Chameleon

Chameleon Svn Source Tree

Root/branches/ErmaC/Enoch/i386/libsaio/acpi_patcher.c

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␉{␊
110␉␉snprintf(dirSpec, sizeof(dirSpec), "/Extra/%s", filename); ␊
111␉␉fd = open(dirSpec, 0);␊
112␉␉if (fd < 0)␊
113␉␉{␊
114␉␉␉snprintf(dirSpec, sizeof(dirSpec), "bt(0,0)/Extra/%s", filename);␊
115␉␉␉fd = open(dirSpec, 0);␊
116␉␉␉if (fd < 0)␊
117␉␉␉{␊
118␉␉␉␉// NOT FOUND:␊
119␉␉␉␉DBG("ACPI Table not found: %s\n", filename);␊
120␉␉␉␉*dirSpec = '\0';␊
121␉␉␉}␊
122␉␉}␊
123␉}␊
124␊
125␉if (outDirspec) *outDirspec = dirSpec; ␊
126␉return fd;␊
127}␊
128␊
129void *loadACPITable (const char * filename)␊
130{␊
131␉const char * dirspec=NULL;␊
132␊
133␉int fd = search_and_get_acpi_fd(filename, &dirspec);␊
134␊
135␉if (fd >= 0)␊
136␉{␊
137␉␉void *tableAddr = (void*)AllocateKernelMemory(file_size (fd));␊
138␉␉if (tableAddr)␊
139␉␉{␊
140␉␉␉if (read (fd, tableAddr, file_size (fd))!=file_size (fd))␊
141␉␉␉{␊
142␉␉␉␉DBG("Couldn't read table %s\n",dirspec);␊
143␉␉␉␉free (tableAddr);␊
144␉␉␉␉close (fd);␊
145␉␉␉␉return NULL;␊
146␉␉␉}␊
147␊
148␉␉␉DBG("Table %s read and stored at: %x\n", dirspec, tableAddr);␊
149␉␉␉close (fd);␊
150␉␉␉return tableAddr;␊
151␉␉}␊
152␉␉close (fd);␊
153␉␉DBG("Couldn't allocate memory for table \n", dirspec);␊
154␉} ␊
155␉//printf("Couldn't find table %s\n", filename);␊
156␉return NULL;␊
157}␊
158␊
159uint8_t␉acpi_cpu_count = 0;␊
160char* acpi_cpu_name[32];␊
161uint32_t acpi_cpu_p_blk = 0;␊
162␊
163void get_acpi_cpu_names(unsigned char* dsdt, uint32_t length)␊
164{␊
165␉uint32_t i;␊
166␊
167␉DBG("Start finding cpu names. length %d\n", length);␊
168␊
169␉for (i=0; i<length-7; i++)␊
170␉{␊
171␉␉if (dsdt[i] == 0x5B && dsdt[i+1] == 0x83) // ProcessorOP␊
172␉␉{␊
173␉␉␉DBG("DSDT: %x%x\n", dsdt[i], dsdt[i+1]);␊
174␊
175␉␉␉uint32_t offset = i + 3 + (dsdt[i+2] >> 6);␊
176␊
177␉␉␉bool add_name = true;␊
178␊
179␉␉␉uint8_t j;␊
180␊
181␉␉␉for (j=0; j<4; j++)␊
182␉␉␉{␊
183␉␉␉␉char c = dsdt[offset+j];␊
184␊
185␉␉␉␉if (!aml_isvalidchar(c))␊
186␉␉␉␉{␊
187␉␉␉␉␉add_name = false;␊
188␉␉␉␉␉DBG("Invalid character found in ProcessorOP 0x%x!\n", c);␊
189␉␉␉␉␉break;␊
190␉␉␉␉}␊
191␉␉␉}␊
192␊
193␉␉␉if (add_name)␊
194␉␉␉{␊
195␉␉␉␉acpi_cpu_name[acpi_cpu_count] = malloc(4);␊
196␉␉␉␉memcpy(acpi_cpu_name[acpi_cpu_count], dsdt+offset, 4);␊
197␉␉␉␉i = offset + 5;␊
198␊
199␉␉␉␉if (acpi_cpu_count == 0)␊
200␉␉␉␉{␊
201␉␉␉␉␉acpi_cpu_p_blk = dsdt[i] | (dsdt[i+1] << 8);␊
202␉␉␉␉}␊
203␊
204␉␉␉␉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]);␊
205␊
206␉␉␉␉if (++acpi_cpu_count == 32)␊
207␉␉␉␉{␊
208␉␉␉␉␉return;␊
209␉␉␉␉}␊
210␉␉␉}␊
211␉␉}␊
212␉}␊
213␊
214␉DBG("End finding cpu names: cpu names found: %d\n", acpi_cpu_count);␊
215}␊
216␊
217struct acpi_2_ssdt *generate_cst_ssdt(struct acpi_2_fadt* fadt)␊
218{␊
219␉static char const ssdt_header[] = // cst_ssdt_header␊
220␉{␊
221␉␉0x53, 0x53, 0x44, 0x54, 0xE7, 0x00, 0x00, 0x00, /* SSDT.... */␊
222␉␉0x01, 0x17, 0x50, 0x6D, 0x52, 0x65, 0x66, 0x41, /* ..PmRefA */␊
223␉␉0x43, 0x70, 0x75, 0x43, 0x73, 0x74, 0x00, 0x00, /* CpuCst.. */␊
224␉␉0x00, 0x10, 0x00, 0x00, 0x49, 0x4E, 0x54, 0x4C, /* ....INTL */␊
225␉␉0x31, 0x03, 0x10, 0x20␉␉␉␉␉␉␉/* 1.._␉␉*/␊
226␉};␊
227␉␊
228␉char resource_template_register_fixedhw[] =␊
229␉{␊
230␉␉0x11, 0x14, 0x0A, 0x11, 0x82, 0x0C, 0x00, 0x7F,␊
231␉␉0x01, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,␊
232␉␉0x00, 0x00, 0x01, 0x79, 0x00␊
233␉};␊
234␊
235␉char resource_template_register_systemio[] =␊
236␉{␊
237␉␉0x11, 0x14, 0x0A, 0x11, 0x82, 0x0C, 0x00, 0x01,␊
238␉␉0x08, 0x00, 0x00, 0x15, 0x04, 0x00, 0x00, 0x00,␊
239␉␉0x00, 0x00, 0x00, 0x79, 0x00,␊
240␉};␊
241␊
242␉if (Platform.CPU.Vendor != 0x756E6547) {␊
243␉␉DBG("Not an Intel platform: C-States will not be generated !!!\n");␊
244␉␉return NULL;␊
245␉}␊
246␊
247␉if (fadt == NULL) {␊
248␉␉DBG("FACP not exists: C-States will not be generated !!!\n");␊
249␉␉return NULL;␊
250␉}␊
251␊
252␉struct acpi_2_dsdt* dsdt = (void*)fadt->DSDT;␊
253␊
254␉if (dsdt == NULL) {␊
255␉␉DBG("DSDT not found: C-States will not be generated !!!\n");␊
256␉␉return NULL;␊
257␉}␊
258␊
259␉if (acpi_cpu_count == 0)␊
260␉␉get_acpi_cpu_names((void*)dsdt, dsdt->Length);␊
261␊
262␉if (acpi_cpu_count > 0)␊
263␉{␊
264␉␉bool c2_enabled = false;␊
265␉␉bool c3_enabled = false;␊
266␉␉bool c4_enabled = false;␊
267␉␉bool cst_using_systemio = false;␊
268␊
269␉␉getBoolForKey(kEnableC2State, &c2_enabled, &bootInfo->chameleonConfig);␊
270␉␉getBoolForKey(kEnableC3State, &c3_enabled, &bootInfo->chameleonConfig);␊
271␉␉getBoolForKey(kEnableC4State, &c4_enabled, &bootInfo->chameleonConfig);␊
272␉␉getBoolForKey(kCSTUsingSystemIO, &cst_using_systemio, &bootInfo->chameleonConfig);␊
273␊
274␉␉c2_enabled = c2_enabled | (fadt->C2_Latency < 100);␊
275␉␉c3_enabled = c3_enabled | (fadt->C3_Latency < 1000);␊
276␊
277␉␉unsigned char cstates_count = 1 + (c2_enabled ? 1 : 0) + (c3_enabled ? 1 : 0);␊
278␊
279␉␉AML_CHUNK* root = aml_create_node(NULL);␊
280␉␉aml_add_buffer(root, ssdt_header, sizeof(ssdt_header)); // SSDT header␊
281␉␉AML_CHUNK* scop = aml_add_scope(root, "\\_PR_");␊
282␉␉AML_CHUNK* name = aml_add_name(scop, "CST_");␊
283␉␉AML_CHUNK* pack = aml_add_package(name);␊
284␉␉aml_add_byte(pack, cstates_count);␊
285␊
286␉␉AML_CHUNK* tmpl = aml_add_package(pack);␊
287␉␉if (cst_using_systemio) {␊
288␉␉␉// C1␊
289␉␉␉resource_template_register_fixedhw[8] = 0x00;␊
290␉␉␉resource_template_register_fixedhw[9] = 0x00;␊
291␉␉␉resource_template_register_fixedhw[18] = 0x00;␊
292␉␉␉aml_add_buffer(tmpl, resource_template_register_fixedhw, sizeof(resource_template_register_fixedhw));␊
293␉␉␉aml_add_byte(tmpl, 0x01);␉␉// C1␊
294␉␉␉aml_add_word(tmpl, 0x0001);␉␉// Latency␊
295␉␉␉aml_add_dword(tmpl, 0x000003e8);␉// Power␊
296␊
297␉␉␉uint8_t p_blk_lo, p_blk_hi;␊
298␊
299␉␉␉if (c2_enabled) // C2␊
300␉␉␉{␊
301␉␉␉␉p_blk_lo = acpi_cpu_p_blk + 4;␊
302␉␉␉␉p_blk_hi = (acpi_cpu_p_blk + 4) >> 8;␊
303␊
304␉␉␉␉tmpl = aml_add_package(pack);␊
305␉␉␉␉resource_template_register_systemio[11] = p_blk_lo; // C2␊
306␉␉␉␉resource_template_register_systemio[12] = p_blk_hi; // C2␊
