| 1 | /*␊ |
| 2 | * Copyright 2008 mackerintel␊ |
| 3 | */␊ |
| 4 | ␊ |
| 5 | /*␊ |
| 6 | * Copyright (c) 2011 cparm <armelcadetpetit@gmail.com>. All rights reserved.␊ |
| 7 | *␊ |
| 8 | */␊ |
| 9 | ␊ |
| 10 | #include "libsaio.h"␊ |
| 11 | #include "boot.h"␊ |
| 12 | #include "bootstruct.h"␊ |
| 13 | #include "acpi.h"␊ |
| 14 | #include "acpidecode.h"␊ |
| 15 | #include "acpicode.h"␊ |
| 16 | #include "efi_tables.h"␊ |
| 17 | #include "fake_efi.h"␊ |
| 18 | #include "acpi_codec.h"␊ |
| 19 | #include "platform.h"␊ |
| 20 | #include "cpu.h"␊ |
| 21 | #include "aml_generator.h"␊ |
| 22 | #include "xml.h"␊ |
| 23 | #include "pci_root.h"␊ |
| 24 | #include "sl.h"␊ |
| 25 | ␊ |
| 26 | U64 rsd_p;␊ |
| 27 | ACPI_TABLES acpi_tables;␊ |
| 28 | ␊ |
| 29 | #ifndef DEBUG_ACPI␊ |
| 30 | #define DEBUG_ACPI 0␊ |
| 31 | #endif␊ |
| 32 | ␊ |
| 33 | #if DEBUG_ACPI==2␊ |
| 34 | #define DBG(x...) {printf(x); sleep(1);}␊ |
| 35 | #elif DEBUG_ACPI==1␊ |
| 36 | #define DBG(x...) printf(x)␊ |
| 37 | #else␊ |
| 38 | #define DBG(x...)␊ |
| 39 | #endif␊ |
| 40 | ␊ |
| 41 | extern EFI_STATUS addConfigurationTable();␊ |
| 42 | ␊ |
| 43 | extern EFI_GUID gEfiAcpiTableGuid;␊ |
| 44 | extern EFI_GUID gEfiAcpi20TableGuid;␊ |
| 45 | ␊ |
| 46 | #define MAX_NON_SSDT_TABLE 15␊ |
| 47 | #define MAX_SSDT_TABLE 15 // 15 additional SSDT tables ␊ |
| 48 | #define MAX_ACPI_TABLE MAX_NON_SSDT_TABLE + MAX_SSDT_TABLE␊ |
| 49 | ␊ |
| 50 | // Security space for SSDT & FACP generation,␊ |
| 51 | // the size can be increased ␊ |
| 52 | // note: the table will not placed in the reserved space if the 'normal' space is not full␊ |
| 53 | #define RESERVED_AERA 3 ␊ |
| 54 | ␊ |
| 55 | #define ACPI_TABLE_LIST_FULL MAX_ACPI_TABLE + RESERVED_AERA + 1␊ |
| 56 | ␊ |
| 57 | #define ACPI_TABLE_LIST_FULL_NON_RESERVED MAX_ACPI_TABLE + 1␊ |
| 58 | ␊ |
| 59 | ␊ |
| 60 | ACPI_TABLE_FADT *␊ |
| 61 | patch_fadt(ACPI_TABLE_FADT *fadt, ACPI_TABLE_DSDT *new_dsdt, bool UpdateFADT);␊ |
| 62 | ␊ |
| 63 | #define __RES(s, u)␉␉␉␉␉␉␉␉␉␉␉␉\␊ |
| 64 | inline unsigned u␉␉␉␉␉␉␉␉␉␉\␊ |
| 65 | resolve_##s(unsigned u defaultentry, char *str, int base) \␊ |
| 66 | {␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉\␊ |
| 67 | unsigned u entry = defaultentry;␉␉␉␉␉␉␉\␊ |
| 68 | if (str && (strcmp(str,"Default") != 0)) {␉␉␉␉␉\␊ |
| 69 | entry = strtoul((const char *)str, NULL,base);␉␉␉␉\␊ |
| 70 | }␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉\␊ |
| 71 | return entry;␉␉␉␉␉␉␉␉␉␉␉␉\␊ |
| 72 | }␊ |
| 73 | ␊ |
| 74 | __RES(pss, long) ␊ |
| 75 | __RES(cst, int) ␊ |
| 76 | ␊ |
| 77 | ␊ |
| 78 | ACPI_TABLE_HEADER * get_new_table_in_list(U32 *new_table_list, U32 Signature, U8 *retIndex )␊ |
| 79 | {␊ |
| 80 | ␉ACPI_TABLE_HEADER **table_array = (ACPI_TABLE_HEADER **) new_table_list;␊ |
| 81 | ␉U8 index ;␊ |
| 82 | ␉*retIndex = 0;␊ |
| 83 | ␉␊ |
| 84 | ␉for (index = 0; index < (MAX_ACPI_TABLE + RESERVED_AERA); index++) {␊ |
| 85 | ␉␉if (*(U32 *) (table_array[index]->Signature) == Signature) {␊ |
| 86 | ␉␉␉*retIndex = index;␊ |
| 87 | ␉␉␉return table_array[index] ;␊ |
| 88 | ␉␉}␊ |
| 89 | ␉}␊ |
| 90 | ␉return (void*)0ul;␊ |
| 91 | }␊ |
| 92 | ␊ |
| 93 | U8 get_0ul_index_in_list(U32 *new_table_list, bool reserved )␊ |
| 94 | {␊ |
| 95 | ␉U8 index ;␊ |
| 96 | ␉␊ |
| 97 | ␉U8 maximum = (reserved == true) ? MAX_ACPI_TABLE + RESERVED_AERA : MAX_ACPI_TABLE;␊ |
| 98 | ␉␊ |
| 99 | ␉for (index = 0; index < maximum; index++) {␊ |
| 100 | ␉␉if (new_table_list[index] == 0ul) {␊ |
| 101 | ␉␉␉return index ;␊ |
| 102 | ␉␉}␊ |
| 103 | ␉}␊ |
| 104 | ␉return (reserved == true)? ACPI_TABLE_LIST_FULL : ACPI_TABLE_LIST_FULL_NON_RESERVED;␊ |
| 105 | }␊ |
| 106 | ␊ |
| 107 | /* cparm : This time we check it by the acpi signature */␊ |
| 108 | void sanitize_new_table_list(U32 *new_table_list )␊ |
| 109 | {␊ |
| 110 | ␉ACPI_TABLE_HEADER **table_array = (ACPI_TABLE_HEADER **) new_table_list;␊ |
| 111 | ␉U8 index ;␊ |
| 112 | ␉␊ |
| 113 | ␉for (index = 0; index < MAX_ACPI_TABLE; index++) {␊ |
| 114 | ␉␉U32 current_sig = *(U32 *) (table_array[index]->Signature);␊ |
| 115 | ␉␉␊ |
| 116 | ␉␉if ((current_sig == NAMESEG(ACPI_SIG_FACS)/* not supported for now */) ␊ |
| 117 | ␉␉␉|| (current_sig == NAMESEG(ACPI_SIG_XSDT)) ␊ |
| 118 | ␉␉␉|| (current_sig == NAMESEG(ACPI_SIG_RSDT)) || (*(volatile U64 *)table_array[index] == NAMESEG64(ACPI_SIG_RSDP)) ) {␊ |
| 119 | ␉␉␉␊ |
| 120 | ␉␉␉void *buf = (void*)new_table_list[index];␊ |
| 121 | ␉␉␉free(buf);␊ |
| 122 | ␉␉␉new_table_list[index] = 0ul ;␊ |
| 123 | ␉␉}␊ |
| 124 | ␉}␊ |
| 125 | }␊ |
| 126 | ␊ |
| 127 | /* cparm : move all table to kernel memory */␊ |
| 128 | void move_table_list_to_kmem(U32 *new_table_list )␊ |
| 129 | {␊ |
| 130 | ␉ACPI_TABLE_HEADER **table_array = (ACPI_TABLE_HEADER **) new_table_list;␊ |
| 131 | ␉U8 index ;␊ |
| 132 | ␉␊ |
| 133 | ␉for (index = 0; index < MAX_ACPI_TABLE; index++) {␊ |
| 134 | ␉␉if (new_table_list[index] != 0ul) {␊ |
| 135 | ␊ |
| 136 | ␉␉␉U32 current_sig = *(U32 *) (table_array[index]->Signature);␊ |
| 137 | ␉␉␉if ((current_sig != NAMESEG(ACPI_SIG_FACS)/* not supported for now */) ␊ |
| 138 | ␉␉␉␉&& (current_sig != NAMESEG(ACPI_SIG_XSDT)) ␊ |
| 139 | ␉␉␉␉&& (current_sig != NAMESEG(ACPI_SIG_RSDT)) && (*(volatile U64 *)table_array[index] != NAMESEG64(ACPI_SIG_RSDP))␊ |
| 140 | ␉␉␉␉&& (GetChecksum(table_array[index], table_array[index]->Length) == 0)) {␊ |
| 141 | ␉␉␉␉␊ |
| 142 | ␉␉␉␉void *tableAddr=(void*)AllocateKernelMemory(table_array[index]->Length);␊ |
| 143 | ␉␉␉␉bcopy(table_array[index], tableAddr, table_array[index]->Length);␊ |
| 144 | ␉␉␉␉new_table_list[index] = 0ul ;␊ |
| 145 | ␉␉␉␉new_table_list[index] = (U32)tableAddr ;␊ |
| 146 | ␉␉␉␉␊ |
| 147 | ␉␉␉} else {␊ |
| 148 | ␉␉␉␉␊ |
| 149 | ␉␉␉␉void *buf = (void*)new_table_list[index];␊ |
| 150 | ␉␉␉␉free(buf);␊ |
| 151 | ␉␉␉␉new_table_list[index] = 0ul ;␊ |
| 152 | ␉␉␉}␉␉␉␊ |
| 153 | ␉␉}␊ |
| 154 | ␉}␊ |
| 155 | }␊ |
| 156 | ␊ |
| 157 | ACPI_TABLE_RSDP * gen_alloc_rsdp_v2_from_v1(ACPI_TABLE_RSDP *rsdp )␊ |
| 158 | {␊ |
| 159 | ␉␊ |
| 160 | ␉ACPI_TABLE_RSDP * rsdp_conv = (ACPI_TABLE_RSDP *)AllocateKernelMemory(sizeof(ACPI_TABLE_RSDP));␊ |
| 161 | ␉bzero(rsdp_conv, sizeof(ACPI_TABLE_RSDP));␊ |
| 162 | memcpy(rsdp_conv, rsdp, ACPI_RSDP_REV0_SIZE);␊ |
| 163 | ␊ |
| 164 | /* Add/change fields */␊ |
| 165 | rsdp_conv->Revision = 2; /* ACPI version 3 */␊ |
| 166 | rsdp_conv->Length = sizeof(ACPI_TABLE_RSDP);␊ |
| 167 | ␊ |
| 168 | /* Correct checksums */ ␊ |
| 169 | setRsdpchecksum(rsdp_conv);␊ |
| 170 | setRsdpXchecksum(rsdp_conv); ␊ |
| 171 | ␊ |
| 172 | return rsdp_conv;␊ |
| 173 | }␊ |
| 174 | ␊ |
| 175 | ACPI_TABLE_RSDT * gen_alloc_rsdt_from_xsdt(ACPI_TABLE_XSDT *xsdt)␊ |
| 176 | {␊ |
| 177 | U32 index;␊ |
| 178 | U32 num_tables;␊ |
| 179 | ␉␉␉␊ |
| 180 | num_tables= get_num_tables64(xsdt);␊ |
| 181 | ␊ |
| 182 | ACPI_TABLE_RSDT * rsdt_conv=(ACPI_TABLE_RSDT *)AllocateKernelMemory(sizeof(ACPI_TABLE_HEADER)+(num_tables * 4));␊ |
| 183 | ␉bzero(rsdt_conv, sizeof(ACPI_TABLE_HEADER)+(num_tables * 4));␊ |
| 184 | memcpy(&rsdt_conv->Header, &xsdt->Header, sizeof(ACPI_TABLE_HEADER));␊ |
| 185 | ␊ |
| 186 | rsdt_conv->Header.Signature[0] = 'R';␊ |
| 187 | rsdt_conv->Header.Signature[1] = 'S';␊ |
| 188 | rsdt_conv->Header.Signature[2] = 'D';␊ |
| 189 | rsdt_conv->Header.Signature[3] = 'T';␊ |
| 190 | rsdt_conv->Header.Length = sizeof(ACPI_TABLE_HEADER)+(num_tables * 4);␊ |
| 191 | ␉␊ |
| 192 | ␉ACPI_TABLE_HEADER *table = (ACPI_TABLE_HEADER *) xsdt->TableOffsetEntry;␉␊ |
| 193 | ␊ |
| 194 | ␉for (index=0;index<num_tables;index++)␊ |
| 195 | {␊ |
| 196 | ␉␉if (GetChecksum(table, table->Length) == 0)␊ |
| 197 | ␉␉{␊ |
| 198 | ␉␉␉if (((U32) (table->Signature) == NAMESEG(ACPI_SIG_FADT))) {␊ |
| 199 | ␉␉␉␉ACPI_TABLE_FADT *fadt=(ACPI_TABLE_FADT *)((U32)table);␊ |
| 200 | ␉␉␉␉␊ |
| 201 | ␉␉␉␉DBG("Downgrading ACPI V%d FADT to ACPI V1 FADT \n", fadt->Header.Revision);␊ |
| 202 | ␉␉␉␉ACPI_TABLE_FADT *fadt_conv=(ACPI_TABLE_FADT *)malloc(0x74);␊ |
| 203 | ␉␉␉␉memcpy(fadt_conv, fadt, 0x74);␊ |
| 204 | ␉␉␉␉fadt_conv->Header.Length = 0x74;␊ |
| 205 | ␉␉␉␉fadt_conv->Header.Revision = 0x01;␊ |
| 206 | ␉␉␉␉␊ |
| 207 | ␉␉␉␉SetChecksum(&fadt_conv->Header);␊ |
| 208 | ␉␉␉␉ACPI_TABLE_FADT *fadt_mod = patch_fadt(fadt_conv, ((ACPI_TABLE_DSDT*)((U32)fadt->XDsdt)), false); ␊ |
| 209 | ␉␉␉␉if (fadt_mod == (void*)0ul) {␊ |
| 210 | ␉␉␉␉␉printf("Error: Failed to patch FADT Table, fallback to fadt original pointer\n");␊ |
| 211 | ␉␉␉␉␉fadt_mod = fadt;␊ |
| 212 | ␉␉␉␉}␊ |
| 213 | ␉␉␉␉␊ |
| 214 | ␉␉␉␉rsdt_conv->TableOffsetEntry[index] = ((U32)fadt_mod);␊ |
| 215 | ␉␉␉␉// Move array pointer to next 64-bit pointer␊ |
| 216 | ␉␉␉␉table = (ACPI_TABLE_HEADER *) ((U32) table + sizeof(U64));␊ |
| 217 | ␉␉␉␉continue;␊ |
| 218 | ␉␉␉}␊ |
| 219 | ␉␉␉␊ |
| 220 | ␉␉␉rsdt_conv->TableOffsetEntry[index] = (U32)table;␊ |
| 221 | ␉␉}␊ |
| 222 | // Move array pointer to next 64-bit pointer␊ |
| 223 | table = (ACPI_TABLE_HEADER *) ((U32) table + sizeof(U64));␉␉␊ |
| 224 | ␉␉␊ |
| 225 | }␊ |
| 226 | ␊ |
| 227 | SetChecksum(&rsdt_conv->Header);␊ |
| 228 | ␊ |
| 229 | return rsdt_conv;␊ |
| 230 | }␊ |
| 231 | ␊ |
| 232 | ACPI_TABLE_XSDT * gen_alloc_xsdt_from_rsdt(ACPI_TABLE_RSDT *rsdt)␊ |
| 233 | {␊ |
| 234 | ␉␊ |
| 235 | ␉␊ |
| 236 | ␉U32 index;␊ |
| 237 | U32 num_tables;␊ |
| 238 | ␉␉␉␊ |
| 239 | num_tables= get_num_tables(rsdt);␊ |
| 240 | ␊ |
| 241 | ACPI_TABLE_XSDT * xsdt_conv=(ACPI_TABLE_XSDT *)AllocateKernelMemory(sizeof(ACPI_TABLE_HEADER)+(num_tables * 8));␊ |
| 242 | ␉bzero(xsdt_conv, sizeof(ACPI_TABLE_HEADER)+(num_tables * 8));␊ |
| 243 | memcpy(&xsdt_conv->Header, &rsdt->Header, sizeof(ACPI_TABLE_HEADER));␊ |
| 244 | ␊ |
| 245 | xsdt_conv->Header.Signature[0] = 'X';␊ |
| 246 | xsdt_conv->Header.Signature[1] = 'S';␊ |
| 247 | xsdt_conv->Header.Signature[2] = 'D';␊ |
| 248 | xsdt_conv->Header.Signature[3] = 'T';␊ |
| 249 | xsdt_conv->Header.Length = sizeof(ACPI_TABLE_HEADER)+(num_tables * 8);␊ |
| 250 | ␊ |
| 251 | ␉ACPI_TABLE_HEADER **table_array = (ACPI_TABLE_HEADER **) rsdt->TableOffsetEntry;␊ |
| 252 | ␉␊ |
| 253 | for (index=0;index<num_tables;index++)␊ |
