Struct FilePageSource 

pub struct FilePageSource { /* private fields */ }

File-backed page source. Reads from a memory-file on local disk by pread.

Implementations

impl FilePageSource

pub fn open(path: &Path, ram_start: u64) -> Result<Self, PageSourceError>

Open the memory file and bind it to ram_start.

ram_start is the guest-physical address corresponding to byte 0 of the memory file (typically DRAM_BASE = 0x8000_0000).

Errors

PageSourceError::Open if the file cannot be opened.

Trait Implementations

impl Debug for FilePageSource

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl PageSource for FilePageSource

fn fetch(&self, req: &PageRequest) -> Result<Bytes, PageSourceError>

Return the bytes for req.ipa rounded down to its req.page_size boundary.