: Old @%x,%x, ",fadt_mod->DSDT,fadt_mod->X_DSDT);␊
773␊
774␉␉fadt_mod->DSDT=(uint32_t)new_dsdt;␊
775␉␉if ((uint32_t)(&(fadt_mod->X_DSDT))-(uint32_t)fadt_mod+8<=fadt_mod->Length) {␊
776␉␉␉fadt_mod->X_DSDT=(uint32_t)new_dsdt;␊
777␉␉}␊
778␊
779␉␉DBG("New @%x,%x\n",fadt_mod->DSDT,fadt_mod->X_DSDT);␊
780␊
781␉␉DBG("FADT: Using custom DSDT!\n");␊
782␉}␊
783␊
784␉// Correct the checksum␊
785␉fadt_mod->Checksum=0;␊
786␉fadt_mod->Checksum=256-checksum8(fadt_mod,fadt_mod->Length);␊
787␊
788␉return fadt_mod;␊
789}␊
790␊
791/* Setup ACPI without replacing DSDT. */␊
792int setupAcpiNoMod()␊
793{␊
794//␉addConfigurationTable(&gEfiAcpiTableGuid, getAddressOfAcpiTable(), "ACPI");␊
795//␉addConfigurationTable(&gEfiAcpi20TableGuid, getAddressOfAcpi20Table(), "ACPI_20");␊
796␉/* XXX aserebln why uint32 cast if pointer is uint64 ? */␊
797␉acpi10_p = (uint64_t)(uint32_t)getAddressOfAcpiTable();␊
798␉acpi20_p = (uint64_t)(uint32_t)getAddressOfAcpi20Table();␊
799␉addConfigurationTable(&gEfiAcpiTableGuid, &acpi10_p, "ACPI");␊
800␉if(acpi20_p) {␊
801␉␉addConfigurationTable(&gEfiAcpi20TableGuid, &acpi20_p, "ACPI_20");␊
802␉} else {␊
803␉␉DBG("No ACPI 2.\n");␊
804␉}␊
805␉return 1;␊
806}␊
807␊
808/* Setup ACPI. Replace DSDT if DSDT.aml is found */␊
809int setupAcpi(void)␊
810{␊
811␉int version;␊
812␉void *new_dsdt = NULL; // DSDT.aml DSDT␊
813␉void *new_hpet = NULL; // HPET.aml HPET␊
814␉void *new_sbst = NULL; // SBST.aml SBST␊
815␉void *new_ecdt = NULL; // ECDT.aml ECDT␊
816␉void *new_asft = NULL; // ASFT.aml ASF!␊
817␉void *new_dmar = NULL; // DMAR.aml DMAR␊
818␉void *new_apic = NULL; // APIC.aml APIC␊
819␉void *new_mcfg = NULL; // MCFG.aml MCFG␊
820␊
821␉const char *filename;␊
822␉char dirSpec[128];␊
823␉int len = 0;␊
824␊
825␉// always reset cpu count to 0 when injecting new acpi␊
826␉acpi_cpu_count = 0;␊
827␊
828␉/* Try using the file specified with the DSDT option */␊
829␉if (getValueForKey(kDSDT, &filename, &len, &bootInfo->chameleonConfig)) {␊
830␉␉snprintf(dirSpec, sizeof(dirSpec), filename);␊
831␉} else {␊
832␉␉sprintf(dirSpec, "DSDT.aml");␊
833␉␉//verbose("dirSpec, DSDT.aml");␊
834␉}␊
835␊
836␉// Load replacement DSDT␊
837␉new_dsdt = loadACPITable(dirSpec);␊
838␊
839␉/* Try using the file specified with the HPET option */␊
840␉if (getValueForKey(kHPET, &filename, &len, &bootInfo->chameleonConfig)) {␊
841␉␉snprintf(dirSpec, sizeof(dirSpec), filename);␊
842␉} else {␊
843␉␉sprintf(dirSpec, "HPET.aml");␊
844␉}␊
845␉// Load replacement HPET␊
846␉new_hpet = loadACPITable(dirSpec);␊
847␊
848␉/* Try using the file specified with the SBST option */␊
849␉if (getValueForKey(kSBST, &filename, &len, &bootInfo->chameleonConfig)) {␊
850␉␉snprintf(dirSpec, sizeof(dirSpec), filename);␊
851␉} else {␊
852␉␉sprintf(dirSpec, "SBST.aml");␊
853␉}␊
854␉// Load replacement SBST␊
855␉new_sbst = loadACPITable(dirSpec);␊
856␊
857␉/* Try using the file specified with the ECDT option */␊
