| 1 | /*␊ |
| 2 | * Copyright 2008 mackerintel␊ |
| 3 | */␊ |
| 4 | ␊ |
| 5 | /* ␊ |
| 6 | Copyright (c) 2010, Intel Corporation␊ |
| 7 | All rights reserved.␊ |
| 8 | ␊ |
| 9 | Redistribution and use in source and binary forms, with or without␊ |
| 10 | modification, are permitted provided that the following conditions are met:␊ |
| 11 | ␊ |
| 12 | * Redistributions of source code must retain the above copyright notice,␊ |
| 13 | this list of conditions and the following disclaimer.␊ |
| 14 | * Redistributions in binary form must reproduce the above copyright notice,␊ |
| 15 | this list of conditions and the following disclaimer in the documentation␊ |
| 16 | and/or other materials provided with the distribution.␊ |
| 17 | * Neither the name of Intel Corporation nor the names of its contributors␊ |
| 18 | may be used to endorse or promote products derived from this software␊ |
| 19 | without specific prior written permission.␊ |
| 20 | ␊ |
| 21 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND␊ |
| 22 | ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED␊ |
| 23 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE␊ |
| 24 | DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR␊ |
| 25 | ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES␊ |
| 26 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;␊ |
| 27 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON␊ |
| 28 | ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT␊ |
| 29 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS␊ |
| 30 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.␊ |
| 31 | */␊ |
| 32 | ␊ |
| 33 | /*␊ |
| 34 | * Copyright (c) 2011 cparm <armelcadetpetit@gmail.com>. All rights reserved.␊ |
| 35 | *␊ |
| 36 | */␊ |
| 37 | ␊ |
| 38 | #include "libsaio.h"␊ |
| 39 | #include "boot.h"␊ |
| 40 | #include "bootstruct.h"␊ |
| 41 | #include "acpi.h"␊ |
| 42 | #include "acpidecode.h"␊ |
| 43 | #include "acpicode.h"␊ |
| 44 | #include "efi_tables.h"␊ |
| 45 | #include "fake_efi.h"␊ |
| 46 | #include "acpi_codec.h"␊ |
| 47 | #include "platform.h"␊ |
| 48 | #include "cpu.h"␊ |
| 49 | #include "xml.h"␊ |
| 50 | #include "pci_root.h"␊ |
| 51 | #include "sl.h"␊ |
| 52 | ␊ |
| 53 | U64 rsd_p;␊ |
| 54 | ACPI_TABLES acpi_tables;␊ |
| 55 | ␊ |
| 56 | #ifndef DEBUG_ACPI␊ |
| 57 | #define DEBUG_ACPI 0␊ |
| 58 | #endif␊ |
| 59 | ␊ |
| 60 | #if DEBUG_ACPI==2␊ |
| 61 | #define DBG(x...) {printf(x); sleep(1);}␊ |
| 62 | #elif DEBUG_ACPI==1␊ |
| 63 | #define DBG(x...) printf(x)␊ |
| 64 | #else␊ |
| 65 | #define DBG(x...)␊ |
| 66 | #endif␊ |
| 67 | ␊ |
| 68 | #define OLD_SSDT 0␊ |
| 69 | #define BETA 0␊ |
| 70 | #define BUILD_ACPI_TSS 0␊ |
| 71 | #define pstate_power_support 1␊ |
| 72 | ␊ |
| 73 | #if BETA␊ |
| 74 | #ifdef pstate_power_support␊ |
| 75 | #undef pstate_power_support␊ |
| 76 | #endif␊ |
| 77 | #define pstate_power_support 1␊ |
| 78 | #endif␊ |
| 79 | ␊ |
| 80 | extern EFI_STATUS addConfigurationTable();␊ |
| 81 | ␊ |
| 82 | extern EFI_GUID gEfiAcpiTableGuid;␊ |
| 83 | extern EFI_GUID gEfiAcpi20TableGuid;␊ |
| 84 | ␊ |
| 85 | #if DEBUG_ACPI␊ |
| 86 | static void print_nameseg(U32 i);␊ |
| 87 | #endif␊ |
| 88 | ␊ |
| 89 | static ACPI_TABLE_HEADER * get_new_table_in_list(U32 *new_table_list, U32 Signature, U8 *retIndex );␊ |
| 90 | static U8 get_0ul_index_in_list(U32 *new_table_list, bool reserved );␊ |
| 91 | static void sanitize_new_table_list(U32 *new_table_list );␊ |
| 92 | static void move_table_list_to_kmem(U32 *new_table_list );␊ |
| 93 | static ACPI_TABLE_RSDP * gen_alloc_rsdp_v2_from_v1(ACPI_TABLE_RSDP *rsdp );␊ |
| 94 | static ACPI_TABLE_RSDT * gen_alloc_rsdt_from_xsdt(ACPI_TABLE_XSDT *xsdt);␊ |
| 95 | static ACPI_TABLE_XSDT * gen_alloc_xsdt_from_rsdt(ACPI_TABLE_RSDT *rsdt);␊ |
| 96 | static void *loadACPITable(char *dirspec, char *filename );␊ |
| 97 | static int generate_cpu_map_from_acpi(ACPI_TABLE_DSDT * DsdtPointer);␊ |
| 98 | static ACPI_GENERIC_ADDRESS FillGASStruct(U32 Address, U8 Length);␊ |
| 99 | static U32 process_xsdt (ACPI_TABLE_RSDP *rsdp_mod , U32 *new_table_list);␊ |
| 100 | static U32 process_rsdt(ACPI_TABLE_RSDP *rsdp_mod , bool gen_xsdt, U32 *new_table_list);␊ |
| 101 | static ACPI_TABLE_FADT * patch_fadt(ACPI_TABLE_FADT *fadt, ACPI_TABLE_DSDT *new_dsdt, bool UpdateFADT);␊ |
| 102 | ␊ |
| 103 | #if OLD_SSDT␊ |
| 104 | #include "modules.h"␊ |
| 105 | struct aml_chunk ␊ |
| 106 | {␊ |
| 107 | ␉unsigned char␉␉Type;␊ |
| 108 | ␉unsigned int␉␉Length;␊ |
| 109 | ␉char*␉␉␉␉Buffer;␊ |
| 110 | ␉␊ |
| 111 | ␉unsigned int␉␉Size;␊ |
| 112 | ␉␊ |
| 113 | ␉struct aml_chunk*␉Next;␊ |
| 114 | ␉struct aml_chunk*␉First;␊ |
| 115 | ␉struct aml_chunk*␉Last;␊ |
| 116 | };␊ |
| 117 | static U32 get_needed_symbols (void);␊ |
| 118 | static ACPI_TABLE_SSDT *generate_cst_ssdt(ACPI_TABLE_FADT* fadt);␊ |
| 119 | static ACPI_TABLE_SSDT *generate_pss_ssdt(ACPI_TABLE_DSDT* dsdt);␊ |
| 120 | struct aml_chunk* (*aml_create_node)(struct aml_chunk*) = NULL;␉␉␉␊ |
| 121 | struct aml_chunk* (*aml_add_buffer)(struct aml_chunk*,const char*, unsigned int) = NULL;␉␉␉␊ |
| 122 | struct aml_chunk* (*aml_add_byte)(struct aml_chunk*, unsigned char) = NULL;␉␉␉␊ |
| 123 | struct aml_chunk* (*aml_add_word)(struct aml_chunk*, unsigned int) = NULL;␊ |
| 124 | struct aml_chunk* (*aml_add_dword)(struct aml_chunk*, unsigned long) = NULL;␉␉␉␊ |
| 125 | struct aml_chunk* (*aml_add_qword)(struct aml_chunk*, unsigned long long) = NULL;␉␉␉␊ |
| 126 | struct aml_chunk* (*aml_add_scope)(struct aml_chunk*, const char*) = NULL;␊ |
| 127 | struct aml_chunk* (*aml_add_name)(struct aml_chunk*, const char*) = NULL;␉␉␉␊ |
| 128 | struct aml_chunk* (*aml_add_package)(struct aml_chunk*) = NULL;␉␉␉␊ |
| 129 | struct aml_chunk* (*aml_add_alias)(struct aml_chunk*, const char*, const char*) = NULL;␉␉␉␊ |
| 130 | void (*aml_destroy_node)(struct aml_chunk*) = NULL;␊ |
| 131 | unsigned int (*aml_calculate_size)(struct aml_chunk*) = NULL;␊ |
| 132 | unsigned int (*aml_write_node)(struct aml_chunk*, char*, unsigned int) = NULL;␊ |
| 133 | bool (*aml_add_to_parent)(struct aml_chunk*, struct aml_chunk*) = NULL;␊ |
| 134 | ␊ |
| 135 | #else␊ |
| 136 | ␊ |
| 137 | #define IA32_MISC_ENABLES 0x01A0␊ |
| 138 | #define MSR_TURBO_POWER_CURRENT_LIMIT 0x1AC␊ |
| 139 | #define MSR_PKG_CST_CONFIG_CONTROL 0x00E2␊ |
| 140 | #define MSR_RAPL_POWER_UNIT 0x606␊ |
| 141 | #define MSR_PKG_RAPL_POWER_LIMIT 0x610␊ |
| 142 | static U32 turbo_enabled = 0;␊ |
| 143 | static U32 ProcessMadt(ACPI_TABLE_MADT * madt, MADT_INFO * madt_info, void * buffer, U32 bufferSize, U32 NB_CPU);␊ |
| 144 | static U32 buildMADT(U32 * new_table_list, ACPI_TABLE_DSDT *dsdt, MADT_INFO * madt_info);␊ |
| 145 | static U32 BuildSsdt(MADT_INFO * madt_info, ACPI_TABLE_DSDT *dsdt, void * buffer, U32 bufferSize, bool enable_cstates, bool enable_pstates, bool enable_tstates);␊ |
| 146 | static bool is_sandybridge(void);␊ |
| 147 | static bool is_jaketown(void);␊ |
| 148 | static U32 encode_pstate(U32 ratio);␊ |
| 149 | static void collect_cpu_info(CPU_DETAILS * cpu);␊ |
| 150 | #ifndef BETA␊ |
| 151 | static U32 BuildCoreIPstateInfo(CPU_DETAILS * cpu);␊ |
| 152 | #endif␊ |
| 153 | static U32 BuildCstateInfo(CPU_DETAILS * cpu, U32 pmbase);␊ |
| 154 | static U32 BuildPstateInfo(CPU_DETAILS * cpu);␊ |
| 155 | static U32 ProcessSsdt(U32 * new_table_list, ACPI_TABLE_DSDT *dsdt, MADT_INFO * madt_info, bool enable_cstates, bool enable_pstates, bool enable_tstates );␊ |
| 156 | static void * buildCpuScope (void * current, U32 cpu_namespace, PROCESSOR_NUMBER_TO_NAMESEG * aslCpuNamePath);␊ |
| 157 | static void * buildPDC(void * current);␊ |
| 158 | static void * buildOSC(void * current);␊ |
| 159 | static void * buildPSS(void * current, PKG_PSTATES * pkg_pstates);␊ |
| 160 | static void * buildPSD(void * current, U32 domain, U32 cpusInDomain, U32 pstate_coordination);␊ |
| 161 | static void * buildPPC(void * current);␊ |
| 162 | static void * buildPCT(void * current);␊ |
| 163 | static void * buildCstate(void * current, ACPI_GENERIC_ADDRESS * gas, CSTATE * cstate);␊ |
| 164 | static void * buildReturnPackageCST(void * current, PKG_CSTATES * pkg_cstates);␊ |
| 165 | static void * buildCST(void * current, PKG_CSTATES * mwait_pkg_cstates, PKG_CSTATES * io_pkg_cstates);␊ |
| 166 | #if BUILD_ACPI_CSD␊ |
| 167 | static void * buildCSD(void * current, U32 domain, U32 cpusInDomain, PKG_CSTATES * pkg_cstates);␊ |
| 168 | #endif␊ |
| 169 | #if BUILD_ACPI_TSS␊ |
| 170 | static U32 BuildTstateInfo(CPU_DETAILS * cpu);␊ |
| 171 | static void * buildTPC(void * current);␊ |
| 172 | static void * buildPTC(void * current);␊ |
| 173 | static void * buildTSS(void * current, PKG_TSTATES * pkg_tstates);␊ |
| 174 | static void * buildTSD(void * current, U32 domain, U32 cpusInDomain);␊ |
| 175 | #endif␊ |
| 176 | #if pstate_power_support␊ |
| 177 | static U64 mulU64byU64(U64 a, U64 b, U64 * high);␊ |
| 178 | static U32 compute_pstate_power(CPU_DETAILS * cpu, U32 ratio, U32 TDP);␊ |
| 179 | #endif␊ |
| 180 | #if BUILD_ACPI_TSS || pstate_power_support␊ |
| 181 | static U64 divU64byU64(U64 n, U64 d, U64 * rem);␊ |
| 182 | static U32 compute_tdp(CPU_DETAILS * cpu);␊ |
| 183 | #endif␊ |
| 184 | static bool is_sandybridge(void);␊ |
| 185 | static bool is_jaketown(void);␊ |
| 186 | static U32 get_bclk(void);␊ |
| 187 | static U32 computePstateRatio(const U32 max, const U32 min, const U32 turboEnabled, const U32 numStates, const U32 pstate);␊ |
| 188 | static U32 computeNumPstates(const U32 max, const U32 min, const U32 turboEnabled, const U32 pssLimit);␊ |
| 189 | ␊ |
| 190 | #endif // OLD_SSDT␊ |
| 191 | ␊ |
| 192 | #if UNUSED␊ |
| 193 | static ACPI_TABLE_FACS* generate_facs(bool updatefacs );␊ |
| 194 | #endif␊ |
| 195 | ␊ |
| 196 | #define MAX_NON_SSDT_TABLE 15␊ |
| 197 | #define MAX_SSDT_TABLE 15 // 15 additional SSDT tables ␊ |
| 198 | #define MAX_ACPI_TABLE MAX_NON_SSDT_TABLE + MAX_SSDT_TABLE␊ |
| 199 | ␊ |
| 200 | // Security space for SSDT , FACP & MADT table generation,␊ |
| 201 | // the size can be increased ␊ |
| 202 | // note: the table will not placed in the reserved space if the 'normal' space is not full␊ |
| 203 | #if OLD_SSDT␊ |
| 204 | #define RESERVED_AERA 4␊ |
| 205 | #else␊ |
| 206 | #define RESERVED_AERA 3␊ |
| 207 | #endif␊ |
| 208 | ␊ |
| 209 | #define ACPI_TABLE_LIST_FULL MAX_ACPI_TABLE + RESERVED_AERA + 1␊ |
| 210 | ␊ |
| 211 | #define ACPI_TABLE_LIST_FULL_NON_RESERVED MAX_ACPI_TABLE + 1␊ |
| 212 | ␊ |
| 213 | #define ULONG_MAX_32 4294967295UL␊ |
| 214 | ␊ |
| 215 | #define __RES(s, u)␉␉␉␉␉␉␉␉␉␉␉␉\␊ |
| 216 | inline unsigned u␉␉␉␉␉␉␉␉␉␉\␊ |
| 217 | resolve_##s(unsigned u defaultentry, char *str, int base) \␊ |
| 218 | {␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉\␊ |
| 219 | unsigned u entry = defaultentry;␉␉␉␉␉␉␉\␊ |
| 220 | if (str && (strcmp(str,"Default") != 0)) {␉␉␉␉␉\␊ |
| 221 | entry = strtoul((const char *)str, NULL,base);␉␉␉␉\␊ |
| 222 | }␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉\␊ |
| 223 | return entry;␉␉␉␉␉␉␉␉␉␉␉␉\␊ |
| 224 | }␊ |
| 225 | ␊ |
| 226 | __RES(pss, long) ␊ |
| 227 | __RES(cst, int) ␊ |
| 228 | ␊ |
| 229 | ␊ |
| 230 | static ACPI_TABLE_HEADER * get_new_table_in_list(U32 *new_table_list, U32 Signature, U8 *retIndex )␊ |
| 231 | {␊ |
| 232 | ␉ACPI_TABLE_HEADER **table_array = (ACPI_TABLE_HEADER **) new_table_list;␊ |
| 233 | ␉U8 index ;␊ |
| 234 | ␉*retIndex = 0;␊ |
| 235 | ␉␊ |
| 236 | ␉for (index = 0; index < (MAX_ACPI_TABLE + RESERVED_AERA); index++)␊ |
| 237 | ␉{␊ |
| 238 | ␉␉if (*(U32 *) (table_array[index]->Signature) == Signature)␊ |
| 239 | ␉␉{␊ |
| 240 | ␉␉␉*retIndex = index;␊ |
| 241 | ␉␉␉return table_array[index] ;␊ |
| 242 | ␉␉}␊ |
| 243 | ␉}␊ |
| 244 | ␉return (void*)0ul;␊ |
| 245 | }␊ |
| 246 | ␊ |
| 247 | static U8 get_0ul_index_in_list(U32 *new_table_list, bool reserved )␊ |
| 248 | {␊ |
| 249 | ␉U8 index ;␊ |
| 250 | ␉␊ |
| 251 | ␉U8 maximum = (reserved == true) ? MAX_ACPI_TABLE + RESERVED_AERA : MAX_ACPI_TABLE;␊ |
| 252 | ␉␊ |
| 253 | ␉for (index = 0; index < maximum; index++)␊ |
| 254 | ␉{␊ |
| 255 | ␉␉if (new_table_list[index] == 0ul)␊ |
| 256 | ␉␉{␊ |
| 257 | ␉␉␉return index ;␊ |
| 258 | ␉␉}␊ |
| 259 | ␉}␊ |
| 260 | ␉return (reserved == true)? ACPI_TABLE_LIST_FULL : ACPI_TABLE_LIST_FULL_NON_RESERVED;␊ |
| 261 | }␊ |
| 262 | ␊ |
| 263 | /* cparm : This time we check it by the acpi signature */␊ |
| 264 | static void sanitize_new_table_list(U32 *new_table_list )␊ |
| 265 | {␊ |
| 266 | ␉ACPI_TABLE_HEADER **table_array = (ACPI_TABLE_HEADER **) new_table_list;␊ |
| 267 | ␉U8 index ;␊ |
| 268 | ␉␊ |
| 269 | ␉for (index = 0; index < MAX_ACPI_TABLE; index++)␊ |
| 270 | ␉{␊ |
| 271 | ␉␉U32 current_sig = *(U32 *) (table_array[index]->Signature);␊ |
| 272 | ␉␉␊ |
| 273 | ␉␉if ((current_sig == NAMESEG(ACPI_SIG_FACS) /* not supported */ ) ␊ |
| 274 | ␉␉␉|| (current_sig == NAMESEG(ACPI_SIG_XSDT)) ␊ |
| 275 | ␉␉␉|| (current_sig == NAMESEG(ACPI_SIG_RSDT)) || (*(volatile U64 *)table_array[index] == NAMESEG64(ACPI_SIG_RSDP)) )␊ |
| 276 | ␉␉{␊ |
| 277 | ␉␉␉␊ |
| 278 | ␉␉␉void *buf = (void*)new_table_list[index];␊ |
| 279 | ␉␉␉free(buf);␊ |
| 280 | ␉␉␉new_table_list[index] = 0ul ;␊ |
| 281 | ␉␉}␊ |
| 282 | ␉}␊ |
| 283 | }␊ |
| 284 | ␊ |
| 285 | /* cparm : move all tables to kernel memory */␊ |
| 286 | static void move_table_list_to_kmem(U32 *new_table_list )␊ |
| 287 | {␊ |
| 288 | ␉ACPI_TABLE_HEADER **table_array = (ACPI_TABLE_HEADER **) new_table_list;␊ |
| 289 | ␉U8 index ;␊ |
| 290 | ␉␊ |
| 291 | ␉for (index = 0; index < MAX_ACPI_TABLE; index++)␊ |
| 292 | ␉{␊ |
| 293 | ␉␉if (new_table_list[index] != 0ul)␊ |
| 294 | ␉␉{␊ |
| 295 | ␊ |
| 296 | ␉␉␉U32 current_sig = *(U32 *) (table_array[index]->Signature);␊ |
| 297 | ␉␉␉if ((current_sig != NAMESEG(ACPI_SIG_FACS) /* not supported */ ) ␊ |
| 298 | ␉␉␉␉&& (current_sig != NAMESEG(ACPI_SIG_XSDT)) ␊ |
| 299 | ␉␉␉␉&& (current_sig != NAMESEG(ACPI_SIG_RSDT)) && (*(volatile U64 *)table_array[index] != NAMESEG64(ACPI_SIG_RSDP))␊ |
| 300 | ␉␉␉␉&& (GetChecksum(table_array[index], table_array[index]->Length) == 0))␊ |
| 301 | ␉␉␉{␊ |
| 302 | ␉␉␉␉␊ |
| 303 | ␉␉␉␉void *tableAddr=(void*)AllocateKernelMemory(table_array[index]->Length);␊ |
| 304 | ␉␉␉␉if (!tableAddr) {␊ |
| 305 | ␉␉␉␉␉printf("Unable to allocate kernel memory for aml file ");␊ |
| 306 | ␉␉␉␉␉␊ |
| 307 | ␉␉␉␉␉void *buf = (void*)new_table_list[index];␊ |
| 308 | ␉␉␉␉␉free(buf);␊ |
| 309 | ␉␉␉␉␉new_table_list[index] = 0ul ;␊ |
| 310 | ␉␉␉␉␉continue;␊ |
| 311 | ␉␉␉␉}␊ |
| 312 | ␉␉␉␉bcopy(table_array[index], tableAddr, table_array[index]->Length);␊ |
| 313 | ␉␉␉␉new_table_list[index] = 0ul ;␊ |
| 314 | ␉␉␉␉new_table_list[index] = (U32)tableAddr ;␊ |
| 315 | ␉␉␉␉␊ |
| 316 | ␉␉␉} ␊ |
| 317 | ␉␉␉else␊ |
| 318 | ␉␉␉{␊ |
| 319 | ␉␉␉␉␊ |
| 320 | ␉␉␉␉void *buf = (void*)new_table_list[index];␊ |
| 321 | ␉␉␉␉free(buf);␊ |
| 322 | ␉␉␉␉new_table_list[index] = 0ul ;␊ |
| 323 | ␉␉␉}␉␉␉␊ |
| 324 | ␉␉}␊ |
| 325 | ␉}␊ |
| 326 | }␊ |
| 327 | ␊ |
| 328 | static ACPI_TABLE_RSDP * gen_alloc_rsdp_v2_from_v1(ACPI_TABLE_RSDP *rsdp )␊ |
| 329 | {␊ |
| 330 | ␉␊ |
| 331 | ␉ACPI_TABLE_RSDP * rsdp_conv = (ACPI_TABLE_RSDP *)AllocateKernelMemory(sizeof(ACPI_TABLE_RSDP));␊ |
| 332 | ␉␊ |
| 333 | ␉if (rsdp_conv) {␊ |
| 334 | ␉␉bzero(rsdp_conv, sizeof(ACPI_TABLE_RSDP));␊ |
| 335 | ␉␉memcpy(rsdp_conv, rsdp, ACPI_RSDP_REV0_SIZE);␊ |
| 336 | ␉␉␊ |
| 337 | ␉␉/* Add/change fields */␊ |
| 338 | ␉␉rsdp_conv->Revision = 2; /* ACPI version 3 */␊ |
| 339 | ␉␉rsdp_conv->Length = sizeof(ACPI_TABLE_RSDP);␊ |
| 340 | ␉␉␊ |
| 341 | ␉␉/* Correct checksums */ ␊ |
| 342 | ␉␉setRsdpchecksum(rsdp_conv);␊ |
| 343 | ␉␉setRsdpXchecksum(rsdp_conv);␊ |
| 344 | ␉}␉ ␊ |
| 345 | ␊ |
| 346 | return (rsdp_conv) ? rsdp_conv : (void*)0ul ;␊ |
| 347 | }␊ |
| 348 | ␊ |
| 349 | static ACPI_TABLE_RSDT * gen_alloc_rsdt_from_xsdt(ACPI_TABLE_XSDT *xsdt)␊ |
| 350 | {␊ |
| 351 | U32 index;␊ |
| 352 | U32 num_tables;␊ |
| 353 | ␉␉␉␊ |
| 354 | ␉DBG("Attempting to generate RSDT from XSDT \n");␊ |
| 355 | ␉␊ |
| 356 | num_tables= get_num_tables64(xsdt);␊ |
| 357 | ␊ |