307␉␉␉␉aml_add_buffer(tmpl, resource_template_register_systemio, sizeof(resource_template_register_systemio));␊
308␉␉␉␉aml_add_byte(tmpl, 0x02);␉␉// C2␊
309␉␉␉␉aml_add_word(tmpl, 0x0040);␉␉// Latency␊
310␉␉␉␉aml_add_dword(tmpl, 0x000001f4);␉// Power␊
311␉␉␉}␊
312␊
313␉␉␉if (c4_enabled) // C4␊
314␉␉␉{␊
315␉␉␉␉p_blk_lo = acpi_cpu_p_blk + 5;␊
316␉␉␉␉p_blk_hi = (acpi_cpu_p_blk + 5) >> 8;␊
317␊
318␉␉␉␉tmpl = aml_add_package(pack);␊
319␉␉␉␉resource_template_register_systemio[11] = p_blk_lo; // C4␊
320␉␉␉␉resource_template_register_systemio[12] = p_blk_hi; // C4␊
321␉␉␉␉aml_add_buffer(tmpl, resource_template_register_systemio, sizeof(resource_template_register_systemio));␊
322␉␉␉␉aml_add_byte(tmpl, 0x04);␉␉// C4␊
323␉␉␉␉aml_add_word(tmpl, 0x0080);␉␉// Latency␊
324␉␉␉␉aml_add_dword(tmpl, 0x000000C8);␉// Power␊
325␉␉␉}␊
326␉␉␉else if (c3_enabled) // C3␊
327␉␉␉{␊
328␉␉␉␉p_blk_lo = acpi_cpu_p_blk + 5;␊
329␉␉␉␉p_blk_hi = (acpi_cpu_p_blk + 5) >> 8;␊
330␊
331␉␉␉␉tmpl = aml_add_package(pack);␊
332␉␉␉␉resource_template_register_systemio[11] = p_blk_lo; // C3␊
333␉␉␉␉resource_template_register_systemio[12] = p_blk_hi; // C3␊
334␉␉␉␉aml_add_buffer(tmpl, resource_template_register_systemio, sizeof(resource_template_register_systemio));␊
335␉␉␉␉aml_add_byte(tmpl, 0x03);␉␉// C3␊
336␉␉␉␉aml_add_word(tmpl, 0x0060);␉␉// Latency␊
337␉␉␉␉aml_add_dword(tmpl, 0x0000015e);␉// Power␊
338␉␉␉}␊
339␉␉}␊
340␉␉else␊
341␉␉{␊
342␉␉␉// C1␊
343␉␉␉resource_template_register_fixedhw[8] = 0x01;␊
344␉␉␉resource_template_register_fixedhw[9] = 0x02;␊
345␉␉␉resource_template_register_fixedhw[18] = 0x01;␊
346␊
347␉␉␉resource_template_register_fixedhw[11] = 0x00; // C1␊
348␉␉␉aml_add_buffer(tmpl, resource_template_register_fixedhw, sizeof(resource_template_register_fixedhw));␊
349␉␉␉aml_add_byte(tmpl, 0x01);␉␉// C1␊
350␉␉␉aml_add_word(tmpl, 0x0001);␉␉// Latency␊
351␉␉␉aml_add_dword(tmpl, 0x000003e8);␉// Power␊
352␊
353␉␉␉resource_template_register_fixedhw[18] = 0x03;␊
354␊
355␉␉␉if (c2_enabled) // C2␊
356␉␉␉{␊
357␉␉␉␉tmpl = aml_add_package(pack);␊
358␉␉␉␉resource_template_register_fixedhw[11] = 0x10; // C2␊
359␉␉␉␉aml_add_buffer(tmpl, resource_template_register_fixedhw, sizeof(resource_template_register_fixedhw));␊
360␉␉␉␉aml_add_byte(tmpl, 0x02);␉␉// C2␊
361␉␉␉␉aml_add_word(tmpl, 0x0040);␉␉// Latency␊
362␉␉␉␉aml_add_dword(tmpl, 0x000001f4);␉// Power␊
363␉␉␉}␊
364␊
365␉␉␉if (c4_enabled) // C4␊
366␉␉␉{␊
367␉␉␉␉tmpl = aml_add_package(pack);␊
368␉␉␉␉resource_template_register_fixedhw[11] = 0x30; // C4␊
369␉␉␉␉aml_add_buffer(tmpl, resource_template_register_fixedhw, sizeof(resource_template_register_fixedhw));␊
370␉␉␉␉aml_add_byte(tmpl, 0x04);␉␉// C4␊
371␉␉␉␉aml_add_word(tmpl, 0x0080);␉␉// Latency␊
372␉␉␉␉aml_add_dword(tmpl, 0x000000C8);␉// Power␊
373␉␉␉}␊
374␉␉␉else if (c3_enabled)␊
375␉␉␉{␊
376␉␉␉␉tmpl = aml_add_package(pack);␊
377␉␉␉␉resource_template_register_fixedhw[11] = 0x20; // C3␊
378␉␉␉␉aml_add_buffer(tmpl, resource_template_register_fixedhw, sizeof(resource_template_register_fixedhw));␊
379␉␉␉␉aml_add_byte(tmpl, 0x03);␉␉// C3␊
380␉␉␉␉aml_add_word(tmpl, 0x0060);␉␉// Latency␊
381␉␉␉␉aml_add_dword(tmpl, 0x0000015e);␉// Power␊
382␉␉␉}␊
383␉␉}␊
384␊
385␉␉// Aliaces␊
386␉␉int i;␊
387␉␉for (i = 0; i < acpi_cpu_count; i++) ␊
388␉␉{␊
389␉␉␉char name[9];␊
390␉␉␉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]);␊
391␊
392␉␉␉scop = aml_add_scope(root, name);␊
393␉␉␉␉aml_add_alias(scop, "CST_", "_CST");␊
394␉␉}␊
395␊
396␉␉aml_calculate_size(root);␊
397␊
398␉␉struct acpi_2_ssdt *ssdt = (struct acpi_2_ssdt *)AllocateKernelMemory(root->Size);␊
399␊
400␉␉aml_write_node(root, (void*)ssdt, 0);␊
401␊
402␉␉ssdt->Length = root->Size;␊
403␉␉ssdt->Checksum = 0;␊
404␉␉ssdt->Checksum = 256 - checksum8(ssdt, ssdt->Length);␊
405␊
406␉␉aml_destroy_node(root);␊
407␊
408␉␉// dumpPhysAddr("C-States SSDT content: ", ssdt, ssdt->Length);␊
409␉␉␊
410␉␉DBG("SSDT with CPU C-States generated successfully\n");␊
411␊
412␉␉return ssdt;␊
413␉} else {␊
414␉␉DBG("ACPI CPUs not found: C-States not generated !!!\n");␊
415␉}␊
416␊
417␉return NULL;␊
418}␊
419␊
420struct acpi_2_ssdt *generate_pss_ssdt(struct acpi_2_dsdt* dsdt)␊
421{␊
422␉static char const ssdt_header[] = // pss_ssdt_header␊
423␉{␊
424␉␉0x53, 0x53, 0x44, 0x54, 0x7E, 0x00, 0x00, 0x00, /* SSDT.... */␊
425␉␉0x01, 0x6A, 0x50, 0x6D, 0x52, 0x65, 0x66, 0x00, /* ..PmRef. */␊
426␉␉0x43, 0x70, 0x75, 0x50, 0x6D, 0x00, 0x00, 0x00, /* CpuPm... */␊
427␉␉0x00, 0x30, 0x00, 0x00, 0x49, 0x4E, 0x54, 0x4C, /* .0..INTL */␊
428␉␉0x31, 0x03, 0x10, 0x20,␉␉␉␉␉␉␉/* 1.._␉␉*/␊
429␉};␊
430␊
431␉if (Platform.CPU.Vendor != 0x756E6547) {␊
432␉␉DBG("Not an Intel platform: P-States will not be generated !!!\n");␊
433␉␉return NULL;␊
434␉}␊
435␊
436␉if (!(Platform.CPU.Features & CPU_FEATURE_MSR)) {␊
437␉␉DBG("Unsupported CPU: P-States will not be generated !!! No MSR support\n");␊
438␉␉return NULL;␊
439␉}␊
440␊
441␉if (acpi_cpu_count == 0)␊
442␉␉get_acpi_cpu_names((void*)dsdt, dsdt->Length);␊
443␊
444␉if (acpi_cpu_count > 0)␊
445␉{␊
446␉␉struct p_state initial, maximum, minimum, p_states[32];␊
447␉␉uint8_t p_states_count = 0;␊
448␊
449␉␉// Retrieving P-States, ported from code by superhai (c)␊
450␉␉switch (Platform.CPU.Family) {␊
451␉␉␉case 0x06:␊
452␉␉␉{␊
453␉␉␉␉switch (Platform.CPU.Model) ␊
454␉␉␉␉{␊
455␉␉␉␉␉case CPU_MODEL_DOTHAN:␉// Intel Pentium M␊
456␉␉␉␉␉case CPU_MODEL_YONAH:␉// Intel Mobile Core Solo, Duo␊
457␉␉␉␉␉case CPU_MODEL_MEROM:␉// Intel Mobile Core 2 Solo, Duo, Xeon 30xx, Xeon 51xx, Xeon X53xx, Xeon E53xx, Xeon X32xx␊
458␉␉␉␉␉case CPU_MODEL_PENRYN:␉// Intel Core 2 Solo, Duo, Quad, Extreme, Xeon X54xx, Xeon X33xx␊
459␉␉␉␉␉case CPU_MODEL_ATOM:␉// Intel Atom (45nm)␊
460␉␉␉␉␉{␊
461␉␉␉␉␉␉bool cpu_dynamic_fsb = false;␊
462␊
463␉␉␉␉␉␉if (rdmsr64(MSR_IA32_EXT_CONFIG) & (1 << 27)) ␊
464␉␉␉␉␉␉{␊
465␉␉␉␉␉␉␉wrmsr64(MSR_IA32_EXT_CONFIG, (rdmsr64(MSR_IA32_EXT_CONFIG) | (1 << 28))); ␊
466␉␉␉␉␉␉␉delay(1);␊
467␉␉␉␉␉␉␉cpu_dynamic_fsb = rdmsr64(MSR_IA32_EXT_CONFIG) & (1 << 28);␊
468␉␉␉␉␉␉}␊
469␊
