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 | #include "state_generator.h"␊ |
17 | ␊ |
18 | #ifndef DEBUG_ACPI␊ |
19 | #define DEBUG_ACPI 0␊ |
20 | #endif␊ |
21 | ␊ |
22 | #if DEBUG_ACPI==2␊ |
23 | #define DBG(x...) {printf(x); sleep(1);}␊ |
24 | #elif DEBUG_ACPI==1␊ |
25 | #define DBG(x...) printf(x)␊ |
26 | #else␊ |
27 | #define DBG(x...) msglog(x)␊ |
28 | #endif␊ |
29 | ␊ |
30 | // Slice: New signature compare function␊ |
31 | boolean_t tableSign(char *table, const char *sgn)␊ |
32 | {␊ |
33 | ␉int i;␊ |
34 | ␉for (i = 0; i < 4; i++)␊ |
35 | ␉{␊ |
36 | ␉␉if ((table[i] &~0x20) != (sgn[i] &~0x20))␊ |
37 | ␉␉{␊ |
38 | ␉␉␉return false;␊ |
39 | ␉␉}␊ |
40 | ␉}␊ |
41 | ␉return true;␊ |
42 | }␊ |
43 | ␊ |
44 | /* Gets the ACPI 1.0 RSDP address */␊ |
45 | static struct acpi_2_rsdp *getAddressOfAcpiTable()␊ |
46 | {␊ |
47 | ␉/* TODO: Before searching the BIOS space we are supposed to search the first 1K of the EBDA */␊ |
48 | ␊ |
49 | ␉void *acpi_addr = (void*)ACPI_RANGE_START;␊ |
50 | ␊ |
51 | ␉for(; acpi_addr <= (void*)ACPI_RANGE_END; acpi_addr += 16)␊ |
52 | ␉{␊ |
53 | ␉␉if(*(uint64_t *)acpi_addr == ACPI_SIGNATURE_UINT64_LE)␊ |
54 | ␉␉{␊ |
55 | ␉␉␉uint8_t csum = checksum8(acpi_addr, 20);␊ |
56 | ␉␉␉if(csum == 0)␊ |
57 | ␉␉␉{␊ |
58 | ␉␉␉// Only return the table if it is a true version 1.0 table (Revision 0)␊ |
59 | ␉␉␉␉if(((struct acpi_2_rsdp*)acpi_addr)->Revision == 0)␊ |
60 | ␉␉␉␉return acpi_addr;␊ |
61 | ␉␉␉}␊ |
62 | ␉␉}␊ |
63 | ␉}␊ |
64 | ␉return NULL;␊ |
65 | }␊ |
66 | ␊ |
67 | /* Gets the ACPI 2.0 RSDP address */␊ |
68 | static struct acpi_2_rsdp *getAddressOfAcpi20Table()␊ |
69 | {␊ |
70 | ␉/* TODO: Before searching the BIOS space we are supposed to search the first 1K of the EBDA */␊ |
71 | ␊ |
72 | ␉void *acpi_addr = (void *)ACPI_RANGE_START;␊ |
73 | ␊ |
74 | ␉for(; acpi_addr <= (void *)ACPI_RANGE_END; acpi_addr += 16)␊ |
75 | ␉{␊ |
76 | ␉␉if(*(uint64_t *)acpi_addr == ACPI_SIGNATURE_UINT64_LE)␊ |
77 | ␉␉{␊ |
78 | ␉␉␉uint8_t csum = checksum8(acpi_addr, 20);␊ |
79 | ␊ |
80 | ␉␉␉/* Only assume this is a 2.0 or better table if the revision is greater than 0␊ |
81 | ␉␉␉ * NOTE: ACPI 3.0 spec only seems to say that 1.0 tables have revision 1␊ |
82 | ␉␉␉ * and that the current revision is 2.. I am going to assume that rev > 0 is 2.0.␊ |
83 | ␉␉␉ */␊ |
84 | ␊ |
85 | ␉␉␉if(csum == 0 && (((struct acpi_2_rsdp*)acpi_addr)->Revision > 0))␊ |
86 | ␉␉␉{␊ |
87 | ␉␉␉␉uint8_t csum2 = checksum8(acpi_addr, sizeof(struct acpi_2_rsdp));␊ |
88 | ␉␉␉␉if(csum2 == 0)␊ |
89 | ␉␉␉␉{␊ |
90 | ␉␉␉␉␉return acpi_addr;␊ |
91 | ␉␉␉␉}␊ |
92 | ␉␉␉}␊ |
93 | ␉␉}␊ |
94 | ␉}␊ |
95 | ␉return NULL;␊ |
96 | }␊ |
97 | ␊ |
98 | /* The folowing ACPI Table search algo. should be reused anywhere needed:*/␊ |
99 | /* WARNING: outDirspec string will be overwritten by subsequent calls! */␊ |
100 | int search_and_get_acpi_fd(const char *filename, const char **outDirspec)␊ |
101 | {␊ |
102 | ␉int fd = 0;␊ |
103 | ␉static char dirSpec[512];␊ |
104 | ␊ |
105 | ␉// Try finding 'filename' in the usual places␊ |
106 | ␉// Start searching any potential location for ACPI Table␊ |
107 | ␉snprintf(dirSpec, sizeof(dirSpec), "%s", filename);␊ |
108 | ␉fd = open(dirSpec, 0);␊ |
109 | ␉if (fd < 0)␊ |
110 | ␉{␊ |
111 | ␉␉snprintf(dirSpec, sizeof(dirSpec), "/Extra/%s", filename); ␊ |
112 | ␉␉fd = open(dirSpec, 0);␊ |
