machdep

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Property Value
OID 7
Description machine dependent
Label
Type node
Format N
Flags
  • RD, Can read the value
  • WR, Can write the value
  • RW, RD and WR
  • MPSAFE, Multiprocessor safe


Children:
Child Description
machdep.disable_msix_migration Disable migration of MSI-X interrupts between CPUs
machdep.num_msi_irqs Number of IRQs reserved for MSI and MSI-X interrupts
machdep.first_msi_irq Number of first IRQ reserved for MSI and MSI-X interrupts
machdep.vga_aspect_scale Aspect scale ratio (3:4):actual times 100
machdep.syscall_ret_flush_l1d Flush L1D on syscall return with error (0 - off, 1 - on, 2 - use hw only, 3 - use sw only
machdep.nmi_flush_l1d_sw Flush L1 Data Cache on NMI exit, software bhyve L1TF mitigation assist
machdep.uprintf_signal Print debugging information on trap signal to ctty
machdep.max_ldt_segment Maximum number of allowed LDT segments in the single address space
machdep.nkpt Number of kernel page table pages allocated on bootup
machdep.dump_retry_count Number of times dump has to retry before bailing out
machdep.efi_map Raw EFI Memory Map
machdep.smap Raw BIOS SMAP data
machdep.bootmethod System firmware boot method
machdep.tsc_freq Time Stamp Counter frequency
machdep.disable_tsc_calibration Disable TSC frequency calibration
machdep.disable_tsc Disable x86 Time Stamp Counter
machdep.stop_mwait Use MONITOR/MWAIT when stopping CPU, if available
machdep.hyperthreading_intr_allowed Allow interrupts on HTT logical CPUs
machdep.hyperthreading_allowed Use Intel HTT logical CPUs
machdep.disable_mtrrs Disable MTRRs.
machdep.nmi_is_broadcast Chipset NMI is broadcast
machdep.panic_on_nmi Panic on NMI: 1 = H/W failure; 2 = unknown; 0xff = all
machdep.idle currently selected idle function
machdep.idle_available list of available idle functions
machdep.idle_apl31 Apollo Lake APL31 MWAIT bug workaround
machdep.idle_mwait Use MONITOR/MWAIT for short idle
machdep.mwait_cpustop_broken Can not reliably wake MONITOR/MWAIT cpus without interrupts
machdep.i8254_freq i8254 timer frequency
machdep.hwpstate_pkg_ctrl Set 1 (default) to enable package-level control, 0 to disable
machdep.acpi_root The physical address of the RSDP
machdep.acpi_timer_freq ACPI timer frequency
machdep.prot_fault_translation Control signal to deliver on protection fault
machdep.disable_rtc_set Disallow adjusting time-of-day clock
machdep.wall_cmos_clock Enables application of machdep.adjkerntz
machdep.adjkerntz Local offset from UTC in seconds
machdep.rtc_save_period Save system time to RTC with this period (in seconds)
machdep.mitigations Machine dependent platform mitigations.
machdep.enable_panic_key Enable panic via keypress specified in kbdmap(5)
machdep.efi_rt_handle_faults Call EFI RT methods with fault handler wrapper around