| 1 | /*␊ |
| 2 | * Copyright 2008 mackerintel␊ |
| 3 | * 2010 mojodojo,␊ |
| 4 | * 2012 slice␊ |
| 5 | */␊ |
| 6 | ␊ |
| 7 | #include "libsaio.h"␊ |
| 8 | #include "boot.h"␊ |
| 9 | #include "bootstruct.h"␊ |
| 10 | #include "acpi.h"␊ |
| 11 | #include "efi_tables.h"␊ |
| 12 | #include "fake_efi.h"␊ |
| 13 | #include "acpi_patcher.h"␊ |
| 14 | #include "platform.h"␊ |
| 15 | #include "cpu.h"␊ |
| 16 | #include "aml_generator.h"␊ |
| 17 | #include "state_generator.h"␊ |
| 18 | ␊ |
| 19 | #ifndef DEBUG_ACPI␊ |
| 20 | #define DEBUG_ACPI 0␊ |
| 21 | #endif␊ |
| 22 | ␊ |
| 23 | #if DEBUG_ACPI==2␊ |
| 24 | #define DBG(x...) {printf(x); sleep(1);}␊ |
| 25 | #elif DEBUG_ACPI==1␊ |
| 26 | #define DBG(x...) printf(x)␊ |
| 27 | #else␊ |
| 28 | #define DBG(x...) msglog(x)␊ |
| 29 | #endif␊ |
| 30 | ␊ |
| 31 | // Slice: New signature compare function␊ |
| 32 | boolean_t tableSign(void *table, const char *sgn)␊ |
| 33 | {␊ |
| 34 | ␉int i;␊ |
| 35 | ␉for (i = 0; i < 4; i++)␊ |
| 36 | ␉{␊ |
| 37 | ␉␉if ((((char *)table)[i] & ~0x20) != (sgn[i] & ~0x20))␊ |
| 38 | ␉␉{␊ |
| 39 | ␉␉␉return false;␊ |
| 40 | ␉␉}␊ |
| 41 | ␉}␊ |
| 42 | ␉return true;␊ |
| 43 | }␊ |
| 44 | ␊ |
| 45 | uint32_t EBDA_RANGE_START = EBDA_RANGE_MIN;␊ |
| 46 | ␊ |
| 47 | uint64_t acpi10_p = 0;␊ |
| 48 | uint64_t acpi20_p = 0;␊ |
| 49 | ␊ |
| 50 | /* Gets the ACPI 1.0 RSDP address */␊ |
| 51 | static struct acpi_2_rsdp *getAddressOfAcpiTable()␊ |
| 52 | {␊ |
| 53 | /* Before searching the BIOS space we are supposed to search the first 1K of the EBDA */␊ |
| 54 | EBDA_RANGE_START = /* (uint32_t)swapUint16(*(uint16_t *)BDA_EBDA_START) << 4 */ EBDA_RANGE_MIN;␊ |
| 55 | verbose("ACPIpatcher: scanning EBDA [%08X-%08X] for RSDP 1.0... ", EBDA_RANGE_START, EBDA_RANGE_END);␊ |
| 56 | void *acpi_addr = (void*)EBDA_RANGE_START;␊ |
| 57 | ␉for (; acpi_addr < (void*)EBDA_RANGE_END; acpi_addr++) {␊ |
| 58 | ␉␉if (*(uint64_t *)acpi_addr == ACPI_SIGNATURE_UINT64_LE) {␊ |
| 59 | break;␊ |
| 60 | ␉␉}␊ |
| 61 | ␉}␊ |
| 62 | ␊ |
| 63 | if (acpi_addr >= (void*)EBDA_RANGE_END) {␊ |
| 64 | verbose("Nothing found.\n");␊ |
| 65 | verbose("ACPIpatcher: scanning BIOS area [%08X-%08X] for RSDP 1.0...\n", ACPI_RANGE_START, ACPI_RANGE_END);␊ |
| 66 | acpi_addr = (void*)ACPI_RANGE_START;␊ |
| 67 | for (; acpi_addr < (void*)ACPI_RANGE_END; acpi_addr += 16) {␊ |
| 68 | if (*(uint64_t *)acpi_addr == ACPI_SIGNATURE_UINT64_LE) {␊ |
| 69 | break;␊ |
| 70 | }␊ |
| 71 | }␊ |
| 72 | } else {␊ |
| 73 | verbose("\n");␊ |
| 74 | }␊ |
| 75 | ␊ |
| 76 | uint8_t csum = checksum8(acpi_addr, 20);␊ |
| 77 | ␊ |
| 78 | if (csum == 0) {␊ |
| 79 | // Only return the table if it is a true version 1.0 table (Revision 0)␊ |
| 80 | if(((struct acpi_2_rsdp*)acpi_addr)->Revision == 0) {␊ |
| 81 | return acpi_addr;␊ |
| 82 | }␊ |
| 83 | }␊ |
| 84 | ␉␊ |
| 85 | ␉return NULL;␊ |
| 86 | }␊ |
| 87 | ␊ |
| 88 | /* Gets the ACPI 2.0 RSDP address */␊ |
| 89 | static struct acpi_2_rsdp *getAddressOfAcpi20Table()␊ |
| 90 | {␊ |
| 91 | /* Before searching the BIOS space we are supposed to search the first 1K of the EBDA */␊ |
| 92 | ␉EBDA_RANGE_START = /* (uint32_t)swapUint16(*(uint16_t *)BDA_EBDA_START) << 4 */ EBDA_RANGE_MIN;␊ |
| 93 | verbose("ACPIpatcher: scanning EBDA [%08X-%08X] for RSDP 2.0 or newer... ", EBDA_RANGE_START, EBDA_RANGE_END);␊ |
| 94 | void *acpi_addr = (void *)EBDA_RANGE_START;␊ |
| 95 | ␉for (; acpi_addr < (void *)EBDA_RANGE_END; acpi_addr++) {␊ |
| 96 | ␉␉if (*(uint64_t *)acpi_addr == ACPI_SIGNATURE_UINT64_LE) {␊ |
| 97 | break;␊ |
| 98 | ␉␉}␊ |
| 99 | ␉}␊ |
| 100 | ␊ |
| 101 | if (acpi_addr >= (void *)EBDA_RANGE_END) {␊ |
| 102 | verbose("Nothing found.\n");␊ |
| 103 | verbose("ACPIpatcher: scanning BIOS area [%08X-%08X] for RSDP 2.0 or newer...\n", ACPI_RANGE_START, ACPI_RANGE_END);␊ |
| 104 | acpi_addr = (void *)ACPI_RANGE_START;␊ |
| 105 | for (; acpi_addr <= (void *)ACPI_RANGE_END; acpi_addr += 16) {␊ |
| 106 | if(*(uint64_t *)acpi_addr == ACPI_SIGNATURE_UINT64_LE) {␊ |
| 107 | break;␊ |
| 108 | }␊ |
| 109 | }␊ |
| 110 | } else {␊ |
| 111 | verbose("\n");␊ |
| 112 | }␊ |
| 113 | ␊ |
| 114 | uint8_t csum = checksum8(acpi_addr, 20);␊ |
| 115 | ␊ |
| 116 | /* Only assume this is a 2.0 or better table if the revision is greater than 0␊ |
| 117 | * NOTE: ACPI 3.0 spec only seems to say that 1.0 tables have revision 1␊ |
| 118 | * and that the current revision is 2.. I am going to assume that rev > 0 is 2.0.␊ |
| 119 | */␊ |
| 120 | ␊ |
| 121 | if(csum == 0 && (((struct acpi_2_rsdp*)acpi_addr)->Revision > 0)) {␊ |
| 122 | uint8_t csum2 = checksum8(acpi_addr, sizeof(struct acpi_2_rsdp));␊ |
| 123 | if(csum2 == 0) {␊ |
| 124 | return acpi_addr;␊ |
| 125 | }␊ |
| 126 | }␊ |
| 127 | ␉␊ |
| 128 | ␉return NULL;␊ |
| 129 | }␊ |
| 130 | ␊ |
| 131 | /* The folowing ACPI Table search algo. should be reused anywhere needed:*/␊ |
| 132 | /* WARNING: outDirspec string will be overwritten by subsequent calls! */␊ |
| 133 | int search_and_get_acpi_fd(const char *filename, const char **outDirspec)␊ |
| 134 | {␊ |
| 135 | ␉int fd = 0;␊ |
| 136 | ␉static char dirSpec[512];␊ |
| 137 | ␊ |
| 138 | ␉// Try finding 'filename' in the usual places␊ |
| 139 | ␉// Start searching any potential location for ACPI Table␊ |
| 140 | snprintf(dirSpec, sizeof(dirSpec), "%s", filename);␊ |
| 141 | fd = open(dirSpec, 0);␊ |
| 142 | ␉if (fd < 0) {␊ |
| 143 | ␉␉snprintf(dirSpec, sizeof(dirSpec), "/Extra/%s", filename); ␊ |
| 144 | ␉␉fd = open(dirSpec, 0);␊ |
| 145 | ␉␉if (fd < 0) {␊ |
| 146 | snprintf(dirSpec, sizeof(dirSpec), "/Extra/Acpi/%s", filename);␊ |
| 147 | fd = open(dirSpec, 0);␊ |
| 148 | if (fd < 0) {␊ |
| 149 | snprintf(dirSpec, sizeof(dirSpec), "bt(0,0)/Extra/%s", filename);␊ |
| 150 | fd = open(dirSpec, 0);␊ |
| 151 | if (fd < 0) {␊ |
| 152 | snprintf(dirSpec, sizeof(dirSpec), "bt(0,0)/Extra/Acpi/%s", filename);␊ |
| 153 | fd = open(dirSpec, 0);␊ |
| 154 | if (fd < 0) {␊ |
| 155 | // NOT FOUND:␊ |
| 156 | dirSpec[0] = 0;␊ |
| 157 | }␊ |
| 158 | }␊ |
| 159 | ␉␉␉}␊ |
| 160 | ␉␉}␊ |
| 161 | ␉}␊ |
| 162 | ␊ |
| 163 | ␉if (outDirspec) *outDirspec = dirSpec; ␊ |
| 164 | ␉return fd;␊ |
| 165 | }␊ |
| 166 | ␊ |
| 167 | void *loadACPITable (const char *filename)␊ |
| 168 | {␊ |
| 169 | ␉void *tableAddr;␊ |
| 170 | ␉const char *dirspec = NULL;␊ |
| 171 | ␊ |
| 172 | ␉int fd = search_and_get_acpi_fd(filename, &dirspec);␊ |
| 173 | ␊ |
| 174 | ␉if (fd >= 0)␊ |
| 175 | ␉{␊ |
| 176 | ␉␉tableAddr = (void *)AllocateKernelMemory(file_size(fd));␊ |
| 177 | ␉␉if (tableAddr)␊ |
| 178 | ␉␉{␊ |
| 179 | ␉␉␉if (read(fd, tableAddr, file_size(fd)) != file_size(fd))␊ |
| 180 | ␉␉␉{␊ |
| 181 | ␉␉␉␉verbose("loadACPITable: Couldn't read table from: %s.\n", dirspec);␊ |
| 182 | ␉␉␉␉free(tableAddr);␊ |
| 183 | ␉␉␉␉close(fd);␊ |
| 184 | ␉␉␉␉return NULL;␊ |
| 185 | ␉␉␉}␊ |
| 186 | ␉␉␉//verbose("ACPIpatcher: Table %s read and stored at: 0x%08X\n", dirspec, tableAddr);␊ |
| 187 | ␉␉␉close(fd);␊ |
| 188 | ␉␉␉return tableAddr;␊ |
| 189 | ␉␉}␊ |
| 190 | ␉␉close(fd);␊ |
| 191 | ␉␉verbose("loadACPITable: Couldn't allocate memory for table: %s.\n", dirspec);␊ |
| 192 | }␊ |
| 193 | ␊ |
| 194 | ␉return NULL;␊ |
| 195 | }␊ |
| 196 | /***␊ |
| 197 | uint8_t␉acpi_cpu_count = 0;␊ |
| 198 | char *acpi_cpu_name[32];␊ |
| 199 | uint32_t acpi_cpu_p_blk = 0;␊ |
| 200 | ␊ |
| 201 | void get_acpi_cpu_names(unsigned char *dsdt, uint32_t length)␊ |
| 202 | {␊ |
| 203 | ␉uint32_t i;␊ |
| 204 | ␊ |
| 205 | ␉verbose("ACPIpatcher: start finding cpu names. Length %d\n", length);␊ |
| 206 | ␊ |
| 207 | ␉for (i=0; i<length-7; i++)␊ |
| 208 | ␉{␊ |
| 209 | ␉␉if (dsdt[i] == 0x5B && dsdt[i+1] == 0x83) // ProcessorOP␊ |
| 210 | ␉␉{␊ |
| 211 | ␉␉␉verbose("ACPIpatcher: DSDT[%X%X]\n", dsdt[i], dsdt[i+1]);␊ |
