X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/cf03f5cdc65293b4cb5eba3ed23fed26dad903c9..de355530ae67247cbd0da700edb3a2a1dae884c2:/bsd/kern/kern_mib.c?ds=sidebyside diff --git a/bsd/kern/kern_mib.c b/bsd/kern/kern_mib.c index 42db0d01a..d6c43effe 100644 --- a/bsd/kern/kern_mib.c +++ b/bsd/kern/kern_mib.c @@ -3,22 +3,19 @@ * * @APPLE_LICENSE_HEADER_START@ * - * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. + * The contents of this file constitute Original Code as defined in and + * are subject to the Apple Public Source License Version 1.1 (the + * "License"). You may not use this file except in compliance with the + * License. Please obtain a copy of the License at + * http://www.apple.com/publicsource and read it before using this file. * - * 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 - * compliance with the License. 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 + * This 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, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, - * 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 OR NON-INFRINGEMENT. Please see the + * License for the specific language governing rights and limitations + * under the License. * * @APPLE_LICENSE_HEADER_END@ */ @@ -74,41 +71,6 @@ #include #endif -#include /* XXX prune includes */ -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -extern vm_map_t bsd_pageable_map; - -#include -#include - -#include -#include - -#include -#include - - SYSCTL_NODE(, 0, sysctl, CTLFLAG_RW, 0, "Sysctl internal magic"); SYSCTL_NODE(, CTL_KERN, kern, CTLFLAG_RW, 0, @@ -128,310 +90,3 @@ SYSCTL_NODE(, CTL_MACHDEP, machdep, CTLFLAG_RW, 0, SYSCTL_NODE(, CTL_USER, user, CTLFLAG_RW, 0, "user-level"); -#define SYSCTL_RETURN(r, x) SYSCTL_OUT(r, &x, sizeof(x)) - -/****************************************************************************** - * hw.* MIB - */ - -#define CTLHW_RETQUAD (1 << 31) - -/* - * Supporting some variables requires us to do "real" work. We - * gather some of that here. - */ -static int -sysctl_hw_generic SYSCTL_HANDLER_ARGS -{ - char dummy[65]; - int epochTemp; - extern int vm_page_wire_count; - ml_cpu_info_t cpu_info; - int val, doquad; - long long qval; - - /* - * Test and mask off the 'return quad' flag. - * Note that only some things here support it. - */ - doquad = arg2 & CTLHW_RETQUAD; - arg2 &= ~CTLHW_RETQUAD; - - ml_cpu_get_info(&cpu_info); - - /* - * Handle various OIDs. - * - * OIDs that can return int or quad set val and qval and then break. - * Errors and int-only values return inline. - */ - switch (arg2) { - case HW_NCPU: - { - host_basic_info_data_t hinfo; - kern_return_t kret; - int count = HOST_BASIC_INFO_COUNT; -#define BSD_HOST 1 - - kret = host_info(BSD_HOST, HOST_BASIC_INFO, &hinfo, &count); - if (kret == KERN_SUCCESS) { - return(SYSCTL_RETURN(req, hinfo.max_cpus)); - } else { - return(EINVAL); - } - } - case HW_AVAILCPU: - { - host_basic_info_data_t hinfo; - kern_return_t kret; - int count = HOST_BASIC_INFO_COUNT; -#define BSD_HOST 1 - - kret = host_info(BSD_HOST, HOST_BASIC_INFO, &hinfo, &count); - if (kret == KERN_SUCCESS) { - return(SYSCTL_RETURN(req, hinfo.avail_cpus)); - } else { - return(EINVAL); - } - } - case HW_CACHELINE: - val = cpu_info.cache_line_size; - qval = (long long)val; - break; - case HW_L1ICACHESIZE: - val = cpu_info.l1_icache_size; - qval = (long long)val; - break; - case HW_L1DCACHESIZE: - val = cpu_info.l1_dcache_size; - qval = (long long)val; - break; - case HW_L2CACHESIZE: - if (cpu_info.l2_cache_size == 0xFFFFFFFF) - return(EINVAL); - val = cpu_info.l2_cache_size; - qval = (long long)val; - break; - case HW_L3CACHESIZE: - if (cpu_info.l3_cache_size == 0xFFFFFFFF) - return(EINVAL); - val = cpu_info.l3_cache_size; - qval = (long long)val; - break; - - /* - * Deprecated variables. We still support these for - * backwards compatibility purposes only. - */ - case HW_MACHINE: - bzero(dummy, sizeof(dummy)); - if(!PEGetMachineName(dummy,64)) - return(EINVAL); - dummy[64] = 0; - return(SYSCTL_OUT(req, dummy, strlen(dummy) + 1)); - case HW_MODEL: - bzero(dummy, sizeof(dummy)); - if(!PEGetModelName(dummy,64)) - return(EINVAL); - dummy[64] = 0; - return(SYSCTL_OUT(req, dummy, strlen(dummy) + 1)); - case HW_USERMEM: - { - int usermem = mem_size - vm_page_wire_count * page_size; - - return(SYSCTL_RETURN(req, usermem)); - } - 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)); - case HW_L2SETTINGS: - if (cpu_info.l2_cache_size == 0xFFFFFFFF) - return(EINVAL); - return(SYSCTL_RETURN(req, cpu_info.l2_settings)); - case HW_L3SETTINGS: - if (cpu_info.l3_cache_size == 0xFFFFFFFF) - return(EINVAL); - return(SYSCTL_RETURN(req, cpu_info.l3_settings)); - default: - return(ENOTSUP); - } - /* - * Callers may come to us with either int or quad buffers. - */ - if (doquad) { - return(SYSCTL_RETURN(req, qval)); - } - return(SYSCTL_RETURN(req, val)); -} - -/* - * 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_INT (_hw, HW_BYTEORDER, byteorder, CTLFLAG_RD | CTLFLAG_KERN, NULL, BYTE_ORDER, ""); -SYSCTL_INT (_hw, OID_AUTO, cputype, CTLFLAG_RD | CTLFLAG_KERN, &machine_slot[0].cpu_type, 0, ""); -SYSCTL_INT (_hw, OID_AUTO, cpusubtype, CTLFLAG_RD | CTLFLAG_KERN, &machine_slot[0].cpu_subtype, 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, ""); - -/* - * Optional 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 - * 0. If the feature is present and its use is advised, the node should - * return 1. - */ -SYSCTL_NODE(_hw, OID_AUTO, optional, CTLFLAG_RW, NULL, "optional features"); - -SYSCTL_INT(_hw_optional, OID_AUTO, floatingpoint, CTLFLAG_RD | CTLFLAG_KERN, 0, 1, ""); /* always set */ - -/* - * Deprecated variables. These are supported for backwards compatibility - * purposes only. The MASKED flag requests that the variables not be - * printed by sysctl(8) and similar utilities. - * - * The variables named *_compat here are int-sized versions of variables - * that are now exported as quads. The int-sized versions are normally - * looked up only by number, wheras the quad-sized versions should be - * looked up by name. - * - * 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_INT (_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", ""); - -/****************************************************************************** - * Generic MIB initialisation. - * - * This is a hack, and should be replaced with SYSINITs - * at some point. - */ -void -sysctl_mib_init(void) -{ - - /* - * Populate the optional portion of the hw.* MIB. - * - * XXX This could be broken out into parts of the code - * that actually directly relate to the functions in - * question. - */ -#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 (_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, ""); - - 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, ""); - - 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, ""); - - 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, ""); - - 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__ */ - - -}