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mikros: Add errno

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This commit is contained in:
pjht 2024-10-03 12:20:48 -05:00
parent 783aa92bde
commit 59db13756e
Signed by: pjht
GPG Key ID: CA239FC6934E6F3A
6 changed files with 485 additions and 13 deletions
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8
library/std/src/io/error.rs
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@ -1,14 +1,14 @@
#[cfg(test)] #[cfg(test)]
mod tests; mod tests;
#[cfg(all(target_pointer_width = "64", not(target_os = "uefi")))] #[cfg(all(target_pointer_width = "64", not(any(target_os = "uefi", target_os = "mikros"))))]
mod repr_bitpacked; mod repr_bitpacked;
#[cfg(all(target_pointer_width = "64", not(target_os = "uefi")))] #[cfg(all(target_pointer_width = "64", not(any(target_os = "uefi", target_os = "mikros"))))]
use repr_bitpacked::Repr; use repr_bitpacked::Repr;
#[cfg(any(not(target_pointer_width = "64"), target_os = "uefi"))] #[cfg(any(not(target_pointer_width = "64"), target_os = "uefi", target_os = "mikros"))]
mod repr_unpacked; mod repr_unpacked;
#[cfg(any(not(target_pointer_width = "64"), target_os = "uefi"))] #[cfg(any(not(target_pointer_width = "64"), target_os = "uefi", target_os = "mikros"))]
use repr_unpacked::Repr; use repr_unpacked::Repr;
use crate::{error, fmt, result, sys}; use crate::{error, fmt, result, sys};

423
library/std/src/os/mikros/errno.rs Normal file
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@ -0,0 +1,423 @@
#[stable(feature = "mikros", since = "1.80.0")]
#[repr(i32)]
#[derive(Debug, Copy, Clone, PartialEq, Eq)]
pub enum Errno {
EPERM = 1,
ENOENT = 2,
ESRCH = 3,
EINTR = 4,
EIO = 5,
ENXIO = 6,
E2BIG = 7,
ENOEXEC = 8,
EBADF = 9,
ECHILD = 10,
EWOULDBLOCK = 11,
ENOMEM = 12,
EACCES = 13,
EFAULT = 14,
ENOTBLK = 15,
EBUSY = 16,
EEXIST = 17,
EXDEV = 18,
ENODEV = 19,
ENOTDIR = 20,
EISDIR = 21,
EINVAL = 22,
ENFILE = 23,
EMFILE = 24,
ENOTTY = 25,
ETXTBSY = 26,
EFBIG = 27,
ENOSPC = 28,
ESPIPE = 29,
EROFS = 30,
EMLINK = 31,
EPIPE = 32,
EDOM = 33,
ERANGE = 34,
EDEADLK = 35,
ENAMETOOLONG = 36,
ENOLCK = 37,
ENOSYS = 38,
ENOTEMPTY = 39,
ELOOP = 40,
ENOMSG = 42,
EIDRM = 43,
ECHRNG = 44,
EL2NSYNC = 45,
EL3HLT = 46,
EL3RST = 47,
ELNRNG = 48,
EUNATCH = 49,
ENOCSI = 50,
EL2HLT = 51,
EBADE = 52,
EBADR = 53,
EXFULL = 54,
ENOANO = 55,
EBADRQC = 56,
EBADSLT = 57,
EBFONT = 59,
ENOSTR = 60,
ENODATA = 61,
ETIME = 62,
ENOSR = 63,
ENONET = 64,
ENOPKG = 65,
EREMOTE = 66,
ENOLINK = 67,
EADV = 68,
ESRMNT = 69,
ECOMM = 70,
EPROTO = 71,
EMULTIHOP = 72,
EDOTDOT = 73,
EBADMSG = 74,
EOVERFLOW = 75,
ENOTUNIQ = 76,
EBADFD = 77,
EREMCHG = 78,
ELIBACC = 79,
ELIBBAD = 80,
ELIBSCN = 81,
ELIBMAX = 82,
ELIBEXEC = 83,
EILSEQ = 84,
ERESTART = 85,
ESTRPIPE = 86,
EUSERS = 87,
ENOTSOCK = 88,
EDESTADDRREQ = 89,
EMSGSIZE = 90,
EPROTOTYPE = 91,
ENOPROTOOPT = 92,
EPROTONOSUPPORT = 93,
ESOCKTNOSUPPORT = 94,
ENOTSUP = 95,
EPFNOSUPPORT = 96,
EAFNOSUPPORT = 97,
EADDRINUSE = 98,
EADDRNOTAVAIL = 99,
ENETDOWN = 100,
ENETUNREACH = 101,