| 254 | {␊ |
| 255 | ␉␉if (GetChecksum(table_array[index], table_array[index]->Length) == 0) {␊ |
| 256 | ␉␉␉␊ |
| 257 | ␉␉␉if ((*(U32 *) (table_array[index]->Signature) == NAMESEG(ACPI_SIG_FADT))){␊ |
| 258 | ␉␉␉␉ACPI_TABLE_FADT *FacpPointer = ((ACPI_TABLE_FADT*)table_array[index]);␊ |
| 259 | ␉␉␉␉ACPI_TABLE_FADT *fadt_mod = (ACPI_TABLE_FADT *)patch_fadt(FacpPointer,((ACPI_TABLE_DSDT*)FacpPointer->Dsdt),true);␊ |
| 260 | ␉␉␉␉if (fadt_mod == (void*)0ul) {␊ |
| 261 | ␉␉␉␉␉printf("Error: Failed to patch (& update) FADT Table, fallback to original fadt pointer\n");␊ |
| 262 | ␉␉␉␉␉fadt_mod = FacpPointer;␊ |
| 263 | ␉␉␉␉}␊ |
| 264 | ␉␉␉␉xsdt_conv->TableOffsetEntry[index] = ((U64)((U32)fadt_mod));␊ |
| 265 | ␉␉␉␉␊ |
| 266 | ␉␉␉␉continue;␊ |
| 267 | ␉␉␉}␊ |
| 268 | ␉␉␉xsdt_conv->TableOffsetEntry[index] = ((U64)((U32)table_array[index])); ␊ |
| 269 | }␊ |
| 270 | ␊ |
| 271 | }␊ |
| 272 | ␊ |
| 273 | SetChecksum(&xsdt_conv->Header);␊ |
| 274 | ␊ |
| 275 | return xsdt_conv;␊ |
| 276 | }␊ |
| 277 | ␊ |
| 278 | void *loadACPITable(char *dirspec, char *filename )␊ |
| 279 | {␉␊ |
| 280 | ␉int fd = -1;␊ |
| 281 | ␉char acpi_file[512];␊ |
| 282 | ␊ |
| 283 | ␉DBG("Searching for %s file ...\n", filename);␊ |
| 284 | ␉// Check booting partition␉␊ |
| 285 | ␉␊ |
| 286 | ␉sprintf(acpi_file, "%s%s",dirspec, filename); ␊ |
| 287 | ␉␊ |
| 288 | ␉fd=open(acpi_file);␊ |
| 289 | ␉␊ |
| 290 | ␉if (fd<0)␊ |
| 291 | ␉{␉␉␉␉␉␉␉␊ |
| 292 | ␉␉DBG("Couldn't open ACPI Table: %s\n", acpi_file);␊ |
| 293 | ␉␉return (void *)0ul ;␉␉␉␉␊ |
| 294 | ␉}␉␉␊ |
| 295 | ␉␊ |
| 296 | ␉void *tableAddr=(void*)malloc(file_size (fd));␊ |
| 297 | ␊ |
| 298 | ␉if (tableAddr)␊ |
| 299 | ␉{␊ |
| 300 | ␉␉if (read (fd, tableAddr, file_size (fd))!=file_size (fd))␊ |
| 301 | ␉␉{␊ |
| 302 | ␉␉␉printf("Couldn't read table %s\n",acpi_file);␊ |
| 303 | ␉␉␉free (tableAddr);␊ |
| 304 | ␉␉␉close (fd);␊ |
| 305 | ␉␉␉return (void *)0ul ;␊ |
| 306 | ␉␉}␊ |
| 307 | ␉␉␊ |
| 308 | ␉␉close (fd);␊ |
| 309 | ␉␉␊ |
| 310 | ␉␉ACPI_TABLE_HEADER * header = (ACPI_TABLE_HEADER *)tableAddr;␊ |
| 311 | ␉␉␊ |
| 312 | ␉␉if (GetChecksum(header, header->Length) == 0) {␊ |
| 313 | ␉␉␉DBG("Found valid ACPI file : %s", filename);␊ |
| 314 | ␉␉␉DBG(", Table %s read and stored at: %x", acpi_file, tableAddr);␊ |
| 315 | ␉␉␉DBG("\n");␊ |
| 316 | ␉␉␉return tableAddr;␊ |
| 317 | ␉␉} else {␊ |
| 318 | ␉␉␉printf("Warning : Incorrect cheksum for the file : %s,");␊ |
| 319 | ␉␉␉printf("␉␉ this file will be dropped.\n");␊ |
| 320 | ␉␉␉free(tableAddr);␊ |
| 321 | ␉␉␉return (void*)0ul;␊ |
| 322 | ␉␉}␉␉␊ |
| 323 | ␉}␊ |
| 324 | ␉␊ |
| 325 | ␉printf("Couldn't allocate memory for table %s\n", acpi_file);␊ |
| 326 | ␉close (fd);␊ |
| 327 | ␉␊ |
| 328 | ␉return (void *)0ul ;␊ |
| 329 | }␊ |
| 330 | ␊ |
| 331 | /*␊ |
| 332 | * License for␊ |
| 333 | * print_nameseg, generate_cpu_map_from_acpi, sprintf_nameseg .␊ |
| 334 | *␊ |
| 335 | Copyright (c) 2010, Intel Corporation␊ |
| 336 | All rights reserved.␊ |
| 337 | ␊ |
| 338 | Redistribution and use in source and binary forms, with or without␊ |
| 339 | modification, are permitted provided that the following conditions are met:␊ |
| 340 | ␊ |
| 341 | * Redistributions of source code must retain the above copyright notice,␊ |
| 342 | this list of conditions and the following disclaimer.␊ |
| 343 | * Redistributions in binary form must reproduce the above copyright notice,␊ |
| 344 | this list of conditions and the following disclaimer in the documentation␊ |
| 345 | and/or other materials provided with the distribution.␊ |
| 346 | * Neither the name of Intel Corporation nor the names of its contributors␊ |
| 347 | may be used to endorse or promote products derived from this software␊ |
| 348 | without specific prior written permission.␊ |
| 349 | ␊ |
| 350 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND␊ |
| 351 | ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED␊ |
| 352 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE␊ |
| 353 | DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR␊ |
| 354 | ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES␊ |
| 355 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;␊ |
| 356 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON␊ |
| 357 | ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT␊ |
| 358 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS␊ |
| 359 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.␊ |
| 360 | */␊ |
| 361 | static U32 pmbase;␊ |
| 362 | static short cpuNamespace;␊ |
| 363 | PROCESSOR_NUMBER_TO_NAMESEG cpu_map[CPU_MAP_LIMIT];␊ |
| 364 | unsigned int cpu_map_count;␊ |
| 365 | int cpu_map_error;␊ |
| 366 | ␊ |
| 367 | #if DEBUG_ACPI␊ |
| 368 | static void print_nameseg(U32 i)␊ |
| 369 | {␊ |
| 370 | printf("%c%c%c%c",␊ |
| 371 | (int)(i & 0x000000ff),␊ |
| 372 | (int)((i & 0x0000ff00) >> 8),␊ |
| 373 | (int)((i & 0x00ff0000) >> 16),␊ |
| 374 | (int)(i >> 24));␊ |
| 375 | }␊ |
| 376 | ␊ |
| 377 | static void sprintf_nameseg(char* dest, U32 src)␊ |
| 378 | {␊ |
| 379 | sprintf(dest,"%c%c%c%c",␊ |
| 380 | (int)(src & 0x000000ff),␊ |
| 381 | (int)((src & 0x0000ff00) >> 8),␊ |
| 382 | (int)((src & 0x00ff0000) >> 16),␊ |
| 383 | (int)(src >> 24));␊ |
| 384 | }␊ |
| 385 | #endif␊ |
| 386 | ␊ |
| 387 | static int generate_cpu_map_from_acpi(ACPI_TABLE_DSDT * DsdtPointer)␊ |
| 388 | {␊ |
| 389 | PROCESSOR_NUMBER_TO_NAMESEG *map = cpu_map;␊ |
| 390 | U32 processor_namespace = 0;␊ |
| 391 | U32 cpu;␊ |
| 392 | U8 *current, *end;␊ |
| 393 | ACPI_TABLE_HEADER *header;␊ |
| 394 | struct acpi_namespace ns;␊ |
| 395 | ␉␉␊ |
| 396 | ␉if ((cpu_map_error == 1) || (DsdtPointer == (void*)0ul)) ␊ |
| 397 | ␉␉return 1;␊ |
| 398 | ␉else if (cpu_map_count > 0) ␊ |
| 399 | ␉␉return 0;␊ |
| 400 | ␉␊ |
| 401 | DBG("Attempting to autodetect CPU map from ACPI DSDT; wish me luck\n");␉␊ |
| 402 | ␊ |
| 403 | current = (U8 *) DsdtPointer;␊ |
| 404 | current = decodeTableHeader(current, &header);␊ |
| 405 | end = current - sizeof(*header) + header->Length;␊ |
| 406 | ns.depth = 0;␊ |
| 407 | acpi_processor_count = 0;␊ |
| 408 | ␉DBG("* DSDT debug start\n");␊ |
| 409 | parse_acpi_termlist(&ns, current, end);␊ |
| 410 | ␉DBG("* DSDT debug end\n");␊ |
| 411 | ␉␊ |
| 412 | if (acpi_processor_count > CPU_MAP_LIMIT){␊ |
| 413 | ␉␉verbose("Too many processors: found %u processors\n", acpi_processor_count);␊ |
| 414 | return (cpu_map_error = 1);␊ |
| 415 | ␉}␊ |
| 416 | if (acpi_processor_count == 0){␊ |
| 417 | ␉␉verbose( "Found no processors in ACPI\n");␊ |
| 418 | return (cpu_map_error = 1);␊ |
| 419 | ␉}␊ |
| 420 | for (cpu = 0; cpu < acpi_processor_count; cpu++) {␊ |
| 421 | U32 nameseg;␊ |
| 422 | if (acpi_processors[cpu].pmbase) {␊ |
| 423 | U32 cpu_pmbase = acpi_processors[cpu].pmbase - 0x10;␊ |
| 424 | if (pmbase && cpu_pmbase != pmbase){␊ |
| 425 | ␉␉␉␉verbose("Found inconsistent pmbase addresses in ACPI: 0x%x and 0x%x\n", pmbase, cpu_pmbase);␊ |
| 426 | ␉␉␉␉return (cpu_map_error = 1);␊ |
| 427 | ␉␉␉}␊ |
| 428 | pmbase = cpu_pmbase;␊ |
| 429 | }␊ |
| 430 | if (acpi_processors[cpu].ns.depth > MAX_SUPPORTED_CPU_NAMESEGS + 1){␊ |
| 431 | ␉␉␉verbose("Processor path too deep: depth %u\n", acpi_processors[cpu].ns.depth);␊ |
| 432 | ␉␉␉return (cpu_map_error = 1);␊ |
| 433 | ␉␉}␊ |
| 434 | if (processor_namespace && acpi_processors[cpu].ns.nameseg[0] != processor_namespace){␊ |
| 435 | ␉␉␉verbose("Processor namespaces inconsistent\n");␊ |
| 436 | ␉␉␉return (cpu_map_error = 1);␊ |
| 437 | ␉␉}␊ |
| 438 | processor_namespace = acpi_processors[cpu].ns.nameseg[0];␊ |
| 439 | map->acpi_processor_number = acpi_processors[cpu].id;␊ |
| 440 | map->seg_count = acpi_processors[cpu].ns.depth - 1;␊ |
| 441 | for (nameseg = 0; nameseg < map->seg_count; nameseg++)␊ |
| 442 | map->nameseg[nameseg] = acpi_processors[cpu].ns.nameseg[nameseg + 1];␊ |
| 443 | map++;␊ |
| 444 | }␊ |
| 445 | if (!pmbase){␊ |
| 446 | ␉␉verbose("No pmbase found in ACPI\n");␊ |
| 447 | ␉␉return (cpu_map_error = 1);␊ |
| 448 | ␉}␊ |
| 449 | if (processor_namespace == NAMESEG("_PR_"))␊ |
| 450 | cpuNamespace = CPU_NAMESPACE_PR;␊ |
| 451 | else if (processor_namespace == NAMESEG("_SB_"))␊ |
| 452 | cpuNamespace = CPU_NAMESPACE_SB;␊ |
| 453 | else {␊ |
| 454 | verbose("Found processors in invalid namespace; not _PR_ or _SB_\n");␊ |
| 455 | ␉␉return (cpu_map_error = 1);␊ |
| 456 | ␉}␊ |
| 457 | cpu_map_count = map - cpu_map;␊ |
| 458 | ␉␊ |
| 459 | #if DEBUG_ACPI␊ |
| 460 | ␉char pns[3]; ␊ |
| 461 | ␉sprintf_nameseg(pns,processor_namespace);␊ |
| 462 | ␉verbose("Found %d processors in ACPI, pmbase : 0x%x, cpu_map_count : %d, namespace : %s \n",acpi_processor_count, pmbase, cpu_map_count ,pns );␊ |
| 463 | ␉␊ |
| 464 | getc();␊ |
| 465 | U32 i;␊ |
| 466 | verbose("Found processors name : \n" );␊ |
| 467 | for ( i = 0; i<cpu_map_count; i++) {␉␉␉␊ |
| 468 | char pname[3]; ␊ |
| 469 | sprintf_nameseg(pname, *cpu_map[i].nameseg);␊ |
| 470 | verbose(" %s ",pname );␊ |
| 471 | ␊ |
| 472 | }␊ |
| 473 | verbose("\n");␊ |
| 474 | ␉getc();␊ |
| 475 | #endif␊ |
| 476 | ␉␊ |
| 477 | ␉// TODO: Save the cpu map into the device tree␊ |
| 478 | return (cpu_map_error = 0);␊ |
| 479 | }␊ |
| 480 | ␊ |
| 481 | ACPI_TABLE_SSDT *generate_cst_ssdt(ACPI_TABLE_FADT* fadt)␊ |
| 482 | {␉␊ |
| 483 | ␉char ssdt_header[] =␊ |
| 484 | ␉{␊ |
| 485 | ␉␉0x53, 0x53, 0x44, 0x54, 0xE7, 0x00, 0x00, 0x00, /* SSDT.... */␊ |
| 486 | ␉␉0x01, 0x17, 0x50, 0x6D, 0x52, 0x65, 0x66, 0x41, /* ..PmRefA */␊ |
| 487 | ␉␉0x43, 0x70, 0x75, 0x43, 0x73, 0x74, 0x00, 0x00, /* CpuCst.. */␊ |
| 488 | ␉␉0x00, 0x10, 0x00, 0x00, 0x49, 0x4E, 0x54, 0x4C, /* ....INTL */␊ |
| 489 | ␉␉0x31, 0x03, 0x10, 0x20 ␉␉␉␉␉␉␉/* 1.._␉␉*/␊ |
| 490 | ␉};␊ |
| 491 | ␉␊ |
| 492 | ␉char cstate_resource_template[] = ␊ |
| 493 | ␉{␊ |
| 494 | ␉␉0x11, 0x14, 0x0A, 0x11, 0x82, 0x0C, 0x00, 0x7F, ␊ |
| 495 | ␉␉0x01, 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, ␊ |
| 496 | ␉␉0x00, 0x00, 0x00, 0x79, 0x00␊ |
| 497 | ␉};␊ |
| 498 | ␉␊ |
| 499 | ␉if (Platform->CPU.Vendor != 0x756E6547) {␊ |
