diff options
Diffstat (limited to 'library/std/src/sys/uefi/os.rs')
-rw-r--r-- | library/std/src/sys/uefi/os.rs | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/library/std/src/sys/uefi/os.rs b/library/std/src/sys/uefi/os.rs new file mode 100644 index 000000000..e6693db68 --- /dev/null +++ b/library/std/src/sys/uefi/os.rs @@ -0,0 +1,237 @@ +use super::{unsupported, RawOsError}; +use crate::error::Error as StdError; +use crate::ffi::{OsStr, OsString}; +use crate::fmt; +use crate::io; +use crate::marker::PhantomData; +use crate::os::uefi; +use crate::path::{self, PathBuf}; +use crate::ptr::NonNull; +use r_efi::efi::Status; + +pub fn errno() -> RawOsError { + 0 +} + +pub fn error_string(errno: RawOsError) -> String { + // Keep the List in Alphabetical Order + // The Messages are taken from UEFI Specification Appendix D - Status Codes + match r_efi::efi::Status::from_usize(errno) { + Status::ABORTED => "The operation was aborted.".to_owned(), + Status::ACCESS_DENIED => "Access was denied.".to_owned(), + Status::ALREADY_STARTED => "The protocol has already been started.".to_owned(), + Status::BAD_BUFFER_SIZE => "The buffer was not the proper size for the request.".to_owned(), + Status::BUFFER_TOO_SMALL => { + "The buffer is not large enough to hold the requested data. The required buffer size is returned in the appropriate parameter when this error occurs.".to_owned() + } + Status::COMPROMISED_DATA => { + "The security status of the data is unknown or compromised and the data must be updated or replaced to restore a valid security status.".to_owned() + } + Status::CONNECTION_FIN => { + "The receiving operation fails because the communication peer has closed the connection and there is no more data in the receive buffer of the instance.".to_owned() + } + Status::CONNECTION_REFUSED => { + "The receiving or transmission operation fails because this connection is refused.".to_owned() + } + Status::CONNECTION_RESET => { + "The connect fails because the connection is reset either by instance itself or the communication peer.".to_owned() + } + Status::CRC_ERROR => "A CRC error was detected.".to_owned(), + Status::DEVICE_ERROR => "The physical device reported an error while attempting the operation.".to_owned() + , + Status::END_OF_FILE => { + "The end of the file was reached.".to_owned() + } + Status::END_OF_MEDIA => { + "Beginning or end of media was reached".to_owned() + } + Status::HOST_UNREACHABLE => { + "The remote host is not reachable.".to_owned() + } + Status::HTTP_ERROR => { + "A HTTP error occurred during the network operation.".to_owned() + } + Status::ICMP_ERROR => { + "An ICMP error occurred during the network operation.".to_owned() + } + Status::INCOMPATIBLE_VERSION => { + "The function encountered an internal version that was incompatible with a version requested by the caller.".to_owned() + } + Status::INVALID_LANGUAGE => { + "The language specified was invalid.".to_owned() + } + Status::INVALID_PARAMETER => { + "A parameter was incorrect.".to_owned() + } + Status::IP_ADDRESS_CONFLICT => { + "There is an address conflict address allocation".to_owned() + } + Status::LOAD_ERROR => { + "The image failed to load.".to_owned() + } + Status::MEDIA_CHANGED => { + "The medium in the device has changed since the last access.".to_owned() + } + Status::NETWORK_UNREACHABLE => { + "The network containing the remote host is not reachable.".to_owned() + } + Status::NO_MAPPING => { + "A mapping to a device does not exist.".to_owned() + } + Status::NO_MEDIA => { + "The device does not contain any medium to perform the operation.".to_owned() + } + Status::NO_RESPONSE => { + "The server was not found or did not respond to