]> git.saurik.com Git - apple/xnu.git/blobdiff - osfmk/i386/cpuid.c
xnu-2422.1.72.tar.gz
[apple/xnu.git] / osfmk / i386 / cpuid.c
index abb0b94ed82c23590b89d9c53218b8ea253b3951..090da7d76f1ad66c01623598d501afeef1314dbb 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2012 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
@@ -162,6 +162,7 @@ static cpuid_cache_descriptor_t intel_cpuid_leaf2_descriptor_table[] = {
        { 0x70, CACHE,  TRACE,          8,      12*K,   NA  },
        { 0x71, CACHE,  TRACE,          8,      16*K,   NA  },
        { 0x72, CACHE,  TRACE,          8,      32*K,   NA  },
+       { 0x76, TLB,    INST,           NA,     BOTH,   8   },
        { 0x78, CACHE,  L2,             4,      1*M,    64  },
        { 0x79, CACHE,  L2_2LINESECTOR, 8,      128*K,  64  },
        { 0x7A, CACHE,  L2_2LINESECTOR, 8,      256*K,  64  },
@@ -181,8 +182,11 @@ static cpuid_cache_descriptor_t intel_cpuid_leaf2_descriptor_table[] = {
        { 0xB2, TLB,    INST,           4,      SMALL,  64  },  
        { 0xB3, TLB,    DATA,           4,      SMALL,  128 },  
        { 0xB4, TLB,    DATA1,          4,      SMALL,  256 },  
+       { 0xB5, TLB,    DATA1,          8,      SMALL,  64  },  
+       { 0xB6, TLB,    DATA1,          8,      SMALL,  128 },  
        { 0xBA, TLB,    DATA1,          4,      BOTH,   64  },  
-       { 0xCA, STLB,   DATA1,          4,      BOTH,   512 },  
+       { 0xC1, STLB,   DATA1,          8,      SMALL,  1024},  
+       { 0xCA, STLB,   DATA1,          4,      SMALL,  512 },  
        { 0xD0, CACHE,  L3,             4,      512*K,  64  },  
        { 0xD1, CACHE,  L3,             4,      1*M,    64  },  
        { 0xD2, CACHE,  L3,             4,      2*M,    64  },  
@@ -225,36 +229,15 @@ cpuid_leaf2_find(uint8_t value)
  * CPU identification routines.
  */
 
-static i386_cpu_info_t *cpuid_cpu_infop = NULL;
 static i386_cpu_info_t cpuid_cpu_info;
+static i386_cpu_info_t *cpuid_cpu_infop = NULL;
 
-#if defined(__x86_64__)
 static void cpuid_fn(uint32_t selector, uint32_t *result)
 {
        do_cpuid(selector, result);
        DBG("cpuid_fn(0x%08x) eax:0x%08x ebx:0x%08x ecx:0x%08x edx:0x%08x\n",
                selector, result[0], result[1], result[2], result[3]);
 }
-#else
-static void cpuid_fn(uint32_t selector, uint32_t *result)
-{
-       if (get_is64bit()) {
-              asm("call _cpuid64"
-                       : "=a" (result[0]),
-                         "=b" (result[1]),
-                         "=c" (result[2]),
-                         "=d" (result[3])
-                       : "a"(selector),
-                         "b" (0),
-                         "c" (0),
-                         "d" (0));
-       } else {
-               do_cpuid(selector, result);
-       }
-       DBG("cpuid_fn(0x%08x) eax:0x%08x ebx:0x%08x ecx:0x%08x edx:0x%08x\n",
-               selector, result[0], result[1], result[2], result[3]);
-}
-#endif
 
 static const char *cache_type_str[LCACHE_MAX] = {
        "Lnone", "L1I", "L1D", "L2U", "L3U"
@@ -587,7 +570,7 @@ cpuid_set_generic_info(i386_cpu_info_t *info_p)
        info_p->cpuid_features  = quad(reg[ecx], reg[edx]);
 
        /* Get "processor flag"; necessary for microcode update matching */
-       info_p->cpuid_processor_flag = (rdmsr64(MSR_IA32_PLATFORM_ID)>> 50) & 3;
+       info_p->cpuid_processor_flag = (rdmsr64(MSR_IA32_PLATFORM_ID)>> 50) & 0x7;
 
        /* Fold extensions into family/model */
        if (info_p->cpuid_family == 0x0f)
@@ -663,13 +646,13 @@ cpuid_set_generic_info(i386_cpu_info_t *info_p)
                ctp->sensor               = bitfield32(reg[eax], 0, 0);
                ctp->dynamic_acceleration = bitfield32(reg[eax], 1, 1);
                ctp->invariant_APIC_timer = bitfield32(reg[eax], 2, 2);
-               ctp->core_power_limits    = bitfield32(reg[eax], 3, 3);
-               ctp->fine_grain_clock_mod = bitfield32(reg[eax], 4, 4);
-               ctp->package_thermal_intr = bitfield32(reg[eax], 5, 5);
+               ctp->core_power_limits    = bitfield32(reg[eax], 4, 4);
+               ctp->fine_grain_clock_mod = bitfield32(reg[eax], 5, 5);
+               ctp->package_thermal_intr = bitfield32(reg[eax], 6, 6);
                ctp->thresholds           = bitfield32(reg[ebx], 3, 0);
                ctp->ACNT_MCNT            = bitfield32(reg[ecx], 0, 0);
                ctp->hardware_feedback    = bitfield32(reg[ecx], 1, 1);
-               ctp->energy_policy        = bitfield32(reg[ecx], 2, 2);
+               ctp->energy_policy        = bitfield32(reg[ecx], 3, 3);
                info_p->cpuid_thermal_leafp = ctp;
 