| 358 | ACPI_TABLE_RSDT * rsdt_conv=(ACPI_TABLE_RSDT *)AllocateKernelMemory(sizeof(ACPI_TABLE_HEADER)+(num_tables * 4));␊ |
| 359 | ␉if (!rsdt_conv)␊ |
| 360 | ␉{␊ |
| 361 | ␉␉printf("Unable to allocate kernel memory for rsdt conv\n");␊ |
| 362 | ␉␉return (void*)0ul;␊ |
| 363 | ␉}␊ |
| 364 | ␉␊ |
| 365 | ␉␊ |
| 366 | ␉bzero(rsdt_conv, sizeof(ACPI_TABLE_HEADER)+(num_tables * 4));␊ |
| 367 | memcpy(&rsdt_conv->Header, &xsdt->Header, sizeof(ACPI_TABLE_HEADER));␊ |
| 368 | ␊ |
| 369 | rsdt_conv->Header.Signature[0] = 'R';␊ |
| 370 | rsdt_conv->Header.Signature[1] = 'S';␊ |
| 371 | rsdt_conv->Header.Signature[2] = 'D';␊ |
| 372 | rsdt_conv->Header.Signature[3] = 'T';␊ |
| 373 | rsdt_conv->Header.Length = sizeof(ACPI_TABLE_HEADER)+(num_tables * 4);␊ |
| 374 | ␊ |
| 375 | ␉for (index=0;index<num_tables;index++)␊ |
| 376 | {␊ |
| 377 | ␉␉U64 ptr = xsdt->TableOffsetEntry[index];␊ |
| 378 | ␉␉␊ |
| 379 | ␉␉{␉␉␉␉␊ |
| 380 | ␉␉␉if (ptr > ULONG_MAX_32)␊ |
| 381 | ␉␉␉{␊ |
| 382 | #if DEBUG_ACPI␉␉␉␉␉␉␊ |
| 383 | ␉␉␉␉printf("Warning xsdt->TableOffsetEntry[%d]: Beyond addressable memory in this CPU mode, ignored !!!\n",index);␊ |
| 384 | #endif␊ |
| 385 | ␉␉␉␉continue;␉␊ |
| 386 | ␉␉␉}␊ |
| 387 | #if DEBUG_ACPI␉␊ |
| 388 | ␉␉␉printf("* Processing : ");␊ |
| 389 | ␉␉␉print_nameseg(*(U32 *) ((ACPI_TABLE_HEADER *) (unsigned long)ptr)->Signature);␊ |
| 390 | ␉␉␉printf("\n");␉␉␉␊ |
| 391 | #endif␉␉␉␉␉␊ |
| 392 | ␉␉␉bool unsafe = false;␊ |
| 393 | ␉␉␉getBoolForKey(kUnsafeACPI, &unsafe, &bootInfo->bootConfig);␊ |
| 394 | ␉␉␉␊ |
| 395 | ␉␉␉if (!unsafe)␊ |
| 396 | ␉␉␉{␊ |
| 397 | ␉␉␉␉if (GetChecksum(((ACPI_TABLE_HEADER *) (unsigned long)ptr), ␊ |
| 398 | ␉␉␉␉␉␉␉␉((ACPI_TABLE_HEADER *) (unsigned long)ptr)->Length) != 0)␊ |
| 399 | ␉␉␉␉{␊ |
| 400 | #if DEBUG_ACPI␉␉␉␉␉␉␊ |
| 401 | ␉␉␉␉␉printf("Warning : Invalide checksum, ignored !!!\n",index);␊ |
| 402 | #endif␊ |
| 403 | ␉␉␉␉␉continue;␊ |
| 404 | ␉␉␉␉}␊ |
| 405 | ␉␉␉}␉␉␉␊ |
| 406 | ␉␉␉␊ |
| 407 | ␉␉}␉␉␉␊ |
| 408 | ␊ |
| 409 | ␉␉{␊ |
| 410 | ␉␉␉if ((*(U32 *) ((ACPI_TABLE_HEADER *) (unsigned long)ptr)->Signature == NAMESEG(ACPI_SIG_FADT)))␊ |
| 411 | ␉␉␉{␊ |
| 412 | ␉␉␉␉ACPI_TABLE_FADT *fadt=(ACPI_TABLE_FADT *)((U32)ptr);␊ |
| 413 | ␉␉␉␉␊ |
| 414 | ␉␉␉␉ACPI_TABLE_FADT *fadt_conv = (void*)0ul;␊ |
| 415 | ␉␉␉␉␊ |
| 416 | ␉␉␉␉if (fadt->Header.Revision > 1)␊ |
| 417 | ␉␉␉␉{␊ |
| 418 | ␉␉␉␉␉U8 buffer[0x74];␊ |
| 419 | ␉␉␉␉␉DBG("Downgrading ACPI V%d FADT to ACPI V1 FADT \n", fadt->Header.Revision);␊ |
| 420 | ␉␉␉␉␉fadt_conv=(ACPI_TABLE_FADT *)buffer;␊ |
| 421 | ␉␉␉␉␉memcpy(fadt_conv, fadt, 0x74);␊ |
| 422 | ␉␉␉␉␉fadt_conv->Header.Length = 0x74;␊ |
| 423 | ␉␉␉␉␉fadt_conv->Header.Revision = 0x01;␉␉␉␉␉␊ |
| 424 | ␉␉␉␉␉SetChecksum(&fadt_conv->Header);␊ |
| 425 | ␉␉␉␉} ␊ |
| 426 | ␉␉␉␉else␊ |
| 427 | ␉␉␉␉{␊ |
| 428 | ␉␉␉␉␉fadt_conv = fadt;␊ |
| 429 | ␉␉␉␉}␊ |
| 430 | ␉␉␉␉␊ |
| 431 | ␉␉␉␉ACPI_TABLE_FADT *fadt_mod = patch_fadt(fadt_conv, ((ACPI_TABLE_DSDT*)((U32)fadt->XDsdt)), false); ␊ |
| 432 | ␉␉␉␉if (fadt_mod == (void*)0ul)␊ |
| 433 | ␉␉␉␉{␊ |
| 434 | ␉␉␉␉␉printf("Error: Failed to patch FADT Table, trying wiht the original fadt pointer\n");␊ |
| 435 | ␉␉␉␉␉fadt_mod = fadt;␊ |
| 436 | ␉␉␉␉}␊ |
| 437 | ␉␉␉␉␊ |
| 438 | ␉␉␉␉rsdt_conv->TableOffsetEntry[index] = ((U32)fadt_mod);␊ |
| 439 | #if DEBUG_ACPI␉␉␉␊ |
| 440 | ␉␉␉␉print_nameseg(*(U32 *) ((ACPI_TABLE_HEADER *) (unsigned long)ptr)->Signature);␊ |
| 441 | ␉␉␉␉printf(" table converted and added succesfully\n");␉␉␉␊ |
| 442 | #endif␊ |
| 443 | ␉␉␉␉continue;␊ |
| 444 | ␉␉␉}␊ |
| 445 | ␉␉}␊ |
| 446 | ␉␉␉␊ |
| 447 | ␉␉{␊ |
| 448 | ␉␉␉rsdt_conv->TableOffsetEntry[index] = (U32)ptr;␊ |
| 449 | #if DEBUG_ACPI␉␉␉␊ |
| 450 | ␉␉␉print_nameseg(*(U32 *) ((ACPI_TABLE_HEADER *) (unsigned long)ptr)->Signature);␊ |
| 451 | ␉␉␉printf(" table converted and added succesfully\n");␉␊ |
| 452 | #endif␉␉␉␉␉␊ |
| 453 | ␉␉}␊ |
| 454 | ␉␉␊ |
| 455 | }␊ |
| 456 | DBG("RSDT_CONV : Original checksum %d\n", rsdt_conv->Header.Checksum);␊ |
| 457 | SetChecksum(&rsdt_conv->Header);␊ |
| 458 | DBG("New checksum %d\n", rsdt_conv->Header.Checksum);␊ |
| 459 | ␉␊ |
| 460 | return rsdt_conv;␊ |
| 461 | }␊ |
| 462 | ␊ |
| 463 | static ACPI_TABLE_XSDT * gen_alloc_xsdt_from_rsdt(ACPI_TABLE_RSDT *rsdt)␊ |
| 464 | {␉␊ |
| 465 | ␉U32 index;␊ |
| 466 | U32 num_tables;␉␊ |
| 467 | ␉␉␉␊ |
| 468 | ␉DBG("Attempting to generate XSDT from RSDT \n");␊ |
| 469 | ␉␊ |
| 470 | num_tables= get_num_tables(rsdt);␊ |
| 471 | ␊ |
| 472 | ACPI_TABLE_XSDT * xsdt_conv=(ACPI_TABLE_XSDT *)AllocateKernelMemory(sizeof(ACPI_TABLE_HEADER)+(num_tables * 8));␊ |
| 473 | ␉␊ |
| 474 | ␉if (!xsdt_conv) {␊ |
| 475 | ␉␉printf("Unable to allocate kernel memory for xsdt conv\n");␊ |
| 476 | ␉␉return (void*)0ul;␊ |
| 477 | ␉}␊ |
| 478 | ␉␊ |
| 479 | ␉bzero(xsdt_conv, sizeof(ACPI_TABLE_HEADER)+(num_tables * 8));␊ |
| 480 | memcpy(&xsdt_conv->Header, &rsdt->Header, sizeof(ACPI_TABLE_HEADER));␊ |
| 481 | ␊ |
| 482 | xsdt_conv->Header.Signature[0] = 'X';␊ |
| 483 | xsdt_conv->Header.Signature[1] = 'S';␊ |
| 484 | xsdt_conv->Header.Signature[2] = 'D';␊ |
| 485 | xsdt_conv->Header.Signature[3] = 'T';␊ |
| 486 | xsdt_conv->Header.Length = sizeof(ACPI_TABLE_HEADER)+(num_tables * 8);␊ |
| 487 | ␊ |
| 488 | ␉ACPI_TABLE_HEADER **table_array = (ACPI_TABLE_HEADER **) rsdt->TableOffsetEntry;␊ |
| 489 | ␉␊ |
| 490 | for (index=0;index<num_tables;index++)␊ |
| 491 | {␊ |
| 492 | ␉␉␉{␉␉␉␉␊ |
| 493 | #if DEBUG_ACPI␉␊ |
| 494 | ␉␉␉␉printf("* Processing : ");␊ |
| 495 | ␉␉␉␉print_nameseg(*(U32*) (table_array[index]->Signature));␊ |
| 496 | ␉␉␉␉printf("\n");␉␉␉␊ |
| 497 | #endif␉␉␉␊ |
| 498 | ␉␉␉␉bool unsafe = false;␊ |
| 499 | ␉␉␉␉getBoolForKey(kUnsafeACPI, &unsafe, &bootInfo->bootConfig);␊ |
| 500 | ␉␉␉␉␊ |
| 501 | ␉␉␉␉if (!unsafe) ␊ |
| 502 | ␉␉␉␉{␊ |
| 503 | ␉␉␉␉␉if (GetChecksum(table_array[index], table_array[index]->Length) != 0)␊ |
| 504 | ␉␉␉␉␉{␊ |
| 505 | #if DEBUG_ACPI␉␉␉␉␉␉␊ |
| 506 | ␉␉␉␉␉␉printf("Warning : Invalide checksum, ignored !!!\n",index);␊ |
| 507 | #endif␊ |
| 508 | ␉␉␉␉␉␉continue;␊ |
| 509 | ␉␉␉␉␉}␊ |
| 510 | ␉␉␉␉}␊ |
| 511 | ␉␉␉␉␊ |
| 512 | ␉␉␉}␊ |
| 513 | ␉␉␉␉␉␊ |
| 514 | ␉␉␉{␊ |
| 515 | ␉␉␉␉if ((*(U32 *) (table_array[index]->Signature) == NAMESEG(ACPI_SIG_FADT)))␊ |
| 516 | ␉␉␉␉{␊ |
| 517 | ␉␉␉␉␉ACPI_TABLE_FADT *FacpPointer = ((ACPI_TABLE_FADT*)table_array[index]);␊ |
| 518 | ␉␉␉␉␉ACPI_TABLE_FADT *fadt_mod = (ACPI_TABLE_FADT *)patch_fadt(FacpPointer,((ACPI_TABLE_DSDT*)FacpPointer->Dsdt),true);␊ |
| 519 | ␉␉␉␉␉if (fadt_mod == (void*)0ul) ␊ |
| 520 | ␉␉␉␉␉{␊ |
| 521 | ␉␉␉␉␉␉printf("Error: Failed to patch (& update) FADT Table, fallback to original fadt pointer\n");␊ |
| 522 | ␉␉␉␉␉␉fadt_mod = FacpPointer;␊ |
| 523 | ␉␉␉␉␉}␊ |
| 524 | ␉␉␉␉␉xsdt_conv->TableOffsetEntry[index] = ((U64)((U32)fadt_mod));␊ |
| 525 | ␉␉␉␉␉␊ |
| 526 | ␉␉␉␉␉continue;␊ |
| 527 | ␉␉␉␉}␊ |
| 528 | ␉␉␉}␊ |
| 529 | ␉␉␉␊ |
| 530 | ␉␉␉xsdt_conv->TableOffsetEntry[index] = ((U64)((U32)table_array[index])); ␊ |
| 531 | }␊ |
| 532 | DBG("XSDT_CONV : Original checksum %d\n", xsdt_conv->Header.Checksum);␊ |
| 533 | SetChecksum(&xsdt_conv->Header);␊ |
| 534 | DBG("New checksum %d\n", xsdt_conv->Header.Checksum);␊ |
| 535 | ␉␊ |
| 536 | return xsdt_conv;␊ |
| 537 | }␊ |
| 538 | ␊ |
| 539 | static void *loadACPITable(char *dirspec, char *filename )␊ |
| 540 | {␉␊ |
| 541 | ␉int fd = -1;␊ |
| 542 | ␉char acpi_file[512];␊ |
| 543 | ␊ |
| 544 | ␉DBG("Searching for %s file ...\n", filename);␊ |
| 545 | ␉// Check booting partition␉␊ |
| 546 | ␉␊ |
| 547 | ␉sprintf(acpi_file, "%s%s",dirspec, filename); ␊ |
| 548 | ␉␊ |
| 549 | ␉fd=open(acpi_file);␊ |
| 550 | ␉␊ |
| 551 | ␉if (fd<0)␊ |
| 552 | ␉{␉␉␉␉␉␉␉␊ |
| 553 | ␉␉DBG("Couldn't open ACPI Table: %s\n", acpi_file);␊ |
| 554 | ␉␉return (void *)0ul ;␉␉␉␉␊ |
| 555 | ␉}␉␉␊ |
| 556 | ␉␊ |
| 557 | ␉void *tableAddr=(void*)malloc(file_size (fd));␊ |
| 558 | ␊ |
| 559 | ␉if (tableAddr)␊ |
| 560 | ␉{␊ |
| 561 | ␉␉if (read (fd, tableAddr, file_size (fd))!=file_size (fd))␊ |
| 562 | ␉␉{␊ |
| 563 | ␉␉␉printf("Couldn't read table %s\n",acpi_file);␊ |
| 564 | ␉␉␉free (tableAddr);␊ |
| 565 | ␉␉␉close (fd);␊ |
| 566 | ␉␉␉return (void *)0ul ;␊ |
| 567 | ␉␉}␊ |
| 568 | ␉␉␊ |
| 569 | ␉␉close (fd);␊ |
| 570 | ␉␉␊ |
| 571 | ␉␉ACPI_TABLE_HEADER * header = (ACPI_TABLE_HEADER *)tableAddr;␊ |
| 572 | ␉␉␊ |
| 573 | ␉␉if (GetChecksum(header, header->Length) == 0)␊ |
| 574 | ␉␉{␊ |
| 575 | ␉␉␉DBG("Found valid AML file : %s", filename);␊ |
| 576 | ␉␉␉DBG(" ( %s ) read and stored at: %x", acpi_file, tableAddr);␊ |
| 577 | ␉␉␉DBG("\n");␊ |
| 578 | ␉␉␉return tableAddr;␊ |
| 579 | ␉␉} ␊ |
| 580 | ␉␉else␊ |
| 581 | ␉␉{␊ |
| 582 | ␉␉␉printf("Warning : Incorrect cheksum for the file : %s,", acpi_file);␊ |
| 583 | ␉␉␉printf("␉␉ this file will be dropped.\n");␊ |
| 584 | ␉␉␉free(tableAddr);␊ |
| 585 | ␉␉␉return (void*)0ul;␊ |
| 586 | ␉␉}␉␉␊ |
| 587 | ␉}␊ |
| 588 | ␉␊ |
| 589 | ␉printf("Couldn't allocate memory for table %s\n", acpi_file);␊ |
| 590 | ␉close (fd);␊ |
| 591 | ␉␊ |
| 592 | ␉return (void *)0ul ;␊ |
| 593 | }␊ |
| 594 | ␊ |
| 595 | static U32 pmbase;␊ |
| 596 | static short cpuNamespace;␊ |
| 597 | PROCESSOR_NUMBER_TO_NAMESEG cpu_map[CPU_MAP_LIMIT];␊ |
| 598 | unsigned int cpu_map_count;␊ |
| 599 | int cpu_map_error;␊ |
| 600 | ␊ |
| 601 | #if DEBUG_ACPI␊ |
| 602 | static void print_nameseg(U32 i)␊ |
| 603 | {␊ |
| 604 | printf("%c%c%c%c",␊ |
| 605 | (int)(i & 0x000000ff),␊ |
| 606 | (int)((i & 0x0000ff00) >> 8),␊ |
| 607 | (int)((i & 0x00ff0000) >> 16),␊ |
| 608 | (int)(i >> 24));␊ |
| 609 | }␊ |
| 610 | #endif␊ |
| 611 | ␊ |
| 612 | static int generate_cpu_map_from_acpi(ACPI_TABLE_DSDT * DsdtPointer)␊ |
| 613 | {␊ |
| 614 | PROCESSOR_NUMBER_TO_NAMESEG *map = cpu_map;␊ |
| 615 | U32 processor_namespace = 0;␊ |
| 616 | U32 cpu;␊ |
| 617 | U8 *current, *end;␊ |
| 618 | ACPI_TABLE_HEADER *header;␊ |
| 619 | struct acpi_namespace ns;␊ |
| 620 | ␉␉␊ |
| 621 | ␉if ((cpu_map_error == 1) || (DsdtPointer == (void*)0ul)) ␊ |
| 622 | ␉␉return 1;␊ |
| 623 | ␉else if (cpu_map_count > 0) ␊ |
| 624 | ␉␉return 0;␊ |
| 625 | ␉␊ |
| 626 | DBG("Attempting to autodetect CPU map from ACPI DSDT; wish me luck\n");␉␊ |
| 627 | ␊ |
| 628 | current = (U8 *) DsdtPointer;␊ |
| 629 | current = decodeTableHeader(current, &header);␊ |
| 630 | end = current - sizeof(*header) + header->Length;␊ |
| 631 | ns.depth = 0;␊ |
| 632 | acpi_processor_count = 0;␊ |
| 633 | ␉//DBG("* DSDT debug start\n");␊ |
| 634 | parse_acpi_termlist(&ns, current, end);␊ |
| 635 | ␉//DBG("* DSDT debug end\n");␊ |
| 636 | ␉␊ |
| 637 | if (acpi_processor_count > CPU_MAP_LIMIT)␊ |
| 638 | ␉{␊ |
| 639 | ␉␉verbose("Too many processors: found %u processors\n", acpi_processor_count);␊ |
| 640 | return (cpu_map_error = 1);␊ |
| 641 | ␉}␊ |
| 642 | if (acpi_processor_count == 0)␊ |
| 643 | ␉{␊ |
| 644 | ␉␉verbose( "Found no processors in ACPI\n");␊ |
| 645 | return (cpu_map_error = 1);␊ |
| 646 | ␉}␊ |
| 647 | for (cpu = 0; cpu < acpi_processor_count; cpu++)␊ |
| 648 | ␉{␊ |
| 649 | U32 nameseg;␊ |
| 650 | if (acpi_processors[cpu].pmbase)␊ |
| 651 | ␉␉{␊ |
| 652 | U32 cpu_pmbase = acpi_processors[cpu].pmbase - 0x10;␊ |
| 653 | if (pmbase && cpu_pmbase != pmbase)␊ |
| 654 | ␉␉␉{␊ |
| 655 | ␉␉␉␉verbose("Found inconsistent pmbase addresses in ACPI: 0x%x and 0x%x\n", pmbase, cpu_pmbase);␊ |
| 656 | ␉␉␉␉return (cpu_map_error = 1);␊ |
| 657 | ␉␉␉}␊ |
| 658 | pmbase = cpu_pmbase;␊ |
| 659 | }␊ |
| 660 | if (acpi_processors[cpu].ns.depth > MAX_SUPPORTED_CPU_NAMESEGS + 1)␊ |
| 661 | ␉␉{␊ |
| 662 | ␉␉␉verbose("Processor path too deep: depth %u\n", acpi_processors[cpu].ns.depth);␊ |
| 663 | ␉␉␉return (cpu_map_error = 1);␊ |
| 664 | ␉␉}␊ |
| 665 | if (processor_namespace && acpi_processors[cpu].ns.nameseg[0] != processor_namespace)␊ |
| 666 | ␉␉{␊ |
| 667 | ␉␉␉verbose("Processor namespaces inconsistent\n");␊ |
| 668 | ␉␉␉return (cpu_map_error = 1);␊ |
| 669 | ␉␉}␊ |
| 670 | processor_namespace = acpi_processors[cpu].ns.nameseg[0];␊ |
| 671 | map->acpi_processor_number = acpi_processors[cpu].id;␊ |
| 672 | map->seg_count = acpi_processors[cpu].ns.depth - 1;␊ |
| 673 | for (nameseg = 0; nameseg < map->seg_count; nameseg++)␊ |
| 674 | map->nameseg[nameseg] = acpi_processors[cpu].ns.nameseg[nameseg + 1];␊ |
| 675 | map++;␊ |
| 676 | }␊ |
| 677 | if (!pmbase)␊ |
| 678 | ␉{␊ |
| 679 | ␉␉verbose("No pmbase found in ACPI\n");␊ |
| 680 | ␉␉return (cpu_map_error = 1);␊ |
| 681 | ␉}␊ |
| 682 | if (processor_namespace == NAMESEG("_PR_"))␊ |
| 683 | cpuNamespace = CPU_NAMESPACE_PR;␊ |
| 684 | else if (processor_namespace == NAMESEG("_SB_"))␊ |
| 685 | cpuNamespace = CPU_NAMESPACE_SB;␊ |
| 686 | else␊ |
| 687 | ␉{␊ |
| 688 | verbose("Found processors in invalid namespace; not _PR_ or _SB_\n");␊ |
| 689 | ␉␉return (cpu_map_error = 1);␊ |
| 690 | ␉}␊ |
| 691 | cpu_map_count = map - cpu_map;␊ |
| 692 | ␉␊ |
| 693 | #if DEBUG_ACPI␊ |
| 694 | ␉verbose("Found %d processors in ACPI, pmbase : 0x%x, cpu_map_count : %d, namespace : ",acpi_processor_count, pmbase, cpu_map_count );␊ |
| 695 | ␉print_nameseg(processor_namespace); ␊ |
| 696 | ␉verbose("\n");␊ |
| 697 | U32 i;␊ |
| 698 | verbose("Found processors name : \n" );␊ |
| 699 | for ( i = 0; i<cpu_map_count; i++)␊ |
| 700 | ␉{␉␉␉␊ |
| 701 | ␉␉U32 nseg = *(U32*)cpu_map[i].nameseg;␊ |
| 702 | print_nameseg(nseg); ␊ |
| 703 | ␉␉verbose(" ");␊ |
| 704 | }␊ |
| 705 | verbose("\n");␊ |
| 706 | #endif␊ |
| 707 | ␉␊ |
| 708 | ␉// TODO: Save the cpu map into the device tree␊ |
| 709 | return (cpu_map_error = 0);␊ |
| 710 | }␊ |
| 711 | ␊ |
| 712 | #if OLD_SSDT␊ |
| 713 | ␊ |
| 714 | static U32 get_needed_symbols (void)␊ |
| 715 | {␉␊ |
| 716 | ␉/* aml_generator symbols */␊ |
| 717 | ␉aml_create_node = (void*)lookup_all_symbols("_aml_create_node");␊ |
| 718 | ␉if (aml_create_node == (void*)0xFFFFFFFF) goto Failed;␊ |
| 719 | ␉␊ |
| 720 | ␉aml_add_buffer = (void*)lookup_all_symbols("_aml_add_buffer");␊ |
| 721 | ␉if (aml_add_buffer == (void*)0xFFFFFFFF) goto Failed;␊ |
| 722 | ␉␊ |
| 723 | ␉aml_add_byte = (void*)lookup_all_symbols("_aml_add_byte");␊ |
| 724 | ␉if (aml_add_byte == (void*)0xFFFFFFFF) goto Failed;␊ |
| 725 | ␉␊ |
| 726 | ␉aml_add_word = (void*)lookup_all_symbols("_aml_add_word");␊ |
| 727 | ␉if (aml_add_word == (void*)0xFFFFFFFF) goto Failed;␊ |
| 728 | ␉␊ |
| 729 | ␉aml_add_dword = (void*)lookup_all_symbols("_aml_add_dword");␊ |
| 730 | ␉if (aml_add_dword == (void*)0xFFFFFFFF) goto Failed;␊ |
| 731 | ␉␊ |
| 732 | ␉aml_add_qword = (void*)lookup_all_symbols("_aml_add_qword");␊ |
| 733 | ␉if (aml_add_qword == (void*)0xFFFFFFFF) goto Failed;␊ |
| 734 | ␉␊ |
| 735 | ␉aml_add_scope = (void*)lookup_all_symbols("_aml_add_scope");␊ |
| 736 | ␉if (aml_add_scope == (void*)0xFFFFFFFF) goto Failed;␊ |
| 737 | ␉␊ |
| 738 | ␉aml_add_name = (void*)lookup_all_symbols("_aml_add_name");␊ |
| 739 | ␉if (aml_add_name == (void*)0xFFFFFFFF) goto Failed;␊ |
| 740 | ␉␊ |
| 741 | ␉aml_add_package = (void*)lookup_all_symbols("_aml_add_package");␊ |
| 742 | ␉if (aml_add_package == (void*)0xFFFFFFFF) goto Failed;␊ |
| 743 | ␉␊ |
| 744 | ␉aml_add_alias = (void*)lookup_all_symbols("_aml_add_alias");␊ |
| 745 | ␉if (aml_add_alias == (void*)0xFFFFFFFF) goto Failed;␊ |
| 746 | ␉␊ |
| 747 | ␉aml_destroy_node = (void*)lookup_all_symbols("_aml_destroy_node");␊ |
| 748 | ␉if (aml_destroy_node == (void*)0xFFFFFFFF) goto Failed;␊ |
| 749 | ␉␊ |
| 750 | ␉aml_calculate_size = (void*)lookup_all_symbols("_aml_calculate_size");␉␊ |
| 751 | ␉if (aml_calculate_size == (void*)0xFFFFFFFF) goto Failed;␊ |
| 752 | ␉␊ |
| 753 | ␉aml_write_node = (void*)lookup_all_symbols("_aml_write_node");␊ |
| 754 | ␉if (aml_write_node == (void*)0xFFFFFFFF) goto Failed;␊ |
| 755 | ␉␊ |
| 756 | ␉aml_add_to_parent = (void*)lookup_all_symbols("_aml_add_to_parent");␊ |
| 757 | ␉if (aml_add_to_parent == (void*)0xFFFFFFFF) goto Failed;␊ |
| 758 | ␉␊ |
| 759 | ␉DBG("struct aml_chunk* _aml_create_node: 0x%x\n",(UInt32)aml_create_node);␊ |
| 760 | ␉DBG("struct aml_chunk* _aml_add_buffer: 0x%x\n",(UInt32)aml_add_buffer);␊ |
| 761 | ␉DBG("struct aml_chunk* _aml_add_byte: 0x%x\n",(UInt32)aml_add_byte);␊ |
| 762 | ␉DBG("struct aml_chunk* _aml_add_word: 0x%x\n",(UInt32)aml_add_word);␊ |