the request.".to_owned() + } + Status::NOT_FOUND => "The item was not found.".to_owned(), + Status::NOT_READY => { + "There is no data pending upon return.".to_owned() + } + Status::NOT_STARTED => { + "The protocol has not been started.".to_owned() + } + Status::OUT_OF_RESOURCES => { + "A resource has run out.".to_owned() + } + Status::PROTOCOL_ERROR => { + "A protocol error occurred during the network operation.".to_owned() + } + Status::PROTOCOL_UNREACHABLE => { + "An ICMP protocol unreachable error is received.".to_owned() + } + Status::SECURITY_VIOLATION => { + "The function was not performed due to a security violation.".to_owned() + } + Status::TFTP_ERROR => { + "A TFTP error occurred during the network operation.".to_owned() + } + Status::TIMEOUT => "The timeout time expired.".to_owned(), + Status::UNSUPPORTED => { + "The operation is not supported.".to_owned() + } + Status::VOLUME_FULL => { + "There is no more space on the file system.".to_owned() + } + Status::VOLUME_CORRUPTED => { + "An inconstancy was detected on the file system causing the operating to fail.".to_owned() + } + Status::WRITE_PROTECTED => { + "The device cannot be written to.".to_owned() + } + _ => format!("Status: {}", errno), + } +} + +pub fn getcwd() -> io::Result<PathBuf> { + unsupported() +} + +pub fn chdir(_: &path::Path) -> io::Result<()> { + unsupported() +} + +pub struct SplitPaths<'a>(!, PhantomData<&'a ()>); + +pub fn split_paths(_unparsed: &OsStr) -> SplitPaths<'_> { + panic!("unsupported") +} + +impl<'a> Iterator for SplitPaths<'a> { + type Item = PathBuf; + fn next(&mut self) -> Option<PathBuf> { + self.0 + } +} + +#[derive(Debug)] +pub struct JoinPathsError; + +pub fn join_paths<I, T>(_paths: I) -> Result<OsString, JoinPathsError> +where + I: Iterator<Item = T>, + T: AsRef<OsStr>, +{ + Err(JoinPathsError) +} + +impl fmt::Display for JoinPathsError { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + "not supported on this platform yet".fmt(f) + } +} + +impl StdError for JoinPathsError {} + +pub fn current_exe() -> io::Result<PathBuf> { + unsupported() +} + +pub struct Env(!); + +impl Env { + // FIXME(https://github.com/rust-lang/rust/issues/114583): Remove this when <OsStr as Debug>::fmt matches <str as Debug>::fmt. + pub fn str_debug(&self) -> impl fmt::Debug + '_ { + let Self(inner) = self; + match *inner {} + } +} + +impl Iterator for Env { + type Item = (OsString, OsString); + fn next(&mut self) -> Option<(OsString, OsString)> { + self.0 + } +} + +impl fmt::Debug for Env { + fn fmt(&self, _: &mut fmt::Formatter<'_>) -> fmt::Result { + let Self(inner) = self; + match *inner {} + } +} + +pub fn env() -> Env { + panic!("not supported on this platform") +} + +pub fn getenv(_: &OsStr) -> Option<OsString> { + None +} + +pub fn setenv(_: &OsStr, _: &OsStr) -> io::Result<()> { + Err(io::const_io_error!(io::ErrorKind::Unsupported, "cannot set env vars on this platform")) +} + +pub fn unsetenv(_: &OsStr) -> io::Result<()> { + Err(io::const_io_error!(io::ErrorKind::Unsupported, "cannot unset env vars on this platform")) +} + +pub fn temp_dir() -> PathBuf { + panic!("no filesystem on this platform") +} + +pub fn home_dir() -> Option<PathBuf> { + None +} + +pub fn exit(code: i32) -> ! { + if let (Some(boot_services), Some(handle)) = + (uefi::env::boot_services(), uefi::env::try_image_handle()) + { + let boot_services: NonNull<r_efi::efi::BootServices> = boot_services.cast(); + let _ = unsafe { + ((*boot_services.as_ptr()).exit)( + handle.as_ptr(), + Status::from_usize(code as usize), + 0, + crate::ptr::null_mut(), + ) + }; + } + crate::intrinsics::abort() +} + +pub fn getpid() -> u32 { + panic!("no pids on this platform") +} |