-#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__ */
-
-
-}
projects / apple / xnu.git / blobdiff