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Also add an AudioServer that (right now) doesn't do much.
It tries to open, parse, and play a wav file. In the future, it can do more.
My general thinking here here is that /dev/audio will be "owned" by AudioServer,
and we'll do mixing in software before passing buffers off to the kernel
to play, but we have to start somewhere.
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This is obviously more readable. If we ever run into a situation where
ref count churn is actually causing trouble in the future, we can deal with
it then. For now, let's keep it simple. :^)
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Since we're gonna want to use this for building other apps, it should be
the very first thing we build.
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This is a simple test app with its UI generated from a VisualBuilder form.
The name is probably silly, but who cares. :^)
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Also tweak the kernel's Makefile to use -nostdinc and -nostdinc++.
This prevents us from picking up random headers from ../Root, which may
include older versions of kernel headers.
Since we still need <initializer_list> for Vector, we specifically include
the necessary GCC path. This is a bit hackish but it works for now.
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Instead of computing the path length inside the syscall handler, let the
caller do that work. This allows us to implement to new variants of open()
and creat(), called open_with_path_length() and creat_with_path_length().
These are suitable for use with e.g StringView.
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This was just causing syscalls to return EINTR for no reason.
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It simply prints "process-name(pid)", nothing fancy, but kinda useful.
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This should make you think twice before trying to use the const char* from
a StringView as if it's a null-terminated string.
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The IDE Disk Controller driver has been extended to allow the secondary device on the channel to be initialised and used. A test as to whether this is working (for anyone interested) is to modify `init.cpp:87` to `auto dev_hd0 = IDEDiskDevice::create(IdeDiskDevice::DeviceType::SLAVE);`. The kernel will fail to boot, as there is no disk attached to CHANNEL 1's slave. This was born out of the fact that my FAT driver can't be tested as easily without creating a partition on `hda`.
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Things were getting a little crowded in the project root, so this patch
moves the Lib*/ directories into Libraries/.
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These types can be picked up by including <AK/Types.h>:
* u8, u16, u32, u64 (unsigned)
* i8, i16, i32, i64 (signed)
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makeall.sh
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Build: Fix incorrect user and group settings for disk image.
Fixes #261.
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Userland/qs was moved to Applications/QuickShow, but some people still have
old built binaries lying around in their Userland/ directories and the build
system complains about this. Here goes a silly temporary hack to just get
rid of them.
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kprintf() shows up in dmesg, dbgprintf() does not.
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We don't want to get interrupted while we're manipulating the thread lists.
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This is prep work for supporting HashMap with NonnullRefPtr<T> as values.
It's currently not possible because many HashTable functions require being
able to default-construct the value type.
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Update ProcessManager, top and WSCPUMonitor to handle the new format.
Since the kernel is not allowed to use floating-point math, we now compile
the JSON classes in AK without JsonValue::Type::Double support.
To accomodate large unsigned ints, I added a JsonValue::Type::UnsignedInt.
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This allows us to construct a Vector from an initializer list like so:
Vector<Object> objects = { object1, object2, object3 };
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If we get an NP page fault in a process, and the fault address is in the
kernel address range (anywhere above 0xc0000000), we probably just need
to copy the page table info over from the kernel page directory.
The kernel doesn't allocate address space until it's needed, and when it
does allocate some, it only puts the info in the kernel page directory,
and any *new* page directories created from that point on. Existing page
directories need to be updated, and that's what this patch fixes.
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Instead of PDE's and PTE's being weird wrappers around dword*, just have
MemoryManager::ensure_pte() return a PageDirectoryEntry&, which in turn has
a PageTableEntry* entries().
I've been trying to understand how things ended up this way, and I suspect
it was because I inadvertently invoked the PageDirectoryEntry copy ctor in
the original work on this, which must have made me very confused..
Anyways, now things are a bit saner and we can move forward towards a better
future, etc. :^)
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This needs more work and polish, but it's a step in a more pleasant and
useful direction.
Also turn QuickShow into a fully-fledged "application". (By that, I really
just mean giving it its own Applications/ subdirectory.)
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This makes it easy to distinguish kernel/userspace dbgprintf()'s. :^)
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- "make" builds the normal Serenity libhtml.a
- "make -f Makefile.host" builds a test program for the host machine.
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It's kinda funny how I can make a mistake like this in Serenity and then
get so used to it by spending lots of time using this API that I start to
believe that this is how printf() always worked..
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(And various related renames that go along with it.)
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We'll now try to detect crashes that were due to dereferencing nullptr,
uninitialized malloc() memory, or recently free()'d memory.
It's not perfect but I think it's pretty good. :^)
Also added some color to the most important parts of the crash log,
and added some more modes to /bin/crash for exercising this code.
Fixes #243.
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Also print it in shiny red to make it extra easy to spot. :^)
Fixes #244.
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