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
0abe30af38
BuildSystem: only apply stack usage warning to libc
2023-08-17 20:49:52 +03:00
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
79f3aa5419
Kernel/LibC: add dup() syscall and function
2023-08-17 12:03:29 +03:00
569e76a848
LibC: printf handles nan and inf
2023-08-16 10:49:34 +03:00
3a36c30e80
LibC: math.h defines is*() macros and uses builtins for values
2023-08-16 10:41:55 +03:00
9ab7e76a3b
LibC: cleanup fstatat
2023-08-11 12:25:15 +03:00
9cb50cba33
LibC: Fix S_IF* macros and add macros for access/type masks
2023-08-11 10:30:50 +03:00
e715d52f80
LibC: fix typo
2023-08-02 22:10:12 +03:00
b4eddf04c4
LibC: sys/wait.h now has proper exit status macros
...
We use the same format as basically every implementation
2023-08-01 10:32:04 +03:00
2a851b52f1
BuildSystem: Edit build flags regarding sse and warnings
2023-07-31 22:31:17 +03:00
834bf33e57
LibC: we don't parse syscall arguments in unistd
...
We just call Kernel::syscall() with 5 arguments from the variadic function.
This was a necessary addition since the syscall() function
used over 2 KiB of stack space.
2023-07-31 22:24:11 +03:00
f6ee4b3496
Kernel: Implement SYS_GET_PID and SYS_TCSETPGID
...
we don't have consept of process groups yet
2023-07-24 22:29:59 +03:00
2dce0a0415
Kernel: Userspace signal handlers are now called one at a time
...
I added a syscall for telling the kernel when signal execution has
finished. We should send a random hash or id to the signal trampoline
that we would include in the syscall, so validity of signal exit can
be confirmed.
2023-07-23 13:34:53 +03:00
d560137ae6
Kernel/LibC: add SYS_SIGNAL/signal()
2023-07-21 20:08:13 +03:00
c12f4fb40f
Kernel: Make signals more POSIX
2023-07-21 20:01:12 +03:00
10169d773d
Kernel/LibC: Add SYS_KILL/kill()
2023-07-21 19:27:38 +03:00
c2cf98e32f
Kernel/LibC: Add bareboness signals
...
You can now call raise() to raise a signal. Signal handlers are
not yet supported, but the handling works :)
2023-07-21 15:45:02 +03:00
4154f43b49
LibC: add getpwname() and getpwuid()
2023-07-13 12:01:16 +03:00
b1fcb0b58f
LibC: implement endpwent(), getpwent() and setpwent()
2023-07-13 11:22:09 +03:00
f7c4bc908e
Kernel: open() and openat() now take mode as parameter
...
O_CREAT now tries to create file if O_CREAT is specified
2023-07-10 15:08:54 +03:00
51e4b11890
LibC: add NAME_MAX to limits.h
...
This is defined to 255 which is _XOPEN_NAME_MAX, smallest value
for XOPEN compliance
2023-07-10 11:48:11 +03:00
a337f414fc
LibC: limits.h now defined OPEN_MAX
2023-07-07 23:08:49 +03:00
07fec6e211
Kernel/LibC: add basic dup2
2023-07-06 23:17:54 +03:00
4cd72992c8
Kernel/LibC: Add basic pipe() syscall and command
...
You can now create pipes :)
2023-07-06 22:16:26 +03:00
cdcb395640
LibC: add read() and write() to unistd
2023-07-06 22:15:55 +03:00
1fb305fa45
Kernel/LibC: add clock_gettime() for CLOCK_MONOTONIC
...
This gets the number of milliseconds since boot
2023-07-06 00:38:29 +03:00
60fe5a656c
LibC: Fix syscall SYS_READ and SYS_WRITE arguments
2023-06-19 10:38:29 +03:00
f09b82c4b5
Kernel/LibC: add SYS_{SET,GET}_PWD and chdir, getpwd
2023-06-12 02:02:52 +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
...
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
297141f321
LibC: add strchrnul()
...
this is a gnu libc extension
2023-06-11 20:18:03 +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
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
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
24993f6020
LibC: implement setenv, unsetenv, putenv
2023-06-05 22:51:02 +03:00
55ea5c5488
Kernel: add basic support for environment variables
...
exec functions will search files from PATH
2023-06-05 22:51:02 +03:00
896b919c9d
Kernel/LibC: pass environ pointer to process
2023-06-05 21:12:08 +03:00
a7dc7ecb90
LibC: abort now prints 'abort()' and exits
...
we used to call assert in abort which then recursively called
abort again.
