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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␉const char * dirspec=NULL;␊
130␊
131␉int fd = search_and_get_acpi_fd(filename, &dirspec);␊
132␊
133␉if (fd>=0)␊
134␉{␊
135␉␉void *tableAddr = (void*)AllocateKernelMemory(file_size (fd));␊
136␉␉if (tableAddr)␊
137␉␉{␊
138␉␉␉if (read (fd, tableAddr, file_size (fd))!=file_size (fd))␊
139␉␉␉{␊
140␉␉␉␉DBG("Couldn't read table %s\n",dirspec);␊
141␉␉␉␉free (tableAddr);␊
142␉␉␉␉close (fd);␊
143␉␉␉␉return NULL;␊
144␉␉␉}␊
145␊
146␉␉␉DBG("Table %s read and stored at: %x\n", dirspec, tableAddr);␊
147␉␉␉close (fd);␊
148␉␉␉return tableAddr;␊
149␉␉}␊
150␉␉close (fd);␊
151␉␉DBG("Couldn't allocate memory for table \n", dirspec);␊
152␉} ␊
153␉//printf("Couldn't find table %s\n", filename);␊
154␉return NULL;␊
155}␊
156␊
157uint8_t␉acpi_cpu_count = 0;␊
158char* acpi_cpu_name[32];␊
159uint32_t acpi_cpu_p_blk = 0;␊
160␊
161void get_acpi_cpu_names(unsigned char* dsdt, uint32_t length)␊
162{␊
163␉uint32_t i;␊
164␊
165␉DBG("Start finding cpu names. length %d\n", length);␊
166␊
167␉for (i=0; i<length-7; i++) ␊
168␉{␊
169␉␉if (dsdt[i] == 0x5B && dsdt[i+1] == 0x83) // ProcessorOP␊
170␉␉{␊
171␉␉␉DBG("DSDT: %x%x\n", dsdt[i], dsdt[i+1]);␊
172␊
173␉␉␉uint32_t offset = i + 3 + (dsdt[i+2] >> 6);␊
174␊
175␉␉␉bool add_name = true;␊
176␊
177␉␉␉uint8_t j;␊
178␊
179␉␉␉for (j=0; j<4; j++) ␊
180␉␉␉{␊
181␉␉␉␉char c = dsdt[offset+j];␊
182␊
183␉␉␉␉if (!aml_isvalidchar(c))␊
184␉␉␉␉{␊
185␉␉␉␉␉add_name = false;␊
186␉␉␉␉␉DBG("Invalid character found in ProcessorOP 0x%x!\n", c);␊
187␉␉␉␉␉break;␊
188␉␉␉␉}␊
189␉␉␉}␊
190␊
191␉␉␉if (add_name)␊
192␉␉␉{␊
193␉␉␉␉acpi_cpu_name[acpi_cpu_count] = malloc(4);␊
194␉␉␉␉memcpy(acpi_cpu_name[acpi_cpu_count], dsdt+offset, 4);␊
195␉␉␉␉i = offset + 5;␊
196␊
197␉␉␉␉if (acpi_cpu_count == 0)␊
198␉␉␉␉␉acpi_cpu_p_blk = dsdt[i] | (dsdt[i+1] << 8);␊
199␊
200␉␉␉␉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]);␊
201␊
202␉␉␉␉if (++acpi_cpu_count == 32) {␊
203␉␉␉␉␉return;␊
204␉␉␉␉}␊
205␉␉␉}␊
206␉␉}␊
207␉}␊
208␊
209␉DBG("End finding cpu names: cpu names found: %d\n", acpi_cpu_count);␊
210}␊
211␊
212struct acpi_2_ssdt *generate_cst_ssdt(struct acpi_2_fadt* fadt)␊
213{␊
214␉static char const ssdt_header[] = // cst_ssdt_header␊
215␉{␊
216␉␉0x53, 0x53, 0x44, 0x54, 0xE7, 0x00, 0x00, 0x00, /* SSDT.... */␊
217␉␉0x01, 0x17, 0x50, 0x6D, 0x52, 0x65, 0x66, 0x41, /* ..PmRefA */␊
218␉␉0x43, 0x70, 0x75, 0x43, 0x73, 0x74, 0x00, 0x00, /* CpuCst.. */␊
219␉␉0x00, 0x10, 0x00, 0x00, 0x49, 0x4E, 0x54, 0x4C, /* ....INTL */␊
220␉␉0x31, 0x03, 0x10, 0x20␉␉␉␉␉␉␉/* 1.._␉␉*/␊
221␉};␊
222␉␊
223␉char resource_template_register_fixedhw[] =␊
224␉{␊
225␉␉0x11, 0x14, 0x0A, 0x11, 0x82, 0x0C, 0x00, 0x7F,␊
226␉␉0x01, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,␊
227␉␉0x00, 0x00, 0x01, 0x79, 0x00␊
228␉};␊
229␊
230␉char resource_template_register_systemio[] =␊
231␉{␊
232␉␉0x11, 0x14, 0x0A, 0x11, 0x82, 0x0C, 0x00, 0x01,␊
233␉␉0x08, 0x00, 0x00, 0x15, 0x04, 0x00, 0x00, 0x00,␊
234␉␉0x00, 0x00, 0x00, 0x79, 0x00,␊
235␉};␊
236␊
237␉if (Platform.CPU.Vendor != 0x756E6547) {␊
238␉␉DBG("Not an Intel platform: C-States will not be generated !!!\n");␊
239␉␉return NULL;␊
240␉}␊
241␊
242␉if (fadt == NULL) {␊
243␉␉DBG("FACP not exists: C-States will not be generated !!!\n");␊
244␉␉return NULL;␊
245␉}␊
246␊
247␉struct acpi_2_dsdt* dsdt = (void*)fadt->DSDT;␊
248␊
249␉if (dsdt == NULL) {␊
250␉␉DBG("DSDT not found: C-States will not be generated !!!\n");␊
251␉␉return NULL;␊
252␉}␊
253␊
254␉if (acpi_cpu_count == 0)␊
255␉␉get_acpi_cpu_names((void*)dsdt, dsdt->Length);␊
256␊
257␉if (acpi_cpu_count > 0)␊
258␉{␊
259␉␉bool c2_enabled = false;␊
260␉␉bool c3_enabled = false;␊
261␉␉bool c4_enabled = false;␊
262␉␉bool cst_using_systemio = false;␊
263␊
264␉␉getBoolForKey(kEnableC2State, &c2_enabled, &bootInfo->chameleonConfig);␊
265␉␉getBoolForKey(kEnableC3State, &c3_enabled, &bootInfo->chameleonConfig);␊
266␉␉getBoolForKey(kEnableC4State, &c4_enabled, &bootInfo->chameleonConfig);␊
267␉␉getBoolForKey(kCSTUsingSystemIO, &cst_using_systemio, &bootInfo->chameleonConfig);␊
268␊
269␉␉c2_enabled = c2_enabled | (fadt->C2_Latency < 100);␊
270␉␉c3_enabled = c3_enabled | (fadt->C3_Latency < 1000);␊
271␊
272␉␉unsigned char cstates_count = 1 + (c2_enabled ? 1 : 0) + (c3_enabled ? 1 : 0);␊
273␊
274␉␉AML_CHUNK* root = aml_create_node(NULL);␊
275␉␉aml_add_buffer(root, ssdt_header, sizeof(ssdt_header)); // SSDT header␊
276␉␉AML_CHUNK* scop = aml_add_scope(root, "\\_PR_");␊
277␉␉AML_CHUNK* name = aml_add_name(scop, "CST_");␊
278␉␉AML_CHUNK* pack = aml_add_package(name);␊
279␉␉aml_add_byte(pack, cstates_count);␊
280␊
281␉␉AML_CHUNK* tmpl = aml_add_package(pack);␊
282␉␉if (cst_using_systemio) {␊
283␉␉␉// C1␊
284␉␉␉resource_template_register_fixedhw[8] = 0x00;␊
285␉␉␉resource_template_register_fixedhw[9] = 0x00;␊
286␉␉␉resource_template_register_fixedhw[18] = 0x00;␊
287␉␉␉aml_add_buffer(tmpl, resource_template_register_fixedhw, sizeof(resource_template_register_fixedhw));␊
288␉␉␉aml_add_byte(tmpl, 0x01);␉␉// C1␊
289␉␉␉aml_add_word(tmpl, 0x0001);␉␉// Latency␊
290␉␉␉aml_add_dword(tmpl, 0x000003e8);␉// Power␊
291␊
292␉␉␉uint8_t p_blk_lo, p_blk_hi;␊
293␊
294␉␉␉if (c2_enabled) // C2␊
295␉␉␉{␊
296␉␉␉␉p_blk_lo = acpi_cpu_p_blk + 4;␊
297␉␉␉␉p_blk_hi = (acpi_cpu_p_blk + 4) >> 8;␊
298␊
299␉␉␉␉tmpl = aml_add_package(pack);␊
300␉␉␉␉resource_template_register_systemio[11] = p_blk_lo; // C2␊
301␉␉␉␉resource_template_register_systemio[12] = p_blk_hi; // C2␊
302␉␉␉␉aml_add_buffer(tmpl, resource_template_register_systemio, sizeof(resource_template_register_systemio));␊
303␉␉␉␉aml_add_byte(tmpl, 0x02);␉␉// C2␊
304␉␉␉␉aml_add_word(tmpl, 0x0040);␉␉// Latency␊
305␉␉␉␉aml_add_dword(tmpl, 0x000001f4);␉// Power␊
306␉␉␉}␊
307␊
308␉␉␉if (c4_enabled) // C4␊
309␉␉␉{␊
310␉␉␉␉p_blk_lo = acpi_cpu_p_blk + 5;␊