| 500 | ␉␉verbose ("Not an Intel platform: C-States will not be generated !!!\n");␊ |
| 501 | ␉␉return (void *)0ul;␊ |
| 502 | ␉}␊ |
| 503 | ␉␊ |
| 504 | ␉if (fadt == (void *)0ul) {␊ |
| 505 | ␉␉verbose ("FACP not exists: C-States will not be generated !!!\n");␊ |
| 506 | ␉␉return (void *)0ul;␊ |
| 507 | ␉}␊ |
| 508 | ␊ |
| 509 | ␉ACPI_TABLE_DSDT* dsdt = ((fadt->Header.Revision >= 3) && (fadt->XDsdt != 0)) ? (ACPI_TABLE_DSDT*)((U32)fadt->XDsdt):(ACPI_TABLE_DSDT*)fadt->Dsdt;␊ |
| 510 | ␉if (dsdt == (void *)0ul) {␊ |
| 511 | ␉␉verbose ("DSDT not found: C-States will not be generated !!!\n");␊ |
| 512 | ␉␉return (void *)0ul;␊ |
| 513 | ␉}␊ |
| 514 | ␉␉␊ |
| 515 | ␉if (generate_cpu_map_from_acpi(dsdt) == 0) ␊ |
| 516 | ␉{␊ |
| 517 | ␉␉bool c2_enabled = fadt->C2Latency < 100;␊ |
| 518 | ␉␉bool c3_enabled = fadt->C3Latency < 1000;␊ |
| 519 | ␉␉bool c4_enabled = false;␊ |
| 520 | ␉␉␊ |
| 521 | ␉␉getBoolForKey(kEnableC4State, &c4_enabled, &bootInfo->bootConfig);␊ |
| 522 | ␊ |
| 523 | ␉␉unsigned char cstates_count = 1 + (c2_enabled ? 1 : 0) + ((c3_enabled || c4_enabled) ? 1 : 0);␊ |
| 524 | ␉␉char *Lat = NULL, *Pw = NULL, *tmpstr =NULL;␊ |
| 525 | ␉␉int base = 16;␊ |
| 526 | ␉␉TagPtr personality = XMLCastDict(XMLGetProperty(bootInfo->bootConfig.dictionary, (const char*)"C-States"));␊ |
| 527 | ␉␉␊ |
| 528 | ␉␉if ((tmpstr = XMLCastString(XMLGetProperty(personality, (const char*)"Base")))) {␊ |
| 529 | ␉␉␉␊ |
| 530 | ␉␉␉int mybase = strtol(tmpstr, NULL, 10);␉␊ |
| 531 | ␉␉␉␊ |
| 532 | ␉␉␉if (mybase == 8 || mybase == 10 || mybase == 16 ) ␊ |
| 533 | ␉␉␉␉base = mybase;␉␉␉␉␉␉␉␉␉␊ |
| 534 | ␉␉}␊ |
| 535 | ␉␉␊ |
| 536 | ␉␉struct aml_chunk* root = aml_create_node(NULL);␊ |
| 537 | aml_add_buffer(root, ssdt_header, sizeof(ssdt_header)); // SSDT header␊ |
| 538 | struct aml_chunk* scop;␊ |
| 539 | ␉␉if (cpuNamespace == CPU_NAMESPACE_PR) ␊ |
| 540 | ␉␉␉scop = aml_add_scope(root, "\\_PR_");␊ |
| 541 | ␉␉else if (cpuNamespace == CPU_NAMESPACE_SB) ␊ |
| 542 | ␉␉␉scop = aml_add_scope(root, "\\_SB_");␊ |
| 543 | ␉␉else ␊ |
| 544 | ␉␉{␊ |
| 545 | ␉␉␉aml_destroy_node(root);␉␊ |
| 546 | ␉␉␉goto out;␊ |
| 547 | ␉␉}␊ |
| 548 | struct aml_chunk* name = aml_add_name(scop, "CST_");␊ |
| 549 | struct aml_chunk* pack = aml_add_package(name);␊ |
| 550 | aml_add_byte(pack, cstates_count);␊ |
| 551 | ␉␉␊ |
| 552 | struct aml_chunk* tmpl = aml_add_package(pack);␊ |
| 553 | TagPtr match_Status = XMLGetProperty(personality, (const char*)"C1");␊ |
| 554 | if (match_Status) {␉␊ |
| 555 | Pw = XMLCastString(XMLGetProperty(match_Status, (const char*)"Power"));␊ |
| 556 | Lat = XMLCastString(XMLGetProperty(match_Status, (const char*)"Latency"));␊ |
| 557 | }␊ |
| 558 | cstate_resource_template[11] = 0x00; // C1␊ |
| 559 | aml_add_buffer(tmpl, cstate_resource_template, sizeof(cstate_resource_template));␊ |
| 560 | aml_add_byte(tmpl, 0x01); // C1␊ |
| 561 | aml_add_byte(tmpl, (unsigned char)resolve_cst(0x01, Lat, base)); // Latency␊ |
| 562 | aml_add_word(tmpl, resolve_cst(0x03e8, Pw, base)); // Power␊ |
| 563 | ␉␉// C2␊ |
| 564 | ␉␉if (c2_enabled) ␊ |
| 565 | ␉␉{␊ |
| 566 | ␉␉␉tmpl = aml_add_package(pack);␊ |
| 567 | ␉␉␉Lat = NULL; ␊ |
| 568 | ␉␉␉Pw = NULL;␊ |
| 569 | ␉␉␉match_Status = XMLGetProperty(personality, (const char*)"C2");␊ |
| 570 | ␉␉␉if (match_Status) {␉␊ |
| 571 | ␉␉␉␉Pw = XMLCastString(XMLGetProperty(match_Status, (const char*)"Power"));␊ |
| 572 | ␉␉␉␉Lat = XMLCastString(XMLGetProperty(match_Status, (const char*)"Latency"));␊ |
| 573 | ␉␉␉}␊ |
| 574 | ␉␉␉␊ |
| 575 | ␉␉␉cstate_resource_template[11] = 0x10; // C2␊ |
| 576 | ␉␉␉aml_add_buffer(tmpl, cstate_resource_template, sizeof(cstate_resource_template));␊ |
| 577 | ␉␉␉aml_add_byte(tmpl, 0x02); // C2␉␉␉␉␊ |
| 578 | ␉␉␉aml_add_word(tmpl, resolve_cst(fadt->C2Latency, Lat, base)); // Latency␊ |
| 579 | ␉␉␉aml_add_word(tmpl, resolve_cst(0x01f4, Pw, base)); // Power␊ |
| 580 | ␉␉}␊ |
| 581 | ␉␉␊ |
| 582 | ␉␉// C4␊ |
| 583 | ␉␉if (c4_enabled) ␊ |
| 584 | ␉␉{␊ |
| 585 | ␉␉␉tmpl = aml_add_package(pack);␊ |
| 586 | ␉␉␉Lat = NULL; ␊ |
| 587 | ␉␉␉Pw = NULL;␊ |
| 588 | ␉␉␉match_Status = XMLGetProperty(personality, (const char*)"C4"); ␊ |
| 589 | ␉␉␉if (match_Status) {␉␊ |
| 590 | ␉␉␉␉Pw = XMLCastString(XMLGetProperty(match_Status, (const char*)"Power"));␊ |
| 591 | ␉␉␉␉Lat = XMLCastString(XMLGetProperty(match_Status, (const char*)"Latency"));␊ |
| 592 | ␉␉␉}␊ |
| 593 | ␉␉␉cstate_resource_template[11] = 0x30; // C4␊ |
| 594 | ␉␉␉aml_add_buffer(tmpl, cstate_resource_template, sizeof(cstate_resource_template));␊ |
| 595 | ␉␉␉aml_add_byte(tmpl, 0x04); // C4␉␊ |
| 596 | ␉␉␉aml_add_word(tmpl, resolve_cst(fadt->C3Latency / 2, Lat, base)); // TODO: right latency for C4␊ |
| 597 | ␉␉␉aml_add_word(tmpl, resolve_cst(0xfa, Pw, base)); // Power␊ |
| 598 | ␉␉␉␊ |
| 599 | ␉␉}␉␉␊ |
| 600 | ␉␉// C3␊ |
| 601 | ␉␉else if (c3_enabled) ␊ |
| 602 | ␉␉{␊ |
| 603 | ␉␉␉tmpl = aml_add_package(pack);␊ |
| 604 | ␉␉␉Lat = NULL; ␊ |
| 605 | ␉␉␉Pw = NULL;␊ |
| 606 | ␉␉␉match_Status = XMLGetProperty(personality, (const char*)"C3"); ␊ |
| 607 | ␉␉␉if (match_Status) {␉␊ |
| 608 | ␉␉␉␉Pw = XMLCastString(XMLGetProperty(match_Status, (const char*)"Power"));␊ |
| 609 | ␉␉␉␉Lat = XMLCastString(XMLGetProperty(match_Status, (const char*)"Latency"));␊ |
| 610 | ␉␉␉}␊ |
| 611 | ␉␉␉cstate_resource_template[11] = 0x20; // C3␊ |
| 612 | ␉␉␉aml_add_buffer(tmpl, cstate_resource_template, sizeof(cstate_resource_template));␊ |
| 613 | ␉␉␉aml_add_byte(tmpl, 0x03); // C3␉␉␉␉␊ |
| 614 | ␉␉␉aml_add_word(tmpl, resolve_cst(fadt->C3Latency , Lat, base)); ␊ |
| 615 | ␉␉␉aml_add_word(tmpl, resolve_cst(0x015e, Pw, base)); // Power␊ |
| 616 | ␉␉␉␊ |
| 617 | ␉␉}␊ |
| 618 | ␉␉ ␊ |
| 619 | // Aliaces␊ |
| 620 | unsigned int i;␊ |
| 621 | for (i = 0; i < cpu_map_count; i++) ␊ |
| 622 | {␊ |
| 623 | char name[9];␊ |
| 624 | U32 nseg = *(U32*)cpu_map[i].nameseg;␊ |
| 625 | if (cpuNamespace == CPU_NAMESPACE_PR) {␊ |
| 626 | sprintf(name, "_PR_%c%c%c%c",␊ |
| 627 | (int)(nseg & 0x000000ff),␊ |
| 628 | (int)((nseg & 0x0000ff00) >> 8),␊ |
| 629 | (int)((nseg & 0x00ff0000) >> 16),␊ |
| 630 | (int)(nseg >> 24));␊ |
| 631 | } else if (cpuNamespace == CPU_NAMESPACE_SB) {␊ |
| 632 | sprintf(name, "_SB_%c%c%c%c",␊ |
| 633 | (int)(nseg & 0x000000ff),␊ |
| 634 | (int)((nseg & 0x0000ff00) >> 8),␊ |
| 635 | (int)((nseg & 0x00ff0000) >> 16),␊ |
| 636 | (int)(nseg >> 24));␊ |
| 637 | } else {␊ |
| 638 | aml_destroy_node(root);␉␊ |
| 639 | goto out;␊ |
| 640 | }␊ |
| 641 | ␊ |
| 642 | scop = aml_add_scope(root, name);␊ |
| 643 | aml_add_alias(scop, "CST_", "_CST");␊ |
| 644 | }␊ |
| 645 | ␉␉␊ |
| 646 | ␉␉aml_calculate_size(root);␊ |
| 647 | ␉␉␊ |
| 648 | ␉␉ACPI_TABLE_SSDT *ssdt = (ACPI_TABLE_SSDT *)AllocateKernelMemory(root->Size);␊ |
| 649 | ␊ |
| 650 | ␉␉aml_write_node(root, (void*)ssdt, 0);␊ |
| 651 | ␉␉␊ |
| 652 | ␉␉ssdt->Header.Length = root->Size; ␊ |
| 653 | ␉␉␊ |
| 654 | ␉␉SetChecksum(&ssdt->Header);␊ |
| 655 | ␊ |
| 656 | ␉␉aml_destroy_node(root);␉␉␊ |
| 657 | ␊ |
| 658 | ␉␉verbose ("SSDT with CPU C-States generated successfully\n");␊ |
| 659 | ␉␉␊ |
| 660 | ␉␉return ssdt;␊ |
| 661 | ␉}␊ |
| 662 | ␉else ␊ |
| 663 | ␉{␊ |
| 664 | out:␊ |
| 665 | ␉␉verbose ("ACPI CPUs not found: C-States will not be generated !!!\n");␊ |
| 666 | ␉}␊ |
| 667 | ␊ |
| 668 | ␉return (void *)0ul;␊ |
| 669 | }␊ |
| 670 | ␊ |
| 671 | ACPI_TABLE_SSDT *generate_pss_ssdt(ACPI_TABLE_DSDT* dsdt)␊ |
| 672 | {␉␉␊ |
| 673 | ␉␊ |
| 674 | ␉char ssdt_header[] =␊ |
| 675 | ␉{␊ |
| 676 | ␉␉0x53, 0x53, 0x44, 0x54, 0x7E, 0x00, 0x00, 0x00, /* SSDT.... */␊ |
| 677 | ␉␉0x01, 0x6A, 0x50, 0x6D, 0x52, 0x65, 0x66, 0x00, /* ..PmRef. */␊ |
| 678 | ␉␉0x43, 0x70, 0x75, 0x50, 0x6D, 0x00, 0x00, 0x00, /* CpuPm... */␊ |
| 679 | ␉␉0x00, 0x30, 0x00, 0x00, 0x49, 0x4E, 0x54, 0x4C, /* .0..INTL */␊ |
| 680 | ␉␉0x31, 0x03, 0x10, 0x20,␉␉␉␉␉␉␉/* 1.._␉␉*/␊ |
| 681 | ␉};␊ |
| 682 | ␊ |
| 683 | ␉if (Platform->CPU.Vendor != 0x756E6547) {␊ |
| 684 | ␉␉verbose ("Not an Intel platform: P-States will not be generated !!!\n");␊ |
| 685 | ␉␉return (void *)0ul;␊ |
| 686 | ␉}␊ |
| 687 | ␉␊ |
| 688 | ␉if (!(Platform->CPU.Features & CPUID_FEATURE_MSR)) {␊ |
| 689 | ␉␉verbose ("Unsupported CPU: P-States will not be generated !!!\n");␊ |
| 690 | ␉␉return (void *)0ul;␊ |
| 691 | ␉}␊ |
| 692 | ␉␊ |
| 693 | ␉if (dsdt == (void *)0ul) {␊ |
| 694 | ␉␉verbose ("DSDT not found: P-States will not be generated !!!\n");␊ |
| 695 | ␉␉return (void *)0ul;␊ |
| 696 | ␉}␊ |
| 697 | ␉␉ ␊ |
| 698 | ␉if (generate_cpu_map_from_acpi(dsdt) == 0 ) ␊ |
| 699 | ␉{␊ |
| 700 | ␉␉struct p_state initial, maximum, minimum, p_states[32];␊ |
| 701 | ␉␉U8 p_states_count = 0;␉␉␊ |
| 702 | ␉␉␊ |
| 703 | ␉␉// Retrieving P-States, ported from code by superhai (c)␊ |
| 704 | ␉␉switch (Platform->CPU.Family) {␊ |
| 705 | ␉␉␉case 0x06: ␊ |
| 706 | ␉␉␉{␊ |
| 707 | ␉␉␉␉switch (Platform->CPU.Model) ␊ |
| 708 | ␉␉␉␉{␊ |
| 709 | ␉␉␉␉␉case CPUID_MODEL_DOTHAN: ␊ |
| 710 | ␉␉␉␉␉case CPUID_MODEL_YONAH: // Yonah␊ |
| 711 | ␉␉␉␉␉case CPUID_MODEL_MEROM: // Merom␊ |
| 712 | ␉␉␉␉␉case CPUID_MODEL_PENRYN: // Penryn␊ |
| 713 | ␉␉␉␉␉case CPUID_MODEL_ATOM: // Intel Atom (45nm)␊ |
| 714 | ␉␉␉␉␉{␊ |
| 715 | ␉␉␉␉␉␉bool cpu_dynamic_fsb = false;␊ |
| 716 | ␉␉␉␉␉␉␊ |
| 717 | ␉␉␉␉␉␉if (rdmsr64(MSR_IA32_EXT_CONFIG) & (1 << 27)) ␊ |
| 718 | ␉␉␉␉␉␉{␊ |
| 719 | ␉␉␉␉␉␉␉wrmsr64(MSR_IA32_EXT_CONFIG, (rdmsr64(MSR_IA32_EXT_CONFIG) | (1 << 28))); ␊ |
| 720 | ␉␉␉␉␉␉␉delay(1);␊ |
| 721 | ␉␉␉␉␉␉␉cpu_dynamic_fsb = rdmsr64(MSR_IA32_EXT_CONFIG) & (1 << 28);␊ |
| 722 | ␉␉␉␉␉␉}␊ |
| 723 | ␉␉␉␉␉␉␊ |
| 724 | ␉␉␉␉␉␉bool cpu_noninteger_bus_ratio = (rdmsr64(MSR_IA32_PERF_STATUS) & (1ULL << 46));␊ |
| 725 | ␉␉␉␉␉␉␊ |
| 726 | ␉␉␉␉␉␉initial.Control = rdmsr64(MSR_IA32_PERF_STATUS);␊ |
| 727 | ␉␉␉␉␉␉␊ |
| 728 | ␉␉␉␉␉␉maximum.Control = ((rdmsr64(MSR_IA32_PERF_STATUS) >> 32) & 0x1F3F) | (0x4000 * cpu_noninteger_bus_ratio);␊ |
| 729 | ␉␉␉␉␉␉maximum.CID = ((maximum.FID & 0x1F) << 1) | cpu_noninteger_bus_ratio;␊ |
| 730 | ␉␉␉␉␉␉␊ |
| 731 | ␉␉␉␉␉␉minimum.FID = ((rdmsr64(MSR_IA32_PERF_STATUS) >> 24) & 0x1F) | (0x80 * cpu_dynamic_fsb);␊ |