858␉if (getValueForKey(kECDT, &filename, &len, &bootInfo->chameleonConfig)) {␊
859␉␉snprintf(dirSpec, sizeof(dirSpec), filename);␊
860␉} else {␊
861␉␉sprintf(dirSpec, "ECDT.aml");␊
862␉}␊
863␉// Load replacement ECDT␊
864␉new_ecdt = loadACPITable(dirSpec);␊
865␊
866␉/* Try using the file specified with the ASF! option */␊
867␉if (getValueForKey(kASFT, &filename, &len, &bootInfo->chameleonConfig)) {␊
868␉␉snprintf(dirSpec, sizeof(dirSpec), filename);␊
869␉} else {␊
870␉␉sprintf(dirSpec, "ASFT.aml");␊
871␉}␊
872␉// Load replacement ASF!␊
873␉new_asft = loadACPITable(dirSpec);␊
874␊
875␉/* Try using the file specified with the DMAR option */␊
876␉if (getValueForKey(kDMAR, &filename, &len, &bootInfo->chameleonConfig)) {␊
877␉␉snprintf(dirSpec, sizeof(dirSpec), filename);␊
878␉} else {␊
879␉␉sprintf(dirSpec, "DMAR.aml");␊
880␉}␊
881␉// Load replacement DMAR␊
882␉new_dmar = loadACPITable(dirSpec);␊
883␊
884␉/* Try using the file specified with the APIC option */␊
885␉if (getValueForKey(kAPIC, &filename, &len, &bootInfo->chameleonConfig)) {␊
886␉␉snprintf(dirSpec, sizeof(dirSpec), filename);␊
887␉} else {␊
888␉␉sprintf(dirSpec, "APIC.aml");␊
889␉}␊
890␉// Load replacement APIC␊
891␉new_apic = loadACPITable(dirSpec);␊
892␊
893␉// Try using the file specified with the MCFG option */␊
894␉if (getValueForKey(kMCFG, &filename, &len, &bootInfo->chameleonConfig)) {␊
895␉␉snprintf(dirSpec, sizeof(dirSpec), filename);␊
896␉} else {␊
897␉␉sprintf(dirSpec, "MCFG.aml");␊
898␉}␊
899␉// Load replacement MCFG␊
900␉new_mcfg = loadACPITable(dirSpec);␊
901␊
902␉// Mozodojo: going to patch FACP and load SSDT's even if DSDT.aml is not present␊
903␉/*if (!new_dsdt)␊
904␉ {␊
905␉ return setupAcpiNoMod();␊
906␉ }*/␊
907␊
908␉// Mozodojo: Load additional SSDTs␊
909␉struct acpi_2_ssdt *new_ssdt[32]; // 30 + 2 additional tables for pss & cst␊
910␉int ssdt_count=0;␊
911␊
912␉// SSDT Options␊
913␉bool drop_ssdt=false, generate_pstates=false, generate_cstates=false;␊
914␊
915␊
916␉// ACPI Tables␊
917␉bool drop_dmar = getBoolForKey(kDropDMAR, &drop_dmar, &bootInfo->chameleonConfig);␊
918␉bool drop_hpet = getBoolForKey(kDropHPET, &drop_hpet, &bootInfo->chameleonConfig);␊
919␉bool drop_slic = getBoolForKey(kDropSLIC, &drop_slic, &bootInfo->chameleonConfig);␊
920␉bool drop_sbst = getBoolForKey(kDropSBST, &drop_sbst, &bootInfo->chameleonConfig);␊
921␉bool drop_ecdt = getBoolForKey(kDropECDT, &drop_ecdt, &bootInfo->chameleonConfig);␊
922␉bool drop_asft = getBoolForKey(kDropASFT, &drop_asft, &bootInfo->chameleonConfig);␊
923␉getBoolForKey(kDropSSDT, &drop_ssdt, &bootInfo->chameleonConfig);␊
924␉getBoolForKey(kGeneratePStates, &generate_pstates, &bootInfo->chameleonConfig);␊
925␉getBoolForKey(kGenerateCStates, &generate_cstates, &bootInfo->chameleonConfig);␊
926␉//getBoolForKey(kGenerateTStates, &generate_tstates, &bootInfo->chameleonConfig);␊
927␊