| 763 | ␉DBG("struct aml_chunk* _aml_add_dword: 0x%x\n",(UInt32)aml_add_dword);␊ |
| 764 | ␉DBG("struct aml_chunk* _aml_add_qword: 0x%x\n",(UInt32)aml_add_qword);␊ |
| 765 | ␉DBG("struct aml_chunk* _aml_add_scope: 0x%x\n",(UInt32)aml_add_scope);␊ |
| 766 | ␉DBG("struct aml_chunk* _aml_add_name: 0x%x\n",(UInt32)aml_add_name);␊ |
| 767 | ␉DBG("struct aml_chunk* _aml_add_package: 0x%x\n",(UInt32)aml_add_package);␊ |
| 768 | ␉DBG("struct aml_chunk* _aml_add_alias: 0x%x\n",(UInt32)aml_add_alias);␊ |
| 769 | ␉DBG("void _aml_destroy_node: 0x%x\n",(UInt32)aml_destroy_node);␊ |
| 770 | ␉DBG("unsigned int _aml_calculate_size: 0x%x\n",(UInt32)aml_calculate_size);␊ |
| 771 | ␉DBG("unsigned int _aml_write_node: 0x%x\n",(UInt32)aml_write_node);␊ |
| 772 | ␉DBG("bool _aml_add_to_parent: 0x%x\n",(UInt32)aml_add_to_parent);␉␊ |
| 773 | ␉return (1);␊ |
| 774 | Failed:␊ |
| 775 | ␉printf("Failed to find aml_generator symbols, SSDT will not be generated !!!");␊ |
| 776 | ␉return (0);␊ |
| 777 | }␊ |
| 778 | ␊ |
| 779 | static ACPI_TABLE_SSDT *generate_cst_ssdt(ACPI_TABLE_FADT* fadt)␊ |
| 780 | {␉␊ |
| 781 | ␉char ssdt_header[] =␊ |
| 782 | ␉{␊ |
| 783 | ␉␉0x53, 0x53, 0x44, 0x54, 0xE7, 0x00, 0x00, 0x00, /* SSDT.... */␊ |
| 784 | ␉␉0x01, 0x17, 0x50, 0x6D, 0x52, 0x65, 0x66, 0x41, /* ..PmRefA */␊ |
| 785 | ␉␉0x43, 0x70, 0x75, 0x43, 0x73, 0x74, 0x00, 0x00, /* CpuCst.. */␊ |
| 786 | ␉␉0x00, 0x10, 0x00, 0x00, 0x49, 0x4E, 0x54, 0x4C, /* ....INTL */␊ |
| 787 | ␉␉0x31, 0x03, 0x10, 0x20 ␉␉␉␉␉␉␉/* 1.._␉␉*/␊ |
| 788 | ␉};␊ |
| 789 | ␉␊ |
| 790 | ␉char cstate_resource_template[] = ␊ |
| 791 | ␉{␊ |
| 792 | ␉␉0x11, 0x14, 0x0A, 0x11, 0x82, 0x0C, 0x00, 0x7F, ␊ |
| 793 | ␉␉0x01, 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, ␊ |
| 794 | ␉␉0x00, 0x00, 0x00, 0x79, 0x00␊ |
| 795 | ␉};␊ |
| 796 | ␉␊ |
| 797 | ␉if (Platform->CPU.Vendor != 0x756E6547) {␊ |
| 798 | ␉␉verbose ("Not an Intel platform: C-States will not be generated !!!\n");␊ |
| 799 | ␉␉return (void *)0ul;␊ |
| 800 | ␉}␊ |
| 801 | ␉␊ |
| 802 | ␉if (fadt == (void *)0ul) {␊ |
| 803 | ␉␉verbose ("FACP not exists: C-States will not be generated !!!\n");␊ |
| 804 | ␉␉return (void *)0ul;␊ |
| 805 | ␉}␊ |
| 806 | ␊ |
| 807 | ␉ACPI_TABLE_DSDT* dsdt = ((fadt->Header.Revision >= 3) && (fadt->XDsdt != 0)) ? (ACPI_TABLE_DSDT*)((U32)fadt->XDsdt):(ACPI_TABLE_DSDT*)fadt->Dsdt;␊ |
| 808 | ␉if (dsdt == (void *)0ul) {␊ |
| 809 | ␉␉verbose ("DSDT not found: C-States will not be generated !!!\n");␊ |
| 810 | ␉␉return (void *)0ul;␊ |
| 811 | ␉}␊ |
| 812 | ␉␉␊ |
| 813 | ␉if (generate_cpu_map_from_acpi(dsdt) == 0) ␊ |
| 814 | ␉{␊ |
| 815 | ␉␉bool c2_enabled = fadt->C2Latency < 100;␊ |
| 816 | ␉␉bool c3_enabled = fadt->C3Latency < 1000;␊ |
| 817 | ␉␉bool c4_enabled = false;␊ |
| 818 | ␉␉␊ |
| 819 | ␉␉getBoolForKey(kEnableC4State, &c4_enabled, &bootInfo->bootConfig);␊ |
| 820 | ␊ |
| 821 | ␉␉unsigned char cstates_count = 1 + (c2_enabled ? 1 : 0) + ((c3_enabled || c4_enabled) ? 1 : 0);␊ |
| 822 | ␉␉char *Lat = NULL, *Pw = NULL, *tmpstr =NULL;␊ |
| 823 | ␉␉int base = 16;␊ |
| 824 | ␉␉TagPtr personality = XMLCastDict(XMLGetProperty(bootInfo->bootConfig.dictionary, (const char*)"C-States"));␊ |
| 825 | ␉␉␊ |
| 826 | ␉␉if ((tmpstr = XMLCastString(XMLGetProperty(personality, (const char*)"Base")))) {␊ |
| 827 | ␉␉␉␊ |
| 828 | ␉␉␉int mybase = strtol(tmpstr, NULL, 10);␉␊ |
| 829 | ␉␉␉␊ |
| 830 | ␉␉␉if (mybase == 8 || mybase == 10 || mybase == 16 ) ␊ |
| 831 | ␉␉␉␉base = mybase;␉␉␉␉␉␉␉␉␉␊ |
| 832 | ␉␉}␊ |
| 833 | ␉␉␊ |
| 834 | ␉␉struct aml_chunk* root = aml_create_node(NULL);␊ |
| 835 | aml_add_buffer(root, ssdt_header, sizeof(ssdt_header)); // SSDT header␊ |
| 836 | struct aml_chunk* scop;␊ |
| 837 | ␉␉if (cpuNamespace == CPU_NAMESPACE_PR) ␊ |
| 838 | ␉␉␉scop = aml_add_scope(root, "\\_PR_");␊ |
| 839 | ␉␉else if (cpuNamespace == CPU_NAMESPACE_SB) ␊ |
| 840 | ␉␉␉scop = aml_add_scope(root, "\\_SB_");␊ |
| 841 | ␉␉else ␊ |
| 842 | ␉␉{␊ |
| 843 | ␉␉␉aml_destroy_node(root);␉␊ |
| 844 | ␉␉␉goto out;␊ |
| 845 | ␉␉}␊ |
| 846 | struct aml_chunk* name = aml_add_name(scop, "CST_");␊ |
| 847 | struct aml_chunk* pack = aml_add_package(name);␊ |
| 848 | aml_add_byte(pack, cstates_count);␊ |
| 849 | ␉␉␊ |
| 850 | struct aml_chunk* tmpl = aml_add_package(pack);␊ |
| 851 | TagPtr match_Status = XMLGetProperty(personality, (const char*)"C1");␊ |
| 852 | if (match_Status) {␉␊ |
| 853 | Pw = XMLCastString(XMLGetProperty(match_Status, (const char*)"Power"));␊ |
| 854 | Lat = XMLCastString(XMLGetProperty(match_Status, (const char*)"Latency"));␊ |
| 855 | }␊ |
| 856 | cstate_resource_template[11] = 0x00; // C1␊ |
| 857 | aml_add_buffer(tmpl, cstate_resource_template, sizeof(cstate_resource_template));␊ |
| 858 | aml_add_byte(tmpl, 0x01); // C1␊ |
| 859 | aml_add_byte(tmpl, (unsigned char)resolve_cst(0x01, Lat, base)); // Latency␊ |
| 860 | aml_add_word(tmpl, resolve_cst(0x03e8, Pw, base)); // Power␊ |
| 861 | ␉␉// C2␊ |
| 862 | ␉␉if (c2_enabled) ␊ |
| 863 | ␉␉{␊ |
| 864 | ␉␉␉tmpl = aml_add_package(pack);␊ |
| 865 | ␉␉␉Lat = NULL; ␊ |
| 866 | ␉␉␉Pw = NULL;␊ |
| 867 | ␉␉␉match_Status = XMLGetProperty(personality, (const char*)"C2");␊ |
| 868 | ␉␉␉if (match_Status) {␉␊ |
| 869 | ␉␉␉␉Pw = XMLCastString(XMLGetProperty(match_Status, (const char*)"Power"));␊ |
| 870 | ␉␉␉␉Lat = XMLCastString(XMLGetProperty(match_Status, (const char*)"Latency"));␊ |
| 871 | ␉␉␉}␊ |
| 872 | ␉␉␉␊ |
| 873 | ␉␉␉cstate_resource_template[11] = 0x10; // C2␊ |
| 874 | ␉␉␉aml_add_buffer(tmpl, cstate_resource_template, sizeof(cstate_resource_template));␊ |
| 875 | ␉␉␉aml_add_byte(tmpl, 0x02); // C2␉␉␉␉␊ |
| 876 | ␉␉␉aml_add_word(tmpl, resolve_cst(fadt->C2Latency, Lat, base)); // Latency␊ |
| 877 | ␉␉␉aml_add_word(tmpl, resolve_cst(0x01f4, Pw, base)); // Power␊ |
| 878 | ␉␉}␊ |
| 879 | ␉␉␊ |
| 880 | ␉␉// C4␊ |
| 881 | ␉␉if (c4_enabled) ␊ |
| 882 | ␉␉{␊ |
| 883 | ␉␉␉tmpl = aml_add_package(pack);␊ |
| 884 | ␉␉␉Lat = NULL; ␊ |
| 885 | ␉␉␉Pw = NULL;␊ |
| 886 | ␉␉␉match_Status = XMLGetProperty(personality, (const char*)"C4"); ␊ |
| 887 | ␉␉␉if (match_Status) {␉␊ |
| 888 | ␉␉␉␉Pw = XMLCastString(XMLGetProperty(match_Status, (const char*)"Power"));␊ |
| 889 | ␉␉␉␉Lat = XMLCastString(XMLGetProperty(match_Status, (const char*)"Latency"));␊ |
| 890 | ␉␉␉}␊ |
| 891 | ␉␉␉cstate_resource_template[11] = 0x30; // C4␊ |
| 892 | ␉␉␉aml_add_buffer(tmpl, cstate_resource_template, sizeof(cstate_resource_template));␊ |
| 893 | ␉␉␉aml_add_byte(tmpl, 0x04); // C4␉␊ |
| 894 | ␉␉␉aml_add_word(tmpl, resolve_cst(fadt->C3Latency / 2, Lat, base)); // TODO: right latency for C4␊ |
| 895 | ␉␉␉aml_add_word(tmpl, resolve_cst(0xfa, Pw, base)); // Power␊ |
| 896 | ␉␉␉␊ |
| 897 | ␉␉␉// you can check if the C4 state is correctly activated or not with the following command Lines (you will need the 'lspci for mac' package): ␊ |
| 898 | ␉␉␉␊ |
| 899 | ␉␉␉// according to the intel ich10 dataheet ( Power Management PCI Configuration Registers (PM—D31:F0) ):␊ |
| 900 | ␉␉␉// setpci -s 0:1f.0 0xa0.w (must return an hex where bit 12 is 0 and bit 7 is 1, usually 06a0h )␊ |
| 901 | ␉␉␉// setpci -s 0:1f.0 0xa6.b (must return an hex where bit 7 is 1, usually 80h )␊ |
| 902 | ␉␉␉␊ |
| 903 | ␉␉␉␊ |
| 904 | ␉␉}␉␉␊ |
| 905 | ␉␉// C3␊ |
| 906 | ␉␉else if (c3_enabled) ␊ |
| 907 | ␉␉{␊ |
| 908 | ␉␉␉tmpl = aml_add_package(pack);␊ |
| 909 | ␉␉␉Lat = NULL; ␊ |
| 910 | ␉␉␉Pw = NULL;␊ |
| 911 | ␉␉␉match_Status = XMLGetProperty(personality, (const char*)"C3"); ␊ |
| 912 | ␉␉␉if (match_Status) {␉␊ |
| 913 | ␉␉␉␉Pw = XMLCastString(XMLGetProperty(match_Status, (const char*)"Power"));␊ |
| 914 | ␉␉␉␉Lat = XMLCastString(XMLGetProperty(match_Status, (const char*)"Latency"));␊ |
| 915 | ␉␉␉}␊ |
| 916 | ␉␉␉cstate_resource_template[11] = 0x20; // C3␊ |
| 917 | ␉␉␉aml_add_buffer(tmpl, cstate_resource_template, sizeof(cstate_resource_template));␊ |
| 918 | ␉␉␉aml_add_byte(tmpl, 0x03); // C3␉␉␉␉␊ |
| 919 | ␉␉␉aml_add_word(tmpl, resolve_cst(fadt->C3Latency , Lat, base)); ␊ |
| 920 | ␉␉␉aml_add_word(tmpl, resolve_cst(0x015e, Pw, base)); // Power␊ |
| 921 | ␉␉␉␊ |
| 922 | ␉␉}␊ |
| 923 | ␉␉ ␊ |
| 924 | // Aliaces␊ |
| 925 | unsigned int i;␊ |
| 926 | for (i = 0; i < cpu_map_count; i++) ␊ |
| 927 | {␊ |
| 928 | char name[9];␊ |
| 929 | U32 nseg = *(U32*)cpu_map[i].nameseg;␊ |
| 930 | if (cpuNamespace == CPU_NAMESPACE_PR) {␊ |
| 931 | sprintf(name, "_PR_%c%c%c%c",␊ |
| 932 | (int)(nseg & 0x000000ff),␊ |
| 933 | (int)((nseg & 0x0000ff00) >> 8),␊ |
| 934 | (int)((nseg & 0x00ff0000) >> 16),␊ |
| 935 | (int)(nseg >> 24));␊ |
| 936 | } else if (cpuNamespace == CPU_NAMESPACE_SB) {␊ |
| 937 | sprintf(name, "_SB_%c%c%c%c",␊ |
| 938 | (int)(nseg & 0x000000ff),␊ |
| 939 | (int)((nseg & 0x0000ff00) >> 8),␊ |
| 940 | (int)((nseg & 0x00ff0000) >> 16),␊ |
| 941 | (int)(nseg >> 24));␊ |
| 942 | } else {␊ |
| 943 | aml_destroy_node(root);␉␊ |
| 944 | goto out;␊ |
| 945 | }␊ |
| 946 | ␊ |
| 947 | scop = aml_add_scope(root, name);␊ |
| 948 | aml_add_alias(scop, "CST_", "_CST");␊ |
| 949 | }␊ |
| 950 | ␉␉␊ |
| 951 | ␉␉aml_calculate_size(root);␊ |
| 952 | ␉␉␊ |
| 953 | ␉␉ACPI_TABLE_SSDT *ssdt = (ACPI_TABLE_SSDT *)AllocateKernelMemory(root->Size);␊ |
| 954 | ␊ |
| 955 | ␉␉aml_write_node(root, (void*)ssdt, 0);␊ |
| 956 | ␉␉␊ |
| 957 | ␉␉ssdt->Header.Length = root->Size; ␊ |
| 958 | ␉␉␊ |
| 959 | ␉␉SetChecksum(&ssdt->Header);␊ |
| 960 | ␊ |
| 961 | ␉␉aml_destroy_node(root);␉␉␊ |
| 962 | ␊ |
| 963 | ␉␉verbose ("SSDT with CPU C-States generated successfully\n");␊ |
| 964 | ␉␉␊ |
| 965 | ␉␉return ssdt;␊ |
| 966 | ␉}␊ |
| 967 | ␉else ␊ |
| 968 | ␉{␊ |
| 969 | out:␊ |
| 970 | ␉␉verbose ("ACPI CPUs not found: C-States will not be generated !!!\n");␊ |
| 971 | ␉}␊ |
| 972 | ␊ |
| 973 | ␉return (void *)0ul;␊ |
| 974 | }␊ |
| 975 | ␊ |
| 976 | static ACPI_TABLE_SSDT *generate_pss_ssdt(ACPI_TABLE_DSDT* dsdt)␊ |
| 977 | {␉␉␊ |
| 978 | ␉␊ |
| 979 | ␉char ssdt_header[] =␊ |
| 980 | ␉{␊ |
| 981 | ␉␉0x53, 0x53, 0x44, 0x54, 0x7E, 0x00, 0x00, 0x00, /* SSDT.... */␊ |
| 982 | ␉␉0x01, 0x6A, 0x50, 0x6D, 0x52, 0x65, 0x66, 0x00, /* ..PmRef. */␊ |
| 983 | ␉␉0x43, 0x70, 0x75, 0x50, 0x6D, 0x00, 0x00, 0x00, /* CpuPm... */␊ |
| 984 | ␉␉0x00, 0x30, 0x00, 0x00, 0x49, 0x4E, 0x54, 0x4C, /* .0..INTL */␊ |
| 985 | ␉␉0x31, 0x03, 0x10, 0x20,␉␉␉␉␉␉␉/* 1.._␉␉*/␊ |
| 986 | ␉};␊ |
| 987 | ␊ |
| 988 | ␉if (Platform->CPU.Vendor != 0x756E6547) {␊ |
| 989 | ␉␉verbose ("Not an Intel platform: P-States will not be generated !!!\n");␊ |
| 990 | ␉␉return (void *)0ul;␊ |
| 991 | ␉}␊ |
| 992 | ␉␊ |
| 993 | ␉if (!(Platform->CPU.Features & CPUID_FEATURE_MSR)) {␊ |
| 994 | ␉␉verbose ("Unsupported CPU: P-States will not be generated !!!\n");␊ |
| 995 | ␉␉return (void *)0ul;␊ |
| 996 | ␉}␊ |
| 997 | ␉␊ |
| 998 | ␉if (dsdt == (void *)0ul) {␊ |
| 999 | ␉␉verbose ("DSDT not found: P-States will not be generated !!!\n");␊ |
| 1000 | ␉␉return (void *)0ul;␊ |
| 1001 | ␉}␊ |
| 1002 | ␉␉ ␊ |
| 1003 | ␉if (generate_cpu_map_from_acpi(dsdt) == 0 ) ␊ |
| 1004 | ␉{␊ |
| 1005 | ␉␉struct p_state /*initial,*/ maximum, minimum, p_states[32];␊ |
| 1006 | ␉␉U8 p_states_count = 0;␉␉␊ |
| 1007 | ␉␉␊ |
| 1008 | ␉␉// Retrieving P-States, ported from code by superhai (c)␊ |
| 1009 | ␉␉switch (Platform->CPU.Family) {␊ |
| 1010 | ␉␉␉case 0x06: ␊ |
| 1011 | ␉␉␉{␊ |
| 1012 | ␉␉␉␉switch (Platform->CPU.Model) ␊ |
| 1013 | ␉␉␉␉{␊ |
| 1014 | ␉␉␉␉␉case CPUID_MODEL_DOTHAN: ␊ |
| 1015 | ␉␉␉␉␉case CPUID_MODEL_YONAH: // Yonah␊ |
| 1016 | ␉␉␉␉␉case CPUID_MODEL_MEROM: // Merom␊ |
| 1017 | ␉␉␉␉␉case CPUID_MODEL_PENRYN: // Penryn␊ |
| 1018 | ␉␉␉␉␉case CPUID_MODEL_ATOM: // Intel Atom (45nm)␊ |
| 1019 | ␉␉␉␉␉{␊ |
| 1020 | ␉␉␉␉␉␉bool cpu_dynamic_fsb = false;␊ |
| 1021 | ␉␉␉␉␉␉␊ |
| 1022 | ␉␉␉␉␉␉if (rdmsr64(MSR_IA32_EXT_CONFIG) & (1 << 27)) ␊ |
| 1023 | ␉␉␉␉␉␉{␊ |
| 1024 | ␉␉␉␉␉␉␉wrmsr64(MSR_IA32_EXT_CONFIG, (rdmsr64(MSR_IA32_EXT_CONFIG) | (1 << 28))); ␊ |
| 1025 | ␉␉␉␉␉␉␉delay(1);␊ |
| 1026 | ␉␉␉␉␉␉␉cpu_dynamic_fsb = rdmsr64(MSR_IA32_EXT_CONFIG) & (1 << 28);␊ |
| 1027 | ␉␉␉␉␉␉}␊ |
| 1028 | ␉␉␉␉␉␉␊ |
| 1029 | ␉␉␉␉␉␉bool cpu_noninteger_bus_ratio = (rdmsr64(MSR_IA32_PERF_STATUS) & (1ULL << 46));␊ |
| 1030 | ␉␉␉␉␉␉␊ |
| 1031 | ␉␉␉␉␉␉initial.Control = rdmsr64(MSR_IA32_PERF_STATUS);␊ |
| 1032 | ␉␉␉␉␉␉␊ |
| 1033 | ␉␉␉␉␉␉maximum.Control = ((rdmsr64(MSR_IA32_PERF_STATUS) >> 32) & 0x1F3F) | (0x4000 * cpu_noninteger_bus_ratio);␊ |
| 1034 | ␉␉␉␉␉␉maximum.CID = ((maximum.FID & 0x1F) << 1) | cpu_noninteger_bus_ratio;␊ |
| 1035 | ␉␉␉␉␉␉␊ |
| 1036 | ␉␉␉␉␉␉minimum.FID = ((rdmsr64(MSR_IA32_PERF_STATUS) >> 24) & 0x1F) | (0x80 * cpu_dynamic_fsb);␊ |
| 1037 | ␉␉␉␉␉␉minimum.VID = ((rdmsr64(MSR_IA32_PERF_STATUS) >> 48) & 0x3F);␊ |
| 1038 | ␉␉␉␉␉␉␊ |
| 1039 | ␉␉␉␉␉␉if (minimum.FID == 0) ␊ |
| 1040 | ␉␉␉␉␉␉{␊ |
| 1041 | ␉␉␉␉␉␉␉U64 msr;␊ |
| 1042 | ␉␉␉␉␉␉␉U8 i;␊ |
| 1043 | ␉␉␉␉␉␉␉// Probe for lowest fid␊ |
| 1044 | ␉␉␉␉␉␉␉for (i = maximum.FID; i >= 0x6; i--) ␊ |
| 1045 | ␉␉␉␉␉␉␉{␊ |
| 1046 | ␉␉␉␉␉␉␉␉msr = rdmsr64(MSR_IA32_PERF_CONTROL);␊ |
| 1047 | ␉␉␉␉␉␉␉␉wrmsr64(MSR_IA32_PERF_CONTROL, (msr & 0xFFFFFFFFFFFF0000ULL) | (i << 8) | minimum.VID);␊ |
| 1048 | ␉␉␉␉␉␉␉␉intel_waitforsts();␊ |
| 1049 | ␉␉␉␉␉␉␉␉minimum.FID = (rdmsr64(MSR_IA32_PERF_STATUS) >> 8) & 0x1F; ␊ |
| 1050 | ␉␉␉␉␉␉␉␉delay(1);␊ |
| 1051 | ␉␉␉␉␉␉␉}␊ |
| 1052 | ␉␉␉␉␉␉␉␊ |
| 1053 | ␉␉␉␉␉␉␉msr = rdmsr64(MSR_IA32_PERF_CONTROL);␊ |
| 1054 | ␉␉␉␉␉␉␉wrmsr64(MSR_IA32_PERF_CONTROL, (msr & 0xFFFFFFFFFFFF0000ULL) | (maximum.FID << 8) | maximum.VID);␊ |
| 1055 | ␉␉␉␉␉␉␉intel_waitforsts();␊ |
| 1056 | ␉␉␉␉␉␉}␊ |
| 1057 | ␉␉␉␉␉␉␊ |
| 1058 | ␉␉␉␉␉␉if (minimum.VID == maximum.VID) ␊ |
| 1059 | ␉␉␉␉␉␉{␉␊ |
| 1060 | ␉␉␉␉␉␉␉U64 msr;␊ |
| 1061 | ␉␉␉␉␉␉␉U8 i;␊ |
| 1062 | ␉␉␉␉␉␉␉// Probe for lowest vid␊ |
| 1063 | ␉␉␉␉␉␉␉for (i = maximum.VID; i > 0xA; i--) ␊ |
| 1064 | ␉␉␉␉␉␉␉{␊ |
| 1065 | ␉␉␉␉␉␉␉␉msr = rdmsr64(MSR_IA32_PERF_CONTROL);␊ |
| 1066 | ␉␉␉␉␉␉␉␉wrmsr64(MSR_IA32_PERF_CONTROL, (msr & 0xFFFFFFFFFFFF0000ULL) | (minimum.FID << 8) | i);␊ |
| 1067 | ␉␉␉␉␉␉␉␉intel_waitforsts();␊ |
| 1068 | ␉␉␉␉␉␉␉␉minimum.VID = rdmsr64(MSR_IA32_PERF_STATUS) & 0x3F; ␊ |
| 1069 | ␉␉␉␉␉␉␉␉delay(1);␊ |
| 1070 | ␉␉␉␉␉␉␉}␊ |
| 1071 | ␉␉␉␉␉␉␉␊ |
| 1072 | ␉␉␉␉␉␉␉msr = rdmsr64(MSR_IA32_PERF_CONTROL);␊ |
| 1073 | ␉␉␉␉␉␉␉wrmsr64(MSR_IA32_PERF_CONTROL, (msr & 0xFFFFFFFFFFFF0000ULL) | (maximum.FID << 8) | maximum.VID);␊ |
| 1074 | ␉␉␉␉␉␉␉intel_waitforsts();␊ |
| 1075 | ␉␉␉␉␉␉}␊ |
| 1076 | ␉␉␉␉␉␉␊ |
| 1077 | ␉␉␉␉␉␉minimum.CID = ((minimum.FID & 0x1F) << 1) >> cpu_dynamic_fsb;␊ |
| 1078 | ␉␉␉␉␉␉␊ |
| 1079 | ␉␉␉␉␉␉// Sanity check␊ |
| 1080 | ␉␉␉␉␉␉if (maximum.CID < minimum.CID) ␊ |
| 1081 | ␉␉␉␉␉␉{␊ |
| 1082 | ␉␉␉␉␉␉␉DBG("Insane FID values!");␊ |
| 1083 | ␉␉␉␉␉␉␉p_states_count = 0;␊ |
| 1084 | ␉␉␉␉␉␉}␊ |
| 1085 | ␉␉␉␉␉␉else␊ |
| 1086 | ␉␉␉␉␉␉{␊ |
| 1087 | ␉␉␉␉␉␉␉// Finalize P-States␊ |
| 1088 | ␉␉␉␉␉␉␉// Find how many P-States machine supports␊ |
| 1089 | ␉␉␉␉␉␉␉p_states_count = maximum.CID - minimum.CID + 1;␊ |
| 1090 | ␉␉␉␉␉␉␉␊ |
| 1091 | ␉␉␉␉␉␉␉if (p_states_count > 32) // MAX_PSTATES ??␊ |
| 1092 | ␉␉␉␉␉␉␉␉p_states_count = 32; // MAX_PSTATES ??␊ |
| 1093 | ␉␉␉␉␉␉␉␊ |
| 1094 | ␉␉␉␉␉␉␉U8 vidstep;␊ |
| 1095 | ␉␉␉␉␉␉␉U8 i = 0, u, invalid = 0;␊ |
| 1096 | ␉␉␉␉␉␉␉␊ |
| 1097 | ␉␉␉␉␉␉␉vidstep = ((maximum.VID << 2) - (minimum.VID << 2)) / (p_states_count - 1);␊ |
| 1098 | ␉␉␉␉␉␉␉␊ |
| 1099 | ␉␉␉␉␉␉␉for (u = 0; u < p_states_count; u++) ␊ |
| 1100 | ␉␉␉␉␉␉␉{␊ |
| 1101 | ␉␉␉␉␉␉␉␉i = u - invalid;␊ |
| 1102 | ␉␉␉␉␉␉␉␉␊ |
| 1103 | ␉␉␉␉␉␉␉␉p_states[i].CID = maximum.CID - u;␊ |
| 1104 | ␉␉␉␉␉␉␉␉p_states[i].FID = (p_states[i].CID >> 1);␊ |
| 1105 | ␉␉␉␉␉␉␉␉␊ |
| 1106 | ␉␉␉␉␉␉␉␉if (p_states[i].FID < 0x6) ␊ |
| 1107 | ␉␉␉␉␉␉␉␉{␊ |
| 1108 | ␉␉␉␉␉␉␉␉␉if (cpu_dynamic_fsb) ␊ |
| 1109 | ␉␉␉␉␉␉␉␉␉␉p_states[i].FID = (p_states[i].FID << 1) | 0x80;␊ |
| 1110 | ␉␉␉␉␉␉␉␉} ␊ |
| 1111 | ␉␉␉␉␉␉␉␉else if (cpu_noninteger_bus_ratio) ␊ |
| 1112 | ␉␉␉␉␉␉␉␉{␊ |
| 1113 | ␉␉␉␉␉␉␉␉␉p_states[i].FID = p_states[i].FID | (0x40 * (p_states[i].CID & 0x1));␊ |
| 1114 | ␉␉␉␉␉␉␉␉}␊ |
| 1115 | ␉␉␉␉␉␉␉␉␊ |
| 1116 | ␉␉␉␉␉␉␉␉if (i && p_states[i].FID == p_states[i-1].FID)␊ |
| 1117 | ␉␉␉␉␉␉␉␉␉invalid++;␊ |
| 1118 | ␉␉␉␉␉␉␉␉␊ |