ENETRESET = 102,
ECONNABORTED = 103,
ECONNRESET = 104,
ENOBUFS = 105,
EISCONN = 106,
ENOTCONN = 107,
ESHUTDOWN = 108,
ETOOMANYREFS = 109,
ETIMEDOUT = 110,
ECONNREFUSED = 111,
EHOSTDOWN = 112,
EHOSTUNREACH = 113,
EALREADY = 114,
EINPROGRESS = 115,
ESTALE = 116,
EUCLEAN = 117,
ENOTNAM = 118,
ENAVAIL = 119,
EISNAM = 120,
EREMOTEIO = 121,
EDQUOT = 122,
ENOMEDIUM = 123,
EMEDIUMTYPE = 124,
ECANCELED = 125,
ENOKEY = 126,
EKEYEXPIRED = 127,
EKEYREVOKED = 128,
EKEYREJECTED = 129,
EOWNERDEAD = 130,
ENOTRECOVERABLE = 131,
ERFKILL = 132,
EHWPOISON = 133,
EAGAIN = 134,
}
#[stable(feature = "mikros", since = "1.80.0")]
impl TryFrom<i32> for Errno {
type Error = i32;
fn try_from(value: i32) -> Result<Self, Self::Error> {
use Errno::*;
match value {
1 => Ok(EPERM),
2 => Ok(ENOENT),
3 => Ok(ESRCH),
4 => Ok(EINTR),
5 => Ok(EIO),
6 => Ok(ENXIO),
7 => Ok(E2BIG),
8 => Ok(ENOEXEC),
9 => Ok(EBADF),
10 => Ok(ECHILD),
11 => Ok(EWOULDBLOCK),
12 => Ok(ENOMEM),
13 => Ok(EACCES),
14 => Ok(EFAULT),
15 => Ok(ENOTBLK),
16 => Ok(EBUSY),
17 => Ok(EEXIST),
18 => Ok(EXDEV),
19 => Ok(ENODEV),
20 => Ok(ENOTDIR),
21 => Ok(EISDIR),
22 => Ok(EINVAL),
23 => Ok(ENFILE),
24 => Ok(EMFILE),
25 => Ok(ENOTTY),
26 => Ok(ETXTBSY),
27 => Ok(EFBIG),
28 => Ok(ENOSPC),
29 => Ok(ESPIPE),
30 => Ok(EROFS),
31 => Ok(EMLINK),
32 => Ok(EPIPE),
33 => Ok(EDOM),
34 => Ok(ERANGE),
35 => Ok(EDEADLK),
36 => Ok(ENAMETOOLONG),
37 => Ok(ENOLCK),
38 => Ok(ENOSYS),
39 => Ok(ENOTEMPTY),
40 => Ok(ELOOP),
42 => Ok(ENOMSG),
43 => Ok(EIDRM),
44 => Ok(ECHRNG),
45 => Ok(EL2NSYNC),
46 => Ok(EL3HLT),
47 => Ok(EL3RST),
48 => Ok(ELNRNG),
49 => Ok(EUNATCH),
50 => Ok(ENOCSI),
51 => Ok(EL2HLT),
52 => Ok(EBADE),
53 => Ok(EBADR),
54 => Ok(EXFULL),
55 => Ok(ENOANO),
56 => Ok(EBADRQC),
57 => Ok(EBADSLT),
59 => Ok(EBFONT),
60 => Ok(ENOSTR),
61 => Ok(ENODATA),
62 => Ok(ETIME),
63 => Ok(ENOSR),
64 => Ok(ENONET),
65 => Ok(ENOPKG),
66 => Ok(EREMOTE),
67 => Ok(ENOLINK),
68 => Ok(EADV),
69 => Ok(ESRMNT),
70 => Ok(ECOMM),
71 => Ok(EPROTO),
72 => Ok(EMULTIHOP),
73 => Ok(EDOTDOT),
74 => Ok(EBADMSG),
75 => Ok(EOVERFLOW),
76 => Ok(ENOTUNIQ),
77 => Ok(EBADFD),
78 => Ok(EREMCHG),
79 => Ok(ELIBACC),
80 => Ok(ELIBBAD),
81 => Ok(ELIBSCN),
82 => Ok(ELIBMAX),
83 => Ok(ELIBEXEC),
84 => Ok(EILSEQ),
85 => Ok(ERESTART),
86 => Ok(ESTRPIPE),
87 => Ok(EUSERS),
88 => Ok(ENOTSOCK),
89 => Ok(EDESTADDRREQ),
90 => Ok(EMSGSIZE),
91 => Ok(EPROTOTYPE),
92 => Ok(ENOPROTOOPT),
93 => Ok(EPROTONOSUPPORT),
94 => Ok(ESOCKTNOSUPPORT),
95 => Ok(ENOTSUP),
96 => Ok(EPFNOSUPPORT),
97 => Ok(EAFNOSUPPORT),
98 => Ok(EADDRINUSE),
99 => Ok(EADDRNOTAVAIL),
100 => Ok(ENETDOWN),
101 => Ok(ENETUNREACH),
102 => Ok(ENETRESET),
103 => Ok(ECONNABORTED),
104 => Ok(ECONNRESET),
105 => Ok(ENOBUFS),
106 => Ok(EISCONN),
107 => Ok(ENOTCONN),
108 => Ok(ESHUTDOWN),
109 => Ok(ETOOMANYREFS),
110 => Ok(ETIMEDOUT),
111 => Ok(ECONNREFUSED),
112 => Ok(EHOSTDOWN),
113 => Ok(EHOSTUNREACH),
114 => Ok(EALREADY),
115 => Ok(EINPROGRESS),
116 => Ok(ESTALE),
117 => Ok(EUCLEAN),
118 => Ok(ENOTNAM),
119 => Ok(ENAVAIL),