928␉DBG("Generating P-States config: %s\n", generate_pstates ? "YES" : "NO");␊
929␉DBG("Generating C-States config: %s\n", generate_cstates ? "YES" : "NO");␊
930␉//DBG("Generating T-States config: %s\n", generate_tstates ? "YES" : "NO");␊
931␊
932␉{␊
933␉␉int i;␊
934␊
935␉␉for (i = 0; i < 30; i++)␊
936␉␉{␊
937␉␉␉char filename[512];␊
938␊
939␉␉␉sprintf(filename, i > 0 ? "SSDT-%d.aml" : "SSDT.aml", i);␊
940␊
941␉␉␉if ( (new_ssdt[ssdt_count] = loadACPITable(filename)) ) {␊
942␉␉␉␉ssdt_count++;␊
943␉␉␉} else {␊
944␉␉␉␉break;␊
945␉␉␉}␊
946␉␉}␊
947␉}␊
948␊
949␉// Do the same procedure for both versions of ACPI␊
950␉for (version = 0; version < 2; version++) {␊
951␉␉struct acpi_2_rsdp *rsdp, *rsdp_mod;␊
952␉␉struct acpi_2_rsdt *rsdt, *rsdt_mod;␊
953␉␉int rsdplength;␊
954␊
955␉␉// Find original rsdp␊
956␉␉rsdp=(struct acpi_2_rsdp *)(version ? getAddressOfAcpi20Table() : getAddressOfAcpiTable());␊
957␉␉if (!rsdp) {␊
958␉␉␉DBG("No ACPI version %d found. Ignoring\n", version+1);␊
959␉␉␉if (version) {␊
960␉␉␉␉addConfigurationTable(&gEfiAcpi20TableGuid, NULL, "ACPI_20");␊
961␉␉␉} else {␊
962␉␉␉␉addConfigurationTable(&gEfiAcpiTableGuid, NULL, "ACPI");␊
963␉␉␉}␊
964␉␉␉continue;␊
965␉␉}␊
966␉␉rsdplength=version ? rsdp->Length : 20;␊
967␊
968␉␉DBG("RSDP version %d found @%x. Length=%d\n",version+1,rsdp,rsdplength);␊
969␊
970␉␉/* FIXME: no check that memory allocation succeeded ␊
971␉␉ * Copy and patch RSDP,RSDT, XSDT and FADT␊
972␉␉ * For more info see ACPI Specification pages 110 and following␊
973␉␉ */␊
974␊
975␉␉rsdp_mod=(struct acpi_2_rsdp *) AllocateKernelMemory(rsdplength);␊
976␉␉memcpy(rsdp_mod, rsdp, rsdplength);␊
977␊
978␉␉rsdt=(struct acpi_2_rsdt *)(rsdp->RsdtAddress);␊
979␊
980␉␉DBG("RSDT @%x, Length %d\n",rsdt, rsdt->Length);␊
981␉␉␊
982␉␉if (rsdt && (uint32_t)rsdt !=0xffffffff && rsdt->Length<0x10000) {␊
983␉␉␉uint32_t *rsdt_entries;␊
984␉␉␉int rsdt_entries_num;␊
985␉␉␉int dropoffset=0, i;␊
986␊
987␉␉␉// mozo: using malloc cos I didn't found how to free already allocated kernel memory␊
988␉␉␉rsdt_mod=(struct acpi_2_rsdt *)malloc(rsdt->Length); ␊
989␉␉␉memcpy (rsdt_mod, rsdt, rsdt->Length);␊
990␉␉␉rsdp_mod->RsdtAddress=(uint32_t)rsdt_mod;␊
991␉␉␉rsdt_entries_num=(rsdt_mod->Length-sizeof(struct acpi_2_rsdt))/4;␊
992␉␉␉rsdt_entries=(uint32_t *)(rsdt_mod+1);␊
993␉␉␉for (i=0;i<rsdt_entries_num;i++) {␊
994␉␉␉␉char *table=(char *)(rsdt_entries[i]);␊
995␉␉␉␉if (!table) {␊
996␉␉␉␉␉continue;␊
997␉␉␉␉}␊
998␊
999␉␉␉␉DBG("TABLE %c%c%c%c,",table[0],table[1],table[2],table[3]);␊
1000␊
1001␉␉␉␉rsdt_entries[i-dropoffset]=rsdt_entries[i];␊
1002␊
1003␉␉␉␉if (drop_ssdt && tableSign(table, "SSDT")) {␊
1004␉␉␉␉␉DBG("OEM SSDT tables was dropped\n");␊
1005␉␉␉␉␉dropoffset++;␊
1006␉␉␉␉␉continue;␊
1007␉␉␉␉}␊
1008␊
1009␉␉␉␉if (drop_hpet && tableSign(table, "HPET")) {␊
1010␉␉␉␉␉DBG("OEM HPET table was dropped\n");␊
1011␉␉␉␉␉dropoffset++;␊
1012␉␉␉␉␉continue;␊
1013␉␉␉␉}␉␉␉␊
