Module ostd::cpu

CPU-related definitions.

Modules

• cpu_local
  CPU local storage.

Structs

• CpuException
  CPU exception.
• CpuExceptionInfo
  CPU exception information.
• CpuSet
  A set of CPUs.
• FpRegs
  The floating-point state of CPU.
• GeneralRegs
  General registers
• PageFaultErrorCode
  Page Fault error code. Following the Intel Architectures Software Developer’s Manual Volume 3
• UserContext
  Cpu context, including both general-purpose registers and floating-point registers.
• UserPreemption
  User Preemption.

Enums

• CpuExceptionType
  As Osdev Wiki defines(https://wiki.osdev.org/Exceptions): CPU exceptions are classified as:

Constants

• ALIGNMENT_CHECK
  The ALIGNMENT_CHECK exception
• BOUND_RANGE_EXCEEDED
  The BOUND_RANGE_EXCEEDED exception
• BREAKPOINT
  The BREAKPOINT exception
• CONTROL_PROTECTION_EXCEPTION
  The CONTROL_PROTECTION_EXCEPTION exception
• COPROCESSOR_SEGMENT_OVERRUN
  The COPROCESSOR_SEGMENT_OVERRUN exception
• DEBUG
  The DEBUG exception
• DEVICE_NOT_AVAILABLE
  The DEVICE_NOT_AVAILABLE exception
• DIVIDE_BY_ZERO
  The DIVIDE_BY_ZERO exception
• DOUBLE_FAULT
  The DOUBLE_FAULT exception
• GENERAL_PROTECTION_FAULT
  The GENERAL_PROTECTION_FAULT exception
• HYPERVISOR_INJECTION_EXCEPTION
  The HYPERVISOR_INJECTION_EXCEPTION exception
• INVAILD_TSS
  The INVAILD_TSS exception
• INVALID_OPCODE
  The INVALID_OPCODE exception
• MACHINE_CHECK
  The MACHINE_CHECK exception
• NON_MASKABLE_INTERRUPT
  The NON_MASKABLE_INTERRUPT exception
• OVERFLOW
  The OVERFLOW exception
• PAGE_FAULT
  The PAGE_FAULT exception
• RESERVED_15
  The RESERVED_15 exception
• RESERVED_22
  The RESERVED_22 exception
• RESERVED_23
  The RESERVED_23 exception
• RESERVED_24
  The RESERVED_24 exception
• RESERVED_25
  The RESERVED_25 exception
• RESERVED_26
  The RESERVED_26 exception
• RESERVED_27
  The RESERVED_27 exception
• RESERVED_31
  The RESERVED_31 exception
• SECURITY_EXCEPTION
  The SECURITY_EXCEPTION exception
• SEGMENT_NOT_PRESENT
  The SEGMENT_NOT_PRESENT exception
• SIMD_FLOATING_POINT_EXCEPTION
  The SIMD_FLOATING_POINT_EXCEPTION exception
• STACK_SEGMENT_FAULT
  The STACK_SEGMENT_FAULT exception
• VIRTUALIZATION_EXCEPTION
  The VIRTUALIZATION_EXCEPTION exception
• VMM_COMMUNICATION_EXCEPTION
  The VMM_COMMUNICATION_EXCEPTION exception
• X87_FLOATING_POINT_EXCEPTION
  The X87_FLOATING_POINT_EXCEPTION exception

Functions

• num_cpus
  Returns the number of CPUs.
• this_cpu
  Returns the ID of this CPU.