120 => Ok(EISNAM),
121 => Ok(EREMOTEIO),
122 => Ok(EDQUOT),
123 => Ok(ENOMEDIUM),
124 => Ok(EMEDIUMTYPE),
125 => Ok(ECANCELED),
126 => Ok(ENOKEY),
127 => Ok(EKEYEXPIRED),
128 => Ok(EKEYREVOKED),
129 => Ok(EKEYREJECTED),
130 => Ok(EOWNERDEAD),
131 => Ok(ENOTRECOVERABLE),
132 => Ok(ERFKILL),
133 => Ok(EHWPOISON),
134 => Ok(EAGAIN),
x => Err(x),
}
}
}
#[stable(feature = "mikros", since = "1.80.0")]
impl crate::fmt::Display for Errno {
fn fmt(&self, f: &mut crate::fmt::Formatter<'_>) -> Result<(), crate::fmt::Error> {
use Errno::*;
let errno_name = match self {
EPERM => "Operation not permitted",
ENOENT => "No such file or directory",
ESRCH => "No such process",
EINTR => "Interrupted system call",
EIO => "Input/output error",
ENXIO => "No such device or address",
E2BIG => "Argument list too long",
ENOEXEC => "Exec format error",
EBADF => "Bad file descriptor",
ECHILD => "No child processes",
EAGAIN => "Resource temporarily unavailable",
EWOULDBLOCK => "Resource temporarily unavailable",
ENOMEM => "Cannot allocate memory",
EACCES => "Permission denied",
EFAULT => "Bad address",
ENOTBLK => "Block device required",
EBUSY => "Device or resource busy",
EEXIST => "File exists",
EXDEV => "Invalid cross-device link",
ENODEV => "No such device",
ENOTDIR => "Not a directory",
EISDIR => "Is a directory",
EINVAL => "Invalid argument",
ENFILE => "Too many open files in system",
EMFILE => "Too many open files",
ENOTTY => "Inappropriate ioctl for device",
ETXTBSY => "Text file busy",
EFBIG => "File too large",
ENOSPC => "No space left on device",
ESPIPE => "Illegal seek",
EROFS => "Read-only file system",
EMLINK => "Too many links",
EPIPE => "Broken pipe",
EDOM => "Numerical argument out of domain",
ERANGE => "Numerical result out of range",
EDEADLK => "Resource deadlock avoided",
ENAMETOOLONG => "File name too long",
ENOLCK => "No locks available",
ENOSYS => "Function not implemented",
ENOTEMPTY => "Directory not empty",
ELOOP => "Too many levels of symbolic links",
ENOMSG => "No message of desired type",
EIDRM => "Identifier removed",
ECHRNG => "Channel number out of range",
EL2NSYNC => "Level 2 not synchronized",
EL3HLT => "Level 3 halted",
EL3RST => "Level 3 reset",
ELNRNG => "Link number out of range",
EUNATCH => "Protocol driver not attached",
ENOCSI => "No CSI structure available",
EL2HLT => "Level 2 halted",
EBADE => "Invalid exchange",
EBADR => "Invalid request descriptor",
EXFULL => "Exchange full",
ENOANO => "No anode",
EBADRQC => "Invalid request code",
EBADSLT => "Invalid slot",
EBFONT => "Bad font file format",
ENOSTR => "Device not a stream",
ENODATA => "No data available",
ETIME => "Timer expired",
ENOSR => "Out of streams resources",
ENONET => "Machine is not on the network",
ENOPKG => "Package not installed",
EREMOTE => "Object is remote",
ENOLINK => "Link has been severed",
EADV => "Advertise error",
ESRMNT => "Srmount error",
ECOMM => "Communication error on send",
EPROTO => "Protocol error",
EMULTIHOP => "Multihop attempted",
EDOTDOT => "RFS specific error",