| 732 | ␉␉␉␉␉␉minimum.VID = ((rdmsr64(MSR_IA32_PERF_STATUS) >> 48) & 0x3F);␊ |
| 733 | ␉␉␉␉␉␉␊ |
| 734 | ␉␉␉␉␉␉if (minimum.FID == 0) ␊ |
| 735 | ␉␉␉␉␉␉{␊ |
| 736 | ␉␉␉␉␉␉␉U64 msr;␊ |
| 737 | ␉␉␉␉␉␉␉U8 i;␊ |
| 738 | ␉␉␉␉␉␉␉// Probe for lowest fid␊ |
| 739 | ␉␉␉␉␉␉␉for (i = maximum.FID; i >= 0x6; i--) ␊ |
| 740 | ␉␉␉␉␉␉␉{␊ |
| 741 | ␉␉␉␉␉␉␉␉msr = rdmsr64(MSR_IA32_PERF_CONTROL);␊ |
| 742 | ␉␉␉␉␉␉␉␉wrmsr64(MSR_IA32_PERF_CONTROL, (msr & 0xFFFFFFFFFFFF0000ULL) | (i << 8) | minimum.VID);␊ |
| 743 | ␉␉␉␉␉␉␉␉intel_waitforsts();␊ |
| 744 | ␉␉␉␉␉␉␉␉minimum.FID = (rdmsr64(MSR_IA32_PERF_STATUS) >> 8) & 0x1F; ␊ |
| 745 | ␉␉␉␉␉␉␉␉delay(1);␊ |
| 746 | ␉␉␉␉␉␉␉}␊ |
| 747 | ␉␉␉␉␉␉␉␊ |
| 748 | ␉␉␉␉␉␉␉msr = rdmsr64(MSR_IA32_PERF_CONTROL);␊ |
| 749 | ␉␉␉␉␉␉␉wrmsr64(MSR_IA32_PERF_CONTROL, (msr & 0xFFFFFFFFFFFF0000ULL) | (maximum.FID << 8) | maximum.VID);␊ |
| 750 | ␉␉␉␉␉␉␉intel_waitforsts();␊ |
| 751 | ␉␉␉␉␉␉}␊ |
| 752 | ␉␉␉␉␉␉␊ |
| 753 | ␉␉␉␉␉␉if (minimum.VID == maximum.VID) ␊ |
| 754 | ␉␉␉␉␉␉{␉␊ |
| 755 | ␉␉␉␉␉␉␉U64 msr;␊ |
| 756 | ␉␉␉␉␉␉␉U8 i;␊ |
| 757 | ␉␉␉␉␉␉␉// Probe for lowest vid␊ |
| 758 | ␉␉␉␉␉␉␉for (i = maximum.VID; i > 0xA; i--) ␊ |
| 759 | ␉␉␉␉␉␉␉{␊ |
| 760 | ␉␉␉␉␉␉␉␉msr = rdmsr64(MSR_IA32_PERF_CONTROL);␊ |
| 761 | ␉␉␉␉␉␉␉␉wrmsr64(MSR_IA32_PERF_CONTROL, (msr & 0xFFFFFFFFFFFF0000ULL) | (minimum.FID << 8) | i);␊ |
| 762 | ␉␉␉␉␉␉␉␉intel_waitforsts();␊ |
| 763 | ␉␉␉␉␉␉␉␉minimum.VID = rdmsr64(MSR_IA32_PERF_STATUS) & 0x3F; ␊ |
| 764 | ␉␉␉␉␉␉␉␉delay(1);␊ |
| 765 | ␉␉␉␉␉␉␉}␊ |
| 766 | ␉␉␉␉␉␉␉␊ |
| 767 | ␉␉␉␉␉␉␉msr = rdmsr64(MSR_IA32_PERF_CONTROL);␊ |
| 768 | ␉␉␉␉␉␉␉wrmsr64(MSR_IA32_PERF_CONTROL, (msr & 0xFFFFFFFFFFFF0000ULL) | (maximum.FID << 8) | maximum.VID);␊ |
| 769 | ␉␉␉␉␉␉␉intel_waitforsts();␊ |
| 770 | ␉␉␉␉␉␉}␊ |
| 771 | ␉␉␉␉␉␉␊ |
| 772 | ␉␉␉␉␉␉minimum.CID = ((minimum.FID & 0x1F) << 1) >> cpu_dynamic_fsb;␊ |
| 773 | ␉␉␉␉␉␉␊ |
| 774 | ␉␉␉␉␉␉// Sanity check␊ |
| 775 | ␉␉␉␉␉␉if (maximum.CID < minimum.CID) ␊ |
| 776 | ␉␉␉␉␉␉{␊ |
| 777 | ␉␉␉␉␉␉␉DBG("Insane FID values!");␊ |
| 778 | ␉␉␉␉␉␉␉p_states_count = 0;␊ |
| 779 | ␉␉␉␉␉␉}␊ |
| 780 | ␉␉␉␉␉␉else␊ |
| 781 | ␉␉␉␉␉␉{␊ |
| 782 | ␉␉␉␉␉␉␉// Finalize P-States␊ |
| 783 | ␉␉␉␉␉␉␉// Find how many P-States machine supports␊ |
| 784 | ␉␉␉␉␉␉␉p_states_count = maximum.CID - minimum.CID + 1;␊ |
| 785 | ␉␉␉␉␉␉␉␊ |
| 786 | ␉␉␉␉␉␉␉if (p_states_count > 32) ␊ |
| 787 | ␉␉␉␉␉␉␉␉p_states_count = 32;␊ |
| 788 | ␉␉␉␉␉␉␉␊ |
| 789 | ␉␉␉␉␉␉␉U8 vidstep;␊ |
| 790 | ␉␉␉␉␉␉␉U8 i = 0, u, invalid = 0;␊ |
| 791 | ␉␉␉␉␉␉␉␊ |
| 792 | ␉␉␉␉␉␉␉vidstep = ((maximum.VID << 2) - (minimum.VID << 2)) / (p_states_count - 1);␊ |
| 793 | ␉␉␉␉␉␉␉␊ |
| 794 | ␉␉␉␉␉␉␉for (u = 0; u < p_states_count; u++) ␊ |
| 795 | ␉␉␉␉␉␉␉{␊ |
| 796 | ␉␉␉␉␉␉␉␉i = u - invalid;␊ |
| 797 | ␉␉␉␉␉␉␉␉␊ |
| 798 | ␉␉␉␉␉␉␉␉p_states[i].CID = maximum.CID - u;␊ |
| 799 | ␉␉␉␉␉␉␉␉p_states[i].FID = (p_states[i].CID >> 1);␊ |
| 800 | ␉␉␉␉␉␉␉␉␊ |
| 801 | ␉␉␉␉␉␉␉␉if (p_states[i].FID < 0x6) ␊ |
| 802 | ␉␉␉␉␉␉␉␉{␊ |
| 803 | ␉␉␉␉␉␉␉␉␉if (cpu_dynamic_fsb) ␊ |
| 804 | ␉␉␉␉␉␉␉␉␉␉p_states[i].FID = (p_states[i].FID << 1) | 0x80;␊ |
| 805 | ␉␉␉␉␉␉␉␉} ␊ |
| 806 | ␉␉␉␉␉␉␉␉else if (cpu_noninteger_bus_ratio) ␊ |
| 807 | ␉␉␉␉␉␉␉␉{␊ |
| 808 | ␉␉␉␉␉␉␉␉␉p_states[i].FID = p_states[i].FID | (0x40 * (p_states[i].CID & 0x1));␊ |
| 809 | ␉␉␉␉␉␉␉␉}␊ |
| 810 | ␉␉␉␉␉␉␉␉␊ |
| 811 | ␉␉␉␉␉␉␉␉if (i && p_states[i].FID == p_states[i-1].FID)␊ |
| 812 | ␉␉␉␉␉␉␉␉␉invalid++;␊ |
| 813 | ␉␉␉␉␉␉␉␉␊ |
| 814 | ␉␉␉␉␉␉␉␉p_states[i].VID = ((maximum.VID << 2) - (vidstep * u)) >> 2;␊ |
| 815 | ␉␉␉␉␉␉␉␉␊ |
| 816 | ␉␉␉␉␉␉␉␉U32 multiplier = p_states[i].FID & 0x1f;␉␉// = 0x08␊ |
| 817 | ␉␉␉␉␉␉␉␉bool half = p_states[i].FID & 0x40;␉␉␉␉␉// = 0x01␊ |
| 818 | ␉␉␉␉␉␉␉␉bool dfsb = p_states[i].FID & 0x80;␉␉␉␉␉// = 0x00␊ |
| 819 | ␉␉␉␉␉␉␉␉U32 fsb = Platform->CPU.FSBFrequency / 1000000; // = 400␊ |
| 820 | ␉␉␉␉␉␉␉␉U32 halffsb = (fsb + 1) >> 1;␉␉␉␉␉// = 200␊ |
| 821 | ␉␉␉␉␉␉␉␉U32 frequency = (multiplier * fsb);␉␉␉// = 3200␊ |
| 822 | ␉␉␉␉␉␉␉␉␊ |
| 823 | ␉␉␉␉␉␉␉␉p_states[i].Frequency = (frequency + (half * halffsb)) >> dfsb;␉// = 3200 + 200 = 3400␊ |
| 824 | ␉␉␉␉␉␉␉}␊ |
| 825 | ␉␉␉␉␉␉␉␊ |
| 826 | ␉␉␉␉␉␉␉p_states_count -= invalid;␊ |
| 827 | ␉␉␉␉␉␉}␊ |
| 828 | ␉␉␉␉␉␉break;␊ |
| 829 | ␉␉␉␉␉} ␊ |
| 830 | ␉␉␉␉␉case CPUID_MODEL_FIELDS:␊ |
| 831 | ␉␉␉␉␉case CPUID_MODEL_DALES:␊ |
| 832 | ␉␉␉␉␉case CPUID_MODEL_DALES_32NM:␊ |
| 833 | ␉␉␉␉␉case CPUID_MODEL_NEHALEM: ␊ |
| 834 | ␉␉␉␉␉case CPUID_MODEL_NEHALEM_EX:␊ |
| 835 | ␉␉␉␉␉case CPUID_MODEL_WESTMERE:␊ |
| 836 | ␉␉␉␉␉case CPUID_MODEL_WESTMERE_EX:␊ |
| 837 | ␉␉␉␉␉case CPUID_MODEL_SANDYBRIDGE:␊ |
| 838 | case CPUID_MODEL_JAKETOWN:␊ |
| 839 | ␉␉␉␉␉{␉␉␊ |
| 840 | ␉␉␉␉␉␉maximum.Control = rdmsr64(MSR_IA32_PERF_STATUS) & 0xff; // Seems it always contains maximum multiplier value (with turbo, that's we need)...␊ |
| 841 | ␉␉␉␉␉␉minimum.Control = (rdmsr64(MSR_PLATFORM_INFO) >> 40) & 0xff;␊ |
| 842 | ␉␉␉␉␉␉␊ |
| 843 | ␉␉␉␉␉␉verbose("P-States: min 0x%x, max 0x%x\n", minimum.Control, maximum.Control);␊ |
| 844 | ␉␉␉␉␉␉␊ |
| 845 | ␉␉␉␉␉␉// Sanity check␊ |
| 846 | ␉␉␉␉␉␉if (maximum.Control < minimum.Control) ␊ |
| 847 | ␉␉␉␉␉␉{␊ |
| 848 | ␉␉␉␉␉␉␉DBG("Insane control values!");␊ |
| 849 | ␉␉␉␉␉␉␉p_states_count = 0;␊ |
| 850 | ␉␉␉␉␉␉}␊ |
| 851 | ␉␉␉␉␉␉else␊ |
| 852 | ␉␉␉␉␉␉{␊ |
| 853 | ␉␉␉␉␉␉␉U8 i;␊ |
| 854 | ␉␉␉␉␉␉␉p_states_count = 0;␊ |
| 855 | ␉␉␉␉␉␉␉␊ |
| 856 | ␉␉␉␉␉␉␉for (i = maximum.Control; i >= minimum.Control; i--) ␊ |
| 857 | ␉␉␉␉␉␉␉{␊ |
| 858 | ␉␉␉␉␉␉␉␉p_states[p_states_count].Control = i;␊ |
| 859 | ␉␉␉␉␉␉␉␉p_states[p_states_count].CID = p_states[p_states_count].Control << 1;␊ |
| 860 | ␉␉␉␉␉␉␉␉p_states[p_states_count].Frequency = (Platform->CPU.FSBFrequency / 1000000) * i;␊ |
| 861 | ␉␉␉␉␉␉␉␉p_states_count++;␊ |
| 862 | ␉␉␉␉␉␉␉}␊ |
| 863 | ␉␉␉␉␉␉}␊ |
| 864 | ␉␉␉␉␉␉␊ |
| 865 | ␉␉␉␉␉␉break;␊ |
| 866 | ␉␉␉␉␉}␊ |
| 867 | ␉␉␉␉␉default:␊ |
| 868 | ␉␉␉␉␉␉verbose ("Unsupported CPU: P-States will not be generated !!!\n");␊ |
| 869 | ␉␉␉␉␉␉break;␊ |
| 870 | ␉␉␉␉}␊ |
| 871 | ␉␉␉}␊ |
| 872 | ␉␉␉default:␊ |
| 873 | ␉␉␉␉break;␊ |
| 874 | ␉␉}␊ |
| 875 | ␉␉␊ |
| 876 | ␉␉// Generating SSDT␊ |
| 877 | ␉␉if (p_states_count) ␊ |
| 878 | ␉␉{␉␊ |
| 879 | ␉␉␉unsigned int i;␊ |
| 880 | ␉␉␉␊ |
| 881 | ␉␉␉struct aml_chunk* root = aml_create_node(NULL);␊ |
| 882 | aml_add_buffer(root, ssdt_header, sizeof(ssdt_header)); // SSDT header␊ |
| 883 | ␉␉␉struct aml_chunk* scop;␊ |
| 884 | ␉␉␉if (cpuNamespace == CPU_NAMESPACE_PR) ␊ |
| 885 | ␉␉␉␉␉scop = aml_add_scope(root, "\\_PR_");␊ |
| 886 | ␉␉␉else if (cpuNamespace == CPU_NAMESPACE_SB) ␊ |
| 887 | ␉␉␉␉␉scop = aml_add_scope(root, "\\_SB_");␊ |
| 888 | else ␊ |
| 889 | ␉␉␉{␊ |
| 890 | aml_destroy_node(root);␉␊ |
| 891 | goto out;␊ |
| 892 | }␉␉␉␉␊ |
| 893 | struct aml_chunk* name = aml_add_name(scop, "PSS_");␊ |
| 894 | struct aml_chunk* pack = aml_add_package(name);␊ |
| 895 | ␉␉␉␊ |
| 896 | U8 minPSratio = (p_states[p_states_count-1].Frequency / (Platform->CPU.FSBFrequency / 10000000 ));␊ |
| 897 | U8 maxPSratio = (p_states[0].Frequency / (Platform->CPU.FSBFrequency / 10000000 ));␊ |
| 898 | ␊ |
| 899 | U8 cpu_div = Platform->CPU.CurrDiv;␊ |
| 900 | U8 cpu_ratio = 0;␊ |
| 901 | ␉␉␉␊ |
| 902 | if (cpu_div) ␉␉␉␉␉␉␉␉␊ |
| 903 | cpu_ratio = (Platform->CPU.CurrCoef * 10) + 5;␉␉␉␉␉␉␉␉␊ |
| 904 | else ␉␉␉␉␉␉␉␉␊ |
| 905 | cpu_ratio = Platform->CPU.CurrCoef * 10;␊ |
| 906 | ␊ |
| 907 | ␉␉␉␊ |
| 908 | int user_max_ratio = 0;␊ |
| 909 | getIntForKey(kMaxRatio, &user_max_ratio, &bootInfo->bootConfig);␊ |
| 910 | if (user_max_ratio >= minPSratio && maxPSratio >= user_max_ratio) {␉␉␉␉␉␉␉␉␉␊ |
| 911 | ␉␉␉␉␊ |
| 912 | U8 maxcurrdiv = 0, maxcurrcoef = (int)(user_max_ratio / 10);␉␉␉␉␉␉␉␉␉␊ |
| 913 | ␉␉␉␉␊ |
| 914 | U8 maxdiv = user_max_ratio - (maxcurrcoef * 10);␊ |
| 915 | if (maxdiv > 0)␊ |
| 916 | maxcurrdiv = 1;␊ |
| 917 | ␉␉␉␉␊ |
| 918 | if (maxcurrdiv) ␉␉␉␉␉␉␉␉␉␊ |
| 919 | cpu_ratio = (maxcurrcoef * 10) + 5;␉␉␉␉␉␉␉␉␉␊ |
| 920 | else ␉␉␉␉␉␉␉␉␉␊ |
| 921 | cpu_ratio = maxcurrcoef * 10;␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␊ |
| 922 | }␊ |
| 923 | ␉␉␉␊ |
| 924 | int user_min_ratio = 0;␊ |
| 925 | getIntForKey(kMinRatio, &user_min_ratio, &bootInfo->bootConfig);␊ |
| 926 | if (user_min_ratio >= minPSratio && cpu_ratio >= user_min_ratio) {␊ |
| 927 | ␉␉␉␉␊ |
| 928 | U8 mincurrdiv = 0, mincurrcoef = (int)(user_min_ratio / 10);␉␉␉␉␉␉␉␉␉␊ |
| 929 | ␉␉␉␉␊ |
| 930 | U8 mindiv = user_min_ratio - (mincurrcoef * 10);␊ |
| 931 | ␉␉␉␉␊ |
| 932 | if (mindiv > 0)␊ |
| 933 | mincurrdiv = 1;␉␉␉␉␉␉␉␉␉␊ |
| 934 | ␉␉␉␉␊ |
| 935 | if (mincurrdiv) ␉␉␉␉␉␉␉␉␉␊ |
| 936 | minPSratio = (mincurrcoef * 10) + 5;␉␉␉␉␉␉␉␉␉␊ |
| 937 | else ␉␉␉␉␉␉␉␉␉␊ |
| 938 | minPSratio = mincurrcoef * 10;␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␊ |
| 939 | ␉␉␉␉␊ |
| 940 | }␊ |
| 941 | ␉␉␉␊ |
| 942 | if (maxPSratio >= cpu_ratio && cpu_ratio >= minPSratio)␉maxPSratio = cpu_ratio;␉␉␉␉␉␉␉␉␉␉␉␉␉␊ |
| 943 | ␉␉␉␊ |
| 944 | TagPtr personality = XMLCastDict(XMLGetProperty(bootInfo->bootConfig.dictionary, (const char*)"P-States"));␊ |
| 945 | char* MatchStat = 0;␊ |
| 946 | int dropPSS = 0, Pstatus = 0, base = 16;␉␉␉␉␉␉␉␉␊ |
| 947 | int expert = 0;/* Default: 0 , mean mixed mode | expert mode : 1 , mean add only p-states found in boot.plist*/␊ |
| 948 | char *tmpstr = XMLCastString(XMLGetProperty(personality, (const char*)"Mode"));␊ |
| 949 | ␊ |
| 950 | if (strcmp(tmpstr,"Expert") == 0) {␊ |
| 951 | p_states_count = (XMLTagCount(personality)) - 1 ; // - 1 = - ("Mode" tag) ␉␉␉␉␉␉␉␉␉␉␊ |
| 952 | expert = 1;␊ |
| 953 | }␊ |
| 954 | ␉␉␉␊ |
| 955 | ␊ |
| 956 | if ((tmpstr = XMLCastString(XMLGetProperty(personality, (const char*)"Base")))) {␊ |
| 957 | ␊ |
| 958 | if (expert) p_states_count--; // -= ("Base" tag) ␊ |
| 959 | ␊ |
| 960 | int mybase = strtol(tmpstr, NULL, 10);␉␊ |
| 961 | ␊ |
| 962 | if (mybase == 8 || mybase == 10 || mybase == 16 )␊ |
| 963 | base = mybase;␉␉␉␉␉␉␉␉␉␊ |
| 964 | }␊ |
| 965 | ␉␉␉␊ |
| 966 | for (i = 0; i < p_states_count; i++) ␊ |
| 967 | {␉␉␉␉␉␉␉␉␉␊ |
| 968 | sprintf(MatchStat, "%d",i);␊ |
| 969 | TagPtr match_Status = XMLGetProperty(personality, (const char*)MatchStat); ␉␉␉␉␉␉␉␉ ␊ |
| 970 | ␊ |