470␉␉␉␉␉␉bool cpu_noninteger_bus_ratio = (rdmsr64(MSR_IA32_PERF_STATUS) & (1ULL << 46));␊
471␊
472␉␉␉␉␉␉initial.Control = rdmsr64(MSR_IA32_PERF_STATUS);␊
473␊
474␉␉␉␉␉␉maximum.Control = ((rdmsr64(MSR_IA32_PERF_STATUS) >> 32) & 0x1F3F) | (0x4000 * cpu_noninteger_bus_ratio);␊
475␉␉␉␉␉␉maximum.CID = ((maximum.FID & 0x1F) << 1) | cpu_noninteger_bus_ratio;␊
476␊
477␉␉␉␉␉␉minimum.FID = ((rdmsr64(MSR_IA32_PERF_STATUS) >> 24) & 0x1F) | (0x80 * cpu_dynamic_fsb);␊
478␉␉␉␉␉␉minimum.VID = ((rdmsr64(MSR_IA32_PERF_STATUS) >> 48) & 0x3F);␊
479␊
480␉␉␉␉␉␉if (minimum.FID == 0) ␊
481␉␉␉␉␉␉{␊
482␉␉␉␉␉␉␉uint64_t msr;␊
483␉␉␉␉␉␉␉uint8_t i;␊
484␉␉␉␉␉␉␉// Probe for lowest fid␊
485␉␉␉␉␉␉␉for (i = maximum.FID; i >= 0x6; i--)␊
486␉␉␉␉␉␉␉{␊
487␉␉␉␉␉␉␉␉msr = rdmsr64(MSR_IA32_PERF_CONTROL);␊
488␉␉␉␉␉␉␉␉wrmsr64(MSR_IA32_PERF_CONTROL, (msr & 0xFFFFFFFFFFFF0000ULL) | (i << 8) | minimum.VID);␊
489␉␉␉␉␉␉␉␉intel_waitforsts();␊
490␉␉␉␉␉␉␉␉minimum.FID = (rdmsr64(MSR_IA32_PERF_STATUS) >> 8) & 0x1F; ␊
491␉␉␉␉␉␉␉␉delay(1);␊
492␉␉␉␉␉␉␉}␊
493␊
494␉␉␉␉␉␉␉msr = rdmsr64(MSR_IA32_PERF_CONTROL);␊
495␉␉␉␉␉␉␉wrmsr64(MSR_IA32_PERF_CONTROL, (msr & 0xFFFFFFFFFFFF0000ULL) | (maximum.FID << 8) | maximum.VID);␊
496␉␉␉␉␉␉␉intel_waitforsts();␊
497␉␉␉␉␉␉}␊
498␊
499␉␉␉␉␉␉if (minimum.VID == maximum.VID) ␊
500␉␉␉␉␉␉{␊
501␉␉␉␉␉␉␉uint64_t msr;␊
502␉␉␉␉␉␉␉uint8_t i;␊
503␉␉␉␉␉␉␉// Probe for lowest vid␊
504␉␉␉␉␉␉␉for (i = maximum.VID; i > 0xA; i--) ␊
505␉␉␉␉␉␉␉{␊
506␉␉␉␉␉␉␉␉msr = rdmsr64(MSR_IA32_PERF_CONTROL);␊
507␉␉␉␉␉␉␉␉wrmsr64(MSR_IA32_PERF_CONTROL, (msr & 0xFFFFFFFFFFFF0000ULL) | (minimum.FID << 8) | i);␊
508␉␉␉␉␉␉␉␉intel_waitforsts();␊
509␉␉␉␉␉␉␉␉minimum.VID = rdmsr64(MSR_IA32_PERF_STATUS) & 0x3F; ␊
510␉␉␉␉␉␉␉␉delay(1);␊
511␉␉␉␉␉␉␉}␊
512␊
513␉␉␉␉␉␉␉msr = rdmsr64(MSR_IA32_PERF_CONTROL);␊
514␉␉␉␉␉␉␉wrmsr64(MSR_IA32_PERF_CONTROL, (msr & 0xFFFFFFFFFFFF0000ULL) | (maximum.FID << 8) | maximum.VID);␊
515␉␉␉␉␉␉␉intel_waitforsts();␊
516␉␉␉␉␉␉}␊
517␊
518␉␉␉␉␉␉minimum.CID = ((minimum.FID & 0x1F) << 1) >> cpu_dynamic_fsb;␊
519␊
520␉␉␉␉␉␉// Sanity check␊
521␉␉␉␉␉␉if (maximum.CID < minimum.CID) {␊
522␉␉␉␉␉␉␉DBG("P-States: Insane FID values!");␊
523␉␉␉␉␉␉␉p_states_count = 0;␊
524␉␉␉␉␉␉} else {␊
525␉␉␉␉␉␉␉uint8_t vidstep;␊
526␉␉␉␉␉␉␉uint8_t u, invalid = 0;␊
527␉␉␉␉␉␉␉// Finalize P-States␊
528␉␉␉␉␉␉␉// Find how many P-States machine supports␊
529␉␉␉␉␉␉␉p_states_count = (uint8_t)(maximum.CID - minimum.CID + 1);␊
530␊
531␉␉␉␉␉␉␉if (p_states_count > 32) {␊
532␉␉␉␉␉␉␉␉p_states_count = 32;␊
533␉␉␉␉␉␉␉}␊
534␊
535␉␉␉␉␉␉␉vidstep = ((maximum.VID << 2) - (minimum.VID << 2)) / (p_states_count - 1);␊
536␊
537␉␉␉␉␉␉␉for (u = 0; u < p_states_count; u++) {␊
538␉␉␉␉␉␉␉␉uint8_t i = u - invalid;␊
539␊
540␉␉␉␉␉␉␉␉p_states[i].CID = maximum.CID - u;␊
541␉␉␉␉␉␉␉␉p_states[i].FID = (uint8_t)(p_states[i].CID >> 1);␊
542␊
543␉␉␉␉␉␉␉␉if (p_states[i].FID < 0x6) {␊
544␉␉␉␉␉␉␉␉␉if (cpu_dynamic_fsb) {␊
545␉␉␉␉␉␉␉␉␉␉p_states[i].FID = (p_states[i].FID << 1) | 0x80;␊
546␉␉␉␉␉␉␉␉␉}␊
547␉␉␉␉␉␉␉␉} else if (cpu_noninteger_bus_ratio) {␊
548␉␉␉␉␉␉␉␉␉p_states[i].FID = p_states[i].FID | (0x40 * (p_states[i].CID & 0x1));␊
549␉␉␉␉␉␉␉␉}␊
550␊
551␉␉␉␉␉␉␉␉if (i && p_states[i].FID == p_states[i-1].FID) {␊
552␉␉␉␉␉␉␉␉␉invalid++;␊
553␉␉␉␉␉␉␉␉}␊
554␉␉␉␉␉␉␉␉p_states[i].VID = ((maximum.VID << 2) - (vidstep * u)) >> 2;␊
555␉␉␉␉␉␉␉␉uint32_t multiplier = p_states[i].FID & 0x1f;␉␉// = 0x08␊
556␉␉␉␉␉␉␉␉bool half = p_states[i].FID & 0x40;␉␉␉␉␉// = 0x01␊
557␉␉␉␉␉␉␉␉bool dfsb = p_states[i].FID & 0x80;␉␉␉␉␉// = 0x00␊
558␉␉␉␉␉␉␉␉uint32_t fsb = (uint32_t)(Platform.CPU.FSBFrequency / 1000000); // = 400␊
559␉␉␉␉␉␉␉␉uint32_t halffsb = (fsb + 1) >> 1;␉␉␉␉␉// = 200␊
560␉␉␉␉␉␉␉␉uint32_t frequency = (multiplier * fsb);␉␉␉// = 3200␊
561␊
562␉␉␉␉␉␉␉␉p_states[i].Frequency = (uint32_t)(frequency + (half * halffsb)) >> dfsb;␉// = 3200 + 200 = 3400␊
563␉␉␉␉␉␉␉}␊
564␊
565␉␉␉␉␉␉␉p_states_count -= invalid;␊
566␉␉␉␉␉␉}␊
567␊
568␉␉␉␉␉␉break;␊
569␉␉␉␉␉}␊
570␉␉␉␉␉case CPU_MODEL_FIELDS:␉␉// Intel Core i5, i7, Xeon X34xx LGA1156 (45nm)␊
571␉␉␉␉␉case CPU_MODEL_DALES:␉␉␊
572␉␉␉␉␉case CPU_MODEL_DALES_32NM:␉// Intel Core i3, i5 LGA1156 (32nm)␊
573␉␉␉␉␉case CPU_MODEL_NEHALEM:␉␉// Intel Core i7, Xeon W35xx, Xeon X55xx, Xeon E55xx LGA1366 (45nm)␊
574␉␉␉␉␉case CPU_MODEL_NEHALEM_EX:␉// Intel Xeon X75xx, Xeon X65xx, Xeon E75xx, Xeon E65xx␊
575␉␉␉␉␉case CPU_MODEL_WESTMERE:␉// Intel Core i7, Xeon X56xx, Xeon E56xx, Xeon W36xx LGA1366 (32nm) 6 Core␊
576␉␉␉␉␉case CPU_MODEL_WESTMERE_EX:␉// Intel Xeon E7␊
577␉␉␉␉␉case CPU_MODEL_SANDYBRIDGE:␉// Intel Core i3, i5, i7 LGA1155 (32nm)␊
578␉␉␉␉␉case CPU_MODEL_JAKETOWN:// Intel Core i7, Xeon E5 LGA2011 (32nm)␊
579␉␉␉␉␉case CPU_MODEL_IVYBRIDGE:␉// Intel Core i3, i5, i7 LGA1155 (22nm)␊
580␉␉␉␉␉case CPU_MODEL_HASWELL:␉//␊
581␉␉␉␉␉case CPU_MODEL_IVYBRIDGE_XEON: //␊
582␉␉␉␉␉//case CPU_MODEL_HASWELL_H:␉//␊
583␉␉␉␉␉case CPU_MODEL_HASWELL_SVR:␉//␊
584␉␉␉␉␉case CPU_MODEL_HASWELL_ULT:␉//␊
585␉␉␉␉␉case CPU_MODEL_CRYSTALWELL:␉//␊
586␊
587␉␉␉␉␉{␊
588␉␉␉␉␉if ((Platform.CPU.Model == CPU_MODEL_SANDYBRIDGE) || (Platform.CPU.Model == CPU_MODEL_JAKETOWN) ||␊
589␉␉␉␉␉␉(Platform.CPU.Model == CPU_MODEL_IVYBRIDGE) || (Platform.CPU.Model == CPU_MODEL_HASWELL) ||␊
590␉␉␉␉␉␉(Platform.CPU.Model == CPU_MODEL_IVYBRIDGE_XEON) || (Platform.CPU.Model == CPU_MODEL_HASWELL_SVR) ||␊
591␉␉␉␉␉␉(Platform.CPU.Model == CPU_MODEL_HASWELL_ULT) || (Platform.CPU.Model == CPU_MODEL_CRYSTALWELL))␊
592␉␉␉␉␉{␊
593␉␉␉␉␉␉maximum.Control = (rdmsr64(MSR_IA32_PERF_STATUS) >> 8) & 0xff;␊
594␉␉␉␉␉} else {␊
595␉␉␉␉␉␉maximum.Control = rdmsr64(MSR_IA32_PERF_STATUS) & 0xff;␊
596␉␉␉␉␉}␊
597␊
598␉␉␉␉␉minimum.Control = (rdmsr64(MSR_PLATFORM_INFO) >> 40) & 0xff;␊
599␊
600␉␉␉␉␉␉DBG("P-States: min 0x%x, max 0x%x\n", minimum.Control, maximum.Control);␊
601␊
602␉␉␉␉␉␉// Sanity check␊
603␉␉␉␉␉␉if (maximum.Control < minimum.Control) {␊
604␉␉␉␉␉␉␉DBG("Insane control values!");␊
605␉␉␉␉␉␉␉p_states_count = 0;␊
606␉␉␉␉␉␉} else {␊
607␉␉␉␉␉␉␉uint8_t i;␊
608␉␉␉␉␉␉␉p_states_count = 0;␊
609␊
610␉␉␉␉␉␉␉for (i = maximum.Control; i >= minimum.Control; i--) {␊
611␉␉␉␉␉␉␉␉p_states[p_states_count].Control = i;␊
