-/*
- * hardware related system variables.
- */
-hw_sysctl(name, namelen, oldp, oldlenp, newp, newlen, p)
- int *name;
- u_int namelen;
- void *oldp;
- size_t *oldlenp;
- void *newp;
- size_t newlen;
- struct proc *p;
-{
- char dummy[65];
- int epochTemp;
- extern int vm_page_wire_count;
-#if __ppc__
- ml_ppc_cpu_info_t cpu_info;
-
- ml_ppc_get_info(&cpu_info);
-#endif
-
- /* all sysctl names at this level are terminal */
- if (namelen != 1)
- return (ENOTDIR); /* overloaded */
-
- switch (name[0]) {
- case HW_MACHINE:
- if(!PEGetMachineName(dummy,64))
- return(EINVAL);
- return (sysctl_rdstring(oldp, oldlenp, newp, dummy));
- case HW_MODEL:
- if(!PEGetModelName(dummy,64))
- return(EINVAL);
- return (sysctl_rdstring(oldp, oldlenp, newp, dummy));
- case HW_NCPU: {
- int numcpus=1;
- 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) {
- numcpus = hinfo.avail_cpus;
- return (sysctl_rdint(oldp, oldlenp, newp, numcpus));
- } else {
- return(EINVAL);
- }
- }
- case HW_BYTEORDER:
- return (sysctl_rdint(oldp, oldlenp, newp, BYTE_ORDER));
- case HW_PHYSMEM:
- return (sysctl_rdint(oldp, oldlenp, newp, mem_size));
- case HW_USERMEM:
- return (sysctl_rdint(oldp, oldlenp, newp,
- (mem_size - vm_page_wire_count * page_size)));
- case HW_PAGESIZE:
- return (sysctl_rdint(oldp, oldlenp, newp, page_size));
- case HW_EPOCH:
- epochTemp = PEGetPlatformEpoch();
- if (epochTemp == -1) return(EINVAL);
- return (sysctl_rdint(oldp, oldlenp, newp, epochTemp));
- case HW_BUS_FREQ:
- return (sysctl_rdint(oldp, oldlenp, newp, gPEClockFrequencyInfo.bus_clock_rate_hz));
- case HW_CPU_FREQ:
- return (sysctl_rdint(oldp, oldlenp, newp, gPEClockFrequencyInfo.cpu_clock_rate_hz));
-#if __ppc__
- case HW_VECTORUNIT:
- return (sysctl_rdint(oldp, oldlenp, newp, cpu_info.vector_unit));
- case HW_CACHELINE:
- return (sysctl_rdint(oldp, oldlenp, newp, cpu_info.cache_line_size));
- case HW_L1ICACHESIZE:
- return (sysctl_rdint(oldp, oldlenp, newp, cpu_info.l1_icache_size));
- case HW_L1DCACHESIZE:
- return (sysctl_rdint(oldp, oldlenp, newp, cpu_info.l1_dcache_size));
- case HW_L2SETTINGS:
- if (cpu_info.l2_cache_size == 0xFFFFFFFF) return(EINVAL);
- return (sysctl_rdint(oldp, oldlenp, newp, cpu_info.l2_settings));
- case HW_L2CACHESIZE:
- if (cpu_info.l2_cache_size == 0xFFFFFFFF) return(EINVAL);
- return (sysctl_rdint(oldp, oldlenp, newp, cpu_info.l2_cache_size));
- case HW_L3SETTINGS:
- if (cpu_info.l3_cache_size == 0xFFFFFFFF) return(EINVAL);
- return (sysctl_rdint(oldp, oldlenp, newp, cpu_info.l3_settings));
- case HW_L3CACHESIZE:
- if (cpu_info.l3_cache_size == 0xFFFFFFFF) return(EINVAL);
- return (sysctl_rdint(oldp, oldlenp, newp, cpu_info.l3_cache_size));
-#endif
- default:
- return (EOPNOTSUPP);
- }
-}
-
projects / apple / xnu.git / blobdiff