| 971 | char *Lat1 = NULL, *clk = NULL, *Pw = NULL, *Lat2 = NULL, *Ctrl = NULL ;␊ |
| 972 | ␊ |
| 973 | if (match_Status) {␉␉␉␉␉␉␉␉␉␉␉␉␊ |
| 974 | ␊ |
| 975 | clk = XMLCastString(XMLGetProperty(match_Status, (const char*)"CoreFreq"));␊ |
| 976 | Pw = XMLCastString(XMLGetProperty(match_Status, (const char*)"Power"));␊ |
| 977 | Lat1 = XMLCastString(XMLGetProperty(match_Status, (const char*)"Transition Latency"));␊ |
| 978 | Lat2 = XMLCastString(XMLGetProperty(match_Status, (const char*)"Bus Master Latency"));␊ |
| 979 | Ctrl = XMLCastString(XMLGetProperty(match_Status, (const char*)"Control"));␊ |
| 980 | ␊ |
| 981 | ␊ |
| 982 | } else if (expert) ␊ |
| 983 | continue;␊ |
| 984 | ␊ |
| 985 | ␊ |
| 986 | unsigned long Frequency = 0x00000000;␊ |
| 987 | ␊ |
| 988 | if (!expert) Frequency = p_states[i].Frequency;␊ |
| 989 | ␊ |
| 990 | if (clk) ␊ |
| 991 | Frequency = strtoul((const char *)clk, NULL,base);␊ |
| 992 | ␊ |
| 993 | if (!Frequency || Frequency > p_states[0].Frequency ) continue;␊ |
| 994 | ␊ |
| 995 | U8 curr_ratio = (Frequency / (Platform->CPU.FSBFrequency / 10000000 ));␊ |
| 996 | ␊ |
| 997 | if (curr_ratio > maxPSratio || minPSratio > curr_ratio)␊ |
| 998 | goto dropPstate;␊ |
| 999 | ␊ |
| 1000 | struct aml_chunk* pstt = aml_add_package(pack);␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␊ |
| 1001 | aml_add_dword(pstt, Frequency); // CoreFreq (in MHz).␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␊ |
| 1002 | aml_add_dword(pstt, resolve_pss(0x00000000, Pw, base)); // Power (in milliWatts)␉␉␉␉␉␉␉␉␉␊ |
| 1003 | aml_add_dword(pstt, resolve_pss(0x0000000A, Lat1, base)); // Transition Latency (in microseconds).␉␉␉␉␉␉␉␉␉␊ |
| 1004 | aml_add_dword(pstt, resolve_pss(0x0000000A, Lat2, base)); // Bus Master Latency (in microseconds).␉␉␉␉␉␉␉␉␉␊ |
| 1005 | unsigned long Control = 0x00000000;␊ |
| 1006 | if (!expert) Control = p_states[i].Control;␉␉␉␉␉␉␉␉␉␊ |
| 1007 | aml_add_dword(pstt, resolve_pss(Control, Ctrl, base)); // Control␉␉␉␉␉␉␉␉␉␊ |
| 1008 | Pstatus++;␊ |
| 1009 | aml_add_dword(pstt, Pstatus); // Status␉␉␉␉␉␉␉␉␉␊ |
| 1010 | continue;␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␊ |
| 1011 | dropPstate:␊ |
| 1012 | ␊ |
| 1013 | DBG("state with cpu frequency :%d and ratio :%d will be dropped\n",p_states[i].Frequency,curr_ratio);␉␉␊ |
| 1014 | ␊ |
| 1015 | dropPSS++;␊ |
| 1016 | ␊ |
| 1017 | ␊ |
| 1018 | }␉␉␉␊ |
| 1019 | ␉␉␉␊ |
| 1020 | ␊ |
| 1021 | ␉␉␉// Add aliaces␊ |
| 1022 | ␉␉␉for (i = 0; i < cpu_map_count; i++) ␊ |
| 1023 | ␉␉␉{␊ |
| 1024 | ␉␉␉␉char name[9];␊ |
| 1025 | U32 nseg = *(U32*)cpu_map[i].nameseg;␊ |
| 1026 | if (cpuNamespace == CPU_NAMESPACE_PR) {␊ |
| 1027 | sprintf(name, "_PR_%c%c%c%c",␊ |
| 1028 | (int)(nseg & 0x000000ff),␊ |
| 1029 | (int)((nseg & 0x0000ff00) >> 8),␊ |
| 1030 | (int)((nseg & 0x00ff0000) >> 16),␊ |
| 1031 | (int)(nseg >> 24));␊ |
| 1032 | } else if (cpuNamespace == CPU_NAMESPACE_SB) {␊ |
| 1033 | sprintf(name, "_SB_%c%c%c%c",␊ |
| 1034 | (int)(nseg & 0x000000ff),␊ |
| 1035 | (int)((nseg & 0x0000ff00) >> 8),␊ |
| 1036 | (int)((nseg & 0x00ff0000) >> 16),␊ |
| 1037 | (int)(nseg >> 24));␊ |
| 1038 | } else {␊ |
| 1039 | aml_destroy_node(root);␉␊ |
| 1040 | goto out;␊ |
| 1041 | }␊ |
| 1042 | ␊ |
| 1043 | ␉␉␉␉scop = aml_add_scope(root, name);␊ |
| 1044 | ␉␉␉␉aml_add_alias(scop, "PSS_", "_PSS");␊ |
| 1045 | ␉␉␉}␊ |
| 1046 | ␉␉␉␊ |
| 1047 | ␉␉␉aml_calculate_size(root);␊ |
| 1048 | ␉␉␉␊ |
| 1049 | ␉␉␉ACPI_TABLE_SSDT *ssdt = (ACPI_TABLE_SSDT *)AllocateKernelMemory(root->Size);␊ |
| 1050 | ␉␉␉␊ |
| 1051 | ␉␉␉aml_write_node(root, (void*)ssdt, 0);␊ |
| 1052 | ␉␉␉␊ |
| 1053 | ␉␉␉ssdt->Header.Length = root->Size;␊ |
| 1054 | ␉␉␉␊ |
| 1055 | SetChecksum(&ssdt->Header);␊ |
| 1056 | ␉␉␉␊ |
| 1057 | ␉␉␉aml_destroy_node(root);␉␉␉␊ |
| 1058 | ␉␉␉␊ |
| 1059 | ␉␉␉verbose ("SSDT with CPU P-States generated successfully");␊ |
| 1060 | ␉␉␉␊ |
| 1061 | ␉␉␉if (dropPSS)␊ |
| 1062 | verbose(", %d P-state(s) dropped",dropPSS);␊ |
| 1063 | ␉␉␉␊ |
| 1064 | ␉␉␉verbose("\n");␊ |
| 1065 | ␉␉␉␊ |
| 1066 | ␉␉␉return ssdt;␊ |
| 1067 | ␉␉}␊ |
| 1068 | ␉}␊ |
| 1069 | ␉else ␊ |
| 1070 | ␉{␊ |
| 1071 | out:␊ |
| 1072 | ␉␉verbose("ACPI CPUs not found: P-States will not be generated !!!\n");␊ |
| 1073 | ␉}␊ |
| 1074 | ␉␊ |
| 1075 | ␉return (void *)0ul;␊ |
| 1076 | }␊ |
| 1077 | #if UNUSED␊ |
| 1078 | ACPI_TABLE_FACS* generate_facs(bool updatefacs )␊ |
| 1079 | {␊ |
| 1080 | ACPI_TABLE_FACS* facs_mod=(ACPI_TABLE_FACS *)AllocateKernelMemory(sizeof(ACPI_TABLE_FACS));␊ |
| 1081 | bzero(facs_mod, sizeof(ACPI_TABLE_FACS));␊ |
| 1082 | ␉␊ |
| 1083 | ␉ACPI_TABLE_FACS * FacsPointer =(acpi_tables.FacsPointer64 != (void *)0ul) ? ␊ |
| 1084 | ␉(ACPI_TABLE_FACS *)acpi_tables.FacsPointer64 : (ACPI_TABLE_FACS *)acpi_tables.FacsPointer;␊ |
| 1085 | ␉␊ |
| 1086 | memcpy(facs_mod, FacsPointer , FacsPointer->Length);␊ |
| 1087 | facs_mod->Length = sizeof(ACPI_TABLE_FACS);␊ |
| 1088 | ␉␉ ␊ |
| 1089 | ␉if (FacsPointer->Length < sizeof(ACPI_TABLE_FACS)) {␊ |
| 1090 | ␉␉facs_mod->FirmwareWakingVector = 0;␊ |
| 1091 | ␉␉facs_mod->GlobalLock = 0;␊ |
| 1092 | ␉␉facs_mod->Flags = 0;␊ |
| 1093 | ␉}␉␉␊ |
| 1094 | ␊ |
| 1095 | if (updatefacs && FacsPointer->Version < 2) {␊ |
| 1096 | ␉␉if (FacsPointer->Version > 0) {␊ |
| 1097 | ␉␉␉facs_mod->XFirmwareWakingVector = FacsPointer->XFirmwareWakingVector;␊ |
| 1098 | ␉␉} else {␊ |
| 1099 | ␉␉␉facs_mod->XFirmwareWakingVector = (U64)facs_mod->FirmwareWakingVector;␊ |
| 1100 | ␉␉}␊ |
| 1101 | ␊ |
| 1102 | ␉␉facs_mod->Version = 2; /* ACPI 1.0: 0, ACPI 2.0/3.0: 1, ACPI 4.0: 2 */␊ |
| 1103 | ␉␉␊ |
| 1104 | ␉}␊ |
| 1105 | ␊ |
| 1106 | return facs_mod;␊ |
| 1107 | }␊ |
| 1108 | #endif␊ |
| 1109 | ␊ |
| 1110 | ACPI_GENERIC_ADDRESS FillGASStruct(U32 Address, U8 Length)␊ |
| 1111 | {␊ |
| 1112 | ␉ACPI_GENERIC_ADDRESS TmpGAS;␊ |
| 1113 | ␉␊ |
| 1114 | ␉TmpGAS.SpaceId = 1; /* I/O Address */␊ |
| 1115 | ␉␊ |
| 1116 | ␉if (Address == 0)␊ |
| 1117 | ␉{␊ |
| 1118 | ␉␉TmpGAS.BitWidth = 0;␊ |
| 1119 | ␉} else {␊ |
| 1120 | ␉␉TmpGAS.BitWidth = Length * 8;␊ |
| 1121 | ␉}␊ |
| 1122 | ␉␊ |
| 1123 | ␉TmpGAS.BitOffset = 0;␊ |
| 1124 | ␉TmpGAS.AccessWidth = 0; /* Not set for Legacy reasons... */␊ |
| 1125 | ␉TmpGAS.Address = (U64)Address;␊ |
| 1126 | ␉␊ |
| 1127 | ␉return (TmpGAS);␊ |
| 1128 | }␊ |
| 1129 | ␊ |
| 1130 | ACPI_TABLE_FADT *␊ |
| 1131 | patch_fadt(ACPI_TABLE_FADT *fadt, ACPI_TABLE_DSDT *new_dsdt, bool UpdateFADT)␊ |
| 1132 | {␉␉␊ |
| 1133 | ␉ACPI_TABLE_FADT *fadt_mod = (void*)0;␊ |
| 1134 | ␉bool fadt_rev2_needed = false;␊ |
| 1135 | ␉bool fix_restart = false;␉␊ |
| 1136 | ␉const char * value;␉␊ |
| 1137 | ␊ |
| 1138 | ␉// Restart Fix␊ |
| 1139 | ␉if (Platform->CPU.Vendor == 0x756E6547) {␉/* Intel */␊ |
| 1140 | ␉␉fix_restart = true;␊ |
| 1141 | ␉␉getBoolForKey(kRestartFix, &fix_restart, &bootInfo->bootConfig);␊ |
| 1142 | ␉␉␊ |
| 1143 | ␉} else {␊ |
| 1144 | ␉␉verbose ("Not an Intel platform: Restart Fix disabled !!!\n");␊ |
| 1145 | ␉}␊ |
| 1146 | ␉␊ |
| 1147 | ␉if (fix_restart)␊ |
| 1148 | ␉␉fadt_rev2_needed = true;␊ |
| 1149 | ␉␉␉␊ |
| 1150 | ␉// Allocate new fadt table␊ |
| 1151 | ␉if (UpdateFADT) ␊ |
| 1152 | ␉{ ␊ |
| 1153 | if (fadt->Header.Length < 0xF4)␊ |
| 1154 | ␉ {␊ |
| 1155 | ␉␉␉fadt_mod=(ACPI_TABLE_FADT *)AllocateKernelMemory(0xF4);␊ |
| 1156 | ␉␉ bzero(fadt_mod, 0xF4);␊ |
| 1157 | ␉␉␉memcpy(fadt_mod, fadt, fadt->Header.Length);␊ |
| 1158 | ␉␉␉fadt_mod->Header.Length = 0xF4;␊ |
| 1159 | ␉␉}␊ |
| 1160 | ␉␉else␊ |
| 1161 | ␉␉{␉␉␉␊ |
| 1162 | ␉␉␉fadt_mod=(ACPI_TABLE_FADT *)AllocateKernelMemory(fadt->Header.Length);␉␊ |
| 1163 | ␉␉␉memcpy(fadt_mod, fadt, fadt->Header.Length);␊ |
| 1164 | ␉␉}␉␉ ␊ |
| 1165 | ␉␉␉␉␊ |
| 1166 | ␊ |
| 1167 | ␉␉//fadt_mod->Header.Revision = 0x04; // FADT rev 4␊ |
| 1168 | ␉␉fadt_mod->ResetRegister = FillGASStruct(0, 0);␊ |
| 1169 | ␉␉fadt_mod->ResetValue = 0;␊ |
| 1170 | ␉␉fadt_mod->Reserved4[0] = 0;␊ |
| 1171 | ␉␉fadt_mod->Reserved4[1] = 0;␊ |
| 1172 | ␉␉fadt_mod->Reserved4[2] = 0;␊ |
| 1173 | ␊ |
| 1174 | fadt_mod->XPm1aEventBlock = FillGASStruct(fadt_mod->Pm1aEventBlock, fadt_mod->Pm1EventLength);␊ |
| 1175 | ␉␉fadt_mod->XPm1bEventBlock = FillGASStruct(fadt_mod->Pm1bEventBlock, fadt_mod->Pm1EventLength);␊ |
| 1176 | ␉␉fadt_mod->XPm1aControlBlock = FillGASStruct(fadt_mod->Pm1aControlBlock, fadt_mod->Pm1ControlLength);␊ |
| 1177 | ␉␉fadt_mod->XPm1bControlBlock = FillGASStruct(fadt_mod->Pm1bControlBlock, fadt_mod->Pm1ControlLength);␊ |
| 1178 | ␉␉fadt_mod->XPm2ControlBlock = FillGASStruct(fadt_mod->Pm2ControlBlock, fadt_mod->Pm2ControlLength);␊ |
| 1179 | ␉␉fadt_mod->XPmTimerBlock = FillGASStruct(fadt_mod->PmTimerBlock, fadt_mod->PmTimerLength);␊ |
| 1180 | ␉␉fadt_mod->XGpe0Block = FillGASStruct(fadt_mod->Gpe0Block, fadt_mod->Gpe0BlockLength);␊ |
| 1181 | ␉␉fadt_mod->XGpe1Block = FillGASStruct(fadt_mod->Gpe1Block, fadt_mod->Gpe1BlockLength);␉␊ |
| 1182 | if (fadt->Header.Revision < 4) {␉␉␉␉␉␊ |
| 1183 | ␉␉␉fadt_mod->Header.Revision = 0x04; // FADT rev 4␊ |
| 1184 | ␉␉␉verbose("Converted ACPI V%d FADT to ACPI V4 FADT\n", fadt->Header.Revision);␊ |
| 1185 | ␊ |
| 1186 | ␉␉}␊ |
| 1187 | ␉} else {␊ |
| 1188 | ␉␉␊ |
| 1189 | ␉␉if (fadt_rev2_needed)␊ |
| 1190 | ␉␉{␊ |
| 1191 | ␉␉␉if (fadt->Header.Length < 0x84 )␊ |
| 1192 | ␉␉␉{␊ |
| 1193 | ␉␉␉␉fadt_mod=(ACPI_TABLE_FADT *)AllocateKernelMemory(0x84);␊ |
| 1194 | ␉␉␉␉bzero(fadt_mod, 0x84);␊ |
| 1195 | ␉␉␉␉memcpy(fadt_mod, fadt, fadt->Header.Length);␊ |
| 1196 | ␉␉␉␉fadt_mod->Header.Length = 0x84;␊ |
| 1197 | ␉␉␉} else {␊ |
| 1198 | ␉␉␉␉fadt_mod=(ACPI_TABLE_FADT *)AllocateKernelMemory(fadt->Header.Length);␊ |
| 1199 | ␉␉␉␉memcpy(fadt_mod, fadt, fadt->Header.Length);␊ |
| 1200 | ␉␉␉}␉␉␉␊ |
| 1201 | ␉␉␉␊ |
| 1202 | ␉␉␉if (fadt->Header.Revision < 2) {␉␉␉␉␉␊ |
| 1203 | ␉␉␉␉fadt_mod->Header.Revision = 0x02; // FADT rev 2 (ACPI 1.0B MS extensions) ␊ |
| 1204 | ␉␉␉␉verbose("Converted ACPI V%d FADT to ACPI V2 FADT\n", fadt->Header.Revision );␊ |
| 1205 | ␉␉␉}␊ |
| 1206 | ␉␉} else {␊ |
| 1207 | ␉␉␉if (fadt->Header.Length < 0x74 )␊ |
| 1208 | ␉␉␉{␊ |
| 1209 | ␉␉␉␉fadt_mod=(ACPI_TABLE_FADT *)AllocateKernelMemory(0x74);␊ |
