Bananymous
42b90ae76c
Kernel/LibC: Add {get,set}pgrp()
2023-08-22 11:36:33 +03:00
Bananymous
ccc61cb10c
Kernel: Barebones implementation sessions and process groups
2023-08-22 11:35:40 +03:00
Bananymous
be5b81740e
BAN: Add enum class Iteration for for_each loops
2023-08-22 11:30:53 +03:00
Bananymous
e7458ca10a
BAN: Function call is now const
2023-08-22 11:30:40 +03:00
Bananymous
b10168eb1c
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
30463c9082
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
dc7391dc89
BuildSystem: only apply stack usage warning to libc
2023-08-17 20:49:52 +03:00
Bananymous
eb98d70a0b
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
dcd8374b89
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
8e4216215e
Kernel/LibC: add dup() syscall and function
2023-08-17 12:03:29 +03:00
Bananymous
5bd7099b96
Shell: add basic printf test
2023-08-16 10:49:34 +03:00
Bananymous
9a63d3b2da
LibC: printf handles nan and inf
2023-08-16 10:49:34 +03:00
Bananymous
bf02330db9
LibC: math.h defines is*() macros and uses builtins for values
2023-08-16 10:41:55 +03:00
Bananymous
5806a6484f
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
0fa5401800
Shell: $? returns last return value
2023-08-15 09:17:46 +03:00
Bananymous
b30f4cbfb5
Userspace: Add basic whoami command
2023-08-15 09:03:51 +03:00
Bananymous
ba37183c9c
Shell: '\u' in PS1 is replaced with username corresponding to euid
2023-08-14 14:55:23 +03:00
Bananymous
2f298a1979
Shell: ^A moves cursor to the beginning of line
2023-08-14 12:26:22 +03:00
Bananymous
8c282a5d83
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
d34c0a5abe
LibC: cleanup fstatat
2023-08-11 12:25:15 +03:00
Bananymous
8f3348cf2b
Kernel: open() now validates file access mode
2023-08-11 11:53:38 +03:00
Bananymous
38c0bc7bae
Kernel: Remove unused syscall
2023-08-11 11:43:48 +03:00
Bananymous
313b00b11f
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
165a379c73
LibC: Fix S_IF* macros and add macros for access/type masks
2023-08-11 10:30:50 +03:00
Bananymous
a7f37236bf
Kernel: Zero initialize threads sse_storage
2023-08-11 00:26:43 +03:00
Bananymous
51532336b0
Kernel: Move structures in boot.S to .data section
2023-08-11 00:26:12 +03:00
Bananymous
03d4b47f63
Kernel: HPET is now used in legacy mode when PIC is forced
2023-08-10 22:01:30 +03:00
Bananymous
8b57edde6b
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
778778fede
Kernel: HPET doesn't use the legacy mapping anymore
2023-08-10 21:08:32 +03:00
Bananymous
f7449c4ab9
Kernel: APIC now uses MMIO namespace functions for mmio
2023-08-10 21:07:23 +03:00
Bananymous
fd2bcc9156
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
a5b1555725
Kernel: Validate HPET tick period
2023-08-09 09:50:38 +03:00
Bananymous
e74fdbc55b
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
008c777a9f
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
d8a9d4a24e
Kerne: SystemTimer can now output the current real time
2023-08-04 16:06:47 +03:00
Bananymous
bc0e1fa898
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
17f1737c9a
Kernel: Add function to retrieve boot time as timespec
2023-08-04 16:06:47 +03:00
Bananymous
868444f043
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
fdae253695
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
d4adcff958
Kernel: Move sleep() implementation to TimerHandler
2023-08-04 15:15:00 +03:00
Bananymous
2c59c9a3cc
Kernel: Add more structures to ACPI
2023-08-04 15:13:47 +03:00
Bananymous
3a59a64355
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
9363c1cdaf
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
198e6d7cf6
Kernel: Start work on abstracting Timers
2023-08-04 10:29:42 +03:00
Bananymous
07ee898f4f
Kernel: Remove unnecessary timer check from Scheduler
2023-08-04 10:29:42 +03:00
Bananymous
6feb8a99d2
BAN: UniqPtr can now be constructed from other convertible UniqPtr
2023-08-04 10:29:42 +03:00
Bananymous
e57c1fc9fc
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
a11b5ae41f
Kernel: align userspace stacks
...
I was getting #GP on sse instructions
2023-08-03 18:09:48 +03:00
Bananymous
c67a7cec5b
LibC: fix typo
2023-08-02 22:10:12 +03:00
Bananymous
91f04ce250
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