113 | ␉␉if (fd < 0)␊ |
114 | ␉␉{␊ |
115 | ␉␉␉snprintf(dirSpec, sizeof(dirSpec), "bt(0,0)/Extra/%s", filename);␊ |
116 | ␉␉␉fd = open(dirSpec, 0);␊ |
117 | ␉␉␉if (fd < 0)␊ |
118 | ␉␉␉{␊ |
119 | ␉␉␉␉// NOT FOUND:␊ |
120 | ␉␉␉␉DBG("ACPI Table not found: %s\n", filename);␊ |
121 | ␉␉␉␉*dirSpec = '\0';␊ |
122 | ␉␉␉}␊ |
123 | ␉␉}␊ |
124 | ␉}␊ |
125 | ␊ |
126 | ␉if (outDirspec) *outDirspec = dirSpec; ␊ |
127 | ␉return fd;␊ |
128 | }␊ |
129 | ␊ |
130 | void *loadACPITable (const char *filename)␊ |
131 | {␊ |
132 | ␉const char *dirspec = NULL;␊ |
133 | ␊ |
134 | ␉int fd = search_and_get_acpi_fd(filename, &dirspec);␊ |
135 | ␊ |
136 | ␉if (fd >= 0)␊ |
137 | ␉{␊ |
138 | ␉␉void *tableAddr = (void*)AllocateKernelMemory(file_size(fd));␊ |
139 | ␉␉if (tableAddr)␊ |
140 | ␉␉{␊ |
141 | ␉␉␉if (read(fd, tableAddr, file_size(fd)) != file_size(fd))␊ |
142 | ␉␉␉{␊ |
143 | ␉␉␉␉DBG("Couldn't read table %s\n",dirspec);␊ |
144 | ␉␉␉␉free(tableAddr);␊ |
145 | ␉␉␉␉close(fd);␊ |
146 | ␉␉␉␉return NULL;␊ |
147 | ␉␉␉}␊ |
148 | ␊ |
149 | ␉␉␉DBG("Table %s read and stored at: %x\n", dirspec, tableAddr);␊ |
150 | ␉␉␉close(fd);␊ |
151 | ␉␉␉return tableAddr;␊ |
152 | ␉␉}␊ |
153 | ␉␉close(fd);␊ |
154 | ␉␉DBG("Couldn't allocate memory for table \n", dirspec);␊ |
155 | ␉} ␊ |
156 | ␉//printf("Couldn't find table %s\n", filename);␊ |
157 | ␉return NULL;␊ |
158 | }␊ |
159 | ␊ |
160 | uint8_t acpi_cpu_count␉= 0;␊ |
161 | uint32_t acpi_cpu_p_blk␉= 0;␊ |
162 | char *acpi_cpu_name[32];␊ |
163 | ␊ |
164 | void get_acpi_cpu_names(unsigned char *dsdt, uint32_t length)␊ |
165 | {␊ |
166 | ␉uint32_t i;␊ |
167 | ␊ |
168 | ␉DBG("ACPIpatcher: start finding cpu names. Length %d\n", length);␊ |
169 | ␊ |
170 | ␉for (i=0; i<length-7; i++)␊ |
171 | ␉{␊ |
172 | ␉␉if (dsdt[i] == 0x5B && dsdt[i+1] == 0x83) // ProcessorOP␊ |
173 | ␉␉{␊ |
174 | ␉␉␉DBG("ACPIpatcher: DSDT[%X%X]\n", dsdt[i], dsdt[i+1]);␊ |
175 | ␊ |
176 | ␉␉␉uint32_t offset = i + 3 + (dsdt[i+2] >> 6);␊ |
177 | ␊ |
178 | ␉␉␉bool add_name = true;␊ |
179 | ␊ |
180 | ␉␉␉uint8_t j;␊ |
181 | ␊ |
182 | ␉␉␉for (j=0; j<4; j++)␊ |
183 | ␉␉␉{␊ |
184 | ␉␉␉␉char c = dsdt[offset+j];␊ |
185 | ␊ |
186 | ␉␉␉␉if (!aml_isvalidchar(c))␊ |
187 | ␉␉␉␉{␊ |
188 | ␉␉␉␉␉add_name = false;␊ |
189 | ␉␉␉␉␉DBG("ACPIpatcher: invalid character found in ProcessorOP '0x%X'!\n", c);␊ |
190 | ␉␉␉␉␉break;␊ |
191 | ␉␉␉␉}␊ |
192 | ␉␉␉}␊ |
193 | ␊ |
194 | ␉␉␉if (add_name)␊ |
195 | ␉␉␉{␊ |
196 | ␉␉␉␉acpi_cpu_name[acpi_cpu_count] = malloc(4);␊ |
197 | ␉␉␉␉memcpy(acpi_cpu_name[acpi_cpu_count], dsdt+offset, 4);␊ |
198 | ␉␉␉␉i = offset + 5;␊ |
199 | ␊ |
200 | ␉␉␉␉if (acpi_cpu_count == 0)␊ |
201 | ␉␉␉␉{␊ |
202 | ␉␉␉␉␉acpi_cpu_p_blk = dsdt[i] | (dsdt[i+1] << 8);␊ |
203 | ␉␉␉␉}␊ |
204 | ␊ |
205 | ␉␉␉␉DBG("ACPIpatcher: 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]);␊ |
206 | ␊ |
207 | ␉␉␉␉if (++acpi_cpu_count == 32)␊ |
208 | ␉␉␉␉{␊ |
209 | ␉␉␉␉␉return;␊ |
210 | ␉␉␉␉}␊ |
211 | ␉␉␉}␊ |
212 | ␉␉}␊ |
213 | ␉}␊ |
214 | ␊ |
215 | ␉DBG("ACPIpatcher: finished finding cpu names. Found: %d.\n", acpi_cpu_count);␊ |
216 | }␊ |
217 | ␊ |
218 | struct acpi_2_fadt *patch_fadt(struct acpi_2_fadt *fadt, struct acpi_2_dsdt *new_dsdt)␊ |
219 | {␊ |
220 | ␉extern void setupSystemType();␊ |
221 | ␊ |
222 | ␉struct acpi_2_fadt *fadt_mod = NULL;␊ |
223 | ␉bool fadt_rev2_needed = false;␊ |
224 | ␉bool fix_restart;␊ |
225 | ␉bool fix_restart_ps2;␊ |