311␉␉␉␉p_blk_hi = (acpi_cpu_p_blk + 5) >> 8;␊
312␊
313␉␉␉␉tmpl = aml_add_package(pack);␊
314␉␉␉␉resource_template_register_systemio[11] = p_blk_lo; // C4␊
315␉␉␉␉resource_template_register_systemio[12] = p_blk_hi; // C4␊
316␉␉␉␉aml_add_buffer(tmpl, resource_template_register_systemio, sizeof(resource_template_register_systemio));␊
317␉␉␉␉aml_add_byte(tmpl, 0x04);␉␉// C4␊
318␉␉␉␉aml_add_word(tmpl, 0x0080);␉␉// Latency␊
319␉␉␉␉aml_add_dword(tmpl, 0x000000C8);␉// Power␊
320␉␉␉}␊
321␉␉␉else if (c3_enabled) // C3␊
322␉␉␉{␊
323␉␉␉␉p_blk_lo = acpi_cpu_p_blk + 5;␊
324␉␉␉␉p_blk_hi = (acpi_cpu_p_blk + 5) >> 8;␊
325␊
326␉␉␉␉tmpl = aml_add_package(pack);␊
327␉␉␉␉resource_template_register_systemio[11] = p_blk_lo; // C3␊
328␉␉␉␉resource_template_register_systemio[12] = p_blk_hi; // C3␊
329␉␉␉␉aml_add_buffer(tmpl, resource_template_register_systemio, sizeof(resource_template_register_systemio));␊
330␉␉␉␉aml_add_byte(tmpl, 0x03);␉␉// C3␊
331␉␉␉␉aml_add_word(tmpl, 0x0060);␉␉// Latency␊
332␉␉␉␉aml_add_dword(tmpl, 0x0000015e);␉// Power␊
333␉␉␉}␊
334␉␉}␊
335␉␉else␊
336␉␉{␊
337␉␉␉// C1␊
338␉␉␉resource_template_register_fixedhw[8] = 0x01;␊
339␉␉␉resource_template_register_fixedhw[9] = 0x02;␊
340␉␉␉resource_template_register_fixedhw[18] = 0x01;␊
341␊
342␉␉␉resource_template_register_fixedhw[11] = 0x00; // C1␊
343␉␉␉aml_add_buffer(tmpl, resource_template_register_fixedhw, sizeof(resource_template_register_fixedhw));␊
344␉␉␉aml_add_byte(tmpl, 0x01);␉␉// C1␊
345␉␉␉aml_add_word(tmpl, 0x0001);␉␉// Latency␊
346␉␉␉aml_add_dword(tmpl, 0x000003e8);␉// Power␊
347␊
348␉␉␉resource_template_register_fixedhw[18] = 0x03;␊
349␊
350␉␉␉if (c2_enabled) // C2␊
351␉␉␉{␊
352␉␉␉␉tmpl = aml_add_package(pack);␊
353␉␉␉␉resource_template_register_fixedhw[11] = 0x10; // C2␊
354␉␉␉␉aml_add_buffer(tmpl, resource_template_register_fixedhw, sizeof(resource_template_register_fixedhw));␊
355␉␉␉␉aml_add_byte(tmpl, 0x02);␉␉// C2␊
356␉␉␉␉aml_add_word(tmpl, 0x0040);␉␉// Latency␊
357␉␉␉␉aml_add_dword(tmpl, 0x000001f4);␉// Power␊
358␉␉␉}␊
359␊
360␉␉␉if (c4_enabled) // C4␊
361␉␉␉{␊
362␉␉␉␉tmpl = aml_add_package(pack);␊
363␉␉␉␉resource_template_register_fixedhw[11] = 0x30; // C4␊
364␉␉␉␉aml_add_buffer(tmpl, resource_template_register_fixedhw, sizeof(resource_template_register_fixedhw));␊
365␉␉␉␉aml_add_byte(tmpl, 0x04);␉␉// C4␊
366␉␉␉␉aml_add_word(tmpl, 0x0080);␉␉// Latency␊
367␉␉␉␉aml_add_dword(tmpl, 0x000000C8);␉// Power␊
368␉␉␉}␊
369␉␉␉else if (c3_enabled)␊
370␉␉␉{␊
371␉␉␉␉tmpl = aml_add_package(pack);␊
372␉␉␉␉resource_template_register_fixedhw[11] = 0x20; // C3␊
373␉␉␉␉aml_add_buffer(tmpl, resource_template_register_fixedhw, sizeof(resource_template_register_fixedhw));␊
374␉␉␉␉aml_add_byte(tmpl, 0x03);␉␉// C3␊
375␉␉␉␉aml_add_word(tmpl, 0x0060);␉␉// Latency␊
376␉␉␉␉aml_add_dword(tmpl, 0x0000015e);␉// Power␊
377␉␉␉}␊
378␉␉}␊
379␊
380␉␉// Aliaces␊
381␉␉int i;␊
382␉␉for (i = 0; i < acpi_cpu_count; i++) ␊
383␉␉{␊
384␉␉␉char name[9];␊
385␉␉␉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]);␊
386␊
387␉␉␉scop = aml_add_scope(root, name);␊
388␉␉␉␉aml_add_alias(scop, "CST_", "_CST");␊
389␉␉}␊
390␊
391␉␉aml_calculate_size(root);␊
392␊
393␉␉struct acpi_2_ssdt *ssdt = (struct acpi_2_ssdt *)AllocateKernelMemory(root->Size);␊
394␊
395␉␉aml_write_node(root, (void*)ssdt, 0);␊
396␊
397␉␉ssdt->Length = root->Size;␊
398␉␉ssdt->Checksum = 0;␊
399␉␉ssdt->Checksum = 256 - checksum8(ssdt, ssdt->Length);␊
400␊
401␉␉aml_destroy_node(root);␊
402␊
403␉␉// dumpPhysAddr("C-States SSDT content: ", ssdt, ssdt->Length);␊
404␉␉␊
405␉␉DBG("SSDT with CPU C-States generated successfully\n");␊
406␊
407␉␉return ssdt;␊
408␉} else {␊
409␉␉DBG("ACPI CPUs not found: C-States not generated !!!\n");␊
410␉}␊
411␊
412␉return NULL;␊
413}␊
414␊
415struct acpi_2_ssdt *generate_pss_ssdt(struct acpi_2_dsdt* dsdt)␊
416{␊
417␉static char const ssdt_header[] = // pss_ssdt_header␊
418␉{␊
419␉␉0x53, 0x53, 0x44, 0x54, 0x7E, 0x00, 0x00, 0x00, /* SSDT.... */␊
420␉␉0x01, 0x6A, 0x50, 0x6D, 0x52, 0x65, 0x66, 0x00, /* ..PmRef. */␊
421␉␉0x43, 0x70, 0x75, 0x50, 0x6D, 0x00, 0x00, 0x00, /* CpuPm... */␊
422␉␉0x00, 0x30, 0x00, 0x00, 0x49, 0x4E, 0x54, 0x4C, /* .0..INTL */␊
423␉␉0x31, 0x03, 0x10, 0x20,␉␉␉␉␉␉␉/* 1.._␉␉*/␊
424␉};␊
425␊
426␉if (Platform.CPU.Vendor != 0x756E6547) {␊
427␉␉DBG("Not an Intel platform: P-States will not be generated !!!\n");␊
428␉␉return NULL;␊
429␉}␊
430␊
431␉if (!(Platform.CPU.Features & CPU_FEATURE_MSR)) {␊
432␉␉DBG("Unsupported CPU: P-States will not be generated !!! No MSR support\n");␊
433␉␉return NULL;␊
434␉}␊
435␊
436␉if (acpi_cpu_count == 0)␊
437␉␉get_acpi_cpu_names((void*)dsdt, dsdt->Length);␊
438␊
439␉if (acpi_cpu_count > 0)␊
440␉{␊
441␉␉struct p_state initial, maximum, minimum, p_states[32];␊
442␉␉uint8_t p_states_count = 0;␊
443␊
444␉␉// Retrieving P-States, ported from code by superhai (c)␊
445␉␉switch (Platform.CPU.Family) {␊
446␉␉␉case 0x06:␊
447␉␉␉{␊
448␉␉␉␉switch (Platform.CPU.Model) ␊
449␉␉␉␉{␊
450␉␉␉␉␉case CPU_MODEL_DOTHAN:␉// Intel Pentium M␊
451␉␉␉␉␉case CPU_MODEL_YONAH:␉// Intel Mobile Core Solo, Duo␊
452␉␉␉␉␉case CPU_MODEL_MEROM:␉// Intel Mobile Core 2 Solo, Duo, Xeon 30xx, Xeon 51xx, Xeon X53xx, Xeon E53xx, Xeon X32xx␊
453␉␉␉␉␉case CPU_MODEL_PENRYN:␉// Intel Core 2 Solo, Duo, Quad, Extreme, Xeon X54xx, Xeon X33xx␊
454␉␉␉␉␉case CPU_MODEL_ATOM:␉// Intel Atom (45nm)␊
455␉␉␉␉␉{␊
456␉␉␉␉␉␉bool cpu_dynamic_fsb = false;␊
457␊
458␉␉␉␉␉␉if (rdmsr64(MSR_IA32_EXT_CONFIG) & (1 << 27)) ␊
459␉␉␉␉␉␉{␊
460␉␉␉␉␉␉␉wrmsr64(MSR_IA32_EXT_CONFIG, (rdmsr64(MSR_IA32_EXT_CONFIG) | (1 << 28))); ␊
461␉␉␉␉␉␉␉delay(1);␊
462␉␉␉␉␉␉␉cpu_dynamic_fsb = rdmsr64(MSR_IA32_EXT_CONFIG) & (1 << 28);␊
463␉␉␉␉␉␉}␊
464␊
465␉␉␉␉␉␉bool cpu_noninteger_bus_ratio = (rdmsr64(MSR_IA32_PERF_STATUS) & (1ULL << 46));␊
466␊
467␉␉␉␉␉␉initial.Control = rdmsr64(MSR_IA32_PERF_STATUS);␊
468␊
