xnu-6153.81.5.tar.gz

[apple/xnu.git] / bsd / kern / kern_mib.c

diff --git a/bsd/kern/kern_mib.c b/bsd/kern/kern_mib.c
index 8598b730698fac7252646bb1bf4168c8c72e4d94..667b17a7d7b3aad2397317ec376da5242a4dd2cc 100644 (file)
--- a/bsd/kern/kern_mib.c
+++ b/bsd/kern/kern_mib.c
@@ -1,8 +1,8 @@
 /*
 /*

- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2007 Apple Inc. All rights reserved.

  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@

- * 
+ *

  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in


@@ -11,10 +11,10 @@
  * unlawful or unlicensed copies of an Apple operating system, or to
  * circumvent, violate, or enable the circumvention or violation of, any
  * terms of an Apple operating system software license agreement.
  * unlawful or unlicensed copies of an Apple operating system, or to
  * circumvent, violate, or enable the circumvention or violation of, any
  * terms of an Apple operating system software license agreement.

- * 
+ *

  * Please obtain a copy of the License at
  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  * Please obtain a copy of the License at
  * http://www.opensource.apple.com/apsl/ and read it before using this file.

- * 
+ *

  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,


@@ -22,7 +22,7 @@
  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  * Please see the License for the specific language governing rights and
  * limitations under the License.

- * 
+ *

  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*-
  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*-


@@ -97,7 +97,11 @@
 #include <mach/vm_param.h>
 #include <kern/task.h>
 #include <vm/vm_kern.h>
 #include <mach/vm_param.h>
 #include <kern/task.h>
 #include <vm/vm_kern.h>

+#include <vm/vm_map.h>
+#include <vm/vm_protos.h>

 #include <mach/host_info.h>
 #include <mach/host_info.h>

+#include <kern/pms.h>
+#include <pexpert/device_tree.h>

 
 extern vm_map_t bsd_pageable_map;
 
 
 extern vm_map_t bsd_pageable_map;
 


@@ -110,59 +114,92 @@ extern vm_map_t bsd_pageable_map;
 #include <machine/machine_routines.h>
 #include <machine/cpu_capabilities.h>
 
 #include <machine/machine_routines.h>
 #include <machine/cpu_capabilities.h>
 

-static int     cputype, cpusubtype, cputhreadtype;
-
-SYSCTL_NODE(, 0,         sysctl, CTLFLAG_RW, 0,
-       "Sysctl internal magic");
-SYSCTL_NODE(, CTL_KERN,          kern,   CTLFLAG_RW, 0,
-       "High kernel, proc, limits &c");
-SYSCTL_NODE(, CTL_VM,    vm,     CTLFLAG_RW, 0,
-       "Virtual memory");
-SYSCTL_NODE(, CTL_VFS,   vfs,     CTLFLAG_RW, 0,
-       "File system");
-SYSCTL_NODE(, CTL_NET,   net,    CTLFLAG_RW, 0,
-       "Network, (see socket.h)");
-SYSCTL_NODE(, CTL_DEBUG,  debug,  CTLFLAG_RW, 0,
-       "Debugging");
-SYSCTL_NODE(, CTL_HW,    hw,     CTLFLAG_RW, 0,
-       "hardware");
-SYSCTL_NODE(, CTL_MACHDEP, machdep, CTLFLAG_RW, 0,
-       "machine dependent");
-SYSCTL_NODE(, CTL_USER,          user,   CTLFLAG_RW, 0,
-       "user-level");
-
-#define SYSCTL_RETURN(r, x)    SYSCTL_OUT(r, &x, sizeof(x))
+#include <mach/mach_host.h>             /* for host_info() */
+
+#if defined(__i386__) || defined(__x86_64__)
+#include <i386/cpuid.h> /* for cpuid_info() */
+#endif
+
+#if defined(__arm__) || defined(__arm64__)
+#include <arm/cpuid.h>          /* for cpuid_info() & cache_info() */
+#endif
+
+
+#ifndef MAX
+#define MAX(a, b) (a >= b ? a : b)
+#endif
+
+/* XXX This should be in a BSD accessible Mach header, but isn't. */
+extern unsigned int vm_page_wire_count;
+
+static int      cputype, cpusubtype, cputhreadtype, cpufamily, cpu64bit;
+static uint64_t cacheconfig[10], cachesize[10];
+static int      packages;
+
+static char *   osenvironment;
+static uint32_t osenvironment_size = 0;
+static uint32_t ephemeral_storage = 0;
+static uint32_t use_recovery_securityd = 0;
+
+static struct {
+       uint32_t ephemeral_storage:1;
+       uint32_t use_recovery_securityd:1;
+} property_existence = {0, 0};
+
+SYSCTL_NODE(, 0, sysctl, CTLFLAG_RW | CTLFLAG_LOCKED, 0,
+    "Sysctl internal magic");
+SYSCTL_NODE(, CTL_KERN, kern, CTLFLAG_RW | CTLFLAG_LOCKED, 0,
+    "High kernel, proc, limits &c");
+SYSCTL_NODE(, CTL_VM, vm, CTLFLAG_RW | CTLFLAG_LOCKED, 0,
+    "Virtual memory");
+SYSCTL_NODE(, CTL_VFS, vfs, CTLFLAG_RW | CTLFLAG_LOCKED, 0,
+    "File system");
+SYSCTL_NODE(, CTL_NET, net, CTLFLAG_RW | CTLFLAG_LOCKED, 0,
+    "Network, (see socket.h)");
+SYSCTL_NODE(, CTL_DEBUG, debug, CTLFLAG_RW | CTLFLAG_LOCKED, 0,
+    "Debugging");
+SYSCTL_NODE(, CTL_HW, hw, CTLFLAG_RW | CTLFLAG_LOCKED, 0,
+    "hardware");
+SYSCTL_NODE(, CTL_MACHDEP, machdep, CTLFLAG_RW | CTLFLAG_LOCKED, 0,
+    "machine dependent");
+SYSCTL_NODE(, CTL_USER, user, CTLFLAG_RW | CTLFLAG_LOCKED, 0,
+    "user-level");
+
+SYSCTL_NODE(_kern, OID_AUTO, bridge, CTLFLAG_RW | CTLFLAG_LOCKED, 0,
+    "bridge");
+
+#define SYSCTL_RETURN(r, x)     SYSCTL_OUT(r, &x, sizeof(x))

 
 /******************************************************************************
  * hw.* MIB
  */
 
 
 /******************************************************************************
  * hw.* MIB
  */
 

-#define CTLHW_RETQUAD  (1 << 31)
-#define CTLHW_LOCAL    (1 << 30)
+#define CTLHW_RETQUAD   (1U << 31)
+#define CTLHW_LOCAL     (1U << 30)

 
 