1014␊
1015␉␉␉␉if (drop_slic && tableSign(table, "SLIC")) {␊
1016␉␉␉␉␉DBG("OEM SLIC table was dropped\n");␊
1017␉␉␉␉␉dropoffset++;␊
1018␉␉␉␉␉continue;␊
1019␉␉␉␉}␊
1020␊
1021␉␉␉␉if (drop_sbst && tableSign(table, "SBST")) {␊
1022␉␉␉␉␉DBG("OEM SBST table was dropped\n");␊
1023␉␉␉␉␉dropoffset++;␊
1024␉␉␉␉␉continue;␊
1025␉␉␉␉}␊
1026␊
1027␉␉␉␉if (drop_ecdt && tableSign(table, "ECDT")) {␊
1028␉␉␉␉␉DBG("OEM ECDT table was dropped\n");␊
1029␉␉␉␉␉dropoffset++;␊
1030␉␉␉␉␉continue;␊
1031␉␉␉␉}␊
1032␊
1033␉␉␉␉if (drop_asft && tableSign(table, "ASF!")) {␊
1034␉␉␉␉␉DBG("OEM ASF! table was dropped\n");␊
1035␉␉␉␉␉dropoffset++;␊
1036␉␉␉␉␉continue;␊
1037␉␉␉␉}␊
1038␊
1039␉␉␉␉if (drop_dmar && tableSign(table, "DMAR")) {␊
1040␉␉␉␉␉DBG("OEM DMAR table was dropped\n");␊
1041␉␉␉␉␉dropoffset++;␊
1042␉␉␉␉␉continue;␊
1043␉␉␉␉}␊
1044␊
1045␉␉␉␉if (tableSign(table, "HPET")) {␊
1046␉␉␉␉␉DBG("HPET found\n");␊
1047␉␉␉␉␉DBG("Custom HPET table was found\n");␊
1048␉␉␉␉␉if(new_hpet) {␊
1049␉␉␉␉␉␉rsdt_entries[i-dropoffset]=(uint32_t)new_hpet;␊
1050␉␉␉␉␉}␊
1051␉␉␉␉␉continue;␊
1052␉␉␉␉}␊
1053␊
1054␉␉␉␉if (tableSign(table, "SBST")) {␊
1055␉␉␉␉␉DBG("SBST found\n");␊
1056␉␉␉␉␉DBG("Custom SBST table was found\n");␊
1057␉␉␉␉␉if(new_sbst) {␊
1058␉␉␉␉␉␉rsdt_entries[i-dropoffset]=(uint32_t)new_sbst;␊
1059␉␉␉␉␉}␊
1060␉␉␉␉␉continue;␊
1061␉␉␉␉}␊
1062␊
1063␉␉␉␉if (tableSign(table, "ECDT")) {␊
1064␉␉␉␉␉DBG("ECDT found\n");␊
1065␉␉␉␉␉DBG("Custom ECDT table was found\n");␊
1066␉␉␉␉␉if(new_ecdt) {␊
1067␉␉␉␉␉␉rsdt_entries[i-dropoffset]=(uint32_t)new_ecdt;␊
1068␉␉␉␉␉}␊
1069␉␉␉␉␉continue;␊
1070␉␉␉␉}␊
1071␊
1072␉␉␉␉if (tableSign(table, "ASF!")) {␊
1073␉␉␉␉␉DBG("ASF! found\n");␊
1074␉␉␉␉␉DBG("Custom ASF! table was found\n");␊
1075␉␉␉␉␉if(new_asft) {␊
1076␉␉␉␉␉␉rsdt_entries[i-dropoffset]=(uint32_t)new_asft;␊
1077␉␉␉␉␉}␊
1078␉␉␉␉␉continue;␊
1079␉␉␉␉}␊
1080␊
1081␉␉␉␉if (tableSign(table, "DMAR")) {␊
1082␉␉␉␉␉DBG("DMAR found\n");␊
1083␉␉␉␉␉DBG("Custom DMAR table was found\n");␊
1084␉␉␉␉␉if(new_dmar) {␊
1085␉␉␉␉␉␉rsdt_entries[i-dropoffset]=(uint32_t)new_dmar;␊
1086␉␉␉␉␉}␊
1087␉␉␉␉␉continue;␊
1088␉␉␉␉}␊
1089␊
1090␉␉␉␉if (tableSign(table, "APIC")) {␊
1091␉␉␉␉␉DBG("APIC found\n");␊
1092␉␉␉␉␉DBG("Custom APIC table was found\n");␊
1093␉␉␉␉␉if(new_apic) {␊
1094␉␉␉␉␉␉rsdt_entries[i-dropoffset]=(uint32_t)new_apic;␊
1095␉␉␉␉␉}␊
1096␉␉␉␉␉continue;␊
1097␉␉␉␉}␊
1098␊
1099␉␉␉␉if (tableSign(table, "MCFG")) {␊
1100␉␉␉␉␉DBG("MCFG found\n");␊
1101␉␉␉␉␉DBG("Custom MCFG table was found\n");␊
1102␉␉␉␉␉if(new_mcfg) {␊
1103␉␉␉␉␉␉rsdt_entries[i-dropoffset]=(uint32_t)new_mcfg;␊
1104␉␉␉␉␉}␊
1105␊
1106␉␉␉␉␉continue;␊
1107␉␉␉␉}␊
1108␉␉␉␉if (tableSign(table, "DSDT")) {␊
1109␉␉␉␉␉DBG("DSDT found\n");␊
1110␉␉␉␉␉DBG("Custom DSDT table was found\n");␊
1111␉␉␉␉␉if(new_dsdt) {␊
1112␉␉␉␉␉␉rsdt_entries[i-dropoffset]=(uint32_t)new_dsdt;␊
1113␉␉␉␉␉}␊
1114␉␉␉␉␉continue;␊
1115␉␉␉␉}␊
1116␊
1117␉␉␉␉if (tableSign(table, "FACP")) {␊
