Commit Graph

182 Commits

Author SHA1 Message Date
d66aa31b2c
kernel: Fix negative movement in the PS/2 mouse driver 2023-08-17 20:16:14 +02:00
d43590e68c
kernel: Improve Your Disk IO performance by 500% with this One Trick!
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The trick being caching lol.
2023-08-16 14:54:13 +02:00
54cc80f649
kernel/ATA: Replace a manually allocated buffer with Buffer
This also lets us keep it empty unless it is used, in which case we resize it (if it wasn't already resized).
2023-08-16 09:15:00 +02:00
ed8b210639
kernel: Detect some other cases of non-DMA support
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2023-08-08 18:23:13 +02:00
f45734c61d
kernel/ATA: Stop storing ATA::Drive in a separate shared pointer
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2023-08-07 19:22:57 +02:00
b4527786d4
kernel/MMU: Don't copy pages on clone and allow manipulating other page directories 2023-08-02 22:17:32 +02:00
4794d0dfef
kernel: Add a keyboard device for graphical session 2023-08-02 17:20:13 +02:00
df77fc8de8
libluna: Remove make_array() and destroy_array()
Placement new on arrays is a bit unreliable and could cause out-of-bounds data accesses.
2023-08-02 14:47:58 +02:00
e8f3dd4cf9
kernel: Add a PS/2 mouse driver 2023-08-02 11:55:45 +02:00
187f0ff83e
kernel: Rename Inode::blocking() to Inode::will_block_if_read()
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2023-07-30 11:41:53 +02:00
4ed7ec5e93
libluna: Store SharedPtr's ref count in the object itself
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2023-07-30 11:32:46 +02:00
11df5a2ec3
kernel: Use pid_t internally for process IDs
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This removes a bunch of casts between pid_t and u64, and makes more sense since pid_t is literally the data type for process IDs.
2023-07-26 21:32:00 +02:00
5aad7d3154
kernel/x86_64: Fail on invalid interrupts instead of calling FIXME_UNHANDLED_INTERRUPT
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A FIXME is something that should be changed later,
this is a check for something that should never happen.
2023-07-25 18:23:33 +02:00
105ed79f8f
kernel: Reenable userspace stack tracing, but hidden behind a config flag
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Sometimes this is needed for userspace program debugging (such as ports),
but sometimes it can crash, so we leave it off by default.
2023-07-25 17:02:09 +02:00
36a74fd8d6
kernel/x86_64: Provide an alternate kernel stack for exceptions
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This avoids stack-related triple faults, hopefully.

Closes #33.
2023-07-21 15:14:52 +02:00
cd6bf745a7
tests+kernel+init: Run tests automatically in a headless way
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2023-07-21 14:09:37 +02:00
f9003d7a58
kernel: Mask away unsafe bits in rflags when restoring state after a signal
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2023-07-15 11:54:48 +02:00
89786d8be2
kernel: Save/restore the SSE/FPU state when executing signal handlers 2023-07-15 11:53:50 +02:00
de6fe7f7c2
kernel+libc+sh: Make the TTY device actually follow termios rules
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Like, so much more termios compatibility!
2023-07-13 20:33:20 +02:00
f629e17ff4
kernel/x86_64: Only show kernel addresses in backtraces
This avoids walking off into userspace memory where we don't know what could happen.
2023-07-12 16:04:45 +02:00
d27ffce5db
kernel: Move the signal handling logic to after a syscall sets its return value
When a signal was caught after a syscall, it was doing so without preserving the return value of the syscall.
2023-07-12 13:34:30 +02:00
86d14e0d0e
kernel+libc: Add the SA_NODEFER and SA_RESETHAND flags for sigaction()
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2023-07-10 21:54:04 +02:00
015419b8f5
kernel: Generate signals when children exit / when faults occur
Userspace can now catch segfaults!
2023-07-10 20:49:22 +02:00
15d6aae701
kernel+libc: Implement basic signals 2023-07-10 19:46:57 +02:00
7908c5a63e
kernel/ATA: Do not discard the controller if at least one channel initialized properly
This was causing problems in VirtualBox.
2023-07-10 13:01:43 +02:00
e9e7b22323
kernel: Separate a thread's page directory into two
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The self directory, and the active directory. The active directory is the one the thread is currently using,
and the self directory is the one the thread owns.