612␉␉␉␉␉␉␉␉p_states[p_states_count].CID = p_states[p_states_count].Control << 1;␊
613␉␉␉␉␉␉␉␉p_states[p_states_count].Frequency = (Platform.CPU.FSBFrequency / 1000000) * i;␊
614␉␉␉␉␉␉␉␉p_states_count++;␊
615␉␉␉␉␉␉␉}␊
616␉␉␉␉␉␉}␊
617␊
618␉␉␉␉␉␉break;␊
619␉␉␉␉␉}␊
620␉␉␉␉␉default:␊
621␉␉␉␉␉␉DBG("Unsupported CPU (0x%X): P-States not generated !!!\n", Platform.CPU.Family);␊
622␉␉␉␉␉␉break;␊
623␉␉␉␉}␊
624␉␉␉}␊
625␉␉}␊
626␊
627␉␉// Generating SSDT␊
628␉␉if (p_states_count > 0) {␊
629␉␉␉int i;␊
630␊
631␉␉␉AML_CHUNK* root = aml_create_node(NULL);␊
632␉␉␉␉aml_add_buffer(root, ssdt_header, sizeof(ssdt_header)); // SSDT header␊
633␉␉␉␉␉AML_CHUNK* scop = aml_add_scope(root, "\\_PR_");␊
634␉␉␉␉␉␉AML_CHUNK* name = aml_add_name(scop, "PSS_");␊
635␉␉␉␉␉␉␉AML_CHUNK* pack = aml_add_package(name);␊
636␊
637␉␉␉␉␉␉␉␉for (i = 0; i < p_states_count; i++) {␊
638␉␉␉␉␉␉␉␉␉AML_CHUNK* pstt = aml_add_package(pack);␊
639␊
640␉␉␉␉␉␉␉␉␉aml_add_dword(pstt, p_states[i].Frequency);␊
641␉␉␉␉␉␉␉␉␉aml_add_dword(pstt, 0x00000000); // Power␊
642␉␉␉␉␉␉␉␉␉aml_add_dword(pstt, 0x0000000A); // Latency␊
643␉␉␉␉␉␉␉␉␉aml_add_dword(pstt, 0x0000000A); // Latency␊
644␉␉␉␉␉␉␉␉␉aml_add_dword(pstt, p_states[i].Control);␊
645␉␉␉␉␉␉␉␉␉aml_add_dword(pstt, i+1); // Status␊
646␉␉␉␉␉␉␉␉}␊
647␊
648␉␉␉// Add aliaces␊
649␉␉␉for (i = 0; i < acpi_cpu_count; i++) {␊
650␉␉␉␉char name[9];␊
651␉␉␉␉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]);␊
652␊
653␉␉␉␉scop = aml_add_scope(root, name);␊
654␉␉␉␉aml_add_alias(scop, "PSS_", "_PSS");␊
655␉␉␉}␊
656␊
657␉␉␉aml_calculate_size(root);␊
658␊
659␉␉␉struct acpi_2_ssdt *ssdt = (struct acpi_2_ssdt *)AllocateKernelMemory(root->Size);␊
660␊
661␉␉␉aml_write_node(root, (void*)ssdt, 0);␊
662␊
663␉␉␉ssdt->Length = root->Size;␊
664␉␉␉ssdt->Checksum = 0;␊
665␉␉␉ssdt->Checksum = 256 - (uint8_t)(checksum8(ssdt, ssdt->Length));␊
666␊
667␉␉␉aml_destroy_node(root);␊
668␊
669␉␉␉//dumpPhysAddr("P-States SSDT content: ", ssdt, ssdt->Length);␊
670␊
671␉␉␉DBG("SSDT with CPU P-States generated successfully\n");␊
672␊
673␉␉␉return ssdt;␊
674␉␉}␊
675␉} else {␊
676␉␉DBG("ACPI CPUs not found: P-States not generated !!!\n");␊
677␉}␊
678␊
679␉return NULL;␊
680}␊
681␊
682struct acpi_2_fadt *patch_fadt(struct acpi_2_fadt *fadt, struct acpi_2_dsdt *new_dsdt)␊
683{␊
684␉extern void setupSystemType(); ␊
685␊
686␉struct acpi_2_fadt *fadt_mod = NULL;␊
687␉bool fadt_rev2_needed = false;␊
688␉bool fix_restart;␊
689␉bool fix_restart_ps2;␊
690␉const char * value;␊
691␊
692␉// Restart Fix␊
693␉if (Platform.CPU.Vendor == 0x756E6547)␊
694␉{␉/* Intel */␊
695␉␉fix_restart = true;␊
696␉␉fix_restart_ps2 = false;␊
697␉␉if ( getBoolForKey(kPS2RestartFix, &fix_restart_ps2, &bootInfo->chameleonConfig) && fix_restart_ps2)␊
698␉␉{␊
699␉␉␉fix_restart = true;␊
700␉␉}␊
701␉␉else␊
702␉␉{␊
703␉␉␉getBoolForKey(kRestartFix, &fix_restart, &bootInfo->chameleonConfig);␊
704␉␉}␊
705␉}␊
706␉else␊
707␉{␊
708␉␉DBG("Not an Intel platform: Restart Fix not applied !!!\n");␊
709␉␉fix_restart = false;␊
710␉}␊
711␊
712␉if (fix_restart)␊
713␉{␊
714␉␉fadt_rev2_needed = true;␊
715␉}␊
716␊
717␉// Allocate new fadt table␊
718␉if (fadt->Length < 0x84 && fadt_rev2_needed)␊
719␉{␊
720␉␉fadt_mod=(struct acpi_2_fadt *)AllocateKernelMemory(0x84);␊
721␉␉memcpy(fadt_mod, fadt, fadt->Length);␊
722␉␉fadt_mod->Length = 0x84;␊
723␉␉fadt_mod->Revision = 0x02; // FADT rev 2 (ACPI 1.0B MS extensions)␊
724␉}␊
725␉else␊
726␉{␊
727␉␉fadt_mod=(struct acpi_2_fadt *)AllocateKernelMemory(fadt->Length);␊
728␉␉memcpy(fadt_mod, fadt, fadt->Length);␊
729␉}␊
730␉// Determine system type / PM_Model␊
731␉if ( (value=getStringForKey(kSystemType, &bootInfo->chameleonConfig))!=NULL)␊
732␉{␊
733␉␉if (Platform.Type > 6)␊
734␉␉{␊
735␉␉␉if(fadt_mod->PM_Profile<=6)␊
736␉␉␉{␊
737␉␉␉␉Platform.Type = fadt_mod->PM_Profile; // get the fadt if correct␊
738␉␉␉}␊
739␉␉␉else␊
740␉␉␉{␊
741␉␉␉␉Platform.Type = 1;␉␉/* Set a fixed value (Desktop) */␊
742␉␉␉}␊
743␉␉␉DBG("Error: system-type must be 0..6. Defaulting to %d !\n", Platform.Type);␊
744␉␉}␊
745␉␉else␊
746␉␉{␊
747␉␉␉Platform.Type = (unsigned char) strtoul(value, NULL, 10);␊
748␉␉}␊
749␉}␊
750␉// Set PM_Profile from System-type if only user wanted this value to be forced␊
751␉if (fadt_mod->PM_Profile != Platform.Type)␊
752␉{␊
753␉␉if (value)␊
754␉␉{␊
755␉␉␉// user has overriden the SystemType so take care of it in FACP␊
756␉␉␉DBG("FADT: changing PM_Profile from 0x%02x to 0x%02x\n", fadt_mod->PM_Profile, Platform.Type);␊
757␉␉␉fadt_mod->PM_Profile = Platform.Type;␊
758␉␉}␊
759␉␉else␊
760␉␉{␊
761␉␉␉// PM_Profile has a different value and no override has been set, so reflect the user value to ioregs␊
762␉␉␉Platform.Type = fadt_mod->PM_Profile <= 6 ? fadt_mod->PM_Profile : 1;␊
763␉␉}␊
764␉}␊
765␉// We now have to write the systemm-type in ioregs: we cannot do it before in setupDeviceTree()␊
766␉// because we need to take care of FACP original content, if it is correct.␊
767␉setupSystemType();␊
768␊
769␉// Patch FADT to fix restart␊
770␉if (fix_restart)␊
771␉{␊
772␉␉if (fix_restart_ps2)␊
773␉␉{␊
774␉␉␉fadt_mod->Flags|= 0x400;␊
775␉␉␉fadt_mod->Reset_SpaceID␉␉= 0x01; // System I/O␊
776␉␉␉fadt_mod->Reset_BitWidth␉= 0x08; // 1 byte␊
777␉␉␉fadt_mod->Reset_BitOffset␉= 0x00; // Offset 0␊
778␉␉␉fadt_mod->Reset_AccessWidth␉= 0x01; // Byte access␊
779␉␉␉fadt_mod->Reset_Address␉␉= 0x64; // Address of the register␊
780␉␉␉fadt_mod->Reset_Value␉␉= 0xfe; // Value to write to reset the system␊
781␉␉␉DBG("FADT: PS2 Restart Fix applied!\n");␊
782␉␉}␊
783␉␉else␊
784␉␉{␊
785␉␉␉fadt_mod->Flags|= 0x400;␊
786␉␉␉fadt_mod->Reset_SpaceID␉␉= 0x01; // System I/O␊
787␉␉␉fadt_mod->Reset_BitWidth␉= 0x08; // 1 byte␊
788␉␉␉fadt_mod->Reset_BitOffset␉= 0x00; // Offset 0␊
789␉␉␉fadt_mod->Reset_AccessWidth␉= 0x01; // Byte access␊
790␉␉␉fadt_mod->Reset_Address␉␉= 0x0cf9; // Address of the register␊
791␉␉␉fadt_mod->Reset_Value␉␉= 0x06; // Value to write to reset the system␊
792␉␉␉DBG("FADT: ACPI Restart Fix applied!\n");␊
793␉␉}␊
794␊
795␉}␊
796␊
797␉// Patch DSDT Address if we have loaded DSDT.aml␊
798␉if(new_dsdt)␊
799␉{␊