469␉␉␉␉␉␉maximum.Control = ((rdmsr64(MSR_IA32_PERF_STATUS) >> 32) & 0x1F3F) | (0x4000 * cpu_noninteger_bus_ratio);␊
470␉␉␉␉␉␉maximum.CID = ((maximum.FID & 0x1F) << 1) | cpu_noninteger_bus_ratio;␊
471␊
472␉␉␉␉␉␉minimum.FID = ((rdmsr64(MSR_IA32_PERF_STATUS) >> 24) & 0x1F) | (0x80 * cpu_dynamic_fsb);␊
473␉␉␉␉␉␉minimum.VID = ((rdmsr64(MSR_IA32_PERF_STATUS) >> 48) & 0x3F);␊
474␊
475␉␉␉␉␉␉if (minimum.FID == 0) ␊
476␉␉␉␉␉␉{␊
477␉␉␉␉␉␉␉uint64_t msr;␊
478␉␉␉␉␉␉␉uint8_t i;␊
479␉␉␉␉␉␉␉// Probe for lowest fid␊
480␉␉␉␉␉␉␉for (i = maximum.FID; i >= 0x6; i--)␊
481␉␉␉␉␉␉␉{␊
482␉␉␉␉␉␉␉␉msr = rdmsr64(MSR_IA32_PERF_CONTROL);␊
483␉␉␉␉␉␉␉␉wrmsr64(MSR_IA32_PERF_CONTROL, (msr & 0xFFFFFFFFFFFF0000ULL) | (i << 8) | minimum.VID);␊
484␉␉␉␉␉␉␉␉intel_waitforsts();␊
485␉␉␉␉␉␉␉␉minimum.FID = (rdmsr64(MSR_IA32_PERF_STATUS) >> 8) & 0x1F; ␊
486␉␉␉␉␉␉␉␉delay(1);␊
487␉␉␉␉␉␉␉}␊
488␊
489␉␉␉␉␉␉␉msr = rdmsr64(MSR_IA32_PERF_CONTROL);␊
490␉␉␉␉␉␉␉wrmsr64(MSR_IA32_PERF_CONTROL, (msr & 0xFFFFFFFFFFFF0000ULL) | (maximum.FID << 8) | maximum.VID);␊
491␉␉␉␉␉␉␉intel_waitforsts();␊
492␉␉␉␉␉␉}␊
493␊
494␉␉␉␉␉␉if (minimum.VID == maximum.VID) ␊
495␉␉␉␉␉␉{␊
496␉␉␉␉␉␉␉uint64_t msr;␊
497␉␉␉␉␉␉␉uint8_t i;␊
498␉␉␉␉␉␉␉// Probe for lowest vid␊
499␉␉␉␉␉␉␉for (i = maximum.VID; i > 0xA; i--) ␊
500␉␉␉␉␉␉␉{␊
501␉␉␉␉␉␉␉␉msr = rdmsr64(MSR_IA32_PERF_CONTROL);␊
502␉␉␉␉␉␉␉␉wrmsr64(MSR_IA32_PERF_CONTROL, (msr & 0xFFFFFFFFFFFF0000ULL) | (minimum.FID << 8) | i);␊
503␉␉␉␉␉␉␉␉intel_waitforsts();␊
504␉␉␉␉␉␉␉␉minimum.VID = rdmsr64(MSR_IA32_PERF_STATUS) & 0x3F; ␊
505␉␉␉␉␉␉␉␉delay(1);␊
506␉␉␉␉␉␉␉}␊
507␊
508␉␉␉␉␉␉␉msr = rdmsr64(MSR_IA32_PERF_CONTROL);␊
509␉␉␉␉␉␉␉wrmsr64(MSR_IA32_PERF_CONTROL, (msr & 0xFFFFFFFFFFFF0000ULL) | (maximum.FID << 8) | maximum.VID);␊
510␉␉␉␉␉␉␉intel_waitforsts();␊
511␉␉␉␉␉␉}␊
512␊
513␉␉␉␉␉␉minimum.CID = ((minimum.FID & 0x1F) << 1) >> cpu_dynamic_fsb;␊
514␊
515␉␉␉␉␉␉// Sanity check␊
516␉␉␉␉␉␉if (maximum.CID < minimum.CID) {␊
517␉␉␉␉␉␉␉DBG("P-States: Insane FID values!");␊
518␉␉␉␉␉␉␉p_states_count = 0;␊
519␉␉␉␉␉␉} else {␊
520␉␉␉␉␉␉␉uint8_t vidstep;␊
521␉␉␉␉␉␉␉uint8_t u, invalid = 0;␊
522␉␉␉␉␉␉␉// Finalize P-States␊
523␉␉␉␉␉␉␉// Find how many P-States machine supports␊
524␉␉␉␉␉␉␉p_states_count = (uint8_t)(maximum.CID - minimum.CID + 1);␊
525␊
526␉␉␉␉␉␉␉if (p_states_count > 32) {␊
527␉␉␉␉␉␉␉␉p_states_count = 32;␊
528␉␉␉␉␉␉␉}␊
529␊
530␉␉␉␉␉␉␉vidstep = ((maximum.VID << 2) - (minimum.VID << 2)) / (p_states_count - 1);␊
531␊
532␉␉␉␉␉␉␉for (u = 0; u < p_states_count; u++) {␊
533␉␉␉␉␉␉␉␉uint8_t i = u - invalid;␊
534␊
535␉␉␉␉␉␉␉␉p_states[i].CID = maximum.CID - u;␊
536␉␉␉␉␉␉␉␉p_states[i].FID = (uint8_t)(p_states[i].CID >> 1);␊
537␊
538␉␉␉␉␉␉␉␉if (p_states[i].FID < 0x6) {␊
539␉␉␉␉␉␉␉␉␉if (cpu_dynamic_fsb) {␊
540␉␉␉␉␉␉␉␉␉␉p_states[i].FID = (p_states[i].FID << 1) | 0x80;␊
541␉␉␉␉␉␉␉␉␉}␊
542␉␉␉␉␉␉␉␉} else if (cpu_noninteger_bus_ratio) {␊
543␉␉␉␉␉␉␉␉␉p_states[i].FID = p_states[i].FID | (0x40 * (p_states[i].CID & 0x1));␊
544␉␉␉␉␉␉␉␉}␊
545␊
546␉␉␉␉␉␉␉␉if (i && p_states[i].FID == p_states[i-1].FID) {␊
547␉␉␉␉␉␉␉␉␉invalid++;␊
548␉␉␉␉␉␉␉␉}␊
549␉␉␉␉␉␉␉␉p_states[i].VID = ((maximum.VID << 2) - (vidstep * u)) >> 2;␊
550␉␉␉␉␉␉␉␉uint32_t multiplier = p_states[i].FID & 0x1f;␉␉// = 0x08␊
551␉␉␉␉␉␉␉␉bool half = p_states[i].FID & 0x40;␉␉␉␉␉// = 0x01␊
552␉␉␉␉␉␉␉␉bool dfsb = p_states[i].FID & 0x80;␉␉␉␉␉// = 0x00␊
553␉␉␉␉␉␉␉␉uint32_t fsb = (uint32_t)(Platform.CPU.FSBFrequency / 1000000); // = 400␊
554␉␉␉␉␉␉␉␉uint32_t halffsb = (fsb + 1) >> 1;␉␉␉␉␉// = 200␊
555␉␉␉␉␉␉␉␉uint32_t frequency = (multiplier * fsb);␉␉␉// = 3200␊
556␊
557␉␉␉␉␉␉␉␉p_states[i].Frequency = (uint32_t)(frequency + (half * halffsb)) >> dfsb;␉// = 3200 + 200 = 3400␊
558␉␉␉␉␉␉␉}␊
559␊
560␉␉␉␉␉␉␉p_states_count -= invalid;␊
561␉␉␉␉␉␉}␊
562␊
563␉␉␉␉␉␉break;␊
564␉␉␉␉␉}␊
565␉␉␉␉␉case CPU_MODEL_FIELDS:␉␉// Intel Core i5, i7, Xeon X34xx LGA1156 (45nm)␊
566␉␉␉␉␉case CPU_MODEL_DALES:␉␉␊
567␉␉␉␉␉case CPU_MODEL_DALES_32NM:␉// Intel Core i3, i5 LGA1156 (32nm)␊
568␉␉␉␉␉case CPU_MODEL_NEHALEM:␉␉// Intel Core i7, Xeon W35xx, Xeon X55xx, Xeon E55xx LGA1366 (45nm)␊
569␉␉␉␉␉case CPU_MODEL_NEHALEM_EX:␉// Intel Xeon X75xx, Xeon X65xx, Xeon E75xx, Xeon E65xx␊
570␉␉␉␉␉case CPU_MODEL_WESTMERE:␉// Intel Core i7, Xeon X56xx, Xeon E56xx, Xeon W36xx LGA1366 (32nm) 6 Core␊
571␉␉␉␉␉case CPU_MODEL_WESTMERE_EX:␉// Intel Xeon E7␊
572␉␉␉␉␉case CPU_MODEL_SANDYBRIDGE:␉// Intel Core i3, i5, i7 LGA1155 (32nm)␊
573␉␉␉␉␉case CPU_MODEL_JAKETOWN:// Intel Core i7, Xeon E5 LGA2011 (32nm)␊
574␉␉␉␉␉case CPU_MODEL_IVYBRIDGE:␉// Intel Core i3, i5, i7 LGA1155 (22nm)␊
575␉␉␉␉␉case CPU_MODEL_HASWELL:␉//␊
576␉␉␉␉␉case CPU_MODEL_IVYBRIDGE_XEON: //␊
577␉␉␉␉␉//case CPU_MODEL_HASWELL_H:␉//␊
578␉␉␉␉␉case CPU_MODEL_HASWELL_SVR:␉//␊
579␉␉␉␉␉case CPU_MODEL_HASWELL_ULT:␉//␊
580␉␉␉␉␉case CPU_MODEL_CRYSTALWELL:␉//␊
581␊
582␉␉␉␉␉{␊
583␉␉␉␉␉if ((Platform.CPU.Model == CPU_MODEL_SANDYBRIDGE) || (Platform.CPU.Model == CPU_MODEL_JAKETOWN) ||␊
584␉␉␉␉␉␉(Platform.CPU.Model == CPU_MODEL_IVYBRIDGE) || (Platform.CPU.Model == CPU_MODEL_HASWELL) ||␊
585␉␉␉␉␉␉(Platform.CPU.Model == CPU_MODEL_IVYBRIDGE_XEON) || (Platform.CPU.Model == CPU_MODEL_HASWELL_SVR) ||␊
586␉␉␉␉␉␉(Platform.CPU.Model == CPU_MODEL_HASWELL_ULT) || (Platform.CPU.Model == CPU_MODEL_CRYSTALWELL))␊
587␉␉␉␉␉{␊
588␉␉␉␉␉␉maximum.Control = (rdmsr64(MSR_IA32_PERF_STATUS) >> 8) & 0xff;␊
589␉␉␉␉␉} else {␊
590␉␉␉␉␉␉maximum.Control = rdmsr64(MSR_IA32_PERF_STATUS) & 0xff;␊
591␉␉␉␉␉}␊
592␊
593␉␉␉␉␉minimum.Control = (rdmsr64(MSR_PLATFORM_INFO) >> 40) & 0xff;␊
594␊
595␉␉␉␉␉␉DBG("P-States: min 0x%x, max 0x%x\n", minimum.Control, maximum.Control);␊
596␊
597␉␉␉␉␉␉// Sanity check␊
598␉␉␉␉␉␉if (maximum.Control < minimum.Control) {␊
599␉␉␉␉␉␉␉DBG("Insane control values!");␊
600␉␉␉␉␉␉␉p_states_count = 0;␊
601␉␉␉␉␉␉} else {␊
602␉␉␉␉␉␉␉uint8_t i;␊
603␉␉␉␉␉␉␉p_states_count = 0;␊
604␊
605␉␉␉␉␉␉␉for (i = maximum.Control; i >= minimum.Control; i--) {␊