-#define HW_LOCAL_CPUTHREADTYPE (1 | CTLHW_LOCAL)
-#define HW_LOCAL_PHYSICALCPU   (2 | CTLHW_LOCAL)
-#define HW_LOCAL_PHYSICALCPUMAX        (3 | CTLHW_LOCAL)
-#define HW_LOCAL_LOGICALCPU    (4 | CTLHW_LOCAL)
-#define HW_LOCAL_LOGICALCPUMAX (5 | CTLHW_LOCAL)
+#define HW_LOCAL_CPUTHREADTYPE  (1 | CTLHW_LOCAL)
+#define HW_LOCAL_PHYSICALCPU    (2 | CTLHW_LOCAL)
+#define HW_LOCAL_PHYSICALCPUMAX (3 | CTLHW_LOCAL)
+#define HW_LOCAL_LOGICALCPU     (4 | CTLHW_LOCAL)
+#define HW_LOCAL_LOGICALCPUMAX  (5 | CTLHW_LOCAL)

 
 
 /*
 
 
 /*

- * Supporting some variables requires us to do "real" work.  We 
+ * Supporting some variables requires us to do "real" work.  We

  * gather some of that here.
  */
 static int
  * gather some of that here.
  */
 static int

-sysctl_hw_generic SYSCTL_HANDLER_ARGS
+sysctl_hw_generic(__unused struct sysctl_oid *oidp, __unused void *arg1,
+    int arg2, struct sysctl_req *req)

 {
        char dummy[65];
        int  epochTemp;
 {
        char dummy[65];
        int  epochTemp;

-       extern int vm_page_wire_count;

        ml_cpu_info_t cpu_info;
        int val, doquad;
        long long qval;
        host_basic_info_data_t hinfo;
        kern_return_t kret;
        ml_cpu_info_t cpu_info;
        int val, doquad;
        long long qval;
        host_basic_info_data_t hinfo;
        kern_return_t kret;

-       int count = HOST_BASIC_INFO_COUNT;
+       mach_msg_type_number_t count = HOST_BASIC_INFO_COUNT;

 
        /*
         * Test and mask off the 'return quad' flag.
 
        /*
         * Test and mask off the 'return quad' flag.


@@ -174,7 +211,7 @@ sysctl_hw_generic SYSCTL_HANDLER_ARGS
        ml_cpu_get_info(&cpu_info);
 
 #define BSD_HOST 1
        ml_cpu_get_info(&cpu_info);
 
 #define BSD_HOST 1

-       kret = host_info(BSD_HOST, HOST_BASIC_INFO, &hinfo, &count);
+       kret = host_info((host_t)BSD_HOST, HOST_BASIC_INFO, (host_info_t)&hinfo, &count);

 
        /*
         * Handle various OIDs.
 
        /*
         * Handle various OIDs.


@@ -185,40 +222,47 @@ sysctl_hw_generic SYSCTL_HANDLER_ARGS
        switch (arg2) {
        case HW_NCPU:
                if (kret == KERN_SUCCESS) {
        switch (arg2) {
        case HW_NCPU:
                if (kret == KERN_SUCCESS) {

-                       return(SYSCTL_RETURN(req, hinfo.max_cpus));
+                       return SYSCTL_RETURN(req, hinfo.max_cpus);

                } else {
                } else {

-                       return(EINVAL);
+                       return EINVAL;

                }
        case HW_AVAILCPU:
                if (kret == KERN_SUCCESS) {
                }
        case HW_AVAILCPU:
                if (kret == KERN_SUCCESS) {

-                       return(SYSCTL_RETURN(req, hinfo.avail_cpus));
+                       return SYSCTL_RETURN(req, hinfo.avail_cpus);

                } else {
                } else {

-                       return(EINVAL);
+                       return EINVAL;

                }
        case HW_LOCAL_PHYSICALCPU:
                if (kret == KERN_SUCCESS) {
                }
        case HW_LOCAL_PHYSICALCPU:
                if (kret == KERN_SUCCESS) {

-                       return(SYSCTL_RETURN(req, hinfo.physical_cpu));
+                       return SYSCTL_RETURN(req, hinfo.physical_cpu);

                } else {
                } else {

-                       return(EINVAL);
+                       return EINVAL;

                }
        case HW_LOCAL_PHYSICALCPUMAX:
                if (kret == KERN_SUCCESS) {
                }
        case HW_LOCAL_PHYSICALCPUMAX:
                if (kret == KERN_SUCCESS) {

-                       return(SYSCTL_RETURN(req, hinfo.physical_cpu_max));
+                       return SYSCTL_RETURN(req, hinfo.physical_cpu_max);

                } else {
                } else {

-                       return(EINVAL);
+                       return EINVAL;

                }
        case HW_LOCAL_LOGICALCPU:
                if (kret == KERN_SUCCESS) {
                }
        case HW_LOCAL_LOGICALCPU:
                if (kret == KERN_SUCCESS) {

-                       return(SYSCTL_RETURN(req, hinfo.logical_cpu));
+                       return SYSCTL_RETURN(req, hinfo.logical_cpu);

                } else {
                } else {

-                       return(EINVAL);
+                       return EINVAL;

                }
        case HW_LOCAL_LOGICALCPUMAX:
                if (kret == KERN_SUCCESS) {
                }
        case HW_LOCAL_LOGICALCPUMAX:
                if (kret == KERN_SUCCESS) {

-                       return(SYSCTL_RETURN(req, hinfo.logical_cpu_max));
+                       return SYSCTL_RETURN(req, hinfo.logical_cpu_max);

                } else {
                } else {

-                       return(EINVAL);
+                       return EINVAL;

                }
                }

+       case HW_PAGESIZE:
+       {
+               vm_map_t map = get_task_map(current_task());
+               val = vm_map_page_size(map);
+               qval = (long long)val;
+               break;
+       }

        case HW_CACHELINE:
                val = cpu_info.cache_line_size;
                qval = (long long)val;
        case HW_CACHELINE:
                val = cpu_info.cache_line_size;
                qval = (long long)val;


@@ -232,105 +276,247 @@ sysctl_hw_generic SYSCTL_HANDLER_ARGS
                qval = (long long)val;
                break;
        case HW_L2CACHESIZE:
                qval = (long long)val;
                break;
        case HW_L2CACHESIZE:

-               if (cpu_info.l2_cache_size == 0xFFFFFFFF)
-                       return(EINVAL);
+               if (cpu_info.l2_cache_size == 0xFFFFFFFF) {
+                       return EINVAL;
+               }

                val = cpu_info.l2_cache_size;
                qval = (long long)val;
                break;
        case HW_L3CACHESIZE:
                val = cpu_info.l2_cache_size;
                qval = (long long)val;
                break;
        case HW_L3CACHESIZE:

-               if (cpu_info.l3_cache_size == 0xFFFFFFFF)
-                       return(EINVAL);
+               if (cpu_info.l3_cache_size == 0xFFFFFFFF) {
+                       return EINVAL;
+               }

                val = cpu_info.l3_cache_size;
                qval = (long long)val;
                break;
 
                val = cpu_info.l3_cache_size;
                qval = (long long)val;
                break;
 