| 1119 | ␉␉␉␉␉␉␉␉p_states[i].VID = ((maximum.VID << 2) - (vidstep * u)) >> 2;␊ |
| 1120 | ␉␉␉␉␉␉␉␉␊ |
| 1121 | ␉␉␉␉␉␉␉␉U32 multiplier = p_states[i].FID & 0x1f;␉␉// = 0x08␊ |
| 1122 | ␉␉␉␉␉␉␉␉bool half = p_states[i].FID & 0x40;␉␉␉␉␉// = 0x01␊ |
| 1123 | ␉␉␉␉␉␉␉␉bool dfsb = p_states[i].FID & 0x80;␉␉␉␉␉// = 0x00␊ |
| 1124 | ␉␉␉␉␉␉␉␉U32 fsb = Platform->CPU.FSBFrequency / 1000000; // = 400␊ |
| 1125 | ␉␉␉␉␉␉␉␉U32 halffsb = (fsb + 1) >> 1;␉␉␉␉␉// = 200␊ |
| 1126 | ␉␉␉␉␉␉␉␉U32 frequency = (multiplier * fsb);␉␉␉// = 3200␊ |
| 1127 | ␉␉␉␉␉␉␉␉␊ |
| 1128 | ␉␉␉␉␉␉␉␉p_states[i].Frequency = (frequency + (half * halffsb)) >> dfsb;␉// = 3200 + 200 = 3400␊ |
| 1129 | ␉␉␉␉␉␉␉}␊ |
| 1130 | ␉␉␉␉␉␉␉␊ |
| 1131 | ␉␉␉␉␉␉␉p_states_count -= invalid;␊ |
| 1132 | ␉␉␉␉␉␉}␊ |
| 1133 | ␉␉␉␉␉␉break;␊ |
| 1134 | ␉␉␉␉␉} ␊ |
| 1135 | ␉␉␉␉␉case CPUID_MODEL_FIELDS:␊ |
| 1136 | ␉␉␉␉␉case CPUID_MODEL_DALES:␊ |
| 1137 | ␉␉␉␉␉case CPUID_MODEL_DALES_32NM:␊ |
| 1138 | ␉␉␉␉␉case CPUID_MODEL_NEHALEM: ␊ |
| 1139 | ␉␉␉␉␉case CPUID_MODEL_NEHALEM_EX:␊ |
| 1140 | ␉␉␉␉␉case CPUID_MODEL_WESTMERE:␊ |
| 1141 | ␉␉␉␉␉case CPUID_MODEL_WESTMERE_EX:␊ |
| 1142 | ␉␉␉␉␉case CPUID_MODEL_SANDYBRIDGE:␊ |
| 1143 | case CPUID_MODEL_JAKETOWN:␊ |
| 1144 | ␉␉␉␉␉{␉␉␊ |
| 1145 | ␉␉␉␉␉␉maximum.Control = rdmsr64(MSR_IA32_PERF_STATUS) & 0xff; // Seems it always contains maximum multiplier value (with turbo, that's we need)...␊ |
| 1146 | ␉␉␉␉␉␉minimum.Control = (rdmsr64(MSR_PLATFORM_INFO) >> 40) & 0xff;␊ |
| 1147 | ␉␉␉␉␉␉␊ |
| 1148 | ␉␉␉␉␉␉verbose("P-States: min 0x%x, max 0x%x\n", minimum.Control, maximum.Control);␊ |
| 1149 | ␉␉␉␉␉␉␊ |
| 1150 | ␉␉␉␉␉␉// Sanity check␊ |
| 1151 | ␉␉␉␉␉␉if (maximum.Control < minimum.Control) ␊ |
| 1152 | ␉␉␉␉␉␉{␊ |
| 1153 | ␉␉␉␉␉␉␉DBG("Insane control values!");␊ |
| 1154 | ␉␉␉␉␉␉␉p_states_count = 0;␊ |
| 1155 | ␉␉␉␉␉␉}␊ |
| 1156 | ␉␉␉␉␉␉else␊ |
| 1157 | ␉␉␉␉␉␉{␊ |
| 1158 | ␉␉␉␉␉␉␉U8 i;␊ |
| 1159 | ␉␉␉␉␉␉␉p_states_count = 0;␊ |
| 1160 | ␉␉␉␉␉␉␉␊ |
| 1161 | ␉␉␉␉␉␉␉for (i = maximum.Control; i >= minimum.Control; i--) ␊ |
| 1162 | ␉␉␉␉␉␉␉{␊ |
| 1163 | ␉␉␉␉␉␉␉␉p_states[p_states_count].Control = i;␊ |
| 1164 | ␉␉␉␉␉␉␉␉p_states[p_states_count].CID = p_states[p_states_count].Control << 1;␊ |
| 1165 | ␉␉␉␉␉␉␉␉p_states[p_states_count].Frequency = (Platform->CPU.FSBFrequency / 1000000) * i;␊ |
| 1166 | ␉␉␉␉␉␉␉␉p_states_count++;␊ |
| 1167 | ␉␉␉␉␉␉␉␉if (p_states_count >= 32) {␊ |
| 1168 | ␉␉␉␉␉␉␉␉␉␊ |
| 1169 | ␉␉␉␉␉␉␉␉␉if (p_states_count > 32) // MAX_PSTATES ??␊ |
| 1170 | ␉␉␉␉␉␉␉␉␉␉p_states_count = 32; // MAX_PSTATES ??␊ |
| 1171 | ␉␉␉␉␉␉␉␉␉␊ |
| 1172 | ␉␉␉␉␉␉␉␉␉break;␊ |
| 1173 | ␉␉␉␉␉␉␉␉}␊ |
| 1174 | ␉␉␉␉␉␉␉}␊ |
| 1175 | ␉␉␉␉␉␉}␊ |
| 1176 | ␉␉␉␉␉␉␊ |
| 1177 | ␉␉␉␉␉␉break;␊ |
| 1178 | ␉␉␉␉␉}␊ |
| 1179 | ␉␉␉␉␉default:␊ |
| 1180 | ␉␉␉␉␉␉verbose ("Unsupported CPU: P-States will not be generated !!!\n");␊ |
| 1181 | ␉␉␉␉␉␉break;␊ |
| 1182 | ␉␉␉␉}␊ |
| 1183 | ␉␉␉}␊ |
| 1184 | ␉␉␉default:␊ |
| 1185 | ␉␉␉␉break;␊ |
| 1186 | ␉␉}␊ |
| 1187 | ␉␉␊ |
| 1188 | ␉␉// Generating SSDT␊ |
| 1189 | ␉␉if (p_states_count) ␊ |
| 1190 | ␉␉{␉␊ |
| 1191 | ␉␉␉unsigned int i;␊ |
| 1192 | ␉␉␉␊ |
| 1193 | ␉␉␉struct aml_chunk* root = aml_create_node(NULL);␊ |
| 1194 | aml_add_buffer(root, ssdt_header, sizeof(ssdt_header)); // SSDT header␊ |
| 1195 | ␉␉␉struct aml_chunk* scop;␊ |
| 1196 | ␉␉␉if (cpuNamespace == CPU_NAMESPACE_PR) ␊ |
| 1197 | ␉␉␉␉␉scop = aml_add_scope(root, "\\_PR_");␊ |
| 1198 | ␉␉␉else if (cpuNamespace == CPU_NAMESPACE_SB) ␊ |
| 1199 | ␉␉␉␉␉scop = aml_add_scope(root, "\\_SB_");␊ |
| 1200 | else ␊ |
| 1201 | ␉␉␉{␊ |
| 1202 | aml_destroy_node(root);␉␊ |
| 1203 | goto out;␊ |
| 1204 | }␉␉␉␉␊ |
| 1205 | struct aml_chunk* name = aml_add_name(scop, "PSS_");␊ |
| 1206 | struct aml_chunk* pack = aml_add_package(name);␊ |
| 1207 | ␉␉␉␊ |
| 1208 | U8 minPSratio = (p_states[p_states_count-1].Frequency / (Platform->CPU.FSBFrequency / 10000000 ));␊ |
| 1209 | U8 maxPSratio = (p_states[0].Frequency / (Platform->CPU.FSBFrequency / 10000000 ));␊ |
| 1210 | ␊ |
| 1211 | U8 cpu_div = Platform->CPU.CurrDiv;␊ |
| 1212 | U8 cpu_ratio = 0;␊ |
| 1213 | ␉␉␉␊ |
| 1214 | if (cpu_div) ␉␉␉␉␉␉␉␉␊ |
| 1215 | cpu_ratio = (Platform->CPU.CurrCoef * 10) + 5;␉␉␉␉␉␉␉␉␊ |
| 1216 | else ␉␉␉␉␉␉␉␉␊ |
| 1217 | cpu_ratio = Platform->CPU.CurrCoef * 10;␊ |
| 1218 | ␊ |
| 1219 | ␉␉␉␊ |
| 1220 | int user_max_ratio = 0;␊ |
| 1221 | getIntForKey(kMaxRatio, &user_max_ratio, &bootInfo->bootConfig);␊ |
| 1222 | if (user_max_ratio >= minPSratio && maxPSratio >= user_max_ratio) {␉␉␉␉␉␉␉␉␉␊ |
| 1223 | ␉␉␉␉␊ |
| 1224 | U8 maxcurrdiv = 0, maxcurrcoef = (int)(user_max_ratio / 10);␉␉␉␉␉␉␉␉␉␊ |
| 1225 | ␉␉␉␉␊ |
| 1226 | U8 maxdiv = user_max_ratio - (maxcurrcoef * 10);␊ |
| 1227 | if (maxdiv > 0)␊ |
| 1228 | maxcurrdiv = 1;␊ |
| 1229 | ␉␉␉␉␊ |
| 1230 | if (maxcurrdiv) ␉␉␉␉␉␉␉␉␉␊ |
| 1231 | cpu_ratio = (maxcurrcoef * 10) + 5;␉␉␉␉␉␉␉␉␉␊ |
| 1232 | else ␉␉␉␉␉␉␉␉␉␊ |
| 1233 | cpu_ratio = maxcurrcoef * 10;␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␊ |
| 1234 | }␊ |
| 1235 | ␉␉␉␊ |
| 1236 | int user_min_ratio = 0;␊ |
| 1237 | getIntForKey(kMinRatio, &user_min_ratio, &bootInfo->bootConfig);␊ |
| 1238 | if (user_min_ratio >= minPSratio && cpu_ratio >= user_min_ratio) {␊ |
| 1239 | ␉␉␉␉␊ |
| 1240 | U8 mincurrdiv = 0, mincurrcoef = (int)(user_min_ratio / 10);␉␉␉␉␉␉␉␉␉␊ |
| 1241 | ␉␉␉␉␊ |
| 1242 | U8 mindiv = user_min_ratio - (mincurrcoef * 10);␊ |
| 1243 | ␉␉␉␉␊ |
| 1244 | if (mindiv > 0)␊ |
| 1245 | mincurrdiv = 1;␉␉␉␉␉␉␉␉␉␊ |
| 1246 | ␉␉␉␉␊ |
| 1247 | if (mincurrdiv) ␉␉␉␉␉␉␉␉␉␊ |
| 1248 | minPSratio = (mincurrcoef * 10) + 5;␉␉␉␉␉␉␉␉␉␊ |
| 1249 | else ␉␉␉␉␉␉␉␉␉␊ |
| 1250 | minPSratio = mincurrcoef * 10;␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␊ |
| 1251 | ␉␉␉␉␊ |
| 1252 | }␊ |
| 1253 | ␉␉␉␊ |
| 1254 | if (maxPSratio >= cpu_ratio && cpu_ratio >= minPSratio)␉maxPSratio = cpu_ratio;␉␉␉␉␉␉␉␉␉␉␉␉␉␊ |
| 1255 | ␉␉␉␊ |
| 1256 | TagPtr personality = XMLCastDict(XMLGetProperty(bootInfo->bootConfig.dictionary, (const char*)"P-States"));␊ |
| 1257 | char* MatchStat = 0;␊ |
| 1258 | int dropPSS = 0, Pstatus = 0, base = 16;␉␉␉␉␉␉␉␉␊ |
| 1259 | int expert = 0;/* Default: 0 , mean mixed mode | expert mode : 1 , mean add only p-states found in boot.plist*/␊ |
| 1260 | char *tmpstr = XMLCastString(XMLGetProperty(personality, (const char*)"Mode"));␊ |
| 1261 | ␊ |
| 1262 | if (strcmp(tmpstr,"Expert") == 0) {␊ |
| 1263 | p_states_count = XMLTagCount(personality) - 1 ; // - 1 = - ("Mode" tag) ␉␉␉␉␉␉␉␉␉␉␊ |
| 1264 | expert = 1;␊ |
| 1265 | }␊ |
| 1266 | ␉␉␉␊ |
| 1267 | ␊ |
| 1268 | if ((tmpstr = XMLCastString(XMLGetProperty(personality, (const char*)"Base")))) {␊ |
| 1269 | ␊ |
| 1270 | if (expert) p_states_count--; // -= ("Base" tag) ␊ |
| 1271 | ␊ |
| 1272 | int mybase = strtol(tmpstr, NULL, 10);␉␊ |
| 1273 | ␊ |
| 1274 | if (mybase == 8 || mybase == 10 || mybase == 16 )␊ |
| 1275 | base = mybase;␉␉␉␉␉␉␉␉␉␊ |
| 1276 | }␊ |
| 1277 | ␉␉␉␊ |
| 1278 | for (i = 0; i < p_states_count; i++) ␊ |
| 1279 | {␉␉␉␉␉␉␉␉␉␊ |
| 1280 | sprintf(MatchStat, "%d",i);␊ |
| 1281 | TagPtr match_Status = XMLGetProperty(personality, (const char*)MatchStat); ␉␉␉␉␉␉␉␉ ␊ |
| 1282 | ␊ |
| 1283 | char *Lat1 = NULL, *clk = NULL, *Pw = NULL, *Lat2 = NULL, *Ctrl = NULL ;␊ |
| 1284 | ␊ |
| 1285 | if (match_Status) {␉␉␉␉␉␉␉␉␉␉␉␉␊ |
| 1286 | ␊ |
| 1287 | clk = XMLCastString(XMLGetProperty(match_Status, (const char*)"CoreFreq"));␊ |
| 1288 | Pw = XMLCastString(XMLGetProperty(match_Status, (const char*)"Power"));␊ |
| 1289 | Lat1 = XMLCastString(XMLGetProperty(match_Status, (const char*)"Transition Latency"));␊ |
| 1290 | Lat2 = XMLCastString(XMLGetProperty(match_Status, (const char*)"Bus Master Latency"));␊ |
| 1291 | Ctrl = XMLCastString(XMLGetProperty(match_Status, (const char*)"Control"));␊ |
| 1292 | ␊ |
| 1293 | ␊ |
| 1294 | } else if (expert) ␊ |
| 1295 | continue;␊ |
| 1296 | ␊ |
| 1297 | ␊ |
| 1298 | unsigned long Frequency = 0x00000000;␊ |
| 1299 | ␊ |
| 1300 | if (!expert) Frequency = p_states[i].Frequency;␊ |
| 1301 | ␊ |
| 1302 | if (clk) ␊ |
| 1303 | Frequency = strtoul((const char *)clk, NULL,base);␊ |
| 1304 | ␊ |
| 1305 | if (!Frequency || Frequency > p_states[0].Frequency ) continue;␊ |
| 1306 | ␊ |
| 1307 | U8 curr_ratio = (Frequency / (Platform->CPU.FSBFrequency / 10000000 ));␊ |
| 1308 | ␊ |
| 1309 | if (curr_ratio > maxPSratio || minPSratio > curr_ratio)␊ |
| 1310 | goto dropPstate;␊ |
| 1311 | ␊ |
| 1312 | struct aml_chunk* pstt = aml_add_package(pack);␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␊ |
| 1313 | aml_add_dword(pstt, Frequency); // CoreFreq (in MHz).␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␊ |
| 1314 | aml_add_dword(pstt, resolve_pss(0x00000000, Pw, base)); // Power (in milliWatts)␉␉␉␉␉␉␉␉␉␊ |
| 1315 | aml_add_dword(pstt, resolve_pss(0x0000000A, Lat1, base)); // Transition Latency (in microseconds).␉␉␉␉␉␉␉␉␉␊ |
| 1316 | aml_add_dword(pstt, resolve_pss(0x0000000A, Lat2, base)); // Bus Master Latency (in microseconds).␉␉␉␉␉␉␉␉␉␊ |
| 1317 | unsigned long Control = 0x00000000;␊ |
| 1318 | if (!expert) Control = p_states[i].Control;␉␉␉␉␉␉␉␉␉␊ |
| 1319 | aml_add_dword(pstt, resolve_pss(Control, Ctrl, base)); // Control␉␉␉␉␉␉␉␉␉␊ |
| 1320 | Pstatus++;␊ |
| 1321 | aml_add_dword(pstt, Pstatus); // Status␉␉␉␉␉␉␉␉␉␊ |
| 1322 | continue;␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␊ |
| 1323 | dropPstate:␊ |
| 1324 | ␊ |
| 1325 | DBG("state with cpu frequency :%d and ratio :%d will be dropped\n",p_states[i].Frequency,curr_ratio);␉␉␊ |
| 1326 | ␊ |
| 1327 | dropPSS++;␊ |
| 1328 | ␊ |
| 1329 | ␊ |
| 1330 | }␉␉␉␊ |
| 1331 | ␉␉␉␊ |
| 1332 | ␊ |
| 1333 | ␉␉␉// Add aliaces␊ |
| 1334 | ␉␉␉for (i = 0; i < cpu_map_count; i++) ␊ |
| 1335 | ␉␉␉{␊ |
| 1336 | ␉␉␉␉char name[9];␊ |
| 1337 | U32 nseg = *(U32*)cpu_map[i].nameseg;␊ |
| 1338 | if (cpuNamespace == CPU_NAMESPACE_PR) {␊ |
| 1339 | sprintf(name, "_PR_%c%c%c%c",␊ |
| 1340 | (int)(nseg & 0x000000ff),␊ |
| 1341 | (int)((nseg & 0x0000ff00) >> 8),␊ |
| 1342 | (int)((nseg & 0x00ff0000) >> 16),␊ |
| 1343 | (int)(nseg >> 24));␊ |
| 1344 | } else if (cpuNamespace == CPU_NAMESPACE_SB) {␊ |
| 1345 | sprintf(name, "_SB_%c%c%c%c",␊ |
| 1346 | (int)(nseg & 0x000000ff),␊ |
| 1347 | (int)((nseg & 0x0000ff00) >> 8),␊ |
| 1348 | (int)((nseg & 0x00ff0000) >> 16),␊ |
| 1349 | (int)(nseg >> 24));␊ |
| 1350 | } else {␊ |
| 1351 | aml_destroy_node(root);␉␊ |
| 1352 | goto out;␊ |
| 1353 | }␊ |
| 1354 | ␊ |
| 1355 | ␉␉␉␉scop = aml_add_scope(root, name);␊ |
| 1356 | ␉␉␉␉aml_add_alias(scop, "PSS_", "_PSS");␊ |
| 1357 | ␉␉␉}␊ |
| 1358 | ␉␉␉␊ |
| 1359 | ␉␉␉aml_calculate_size(root);␊ |
| 1360 | ␉␉␉␊ |
| 1361 | ␉␉␉ACPI_TABLE_SSDT *ssdt = (ACPI_TABLE_SSDT *)AllocateKernelMemory(root->Size);␊ |
| 1362 | ␉␉␉␊ |
| 1363 | ␉␉␉aml_write_node(root, (void*)ssdt, 0);␊ |
| 1364 | ␉␉␉␊ |
| 1365 | ␉␉␉ssdt->Header.Length = root->Size;␊ |
| 1366 | ␉␉␉␊ |
| 1367 | SetChecksum(&ssdt->Header);␊ |
| 1368 | ␉␉␉␊ |
| 1369 | ␉␉␉aml_destroy_node(root);␉␉␉␊ |
| 1370 | ␉␉␉␊ |
| 1371 | ␉␉␉verbose ("SSDT with CPU P-States generated successfully");␊ |
| 1372 | ␉␉␉␊ |
| 1373 | ␉␉␉if (dropPSS)␊ |
| 1374 | verbose(", %d P-state(s) dropped",dropPSS);␊ |
| 1375 | ␉␉␉␊ |
| 1376 | ␉␉␉verbose("\n");␊ |
| 1377 | ␉␉␉␊ |
| 1378 | ␉␉␉return ssdt;␊ |
| 1379 | ␉␉}␊ |
| 1380 | ␉}␊ |
| 1381 | ␉else ␊ |
| 1382 | ␉{␊ |
| 1383 | out:␊ |
| 1384 | ␉␉verbose("ACPI CPUs not found: P-States will not be generated !!!\n");␊ |
| 1385 | ␉}␊ |
| 1386 | ␉␊ |
| 1387 | ␉return (void *)0ul;␊ |
| 1388 | }␊ |
| 1389 | #else␊ |
| 1390 | ␊ |
| 1391 | static bool is_sandybridge(void)␊ |
| 1392 | {␊ |
| 1393 | return Platform->CPU.Model == CPUID_MODEL_SANDYBRIDGE;␊ |
| 1394 | }␊ |
| 1395 | ␊ |
| 1396 | static bool is_jaketown(void)␊ |
| 1397 | {␊ |
| 1398 | return Platform->CPU.Model == CPUID_MODEL_JAKETOWN;␊ |
| 1399 | }␊ |
| 1400 | ␊ |
| 1401 | static U32 get_bclk(void)␊ |
| 1402 | {␊ |
| 1403 | ␉return (is_jaketown() || is_sandybridge()) ? 100 : 133;␊ |
| 1404 | }␊ |
| 1405 | ␊ |
| 1406 | //-----------------------------------------------------------------------------␊ |
| 1407 | static U32 computePstateRatio(const U32 max, const U32 min, const U32 turboEnabled, const U32 numStates, const U32 pstate)␊ |
| 1408 | {␊ |
| 1409 | ␉U32 ratiorange = max-min;␊ |
| 1410 | ␉U32 numGaps = numStates-1-turboEnabled;␊ |
| 1411 | ␉U32 adjPstate = pstate-turboEnabled;␊ |
| 1412 | ␉return (pstate == 0) ? (max + turboEnabled) :␊ |
| 1413 | ␉(ratiorange == 0) ? max :␊ |
| 1414 | ␉max-(((adjPstate*ratiorange)+(numGaps/2))/numGaps);␊ |
| 1415 | }␊ |
| 1416 | //-----------------------------------------------------------------------------␊ |
| 1417 | static U32 computeNumPstates(const U32 max, const U32 min, const U32 turboEnabled, const U32 pssLimit)␊ |
| 1418 | {␊ |
| 1419 | ␉U32 ratiorange, maxStates, numStates;␊ |
| 1420 | ␉␊ |
| 1421 | ␉ratiorange = max - min + 1;␊ |
| 1422 | ␉maxStates = ratiorange + (turboEnabled ? 1 : 0);␊ |
| 1423 | ␉numStates = (pssLimit < maxStates) ? pssLimit : maxStates;␊ |
| 1424 | ␉return (numStates < 2) ? 0 : numStates;␊ |
| 1425 | }␊ |
| 1426 | ␊ |
| 1427 | #if BUILD_ACPI_TSS || pstate_power_support␊ |
| 1428 | static U64 divU64byU64(U64 n, U64 d, U64 * rem)␊ |
| 1429 | {␊ |
| 1430 | U32 i;␊ |
| 1431 | U64 q = n;␊ |
| 1432 | U64 r = 0;␊ |
| 1433 | ␉␊ |
| 1434 | for (i = 0; i < 64; i++) {␊ |
| 1435 | r <<= 1;␊ |
| 1436 | r |= (q & (1ULL << 63)) >> 63;␊ |
| 1437 | q <<= 1;␊ |
| 1438 | if (r >= d) {␊ |
| 1439 | r -= d;␊ |
| 1440 | q |= 1;␊ |
| 1441 | }␊ |
| 1442 | }␊ |
| 1443 | if (rem)␊ |
| 1444 | *rem = r;␊ |
| 1445 | return q;␊ |
| 1446 | }␊ |
| 1447 | ␊ |
| 1448 | static U32 compute_tdp(CPU_DETAILS * cpu)␊ |
| 1449 | { ␊ |
| 1450 | ␊ |
| 1451 | {␊ |
| 1452 | if (is_jaketown() || is_sandybridge())␊ |
| 1453 | {␊ |
| 1454 | U64 power_limit_1 = cpu->package_power_limit & ((1ULL << 15) - 1);␊ |
| 1455 | U64 power_unit = cpu->package_power_sku_unit & ((1ULL << 4) - 1);␊ |
| 1456 | U64 tdp = divU64byU64(power_limit_1, 1 << power_unit, NULL);␊ |
| 1457 | return (U32)tdp;␊ |
| 1458 | }␊ |
| 1459 | else␊ |
| 1460 | {␊ |
| 1461 | // tdp = (TURBO_POWER_CURRENT_LIMIT MSR 1ACh bit [14:0] / 8) Watts␊ |
| 1462 | return cpu->tdp_limit / 8;␊ |
| 1463 | }␊ |
| 1464 | }␊ |
| 1465 | ␉␊ |
| 1466 | }␊ |
| 1467 | #endif␊ |
| 1468 | ␊ |
| 1469 | #if pstate_power_support␊ |
| 1470 | static U64 mulU64byU64(U64 a, U64 b, U64 * high)␊ |
| 1471 | {␊ |
| 1472 | U64 b_high = 0;␊ |
| 1473 | U64 r_high = 0, r_low = 0;␊ |
| 1474 | U64 bit;␊ |
| 1475 | ␉␊ |
| 1476 | for (bit = 1; bit; bit <<= 1) {␊ |
| 1477 | if (a & bit) {␊ |
| 1478 | if (r_low + b < r_low)␊ |
| 1479 | r_high++;␊ |
| 1480 | r_low += b;␊ |
| 1481 | r_high += b_high;␊ |
| 1482 | }␊ |
| 1483 | b_high <<= 1;␊ |
| 1484 | b_high |= (b & (1ULL << 63)) >> 63;␊ |
| 1485 | b <<= 1;␊ |
| 1486 | }␊ |
| 1487 | ␉␊ |
| 1488 | if (high)␊ |
| 1489 | *high = r_high;␊ |
| 1490 | return r_low;␊ |
| 1491 | }␊ |
| 1492 | ␊ |
| 1493 | static U32 compute_pstate_power(CPU_DETAILS * cpu, U32 ratio, U32 TDP)␊ |
| 1494 | {␊ |
| 1495 | ␉if (is_jaketown() || is_sandybridge())␊ |
| 1496 | ␉{␊ |
| 1497 | ␉␉U32 P1_Ratio = cpu->max_ratio_as_mfg;␊ |
| 1498 | ␉␉U64 M, pstate_power;␊ |
| 1499 | ␉␉␊ |
| 1500 | ␉␉// M = ((1.1 - ((P1_ratio - ratio) * 0.00625)) / 1.1) ^2␊ |
| 1501 | ␉␉// To prevent loss of precision compute M * 10^5 (preserves 5 decimal places)␊ |
| 1502 | ␉␉M = (P1_Ratio - ratio) * 625;␊ |
| 1503 | ␉␉M = (110000 - M);␊ |
| 1504 | ␉␉M = divU64byU64(M, 11, NULL);␊ |
| 1505 | ␉␉M = divU64byU64(mulU64byU64(M, M, NULL), 1000, NULL);␊ |
| 1506 | ␉␉␊ |
| 1507 | ␉␉// pstate_power = ((ratio/p1_ratio) * M * TDP)␊ |
| 1508 | ␉␉// Divide the final answer by 10^5 to remove the precision factor␊ |
| 1509 | ␉␉pstate_power = mulU64byU64(ratio, M, NULL);␊ |
| 1510 | ␉␉pstate_power = mulU64byU64(pstate_power, TDP, NULL);␊ |
| 1511 | ␉␉pstate_power = divU64byU64(pstate_power, P1_Ratio, NULL);␊ |
| 1512 | ␉␉pstate_power = divU64byU64(pstate_power, 100000, NULL);␊ |
| 1513 | ␉␉return (U32)pstate_power; // in Watts␊ |
| 1514 | ␉}␊ |
| 1515 | ␉else␊ |
| 1516 | ␉{␊ |
| 1517 | ␉␉// pstate_power[ratio] = (ratio/P1_ratio)^3 * Core_TDP + Uncore_TDP␊ |
