Bananymous
2746419c8c
BAN: Function call is now const
2023-08-22 11:30:40 +03:00
Bananymous
b5a7246ba7
LibC: make printf buffer only 128 bytes
...
Only reason for it to be big is if you want super large zero padding
for your number. This will eventually be handled without the buffer.
2023-08-18 16:49:27 +03:00
Bananymous
c1d82282d9
Id: Print username corresponding to uid/euid
...
Also print euid and egid if they differ from uid or gid.
2023-08-18 15:36:51 +03:00
Bananymous
0abe30af38
BuildSystem: only apply stack usage warning to libc
2023-08-17 20:49:52 +03:00
Bananymous
089da2608c
Shell: command execution and parsing support piped commands
...
There is still problems with "blocking" builtin commands (time),
return value, ...
2023-08-17 12:05:38 +03:00
Bananymous
85c6149138
LibC: add fileno() and fdopen()
...
fdopen() doesn't currently care about mode and will have same mode
as the underlying file descriptor.
2023-08-17 12:03:59 +03:00
Bananymous
79f3aa5419
Kernel/LibC: add dup() syscall and function
2023-08-17 12:03:29 +03:00
Bananymous
ed5f4d64a8
Shell: add basic printf test
2023-08-16 10:49:34 +03:00
Bananymous
569e76a848
LibC: printf handles nan and inf
2023-08-16 10:49:34 +03:00
Bananymous
3a36c30e80
LibC: math.h defines is*() macros and uses builtins for values
2023-08-16 10:41:55 +03:00
Bananymous
a09232a555
cat: use 1025 buffer. this allows reads to be 1024 byte
...
reading from disk currently returns ENOTSUP if buffer size is not
multiple of sector size.
2023-08-16 09:33:14 +03:00
Bananymous
5a94818210
Shell: $? returns last return value
2023-08-15 09:17:46 +03:00
Bananymous
2441f208c6
Userspace: Add basic whoami command
2023-08-15 09:03:51 +03:00
Bananymous
db2eca697e
Shell: '\u' in PS1 is replaced with username corresponding to euid
2023-08-14 14:55:23 +03:00
Bananymous
81d79cca61
Shell: ^A moves cursor to the beginning of line
2023-08-14 12:26:22 +03:00
Bananymous
871c792976
Kernel: O_SEARCH doesn't require any permissions
...
Except read permissions for all directories in the path
This allows us to stat e.g. device files for which we don't have
the permissions.
2023-08-11 12:26:07 +03:00
Bananymous
9ab7e76a3b
LibC: cleanup fstatat
2023-08-11 12:25:15 +03:00
Bananymous
8480ffe108
Kernel: open() now validates file access mode
2023-08-11 11:53:38 +03:00
Bananymous
e1400f9680
Kernel: Remove unused syscall
2023-08-11 11:43:48 +03:00
Bananymous
77ff585248
Userspace: implement basic stat
...
I tried to format the output pretty much how linux does, except for
uid and git -> name resolution which is not implemented
2023-08-11 10:30:50 +03:00
Bananymous
9cb50cba33
LibC: Fix S_IF* macros and add macros for access/type masks
2023-08-11 10:30:50 +03:00
Bananymous
6e5bce3c57
Kernel: Zero initialize threads sse_storage
2023-08-11 00:26:43 +03:00
Bananymous
f75adab9d8
Kernel: Move structures in boot.S to .data section
2023-08-11 00:26:12 +03:00
Bananymous
5d0a6e7b08
Kernel: HPET is now used in legacy mode when PIC is forced
2023-08-10 22:01:30 +03:00
Bananymous
b0c8a9cdc4
Kernel: Fix slave PIC
...
we dont mask interrupt 2 in PIC since it corresponds to the
slave PIC. Also cleanup PIC code :)
2023-08-10 21:52:31 +03:00
Bananymous
ebe0adb3b5
Kernel: HPET doesn't use the legacy mapping anymore
2023-08-10 21:08:32 +03:00
Bananymous
4842d5e2b9
Kernel: APIC now uses MMIO namespace functions for mmio
2023-08-10 21:07:23 +03:00
Bananymous
0b8396b1a6
Kernel: IDT now sends EOI for every interrupt
...