| 1210 | ␉␉␉␉bzero(fadt_mod, 0x74);␊ |
| 1211 | ␉␉␉␉memcpy(fadt_mod, fadt, fadt->Header.Length);␊ |
| 1212 | ␉␉␉␉fadt_mod->Header.Length = 0x74;␊ |
| 1213 | ␉␉␉␉fadt_mod->Header.Revision = 0x01; ␊ |
| 1214 | ␉␉␉␉verbose("Warning: ACPI FADT length was < 0x74 which is the minimum for the ACPI FADT V1 specification, \n", fadt->Header.Revision );␊ |
| 1215 | ␉␉␉␉verbose(" trying to convert it to Version 1. \n");␉␉␉␉␊ |
| 1216 | ␊ |
| 1217 | ␉␉␉} else {␊ |
| 1218 | ␉␉␉␉fadt_mod=(ACPI_TABLE_FADT *)AllocateKernelMemory(fadt->Header.Length);␊ |
| 1219 | ␉␉␉␉memcpy(fadt_mod, fadt, fadt->Header.Length);␊ |
| 1220 | ␉␉␉}␊ |
| 1221 | ␉␉}␉␉ ␉␉␊ |
| 1222 | ␉}␊ |
| 1223 | ␉bool intelfadtspec = true;␊ |
| 1224 | ␉U8 Type = PMProfileError;␊ |
| 1225 | ␉// Determine system type / PM_Model␊ |
| 1226 | ␉␊ |
| 1227 | ␉// Fix System-type if needed (should never happen)␊ |
| 1228 | ␉if (Platform->Type > MaxSupportedPMProfile) ␊ |
| 1229 | ␉{␊ |
| 1230 | ␉␉if(fadt_mod->PreferredProfile <= MaxSupportedPMProfile)␊ |
| 1231 | ␉␉␉Platform->Type = fadt_mod->PreferredProfile; // get the fadt if correct␊ |
| 1232 | ␉␉else ␊ |
| 1233 | ␉␉␉Platform->Type = 1;␉␉/* Set a fixed value (Desktop) */␊ |
| 1234 | ␉}␊ |
| 1235 | ␉␊ |
| 1236 | ␉// If needed, set System-type from PM_Profile (if valid) else set PM_Profile with a fixed the System-type ␊ |
| 1237 | ␉// Give prior to the FADT pm profile, allow to also control this value with a patched FADT table␊ |
| 1238 | ␉if (fadt_mod->PreferredProfile != Platform->Type) ␊ |
| 1239 | ␉{␊ |
| 1240 | ␉␉bool val = false; ␊ |
| 1241 | ␉␉getBoolForKey("PreferInternalProfileDetect", &val, &bootInfo->bootConfig); // if true Give prior to the profile resolved trought the CPU model␊ |
| 1242 | ␉␉␊ |
| 1243 | ␉␉val = Platform->CPU.isServer ;␊ |
| 1244 | ␉␉␊ |
| 1245 | ␉␉if (fadt_mod->PreferredProfile <= MaxSupportedPMProfile && !val) {␊ |
| 1246 | ␉␉␉Platform->Type = fadt_mod->PreferredProfile;␊ |
| 1247 | ␉␉} else {␊ |
| 1248 | ␉␉␉fadt_mod->PreferredProfile = Platform->Type;␊ |
| 1249 | ␉␉}␉␉␊ |
| 1250 | ␉␉␊ |
| 1251 | ␉}␊ |
| 1252 | ␉␊ |
| 1253 | ␉// Set PM_Profile and System-type if user wanted this value to be forced␊ |
| 1254 | ␉if ( (value=getStringForKey("SystemType", &bootInfo->bootConfig))!=NULL) {␊ |
| 1255 | ␉␉if ((Type = (unsigned char) strtoul(value, NULL, 10) ) <= MaxSupportedPMProfile)␊ |
| 1256 | ␉␉{␊ |
| 1257 | ␉␉␉verbose("FADT: changing Preferred_PM_Profile from %d to %d\n", fadt->PreferredProfile, Type);␊ |
| 1258 | ␉␉␉fadt_mod->PreferredProfile = Platform->Type = Type;␊ |
| 1259 | ␉␉} else verbose("Error: system-type must be 0..6. Defaulting to %d !\n", Platform->Type);␊ |
| 1260 | ␉}␉␉␊ |
| 1261 | ␉␊ |
| 1262 | ␉getBoolForKey(KIntelFADT, &intelfadtspec, &bootInfo->bootConfig);␊ |
| 1263 | ␉if ((pmbase == 0) && (cpu_map_error == 0) && (intelfadtspec == true)) ␊ |
| 1264 | ␉{␊ |
| 1265 | ␉␉ACPI_TABLE_DSDT *DsdtPointer ;␊ |
| 1266 | ␉␉if (new_dsdt != (void*)0ul) ␊ |
| 1267 | ␉␉␉DsdtPointer = new_dsdt;␊ |
| 1268 | ␉␉else if ((fadt_mod->Header.Revision >= 3) && (fadt_mod->XDsdt != 0ul))␊ |
| 1269 | ␉␉␉DsdtPointer = (ACPI_TABLE_DSDT *)((U32)fadt_mod->XDsdt);␊ |
| 1270 | ␉␉else␊ |
| 1271 | ␉␉␉DsdtPointer = (ACPI_TABLE_DSDT *)fadt_mod->Dsdt;␊ |
| 1272 | ␉␉␊ |
| 1273 | ␉␉generate_cpu_map_from_acpi(DsdtPointer);␊ |
| 1274 | ␉}␉␊ |
| 1275 | ␉␊ |
| 1276 | ␉// Patch DSDT Address if we have loaded a DSDT table␊ |
| 1277 | ␉if(new_dsdt != (void*)0ul)␉␉␊ |
| 1278 | ␉␉fadt_mod->Dsdt=(U32)new_dsdt;␉␊ |
| 1279 | ␉␊ |
| 1280 | ␉fadt_mod->Facs= fadt->Facs;␊ |
| 1281 | ␉//fadt_mod->Facs=(U32)generate_facs(false);␊ |
| 1282 | ␊ |
| 1283 | ␉// Patch FADT to fix restart␊ |
| 1284 | ␉if (fadt_mod->Header.Revision >= 2 && fix_restart)␊ |
| 1285 | ␉{␉␉␊ |
| 1286 | fadt_mod->Flags|= 0x400;␉␉␊ |
| 1287 | ␉␉␊ |
| 1288 | ␉␉int type = PCI_RESET_TYPE;␊ |
| 1289 | ␉␉getIntForKey(KResetType, &type, &bootInfo->bootConfig);␊ |
| 1290 | ␉␉if (type == KEYBOARD_RESET_TYPE) {␊ |
| 1291 | ␉␉␉//Azi: keyboard reset; http://forum.voodooprojects.org/index.php/topic,1056.msg9802.html#msg9802␊ |
| 1292 | ␉␉␉fadt_mod->ResetRegister = FillGASStruct(0x64, 1);␊ |
| 1293 | ␉␉␉fadt_mod->ResetValue = 0xfe;␊ |
| 1294 | ␉␉} else {␊ |
| 1295 | ␉␉␉fadt_mod->ResetRegister = FillGASStruct(0x0cf9, 1);␊ |
| 1296 | ␉␉␉fadt_mod->ResetValue = 0x06;␊ |
| 1297 | ␉␉}␊ |
| 1298 | ␉␉verbose("FADT: Restart Fix applied (Type : %s) !\n", (type == 0) ? "PCI": "KEYBOARD");␊ |
| 1299 | ␉}␊ |
| 1300 | ␉ ␊ |
| 1301 | if (fadt_mod->Header.Revision >= 3) { ␊ |
| 1302 | ␊ |
| 1303 | ␊ |
| 1304 | if (UpdateFADT) { ␊ |
| 1305 | ␊ |
| 1306 | ␉␉␉//fadt_mod->XFacs= (U64)((U32)generate_facs(true));␊ |
| 1307 | fadt_mod->XFacs=(U64)fadt->Facs; ␊ |
| 1308 | ␊ |
| 1309 | } else {␊ |
| 1310 | ␉␉␉fadt_mod->XFacs=(U64)fadt->XFacs;␊ |
| 1311 | ␉␉}␊ |
| 1312 | ␊ |
| 1313 | ␊ |
| 1314 | if(new_dsdt != (void*)0ul)␊ |
| 1315 | fadt_mod->XDsdt=((U64)(U32)new_dsdt);␊ |
| 1316 | ␉␉else if (UpdateFADT)␊ |
| 1317 | ␉␉␉␉fadt_mod->XDsdt=(U64)fadt_mod->Dsdt;␊ |
| 1318 | ␊ |
| 1319 | ␊ |
| 1320 | Platform->hardware_signature = ((ACPI_TABLE_FACS *)((U32)fadt_mod->XFacs))->HardwareSignature;␊ |
| 1321 | ␊ |
| 1322 | } else {␊ |
| 1323 | ␊ |
| 1324 | Platform->hardware_signature = ␉((ACPI_TABLE_FACS *)fadt_mod->Facs)->HardwareSignature;␊ |
| 1325 | ␊ |
| 1326 | } ␊ |
| 1327 | ␉␊ |
| 1328 | ␊ |
| 1329 | ␉DBG("setting hardware_signature to %x \n",Platform->hardware_signature); ␊ |
| 1330 | ␉␉␉␊ |
| 1331 | ␉␉␊ |
| 1332 | ␊ |
| 1333 | ␉if (pmbase && (intelfadtspec == true))␊ |
| 1334 | ␉␉ProcessFadt(fadt_mod, pmbase); // The checksum correction will be done by ProcessFadt␊ |
| 1335 | ␉else␊ |
| 1336 | ␉␉SetChecksum(&fadt_mod->Header); // Correct the checksum␊ |
| 1337 | ␊ |
| 1338 | ␉return fadt_mod;␊ |
| 1339 | }␊ |
| 1340 | ␊ |
| 1341 | void process_xsdt (ACPI_TABLE_RSDP *rsdp_mod , U32 *new_table_list){␊ |
| 1342 | ␉TagPtr DropTables_p = XMLCastDict(XMLGetProperty(bootInfo->bootConfig.dictionary, (const char*)"ACPIDropTables"));␊ |
| 1343 | ␉U32 new_table = 0ul;␊ |
| 1344 | ␉U8 new_table_index = 0, table_added = 0;␊ |
| 1345 | ␉ACPI_TABLE_XSDT *xsdt = (void*)0ul, *xsdt_mod = (void*)0ul;␊ |
| 1346 | ␉ACPI_TABLE_RSDT *rsdt_conv␉= (void *)0ul;␊ |
| 1347 | ␉␊ |
| 1348 | ␉// FIXME: handle 64-bit address correctly␊ |
| 1349 | ␉␊ |
| 1350 | ␉xsdt=(ACPI_TABLE_XSDT *)acpi_tables.XsdtPointer;␊ |
| 1351 | ␉␊ |
| 1352 | ␉verbose("* Processing XSDT: \n");␊ |
| 1353 | ␉␊ |
| 1354 | ␉DBG("XSDT @%x, Length=%d\n", (U32)xsdt,␊ |
| 1355 | ␉␉xsdt->Header.Length);␊ |
| 1356 | ␉␊ |
| 1357 | ␉if (xsdt != (void *)0ul)␊ |
| 1358 | ␉{␉␉␉␉␊ |
| 1359 | ␉␉U32 dropoffset=0, index;␊ |
| 1360 | ␉␉table_added = 0;␊ |
| 1361 | ␉␉␊ |
| 1362 | ␉␉xsdt_mod=(ACPI_TABLE_XSDT *)AllocateKernelMemory(xsdt->Header.Length); ␊ |
| 1363 | ␉␉bzero(xsdt_mod, xsdt->Header.Length);␊ |
| 1364 | ␉␉memcpy(&xsdt_mod->Header, &xsdt->Header, sizeof(ACPI_TABLE_HEADER));␊ |
| 1365 | ␉␉␊ |
| 1366 | ␉␉U32 num_tables=get_num_tables64(xsdt);␊ |
| 1367 | ␉␉␊ |
| 1368 | ␉␉ACPI_TABLE_HEADER *table = (ACPI_TABLE_HEADER *) xsdt->TableOffsetEntry;␊ |
| 1369 | ␉␉␊ |
| 1370 | ␉␉for (index = 0; index < num_tables; index++) {␊ |
| 1371 | ␉␉␉if (GetChecksum(table, table->Length) == 0) {␊ |
| 1372 | ␉␉␉␉␊ |
| 1373 | ␉␉␉␉xsdt_mod->TableOffsetEntry[index-dropoffset]=xsdt->TableOffsetEntry[index];␊ |
| 1374 | ␉␉␉␉␊ |
| 1375 | ␉␉␉␉char tableSig[4];␊ |
| 1376 | ␉␉␉␉bool oem = false;␊ |
| 1377 | ␉␉␉␉char oemOption[OEMOPT_SIZE];␊ |
| 1378 | ␉␉␉␉␊ |
| 1379 | ␉␉␉␉strlcpy(tableSig, (char*)((U32)(xsdt->TableOffsetEntry[index])), sizeof(tableSig)+1);␊ |
| 1380 | ␉␉␉␉␊ |
| 1381 | ␉␉␉␉sprintf(oemOption, "oem%s",tableSig );␊ |
| 1382 | ␉␉␉␉if (getBoolForKey(oemOption, &oem, &bootInfo->bootConfig) && oem) { // This method don't work for DSDT and FACS␊ |
| 1383 | ␉␉␉␉␉␊ |
| 1384 | ␉␉␉␉␉if (get_new_table_in_list(new_table_list,((U32) (table->Signature)), &new_table_index) != (void*)0ul) ␊ |
| 1385 | ␉␉␉␉␉␉new_table_list[new_table_index] = 0ul; // This way new table will not be added to the new rsdt list !!␊ |
| 1386 | ␉␉␉␉␉␊ |
| 1387 | ␉␉␉␉␉continue;␊ |
| 1388 | ␉␉␉␉}␊ |
| 1389 | ␉␉␉␉␊ |
| 1390 | ␉␉␉␉TagPtr match_drop = XMLGetProperty(DropTables_p, (const char*)tableSig); ␊ |
| 1391 | ␉␉␉␉if ( match_drop ) {␊ |
| 1392 | ␉␉␉␉␉char *tmp = XMLCastString(match_drop);␊ |
| 1393 | ␉␉␉␉␉if (strcmp(tmp,"No") != 0) {␊ |
| 1394 | ␉␉␉␉␉␉dropoffset++;␊ |
| 1395 | ␉␉␉␉␉␉DBG("%s table dropped\n",tableSig);␊ |
| 1396 | ␉␉␉␉␉␉continue;␊ |
| 1397 | ␉␉␉␉␉}␊ |
| 1398 | ␉␉␉␉}␊ |
| 1399 | ␉␉␉␉␊ |
| 1400 | ␉␉␉␉if ((new_table = (U32)get_new_table_in_list(new_table_list,((U32) (table->Signature)), &new_table_index)) != 0ul)␊ |
| 1401 | ␉␉␉␉{␊ |
| 1402 | ␉␉␉␉␉xsdt_mod->TableOffsetEntry[index-dropoffset]=(U64)new_table;␊ |
| 1403 | ␉␉␉␉␉new_table_list[new_table_index] = 0ul; // table replaced !!␊ |
| 1404 | ␉␉␉␉␉continue;␊ |
| 1405 | ␉␉␉␉}␊ |
| 1406 | ␉␉␉}␊ |
| 1407 | ␉␉␉// Move array pointer to next 64-bit pointer␊ |
| 1408 | ␉␉␉table = (ACPI_TABLE_HEADER *) ((U32) table + sizeof(U64));␊ |
| 1409 | ␉␉} ␊ |
| 1410 | ␉␉␊ |
| 1411 | ␉␉␊ |
| 1412 | ␉␉{␊ |
| 1413 | ␉␉␉U8 i;␊ |
| 1414 | ␉␉␉for (i = 0; i< (MAX_ACPI_TABLE + RESERVED_AERA); i++) {␊ |
| 1415 | ␉␉␉␉if (new_table_list[i] != 0ul) {␊ |
| 1416 | ␉␉␉␉␉xsdt_mod->TableOffsetEntry[index-dropoffset]=(U64)new_table_list[i];␊ |
| 1417 | ␉␉␉␉␉table_added++;␊ |
| 1418 | ␉␉␉␉␉index++;␊ |
| 1419 | ␉␉␉␉}␊ |
| 1420 | ␉␉␉}␊ |
| 1421 | ␉␉}␊ |
| 1422 | ␉␉␊ |
| 1423 | ␉␉// Correct the checksum of XSDT␊ |
| 1424 | ␉␉xsdt_mod->Header.Length-=8*dropoffset;␊ |
| 1425 | ␉␉xsdt_mod->Header.Length+=8*table_added;␊ |
| 1426 | ␉␉␊ |
| 1427 | ␉␉SetChecksum(&xsdt_mod->Header);␊ |
| 1428 | ␉␉␊ |
| 1429 | ␉␉update_rsdp_with_xsdt(rsdp_mod, xsdt_mod);␊ |
| 1430 | ␉␉␊ |
| 1431 | ␉␉verbose("* Creating new RSDT from XSDT table\n");␊ |
| 1432 | ␉␉␊ |
| 1433 | ␉␉rsdt_conv = (ACPI_TABLE_RSDT *)gen_alloc_rsdt_from_xsdt(xsdt_mod);␊ |
| 1434 | ␉␉update_rsdp_with_rsdt(rsdp_mod, rsdt_conv);␉␉␉␉␊ |
| 1435 | ␉␉␊ |
| 1436 | ␉␉␊ |
| 1437 | ␉␉␊ |
| 1438 | ␉}␊ |
| 1439 | ␉else␊ |