800␉␉DBG("DSDT: Old @%x,%x, ",fadt_mod->DSDT,fadt_mod->X_DSDT);␊
801␊
802␉␉fadt_mod->DSDT=(uint32_t)new_dsdt;␊
803␉␉if ((uint32_t)(&(fadt_mod->X_DSDT))-(uint32_t)fadt_mod+8<=fadt_mod->Length)␊
804␉␉{␊
805␉␉␉fadt_mod->X_DSDT=(uint32_t)new_dsdt;␊
806␉␉}␊
807␊
808␉␉DBG("New @%x,%x\n",fadt_mod->DSDT,fadt_mod->X_DSDT);␊
809␊
810␉␉DBG("FADT: Using custom DSDT!\n");␊
811␉}␊
812␊
813␉// Correct the checksum␊
814␉fadt_mod->Checksum=0;␊
815␉fadt_mod->Checksum=256-checksum8(fadt_mod,fadt_mod->Length);␊
816␊
817␉return fadt_mod;␊
818}␊
819␊
820/* Setup ACPI without replacing DSDT. */␊
821int setupAcpiNoMod()␊
822{␊
823//␉addConfigurationTable(&gEfiAcpiTableGuid, getAddressOfAcpiTable(), "ACPI");␊
824//␉addConfigurationTable(&gEfiAcpi20TableGuid, getAddressOfAcpi20Table(), "ACPI_20");␊
825␉/* XXX aserebln why uint32 cast if pointer is uint64 ? */␊
826␉acpi10_p = (uint64_t)(uint32_t)getAddressOfAcpiTable();␊
827␉acpi20_p = (uint64_t)(uint32_t)getAddressOfAcpi20Table();␊
828␉addConfigurationTable(&gEfiAcpiTableGuid, &acpi10_p, "ACPI");␊
829␉if(acpi20_p)␊
830␉{␊
831␉␉addConfigurationTable(&gEfiAcpi20TableGuid, &acpi20_p, "ACPI_20");␊
832␉}␊
833␉else␊
834␉{␊
835␉␉DBG("No ACPI 2.\n");␊
836␉}␊
837␉return 1;␊
838}␊
839␊
840/* Setup ACPI. Replace DSDT if DSDT.aml is found */␊
841int setupAcpi(void)␊
842{␊
843␉int version;␊
844␊
845␉// ACPI Tables␊
846␉bool drop_dmar = getBoolForKey(kDropDMAR, &drop_dmar, &bootInfo->chameleonConfig);␊
847␉bool drop_hpet = getBoolForKey(kDropHPET, &drop_hpet, &bootInfo->chameleonConfig);␊
848␉bool drop_slic = getBoolForKey(kDropSLIC, &drop_slic, &bootInfo->chameleonConfig);␊
849␉bool drop_sbst = getBoolForKey(kDropSBST, &drop_sbst, &bootInfo->chameleonConfig);␊
850␉bool drop_ecdt = getBoolForKey(kDropECDT, &drop_ecdt, &bootInfo->chameleonConfig);␊
851␉bool drop_asft = getBoolForKey(kDropASFT, &drop_asft, &bootInfo->chameleonConfig);␊
852␊
853␉void *new_dsdt = NULL; // DSDT.aml DSDT␊
854␉void *new_hpet = NULL; // HPET.aml HPET␊
855␉void *new_sbst = NULL; // SBST.aml SBST␊
856␉void *new_ecdt = NULL; // ECDT.aml ECDT␊
857␉void *new_asft = NULL; // ASFT.aml ASF!␊
858␉void *new_dmar = NULL; // DMAR.aml DMAR␊
859␉void *new_apic = NULL; // APIC.aml APIC␊
860␉void *new_mcfg = NULL; // MCFG.aml MCFG␊
861␊
862␉const char *filename;␊
863␉char dirSpec[128];␊
864␉int len = 0;␊
865␊
866␉// always reset cpu count to 0 when injecting new acpi␊
867␉acpi_cpu_count = 0;␊
868␊
869␉/* Try using the file specified with the DSDT option */␊
870␉if (getValueForKey(kDSDT, &filename, &len, &bootInfo->chameleonConfig))␊
871␉{␊
872␉␉snprintf(dirSpec, sizeof(dirSpec), filename);␊
873␉}␊
874␉else␊
875␉{␊
876␉␉sprintf(dirSpec, "DSDT.aml");␊
877␉␉//verbose("dirSpec, DSDT.aml");␊
878␉}␊
879␊
880␉// Load replacement DSDT␊
881␉new_dsdt = loadACPITable(dirSpec);␊
882␊
883␉/* Try using the file specified with the HPET option */␊
884␉if (getValueForKey(kHPET, &filename, &len, &bootInfo->chameleonConfig))␊
885␉{␊
886␉␉snprintf(dirSpec, sizeof(dirSpec), filename);␊
887␉}␊
888␉else␊
889␉{␊
890␉␉sprintf(dirSpec, "HPET.aml");␊
891␉}␊
892␉// Load replacement HPET␊
893␉new_hpet = loadACPITable(dirSpec);␊
894␊
895␉/* Try using the file specified with the SBST option */␊
896␉if (getValueForKey(kSBST, &filename, &len, &bootInfo->chameleonConfig))␊
897␉{␊
898␉␉snprintf(dirSpec, sizeof(dirSpec), filename);␊
899␉}␊
900␉else␊
901␉{␊
902␉␉sprintf(dirSpec, "SBST.aml");␊
903␉}␊
904␉// Load replacement SBST␊
905␉new_sbst = loadACPITable(dirSpec);␊
906␊
907␉/* Try using the file specified with the ECDT option */␊
908␉if (getValueForKey(kECDT, &filename, &len, &bootInfo->chameleonConfig))␊
909␉{␊
910␉␉snprintf(dirSpec, sizeof(dirSpec), filename);␊
911␉}␊
912␉else␊
913␉{␊
914␉␉sprintf(dirSpec, "ECDT.aml");␊
915␉}␊
916␉// Load replacement ECDT␊
917␉new_ecdt = loadACPITable(dirSpec);␊
918␊
919␉/* Try using the file specified with the ASF! option */␊
920␉if (getValueForKey(kASFT, &filename, &len, &bootInfo->chameleonConfig))␊
921␉{␊
922␉␉snprintf(dirSpec, sizeof(dirSpec), filename);␊
923␉}␊
924␉else␊
925␉{␊
926␉␉sprintf(dirSpec, "ASFT.aml");␊
927␉}␊
928␉// Load replacement ASF!␊
929␉new_asft = loadACPITable(dirSpec);␊
930␊
931␉/* Try using the file specified with the DMAR option */␊
932␉if (getValueForKey(kDMAR, &filename, &len, &bootInfo->chameleonConfig))␊
933␉{␊
934␉␉snprintf(dirSpec, sizeof(dirSpec), filename);␊
935␉}␊
936␉else␊
937␉{␊
938␉␉sprintf(dirSpec, "DMAR.aml");␊
939␉}␊
940␉// Load replacement DMAR␊
941␉new_dmar = loadACPITable(dirSpec);␊
942␊
943␉/* Try using the file specified with the APIC option */␊
944␉if (getValueForKey(kAPIC, &filename, &len, &bootInfo->chameleonConfig))␊
945␉{␊
946␉␉snprintf(dirSpec, sizeof(dirSpec), filename);␊
947␉}␊
948␉else␊
949␉{␊
950␉␉sprintf(dirSpec, "APIC.aml");␊
951␉}␊
952␉// Load replacement APIC␊
953␉new_apic = loadACPITable(dirSpec);␊
954␊
955␉// Try using the file specified with the MCFG option */␊
956␉if (getValueForKey(kMCFG, &filename, &len, &bootInfo->chameleonConfig))␊
957␉{␊
958␉␉snprintf(dirSpec, sizeof(dirSpec), filename);␊
959␉}␊
960␉else␊
961␉{␊
962␉␉sprintf(dirSpec, "MCFG.aml");␊
963␉}␊
964␉// Load replacement MCFG␊
965␉new_mcfg = loadACPITable(dirSpec);␊
966␊
967␉// Mozodojo: going to patch FACP and load SSDT's even if DSDT.aml is not present␊
968␉/*if (!new_dsdt)␊
969␉ {␊
970␉ return setupAcpiNoMod();␊
971␉ }*/␊
972␊
973␉// Mozodojo: Load additional SSDTs␊
974␉struct acpi_2_ssdt *new_ssdt[32]; // 30 + 2 additional tables for pss & cst␊
975␉int ssdt_count=0;␊
976␊
977␉// SSDT Options␊
978␉bool drop_ssdt=false, generate_pstates=false, generate_cstates=false;␊
979␊
980␉getBoolForKey(kDropSSDT, &drop_ssdt, &bootInfo->chameleonConfig);␊
981␉getBoolForKey(kGeneratePStates, &generate_pstates, &bootInfo->chameleonConfig);␊
982␉getBoolForKey(kGenerateCStates, &generate_cstates, &bootInfo->chameleonConfig);␊
983␉//getBoolForKey(kGenerateTStates, &generate_tstates, &bootInfo->chameleonConfig);␊
984␊
985␉DBG("Generating P-States config: %s\n", generate_pstates ? "YES" : "NO");␊
