Commit Graph

416 Commits

Author SHA1 Message Date
00f90246c8 Kernel: Implement very basic escape sequences for TextRenderer 2022-10-30 18:34:40 +01:00
08c4dac2c2 Kernel: Enable -Wvla 2022-10-30 18:20:16 +01:00
af0f4d2037 Kernel: Remove /dev/uptime
This information can now be fetched with clock_gettime.
2022-10-30 10:16:53 +01:00
e640c6e245 Kernel, libc, userspace: Add file timestamps (atime,ctime,mtime) 2022-10-30 09:57:17 +01:00
8d46c9bbe2 Kernel, libc: Fix a big bug in printf()
Every time printf flushes the buffer to us in sprintf() or snprintf(), we call strncat to append the data.

But we want to start from the beginning in the first flush. What if there was data already there?
Well, we just append to the old data. Which is not good, and breaks snprintf()'s maximum size policy.

This fix sets the first byte of str to NULL, to avoid this.
2022-10-30 09:53:23 +01:00
688a640a16 Kernel: Add the clock_gettime syscall, which replaces clock as it can be used for more stuff 2022-10-30 09:07:59 +01:00
baf97840e9 Kernel: Keep track of boot time 2022-10-30 09:07:03 +01:00
d1e4bc5504 Kernel: Use framebuffer virtual address instead of physical address
Just found out bootboot.fb_ptr was the physical address, not virtual.
That explains why we were getting page faults while writing to the physical address of the framebuffer. (we were in a user address space when doing so)
So this should probably make the system much more stable!!
2022-10-29 20:10:49 +02:00
32e09d3417 libc: Stub out more functionality so part of binutils builds 2022-10-29 09:39:12 +02:00
2ca20c1a1e compilation fix 2022-10-28 21:02:23 +02:00
e05f3f5325 Kernel: Read file modes from the initrd, filtering out write permissions 2022-10-28 20:52:10 +02:00
a2d9ada4dc oopsie 2022-10-28 19:38:04 +02:00
b8296eb92d su: Also set group ID 2022-10-28 17:55:56 +02:00
09a615bd99 Kernel, libc: Expose processes' UID and GID in pstat() 2022-10-28 17:31:34 +02:00
1c4f1ab867 Kernel, libc: Add setuid() and setgid() system calls 2022-10-28 17:19:26 +02:00
c312d81de4 Kernel, libc: Add st_uid and st_gid to stat, and handle st_mode differently 2022-10-28 17:13:20 +02:00
26b20938de Kernel, libc: Use mode in mkdir() 2022-10-28 17:11:35 +02:00
0115cce750 Kernel/VFS: Add file owners and file modes, and check those in system calls 2022-10-28 17:10:28 +02:00
6ddfc5ee52 Kernel: Invoke sys_stat when asked 2022-10-28 17:06:33 +02:00
16dc227a05 Kernel: Add UID and GID fields to Task 2022-10-28 17:06:13 +02:00
3effe8b004 Kernel: Add EACCES to std/errno.h 2022-10-28 17:02:27 +02:00
50cda50f01 Kernel, libc: Add F_GETFD, F_SETFD and FD_CLOEXEC 2022-10-27 17:17:24 +02:00
fcf53ef6a5 Kernel: Make waitpid() block by default unless WNOHANG is specified 2022-10-27 17:05:42 +02:00
06e6429567 Kernel: Reorganize a bit of scheduler code 2022-10-27 08:07:34 +02:00
f9dad8a8d6 Kernel, libc: Stub out struct stat.st_dev 2022-10-27 08:01:33 +02:00
9b0f6b6595 Kernel, libc: Add O_EXCL 2022-10-27 07:55:59 +02:00
1c35eabb2b open(): Add a third optional mode argument 2022-10-27 07:52:57 +02:00
a3c6635f3e Kernel, libc: Add O_APPEND and stub out O_CREAT and O_TRUNC 2022-10-27 07:43:55 +02:00
41f7232b77 Devices: Return EOF after first read for some devices
Still not optimal.
2022-10-26 20:54:47 +02:00
e1f58c0163 Kernel: If wrapping a line at screen bottom, scroll properly 2022-10-26 20:14:24 +02:00
a4e430d35e Kernel: count the null byte while calculating how much stack space argv will use 2022-10-26 20:05:24 +02:00
7d20c507b1 Kernel, libc, userspace: Implement command-line arguments (argv)
The only thing missing now is for sh to pass them on.
2022-10-26 18:57:06 +02:00
af452e2b2a Kernel, libc: Add dup2() 2022-10-25 18:58:06 +02:00
af46b8d9ac Kernel: Cleanup file descriptor validation 2022-10-25 18:35:17 +02:00
ec2c314234 Kernel: Add /dev/null 2022-10-25 17:59:55 +02:00
d458c5c848 Fix kernel/Makefile 2022-10-24 20:52:11 +02:00
0dec5f7bad libc: Add dummy getcwd() 2022-10-24 17:05:28 +02:00
58b01b74e2 Kernel, libc: Add stat() 2022-10-23 18:35:32 +02:00
0c04246300 Next version! 2022-10-23 17:24:18 +02:00
e457b88b04 Kernel, libc: Implement O_DIRECTORY and use that in dirent.h 2022-10-23 14:46:27 +02:00
8bf2904d74 libc: Implement a basic subset of dirent.h 2022-10-23 14:41:45 +02:00
14367f07b5 Kernel: Add support for getdents() to DeviceFS 2022-10-23 14:05:55 +02:00
78d72c2f0c Kernel, libc: Add a getdents() system call
This is meant to be a low-level interface to implement dirent.h on top of.
2022-10-23 14:03:46 +02:00
cf94ca2a4e Kernel: Update libk's string.h 2022-10-22 19:06:06 +02:00
437f51add7 Kernel: move over the mem* functions from libc 2022-10-22 19:04:35 +02:00
20429929dd InitRD: Bump up the filesystem limits 2022-10-22 17:23:22 +02:00
58ca030711 initrd: warn when failing to register stuff 2022-10-22 17:21:34 +02:00
fef7dd5867 Rename [moon-reaper] to [reaper] 2022-10-22 14:43:41 +02:00
bcdcfc4b45 Kernel: Add a pstat() system call
Not part of C or POSIX, but since there is no procfs right now, I thought it would be nice to have an interface to query process information.
It works like this: you pass the process ID and a pointer to a struct pstat (can be null).
If the process ID is -1, the kernel picks the process with the highest PID.
Then, if the pointer to a pstat struct is not null, the kernel fills it in with the process's information, and returns the process's PID.
2022-10-22 14:26:29 +02:00
6816a5b11f Scheduler: do not reboot on PID 1 exit if we are in a test 2022-10-22 11:56:08 +02:00