275a730485
LibELF: We use BAN::Vector<uint8_t> as elf storage
...
This is made possible by the dynamic kmalloc
2023-06-18 23:29:23 +03:00
9a7b2587af
Kernel: kmalloc has now somewhat dynamic storage
...
Allocations bigger than PAGE_SIZE and those not forced to be identity
mapped are now done on a GeneralAllocator. This allows us to use kmalloc
for big allocations; bigger than the fixed 1 MiB storage.
This is still a hack and the whole kmalloc will have to be rewritten at
some point, but for now this does the job :D
2023-06-18 23:27:00 +03:00
09c824b90e
Kernel: Add GeneralAllocator::paddr_of
...
Yoy can now query physical address of a virtual address for general
allocator allocation
2023-06-18 23:25:51 +03:00
57e59d998f
Kernel: Add enum for ISR name to number
2023-06-18 23:24:27 +03:00
44fb3945df
Kernel: General allocator takes first valid vaddr as parameter
2023-06-17 22:23:34 +03:00
95c4e608de
Kernel: Move print during boot
2023-06-12 23:45:36 +03:00
b9603d9d23
BAN: Optional can be constructed inplace
2023-06-12 23:45:36 +03:00
16e5f96b1d
BAN: Add operator-> and operator* to Optional
2023-06-12 22:25:14 +03:00
d0a0e3bdef
Userspace: Add u8sum
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This program caluculates the sum of bytes in file mod 256
2023-06-12 20:36:16 +03:00
5dcc53bcf2
Kernel: Make disk IO blocking thread safe
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This was causing a lot of deadlocks on vms without kvm accel
2023-06-12 18:57:47 +03:00
23543b15ca
Kernel: Rework syscall calling
...
I removed the intermediate function when calling syscalls. Now syscall
handler calls the current process automatically. Only exception is
sys_fork, since it needs a assembly trampoline for the new thread.
2023-06-12 14:16:48 +03:00
2253c45feb
Kernel: Remove Shell from kernel
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This is now obsolete since we have a userspace Shell.
2023-06-12 02:04:52 +03:00
9f9a70713e
Base: add home directories for root and user
2023-06-12 02:03:13 +03:00
cd57adc856
BuildSystem: every file except /home/* is now owned by root
2023-06-12 02:03:13 +03:00
b4b892148c
Userspace: Shell processes PS1 '\~' as cwd and implement cd
2023-06-12 02:03:13 +03:00
048183ddb5
Userspace: init now sets HOME environment variable and cd's into HOME
2023-06-12 02:02:52 +03:00
f09b82c4b5
Kernel/LibC: add SYS_{SET,GET}_PWD and chdir, getpwd
2023-06-12 02:02:52 +03:00
7aeb8e4d36
Kernel: allocate thread stacks from 0x300000 onwards
...
I had a problem where thread stack was overlapping with elf loading
2023-06-12 01:02:19 +03:00
58ec4d6a31
Kernel: Fix bug in elf loading
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We were allocating one extra page
2023-06-12 00:59:19 +03:00
25f8343269
Userspace: init now default logins as user
2023-06-12 00:46:07 +03:00
e9cb844c28
Userspace: Shell now uses PS1 as prompt if set
2023-06-12 00:45:47 +03:00
30ac046232
Userspace: Add color to ls
2023-06-11 23:00:19 +03:00
f67f8ccbe0
Userspace: init now sets user and group ids before running their shell
2023-06-11 22:37:00 +03:00
e9217b3484
Userspace: Add basic id that prints {,e}{uid,gid} of the current proc
2023-06-11 22:37:00 +03:00
11b68f6a53
Kernel: Add SYS_GET_{,E}{UID,GID}
2023-06-11 22:37:00 +03:00
3fe67e4882
Kernel: Add syscalls for set{,e,re}{uid,gid}
2023-06-11 22:37:00 +03:00
9288537949
LibC: gid_t and id_t are now signed types
...
I have no idea why I had made them unisigned
2023-06-11 22:37:00 +03:00
78536f9678
Kernel/Userspace: Add basic init process
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This process parses /etc/passwd and promps login screen.
When an username is entered, it will launch that users shell
2023-06-11 22:37:00 +03:00
cce2f3e19a
BAN: Add basic Optional
2023-06-11 21:00:25 +03:00
297141f321
LibC: add strchrnul()
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this is a gnu libc extension
2023-06-11 20:18:03 +03:00
c7ec19c25c
Kernel: Add basic Credentials for the system
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Now filesystem access/open, etc confirm that you have access for rwxs
2023-06-11 20:06:06 +03:00
3181ea7b4d
Kernel: GeneralAllocator and FixedWidth allocator invalidate TLB caches
...
We were getting random exceptions when reallocating same addressess and
this fixes that problem :)
2023-06-11 15:57:48 +03:00
1cf464d5c7
Userspace: add basic ls command
2023-06-11 03:38:44 +03:00
83a6e6f637
LibC: Reorder some syscalls
2023-06-11 03:29:22 +03:00
64890bb640
Kernel: Add SYS_OPENAT
2023-06-11 03:29:22 +03:00
caca6dc701
Kernel: Exceptions will now enable interrupts before calling exit()
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this allows scheduler verification on reschedule() not panic
2023-06-11 03:29:22 +03:00
68ec443e07
LibC: implement close
2023-06-11 03:29:22 +03:00
aa86125f2b
Kernel: Implement SYS_FSTAT
2023-06-11 03:29:22 +03:00
c423164066
LibC: Implement basic dirent functionality
...
We don't currently support seeking
2023-06-11 03:29:22 +03:00
14aeb8de10
Kernel: we don't panic anymore on unrecognized syscall
2023-06-11 00:18:48 +03:00
691b17e0cc
Kernel: allow open() call with O_SEARCH
2023-06-11 00:18:34 +03:00
eae6119039
Kernel: Add syscall for reading directory entries
2023-06-11 00:18:08 +03:00
30f81e1696
LibC: add missing O_EXEC and O_SEARCH
2023-06-11 00:17:18 +03:00
01311b470f
Kernel: Rewrite directory listing so it can be integrated to libc
2023-06-11 00:17:18 +03:00
223d2ac3a6
Userspace: fix return values of cat and echo
2023-06-10 17:34:10 +03:00
4cdeb98897
Kernel: We now store the processes exit code
2023-06-10 17:31:56 +03:00
47c69e9def
Userspace: add exit to shell
2023-06-09 01:51:23 +03:00
9728947d5d
Userspace: add echo
2023-06-09 01:50:18 +03:00
66fe48e94b
Userspace: add ^L support for shell
2023-06-09 01:24:33 +03:00
c0fe4756cb
Kernel: SpinLocks now reschedule if they cannot aquire the lock
...
This allows us to not actually spin doing nothing while waiting for
another (not executing) to release the lock. This api won't probably
work when we get to SMP
2023-06-09 00:53:32 +03:00
Bananymous