226 | ␉const char * value;␊ |
227 | ␊ |
228 | ␉// Restart Fix␊ |
229 | ␉if (Platform.CPU.Vendor == 0x756E6547)␊ |
230 | ␉{␉/* Intel */␊ |
231 | ␉␉fix_restart = true;␊ |
232 | ␉␉fix_restart_ps2 = false;␊ |
233 | ␉␉if ( getBoolForKey(kPS2RestartFix, &fix_restart_ps2, &bootInfo->chameleonConfig) && fix_restart_ps2)␊ |
234 | ␉␉{␊ |
235 | ␉␉␉fix_restart = true;␊ |
236 | ␉␉}␊ |
237 | ␉␉else␊ |
238 | ␉␉{␊ |
239 | ␉␉␉getBoolForKey(kRestartFix, &fix_restart, &bootInfo->chameleonConfig);␊ |
240 | ␉␉}␊ |
241 | ␉}␊ |
242 | ␉else␊ |
243 | ␉{␊ |
244 | ␉␉DBG("Not an Intel platform: Restart Fix not applied !!!\n");␊ |
245 | ␉␉fix_restart = false;␊ |
246 | ␉}␊ |
247 | ␊ |
248 | ␉if (fix_restart)␊ |
249 | ␉{␊ |
250 | ␉␉fadt_rev2_needed = true;␊ |
251 | ␉}␊ |
252 | ␊ |
253 | ␉// Allocate new fadt table␊ |
254 | ␉if (fadt->Length < 0x84 && fadt_rev2_needed)␊ |
255 | ␉{␊ |
256 | ␉␉fadt_mod = (struct acpi_2_fadt *)AllocateKernelMemory(0x84);␊ |
257 | ␉␉memcpy(fadt_mod, fadt, fadt->Length);␊ |
258 | ␉␉fadt_mod->Length = 0x84;␊ |
259 | ␉␉fadt_mod->Revision = 0x02; // FADT rev 2 (ACPI 1.0B MS extensions)␊ |
260 | ␉}␊ |
261 | ␉else␊ |
262 | ␉{␊ |
263 | ␉␉fadt_mod = (struct acpi_2_fadt *)AllocateKernelMemory(fadt->Length);␊ |
264 | ␉␉memcpy(fadt_mod, fadt, fadt->Length);␊ |
265 | ␉}␊ |
266 | ␉// Determine system type / PM_Model␊ |
267 | ␉if ( (value=getStringForKey(kSystemType, &bootInfo->chameleonConfig))!=NULL)␊ |
268 | ␉{␊ |
269 | ␉␉if (Platform.Type > 6)␊ |
270 | ␉␉{␊ |
271 | ␉␉␉if(fadt_mod->PM_Profile<=6)␊ |
272 | ␉␉␉{␊ |
273 | ␉␉␉␉Platform.Type = fadt_mod->PM_Profile; // get the fadt if correct␊ |
274 | ␉␉␉}␊ |
275 | ␉␉␉else␊ |
276 | ␉␉␉{␊ |
277 | ␉␉␉␉Platform.Type = 1;␉␉/* Set a fixed value (Desktop) */␊ |
278 | ␉␉␉}␊ |
279 | ␉␉␉DBG("Error: system-type must be 0..6. Defaulting to %d !\n", Platform.Type);␊ |
280 | ␉␉}␊ |
281 | ␉␉else␊ |
282 | ␉␉{␊ |
283 | ␉␉␉Platform.Type = (unsigned char) strtoul(value, NULL, 10);␊ |
284 | ␉␉}␊ |
285 | ␉}␊ |
286 | ␉// Set PM_Profile from System-type if only user wanted this value to be forced␊ |
287 | ␉if (fadt_mod->PM_Profile != Platform.Type)␊ |
288 | ␉{␊ |
289 | ␉␉if (value)␊ |
290 | ␉␉{␊ |
291 | ␉␉␉// user has overriden the SystemType so take care of it in FACP␊ |
292 | ␉␉␉DBG("FADT: changing PM_Profile from 0x%02x to 0x%02x\n", fadt_mod->PM_Profile, Platform.Type);␊ |
293 | ␉␉␉fadt_mod->PM_Profile = Platform.Type;␊ |
294 | ␉␉}␊ |
295 | ␉␉else␊ |
296 | ␉␉{␊ |
297 | ␉␉␉// PM_Profile has a different value and no override has been set, so reflect the user value to ioregs␊ |
298 | ␉␉␉Platform.Type = fadt_mod->PM_Profile <= 6 ? fadt_mod->PM_Profile : 1;␊ |
299 | ␉␉}␊ |
300 | ␉}␊ |
301 | ␉// We now have to write the systemm-type in ioregs: we cannot do it before in setupDeviceTree()␊ |
302 | ␉// because we need to take care of FACP original content, if it is correct.␊ |
303 | ␉setupSystemType();␊ |
304 | ␊ |
305 | ␉// Patch FADT to fix restart␊ |
306 | ␉if (fix_restart)␊ |
307 | ␉{␊ |
308 | ␉␉if (fix_restart_ps2)␊ |
309 | ␉␉{␊ |
310 | ␉␉␉fadt_mod->Flags|= 0x400;␊ |
311 | ␉␉␉fadt_mod->Reset_SpaceID␉␉= 0x01; // System I/O␊ |
312 | ␉␉␉fadt_mod->Reset_BitWidth␉= 0x08; // 1 byte␊ |
313 | ␉␉␉fadt_mod->Reset_BitOffset␉= 0x00; // Offset 0␊ |
314 | ␉␉␉fadt_mod->Reset_AccessWidth␉= 0x01; // Byte access␊ |
315 | ␉␉␉fadt_mod->Reset_Address␉␉= 0x64; // Address of the register␊ |
