Function sbi_rt::remote_sfence_vma_asid

source ·

pub fn remote_sfence_vma_asid(
    hart_mask: HartMask,
    start_addr: usize,
    size: usize,
    asid: usize
) -> SbiRet

Expand description

Execute address-space-based SFENCE.VMA instructions on remote harts.

This function instructs the remote harts to execute one or more SFENCE.VMA instructions, covering the range of virtual addresses between start_addr and size. This covers only the given address space by asid.

§Return value

The possible return error codes returned in SbiRet.error are shown in the table below:

Return code	Description
`SbiRet::success()`	A remote fence was sent to all the targeted harts successfully.
`SbiRet::invalid_address()`	`start_addr` or `size` is not valid.

This function is defined in RISC-V SBI Specification chapter 8.3.