| 212 | ␊ |
| 213 | ␉␉␉uint32_t offset = i + 3 + (dsdt[i+2] >> 6);␊ |
| 214 | ␊ |
| 215 | ␉␉␉bool add_name = true;␊ |
| 216 | ␊ |
| 217 | ␉␉␉uint8_t j;␊ |
| 218 | ␊ |
| 219 | ␉␉␉for (j=0; j<4; j++)␊ |
| 220 | ␉␉␉{␊ |
| 221 | ␉␉␉␉char c = dsdt[offset+j];␊ |
| 222 | ␊ |
| 223 | ␉␉␉␉if (!aml_isvalidchar(c))␊ |
| 224 | ␉␉␉␉{␊ |
| 225 | ␉␉␉␉␉add_name = false;␊ |
| 226 | ␉␉␉␉␉verbose("ACPIpatcher: invalid character found in ProcessorOP '0x%X'!\n", c);␊ |
| 227 | ␉␉␉␉␉break;␊ |
| 228 | ␉␉␉␉}␊ |
| 229 | ␉␉␉}␊ |
| 230 | ␊ |
| 231 | ␉␉␉if (add_name)␊ |
| 232 | ␉␉␉{␊ |
| 233 | ␉␉␉␉acpi_cpu_name[acpi_cpu_count] = malloc(4);␊ |
| 234 | ␉␉␉␉memcpy(acpi_cpu_name[acpi_cpu_count], dsdt+offset, 4);␊ |
| 235 | ␉␉␉␉i = offset + 5;␊ |
| 236 | ␊ |
| 237 | ␉␉␉␉if (acpi_cpu_count == 0)␊ |
| 238 | ␉␉␉␉␉acpi_cpu_p_blk = dsdt[i] | (dsdt[i+1] << 8);␊ |
| 239 | ␊ |
| 240 | ␉␉␉␉verbose("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]);␊ |
| 241 | ␊ |
| 242 | ␉␉␉␉if (++acpi_cpu_count == 32) {␊ |
| 243 | ␉␉␉␉␉return;␊ |
| 244 | ␉␉␉␉}␊ |
| 245 | ␉␉␉}␊ |
| 246 | ␉␉}␊ |
| 247 | ␉}␊ |
| 248 | ␊ |
| 249 | ␉verbose("ACPIpatcher: finished finding cpu names. Found: %d.\n", acpi_cpu_count);␊ |
| 250 | }␊ |
| 251 | ␊ |
| 252 | struct acpi_2_ssdt *generate_cst_ssdt(struct acpi_2_fadt* fadt)␊ |
| 253 | {␊ |
| 254 | ␉char ssdt_header[] =␊ |
| 255 | ␉{␊ |
| 256 | ␉␉0x53, 0x53, 0x44, 0x54, 0xE7, 0x00, 0x00, 0x00, // SSDT....␊ |
| 257 | ␉␉0x01, 0x17, 0x50, 0x6D, 0x52, 0x65, 0x66, 0x41, // ..PmRefA␊ |
| 258 | ␉␉0x43, 0x70, 0x75, 0x43, 0x73, 0x74, 0x00, 0x00, // CpuCst..␊ |
| 259 | ␉␉0x00, 0x10, 0x00, 0x00, 0x49, 0x4E, 0x54, 0x4C, // ....INTL␊ |
| 260 | ␉␉0x31, 0x03, 0x10, 0x20␉␉␉␉␉␉␉// 1.._␊ |
| 261 | ␉};␊ |
| 262 | ␉␊ |
| 263 | ␉char resource_template_register_fixedhw[] =␊ |
| 264 | ␉{␊ |
| 265 | ␉␉0x11, 0x14, 0x0A, 0x11, 0x82, 0x0C, 0x00, 0x7F,␊ |
| 266 | ␉␉0x01, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,␊ |
| 267 | ␉␉0x00, 0x00, 0x01, 0x79, 0x00␊ |
| 268 | ␉};␊ |
| 269 | ␊ |
| 270 | ␉char resource_template_register_systemio[] =␊ |
| 271 | ␉{␊ |
| 272 | ␉␉0x11, 0x14, 0x0A, 0x11, 0x82, 0x0C, 0x00, 0x01,␊ |
| 273 | ␉␉0x08, 0x00, 0x00, 0x15, 0x04, 0x00, 0x00, 0x00,␊ |
| 274 | ␉␉0x00, 0x00, 0x00, 0x79, 0x00,␊ |
| 275 | ␉};␊ |
| 276 | ␊ |
| 277 | ␉if (Platform.CPU.Vendor != CPUID_VENDOR_INTEL) { // Intel = 0x756E6547␊ |
| 278 | ␉␉verbose("ACPIpatcher: not an Intel platform, C-States will not be generated!\n");␊ |
| 279 | ␉␉return NULL;␊ |
| 280 | ␉}␊ |
| 281 | ␊ |
| 282 | ␉if (fadt == NULL) {␊ |
| 283 | ␉␉verbose("ACPIpatcher: FACP not exists, C-States will not be generated!\n");␊ |
| 284 | ␉␉return NULL;␊ |
| 285 | ␉}␊ |
| 286 | ␊ |
| 287 | ␉struct acpi_2_dsdt *dsdt = (struct acpi_2_dsdt *)fadt->DSDT;␊ |
| 288 | ␊ |
| 289 | ␉if (dsdt == NULL) {␊ |
| 290 | ␉␉verbose("ACPIpatcher: DSDT not found, C-States will not be generated!\n");␊ |
| 291 | ␉␉return NULL;␊ |
| 292 | ␉}␊ |
| 293 | ␊ |
| 294 | ␉if (acpi_cpu_count == 0)␊ |
| 295 | ␉␉get_acpi_cpu_names((void*)dsdt, dsdt->Length);␊ |
| 296 | ␊ |
| 297 | ␉if (acpi_cpu_count > 0)␊ |
| 298 | ␉{␊ |
| 299 | ␉␉bool c2_enabled = false;␊ |
| 300 | ␉␉bool c3_enabled = false;␊ |
| 301 | ␉␉bool c4_enabled = false;␊ |
| 302 | ␉␉bool cst_using_systemio = false;␊ |
| 303 | ␊ |
| 304 | ␉␉getBoolForKey(kEnableC2State, &c2_enabled, &bootInfo->chameleonConfig);␊ |
| 305 | ␉␉getBoolForKey(kEnableC3State, &c3_enabled, &bootInfo->chameleonConfig);␊ |
| 306 | ␉␉getBoolForKey(kEnableC4State, &c4_enabled, &bootInfo->chameleonConfig);␊ |
| 307 | ␉␉getBoolForKey(kCSTUsingSystemIO, &cst_using_systemio, &bootInfo->chameleonConfig);␊ |
| 308 | ␊ |
| 309 | ␉␉c2_enabled = c2_enabled | (fadt->C2_Latency < 100);␊ |
| 310 | ␉␉c3_enabled = c3_enabled | (fadt->C3_Latency < 1000);␊ |
| 311 | ␊ |
| 312 | ␉␉unsigned char cstates_count = 1 + (c2_enabled ? 1 : 0) + (c3_enabled ? 1 : 0);␊ |
| 313 | ␊ |
| 314 | ␉␉AML_CHUNK* root = aml_create_node(NULL);␊ |
| 315 | ␉␉aml_add_buffer(root, ssdt_header, sizeof(ssdt_header)); // SSDT header␊ |
| 316 | ␉␉AML_CHUNK* scop = aml_add_scope(root, "\\_PR_");␊ |
| 317 | ␉␉AML_CHUNK* name = aml_add_name(scop, "CST_");␊ |
| 318 | ␉␉AML_CHUNK* pack = aml_add_package(name);␊ |
| 319 | ␉␉aml_add_byte(pack, cstates_count);␊ |
| 320 | ␊ |
| 321 | ␉␉AML_CHUNK* tmpl = aml_add_package(pack);␊ |
| 322 | ␉␉if (cst_using_systemio) {␊ |
| 323 | ␉␉␉// C1␊ |
| 324 | ␉␉␉resource_template_register_fixedhw[8] = 0x00;␊ |
| 325 | ␉␉␉resource_template_register_fixedhw[9] = 0x00;␊ |
| 326 | ␉␉␉resource_template_register_fixedhw[18] = 0x00;␊ |
| 327 | ␉␉␉aml_add_buffer(tmpl, resource_template_register_fixedhw, sizeof(resource_template_register_fixedhw));␊ |
| 328 | ␉␉␉aml_add_byte(tmpl, 0x01);␉␉// C1␊ |
| 329 | ␉␉␉aml_add_word(tmpl, 0x0001);␉␉// Latency␊ |
| 330 | ␉␉␉aml_add_dword(tmpl, 0x000003e8);␉// Power␊ |
| 331 | ␊ |
| 332 | ␉␉␉uint8_t p_blk_lo, p_blk_hi;␊ |
| 333 | ␊ |
| 334 | ␉␉␉if (c2_enabled) // C2␊ |
| 335 | ␉␉␉{␊ |
| 336 | ␉␉␉␉p_blk_lo = acpi_cpu_p_blk + 4;␊ |
| 337 | ␉␉␉␉p_blk_hi = (acpi_cpu_p_blk + 4) >> 8;␊ |
| 338 | ␊ |
| 339 | ␉␉␉␉tmpl = aml_add_package(pack);␊ |
| 340 | ␉␉␉␉resource_template_register_systemio[11] = p_blk_lo; // C2␊ |
| 341 | ␉␉␉␉resource_template_register_systemio[12] = p_blk_hi; // C2␊ |
| 342 | ␉␉␉␉aml_add_buffer(tmpl, resource_template_register_systemio, sizeof(resource_template_register_systemio));␊ |
| 343 | ␉␉␉␉aml_add_byte(tmpl, 0x02);␉␉// C2␊ |
| 344 | ␉␉␉␉aml_add_word(tmpl, 0x0040);␉␉// Latency␊ |
| 345 | ␉␉␉␉aml_add_dword(tmpl, 0x000001f4);␉// Power␊ |
| 346 | ␉␉␉}␊ |
| 347 | ␊ |
| 348 | ␉␉␉if (c4_enabled) // C4␊ |
| 349 | ␉␉␉{␊ |
| 350 | ␉␉␉␉p_blk_lo = acpi_cpu_p_blk + 5;␊ |
| 351 | ␉␉␉␉p_blk_hi = (acpi_cpu_p_blk + 5) >> 8;␊ |
| 352 | ␊ |
| 353 | ␉␉␉␉tmpl = aml_add_package(pack);␊ |
| 354 | ␉␉␉␉resource_template_register_systemio[11] = p_blk_lo; // C4␊ |
| 355 | ␉␉␉␉resource_template_register_systemio[12] = p_blk_hi; // C4␊ |
| 356 | ␉␉␉␉aml_add_buffer(tmpl, resource_template_register_systemio, sizeof(resource_template_register_systemio));␊ |
| 357 | ␉␉␉␉aml_add_byte(tmpl, 0x04);␉␉// C4␊ |
| 358 | ␉␉␉␉aml_add_word(tmpl, 0x0080);␉␉// Latency␊ |
| 359 | ␉␉␉␉aml_add_dword(tmpl, 0x000000C8);␉// Power␊ |
| 360 | ␉␉␉}␊ |
| 361 | ␉␉␉else if (c3_enabled) // C3␊ |
| 362 | ␉␉␉{␊ |
| 363 | ␉␉␉␉p_blk_lo = acpi_cpu_p_blk + 5;␊ |
| 364 | ␉␉␉␉p_blk_hi = (acpi_cpu_p_blk + 5) >> 8;␊ |
| 365 | ␊ |
| 366 | ␉␉␉␉tmpl = aml_add_package(pack);␊ |
| 367 | ␉␉␉␉resource_template_register_systemio[11] = p_blk_lo; // C3␊ |
| 368 | ␉␉␉␉resource_template_register_systemio[12] = p_blk_hi; // C3␊ |
| 369 | ␉␉␉␉aml_add_buffer(tmpl, resource_template_register_systemio, sizeof(resource_template_register_systemio));␊ |
| 370 | ␉␉␉␉aml_add_byte(tmpl, 0x03);␉␉// C3␊ |
| 371 | ␉␉␉␉aml_add_word(tmpl, 0x0060);␉␉// Latency␊ |
| 372 | ␉␉␉␉aml_add_dword(tmpl, 0x0000015e);␉// Power␊ |
| 373 | ␉␉␉}␊ |
| 374 | ␉␉}␊ |
| 375 | ␉␉else␊ |
| 376 | ␉␉{␊ |
| 377 | ␉␉␉// C1␊ |
| 378 | ␉␉␉resource_template_register_fixedhw[11] = 0x00; // C1␊ |
| 379 | ␉␉␉aml_add_buffer(tmpl, resource_template_register_fixedhw, sizeof(resource_template_register_fixedhw));␊ |
| 380 | ␉␉␉aml_add_byte(tmpl, 0x01);␉␉// C1␊ |
| 381 | ␉␉␉aml_add_word(tmpl, 0x0001);␉␉// Latency␊ |
| 382 | ␉␉␉aml_add_dword(tmpl, 0x000003e8);␉// Power␊ |
| 383 | ␊ |
| 384 | ␉␉␉resource_template_register_fixedhw[18] = 0x03;␊ |
| 385 | ␊ |
| 386 | ␉␉␉if (c2_enabled) // C2␊ |
| 387 | ␉␉␉{␊ |
| 388 | ␉␉␉␉tmpl = aml_add_package(pack);␊ |
| 389 | ␉␉␉␉resource_template_register_fixedhw[11] = 0x10; // C2␊ |
| 390 | ␉␉␉␉aml_add_buffer(tmpl, resource_template_register_fixedhw, sizeof(resource_template_register_fixedhw));␊ |
| 391 | ␉␉␉␉aml_add_byte(tmpl, 0x02);␉␉// C2␊ |