-               /*
-                * Deprecated variables.  We still support these for
-                * backwards compatibility purposes only.
-                */
+       /*
+        * Deprecated variables.  We still support these for
+        * backwards compatibility purposes only.
+        */

        case HW_MACHINE:
                bzero(dummy, sizeof(dummy));
        case HW_MACHINE:
                bzero(dummy, sizeof(dummy));

-               if(!PEGetMachineName(dummy,64))
-                       return(EINVAL);
+               if (!PEGetMachineName(dummy, 64)) {
+                       return EINVAL;
+               }

                dummy[64] = 0;
                dummy[64] = 0;

-               return(SYSCTL_OUT(req, dummy, strlen(dummy) + 1));
+               return SYSCTL_OUT(req, dummy, strlen(dummy) + 1);

        case HW_MODEL:
                bzero(dummy, sizeof(dummy));
        case HW_MODEL:
                bzero(dummy, sizeof(dummy));

-               if(!PEGetModelName(dummy,64))
-                       return(EINVAL);
+               if (!PEGetModelName(dummy, 64)) {
+                       return EINVAL;
+               }

                dummy[64] = 0;
                dummy[64] = 0;

-               return(SYSCTL_OUT(req, dummy, strlen(dummy) + 1));
+               return SYSCTL_OUT(req, dummy, strlen(dummy) + 1);

        case HW_USERMEM:
        case HW_USERMEM:

-               {
+       {

                int usermem = mem_size - vm_page_wire_count * page_size;
 
                int usermem = mem_size - vm_page_wire_count * page_size;
 

-                       return(SYSCTL_RETURN(req, usermem));
-               }
+               return SYSCTL_RETURN(req, usermem);
+       }

        case HW_EPOCH:
        case HW_EPOCH:

-               epochTemp = PEGetPlatformEpoch();
-               if (epochTemp == -1)
-                       return(EINVAL);
-               return(SYSCTL_RETURN(req, epochTemp));
-       case HW_VECTORUNIT:
-               return(SYSCTL_RETURN(req, cpu_info.vector_unit));
+               epochTemp = PEGetPlatformEpoch();
+               if (epochTemp == -1) {
+                       return EINVAL;
+               }
+               return SYSCTL_RETURN(req, epochTemp);
+       case HW_VECTORUNIT: {
+               int vector = cpu_info.vector_unit == 0? 0 : 1;
+               return SYSCTL_RETURN(req, vector);
+       }

        case HW_L2SETTINGS:
        case HW_L2SETTINGS:

-               if (cpu_info.l2_cache_size == 0xFFFFFFFF)
-                       return(EINVAL);
-               return(SYSCTL_RETURN(req, cpu_info.l2_settings));
+               if (cpu_info.l2_cache_size == 0xFFFFFFFF) {
+                       return EINVAL;
+               }
+               return SYSCTL_RETURN(req, cpu_info.l2_settings);

        case HW_L3SETTINGS:
        case HW_L3SETTINGS:

-               if (cpu_info.l3_cache_size == 0xFFFFFFFF)
-                       return(EINVAL);
-               return(SYSCTL_RETURN(req, cpu_info.l3_settings));
+               if (cpu_info.l3_cache_size == 0xFFFFFFFF) {
+                       return EINVAL;
+               }
+               return SYSCTL_RETURN(req, cpu_info.l3_settings);

        default:
        default:

-               return(ENOTSUP);
+               return ENOTSUP;

        }
        /*
         * Callers may come to us with either int or quad buffers.
         */
        if (doquad) {
        }
        /*
         * Callers may come to us with either int or quad buffers.
         */
        if (doquad) {

-               return(SYSCTL_RETURN(req, qval));
+               return SYSCTL_RETURN(req, qval);
+       }
+       return SYSCTL_RETURN(req, val);
+}
+
+/* hw.pagesize and hw.tbfrequency are expected as 64 bit values */
+static int
+sysctl_pagesize
+(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+       vm_map_t map = get_task_map(current_task());
+       long long l = vm_map_page_size(map);
+       return sysctl_io_number(req, l, sizeof(l), NULL, NULL);
+}
+
+static int
+sysctl_pagesize32
+(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+       long long l;
+#if __arm64__
+       l = (long long) (1 << page_shift_user32);
+#else /* __arm64__ */
+       l = (long long) PAGE_SIZE;
+#endif /* __arm64__ */
+       return sysctl_io_number(req, l, sizeof(l), NULL, NULL);
+}
+
+static int
+sysctl_tbfrequency
+(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+       long long l = gPEClockFrequencyInfo.timebase_frequency_hz;
+       return sysctl_io_number(req, l, sizeof(l), NULL, NULL);
+}
+
+/*
+ * Create sysctl entries coming from device tree.
+ *
+ * Entries from device tree are loaded here because DTLookupEntry() only works before
+ * PE_init_iokit(). Doing this also avoids the extern-C hackery to access these entries
+ * from IORegistry (which requires C++).
+ */
+void
+sysctl_load_devicetree_entries(void)
+{
+       DTEntry chosen;
+       void *value;
+       unsigned int size;
+
+       if (kSuccess != DTLookupEntry(0, "/chosen", &chosen)) {
+               return;
+       }
+
+       /* load osenvironment */
+       if (kSuccess == DTGetProperty(chosen, "osenvironment", (void **) &value, &size)) {
+               MALLOC(osenvironment, char *, size, M_TEMP, M_WAITOK);
+               if (osenvironment) {
+                       memcpy(osenvironment, value, size);
+                       osenvironment_size = size;
+               }
+       }
+
+       /* load ephemeral_storage */
+       if (kSuccess == DTGetProperty(chosen, "ephemeral-storage", (void **) &value, &size)) {
+               if (size == sizeof(uint32_t)) {
+                       ephemeral_storage = *(uint32_t *)value;
+                       property_existence.ephemeral_storage = 1;
+               }
+       }
+
+       /* load use_recovery_securityd */
+       if (kSuccess == DTGetProperty(chosen, "use-recovery-securityd", (void **) &value, &size)) {
+               if (size == sizeof(uint32_t)) {
+                       use_recovery_securityd = *(uint32_t *)value;
+                       property_existence.use_recovery_securityd = 1;
+               }
+       }
+}
+
+static int
+sysctl_osenvironment
+(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+       if (osenvironment_size > 0) {
+               return SYSCTL_OUT(req, osenvironment, osenvironment_size);
+       } else {
+               return EINVAL;
+       }
+}
+
+static int
+sysctl_ephemeral_storage
+(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+       if (property_existence.ephemeral_storage) {
+               return SYSCTL_OUT(req, &ephemeral_storage, sizeof(ephemeral_storage));
+       } else {
+               return EINVAL;
+       }
+}
+
+static int
+sysctl_use_recovery_securityd
+(__unused struct sysctl_oid *oidp, __unused void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+       if (property_existence.use_recovery_securityd) {
+               return SYSCTL_OUT(req, &use_recovery_securityd, sizeof(use_recovery_securityd));
+       } else {
+               return EINVAL;