2023-06-05 18:23:19 +03:00
d1ad38c8d4
Kernel/LibC: add SYS_STAT and stat(), lstat()
2023-06-05 14:37:14 +03:00
40055f023c
LibC: add wait and waitpid
...
Note that wait() doesn't work since only waiting for specified
pid is supported. wait() will just return -1 and set errno to
ECHILD.
2023-06-04 18:00:52 +03:00
3a79880e69
LibC: printf string persision works now
2023-06-03 15:07:02 +03:00
88e92eec9e
LibC: Add simple definition for realloc
...
The syscall just crashes the kernel currently. I will implement
this when needed
2023-06-02 17:56:13 +03:00
a41b8e416f
LibC: add __cxa_at_exit() for libc
2023-06-02 17:50:55 +03:00
8716c8baf4
LibC: remove select() declaration
...
This already comes from sys/select.h
2023-06-02 17:29:09 +03:00
2d67a7153b
LibC: rename [[noreturn]] to __attribute__((__noreturn__))
...
This compiles with C compiler
2023-06-02 17:28:36 +03:00
3fcc7c6768
LibC: stdlib.h doesn't seem to typedef wchar_t without __need_wchar_t
2023-06-02 17:27:31 +03:00
5d2a062b36
LibC: fix INFINITY definition typo
2023-06-02 17:27:14 +03:00
e517ff6b6d
LibC: fix DIR typedef for C code
2023-06-02 17:26:38 +03:00
7296846a81
LibC: complex.h undefs I before defining it
2023-06-02 17:13:09 +03:00
6abcb0de9b
LibC: mbstate_t is empty struct
2023-06-02 17:10:29 +03:00
40f9d9d9bc
LibC: fix sig_atomic_t definition
2023-06-02 17:08:43 +03:00
a378e59432
BuildSystem: link libraries when they change
...
This also fixed the need for manual linkin on firt build
2023-05-31 23:01:40 +03:00
0f412e570c
LibC: add execl
2023-05-31 22:36:26 +03:00
24a190d1f7
Kernel: Add SYS_EXEC syscall
2023-05-31 20:57:33 +03:00
e8f820ef8d
LibC: Fix some headers to make gcc build again
2023-05-30 01:17:45 +03:00
fb17af4844
Kernel/LibC: opening standard files is done in libc
2023-05-29 20:21:19 +03:00
9a8512887f
LibC: open() now just returns syscall(SYS_OPEN, ...)
...
errno is handled in syscall()
2023-05-29 20:19:17 +03:00
998999a755
Kernel: Add SYS_SLEEP
2023-05-28 22:34:48 +03:00
f2d767b799
Kernel: Add bareboness fork() function
2023-05-28 18:08:49 +03:00
dd4973ac35
LibC: fputs uses fputc instead of putc
2023-05-28 17:48:34 +03:00
faf14b880e
LibC: Rewrite all the headers.
...
We now have more or less posix issue 2018 conforming libc headers.
This was a really time consuming and boring operation but it had to
be done.
Now we get to actually start implementing libc :)
2023-05-26 22:31:21 +03:00
1658e925f2
Kernel: Add bareboness possibility to set termios
2023-05-26 22:31:21 +03:00
80d9f6131b
Kernel/LibC: move file offset back to kernel
...
This makes keeping track of offsets easier and more proper
2023-05-26 22:31:21 +03:00
8ec675cca6
LibC: fix bugs with printf
2023-05-15 22:47:08 +03:00
7543fadfa8
LibC: printf now prints 0 as integer
2023-05-11 18:20:37 +03:00
729ff267d7
LibC: add function declarations to sys/stat.h
2023-05-11 15:11:33 +03:00
d9be14e1fb
LibC: add function declarations to dirent.h
2023-05-11 01:42:52 +03:00
8a9f9b07e7
LibC: add definitions to math.h
2023-05-11 01:40:42 +03:00
c989a01913
LibC: add defines in stdio.h
2023-05-11 01:39:16 +03:00
5188efcc57
LibC: add function declarations to unistd.h
2023-05-11 00:34:03 +03:00
c05a5b796b
LibC: add function declarations to string.h
2023-05-11 00:34:03 +03:00
f0058e67c2
LibC: add function declarations to math.h
2023-05-11 00:34:03 +03:00
508d6311de
LibC: define all errnos and strerror{name,desk}_np
2023-05-11 00:34:03 +03:00
7c6bf40d0d
LibC: add function declarations to time.h
2023-05-11 00:34:03 +03:00
a74343c589
LibC: add more types to sys/types.h
2023-05-11 00:33:53 +03:00
d188576ef3
LibC: Add dummy signal.h
2023-05-10 23:20:27 +03:00
d922c5e1d0
LibC: add toupper, tolower in ctype.h
2023-05-10 23:13:56 +03:00
0adf24fcad
LibC: Add dummy setjmp.h
2023-05-10 23:00:53 +03:00
80e13965d9
LibC: Add dummy locale.h
2023-05-10 22:58:07 +03:00
36707ec87a
LibC: implement printf conversions e, E, f, F
2023-05-10 22:36:03 +03:00
5f89f083a2
LibC: add math.h with floorl
2023-05-10 22:35:42 +03:00
cae0a1cc60
LibC: add working f modifier to printf
...
