Commit Graph

770 Commits

Author SHA1 Message Date
7391d91317 Kernel/LibC: add SYS_SIGNAL/signal() 2023-07-21 20:08:13 +03:00
2149cec29f Kernel: Make signals more POSIX 2023-07-21 20:01:12 +03:00
ad756c36fc Kernel/LibC: Add SYS_KILL/kill() 2023-07-21 19:27:38 +03:00
b56316e9da Kernel: Scheduler now sends queued signals 2023-07-21 19:27:10 +03:00
a989c44211 Kernel: Make signals thread specific 2023-07-21 19:00:59 +03:00
217e5f81cc Kernel: add default signal actions 2023-07-21 18:02:35 +03:00
5f2549b198 BuildSystem: Strip kernel. We will add the map once we use it 2023-07-21 15:47:31 +03:00
dcd4d0daeb 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
faf4220b38 Kernel: kernel memory takes now full pml4e
This allows flags to work properly
2023-07-21 13:47:05 +03:00
193ddaa2f6 Kernel: remove PAGE_FLAGS_MASK as that was not correct anymore
After I added NXE bit, the flags mask is no longer valid
2023-07-21 12:01:50 +03:00
46eb27883a Kernel: Don't map kernel executable memory as writable 2023-07-21 11:17:39 +03:00
2db7cdb71e Kernel: Syscalls now get the interrupt stack 2023-07-21 11:04:16 +03:00
f8a1a10897 Kernel: add NullDevice to /dev/null 2023-07-20 00:06:22 +03:00
adbe13938e Kernel: move Device.h to its own directory 2023-07-19 23:55:38 +03:00
4d5b14753d Kernel: cleanup sys_exec()
We now scope everyting so desctructors get called
2023-07-19 23:20:39 +03:00
ba9fa00947 Kernel: fix memory leak in PageTable
PageTable used to leak 2 pages on creation and other two on deletion
2023-07-19 23:17:39 +03:00
98cedf155c Kernel: FixedWidthAllocator creation can now fail 2023-07-19 18:07:24 +03:00
88e3998664 Kernel: VirtualRange creation can fail 2023-07-19 17:56:26 +03:00
c0c0bbc1bf Kernel: SYS_FORK can now fail instead of panicing on error 2023-07-19 17:47:12 +03:00
650e1b4fc5 Kernel: Fix bug which made bochs unbootable
We could not boot if ATABus did not have valid primary device.
2023-07-13 15:53:09 +03:00
6c1ada8d0a Kernel: Enable global bit on kernel pages 2023-07-13 15:23:25 +03:00
7d00c2670f Kernel: Support execute disable bit
We will now map executable memory explicitly as executable.
2023-07-13 14:28:53 +03:00
bca7e9a1e8 Kernel: CPUID can detect wether cpu supports nxe bit 2023-07-13 14:24:58 +03:00
3748f0304f Kernel: Fix multiple bugs with terminal 2023-07-13 13:09:52 +03:00
2576bdbd14 Kernel: Fix ATA disk and partition numbering 2023-07-13 12:12:47 +03:00
72041a52e8 Kernel: Ext2Inode::create_file actually sets the inode data
We used to just create inode without touching its memory.
2023-07-13 10:20:56 +03:00
74c79c7eff Kernel: Rewrite whole device structure
We now have DevFileSystem which is derived from RamFileSystem. All
devices are RamInodes. We don't have separate DeviceManager anymore.
To iterate over devices, you can loop througn every inode in devfs.
2023-07-10 23:17:14 +03:00
5a5656b2d3 Kenrel: RamInode now implements truncate() 2023-07-10 16:07:09 +03:00
1a1e584cba Kernel: OpenFileDescriptors can now store more than 8 bits of flags 2023-07-10 16:06:36 +03:00
65fa05f998 Kernel: add O_TRUNC
this is not supported by anything yet
2023-07-10 15:48:18 +03:00
2276fc95b8 Kernel: creat() mode now has to be access mode
We provide the S_IFREG in creat
2023-07-10 15:34:41 +03:00
1e173c178d Kernel: Ext2 fill now return ENOTSUP on write
We used to crash the kernel
2023-07-10 15:34:25 +03:00
773747cf9c Kernel: O_APPEND is now supported 2023-07-10 15:11:27 +03:00
4972284dde 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
45789fda08 Kernel: You can now read/write to RamInodes
RamFS should be stored on physical pages and not in kmalloc, but
that will be implemented later :)
2023-07-10 14:09:35 +03:00
3b5bc63d1b Kernel: Inode::create_file() now takes uid and gid as parameters 2023-07-10 13:32:10 +03:00
f1089e2b8a Kernel: start work on ram file system 2023-07-10 13:26:14 +03:00
363c325c79 Kenrel: Fix inode comparison
We should not compare rdevs
2023-07-10 11:48:11 +03:00
583504ebe0 Kernel: Inode rename directory functions 2023-07-10 11:48:11 +03:00
b354b77f8b Kernel: Mark Ext2 classes final 2023-07-10 11:48:11 +03:00
19dab08275 Kernel: add more functionality to PCI 2023-07-09 23:04:11 +03:00
3840fbf957 Kernel: Edit lock scopes and make string copy able to fail 2023-07-07 23:12:19 +03:00
78c091f7f8 Kernel: Move open file descriptors to their own class
This simplifies code a lot :)
2023-07-07 23:11:37 +03:00
a549336530 Kernel/LibC: add basic dup2 2023-07-06 23:17:54 +03:00
4eb95c963d Kernel/LibC: Add basic pipe() syscall and command
You can now create pipes :)
2023-07-06 22:16:26 +03:00
af30d537da Kernel: TTY now unblocks semaphore after read
This allows concurrent reads not fully reading the buffer not block
indefinately.
2023-07-06 21:32:34 +03:00
f1bd26fb92 Kernel: Add O_CLOEXEC 2023-07-06 20:00:33 +03:00
5c6bbcb62f Kernel: Remove spammy process/thread exit printing 2023-07-06 10:34:46 +03:00
3c068aa0ae Kernel/LibC: add clock_gettime() for CLOCK_MONOTONIC
This gets the number of milliseconds since boot
2023-07-06 00:38:29 +03:00
86df258365 Kernel: rework the whole PageTable structure
We now have page table structure for kernel memory which is shared
between all processes.
2023-07-05 23:41:35 +03:00