                DBG(" Thermal/Power Leaf:\n");
@@ -681,7 +664,7 @@ cpuid_set_generic_info(i386_cpu_info_t *info_p)
                DBG("  package_thermal_intr : %d\n", ctp->package_thermal_intr);
                DBG("  thresholds           : %d\n", ctp->thresholds);
                DBG("  ACNT_MCNT            : %d\n", ctp->ACNT_MCNT);
-               DBG("  hardware_feedback    : %d\n", ctp->hardware_feedback);
+               DBG("  ACNT2                : %d\n", ctp->hardware_feedback);
                DBG("  energy_policy        : %d\n", ctp->energy_policy);
        }
 
@@ -726,9 +709,9 @@ cpuid_set_generic_info(i386_cpu_info_t *info_p)
                DBG("  EDX           : 0x%x\n", xsp->extended_state[edx]);
        }
 
-       if (info_p->cpuid_model == CPUID_MODEL_IVYBRIDGE) {
+       if (info_p->cpuid_model >= CPUID_MODEL_IVYBRIDGE) {
                /*
-                * XSAVE Features:
+                * Leaf7 Features:
                 */
                cpuid_fn(0x7, reg);
                info_p->cpuid_leaf7_features = reg[ebx];
@@ -748,11 +731,6 @@ cpuid_set_cpufamily(i386_cpu_info_t *info_p)
        switch (info_p->cpuid_family) {
        case 6:
                switch (info_p->cpuid_model) {
-#if CONFIG_YONAH
-               case 14:
-                       cpufamily = CPUFAMILY_INTEL_YONAH;
-                       break;
-#endif
                case 15:
                        cpufamily = CPUFAMILY_INTEL_MEROM;
                        break;
@@ -777,6 +755,11 @@ cpuid_set_cpufamily(i386_cpu_info_t *info_p)
                case CPUID_MODEL_IVYBRIDGE:
                        cpufamily = CPUFAMILY_INTEL_IVYBRIDGE;
                        break;
+               case CPUID_MODEL_HASWELL:
+               case CPUID_MODEL_HASWELL_ULT:
+               case CPUID_MODEL_CRYSTALWELL:
+                       cpufamily = CPUFAMILY_INTEL_HASWELL;
+                       break;
                }
                break;
        }
@@ -794,10 +777,6 @@ cpuid_set_info(void)
 {
        i386_cpu_info_t         *info_p = &cpuid_cpu_info;
 
-       PE_parse_boot_argn("-cpuid", &cpuid_dbg, sizeof(cpuid_dbg));
-
-       bzero((void *)info_p, sizeof(cpuid_cpu_info));
-
        cpuid_set_generic_info(info_p);
 
        /* verify we are running on a supported CPU */
@@ -810,7 +789,7 @@ cpuid_set_info(void)
        info_p->cpuid_cpu_type = CPU_TYPE_X86;
        info_p->cpuid_cpu_subtype = CPU_SUBTYPE_X86_ARCH1;
        /* Must be invoked after set_generic_info */
-       cpuid_set_cache_info(&cpuid_cpu_info);
+       cpuid_set_cache_info(info_p);
 
        /*
         * Find the number of enabled cores and threads
@@ -823,6 +802,7 @@ cpuid_set_info(void)
                info_p->thread_count = bitfield32((uint32_t)msr, 15,  0);
                break;
                }
+       case CPUFAMILY_INTEL_HASWELL:
        case CPUFAMILY_INTEL_IVYBRIDGE:
        case CPUFAMILY_INTEL_SANDYBRIDGE:
        case CPUFAMILY_INTEL_NEHALEM: {
@@ -840,7 +820,7 @@ cpuid_set_info(void)
        DBG("  core_count   : %d\n", info_p->core_count);
        DBG("  thread_count : %d\n", info_p->thread_count);
 