This is implementation will write out of bounds if the conversion
takes more than 1024 characters (either super large number or very
big percision).
Also we dont handle NaN and infinity cases
2023-05-10 15:43:42 +03:00
480d92fce5
LibC: add better error string support
2023-05-10 02:22:31 +03:00
49fe3d0d4f
LibC: add probably functional *printf
...
I wrote a general printf function that takes an putc function
pointer. We can use this to implement all the printf family
functions. I haven't done thorough testing with this, but it seems
to be functional for the most part
2023-05-10 02:00:28 +03:00
ff2e2937a5
Kernel: Remove offset from OpenFileDescriptor
...
This is now handled on the libc side. There might be reasons to
have it in kernel side, but for simplicity's sake I'm moving it
to libc for now :)
2023-05-09 20:31:22 +03:00
0cc1fb53d5
LibC: Fix bug in *printf
2023-05-09 20:30:12 +03:00
05046d6e93
BAN: Error uses 64 bit error codes
2023-05-07 02:09:52 +03:00
054c5450df
LibC: syscall() now returns -1 on error and updates errno
2023-05-07 01:51:39 +03:00
12e42f40c5
Kernel/LibC: add free function for FixedWidthAllocator
...
I have to rework the syscall API and allocators in process. For
now this works well enough :)
2023-05-07 01:21:50 +03:00
bcfd838131
Kernel: Add basic fixed width allocator for userspace
...
We have to move process stacks to the general heap and maybe map
kernel to higher half.
2023-05-06 19:58:08 +03:00
e1a6e7c3ac
LibC: add proper stdlib.h header
...
Function declarations taken from the posix specifications
2023-04-27 15:14:03 +03:00
3537d53d5c
LibC: add link to posix stdio.h
2023-04-27 14:16:25 +03:00
1d42b26fce
LibC: Fix some bugs
2023-04-25 13:27:01 +03:00
79812b34b0
LibC: fread() now does a single syscall
2023-04-25 12:38:08 +03:00
cd74b2167d
LibC: Write mostly functioning stdio
2023-04-23 14:32:37 +03:00
ff8c0086e2
LibC: puts() now just calls syscall(SYS_WRITE, ...)
2023-04-22 15:29:38 +03:00
dc1b7cf08f
LibC: syscalls have now proper argument order
2023-04-22 15:29:15 +03:00
d9b7747fc5
LibC: exit() calls _fini()
2023-04-19 00:42:00 +03:00
3f9d6f0311
LibC: add needed stubs to build executables with our compiler
2023-04-12 17:53:02 +03:00
aa2aee684b
Kernel: remove message from BAN::Error
...
We don't store the error message anymore in BAN::Error.
Instead we store a error code that can be mapped into a string.
This allows BAN::Error to only take 4 bytes instead of 128.
We should also make some kernel initialization just panic instead
of returning errors since they are required for succesfull boot
anyway.
2023-04-11 23:25:21 +03:00
781cc78a1f
BuildSystem: Fix header copying to sysroot
...
We used to copy all headers everytime to sysroot which caused
rebuild of the whole os. Now we use the cmake command
'copy_directory_if_different' which seemed to fix this issue :)
2023-04-10 21:07:25 +03:00
25ddc24754
BuildSystem: cmake can now build out libc
...
I can't seem to get libc++ build to work...