986␉DBG("Generating C-States config: %s\n", generate_cstates ? "YES" : "NO");␊
987␉//DBG("Generating T-States config: %s\n", generate_tstates ? "YES" : "NO");␊
988␊
989␉{␊
990␉␉int i;␊
991␊
992␉␉for (i = 0; i < 30; i++)␊
993␉␉{␊
994␉␉␉char filename[512];␊
995␊
996␉␉␉sprintf(filename, i > 0 ? "SSDT-%d.aml" : "SSDT.aml", i);␊
997␊
998␉␉␉if ( (new_ssdt[ssdt_count] = loadACPITable(filename)) )␊
999␉␉␉{␊
1000␉␉␉␉ssdt_count++;␊
1001␉␉␉}␊
1002␉␉␉else␊
1003␉␉␉{␊
1004␉␉␉␉break;␊
1005␉␉␉}␊
1006␉␉}␊
1007␉}␊
1008␊
1009␉// Do the same procedure for both versions of ACPI␊
1010␉for (version = 0; version < 2; version++)␊
1011␉{␊
1012␉␉struct acpi_2_rsdp *rsdp, *rsdp_mod;␊
1013␉␉struct acpi_2_rsdt *rsdt, *rsdt_mod;␊
1014␉␉int rsdplength;␊
1015␊
1016␉␉// Find original rsdp␊
1017␉␉rsdp=(struct acpi_2_rsdp *)(version ? getAddressOfAcpi20Table() : getAddressOfAcpiTable());␊
1018␉␉if (!rsdp)␊
1019␉␉{␊
1020␉␉␉DBG("No ACPI version %d found. Ignoring\n", version+1);␊
1021␉␉␉if (version)␊
1022␉␉␉{␊
1023␉␉␉␉addConfigurationTable(&gEfiAcpi20TableGuid, NULL, "ACPI_20");␊
1024␉␉␉}␊
1025␉␉␉else␊
1026␉␉␉{␊
1027␉␉␉␉addConfigurationTable(&gEfiAcpiTableGuid, NULL, "ACPI");␊
1028␉␉␉}␊
1029␉␉␉continue;␊
1030␉␉}␊
1031␉␉rsdplength=version ? rsdp->Length : 20;␊
1032␊
1033␉␉DBG("RSDP version %d found @%x. Length=%d\n",version+1,rsdp,rsdplength);␊
1034␊
1035␉␉/* FIXME: no check that memory allocation succeeded ␊
1036␉␉ * Copy and patch RSDP,RSDT, XSDT and FADT␊
1037␉␉ * For more info see ACPI Specification pages 110 and following␊
1038␉␉ */␊
1039␊
1040␉␉rsdp_mod=(struct acpi_2_rsdp *) AllocateKernelMemory(rsdplength);␊
1041␉␉memcpy(rsdp_mod, rsdp, rsdplength);␊
1042␊
1043␉␉rsdt=(struct acpi_2_rsdt *)(rsdp->RsdtAddress);␊
1044␊
1045␉␉DBG("RSDT @%x, Length %d\n",rsdt, rsdt ? rsdt->Length : 0);␊
1046␉␉␊
1047␉␉if (rsdt && (uint32_t)rsdt !=0xffffffff && rsdt->Length<0x10000)␊
1048␉␉{␊
1049␉␉␉uint32_t *rsdt_entries;␊
1050␉␉␉int rsdt_entries_num;␊
1051␉␉␉int dropoffset=0, i;␊
1052␊
1053␉␉␉// mozo: using malloc cos I didn't found how to free already allocated kernel memory␊
1054␉␉␉rsdt_mod=(struct acpi_2_rsdt *)malloc(rsdt->Length); ␊
1055␉␉␉memcpy (rsdt_mod, rsdt, rsdt->Length);␊
1056␉␉␉rsdp_mod->RsdtAddress=(uint32_t)rsdt_mod;␊
1057␉␉␉rsdt_entries_num=(rsdt_mod->Length-sizeof(struct acpi_2_rsdt))/4;␊
1058␉␉␉rsdt_entries=(uint32_t *)(rsdt_mod+1);␊
1059␉␉␉for (i=0;i<rsdt_entries_num;i++)␊
1060␉␉␉{␊
1061␉␉␉␉char *table=(char *)(rsdt_entries[i]);␊
1062␉␉␉␉if (!table)␊
1063␉␉␉␉{␊
1064␉␉␉␉␉continue;␊
1065␉␉␉␉}␊
1066␊
1067␉␉␉␉DBG("TABLE %c%c%c%c,",table[0],table[1],table[2],table[3]);␊
1068␊
1069␉␉␉␉rsdt_entries[i-dropoffset]=rsdt_entries[i];␊
1070␊
1071␉␉␉␉if (drop_ssdt && tableSign(table, "SSDT"))␊
1072␉␉␉␉{␊
1073␉␉␉␉␉DBG("OEM SSDT tables was dropped\n");␊
1074␉␉␉␉␉dropoffset++;␊
1075␉␉␉␉␉continue;␊
1076␉␉␉␉}␊
1077␊
1078␉␉␉␉if (drop_hpet && tableSign(table, "HPET"))␊
1079␉␉␉␉{␊
1080␉␉␉␉␉DBG("OEM HPET table was dropped\n");␊
1081␉␉␉␉␉dropoffset++;␊
1082␉␉␉␉␉continue;␊
1083␉␉␉␉}␉␉␉␊
1084␊
1085␉␉␉␉if (drop_slic && tableSign(table, "SLIC"))␊
1086␉␉␉␉{␊
1087␉␉␉␉␉DBG("OEM SLIC table was dropped\n");␊
1088␉␉␉␉␉dropoffset++;␊
1089␉␉␉␉␉continue;␊
1090␉␉␉␉}␊
1091␊
1092␉␉␉␉if (drop_sbst && tableSign(table, "SBST"))␊
1093␉␉␉␉{␊
1094␉␉␉␉␉DBG("OEM SBST table was dropped\n");␊
1095␉␉␉␉␉dropoffset++;␊
1096␉␉␉␉␉continue;␊
1097␉␉␉␉}␊
1098␊
1099␉␉␉␉if (drop_ecdt && tableSign(table, "ECDT"))␊
1100␉␉␉␉{␊
1101␉␉␉␉␉DBG("OEM ECDT table was dropped\n");␊
1102␉␉␉␉␉dropoffset++;␊
1103␉␉␉␉␉continue;␊
1104␉␉␉␉}␊
1105␊
1106␉␉␉␉if (drop_asft && tableSign(table, "ASF!"))␊
1107␉␉␉␉{␊
1108␉␉␉␉␉DBG("OEM ASF! table was dropped\n");␊
1109␉␉␉␉␉dropoffset++;␊
1110␉␉␉␉␉continue;␊
1111␉␉␉␉}␊
1112␊
1113␉␉␉␉if (drop_dmar && tableSign(table, "DMAR"))␊
1114␉␉␉␉{␊
1115␉␉␉␉␉DBG("OEM DMAR table was dropped\n");␊
1116␉␉␉␉␉dropoffset++;␊
1117␉␉␉␉␉continue;␊
1118␉␉␉␉}␊
1119␊
1120␉␉␉␉if (tableSign(table, "HPET"))␊
1121␉␉␉␉{␊
1122␉␉␉␉␉DBG("HPET found\n");␊
1123␉␉␉␉␉DBG("Custom HPET table was found\n");␊
1124␉␉␉␉␉if(new_hpet)␊
1125␉␉␉␉␉{␊
1126␉␉␉␉␉␉rsdt_entries[i-dropoffset]=(uint32_t)new_hpet;␊
1127␉␉␉␉␉}␊
1128␉␉␉␉␉continue;␊
1129␉␉␉␉}␊
1130␊
1131␉␉␉␉if (tableSign(table, "SBST"))␊
1132␉␉␉␉{␊
1133␉␉␉␉␉DBG("SBST found\n");␊
1134␉␉␉␉␉DBG("Custom SBST table was found\n");␊
1135␉␉␉␉␉if(new_sbst)␊
1136␉␉␉␉␉{␊
1137␉␉␉␉␉␉rsdt_entries[i-dropoffset]=(uint32_t)new_sbst;␊
1138␉␉␉␉␉}␊
1139␉␉␉␉␉continue;␊
1140␉␉␉␉}␊
1141␊
1142␉␉␉␉if (tableSign(table, "ECDT"))␊
1143␉␉␉␉{␊
1144␉␉␉␉␉DBG("ECDT found\n");␊
1145␉␉␉␉␉DBG("Custom ECDT table was found\n");␊
1146␉␉␉␉␉if(new_ecdt)␊
1147␉␉␉␉␉{␊
1148␉␉␉␉␉␉rsdt_entries[i-dropoffset]=(uint32_t)new_ecdt;␊
1149␉␉␉␉␉}␊
1150␉␉␉␉␉continue;␊
1151␉␉␉␉}␊
1152␊
1153␉␉␉␉if (tableSign(table, "ASF!"))␊
1154␉␉␉␉{␊
1155␉␉␉␉␉DBG("ASF! found\n");␊
1156␉␉␉␉␉DBG("Custom ASF! table was found\n");␊
1157␉␉␉␉␉if(new_asft)␊
1158␉␉␉␉␉{␊
1159␉␉␉␉␉␉rsdt_entries[i-dropoffset]=(uint32_t)new_asft;␊
1160␉␉␉␉␉}␊
1161␉␉␉␉␉continue;␊
1162␉␉␉␉}␊
1163␊
1164␉␉␉␉if (tableSign(table, "DMAR"))␊
1165␉␉␉␉{␊
1166␉␉␉␉␉DBG("DMAR found\n");␊
1167␉␉␉␉␉DBG("Custom DMAR table was found\n");␊
1168␉␉␉␉␉if(new_dmar)␊
1169␉␉␉␉␉{␊
1170␉␉␉␉␉␉rsdt_entries[i-dropoffset]=(uint32_t)new_dmar;␊
1171␉␉␉␉␉}␊
1172␉␉␉␉␉continue;␊
1173␉␉␉␉}␊
1174␊
1175␉␉␉␉if (tableSign(table, "APIC"))␊
1176␉␉␉␉{␊
1177␉␉␉␉␉DBG("APIC found\n");␊
1178␉␉␉␉␉DBG("Custom APIC table was found\n");␊
1179␉␉␉␉␉if(new_apic)␊
1180␉␉␉␉␉{␊
1181␉␉␉␉␉␉rsdt_entries[i-dropoffset]=(uint32_t)new_apic;␊
1182␉␉␉␉␉}␊
1183␉␉␉␉␉continue;␊
1184␉␉␉␉}␊
1185␊
1186␉␉␉␉if (tableSign(table, "MCFG"))␊
1187␉␉␉␉{␊
1188␉␉␉␉␉DBG("MCFG found\n");␊
1189␉␉␉␉␉DBG("Custom MCFG table was found\n");␊
1190␉␉␉␉␉if(new_mcfg)␊
1191␉␉␉␉␉{␊
1192␉␉␉␉␉␉rsdt_entries[i-dropoffset]=(uint32_t)new_mcfg;␊
1193␉␉␉␉␉}␊
1194␊
1195␉␉␉␉␉continue;␊
1196␉␉␉␉}␊
1197␉␉␉␉if (tableSign(table, "DSDT"))␊
1198␉␉␉␉{␊
1199␉␉␉␉␉DBG("DSDT found\n");␊
1200␉␉␉␉␉DBG("Custom DSDT table was found\n");␊
1201␉␉␉␉␉if(new_dsdt)␊
1202␉␉␉␉␉{␊
1203␉␉␉␉␉␉rsdt_entries[i-dropoffset]=(uint32_t)new_dsdt;␊
1204␉␉␉␉␉}␊
1205␊
1206␉␉␉␉␉continue;␊
1207␉␉␉␉}␊
1208␊