-       cpuid_cpu_info.cpuid_model_string = ""; /* deprecated */
+       info_p->cpuid_model_string = ""; /* deprecated */
 }
 
 static struct table {
@@ -887,12 +867,13 @@ static struct table {
        {CPUID_FEATURE_TM2,       "TM2"},
        {CPUID_FEATURE_SSSE3,     "SSSE3"},
        {CPUID_FEATURE_CID,       "CID"},
+       {CPUID_FEATURE_FMA,       "FMA"},
        {CPUID_FEATURE_CX16,      "CX16"},
        {CPUID_FEATURE_xTPR,      "TPR"},
        {CPUID_FEATURE_PDCM,      "PDCM"},
        {CPUID_FEATURE_SSE4_1,    "SSE4.1"},
        {CPUID_FEATURE_SSE4_2,    "SSE4.2"},
-       {CPUID_FEATURE_xAPIC,     "xAPIC"},
+       {CPUID_FEATURE_x2APIC,    "x2APIC"},
        {CPUID_FEATURE_MOVBE,     "MOVBE"},
        {CPUID_FEATURE_POPCNT,    "POPCNT"},
        {CPUID_FEATURE_AES,       "AES"},
@@ -919,9 +900,16 @@ extfeature_map[] = {
 
 },
 leaf7_feature_map[] = {
-       {CPUID_LEAF7_FEATURE_RDWRFSGS, "RDWRFSGS"},
        {CPUID_LEAF7_FEATURE_SMEP,     "SMEP"},
        {CPUID_LEAF7_FEATURE_ENFSTRG,  "ENFSTRG"},
+       {CPUID_LEAF7_FEATURE_RDWRFSGS, "RDWRFSGS"},
+       {CPUID_LEAF7_FEATURE_TSCOFF,   "TSC_THREAD_OFFSET"},
+       {CPUID_LEAF7_FEATURE_BMI1,     "BMI1"},
+       {CPUID_LEAF7_FEATURE_HLE,      "HLE"},
+       {CPUID_LEAF7_FEATURE_AVX2,     "AVX2"},
+       {CPUID_LEAF7_FEATURE_BMI2,     "BMI2"},
+       {CPUID_LEAF7_FEATURE_INVPCID,  "INVPCID"},
+       {CPUID_LEAF7_FEATURE_RTM,      "RTM"},
        {0, 0}
 };
 
@@ -952,6 +940,7 @@ cpuid_info(void)
 {
        /* Set-up the cpuid_info stucture lazily */
        if (cpuid_cpu_infop == NULL) {
+               PE_parse_boot_argn("-cpuid", &cpuid_dbg, sizeof(cpuid_dbg));
                cpuid_set_info();
                cpuid_cpu_infop = &cpuid_cpu_info;
        }
@@ -992,10 +981,10 @@ cpuid_feature_display(
 #define s_if_plural(n) ((n > 1) ? "s" : "")
                kprintf("  HTT: %d core%s per package;"
                             " %d logical cpu%s per package\n",
-                       cpuid_cpu_info.cpuid_cores_per_package,
-                       s_if_plural(cpuid_cpu_info.cpuid_cores_per_package),
-                       cpuid_cpu_info.cpuid_logical_per_package,
-                       s_if_plural(cpuid_cpu_info.cpuid_logical_per_package));
+                       cpuid_cpu_infop->cpuid_cores_per_package,
+                       s_if_plural(cpuid_cpu_infop->cpuid_cores_per_package),
+                       cpuid_cpu_infop->cpuid_logical_per_package,
+                       s_if_plural(cpuid_cpu_infop->cpuid_logical_per_package));
        }
 }
 
@@ -1014,8 +1003,8 @@ void
 cpuid_cpu_display(
        const char      *header)
 {
-    if (cpuid_cpu_info.cpuid_brand_string[0] != '\0') {
-       kprintf("%s: %s\n", header, cpuid_cpu_info.cpuid_brand_string);
+    if (cpuid_cpu_infop->cpuid_brand_string[0] != '\0') {
+       kprintf("%s: %s\n", header, cpuid_cpu_infop->cpuid_brand_string);
     }
 }
 
@@ -1056,15 +1045,15 @@ cpuid_features(void)
                                printf("limiting fpu features to: %s\n", fpu_arg);
                                if (!strncmp("387", fpu_arg, sizeof("387")) || !strncmp("mmx", fpu_arg, sizeof("mmx"))) {
                                        printf("no sse or sse2\n");
-                                       cpuid_cpu_info.cpuid_features &= ~(CPUID_FEATURE_SSE | CPUID_FEATURE_SSE2 | CPUID_FEATURE_FXSR);
+                                       cpuid_cpu_infop->cpuid_features &= ~(CPUID_FEATURE_SSE | CPUID_FEATURE_SSE2 | CPUID_FEATURE_FXSR);
                                } else if (!strncmp("sse", fpu_arg, sizeof("sse"))) {
                                        printf("no sse2\n");
-                                       cpuid_cpu_info.cpuid_features &= ~(CPUID_FEATURE_SSE2);
+                                       cpuid_cpu_infop->cpuid_features &= ~(CPUID_FEATURE_SSE2);
                                }
                        }
                        checked = 1;
        }
-       return cpuid_cpu_info.cpuid_features;
+       return cpuid_cpu_infop->cpuid_features;
 }
 
 uint64_t
@@ -1145,3 +1134,4 @@ cpuid_vmm_family(void)
 {
        return cpuid_vmm_info()->cpuid_vmm_family;
 }
+