| 392 | ␉␉␉␉aml_add_word(tmpl, 0x0040);␉␉// Latency␊ |
| 393 | ␉␉␉␉aml_add_dword(tmpl, 0x000001f4);␉// Power␊ |
| 394 | ␉␉␉}␊ |
| 395 | ␊ |
| 396 | ␉␉␉if (c4_enabled) // C4␊ |
| 397 | ␉␉␉{␊ |
| 398 | ␉␉␉␉tmpl = aml_add_package(pack);␊ |
| 399 | ␉␉␉␉resource_template_register_fixedhw[11] = 0x30; // C4␊ |
| 400 | ␉␉␉␉aml_add_buffer(tmpl, resource_template_register_fixedhw, sizeof(resource_template_register_fixedhw));␊ |
| 401 | ␉␉␉␉aml_add_byte(tmpl, 0x04);␉␉// C4␊ |
| 402 | ␉␉␉␉aml_add_word(tmpl, 0x0080);␉␉// Latency␊ |
| 403 | ␉␉␉␉aml_add_dword(tmpl, 0x000000C8);␉// Power␊ |
| 404 | ␉␉␉}␊ |
| 405 | ␉␉␉else if (c3_enabled)␊ |
| 406 | ␉␉␉{␊ |
| 407 | ␉␉␉␉tmpl = aml_add_package(pack);␊ |
| 408 | ␉␉␉␉resource_template_register_fixedhw[11] = 0x20; // C3␊ |
| 409 | ␉␉␉␉aml_add_buffer(tmpl, resource_template_register_fixedhw, sizeof(resource_template_register_fixedhw));␊ |
| 410 | ␉␉␉␉aml_add_byte(tmpl, 0x03);␉␉// C3␊ |
| 411 | ␉␉␉␉aml_add_word(tmpl, 0x0060);␉␉// Latency␊ |
| 412 | ␉␉␉␉aml_add_dword(tmpl, 0x0000015e);␉// Power␊ |
| 413 | ␉␉␉}␊ |
| 414 | ␉␉}␊ |
| 415 | ␊ |
| 416 | ␉␉// Aliaces␊ |
| 417 | ␉␉int i;␊ |
| 418 | ␉␉for (i = 0; i < acpi_cpu_count; i++) ␊ |
| 419 | ␉␉{␊ |
| 420 | ␉␉␉char name[9];␊ |
| 421 | ␉␉␉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]);␊ |
| 422 | ␊ |
| 423 | ␉␉␉scop = aml_add_scope(root, name);␊ |
| 424 | ␉␉␉␉aml_add_alias(scop, "CST_", "_CST");␊ |
| 425 | ␉␉}␊ |
| 426 | ␊ |
| 427 | ␉␉aml_calculate_size(root);␊ |
| 428 | ␊ |
| 429 | ␉␉struct acpi_2_ssdt *ssdt = (struct acpi_2_ssdt *)AllocateKernelMemory(root->Size);␊ |
| 430 | ␊ |
| 431 | ␉␉aml_write_node(root, (void*)ssdt, 0);␊ |
| 432 | ␊ |
| 433 | ␉␉ssdt->Length = root->Size;␊ |
| 434 | ␉␉ssdt->Checksum = 0;␊ |
| 435 | ␉␉ssdt->Checksum = 256 - checksum8(ssdt, ssdt->Length);␊ |
| 436 | ␊ |
| 437 | ␉␉aml_destroy_node(root);␊ |
| 438 | ␊ |
| 439 | ␉␉// dumpPhysAddr("C-States SSDT content: ", ssdt, ssdt->Length);␊ |
| 440 | ␉␉␊ |
| 441 | ␉␉verbose("ACPIpatcher: SSDT with CPU C-States generated successfully.\n");␊ |
| 442 | ␊ |
| 443 | ␉␉return ssdt;␊ |
| 444 | ␉} else {␊ |
| 445 | ␉␉verbose("ACPIpatcher: ACPI CPUs not found: C-States not generated!\n");␊ |
| 446 | ␉}␊ |
| 447 | ␊ |
| 448 | ␉return NULL;␊ |
| 449 | }␊ |
| 450 | ␊ |
| 451 | struct acpi_2_ssdt *generate_pss_ssdt(struct acpi_2_dsdt* dsdt)␊ |
| 452 | {␊ |
| 453 | ␉char ssdt_header[] =␊ |
| 454 | ␉{␊ |
| 455 | ␉␉0x53, 0x53, 0x44, 0x54, 0x7E, 0x00, 0x00, 0x00, // SSDT....␊ |
| 456 | ␉␉0x01, 0x6A, 0x50, 0x6D, 0x52, 0x65, 0x66, 0x00, // ..PmRef.␊ |
| 457 | ␉␉0x43, 0x70, 0x75, 0x50, 0x6D, 0x00, 0x00, 0x00, // CpuPm...␊ |
| 458 | ␉␉0x00, 0x30, 0x00, 0x00, 0x49, 0x4E, 0x54, 0x4C, // .0..INTL␊ |
| 459 | ␉␉0x31, 0x03, 0x10, 0x20,␉␉␉␉␉␉␉// 1.._␊ |
| 460 | ␉};␊ |
| 461 | ␊ |
| 462 | ␉if (Platform.CPU.Vendor != CPUID_VENDOR_INTEL) { // Intel = 0x756E6547␊ |
| 463 | ␉␉verbose("ACPIpatcher: not an Intel platform: P-States will not be generated!\n");␊ |
| 464 | ␉␉return NULL;␊ |
| 465 | ␉}␊ |
| 466 | ␊ |
| 467 | ␉if (!(Platform.CPU.Features & CPU_FEATURE_MSR)) {␊ |
| 468 | ␉␉verbose("ACPIpatcher: unsupported CPU: P-States will not be generated! No MSR support.\n");␊ |
| 469 | ␉␉return NULL;␊ |
| 470 | ␉}␊ |
| 471 | ␊ |
| 472 | ␉if (acpi_cpu_count == 0)␊ |
| 473 | ␉␉get_acpi_cpu_names((void*)dsdt, dsdt->Length);␊ |
| 474 | ␊ |
| 475 | ␉if (acpi_cpu_count > 0)␊ |
| 476 | ␉{␊ |
| 477 | ␉␉struct p_state initial, maximum, minimum, p_states[32];␊ |
| 478 | ␉␉uint8_t p_states_count = 0;␊ |
| 479 | ␊ |
| 480 | ␉␉// Retrieving P-States, ported from code by superhai (c)␊ |
| 481 | ␉␉switch (Platform.CPU.Family) {␊ |
| 482 | ␉␉␉case 0x06:␊ |
| 483 | ␉␉␉{␊ |
| 484 | ␉␉␉␉switch (Platform.CPU.Model) ␊ |
| 485 | ␉␉␉␉{␊ |
| 486 | ␉␉␉␉␉case CPUID_MODEL_DOTHAN:␉// Intel Pentium M␊ |
| 487 | ␉␉␉␉␉case CPUID_MODEL_YONAH:␉// Intel Mobile Core Solo, Duo␊ |
| 488 | ␉␉␉␉␉case CPUID_MODEL_MEROM:␉// Intel Mobile Core 2 Solo, Duo, Xeon 30xx, Xeon 51xx, Xeon X53xx, Xeon E53xx, Xeon X32xx␊ |
| 489 | ␉␉␉␉␉case CPUID_MODEL_PENRYN:␉// Intel Core 2 Solo, Duo, Quad, Extreme, Xeon X54xx, Xeon X33xx␊ |
| 490 | ␉␉␉␉␉case CPUID_MODEL_ATOM:␉// Intel Atom (45nm)␊ |
| 491 | ␉␉␉␉␉{␊ |
| 492 | ␉␉␉␉␉␉bool cpu_dynamic_fsb = false;␊ |
| 493 | ␊ |
| 494 | ␉␉␉␉␉␉if (rdmsr64(MSR_IA32_EXT_CONFIG) & (1 << 27)) ␊ |
| 495 | ␉␉␉␉␉␉{␊ |
| 496 | ␉␉␉␉␉␉␉wrmsr64(MSR_IA32_EXT_CONFIG, (rdmsr64(MSR_IA32_EXT_CONFIG) | (1 << 28))); ␊ |
| 497 | ␉␉␉␉␉␉␉delay(1);␊ |
| 498 | ␉␉␉␉␉␉␉cpu_dynamic_fsb = rdmsr64(MSR_IA32_EXT_CONFIG) & (1 << 28);␊ |
| 499 | ␉␉␉␉␉␉}␊ |
| 500 | ␊ |
| 501 | ␉␉␉␉␉␉bool cpu_noninteger_bus_ratio = (rdmsr64(MSR_IA32_PERF_STATUS) & (1ULL << 46));␊ |
| 502 | ␊ |
| 503 | ␉␉␉␉␉␉initial.Control = rdmsr64(MSR_IA32_PERF_STATUS);␊ |
| 504 | ␊ |
| 505 | ␉␉␉␉␉␉maximum.Control = ((rdmsr64(MSR_IA32_PERF_STATUS) >> 32) & 0x1F3F) | (0x4000 * cpu_noninteger_bus_ratio);␊ |
| 506 | ␉␉␉␉␉␉maximum.CID = ((maximum.FID & 0x1F) << 1) | cpu_noninteger_bus_ratio;␊ |
| 507 | ␊ |
| 508 | ␉␉␉␉␉␉minimum.FID = ((rdmsr64(MSR_IA32_PERF_STATUS) >> 24) & 0x1F) | (0x80 * cpu_dynamic_fsb);␊ |
| 509 | ␉␉␉␉␉␉minimum.VID = ((rdmsr64(MSR_IA32_PERF_STATUS) >> 48) & 0x3F);␊ |
| 510 | ␊ |
| 511 | ␉␉␉␉␉␉if (minimum.FID == 0) ␊ |
| 512 | ␉␉␉␉␉␉{␊ |
| 513 | ␉␉␉␉␉␉␉uint64_t msr;␊ |
| 514 | ␉␉␉␉␉␉␉uint8_t i;␊ |
| 515 | ␉␉␉␉␉␉␉// Probe for lowest fid␊ |
| 516 | ␉␉␉␉␉␉␉for (i = maximum.FID; i >= 0x6; i--)␊ |
| 517 | ␉␉␉␉␉␉␉{␊ |
| 518 | ␉␉␉␉␉␉␉␉msr = rdmsr64(MSR_IA32_PERF_CONTROL);␊ |
| 519 | ␉␉␉␉␉␉␉␉wrmsr64(MSR_IA32_PERF_CONTROL, (msr & 0xFFFFFFFFFFFF0000ULL) | (i << 8) | minimum.VID);␊ |
| 520 | ␉␉␉␉␉␉␉␉intel_waitforsts();␊ |
| 521 | ␉␉␉␉␉␉␉␉minimum.FID = (rdmsr64(MSR_IA32_PERF_STATUS) >> 8) & 0x1F; ␊ |
| 522 | ␉␉␉␉␉␉␉␉delay(1);␊ |
| 523 | ␉␉␉␉␉␉␉}␊ |
| 524 | ␊ |
| 525 | ␉␉␉␉␉␉␉msr = rdmsr64(MSR_IA32_PERF_CONTROL);␊ |
| 526 | ␉␉␉␉␉␉␉wrmsr64(MSR_IA32_PERF_CONTROL, (msr & 0xFFFFFFFFFFFF0000ULL) | (maximum.FID << 8) | maximum.VID);␊ |
| 527 | ␉␉␉␉␉␉␉intel_waitforsts();␊ |
| 528 | ␉␉␉␉␉␉}␊ |
| 529 | ␊ |
| 530 | ␉␉␉␉␉␉if (minimum.VID == maximum.VID) ␊ |
| 531 | ␉␉␉␉␉␉{␊ |
| 532 | ␉␉␉␉␉␉␉uint64_t msr;␊ |
| 533 | ␉␉␉␉␉␉␉uint8_t i;␊ |
| 534 | ␉␉␉␉␉␉␉// Probe for lowest vid␊ |
| 535 | ␉␉␉␉␉␉␉for (i = maximum.VID; i > 0xA; i--) ␊ |
| 536 | ␉␉␉␉␉␉␉{␊ |
| 537 | ␉␉␉␉␉␉␉␉msr = rdmsr64(MSR_IA32_PERF_CONTROL);␊ |
| 538 | ␉␉␉␉␉␉␉␉wrmsr64(MSR_IA32_PERF_CONTROL, (msr & 0xFFFFFFFFFFFF0000ULL) | (minimum.FID << 8) | i);␊ |
| 539 | ␉␉␉␉␉␉␉␉intel_waitforsts();␊ |
| 540 | ␉␉␉␉␉␉␉␉minimum.VID = rdmsr64(MSR_IA32_PERF_STATUS) & 0x3F; ␊ |
| 541 | ␉␉␉␉␉␉␉␉delay(1);␊ |
| 542 | ␉␉␉␉␉␉␉}␊ |
| 543 | ␊ |
| 544 | ␉␉␉␉␉␉␉msr = rdmsr64(MSR_IA32_PERF_CONTROL);␊ |
| 545 | ␉␉␉␉␉␉␉wrmsr64(MSR_IA32_PERF_CONTROL, (msr & 0xFFFFFFFFFFFF0000ULL) | (maximum.FID << 8) | maximum.VID);␊ |
| 546 | ␉␉␉␉␉␉␉intel_waitforsts();␊ |
| 547 | ␉␉␉␉␉␉}␊ |
| 548 | ␊ |
| 549 | ␉␉␉␉␉␉minimum.CID = ((minimum.FID & 0x1F) << 1) >> cpu_dynamic_fsb;␊ |
| 550 | ␊ |
| 551 | ␉␉␉␉␉␉// Sanity check␊ |
| 552 | ␉␉␉␉␉␉if (maximum.CID < minimum.CID) {␊ |
| 553 | ␉␉␉␉␉␉␉verbose("P-States: Insane FID values!");␊ |
| 554 | ␉␉␉␉␉␉␉p_states_count = 0;␊ |
| 555 | ␉␉␉␉␉␉} else {␊ |
| 556 | ␉␉␉␉␉␉␉uint8_t vidstep;␊ |
| 557 | ␉␉␉␉␉␉␉uint8_t i = 0, u, invalid = 0;␊ |
| 558 | ␉␉␉␉␉␉␉// Finalize P-States␊ |
| 559 | ␉␉␉␉␉␉␉// Find how many P-States machine supports␊ |
| 560 | ␉␉␉␉␉␉␉p_states_count = (uint8_t)(maximum.CID - minimum.CID + 1);␊ |
| 561 | ␊ |
| 562 | ␉␉␉␉␉␉␉if (p_states_count > 32) {␊ |
| 563 | ␉␉␉␉␉␉␉␉p_states_count = 32;␊ |
| 564 | ␉␉␉␉␉␉␉}␊ |
| 565 | ␊ |
| 566 | ␉␉␉␉␉␉␉vidstep = ((maximum.VID << 2) - (minimum.VID << 2)) / (p_states_count - 1);␊ |
| 567 | ␊ |
| 568 | ␉␉␉␉␉␉␉for (u = 0; u < p_states_count; u++) {␊ |
| 569 | ␉␉␉␉␉␉␉␉i = u - invalid;␊ |
| 570 | ␊ |