This lets us keep track of both, which fixes ext2 executables crashing the system.
2023-06-25 20:35:40 +02:00
e60b2a3d2f
kernel: Move thread exit code into a separate common function
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2023-06-19 12:33:25 +02:00
7efc3a6ea1
kernel: Show stack traces on page faults + crash the process instead of the whole system on GPFs 2023-06-19 10:45:08 +02:00
b7bdec9ece
kernel: Add a bunch more config definitions and hide debug messages behind them 2023-06-18 20:18:00 +02:00
7cace9a0d7
kernel: Provide more meaningful panic messages for critical failures 2023-06-17 19:43:25 +02:00
2be4880278
kernel: Name the scoped lock in ATADevice::read()
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Is that supposed to work without a name? Looks like it did!
2023-06-17 09:46:28 +02:00
c2cdb861c9
kernel/ATA: Fix buffer overflow in ATADevice::read() with small sizes and unaligned offsets 2023-06-17 00:48:53 +02:00
27b26f389c
kernel: Lock ATADevice::read_lba() using ATA::Channel's KMutex
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2023-06-17 00:22:38 +02:00
32d2e0e6b7
kernel: Remove register_special_device()'s name parameter
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This is now duplicate information that can be queried using device->device_path().
2023-06-16 21:46:51 +02:00
ba46399bbd
kernel/ATA: Remove debug messages
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2023-06-16 21:34:36 +02:00
738b218a49
kernel/ATA+MBR: Dynamically generate device names + create devices for MBR partitions
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2023-06-16 21:30:50 +02:00
72b8ebe02c
kernel: Make the MBR code read from a device instead of an inode
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2023-06-16 21:10:33 +02:00
72e798cedb
kernel: Do not automatically read the MBR partition table from /dev/cdrom
Since ff952cfe16 made /dev mounted from userspace, /dev/cdrom does not exist when ATA drives are scanned.
2023-06-16 21:10:33 +02:00
7593947c33
kernel/ATA: Route interrupts to the correct drive 2023-06-16 21:10:33 +02:00
93922932fa
kernel: Start reading the MBR partition table from the ATAPI drive 2023-06-16 21:10:33 +02:00
a3beaa4d53
ATA: Mark the CDROM as a block device 2023-06-16 21:10:33 +02:00
bb0db450b3
kernel/ATA: Pass extra information to DeviceRegistry
This is needed since merging e7d482e from main.
2023-06-16 21:10:33 +02:00
a0fa1f2cfd
kernel+init: Create a device node in /dev to access the CDROM from userspace!
Still using PIO, though.
2023-06-16 21:10:33 +02:00
2fa11a5ae3
kernel/ATA: Read the CDROM's first sector using ATAPI PIO!!
Sadly, for some reason, DMA is not working right now.
This is a problem, as PIO is inconvenient. But hey, it works for now!
2023-06-16 21:10:32 +02:00
cc8450751c
kernel/x86_64: Implement writing to PCI fields 2023-06-16 21:10:32 +02:00
3762d3f959
kernel/PCI: Add bit enum for the Command field 2023-06-16 21:10:32 +02:00
a99c5e325d
kernel: Actually register interrupt handlers properly 2023-06-16 21:10:32 +02:00
82db0e39ea
kernel/ATA: Calculate block sizes for ATA devices as well 2023-06-16 21:10:32 +02:00
46c45068e0
kernel/ATA: Send a READ CAPACITY packet to an ATA drive on initialization 2023-06-16 21:10:32 +02:00
cfcde5af55
kernel/ATA: Read the PCI Busmaster registers and start preparing for DMA 2023-06-16 21:10:31 +02:00