EOI is sent before calling the interrupt handler. This should be fine
since all interrupts are processed with interrupts disabled
2023-08-09 09:57:02 +03:00
Bananymous
55ef793a74
Kernel: Validate HPET tick period
2023-08-09 09:50:38 +03:00
Bananymous
96c0ad0d3d
Kernel: Remove get_unix_timestamp from SystemTimer
...
Kernel now uses the percise real_time() and time_since_boot()
2023-08-09 08:57:50 +03:00
Bananymous
6fcb191ca0
Kernel: Add PageTable::Flags::CacheDisable
...
Also fix multiple places where we were using uint8_t as page table
flags instead of PageTable::flags_t which we promoted to uint16_t
while back.
2023-08-06 23:59:30 +03:00
Bananymous
3df97c36e6
Kerne: SystemTimer can now output the current real time
2023-08-04 16:06:47 +03:00
Bananymous
c732297623
Kernel: Rename TimerHandler to SystemTimer
...
I changed SystemTimer to only handle the "best" supported timer
it can initialize.
2023-08-04 16:06:47 +03:00
Bananymous
ca5a097ef5
Kernel: Add function to retrieve boot time as timespec
2023-08-04 16:06:47 +03:00
Bananymous
1f8a5f0ce5
Kernel: F11 now prints current time to debug output
...
This allows better timer percision and system freeze checks
2023-08-04 15:22:51 +03:00
Bananymous
1fa7a1cac4
Kernel: Add basic HPET support to replace PIT if exists
...
This works same way as the PIT implementation; calls Scheduler every
milli second.
2023-08-04 15:22:51 +03:00
Bananymous
ea4a70c3b3
Kernel: Move sleep() implementation to TimerHandler
2023-08-04 15:15:00 +03:00
Bananymous
aa0929614a
Kernel: Add more structures to ACPI
2023-08-04 15:13:47 +03:00
Bananymous
3c31fc9c4b
Kernel: Implement basic MMIO functions
...
This is equivalent to IO.h except for memory mapped io instead of
IO ports
2023-08-04 15:12:29 +03:00
Bananymous
7eb2c140fe
Kernel: Move RTC to Timer directory
...
PIT ms counter seems to be off by multiple seconds/minute. I will
be probably changing to HPET for system time
2023-08-04 11:12:16 +03:00
Bananymous
659adb89a6
Kernel: Start work on abstracting Timers
2023-08-04 10:29:42 +03:00
Bananymous
dd17124c77
Kernel: Remove unnecessary timer check from Scheduler
2023-08-04 10:29:42 +03:00
Bananymous
453a5387cb
BAN: UniqPtr can now be constructed from other convertible UniqPtr
2023-08-04 10:29:42 +03:00
Bananymous
643e87a076
Kernel: Threads are deleted sooner and cleaner
...
We now delete threads when
1. it is marked as Terminated and is the current thread
2. it tries to start execution in Terminated state
This allows us to never have thread executing in Terminated state
2023-08-04 10:29:42 +03:00
Bananymous
20eafb4cc4
Kernel: align userspace stacks
...
I was getting #GP on sse instructions
2023-08-03 18:09:48 +03:00
Bananymous
e715d52f80
LibC: fix typo
2023-08-02 22:10:12 +03:00
Bananymous
3139391e06
Kernel: Change PageTable API
...
Getting free pages not reserves them, so you don't have to hold
the page table lock :)
2023-08-02 22:09:14 +03:00
Bananymous
64ad752e73
Kernel: PageTable now supports reserved pages
...
You can now map pages as reserved, so that they will not be given
from get_free_page() or get_free_contiguous_pages().
2023-08-01 16:35:54 +03:00
Bananymous
dddfa308d7
Shell: Print if the process exited because of a signal
2023-08-01 14:24:36 +03:00
Bananymous
a78a7ed156
Kernel: Cleanup returns from any kind on interrupts
2023-08-01 14:23:50 +03:00