316 | ␉␉␉fadt_mod->Reset_Value␉␉= 0xfe; // Value to write to reset the system␊ |
317 | ␉␉␉DBG("FADT: PS2 Restart Fix applied!\n");␊ |
318 | ␉␉}␊ |
319 | ␉␉else␊ |
320 | ␉␉{␊ |
321 | ␉␉␉fadt_mod->Flags|= 0x400;␊ |
322 | ␉␉␉fadt_mod->Reset_SpaceID␉␉= 0x01; // System I/O␊ |
323 | ␉␉␉fadt_mod->Reset_BitWidth␉= 0x08; // 1 byte␊ |
324 | ␉␉␉fadt_mod->Reset_BitOffset␉= 0x00; // Offset 0␊ |
325 | ␉␉␉fadt_mod->Reset_AccessWidth␉= 0x01; // Byte access␊ |
326 | ␉␉␉fadt_mod->Reset_Address␉␉= 0x0cf9; // Address of the register␊ |
327 | ␉␉␉fadt_mod->Reset_Value␉␉= 0x06; // Value to write to reset the system␊ |
328 | ␉␉␉DBG("FADT: ACPI Restart Fix applied!\n");␊ |
329 | ␉␉}␊ |
330 | ␊ |
331 | ␉}␊ |
332 | ␊ |
333 | ␉// Patch DSDT Address if we have loaded DSDT.aml␊ |
334 | ␉if(new_dsdt)␊ |
335 | ␉{␊ |
336 | ␉␉DBG("DSDT: Old @%x,%x, ",fadt_mod->DSDT,fadt_mod->X_DSDT);␊ |
337 | ␊ |
338 | ␉␉fadt_mod->DSDT=(uint32_t)new_dsdt;␊ |
339 | ␉␉if ((uint32_t)(&(fadt_mod->X_DSDT))-(uint32_t)fadt_mod+8<=fadt_mod->Length)␊ |
340 | ␉␉{␊ |
341 | ␉␉␉fadt_mod->X_DSDT=(uint32_t)new_dsdt;␊ |
342 | ␉␉}␊ |
343 | ␊ |
344 | ␉␉DBG("New @%x,%x\n",fadt_mod->DSDT,fadt_mod->X_DSDT);␊ |
345 | ␊ |
346 | ␉␉DBG("FADT: Using custom DSDT!\n");␊ |
347 | ␉}␊ |
348 | ␊ |
349 | ␉// Correct the checksum␊ |
350 | ␉fadt_mod->Checksum=0;␊ |
351 | ␉fadt_mod->Checksum=256-checksum8(fadt_mod,fadt_mod->Length);␊ |
352 | ␊ |
353 | ␉return fadt_mod;␊ |
354 | }␊ |
355 | ␊ |
356 | /* Setup ACPI without replacing DSDT. */␊ |
357 | int setupAcpiNoMod()␊ |
358 | {␊ |
359 | //␉addConfigurationTable(&gEfiAcpiTableGuid, getAddressOfAcpiTable(), "ACPI");␊ |
360 | //␉addConfigurationTable(&gEfiAcpi20TableGuid, getAddressOfAcpi20Table(), "ACPI_20");␊ |
361 | ␉/* XXX aserebln why uint32 cast if pointer is uint64 ? */␊ |
362 | ␉acpi10_p = (uint64_t)(uint32_t)getAddressOfAcpiTable();␊ |
363 | ␉acpi20_p = (uint64_t)(uint32_t)getAddressOfAcpi20Table();␊ |
364 | ␉addConfigurationTable(&gEfiAcpiTableGuid, &acpi10_p, "ACPI");␊ |
365 | ␉if(acpi20_p)␊ |
366 | ␉{␊ |
367 | ␉␉addConfigurationTable(&gEfiAcpi20TableGuid, &acpi20_p, "ACPI_20");␊ |
368 | ␉}␊ |
369 | ␉else␊ |
370 | ␉{␊ |
371 | ␉␉DBG("No ACPI 2.\n");␊ |
372 | ␉}␊ |
373 | ␉return 1;␊ |
374 | }␊ |
375 | ␊ |
376 | /* Setup ACPI. Replace DSDT if DSDT.aml is found */␊ |
377 | int setupAcpi(void)␊ |
378 | {␊ |
379 | ␉int version;␊ |
380 | ␉void *new_dsdt = NULL;␊ |
381 | ␊ |
382 | ␊ |
383 | ␉const char *filename;␊ |
384 | ␉char dirSpec[128];␊ |
385 | ␉int len = 0;␊ |
386 | ␊ |
387 | ␉// always reset cpu count to 0 when injecting new acpi␊ |
388 | ␉acpi_cpu_count = 0;␊ |
389 | ␊ |
390 | ␉/* Try using the file specified with the DSDT option */␊ |
391 | ␉if (getValueForKey(kDSDT, &filename, &len, &bootInfo->chameleonConfig))␊ |
392 | ␉{␊ |
393 | ␉␉snprintf(dirSpec, sizeof(dirSpec), filename);␊ |
394 | ␉}␊ |
395 | ␉else␊ |
396 | ␉{␊ |
397 | ␉␉sprintf(dirSpec, "DSDT.aml");␊ |
398 | ␉␉//verbose("dirSpec, DSDT.aml");␊ |
399 | ␉}␊ |
400 | ␊ |
401 | ␉// Load replacement DSDT␊ |
402 | ␉new_dsdt = loadACPITable(dirSpec);␊ |
403 | ␊ |
404 | ␉// Mozodojo: going to patch FACP and load SSDT's even if DSDT.aml is not present␊ |
405 | ␉/*if (!new_dsdt)␊ |
406 | ␉ {␊ |
407 | ␉ return setupAcpiNoMod();␊ |
408 | ␉ }*/␊ |
409 | ␊ |
410 | ␉// Mozodojo: Load additional SSDTs␊ |
