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30 #include <mach/mach_types.h>
31 #include <mach/mach_host.h>
33 #include <kern/host.h>
34 #include <kern/processor.h>
35 #include <kern/cpu_data.h>
36 #include <kern/machine.h>
37 #include <machine/machine_routines.h>
39 #include <chud/chud_xnu.h>
41 #pragma mark **** cpu count ****
43 __private_extern__
int
44 chudxnu_logical_cpu_count(void)
46 return machine_info
.logical_cpu_max
;
49 __private_extern__
int
50 chudxnu_phys_cpu_count(void)
52 host_basic_info_data_t hinfo
;
54 mach_msg_type_number_t count
= HOST_BASIC_INFO_COUNT
;
56 kr
= host_info(host_self(), HOST_BASIC_INFO
, (integer_t
*)&hinfo
, &count
);
57 if(kr
== KERN_SUCCESS
) {
58 return hinfo
.max_cpus
;
60 return 1; // fall back to 1, 0 doesn't make sense at all
64 __private_extern__
int
65 chudxnu_cpu_number(void)
70 #pragma mark **** interrupts enable/disable ****
72 __private_extern__ boolean_t
73 chudxnu_get_interrupts_enabled(void)
75 return ml_get_interrupts_enabled();
78 __private_extern__ boolean_t
79 chudxnu_set_interrupts_enabled(boolean_t enable
)
81 return ml_set_interrupts_enabled(enable
);
84 __private_extern__ boolean_t
85 chudxnu_at_interrupt_context(void)
87 return ml_at_interrupt_context();
90 __private_extern__
void
91 chudxnu_cause_interrupt(void)
96 #pragma mark **** preemption enable/disable ****
98 __private_extern__
void
99 chudxnu_enable_preemption(void)
104 __private_extern__
void
105 chudxnu_disable_preemption(void)
107 disable_preemption();
110 __private_extern__
int
111 chudxnu_get_preemption_level(void)
113 return get_preemption_level();
116 #pragma mark *** deprecated ***
119 __private_extern__
int
120 chudxnu_avail_cpu_count(void)
122 return machine_info
.logical_cpu
;