        }
        }

-       return(SYSCTL_RETURN(req, val));

 }
 
 /*
  * hw.* MIB variables.
  */
 }
 
 /*
  * hw.* MIB variables.
  */

-SYSCTL_PROC    (_hw, HW_NCPU, ncpu, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN, 0, HW_NCPU, sysctl_hw_generic, "I", "");
-SYSCTL_PROC    (_hw, HW_AVAILCPU, activecpu, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN, 0, HW_AVAILCPU, sysctl_hw_generic, "I", "");
-SYSCTL_PROC    (_hw, OID_AUTO, physicalcpu, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN, 0, HW_LOCAL_PHYSICALCPU, sysctl_hw_generic, "I", "");
-SYSCTL_PROC    (_hw, OID_AUTO, physicalcpu_max, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN, 0, HW_LOCAL_PHYSICALCPUMAX, sysctl_hw_generic, "I", "");
-SYSCTL_PROC    (_hw, OID_AUTO, logicalcpu, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN, 0, HW_LOCAL_LOGICALCPU, sysctl_hw_generic, "I", "");
-SYSCTL_PROC    (_hw, OID_AUTO, logicalcpu_max, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN, 0, HW_LOCAL_LOGICALCPUMAX, sysctl_hw_generic, "I", "");
-SYSCTL_INT     (_hw, HW_BYTEORDER, byteorder, CTLFLAG_RD | CTLFLAG_KERN, NULL, BYTE_ORDER, "");
-SYSCTL_INT     (_hw, OID_AUTO, cputype, CTLFLAG_RD | CTLFLAG_KERN, &cputype, 0, "");
-SYSCTL_INT     (_hw, OID_AUTO, cpusubtype, CTLFLAG_RD | CTLFLAG_KERN, &cpusubtype, 0, "");
-SYSCTL_INT2QUAD(_hw, OID_AUTO, pagesize, CTLFLAG_RD | CTLFLAG_KERN, &page_size, "");
-SYSCTL_QUAD    (_hw, OID_AUTO, busfrequency, CTLFLAG_RD | CTLFLAG_KERN, &gPEClockFrequencyInfo.bus_frequency_hz, "");
-SYSCTL_QUAD    (_hw, OID_AUTO, busfrequency_min, CTLFLAG_RD | CTLFLAG_KERN, &gPEClockFrequencyInfo.bus_frequency_min_hz, "");
-SYSCTL_QUAD    (_hw, OID_AUTO, busfrequency_max, CTLFLAG_RD | CTLFLAG_KERN, &gPEClockFrequencyInfo.bus_frequency_max_hz, "");
-SYSCTL_QUAD    (_hw, OID_AUTO, cpufrequency, CTLFLAG_RD | CTLFLAG_KERN, &gPEClockFrequencyInfo.cpu_frequency_hz, "");
-SYSCTL_QUAD    (_hw, OID_AUTO, cpufrequency_min, CTLFLAG_RD | CTLFLAG_KERN, &gPEClockFrequencyInfo.cpu_frequency_min_hz, "");
-SYSCTL_QUAD    (_hw, OID_AUTO, cpufrequency_max, CTLFLAG_RD | CTLFLAG_KERN, &gPEClockFrequencyInfo.cpu_frequency_max_hz, "");
-SYSCTL_PROC    (_hw, OID_AUTO, cachelinesize, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN, 0, HW_CACHELINE | CTLHW_RETQUAD, sysctl_hw_generic, "Q", "");
-SYSCTL_PROC    (_hw, OID_AUTO, l1icachesize, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN, 0, HW_L1ICACHESIZE | CTLHW_RETQUAD, sysctl_hw_generic, "Q", "");
-SYSCTL_PROC    (_hw, OID_AUTO, l1dcachesize, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN, 0, HW_L1DCACHESIZE | CTLHW_RETQUAD, sysctl_hw_generic, "Q", "");
-SYSCTL_PROC    (_hw, OID_AUTO, l2cachesize, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN, 0, HW_L2CACHESIZE | CTLHW_RETQUAD, sysctl_hw_generic, "Q", "");
-SYSCTL_PROC    (_hw, OID_AUTO, l3cachesize, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN, 0, HW_L3CACHESIZE | CTLHW_RETQUAD, sysctl_hw_generic, "Q", "");
-SYSCTL_INT2QUAD(_hw, OID_AUTO, tbfrequency, CTLFLAG_RD | CTLFLAG_KERN, &gPEClockFrequencyInfo.timebase_frequency_hz, "");
-SYSCTL_QUAD    (_hw, HW_MEMSIZE, memsize, CTLFLAG_RD | CTLFLAG_KERN, &max_mem, "");
+SYSCTL_PROC(_hw, HW_NCPU, ncpu, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_NCPU, sysctl_hw_generic, "I", "");
+SYSCTL_PROC(_hw, HW_AVAILCPU, activecpu, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_AVAILCPU, sysctl_hw_generic, "I", "");
+SYSCTL_PROC(_hw, OID_AUTO, physicalcpu, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_LOCAL_PHYSICALCPU, sysctl_hw_generic, "I", "");
+SYSCTL_PROC(_hw, OID_AUTO, physicalcpu_max, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_LOCAL_PHYSICALCPUMAX, sysctl_hw_generic, "I", "");
+SYSCTL_PROC(_hw, OID_AUTO, logicalcpu, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_LOCAL_LOGICALCPU, sysctl_hw_generic, "I", "");
+SYSCTL_PROC(_hw, OID_AUTO, logicalcpu_max, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_LOCAL_LOGICALCPUMAX, sysctl_hw_generic, "I", "");
+SYSCTL_INT(_hw, HW_BYTEORDER, byteorder, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (int *)NULL, BYTE_ORDER, "");
+SYSCTL_INT(_hw, OID_AUTO, cputype, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &cputype, 0, "");
+SYSCTL_INT(_hw, OID_AUTO, cpusubtype, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &cpusubtype, 0, "");
+SYSCTL_INT(_hw, OID_AUTO, cpu64bit_capable, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &cpu64bit, 0, "");
+SYSCTL_INT(_hw, OID_AUTO, cpufamily, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &cpufamily, 0, "");
+SYSCTL_OPAQUE(_hw, OID_AUTO, cacheconfig, CTLFLAG_RD | CTLFLAG_LOCKED, &cacheconfig, sizeof(cacheconfig), "Q", "");
+SYSCTL_OPAQUE(_hw, OID_AUTO, cachesize, CTLFLAG_RD | CTLFLAG_LOCKED, &cachesize, sizeof(cachesize), "Q", "");
+SYSCTL_PROC(_hw, OID_AUTO, pagesize, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, 0, sysctl_pagesize, "Q", "");
+SYSCTL_PROC(_hw, OID_AUTO, pagesize32, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, 0, sysctl_pagesize32, "Q", "");
+#if DEBUG || DEVELOPMENT || (!defined(__arm__) && !defined(__arm64__))
+SYSCTL_QUAD(_hw, OID_AUTO, busfrequency, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.bus_frequency_hz, "");
+SYSCTL_QUAD(_hw, OID_AUTO, busfrequency_min, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.bus_frequency_min_hz, "");
+SYSCTL_QUAD(_hw, OID_AUTO, busfrequency_max, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.bus_frequency_max_hz, "");
+SYSCTL_QUAD(_hw, OID_AUTO, cpufrequency, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.cpu_frequency_hz, "");
+SYSCTL_QUAD(_hw, OID_AUTO, cpufrequency_min, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.cpu_frequency_min_hz, "");
+SYSCTL_QUAD(_hw, OID_AUTO, cpufrequency_max, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.cpu_frequency_max_hz, "");
+#endif
+SYSCTL_PROC(_hw, OID_AUTO, cachelinesize, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_CACHELINE | CTLHW_RETQUAD, sysctl_hw_generic, "Q", "");
+SYSCTL_PROC(_hw, OID_AUTO, l1icachesize, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_L1ICACHESIZE | CTLHW_RETQUAD, sysctl_hw_generic, "Q", "");
+SYSCTL_PROC(_hw, OID_AUTO, l1dcachesize, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_L1DCACHESIZE | CTLHW_RETQUAD, sysctl_hw_generic, "Q", "");
+SYSCTL_PROC(_hw, OID_AUTO, l2cachesize, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_L2CACHESIZE | CTLHW_RETQUAD, sysctl_hw_generic, "Q", "");
+SYSCTL_PROC(_hw, OID_AUTO, l3cachesize, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, HW_L3CACHESIZE | CTLHW_RETQUAD, sysctl_hw_generic, "Q", "");
+#if (defined(__arm__) || defined(__arm64__)) && (DEBUG || DEVELOPMENT)
+SYSCTL_QUAD(_hw, OID_AUTO, memfrequency, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.mem_frequency_hz, "");
+SYSCTL_QUAD(_hw, OID_AUTO, memfrequency_min, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.mem_frequency_min_hz, "");
+SYSCTL_QUAD(_hw, OID_AUTO, memfrequency_max, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.mem_frequency_max_hz, "");
+SYSCTL_QUAD(_hw, OID_AUTO, prffrequency, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.prf_frequency_hz, "");
+SYSCTL_QUAD(_hw, OID_AUTO, prffrequency_min, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.prf_frequency_min_hz, "");
+SYSCTL_QUAD(_hw, OID_AUTO, prffrequency_max, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.prf_frequency_max_hz, "");
+SYSCTL_QUAD(_hw, OID_AUTO, fixfrequency, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.fix_frequency_hz, "");
+#endif /* __arm__ || __arm64__ */
+SYSCTL_PROC(_hw, OID_AUTO, tbfrequency, CTLTYPE_QUAD | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, 0, sysctl_tbfrequency, "Q", "");
+SYSCTL_QUAD(_hw, HW_MEMSIZE, memsize, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &max_mem, "");
+SYSCTL_INT(_hw, OID_AUTO, packages, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &packages, 0, "");
+SYSCTL_PROC(_hw, OID_AUTO, osenvironment, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, 0, sysctl_osenvironment, "A", "");
+SYSCTL_PROC(_hw, OID_AUTO, ephemeral_storage, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, 0, sysctl_ephemeral_storage, "I", "");
+SYSCTL_PROC(_hw, OID_AUTO, use_recovery_securityd, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, 0, 0, sysctl_use_recovery_securityd, "I", "");

