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723 Commits 1 Branch 0 Tags 12 MiB
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723 Commits

Author SHA1 Message Date
Bananymous 064ce568c2 Kernel: add basic support for environment variables 
exec functions will search files from PATH
 2023-06-05 22:51:02 +03:00
Bananymous 6aff459e1c BAN: add StringView::contains(char) 2023-06-05 22:51:02 +03:00
Bananymous 0b1b4d8f7e Kernel: exec now has better posix errors 2023-06-05 21:12:08 +03:00
Bananymous 3fc2c3529a Shell: load old termios for process execution 2023-06-05 21:12:08 +03:00
Bananymous b0e9ab0519 Kernel/LibC: pass environ pointer to process 2023-06-05 21:12:08 +03:00
Bananymous 668517a723 Kernel: TTY now actually flushes on ^D 2023-06-05 20:21:46 +03:00
Bananymous 649f08ec78 Kernel: verify that loaded elfs are executable 2023-06-05 19:29:32 +03:00
Bananymous 2f2c298c68 Shell: add bareboness utf8 support 
This should work as long as TTY provides only valid utf8.
If the utf is invalid, assertion fails and the shell dies.
 2023-06-05 18:55:22 +03:00
Bananymous 90e48970e6 Shell: we now support left/right arrows 2023-06-05 18:24:41 +03:00
Bananymous 480842a203 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
Bananymous 5425394880 Kernel: TTY now supports CSI s and u 
These are commonly supported values to save and load cursor
position
 2023-06-05 18:19:13 +03:00
Bananymous a365813fa9 BuildSystem: disable nls from gcc 2023-06-05 17:55:47 +03:00
Bananymous 9d64dbd5c2 Kernel/LibC: add SYS_STAT and stat(), lstat() 2023-06-05 14:37:14 +03:00
Bananymous 30bb61a775 Base: revert bin and lib symlinks to relative paths 
Absolute paths fucked up toolchain building and usespace linking,
since g++ was finding host libraries from /usr/lib.
 2023-06-05 10:08:01 +03:00
Bananymous 1f36ed0cf9 Userspace: Start work on proper shell 2023-06-05 01:42:57 +03:00
Bananymous d54c76f88a Base: /lib and /bin are now absolute symlinks 2023-06-04 18:12:05 +03:00
Bananymous cbb9f47ee5 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
Bananymous b68d5a5833 Kernel: Add SYS_WAIT 
This syscall waits for a given pid.
 2023-06-04 18:00:52 +03:00
Bananymous 94d2090777 Kernel: fork() now clones current thread 
This is how posix specifies thread cloning during fork
 2023-06-04 17:40:37 +03:00
Bananymous e97585daf9 Kernel: Process FixedWidthAllocators come now in 4 sizes 2023-06-04 01:26:43 +03:00
Bananymous 924fc2118c Kernel: Allocators are now stored in UniqPtr 
This allows proper memory management, we had some memory leak
 2023-06-04 01:25:57 +03:00
Bananymous 51f4c0c750 Kernel: make load_elf() its own function 2023-06-04 01:24:11 +03:00
Bananymous 37b93da650 Kernel: PhysicalRange maps its nodes to kernel vaddr space 
This keeps the lower half of address space cleaner
 2023-06-04 01:20:47 +03:00
Bananymous 35e739dcdd Kernel: reorder process exit steps 2023-06-04 01:19:04 +03:00
Bananymous 8352392b38 Kernel: You can specify first vaddr for getting free pages 2023-06-04 01:15:48 +03:00
Bananymous 413f05bfca BAN: Add UniqPtr 2023-06-04 00:39:20 +03:00
Bananymous dc1aff58ed Kernel: PAGE_FLAG_MASK is now only 0xF 
We don't care currenly about anything but the last few bits
 2023-06-03 20:08:13 +03:00
Bananymous 9f75d9cfe5 Kernel: PageTable now has debug_dump 
This dumps all the mapped pages and their flags
 2023-06-03 20:08:13 +03:00
Bananymous a42af7e973 Kernel: boot.S is back to 2 MiB pages 
bochs doesn't seem to support 1 GiB pages
 2023-06-03 18:53:36 +03:00
Bananymous 2ce244d303 BAN: Errors now includes assert.h 2023-06-03 18:53:05 +03:00
Bananymous a775a920d0 BuildSystem: remove sse and sse2 from userspace 2023-06-03 16:05:32 +03:00
Bananymous 4f84faf392 LibC: printf string persision works now 2023-06-03 15:07:02 +03:00
Bananymous a4cb5d8360 Kernel: Inode/Device detection is done with overridden bool functions 2023-06-03 13:28:15 +03:00
Bananymous da7f09cf82 Kernel: Heap will return 0 if no free page is available 2023-06-03 02:55:31 +03:00
Bananymous 0166af472b Kernel: DiskCache will try to shrink_to_fit after cache cleanup 2023-06-03 02:55:22 +03:00
Bananymous 884d986bd6 Kernel: DiskCache won't crash when running out of kmalloc memory 2023-06-03 02:36:20 +03:00
Bananymous 59b807189f Kernel: add basic disk cache 
ATADevices now add disk cache to themselves
 2023-06-03 02:23:14 +03:00
Bananymous fb1c7015b1 Kernel: Shell 'memory' now prints heap memory usage 2023-06-03 02:22:18 +03:00
Bananymous d4123f62b2 Update README.md 2023-06-02 18:43:30 +03:00
Bananymous a3f410d1a1 Userspace: create_program creates proper cmake files again 2023-06-02 18:42:25 +03:00
Bananymous 1d19a4bffe BuildSystem: all scripts have now bash shebang 
I could not use the scripts on debian
 2023-06-02 18:41:45 +03:00
Bananymous 271dd91292 BuildSystem: add rule to build libstdc++ 
We can now build libstdc++ and actually link with g++
 2023-06-02 18:39:42 +03:00
Bananymous 9bd4d68f9c Kernel: Shell ls and stat now properly show symlinks 2023-06-02 18:22:56 +03:00
Bananymous 3c3c7826ef 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
Bananymous 2207357b93 LibC: add __cxa_at_exit() for libc 2023-06-02 17:50:55 +03:00
Bananymous 3a69768eb0 LibC: remove select() declaration 
This already comes from sys/select.h
 2023-06-02 17:29:09 +03:00
Bananymous afb29ff3ec LibC: rename [[noreturn]] to __attribute__((__noreturn__)) 
This compiles with C compiler
 2023-06-02 17:28:36 +03:00
Bananymous e6f0f891a6 LibC: stdlib.h doesn't seem to typedef wchar_t without __need_wchar_t 2023-06-02 17:27:31 +03:00
Bananymous 36e5aa4683 LibC: fix INFINITY definition typo 2023-06-02 17:27:14 +03:00
Bananymous 7738050105 LibC: fix DIR typedef for C code 2023-06-02 17:26:38 +03:00