1118␉␉␉␉␉struct acpi_2_fadt *fadt, *fadt_mod;␊
1119␉␉␉␉␉fadt=(struct acpi_2_fadt *)rsdt_entries[i];␊
1120␊
1121␉␉␉␉␉DBG("FADT found @%x, Length %d\n",fadt, fadt->Length);␊
1122␊
1123␉␉␉␉␉if (!fadt || (uint32_t)fadt == 0xffffffff || fadt->Length>0x10000) {␊
1124␉␉␉␉␉␉DBG("FADT incorrect. Not modified\n");␊
1125␉␉␉␉␉␉continue;␊
1126␉␉␉␉␉}␊
1127␉␉␉␉␉␊
1128␉␉␉␉␉fadt_mod = patch_fadt(fadt, new_dsdt);␊
1129␉␉␉␉␉rsdt_entries[i-dropoffset]=(uint32_t)fadt_mod;␊
1130␉␉␉␉␉␊
1131␉␉␉␉␉// Generate _CST SSDT␊
1132␉␉␉␉␉if (generate_cstates && (new_ssdt[ssdt_count] = generate_cst_ssdt(fadt_mod))) {␊
1133␉␉␉␉␉␉DBG("C-States generated\n");␊
1134␉␉␉␉␉␉generate_cstates = false; // Generate SSDT only once!␊
1135␉␉␉␉␉␉ssdt_count++;␊
1136␉␉␉␉␉}␊
1137␊
1138␉␉␉␉␉// Generating _PSS SSDT␊
1139␉␉␉␉␉if (generate_pstates && (new_ssdt[ssdt_count] = generate_pss_ssdt((void*)fadt_mod->DSDT))) {␊
1140␉␉␉␉␉␉DBG("P-States generated\n");␊
1141␉␉␉␉␉␉generate_pstates = false; // Generate SSDT only once!␊
1142␉␉␉␉␉␉ssdt_count++;␊
1143␉␉␉␉␉}␊
1144␉␉␉␉␉continue;␊
1145␉␉␉␉}␊
1146␉␉␉}␊
1147␉␉␉DBG("\n");␊
1148␊
1149␉␉␉// Allocate rsdt in Kernel memory area␊
1150␉␉␉rsdt_mod->Length += 4*ssdt_count - 4*dropoffset;␊
1151␉␉␉struct acpi_2_rsdt *rsdt_copy = (struct acpi_2_rsdt *)AllocateKernelMemory(rsdt_mod->Length);␊
1152␉␉␉memcpy (rsdt_copy, rsdt_mod, rsdt_mod->Length);␊
1153␉␉␉free(rsdt_mod); rsdt_mod = rsdt_copy;␊
1154␉␉␉rsdp_mod->RsdtAddress=(uint32_t)rsdt_mod;␊
1155␉␉␉rsdt_entries_num=(rsdt_mod->Length-sizeof(struct acpi_2_rsdt))/4;␊
1156␉␉␉rsdt_entries=(uint32_t *)(rsdt_mod+1);␊
1157␊
1158␉␉␉// Mozodojo: Insert additional SSDTs into RSDT␊
1159␉␉␉if(ssdt_count > 0) {␊
1160␉␉␉␉int j;␊
1161␊
1162␉␉␉␉for (j=0; j<ssdt_count; j++) {␊
1163␉␉␉␉␉rsdt_entries[i-dropoffset+j]=(uint32_t)new_ssdt[j];␊
1164␉␉␉␉}␊
1165␉␉␉␉DBG("RSDT: Added %d SSDT table(s)\n", ssdt_count);␊
1166␊
1167␉␉␉}␊
1168␊
1169␉␉␉// Correct the checksum of RSDT␊
1170␉␉␉DBG("RSDT: Original checksum %d, ", rsdt_mod->Checksum);␊
1171␊
1172␉␉␉rsdt_mod->Checksum=0;␊
1173␉␉␉rsdt_mod->Checksum=256-checksum8(rsdt_mod,rsdt_mod->Length);␊
1174␊
1175␉␉␉DBG("New checksum %d at %x\n", rsdt_mod->Checksum,rsdt_mod);␊
1176␉␉} else {␊
1177␉␉␉rsdp_mod->RsdtAddress=0;␊
1178␉␉␉DBG("RSDT not found or RSDT incorrect\n");␊
1179␉␉}␊
1180␉␉DBG("\n");␊
1181␊
1182␉␉if (version) {␊
1183␉␉␉struct acpi_2_xsdt *xsdt, *xsdt_mod;␊
1184␊
1185␉␉␉// FIXME: handle 64-bit address correctly␊
1186␊
1187␉␉␉xsdt=(struct acpi_2_xsdt*) ((uint32_t)rsdp->XsdtAddress);␊
1188␉␉␉DBG("XSDT @%x;%x, Length=%d Sign=%c%c%c%c\n", (uint32_t)(rsdp->XsdtAddress>>32),␊
1189␉␉␉␉(uint32_t)rsdp->XsdtAddress, xsdt->Length, xsdt[0], xsdt[1], xsdt[2], xsdt[3]);␊
1190␉␉␉if (xsdt && (uint64_t)rsdp->XsdtAddress<0xffffffff && xsdt->Length<0x10000) {␊
1191␉␉␉␉uint64_t *xsdt_entries;␊
1192␉␉␉␉int xsdt_entries_num, i;␊
1193␉␉␉␉int dropoffset=0;␊
1194␊
