Crate sbi_rt

Simple RISC-V SBI runtime primitives.

Structs

• Base
  RISC-V SBI Base extension.
• ColdReboot
  Cold reboot as a reset type.
• Console
  Debug Console extension.
• Cppc
  SBI CPPC extension.
• ExtensionInfo
  Information about an SBI extension.
• Fence
  Remote Fence extension.
• HartMask
  Hart mask structure in SBI function calls.
• Hsm
  Hart State Monitor extension.
• Ipi
  Inter-processor Interrupt extension.
• Nacl
  Nested Acceleration extension.
• NoReason
  No reason as a reset reason.
• NonRetentive
  Default non-retentive hart suspension.
• Physical
  Physical slice wrapper with type annotation.
• Pmu
  Performance Monitoring Unit extension.
• Reset
  System Reset extension.
• Retentive
  Default retentive hart suspension.
• SbiRet
  SBI functions return type.
• SharedPtr
  Shared memory physical address raw pointer with type annotation.
• Shutdown
  Shutdown as a reset type.
• Sta
  Steal-time Accounting extension.
• Suspend
  System Suspend extension.
• SuspendToRam
  Suspend to RAM as sleep type.
• SystemFailure
  System failure as a reset reason.
• Timer
  Timer programmer extension.
• Version
  SBI specification version.
• WarmReboot
  Warm reboot as a reset type.

Traits

• ConfigFlags
  Flags to configure performance counter.
• Extension
  An SBI extension.
• ResetReason
  A valid reason for system reset.
• ResetType
  A valid type for system reset.
• SleepType
  A valid sleep type for system suspend.
• StartFlags
  Flags to start performance counter.
• StopFlags
  Flags to stop performance counter.
• SuspendType
  A valid suspend type for hart state monitor.

Functions

• console_read
  Read bytes from the debug console into an output memory.
• console_write
  Write bytes to the debug console from input memory.
• console_write_byte
  Write a single byte to the debug console.
• cppc_probe
  Probe whether the CPPC register is implemented or not by the platform.
• cppc_read
  Read the CPPC register identified by given cppc_reg_id.
• cppc_read_hi
  Read the upper 32-bit value of the CPPC register identified by cppc_reg_id.
• cppc_write
  Write 64-bit value to the CPPC register identified by given cppc_reg_id.
• get_marchid
  Return value of marchid register in the current environment.
• get_mimpid
  Return value of mimpid register in the current environment.
• get_mvendorid
  Return the value of mvendorid register in the current environment.
• get_sbi_impl_id
  Return the current SBI implementation ID.
• get_sbi_impl_version
  Return the current SBI implementation version.
• get_spec_version
  Return the current SBI specification version.
• hart_get_status
  Get the current status (or HSM state id) of the given hart.
• hart_start
  Start executing the given hart at specified address in supervisor-mode.
• hart_stop
  Stop executing the calling hart in supervisor-mode.
• hart_suspend
  Put the calling hart into suspend or platform specific lower power states.
• nacl_probe_feature
  Probe a nested acceleration feature.
• nacl_set_shmem
  Set and enable the shared memory for nested acceleration on the calling hart.
• nacl_sync_csr
  Synchronize CSRs in the nested acceleration shared memory.
• nacl_sync_hfence
  Synchronize HFENCEs in the nested acceleration shared memory.
• nacl_sync_sret
  Synchronize CSRs and HFENCEs in the NACL shared memory and emulate the SRET instruction.
• pmu_counter_config_matching
  Find and configure a counter from a set of counters.
• pmu_counter_fw_read
  Provide the current value of a firmware counter.
• pmu_counter_fw_read_hi
  Provide the upper 32 bits from the value of a firmware counter.
• pmu_counter_get_info
  Get details about the specified counter.
• pmu_counter_start
  Start or enable a set of counters on the calling hart with the specified initial value.
• pmu_counter_stop
  Stop or disable a set of counters on the calling hart.
• pmu_num_counters
  Returns the number of counters, both hardware and firmware.
• probe_extension
  Probe information about one SBI extension from the current environment.
• remote_fence_i
  Execute FENCE.I instruction on remote harts.
• remote_hfence_gvma
  Execute HFENCE.GVMA instructions for all virtual machines on remote harts.
• remote_hfence_gvma_vmid
  Execute virtual machine id based HFENCE.GVMA instructions on remote harts.
• remote_hfence_vvma
  Execute HFENCE.VVMA for all address spaces in the current virtual machine on remote harts.
• remote_hfence_vvma_asid
  Execute address space based HFENCE.VVMA for current virtual machine on remote harts.
• remote_sfence_vma
  Execute SFENCE.VMA instructions for all address spaces on remote harts.
• remote_sfence_vma_asid
  Execute address-space-based SFENCE.VMA instructions on remote harts.
• send_ipi
  Send an inter-processor interrupt to all harts defined in hart mask.
• set_timer
  Programs the clock for the next event after an absolute time.
• sta_set_shmem
  Prepare shared memory for steal-time accounting feature.
• system_reset
  Reset the system based on provided reset_type and reset_reason.
• system_suspend
  Suspend the system based on provided sleep_type.