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Add hw.cpufrequency sysctl
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src/kernel/emulation/linux/misc/sysctl_hw.c
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src/kernel/emulation/linux/misc/sysctl_hw.c
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#include <mach/mach_init.h>
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#include <sys/errno.h>
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#include "sysctl_kern.h"
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#include "sysctl_proc.h"
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#include "../ext/sys/utsname.h"
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extern kern_return_t mach_port_deallocate(ipc_space_t task, mach_port_name_t name);
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_HW_CPUSUBTYPE,
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_HW_CPUTHREADTYPE,
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_HW_64BITCAPABLE,
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_HW_CPUFREQUENCY = 15,
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};
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static sysctl_handler(handle_availcpu);
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static sysctl_handler(handle_cputhreadtype);
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static sysctl_handler(handle_cpu64bitcapable);
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static sysctl_handler(handle_machine);
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static sysctl_handler(handle_cpufrequency);
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const struct known_sysctl sysctls_hw[] = {
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{ .oid = HW_AVAILCPU, .type = CTLTYPE_INT, .exttype = "", .name = "availcpu", .handler = handle_availcpu },
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{ .oid = _HW_CPUTHREADTYPE, .type = CTLTYPE_INT, .exttype = "", .name = "cputhreadtype", .handler = handle_cputhreadtype },
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{ .oid = _HW_64BITCAPABLE, .type = CTLTYPE_INT, .exttype = "", .name = "cpu64bit_capable", .handler = handle_cpu64bitcapable },
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{ .oid = HW_MACHINE, .type = CTLTYPE_STRING, .exttype = "S", .name = "machine", .handler = handle_machine },
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{ .oid = _HW_CPUFREQUENCY, .type = CTLTYPE_INT, .exttype = "", .name = "cpufrequency", .handler = handle_cpufrequency },
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{ .oid = -1 }
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};
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···
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{
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sysctl_handle_size(sizeof(int));
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*((int*) old) = gethostinfo()->cpu_threadtype;
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return 0;
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}
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sysctl_handler(handle_cpufrequency)
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{
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int freq = 2400000;
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char buf[16];
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if (read_string("/sys/bus/cpu/devices/cpu0/cpufreq/cpuinfo_max_freq", buf, sizeof(buf)))
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freq = __simple_atoi(buf, NULL);
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*((int*) old) = freq;
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return 0;
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}
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