411 | ␉struct acpi_2_ssdt *new_ssdt[32]; // 30 + 2 additional tables for pss & cst␊ |
412 | ␉int ssdt_count=0;␊ |
413 | ␊ |
414 | ␉// SSDT Options␊ |
415 | ␉bool drop_ssdt = false, generate_pstates = false, generate_cstates = false;␊ |
416 | ␊ |
417 | ␉getBoolForKey(kDropSSDT, &drop_ssdt, &bootInfo->chameleonConfig);␊ |
418 | ␉getBoolForKey(kGeneratePStates, &generate_pstates, &bootInfo->chameleonConfig);␊ |
419 | ␉getBoolForKey(kGenerateCStates, &generate_cstates, &bootInfo->chameleonConfig);␊ |
420 | ␊ |
421 | ␉DBG("Generating P-States config: %s\n", generate_pstates ? "YES" : "NO");␊ |
422 | ␉DBG("Generating C-States config: %s\n", generate_cstates ? "YES" : "NO");␊ |
423 | ␊ |
424 | ␉{␊ |
425 | ␉␉int i;␊ |
426 | ␊ |
427 | ␉␉for (i = 0; i < 30; i++)␊ |
428 | ␉␉{␊ |
429 | ␉␉␉char filename[512];␊ |
430 | ␊ |
431 | ␉␉␉sprintf(filename, i > 0 ? "SSDT-%d.aml" : "SSDT.aml", i);␊ |
432 | ␊ |
433 | ␉␉␉if ( (new_ssdt[ssdt_count] = loadACPITable(filename)) )␊ |
434 | ␉␉␉{␊ |
435 | ␉␉␉␉ssdt_count++;␊ |
436 | ␉␉␉}␊ |
437 | ␉␉␉else␊ |
438 | ␉␉␉{␊ |
439 | ␉␉␉␉break;␊ |
440 | ␉␉␉}␊ |
441 | ␉␉}␊ |
442 | ␉}␊ |
443 | ␊ |
444 | ␉// Do the same procedure for both versions of ACPI␊ |
445 | ␉for (version = 0; version < 2; version++)␊ |
446 | ␉{␊ |
447 | ␉␉struct acpi_2_rsdp *rsdp, *rsdp_mod;␊ |
448 | ␉␉struct acpi_2_rsdt *rsdt, *rsdt_mod;␊ |
449 | ␉␉int rsdplength;␊ |
450 | ␊ |
451 | ␉␉// Find original rsdp␊ |
452 | ␉␉rsdp = (struct acpi_2_rsdp *)(version ? getAddressOfAcpi20Table() : getAddressOfAcpiTable());␊ |
453 | ␉␉if (!rsdp)␊ |
454 | ␉␉{␊ |
455 | ␉␉␉DBG("No ACPI version %d found. Ignoring\n", version+1);␊ |
456 | ␉␉␉if (version)␊ |
457 | ␉␉␉{␊ |
458 | ␉␉␉␉addConfigurationTable(&gEfiAcpi20TableGuid, NULL, "ACPI_20");␊ |
459 | ␉␉␉}␊ |
460 | ␉␉␉else␊ |
461 | ␉␉␉{␊ |
462 | ␉␉␉␉addConfigurationTable(&gEfiAcpiTableGuid, NULL, "ACPI");␊ |
463 | ␉␉␉}␊ |
464 | ␉␉␉continue;␊ |
465 | ␉␉}␊ |
466 | ␉␉rsdplength = version ? rsdp->Length : 20;␊ |
467 | ␊ |
468 | ␉␉DBG("RSDP version %d found @%x. Length=%d\n",version+1,rsdp,rsdplength);␊ |
469 | ␊ |
470 | ␉␉/* FIXME: no check that memory allocation succeeded ␊ |
471 | ␉␉ * Copy and patch RSDP,RSDT, XSDT and FADT␊ |
472 | ␉␉ * For more info see ACPI Specification pages 110 and following␊ |
473 | ␉␉ */␊ |
474 | ␊ |
475 | ␉␉rsdp_mod = (struct acpi_2_rsdp *) AllocateKernelMemory(rsdplength);␊ |
476 | ␉␉memcpy(rsdp_mod, rsdp, rsdplength);␊ |
477 | ␊ |
478 | ␉␉rsdt = (struct acpi_2_rsdt *)rsdp->RsdtAddress;␊ |
479 | ␊ |
480 | ␉␉DBG("RSDT @%x, Length %d\n",rsdt, rsdt ? rsdt->Length : 0);␊ |
481 | ␊ |
482 | ␉␉if (rsdt && (uint32_t)rsdt !=0xffffffff && rsdt->Length < 0x10000)␊ |
483 | ␉␉{␊ |
484 | ␉␉␉uint32_t *rsdt_entries;␊ |
485 | ␉␉␉int rsdt_entries_num;␊ |
486 | ␉␉␉int dropoffset=0, i;␊ |
487 | ␊ |
488 | ␉␉␉// mozo: using malloc cos I didn't found how to free already allocated kernel memory␊ |
489 | ␉␉␉rsdt_mod = (struct acpi_2_rsdt *)malloc(rsdt->Length);␊ |
490 | ␉␉␉memcpy(rsdt_mod, rsdt, rsdt->Length);␊ |
491 | ␉␉␉rsdp_mod->RsdtAddress = (uint32_t)rsdt_mod;␊ |
492 | ␉␉␉rsdt_entries_num = (rsdt_mod->Length - sizeof(struct acpi_2_rsdt)) / 4;␊ |
493 | ␉␉␉rsdt_entries = (uint32_t *)(rsdt_mod + 1);␊ |
494 | ␉␉␉for (i = 0;i < rsdt_entries_num;i++)␊ |
495 | ␉␉␉{␊ |
496 | ␉␉␉␉char *table=(char *)(rsdt_entries[i]);␊ |
497 | ␉␉␉␉if (!table)␊ |
498 | ␉␉␉␉{␊ |
499 | ␉␉␉␉␉continue;␊ |