 
 /*
 
 /*

- * Optional features can register nodes below hw.optional.
+ * Optional CPU features can register nodes below hw.optional.

  *
  * If the feature is not present, the node should either not be registered,
  * or it should return -1.  If the feature is present, the node should return
  *
  * If the feature is not present, the node should either not be registered,
  * or it should return -1.  If the feature is present, the node should return

- * 0.  If the feature is present and its use is advised, the node should 
+ * 0.  If the feature is present and its use is advised, the node should

  * return 1.
  */
  * return 1.
  */

-SYSCTL_NODE(_hw, OID_AUTO, optional, CTLFLAG_RW, NULL, "optional features");
+SYSCTL_NODE(_hw, OID_AUTO, optional, CTLFLAG_RW | CTLFLAG_LOCKED, NULL, "optional features");

 
 

-SYSCTL_INT(_hw_optional, OID_AUTO, floatingpoint, CTLFLAG_RD | CTLFLAG_KERN, 0, 1, "");        /* always set */
+SYSCTL_INT(_hw_optional, OID_AUTO, floatingpoint, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (int *)NULL, 1, "");      /* always set */
+
+/*
+ * Optional device hardware features can be registered by drivers below hw.features
+ */
+SYSCTL_NODE(_hw, OID_AUTO, features, CTLFLAG_RD | CTLFLAG_LOCKED, NULL, "hardware features");

 
 /*
  * Deprecated variables.  These are supported for backwards compatibility
 
 /*
  * Deprecated variables.  These are supported for backwards compatibility


@@ -344,23 +530,114 @@ SYSCTL_INT(_hw_optional, OID_AUTO, floatingpoint, CTLFLAG_RD | CTLFLAG_KERN, 0,
  *
  * The *_compat nodes are *NOT* visible within the kernel.
  */
  *
  * The *_compat nodes are *NOT* visible within the kernel.
  */

