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Everything uses the dbgputstr syscall anyway, so there is no need to
keep supporting it.
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This variant of dbgputstr does not lock the global log lock, as it is
called before the current or any other processor was initialized,
meaning that:
A) The $gs base was not setup yet, so we cannot enter into critical
sections, and as a result we cannot use SpinLocks
B) No other processors may try to print at the same time anyway
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This adds a dbgputch() alongside dbgputstr() in kstdio.h. The function
already existed as the static function debugger_out(). It has now been
exposed to users of kstdio.h.
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As we removed the support of VBE modesetting that was done by GRUB early
on boot, we need to determine if we can modeset the resolution with our
drivers, and if not, we should enable text mode and ensure that
SystemServer knows about it too.
Also, SystemServer should first check if there's a framebuffer device
node, which is an indication that text mode was not even if it was
requested. Then, if it doesn't find it, it should check what boot_mode
argument the user specified (in case it's self-test). This way if we
try to use bochs-display device (which is not VGA compatible) and
request a text mode, it will not honor the request and will continue
with graphical mode.
Also try to print critical messages with mininum memory allocations
possible.
In LibVT, We make the implementation flexible for kernel-specific
methods that are implemented in ConsoleImpl class.
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SPDX License Identifiers are a more compact / standardized
way of representing file license information.
See: https://spdx.dev/resources/use/#identifiers
This was done with the `ambr` search and replace tool.
ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
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Good-bye LogStream. Long live AK::Format!
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There are no remaining users of this API.
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There are no remaining users of this API in the kernel.
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The kernel no longer needs sprintf (which might, in theory, overflow),
so we can hide the C++ declaration and make the function uncallable
from within the kernel.
However, libstdc++ still links against it, as libstdc++ uses it for
demangling, from AK::demangle().
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In contrast to sprintf, which might overflow the given buffer.
I feel bad about the code duplication, but that is a pre-existing issue.
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Mostly -Wformat fixes, some of which pointed out real (if benign) bugs.
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This was supposed to be the foundation for some kind of pre-kernel
environment, but nobody is working on it right now, so let's move
everything back into the kernel and remove all the confusion.
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As suggested by Joshua, this commit adds the 2-clause BSD license as a
comment block to the top of every source file.
For the first pass, I've just added myself for simplicity. I encourage
everyone to add themselves as copyright holders of any file they've
added or modified in some significant way. If I've added myself in
error somewhere, feel free to replace it with the appropriate copyright
holder instead.
Going forward, all new source files should include a license header.
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This just seems like something we should be able to do. The compiler
knows how long my "string literal" is, passing it along manually seems
siilly.
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Let's simplify things. There is now only KERNEL.
To see if you're on Serenity, check if __serenity__ is defined.
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Turns out we can use abi::__cxa_demangle() for this, and all we need to
provide is sprintf(), realloc() and free(), so this patch exposes them.
We now have fully demangled C++ backtraces :^)
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serial_debug will output all the kprintf and dbgprintf data to COM1 at
8-N-1 57600 baud. this is particularly useful for debugging the boot
process on live hardware.
Note: it must be the first parameter in the boot cmdline.
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This is very handy for the DebugLogStream implementation, among others. :^)
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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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Also run it across the whole tree to get everything using the One True Style.
We don't yet run this in an automated fashion as it's a little slow, but
there is a snippet to do so in makeall.sh.
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