Commit Graph

72 Commits

Author SHA1 Message Date
Matthew Leach
efe34026fa Merge pull request #81 from arihant2math/mutex-timeouts 2025-12-24 08:08:20 +00:00
Matthew Leach
1d25f0d292 apply fix 2025-12-24 00:02:29 -08:00
someone
877dc9bf2e Implement sys_truncate (#86) 2025-12-23 22:08:16 -08:00
someone
3aef9a4e15 add chown/chmod (#84) 2025-12-23 15:19:25 -08:00
Ashwin Naren
c4f1d9acf5 support timeouts for futex 2025-12-23 13:08:37 -08:00
Ashwin Naren
888c099072 implement sys_sched_yield 2025-12-23 12:46:26 -08:00
Matthew Leach
88549fee5a sys_set_tid_address: finish implementation
Now CLONE_CHILD_CLEARTID has been implemented properly, we can finish
the implementation of `sys_set_tid_address`.
2025-12-23 11:28:44 -08:00
Matthew Leach
6bada491b6 futex: check value while queue locked
Lock the futex queue when checking the value to ensure atomicity.
2025-12-23 10:21:30 -08:00
Matthew Leach
957b28e8a7 uaccess: implement try_copy_from_user
Implement a new function, `try_copy_from_user` which will not sleep when
a fault occures, making it safe to be called while a spinlock has been
acquired.
2025-12-23 10:21:30 -08:00
ootinnyoo
8f00af7587 implement sys_fchdir 2025-12-22 18:34:22 -05:00
Ashwin Naren
2cb93c0891 address review 2025-12-22 02:06:11 -08:00
Ashwin Naren
8bf0a72bce fix futex based thread joining 2025-12-21 17:02:19 -08:00
Matthew Leach
e77742e029 aarch64: syscalls: clone: fix arg order
The clone syscal on aarch64 is the following:

```
SYS_clone, flags, stack, ptid, tls, ctid
x8,        x0,    x1,    x2,   x3,  x4
```

which is a different order than listed on the man page. Fix the ordering
in the aarch64 syscall dispatch code.
2025-12-21 16:13:15 -08:00
Matthew Leach
3273d6451e clone: implement CLONE_SETTLS
Set the TLS pointer when `CLONE_SETTLS` is set in `sys_clone`.
2025-12-21 16:13:15 -08:00
Matthew Leach
a7ebe8e214 threading: fix clone to spawn threads
Fix issues identify in `sys_clone` logic to enable basic threading.
2025-12-21 16:13:15 -08:00
Matthew Leach
eb2369f621 Merge pull request #57 from arihant2math/futex 2025-12-21 13:30:40 +00:00
Matthew Leach
03a400d2bd Merge pull request #72 from some100/master 2025-12-21 13:30:05 +00:00
Ashwin Naren
637874620b address review 2025-12-21 01:56:33 -08:00
Ashwin Naren
f004824bbd make clippy happy 2025-12-21 01:43:54 -08:00
Ashwin Naren
b7e8e9edcc add note 2025-12-21 01:43:54 -08:00
Ashwin Naren
a6efc75686 final fixes 2025-12-21 01:43:54 -08:00
Ashwin Naren
93df6b0ebc get data w/ spinlock 2025-12-21 01:43:54 -08:00
Ashwin Naren
cb6dbdf5bb futex impl 2025-12-21 01:43:54 -08:00
Ashwin Naren
3fbb56098c futex impl
# Conflicts:
#	usertest/src/main.rs
2025-12-21 01:43:54 -08:00
Ashwin Naren
cd6d830ae9 Initial proc fs (#70) 2025-12-21 01:37:14 -08:00
ootinnyoo
237ab737df implement sys_chroot 2025-12-20 19:06:07 -05:00
Ashwin Naren
35a6caa541 Implement sys_sysinfo (#71) 2025-12-20 15:42:08 -08:00
Ashwin Naren
b98a54b928 Stub sys_madvise (#67) 2025-12-19 15:28:43 -08:00
Ashwin Naren
781b9b5c3f implement mkdir and unlink
rm, mkdir and rmdir now work in tmpfs
2025-12-18 15:35:09 +00:00
Matthew Leach
9db6162414 formatting 2025-12-17 20:04:31 -08:00
Matthew Leach
5511e28b72 syscalls: implement ftruncate 2025-12-17 20:04:31 -08:00
Matthew Leach
8bc271c266 fs: open: pass create mode parameter
Pass the `mode` parameter to the open VFS call, specifying the
permissions of the file when O_CREAT is specified.
2025-12-17 20:04:31 -08:00
Matthew Leach
236dd3aa84 fs: reg: implement write
For some reason, `write` is just a copy of the `read` code. Fix that by
implementing `write`.
2025-12-17 20:04:31 -08:00
Matthew Leach
264d603044 drivers: fs: tmpfs: new
Add tmpfs driver and register with the kernel driver's FS subsystem.
2025-12-17 20:04:31 -08:00
Matthew Leach
54f2d683b8 libkernel: move ClaimedPage into libkernel crate
By moving `ClaimedPage` into libkernel we can utilise it in
arch-agonstic ode.
2025-12-17 20:04:31 -08:00
Ashwin Naren
bc9676b696 Add stopped state 2025-12-15 16:49:04 -08:00
Ashwin Naren
f1d2d007bb handle stop and continue 2025-12-15 16:49:04 -08:00
Ashwin Naren
f63ad250f4 implement restarting 2025-12-15 21:22:53 +00:00
Ashwin Naren
e2534ffd9c Implement /dev/zero 2025-12-10 14:37:59 -08:00
Ashwin Naren
71f025b437 Implement /dev/null (#48) 2025-12-09 08:40:27 -08:00
Matthew Leach
511a0db41e arch: arm64: parse cmdline from chosen node
The kernel command line is passed via the FDT's chosen node. Use that,
rather than hard-coding it into the kernel.

Fixes: #20
2025-12-07 16:41:45 +00:00
Ashwin Naren
661f368334 implement sys_kill 2025-12-01 19:55:41 +00:00
Matthew Leach
910203e0c2 syscalls: mprotect: implement
Implement the `mprotect` syscall. Including a bunch of tests for
ensuring proper VMA functionality regarding splitting and merging via
`mprotect`.
2025-11-30 20:13:36 +00:00
Matthew Leach
8038a6c4e2 syscalls: sys_getrand: implement
Implement sys_getrand
2025-11-28 21:24:37 +00:00
Ashwin Naren
5f2c2491b8 implement fair scheduler 2025-11-28 21:06:07 +00:00
Bjorn Beishline
911a85e4ef Implement sys_set_robust_list and sys_gettid 2025-11-28 20:46:45 +00:00
Matthew Leach
fb405282cc syscalls: rseq: return ENOSYS
Return ENOSYS for sys_rseq
2025-11-28 20:09:05 +00:00
Matthew Leach
1741b036bb syscalls: getrlimit: return error
Return error for the moment for `sys_getrlimit`.
2025-11-28 20:09:05 +00:00
Matthew Leach
6e988c3639 syscall: socket: return with error
Return with an error when calling socket()
2025-11-28 20:09:05 +00:00
Matthew Leach
6a029c340a syscall: gettimeofday: impement
Provide a dummy implementation of sys_gettimeofday
2025-11-28 20:09:05 +00:00