| 1440 | ␉{␉␉␉␉␊ |
| 1441 | ␉␉DBG("About to drop XSDT\n");␊ |
| 1442 | ␉␉␊ |
| 1443 | ␉␉/*FIXME: Now we just hope that if MacOS doesn't find XSDT it reverts to RSDT. ␊ |
| 1444 | ␉␉ * A Better strategy would be to generate␊ |
| 1445 | ␉␉ */␊ |
| 1446 | ␉␉␊ |
| 1447 | ␉␉rsdp_mod->XsdtPhysicalAddress=0xffffffffffffffffLL;␊ |
| 1448 | ␉␉verbose("XSDT not found or XSDT incorrect\n");␊ |
| 1449 | ␉}␊ |
| 1450 | ␊ |
| 1451 | }␊ |
| 1452 | ␊ |
| 1453 | void process_rsdt(ACPI_TABLE_RSDP *rsdp_mod , bool gen_xsdt, U32 *new_table_list)␊ |
| 1454 | {␉␉␉␊ |
| 1455 | ␉TagPtr DropTables_p = XMLCastDict(XMLGetProperty(bootInfo->bootConfig.dictionary, (const char*)"ACPIDropTables"));␊ |
| 1456 | ␉U32 new_table = 0ul;␊ |
| 1457 | ␉U8 new_table_index = 0, table_added = 0;␊ |
| 1458 | ␉U32 dropoffset=0, index;␊ |
| 1459 | ␉ACPI_TABLE_RSDT *rsdt␉␉ = (void *)0ul, *rsdt_mod␉= (void *)0ul;␊ |
| 1460 | ␉ACPI_TABLE_XSDT *xsdt_conv␉ = (void *)0ul;␊ |
| 1461 | ␉␊ |
| 1462 | ␉rsdt=(ACPI_TABLE_RSDT *)acpi_tables.RsdtPointer;␊ |
| 1463 | ␉␊ |
| 1464 | ␉DBG("RSDT @%x, Length %d\n",rsdt, rsdt->Header.Length);␉␊ |
| 1465 | ␉␊ |
| 1466 | ␉rsdt_mod=(ACPI_TABLE_RSDT *)AllocateKernelMemory(rsdt->Header.Length);␊ |
| 1467 | ␉bzero(rsdt_mod, rsdt->Header.Length);␊ |
| 1468 | ␉memcpy (&rsdt_mod->Header, &rsdt->Header, sizeof(ACPI_TABLE_HEADER));␊ |
| 1469 | ␉␊ |
| 1470 | ␉U32 num_tables = get_num_tables(rsdt); ␊ |
| 1471 | ␉␊ |
| 1472 | ␉verbose("* Processing RSDT: \n");␉␉␉␊ |
| 1473 | ␉ACPI_TABLE_HEADER **table_array = (ACPI_TABLE_HEADER **) rsdt->TableOffsetEntry;␊ |
| 1474 | ␉␊ |
| 1475 | ␉// Compute number of table pointers included in RSDT␊ |
| 1476 | ␉num_tables = get_num_tables(rsdt);␊ |
| 1477 | ␉␊ |
| 1478 | ␉for (index = 0; index < num_tables; index++) {␊ |
| 1479 | ␉␉if (GetChecksum(table_array[index], table_array[index]->Length) == 0) {␊ |
| 1480 | ␉␉␉␊ |
| 1481 | ␉␉␉rsdt_mod->TableOffsetEntry[index-dropoffset]=rsdt->TableOffsetEntry[index];␊ |
| 1482 | ␉␉␉␊ |
| 1483 | ␉␉␉char tableSig[4];␊ |
| 1484 | ␉␉␉bool oem = false;␊ |
| 1485 | ␉␉␉char oemOption[OEMOPT_SIZE];␊ |
| 1486 | ␉␉␉␊ |
| 1487 | ␉␉␉strlcpy(tableSig, (char*)(rsdt->TableOffsetEntry[index]), sizeof(tableSig)+1);␊ |
| 1488 | ␉␉␉␊ |
| 1489 | ␉␉␉sprintf(oemOption, "oem%s",tableSig );␊ |
| 1490 | ␉␉␉if (getBoolForKey(oemOption, &oem, &bootInfo->bootConfig) && oem) { // This method don't work for DSDT and FACS␊ |
| 1491 | ␉␉␉␉␊ |
| 1492 | ␉␉␉␉if (get_new_table_in_list(new_table_list,(*(U32 *) (table_array[index]->Signature)), &new_table_index) != (void*)0ul ) ␊ |
| 1493 | ␉␉␉␉␉new_table_list[new_table_index] = 0ul; // This way new table will not be added to the new rsdt list !!␊ |
| 1494 | ␉␉␉␉␊ |
| 1495 | ␉␉␉␉continue;␊ |
| 1496 | ␉␉␉}␊ |
| 1497 | ␉␉␉␊ |
| 1498 | ␉␉␉TagPtr match_drop = XMLGetProperty(DropTables_p, (const char*)tableSig);␊ |
| 1499 | ␉␉␉if ( match_drop ) {␊ |
| 1500 | ␉␉␉␉char *tmp = XMLCastString(match_drop);␊ |
| 1501 | ␉␉␉␉if (strcmp(tmp,"No") != 0) {␉␉␉␉␉␉␊ |
| 1502 | ␉␉␉␉␉dropoffset++;␊ |
| 1503 | ␉␉␉␉␉DBG("%s table dropped\n",tableSig);␊ |
| 1504 | ␉␉␉␉␉continue;␊ |
| 1505 | ␉␉␉␉}␊ |
| 1506 | ␉␉␉}␉␉␉␉␊ |
| 1507 | ␉␉␉␊ |
| 1508 | ␉␉␉if ((new_table = (U32)get_new_table_in_list(new_table_list,(*(U32 *) (table_array[index]->Signature)), &new_table_index)) != 0ul)␊ |
| 1509 | ␉␉␉{␉␉␉␉␉␊ |
| 1510 | ␉␉␉␉rsdt_mod->TableOffsetEntry[index-dropoffset]=new_table;␊ |
| 1511 | ␉␉␉␉new_table_list[new_table_index] = 0ul; // table replaced !!␊ |
| 1512 | ␉␉␉␉continue;␊ |
| 1513 | ␉␉␉}␊ |
| 1514 | ␉␉␉␊ |
| 1515 | ␉␉}␊ |
| 1516 | ␉}␉␉␉␊ |
| 1517 | ␉DBG("\n");␊ |
| 1518 | ␉␊ |
| 1519 | ␉{␊ |
| 1520 | ␉␉U8 i;␊ |
| 1521 | ␉␉for (i = 0; i< (MAX_ACPI_TABLE + RESERVED_AERA); i++) {␊ |
| 1522 | ␉␉␉if (new_table_list[i] != 0ul) {␊ |
| 1523 | ␉␉␉␉rsdt_mod->TableOffsetEntry[index-dropoffset]=new_table_list[i];␊ |
| 1524 | ␉␉␉␉table_added++;␊ |
| 1525 | ␉␉␉␉index++;␊ |
| 1526 | ␉␉␉}␊ |
| 1527 | ␉␉}␊ |
| 1528 | ␉}␉␉␊ |
| 1529 | ␉␊ |
| 1530 | ␉// Correct the checksum of RSDT␊ |
| 1531 | ␉rsdt_mod->Header.Length-=4*dropoffset;␊ |
| 1532 | ␉rsdt_mod->Header.Length+=4*table_added;␉␉␊ |
| 1533 | ␉␊ |
| 1534 | ␉DBG("RSDT: Original checksum %d\n", rsdt_mod->Header.Checksum);␉␉␉␊ |
| 1535 | ␉␊ |
| 1536 | ␉SetChecksum(&rsdt_mod->Header);␊ |
| 1537 | ␉␊ |
| 1538 | ␉DBG("New checksum %d at %x\n", rsdt_mod->Header.Checksum,rsdt_mod);␊ |
| 1539 | ␉␊ |
| 1540 | ␉update_rsdp_with_rsdt(rsdp_mod, rsdt_mod);␊ |
| 1541 | ␉␊ |
| 1542 | ␉if (gen_xsdt)␊ |
| 1543 | ␉{␊ |
| 1544 | ␉␉verbose("* Creating new XSDT from RSDT table\n");␊ |
| 1545 | ␉␉xsdt_conv = (ACPI_TABLE_XSDT *)gen_alloc_xsdt_from_rsdt(rsdt_mod);␊ |
| 1546 | ␉␉update_rsdp_with_xsdt(rsdp_mod, xsdt_conv); ␉␉␉␉␊ |
| 1547 | ␉␉␊ |
| 1548 | ␉}␉␊ |
| 1549 | }␉␊ |
| 1550 | ␊ |
| 1551 | ␊ |
| 1552 | ␊ |
| 1553 | EFI_STATUS setupAcpi(void)␊ |
| 1554 | {␉␊ |
| 1555 | ␉U8 Revision = 0;␊ |
| 1556 | ␉␊ |
| 1557 | cpu_map_error = 0;␊ |
| 1558 | cpu_map_count = 0;␊ |
| 1559 | pmbase = 0;␊ |
| 1560 | ␊ |
| 1561 | EFI_STATUS Status = EFI_ABORTED;␊ |
| 1562 | ␉␊ |
| 1563 | ␉U32 new_table_list[MAX_ACPI_TABLE + RESERVED_AERA]; //max table + reserved aera ␊ |
| 1564 | ␉U8 new_table_index = 0;␊ |
| 1565 | ␉␊ |
| 1566 | ␉ACPI_TABLE_DSDT* DsdtPtr␉ = (void *)0ul; // a Pointer to the dsdt table present in fadt_mod␊ |
| 1567 | ␉␊ |
| 1568 | ␉ACPI_TABLE_DSDT *new_dsdt␉ = (void *)0ul;␉// a Pointer to the dsdt file␉␊ |
| 1569 | ␉ACPI_TABLE_FADT *fadt_mod␉ = (void *)0ul; // a Pointer to the patched FACP table␊ |
| 1570 | ␉ACPI_TABLE_FADT *fadt_file␉ = (void *)0ul; // a Pointer to the (non-patched) fadt file ␊ |
| 1571 | ␉ACPI_TABLE_FADT *FacpPointer = (void *)0ul; // a Pointer to the non-patched FACP table, it can be a file or the FACP table found in the RSDT/XSDT␊ |
| 1572 | ␉ACPI_TABLE_RSDP *rsdp_mod␉ = (void *)0ul, *rsdp_conv␉= (void *)0ul;␊ |
| 1573 | ␉␊ |
| 1574 | ␉␊ |
| 1575 | ␉U32 rsdplength;␊ |
| 1576 | ␉␊ |
| 1577 | ␉bool update_acpi=false, gen_xsdt=false;␊ |
| 1578 | ␉␊ |
| 1579 | ␉bool gen_csta=false, gen_psta=false, speed_step=false;␊ |
| 1580 | ␉␊ |
| 1581 | ␉bool oem_dsdt=false, oem_fadt=false;␊ |
| 1582 | ␉␊ |
| 1583 | ␉// Find original rsdp ␊ |
| 1584 | ␉if (!FindAcpiTables(&acpi_tables)){␊ |
| 1585 | ␉␉printf("Error: AcpiCodec Failed to detect ACPI tables.\n");␊ |
| 1586 | ␉␉getc();␊ |
| 1587 | ␉␉return EFI_NOT_FOUND;␊ |
| 1588 | ␉}␊ |
| 1589 | ␉␊ |
| 1590 | ␉{␊ |
| 1591 | ␉␉U8 i;␊ |
| 1592 | ␉␉␊ |
| 1593 | ␉␉for (i=0; i<(MAX_ACPI_TABLE + RESERVED_AERA); i++) {␊ |
| 1594 | ␉␉␉new_table_list[i] = 0ul;␊ |
| 1595 | ␉␉}␊ |
| 1596 | ␉␉bool tmpval;␊ |
| 1597 | ␉␉␊ |
| 1598 | ␉␉oem_dsdt=getBoolForKey(kOEMDSDT, &tmpval, &bootInfo->bootConfig)&&tmpval;␊ |
| 1599 | ␉␉oem_fadt=getBoolForKey(kOEMFADT, &tmpval, &bootInfo->bootConfig)&&tmpval;␊ |
| 1600 | ␊ |
| 1601 | ␉␉␊ |
| 1602 | ␉␉gen_csta=getBoolForKey(kGenerateCStates, &tmpval, &bootInfo->bootConfig)&&tmpval;␊ |
| 1603 | ␉␉gen_psta=getBoolForKey(kGeneratePStates, &tmpval, &bootInfo->bootConfig)&&tmpval;␊ |
| 1604 | ␊ |
| 1605 | ␉␉update_acpi=getBoolForKey(kUpdateACPI, &tmpval, &bootInfo->bootConfig)&&tmpval;␊ |
| 1606 | ␉␉␊ |
| 1607 | ␉␉speed_step=getBoolForKey(kSpeedstep, &tmpval, &bootInfo->bootConfig)&&tmpval;␊ |
| 1608 | ␉␉␊ |
| 1609 | ␉} ␊ |
| 1610 | ␉␉␊ |
| 1611 | ␉{␊ |
| 1612 | ␉␉char* name;␊ |
| 1613 | ␉␉long flags;␊ |
| 1614 | ␉␉long time;␊ |
| 1615 | ␉␉long ret = -1;␊ |
| 1616 | ␉␉U8 i = 0;␊ |
| 1617 | ␉␉char dirspec[512];␊ |
| 1618 | ␉␉bool acpidir_found = false;␊ |
| 1619 | ␉␉␊ |
| 1620 | ␉␉ret = GetFileInfo("/Extra/", "Acpi", &flags, &time);␊ |
| 1621 | ␉␉if ((ret == 0) && ((flags & kFileTypeMask) == kFileTypeDirectory)) {␊ |
| 1622 | ␉␉␉sprintf(dirspec, "/Extra/Acpi/");␊ |
| 1623 | ␉␉␉acpidir_found = true;␊ |
| 1624 | ␊ |
| 1625 | ␉␉} else {␊ |
| 1626 | ␉␉␉ret = GetFileInfo("bt(0,0)/Extra/", "Acpi", &flags, &time);␊ |
| 1627 | ␉␉␉if ((ret == 0) && ((flags & kFileTypeMask) == kFileTypeDirectory)) {␊ |
| 1628 | ␉␉␉␉sprintf(dirspec, "bt(0,0)/Extra/Acpi/");␊ |
| 1629 | ␉␉␉␉acpidir_found = true;␊ |
| 1630 | ␊ |
| 1631 | ␉␉␉} ␊ |
| 1632 | ␉␉}␊ |
| 1633 | ␊ |
| 1634 | ␉␉if (acpidir_found == true) {␊ |
| 1635 | ␉␉␉struct dirstuff* moduleDir = opendir(dirspec);␊ |
| 1636 | ␉␉␉while(readdir(moduleDir, (const char**)&name, &flags, &time) >= 0)␊ |
| 1637 | ␉␉␉{␉␉␊ |
| 1638 | ␉␉␉␉if((strcmp(&name[strlen(name) - sizeof("aml")], ".aml") == 0) && ((strlen(dirspec)+strlen(name)) < 512))␊ |
| 1639 | ␉␉␉␉{␉␉␉␉␉␊ |
| 1640 | ␉␉␉␉␉// Some simple verifications to save time in case of those tables simply named as follow:␊ |
| 1641 | ␉␉␉␉␉if ((strncmp(name, "RSDT", 4) == 0) || (strncmp(name, "rsdt", 4) == 0) ||␊ |
| 1642 | ␉␉␉␉␉␉(strncmp(name, "XSDT", 4) == 0) || (strncmp(name, "xsdt", 4) == 0) ||␊ |
| 1643 | ␉␉␉␉␉␉(strncmp(name, "RSDP", 4) == 0) || (strncmp(name, "rsdp", 4) == 0))␊ |
| 1644 | ␉␉␉␉␉{ ␊ |
| 1645 | ␉␉␉␉␉␉continue;␊ |
| 1646 | ␉␉␉␉␉}␊ |
| 1647 | ␉␉␉␉␉␊ |
| 1648 | ␉␉␉␉␉if ((strncmp(name, "FACS", 4) == 0) || (strncmp(name, "facs", 4) == 0)) { // For now FACS is not supported␊ |
| 1649 | ␉␉␉␉␉␉continue;␊ |
| 1650 | ␉␉␉␉␉}␉␉␉␉␉␊ |
| 1651 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␊ |
| 1652 | ␉␉␉␉␉char* tmp = malloc(strlen(name) + 1);␊ |
| 1653 | ␉␉␉␉␉strcpy(tmp, name);␊ |
| 1654 | ␉␉␉␉␉␊ |
| 1655 | ␉␉␉␉␉DBG("* Attempting to load acpi table: %s\n", tmp);␉␉␉␊ |
| 1656 | ␉␉␉␉␉if( (new_table_list[i]=(U32)loadACPITable(dirspec,tmp)))␊ |
| 1657 | ␉␉␉␉␉{␊ |
| 1658 | ␉␉␉␉␉␉if (i < MAX_ACPI_TABLE) {␊ |
| 1659 | ␉␉␉␉␉␉␉i++;␊ |
| 1660 | ␉␉␉␉␉␉} else {␊ |
| 1661 | ␉␉␉␉␉␉␉break;␊ |
| 1662 | ␉␉␉␉␉␉}␊ |
| 1663 | ␊ |
| 1664 | ␉␉␉␉␉␉␊ |
| 1665 | ␉␉␉␉␉} else {␊ |
| 1666 | ␉␉␉␉␉␉free(tmp);␊ |
| 1667 | ␉␉␉␉␉}␊ |
| 1668 | ␊ |
| 1669 | ␉␉␉␉}␊ |
| 1670 | #if DEBUG_ACPI␊ |
| 1671 | ␉␉␉␉else ␊ |
| 1672 | ␉␉␉␉{␊ |
| 1673 | ␉␉␉␉␉DBG("Ignoring %s\n", name);␊ |
| 1674 | ␉␉␉␉}␊ |
| 1675 | #endif␊ |
| 1676 | ␉␉␉␉␊ |
| 1677 | ␉␉␉}␊ |
| 1678 | ␉␉␉␊ |
| 1679 | ␉␉␉if (i) {␊ |
| 1680 | ␉␉␉␉//sanitize the new tables list ␊ |
| 1681 | ␉␉␉␉sanitize_new_table_list(new_table_list);␊ |
| 1682 | ␉␉␉␉␊ |
| 1683 | ␉␉␉␉//move to kernel memory ␊ |