| 571 | ␉␉␉␉␉␉␉␉p_states[i].CID = maximum.CID - u;␊ |
| 572 | ␉␉␉␉␉␉␉␉p_states[i].FID = (uint8_t)(p_states[i].CID >> 1);␊ |
| 573 | ␊ |
| 574 | ␉␉␉␉␉␉␉␉if (p_states[i].FID < 0x6) {␊ |
| 575 | ␉␉␉␉␉␉␉␉␉if (cpu_dynamic_fsb) {␊ |
| 576 | ␉␉␉␉␉␉␉␉␉␉p_states[i].FID = (p_states[i].FID << 1) | 0x80;␊ |
| 577 | ␉␉␉␉␉␉␉␉␉}␊ |
| 578 | ␉␉␉␉␉␉␉␉} else if (cpu_noninteger_bus_ratio) {␊ |
| 579 | ␉␉␉␉␉␉␉␉␉p_states[i].FID = p_states[i].FID | (0x40 * (p_states[i].CID & 0x1));␊ |
| 580 | ␉␉␉␉␉␉␉␉}␊ |
| 581 | ␊ |
| 582 | ␉␉␉␉␉␉␉␉if (i && p_states[i].FID == p_states[i-1].FID) {␊ |
| 583 | ␉␉␉␉␉␉␉␉␉invalid++;␊ |
| 584 | ␉␉␉␉␉␉␉␉}␊ |
| 585 | ␉␉␉␉␉␉␉␉p_states[i].VID = ((maximum.VID << 2) - (vidstep * u)) >> 2;␊ |
| 586 | ␉␉␉␉␉␉␉␉uint32_t multiplier = p_states[i].FID & 0x1f;␉␉// = 0x08␊ |
| 587 | ␉␉␉␉␉␉␉␉bool half = p_states[i].FID & 0x40;␉␉␉␉␉// = 0x01␊ |
| 588 | ␉␉␉␉␉␉␉␉bool dfsb = p_states[i].FID & 0x80;␉␉␉␉␉// = 0x00␊ |
| 589 | ␉␉␉␉␉␉␉␉uint32_t fsb = (uint32_t)(Platform.CPU.FSBFrequency / 1000000); // = 400␊ |
| 590 | ␉␉␉␉␉␉␉␉uint32_t halffsb = (fsb + 1) >> 1;␉␉␉␉␉// = 200␊ |
| 591 | ␉␉␉␉␉␉␉␉uint32_t frequency = (multiplier * fsb);␉␉␉// = 3200␊ |
| 592 | ␊ |
| 593 | ␉␉␉␉␉␉␉␉p_states[i].Frequency = (uint32_t)(frequency + (half * halffsb)) >> dfsb;␉// = 3200 + 200 = 3400␊ |
| 594 | ␉␉␉␉␉␉␉}␊ |
| 595 | ␊ |
| 596 | ␉␉␉␉␉␉␉p_states_count -= invalid;␊ |
| 597 | ␉␉␉␉␉␉}␊ |
| 598 | ␊ |
| 599 | ␉␉␉␉␉␉break;␊ |
| 600 | ␉␉␉␉␉}␊ |
| 601 | ␉␉␉␉␉case CPUID_MODEL_FIELDS:␉␉// Intel Core i5, i7, Xeon X34xx LGA1156 (45nm)␊ |
| 602 | ␉␉␉␉␉case CPUID_MODEL_DALES:␉␉␊ |
| 603 | ␉␉␉␉␉case CPUID_MODEL_DALES_32NM:␉// Intel Core i3, i5 LGA1156 (32nm)␊ |
| 604 | ␉␉␉␉␉case CPUID_MODEL_NEHALEM:␉␉// Intel Core i7, Xeon W35xx, Xeon X55xx, Xeon E55xx LGA1366 (45nm)␊ |
| 605 | ␉␉␉␉␉case CPUID_MODEL_NEHALEM_EX:␉// Intel Xeon X75xx, Xeon X65xx, Xeon E75xx, Xeon E65xx␊ |
| 606 | ␉␉␉␉␉case CPUID_MODEL_WESTMERE:␉// Intel Core i7, Xeon X56xx, Xeon E56xx, Xeon W36xx LGA1366 (32nm) 6 Core␊ |
| 607 | ␉␉␉␉␉case CPUID_MODEL_WESTMERE_EX:␉// Intel Xeon E7␊ |
| 608 | ␉␉␉␉␉case CPUID_MODEL_SANDYBRIDGE:␉// Intel Core i3, i5, i7 LGA1155 (32nm)␊ |
| 609 | ␉␉␉␉␉case CPUID_MODEL_JAKETOWN:// Intel Core i7, Xeon E5 LGA2011 (32nm)␊ |
| 610 | ␉␉␉␉␉case CPUID_MODEL_IVYBRIDGE:␉// Intel Core i3, i5, i7 LGA1155 (22nm)␊ |
| 611 | ␉␉␉␉␉case CPUID_MODEL_HASWELL:␉//␊ |
| 612 | ␉␉␉␉␉case CPUID_MODEL_IVYBRIDGE_XEON: //␊ |
| 613 | ␉␉␉␉␉//case CPUID_MODEL_HASWELL_H:␉//␊ |
| 614 | ␉␉␉␉␉case CPUID_MODEL_HASWELL_SVR:␉//␊ |
| 615 | ␉␉␉␉␉case CPUID_MODEL_HASWELL_ULT:␉//␊ |
| 616 | ␉␉␉␉␉case CPUID_MODEL_CRYSTALWELL:␉//␊ |
| 617 | ␊ |
| 618 | ␉␉␉␉␉{␊ |
| 619 | ␉␉␉␉␉if ((Platform.CPU.Model == CPUID_MODEL_SANDYBRIDGE) || (Platform.CPU.Model == CPUID_MODEL_JAKETOWN) ||␊ |
| 620 | ␉␉␉␉␉␉(Platform.CPU.Model == CPUID_MODEL_IVYBRIDGE) || (Platform.CPU.Model == CPUID_MODEL_HASWELL) ||␊ |
| 621 | ␉␉␉␉␉␉(Platform.CPU.Model == CPUID_MODEL_IVYBRIDGE_XEON) || (Platform.CPU.Model == CPUID_MODEL_HASWELL_SVR) ||␊ |
| 622 | ␉␉␉␉␉␉(Platform.CPU.Model == CPUID_MODEL_HASWELL_ULT) || (Platform.CPU.Model == CPUID_MODEL_CRYSTALWELL))␊ |
| 623 | ␉␉␉␉␉{␊ |
| 624 | ␉␉␉␉␉␉maximum.Control = (rdmsr64(MSR_IA32_PERF_STATUS) >> 8) & 0xff;␊ |
| 625 | ␉␉␉␉␉} else {␊ |
| 626 | ␉␉␉␉␉␉maximum.Control = rdmsr64(MSR_IA32_PERF_STATUS) & 0xff;␊ |
| 627 | ␉␉␉␉␉}␊ |
| 628 | ␊ |
| 629 | ␉␉␉␉␉minimum.Control = (rdmsr64(MSR_PLATFORM_INFO) >> 40) & 0xff;␊ |
| 630 | ␊ |
| 631 | ␉␉␉␉␉␉verbose("ACPIpatcher: P-States: min=0x%X, max=0x%X.", minimum.Control, maximum.Control);␊ |
| 632 | ␊ |
| 633 | ␉␉␉␉␉␉// Sanity check␊ |
| 634 | ␉␉␉␉␉␉if (maximum.Control < minimum.Control) {␊ |
| 635 | ␉␉␉␉␉␉␉verbose(" Insane control values!\n");␊ |
| 636 | ␉␉␉␉␉␉␉p_states_count = 0;␊ |
| 637 | ␉␉␉␉␉␉} else {␊ |
| 638 | ␉␉␉␉␉␉␉uint8_t i;␊ |
| 639 | ␉␉␉␉␉␉␉p_states_count = 0;␊ |
| 640 | ␊ |
| 641 | ␉␉␉␉␉␉␉for (i = maximum.Control; i >= minimum.Control; i--) {␊ |
| 642 | ␉␉␉␉␉␉␉␉p_states[p_states_count].Control = i;␊ |
| 643 | ␉␉␉␉␉␉␉␉p_states[p_states_count].CID = p_states[p_states_count].Control << 1;␊ |
| 644 | ␉␉␉␉␉␉␉␉p_states[p_states_count].Frequency = (Platform.CPU.FSBFrequency / 1000000) * i;␊ |
| 645 | ␉␉␉␉␉␉␉␉p_states_count++;␊ |
| 646 | ␉␉␉␉␉␉␉}␊ |
| 647 | verbose("\n");␊ |
| 648 | ␉␉␉␉␉␉}␊ |
| 649 | ␊ |
| 650 | ␉␉␉␉␉␉break;␊ |
| 651 | ␉␉␉␉␉}␊ |
| 652 | ␉␉␉␉␉default:␊ |
| 653 | ␉␉␉␉␉␉verbose("ACPIpatcher: unsupported CPU (0x%X): P-States not generated !!!\n", Platform.CPU.Family);␊ |
| 654 | ␉␉␉␉␉␉break;␊ |
| 655 | ␉␉␉␉}␊ |
| 656 | ␉␉␉}␊ |
| 657 | ␉␉}␊ |
| 658 | ␊ |
| 659 | ␉␉// Generating SSDT␊ |
| 660 | ␉␉if (p_states_count > 0) {␊ |
| 661 | ␉␉␉int i;␊ |
| 662 | ␊ |
| 663 | ␉␉␉AML_CHUNK* root = aml_create_node(NULL);␊ |
| 664 | ␉␉␉␉aml_add_buffer(root, ssdt_header, sizeof(ssdt_header)); // SSDT header␊ |
| 665 | ␉␉␉␉␉AML_CHUNK* scop = aml_add_scope(root, "\\_PR_");␊ |
| 666 | ␉␉␉␉␉␉AML_CHUNK* name = aml_add_name(scop, "PSS_");␊ |
| 667 | ␉␉␉␉␉␉␉AML_CHUNK* pack = aml_add_package(name);␊ |
| 668 | ␊ |
| 669 | ␉␉␉␉␉␉␉␉for (i = 0; i < p_states_count; i++) {␊ |
| 670 | ␉␉␉␉␉␉␉␉␉AML_CHUNK* pstt = aml_add_package(pack);␊ |
| 671 | ␊ |
| 672 | ␉␉␉␉␉␉␉␉␉aml_add_dword(pstt, p_states[i].Frequency);␊ |
| 673 | ␉␉␉␉␉␉␉␉␉aml_add_dword(pstt, 0x00000000); // Power␊ |
| 674 | ␉␉␉␉␉␉␉␉␉aml_add_dword(pstt, 0x0000000A); // Latency␊ |
| 675 | ␉␉␉␉␉␉␉␉␉aml_add_dword(pstt, 0x0000000A); // Latency␊ |
| 676 | ␉␉␉␉␉␉␉␉␉aml_add_dword(pstt, p_states[i].Control);␊ |
| 677 | ␉␉␉␉␉␉␉␉␉aml_add_dword(pstt, i+1); // Status␊ |
| 678 | ␉␉␉␉␉␉␉␉}␊ |
| 679 | ␊ |
| 680 | ␉␉␉// Add aliaces␊ |
| 681 | ␉␉␉for (i = 0; i < acpi_cpu_count; i++) {␊ |
| 682 | ␉␉␉␉char name[9];␊ |
| 683 | ␉␉␉␉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]);␊ |
| 684 | ␊ |
| 685 | ␉␉␉␉scop = aml_add_scope(root, name);␊ |
| 686 | ␉␉␉␉aml_add_alias(scop, "PSS_", "_PSS");␊ |
| 687 | ␉␉␉}␊ |
| 688 | ␊ |
| 689 | ␉␉␉aml_calculate_size(root);␊ |
| 690 | ␊ |
| 691 | ␉␉␉struct acpi_2_ssdt *ssdt = (struct acpi_2_ssdt *)AllocateKernelMemory(root->Size);␊ |
| 692 | ␊ |
| 693 | ␉␉␉aml_write_node(root, (void*)ssdt, 0);␊ |
| 694 | ␊ |
| 695 | ␉␉␉ssdt->Length = root->Size;␊ |
| 696 | ␉␉␉ssdt->Checksum = 0;␊ |
| 697 | ␉␉␉ssdt->Checksum = 256 - (uint8_t)(checksum8(ssdt, ssdt->Length));␊ |
| 698 | ␊ |
| 699 | ␉␉␉aml_destroy_node(root);␊ |
| 700 | ␊ |
| 701 | ␉␉␉//dumpPhysAddr("P-States SSDT content: ", ssdt, ssdt->Length);␊ |
| 702 | ␊ |
| 703 | ␉␉␉verbose("ACPIpatcher: SSDT with CPU P-States generated successfully\n");␊ |
| 704 | ␊ |
| 705 | ␉␉␉return ssdt;␊ |
| 706 | ␉␉}␊ |
| 707 | ␉} else {␊ |
| 708 | ␉␉verbose("ACPIpatcher: ACPI CPUs not found: P-States not generated!\n");␊ |
| 709 | ␉}␊ |
| 710 | ␊ |
| 711 | ␉return NULL;␊ |
| 712 | }␊ |
| 713 | ***/␊ |
| 714 | struct acpi_2_fadt *patch_fadt(struct acpi_2_fadt *fadt, struct acpi_2_dsdt *new_dsdt)␊ |
| 715 | {␊ |
| 716 | ␉// extern void setupSystemType();␊ |
| 717 | ␊ |
| 718 | ␉struct acpi_2_fadt *fadt_mod = NULL;␊ |
| 719 | ␉bool fadt_rev2_needed = false;␊ |
| 720 | ␉bool fix_restart = false;␊ |
| 721 | ␉bool fix_restart_ps2 = false;␊ |
| 722 | ␉int value = 1;␊ |
| 723 | static bool ver_20 = false;␊ |
| 724 | ␊ |
| 725 | ␉// Restart Fix␊ |
| 726 | ␉if (Platform.CPU.Vendor == CPUID_VENDOR_INTEL) { // Intel=0x756E6547␊ |
| 727 | ␉␉fix_restart = true;␊ |
| 728 | ␉␉fix_restart_ps2 = false;␊ |
| 729 | ␉␉if ( getBoolForKey(kPS2RestartFix, &fix_restart_ps2, &bootInfo->chameleonConfig) && fix_restart_ps2) {␊ |
| 730 | ␉␉␉fix_restart = true;␊ |
| 731 | ␉␉} else {␊ |
| 732 | ␉␉␉getBoolForKey(kRestartFix, &fix_restart, &bootInfo->chameleonConfig);␊ |
| 733 | ␉␉}␊ |
| 734 | ␉} else {␊ |
| 735 | ␉␉verbose("\tNot an Intel platform, FACP Restart Fix will not be applied!\n");␊ |
| 736 | ␉␉fix_restart = false;␊ |