606␉␉␉␉␉␉␉␉p_states[p_states_count].Control = i;␊
607␉␉␉␉␉␉␉␉p_states[p_states_count].CID = p_states[p_states_count].Control << 1;␊
608␉␉␉␉␉␉␉␉p_states[p_states_count].Frequency = (Platform.CPU.FSBFrequency / 1000000) * i;␊
609␉␉␉␉␉␉␉␉p_states_count++;␊
610␉␉␉␉␉␉␉}␊
611␉␉␉␉␉␉}␊
612␊
613␉␉␉␉␉␉break;␊
614␉␉␉␉␉}␊
615␉␉␉␉␉default:␊
616␉␉␉␉␉␉DBG("Unsupported CPU (0x%X): P-States not generated !!!\n", Platform.CPU.Family);␊
617␉␉␉␉␉␉break;␊
618␉␉␉␉}␊
619␉␉␉}␊
620␉␉}␊
621␊
622␉␉// Generating SSDT␊
623␉␉if (p_states_count > 0) {␊
624␉␉␉int i;␊
625␊
626␉␉␉AML_CHUNK* root = aml_create_node(NULL);␊
627␉␉␉␉aml_add_buffer(root, ssdt_header, sizeof(ssdt_header)); // SSDT header␊
628␉␉␉␉␉AML_CHUNK* scop = aml_add_scope(root, "\\_PR_");␊
629␉␉␉␉␉␉AML_CHUNK* name = aml_add_name(scop, "PSS_");␊
630␉␉␉␉␉␉␉AML_CHUNK* pack = aml_add_package(name);␊
631␊
632␉␉␉␉␉␉␉␉for (i = 0; i < p_states_count; i++) {␊
633␉␉␉␉␉␉␉␉␉AML_CHUNK* pstt = aml_add_package(pack);␊
634␊
635␉␉␉␉␉␉␉␉␉aml_add_dword(pstt, p_states[i].Frequency);␊
636␉␉␉␉␉␉␉␉␉aml_add_dword(pstt, 0x00000000); // Power␊
637␉␉␉␉␉␉␉␉␉aml_add_dword(pstt, 0x0000000A); // Latency␊
638␉␉␉␉␉␉␉␉␉aml_add_dword(pstt, 0x0000000A); // Latency␊
639␉␉␉␉␉␉␉␉␉aml_add_dword(pstt, p_states[i].Control);␊
640␉␉␉␉␉␉␉␉␉aml_add_dword(pstt, i+1); // Status␊
641␉␉␉␉␉␉␉␉}␊
642␊
643␉␉␉// Add aliaces␊
644␉␉␉for (i = 0; i < acpi_cpu_count; i++) {␊
645␉␉␉␉char name[9];␊
646␉␉␉␉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]);␊
647␊
648␉␉␉␉scop = aml_add_scope(root, name);␊
649␉␉␉␉aml_add_alias(scop, "PSS_", "_PSS");␊
650␉␉␉}␊
651␊
652␉␉␉aml_calculate_size(root);␊
653␊
654␉␉␉struct acpi_2_ssdt *ssdt = (struct acpi_2_ssdt *)AllocateKernelMemory(root->Size);␊
655␊
656␉␉␉aml_write_node(root, (void*)ssdt, 0);␊
657␊
658␉␉␉ssdt->Length = root->Size;␊
659␉␉␉ssdt->Checksum = 0;␊
660␉␉␉ssdt->Checksum = 256 - (uint8_t)(checksum8(ssdt, ssdt->Length));␊
661␊
662␉␉␉aml_destroy_node(root);␊
663␊
664␉␉␉//dumpPhysAddr("P-States SSDT content: ", ssdt, ssdt->Length);␊
665␊
666␉␉␉DBG("SSDT with CPU P-States generated successfully\n");␊
667␊
668␉␉␉return ssdt;␊
669␉␉}␊
670␉} else {␊
671␉␉DBG("ACPI CPUs not found: P-States not generated !!!\n");␊
672␉}␊
673␊
674␉return NULL;␊
675}␊
676␊
677struct acpi_2_fadt *patch_fadt(struct acpi_2_fadt *fadt, struct acpi_2_dsdt *new_dsdt)␊
678{␊
679␉extern void setupSystemType(); ␊
680␊
681␉struct acpi_2_fadt *fadt_mod = NULL;␊
682␉bool fadt_rev2_needed = false;␊
683␉bool fix_restart;␊
684␉bool fix_restart_ps2;␊
685␉const char * value;␊
686␊
687␉// Restart Fix␊
688␉if (Platform.CPU.Vendor == 0x756E6547) { /* Intel */␊
689␉␉fix_restart = true;␊
690␉␉fix_restart_ps2 = false;␊
691␉␉if ( getBoolForKey(kPS2RestartFix, &fix_restart_ps2, &bootInfo->chameleonConfig) && fix_restart_ps2) {␊
692␉␉␉fix_restart = true;␊
693␉␉} else {␊
694␉␉␉getBoolForKey(kRestartFix, &fix_restart, &bootInfo->chameleonConfig);␊
695␉␉}␊
696␉} else {␊
697␉␉DBG("Not an Intel platform: Restart Fix not applied !!!\n");␊
698␉␉fix_restart = false;␊
699␉}␊
700␊
701␉if (fix_restart) {␊
702␉␉fadt_rev2_needed = true;␊
703␉}␊
704␊
705␉// Allocate new fadt table␊
706␉if (fadt->Length < 0x84 && fadt_rev2_needed)␊
707␉{␊
708␉␉fadt_mod=(struct acpi_2_fadt *)AllocateKernelMemory(0x84);␊
709␉␉memcpy(fadt_mod, fadt, fadt->Length);␊
710␉␉fadt_mod->Length = 0x84;␊
711␉␉fadt_mod->Revision = 0x02; // FADT rev 2 (ACPI 1.0B MS extensions)␊
712␉} else {␊
713␉␉fadt_mod=(struct acpi_2_fadt *)AllocateKernelMemory(fadt->Length);␊
714␉␉memcpy(fadt_mod, fadt, fadt->Length);␊
715␉}␊
716␉// Determine system type / PM_Model␊
717␉if ( (value=getStringForKey(kSystemType, &bootInfo->chameleonConfig))!=NULL)␊
718␉{␊
719␉␉if (Platform.Type > 6) {␊
720␉␉␉if(fadt_mod->PM_Profile<=6) {␊
721␉␉␉␉Platform.Type = fadt_mod->PM_Profile; // get the fadt if correct␊
722␉␉␉} else {␊
723␉␉␉␉Platform.Type = 1;␉␉/* Set a fixed value (Desktop) */␊
724␉␉␉}␊
725␉␉␉DBG("Error: system-type must be 0..6. Defaulting to %d !\n", Platform.Type);␊
726␉␉} else {␊
727␉␉␉Platform.Type = (unsigned char) strtoul(value, NULL, 10);␊
728␉␉}␊
729␉}␊
730␉// Set PM_Profile from System-type if only user wanted this value to be forced␊
731␉if (fadt_mod->PM_Profile != Platform.Type) {␊
732␉␉if (value) {␊
733␉␉␉// user has overriden the SystemType so take care of it in FACP␊
734␉␉␉DBG("FADT: changing PM_Profile from 0x%02x to 0x%02x\n", fadt_mod->PM_Profile, Platform.Type);␊
735␉␉␉fadt_mod->PM_Profile = Platform.Type;␊
736␉␉} else {␊
737␉␉␉// PM_Profile has a different value and no override has been set, so reflect the user value to ioregs␊
738␉␉␉Platform.Type = fadt_mod->PM_Profile <= 6 ? fadt_mod->PM_Profile : 1;␊
739␉␉}␊
740␉}␊
741␉// We now have to write the systemm-type in ioregs: we cannot do it before in setupDeviceTree()␊
742␉// because we need to take care of FACP original content, if it is correct.␊
743␉setupSystemType();␊
744␊
745␉// Patch FADT to fix restart␊
746␉if (fix_restart) {␊
747␉␉if (fix_restart_ps2) {␊
748␉␉␉fadt_mod->Flags|= 0x400;␊
749␉␉␉fadt_mod->Reset_SpaceID␉␉= 0x01; // System I/O␊
750␉␉␉fadt_mod->Reset_BitWidth␉= 0x08; // 1 byte␊
751␉␉␉fadt_mod->Reset_BitOffset␉= 0x00; // Offset 0␊
752␉␉␉fadt_mod->Reset_AccessWidth␉= 0x01; // Byte access␊
753␉␉␉fadt_mod->Reset_Address␉␉= 0x64; // Address of the register␊
754␉␉␉fadt_mod->Reset_Value␉␉= 0xfe; // Value to write to reset the system␊
755␉␉␉DBG("FADT: PS2 Restart Fix applied!\n");␊
756␉␉} else {␊
757␉␉␉fadt_mod->Flags|= 0x400;␊
758␉␉␉fadt_mod->Reset_SpaceID␉␉= 0x01; // System I/O␊
759␉␉␉fadt_mod->Reset_BitWidth␉= 0x08; // 1 byte␊
760␉␉␉fadt_mod->Reset_BitOffset␉= 0x00; // Offset 0␊
761␉␉␉fadt_mod->Reset_AccessWidth␉= 0x01; // Byte access␊
762␉␉␉fadt_mod->Reset_Address␉␉= 0x0cf9; // Address of the register␊
763␉␉␉fadt_mod->Reset_Value␉␉= 0x06; // Value to write to reset the system␊
764␉␉␉DBG("FADT: ACPI Restart Fix applied!\n");␊