1209␉␉␉␉if (tableSign(table, "FACP"))␊
1210␉␉␉␉{␊
1211␉␉␉␉␉struct acpi_2_fadt *fadt, *fadt_mod;␊
1212␉␉␉␉␉fadt=(struct acpi_2_fadt *)rsdt_entries[i];␊
1213␊
1214␉␉␉␉␉DBG("FADT found @%x, Length %d\n",fadt, fadt->Length);␊
1215␊
1216␉␉␉␉␉if (!fadt || (uint32_t)fadt == 0xffffffff || fadt->Length>0x10000)␊
1217␉␉␉␉␉{␊
1218␉␉␉␉␉␉DBG("FADT incorrect. Not modified\n");␊
1219␉␉␉␉␉␉continue;␊
1220␉␉␉␉␉}␊
1221␉␉␉␉␉␊
1222␉␉␉␉␉fadt_mod = patch_fadt(fadt, new_dsdt);␊
1223␉␉␉␉␉rsdt_entries[i-dropoffset]=(uint32_t)fadt_mod;␊
1224␉␉␉␉␉␊
1225␉␉␉␉␉// Generate _CST SSDT␊
1226␉␉␉␉␉if (generate_cstates && (new_ssdt[ssdt_count] = generate_cst_ssdt(fadt_mod)))␊
1227␉␉␉␉␉{␊
1228␉␉␉␉␉␉DBG("C-States generated\n");␊
1229␉␉␉␉␉␉generate_cstates = false; // Generate SSDT only once!␊
1230␉␉␉␉␉␉ssdt_count++;␊
1231␉␉␉␉␉}␊
1232␊
1233␉␉␉␉␉// Generating _PSS SSDT␊
1234␉␉␉␉␉if (generate_pstates && (new_ssdt[ssdt_count] = generate_pss_ssdt((void*)fadt_mod->DSDT)))␊
1235␉␉␉␉␉{␊
1236␉␉␉␉␉␉DBG("P-States generated\n");␊
1237␉␉␉␉␉␉generate_pstates = false; // Generate SSDT only once!␊
1238␉␉␉␉␉␉ssdt_count++;␊
1239␉␉␉␉␉}␊
1240␉␉␉␉␉continue;␊
1241␉␉␉␉}␊
1242␉␉␉}␊
1243␉␉␉DBG("\n");␊
1244␊
1245␉␉␉// Allocate rsdt in Kernel memory area␊
1246␉␉␉rsdt_mod->Length += 4*ssdt_count - 4*dropoffset;␊
1247␉␉␉struct acpi_2_rsdt *rsdt_copy = (struct acpi_2_rsdt *)AllocateKernelMemory(rsdt_mod->Length);␊
1248␉␉␉memcpy (rsdt_copy, rsdt_mod, rsdt_mod->Length);␊
1249␉␉␉free(rsdt_mod); rsdt_mod = rsdt_copy;␊
1250␉␉␉rsdp_mod->RsdtAddress=(uint32_t)rsdt_mod;␊
1251␉␉␉rsdt_entries_num=(rsdt_mod->Length-sizeof(struct acpi_2_rsdt))/4;␊
1252␉␉␉rsdt_entries=(uint32_t *)(rsdt_mod+1);␊
1253␊
1254␉␉␉// Mozodojo: Insert additional SSDTs into RSDT␊
1255␉␉␉if(ssdt_count > 0)␊
1256␉␉␉{␊
1257␉␉␉␉int j;␊
1258␊
1259␉␉␉␉for (j=0; j<ssdt_count; j++)␊
1260␉␉␉␉{␊
1261␉␉␉␉␉rsdt_entries[i-dropoffset+j]=(uint32_t)new_ssdt[j];␊
1262␉␉␉␉}␊
1263␉␉␉␉DBG("RSDT: Added %d SSDT table(s)\n", ssdt_count);␊
1264␊
1265␉␉␉}␊
1266␊
1267␉␉␉// Correct the checksum of RSDT␊
1268␉␉␉DBG("RSDT: Original checksum %d, ", rsdt_mod->Checksum);␊
1269␊
1270␉␉␉rsdt_mod->Checksum=0;␊
1271␉␉␉rsdt_mod->Checksum=256-checksum8(rsdt_mod,rsdt_mod->Length);␊
1272␊
1273␉␉␉DBG("New checksum %d at %x\n", rsdt_mod->Checksum,rsdt_mod);␊
1274␉␉}␊
1275␉␉else␊
1276␉␉{␊
1277␉␉␉rsdp_mod->RsdtAddress=0;␊
1278␉␉␉DBG("RSDT not found or RSDT incorrect\n");␊
1279␉␉}␊
1280␉␉DBG("\n");␊
1281␊
1282␉␉if (version)␊
1283␉␉{␊
1284␉␉␉struct acpi_2_xsdt *xsdt, *xsdt_mod;␊
1285␊
1286␉␉␉// FIXME: handle 64-bit address correctly␊
1287␊
1288␉␉␉xsdt=(struct acpi_2_xsdt*) ((uint32_t)rsdp->XsdtAddress);␊
1289␉␉␉DBG("XSDT @%x;%x, Length=%d Sign=%c%c%c%c\n", (uint32_t)(rsdp->XsdtAddress>>32),␊
1290␉␉␉␉(uint32_t)rsdp->XsdtAddress, xsdt->Length, xsdt[0], xsdt[1], xsdt[2], xsdt[3]);␊
1291␉␉␉if (xsdt && (uint64_t)rsdp->XsdtAddress<0xffffffff && xsdt->Length<0x10000)␊
1292␉␉␉{␊
1293␉␉␉␉uint64_t *xsdt_entries;␊
1294␉␉␉␉int xsdt_entries_num, i;␊
1295␉␉␉␉int dropoffset=0;␊
1296␊
1297␉␉␉␉// mozo: using malloc cos I didn't found how to free already allocated kernel memory␊
1298␉␉␉␉xsdt_mod=(struct acpi_2_xsdt*)malloc(xsdt->Length); ␊
1299␉␉␉␉memcpy(xsdt_mod, xsdt, xsdt->Length);␊
1300␊
1301␉␉␉␉rsdp_mod->XsdtAddress=(uint32_t)xsdt_mod;␊
1302␉␉␉␉xsdt_entries_num=(xsdt_mod->Length-sizeof(struct acpi_2_xsdt))/8;␊
1303␉␉␉␉xsdt_entries=(uint64_t *)(xsdt_mod+1);␊
1304␉␉␉␉for (i=0;i<xsdt_entries_num;i++)␊
1305␉␉␉␉{␊
1306␉␉␉␉␉char *table=(char *)((uint32_t)(xsdt_entries[i]));␊
1307␉␉␉␉␉if (!table)␊
1308␉␉␉␉␉{␊
1309␉␉␉␉␉␉continue;␊
1310␉␉␉␉␉}␊
1311␉␉␉␉␉xsdt_entries[i-dropoffset]=xsdt_entries[i];␊
1312␊
1313␉␉␉␉␉if (drop_ssdt && tableSign(table, "SSDT"))␊
1314␉␉␉␉␉{␊
1315␉␉␉␉␉␉verbose("OEM SSDT tables was dropped\n");␊
1316␉␉␉␉␉␉dropoffset++;␊
1317␉␉␉␉␉␉continue;␊
1318␉␉␉␉␉}␊
1319␊
1320␉␉␉␉␉if (drop_hpet && tableSign(table, "HPET"))␊
1321␉␉␉␉␉{␊
1322␉␉␉␉␉␉verbose("OEM HPET table was dropped\n");␊
1323␉␉␉␉␉␉dropoffset++;␊
1324␉␉␉␉␉␉continue;␊
1325␉␉␉␉␉}␊
1326␊
1327␉␉␉␉␉if (drop_slic && tableSign(table, "SLIC"))␊
1328␉␉␉␉␉{␊
1329␉␉␉␉␉␉verbose("OEM SLIC table was dropped\n");␊
1330␉␉␉␉␉␉dropoffset++;␊
1331␉␉␉␉␉␉continue;␊
1332␉␉␉␉␉}␊
1333␊
1334␉␉␉␉␉if (drop_sbst && tableSign(table, "SBST"))␊
1335␉␉␉␉␉{␊
1336␉␉␉␉␉␉verbose("OEM SBST table was dropped\n");␊
1337␉␉␉␉␉␉dropoffset++;␊
1338␉␉␉␉␉␉continue;␊
1339␉␉␉␉␉}␊
1340␊
1341␉␉␉␉␉if (drop_ecdt && tableSign(table, "ECDT"))␊
1342␉␉␉␉␉{␊
1343␉␉␉␉␉␉verbose("OEM ECDT table was dropped\n");␊
1344␉␉␉␉␉␉dropoffset++;␊
1345␉␉␉␉␉␉continue;␊
1346␉␉␉␉␉}␊
1347␊
1348␉␉␉␉␉if (drop_asft && tableSign(table, "ASF!"))␊
1349␉␉␉␉␉{␊
1350␉␉␉␉␉␉verbose("OEM ASF! table was dropped\n");␊
1351␉␉␉␉␉␉dropoffset++;␊
1352␉␉␉␉␉␉continue;␊
1353␉␉␉␉␉}␊
1354␊
1355␉␉␉␉␉if (drop_dmar && tableSign(table, "DMAR"))␊
1356␉␉␉␉␉{␊
1357␉␉␉␉␉␉verbose("OEM DMAR table was dropped\n");␊
1358␉␉␉␉␉␉dropoffset++;␊
1359␉␉␉␉␉␉continue;␊
1360␉␉␉␉␉}␊
1361␊
1362␉␉␉␉␉if (tableSign(table, "DSDT"))␊
1363␉␉␉␉␉{␊
1364␉␉␉␉␉␉DBG("DSDT found\n");␊
1365␊
1366␉␉␉␉␉␉if (new_dsdt)␊
1367␉␉␉␉␉␉{␊
1368␉␉␉␉␉␉␉xsdt_entries[i-dropoffset]=(uint32_t)new_dsdt;␊
1369␉␉␉␉␉␉}␊
1370␊
1371␉␉␉␉␉␉DBG("TABLE %c%c%c%c@%x \n", table[0],table[1],table[2],table[3],xsdt_entries[i]);␊
1372␊
1373␉␉␉␉␉␉continue;␊
1374␉␉␉␉␉}␊
1375␊
1376␉␉␉␉␉if (tableSign(table, "HPET"))␊
1377␉␉␉␉␉{␊
1378␉␉␉␉␉␉DBG("HPET found\n");␊
1379␊
1380␉␉␉␉␉␉if (new_hpet)␊
1381␉␉␉␉␉␉{␊
1382␉␉␉␉␉␉␉xsdt_entries[i-dropoffset]=(uint32_t)new_hpet;␊
1383␉␉␉␉␉␉}␊
1384␊
1385␉␉␉␉␉␉DBG("TABLE %c%c%c%c@%x \n", table[0],table[1],table[2],table[3],xsdt_entries[i]);␊
1386␊
1387␉␉␉␉␉␉continue;␊
1388␉␉␉␉␉}␊
1389␊
1390␉␉␉␉␉if (tableSign(table, "SBST"))␊
1391␉␉␉␉␉{␊
1392␉␉␉␉␉␉DBG("SBST found\n");␊
1393␊
1394␉␉␉␉␉␉if (new_sbst)␊
1395␉␉␉␉␉␉{␊
1396␉␉␉␉␉␉␉xsdt_entries[i-dropoffset]=(uint32_t)new_sbst;␊
1397␉␉␉␉␉␉}␊
1398␊
1399␉␉␉␉␉␉DBG("TABLE %c%c%c%c@%x \n", table[0],table[1],table[2],table[3],xsdt_entries[i]);␊
1400␊
1401␉␉␉␉␉␉continue;␊
1402␉␉␉␉␉}␊
1403␊
1404␉␉␉␉␉if (tableSign(table, "ECDT"))␊
1405␉␉␉␉␉{␊
1406␉␉␉␉␉␉DBG("ECDT found\n");␊
1407␊
1408␉␉␉␉␉␉if (new_ecdt)␊