| 737 | ␉}␊ |
| 738 | ␊ |
| 739 | ␉if (fix_restart) {␊ |
| 740 | ␉␉fadt_rev2_needed = true;␊ |
| 741 | ␉}␊ |
| 742 | ␊ |
| 743 | ␉// Allocate new fadt table␊ |
| 744 | ␉if ((fadt->Length < 0x84) && fadt_rev2_needed)␊ |
| 745 | ␉{␊ |
| 746 | ␉␉fadt_mod = (struct acpi_2_fadt *)AllocateKernelMemory(0x84);␊ |
| 747 | ␉␉memcpy(fadt_mod, fadt, fadt->Length);␊ |
| 748 | ␉␉fadt_mod->Length = 0x84;␊ |
| 749 | ␉␉fadt_mod->Revision = 0x02; // FACP rev 2 (ACPI 1.0B MS extensions)␊ |
| 750 | ␉} else {␊ |
| 751 | ␉␉fadt_mod = (struct acpi_2_fadt *)AllocateKernelMemory(fadt->Length);␊ |
| 752 | ␉␉memcpy(fadt_mod, fadt, fadt->Length);␊ |
| 753 | ␉}␊ |
| 754 | verbose("\tNew FACP loaded @%08X, length=%d\n", (uint32_t)fadt_mod, fadt_mod->Length);␊ |
| 755 | ␊ |
| 756 | ␉// Bungo: Determine PM Profile␊ |
| 757 | ␉verbose("\tPM Profile=0x%02X", fadt_mod->PM_Profile);␊ |
| 758 | ␉if (getIntForKey(kSystemType, &value, &bootInfo->chameleonConfig)) {␊ |
| 759 | ␉␉verbose(", overriding with: 0x%02X.\n", (uint8_t)value);␊ |
| 760 | ␉␉fadt_mod->PM_Profile = (uint8_t)value; // user has overriden the PM Profile so take care of it in FACP␊ |
| 761 | ␉} else {␊ |
| 762 | switch (fadt_mod->PM_Profile) { // check if PM Profile is correct (1..3)␊ |
| 763 | case 1:␊ |
| 764 | case 2:␊ |
| 765 | case 3:␊ |
| 766 | verbose(": using.\n");␊ |
| 767 | break;␊ |
| 768 | default:␊ |
| 769 | // use SMBIOS chassisType to determine PM Profile (saved previously for us)␊ |
| 770 | verbose(", expected value: 1, 2 or 3, setting to 0x%02X.\n", Platform.Type);␊ |
| 771 | fadt_mod->PM_Profile = Platform.Type; // take care of modified FACP's PM Profile entry␊ |
| 772 | break;␊ |
| 773 | }␊ |
| 774 | }␊ |
| 775 | ␉Platform.Type = fadt_mod->PM_Profile; // Save fixed PM Profile (system-type)␊ |
| 776 | ␊ |
| 777 | /* Bungo: Moved into fake_efi.c␊ |
| 778 | // Setup system-type: We now have to write the systemm-type in ioregs: we cannot do it before in setupDeviceTree()␊ |
| 779 | ␉// because we need to take care of FACP original content, if it is correct.␊ |
| 780 | ␉setupSystemType();␊ |
| 781 | */␊ |
| 782 | ␉// Patch FACP to fix restart␊ |
| 783 | ␉if (fix_restart) {␊ |
| 784 | ␉␉if (fix_restart_ps2) {␊ |
| 785 | ␉␉␉fadt_mod->Flags|= 0x400; // Reset register supported␊ |
| 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␉␉= 0x64; // Address of the register␊ |
| 791 | ␉␉␉fadt_mod->Reset_Value␉␉= 0xfe; // Value to write to reset the system␊ |
| 792 | ␉␉␉verbose("\tFACP PS2 Restart Fix applied!\n");␊ |
| 793 | ␉␉} else {␊ |
| 794 | ␉␉␉fadt_mod->Flags|= 0x400; // Reset register supported␊ |
| 795 | ␉␉␉fadt_mod->Reset_SpaceID␉␉= 0x01; // System I/O␊ |
| 796 | ␉␉␉fadt_mod->Reset_BitWidth␉= 0x08; // 1 byte␊ |
| 797 | ␉␉␉fadt_mod->Reset_BitOffset␉= 0x00; // Offset 0␊ |
| 798 | ␉␉␉fadt_mod->Reset_AccessWidth␉= 0x01; // Byte access␊ |
| 799 | ␉␉␉fadt_mod->Reset_Address␉␉= 0x0cf9; // Address of the register␊ |
| 800 | ␉␉␉fadt_mod->Reset_Value␉␉= 0x06; // Value to write to reset the system␊ |
| 801 | ␉␉␉verbose("\tFACP Restart Fix applied!\n");␊ |
| 802 | ␉␉}␊ |
| 803 | ␉} else {␊ |
| 804 | //verbose("\tRestart Fix: No.\n");␊ |
| 805 | }␊ |
| 806 | ␊ |
| 807 | // Bungo: FACS table fix and load␊ |
| 808 | verbose("\tOEM table FACS@%08X, length=%d: ", fadt_mod->FACS, ((struct acpi_2_facs *)fadt_mod->FACS)->Length);␊ |
| 809 | if ((fadt_mod->FACS > 0) && (fadt_mod->FACS < 0xFFFFFFFF) && (((struct acpi_2_facs *)fadt_mod->FACS)->Length >= 64)) {␊ |
| 810 | verbose("using.\n");␊ |
| 811 | } else {␊ |
| 812 | verbose(" incorrect!\n");␊ |
| 813 | }␊ |
| 814 | if (ver_20 && (((uint32_t)(&(fadt_mod->X_FACS)) - (uint32_t)fadt_mod + 8) <= fadt_mod->Length)) {␊ |
| 815 | verbose("\tOEM table X_FACS@%08X%08X, length=%d: ", (uint32_t)(fadt_mod->X_FACS >> 32), (uint32_t)(fadt_mod->X_FACS & 0xFFFFFFFF), ((struct acpi_2_facs *)fadt_mod->X_FACS)->Length);␊ |
| 816 | if (fadt_mod->FACS != fadt_mod->X_FACS) {␊ |
| 817 | verbose("differes from FACS - fixing");␊ |
| 818 | if ((fadt_mod->X_FACS > 0) && (fadt_mod->X_FACS < 0xFFFFFFFF) && (((struct acpi_2_facs *)(uint32_t)fadt_mod->X_FACS)->Length >= 64)) {␊ |
| 819 | // Bungo: in my case only from X_FACS loading correct table (64 bytes) into IOReg␊ |
| 820 | fadt_mod->FACS = (uint32_t)fadt_mod->X_FACS;␊ |
| 821 | } else {␊ |
| 822 | fadt_mod->X_FACS = (uint64_t)fadt_mod->FACS;␊ |
| 823 | }␊ |
| 824 | verbose(" \tUsing FACS@%08X = X_FACS@%08X\n", fadt_mod->FACS, (uint32_t)fadt_mod->X_FACS);␊ |
| 825 | } else {␊ |
| 826 | verbose("using.\n");␊ |
| 827 | }␊ |
| 828 | }␊ |
| 829 | ␊ |
| 830 | // Bungo: Save Hardware Signature (machine-signature)␊ |
| 831 | if ((fadt_mod->FACS > 0) && (fadt_mod->FACS < 0xFFFFFFFF) && (((struct acpi_2_facs *)fadt_mod->FACS)->Length >= 64)) {␊ |
| 832 | Platform.HWSignature = ((struct acpi_2_facs *)fadt_mod->FACS)->HWSignature;␊ |
| 833 | verbose("\tHardware Signature=0x%08X: using.\n", Platform.HWSignature);␊ |
| 834 | } else {␊ |
| 835 | Platform.HWSignature = 0;␊ |
| 836 | verbose("\tFixing Hardware Signature=0x%08X.\n", Platform.HWSignature);␊ |
| 837 | }␊ |
| 838 | ␉␊ |
| 839 | verbose("\tOEM table DSDT@%08X, length=%d: %susing.\n", fadt_mod->DSDT, ((struct acpi_2_dsdt *)fadt_mod->DSDT)->Length, new_dsdt ? "not " : "");␊ |
| 840 | if (ver_20 && (((uint32_t)(&(fadt_mod->X_DSDT)) - (uint32_t)fadt_mod + 8) <= fadt_mod->Length)) {␊ |
| 841 | verbose("\tOEM table X_DSDT@%08X%08X, length=%d: %susing.\n", (uint32_t)(fadt_mod->X_DSDT >> 32), (uint32_t)(fadt_mod->X_DSDT & 0xFFFFFFFF), ((struct acpi_2_dsdt *)fadt_mod->X_DSDT)->Length, new_dsdt ? "not " : "");␊ |
| 842 | }␊ |
| 843 | ␉// Patch DSDT address if we have loaded DSDT.aml␊ |
| 844 | ␉if (new_dsdt) {␊ |
| 845 | fadt_mod->DSDT = (uint32_t)new_dsdt;␊ |
| 846 | verbose("\tFACP uses custom DSDT@%08X", fadt_mod->DSDT);␊ |
| 847 | ␉␉if (ver_20 && (((uint32_t)(&(fadt_mod->X_DSDT)) - (uint32_t)fadt_mod + 8) <= fadt_mod->Length)) {␊ |
| 848 | ␉␉␉fadt_mod->X_DSDT = (uint64_t)new_dsdt;␊ |
| 849 | verbose(" / X_DSDT@%08X%08X", (uint32_t)(fadt_mod->X_DSDT >> 32), (uint32_t)(fadt_mod->X_DSDT & 0xFFFFFFFF));␊ |
| 850 | ␉␉}␊ |
| 851 | verbose(", length=%d\n", ((struct acpi_2_dsdt *)fadt_mod->DSDT)->Length);␊ |
| 852 | ␉}␊ |
| 853 | ␊ |
| 854 | ␉// Correct the checksum␊ |
| 855 | ␉fadt_mod->Checksum=0;␊ |
| 856 | ␉fadt_mod->Checksum=256-checksum8(fadt_mod, fadt_mod->Length);␊ |
| 857 | ␊ |
| 858 | ver_20 = TRUE;␊ |
| 859 | ␉return fadt_mod;␊ |
| 860 | }␊ |
| 861 | // Bung: Unused␊ |
| 862 | /* Setup ACPI without replacing DSDT.␊ |
| 863 | int setupAcpiNoMod()␊ |
| 864 | {␊ |
| 865 | //␉addConfigurationTable(&gEfiAcpiTableGuid, getAddressOfAcpiTable(), "ACPI");␊ |
| 866 | //␉addConfigurationTable(&gEfiAcpi20TableGuid, getAddressOfAcpi20Table(), "ACPI_20");␊ |
| 867 | ␉// XXX aserebln why uint32 cast if pointer is uint64 ?␊ |
| 868 | ␉acpi10_p = (uint64_t)(uint32_t)getAddressOfAcpiTable();␊ |
| 869 | ␉acpi20_p = (uint64_t)(uint32_t)getAddressOfAcpi20Table();␊ |
| 870 | ␉// addConfigurationTable(&gEfiAcpiTableGuid, &acpi10_p, "ACPI");␊ |
| 871 | ␉if(acpi20_p) {␊ |
| 872 | ␉␉// addConfigurationTable(&gEfiAcpi20TableGuid, &acpi20_p, "ACPI_20");␊ |
| 873 | ␉} else {␊ |
| 874 | ␉␉DBG("ACPIpatcher: version 2.0 not found.\n");␊ |
| 875 | ␉}␊ |
| 876 | ␉return 1;␊ |
| 877 | }␊ |
| 878 | */␊ |
| 879 | /* Setup ACPI. Replace DSDT if DSDT.aml is found */␊ |
| 880 | int setupAcpi(void)␊ |
| 881 | {␊ |
| 882 | ␉int version;␊ |
| 883 | ␉const char *filename;␊ |
| 884 | ␉char dirSpec[512];␊ |
| 885 | ␉int len = 0;␊ |
| 886 | ␊ |
| 887 | ␉// always reset cpu count to 0 when injecting new acpi␊ |
| 888 | ␉acpi_cpu_count = 0;␊ |
| 889 | ␊ |
| 890 | verbose("\nACPIpatcher: Start patching...\n");␊ |