EBADMSG => "Bad message",
EOVERFLOW => "Value too large for defined data type",
ENOTUNIQ => "Name not unique on network",
EBADFD => "File descriptor in bad state",
EREMCHG => "Remote address changed",
ELIBACC => "Can not access a needed shared library",
ELIBBAD => "Accessing a corrupted shared library",
ELIBSCN => ".lib section in a.out corrupted",
ELIBMAX => "Attempting to link in too many shared libraries",
ELIBEXEC => "Cannot exec a shared library directly",
EILSEQ => "Invalid or incomplete multibyte or wide character",
ERESTART => "Interrupted system call should be restarted",
ESTRPIPE => "Streams pipe error",
EUSERS => "Too many users",
ENOTSOCK => "Socket operation on non-socket",
EDESTADDRREQ => "Destination address required",
EMSGSIZE => "Message too long",
EPROTOTYPE => "Protocol wrong type for socket",
ENOPROTOOPT => "Protocol not available",
EPROTONOSUPPORT => "Protocol not supported",
ESOCKTNOSUPPORT => "Socket type not supported",
ENOTSUP => "Operation not supported",
EPFNOSUPPORT => "Protocol family not supported",
EAFNOSUPPORT => "Address family not supported by protocol",
EADDRINUSE => "Address already in use",
EADDRNOTAVAIL => "Cannot assign requested address",
ENETDOWN => "Network is down",
ENETUNREACH => "Network is unreachable",
ENETRESET => "Network dropped connection on reset",
ECONNABORTED => "Software caused connection abort",
ECONNRESET => "Connection reset by peer",
ENOBUFS => "No buffer space available",
EISCONN => "Transport endpoint is already connected",
ENOTCONN => "Transport endpoint is not connected",
ESHUTDOWN => "Cannot send after transport endpoint shutdown",
ETOOMANYREFS => "Too many references: cannot splice",
ETIMEDOUT => "Connection timed out",
ECONNREFUSED => "Connection refused",
EHOSTDOWN => "Host is down",
EHOSTUNREACH => "No route to host",
EALREADY => "Operation already in progress",
EINPROGRESS => "Operation now in progress",
ESTALE => "Stale file handle",
EUCLEAN => "Structure needs cleaning",
ENOTNAM => "Not a XENIX named type file",
ENAVAIL => "No XENIX semaphores available",
EISNAM => "Is a named type file",
EREMOTEIO => "Remote I/O error",
EDQUOT => "Disk quota exceeded",
ENOMEDIUM => "No medium found",
EMEDIUMTYPE => "Wrong medium type",
ECANCELED => "Operation canceled",
ENOKEY => "Required key not available",
EKEYEXPIRED => "Key has expired",
EKEYREVOKED => "Key has been revoked",
EKEYREJECTED => "Key was rejected by service",
EOWNERDEAD => "Owner died",
ENOTRECOVERABLE => "State not recoverable",
ERFKILL => "Operation not possible due to RF-kill",
EHWPOISON => "Memory page has hardware error",
};
f.write_str(errno_name)
}
}

5
library/std/src/os/mikros/mod.rs
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@ -9,6 +9,11 @@
pub mod loader; pub mod loader;
pub mod syscalls; pub mod syscalls;
mod errno;
#[stable(feature = "mikros", since = "1.80.0")]
pub use errno::Errno;
/// A prelude for conveniently writing platform-specific code. /// A prelude for conveniently writing platform-specific code.
