Crate sbi_rt

Expand description

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.