| 891 | ␊ |
| 892 | if (new_dsdt != NULL) {␊ |
| 893 | verbose("ACPIpatcher: custom table DSDT already loaded @%08X, length=%d: using.\n", new_dsdt, ((struct acpi_2_header *)new_dsdt)->Length);␊ |
| 894 | } else {␊ |
| 895 | // Try using the file specified with the DSDT option␊ |
| 896 | if (getValueForKey(kDSDT, &filename, &len, &bootInfo->chameleonConfig) && len) {␊ |
| 897 | snprintf(dirSpec, sizeof(dirSpec), filename);␊ |
| 898 | } else {␊ |
| 899 | sprintf(dirSpec, "DSDT.aml");␊ |
| 900 | }␊ |
| 901 | ␊ |
| 902 | verbose("ACPIpatcher: attempting to load custom table DSDT...\n", dirSpec);␊ |
| 903 | if ((new_dsdt = loadACPITable(dirSpec))) {␊ |
| 904 | verbose("ACPIpatcher: custom table DSDT loaded @%08X, length=%d.\n", new_dsdt, ((struct acpi_2_header *)new_dsdt)->Length);␊ |
| 905 | } else {␊ |
| 906 | //verbose("ACPIpatcher: custom DSDT not found!.\n");␊ |
| 907 | }␊ |
| 908 | }␊ |
| 909 | ␊ |
| 910 | ␉/* Try using the file specified with the DSDT option␊ |
| 911 | ␉if (getValueForKey(kDSDT, &filename, &len, &bootInfo->chameleonConfig)) {␊ |
| 912 | ␉␉snprintf(dirSpec, sizeof(dirSpec), filename);␊ |
| 913 | ␉} else {␊ |
| 914 | ␉␉sprintf(dirSpec, "DSDT.aml");␊ |
| 915 | ␉␉//DBG("dirSpec, DSDT.aml");␊ |
| 916 | ␉}␊ |
| 917 | ␉// Load replacement DSDT␊ |
| 918 | ␉new_dsdt = loadACPITable(dirSpec);␊ |
| 919 | */␊ |
| 920 | ␊ |
| 921 | // Load ECDT table␊ |
| 922 | if (new_ecdt != NULL) {␊ |
| 923 | verbose("ACPIpatcher: custom table ECDT already loaded @%08X, length=%d: using.\n", new_ecdt, ((struct acpi_2_header *)new_ecdt)->Length);␊ |
| 924 | } else {␊ |
| 925 | sprintf(dirSpec, "ECDT.aml");␊ |
| 926 | filename = "ECDT.aml";␊ |
| 927 | verbose("ACPIpatcher: attempting to load custom table ECDT...\n");␊ |
| 928 | if ((new_ecdt = loadACPITable(filename))) {␊ |
| 929 | verbose("ACPIpatcher: custom table ECDT loaded @%08X, length=%d.\n", new_ecdt, ((struct acpi_2_header *)new_ecdt)->Length);␊ |
| 930 | } else {␊ |
| 931 | //verbose("ACPIpatcher: custom ECDT not found!.\n");␊ |
| 932 | }␊ |
| 933 | }␊ |
| 934 | ␊ |
| 935 | // Mozodojo: Load additional SSDTs␊ |
| 936 | ␉struct acpi_2_ssdt *new_ssdt[32]; // 26 custom + 4 subssdt + 2 for pss & cst␊ |
| 937 | ␉int ssdtotal_number = 0;␊ |
| 938 | ␉{␊ |
| 939 | ␉␉int i;␊ |
| 940 | ␉␉for (i = 0; i < 26; i++) {␊ |
| 941 | ␉␉␉//char filename[512];␊ |
| 942 | ␊ |
| 943 | ␉␉␉sprintf(dirSpec, (i > 0)? "SSDT-%d.aml":"SSDT.aml", i);␊ |
| 944 | ␊ |
| 945 | ␉␉␉if ((new_ssdt[ssdtotal_number] = loadACPITable(dirSpec))) {␊ |
| 946 | verbose("ACPIpatcher: custom table %s loaded @%08X, length=%d\n", dirSpec, new_ssdt[ssdtotal_number], new_ssdt[ssdtotal_number]->Length);␊ |
| 947 | ssdtotal_number++;␊ |
| 948 | ␉␉␉} else {␊ |
| 949 | //verbose("ACPIpatcher: custom table '%s' not found.\n", filename);␊ |
| 950 | // Bungo: load up to 26 custom tables enabled now␊ |
| 951 | ␉␉␉␉//break;␊ |
| 952 | ␉␉␉}␊ |
| 953 | ␉␉}␊ |
| 954 | ␉}␊ |
| 955 | ␊ |
| 956 | ␉// Mozodojo: going to patch FACP and load SSDTs even if DSDT.aml is not present␊ |
| 957 | ␉/*if (!new_dsdt)␊ |
| 958 | ␉ {␊ |
| 959 | ␉ return setupAcpiNoMod();␊ |
| 960 | ␉ }*/␊ |
| 961 | ␊ |
| 962 | ␉// SSDT options␊ |
| 963 | ␉bool drop_ssdt = false, generate_pstates = false, generate_cstates = false;␊ |
| 964 | ␊ |
| 965 | ␉getBoolForKey(kDropSSDT, &drop_ssdt, &bootInfo->chameleonConfig);␊ |
| 966 | ␉getBoolForKey(kGeneratePStates, &generate_pstates, &bootInfo->chameleonConfig);␊ |
| 967 | ␉getBoolForKey(kGenerateCStates, &generate_cstates, &bootInfo->chameleonConfig);␊ |
| 968 | verbose("ACPIpatcher: drop SSDT tables: %s.\n", drop_ssdt ? "Yes" : "No");␊ |
| 969 | ␉verbose("ACPIpatcher: generate P-States: %s.\n", generate_pstates ? "Yes" : "No");␊ |
| 970 | ␉verbose("ACPIpatcher: generate C-States: %s.\n", generate_cstates ? "Yes" : "No");␊ |
| 971 | ␊ |
| 972 | bool getSubSSDT = !generate_pstates && !generate_cstates;␊ |
| 973 | ␊ |
| 974 | ␉// Do the same procedure for both versions of ACPI␊ |
| 975 | ␉for (version = 0; version < 2; version++) {␊ |
| 976 | ␉␉struct acpi_2_rsdp *rsdp, *rsdp_mod;␊ |
| 977 | ␉␉struct acpi_2_rsdt *rsdt, *rsdt_mod;␊ |
| 978 | struct acpi_2_xsdt *xsdt, *xsdt_mod;␊ |
| 979 | struct acpi_2_fadt *fadt_mod;␊ |
| 980 | uint32_t *rsdt_entries;␊ |
| 981 | uint64_t *xsdt_entries;␊ |
| 982 | ␊ |
| 983 | ␉␉// Find original rsdp␊ |
| 984 | ␉␉rsdp = (struct acpi_2_rsdp *)(version ? getAddressOfAcpi20Table() : getAddressOfAcpiTable());␊ |
| 985 | ␉␉if (!rsdp) {␊ |
| 986 | /*␊ |
| 987 | ␉␉␉if (version) {␊ |
| 988 | ␉␉␉␉addConfigurationTable(&gEfiAcpi20TableGuid, NULL, "ACPI_20");␊ |
| 989 | ␉␉␉} else {␊ |
| 990 | ␉␉␉␉addConfigurationTable(&gEfiAcpiTableGuid, NULL, "ACPI");␊ |
| 991 | ␉␉␉}␊ |
| 992 | */␊ |
| 993 | verbose("ACPIpatcher: ACPI version %d.0 not found. Not patching.\n", version + 1);␊ |
| 994 | ␉␉␉continue;␊ |
| 995 | ␉␉}␊ |
| 996 | ␊ |
| 997 | int rsdplength = version ? rsdp->Length : 20;␊ |
| 998 | ␉␉int l = version ? 20 : 0;␊ |
| 999 | ␉␉verbose("ACPIpatcher: OEM table RSDP@%08X, length=%d. ACPI version %d.0: patching.\n", rsdp, rsdplength, version + 1);␊ |
| 1000 | ␊ |
| 1001 | ␉␉/* FIXME: no check that memory allocation succeeded ␊ |
| 1002 | ␉␉ * Copy and patch RSDP, RSDT, XSDT and FADT␊ |
| 1003 | ␉␉ * For more info see ACPI Specification pages 110 and following␊ |
| 1004 | ␉␉ */␊ |
| 1005 | ␊ |
| 1006 | ␉␉rsdp_mod = (struct acpi_2_rsdp *)(l + AllocateKernelMemory(l + rsdplength));␊ |
| 1007 | ␉␉memcpy(rsdp_mod, rsdp, rsdplength);␊ |
| 1008 | ␊ |
| 1009 | ␉␉rsdt = (struct acpi_2_rsdt *)rsdp->RsdtAddress;␊ |
| 1010 | ␉␉verbose("ACPIpatcher: OEM table RSDT@%08X, length=%d: ", rsdp->RsdtAddress, rsdt->Length);␊ |
| 1011 | ␉␉␊ |
| 1012 | ␉␉if ((rsdp->RsdtAddress > 0) && (rsdp->RsdtAddress < 0xFFFFFFFF) && (rsdt->Length < 0x10000)) {␊ |
| 1013 | verbose("using.\n");␊ |
| 1014 | ␉␉␉int rsdt_entries_num;␊ |
| 1015 | ␉␉␉int dropoffset = 0, i, j;␊ |
| 1016 | ␊ |
| 1017 | ␉␉␉// mozo: using malloc cos I didn't found how to free already allocated kernel memory␊ |
| 1018 | ␉␉␉rsdt_mod = (struct acpi_2_rsdt *)malloc(rsdt->Length);␊ |
| 1019 | ␉␉␉memcpy(rsdt_mod, rsdt, rsdt->Length);␊ |
| 1020 | ␉␉␉rsdp_mod->RsdtAddress = (uint32_t)rsdt_mod;␊ |
| 1021 | ␉␉␉rsdt_entries_num = (rsdt_mod->Length - sizeof(struct acpi_2_rsdt)) / 4;␊ |
| 1022 | ␉␉␉rsdt_entries = (uint32_t *)(rsdt_mod + 1);␊ |
| 1023 | ␊ |
| 1024 | ␉␉␉for (i = 0; i < rsdt_entries_num; i++) {␊ |
| 1025 | struct acpi_2_header *oemTable = (struct acpi_2_header *)rsdt_entries[i];␊ |
| 1026 | verbose("ACPIpatcher: OEM table %c%c%c%c@%08X, length=%d: ", oemTable->Signature[0], oemTable->Signature[1], oemTable->Signature[2], oemTable->Signature[3], oemTable, oemTable->Length);␊ |
| 1027 | ␊ |
| 1028 | ␉␉␉␉if (!(rsdt_entries[i] > 0) || !(rsdt_entries[i] < 0xFFFFFFFF)) {␊ |
| 1029 | verbose("incorrect! Dropping.\n");␊ |
| 1030 | dropoffset++;␊ |
| 1031 | continue;␊ |
| 1032 | ␉␉␉␉}␊ |
| 1033 | ␊ |
| 1034 | ␉␉␉␉if (tableSign(oemTable, "SSDT")) {␊ |
| 1035 | if (drop_ssdt) {␊ |
| 1036 | verbose("dropping.\n");␊ |
| 1037 | dropoffset++;␊ |
| 1038 | } else {␊ |
| 1039 | verbose("using.\n");␊ |
| 1040 | rsdt_entries[i-dropoffset] = rsdt_entries[i];␊ |
| 1041 | // get rest of ssdt tables from inside ssdt_pmref␊ |
| 1042 | if (getSubSSDT) { // prevent from extracting originals if user choosed generatind PSS and/or CSS tables␊ |
| 1043 | struct ssdt_pmref *subSSDT = (struct ssdt_pmref *)(rsdt_entries[i] + sizeof(struct acpi_2_header) + 15);␊ |
| 1044 | uint8_t tabNum = *((uint8_t *)subSSDT - 2) / 3; // e.g Name (SSDT, Package (0x0C) -> 0x0C / 3 = number of sub SSDTs␊ |
| 1045 | for (j = 0; (j < tabNum) && (ssdtotal_number < 30); j++) {␊ |