| 1518 | ␉␉␊ |
| 1519 | ␉␉// Core_TDP = (TURBO_POWER_CURRENT_LIMIT MSR 1ACh bit [30:16] / 8) Watts␊ |
| 1520 | ␉␉U32 Core_TDP = cpu->tdc_limit / 8;␊ |
| 1521 | ␉␉␊ |
| 1522 | ␉␉// Uncore_TDP = TDP - Core_TDP␊ |
| 1523 | ␉␉U32 Uncore_TDP = TDP - Core_TDP;␊ |
| 1524 | ␉␉␊ |
| 1525 | ␉␉// max_ratio_as_mfg = P1_Ratio derived from Brand String returned by CPUID instruction␊ |
| 1526 | ␉␉U32 P1_Ratio = cpu->max_ratio_as_mfg;␊ |
| 1527 | ␉␉␊ |
| 1528 | #define PRECISION_FACTOR (U32) 30␊ |
| 1529 | #define PRECISION_FACTOR_CUBED (U32) (PRECISION_FACTOR * PRECISION_FACTOR * PRECISION_FACTOR)␊ |
| 1530 | ␉␉␊ |
| 1531 | ␉␉U32 ratio_factor = (ratio * PRECISION_FACTOR)/P1_Ratio;␊ |
| 1532 | ␉␉return ((ratio_factor * ratio_factor * ratio_factor * Core_TDP) / PRECISION_FACTOR_CUBED) + Uncore_TDP;␊ |
| 1533 | ␉}␊ |
| 1534 | }␊ |
| 1535 | #endif␊ |
| 1536 | ␊ |
| 1537 | static U32 encode_pstate(U32 ratio)␊ |
| 1538 | {␊ |
| 1539 | ␉if (is_jaketown() || is_sandybridge())␊ |
| 1540 | ␉␉return ratio << 8;␊ |
| 1541 | ␉return ratio;␊ |
| 1542 | }␊ |
| 1543 | ␊ |
| 1544 | //-----------------------------------------------------------------------------␊ |
| 1545 | void GetMaxRatio(U32 * max_non_turbo_ratio)␊ |
| 1546 | {␊ |
| 1547 | ␉U32 index;␊ |
| 1548 | ␉U32 max_ratio=0;␊ |
| 1549 | ␉U32 frequency=0;␊ |
| 1550 | U32 multiplier = 0;␊ |
| 1551 | ␉// Verify CPUID brand string function is supported␊ |
| 1552 | ␉if (Platform->CPU.cpuid_max_ext < 80000004)␊ |
| 1553 | ␉{␊ |
| 1554 | ␉␉*max_non_turbo_ratio = max_ratio;␊ |
| 1555 | ␉␉return;␊ |
| 1556 | ␉}␉␊ |
| 1557 | ␉␊ |
| 1558 | // -2 to prevent buffer overrun because looking for y in yHz, so z is +2 from y␊ |
| 1559 | for (index=0; index<48-2; index++) {␊ |
| 1560 | // format is either “x.xxyHz” or “xxxxyHz”, where y=M,G,T and x is digits␊ |
| 1561 | // Search brand string for “yHz” where y is M, G, or T␊ |
| 1562 | // Set multiplier so frequency is in MHz␊ |
| 1563 | if ( Platform->CPU.BrandString[index+1] == 'H' && Platform->CPU.BrandString[index+2] == 'z')␊ |
| 1564 | {␊ |
| 1565 | if (Platform->CPU.BrandString[index] == 'M')␊ |
| 1566 | multiplier = 1;␊ |
| 1567 | else if (Platform->CPU.BrandString[index] == 'G')␊ |
| 1568 | multiplier = 1000;␊ |
| 1569 | else if (Platform->CPU.BrandString[index] == 'T')␊ |
| 1570 | multiplier = 1000000;␊ |
| 1571 | }␊ |
| 1572 | if (multiplier > 0 && index >= 4 /* who can i call that, buffer underflow :-) ??*/)␊ |
| 1573 | {␊ |
| 1574 | // Copy 7 characters (length of “x.xxyHz”)␊ |
| 1575 | // index is at position of y in “x.xxyHz”␊ |
| 1576 | ␊ |
| 1577 | // Compute frequency (in MHz) from brand string␊ |
| 1578 | if (Platform->CPU.BrandString[index-3] == '.')␊ |
| 1579 | { // If format is “x.xx”␊ |
| 1580 | if (isdigit(Platform->CPU.BrandString[index-4]) && isdigit(Platform->CPU.BrandString[index-2]) &&␊ |
| 1581 | isdigit(Platform->CPU.BrandString[index-1]))␊ |
| 1582 | {␊ |
| 1583 | frequency = (U32)(Platform->CPU.BrandString[index-4] - '0') * multiplier;␊ |
| 1584 | frequency += (U32)(Platform->CPU.BrandString[index-2] - '0') * (multiplier / 10);␊ |
| 1585 | frequency += (U32)(Platform->CPU.BrandString[index-1] - '0') * (multiplier / 100);␊ |
| 1586 | } ␊ |
| 1587 | }␊ |
| 1588 | else␊ |
| 1589 | { // If format is xxxx␊ |
| 1590 | if (isdigit(Platform->CPU.BrandString[index-4]) && isdigit(Platform->CPU.BrandString[index-3]) && ␊ |
| 1591 | isdigit(Platform->CPU.BrandString[index-2]) && isdigit(Platform->CPU.BrandString[index-1]))␊ |
| 1592 | {␊ |
| 1593 | frequency = (U32)(Platform->CPU.BrandString[index-4] - '0') * 1000;␊ |
| 1594 | frequency += (U32)(Platform->CPU.BrandString[index-3] - '0') * 100;␊ |
| 1595 | frequency += (U32)(Platform->CPU.BrandString[index-2] - '0') * 10;␊ |
| 1596 | frequency += (U32)(Platform->CPU.BrandString[index-1] - '0');␊ |
| 1597 | frequency *= multiplier;␊ |
| 1598 | }␊ |
| 1599 | ␊ |
| 1600 | }␊ |
| 1601 | ␊ |
| 1602 | max_ratio = frequency / get_bclk();␊ |
| 1603 | break; ␊ |
| 1604 | }␊ |
| 1605 | }␊ |
| 1606 | ␉␊ |
| 1607 | ␉// Return non-zero Max Non-Turbo Ratio obtained from CPUID brand string␊ |
| 1608 | ␉// or return 0 indicating Max Non-Turbo Ratio not available␊ |
| 1609 | ␉*max_non_turbo_ratio = max_ratio;␊ |
| 1610 | }␊ |
| 1611 | ␊ |
| 1612 | //-----------------------------------------------------------------------------␊ |
| 1613 | static void collect_cpu_info(CPU_DETAILS * cpu)␊ |
| 1614 | { ␊ |
| 1615 | ␉␊ |
| 1616 | #if BUILD_ACPI_TSS || pstate_power_support␊ |
| 1617 | cpu->turbo_available = Platform->CPU.dynamic_acceleration;␊ |
| 1618 | ␉␊ |
| 1619 | ␉{␊ |
| 1620 | ␉␉U32 temp32 = 0;␊ |
| 1621 | ␉␉U64 temp64= 0;␊ |
| 1622 | ␉␉int tdp;␊ |
| 1623 | ␉␉if (getIntForKey("TDP", &tdp, &bootInfo->bootConfig))␊ |
| 1624 | ␉␉{␊ |
| 1625 | ␉␉␉temp32 = (U32) (tdp*8) ; ␊ |
| 1626 | ␉␉␉␊ |
| 1627 | ␉␉␉int tdc;␊ |
| 1628 | ␉␉␉if (getIntForKey("TDC", &tdc, &bootInfo->bootConfig))␊ |
| 1629 | ␉␉␉{␊ |
| 1630 | ␉␉␉␉temp32 = (U32) (temp32) | tdc<<16 ; ␊ |
| 1631 | ␉␉␉␉␊ |
| 1632 | ␉␉␉}␊ |
| 1633 | ␉␉␉else if (tdp)␊ |
| 1634 | ␉␉␉{␊ |
| 1635 | ␉␉␉␉temp32 = (U32) (temp32) | ((tdp)*8)<<16 ;␊ |
| 1636 | ␉␉␉}␊ |
| 1637 | ␉␉␉␊ |
| 1638 | ␉␉}␊ |
| 1639 | ␉␉else if (!is_sandybridge() && !is_jaketown())␊ |
| 1640 | ␉␉{␊ |
| 1641 | ␉␉␉if (turbo_enabled && cpu->turbo_available)␊ |
| 1642 | ␉␉␉{␊ |
| 1643 | ␉␉␉␉temp64 = rdmsr64(MSR_TURBO_POWER_CURRENT_LIMIT);␊ |
| 1644 | ␉␉␉␉temp32 = (U32)temp64;␊ |
| 1645 | ␉␉␉} ␊ |
| 1646 | ␉␉␉else ␊ |
| 1647 | ␉␉␉{␊ |
| 1648 | ␉␉␉␉// Unfortunately, Intel don't provide a better method for non turbo processors␊ |
| 1649 | ␉␉␉␉// and it will give a TDP of 95w (for ex. mine is 65w) , to fix this issue,␊ |
| 1650 | ␉␉␉␉// you can set this value by simply adding the option TDP = XX (XX is an integer)␊ |
| 1651 | ␉␉␉␉// in your boot.plist ␊ |
| 1652 | ␉␉␉␉temp32 = (U32)0x02a802f8;␊ |
| 1653 | ␉␉␉}␊ |
| 1654 | ␉␉␉␊ |
| 1655 | ␉␉}␊ |
| 1656 | ␉␉if (temp32) {␊ |
| 1657 | ␉␉␉cpu->tdp_limit = ( temp32 & 0x7fff );␊ |
| 1658 | ␉␉␉cpu->tdc_limit = ( (temp32 >> 16) & 0x7fff );␊ |
| 1659 | ␉␉}␊ |
| 1660 | ␉} ␊ |
| 1661 | ␊ |
| 1662 | #endif␊ |
| 1663 | ␊ |
| 1664 | ␉switch (Platform->CPU.Family)␊ |
| 1665 | ␉{␊ |
| 1666 | ␉␉case 0x06: ␊ |
| 1667 | ␉␉{␊ |
| 1668 | ␉␉␉switch (Platform->CPU.Model) ␊ |
| 1669 | ␉␉␉{␊ |
| 1670 | ␉␉␉␉case CPUID_MODEL_DOTHAN: ␊ |
| 1671 | ␉␉␉␉case CPUID_MODEL_YONAH: // Yonah␊ |
| 1672 | ␉␉␉␉case CPUID_MODEL_MEROM: // Merom␊ |
| 1673 | ␉␉␉␉case CPUID_MODEL_PENRYN: // Penryn␊ |
| 1674 | ␉␉␉␉case CPUID_MODEL_ATOM: // Intel Atom (45nm)␊ |
| 1675 | ␉␉␉␉{␊ |
| 1676 | ␉␉␉␉␉␊ |
| 1677 | ␉␉␉␉␉cpu->core_c1_supported = ((Platform->CPU.sub_Cstates >> 4) & 0xf) ? 1 : 0;␊ |
| 1678 | ␉␉␉␉␉cpu->core_c4_supported = ((Platform->CPU.sub_Cstates >> 16) & 0xf) ? 1 : 0;␊ |
| 1679 | ␉␉␉␉␉␊ |
| 1680 | ␉␉␉␉␉if (Platform->CPU.Model == CPUID_MODEL_ATOM)␊ |
| 1681 | ␉␉␉␉␉{␊ |
| 1682 | ␉␉␉␉␉␉cpu->core_c2_supported = cpu->core_c3_supported = ((Platform->CPU.sub_Cstates >> 8) & 0xf) ? 1 : 0;␊ |
| 1683 | ␉␉␉␉␉␉cpu->core_c6_supported = ((Platform->CPU.sub_Cstates >> 12) & 0xf) ? 1 : 0;␊ |
| 1684 | ␊ |
| 1685 | ␉␉␉␉␉} ␊ |
| 1686 | ␉␉␉␉␉else␊ |
| 1687 | ␉␉␉␉␉{␊ |
| 1688 | ␉␉␉␉␉␉cpu->core_c3_supported = ((Platform->CPU.sub_Cstates >> 12) & 0xf) ? 1 : 0;␊ |
| 1689 | ␉␉␉␉␉␉cpu->core_c2_supported = ((Platform->CPU.sub_Cstates >> 8) & 0xf) ? 1 : 0;␊ |
| 1690 | ␉␉␉␉␉␉cpu->core_c6_supported = 0;␊ |
| 1691 | ␊ |
| 1692 | ␉␉␉␉␉}␊ |
| 1693 | ␊ |
| 1694 | ␉␉␉␉␉cpu->core_c7_supported = 0;␊ |
| 1695 | ␉␉␉␉␉␉␉␉␉␉␊ |
| 1696 | #if BETA␊ |
| 1697 | ␉␉␉␉␉GetMaxRatio(&cpu->max_ratio_as_mfg);␊ |
| 1698 | ␉␉␉␉␉U64 msr = rdmsr64(MSR_IA32_PERF_STATUS);␊ |
| 1699 | ␉␉␉␉␉U16 idlo = (msr >> 48) & 0xffff;␊ |
| 1700 | ␉␉␉␉␉U16 idhi = (msr >> 32) & 0xffff;␊ |
| 1701 | ␉␉␉␉␉cpu->min_ratio = (U32) (idlo >> 8) & 0xff;␊ |
| 1702 | ␉␉␉␉␉cpu->max_ratio_as_cfg = (U32) (idhi >> 8) & 0xff;␊ |
| 1703 | ␉␉␉␉␉␊ |
| 1704 | #else␊ |
| 1705 | ␉␉␉␉␉if (Platform->CPU.MaxCoef) ␊ |
| 1706 | ␉␉␉␉␉{␊ |
| 1707 | ␉␉␉␉␉␉if (Platform->CPU.MaxDiv) ␊ |
| 1708 | ␉␉␉␉␉␉{␊ |
| 1709 | ␉␉␉␉␉␉␉cpu->max_ratio_as_cfg = cpu->max_ratio_as_mfg = (U32) (Platform->CPU.MaxCoef * 10) + 5;␊ |
| 1710 | ␉␉␉␉␉␉}␊ |
| 1711 | ␉␉␉␉␉␉else ␊ |
| 1712 | ␉␉␉␉␉␉{␊ |
| 1713 | ␉␉␉␉␉␉␉cpu->max_ratio_as_cfg = cpu->max_ratio_as_mfg = (U32) Platform->CPU.MaxCoef * 10;␊ |
| 1714 | ␉␉␉␉␉␉}␊ |
| 1715 | ␉␉␉␉␉}␊ |
| 1716 | #endif␊ |
| 1717 | ␉␉␉␉␉␊ |
| 1718 | ␉␉␉␉␉break;␊ |
| 1719 | ␉␉␉␉} ␊ |
| 1720 | ␉␉␉␉case CPUID_MODEL_FIELDS:␊ |
| 1721 | ␉␉␉␉case CPUID_MODEL_DALES:␊ |
| 1722 | ␉␉␉␉case CPUID_MODEL_DALES_32NM:␊ |
| 1723 | ␉␉␉␉case CPUID_MODEL_NEHALEM: ␊ |
| 1724 | ␉␉␉␉case CPUID_MODEL_NEHALEM_EX:␊ |
| 1725 | ␉␉␉␉case CPUID_MODEL_WESTMERE:␊ |
| 1726 | ␉␉␉␉case CPUID_MODEL_WESTMERE_EX:␊ |
| 1727 | ␉␉␉␉case CPUID_MODEL_SANDYBRIDGE:␊ |
| 1728 | ␉␉␉␉case CPUID_MODEL_JAKETOWN:␊ |
| 1729 | ␉␉␉␉{␉␉␊ |
| 1730 | ␉␉␉␉␉␊ |
| 1731 | ␉␉␉␉␉cpu->core_c1_supported = ((Platform->CPU.sub_Cstates >> 4) & 0xf) ? 1 : 0;␊ |
| 1732 | ␉␉␉␉␉cpu->core_c3_supported = ((Platform->CPU.sub_Cstates >> 8) & 0xf) ? 1 : 0;␊ |
| 1733 | ␉␉␉␉␉cpu->core_c6_supported = ((Platform->CPU.sub_Cstates >> 12) & 0xf) ? 1 : 0;␊ |
| 1734 | ␉␉␉␉␉cpu->core_c7_supported = ((Platform->CPU.sub_Cstates >> 16) & 0xf) ? 1 : 0;␊ |
| 1735 | ␉␉␉␉␉cpu->core_c2_supported = 0;␊ |
| 1736 | ␉␉␉␉␉cpu->core_c4_supported = 0;␊ |
| 1737 | ␉␉␉␉␉␊ |
| 1738 | ␉␉␉␉␉GetMaxRatio(&cpu->max_ratio_as_mfg);␊ |
| 1739 | U64 platform_info = rdmsr64(MSR_PLATFORM_INFO); ␊ |
| 1740 | cpu->max_ratio_as_cfg = (U32) ((U32)platform_info >> 8) & 0xff; ␊ |
| 1741 | ␉␉␉␉␉cpu->min_ratio = (U32) ((platform_info >> 40) & 0xff);␊ |
| 1742 | ␉␉␉␉␉␊ |
| 1743 | ␉␉␉␉␉if (is_sandybridge() || is_jaketown())␊ |
| 1744 | ␉␉␉␉␉{␊ |
| 1745 | ␉␉␉␉␉␉cpu->package_power_limit = rdmsr64(MSR_PKG_RAPL_POWER_LIMIT);␊ |
| 1746 | ␉␉␉␉␉␉cpu->package_power_sku_unit = rdmsr64(MSR_RAPL_POWER_UNIT);␊ |
| 1747 | ␉␉␉␉␉}␊ |
| 1748 | ␉␉␉␉␉break;␊ |
| 1749 | ␉␉␉␉}␊ |
| 1750 | ␉␉␉␉default:␊ |
| 1751 | ␉␉␉␉␉verbose ("Unsupported CPU\n");␊ |
| 1752 | ␉␉␉␉␉return /*(0)*/;␊ |
| 1753 | ␉␉␉␉␉break;␊ |
| 1754 | ␉␉␉}␊ |
| 1755 | ␉␉}␊ |
| 1756 | ␉␉default:␉␉␉␊ |
| 1757 | ␉␉␉break;␊ |
| 1758 | ␉}␊ |
| 1759 | ␊ |
| 1760 | ␉cpu->mwait_supported = (Platform->CPU.extensions & (1UL << 0)) ? 1 : 0;␉␊ |
| 1761 | ␊ |
| 1762 | cpu->invariant_apic_timer_flag = Platform->CPU.invariant_APIC_timer;␊ |
| 1763 | ␊ |
| 1764 | #if DEBUG_ACPI␊ |
| 1765 | ␉printf("CPU INFO : \n");␊ |
| 1766 | #if BETA ␊ |
| 1767 | ␉printf("min_ratio : %d\n", cpu->min_ratio);␊ |
| 1768 | #endif␊ |
| 1769 | ␉printf("max_ratio_as_cfg : %d\n", cpu->max_ratio_as_cfg);␊ |
| 1770 | ␉printf("max_ratio_as_mfg : %d\n", cpu->max_ratio_as_mfg);␊ |
| 1771 | ␊ |
| 1772 | ␉printf("turbo_available : %d\n",cpu->turbo_available);␊ |
| 1773 | ␊ |
| 1774 | ␉printf("core_c1_supported : %d\n",cpu->core_c1_supported);␊ |
| 1775 | ␉printf("core_c2_supported : %d\n",cpu->core_c1_supported);␊ |
| 1776 | ␉printf("core_c3_supported : %d\n",cpu->core_c3_supported);␊ |
| 1777 | ␉printf("core_c6_supported : %d\n",cpu->core_c6_supported);␊ |
| 1778 | ␉printf("core_c7_supported : %d\n",cpu->core_c7_supported);␊ |
| 1779 | ␉printf("mwait_supported : %d\n",cpu->mwait_supported);␊ |
| 1780 | ␊ |
| 1781 | #if BUILD_ACPI_TSS || pstate_power_support␊ |
| 1782 | ␉if (is_sandybridge() || is_jaketown())␊ |
| 1783 | ␉{␊ |
| 1784 | ␊ |
| 1785 | ␉␉printf("package_power_limit : %d\n",cpu->package_power_limit);␊ |
| 1786 | ␉␉printf("package_power_sku_unit : %d\n",cpu->package_power_sku_unit); ␊ |
| 1787 | ␊ |
| 1788 | ␉}␊ |
| 1789 | #endif␊ |
| 1790 | ␉␊ |
| 1791 | ␉DBG("invariant_apic_timer_flag : %d\n",cpu->invariant_apic_timer_flag);␊ |
| 1792 | ␉␊ |
| 1793 | ␉ ␊ |
| 1794 | #endif␊ |
| 1795 | }␊ |
| 1796 | ␊ |
| 1797 | #if BETA␊ |
| 1798 | //-----------------------------------------------------------------------------␊ |
| 1799 | static U32 BuildPstateInfo(CPU_DETAILS * cpu)␊ |
| 1800 | {␊ |
| 1801 | ␉// Build P-state table info based on verified options␊ |
| 1802 | ␊ |
| 1803 | ␉// Compute the number of p-states based on the ratio range␊ |
| 1804 | ␉cpu->pkg_pstates.num_pstates = computeNumPstates(cpu->max_ratio_as_cfg, cpu->min_ratio, cpu->turbo_available, MAX_PSTATES);␊ |
| 1805 | ␉␊ |
| 1806 | ␉if (!cpu->pkg_pstates.num_pstates)␊ |
| 1807 | ␉{␊ |
| 1808 | ␉␉return (0);␊ |
| 1809 | ␉}␊ |
| 1810 | ␉␊ |
| 1811 | ␉// Compute pstate data␊ |
| 1812 | ␉{␊ |
| 1813 | ␉␉U32 TDP = compute_tdp(cpu);␊ |
| 1814 | ␉␉␊ |
| 1815 | ␉␉U32 index;␊ |
| 1816 | ␉␉for (index=0; index < cpu->pkg_pstates.num_pstates; index ++)␊ |
| 1817 | ␉␉{␊ |
| 1818 | ␉␉␉PSTATE * pstate = &cpu->pkg_pstates.pstate[index];␊ |
| 1819 | ␉␉␉␊ |
| 1820 | ␉␉␉// Set ratio␊ |
| 1821 | ␉␉␉pstate->ratio = computePstateRatio(cpu->max_ratio_as_cfg, cpu->min_ratio, cpu->turbo_available, cpu->pkg_pstates.num_pstates, index);␊ |
| 1822 | ␉␉␉␊ |
| 1823 | ␉␉␉// Compute frequency based on ratio␊ |
| 1824 | ␉␉␉if ((index != 0) || (cpu->turbo_available == 0))␊ |
| 1825 | ␉␉␉␉pstate->frequency = pstate->ratio * get_bclk();␊ |
| 1826 | ␉␉␉else␊ |
| 1827 | ␉␉␉␉pstate->frequency = ((pstate->ratio - 1) * get_bclk()) + 1;␊ |
| 1828 | ␉␉␉␊ |
| 1829 | ␉␉␉// Compute power based on ratio and other data␊ |
| 1830 | ␉␉␉if (pstate->ratio >= cpu->max_ratio_as_mfg)␊ |
| 1831 | ␉␉␉␉// Use max power in mW␊ |
| 1832 | ␉␉␉␉pstate->power = TDP * 1000;␊ |
| 1833 | ␉␉␉else␊ |
| 1834 | ␉␉␉{␊ |
| 1835 | ␉␉␉␉pstate->power = compute_pstate_power(cpu, pstate->ratio, TDP);␊ |
| 1836 | ␉␉␉␉␊ |
| 1837 | ␉␉␉␉// Convert to mW␊ |
| 1838 | ␉␉␉␉pstate->power*= 1000;␊ |
| 1839 | ␉␉␉}␊ |
| 1840 | ␉␉}␊ |
| 1841 | ␉}␉␉␊ |
| 1842 | ␊ |
| 1843 | ␉return (1);␊ |
| 1844 | }␊ |
| 1845 | #else␊ |
| 1846 | ␊ |
| 1847 | //-----------------------------------------------------------------------------␊ |
| 1848 | static U32 BuildCoreIPstateInfo(CPU_DETAILS * cpu)␊ |
| 1849 | {␊ |
| 1850 | ␉// Build P-state table info based on verified options␊ |
| 1851 | ␊ |
| 1852 | ␉// Compute the number of p-states based on the ratio range␊ |
| 1853 | ␉cpu->pkg_pstates.num_pstates = computeNumPstates(cpu->max_ratio_as_cfg, cpu->min_ratio, cpu->turbo_available, MAX_PSTATES);␊ |
| 1854 | ␉␊ |
| 1855 | ␉if (!cpu->pkg_pstates.num_pstates)␊ |
| 1856 | ␉{␊ |
| 1857 | ␉␉return (0);␊ |
| 1858 | ␉}␊ |
| 1859 | ␉␊ |
| 1860 | ␉// Compute pstate data␊ |
| 1861 | ␉{␊ |
| 1862 | #ifdef pstate_power_support␊ |
| 1863 | ␉␉U32 TDP = compute_tdp(cpu);␉␉␉␉␉␉␉␉␊ |
| 1864 | #endif␊ |
| 1865 | ␉␉␊ |
| 1866 | ␉␉U32 index;␊ |
| 1867 | ␉␉for (index=0; index < cpu->pkg_pstates.num_pstates; index ++)␊ |
| 1868 | ␉␉{␊ |
| 1869 | ␉␉␉PSTATE * pstate = &cpu->pkg_pstates.pstate[index];␊ |
| 1870 | ␉␉␉␊ |
| 1871 | ␉␉␉// Set ratio␊ |
| 1872 | ␉␉␉pstate->ratio = computePstateRatio(cpu->max_ratio_as_cfg, cpu->min_ratio, cpu->turbo_available, cpu->pkg_pstates.num_pstates, index);␊ |
| 1873 | ␉␉␉␊ |
| 1874 | ␉␉␉// Compute frequency based on ratio␊ |
| 1875 | ␉␉␉if ((index != 0) || (cpu->turbo_available == 0))␊ |
| 1876 | ␉␉␉␉pstate->frequency = pstate->ratio * get_bclk();␊ |
| 1877 | ␉␉␉else␊ |
| 1878 | ␉␉␉␉pstate->frequency = ((pstate->ratio - 1) * get_bclk()) + 1;␊ |
| 1879 | ␉␉␉␊ |
| 1880 | #ifdef pstate_power_support␊ |
| 1881 | ␉␉␉// Compute power based on ratio and other data␊ |
| 1882 | ␉␉␉if (pstate->ratio >= cpu->max_ratio_as_mfg)␊ |
| 1883 | ␉␉␉␉// Use max power in mW␊ |
| 1884 | ␉␉␉␉pstate->power = TDP * 1000;␊ |
| 1885 | ␉␉␉else␊ |
| 1886 | ␉␉␉{␊ |
| 1887 | ␉␉␉␉pstate->power = compute_pstate_power(cpu, pstate->ratio, TDP);␊ |
| 1888 | ␉␉␉␉␊ |
| 1889 | ␉␉␉␉// Convert to mW␊ |
| 1890 | ␉␉␉␉pstate->power*= 1000;␊ |
| 1891 | ␉␉␉}␊ |
| 1892 | #else␊ |
| 1893 | ␉␉␉pstate->power = 0;␊ |
| 1894 | #endif␉␊ |
| 1895 | ␉␉}␊ |
| 1896 | ␉}␉␉␊ |
| 1897 | ␊ |
| 1898 | ␉return (1);␊ |
| 1899 | }␊ |
| 1900 | ␊ |
| 1901 | //-----------------------------------------------------------------------------␊ |
| 1902 | static U32 BuildPstateInfo(CPU_DETAILS * cpu)␊ |
| 1903 | {␉␊ |
| 1904 | ␊ |
| 1905 | ␉struct p_state p_states[32];␊ |
| 1906 | ␉U8 p_states_count = 0;␉␉␊ |
| 1907 | ␉{␊ |
| 1908 | #if UNUSED␊ |