500 | ␉␉␉␉}␊ |
501 | ␊ |
502 | ␉␉␉␉DBG("TABLE %c%c%c%c,",table[0],table[1],table[2],table[3]);␊ |
503 | ␊ |
504 | ␉␉␉␉rsdt_entries[i-dropoffset]=rsdt_entries[i];␊ |
505 | ␊ |
506 | ␉␉␉␉if (drop_ssdt && tableSign(table, "SSDT"))␊ |
507 | ␉␉␉␉{␊ |
508 | ␉␉␉␉␉DBG("OEM SSDT tables was dropped\n");␊ |
509 | ␉␉␉␉␉dropoffset++;␊ |
510 | ␉␉␉␉␉continue;␊ |
511 | ␉␉␉␉}␊ |
512 | ␊ |
513 | ␉␉␉␉if (tableSign(table, "DSDT"))␊ |
514 | ␉␉␉␉{␊ |
515 | ␉␉␉␉␉DBG("DSDT found\n");␊ |
516 | ␉␉␉␉␉verbose("Custom DSDT table was found\n");␊ |
517 | ␉␉␉␉␉if(new_dsdt)␊ |
518 | ␉␉␉␉␉{␊ |
519 | ␉␉␉␉␉␉rsdt_entries[i-dropoffset]=(uint32_t)new_dsdt;␊ |
520 | ␉␉␉␉␉}␊ |
521 | ␊ |
522 | ␉␉␉␉␉continue;␊ |
523 | ␉␉␉␉}␊ |
524 | ␊ |
525 | ␉␉␉␉if (tableSign(table, "FACP"))␊ |
526 | ␉␉␉␉{␊ |
527 | ␉␉␉␉␉struct acpi_2_fadt *fadt, *fadt_mod;␊ |
528 | ␉␉␉␉␉fadt=(struct acpi_2_fadt *)rsdt_entries[i];␊ |
529 | ␊ |
530 | ␉␉␉␉␉DBG("FADT found @%x, Length %d\n",fadt, fadt->Length);␊ |
531 | ␊ |
532 | ␉␉␉␉␉if (!fadt || (uint32_t)fadt == 0xffffffff || fadt->Length>0x10000)␊ |
533 | ␉␉␉␉␉{␊ |
534 | ␉␉␉␉␉␉DBG("FADT incorrect. Not modified\n");␊ |
535 | ␉␉␉␉␉␉continue;␊ |
536 | ␉␉␉␉␉}␊ |
537 | ␉␉␉␉␉␊ |
538 | ␉␉␉␉␉fadt_mod = patch_fadt(fadt, new_dsdt);␊ |
539 | ␉␉␉␉␉rsdt_entries[i-dropoffset] = (uint32_t)fadt_mod;␊ |
540 | ␉␉␉␉␉␊ |
541 | ␉␉␉␉␉// Generate _CST SSDT␊ |
542 | ␉␉␉␉␉if (generate_cstates && (new_ssdt[ssdt_count] = generate_cst_ssdt(fadt_mod)))␊ |
543 | ␉␉␉␉␉{␊ |
544 | ␉␉␉␉␉␉DBG("C-States generated\n");␊ |
545 | ␉␉␉␉␉␉generate_cstates = false; // Generate SSDT only once!␊ |
546 | ␉␉␉␉␉␉ssdt_count++;␊ |
547 | ␉␉␉␉␉}␊ |
548 | ␊ |
549 | ␉␉␉␉␉// Generating _PSS SSDT␊ |
550 | ␉␉␉␉␉if (generate_pstates && (new_ssdt[ssdt_count] = generate_pss_ssdt((void*)fadt_mod->DSDT)))␊ |
551 | ␉␉␉␉␉{␊ |
552 | ␉␉␉␉␉␉DBG("P-States generated\n");␊ |
553 | ␉␉␉␉␉␉generate_pstates = false; // Generate SSDT only once!␊ |
554 | ␉␉␉␉␉␉ssdt_count++;␊ |
555 | ␉␉␉␉␉}␊ |
556 | ␉␉␉␉␉continue;␊ |
557 | ␉␉␉␉}␊ |
558 | ␉␉␉}␊ |
559 | ␉␉␉DBG("\n");␊ |
560 | ␊ |
561 | ␉␉␉// Allocate rsdt in Kernel memory area␊ |
562 | ␉␉␉rsdt_mod->Length += 4*ssdt_count - 4*dropoffset;␊ |
563 | ␉␉␉struct acpi_2_rsdt *rsdt_copy = (struct acpi_2_rsdt *)AllocateKernelMemory(rsdt_mod->Length);␊ |
564 | ␉␉␉memcpy(rsdt_copy, rsdt_mod, rsdt_mod->Length);␊ |
565 | ␉␉␉free(rsdt_mod);␊ |
566 | ␉␉␉rsdt_mod = rsdt_copy;␊ |
567 | ␉␉␉rsdp_mod->RsdtAddress = (uint32_t)rsdt_mod;␊ |
568 | ␉␉␉rsdt_entries_num = (rsdt_mod->Length-sizeof(struct acpi_2_rsdt)) / 4;␊ |
569 | ␉␉␉rsdt_entries = (uint32_t *)(rsdt_mod + 1);␊ |
570 | ␊ |
571 | ␉␉␉// Mozodojo: Insert additional SSDTs into RSDT␊ |
572 | ␉␉␉if(ssdt_count > 0)␊ |
573 | ␉␉␉{␊ |
574 | ␉␉␉␉int j;␊ |
575 | ␊ |
576 | ␉␉␉␉for (j=0; j<ssdt_count; j++)␊ |
577 | ␉␉␉␉{␊ |
578 | ␉␉␉␉␉rsdt_entries[i-dropoffset+j]=(uint32_t)new_ssdt[j];␊ |
579 | ␉␉␉␉}␊ |
580 | ␊ |
581 | ␉␉␉␉DBG("RSDT: Added %d SSDT table(s)\n", ssdt_count);␊ |
582 | ␊ |
583 | ␉␉␉}␊ |
584 | ␊ |
585 | ␉␉␉// Correct the checksum of RSDT␊ |
586 | ␉␉␉DBG("RSDT: Original checksum %d, ", rsdt_mod->Checksum);␊ |
587 | ␊ |
588 | ␉␉␉rsdt_mod->Checksum=0;␊ |
589 | ␉␉␉rsdt_mod->Checksum=256-checksum8(rsdt_mod,rsdt_mod->Length);␊ |
590 | ␊ |
591 | ␉␉␉DBG("New checksum %d at %x\n", rsdt_mod->Checksum,rsdt_mod);␊ |
592 | ␉␉}␊ |
593 | ␉␉else␊ |
594 | ␉␉{␊ |
595 | ␉␉␉rsdp_mod->RsdtAddress=0;␊ |