| 1684 | ␉␉␉␉move_table_list_to_kmem(new_table_list);␊ |
| 1685 | ␉␉␉␉␊ |
| 1686 | ␉␉␉␉DBG("New ACPI tables Loaded in memory\n");␊ |
| 1687 | ␉␉␉}␊ |
| 1688 | ␉␉}␊ |
| 1689 | ␉␉␊ |
| 1690 | ␉}␉␉␉␊ |
| 1691 | ␊ |
| 1692 | ␉// TODO : Add an option for that␊ |
| 1693 | //cpuNamespace = CPU_NAMESPACE_PR; //Default␊ |
| 1694 | ␊ |
| 1695 | ␊ |
| 1696 | ␉if (speed_step) {␊ |
| 1697 | ␉␉gen_psta= true;␊ |
| 1698 | ␉␉gen_csta= true;␊ |
| 1699 | ␉} ␉␉␊ |
| 1700 | ␉ ␊ |
| 1701 | ␉␊ |
| 1702 | ␉ACPI_TABLE_RSDP *rsdp=(ACPI_TABLE_RSDP *)acpi_tables.RsdPointer;␊ |
| 1703 | ␉␊ |
| 1704 | ␉if (rsdp == (void*)0ul || (GetChecksum(rsdp, (rsdp->Revision == 0) ? ACPI_RSDP_REV0_SIZE:sizeof(ACPI_TABLE_RSDP)) != 0) ) {␊ |
| 1705 | ␉␉printf("Error : ACPI RSD PTR Revision %d checksum is incorrect or table not found \n",rsdp->Revision );␊ |
| 1706 | ␉␉return EFI_UNSUPPORTED;␊ |
| 1707 | ␉}␊ |
| 1708 | ␉␊ |
| 1709 | ␉if ((update_acpi) && (rsdp->Revision == 0))␊ |
| 1710 | ␉{␊ |
| 1711 | ␉␉␊ |
| 1712 | ␉␉rsdp_conv = (ACPI_TABLE_RSDP *)gen_alloc_rsdp_v2_from_v1(rsdp);␊ |
| 1713 | ␉␉if (rsdp_conv != (void *)0ul) {␊ |
| 1714 | ␉␉␉gen_xsdt = true; ␊ |
| 1715 | ␉␉␉rsdp = rsdp_conv;␊ |
| 1716 | ␉␉␉verbose("Converted ACPI RSD PTR Revision 0 to Revision 2\n");␊ |
| 1717 | ␉␉}␊ |
| 1718 | ␉␉␊ |
| 1719 | ␉}␊ |
| 1720 | ␉␊ |
| 1721 | ␉Revision = rsdp->Revision ;␊ |
| 1722 | ␉rsdplength=(Revision == 2)?rsdp->Length:ACPI_RSDP_REV0_SIZE;␊ |
| 1723 | ␉␊ |
| 1724 | ␉DBG("RSDP Revision %d found @%x. Length=%d\n",Revision,rsdp,rsdplength);␊ |
| 1725 | ␉␊ |
| 1726 | ␉/* FIXME: no check that memory allocation succeeded ␊ |
| 1727 | ␉ * Copy and patch RSDP,RSDT, XSDT and FADT␊ |
| 1728 | ␉ * For more info see ACPI Specification pages 110 and following␊ |
| 1729 | ␉ */␊ |
| 1730 | ␉␊ |
| 1731 | ␉if (gen_xsdt)␊ |
| 1732 | ␉{␊ |
| 1733 | ␉␉rsdp_mod=rsdp_conv;␊ |
| 1734 | ␉} else {␊ |
| 1735 | ␉␉rsdp_mod=(ACPI_TABLE_RSDP *) AllocateKernelMemory(rsdplength);␊ |
| 1736 | ␉␉memcpy(rsdp_mod, rsdp, rsdplength);␊ |
| 1737 | ␉}␉␊ |
| 1738 | ␉␊ |
| 1739 | ␉␉␊ |
| 1740 | ␉if ((fadt_file = (ACPI_TABLE_FADT *)get_new_table_in_list(new_table_list, NAMESEG("FACP"), &new_table_index)) != (void *)0ul) {␊ |
| 1741 | ␉␉␊ |
| 1742 | ␉␉if (oem_fadt == false)␊ |
| 1743 | ␉␉␉FacpPointer = (ACPI_TABLE_FADT *)fadt_file;␊ |
| 1744 | ␉␉␊ |
| 1745 | ␉␉new_table_list[new_table_index] = 0ul; // This way, the non-patched table will not be added in our new rsdt/xsdt table list␊ |
| 1746 | ␉␉␊ |
| 1747 | ␉} else␊ |
| 1748 | ␉␉FacpPointer = (acpi_tables.FacpPointer64 != (void *)0ul) ? ␊ |
| 1749 | ␉␉(ACPI_TABLE_FADT *)acpi_tables.FacpPointer64 : (ACPI_TABLE_FADT *)acpi_tables.FacpPointer;␉␉␉␊ |
| 1750 | ␉␊ |
| 1751 | #if DEBUG_ACPI␊ |
| 1752 | ␉if ((FacpPointer != (void *)0ul) || (oem_fadt == false)) {␊ |
| 1753 | ␉␉printf("FADT found @%x, Length %d\n",FacpPointer, FacpPointer->Header.Length);␊ |
| 1754 | ␉␉printf("Attempting to patch FADT entry of %s\n",(acpi_tables.FacpPointer64 != (void *)0ul) ? ACPI_SIG_XSDT : ACPI_SIG_RSDT);␊ |
| 1755 | ␉}␊ |
| 1756 | #endif␉␊ |
| 1757 | ␉␊ |
| 1758 | ␉if ((new_dsdt = (ACPI_TABLE_DSDT *)get_new_table_in_list(new_table_list, NAMESEG("DSDT"), &new_table_index)) != (void*)0ul ) {␊ |
| 1759 | ␉␉new_table_list[new_table_index] = 0ul; // This way, the DSDT file will not be added in our new rsdt/xsdt table list, and it shouldn't be anyway␊ |
| 1760 | ␉}␊ |
| 1761 | ␉␊ |
| 1762 | ␉if (oem_fadt == false) {␊ |
| 1763 | ␉␉␊ |
| 1764 | ␉␉fadt_mod = patch_fadt(FacpPointer, (oem_dsdt == false) ? new_dsdt : (void*)0ul , (acpi_tables.FacpPointer64 != (void *)0ul ));␉␊ |
| 1765 | ␉␉␊ |
| 1766 | ␉␉␊ |
| 1767 | ␉␉DsdtPtr = ((fadt_mod->Header.Revision >= 3) && (fadt_mod->XDsdt != 0)) ? (ACPI_TABLE_DSDT*)((U32)fadt_mod->XDsdt):(ACPI_TABLE_DSDT*)fadt_mod->Dsdt;␊ |
| 1768 | ␉␉␊ |
| 1769 | ␉␉if (fadt_mod != (void*)0ul) {␊ |
| 1770 | ␉␉␉␊ |
| 1771 | ␉␉␉U8 empty = get_0ul_index_in_list(new_table_list,true);␊ |
| 1772 | ␉␉␉if (empty != ACPI_TABLE_LIST_FULL) {␊ |
| 1773 | ␉␉␉␉new_table_list[empty] = (U32)fadt_mod; // add the patched table to the list␊ |
| 1774 | ␉␉␉} else {␊ |
| 1775 | ␉␉␉␉printf("Error: not enought reserved space in the new acpi list for the Patched FACP table,\n ");␊ |
| 1776 | ␉␉␉␉printf(" please increase the RESERVED_AERA\n");␊ |
| 1777 | ␉␉␉}␉␉␉␊ |
| 1778 | ␉␉␉␊ |
| 1779 | ␉␉} else {␊ |
| 1780 | ␉␉␉printf("Error: Failed to patch the FADT Table, trying fallback to the FADT original pointer\n");␊ |
| 1781 | ␉␉␉fadt_mod = (acpi_tables.FacpPointer64 != (void *)0ul) ? ␊ |
| 1782 | ␉␉␉(ACPI_TABLE_FADT *)acpi_tables.FacpPointer64 : (ACPI_TABLE_FADT *)acpi_tables.FacpPointer;␊ |
| 1783 | ␉␉␉␊ |
| 1784 | ␉␉␉U8 empty = get_0ul_index_in_list(new_table_list,true);␊ |
| 1785 | ␉␉␉if (empty != ACPI_TABLE_LIST_FULL) {␊ |
| 1786 | ␉␉␉␉new_table_list[empty] = (U32)fadt_mod; ␊ |
| 1787 | ␉␉␉} else {␊ |
| 1788 | ␉␉␉␉printf("Error: not enought reserved space in the new acpi list for the FACP table,\n ");␊ |
| 1789 | ␉␉␉␉printf(" please increase the RESERVED_AERA\n");␊ |
| 1790 | ␉␉␉}␊ |
| 1791 | ␉␉}␉␊ |
| 1792 | ␉␉␊ |
| 1793 | ␉␉if (oem_dsdt == false) {␊ |
| 1794 | ␉␉␉if (generate_cpu_map_from_acpi(DsdtPtr) == 0){␊ |
| 1795 | ␉␉␉␉U8 new_uid = (U8)getPciRootUID();␊ |
| 1796 | ␉␉␉␉␊ |
| 1797 | ␉␉␉␉/* WARNING: THIS METHOD WORK PERFECTLY BUT IT CAN RESULT TO AN INCORRECT CHECKSUM */␊ |
| 1798 | ␉␉␉␉␊ |
| 1799 | ␉␉␉␉if (ProcessDsdt(DsdtPtr, UIDPointer, new_uid)) {␊ |
| 1800 | ␉␉␉␉␉printf("PCI0 _UID patched to %d in the DSDT table\n", new_uid);␊ |
| 1801 | ␉␉␉␉}␉␉␉␉␊ |
| 1802 | ␉␉␉␉␊ |
| 1803 | ␉␉␉}␊ |
| 1804 | ␉␉}␊ |
| 1805 | ␉␉␊ |
| 1806 | ␉␉ ␊ |
| 1807 | ␉} else {␊ |
| 1808 | ␉␉␊ |
| 1809 | ␉␉// here we use the variable fadt_mod only for SSDT Generation␊ |
| 1810 | ␉␉␊ |
| 1811 | ␉␉fadt_mod = (acpi_tables.FacpPointer64 != (void *)0ul) ? ␊ |
| 1812 | ␉␉(ACPI_TABLE_FADT *)acpi_tables.FacpPointer64 : (ACPI_TABLE_FADT *)acpi_tables.FacpPointer;␊ |
| 1813 | ␉␉␊ |
| 1814 | ␉␉DsdtPtr = ((fadt_mod->Header.Revision >= 3) && (fadt_mod->XDsdt != 0)) ? (ACPI_TABLE_DSDT*)((U32)fadt_mod->XDsdt)␊ |
| 1815 | ␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉:(ACPI_TABLE_DSDT*)fadt_mod->Dsdt;␊ |
| 1816 | ␉}␊ |
| 1817 | ␉␊ |
| 1818 | ␉if (speed_step || gen_csta || gen_psta) {␊ |
| 1819 | ␉␉U8 empty = get_0ul_index_in_list(new_table_list, true);␊ |
| 1820 | ␉␉␊ |
| 1821 | ␉␉// Generate _CST SSDT␊ |
| 1822 | ␉␉if ( speed_step || gen_csta)␊ |
| 1823 | ␉␉{␊ |
| 1824 | ␉␉␉if (empty != ACPI_TABLE_LIST_FULL) {␊ |
| 1825 | ␉␉␉␉if (new_table_list[empty] =(U32)generate_cst_ssdt(fadt_mod))␊ |
| 1826 | ␉␉␉␉{␊ |
| 1827 | ␉␉␉␉␉if (speed_step || gen_psta)␊ |
| 1828 | ␉␉␉␉␉␉empty = get_0ul_index_in_list(new_table_list,true);␊ |
| 1829 | ␉␉␉␉}␊ |
| 1830 | ␉␉␉} else {␊ |
| 1831 | ␉␉␉␉printf("Error: not enought reserved space in the new acpi list for the _CST SSDT table,\n ");␊ |
| 1832 | ␉␉␉␉printf(" please increase the RESERVED_AERA\n");␊ |
| 1833 | ␉␉␉}␊ |
| 1834 | ␉␉}␊ |
| 1835 | ␉␉␊ |
| 1836 | ␉␉␊ |
| 1837 | ␉␉// Generating _PSS SSDT␊ |
| 1838 | ␉␉if (speed_step || gen_psta)␊ |
| 1839 | ␉␉{␊ |
| 1840 | ␉␉␉if (empty != ACPI_TABLE_LIST_FULL) {␊ |
| 1841 | ␉␉␉␉␊ |
| 1842 | ␉␉␉␉new_table_list[empty] =(U32)generate_pss_ssdt(DsdtPtr);␊ |
| 1843 | ␉␉␉␉␊ |
| 1844 | ␉␉␉} else {␊ |
| 1845 | ␉␉␉␉printf("Error: not enought reserved space in the new acpi list for the _PSS SSDT table,\n ");␊ |
| 1846 | ␉␉␉␉printf(" please increase the RESERVED_AERA\n");␊ |
| 1847 | ␉␉␉}␊ |
| 1848 | ␉␉}␊ |
| 1849 | ␉}␊ |
| 1850 | ␊ |
| 1851 | ␉if ((rsdp_mod != (void *)0ul) && (rsdp_mod->Length >= ACPI_RSDP_REV0_SIZE) ) ␊ |
| 1852 | ␉{␊ |
| 1853 | ␉␉if ((rsdp_mod->Revision == 0) || (gen_xsdt == true)) {␊ |
| 1854 | ␉␉␉process_rsdt(rsdp_mod, gen_xsdt, new_table_list);␊ |
| 1855 | ␉␉␉goto out;␊ |
| 1856 | ␉␉}␊ |
| 1857 | ␉␉␊ |
| 1858 | ␉} else {␊ |
| 1859 | ␉␉printf("Error: Incorect ACPI RSD PTR or not found \n");␊ |
| 1860 | ␉␉return EFI_UNSUPPORTED;␊ |
| 1861 | ␉}␊ |
| 1862 | ␊ |
| 1863 | ␉if ((GetChecksum(rsdp_mod, sizeof(ACPI_TABLE_RSDP)) == 0) &&␊ |
| 1864 | ␉␉(Revision == 2) &&␊ |
| 1865 | ␉␉(rsdplength == sizeof(ACPI_TABLE_RSDP)))␊ |
| 1866 | ␉{␊ |
| 1867 | ␉␉process_xsdt(rsdp_mod, new_table_list);␊ |
| 1868 | ␉} else {␊ |
| 1869 | ␉␉printf("Warning : ACPI RSD PTR Revision 2 is incorrect, \n");␊ |
| 1870 | ␉␉printf(" trying to fallback to Revision 1\n");␊ |
| 1871 | ␉␉if ((rsdp_mod != (void *)0ul) && (rsdp_mod->Length >= ACPI_RSDP_REV0_SIZE) ) ␊ |
| 1872 | ␉␉{␉␉␉␊ |
| 1873 | ␉␉␉process_rsdt(rsdp_mod, false, new_table_list);␊ |
| 1874 | ␉␉␉␉␉␉␊ |
| 1875 | ␉␉} else {␊ |
| 1876 | ␉␉␉printf("Error: Incorect ACPI RSD PTR or not found \n");␊ |
| 1877 | ␉␉␉return EFI_UNSUPPORTED;␊ |
| 1878 | ␉␉}␊ |
| 1879 | ␉}␊ |
| 1880 | ␊ |
| 1881 | out:␊ |
| 1882 | ␉// Correct the checksum of RSDP ␊ |
| 1883 | ␉␊ |
| 1884 | ␉DBG("RSDP: Original checksum %d\n", rsdp_mod->Checksum);␉␉␊ |
| 1885 | ␉␊ |
| 1886 | ␉setRsdpchecksum(rsdp_mod);␊ |
| 1887 | ␉␊ |
| 1888 | ␉DBG("New checksum %d\n", rsdp_mod->Checksum);␊ |
| 1889 | ␉␊ |
| 1890 | ␉if (Revision == 2)␊ |
| 1891 | ␉{␊ |
| 1892 | ␉␉DBG("RSDP: Original extended checksum %d\n", rsdp_mod->ExtendedChecksum);␉␉␉␊ |
| 1893 | ␉␉␊ |
| 1894 | ␉␉setRsdpXchecksum(rsdp_mod);␊ |
| 1895 | ␉␉␊ |
| 1896 | ␉␉DBG("New extended checksum %d\n", rsdp_mod->ExtendedChecksum);␊ |
| 1897 | ␉␉␊ |
| 1898 | ␉}␊ |
| 1899 | ␉␊ |
| 1900 | ␉verbose("ACPI Revision %d successfully patched\n", Revision);␊ |
| 1901 | ␉␊ |
| 1902 | ␉if (Revision == 2)␊ |
| 1903 | ␉{␊ |
| 1904 | ␉␉rsd_p = ((U64)((U32)rsdp_mod));␊ |
| 1905 | ␉␉if (rsd_p)␊ |
| 1906 | ␉␉␉Status = addConfigurationTable(&gEfiAcpi20TableGuid, &rsd_p, "ACPI_20");␊ |
| 1907 | ␉}␊ |
| 1908 | ␉else␊ |
| 1909 | ␉{␊ |
| 1910 | ␉␉rsd_p = ((U64)((U32)rsdp_mod));␊ |
| 1911 | ␉␉if (rsd_p)␊ |
| 1912 | ␉␉␉Status = addConfigurationTable(&gEfiAcpiTableGuid, &rsd_p, "ACPI");␉␉␊ |
| 1913 | ␊ |
| 1914 | ␉}␊ |
| 1915 | ␉␊ |
| 1916 | #if DEBUG_ACPI␊ |
| 1917 | ␉printf("Press a key to continue... (DEBUG_DSDT)\n");␊ |
| 1918 | ␉getc();␊ |
| 1919 | #endif␊ |
| 1920 | ␉return Status;␊ |
| 1921 | }␊ |
| 1922 | |