| 1909 | ␉␉struct p_state initial;␊ |
| 1910 | #endif␉␊ |
| 1911 | ␉␉struct p_state maximum, minimum;␊ |
| 1912 | ␉␉// Retrieving P-States, ported from code by superhai (c)␊ |
| 1913 | ␉␉switch (Platform->CPU.Family)␊ |
| 1914 | ␉␉{␊ |
| 1915 | ␉␉␉case 0x06: ␊ |
| 1916 | ␉␉␉{␊ |
| 1917 | ␉␉␉␉switch (Platform->CPU.Model) ␊ |
| 1918 | ␉␉␉␉{␊ |
| 1919 | ␉␉␉␉␉case CPUID_MODEL_DOTHAN: ␊ |
| 1920 | ␉␉␉␉␉case CPUID_MODEL_YONAH: // Yonah␊ |
| 1921 | ␉␉␉␉␉case CPUID_MODEL_MEROM: // Merom␊ |
| 1922 | ␉␉␉␉␉case CPUID_MODEL_PENRYN: // Penryn␊ |
| 1923 | ␉␉␉␉␉case CPUID_MODEL_ATOM: // Intel Atom (45nm)␊ |
| 1924 | ␉␉␉␉␉{␊ |
| 1925 | ␉␉␉␉␉␉bool cpu_dynamic_fsb = false;␊ |
| 1926 | ␉␉␉␉␉␉␊ |
| 1927 | ␉␉␉␉␉␉if (rdmsr64(MSR_IA32_EXT_CONFIG) & (1 << 27)) ␊ |
| 1928 | ␉␉␉␉␉␉{␊ |
| 1929 | ␉␉␉␉␉␉␉wrmsr64(MSR_IA32_EXT_CONFIG, (rdmsr64(MSR_IA32_EXT_CONFIG) | (1 << 28))); ␊ |
| 1930 | ␉␉␉␉␉␉␉delay(1);␊ |
| 1931 | ␉␉␉␉␉␉␉cpu_dynamic_fsb = rdmsr64(MSR_IA32_EXT_CONFIG) & (1 << 28);␊ |
| 1932 | ␉␉␉␉␉␉}␊ |
| 1933 | ␉␉␉␉␉␉␊ |
| 1934 | ␉␉␉␉␉␉bool cpu_noninteger_bus_ratio = (rdmsr64(MSR_IA32_PERF_STATUS) & (1ULL << 46));␊ |
| 1935 | #if UNUSED␊ |
| 1936 | ␉␉␉␉␉␉//initial.Control = rdmsr64(MSR_IA32_PERF_STATUS);␊ |
| 1937 | #endif␉␉␉␊ |
| 1938 | ␉␉␉␉␉␉maximum.Control = ((rdmsr64(MSR_IA32_PERF_STATUS) >> 32) & 0x1F3F) | (0x4000 * cpu_noninteger_bus_ratio);␊ |
| 1939 | ␉␉␉␉␉␉maximum.CID = ((maximum.FID & 0x1F) << 1) | cpu_noninteger_bus_ratio;␊ |
| 1940 | ␉␉␉␉␉␉␊ |
| 1941 | ␉␉␉␉␉␉minimum.FID = ((rdmsr64(MSR_IA32_PERF_STATUS) >> 24) & 0x1F) | (0x80 * cpu_dynamic_fsb);␊ |
| 1942 | ␉␉␉␉␉␉minimum.VID = ((rdmsr64(MSR_IA32_PERF_STATUS) >> 48) & 0x3F);␊ |
| 1943 | ␉␉␉␉␉␉␊ |
| 1944 | ␉␉␉␉␉␉if (minimum.FID == 0) ␊ |
| 1945 | ␉␉␉␉␉␉{␊ |
| 1946 | ␉␉␉␉␉␉␉U64 msr;␊ |
| 1947 | ␉␉␉␉␉␉␉U8 i;␊ |
| 1948 | ␉␉␉␉␉␉␉// Probe for lowest fid␊ |
| 1949 | ␉␉␉␉␉␉␉for (i = maximum.FID; i >= 0x6; i--) ␊ |
| 1950 | ␉␉␉␉␉␉␉{␊ |
| 1951 | ␉␉␉␉␉␉␉␉msr = rdmsr64(MSR_IA32_PERF_CONTROL);␊ |
| 1952 | ␉␉␉␉␉␉␉␉wrmsr64(MSR_IA32_PERF_CONTROL, (msr & 0xFFFFFFFFFFFF0000ULL) | (i << 8) | minimum.VID);␊ |
| 1953 | ␉␉␉␉␉␉␉␉intel_waitforsts();␊ |
| 1954 | ␉␉␉␉␉␉␉␉minimum.FID = (rdmsr64(MSR_IA32_PERF_STATUS) >> 8) & 0x1F; ␊ |
| 1955 | ␉␉␉␉␉␉␉␉delay(1);␊ |
| 1956 | ␉␉␉␉␉␉␉}␊ |
| 1957 | ␉␉␉␉␉␉␉␊ |
| 1958 | ␉␉␉␉␉␉␉msr = rdmsr64(MSR_IA32_PERF_CONTROL);␊ |
| 1959 | ␉␉␉␉␉␉␉wrmsr64(MSR_IA32_PERF_CONTROL, (msr & 0xFFFFFFFFFFFF0000ULL) | (maximum.FID << 8) | maximum.VID);␊ |
| 1960 | ␉␉␉␉␉␉␉intel_waitforsts();␊ |
| 1961 | ␉␉␉␉␉␉}␊ |
| 1962 | ␊ |
| 1963 | ␉␉␉␉␉␉if (minimum.VID == maximum.VID) ␊ |
| 1964 | ␉␉␉␉␉␉{␉␊ |
| 1965 | ␉␉␉␉␉␉␉U64 msr;␊ |
| 1966 | ␉␉␉␉␉␉␉U8 i;␊ |
| 1967 | ␉␉␉␉␉␉␉// Probe for lowest vid␊ |
| 1968 | ␉␉␉␉␉␉␉for (i = maximum.VID; i > 0xA; i--) ␊ |
| 1969 | ␉␉␉␉␉␉␉{␊ |
| 1970 | ␉␉␉␉␉␉␉␉msr = rdmsr64(MSR_IA32_PERF_CONTROL);␊ |
| 1971 | ␉␉␉␉␉␉␉␉wrmsr64(MSR_IA32_PERF_CONTROL, (msr & 0xFFFFFFFFFFFF0000ULL) | (minimum.FID << 8) | i);␊ |
| 1972 | ␉␉␉␉␉␉␉␉intel_waitforsts();␊ |
| 1973 | ␉␉␉␉␉␉␉␉minimum.VID = rdmsr64(MSR_IA32_PERF_STATUS) & 0x3F; ␊ |
| 1974 | ␉␉␉␉␉␉␉␉delay(1);␊ |
| 1975 | ␉␉␉␉␉␉␉}␊ |
| 1976 | ␉␉␉␉␉␉␉␊ |
| 1977 | ␉␉␉␉␉␉␉msr = rdmsr64(MSR_IA32_PERF_CONTROL);␊ |
| 1978 | ␉␉␉␉␉␉␉wrmsr64(MSR_IA32_PERF_CONTROL, (msr & 0xFFFFFFFFFFFF0000ULL) | (maximum.FID << 8) | maximum.VID);␊ |
| 1979 | ␉␉␉␉␉␉␉intel_waitforsts();␊ |
| 1980 | ␉␉␉␉␉␉}␊ |
| 1981 | ␊ |
| 1982 | ␉␉␉␉␉␉minimum.CID = ((minimum.FID & 0x1F) << 1) >> cpu_dynamic_fsb;␊ |
| 1983 | ␉␉␉␉␉␉␊ |
| 1984 | ␉␉␉␉␉␉// Sanity check␊ |
| 1985 | ␉␉␉␉␉␉if (maximum.CID < minimum.CID) ␊ |
| 1986 | ␉␉␉␉␉␉{␊ |
| 1987 | ␉␉␉␉␉␉␉DBG("Insane FID values!");␊ |
| 1988 | ␉␉␉␉␉␉␉p_states_count = 0;␊ |
| 1989 | ␉␉␉␉␉␉}␊ |
| 1990 | ␉␉␉␉␉␉else␊ |
| 1991 | ␉␉␉␉␉␉{␊ |
| 1992 | ␉␉␉␉␉␉␉// Finalize P-States␊ |
| 1993 | ␉␉␉␉␉␉␉// Find how many P-States machine supports␊ |
| 1994 | ␉␉␉␉␉␉␉p_states_count = maximum.CID - minimum.CID + 1;␊ |
| 1995 | ␉␉␉␉␉␉␉␊ |
| 1996 | ␉␉␉␉␉␉␉if (p_states_count > MAX_PSTATES) // was 32␊ |
| 1997 | ␉␉␉␉␉␉␉␉p_states_count = MAX_PSTATES; // was 32␊ |
| 1998 | ␉␉␉␉␉␉␉␊ |
| 1999 | ␉␉␉␉␉␉␉U8 vidstep;␊ |
| 2000 | ␉␉␉␉␉␉␉U8 i = 0, u, invalid = 0;␊ |
| 2001 | ␉␉␉␉␉␉␉␊ |
| 2002 | ␉␉␉␉␉␉␉vidstep = ((maximum.VID << 2) - (minimum.VID << 2)) / (p_states_count - 1);␊ |
| 2003 | ␉␉␉␉␉␉␉␊ |
| 2004 | ␉␉␉␉␉␉␉for (u = 0; u < p_states_count; u++) ␊ |
| 2005 | ␉␉␉␉␉␉␉{␊ |
| 2006 | ␉␉␉␉␉␉␉␉i = u - invalid;␊ |
| 2007 | ␉␉␉␉␉␉␉␉␊ |
| 2008 | ␉␉␉␉␉␉␉␉p_states[i].CID = maximum.CID - u;␊ |
| 2009 | ␉␉␉␉␉␉␉␉p_states[i].FID = (p_states[i].CID >> 1);␊ |
| 2010 | ␉␉␉␉␉␉␉␉␊ |
| 2011 | ␉␉␉␉␉␉␉␉if (p_states[i].FID < 0x6) ␊ |
| 2012 | ␉␉␉␉␉␉␉␉{␊ |
| 2013 | ␉␉␉␉␉␉␉␉␉if (cpu_dynamic_fsb) ␊ |
| 2014 | ␉␉␉␉␉␉␉␉␉␉p_states[i].FID = (p_states[i].FID << 1) | 0x80;␊ |
| 2015 | ␉␉␉␉␉␉␉␉} ␊ |
| 2016 | ␉␉␉␉␉␉␉␉else if (cpu_noninteger_bus_ratio) ␊ |
| 2017 | ␉␉␉␉␉␉␉␉{␊ |
| 2018 | ␉␉␉␉␉␉␉␉␉p_states[i].FID = p_states[i].FID | (0x40 * (p_states[i].CID & 0x1));␊ |
| 2019 | ␉␉␉␉␉␉␉␉}␊ |
| 2020 | ␉␉␉␉␉␉␉␉␊ |
| 2021 | ␉␉␉␉␉␉␉␉if (i && p_states[i].FID == p_states[i-1].FID)␊ |
| 2022 | ␉␉␉␉␉␉␉␉␉invalid++;␊ |
| 2023 | ␉␉␉␉␉␉␉␉␊ |
| 2024 | ␉␉␉␉␉␉␉␉p_states[i].VID = ((maximum.VID << 2) - (vidstep * u)) >> 2;␊ |
| 2025 | ␉␉␉␉␉␉␉␉␊ |
| 2026 | ␉␉␉␉␉␉␉␉U32 multiplier = p_states[i].FID & 0x1f;␉␉// = 0x08␊ |
| 2027 | ␉␉␉␉␉␉␉␉bool half = p_states[i].FID & 0x40;␉␉␉␉␉// = 0x01␊ |
| 2028 | ␉␉␉␉␉␉␉␉bool dfsb = p_states[i].FID & 0x80;␉␉␉␉␉// = 0x00␊ |
| 2029 | ␉␉␉␉␉␉␉␉U32 fsb = Platform->CPU.FSBFrequency / 1000000; // = 400␊ |
| 2030 | ␉␉␉␉␉␉␉␉U32 halffsb = (fsb + 1) >> 1;␉␉␉␉␉// = 200␊ |
| 2031 | ␉␉␉␉␉␉␉␉U32 frequency = (multiplier * fsb);␉␉␉// = 3200␊ |
| 2032 | ␉␉␉␉␉␉␉␉␊ |
| 2033 | ␉␉␉␉␉␉␉␉p_states[i].Frequency = (frequency + (half * halffsb)) >> dfsb;␉// = 3200 + 200 = 3400␊ |
| 2034 | ␉␉␉␉␉␉␉}␊ |
| 2035 | ␉␉␉␉␉␉␉␊ |
| 2036 | ␉␉␉␉␉␉␉p_states_count -= invalid;␊ |
| 2037 | ␉␉␉␉␉␉}␊ |
| 2038 | ␉␉␉␉␉␉break;␊ |
| 2039 | ␉␉␉␉␉} ␊ |
| 2040 | ␉␉␉␉␉case CPUID_MODEL_FIELDS:␊ |
| 2041 | ␉␉␉␉␉case CPUID_MODEL_DALES:␊ |
| 2042 | ␉␉␉␉␉case CPUID_MODEL_DALES_32NM:␊ |
| 2043 | ␉␉␉␉␉case CPUID_MODEL_NEHALEM: ␊ |
| 2044 | ␉␉␉␉␉case CPUID_MODEL_NEHALEM_EX:␊ |
| 2045 | ␉␉␉␉␉case CPUID_MODEL_WESTMERE:␊ |
| 2046 | ␉␉␉␉␉case CPUID_MODEL_WESTMERE_EX:␊ |
| 2047 | ␉␉␉␉␉case CPUID_MODEL_SANDYBRIDGE:␊ |
| 2048 | ␉␉␉␉␉case CPUID_MODEL_JAKETOWN:␊ |
| 2049 | ␉␉␉␉␉{␉␉␊ |
| 2050 | ␉␉␉␉␉␉/*␊ |
| 2051 | ␉␉␉␉␉␉ maximum.Control = rdmsr64(MSR_IA32_PERF_STATUS) & 0xff; // Seems it always contains maximum multiplier value (with turbo, that's we need)...␊ |
| 2052 | ␉␉␉␉␉␉ minimum.Control = (rdmsr64(MSR_PLATFORM_INFO) >> 40) & 0xff;␊ |
| 2053 | ␉␉␉␉␉␉ ␊ |
| 2054 | ␉␉␉␉␉␉ verbose("P-States: min 0x%x, max 0x%x\n", minimum.Control, maximum.Control);␊ |
| 2055 | ␉␉␉␉␉␉ ␊ |
| 2056 | ␉␉␉␉␉␉ // Sanity check␊ |
| 2057 | ␉␉␉␉␉␉ if (maximum.Control < minimum.Control) ␊ |
| 2058 | ␉␉␉␉␉␉ {␊ |
| 2059 | ␉␉␉␉␉␉ DBG("Insane control values!");␊ |
| 2060 | ␉␉␉␉␉␉ p_states_count = 0;␊ |
| 2061 | ␉␉␉␉␉␉ }␊ |
| 2062 | ␉␉␉␉␉␉ else␊ |
| 2063 | ␉␉␉␉␉␉ {␊ |
| 2064 | ␉␉␉␉␉␉ U8 i;␊ |
| 2065 | ␉␉␉␉␉␉ p_states_count = 0;␊ |
| 2066 | ␉␉␉␉␉␉ ␊ |
| 2067 | ␉␉␉␉␉␉ for (i = maximum.Control; i >= minimum.Control; i--) ␊ |
| 2068 | ␉␉␉␉␉␉ {␊ |
| 2069 | ␉␉␉␉␉␉ p_states[p_states_count].Control = i;␊ |
| 2070 | ␉␉␉␉␉␉ p_states[p_states_count].CID = p_states[p_states_count].Control << 1;␊ |
| 2071 | ␉␉␉␉␉␉ p_states[p_states_count].Frequency = (Platform->CPU.FSBFrequency / 1000000) * i;␊ |
| 2072 | ␉␉␉␉␉␉ p_states_count++;␊ |
| 2073 | ␉␉␉␉␉␉ if (p_states_count >= MAX_PSTATES) { // was 32␊ |
| 2074 | ␉␉␉␉␉␉ ␊ |
| 2075 | ␉␉␉␉␉␉ if (p_states_count > MAX_PSTATES) // was 32␊ |
| 2076 | ␉␉␉␉␉␉ p_states_count = MAX_PSTATES; // was 32␊ |
| 2077 | ␉␉␉␉␉␉ ␊ |
| 2078 | ␉␉␉␉␉␉ break;␊ |
| 2079 | ␉␉␉␉␉␉ }␊ |
| 2080 | ␉␉␉␉␉␉ }␊ |
| 2081 | ␉␉␉␉␉␉ }␊ |
| 2082 | ␉␉␉␉␉␉ */␊ |
| 2083 | ␉␉␉␉␉␉␊ |
| 2084 | ␉␉␉␉␉␉bool sta = BuildCoreIPstateInfo(cpu);␊ |
| 2085 | ␉␉␉␉␉␉if (sta) ␊ |
| 2086 | ␉␉␉␉␉␉{␊ |
| 2087 | ␉␉␉␉␉␉␉DBG("_PSS PGK generated successfully\n");␊ |
| 2088 | ␉␉␉␉␉␉␉return (1);␊ |
| 2089 | ␉␉␉␉␉␉␉␊ |
| 2090 | ␉␉␉␉␉␉}␊ |
| 2091 | ␉␉␉␉␉␉else␊ |
| 2092 | ␉␉␉␉␉␉{␊ |
| 2093 | ␉␉␉␉␉␉␉verbose("CoreI _PSS Generation failed !!\n");␊ |
| 2094 | ␉␉␉␉␉␉␉return (0);␊ |
| 2095 | ␉␉␉␉␉␉}␊ |
| 2096 | ␉␉␉␉␉␉␊ |
| 2097 | ␉␉␉␉␉␉break;␊ |
| 2098 | ␉␉␉␉␉}␊ |
| 2099 | ␉␉␉␉␉default:␊ |
| 2100 | ␉␉␉␉␉␉verbose ("Unsupported CPU: P-States will not be generated !!!\n");␊ |
| 2101 | ␉␉␉␉␉␉return (0);␊ |
| 2102 | ␉␉␉␉␉␉break;␊ |
| 2103 | ␉␉␉␉}␊ |
| 2104 | ␉␉␉}␊ |
| 2105 | ␉␉␉default:␉␉␉␉␊ |
| 2106 | ␉␉␉␉break;␊ |
| 2107 | ␉␉}␊ |
| 2108 | ␉}␊ |
| 2109 | ␉␊ |
| 2110 | ␉// Generating Pstate PKG␊ |
| 2111 | ␉if (p_states_count) ␊ |
| 2112 | ␉{␉␉␉␉␉␉␉␉␉␊ |
| 2113 | ␉␉U8 minPSratio = (p_states[p_states_count-1].Frequency / (Platform->CPU.FSBFrequency / 10000000 ));␊ |
| 2114 | ␉␉U8 maxPSratio = (p_states[0].Frequency / (Platform->CPU.FSBFrequency / 10000000 ));␊ |
| 2115 | ␉␉U8 cpu_ratio = 0;␊ |
| 2116 | ␉␉␊ |
| 2117 | ␉␉{␊ |
| 2118 | ␉␉␉U8 cpu_div = Platform->CPU.CurrDiv;␊ |
| 2119 | ␉␉␉␊ |
| 2120 | ␉␉␉if (cpu_div) ␉␉␉␉␉␉␉␉␊ |
| 2121 | ␉␉␉␉cpu_ratio = (Platform->CPU.CurrCoef * 10) + 5;␉␉␉␉␉␉␉␉␊ |
| 2122 | ␉␉␉else ␉␉␉␉␉␉␉␉␊ |
| 2123 | ␉␉␉␉cpu_ratio = Platform->CPU.CurrCoef * 10;␊ |
| 2124 | ␉␉}␊ |
| 2125 | ␉␉␊ |
| 2126 | ␉␉␊ |
| 2127 | ␉␉{␊ |
| 2128 | ␉␉␉int user_max_ratio = 0;␊ |
| 2129 | ␉␉␉getIntForKey(kMaxRatio, &user_max_ratio, &bootInfo->bootConfig);␊ |
| 2130 | ␉␉␉if (user_max_ratio >= minPSratio && maxPSratio >= user_max_ratio)␊ |
| 2131 | ␉␉␉{␉␉␉␉␉␉␉␉␉␊ |
| 2132 | ␉␉␉␉␊ |
| 2133 | ␉␉␉␉U8 maxcurrdiv = 0, maxcurrcoef = (int)(user_max_ratio / 10);␉␉␉␉␉␉␉␉␉␊ |
| 2134 | ␉␉␉␉␊ |
| 2135 | ␉␉␉␉U8 maxdiv = user_max_ratio - (maxcurrcoef * 10);␊ |
| 2136 | ␉␉␉␉if (maxdiv > 0)␊ |
| 2137 | ␉␉␉␉␉maxcurrdiv = 1;␊ |
| 2138 | ␉␉␉␉␊ |
| 2139 | ␉␉␉␉if (maxcurrdiv) ␉␉␉␉␉␉␉␉␉␊ |
| 2140 | ␉␉␉␉␉cpu_ratio = (maxcurrcoef * 10) + 5;␉␉␉␉␉␉␉␉␉␊ |
| 2141 | ␉␉␉␉else ␉␉␉␉␉␉␉␉␉␊ |
| 2142 | ␉␉␉␉␉cpu_ratio = maxcurrcoef * 10;␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␊ |
| 2143 | ␉␉␉}␊ |
| 2144 | ␉␉}␊ |
| 2145 | ␉␉␊ |
| 2146 | ␉␉{␊ |
| 2147 | ␉␉␉int user_min_ratio = 0;␊ |
| 2148 | ␉␉␉getIntForKey(kMinRatio, &user_min_ratio, &bootInfo->bootConfig);␊ |
| 2149 | ␉␉␉if (user_min_ratio >= minPSratio && cpu_ratio >= user_min_ratio)␊ |
| 2150 | ␉␉␉{␊ |
| 2151 | ␉␉␉␉␊ |
| 2152 | ␉␉␉␉U8 mincurrdiv = 0, mincurrcoef = (int)(user_min_ratio / 10);␉␉␉␉␉␉␉␉␉␊ |
| 2153 | ␉␉␉␉␊ |
| 2154 | ␉␉␉␉U8 mindiv = user_min_ratio - (mincurrcoef * 10);␊ |
| 2155 | ␉␉␉␉␊ |
| 2156 | ␉␉␉␉if (mindiv > 0)␊ |
| 2157 | ␉␉␉␉␉mincurrdiv = 1;␉␉␉␉␉␉␉␉␉␊ |
| 2158 | ␉␉␉␉␊ |
| 2159 | ␉␉␉␉if (mincurrdiv) ␉␉␉␉␉␉␉␉␉␊ |
| 2160 | ␉␉␉␉␉minPSratio = (mincurrcoef * 10) + 5;␉␉␉␉␉␉␉␉␉␊ |
| 2161 | ␉␉␉␉else ␉␉␉␉␉␉␉␉␉␊ |
| 2162 | ␉␉␉␉␉minPSratio = mincurrcoef * 10;␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␊ |
| 2163 | ␉␉␉␉␊ |
| 2164 | ␉␉␉}␊ |
| 2165 | ␉␉}␊ |
| 2166 | ␉␉␊ |
| 2167 | ␉␉␊ |
| 2168 | ␉␉if (maxPSratio >= cpu_ratio && cpu_ratio >= minPSratio)␉maxPSratio = cpu_ratio;␉␉␉␉␉␉␉␉␉␉␉␉␉␊ |
| 2169 | ␉␉␊ |
| 2170 | ␉␉{␊ |
| 2171 | ␉␉␉TagPtr personality = XMLCastDict(XMLGetProperty(bootInfo->bootConfig.dictionary, (const char*)"P-States"));␊ |
| 2172 | ␉␉␉int base = 16;␉␉␉␉␉␉␉␉␊ |
| 2173 | ␉␉␉U8 expert = 0; /* Default: 0 , mean mixed mode ␊ |
| 2174 | ␉␉␉␉␉␉ * expert mode : 1 , mean add only p-states found in boot.plist␊ |
| 2175 | ␉␉␉␉␉␉ */␊ |
| 2176 | ␉␉␉␊ |
| 2177 | ␉␉␉␊ |
| 2178 | ␉␉␉{␊ |
| 2179 | ␉␉␉␉if (personality)␊ |
| 2180 | ␉␉␉␉{␊ |
| 2181 | ␉␉␉␉␉char *tmpstr = XMLCastString(XMLGetProperty(personality, (const char*)"Mode"));␊ |
| 2182 | ␉␉␉␉␉␊ |
| 2183 | ␉␉␉␉␉if (strcmp(tmpstr,"Expert") == 0)␊ |
| 2184 | ␉␉␉␉␉{␊ |
| 2185 | ␉␉␉␉␉␉p_states_count = XMLTagCount(personality) - 1 ; // - 1 = - ("Mode" tag) ␉␉␉␉␉␉␉␉␉␉␊ |
| 2186 | ␉␉␉␉␉␉expert = 1;␊ |
| 2187 | ␉␉␉␉␉}␊ |
| 2188 | ␉␉␉␉␉␊ |
| 2189 | ␉␉␉␉␉␊ |
| 2190 | ␉␉␉␉␉if ((tmpstr = XMLCastString(XMLGetProperty(personality, (const char*)"Base"))))␊ |
| 2191 | ␉␉␉␉␉{␊ |
| 2192 | ␉␉␉␉␉␉␊ |
| 2193 | ␉␉␉␉␉␉if (expert) p_states_count--; // -= ("Base" tag) ␊ |
| 2194 | ␉␉␉␉␉␉␊ |
| 2195 | ␉␉␉␉␉␉int mybase = strtol(tmpstr, NULL, 10);␉␊ |
| 2196 | ␉␉␉␉␉␉␊ |
| 2197 | ␉␉␉␉␉␉if (mybase == 8 || mybase == 10 || mybase == 16 )␊ |
| 2198 | ␉␉␉␉␉␉␉base = mybase;␉␉␉␉␉␉␉␉␉␊ |
| 2199 | ␉␉␉␉␉}␊ |
| 2200 | ␉␉␉␉}␊ |
| 2201 | ␉␉␉␉␊ |
| 2202 | ␉␉␉}␊ |
| 2203 | ␉␉␉␊ |
| 2204 | ␉␉␉{␊ |
| 2205 | ␉␉␉␉U32 dropPSS = 0, Pstatus = 0;␊ |
| 2206 | ␉␉␉␉char MatchStat[5];␊ |
| 2207 | #ifdef pstate_power_support␊ |
| 2208 | ␉␉␉␉U32 TDP = compute_tdp(cpu);␉␉␉␉␉␉␉␉␊ |
| 2209 | #endif␊ |
| 2210 | ␉␉␉␉U32 i;␉␉␉␉␊ |
| 2211 | ␉␉␉␉for (i = 0; i < p_states_count; i++) ␊ |
| 2212 | ␉␉␉␉{␉␉␉␊ |
| 2213 | ␉␉␉␉␉char *Lat1 = NULL, *clk = NULL, *Pw = NULL, *Lat2 = NULL, *Ctrl = NULL ;␊ |
| 2214 | ␉␉␉␉␉␊ |
| 2215 | ␉␉␉␉␉if (personality)␊ |
| 2216 | ␉␉␉␉␉{␊ |
| 2217 | ␉␉␉␉␉␉sprintf(MatchStat, "%d",i);␊ |
| 2218 | ␉␉␉␉␉␉TagPtr match_Status = XMLGetProperty(personality, (const char*)MatchStat); ␉␉␉␉␉␉␉␉ ␊ |
| 2219 | ␉␉␉␉␉␉␊ |
| 2220 | ␉␉␉␉␉␉if (match_Status)␊ |
| 2221 | ␉␉␉␉␉␉{␉␉␉␉␉␉␉␉␉␉␉␉␊ |
| 2222 | ␉␉␉␉␉␉␉␊ |
| 2223 | ␉␉␉␉␉␉␉clk = XMLCastString(XMLGetProperty(match_Status, (const char*)"CoreFreq"));␊ |
| 2224 | ␉␉␉␉␉␉␉Pw = XMLCastString(XMLGetProperty(match_Status, (const char*)"Power"));␊ |
| 2225 | ␉␉␉␉␉␉␉Lat1 = XMLCastString(XMLGetProperty(match_Status, (const char*)"Transition Latency"));␊ |
| 2226 | ␉␉␉␉␉␉␉Lat2 = XMLCastString(XMLGetProperty(match_Status, (const char*)"Bus Master Latency"));␊ |
| 2227 | ␉␉␉␉␉␉␉Ctrl = XMLCastString(XMLGetProperty(match_Status, (const char*)"Control"));␊ |
| 2228 | ␉␉␉␉␉␉␉␊ |
| 2229 | ␉␉␉␉␉␉␉␊ |
| 2230 | ␉␉␉␉␉␉} else if (expert) ␊ |
| 2231 | ␉␉␉␉␉␉␉continue;␊ |
| 2232 | ␉␉␉␉␉}␊ |
| 2233 | ␉␉␉␉␉␉␉␉␉␉␊ |
| 2234 | ␉␉␉␉␉unsigned long Frequency = 0x00000000;␊ |
| 2235 | ␉␉␉␉␉␊ |
| 2236 | ␉␉␉␉␉if (!expert || !personality) Frequency = p_states[i].Frequency;␊ |
| 2237 | ␉␉␉␉␉␊ |
| 2238 | ␉␉␉␉␉if (clk) ␊ |
| 2239 | ␉␉␉␉␉␉Frequency = strtoul((const char *)clk, NULL,base);␊ |
| 2240 | ␉␉␉␉␉␊ |
| 2241 | ␉␉␉␉␉if (!Frequency || Frequency > p_states[0].Frequency ) continue;␊ |
| 2242 | ␉␉␉␉␉␊ |
| 2243 | ␉␉␉␉␉U8 curr_ratio = (Frequency / (Platform->CPU.FSBFrequency / 10000000 ));␊ |
| 2244 | ␊ |
| 2245 | ␊ |
| 2246 | {␊ |
| 2247 | ␉␉␉␉␉␉U8 fixed_ratio = (Frequency / (Platform->CPU.FSBFrequency / 1000000 ))*10;␊ |
| 2248 | ␉␉␉␉␉␉U8 diff = curr_ratio - fixed_ratio ;␊ |
| 2249 | ␉␉␉␉␉␉␊ |
| 2250 | ␉␉␉␉␉␉if (diff)␊ |
| 2251 | ␉␉␉␉␉␉{␊ |
| 2252 | ␉␉␉␉␉␉␉if (diff < 5)␊ |
| 2253 | ␉␉␉␉␉␉␉{␊ |
| 2254 | ␉␉␉␉␉␉␉␉curr_ratio = fixed_ratio;␊ |
| 2255 | ␉␉␉␉␉␉␉} ␊ |
| 2256 | ␉␉␉␉␉␉␉else␊ |
| 2257 | ␉␉␉␉␉␉␉{␊ |
| 2258 | ␉␉␉␉␉␉␉␉curr_ratio = fixed_ratio + 5;␊ |
| 2259 | ␉␉␉␉␉␉␉}␊ |
| 2260 | ␉␉␉␉␉␉}␉␉␉␉␉␉␊ |
| 2261 | ␊ |
| 2262 | ␉␉␉␉␉}␊ |
| 2263 | ␉␉␉␉␉␊ |
| 2264 | ␉␉␉␉␉if (curr_ratio > maxPSratio || minPSratio > curr_ratio)␊ |
| 2265 | ␉␉␉␉␉␉goto dropPstate;␊ |
| 2266 | ␉␉␉␉␉␉␊ |
| 2267 | ␉␉␉␉␉{␊ |
| 2268 | ␉␉␉␉␉␉PSTATE * pstate = &cpu->pkg_pstates.pstate[Pstatus];␊ |
| 2269 | ␉␉␉␉␉␉␊ |
| 2270 | ␉␉␉␉␉␉pstate->ratio = curr_ratio; ␊ |
| 2271 | ␉␉␉␉␉␉␊ |
| 2272 | ␉␉␉␉␉␉pstate->frequency = Frequency; // CoreFreq (in MHz).␉␊ |
| 2273 | ␉␉␉␉␉␉␊ |
| 2274 | ␉␉␉␉␉␉U32 power = 0x00000000;␊ |
| 2275 | #ifdef pstate_power_support␊ |
| 2276 | ␉␉␉␉␉␉// Compute power based on ratio and other data␊ |
| 2277 | ␉␉␉␉␉␉if (pstate->ratio >= cpu->max_ratio_as_mfg)␊ |
| 2278 | ␉␉␉␉␉␉␉// Use max power in mW␊ |
| 2279 | ␉␉␉␉␉␉␉power = TDP * 1000;␊ |
| 2280 | ␉␉␉␉␉␉else␊ |
| 2281 | ␉␉␉␉␉␉{␊ |
| 2282 | ␉␉␉␉␉␉␉power = compute_pstate_power(cpu, pstate->ratio, TDP);␊ |
| 2283 | ␉␉␉␉␉␉␉␊ |
| 2284 | ␉␉␉␉␉␉␉// Convert to mW␊ |
| 2285 | ␉␉␉␉␉␉␉power*= 1000;␊ |
| 2286 | ␉␉␉␉␉␉}␊ |
| 2287 | #endif␉␉␉␉␉␉␊ |
| 2288 | ␉␉␉␉␉␉pstate->power = resolve_pss(power, Pw, base); // Power (in milliWatts)␉␉␉␉␉␉␉␉␉␊ |
| 2289 | ␉␉␉␉␉␉pstate->translatency = resolve_pss(0x0000000A, Lat1, base); // Transition Latency (in microseconds).␉␉␉␉␉␉␉␉␉␊ |
| 2290 | ␉␉␉␉␉␉pstate->bmlatency = resolve_pss(0x0000000A, Lat2, base); // Bus Master Latency (in microseconds).␉␉␉␉␉␉␉␉␉␊ |
| 2291 | ␉␉␉␉␉␉␊ |