765␉␉}␊
766␊
767␉}␊
768␊
769␉// Patch DSDT Address if we have loaded DSDT.aml␊
770␉if(new_dsdt) {␊
771␉␉DBG("DSDT: Old @%x,%x, ",fadt_mod->DSDT,fadt_mod->X_DSDT);␊
772␊
773␉␉fadt_mod->DSDT=(uint32_t)new_dsdt;␊
774␉␉if ((uint32_t)(&(fadt_mod->X_DSDT))-(uint32_t)fadt_mod+8<=fadt_mod->Length) {␊
775␉␉␉fadt_mod->X_DSDT=(uint32_t)new_dsdt;␊
776␉␉}␊
777␊
778␉␉DBG("New @%x,%x\n",fadt_mod->DSDT,fadt_mod->X_DSDT);␊
779␊
780␉␉DBG("FADT: Using custom DSDT!\n");␊
781␉}␊
782␊
783␉// Correct the checksum␊
784␉fadt_mod->Checksum=0;␊
785␉fadt_mod->Checksum=256-checksum8(fadt_mod,fadt_mod->Length);␊
786␊
787␉return fadt_mod;␊
788}␊
789␊
790/* Setup ACPI without replacing DSDT. */␊
791int setupAcpiNoMod()␊
792{␊
793//␉addConfigurationTable(&gEfiAcpiTableGuid, getAddressOfAcpiTable(), "ACPI");␊
794//␉addConfigurationTable(&gEfiAcpi20TableGuid, getAddressOfAcpi20Table(), "ACPI_20");␊
795␉/* XXX aserebln why uint32 cast if pointer is uint64 ? */␊
796␉acpi10_p = (uint64_t)(uint32_t)getAddressOfAcpiTable();␊
797␉acpi20_p = (uint64_t)(uint32_t)getAddressOfAcpi20Table();␊
798␉addConfigurationTable(&gEfiAcpiTableGuid, &acpi10_p, "ACPI");␊
799␉if(acpi20_p) {␊
800␉␉addConfigurationTable(&gEfiAcpi20TableGuid, &acpi20_p, "ACPI_20");␊
801␉} else {␊
802␉␉DBG("No ACPI 2.\n");␊
803␉}␊
804␉return 1;␊
805}␊
806␊
807/* Setup ACPI. Replace DSDT if DSDT.aml is found */␊
808int setupAcpi(void)␊
809{␊
810␉int version;␊
811␉void *new_dsdt = NULL; // DSDT.aml DSDT␊
812␉void *new_hpet = NULL; // HPET.aml HPET␊
813␉void *new_sbst = NULL; // SBST.aml SBST␊
814␉void *new_ecdt = NULL; // ECDT.aml ECDT␊
815␉void *new_asft = NULL; // ASFT.aml ASF!␊
816␉void *new_dmar = NULL; // DMAR.aml DMAR␊
817␉void *new_apic = NULL; // APIC.aml APIC␊
818␉void *new_mcfg = NULL; // MCFG.aml MCFG␊
819␊
820␉const char *filename;␊
821␉char dirSpec[128];␊
822␉int len = 0;␊
823␊
824␉// always reset cpu count to 0 when injecting new acpi␊
825␉acpi_cpu_count = 0;␊
826␊
827␉/* Try using the file specified with the DSDT option */␊
828␉if (getValueForKey(kDSDT, &filename, &len, &bootInfo->chameleonConfig)) {␊
829␉␉snprintf(dirSpec, sizeof(dirSpec), filename);␊
830␉} else {␊
831␉␉sprintf(dirSpec, "DSDT.aml");␊
832␉␉//verbose("dirSpec, DSDT.aml");␊
833␉}␊
834␊
835␉// Load replacement DSDT␊
836␉new_dsdt = loadACPITable(dirSpec);␊
837␊
838␉/* Try using the file specified with the HPET option */␊
839␉if (getValueForKey(kHPET, &filename, &len, &bootInfo->chameleonConfig)) {␊
840␉␉snprintf(dirSpec, sizeof(dirSpec), filename);␊
841␉} else {␊
842␉␉sprintf(dirSpec, "HPET.aml");␊
843␉}␊
844␉// Load replacement HPET␊
845␉new_hpet = loadACPITable(dirSpec);␊
846␊
847␉/* Try using the file specified with the SBST option */␊
848␉if (getValueForKey(kSBST, &filename, &len, &bootInfo->chameleonConfig)) {␊
849␉␉snprintf(dirSpec, sizeof(dirSpec), filename);␊
850␉} else {␊
851␉␉sprintf(dirSpec, "SBST.aml");␊
852␉}␊
853␉// Load replacement SBST␊
854␉new_sbst = loadACPITable(dirSpec);␊
855␊
856␉/* Try using the file specified with the ECDT option */␊
857␉if (getValueForKey(kECDT, &filename, &len, &bootInfo->chameleonConfig)) {␊
858␉␉snprintf(dirSpec, sizeof(dirSpec), filename);␊
859␉} else {␊
860␉␉sprintf(dirSpec, "ECDT.aml");␊
861␉}␊
862␉// Load replacement ECDT␊
863␉new_ecdt = loadACPITable(dirSpec);␊
864␊
865␉/* Try using the file specified with the ASF! option */␊
866␉if (getValueForKey(kASFT, &filename, &len, &bootInfo->chameleonConfig)) {␊
867␉␉snprintf(dirSpec, sizeof(dirSpec), filename);␊
868␉} else {␊
869␉␉sprintf(dirSpec, "ASFT.aml");␊
870␉}␊
871␉// Load replacement ASF!␊
872␉new_asft = loadACPITable(dirSpec);␊
873␊
874␉/* Try using the file specified with the DMAR option */␊
875␉if (getValueForKey(kDMAR, &filename, &len, &bootInfo->chameleonConfig)) {␊
876␉␉snprintf(dirSpec, sizeof(dirSpec), filename);␊
877␉} else {␊
878␉␉sprintf(dirSpec, "DMAR.aml");␊
879␉}␊
880␉// Load replacement DMAR␊
881␉new_dmar = loadACPITable(dirSpec);␊
882␊
883␉/* Try using the file specified with the APIC option */␊
884␉if (getValueForKey(kAPIC, &filename, &len, &bootInfo->chameleonConfig)) {␊
885␉␉snprintf(dirSpec, sizeof(dirSpec), filename);␊
886␉} else {␊
887␉␉sprintf(dirSpec, "APIC.aml");␊
888␉}␊
889␉// Load replacement APIC␊
890␉new_apic = loadACPITable(dirSpec);␊
891␊
892␉// Try using the file specified with the MCFG option */␊
893␉if (getValueForKey(kMCFG, &filename, &len, &bootInfo->chameleonConfig)) {␊
894␉␉snprintf(dirSpec, sizeof(dirSpec), filename);␊
895␉} else {␊
896␉␉sprintf(dirSpec, "MCFG.aml");␊
897␉}␊
898␉// Load replacement MCFG␊
899␉new_mcfg = loadACPITable(dirSpec);␊
900␊
901␉// Mozodojo: going to patch FACP and load SSDT's even if DSDT.aml is not present␊
902␉/*if (!new_dsdt)␊
903␉ {␊
904␉ return setupAcpiNoMod();␊
905␉ }*/␊
906␊
907␉// Mozodojo: Load additional SSDTs␊
908␉struct acpi_2_ssdt *new_ssdt[32]; // 30 + 2 additional tables for pss & cst␊
909␉int ssdt_count=0;␊
910␊
911␉// SSDT Options␊
912␉bool drop_ssdt=false, generate_pstates=false, generate_cstates=false;␊
913␊
914␊
915␉// ACPI Tables␊
916␉bool drop_dmar = getBoolForKey(kDropDMAR, &drop_dmar, &bootInfo->chameleonConfig);␊
917␉bool drop_hpet = getBoolForKey(kDropHPET, &drop_hpet, &bootInfo->chameleonConfig);␊
918␉bool drop_slic = getBoolForKey(kDropSLIC, &drop_slic, &bootInfo->chameleonConfig);␊
919␉bool drop_sbst = getBoolForKey(kDropSBST, &drop_sbst, &bootInfo->chameleonConfig);␊
920␉bool drop_ecdt = getBoolForKey(kDropECDT, &drop_ecdt, &bootInfo->chameleonConfig);␊
921␉bool drop_asft = getBoolForKey(kDropASFT, &drop_asft, &bootInfo->chameleonConfig);␊
922␉getBoolForKey(kDropSSDT, &drop_ssdt, &bootInfo->chameleonConfig);␊
923␉getBoolForKey(kGeneratePStates, &generate_pstates, &bootInfo->chameleonConfig);␊
924␉getBoolForKey(kGenerateCStates, &generate_cstates, &bootInfo->chameleonConfig);␊