| 1046 | verbose("ACPIpatcher: OEM table SSDT_%s@%08X, length=%d: ", ((struct acpi_2_ssdt *)subSSDT[j].addr)->OEMTableId, subSSDT[j].addr, ((struct acpi_2_ssdt *)subSSDT[j].addr)->Length);␊ |
| 1047 | if (!(subSSDT[j].addr > 0) || !(subSSDT[j].addr < 0xFFFFFFFF)) {␊ |
| 1048 | verbose("incorrect! Dropping.\n");␊ |
| 1049 | continue;␊ |
| 1050 | }␊ |
| 1051 | verbose("using.\n");␊ |
| 1052 | new_ssdt[ssdtotal_number] = (struct acpi_2_ssdt *)subSSDT[j].addr;␊ |
| 1053 | ssdtotal_number++;␊ |
| 1054 | }␊ |
| 1055 | }␊ |
| 1056 | }␊ |
| 1057 | continue;␊ |
| 1058 | ␉␉␉␉}␊ |
| 1059 | ␊ |
| 1060 | /* Bungo: According to ACPI Spec. no DSDT in RSDT, so what this for?␊ |
| 1061 | ␊ |
| 1062 | if (tableSign(oemTable, "DSDT")) {␊ |
| 1063 | ␉␉␉␉␉if (new_dsdt) {␊ |
| 1064 | ␉␉␉␉␉␉rsdt_entries[i-dropoffset] = (uint32_t)new_dsdt;␊ |
| 1065 | ␉␉␉␉␉␉verbose("custom table added.\n");␊ |
| 1066 | ␉␉␉␉␉}␊ |
| 1067 | ␉␉␉␉␉continue;␊ |
| 1068 | ␉␉␉␉}␊ |
| 1069 | ␊ |
| 1070 | So, suggest to drop, it should be in FACP */␊ |
| 1071 | ␊ |
| 1072 | if (tableSign(oemTable, "DSDT")) {␊ |
| 1073 | verbose("dropping.\n");␊ |
| 1074 | dropoffset++;␊ |
| 1075 | continue;␊ |
| 1076 | ␉␉␉␉}␊ |
| 1077 | ␊ |
| 1078 | if (tableSign(oemTable, "ECDT") && new_ecdt) {␊ |
| 1079 | verbose("dropping.\n");␊ |
| 1080 | dropoffset++;␊ |
| 1081 | continue;␊ |
| 1082 | ␉␉␉␉}␊ |
| 1083 | ␊ |
| 1084 | ␉␉␉␉if (tableSign(oemTable, "FACP")) {␊ |
| 1085 | ␉␉␉␉␉if (oemTable->Length > 0x10000) {␊ |
| 1086 | ␉␉␉␉␉␉verbose("incorrect. Not modifying.\n");␊ |
| 1087 | ␉␉␉␉␉␉continue;␊ |
| 1088 | ␉␉␉␉␉}␊ |
| 1089 | ␊ |
| 1090 | ␉␉␉␉␉verbose("patching.\n");␊ |
| 1091 | ␉␉␉␉␉fadt_mod = patch_fadt((struct acpi_2_fadt *)oemTable, new_dsdt);␊ |
| 1092 | ␉␉␉␉␉rsdt_entries[i-dropoffset] = (uint32_t)fadt_mod;␊ |
| 1093 | ␉␉␉␉␉␊ |
| 1094 | ␉␉␉␉␉// Generate _CST SSDT␊ |
| 1095 | ␉␉␉␉␉if (generate_cstates && (new_ssdt[ssdtotal_number] = generate_cst_ssdt(fadt_mod))) {␊ |
| 1096 | ␉␉␉␉␉␉verbose("\tC-States generated.\n");␊ |
| 1097 | ␉␉␉␉␉␉generate_cstates = false; // Generate SSDT only once!␊ |
| 1098 | ␉␉␉␉␉␉ssdtotal_number++;␊ |
| 1099 | ␉␉␉␉␉}␊ |
| 1100 | ␊ |
| 1101 | ␉␉␉␉␉// Generating _PSS SSDT␊ |
| 1102 | ␉␉␉␉␉if (generate_pstates && (new_ssdt[ssdtotal_number] = generate_pss_ssdt((void*)fadt_mod->DSDT))) {␊ |
| 1103 | ␉␉␉␉␉␉verbose("\tP-States generated.\n");␊ |
| 1104 | ␉␉␉␉␉␉generate_pstates = false; // Generate SSDT only once!␊ |
| 1105 | ␉␉␉␉␉␉ssdtotal_number++;␊ |
| 1106 | ␉␉␉␉␉}␊ |
| 1107 | ␉␉␉␉␉continue;␊ |
| 1108 | ␉␉␉␉}␊ |
| 1109 | ␊ |
| 1110 | verbose("using.\n");␊ |
| 1111 | rsdt_entries[i-dropoffset] = rsdt_entries[i];␊ |
| 1112 | ␉␉␉}␊ |
| 1113 | ␊ |
| 1114 | // For moded rsdt calculate new lenght␊ |
| 1115 | if (new_ecdt)␊ |
| 1116 | rsdt_mod->Length += 4*ssdtotal_number - 4*dropoffset + 4; // custom - dropped + ECDT␊ |
| 1117 | ␉␉␉else␊ |
| 1118 | rsdt_mod->Length += 4*ssdtotal_number - 4*dropoffset;␊ |
| 1119 | // Allocate moded rsdt in Kernel memory area␊ |
| 1120 | ␉␉␉struct acpi_2_rsdt *rsdt_copy = (struct acpi_2_rsdt *)AllocateKernelMemory(rsdt_mod->Length);␊ |
| 1121 | memcpy(rsdt_copy, rsdt_mod, rsdt_mod->Length); // should be rsdt_mod->Length - 4*ssdtotal_number - 4 but don't care␊ |
| 1122 | ␉␉␉free(rsdt_mod);␊ |
| 1123 | ␉␉␉rsdt_mod = rsdt_copy;␊ |
| 1124 | ␉␉␉rsdp_mod->RsdtAddress = (uint32_t)rsdt_mod;␊ |
| 1125 | ␉␉␉rsdt_entries_num = (rsdt_mod->Length-sizeof(struct acpi_2_rsdt)) / 4;␊ |
| 1126 | ␉␉␉rsdt_entries = (uint32_t *)(rsdt_mod + 1);␊ |
| 1127 | ␊ |
| 1128 | ␉␉␉// Mozodojo: Insert additional SSDTs into RSDT␊ |
| 1129 | for (j = 0; j < ssdtotal_number; j++) {␊ |
| 1130 | rsdt_entries[i-dropoffset+j] = (uint32_t)new_ssdt[j];␊ |
| 1131 | }␊ |
| 1132 | verbose("ACPIpatcher: added %d custom SSDT table%s into RSDT.\n", ssdtotal_number, (ssdtotal_number != 1) ? "s" : "");␊ |
| 1133 | ␉␉␉␊ |
| 1134 | ␉␉␉if (new_ecdt) {␊ |
| 1135 | ␉␉␉␉rsdt_entries[i - dropoffset + j] = (uint32_t)new_ecdt;␊ |
| 1136 | ␉␉␉␉verbose("ACPIpatcher: added custom table %s @%08X into RSDT.\n", "ECDT", new_ecdt);␊ |
| 1137 | ␉␉␉}␊ |
| 1138 | ␊ |
| 1139 | ␉␉␉// Correct the checksum of RSDT␊ |
| 1140 | ␉␉␉verbose("ACPIpatcher: modified RSDT@%08X, length=%d. Checksum: old=%d, ", rsdt_mod, rsdt_mod->Length, rsdt_mod->Checksum);␊ |
| 1141 | ␉␉␉rsdt_mod->Checksum=0;␊ |
| 1142 | ␉␉␉rsdt_mod->Checksum=256-checksum8(rsdt_mod,rsdt_mod->Length);␊ |
| 1143 | ␉␉␉verbose("new=%d.\n", rsdt_mod->Checksum);␊ |
| 1144 | ␉␉} else {␊ |
| 1145 | ␉␉␉rsdp_mod->RsdtAddress = 0;␊ |
| 1146 | ␉␉␉verbose("not found or incorrect!\n");␊ |
| 1147 | ␉␉}␊ |
| 1148 | ␉␉verbose("\n");␊ |
| 1149 | ␊ |
| 1150 | if (gVerboseMode) pause("");␊ |
| 1151 | ␊ |
| 1152 | ␉␉if (version) {␊ |
| 1153 | ␉␉␉// FIXME: handle 64-bit address correctly␊ |
| 1154 | ␉␉␉xsdt = (struct acpi_2_xsdt *)(uint32_t)rsdp->XsdtAddress;␊ |
| 1155 | verbose("ACPIpatcher: OEM table XSDT@%08X%08X, length=%d: ", (uint32_t)(rsdp->XsdtAddress >> 32), (uint32_t)(rsdp->XsdtAddress & 0xFFFFFFFF), xsdt->Length);␊ |
| 1156 | ␊ |
| 1157 | ␉␉␉if ((rsdp->XsdtAddress > 0) && (rsdp->XsdtAddress < 0xFFFFFFFF) && (xsdt->Length < 0x10000)) {␊ |
| 1158 | verbose("using.\n");␊ |
| 1159 | ␉␉␉␉int xsdt_entries_num, i, j;␊ |
| 1160 | ␉␉␉␉int dropoffset = 0;␊ |
| 1161 | ␊ |
| 1162 | ␉␉␉␉// mozo: using malloc cos I didn't found how to free already allocated kernel memory␊ |
| 1163 | ␉␉␉␉xsdt_mod = (struct acpi_2_xsdt *)malloc(xsdt->Length);␊ |
| 1164 | ␉␉␉␉memcpy(xsdt_mod, xsdt, xsdt->Length);␊ |
| 1165 | rsdp_mod->XsdtAddress = (uint64_t)xsdt_mod;␊ |
| 1166 | ␉␉␉␉xsdt_entries_num = (xsdt_mod->Length - sizeof(struct acpi_2_xsdt)) / 8;␊ |
| 1167 | ␉␉␉␉xsdt_entries = (uint64_t *)(xsdt_mod + 1);␊ |
| 1168 | ␊ |
| 1169 | ␉␉␉␉for (i = 0; i < xsdt_entries_num; i++) {␊ |
| 1170 | struct acpi_2_header *oemTable = (struct acpi_2_header *)(uint32_t)xsdt_entries[i];␊ |
| 1171 | verbose("ACPIpatcher: OEM table %c%c%c%c@%08X%08X, length=%d", oemTable->Signature[0], oemTable->Signature[1], oemTable->Signature[2], oemTable->Signature[3], (uint32_t)(xsdt_entries[i] >> 32), (uint32_t)(xsdt_entries[i] & 0xFFFFFFFF), oemTable->Length);␊ |
| 1172 | ␊ |
| 1173 | ␉␉␉␉␉if (!(xsdt_entries[i] > 0) || !(xsdt_entries[i] < 0xFFFFFFFF)) {␊ |
| 1174 | verbose(": incorrect! Dropping.\n");␊ |
| 1175 | dropoffset++;␊ |
| 1176 | ␉␉␉␉␉␉continue;␊ |
| 1177 | ␉␉␉␉␉}␊ |
| 1178 | ␊ |
| 1179 | bool inRSDT = (uint32_t)oemTable == ((uint32_t *)(rsdt + 1))[i]; // check if already in RSDT␊ |
| 1180 | if (inRSDT) {␊ |
| 1181 | verbose(" (already in RSDT)");␊ |
| 1182 | }␊ |
| 1183 | ␊ |
| 1184 | if (tableSign(oemTable, "SSDT") && !inRSDT) {␊ |
| 1185 | if (drop_ssdt) {␊ |
| 1186 | verbose(": dropping.\n");␊ |
| 1187 | dropoffset++;␊ |
| 1188 | } else {␊ |
| 1189 | verbose(": using.\n");␊ |
| 1190 | xsdt_entries[i - dropoffset] = xsdt_entries[i];␊ |
| 1191 | // Get rest of ssdts from ssdt_pmref␊ |
| 1192 | if (getSubSSDT) {␊ |
| 1193 | struct ssdt_pmref *subSSDT = (struct ssdt_pmref *)((uint32_t)xsdt_entries[i - dropoffset] + sizeof(struct acpi_2_header) + 15);␊ |
| 1194 | uint8_t tabNum = *((uint8_t *)subSSDT - 2) / 3; // e.g: Name (SSDT, Package (0x0C) -> 0x0C / 3 = 4 is number of sub SSDTs␊ |
| 1195 | for (j = 0; (j < tabNum) && (ssdtotal_number < 30); j++) {␊ |
| 1196 | verbose("ACPIpatcher: OEM table SSDT_%s@%08X, length=%d", ((struct acpi_2_ssdt *)subSSDT[j].addr)->OEMTableId, subSSDT[j].addr, ((struct acpi_2_ssdt *)subSSDT[j].addr)->Length);␊ |
| 1197 | if (!(subSSDT[j].addr > 0) || !(subSSDT[j].addr < 0xFFFFFFFF)) {␊ |
| 1198 | verbose(": incorrect! Dropping.\n");␊ |
| 1199 | continue;␊ |
| 1200 | }␊ |
| 1201 | new_ssdt[ssdtotal_number] = (struct acpi_2_ssdt *)subSSDT[j].addr;␊ |
| 1202 | ssdtotal_number++;␊ |
| 1203 | verbose(": using.\n");␊ |