596 | ␉␉␉DBG("RSDT not found or RSDT incorrect\n");␊ |
597 | ␉␉}␊ |
598 | ␉␉DBG("\n");␊ |
599 | ␊ |
600 | ␉␉if (version)␊ |
601 | ␉␉{␊ |
602 | ␉␉␉struct acpi_2_xsdt *xsdt, *xsdt_mod;␊ |
603 | ␊ |
604 | ␉␉␉// FIXME: handle 64-bit address correctly␊ |
605 | ␊ |
606 | ␉␉␉xsdt=(struct acpi_2_xsdt*) ((uint32_t)rsdp->XsdtAddress);␊ |
607 | ␉␉␉DBG("XSDT @%x;%x, Length=%d\n", (uint32_t)(rsdp->XsdtAddress>>32),(uint32_t)rsdp->XsdtAddress, xsdt->Length);␊ |
608 | ␊ |
609 | ␉␉␉if (xsdt && (uint64_t)rsdp->XsdtAddress<0xffffffff && xsdt->Length<0x10000)␊ |
610 | ␉␉␉{␊ |
611 | ␉␉␉␉uint64_t *xsdt_entries;␊ |
612 | ␉␉␉␉int xsdt_entries_num, i;␊ |
613 | ␉␉␉␉int dropoffset=0;␊ |
614 | ␊ |
615 | ␉␉␉␉// mozo: using malloc cos I didn't found how to free already allocated kernel memory␊ |
616 | ␉␉␉␉xsdt_mod=(struct acpi_2_xsdt*)malloc(xsdt->Length);␊ |
617 | ␉␉␉␉memcpy(xsdt_mod, xsdt, xsdt->Length);␊ |
618 | ␊ |
619 | ␉␉␉␉rsdp_mod->XsdtAddress = (uint32_t)xsdt_mod;␊ |
620 | ␉␉␉␉xsdt_entries_num = (xsdt_mod->Length - sizeof(struct acpi_2_xsdt)) / 8;␊ |
621 | ␉␉␉␉xsdt_entries = (uint64_t *)(xsdt_mod + 1);␊ |
622 | ␉␉␉␉for (i = 0;i < xsdt_entries_num;i++)␊ |
623 | ␉␉␉␉{␊ |
624 | ␉␉␉␉␉char *table = (char *)((uint32_t)(xsdt_entries[i]));␊ |
625 | ␉␉␉␉␉if (!table)␊ |
626 | ␉␉␉␉␉{␊ |
627 | ␉␉␉␉␉␉continue;␊ |
628 | ␉␉␉␉␉}␊ |
629 | ␉␉␉␉␉xsdt_entries[i - dropoffset] = xsdt_entries[i];␊ |
630 | ␊ |
631 | ␉␉␉␉␉if (drop_ssdt && tableSign(table, "SSDT"))␊ |
632 | ␉␉␉␉␉{␊ |
633 | ␉␉␉␉␉␉DBG("dropped (OEM)\n");␊ |
634 | ␉␉␉␉␉␉dropoffset++;␊ |
635 | ␉␉␉␉␉␉continue;␊ |
636 | ␉␉␉␉␉}␊ |
637 | ␉␉␉␉␉if (tableSign(table, "DSDT"))␊ |
638 | ␉␉␉␉␉{␊ |
639 | ␉␉␉␉␉␉DBG("DSDT found\n");␊ |
640 | ␊ |
641 | ␉␉␉␉␉␉if (new_dsdt)␊ |
642 | ␉␉␉␉␉␉{␊ |
643 | ␉␉␉␉␉␉␉xsdt_entries[i-dropoffset] = (uint32_t)new_dsdt;␊ |
644 | ␉␉␉␉␉␉␉DBG("custom table added\n");␊ |
645 | ␉␉␉␉␉␉}␊ |
646 | ␊ |
647 | ␉␉␉␉␉␉DBG("TABLE %c%c%c%c@%x \n", table[0],table[1],table[2],table[3],xsdt_entries[i]);␊ |
648 | ␊ |
649 | ␉␉␉␉␉␉continue;␊ |
650 | ␉␉␉␉␉}␊ |
651 | ␉␉␉␉␉if (tableSign(table, "FACP"))␊ |
652 | ␉␉␉␉␉{␊ |
653 | ␉␉␉␉␉␉struct acpi_2_fadt *fadt, *fadt_mod;␊ |
654 | ␉␉␉␉␉␉fadt=(struct acpi_2_fadt *)(uint32_t)xsdt_entries[i];␊ |
655 | ␊ |
656 | ␉␉␉␉␉␉DBG("FADT found @%x%x, Length %d\n",(uint32_t)(xsdt_entries[i]>>32),fadt, ␊ |
657 | ␉␉␉␉␉␉␉fadt->Length);␊ |
658 | ␊ |
659 | ␉␉␉␉␉␉if (!fadt || (uint64_t)xsdt_entries[i] >= 0xffffffff || fadt->Length>0x10000)␊ |
660 | ␉␉␉␉␉␉{␊ |
661 | ␉␉␉␉␉␉␉DBG("FADT incorrect or after 4GB. Dropping XSDT\n");␊ |
662 | ␉␉␉␉␉␉␉goto drop_xsdt;␊ |
663 | ␉␉␉␉␉␉}␊ |
664 | ␊ |
665 | ␉␉␉␉␉␉fadt_mod = patch_fadt(fadt, new_dsdt);␊ |
666 | ␉␉␉␉␉␉xsdt_entries[i-dropoffset]=(uint32_t)fadt_mod;␊ |
667 | ␊ |
668 | ␉␉␉␉␉␉// DBG("TABLE %c%c%c%c@%x \n", table[0],table[1],table[2],table[3],xsdt_entries[i]);␊ |
669 | ␊ |
670 | ␉␉␉␉␉␉// Generate _CST SSDT␊ |
671 | ␉␉␉␉␉␉if (generate_cstates && (new_ssdt[ssdt_count] = generate_cst_ssdt(fadt_mod)))␊ |
672 | ␉␉␉␉␉␉{␊ |
673 | ␉␉␉␉␉␉␉DBG("C-States generated\n");␊ |
674 | ␉␉␉␉␉␉␉generate_cstates = false; // Generate SSDT only once!␊ |
675 | ␉␉␉␉␉␉␉ssdt_count++;␊ |
676 | ␉␉␉␉␉␉}␊ |
677 | ␊ |
678 | ␉␉␉␉␉␉// Generating _PSS SSDT␊ |
679 | ␉␉␉␉␉␉if (generate_pstates && (new_ssdt[ssdt_count] = generate_pss_ssdt((void*)fadt_mod->DSDT)))␊ |
680 | ␉␉␉␉␉␉{␊ |
681 | ␉␉␉␉␉␉␉DBG("P-States generated\n");␊ |