925␉//getBoolForKey(kGenerateTStates, &generate_tstates, &bootInfo->chameleonConfig);␊
926␊
927␉DBG("Generating P-States config: %s\n", generate_pstates ? "YES" : "NO");␊
928␉DBG("Generating C-States config: %s\n", generate_cstates ? "YES" : "NO");␊
929␉//DBG("Generating T-States config: %s\n", generate_tstates ? "YES" : "NO");␊
930␊
931␉{␊
932␉␉int i;␊
933␊
934␉␉for (i = 0; i < 30; i++)␊
935␉␉{␊
936␉␉␉char filename[512];␊
937␊
938␉␉␉sprintf(filename, i > 0 ? "SSDT-%d.aml" : "SSDT.aml", i);␊
939␊
940␉␉␉if ( (new_ssdt[ssdt_count] = loadACPITable(filename)) ) {␊
941␉␉␉␉ssdt_count++;␊
942␉␉␉} else {␊
943␉␉␉␉break;␊
944␉␉␉}␊
945␉␉}␊
946␉}␊
947␊
948␉// Do the same procedure for both versions of ACPI␊
949␉for (version = 0; version < 2; version++) {␊
950␉␉struct acpi_2_rsdp *rsdp, *rsdp_mod;␊
951␉␉struct acpi_2_rsdt *rsdt, *rsdt_mod;␊
952␉␉int rsdplength;␊
953␊
954␉␉// Find original rsdp␊
955␉␉rsdp=(struct acpi_2_rsdp *)(version ? getAddressOfAcpi20Table() : getAddressOfAcpiTable());␊
956␉␉if (!rsdp) {␊
957␉␉␉DBG("No ACPI version %d found. Ignoring\n", version+1);␊
958␉␉␉if (version) {␊
959␉␉␉␉addConfigurationTable(&gEfiAcpi20TableGuid, NULL, "ACPI_20");␊
960␉␉␉} else {␊
961␉␉␉␉addConfigurationTable(&gEfiAcpiTableGuid, NULL, "ACPI");␊
962␉␉␉}␊
963␉␉␉continue;␊
964␉␉}␊
965␉␉rsdplength=version ? rsdp->Length : 20;␊
966␊
967␉␉DBG("RSDP version %d found @%x. Length=%d\n",version+1,rsdp,rsdplength);␊
968␊
969␉␉/* FIXME: no check that memory allocation succeeded ␊
970␉␉ * Copy and patch RSDP,RSDT, XSDT and FADT␊
971␉␉ * For more info see ACPI Specification pages 110 and following␊
972␉␉ */␊
973␊
974␉␉rsdp_mod=(struct acpi_2_rsdp *) AllocateKernelMemory(rsdplength);␊
975␉␉memcpy(rsdp_mod, rsdp, rsdplength);␊
976␊
977␉␉rsdt=(struct acpi_2_rsdt *)(rsdp->RsdtAddress);␊
978␊
979␉␉DBG("RSDT @%x, Length %d\n",rsdt, rsdt ? rsdt->Length : 0);␊
980␉␉␊
981␉␉if (rsdt && (uint32_t)rsdt !=0xffffffff && rsdt->Length<0x10000) {␊
982␉␉␉uint32_t *rsdt_entries;␊
983␉␉␉int rsdt_entries_num;␊
984␉␉␉int dropoffset=0, i;␊
985␊
986␉␉␉// mozo: using malloc cos I didn't found how to free already allocated kernel memory␊
987␉␉␉rsdt_mod=(struct acpi_2_rsdt *)malloc(rsdt->Length); ␊
988␉␉␉memcpy (rsdt_mod, rsdt, rsdt->Length);␊
989␉␉␉rsdp_mod->RsdtAddress=(uint32_t)rsdt_mod;␊
990␉␉␉rsdt_entries_num=(rsdt_mod->Length-sizeof(struct acpi_2_rsdt))/4;␊
991␉␉␉rsdt_entries=(uint32_t *)(rsdt_mod+1);␊
992␉␉␉for (i=0;i<rsdt_entries_num;i++) {␊
993␉␉␉␉char *table=(char *)(rsdt_entries[i]);␊
994␉␉␉␉if (!table) {␊
995␉␉␉␉␉continue;␊
996␉␉␉␉}␊
997␊
998␉␉␉␉DBG("TABLE %c%c%c%c,",table[0],table[1],table[2],table[3]);␊
999␊
1000␉␉␉␉rsdt_entries[i-dropoffset]=rsdt_entries[i];␊
1001␊
1002␉␉␉␉if (drop_ssdt && tableSign(table, "SSDT")) {␊
1003␉␉␉␉␉DBG("OEM SSDT tables was dropped\n");␊
1004␉␉␉␉␉dropoffset++;␊
1005␉␉␉␉␉continue;␊
1006␉␉␉␉}␊
1007␊
1008␉␉␉␉if (drop_hpet && tableSign(table, "HPET")) {␊
1009␉␉␉␉␉DBG("OEM HPET table was dropped\n");␊
1010␉␉␉␉␉dropoffset++;␊
1011␉␉␉␉␉continue;␊
1012␉␉␉␉}␉␉␉␊
1013␊
1014␉␉␉␉if (drop_slic && tableSign(table, "SLIC")) {␊
1015␉␉␉␉␉DBG("OEM SLIC table was dropped\n");␊
1016␉␉␉␉␉dropoffset++;␊
1017␉␉␉␉␉continue;␊
1018␉␉␉␉}␊
1019␊
1020␉␉␉␉if (drop_sbst && tableSign(table, "SBST")) {␊
1021␉␉␉␉␉DBG("OEM SBST table was dropped\n");␊
1022␉␉␉␉␉dropoffset++;␊
1023␉␉␉␉␉continue;␊
1024␉␉␉␉}␊
1025␊
1026␉␉␉␉if (drop_ecdt && tableSign(table, "ECDT")) {␊
1027␉␉␉␉␉DBG("OEM ECDT table was dropped\n");␊
1028␉␉␉␉␉dropoffset++;␊
1029␉␉␉␉␉continue;␊
1030␉␉␉␉}␊
1031␊
1032␉␉␉␉if (drop_asft && tableSign(table, "ASF!")) {␊
1033␉␉␉␉␉DBG("OEM ASF! table was dropped\n");␊
1034␉␉␉␉␉dropoffset++;␊
1035␉␉␉␉␉continue;␊
1036␉␉␉␉}␊
1037␊
1038␉␉␉␉if (drop_dmar && tableSign(table, "DMAR")) {␊
1039␉␉␉␉␉DBG("OEM DMAR table was dropped\n");␊
1040␉␉␉␉␉dropoffset++;␊
1041␉␉␉␉␉continue;␊
1042␉␉␉␉}␊
1043␊
1044␉␉␉␉if (tableSign(table, "HPET")) {␊
1045␉␉␉␉␉DBG("HPET found\n");␊
1046␉␉␉␉␉DBG("Custom HPET table was found\n");␊
1047␉␉␉␉␉if(new_hpet) {␊
1048␉␉␉␉␉␉rsdt_entries[i-dropoffset]=(uint32_t)new_hpet;␊
1049␉␉␉␉␉}␊
1050␉␉␉␉␉continue;␊
1051␉␉␉␉}␊
1052␊
1053␉␉␉␉if (tableSign(table, "SBST")) {␊
1054␉␉␉␉␉DBG("SBST found\n");␊
1055␉␉␉␉␉DBG("Custom SBST table was found\n");␊
1056␉␉␉␉␉if(new_sbst) {␊
1057␉␉␉␉␉␉rsdt_entries[i-dropoffset]=(uint32_t)new_sbst;␊
1058␉␉␉␉␉}␊
1059␉␉␉␉␉continue;␊
1060␉␉␉␉}␊
1061␊
1062␉␉␉␉if (tableSign(table, "ECDT")) {␊
1063␉␉␉␉␉DBG("ECDT found\n");␊
1064␉␉␉␉␉DBG("Custom ECDT table was found\n");␊
1065␉␉␉␉␉if(new_ecdt) {␊
1066␉␉␉␉␉␉rsdt_entries[i-dropoffset]=(uint32_t)new_ecdt;␊
1067␉␉␉␉␉}␊
1068␉␉␉␉␉continue;␊
1069␉␉␉␉}␊
1070␊
1071␉␉␉␉if (tableSign(table, "ASF!")) {␊
1072␉␉␉␉␉DBG("ASF! found\n");␊
1073␉␉␉␉␉DBG("Custom ASF! table was found\n");␊
1074␉␉␉␉␉if(new_asft) {␊
1075␉␉␉␉␉␉rsdt_entries[i-dropoffset]=(uint32_t)new_asft;␊
1076␉␉␉␉␉}␊
1077␉␉␉␉␉continue;␊
1078␉␉␉␉}␊
1079␊
1080␉␉␉␉if (tableSign(table, "DMAR")) {␊
1081␉␉␉␉␉DBG("DMAR found\n");␊
1082␉␉␉␉␉DBG("Custom DMAR table was found\n");␊
1083␉␉␉␉␉if(new_dmar) {␊
1084␉␉␉␉␉␉rsdt_entries[i-dropoffset]=(uint32_t)new_dmar;␊
1085␉␉␉␉␉}␊
1086␉␉␉␉␉continue;␊
1087␉␉␉␉}␊
1088␊
1089␉␉␉␉if (tableSign(table, "APIC")) {␊
1090␉␉␉␉␉DBG("APIC found\n");␊
1091␉␉␉␉␉DBG("Custom APIC table was found\n");␊
1092␉␉␉␉␉if(new_apic) {␊
1093␉␉␉␉␉␉rsdt_entries[i-dropoffset]=(uint32_t)new_apic;␊
1094␉␉␉␉␉}␊
1095␉␉␉␉␉continue;␊
1096␉␉␉␉}␊
1097␊
1098␉␉␉␉if (tableSign(table, "MCFG")) {␊
1099␉␉␉␉␉DBG("MCFG found\n");␊
1100␉␉␉␉␉DBG("Custom MCFG table was found\n");␊
1101␉␉␉␉␉if(new_mcfg) {␊
1102␉␉␉␉␉␉rsdt_entries[i-dropoffset]=(uint32_t)new_mcfg;␊
1103␉␉␉␉␉}␊
1104␊
1105␉␉␉␉␉continue;␊
1106␉␉␉␉}␊
1107␉␉␉␉if (tableSign(table, "DSDT")) {␊
1108␉␉␉␉␉DBG("DSDT found\n");␊
1109␉␉␉␉␉DBG("Custom DSDT table was found\n");␊
1110␉␉␉␉␉if(new_dsdt) {␊
1111␉␉␉␉␉␉rsdt_entries[i-dropoffset]=(uint32_t)new_dsdt;␊
1112␉␉␉␉␉}␊
1113␉␉␉␉␉continue;␊