| 1204 | }␊ |
| 1205 | }␊ |
| 1206 | }␊ |
| 1207 | continue;␊ |
| 1208 | }␊ |
| 1209 | ␊ |
| 1210 | // Bungo: According to ACPI Spec. no DSDT in RSDT, so what this for?␊ |
| 1211 | /*␊ |
| 1212 | if (tableSign(oemTable, "DSDT")) {␊ |
| 1213 | if (new_dsdt) {␊ |
| 1214 | xsdt_entries[i-dropoffset] = (uint64_t)new_dsdt;␊ |
| 1215 | verbose("custom table added.\n");␊ |
| 1216 | }␊ |
| 1217 | continue;␊ |
| 1218 | }␊ |
| 1219 | */␊ |
| 1220 | // Suggest to drop, it should be in FACP␊ |
| 1221 | if (tableSign(oemTable, "DSDT") && !inRSDT) {␊ |
| 1222 | verbose(": dropping.\n");␊ |
| 1223 | dropoffset++;␊ |
| 1224 | continue;␊ |
| 1225 | }␊ |
| 1226 | ␊ |
| 1227 | ␉␉␉␉␉if (tableSign(oemTable, "FACP") && !inRSDT) {␊ |
| 1228 | ␉␉␉␉␉␉if (oemTable->Length > 0x10000) {␊ |
| 1229 | ␉␉␉␉␉␉␉goto drop_xsdt;␊ |
| 1230 | ␉␉␉␉␉␉}␊ |
| 1231 | ␊ |
| 1232 | verbose(": patching.\n");␊ |
| 1233 | ␉␉␉␉␉␉fadt_mod = patch_fadt((struct acpi_2_fadt *)oemTable, new_dsdt);␊ |
| 1234 | ␉␉␉␉␉␉xsdt_entries[i - dropoffset] = (uint64_t)fadt_mod;␊ |
| 1235 | ␊ |
| 1236 | ␉␉␉␉␉␉// Generate _CST SSDT␊ |
| 1237 | ␉␉␉␉␉␉if (generate_cstates && (new_ssdt[ssdtotal_number] = generate_cst_ssdt(fadt_mod))) {␊ |
| 1238 | ␉␉␉␉␉␉␉verbose("\tC-States generated\n");␊ |
| 1239 | ␉␉␉␉␉␉␉generate_cstates = false; // Generate SSDT only once!␊ |
| 1240 | ␉␉␉␉␉␉␉ssdtotal_number++;␊ |
| 1241 | ␉␉␉␉␉␉}␊ |
| 1242 | ␊ |
| 1243 | ␉␉␉␉␉␉// Generating _PSS SSDT␊ |
| 1244 | ␉␉␉␉␉␉if (generate_pstates && (new_ssdt[ssdtotal_number] = generate_pss_ssdt((void *)fadt_mod->DSDT))) {␊ |
| 1245 | ␉␉␉␉␉␉␉verbose("\tP-States generated\n");␊ |
| 1246 | ␉␉␉␉␉␉␉generate_pstates = false; // Generate SSDT only once!␊ |
| 1247 | ␉␉␉␉␉␉␉ssdtotal_number++;␊ |
| 1248 | ␉␉␉␉␉␉}␊ |
| 1249 | ␉␉␉␉␉␉continue;␊ |
| 1250 | ␉␉␉␉␉}␊ |
| 1251 | ␊ |
| 1252 | verbose(": using.\n");␊ |
| 1253 | xsdt_entries[i - dropoffset] = xsdt_entries[i];␊ |
| 1254 | ␉␉␉␉}␊ |
| 1255 | ␊ |
| 1256 | // For moded xsdt calculate new lenght␊ |
| 1257 | if (new_ecdt)␊ |
| 1258 | xsdt_mod->Length += 8*ssdtotal_number - 8*dropoffset + 8; // custom - dropped + ECDT␊ |
| 1259 | else␊ |
| 1260 | xsdt_mod->Length += 8*ssdtotal_number - 8*dropoffset;␊ |
| 1261 | // Allocate xsdt in Kernel memory area␊ |
| 1262 | ␉␉␉␉struct acpi_2_xsdt *xsdt_copy = (struct acpi_2_xsdt *)AllocateKernelMemory(xsdt_mod->Length);␊ |
| 1263 | ␉␉␉␉memcpy(xsdt_copy, xsdt_mod, xsdt_mod->Length); // should be: rsdt_mod->Length - 8*ssdtotal_number - 8 but don't care␊ |
| 1264 | ␉␉␉␉free(xsdt_mod);␊ |
| 1265 | xsdt_mod = xsdt_copy;␊ |
| 1266 | ␉␉␉␉rsdp_mod->XsdtAddress = (uint64_t)xsdt_mod;␊ |
| 1267 | ␉␉␉␉xsdt_entries_num = (xsdt_mod->Length - sizeof(struct acpi_2_xsdt)) / 8;␊ |
| 1268 | ␉␉␉␉xsdt_entries = (uint64_t *)(xsdt_mod + 1);␊ |
| 1269 | ␊ |
| 1270 | ␉␉␉␉// Mozodojo: Insert additional SSDTs into XSDT␊ |
| 1271 | for (j = 0; j < ssdtotal_number; j++) {␊ |
| 1272 | xsdt_entries[i-dropoffset+j] = (uint64_t)new_ssdt[j];␊ |
| 1273 | }␊ |
| 1274 | verbose("ACPIpatcher: added %d custom SSDT table%s into XSDT.\n", ssdtotal_number, (ssdtotal_number != 1) ? "s" : "");␊ |
| 1275 | ␊ |
| 1276 | ␉␉␉␉if (new_ecdt) {␊ |
| 1277 | ␉␉␉␉␉xsdt_entries[i - dropoffset + j] = (uint64_t)new_ecdt;␊ |
| 1278 | ␉␉␉␉␉verbose("ACPIpatcher: added custom table %s@%016X into XSDT.\n", "ECDT", new_ecdt);␊ |
| 1279 | ␉␉␉␉}␊ |
| 1280 | ␊ |
| 1281 | ␉␉␉␉// Correct the checksum of XSDT␊ |
| 1282 | ␉␉␉␉verbose("ACPIpatcher: modified XSDT@%016X, length=%d. Checksum: old=%d, ", xsdt_mod, xsdt_mod->Length, xsdt_mod->Checksum);␊ |
| 1283 | xsdt_mod->Checksum=0;␊ |
| 1284 | xsdt_mod->Checksum=256-checksum8(xsdt_mod, xsdt_mod->Length);␊ |
| 1285 | verbose("new=%d.\n", xsdt_mod->Checksum);␊ |
| 1286 | ␉␉␉} else {␊ |
| 1287 | ␉␉␉drop_xsdt:␊ |
| 1288 | ␉␉␉␉/*FIXME: Now we just hope that if MacOS doesn't find XSDT it reverts to RSDT. ␊ |
| 1289 | ␉␉␉␉ * A Better strategy would be to generate␊ |
| 1290 | ␉␉␉␉ */␊ |
| 1291 | verbose("not found or incorrect!\n");␊ |
| 1292 | ␉␉␉␉rsdp_mod->XsdtAddress=0xffffffffffffffffLL;␊ |
| 1293 | ␉␉␉}␊ |
| 1294 | ␊ |
| 1295 | if (gVerboseMode) pause("");␊ |
| 1296 | ␉␉}␊ |
| 1297 | ␊ |
| 1298 | ␉␉// Correct the checksum of RSDP␊ |
| 1299 | ␉␉verbose("ACPIpatcher: modified RSDP@%08X, checksum: old=%d, ", rsdp_mod, rsdp_mod->Checksum);␊ |
| 1300 | ␉␉rsdp_mod->Checksum=0;␊ |
| 1301 | ␉␉rsdp_mod->Checksum=256-checksum8(rsdp_mod, 20);␊ |
| 1302 | ␉␉verbose("new=%d", rsdp_mod->Checksum);␊ |
| 1303 | ␊ |
| 1304 | ␉␉if (version) {␊ |
| 1305 | ␉␉␉verbose("; extended checksum: old=%d, ", rsdp_mod->ExtendedChecksum);␊ |
| 1306 | ␉␉␉rsdp_mod->ExtendedChecksum=0;␊ |
| 1307 | ␉␉␉rsdp_mod->ExtendedChecksum=256-checksum8(rsdp_mod,rsdp_mod->Length);␊ |
| 1308 | ␉␉␉verbose("new=%d.\n", rsdp_mod->ExtendedChecksum);␊ |
| 1309 | ␉␉} else {␊ |
| 1310 | verbose(".\n");␊ |
| 1311 | }␊ |
| 1312 | ␊ |
| 1313 | ␉␉if (version) {␊ |
| 1314 | ␉␉␉acpi20_p = (uint64_t)(uint32_t)rsdp_mod; // efi configuration table pointer to ACPI_20 RSDP␊ |
| 1315 | acpi10_p = acpi20_p - 20; // efi configuration table pointer to ACPI RSDP␊ |
| 1316 | memcpy((struct acpi_2_rsdp *)(uint32_t)acpi10_p, (struct acpi_2_rsdp *)(uint32_t)acpi20_p, 20);␊ |
| 1317 | ␉␉␉//addConfigurationTable(&gEfiAcpi20TableGuid, &acpi20_p, "ACPI_20");␊ |
| 1318 | ␉␉} else {␊ |
| 1319 | ␉␉␉acpi10_p = (uint64_t)(uint32_t)rsdp_mod; // efi configuration table pointer to ACPI RSDP␊ |
| 1320 | ␉␉␉//addConfigurationTable(&gEfiAcpiTableGuid, &acpi10_p, "ACPI");␊ |
| 1321 | ␉␉}␊ |
| 1322 | ␊ |
| 1323 | verbose("ACPIpatcher: acpi version %d.0 patching finished.\n", version + 1);␊ |
| 1324 | ␉}␊ |
| 1325 | ␊ |
| 1326 | #if DEBUG_ACPI␊ |
| 1327 | pause("[DEBUG ACPI] ");␊ |
| 1328 | #else␊ |
| 1329 | if (gVerboseMode) pause("");␊ |
| 1330 | #endif␊ |
| 1331 | ␊ |
| 1332 | ␉return 1;␊ |
| 1333 | }␊ |
| 1334 | ␊ |
| 1335 | struct acpi_2_rsdp *getRSDPaddress()␊ |
| 1336 | {␊ |
| 1337 | bool found = false;␊ |
| 1338 | /* Before searching the BIOS space we are supposed to search the first 1K of the EBDA */␊ |
| 1339 | ␉EBDA_RANGE_START = (uint32_t)swapUint16(*(uint16_t *)BDA_EBDA_START) << 4;␊ |
| 1340 | verbose("getRSDPaddress: scanning EBDA [%08X:%08X] for RSDP... ", EBDA_RANGE_START, EBDA_RANGE_END);␊ |
| 1341 | void *rsdp_addr = (void*)EBDA_RANGE_START;␊ |
| 1342 | ␉for (; rsdp_addr <= (void*)EBDA_RANGE_END; rsdp_addr += 1) {␊ |
| 1343 | ␉␉if (*(uint64_t *)rsdp_addr == ACPI_SIGNATURE_UINT64_LE) {␊ |
| 1344 | found = true;␊ |
| 1345 | break;␊ |
| 1346 | ␉␉}␊ |
| 1347 | ␉}␊ |
| 1348 | ␊ |
| 1349 | if (!found) {␊ |
| 1350 | verbose("Nothing found.\n");␊ |
| 1351 | verbose("getRSDPaddress: scanning BIOS area [%08X:%08X] for RSDP... ", ACPI_RANGE_START, ACPI_RANGE_END);␊ |
| 1352 | rsdp_addr = (void*)ACPI_RANGE_START;␊ |
| 1353 | for (; rsdp_addr <= (void*)ACPI_RANGE_END; rsdp_addr += 16) {␊ |
| 1354 | if (*(uint64_t *)rsdp_addr == ACPI_SIGNATURE_UINT64_LE) {␊ |
| 1355 | found = true;␊ |
| 1356 | break;␊ |
| 1357 | }␊ |
| 1358 | }␊ |
| 1359 | }␊ |
| 1360 | ␊ |
| 1361 | if (found) {␊ |
| 1362 | verbose("Found @0%08X, Rev.: %d.0).\n", rsdp_addr, ((struct acpi_2_rsdp *)rsdp_addr)->Revision + 1);␊ |
| 1363 | uint8_t csum = checksum8(rsdp_addr, 20);␊ |
| 1364 | if (csum == 0) {␊ |
| 1365 | if (((struct acpi_2_rsdp *)rsdp_addr)->Revision == 0) return rsdp_addr;␊ |
| 1366 | csum = checksum8(rsdp_addr, sizeof(struct acpi_2_rsdp));␊ |
| 1367 | if (csum == 0) return rsdp_addr;␊ |
| 1368 | else verbose("getRSDPaddress: RSDP extended checksum incorrect: %d.\n", csum);␊ |
| 1369 | } else verbose("getRSDPaddress: RSDP checksum incorrect: %d.\n", csum);␊ |
| 1370 | } else verbose("Nothing found.\n");␊ |
| 1371 | ␊ |
| 1372 | ␉return NULL;␊ |
| 1373 | }␊ |
| 1374 | |