-SYSCTL_INT (_hw, HW_PAGESIZE,     pagesize_compat, CTLFLAG_RD | CTLFLAG_MASKED, &page_size, 0, "");
-SYSCTL_INT (_hw, HW_BUS_FREQ,     busfrequency_compat, CTLFLAG_RD | CTLFLAG_MASKED, &gPEClockFrequencyInfo.bus_clock_rate_hz, 0, "");
-SYSCTL_INT (_hw, HW_CPU_FREQ,     cpufrequency_compat, CTLFLAG_RD | CTLFLAG_MASKED, &gPEClockFrequencyInfo.cpu_clock_rate_hz, 0, "");
-SYSCTL_PROC(_hw, HW_CACHELINE,    cachelinesize_compat, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED, 0, HW_CACHELINE, sysctl_hw_generic, "I", "");
-SYSCTL_PROC(_hw, HW_L1ICACHESIZE, l1icachesize_compat, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED, 0, HW_L1ICACHESIZE, sysctl_hw_generic, "I", "");
-SYSCTL_PROC(_hw, HW_L1DCACHESIZE, l1dcachesize_compat, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED, 0, HW_L1DCACHESIZE, sysctl_hw_generic, "I", "");
-SYSCTL_PROC(_hw, HW_L2CACHESIZE,  l2cachesize_compat, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED, 0, HW_L2CACHESIZE, sysctl_hw_generic, "I", "");
-SYSCTL_PROC(_hw, HW_L3CACHESIZE,  l3cachesize_compat, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED, 0, HW_L3CACHESIZE, sysctl_hw_generic, "I", "");
-SYSCTL_INT (_hw, HW_TB_FREQ,      tbfrequency_compat, CTLFLAG_RD | CTLFLAG_MASKED, &gPEClockFrequencyInfo.timebase_frequency_hz, 0, "");
-SYSCTL_PROC(_hw, HW_MACHINE,      machine, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MASKED, 0, HW_MACHINE, sysctl_hw_generic, "A", "");
-SYSCTL_PROC(_hw, HW_MODEL,        model, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MASKED, 0, HW_MODEL, sysctl_hw_generic, "A", "");
-SYSCTL_UINT(_hw, HW_PHYSMEM,      physmem, CTLFLAG_RD | CTLFLAG_MASKED, &mem_size, 0, "");
-SYSCTL_PROC(_hw, HW_USERMEM,      usermem, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED, 0, HW_USERMEM,   sysctl_hw_generic, "I", "");
-SYSCTL_PROC(_hw, HW_EPOCH,        epoch, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED, 0, HW_EPOCH, sysctl_hw_generic, "I", "");
-SYSCTL_PROC(_hw, HW_VECTORUNIT,   vectorunit, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED, 0, HW_VECTORUNIT, sysctl_hw_generic, "I", "");
-SYSCTL_PROC(_hw, HW_L2SETTINGS,   l2settings, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED, 0, HW_L2SETTINGS, sysctl_hw_generic, "I", "");
-SYSCTL_PROC(_hw, HW_L3SETTINGS,   l3settings, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED, 0, HW_L3SETTINGS, sysctl_hw_generic, "I", "");
+SYSCTL_PROC(_hw, HW_PAGESIZE, pagesize_compat, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_PAGESIZE, sysctl_hw_generic, "I", "");
+#if DEBUG || DEVELOPMENT || (!defined(__arm__) && !defined(__arm64__))
+SYSCTL_COMPAT_INT(_hw, HW_BUS_FREQ, busfrequency_compat, CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.bus_clock_rate_hz, 0, "");
+SYSCTL_COMPAT_INT(_hw, HW_CPU_FREQ, cpufrequency_compat, CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.cpu_clock_rate_hz, 0, "");
+#endif
+SYSCTL_PROC(_hw, HW_CACHELINE, cachelinesize_compat, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_CACHELINE, sysctl_hw_generic, "I", "");
+SYSCTL_PROC(_hw, HW_L1ICACHESIZE, l1icachesize_compat, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_L1ICACHESIZE, sysctl_hw_generic, "I", "");
+SYSCTL_PROC(_hw, HW_L1DCACHESIZE, l1dcachesize_compat, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_L1DCACHESIZE, sysctl_hw_generic, "I", "");
+SYSCTL_PROC(_hw, HW_L2CACHESIZE, l2cachesize_compat, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_L2CACHESIZE, sysctl_hw_generic, "I", "");
+SYSCTL_PROC(_hw, HW_L3CACHESIZE, l3cachesize_compat, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_L3CACHESIZE, sysctl_hw_generic, "I", "");
+SYSCTL_COMPAT_INT(_hw, HW_TB_FREQ, tbfrequency_compat, CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, &gPEClockFrequencyInfo.timebase_frequency_hz, 0, "");
+SYSCTL_PROC(_hw, HW_MACHINE, machine, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_MACHINE, sysctl_hw_generic, "A", "");
+SYSCTL_PROC(_hw, HW_MODEL, model, CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_MODEL, sysctl_hw_generic, "A", "");
+SYSCTL_COMPAT_UINT(_hw, HW_PHYSMEM, physmem, CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, &mem_size, 0, "");
+SYSCTL_PROC(_hw, HW_USERMEM, usermem, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_USERMEM, sysctl_hw_generic, "I", "");
+SYSCTL_PROC(_hw, HW_EPOCH, epoch, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_EPOCH, sysctl_hw_generic, "I", "");
+SYSCTL_PROC(_hw, HW_VECTORUNIT, vectorunit, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_VECTORUNIT, sysctl_hw_generic, "I", "");
+SYSCTL_PROC(_hw, HW_L2SETTINGS, l2settings, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_L2SETTINGS, sysctl_hw_generic, "I", "");
+SYSCTL_PROC(_hw, HW_L3SETTINGS, l3settings, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MASKED | CTLFLAG_LOCKED, 0, HW_L3SETTINGS, sysctl_hw_generic, "I", "");
+SYSCTL_INT(_hw, OID_AUTO, cputhreadtype, CTLFLAG_RD | CTLFLAG_NOAUTO | CTLFLAG_KERN | CTLFLAG_LOCKED, &cputhreadtype, 0, "");
+
+#if defined(__i386__) || defined(__x86_64__)
+static int
+sysctl_cpu_capability
+(__unused struct sysctl_oid *oidp, void *arg1, __unused int arg2, struct sysctl_req *req)
+{
+       uint64_t        mask = (uint64_t) (uintptr_t) arg1;
+       boolean_t       is_capable = (_get_cpu_capabilities() & mask) != 0;
+
+       return SYSCTL_OUT(req, &is_capable, sizeof(is_capable));
+}
+
+SYSCTL_PROC(_hw_optional, OID_AUTO, mmx, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasMMX, 0, sysctl_cpu_capability, "I", "");
+SYSCTL_PROC(_hw_optional, OID_AUTO, sse, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasSSE, 0, sysctl_cpu_capability, "I", "");
+SYSCTL_PROC(_hw_optional, OID_AUTO, sse2, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasSSE2, 0, sysctl_cpu_capability, "I", "");