1409␉␉␉␉␉␉{␊
1410␉␉␉␉␉␉␉xsdt_entries[i-dropoffset]=(uint32_t)new_ecdt;␊
1411␉␉␉␉␉␉}␊
1412␊
1413␉␉␉␉␉␉DBG("TABLE %c%c%c%c@%x \n", table[0],table[1],table[2],table[3],xsdt_entries[i]);␊
1414␊
1415␉␉␉␉␉␉continue;␊
1416␉␉␉␉␉}␊
1417␊
1418␉␉␉␉␉if (tableSign(table, "ASF!"))␊
1419␉␉␉␉␉{␊
1420␉␉␉␉␉␉DBG("ASF! found\n");␊
1421␊
1422␉␉␉␉␉␉if (new_asft)␊
1423␉␉␉␉␉␉{␊
1424␉␉␉␉␉␉␉xsdt_entries[i-dropoffset]=(uint32_t)new_asft;␊
1425␉␉␉␉␉␉}␊
1426␊
1427␉␉␉␉␉␉DBG("TABLE %c%c%c%c@%x \n", table[0],table[1],table[2],table[3],xsdt_entries[i]);␊
1428␊
1429␉␉␉␉␉␉continue;␊
1430␉␉␉␉␉}␊
1431␊
1432␉␉␉␉␉if (tableSign(table, "DMAR"))␊
1433␉␉␉␉␉{␊
1434␉␉␉␉␉␉DBG("DMAR found\n");␊
1435␊
1436␉␉␉␉␉␉if (new_dmar)␊
1437␉␉␉␉␉␉{␊
1438␉␉␉␉␉␉␉xsdt_entries[i-dropoffset]=(uint32_t)new_dmar;␊
1439␉␉␉␉␉␉}␊
1440␊
1441␉␉␉␉␉␉DBG("TABLE %c%c%c%c@%x \n", table[0],table[1],table[2],table[3],xsdt_entries[i]);␊
1442␊
1443␉␉␉␉␉␉continue;␊
1444␉␉␉␉␉}␊
1445␊
1446␉␉␉␉␉if (tableSign(table, "APIC"))␊
1447␉␉␉␉␉{␊
1448␉␉␉␉␉␉DBG("APIC found\n");␊
1449␊
1450␉␉␉␉␉␉if (new_apic)␊
1451␉␉␉␉␉␉{␊
1452␉␉␉␉␉␉␉xsdt_entries[i-dropoffset]=(uint32_t)new_apic;␊
1453␉␉␉␉␉␉}␊
1454␊
1455␉␉␉␉␉␉DBG("TABLE %c%c%c%c@%x \n", table[0],table[1],table[2],table[3],xsdt_entries[i]);␊
1456␊
1457␉␉␉␉␉␉continue;␊
1458␉␉␉␉␉}␊
1459␊
1460␉␉␉␉␉if (tableSign(table, "MCFG"))␊
1461␉␉␉␉␉{␊
1462␉␉␉␉␉␉DBG("MCFG found\n");␊
1463␊
1464␉␉␉␉␉␉if (new_mcfg)␊
1465␉␉␉␉␉␉{␊
1466␉␉␉␉␉␉␉xsdt_entries[i-dropoffset]=(uint32_t)new_mcfg;␊
1467␉␉␉␉␉␉}␊
1468␊
1469␉␉␉␉␉␉DBG("TABLE %c%c%c%c@%x \n", table[0],table[1],table[2],table[3],xsdt_entries[i]);␊
1470␊
1471␉␉␉␉␉␉continue;␊
1472␉␉␉␉␉}␊
1473␊
1474␉␉␉␉␉if (tableSign(table, "FACP"))␊
1475␉␉␉␉␉{␊
1476␉␉␉␉␉␉struct acpi_2_fadt *fadt, *fadt_mod;␊
1477␉␉␉␉␉␉fadt=(struct acpi_2_fadt *)(uint32_t)xsdt_entries[i];␊
1478␊
1479␉␉␉␉␉␉DBG("FADT found @%x%x, Length %d\n",(uint32_t)(xsdt_entries[i]>>32),fadt, ␊
1480␉␉␉␉␉␉␉fadt->Length);␊
1481␊
1482␉␉␉␉␉␉if (!fadt || (uint64_t)xsdt_entries[i] >= 0xffffffff || fadt->Length>0x10000)␊
1483␉␉␉␉␉␉{␊
1484␉␉␉␉␉␉␉DBG("FADT incorrect or after 4GB. Dropping XSDT\n");␊
1485␉␉␉␉␉␉␉goto drop_xsdt;␊
1486␉␉␉␉␉␉}␊
1487␊
1488␉␉␉␉␉␉fadt_mod = patch_fadt(fadt, new_dsdt);␊
1489␉␉␉␉␉␉xsdt_entries[i-dropoffset]=(uint32_t)fadt_mod;␊
1490␊
1491␉␉␉␉␉␉// DBG("TABLE %c%c%c%c@%x \n", table[0],table[1],table[2],table[3],xsdt_entries[i]);␊
1492␊
1493␉␉␉␉␉␉// Generate _CST SSDT␊
1494␉␉␉␉␉␉if (generate_cstates && (new_ssdt[ssdt_count] = generate_cst_ssdt(fadt_mod)))␊
1495␉␉␉␉␉␉{␊
1496␉␉␉␉␉␉␉DBG("C-States generated\n");␊
1497␉␉␉␉␉␉␉generate_cstates = false; // Generate SSDT only once!␊
1498␉␉␉␉␉␉␉ssdt_count++;␊
1499␉␉␉␉␉␉}␊
1500␊
1501␉␉␉␉␉␉// Generating _PSS SSDT␊
1502␉␉␉␉␉␉if (generate_pstates && (new_ssdt[ssdt_count] = generate_pss_ssdt((void*)fadt_mod->DSDT)))␊
1503␉␉␉␉␉␉{␊
1504␉␉␉␉␉␉␉DBG("P-States generated\n");␊
1505␉␉␉␉␉␉␉generate_pstates = false; // Generate SSDT only once!␊
1506␉␉␉␉␉␉␉ssdt_count++;␊
1507␉␉␉␉␉␉}␊
1508␊
1509␉␉␉␉␉␉// Generating _TSS SSDT␊
1510␉␉␉␉␉␉/*if (generate_tstates && (new_ssdt[ssdt_count] = generate_tss_ssdt((void*)fadt_mod->DSDT)))␊
1511␉␉␉␉␉␉{␊
1512␉␉␉␉␉␉␉generate_tstates = false; // Generate SSDT only once!␊
1513␉␉␉␉␉␉␉ssdt_count++;␊
1514␉␉␉␉␉␉}*/␊
1515␉␉␉␉␉␉continue;␊
1516␉␉␉␉␉}␊
1517␊
1518␉␉␉␉␉DBG("TABLE %c%c%c%c@%x \n", table[0],table[1],table[2],table[3],xsdt_entries[i]);␊
1519␊
1520␉␉␉␉}␊
1521␊
1522␉␉␉␉// Allocate xsdt in Kernel memory area␊
1523␉␉␉␉xsdt_mod->Length += 8*ssdt_count - 8*dropoffset;␊
1524␉␉␉␉struct acpi_2_xsdt *xsdt_copy = (struct acpi_2_xsdt *)AllocateKernelMemory(xsdt_mod->Length);␊
1525␉␉␉␉memcpy(xsdt_copy, xsdt_mod, xsdt_mod->Length);␊
1526␉␉␉␉free(xsdt_mod); xsdt_mod = xsdt_copy;␊
1527␉␉␉␉rsdp_mod->XsdtAddress=(uint32_t)xsdt_mod;␊
1528␉␉␉␉xsdt_entries_num=(xsdt_mod->Length-sizeof(struct acpi_2_xsdt))/8;␊
1529␉␉␉␉xsdt_entries=(uint64_t *)(xsdt_mod+1);␊
1530␊
1531␉␉␉␉// Mozodojo: Insert additional SSDTs into XSDT␊
1532␉␉␉␉if(ssdt_count > 0)␊
1533␉␉␉␉{␊
1534␉␉␉␉␉int j;␊
1535␊
1536␉␉␉␉␉for (j=0; j<ssdt_count; j++)␊
1537␉␉␉␉␉{␊
1538␉␉␉␉␉␉xsdt_entries[i-dropoffset+j]=(uint32_t)new_ssdt[j];␊
1539␉␉␉␉␉}␊
1540␊
1541␉␉␉␉␉verbose("Added %d SSDT table(s) into XSDT\n", ssdt_count);␊
1542␊
1543␉␉␉␉}␊
1544␊
1545␉␉␉␉// Correct the checksum of XSDT␊
1546␉␉␉␉xsdt_mod->Checksum=0;␊
1547␉␉␉␉xsdt_mod->Checksum=256-checksum8(xsdt_mod,xsdt_mod->Length);␊
1548␉␉␉}␊
1549␉␉␉else␊
1550␉␉␉{␊
1551␉␉␉drop_xsdt:␊
1552␊
1553␉␉␉␉DBG("About to drop XSDT\n");␊
1554␊
1555␉␉␉␉/*FIXME: Now we just hope that if MacOS doesn't find XSDT it reverts to RSDT. ␊
1556␉␉␉␉ * A Better strategy would be to generate␊
1557␉␉␉␉ */␊
1558␊
1559␉␉␉␉rsdp_mod->XsdtAddress=0xffffffffffffffffLL;␊
1560␉␉␉␉verbose("XSDT not found or XSDT incorrect\n");␊
1561␉␉␉}␊
1562␉␉}␊
1563␉␉DBG("\n");␊
1564␊
1565␉␉// Correct the checksum of RSDP␊
1566␊
1567␉␉DBG("RSDP: Original checksum %d, ", rsdp_mod->Checksum);␊
1568␊
1569␉␉rsdp_mod->Checksum=0;␊
1570␉␉rsdp_mod->Checksum=256-checksum8(rsdp_mod,20);␊
1571␊
1572␉␉DBG("New checksum %d\n", rsdp_mod->Checksum);␊
1573␊
1574␉␉if (version)␊
1575␉␉{␊
1576␉␉␉DBG("RSDP: Original extended checksum %d, ", rsdp_mod->ExtendedChecksum);␊
1577␊
1578␉␉␉rsdp_mod->ExtendedChecksum=0;␊
1579␉␉␉rsdp_mod->ExtendedChecksum=256-checksum8(rsdp_mod,rsdp_mod->Length);␊
1580␊
1581␉␉␉DBG("New extended checksum %d\n", rsdp_mod->ExtendedChecksum);␊
1582␊
1583␉␉}␊
1584␊
1585␉␉if (version)␊
1586␉␉{␊
1587␉␉␉/* XXX aserebln why uint32 cast if pointer is uint64 ? */␊
1588␉␉␉acpi20_p = (uint64_t)(uint32_t)rsdp_mod;␊
1589␉␉␉addConfigurationTable(&gEfiAcpi20TableGuid, &acpi20_p, "ACPI_20");␊
1590␉␉}␊
1591␉␉else␊
1592␉␉{␊
1593␉␉␉/* XXX aserebln why uint32 cast if pointer is uint64 ? */␊
1594␉␉␉acpi10_p = (uint64_t)(uint32_t)rsdp_mod;␊
1595␉␉␉addConfigurationTable(&gEfiAcpiTableGuid, &acpi10_p, "ACPI");␊
1596␉␉}␊
1597␉␉DBG("ACPI version %d patching finished\n\n", version+1);␊
1598␉}␊
1599#if DEBUG_ACPI␊
1600␉printf("Press a key to continue... (DEBUG_ACPI)\n");␊
1601␉getchar();␊
1602#endif␊
1603␉return 1;␊
1604}␊
1605

Archive Download this file

Revision: 2461