Bananymous/banan-os
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1169 Commits

Author SHA1 Message Date
Bananymous
c12f4fb40f Kernel: Make signals more POSIX 2023-07-21 20:01:12 +03:00
Bananymous
10169d773d Kernel/LibC: Add SYS_KILL/kill() 2023-07-21 19:27:38 +03:00
Bananymous
b78596dcf4 Kernel: Scheduler now sends queued signals 2023-07-21 19:27:10 +03:00
Bananymous
40f7c6b8fa Kernel: Make signals thread specific 2023-07-21 19:00:59 +03:00
Bananymous
8063700d7b Kernel: add default signal actions 2023-07-21 18:02:35 +03:00
Bananymous
70f89ed1fc BuildSystem: Strip kernel. We will add the map once we use it 2023-07-21 15:47:31 +03:00
Bananymous
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
Bananymous
a1db032ba9 Kernel: kernel memory takes now full pml4e 
This allows flags to work properly
 2023-07-21 13:47:05 +03:00
Bananymous
5babd7b4f2 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After I added NXE bit, the flags mask is no longer valid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
Bananymous
c0029a2fa2 Kernel: Don't map kernel executable memory as writable 2023-07-21 11:17:39 +03:00
Bananymous
4e35b8b49d Kernel: Syscalls now get the interrupt stack 2023-07-21 11:04:16 +03:00
Bananymous
b02c486ad0 Kernel: add NullDevice to /dev/null 2023-07-20 00:06:22 +03:00
Bananymous
08cd285ca6 Kernel: move Device.h to its own directory 2023-07-19 23:55:38 +03:00
Bananymous
94af856db0 Kernel: cleanup sys_exec() 
We now scope everyting so desctructors get called
 2023-07-19 23:20:39 +03:00
Bananymous
bf5d74b8bc 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
Bananymous
fd9210ba9e Kernel: FixedWidthAllocator creation can now fail 2023-07-19 18:07:24 +03:00
Bananymous
66d9260257 Kernel: VirtualRange creation can fail 2023-07-19 17:56:26 +03:00
Bananymous
5d2bfc858e Kernel: SYS_FORK can now fail instead of panicing on error 2023-07-19 17:47:12 +03:00
Bananymous
8b34880064 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
Bananymous
98c698d9ec Kernel: Enable global bit on kernel pages 2023-07-13 15:23:25 +03:00
Bananymous
9ea2c1d932 Kernel: Support execute disable bit 
We will now map executable memory explicitly as executable.
 2023-07-13 14:28:53 +03:00
Bananymous
297e65f19a Kernel: CPUID can detect wether cpu supports nxe bit 2023-07-13 14:24:58 +03:00
Bananymous
65559a3e44 Kernel: Fix multiple bugs with terminal 2023-07-13 13:09:52 +03:00
Bananymous
c3a71e94a9 Kernel: Fix ATA disk and partition numbering 2023-07-13 12:12:47 +03:00
Bananymous
00409ffa60 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
Bananymous
9bcfb34524 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
Bananymous
ee4ef6638c Kenrel: RamInode now implements truncate() 2023-07-10 16:07:09 +03:00
Bananymous
0910958c04 Kernel: OpenFileDescriptors can now store more than 8 bits of flags 2023-07-10 16:06:36 +03:00
Bananymous
d6408bcf17 Kernel: add O_TRUNC 
this is not supported by anything yet
 2023-07-10 15:48:18 +03:00
Bananymous
178fc00905 Kernel: creat() mode now has to be access mode 
We provide the S_IFREG in creat
 2023-07-10 15:34:41 +03:00
Bananymous
89d4fa4d9b Kernel: Ext2 fill now return ENOTSUP on write 
We used to crash the kernel
 2023-07-10 15:34:25 +03:00
Bananymous
46e1419e70 Kernel: O_APPEND is now supported 2023-07-10 15:11:27 +03:00
Bananymous
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
Bananymous
a0ecbed726 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
Bananymous
74fc0aa308 Kernel: Inode::create_file() now takes uid and gid as parameters 2023-07-10 13:32:10 +03:00
Bananymous
d5f0448e48 Kernel: start work on ram file system 2023-07-10 13:26:14 +03:00
Bananymous
d713f252aa Kenrel: Fix inode comparison 
We should not compare rdevs
 2023-07-10 11:48:11 +03:00
Bananymous
5ec2d85081 Kernel: Inode rename directory functions 2023-07-10 11:48:11 +03:00
Bananymous
0d132ee518 Kernel: Mark Ext2 classes final 2023-07-10 11:48:11 +03:00
Bananymous
80c8d52dc5 Kernel: add more functionality to PCI 2023-07-09 23:04:11 +03:00
Bananymous
b6c4a2dbf1 Kernel: Edit lock scopes and make string copy able to fail 2023-07-07 23:12:19 +03:00
Bananymous
a2f5ad7bed Kernel: Move open file descriptors to their own class 
This simplifies code a lot :)
 2023-07-07 23:11:37 +03:00
Bananymous
07fec6e211 Kernel/LibC: add basic dup2 2023-07-06 23:17:54 +03:00
Bananymous
4cd72992c8 Kernel/LibC: Add basic pipe() syscall and command 
You can now create pipes :)
 2023-07-06 22:16:26 +03:00
Bananymous
5a8eb51968 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
Bananymous
a74422281f Kernel: Add O_CLOEXEC 2023-07-06 20:00:33 +03:00
Bananymous
a45f9ee76b Kernel: Remove spammy process/thread exit printing 2023-07-06 10:34:46 +03:00
Bananymous
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
Bananymous
4086d7c3be 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
Bananymous
7d254c26bc Kernel: Rewrite and optimize DiskCache 
DiskCache now consists of PageCaches which are caches of contiguous
sectors. This allows the disk cache to be ordered and faster traversal.

We seem to have a problem somewhere during reading. The stack gets
corrupted.
 2023-06-19 10:31:47 +03:00