| 2292 | ␉␉␉␉␉␉{␊ |
| 2293 | ␉␉␉␉␉␉␉U32 Control = 0 /*encode_pstate(curr_ratio)*/ ;␊ |
| 2294 | ␉␉␉␉␉␉␉if (!expert || !personality) Control = p_states[i].Control;␉␉␉␉␉␉␉␉␉␊ |
| 2295 | ␉␉␉␉␉␉␉pstate->control = resolve_pss(Control, Ctrl, base); // Control␊ |
| 2296 | ␉␉␉␉␉␉}␉␉␉␉␉␉␉␉␉␉␉␉␉␉␊ |
| 2297 | ␉␉␉␉␉␉␊ |
| 2298 | ␉␉␉␉␉␉pstate->status = Pstatus+1; // Status␊ |
| 2299 | ␉␉␉␉␉␉␊ |
| 2300 | ␉␉␉␉␉␉DBG("state :: frequency :%d power: %d translatency: %d bmlatency: %d control: %d status: %d ratio :%d :: registred !! \n",pstate->frequency,pstate->power,␊ |
| 2301 | ␉␉␉␉␉␉␉␉␉␉␉pstate->translatency,pstate->bmlatency,pstate->control,pstate->status,pstate->ratio );␊ |
| 2302 | ␉␉␉␉␉}␊ |
| 2303 | ␉␉␉␉␉␊ |
| 2304 | ␉␉␉␉␉␊ |
| 2305 | ␉␉␉␉␉Pstatus++;␊ |
| 2306 | ␉␉␉␉␉continue;␉␉␉␉␉␉␉␉␉␉␉␉␉␉␉␊ |
| 2307 | ␊ |
| 2308 | ␉␉␉␉dropPstate:␉␉␉␉␉␊ |
| 2309 | ␉␉␉␉␉DBG("state with cpu frequency :%d and ratio :%d will be dropped\n",p_states[i].Frequency,curr_ratio);␉␉␉␉␉␊ |
| 2310 | ␉␉␉␉␉dropPSS++;␊ |
| 2311 | ␉␉␉␉␉␊ |
| 2312 | ␉␉␉␉␉␊ |
| 2313 | ␉␉␉␉}␊ |
| 2314 | ␉␉␉␉␊ |
| 2315 | ␉␉␉␉if (Pstatus == 0)␊ |
| 2316 | ␉␉␉␉{␊ |
| 2317 | ␉␉␉␉␉verbose("No suitable P-states found, P-States will not be generated !!!\n");␊ |
| 2318 | ␉␉␉␉␉return (0);␊ |
| 2319 | ␉␉␉␉}␊ |
| 2320 | ␉␉␉␉cpu->pkg_pstates.num_pstates = Pstatus;␊ |
| 2321 | ␉␉␉}␊ |
| 2322 | ␉␉}␉␉␉␊ |
| 2323 | ␉}␉␊ |
| 2324 | ␉else ␊ |
| 2325 | ␉{␊ |
| 2326 | ␉␉verbose("ACPI CPUs not found: P-States will not be generated !!!\n");␊ |
| 2327 | ␉␉return (0);␊ |
| 2328 | ␉}␊ |
| 2329 | ␉␊ |
| 2330 | ␉DBG("_PSS PGK generated successfully\n");␊ |
| 2331 | ␉return (1);␊ |
| 2332 | }␊ |
| 2333 | #endif␊ |
| 2334 | ␊ |
| 2335 | //-----------------------------------------------------------------------------␊ |
| 2336 | static U32 BuildCstateInfo(CPU_DETAILS * cpu, U32 pmbase)␊ |
| 2337 | {␊ |
| 2338 | ␉{␊ |
| 2339 | ␉␉TagPtr personality = XMLCastDict(XMLGetProperty(bootInfo->bootConfig.dictionary, (const char*)"C-States"));␊ |
| 2340 | ␉␉␊ |
| 2341 | ␉␉if (personality)␊ |
| 2342 | ␉␉{␊ |
| 2343 | ␉␉␉int base = 16;␉␊ |
| 2344 | ␉␉␉␊ |
| 2345 | ␉␉␉U32 entry_count = XMLTagCount(personality);␊ |
| 2346 | ␉␉␉char *tmpstr =NULL;␊ |
| 2347 | ␉␉␉␊ |
| 2348 | ␉␉␉if ((tmpstr = XMLCastString(XMLGetProperty(personality, (const char*)"Base"))))␊ |
| 2349 | ␉␉␉{␊ |
| 2350 | ␉␉␉␉␊ |
| 2351 | ␉␉␉␉entry_count--; // -= ("Base" tag) ␊ |
| 2352 | ␉␉␉␉␊ |
| 2353 | ␉␉␉␉int mybase = strtol(tmpstr, NULL, 10);␉␊ |
| 2354 | ␉␉␉␉␊ |
| 2355 | ␉␉␉␉if (mybase == 8 || mybase == 10 || mybase == 16 )␊ |
| 2356 | ␉␉␉␉␉base = mybase;␉␉␉␉␉␉␉␉␉␊ |
| 2357 | ␉␉␉}␊ |
| 2358 | ␉␉␉␊ |
| 2359 | ␉␉␉if (entry_count)␊ |
| 2360 | ␉␉␉{␉␉␉␉␊ |
| 2361 | ␉␉␉␉␊ |
| 2362 | ␉␉␉␉cpu->pkg_io_cstates.num_cstates = 0;␊ |
| 2363 | ␉␉␉␉cpu->pkg_mwait_cstates.num_cstates = 0;␊ |
| 2364 | ␉␉␉␉U32 num_cstates = 0;␊ |
| 2365 | ␉␉␉␉␊ |
| 2366 | ␉␉␉␉{␊ |
| 2367 | ␉␉␉␉␉U32 i;␊ |
| 2368 | ␉␉␉␉␉char MatchStat[5];␉␉␉␉␉␊ |
| 2369 | ␉␉␉␉␉␊ |
| 2370 | ␉␉␉␉␉for (i = 0; i < 32 ; i++)␊ |
| 2371 | ␉␉␉␉␉{␊ |
| 2372 | ␉␉␉␉␉␉char *Lat = NULL, *Pw = NULL, *BWidth= NULL, *BOffset= NULL, *Address= NULL, *AccessSize= NULL, *index= NULL;␊ |
| 2373 | ␉␉␉␉␉␉␊ |
| 2374 | ␉␉␉␉␉␉sprintf(MatchStat, "C%d",i);␊ |
| 2375 | ␉␉␉␉␉␉TagPtr match_Status = XMLGetProperty(personality, (const char*)MatchStat);␊ |
| 2376 | ␉␉␉␉␉␉if (match_Status)␊ |
| 2377 | ␉␉␉␉␉␉{␉␊ |
| 2378 | ␉␉␉␉␉␉␉Pw = XMLCastString(XMLGetProperty(match_Status, (const char*)"Power"));␊ |
| 2379 | ␉␉␉␉␉␉␉Lat = XMLCastString(XMLGetProperty(match_Status, (const char*)"Latency"));␊ |
| 2380 | ␉␉␉␉␉␉␉BWidth= XMLCastString(XMLGetProperty(match_Status, (const char*)"BitWidth"));␊ |
| 2381 | ␉␉␉␉␉␉␉␊ |
| 2382 | ␉␉␉␉␉␉␉BOffset = XMLCastString(XMLGetProperty(match_Status, (const char*)"BitOffset"));␊ |
| 2383 | ␉␉␉␉␉␉␉Address = XMLCastString(XMLGetProperty(match_Status, (const char*)"Latency"));␊ |
| 2384 | ␉␉␉␉␉␉␉AccessSize = XMLCastString(XMLGetProperty(match_Status, (const char*)"AccessSize"));␊ |
| 2385 | ␉␉␉␉␉␉␉index = XMLCastString(XMLGetProperty(match_Status, (const char*)"index"));␊ |
| 2386 | ␉␉␉␉␉␉␉␊ |
| 2387 | ␉␉␉␉␉␉␉if (Pw && Lat && BWidth && BOffset && Address && AccessSize && index)␊ |
| 2388 | ␉␉␉␉␉␉␉{␊ |
| 2389 | ␉␉␉␉␉␉␉␉U32 bw␉␉= strtoul((const char *)BWidth, NULL,base);␊ |
| 2390 | ␉␉␉␉␉␉␉␉U32 boff␉= strtoul((const char *)BOffset, NULL,base);␊ |
| 2391 | ␉␉␉␉␉␉␉␉U32 acs␉␉= strtoul((const char *)AccessSize, NULL,base);␊ |
| 2392 | ␉␉␉␉␉␉␉␉U32 addr␉= strtoul((const char *)Address, NULL,base);␊ |
| 2393 | ␉␉␉␉␉␉␉␉U32 idx␉␉= strtoul((const char *)index, NULL,base);␊ |
| 2394 | ␉␉␉␉␉␉␉␉U32 lat␉␉= strtoul((const char *)Lat, NULL,base);␊ |
| 2395 | ␉␉␉␉␉␉␉␉U32 pw␉␉= strtoul((const char *)Pw, NULL,base);␊ |
| 2396 | ␉␉␉␉␉␉␉␉␊ |
| 2397 | ␉␉␉␉␉␉␉␉ACPI_GENERIC_ADDRESS mwait_gas = {GAS_TYPE_FFH,bw,boff,acs,addr}; ␊ |
| 2398 | ␉␉␉␉␉␉␉␉ACPI_GENERIC_ADDRESS io_gas = {(i == 1) ? GAS_TYPE_FFH : GAS_TYPE_SYSTEM_IO,bw,boff,acs,addr}; ␊ |
| 2399 | ␉␉␉␉␉␉␉␉␊ |
| 2400 | ␉␉␉␉␉␉␉␉CSTATE mwait_cstate = {idx,lat,pw};␊ |
| 2401 | ␉␉␉␉␉␉␉␉CSTATE io_cstate = {idx,lat,pw};␊ |
| 2402 | ␉␉␉␉␉␉␉␉␊ |
| 2403 | ␉␉␉␉␉␉␉␉{␊ |
| 2404 | ␉␉␉␉␉␉␉␉␉cpu->pkg_mwait_cstates.cstate[cpu->pkg_mwait_cstates.num_cstates] = mwait_cstate;␊ |
| 2405 | ␉␉␉␉␉␉␉␉␉cpu->pkg_mwait_cstates.gas[cpu->pkg_mwait_cstates.num_cstates] = mwait_gas;␊ |
| 2406 | ␉␉␉␉␉␉␉␉␉cpu->pkg_mwait_cstates.num_cstates++;␊ |
| 2407 | ␉␉␉␉␉␉␉␉}␊ |
| 2408 | ␉␉␉␉␉␉␉␉␊ |
| 2409 | ␉␉␉␉␉␉␉␉{␊ |
| 2410 | ␉␉␉␉␉␉␉␉␉cpu->pkg_io_cstates.cstate[cpu->pkg_io_cstates.num_cstates] = io_cstate;␊ |
| 2411 | ␉␉␉␉␉␉␉␉␉cpu->pkg_io_cstates.gas[cpu->pkg_io_cstates.num_cstates] = io_gas;␊ |
| 2412 | ␉␉␉␉␉␉␉␉␉cpu->pkg_io_cstates.num_cstates++;␊ |
| 2413 | ␉␉␉␉␉␉␉␉}␊ |
| 2414 | ␉␉␉␉␉␉␉␉num_cstates++;␉␉␉␉␉␉␉␉␊ |
| 2415 | ␉␉␉␉␉␉␉␉␊ |
| 2416 | ␉␉␉␉␉␉␉␉if (num_cstates >= MAX_CSTATES)␊ |
| 2417 | ␉␉␉␉␉␉␉␉{␊ |
| 2418 | ␉␉␉␉␉␉␉␉␉break;␊ |
| 2419 | ␉␉␉␉␉␉␉␉}␊ |
| 2420 | ␉␉␉␉␉␉␉}␊ |
| 2421 | ␉␉␉␉␉␉} ␊ |
| 2422 | ␉␉␉␉␉}␊ |
| 2423 | ␉␉␉␉}␊ |
| 2424 | ␉␉␉␉␊ |
| 2425 | ␉␉␉␉if (num_cstates)␊ |
| 2426 | ␉␉␉␉{␊ |
| 2427 | ␉␉␉␉␉return (1);␊ |
| 2428 | ␉␉␉␉}␉␉␉␉␊ |
| 2429 | ␉␉␉}␊ |
| 2430 | ␉␉}␉␊ |
| 2431 | ␉}␊ |
| 2432 | ␊ |
| 2433 | ␉{␊ |
| 2434 | ␉␉static const ACPI_GENERIC_ADDRESS mwait_gas[] = {␊ |
| 2435 | ␉␉␉{GAS_TYPE_FFH,1,2,1,0x00}, // processor C1␊ |
| 2436 | ␉␉␉{GAS_TYPE_FFH,1,2,1,0x10}, // processor C3 as ACPI C2␊ |
| 2437 | ␉␉␉{GAS_TYPE_FFH,1,2,1,0x10}, // processor C3 as ACPI C3␊ |
| 2438 | ␉␉␉{GAS_TYPE_FFH,1,2,1,0x10}, // processor C3 as ACPI C4␊ |
| 2439 | ␉␉␉{GAS_TYPE_FFH,1,2,1,0x20}, // processor C6␊ |
| 2440 | ␉␉␉{GAS_TYPE_FFH,1,2,1,0x30}, // processor C7␊ |
| 2441 | ␉␉};␊ |
| 2442 | ␉␉␊ |
| 2443 | ␉␉static const ACPI_GENERIC_ADDRESS io_gas[] = {␊ |
| 2444 | ␉␉␉{GAS_TYPE_FFH, 0,0,0,0x00}, // processor C1␊ |
| 2445 | ␉␉␉{GAS_TYPE_SYSTEM_IO,8,0,0,0x14}, // processor C3 as ACPI C2 or processor C2␊ |
| 2446 | ␉␉␉{GAS_TYPE_SYSTEM_IO,8,0,0,0x14}, // processor C3 as ACPI C3␊ |
| 2447 | ␉␉␉{GAS_TYPE_SYSTEM_IO,8,0,0,0x15}, // processor C4 as ACPI C4␊ |
| 2448 | ␉␉␉{GAS_TYPE_SYSTEM_IO,8,0,0,0x15}, // processor C6␊ |
| 2449 | ␉␉␉{GAS_TYPE_SYSTEM_IO,8,0,0,0x16}, // processor C7␊ |
| 2450 | ␉␉};␊ |
| 2451 | ␉␉␊ |
| 2452 | ␉␉static const CSTATE mwait_cstate [] = {␊ |
| 2453 | ␉␉␉{1,0x01,0x3e8}, // processor C1␊ |
| 2454 | ␉␉␉{2,0x40,0x1f4}, // processor C3 as ACPI C2 or processor C2␊ |
| 2455 | ␉␉␉{3,0x40,0x1f4}, // processor C3 as ACPI C3␊ |
| 2456 | ␉␉␉{4,0x40,0x1f4}, // processor C4 ␊ |
| 2457 | ␉␉␉{6/*was 3*/,0x60,0x15e}, // processor C6␊ |
| 2458 | ␉␉␉{7/*was 3*/,0x60,0x0c8}, // processor C7␊ |
| 2459 | ␉␉};␊ |
| 2460 | ␉␉␊ |
| 2461 | ␉␉static const CSTATE io_cstate [] = {␊ |
| 2462 | ␉␉␉{1,0x01,0x3e8}, // processor C1␊ |
| 2463 | ␉␉␉{2,0x40,0x1f4}, // processor C3 as ACPI C2 or processor C2␊ |
| 2464 | ␉␉␉{3,0x40,0x1f4}, // processor C3 as ACPI C3␊ |
| 2465 | ␉␉␉{4,0x40,0x1f4}, // processor C4 ␊ |
| 2466 | ␉␉␉{6/*was 3*/,0x60,0x15e}, // processor C6␊ |
| 2467 | ␉␉␉{7/*was 3*/,0x60,0x0c8}, // processor C7␊ |
| 2468 | ␉␉};␊ |
| 2469 | ␉␉␊ |
| 2470 | ␉␉static const U32 cstate_2_index [] = {0,0,0,1,2,3,4,5};␊ |
| 2471 | ␉␉␊ |
| 2472 | ␉␉// Build C-state table info based on verified options␊ |
| 2473 | ␉␉␊ |
| 2474 | ␉␉// Desired state for the processor core C3 state included in the _CST as an␊ |
| 2475 | ␉␉// ACPI C2 state.␊ |
| 2476 | ␉␉// 1= processor core C3 can be used as an ACPI C2 state␊ |
| 2477 | ␉␉// 0= processor core C3 cannot be used as an ACPI C2 state␊ |
| 2478 | ␉␉int c2_enabled = 0;␊ |
| 2479 | ␉␉␊ |
| 2480 | ␉␉// Desired state for the processor core C3 state included in the _CST␊ |
| 2481 | ␉␉// 0= processor core C3 cannot be used as an ACPI C state␊ |
| 2482 | ␉␉// 2= processor core C3 can be used as an ACPI C2 state␊ |
| 2483 | ␉␉// 3= processor core C3 can be used as an ACPI C3 state␊ |
| 2484 | ␉␉// 4= processor core C3 can be used as an ACPI C2 state␊ |
| 2485 | ␉␉// if Invariant APIC Timer detected, else not used as ACPI C state␊ |
| 2486 | ␉␉// 5= processor core C3 can be used as an ACPI C2 state␊ |
| 2487 | ␉␉// if Invariant APIC Timer detected, else APIC C3 state␊ |
| 2488 | ␉␉// 6= processor core C3 can be used as an ACPI C4 state␊ |
| 2489 | ␉␉int c3_enabled = 3;␊ |
| 2490 | ␉␉␊ |
| 2491 | ␉␉// Desired state for the processor core C3 state included in the _CST as an␊ |
| 2492 | ␉␉// ACPI C4 state.␊ |
| 2493 | ␉␉// 1= processor core C3 can be used as an ACPI C4 state␊ |
| 2494 | ␉␉// 0= processor core C3 cannot be used as an ACPI C4 state␊ |
| 2495 | ␉␉int c4_enabled = 0;␊ |
| 2496 | ␉␉␊ |
| 2497 | ␉␉// Desired state for the processor core C6 state included in the _CST as an␊ |
| 2498 | ␉␉// ACPI C3 state.␊ |
| 2499 | ␉␉// 1= processor core C6 can be used as an ACPI C3 state␊ |
| 2500 | ␉␉// 0= processor core C6 cannot be used as an ACPI C3 state␊ |
| 2501 | ␉␉int c6_enabled = 0;␊ |
| 2502 | ␉␉␊ |
| 2503 | ␉␉// Desired state for the processor core C7 state included in the _CST as an␊ |
| 2504 | ␉␉// ACPI C3 state.␊ |
| 2505 | ␉␉// 1= processor core C7 can be used as an ACPI C7 state␊ |
| 2506 | ␉␉// 0= processor core C7 cannot be used as an ACPI C7 state␊ |
| 2507 | ␉␉int c7_enabled = 0;␊ |
| 2508 | ␉␉␊ |
| 2509 | ␉␉{␉␉␊ |
| 2510 | ␉␉␉bool tmpval;␊ |
| 2511 | ␉␉␉␊ |
| 2512 | ␉␉␉␊ |
| 2513 | ␉␉␉if (getBoolForKey(kEnableC2State, &tmpval, &bootInfo->bootConfig))␊ |
| 2514 | ␉␉␉{␊ |
| 2515 | ␉␉␉␉c2_enabled = tmpval;␊ |
| 2516 | ␉␉␉}␊ |
| 2517 | ␉␉␉␉␊ |
| 2518 | ␉␉␉if (!getIntForKey("C3StateOption", &c3_enabled, &bootInfo->bootConfig))␊ |
| 2519 | ␉␉␉{␊ |
| 2520 | ␉␉␉␉c3_enabled = (getBoolForKey(kEnableC3State, &tmpval, &bootInfo->bootConfig)&&tmpval) ? 3 : 0;␊ |
| 2521 | ␉␉␉}␉␉␊ |
| 2522 | ␉␉␉if (c3_enabled == 6)␊ |
| 2523 | ␉␉␉{␊ |
| 2524 | ␉␉␉␉c4_enabled = 1;␊ |
| 2525 | ␉␉␉}␊ |
| 2526 | ␉␉␉else ␊ |
| 2527 | ␉␉␉{␊ |
| 2528 | ␉␉␉␉c4_enabled = (getBoolForKey(kEnableC4State, &tmpval, &bootInfo->bootConfig)&&tmpval) ? 1 : 0;␊ |
| 2529 | ␉␉␉}␊ |
| 2530 | ␉␉␉c6_enabled = (getBoolForKey(kEnableC6State, &tmpval, &bootInfo->bootConfig)&&tmpval) ? 1 : 0;␊ |
| 2531 | ␉␉␉c7_enabled = (getBoolForKey(kEnableC7State, &tmpval, &bootInfo->bootConfig)&&tmpval) ? 1 : 0;␉␉␊ |
| 2532 | ␉␉}␊ |
| 2533 | ␉␉␊ |
| 2534 | ␉␉cpu->pkg_mwait_cstates.num_cstates = 0;␊ |
| 2535 | ␉␉{␊ |
| 2536 | ␉␉␉{␊ |
| 2537 | ␉␉␉␉cpu->pkg_mwait_cstates.cstate[cpu->pkg_mwait_cstates.num_cstates] = mwait_cstate[cstate_2_index[CPU_C1]];␊ |
| 2538 | ␉␉␉␉cpu->pkg_mwait_cstates.gas[cpu->pkg_mwait_cstates.num_cstates] = mwait_gas[cstate_2_index[CPU_C1]];␊ |
| 2539 | ␉␉␉␉cpu->pkg_mwait_cstates.num_cstates++;␊ |
| 2540 | ␉␉␉}␊ |
| 2541 | ␉␉␉if (((cpu->core_c3_supported || cpu->core_c2_supported) && (c2_enabled)) && ((c3_enabled == 2) ||␊ |
| 2542 | ␉␉␉␉␉␉␉␉␉␉ ((c3_enabled == 4) && cpu->invariant_apic_timer_flag)))␊ |
| 2543 | ␉␉␉{␊ |
| 2544 | ␉␉␉␉cpu->pkg_mwait_cstates.cstate[cpu->pkg_mwait_cstates.num_cstates] = mwait_cstate[cstate_2_index[CPU_C3_ACPI_C2]];␊ |
| 2545 | ␉␉␉␉cpu->pkg_mwait_cstates.gas[cpu->pkg_mwait_cstates.num_cstates] = mwait_gas[cstate_2_index[CPU_C3_ACPI_C2]];␊ |
| 2546 | ␉␉␉␉cpu->pkg_mwait_cstates.num_cstates++;␊ |
| 2547 | ␉␉␉}␊ |
| 2548 | ␉␉␉if (cpu->core_c4_supported && c4_enabled)␊ |
| 2549 | ␉␉␉{␊ |
| 2550 | ␉␉␉␉␊ |
| 2551 | ␉␉␉␉cpu->pkg_mwait_cstates.cstate[cpu->pkg_mwait_cstates.num_cstates] = mwait_cstate[cstate_2_index[CPU_C4]];␊ |
| 2552 | ␉␉␉␉cpu->pkg_mwait_cstates.gas[cpu->pkg_mwait_cstates.num_cstates] = mwait_gas[cstate_2_index[CPU_C4]];␊ |
| 2553 | ␉␉␉␉cpu->pkg_mwait_cstates.num_cstates++;␊ |
| 2554 | ␉␉␉␉␊ |
| 2555 | ␉␉␉}␊ |
| 2556 | ␉␉␉else␊ |
| 2557 | ␉␉␉{␊ |
| 2558 | ␉␉␉␉␊ |
| 2559 | ␉␉␉␉if (cpu->core_c3_supported && ((c3_enabled == 3) ||␊ |
| 2560 | ␉␉␉␉␉␉␉␉␉␉␉ ((c3_enabled == 4) && !cpu->invariant_apic_timer_flag)))␊ |
| 2561 | ␉␉␉␉{␊ |
| 2562 | ␉␉␉␉␉cpu->pkg_mwait_cstates.cstate[cpu->pkg_mwait_cstates.num_cstates] = mwait_cstate[cstate_2_index[CPU_C3_ACPI_C3]];␊ |
| 2563 | ␉␉␉␉␉cpu->pkg_mwait_cstates.gas[cpu->pkg_mwait_cstates.num_cstates] = mwait_gas[cstate_2_index[CPU_C3_ACPI_C3]];␊ |
| 2564 | ␉␉␉␉␉cpu->pkg_mwait_cstates.num_cstates++;␊ |
| 2565 | ␉␉␉␉}␊ |
| 2566 | ␉␉␉}␊ |
| 2567 | ␉␉␉␊ |
| 2568 | ␉␉␉␊ |
| 2569 | ␉␉␉if (cpu->core_c6_supported && c6_enabled)␊ |
| 2570 | ␉␉␉{␊ |
| 2571 | ␉␉␉␉cpu->pkg_mwait_cstates.cstate[cpu->pkg_mwait_cstates.num_cstates] = mwait_cstate[cstate_2_index[CPU_C6]];␊ |
| 2572 | ␉␉␉␉cpu->pkg_mwait_cstates.gas[cpu->pkg_mwait_cstates.num_cstates] = mwait_gas[cstate_2_index[CPU_C6]];␊ |
| 2573 | ␉␉␉␉cpu->pkg_mwait_cstates.num_cstates++;␊ |
| 2574 | ␉␉␉}␊ |
| 2575 | ␉␉␉if (cpu->core_c7_supported && c7_enabled)␊ |
| 2576 | ␉␉␉{␊ |
| 2577 | ␉␉␉␉cpu->pkg_mwait_cstates.cstate[cpu->pkg_mwait_cstates.num_cstates] = mwait_cstate[cstate_2_index[CPU_C7]];␊ |
| 2578 | ␉␉␉␉cpu->pkg_mwait_cstates.gas[cpu->pkg_mwait_cstates.num_cstates] = mwait_gas[cstate_2_index[CPU_C7]];␊ |
| 2579 | ␉␉␉␉cpu->pkg_mwait_cstates.num_cstates++;␊ |
| 2580 | ␉␉␉}␊ |
| 2581 | ␉␉}␊ |
| 2582 | ␉␉␊ |
| 2583 | ␉␉cpu->pkg_io_cstates.num_cstates = 0;␊ |
| 2584 | ␉␉{␊ |
| 2585 | ␉␉␉{␊ |
| 2586 | ␉␉␉␉cpu->pkg_io_cstates.cstate[cpu->pkg_io_cstates.num_cstates] = io_cstate[cstate_2_index[CPU_C1]];␊ |
| 2587 | ␉␉␉␉cpu->pkg_io_cstates.gas[cpu->pkg_io_cstates.num_cstates] = io_gas[cstate_2_index[CPU_C1]];␊ |
| 2588 | ␉␉␉␉cpu->pkg_io_cstates.num_cstates++;␊ |
| 2589 | ␉␉␉}␊ |
| 2590 | ␉␉␉if ((cpu->core_c3_supported || cpu->core_c2_supported) && (c2_enabled || (c3_enabled == 2) ||␊ |
| 2591 | ␉␉␉␉␉␉␉␉␉␉ ((c3_enabled == 4) && cpu->invariant_apic_timer_flag)))␊ |
| 2592 | ␉␉␉{␊ |
| 2593 | ␉␉␉␉cpu->pkg_io_cstates.cstate[cpu->pkg_io_cstates.num_cstates] = io_cstate[cstate_2_index[CPU_C3_ACPI_C2]];␊ |
| 2594 | ␉␉␉␉cpu->pkg_io_cstates.gas[cpu->pkg_io_cstates.num_cstates] = io_gas[cstate_2_index[CPU_C3_ACPI_C2]];␊ |
| 2595 | ␉␉␉␉cpu->pkg_io_cstates.gas[cpu->pkg_io_cstates.num_cstates].Address += pmbase;␊ |
| 2596 | ␉␉␉␉cpu->pkg_io_cstates.num_cstates++;␊ |
| 2597 | ␉␉␉}␊ |
| 2598 | ␉␉␉if (cpu->core_c4_supported && c4_enabled)␊ |
| 2599 | ␉␉␉{␊ |
| 2600 | ␉␉␉␉␊ |
| 2601 | ␉␉␉␉cpu->pkg_io_cstates.cstate[cpu->pkg_io_cstates.num_cstates] = io_cstate[cstate_2_index[CPU_C4]];␊ |
| 2602 | ␉␉␉␉cpu->pkg_io_cstates.gas[cpu->pkg_io_cstates.num_cstates] = io_gas[cstate_2_index[CPU_C4]];␊ |
| 2603 | ␉␉␉␉cpu->pkg_io_cstates.gas[cpu->pkg_io_cstates.num_cstates].Address += pmbase;␊ |
| 2604 | ␉␉␉␉cpu->pkg_io_cstates.num_cstates++;␉␊ |
| 2605 | ␉␉␉␉␊ |
| 2606 | ␉␉␉}␊ |
| 2607 | ␉␉␉else ␊ |
| 2608 | ␉␉␉{␊ |
| 2609 | ␉␉␉␉␊ |
| 2610 | ␉␉␉␉if (cpu->core_c3_supported && ((c3_enabled == 3) ||␊ |
| 2611 | ␉␉␉␉␉␉␉␉␉␉␉ ((c3_enabled == 4) && !cpu->invariant_apic_timer_flag)))␊ |
| 2612 | ␉␉␉␉{␊ |
| 2613 | ␉␉␉␉␉cpu->pkg_io_cstates.cstate[cpu->pkg_io_cstates.num_cstates] = io_cstate[cstate_2_index[CPU_C3_ACPI_C3]];␊ |
| 2614 | ␉␉␉␉␉cpu->pkg_io_cstates.gas[cpu->pkg_io_cstates.num_cstates] = io_gas[cstate_2_index[CPU_C3_ACPI_C3]];␊ |
| 2615 | ␉␉␉␉␉cpu->pkg_io_cstates.gas[cpu->pkg_io_cstates.num_cstates].Address += pmbase;␊ |
| 2616 | ␉␉␉␉␉cpu->pkg_io_cstates.num_cstates++;␊ |
| 2617 | ␉␉␉␉}␊ |
| 2618 | ␉␉␉}␊ |
| 2619 | ␉␉␉␊ |
