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