1195␉␉␉␉// mozo: using malloc cos I didn't found how to free already allocated kernel memory␊
1196␉␉␉␉xsdt_mod=(struct acpi_2_xsdt*)malloc(xsdt->Length); ␊
1197␉␉␉␉memcpy(xsdt_mod, xsdt, xsdt->Length);␊
1198␊
1199␉␉␉␉rsdp_mod->XsdtAddress=(uint32_t)xsdt_mod;␊
1200␉␉␉␉xsdt_entries_num=(xsdt_mod->Length-sizeof(struct acpi_2_xsdt))/8;␊
1201␉␉␉␉xsdt_entries=(uint64_t *)(xsdt_mod+1);␊
1202␉␉␉␉for (i=0;i<xsdt_entries_num;i++) {␊
1203␉␉␉␉␉char *table=(char *)((uint32_t)(xsdt_entries[i]));␊
1204␉␉␉␉␉if (!table) {␊
1205␉␉␉␉␉␉continue;␊
1206␉␉␉␉␉}␊
1207␉␉␉␉␉xsdt_entries[i-dropoffset]=xsdt_entries[i];␊
1208␊
1209␉␉␉␉␉if (drop_ssdt && tableSign(table, "SSDT")) {␊
1210␉␉␉␉␉␉verbose("OEM SSDT tables was dropped\n");␊
1211␉␉␉␉␉␉dropoffset++;␊
1212␉␉␉␉␉␉continue;␊
1213␉␉␉␉␉}␊
1214␊
1215␉␉␉␉␉if (drop_hpet && tableSign(table, "HPET")) {␊
1216␉␉␉␉␉␉verbose("OEM HPET table was dropped\n");␊
1217␉␉␉␉␉␉dropoffset++;␊
1218␉␉␉␉␉␉continue;␊
1219␉␉␉␉␉}␊
1220␊
1221␉␉␉␉␉if (drop_slic && tableSign(table, "SLIC")) {␊
1222␉␉␉␉␉␉verbose("OEM SLIC table was dropped\n");␊
1223␉␉␉␉␉␉dropoffset++;␊
1224␉␉␉␉␉␉continue;␊
1225␉␉␉␉␉}␊
1226␊
1227␉␉␉␉␉if (drop_sbst && tableSign(table, "SBST")) {␊
1228␉␉␉␉␉␉verbose("OEM SBST table was dropped\n");␊
1229␉␉␉␉␉␉dropoffset++;␊
1230␉␉␉␉␉␉continue;␊
1231␉␉␉␉␉}␊
1232␊
1233␉␉␉␉␉if (drop_ecdt && tableSign(table, "ECDT")) {␊
1234␉␉␉␉␉␉verbose("OEM ECDT table was dropped\n");␊
1235␉␉␉␉␉␉dropoffset++;␊
1236␉␉␉␉␉␉continue;␊
1237␉␉␉␉␉}␊
1238␊
1239␉␉␉␉␉if (drop_asft && tableSign(table, "ASF!")) {␊
1240␉␉␉␉␉␉verbose("OEM ASF! table was dropped\n");␊
1241␉␉␉␉␉␉dropoffset++;␊
1242␉␉␉␉␉␉continue;␊
1243␉␉␉␉␉}␊
1244␊
1245␉␉␉␉␉if (drop_dmar && tableSign(table, "DMAR")) {␊
1246␉␉␉␉␉␉verbose("OEM DMAR table was dropped\n");␊
1247␉␉␉␉␉␉dropoffset++;␊
1248␉␉␉␉␉␉continue;␊
1249␉␉␉␉␉}␊
1250␊
1251␉␉␉␉␉if (tableSign(table, "DSDT")) {␊
1252␉␉␉␉␉␉DBG("DSDT found\n");␊
1253␊
1254␉␉␉␉␉␉if (new_dsdt) {␊
1255␉␉␉␉␉␉␉xsdt_entries[i-dropoffset]=(uint32_t)new_dsdt;␊
1256␉␉␉␉␉␉}␊
1257␊
1258␉␉␉␉␉␉DBG("TABLE %c%c%c%c@%x \n", table[0],table[1],table[2],table[3],xsdt_entries[i]);␊
1259␊
1260␉␉␉␉␉␉continue;␊
1261␉␉␉␉␉}␊
1262␊
1263␉␉␉␉␉if (tableSign(table, "HPET")) {␊
1264␉␉␉␉␉␉DBG("HPET found\n");␊
1265␊
1266␉␉␉␉␉␉if (new_hpet) {␊
1267␉␉␉␉␉␉␉xsdt_entries[i-dropoffset]=(uint32_t)new_hpet;␊
1268␉␉␉␉␉␉}␊
1269␊
1270␉␉␉␉␉␉DBG("TABLE %c%c%c%c@%x \n", table[0],table[1],table[2],table[3],xsdt_entries[i]);␊
1271␊
1272␉␉␉␉␉␉continue;␊
1273␉␉␉␉␉}␊
1274␊
1275␉␉␉␉␉if (tableSign(table, "SBST")) {␊
1276␉␉␉␉␉␉DBG("SBST found\n");␊
1277␊
1278␉␉␉␉␉␉if (new_sbst) {␊
1279␉␉␉␉␉␉␉xsdt_entries[i-dropoffset]=(uint32_t)new_sbst;␊
1280␉␉␉␉␉␉}␊
1281␊
1282␉␉␉␉␉␉DBG("TABLE %c%c%c%c@%x \n", table[0],table[1],table[2],table[3],xsdt_entries[i]);␊
1283␊
1284␉␉␉␉␉␉continue;␊
1285␉␉␉␉␉}␊
1286␊
1287␉␉␉␉␉if (tableSign(table, "ECDT")) {␊
1288␉␉␉␉␉␉DBG("ECDT found\n");␊
1289␊
1290␉␉␉␉␉␉if (new_ecdt) {␊
1291␉␉␉␉␉␉␉xsdt_entries[i-dropoffset]=(uint32_t)new_ecdt;␊