682 | ␉␉␉␉␉␉␉generate_pstates = false; // Generate SSDT only once!␊ |
683 | ␉␉␉␉␉␉␉ssdt_count++;␊ |
684 | ␉␉␉␉␉␉}␊ |
685 | ␊ |
686 | ␉␉␉␉␉␉continue;␊ |
687 | ␉␉␉␉␉}␊ |
688 | ␉␉␉␉␉DBG("copied (OEM)\n");␊ |
689 | ␉␉␉␉␉// DBG("TABLE %c%c%c%c@%x \n", table[0],table[1],table[2],table[3],xsdt_entries[i]);␊ |
690 | ␉␉␉␉}␊ |
691 | ␊ |
692 | ␉␉␉␉// Allocate xsdt in Kernel memory area␊ |
693 | ␉␉␉␉xsdt_mod->Length += 8*ssdt_count - 8*dropoffset;␊ |
694 | ␉␉␉␉struct acpi_2_xsdt *xsdt_copy = (struct acpi_2_xsdt *)AllocateKernelMemory(xsdt_mod->Length);␊ |
695 | ␉␉␉␉memcpy(xsdt_copy, xsdt_mod, xsdt_mod->Length);␊ |
696 | ␉␉␉␉free(xsdt_mod);␊ |
697 | ␉␉␉␉xsdt_mod = xsdt_copy;␊ |
698 | ␉␉␉␉rsdp_mod->XsdtAddress = (uint32_t)xsdt_mod;␊ |
699 | ␉␉␉␉xsdt_entries_num = (xsdt_mod->Length - sizeof(struct acpi_2_xsdt)) / 8;␊ |
700 | ␉␉␉␉xsdt_entries = (uint64_t *)(xsdt_mod + 1);␊ |
701 | ␊ |
702 | ␉␉␉␉// Mozodojo: Insert additional SSDTs into XSDT␊ |
703 | ␉␉␉␉if(ssdt_count > 0)␊ |
704 | ␉␉␉␉{␊ |
705 | ␉␉␉␉␉int j;␊ |
706 | ␊ |
707 | ␉␉␉␉␉for (j=0; j<ssdt_count; j++)␊ |
708 | ␉␉␉␉␉{␊ |
709 | ␉␉␉␉␉␉xsdt_entries[i-dropoffset+j]=(uint32_t)new_ssdt[j];␊ |
710 | ␉␉␉␉␉}␊ |
711 | ␊ |
712 | ␉␉␉␉␉verbose("Added %d SSDT table(s) into XSDT\n", ssdt_count);␊ |
713 | ␊ |
714 | ␉␉␉␉}␊ |
715 | ␊ |
716 | ␉␉␉␉// Correct the checksum of XSDT␊ |
717 | ␉␉␉␉xsdt_mod->Checksum=0;␊ |
718 | ␉␉␉␉xsdt_mod->Checksum=256-checksum8(xsdt_mod,xsdt_mod->Length);␊ |
719 | ␉␉␉}␊ |
720 | ␉␉␉else␊ |
721 | ␉␉␉{␊ |
722 | ␉␉␉drop_xsdt:␊ |
723 | ␊ |
724 | ␉␉␉␉DBG("About to drop XSDT\n");␊ |
725 | ␊ |
726 | ␉␉␉␉/*FIXME: Now we just hope that if MacOS doesn't find XSDT it reverts to RSDT. ␊ |
727 | ␉␉␉␉ * A Better strategy would be to generate␊ |
728 | ␉␉␉␉ */␊ |
729 | ␊ |
730 | ␉␉␉␉rsdp_mod->XsdtAddress=0xffffffffffffffffLL;␊ |
731 | ␉␉␉␉verbose("XSDT not found or XSDT incorrect\n");␊ |
732 | ␉␉␉}␊ |
733 | ␉␉}␊ |
734 | ␉␉DBG("\n");␊ |
735 | ␊ |
736 | ␉␉// Correct the checksum of RSDP␊ |
737 | ␊ |
738 | ␉␉DBG("RSDP: Original checksum %d, ", rsdp_mod->Checksum);␊ |
739 | ␊ |
740 | ␉␉rsdp_mod->Checksum=0;␊ |
741 | ␉␉rsdp_mod->Checksum=256-checksum8(rsdp_mod,20);␊ |
742 | ␊ |
743 | ␉␉DBG("New checksum %d\n", rsdp_mod->Checksum);␊ |
744 | ␊ |
745 | ␉␉if (version)␊ |
746 | ␉␉{␊ |
747 | ␉␉␉DBG("RSDP: Original extended checksum %d, ", rsdp_mod->ExtendedChecksum);␊ |
748 | ␊ |
749 | ␉␉␉rsdp_mod->ExtendedChecksum=0;␊ |
750 | ␉␉␉rsdp_mod->ExtendedChecksum=256-checksum8(rsdp_mod,rsdp_mod->Length);␊ |
751 | ␊ |
752 | ␉␉␉DBG("New extended checksum %d\n", rsdp_mod->ExtendedChecksum);␊ |
753 | ␊ |
754 | ␉␉}␊ |
755 | ␊ |
756 | ␉␉if (version)␊ |
757 | ␉␉{␊ |
758 | ␉␉␉/* XXX aserebln why uint32 cast if pointer is uint64 ? */␊ |
759 | ␉␉␉acpi20_p = (uint64_t)(uint32_t)rsdp_mod;␊ |
760 | ␉␉␉addConfigurationTable(&gEfiAcpi20TableGuid, &acpi20_p, "ACPI_20");␊ |
761 | ␉␉}␊ |
762 | ␉␉else␊ |
763 | ␉␉{␊ |
764 | ␉␉␉/* XXX aserebln why uint32 cast if pointer is uint64 ? */␊ |
765 | ␉␉␉acpi10_p = (uint64_t)(uint32_t)rsdp_mod;␊ |
766 | ␉␉␉addConfigurationTable(&gEfiAcpiTableGuid, &acpi10_p, "ACPI");␊ |
767 | ␉␉}␊ |
768 | ␉␉DBG("ACPI version %d patching finished\n\n", version+1);␊ |
769 | ␉}␊ |
770 | #if DEBUG_ACPI␊ |
771 | ␉printf("Press a key to continue... (DEBUG_ACPI)\n");␊ |
772 | ␉getchar();␊ |
773 | #endif␊ |
774 | ␉return 1;␊ |
775 | }␊ |
776 | |