| 2620 | ␉␉␉if (cpu->core_c6_supported && c6_enabled)␊ |
| 2621 | ␉␉␉{␊ |
| 2622 | ␉␉␉␉cpu->pkg_io_cstates.cstate[cpu->pkg_io_cstates.num_cstates] = io_cstate[cstate_2_index[CPU_C6]];␊ |
| 2623 | ␉␉␉␉cpu->pkg_io_cstates.gas[cpu->pkg_io_cstates.num_cstates] = io_gas[cstate_2_index[CPU_C6]];␊ |
| 2624 | ␉␉␉␉cpu->pkg_io_cstates.gas[cpu->pkg_io_cstates.num_cstates].Address += pmbase;␊ |
| 2625 | ␉␉␉␉cpu->pkg_io_cstates.num_cstates++;␊ |
| 2626 | ␉␉␉}␊ |
| 2627 | ␉␉␉if (cpu->core_c7_supported && c7_enabled)␊ |
| 2628 | ␉␉␉{␊ |
| 2629 | ␉␉␉␉cpu->pkg_io_cstates.cstate[cpu->pkg_io_cstates.num_cstates] = io_cstate[cstate_2_index[CPU_C7]];␊ |
| 2630 | ␉␉␉␉cpu->pkg_io_cstates.gas[cpu->pkg_io_cstates.num_cstates] = io_gas[cstate_2_index[CPU_C7]];␊ |
| 2631 | ␉␉␉␉cpu->pkg_io_cstates.gas[cpu->pkg_io_cstates.num_cstates].Address += pmbase;␊ |
| 2632 | ␉␉␉␉cpu->pkg_io_cstates.num_cstates++;␊ |
| 2633 | ␉␉␉}␊ |
| 2634 | ␉␉}␊ |
| 2635 | ␉}␊ |
| 2636 | ␉␊ |
| 2637 | ␉return (1);␊ |
| 2638 | }␊ |
| 2639 | ␊ |
| 2640 | #if BUILD_ACPI_TSS␊ |
| 2641 | //-----------------------------------------------------------------------------␊ |
| 2642 | static U32 BuildTstateInfo(CPU_DETAILS * cpu)␊ |
| 2643 | {␊ |
| 2644 | // Coarse grained clock modulation is available if cpuid.6.eax[5] = 0␊ |
| 2645 | // Max of 8 T-states using 12.5% increments␊ |
| 2646 | static const TSTATE tstate_coarse_grain [] = {␊ |
| 2647 | {100,0,0,0x00,0},␊ |
| 2648 | { 88,0,0,0x1e,0},␊ |
| 2649 | { 75,0,0,0x1c,0},␊ |
| 2650 | { 63,0,0,0x1a,0},␊ |
| 2651 | { 50,0,0,0x18,0},␊ |
| 2652 | { 38,0,0,0x16,0},␊ |
| 2653 | { 25,0,0,0x14,0},␊ |
| 2654 | { 13,0,0,0x12,0},␊ |
| 2655 | };␊ |
| 2656 | ␊ |
| 2657 | // Fine grained clock modulation is available if cpuid.6.eax[5] = 1␊ |
| 2658 | // Max of 15 T-states using 6.25% increments␊ |
| 2659 | static const TSTATE tstate_fine_grain [] = {␊ |
| 2660 | {100,0,0,0x00,0},␊ |
| 2661 | { 94,0,0,0x1f,0},␊ |
| 2662 | { 88,0,0,0x1e,0},␊ |
| 2663 | { 81,0,0,0x1d,0},␊ |
| 2664 | { 75,0,0,0x1c,0},␊ |
| 2665 | { 69,0,0,0x1b,0},␊ |
| 2666 | { 63,0,0,0x1a,0},␊ |
| 2667 | { 56,0,0,0x19,0},␊ |
| 2668 | { 50,0,0,0x18,0},␊ |
| 2669 | { 44,0,0,0x17,0},␊ |
| 2670 | { 38,0,0,0x16,0},␊ |
| 2671 | { 31,0,0,0x15,0},␊ |
| 2672 | { 25,0,0,0x14,0},␊ |
| 2673 | { 19,0,0,0x13,0},␊ |
| 2674 | { 13,0,0,0x12,0},␊ |
| 2675 | };␊ |
| 2676 | ␊ |
| 2677 | // Build T-state table info based on verified options␊ |
| 2678 | U32 num_cpu;␊ |
| 2679 | const TSTATE * tstate;␊ |
| 2680 | U32 num_tstates;␊ |
| 2681 | ␊ |
| 2682 | for (num_cpu = 0; num_cpu < cpu_map_count; num_cpu ++)␊ |
| 2683 | { ␊ |
| 2684 | // Check if fine or coarse grained clock modulation is available␊ |
| 2685 | if (Platform->CPU.fine_grain_clock_mod)␊ |
| 2686 | {␊ |
| 2687 | // Fine grain thermal throttling is available␊ |
| 2688 | num_tstates = 15;␊ |
| 2689 | tstate = tstate_fine_grain;␊ |
| 2690 | }␊ |
| 2691 | else␊ |
| 2692 | {␊ |
| 2693 | // Coarse grain thermal throttling is available␊ |
| 2694 | num_tstates = 8;␊ |
| 2695 | tstate = tstate_coarse_grain;␊ |
| 2696 | }␊ |
| 2697 | ␊ |
| 2698 | cpu->pkg_tstates.num_tstates = num_tstates;␊ |
| 2699 | {␊ |
| 2700 | U32 index;␊ |
| 2701 | for (index = 0; index < num_tstates; index++)␊ |
| 2702 | {␊ |
| 2703 | cpu->pkg_tstates.tstate[index] = tstate[index];␊ |
| 2704 | cpu->pkg_tstates.tstate[index].power = 1000 * (compute_tdp(cpu) * (num_tstates - index)) / num_tstates;␊ |
| 2705 | }␊ |
| 2706 | } ␊ |
| 2707 | ␊ |
| 2708 | ␊ |
| 2709 | }␊ |
| 2710 | return (1);␊ |
| 2711 | }␊ |
| 2712 | #endif␊ |
| 2713 | ␊ |
| 2714 | //-----------------------------------------------------------------------------␊ |
| 2715 | U32 ProcessMadt(ACPI_TABLE_MADT * madt, MADT_INFO * madt_info, void * buffer, U32 bufferSize, U32 nb_cpu)␊ |
| 2716 | {␊ |
| 2717 | void *current;␊ |
| 2718 | void *currentOut;␊ |
| 2719 | void *end;␊ |
| 2720 | void * endOut;␊ |
| 2721 | ␊ |
| 2722 | U32 LOCAL_APIC_NMI_CNT = 0, LOCAL_SAPIC_CNT = 0, INT_SRC_CNT = 0, Length = 0;␊ |
| 2723 | ␊ |
| 2724 | // Quick sanity check for a valid MADT␊ |
| 2725 | if (madt == 0ul || !nb_cpu)␊ |
| 2726 | return (0);␊ |
| 2727 | ␊ |
| 2728 | // Confirm a valid MADT buffer was provided␊ |
| 2729 | if (!buffer)␊ |
| 2730 | {␊ |
| 2731 | printf("Error: Invalid Buffer Address for MADT\n");␊ |
| 2732 | return(0);␊ |
| 2733 | }␊ |
| 2734 | ␊ |
| 2735 | // Confirm a valid MADT buffer length was provided␊ |
| 2736 | if (!bufferSize)␊ |
| 2737 | {␊ |
| 2738 | printf("Error: Invalid Buffer Length for MADT\n");␊ |
| 2739 | return(0);␊ |
| 2740 | } ␊ |
| 2741 | ␊ |
| 2742 | madt_info->lapic_count = 0; ␊ |
| 2743 | ␊ |
| 2744 | memcpy(buffer, madt, sizeof(ACPI_TABLE_MADT)); ␊ |
| 2745 | ␊ |
| 2746 | // Search MADT for Sub-tables with needed data␊ |
| 2747 | current = madt + 1;␊ |
| 2748 | currentOut = buffer + sizeof(ACPI_TABLE_MADT) ; ␊ |
| 2749 | ␊ |
| 2750 | end = (U8 *) madt + madt->Header.Length;␊ |
| 2751 | endOut = (U8 *)buffer + bufferSize; ␊ |
| 2752 | ␊ |
| 2753 | // Check to confirm no MADT buffer overflow␊ |
| 2754 | if ( (U8 *)currentOut > (U8 *)endOut )␊ |
| 2755 | {␊ |
| 2756 | printf("Error: MADT Buffer Length exceeded available space \n");␊ |
| 2757 | return(0);␊ |
| 2758 | }␊ |
| 2759 | ␊ |
| 2760 | Length += sizeof(ACPI_TABLE_MADT); ␊ |
| 2761 | ␊ |
| 2762 | while (current < end)␊ |
| 2763 | ␉{␊ |
| 2764 | ACPI_SUBTABLE_HEADER *subtable = current;␊ |
| 2765 | ACPI_SUBTABLE_HEADER *subtableOut = currentOut;␊ |
| 2766 | ␊ |
| 2767 | ␊ |
| 2768 | switch (subtable->Type)␊ |
| 2769 | ␉␉{␊ |
| 2770 | ␊ |
| 2771 | ␉␉␉case ACPI_MADT_TYPE_LOCAL_APIC:␊ |
| 2772 | {␊ |
| 2773 | ␊ |
| 2774 | // Process sub-tables with Type as 0: Processor Local APIC␊ |
| 2775 | ACPI_MADT_LOCAL_APIC *lapic = current;␊ |
| 2776 | current = lapic + 1; ␊ |
| 2777 | ␊ |
| 2778 | if (!(lapic->LapicFlags & ACPI_MADT_ENABLED))␊ |
| 2779 | continue;␊ |
| 2780 | ␊ |
| 2781 | if (madt_info->lapic_count >= nb_cpu)␊ |
| 2782 | continue;␊ |
| 2783 | ␊ |
| 2784 | // copy subtable␊ |
| 2785 | { ␊ |
| 2786 | ␊ |
| 2787 | memcpy(currentOut, lapic, lapic->Header.Length);␊ |
| 2788 | ␊ |
| 2789 | currentOut = currentOut + lapic->Header.Length;␊ |
| 2790 | ␊ |
| 2791 | // Check to confirm no MADT buffer overflow␊ |
| 2792 | if ( (U8 *)currentOut > (U8 *)endOut )␊ |
| 2793 | {␊ |
| 2794 | printf("Error: MADT Buffer Length exceeded available space \n");␊ |
| 2795 | return(0);␊ |
| 2796 | }␊ |
| 2797 | }␊ |
| 2798 | ␊ |
| 2799 | {␊ |
| 2800 | LAPIC_INFO *lapic_info = &madt_info->lapic[madt_info->lapic_count];␊ |
| 2801 | ␊ |
| 2802 | lapic_info->processorId = lapic->ProcessorId;␊ |
| 2803 | lapic_info->apicId = lapic->Id;␊ |
| 2804 | lapic_info->madt_type = ACPI_MADT_TYPE_LOCAL_APIC;␊ |
| 2805 | }␊ |
| 2806 | ␊ |
| 2807 | madt_info->lapic_count++;␊ |
| 2808 | ␊ |
| 2809 | Length += lapic->Header.Length;␊ |
| 2810 | ␊ |
| 2811 | // Sanity check to verify compile time limit for max logical CPU is not exceeded␊ |
| 2812 | if (madt_info->lapic_count > MAX_LOGICAL_CPU)␊ |
| 2813 | return (0);␊ |
| 2814 | ␊ |
| 2815 | break;␊ |
| 2816 | }␊ |
| 2817 | ␊ |
| 2818 | ␉␉␉case ACPI_MADT_TYPE_X2APIC:␊ |
| 2819 | {␊ |
| 2820 | ␊ |
| 2821 | // Process sub-tables with Type as 9: Processor X2APIC␊ |
| 2822 | ACPI_MADT_X2APIC *x2apic = current;␊ |
| 2823 | current = x2apic + 1; ␊ |
| 2824 | ␊ |
| 2825 | if (!(x2apic->x2apicFlags & ACPI_MADT_ENABLED))␊ |
| 2826 | continue;␊ |
| 2827 | ␊ |
| 2828 | if (madt_info->lapic_count >= nb_cpu)␊ |
| 2829 | continue;␊ |
| 2830 | ␊ |
| 2831 | // copy subtable␊ |
| 2832 | { ␊ |
| 2833 | memcpy(currentOut, x2apic, x2apic->Header.Length);␊ |
| 2834 | ␊ |
| 2835 | currentOut = currentOut + x2apic->Header.Length;␊ |
| 2836 | ␊ |
| 2837 | // Check to confirm no MADT buffer overflow␊ |
| 2838 | if ( (U8 *)currentOut > (U8 *)endOut )␊ |
| 2839 | {␊ |
| 2840 | printf("Error: MADT Buffer Length exceeded available space \n");␊ |
| 2841 | return(0);␊ |
| 2842 | }␊ |
| 2843 | ␊ |
| 2844 | }␊ |
| 2845 | ␊ |
| 2846 | {␊ |
| 2847 | LAPIC_INFO *lapic_info = &madt_info->lapic[madt_info->lapic_count];␊ |
| 2848 | ␊ |
| 2849 | lapic_info->uid = x2apic->UID;␊ |
| 2850 | lapic_info->apicId = x2apic->x2apicId;␊ |
| 2851 | lapic_info->madt_type = ACPI_MADT_TYPE_X2APIC;␊ |
| 2852 | }␊ |
| 2853 | ␊ |
| 2854 | madt_info->lapic_count++;␊ |
| 2855 | ␊ |
| 2856 | Length += x2apic->Header.Length;␊ |
| 2857 | ␊ |
| 2858 | // Sanity check to verify compile time limit for max logical CPU is not exceeded␊ |
| 2859 | if (madt_info->lapic_count > MAX_LOGICAL_CPU)␊ |
| 2860 | return (0);␊ |
| 2861 | ␊ |
| 2862 | break;␊ |
| 2863 | }␊ |
| 2864 | ␊ |
| 2865 | case ACPI_MADT_TYPE_LOCAL_APIC_NMI:␊ |
| 2866 | {␊ |
| 2867 | // Process sub-tables with Type as 4: Local APIC NMI␊ |
| 2868 | ACPI_MADT_LOCAL_APIC_NMI *nmi = current;␊ |
| 2869 | current = nmi + 1; ␊ |
| 2870 | ␊ |
| 2871 | if (LOCAL_APIC_NMI_CNT >= nb_cpu)␊ |
| 2872 | continue; ␊ |
| 2873 | ␊ |
| 2874 | memcpy(currentOut, nmi, nmi->Header.Length); ␊ |
| 2875 | ␊ |
| 2876 | currentOut = currentOut + nmi->Header.Length;␊ |
| 2877 | ␊ |
| 2878 | // Check to confirm no MADT buffer overflow␊ |
| 2879 | if ( (U8 *)currentOut > (U8 *)endOut )␊ |
| 2880 | {␊ |
| 2881 | printf("Error: MADT Buffer Length exceeded available space \n");␊ |
| 2882 | return(0);␊ |
| 2883 | }␊ |
| 2884 | ␊ |
| 2885 | ␊ |
| 2886 | LOCAL_APIC_NMI_CNT++;␊ |
| 2887 | ␊ |
| 2888 | Length += nmi->Header.Length;␊ |
| 2889 | ␊ |
| 2890 | // Sanity check to verify compile time limit for max logical CPU is not exceeded␊ |
| 2891 | if (LOCAL_APIC_NMI_CNT > MAX_LOGICAL_CPU)␊ |
| 2892 | return (0);␊ |
| 2893 | ␊ |
| 2894 | break;␊ |
| 2895 | }␊ |
| 2896 | ␊ |
| 2897 | case ACPI_MADT_TYPE_LOCAL_SAPIC:␊ |
| 2898 | {␊ |
| 2899 | // Process sub-tables with Type as 7: Local Sapic␊ |
| 2900 | ACPI_MADT_LOCAL_SAPIC *sapic = current;␊ |
| 2901 | current = sapic + 1; ␊ |
| 2902 | ␊ |
| 2903 | if (LOCAL_SAPIC_CNT >= nb_cpu)␊ |
| 2904 | continue; ␊ |
| 2905 | ␊ |
| 2906 | memcpy(currentOut, sapic, sapic->Header.Length); ␊ |
| 2907 | ␊ |
| 2908 | currentOut = currentOut + sapic->Header.Length;␊ |
| 2909 | ␊ |
| 2910 | // Check to confirm no MADT buffer overflow␊ |
| 2911 | if ( (U8 *)currentOut > (U8 *)endOut )␊ |
| 2912 | {␊ |
| 2913 | printf("Error: MADT Buffer Length exceeded available space \n");␊ |
| 2914 | return(0);␊ |
| 2915 | }␊ |
| 2916 | ␊ |
| 2917 | ␊ |
| 2918 | LOCAL_SAPIC_CNT++;␊ |
| 2919 | ␊ |
| 2920 | Length += sapic->Header.Length;␊ |
| 2921 | ␊ |
| 2922 | // Sanity check to verify compile time limit for max logical CPU is not exceeded␊ |
| 2923 | if (LOCAL_SAPIC_CNT > MAX_LOGICAL_CPU)␊ |
| 2924 | return (0);␊ |
| 2925 | ␊ |
| 2926 | break;␊ |
| 2927 | }␊ |
| 2928 | ␊ |
| 2929 | case ACPI_MADT_TYPE_INTERRUPT_SOURCE:␊ |
| 2930 | {␊ |
| 2931 | // Process sub-tables with Type as 8: Platform Interrupt Source␊ |
| 2932 | ACPI_MADT_INTERRUPT_SOURCE *intsrc = current;␊ |
| 2933 | current = intsrc + 1; ␊ |
| 2934 | ␊ |
| 2935 | if (INT_SRC_CNT >= nb_cpu)␊ |
| 2936 | continue; ␊ |
| 2937 | ␊ |
| 2938 | memcpy(currentOut, intsrc, intsrc->Header.Length); ␊ |
| 2939 | ␊ |
| 2940 | currentOut = currentOut + intsrc->Header.Length;␊ |
| 2941 | ␊ |
| 2942 | // Check to confirm no MADT buffer overflow␊ |
| 2943 | if ( (U8 *)currentOut > (U8 *)endOut )␊ |
| 2944 | {␊ |
| 2945 | printf("Error: MADT Buffer Length exceeded available space \n");␊ |
| 2946 | return(0);␊ |
| 2947 | }␊ |
| 2948 | ␊ |
| 2949 | ␊ |
| 2950 | INT_SRC_CNT++;␊ |
| 2951 | ␊ |
| 2952 | Length += intsrc->Header.Length;␊ |
| 2953 | ␊ |
| 2954 | // Sanity check to verify compile time limit for max logical CPU is not exceeded␊ |
| 2955 | if (INT_SRC_CNT > MAX_LOGICAL_CPU)␊ |
| 2956 | return (0);␊ |
| 2957 | ␊ |
| 2958 | break;␊ |
| 2959 | }␊ |
| 2960 | ␊ |
| 2961 | ␉␉␉default:␊ |
| 2962 | {␊ |
| 2963 | ␊ |
| 2964 | // Process all other sub-tables␊ |
| 2965 | current = (U8 *) subtable + subtable->Length;␊ |
| 2966 | currentOut = (U8 *) subtableOut + subtable->Length;␊ |
| 2967 | ␊ |
| 2968 | memcpy(subtableOut, subtable, subtable->Length);␊ |
| 2969 | ␊ |
| 2970 | // Check to confirm no MADT buffer overflow␊ |
| 2971 | if ( (U8 *)currentOut > (U8 *)endOut )␊ |
| 2972 | {␊ |
| 2973 | printf("Error: MADT Buffer Length exceeded available space \n");␊ |
| 2974 | return(0);␊ |
| 2975 | } ␊ |
| 2976 | ␊ |
| 2977 | Length += subtable->Length;␊ |
| 2978 | ␊ |
| 2979 | break;␊ |
| 2980 | }␊ |
| 2981 | } // switch␊ |
| 2982 | ␊ |
| 2983 | } // while ␊ |
| 2984 | ␊ |
| 2985 | {␊ |
| 2986 | ACPI_TABLE_MADT * new_madt = (ACPI_TABLE_MADT * )buffer; ␊ |
| 2987 | ␊ |
| 2988 | // Update the Lenght of the new MADT table␊ |
| 2989 | new_madt->Header.Length = Length; ␊ |
| 2990 | ␊ |
| 2991 | // Update the checksum of the new MADT table␊ |
| 2992 | ␉␉SetChecksum(&new_madt->Header); ␊ |
| 2993 | }␊ |
| 2994 | ␊ |
| 2995 | return (1);␊ |
| 2996 | }␊ |
| 2997 | ␊ |
| 2998 | static U32 buildMADT(U32 * new_table_list, ACPI_TABLE_DSDT *dsdt, MADT_INFO * madt_info)␊ |
| 2999 | {␊ |
| 3000 | DBG("Build MADT\n");␊ |
| 3001 | ␉␊ |
| 3002 | ␉ACPI_TABLE_MADT * madt_file = (void*)0ul;␊ |
| 3003 | ␉ACPI_TABLE_MADT * MadtPointer = (void*)0ul;␊ |
| 3004 | bool oem_apic=false;␊ |
| 3005 | U8 new_table_index = 0;␊ |
| 3006 | ␊ |
| 3007 | // Check that we have a valid cpu_map (if it's not already done, it will try to generate it)␊ |
| 3008 | if (generate_cpu_map_from_acpi(dsdt) != 0)␊ |
| 3009 | {␊ |
| 3010 | return(0);␊ |
| 3011 | }␊ |
| 3012 | ␊ |
| 3013 | {␉␉␊ |
| 3014 | ␉␉bool tmpval;␉␉␊ |
| 3015 | ␉␉oem_apic=getBoolForKey(kOEMAPIC, &tmpval, &bootInfo->bootConfig)&&tmpval;␉␉␊ |
| 3016 | ␉}␊ |
| 3017 | ␊ |
| 3018 | if (oem_apic == true) ␊ |
| 3019 | {␊ |
| 3020 | return(0);␊ |
| 3021 | }␊ |
| 3022 | ␊ |
| 3023 | if ((madt_file = (ACPI_TABLE_MADT *)get_new_table_in_list(new_table_list, NAMESEG("APIC"), &new_table_index)) != (void *)0ul)␊ |
| 3024 | ␉{␉␉␉␉␊ |
| 3025 | MadtPointer = (ACPI_TABLE_MADT *)madt_file;␊ |
| 3026 | ␊ |
| 3027 | new_table_list[new_table_index] = 0ul; // This way, the non-patched table will not be added in our new rsdt/xsdt table list // note: for now we don't patch this table␉␉␉␊ |
| 3028 | ␉} ␊ |
| 3029 | else␊ |
| 3030 | {␊ |
| 3031 | MadtPointer = (acpi_tables.MadtPointer64 != (void*)0ul) ? (ACPI_TABLE_MADT *)acpi_tables.MadtPointer64 : (ACPI_TABLE_MADT *)acpi_tables.MadtPointer;␊ |
| 3032 | ␊ |
| 3033 | new_table_index = get_0ul_index_in_list(new_table_list, true);␊ |
| 3034 | ␊ |
| 3035 | // Check to confirm space is available␊ |
| 3036 | if (new_table_index == ACPI_TABLE_LIST_FULL)␊ |
| 3037 | {␉␉␊ |
| 3038 | printf("Error: not enought reserved space in the new acpi list for the MADT table,\n ");␊ |
| 3039 | printf(" please increase the RESERVED_AERA\n");␊ |
| 3040 | return(0);␊ |
| 3041 | }␊ |
| 3042 | } ␊ |
| 3043 | ␊ |
| 3044 | // Create buffer for MADT␊ |
| 3045 | U8 memory_for_madt[2 * 1024];␊ |
| 3046 | ␊ |
| 3047 | ␊ |
| 3048 | // Build the new MADT␊ |
| 3049 | if ( (ProcessMadt(MadtPointer, madt_info, memory_for_madt, sizeof(memory_for_madt), cpu_map_count))== 0) ␊ |
| 3050 | ␉{␊ |
| 3051 | ␉␉printf("Error: Failed to build MADT table\n");␊ |
| 3052 | ␉␉return (0);␊ |
| 3053 | ␉}␊ |
| 3054 | ␉␊ |
| 3055 | ␉// insert MADT in the new_table_list␊ |
| 3056 | ␉{␊ |
| 3057 | ␉␉// Create pointer to MADT just built in the stack buffer␊ |
| 3058 | ␉␉ACPI_TABLE_MADT * old_madt = (ACPI_TABLE_MADT *)memory_for_madt;␉␉␊ |
| 3059 | ␉␉␊ |
| 3060 | ␉␉// Reserved kernel memory for the madt table␊ |
| 3061 | ␉␉ACPI_TABLE_MADT *new_madt = (ACPI_TABLE_MADT *)AllocateKernelMemory(old_madt->Header.Length);␊ |
| 3062 | ␉␉␊ |
| 3063 | ␉␉if (!new_madt) ␊ |
| 3064 | ␉␉{␊ |
| 3065 | ␉␉␉printf("Unable to allocate kernel memory for MADT ");␊ |
| 3066 | ␉␉␉return (0);␊ |
| 3067 | ␉␉}␊ |
| 3068 | ␉␉// Move the old stack buffer to kernel memory␊ |
| 3069 | ␉␉memcpy(new_madt, old_madt, old_madt->Header.Length);␊ |
| 3070 | ␉␉␊ |
| 3071 | ␉␉// Add the new madt into an empty space of the new_table_list␊ |
| 3072 | ␉␉new_table_list[new_table_index] = (U32)new_madt;␉␉␉␉␊ |
| 3073 | |