1292␉␉␉␉␉␉}␊
1293␊
1294␉␉␉␉␉␉DBG("TABLE %c%c%c%c@%x \n", table[0],table[1],table[2],table[3],xsdt_entries[i]);␊
1295␊
1296␉␉␉␉␉␉continue;␊
1297␉␉␉␉␉}␊
1298␊
1299␉␉␉␉␉if (tableSign(table, "ASF!")) {␊
1300␉␉␉␉␉␉DBG("ASF! found\n");␊
1301␊
1302␉␉␉␉␉␉if (new_asft) {␊
1303␉␉␉␉␉␉␉xsdt_entries[i-dropoffset]=(uint32_t)new_asft;␊
1304␉␉␉␉␉␉}␊
1305␊
1306␉␉␉␉␉␉DBG("TABLE %c%c%c%c@%x \n", table[0],table[1],table[2],table[3],xsdt_entries[i]);␊
1307␊
1308␉␉␉␉␉␉continue;␊
1309␉␉␉␉␉}␊
1310␊
1311␉␉␉␉␉if (tableSign(table, "DMAR")) {␊
1312␉␉␉␉␉␉DBG("DMAR found\n");␊
1313␊
1314␉␉␉␉␉␉if (new_dmar) {␊
1315␉␉␉␉␉␉␉xsdt_entries[i-dropoffset]=(uint32_t)new_dmar;␊
1316␉␉␉␉␉␉}␊
1317␊
1318␉␉␉␉␉␉DBG("TABLE %c%c%c%c@%x \n", table[0],table[1],table[2],table[3],xsdt_entries[i]);␊
1319␊
1320␉␉␉␉␉␉continue;␊
1321␉␉␉␉␉}␊
1322␊
1323␉␉␉␉␉if (tableSign(table, "APIC")) {␊
1324␉␉␉␉␉␉DBG("APIC found\n");␊
1325␊
1326␉␉␉␉␉␉if (new_apic) {␊
1327␉␉␉␉␉␉␉xsdt_entries[i-dropoffset]=(uint32_t)new_apic;␊
1328␉␉␉␉␉␉}␊
1329␊
1330␉␉␉␉␉␉DBG("TABLE %c%c%c%c@%x \n", table[0],table[1],table[2],table[3],xsdt_entries[i]);␊
1331␊
1332␉␉␉␉␉␉continue;␊
1333␉␉␉␉␉}␊
1334␊
1335␉␉␉␉␉if (tableSign(table, "MCFG")) {␊
1336␉␉␉␉␉␉DBG("MCFG found\n");␊
1337␊
1338␉␉␉␉␉␉if (new_mcfg) {␊
1339␉␉␉␉␉␉␉xsdt_entries[i-dropoffset]=(uint32_t)new_mcfg;␊
1340␉␉␉␉␉␉}␊
1341␊
1342␉␉␉␉␉␉DBG("TABLE %c%c%c%c@%x \n", table[0],table[1],table[2],table[3],xsdt_entries[i]);␊
1343␊
1344␉␉␉␉␉␉continue;␊
1345␉␉␉␉␉}␊
1346␊
1347␉␉␉␉␉if (tableSign(table, "FACP")) {␊
1348␉␉␉␉␉␉struct acpi_2_fadt *fadt, *fadt_mod;␊
1349␉␉␉␉␉␉fadt=(struct acpi_2_fadt *)(uint32_t)xsdt_entries[i];␊
1350␊
1351␉␉␉␉␉␉DBG("FADT found @%x%x, Length %d\n",(uint32_t)(xsdt_entries[i]>>32),fadt, ␊
1352␉␉␉␉␉␉␉fadt->Length);␊
1353␊
1354␉␉␉␉␉␉if (!fadt || (uint64_t)xsdt_entries[i] >= 0xffffffff || fadt->Length>0x10000) {␊
1355␉␉␉␉␉␉␉DBG("FADT incorrect or after 4GB. Dropping XSDT\n");␊
1356␉␉␉␉␉␉␉goto drop_xsdt;␊
1357␉␉␉␉␉␉}␊
1358␊
1359␉␉␉␉␉␉fadt_mod = patch_fadt(fadt, new_dsdt);␊
1360␉␉␉␉␉␉xsdt_entries[i-dropoffset]=(uint32_t)fadt_mod;␊
1361␊
1362␉␉␉␉␉␉// DBG("TABLE %c%c%c%c@%x \n", table[0],table[1],table[2],table[3],xsdt_entries[i]);␊
1363␊
1364␉␉␉␉␉␉// Generate _CST SSDT␊
1365␉␉␉␉␉␉if (generate_cstates && (new_ssdt[ssdt_count] = generate_cst_ssdt(fadt_mod))) {␊
1366␉␉␉␉␉␉␉DBG("C-States generated\n");␊
1367␉␉␉␉␉␉␉generate_cstates = false; // Generate SSDT only once!␊
1368␉␉␉␉␉␉␉ssdt_count++;␊
1369␉␉␉␉␉␉}␊
1370␊
1371␉␉␉␉␉␉// Generating _PSS SSDT␊
1372␉␉␉␉␉␉if (generate_pstates && (new_ssdt[ssdt_count] = generate_pss_ssdt((void*)fadt_mod->DSDT))) {␊
1373␉␉␉␉␉␉␉DBG("P-States generated\n");␊
1374␉␉␉␉␉␉␉generate_pstates = false; // Generate SSDT only once!␊
1375␉␉␉␉␉␉␉ssdt_count++;␊
1376␉␉␉␉␉␉}␊
1377␊
1378␉␉␉␉␉␉// Generating _TSS SSDT␊
1379␉␉␉␉␉␉/*if (generate_tstates && (new_ssdt[ssdt_count] = generate_tss_ssdt((void*)fadt_mod->DSDT)))␊