+SYSCTL_PROC(_hw_optional, OID_AUTO, sse3, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasSSE3, 0, sysctl_cpu_capability, "I", "");
+SYSCTL_PROC(_hw_optional, OID_AUTO, supplementalsse3, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasSupplementalSSE3, 0, sysctl_cpu_capability, "I", "");
+SYSCTL_PROC(_hw_optional, OID_AUTO, sse4_1, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasSSE4_1, 0, sysctl_cpu_capability, "I", "");
+SYSCTL_PROC(_hw_optional, OID_AUTO, sse4_2, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasSSE4_2, 0, sysctl_cpu_capability, "I", "");
+/* "x86_64" is actually a preprocessor symbol on the x86_64 kernel, so we have to hack this */
+#undef x86_64
+SYSCTL_PROC(_hw_optional, OID_AUTO, x86_64, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) k64Bit, 0, sysctl_cpu_capability, "I", "");
+SYSCTL_PROC(_hw_optional, OID_AUTO, aes, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasAES, 0, sysctl_cpu_capability, "I", "");
+SYSCTL_PROC(_hw_optional, OID_AUTO, avx1_0, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasAVX1_0, 0, sysctl_cpu_capability, "I", "");
+SYSCTL_PROC(_hw_optional, OID_AUTO, rdrand, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasRDRAND, 0, sysctl_cpu_capability, "I", "");
+SYSCTL_PROC(_hw_optional, OID_AUTO, f16c, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasF16C, 0, sysctl_cpu_capability, "I", "");
+SYSCTL_PROC(_hw_optional, OID_AUTO, enfstrg, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasENFSTRG, 0, sysctl_cpu_capability, "I", "");
+SYSCTL_PROC(_hw_optional, OID_AUTO, fma, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasFMA, 0, sysctl_cpu_capability, "I", "");
+SYSCTL_PROC(_hw_optional, OID_AUTO, avx2_0, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasAVX2_0, 0, sysctl_cpu_capability, "I", "");
+SYSCTL_PROC(_hw_optional, OID_AUTO, bmi1, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasBMI1, 0, sysctl_cpu_capability, "I", "");
+SYSCTL_PROC(_hw_optional, OID_AUTO, bmi2, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasBMI2, 0, sysctl_cpu_capability, "I", "");
+SYSCTL_PROC(_hw_optional, OID_AUTO, rtm, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasRTM, 0, sysctl_cpu_capability, "I", "");
+SYSCTL_PROC(_hw_optional, OID_AUTO, hle, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasHLE, 0, sysctl_cpu_capability, "I", "");
+SYSCTL_PROC(_hw_optional, OID_AUTO, adx, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasADX, 0, sysctl_cpu_capability, "I", "");
+SYSCTL_PROC(_hw_optional, OID_AUTO, mpx, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasMPX, 0, sysctl_cpu_capability, "I", "");
+SYSCTL_PROC(_hw_optional, OID_AUTO, sgx, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasSGX, 0, sysctl_cpu_capability, "I", "");
+#if !defined(RC_HIDE_XNU_J137)
+SYSCTL_PROC(_hw_optional, OID_AUTO, avx512f, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasAVX512F, 0, sysctl_cpu_capability, "I", "");
+SYSCTL_PROC(_hw_optional, OID_AUTO, avx512cd, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasAVX512CD, 0, sysctl_cpu_capability, "I", "");
+SYSCTL_PROC(_hw_optional, OID_AUTO, avx512dq, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasAVX512DQ, 0, sysctl_cpu_capability, "I", "");
+SYSCTL_PROC(_hw_optional, OID_AUTO, avx512bw, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasAVX512BW, 0, sysctl_cpu_capability, "I", "");
+SYSCTL_PROC(_hw_optional, OID_AUTO, avx512vl, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasAVX512VL, 0, sysctl_cpu_capability, "I", "");
+SYSCTL_PROC(_hw_optional, OID_AUTO, avx512ifma, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasAVX512IFMA, 0, sysctl_cpu_capability, "I", "");
+SYSCTL_PROC(_hw_optional, OID_AUTO, avx512vbmi, CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, (void *) kHasAVX512VBMI, 0, sysctl_cpu_capability, "I", "");
+#endif /* not RC_HIDE_XNU_J137 */
+#elif defined (__arm__) || defined (__arm64__)
+int watchpoint_flag = -1;
+int breakpoint_flag = -1;
+int gNeon = -1;
+int gNeonHpfp = -1;
+int gNeonFp16 = -1;
+int gARMv81Atomics = 0;
+int gARMv8Crc32 = 0;
+int gARMv82FHM = 0;
+
+#if defined (__arm__)
+int arm64_flag = 0;
+#elif defined (__arm64__) /* end __arm__*/
+int arm64_flag = 1;
+#else /* end __arm64__*/
+int arm64_flag = -1;
+#endif
+
+SYSCTL_INT(_hw_optional, OID_AUTO, watchpoint, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &watchpoint_flag, 0, "");
+SYSCTL_INT(_hw_optional, OID_AUTO, breakpoint, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &breakpoint_flag, 0, "");
+SYSCTL_INT(_hw_optional, OID_AUTO, neon, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &gNeon, 0, "");
+SYSCTL_INT(_hw_optional, OID_AUTO, neon_hpfp, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &gNeonHpfp, 0, "");
+SYSCTL_INT(_hw_optional, OID_AUTO, neon_fp16, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &gNeonFp16, 0, "");
+SYSCTL_INT(_hw_optional, OID_AUTO, armv8_1_atomics, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &gARMv81Atomics, 0, "");
+SYSCTL_INT(_hw_optional, OID_AUTO, armv8_crc32, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &gARMv8Crc32, 0, "");
+SYSCTL_INT(_hw_optional, OID_AUTO, armv8_2_fhm, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &gARMv82FHM, 0, "");
+
+/*
+ * Without this little ifdef dance, the preprocessor replaces "arm64" with "1",
+ * leaving us with a less-than-helpful sysctl.hwoptional.1.
+ */
+#ifdef arm64
+#undef arm64
+SYSCTL_INT(_hw_optional, OID_AUTO, arm64, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &arm64_flag, 0, "");
+#define arm64 1
+#else
+SYSCTL_INT(_hw_optional, OID_AUTO, arm64, CTLFLAG_RD | CTLFLAG_KERN | CTLFLAG_LOCKED, &arm64_flag, 0, "");
+#endif
+
+#else
+#error Unsupported arch
+#endif /* !__i386__ && !__x86_64 && !__arm__ && ! __arm64__ */
+