2023-04-10 21:07:25 +03:00
989f9ec5fe
LibC: remove old unused files
2023-04-07 02:26:44 +03:00
8a8793fd2d
BuildSystem: you can now build the toolchain with cmake
2023-04-06 00:23:02 +03:00
a5830c5424
LibC: add stubs for a lot of functions
2023-04-05 23:58:40 +03:00
b6896a6d85
LibC: sys/types uses 'typedef' instead of 'using'
2023-04-05 15:03:24 +03:00
67ff01e915
LibC: Add errno ENOTTY
2023-04-05 02:47:37 +03:00
63e863ad35
LibC: Add unistd.h with STD{IN,OUT,ERR}_FILENO definitions
2023-04-05 00:59:48 +03:00
86d777e2eb
LibC: add device macros in sys/sysmacros.h
2023-04-03 10:59:15 +03:00
4c5176f751
BuildSystem: We are now using cmake instead of plain make
...
I have been annoyed for a while since I had to build everything
when running the os since the buildsystem was really bad.
I wanted to rewrite the whole build system and changed to using cmake
:)
2023-04-02 04:07:27 +03:00
d71f1f24e4
LibC: Combine string.h functions definitions to single file
2023-04-02 00:00:29 +03:00
cd0d10b64e
LibC: add ENOBUFS errno
2023-03-29 10:58:25 +03:00
32c3aca52f
LibC: add dirent.h
2023-03-25 02:08:33 +02:00
9fd17ef73c
LibC: Add stat structure
2023-03-24 18:08:22 +02:00
1be8b2f514
LibC: add more typedefs to sys/types
2023-03-23 19:24:12 +02:00
d6e4430692
LibC: add errno NAMETOOLONG
2023-03-23 14:48:42 +02:00
cf2be54e8f
LibC: add errno ENOTEMPTY
2023-03-19 05:43:40 +02:00
3ab62e83d3
LibC: add errno EEXISTS
2023-03-19 04:17:39 +02:00
ceb53533be
LibC: add fcntl.h with some defines
2023-03-17 21:18:41 +02:00
e2707b9416
LibC: Add EBADF errno
2023-03-16 16:22:11 +02:00
4493c9bbe6
LibC: Add ENTOSUP errno
2023-03-16 16:03:51 +02:00
1b7625581d
Kernel: Add basic concept of Processes
...
We now create Shell as a process that has its own threads
2023-03-16 12:17:04 +02:00
10ef3c6a54
LibC: add declarations for malloc and free
2023-03-04 02:59:48 +02:00
53ec66ff86
LibC: strerror now always uses a buffer to which it copies the string
2023-03-02 22:13:08 +02:00
52aa98ba25
Kernel+LibC: Add some errno codes
...
Kernel now returns ENOMEM and other errnos, so we dont have to write
error messages
2023-03-02 21:10:44 +02:00
5cd97e44e2
LibC: Add strcmp and strncmp
2023-02-23 15:57:33 +02:00
9b8de5025a
All: rename every function from UpperCamelCase to snake_case
...
This was a mess since I didn't know which to use but now I decided
to go with snake_case :)
2023-02-01 21:05:44 +02:00
b315fdc27f
Kernel: Finally managed to get 64-bit working
...
I had weird problems with interrupts but everything should work now
2023-01-25 19:19:28 +02:00
fd16c1cf58
LibC: Add is*() functions to libc
2023-01-16 20:05:51 +02:00
6b73547989
All: edit gcc flags
2023-01-13 00:04:15 +02:00
efd8638a96
Kernel: Improve kernel panic message and rename it 'panic'->'Panic'
2023-01-09 21:57:03 +02:00
f4b614aa61
LibC: Add some new functions
2022-12-13 00:51:57 +02:00
ac2ba8bc56
LibC: Remove actual printing from putc() since we were panicing anyway
2022-12-10 00:30:00 +02:00
c17f61611e
Improve buildsystem by making build directory
...
We now create build directory for kernel and libc so that source
directories are kept more clean.
2022-12-03 18:17:37 +02:00
123382eace
Fixes :)
2022-11-15 21:42:14 +02:00
35e21ca4ce
Improve integer printing
2022-11-15 16:34:16 +02:00
9e933a5ec5
Add kernel panic function
2022-11-14 18:53:00 +02:00
b185ed4fd3
Libc is now written in C++
2022-11-14 00:31:24 +02:00
a1a709974a
Add %p to printf
2022-11-13 00:33:45 +02:00
5a3596170c
Add strcpy and strncpy
2022-11-12 23:47:06 +02:00
7ad8189e24
Add somewhat functioning printf
2022-11-12 23:36:39 +02:00
e6b4866ab0
Initial commit. We have a booting kernel
2022-11-12 21:04:47 +02:00
Bananymous