1380␉␉␉␉␉␉{␊
1381␉␉␉␉␉␉␉generate_tstates = false; // Generate SSDT only once!␊
1382␉␉␉␉␉␉␉ssdt_count++;␊
1383␉␉␉␉␉␉}*/␊
1384␉␉␉␉␉␉continue;␊
1385␉␉␉␉␉}␊
1386␊
1387␉␉␉␉␉DBG("TABLE %c%c%c%c@%x \n", table[0],table[1],table[2],table[3],xsdt_entries[i]);␊
1388␊
1389␉␉␉␉}␊
1390␊
1391␉␉␉␉// Allocate xsdt in Kernel memory area␊
1392␉␉␉␉xsdt_mod->Length += 8*ssdt_count - 8*dropoffset;␊
1393␉␉␉␉struct acpi_2_xsdt *xsdt_copy = (struct acpi_2_xsdt *)AllocateKernelMemory(xsdt_mod->Length);␊
1394␉␉␉␉memcpy(xsdt_copy, xsdt_mod, xsdt_mod->Length);␊
1395␉␉␉␉free(xsdt_mod); xsdt_mod = xsdt_copy;␊
1396␉␉␉␉rsdp_mod->XsdtAddress=(uint32_t)xsdt_mod;␊
1397␉␉␉␉xsdt_entries_num=(xsdt_mod->Length-sizeof(struct acpi_2_xsdt))/8;␊
1398␉␉␉␉xsdt_entries=(uint64_t *)(xsdt_mod+1);␊
1399␊
1400␉␉␉␉// Mozodojo: Insert additional SSDTs into XSDT␊
1401␉␉␉␉if(ssdt_count > 0) {␊
1402␉␉␉␉␉int j;␊
1403␊
1404␉␉␉␉␉for (j=0; j<ssdt_count; j++) {␊
1405␉␉␉␉␉␉xsdt_entries[i-dropoffset+j]=(uint32_t)new_ssdt[j];␊
1406␉␉␉␉␉}␊
1407␊
1408␉␉␉␉␉verbose("Added %d SSDT table(s) into XSDT\n", ssdt_count);␊
1409␉␉␉␉}␊
1410␊
1411␉␉␉␉// Correct the checksum of XSDT␊
1412␉␉␉␉xsdt_mod->Checksum=0;␊
1413␉␉␉␉xsdt_mod->Checksum=256-checksum8(xsdt_mod,xsdt_mod->Length);␊
1414␉␉␉} else {␊
1415␉␉␉drop_xsdt:␊
1416␊
1417␉␉␉␉DBG("About to drop XSDT\n");␊
1418␊
1419␉␉␉␉/*FIXME: Now we just hope that if MacOS doesn't find XSDT it reverts to RSDT. ␊
1420␉␉␉␉ * A Better strategy would be to generate␊
1421␉␉␉␉ */␊
1422␊
1423␉␉␉␉rsdp_mod->XsdtAddress=0xffffffffffffffffLL;␊
1424␉␉␉␉verbose("XSDT not found or XSDT incorrect\n");␊
1425␉␉␉}␊
1426␉␉}␊
1427␉␉DBG("\n");␊
1428␊
1429␉␉// Correct the checksum of RSDP␊
1430␊
1431␉␉DBG("RSDP: Original checksum %d, ", rsdp_mod->Checksum);␊
1432␉␉rsdp_mod->Checksum=0;␊
1433␉␉rsdp_mod->Checksum=256-checksum8(rsdp_mod,20);␊
1434␉␉DBG("New checksum %d\n", rsdp_mod->Checksum);␊
1435␊
1436␉␉if (version) {␊
1437␉␉␉DBG("RSDP: Original extended checksum %d, ", rsdp_mod->ExtendedChecksum);␊
1438␉␉␉rsdp_mod->ExtendedChecksum=0;␊
1439␉␉␉rsdp_mod->ExtendedChecksum=256-checksum8(rsdp_mod,rsdp_mod->Length);␊
1440␉␉␉DBG("New extended checksum %d\n", rsdp_mod->ExtendedChecksum);␊
1441␉␉}␊
1442␊
1443␉␉if (version)␊
1444␉␉{␊
1445␉␉␉/* XXX aserebln why uint32 cast if pointer is uint64 ? */␊
1446␉␉␉acpi20_p = (uint64_t)(uint32_t)rsdp_mod;␊
1447␉␉␉addConfigurationTable(&gEfiAcpi20TableGuid, &acpi20_p, "ACPI_20");␊
1448␉␉}␊
1449␉␉else␊
1450␉␉{␊
1451␉␉␉/* XXX aserebln why uint32 cast if pointer is uint64 ? */␊
1452␉␉␉acpi10_p = (uint64_t)(uint32_t)rsdp_mod;␊
1453␉␉␉addConfigurationTable(&gEfiAcpiTableGuid, &acpi10_p, "ACPI");␊
1454␉␉}␊
1455␉␉DBG("ACPI version %d patching finished\n\n", version+1);␊
1456␉}␊
1457#if DEBUG_ACPI␊
1458␉printf("Press a key to continue... (DEBUG_ACPI)\n");␊
1459␉getchar();␊
1460#endif␊
1461␉return 1;␊
1462}␊
1463

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