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1167 Commits

Author SHA1 Message Date
Bananymous 08a806e75d Kernel: verify that loaded elfs are executable 2023-06-05 19:29:32 +03:00
Bananymous 73c11c3d29 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 5af77dcfb9 Shell: we now support left/right arrows 2023-06-05 18:24:41 +03:00
Bananymous 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
Bananymous cf88142856 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 efb355c7be BuildSystem: disable nls from gcc 2023-06-05 17:55:47 +03:00
Bananymous d1ad38c8d4 Kernel/LibC: add SYS_STAT and stat(), lstat() 2023-06-05 14:37:14 +03:00
Bananymous 69b94dad00 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 4c40aa6b38 Userspace: Start work on proper shell 2023-06-05 01:42:57 +03:00
Bananymous 5cf3221364 Base: /lib and /bin are now absolute symlinks 2023-06-04 18:12:05 +03:00
Bananymous 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
Bananymous 9fbb2b9369 Kernel: Add SYS_WAIT 
This syscall waits for a given pid.
 2023-06-04 18:00:52 +03:00
Bananymous a3aca67eef Kernel: fork() now clones current thread 
This is how posix specifies thread cloning during fork
 2023-06-04 17:40:37 +03:00
Bananymous 977652ad57 Kernel: Process FixedWidthAllocators come now in 4 sizes 2023-06-04 01:26:43 +03:00
Bananymous 5bf7ca1c80 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 1b1f22c35e Kernel: make load_elf() its own function 2023-06-04 01:24:11 +03:00
Bananymous 479817231a 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 e3c5477df4 Kernel: reorder process exit steps 2023-06-04 01:19:04 +03:00
Bananymous b403155ca9 Kernel: You can specify first vaddr for getting free pages 2023-06-04 01:15:48 +03:00
Bananymous 9fd3111011 BAN: Add UniqPtr 2023-06-04 00:39:20 +03:00
Bananymous 5f339d585c 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 b168462b43 Kernel: PageTable now has debug_dump 
This dumps all the mapped pages and their flags
 2023-06-03 20:08:13 +03:00
Bananymous 68691faca1 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 1e075c248f BAN: Errors now includes assert.h 2023-06-03 18:53:05 +03:00
Bananymous d201e65810 BuildSystem: remove sse and sse2 from userspace 2023-06-03 16:05:32 +03:00
Bananymous 3a79880e69 LibC: printf string persision works now 2023-06-03 15:07:02 +03:00
Bananymous 9228df0f23 Kernel: Inode/Device detection is done with overridden bool functions 2023-06-03 13:28:15 +03:00
Bananymous 402ad85583 Kernel: Heap will return 0 if no free page is available 2023-06-03 02:55:31 +03:00
Bananymous 53e91ba98a Kernel: DiskCache will try to shrink_to_fit after cache cleanup 2023-06-03 02:55:22 +03:00
Bananymous fd153f3762 Kernel: DiskCache won't crash when running out of kmalloc memory 2023-06-03 02:36:20 +03:00
Bananymous 813d0f1b5f Kernel: add basic disk cache 
ATADevices now add disk cache to themselves
 2023-06-03 02:23:14 +03:00
Bananymous 2b901abfb1 Kernel: Shell 'memory' now prints heap memory usage 2023-06-03 02:22:18 +03:00
Bananymous d4289f9e74 Update README.md 2023-06-02 18:43:30 +03:00
Bananymous 3a5d6914ba Userspace: create_program creates proper cmake files again 2023-06-02 18:42:25 +03:00
Bananymous e96efea2fb BuildSystem: all scripts have now bash shebang 
I could not use the scripts on debian
 2023-06-02 18:41:45 +03:00
Bananymous 2df7f8a1e5 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 8645c4c653 Kernel: Shell ls and stat now properly show symlinks 2023-06-02 18:22:56 +03:00
Bananymous 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
Bananymous a41b8e416f LibC: add __cxa_at_exit() for libc 2023-06-02 17:50:55 +03:00
Bananymous 8716c8baf4 LibC: remove select() declaration 
This already comes from sys/select.h
 2023-06-02 17:29:09 +03:00
Bananymous 2d67a7153b LibC: rename [[noreturn]] to __attribute__((__noreturn__)) 
This compiles with C compiler
 2023-06-02 17:28:36 +03:00
Bananymous 3fcc7c6768 LibC: stdlib.h doesn't seem to typedef wchar_t without __need_wchar_t 2023-06-02 17:27:31 +03:00
Bananymous 5d2a062b36 LibC: fix INFINITY definition typo 2023-06-02 17:27:14 +03:00
Bananymous e517ff6b6d LibC: fix DIR typedef for C code 2023-06-02 17:26:38 +03:00
Bananymous 7296846a81 LibC: complex.h undefs I before defining it 2023-06-02 17:13:09 +03:00
Bananymous 6abcb0de9b LibC: mbstate_t is empty struct 2023-06-02 17:10:29 +03:00
Bananymous 40f9d9d9bc LibC: fix sig_atomic_t definition 2023-06-02 17:08:43 +03:00
Bananymous 7aea8c45f7 Kernel: VFS now has max link depth of 100 2023-06-02 12:50:40 +03:00
Bananymous 7bbdee6cc4 Kernel: Symlinks are now working 
We still have to implement loop or depth detection
 2023-06-02 11:43:46 +03:00
Bananymous efb3271588 BAN: Fix function call in Vector 2023-06-01 00:50:04 +03:00