/// ///
/// Includes all extension traits, and some important type definitions. /// Includes all extension traits, and some important type definitions.

51
library/std/src/sys/pal/mikros/common.rs
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@ -1,4 +1,5 @@
use crate::io as std_io; use crate::io as std_io;
use crate::os::mikros::Errno;
use crate::os::mikros::ipc::rpc; use crate::os::mikros::ipc::rpc;
// SAFETY: must be called only once during runtime initialization. // SAFETY: must be called only once during runtime initialization.
@ -21,12 +22,54 @@ pub fn unsupported_err() -> std_io::Error {
std_io::Error::UNSUPPORTED_PLATFORM std_io::Error::UNSUPPORTED_PLATFORM
} }
pub fn is_interrupted(_code: i32) -> bool { pub fn is_interrupted(errno: RawOsError) -> bool {
false errno == Errno::EINTR
} }
pub fn decode_error_kind(_code: i32) -> crate::io::ErrorKind { pub type RawOsError = Errno;
crate::io::ErrorKind::Uncategorized
pub fn decode_error_kind(errno: RawOsError) -> crate::io::ErrorKind {
use crate::io::ErrorKind::*;
match errno {
Errno::E2BIG => ArgumentListTooLong,
Errno::EADDRINUSE => AddrInUse,
Errno::EADDRNOTAVAIL => AddrNotAvailable,
Errno::EBUSY => ResourceBusy,
Errno::ECONNABORTED => ConnectionAborted,
Errno::ECONNREFUSED => ConnectionRefused,
Errno::ECONNRESET => ConnectionReset,
Errno::EDEADLK => Deadlock,
Errno::EDQUOT => FilesystemQuotaExceeded,
Errno::EEXIST => AlreadyExists,
Errno::EFBIG => FileTooLarge,
Errno::EHOSTUNREACH => HostUnreachable,
Errno::EINTR => Interrupted,
Errno::EINVAL => InvalidInput,
Errno::EISDIR => IsADirectory,
Errno::ELOOP => FilesystemLoop,
Errno::ENOENT => NotFound,
Errno::ENOMEM => OutOfMemory,
Errno::ENOSPC => StorageFull,
Errno::ENOSYS => Unsupported,
Errno::EMLINK => TooManyLinks,
Errno::ENAMETOOLONG => InvalidFilename,
Errno::ENETDOWN => NetworkDown,
Errno::ENETUNREACH => NetworkUnreachable,
Errno::ENOTCONN => NotConnected,
Errno::ENOTDIR => NotADirectory,
Errno::ENOTEMPTY => DirectoryNotEmpty,
Errno::EPIPE => BrokenPipe,
Errno::EROFS => ReadOnlyFilesystem,
Errno::ESPIPE => NotSeekable,
Errno::ESTALE => StaleNetworkFileHandle,
Errno::ETIMEDOUT => TimedOut,
Errno::ETXTBSY => ExecutableFileBusy,
Errno::EXDEV => CrossesDevices,
Errno::EACCES | Errno::EPERM => PermissionDenied,
Errno::EAGAIN | Errno::EWOULDBLOCK => WouldBlock,
_ => Uncategorized,
}
} }
pub fn abort_internal() -> ! { pub fn abort_internal() -> ! {

9
library/std/src/sys/pal/mikros/os.rs
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@ -3,15 +3,16 @@
use crate::error::Error as StdError; use crate::error::Error as StdError;
use crate::ffi::{OsStr, OsString}; use crate::ffi::{OsStr, OsString};
use crate::marker::PhantomData; use crate::marker::PhantomData;
use crate::os::mikros::Errno;
use crate::path::{self, PathBuf}; use crate::path::{self, PathBuf};
use crate::{fmt, io}; use crate::{fmt, io};
pub fn errno() -> i32 { pub fn errno() -> Errno {
0 Errno::EIO
} }
pub fn error_string(_errno: i32) -> String { pub fn error_string(errno: Errno) -> String {
"operation successful".to_string() errno.to_string()
} }
pub fn getcwd() -> io::Result<PathBuf> { pub fn getcwd() -> io::Result<PathBuf> {

2
library/std/src/sys/pal/mod.rs
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@ -79,5 +79,5 @@
} }
} }
#[cfg(not(target_os = "uefi"))] #[cfg(not(any(target_os = "uefi", target_os = "mikros")))]
pub type RawOsError = i32; pub type RawOsError = i32;