1114␉␉␉␉}␊
1115␊
1116␉␉␉␉if (tableSign(table, "FACP")) {␊
1117␉␉␉␉␉struct acpi_2_fadt *fadt, *fadt_mod;␊
1118␉␉␉␉␉fadt=(struct acpi_2_fadt *)rsdt_entries[i];␊
1119␊
1120␉␉␉␉␉DBG("FADT found @%x, Length %d\n",fadt, fadt->Length);␊
1121␊
1122␉␉␉␉␉if (!fadt || (uint32_t)fadt == 0xffffffff || fadt->Length>0x10000) {␊
1123␉␉␉␉␉␉DBG("FADT incorrect. Not modified\n");␊
1124␉␉␉␉␉␉continue;␊
1125␉␉␉␉␉}␊
1126␉␉␉␉␉␊
1127␉␉␉␉␉fadt_mod = patch_fadt(fadt, new_dsdt);␊
1128␉␉␉␉␉rsdt_entries[i-dropoffset]=(uint32_t)fadt_mod;␊
1129␉␉␉␉␉␊
1130␉␉␉␉␉// Generate _CST SSDT␊
1131␉␉␉␉␉if (generate_cstates && (new_ssdt[ssdt_count] = generate_cst_ssdt(fadt_mod))) {␊
1132␉␉␉␉␉␉DBG("C-States generated\n");␊
1133␉␉␉␉␉␉generate_cstates = false; // Generate SSDT only once!␊
1134␉␉␉␉␉␉ssdt_count++;␊
1135␉␉␉␉␉}␊
1136␊
1137␉␉␉␉␉// Generating _PSS SSDT␊
1138␉␉␉␉␉if (generate_pstates && (new_ssdt[ssdt_count] = generate_pss_ssdt((void*)fadt_mod->DSDT))) {␊
1139␉␉␉␉␉␉DBG("P-States generated\n");␊
1140␉␉␉␉␉␉generate_pstates = false; // Generate SSDT only once!␊
1141␉␉␉␉␉␉ssdt_count++;␊
1142␉␉␉␉␉}␊
1143␉␉␉␉␉continue;␊
1144␉␉␉␉}␊
1145␉␉␉}␊
1146␉␉␉DBG("\n");␊
1147␊
1148␉␉␉// Allocate rsdt in Kernel memory area␊
1149␉␉␉rsdt_mod->Length += 4*ssdt_count - 4*dropoffset;␊
1150␉␉␉struct acpi_2_rsdt *rsdt_copy = (struct acpi_2_rsdt *)AllocateKernelMemory(rsdt_mod->Length);␊
1151␉␉␉memcpy (rsdt_copy, rsdt_mod, rsdt_mod->Length);␊
1152␉␉␉free(rsdt_mod); rsdt_mod = rsdt_copy;␊
1153␉␉␉rsdp_mod->RsdtAddress=(uint32_t)rsdt_mod;␊
1154␉␉␉rsdt_entries_num=(rsdt_mod->Length-sizeof(struct acpi_2_rsdt))/4;␊
1155␉␉␉rsdt_entries=(uint32_t *)(rsdt_mod+1);␊
1156␊
1157␉␉␉// Mozodojo: Insert additional SSDTs into RSDT␊
1158␉␉␉if(ssdt_count > 0) {␊
1159␉␉␉␉int j;␊
1160␊
1161␉␉␉␉for (j=0; j<ssdt_count; j++) {␊
1162␉␉␉␉␉rsdt_entries[i-dropoffset+j]=(uint32_t)new_ssdt[j];␊
1163␉␉␉␉}␊
1164␉␉␉␉DBG("RSDT: Added %d SSDT table(s)\n", ssdt_count);␊
1165␊
1166␉␉␉}␊
1167␊
1168␉␉␉// Correct the checksum of RSDT␊
1169␉␉␉DBG("RSDT: Original checksum %d, ", rsdt_mod->Checksum);␊
1170␊
1171␉␉␉rsdt_mod->Checksum=0;␊
1172␉␉␉rsdt_mod->Checksum=256-checksum8(rsdt_mod,rsdt_mod->Length);␊
1173␊
1174␉␉␉DBG("New checksum %d at %x\n", rsdt_mod->Checksum,rsdt_mod);␊
1175␉␉} else {␊
1176␉␉␉rsdp_mod->RsdtAddress=0;␊
1177␉␉␉DBG("RSDT not found or RSDT incorrect\n");␊
1178␉␉}␊
1179␉␉DBG("\n");␊
1180␊
1181␉␉if (version) {␊
1182␉␉␉struct acpi_2_xsdt *xsdt, *xsdt_mod;␊
1183␊
1184␉␉␉// FIXME: handle 64-bit address correctly␊
1185␊
1186␉␉␉xsdt=(struct acpi_2_xsdt*) ((uint32_t)rsdp->XsdtAddress);␊
1187␉␉␉DBG("XSDT @%x;%x, Length=%d Sign=%c%c%c%c\n", (uint32_t)(rsdp->XsdtAddress>>32),␊
1188␉␉␉␉(uint32_t)rsdp->XsdtAddress, xsdt->Length, xsdt[0], xsdt[1], xsdt[2], xsdt[3]);␊
1189␉␉␉if (xsdt && (uint64_t)rsdp->XsdtAddress<0xffffffff && xsdt->Length<0x10000) {␊
1190␉␉␉␉uint64_t *xsdt_entries;␊
1191␉␉␉␉int xsdt_entries_num, i;␊
1192␉␉␉␉int dropoffset=0;␊
1193␊
1194␉␉␉␉// mozo: using malloc cos I didn't found how to free already allocated kernel memory␊
1195␉␉␉␉xsdt_mod=(struct acpi_2_xsdt*)malloc(xsdt->Length); ␊
1196␉␉␉␉memcpy(xsdt_mod, xsdt, xsdt->Length);␊
1197␊
1198␉␉␉␉rsdp_mod->XsdtAddress=(uint32_t)xsdt_mod;␊
1199␉␉␉␉xsdt_entries_num=(xsdt_mod->Length-sizeof(struct acpi_2_xsdt))/8;␊
1200␉␉␉␉xsdt_entries=(uint64_t *)(xsdt_mod+1);␊
1201␉␉␉␉for (i=0;i<xsdt_entries_num;i++) {␊
1202␉␉␉␉␉char *table=(char *)((uint32_t)(xsdt_entries[i]));␊
1203␉␉␉␉␉if (!table) {␊
1204␉␉␉␉␉␉continue;␊
1205␉␉␉␉␉}␊
1206␉␉␉␉␉xsdt_entries[i-dropoffset]=xsdt_entries[i];␊
1207␊
1208␉␉␉␉␉if (drop_ssdt && tableSign(table, "SSDT")) {␊
1209␉␉␉␉␉␉verbose("OEM SSDT tables was dropped\n");␊
1210␉␉␉␉␉␉dropoffset++;␊
1211␉␉␉␉␉␉continue;␊
1212␉␉␉␉␉}␊
1213␊
1214␉␉␉␉␉if (drop_hpet && tableSign(table, "HPET")) {␊
1215␉␉␉␉␉␉verbose("OEM HPET table was dropped\n");␊
1216␉␉␉␉␉␉dropoffset++;␊
1217␉␉␉␉␉␉continue;␊
1218␉␉␉␉␉}␊
1219␊
1220␉␉␉␉␉if (drop_slic && tableSign(table, "SLIC")) {␊
1221␉␉␉␉␉␉verbose("OEM SLIC table was dropped\n");␊
1222␉␉␉␉␉␉dropoffset++;␊
1223␉␉␉␉␉␉continue;␊
1224␉␉␉␉␉}␊
1225␊
1226␉␉␉␉␉if (drop_sbst && tableSign(table, "SBST")) {␊
1227␉␉␉␉␉␉verbose("OEM SBST table was dropped\n");␊
1228␉␉␉␉␉␉dropoffset++;␊
1229␉␉␉␉␉␉continue;␊
1230␉␉␉␉␉}␊
1231␊
1232␉␉␉␉␉if (drop_ecdt && tableSign(table, "ECDT")) {␊
1233␉␉␉␉␉␉verbose("OEM ECDT table was dropped\n");␊
1234␉␉␉␉␉␉dropoffset++;␊
1235␉␉␉␉␉␉continue;␊
1236␉␉␉␉␉}␊
1237␊
1238␉␉␉␉␉if (drop_asft && tableSign(table, "ASF!")) {␊
1239␉␉␉␉␉␉verbose("OEM ASF! table was dropped\n");␊
1240␉␉␉␉␉␉dropoffset++;␊
1241␉␉␉␉␉␉continue;␊
1242␉␉␉␉␉}␊
1243␊
1244␉␉␉␉␉if (drop_dmar && tableSign(table, "DMAR")) {␊
1245␉␉␉␉␉␉verbose("OEM DMAR table was dropped\n");␊
1246␉␉␉␉␉␉dropoffset++;␊
1247␉␉␉␉␉␉continue;␊
1248␉␉␉␉␉}␊
1249␊
1250␉␉␉␉␉if (tableSign(table, "DSDT")) {␊
1251␉␉␉␉␉␉DBG("DSDT found\n");␊
1252␊
1253␉␉␉␉␉␉if (new_dsdt) {␊
1254␉␉␉␉␉␉␉xsdt_entries[i-dropoffset]=(uint32_t)new_dsdt;␊
1255␉␉␉␉␉␉}␊
1256␊
1257␉␉␉␉␉␉DBG("TABLE %c%c%c%c@%x \n", table[0],table[1],table[2],table[3],xsdt_entries[i]);␊
1258␊
1259␉␉␉␉␉␉continue;␊
1260␉␉␉␉␉}␊
1261␊
1262␉␉␉␉␉if (tableSign(table, "HPET")) {␊
1263␉␉␉␉␉␉DBG("HPET found\n");␊
1264␊
1265␉␉␉␉␉␉if (new_hpet) {␊
1266␉␉␉␉␉␉␉xsdt_entries[i-dropoffset]=(uint32_t)new_hpet;␊
1267␉␉␉␉␉␉}␊
1268␊
1269␉␉␉␉␉␉DBG("TABLE %c%c%c%c@%x \n", table[0],table[1],table[2],table[3],xsdt_entries[i]);␊
1270␊
1271␉␉␉␉␉␉continue;␊
1272␉␉␉␉␉}␊
1273␊
1274␉␉␉␉␉if (tableSign(table, "SBST")) {␊
1275␉␉␉␉␉␉DBG("SBST found\n");␊
1276␊
1277␉␉␉␉␉␉if (new_sbst) {␊
1278␉␉␉␉␉␉␉xsdt_entries[i-dropoffset]=(uint32_t)new_sbst;␊
1279␉␉␉␉␉␉}␊
1280␊
1281␉␉␉␉␉␉DBG("TABLE %c%c%c%c@%x \n", table[0],table[1],table[2],table[3],xsdt_entries[i]);␊
1282␊
1283␉␉␉␉␉␉continue;␊
1284␉␉␉␉␉}␊
1285␊
1286␉␉␉␉␉if (tableSign(table, "ECDT")) {␊
1287␉␉␉␉␉␉DBG("ECDT found\n");␊
1288␊
1289␉␉␉␉␉␉if (new_ecdt) {␊