 
 /******************************************************************************
  * Generic MIB initialisation.
 
 /******************************************************************************
  * Generic MIB initialisation.


@@ -374,6 +651,13 @@ sysctl_mib_init(void)
        cputype = cpu_type();
        cpusubtype = cpu_subtype();
        cputhreadtype = cpu_threadtype();
        cputype = cpu_type();
        cpusubtype = cpu_subtype();
        cputhreadtype = cpu_threadtype();

+#if defined(__i386__) || defined (__x86_64__)
+       cpu64bit = (_get_cpu_capabilities() & k64Bit) == k64Bit;
+#elif defined(__arm__) || defined (__arm64__)
+       cpu64bit = (cputype & CPU_ARCH_ABI64) == CPU_ARCH_ABI64;
+#else
+#error Unsupported arch
+#endif

 
        /*
         * Populate the optional portion of the hw.* MIB.
 
        /*
         * Populate the optional portion of the hw.* MIB.


@@ -384,92 +668,60 @@ sysctl_mib_init(void)
         */
 
        if (cputhreadtype != CPU_THREADTYPE_NONE) {
         */
 
        if (cputhreadtype != CPU_THREADTYPE_NONE) {

-               static SYSCTL_INT(_hw, OID_AUTO, cputhreadtype, CTLFLAG_RD | CTLFLAG_NOAUTO | CTLFLAG_KERN, &cputhreadtype, 0, "");

                sysctl_register_oid(&sysctl__hw_cputhreadtype);
        }
 
                sysctl_register_oid(&sysctl__hw_cputhreadtype);
        }
 

-#ifdef __ppc__
-       {
-               static int altivec_flag = -1;
-               static SYSCTL_INT(_hw_optional, OID_AUTO, altivec, CTLFLAG_RD | CTLFLAG_NOAUTO | CTLFLAG_KERN, &altivec_flag, 0, "");
+#if defined (__i386__) || defined (__x86_64__)
+       /* hw.cpufamily */
+       cpufamily = cpuid_cpufamily();

 
 

-               if (_cpu_capabilities & kHasAltivec) {
-                       altivec_flag = 1;
-                       sysctl_register_oid(&sysctl__hw_optional_altivec);
-               }
-       }
-       {
-               static int graphicsops_flag = -1;
-               static SYSCTL_INT(_hw_optional, OID_AUTO, graphicsops, CTLFLAG_RD | CTLFLAG_NOAUTO | CTLFLAG_KERN, &graphicsops_flag, 0, "");
+       /* hw.cacheconfig */
+       cacheconfig[0] = ml_cpu_cache_sharing(0);
+       cacheconfig[1] = ml_cpu_cache_sharing(1);
+       cacheconfig[2] = ml_cpu_cache_sharing(2);
+       cacheconfig[3] = ml_cpu_cache_sharing(3);
+       cacheconfig[4] = 0;

 
 

-               if (_cpu_capabilities & kHasGraphicsOps) {
-                       graphicsops_flag = 1;
-                       sysctl_register_oid(&sysctl__hw_optional_graphicsops);
-               }               
-       }
-       {
-               static int x64bitops_flag = -1;
-               static SYSCTL_INT(_hw_optional, OID_AUTO, 64bitops, CTLFLAG_RD | CTLFLAG_NOAUTO | CTLFLAG_KERN, &x64bitops_flag, 0, "");
+       /* hw.cachesize */
+       cachesize[0] = ml_cpu_cache_size(0);
+       cachesize[1] = ml_cpu_cache_size(1);
+       cachesize[2] = ml_cpu_cache_size(2);
+       cachesize[3] = ml_cpu_cache_size(3);
+       cachesize[4] = 0;

 
 

-               if (_cpu_capabilities & k64Bit) {
-                       x64bitops_flag = 1;
-                       sysctl_register_oid(&sysctl__hw_optional_64bitops);
-               }               
-       }
-       {
-               static int fsqrt_flag = -1;
-               static SYSCTL_INT(_hw_optional, OID_AUTO, fsqrt, CTLFLAG_RD | CTLFLAG_NOAUTO | CTLFLAG_KERN, &fsqrt_flag, 0, "");
+       /* hw.packages */
+       packages = roundup(ml_cpu_cache_sharing(0), cpuid_info()->thread_count)
+           / cpuid_info()->thread_count;

 
 

-               if (_cpu_capabilities & kHasFsqrt) {
-                       fsqrt_flag = 1;
-                       sysctl_register_oid(&sysctl__hw_optional_fsqrt);
-               }               
-       }
-       {
-               static int stfiwx_flag = -1;
-               static SYSCTL_INT(_hw_optional, OID_AUTO, stfiwx, CTLFLAG_RD | CTLFLAG_NOAUTO | CTLFLAG_KERN, &stfiwx_flag, 0, "");
+#elif defined(__arm__) || defined(__arm64__) /* end __i386 */

 
 

-               if (_cpu_capabilities & kHasStfiwx) {
-                       stfiwx_flag = 1;
-                       sysctl_register_oid(&sysctl__hw_optional_stfiwx);
-               }               
-       }
-       {
-               static int dcba_flag = -1;
-               static SYSCTL_INT(_hw_optional, OID_AUTO, dcba, CTLFLAG_RD | CTLFLAG_NOAUTO | CTLFLAG_KERN, &dcba_flag, 0, "");
-
-               if (_cpu_capabilities & kDcbaAvailable)
-                       dcba_flag = 0;
-               if (_cpu_capabilities & kDcbaRecommended)
-                       dcba_flag = 1;
-               if (dcba_flag >= 0)
-                       sysctl_register_oid(&sysctl__hw_optional_dcba);
-       }
-       {
-               static int datastreams_flag = -1;
-               static SYSCTL_INT(_hw_optional, OID_AUTO, datastreams, CTLFLAG_RD | CTLFLAG_NOAUTO | CTLFLAG_KERN, &datastreams_flag, 0, "");
-
-               if (_cpu_capabilities & kDataStreamsAvailable)
-                       datastreams_flag = 0;
-               if (_cpu_capabilities & kDataStreamsRecommended)
-                       datastreams_flag = 1;
-               if (datastreams_flag >= 0)
-                       sysctl_register_oid(&sysctl__hw_optional_datastreams);
-       }
-       {
-               static int dcbtstreams_flag = -1;
-               static SYSCTL_INT(_hw_optional, OID_AUTO, dcbtstreams, CTLFLAG_RD | CTLFLAG_NOAUTO | CTLFLAG_KERN, &dcbtstreams_flag, 0, "");
-
-               if (_cpu_capabilities & kDcbtStreamsAvailable)
-                       dcbtstreams_flag = 0;
-               if (_cpu_capabilities & kDcbtStreamsRecommended)
-                       dcbtstreams_flag = 1;
-               if (dcbtstreams_flag >= 0)
-                       sysctl_register_oid(&sysctl__hw_optional_dcbtstreams);
-       }
-#else
-# warning we do not support this platform yet
-#endif /* __ppc__ */
+       cpufamily = cpuid_get_cpufamily();
+
+       watchpoint_flag = arm_debug_info()->num_watchpoint_pairs;
+       breakpoint_flag = arm_debug_info()->num_breakpoint_pairs;
+
+       arm_mvfp_info_t *mvfp_info = arm_mvfp_info();
+       gNeon = mvfp_info->neon;
+       gNeonHpfp = mvfp_info->neon_hpfp;
+       gNeonFp16 = mvfp_info->neon_fp16;

 
 

+       cacheconfig[0] = ml_get_max_cpus();
+       cacheconfig[1] = 1;
+       cacheconfig[2] = cache_info()->c_l2size ? 1:0;
+       cacheconfig[3] = 0;
+       cacheconfig[4] = 0;
+       cacheconfig[5] = 0;
+       cacheconfig[6] = 0;

 
 

+       cachesize[0] = ml_get_machine_mem();
+       cachesize[1] = cache_info()->c_dsize; /* Using the DCache */
+       cachesize[2] = cache_info()->c_l2size;
+       cachesize[3] = 0;
+       cachesize[4] = 0;
+
+       packages = 1;
+
+#else
+#error unknown architecture
+#endif /* !__i386__ && !__x86_64 && !__arm__ && !__arm64__ */

 }
 }