1290␉␉␉␉␉␉␉xsdt_entries[i-dropoffset]=(uint32_t)new_ecdt;␊
1291␉␉␉␉␉␉}␊
1292␊
1293␉␉␉␉␉␉DBG("TABLE %c%c%c%c@%x \n", table[0],table[1],table[2],table[3],xsdt_entries[i]);␊
1294␊
1295␉␉␉␉␉␉continue;␊
1296␉␉␉␉␉}␊
1297␊
1298␉␉␉␉␉if (tableSign(table, "ASF!")) {␊
1299␉␉␉␉␉␉DBG("ASF! found\n");␊
1300␊
1301␉␉␉␉␉␉if (new_asft) {␊
1302␉␉␉␉␉␉␉xsdt_entries[i-dropoffset]=(uint32_t)new_asft;␊
1303␉␉␉␉␉␉}␊
1304␊
1305␉␉␉␉␉␉DBG("TABLE %c%c%c%c@%x \n", table[0],table[1],table[2],table[3],xsdt_entries[i]);␊
1306␊
1307␉␉␉␉␉␉continue;␊
1308␉␉␉␉␉}␊
1309␊
1310␉␉␉␉␉if (tableSign(table, "DMAR")) {␊
1311␉␉␉␉␉␉DBG("DMAR found\n");␊
1312␊
1313␉␉␉␉␉␉if (new_dmar) {␊
1314␉␉␉␉␉␉␉xsdt_entries[i-dropoffset]=(uint32_t)new_dmar;␊
1315␉␉␉␉␉␉}␊
1316␊
1317␉␉␉␉␉␉DBG("TABLE %c%c%c%c@%x \n", table[0],table[1],table[2],table[3],xsdt_entries[i]);␊
1318␊
1319␉␉␉␉␉␉continue;␊
1320␉␉␉␉␉}␊
1321␊
1322␉␉␉␉␉if (tableSign(table, "APIC")) {␊
1323␉␉␉␉␉␉DBG("APIC found\n");␊
1324␊
1325␉␉␉␉␉␉if (new_apic) {␊
1326␉␉␉␉␉␉␉xsdt_entries[i-dropoffset]=(uint32_t)new_apic;␊
1327␉␉␉␉␉␉}␊
1328␊
1329␉␉␉␉␉␉DBG("TABLE %c%c%c%c@%x \n", table[0],table[1],table[2],table[3],xsdt_entries[i]);␊
1330␊
1331␉␉␉␉␉␉continue;␊
1332␉␉␉␉␉}␊
1333␊
1334␉␉␉␉␉if (tableSign(table, "MCFG")) {␊
1335␉␉␉␉␉␉DBG("MCFG found\n");␊
1336␊
1337␉␉␉␉␉␉if (new_mcfg) {␊
1338␉␉␉␉␉␉␉xsdt_entries[i-dropoffset]=(uint32_t)new_mcfg;␊
1339␉␉␉␉␉␉}␊
1340␊
1341␉␉␉␉␉␉DBG("TABLE %c%c%c%c@%x \n", table[0],table[1],table[2],table[3],xsdt_entries[i]);␊
1342␊
1343␉␉␉␉␉␉continue;␊
1344␉␉␉␉␉}␊
1345␊
1346␉␉␉␉␉if (tableSign(table, "FACP")) {␊
1347␉␉␉␉␉␉struct acpi_2_fadt *fadt, *fadt_mod;␊
1348␉␉␉␉␉␉fadt=(struct acpi_2_fadt *)(uint32_t)xsdt_entries[i];␊
1349␊
1350␉␉␉␉␉␉DBG("FADT found @%x%x, Length %d\n",(uint32_t)(xsdt_entries[i]>>32),fadt, ␊
1351␉␉␉␉␉␉␉fadt->Length);␊
1352␊
1353␉␉␉␉␉␉if (!fadt || (uint64_t)xsdt_entries[i] >= 0xffffffff || fadt->Length>0x10000) {␊
1354␉␉␉␉␉␉␉DBG("FADT incorrect or after 4GB. Dropping XSDT\n");␊
1355␉␉␉␉␉␉␉goto drop_xsdt;␊
1356␉␉␉␉␉␉}␊
1357␊
1358␉␉␉␉␉␉fadt_mod = patch_fadt(fadt, new_dsdt);␊
1359␉␉␉␉␉␉xsdt_entries[i-dropoffset]=(uint32_t)fadt_mod;␊
1360␊
1361␉␉␉␉␉␉// DBG("TABLE %c%c%c%c@%x \n", table[0],table[1],table[2],table[3],xsdt_entries[i]);␊
1362␊
1363␉␉␉␉␉␉// Generate _CST SSDT␊
1364␉␉␉␉␉␉if (generate_cstates && (new_ssdt[ssdt_count] = generate_cst_ssdt(fadt_mod))) {␊
1365␉␉␉␉␉␉␉DBG("C-States generated\n");␊
1366␉␉␉␉␉␉␉generate_cstates = false; // Generate SSDT only once!␊
1367␉␉␉␉␉␉␉ssdt_count++;␊
1368␉␉␉␉␉␉}␊
1369␊
1370␉␉␉␉␉␉// Generating _PSS SSDT␊
1371␉␉␉␉␉␉if (generate_pstates && (new_ssdt[ssdt_count] = generate_pss_ssdt((void*)fadt_mod->DSDT))) {␊
1372␉␉␉␉␉␉␉DBG("P-States generated\n");␊
1373␉␉␉␉␉␉␉generate_pstates = false; // Generate SSDT only once!␊
1374␉␉␉␉␉␉␉ssdt_count++;␊
1375␉␉␉␉␉␉}␊
1376␊
1377␉␉␉␉␉␉// Generating _TSS SSDT␊
1378␉␉␉␉␉␉/*if (generate_tstates && (new_ssdt[ssdt_count] = generate_tss_ssdt((void*)fadt_mod->DSDT)))␊
1379␉␉␉␉␉␉{␊
1380␉␉␉␉␉␉␉generate_tstates = false; // Generate SSDT only once!␊
1381␉␉␉␉␉␉␉ssdt_count++;␊
1382␉␉␉␉␉␉}*/␊
1383␉␉␉␉␉␉continue;␊
1384␉␉␉␉␉}␊
1385␊
1386␉␉␉␉␉DBG("TABLE %c%c%c%c@%x \n", table[0],table[1],table[2],table[3],xsdt_entries[i]);␊
1387␊
1388␉␉␉␉}␊
1389␊
1390␉␉␉␉// Allocate xsdt in Kernel memory area␊
1391␉␉␉␉xsdt_mod->Length += 8*ssdt_count - 8*dropoffset;␊
1392␉␉␉␉struct acpi_2_xsdt *xsdt_copy = (struct acpi_2_xsdt *)AllocateKernelMemory(xsdt_mod->Length);␊
1393␉␉␉␉memcpy(xsdt_copy, xsdt_mod, xsdt_mod->Length);␊
1394␉␉␉␉free(xsdt_mod); xsdt_mod = xsdt_copy;␊
1395␉␉␉␉rsdp_mod->XsdtAddress=(uint32_t)xsdt_mod;␊
1396␉␉␉␉xsdt_entries_num=(xsdt_mod->Length-sizeof(struct acpi_2_xsdt))/8;␊
1397␉␉␉␉xsdt_entries=(uint64_t *)(xsdt_mod+1);␊
1398␊
1399␉␉␉␉// Mozodojo: Insert additional SSDTs into XSDT␊
1400␉␉␉␉if(ssdt_count > 0) {␊
1401␉␉␉␉␉int j;␊
1402␊
1403␉␉␉␉␉for (j=0; j<ssdt_count; j++) {␊
1404␉␉␉␉␉␉xsdt_entries[i-dropoffset+j]=(uint32_t)new_ssdt[j];␊
1405␉␉␉␉␉}␊
1406␊
1407␉␉␉␉␉verbose("Added %d SSDT table(s) into XSDT\n", ssdt_count);␊
1408␉␉␉␉}␊
1409␊
1410␉␉␉␉// Correct the checksum of XSDT␊
1411␉␉␉␉xsdt_mod->Checksum=0;␊
1412␉␉␉␉xsdt_mod->Checksum=256-checksum8(xsdt_mod,xsdt_mod->Length);␊
1413␉␉␉} else {␊
1414␉␉␉drop_xsdt:␊
1415␊
1416␉␉␉␉DBG("About to drop XSDT\n");␊
1417␊
1418␉␉␉␉/*FIXME: Now we just hope that if MacOS doesn't find XSDT it reverts to RSDT. ␊
1419␉␉␉␉ * A Better strategy would be to generate␊
1420␉␉␉␉ */␊
1421␊
1422␉␉␉␉rsdp_mod->XsdtAddress=0xffffffffffffffffLL;␊
1423␉␉␉␉verbose("XSDT not found or XSDT incorrect\n");␊
1424␉␉␉}␊
1425␉␉}␊
1426␉␉DBG("\n");␊
1427␊
1428␉␉// Correct the checksum of RSDP␊
1429␊
1430␉␉DBG("RSDP: Original checksum %d, ", rsdp_mod->Checksum);␊
1431␉␉rsdp_mod->Checksum=0;␊
1432␉␉rsdp_mod->Checksum=256-checksum8(rsdp_mod,20);␊
1433␉␉DBG("New checksum %d\n", rsdp_mod->Checksum);␊
1434␊
1435␉␉if (version) {␊
1436␉␉␉DBG("RSDP: Original extended checksum %d, ", rsdp_mod->ExtendedChecksum);␊
1437␉␉␉rsdp_mod->ExtendedChecksum=0;␊
1438␉␉␉rsdp_mod->ExtendedChecksum=256-checksum8(rsdp_mod,rsdp_mod->Length);␊
1439␉␉␉DBG("New extended checksum %d\n", rsdp_mod->ExtendedChecksum);␊
1440␉␉}␊
1441␊
1442␉␉if (version)␊
1443␉␉{␊
1444␉␉␉/* XXX aserebln why uint32 cast if pointer is uint64 ? */␊
1445␉␉␉acpi20_p = (uint64_t)(uint32_t)rsdp_mod;␊
1446␉␉␉addConfigurationTable(&gEfiAcpi20TableGuid, &acpi20_p, "ACPI_20");␊
1447␉␉}␊
1448␉␉else␊
1449␉␉{␊
1450␉␉␉/* XXX aserebln why uint32 cast if pointer is uint64 ? */␊
1451␉␉␉acpi10_p = (uint64_t)(uint32_t)rsdp_mod;␊
1452␉␉␉addConfigurationTable(&gEfiAcpiTableGuid, &acpi10_p, "ACPI");␊
1453␉␉}␊
1454␉␉DBG("ACPI version %d patching finished\n\n", version+1);␊
1455␉}␊
1456#if DEBUG_ACPI␊
1457␉printf("Press a key to continue... (DEBUG_ACPI)\n");␊
1458␉getchar();␊
1459#endif␊
1460␉return 1;␊
1461}␊
1462

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