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2021-05-01Everywhere: Turn #if *_DEBUG into dbgln_if/if constexprGunnar Beutner
2021-04-22Everything: Move to SPDX license identifiers in all files.Brian Gianforcaro
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 *
2021-04-15Everything: Add `-Wnon-virtual-dtor` flagNicholas-Baron
This flag warns on classes which have `virtual` functions but do not have a `virtual` destructor. This patch adds both the flag and missing destructors. The access level of the destructors was determined by a two rules of thumb: 1. A destructor should have a similar or lower access level to that of a constructor. 2. Having a `private` destructor implicitly deletes the default constructor, which is probably undesirable for "interface" types (classes with only virtual functions and no data). In short, most of the added destructors are `protected`, unless the compiler complained about access.
2021-03-12Everywhere: Remove klog(), dbg() and purge all LogStream usage :^)Andreas Kling
Good-bye LogStream. Long live AK::Format!
2021-03-12Kernel: Convert klog() => AK::Format in a handful of placesAndreas Kling
2021-03-12Kernel: Convert klog() => AK::Format in MultiProcessorParserAndreas Kling
2021-03-12Kernel: Convert klog() => AK::Format in ACPI::ParserAndreas Kling
2021-03-03Kernel: Move Kernel CommandLine parsing to strongly typed API.Brian Gianforcaro
Previously all of the CommandLine parsing was spread out around the Kernel. Instead move it all into the Kernel CommandLine class, and expose a strongly typed API for querying the state of options.
2021-02-23Everywhere: Rename ASSERT => VERIFYAndreas Kling
(...and ASSERT_NOT_REACHED => VERIFY_NOT_REACHED) Since all of these checks are done in release builds as well, let's rename them to VERIFY to prevent confusion, as everyone is used to assertions being compiled out in release. We can introduce a new ASSERT macro that is specifically for debug checks, but I'm doing this wholesale conversion first since we've accumulated thousands of these already, and it's not immediately obvious which ones are suitable for ASSERT.
2021-02-19Kernel: Slap UNMAP_AFTER_INIT on a bunch more functionsAndreas Kling
We're now able to unmap 100 KiB of kernel text after init. :^)
2021-02-08Everywhere: Replace dbgln<flag>(...) with dbgln_if(flag, ...)AnotherTest
Replacement made by `find Kernel Userland -name '*.h' -o -name '*.cpp' | sed -i -Ee 's/dbgln\b<(\w+)>\(/dbgln_if(\1, /g'`
2021-01-26Meta: Split debug defines into multiple headers.asynts
The following script was used to make these changes: #!/bin/bash set -e tmp=$(mktemp -d) echo "tmp=$tmp" find Kernel \( -name '*.cpp' -o -name '*.h' \) | sort > $tmp/Kernel.files find . \( -path ./Toolchain -prune -o -path ./Build -prune -o -path ./Kernel -prune \) -o \( -name '*.cpp' -o -name '*.h' \) -print | sort > $tmp/EverythingExceptKernel.files cat $tmp/Kernel.files | xargs grep -Eho '[A-Z0-9_]+_DEBUG' | sort | uniq > $tmp/Kernel.macros cat $tmp/EverythingExceptKernel.files | xargs grep -Eho '[A-Z0-9_]+_DEBUG' | sort | uniq > $tmp/EverythingExceptKernel.macros comm -23 $tmp/Kernel.macros $tmp/EverythingExceptKernel.macros > $tmp/Kernel.unique comm -1 $tmp/Kernel.macros $tmp/EverythingExceptKernel.macros > $tmp/EverythingExceptKernel.unique cat $tmp/Kernel.unique | awk '{ print "#cmakedefine01 "$1 }' > $tmp/Kernel.header cat $tmp/EverythingExceptKernel.unique | awk '{ print "#cmakedefine01 "$1 }' > $tmp/EverythingExceptKernel.header for macro in $(cat $tmp/Kernel.unique) do cat $tmp/Kernel.files | xargs grep -l $macro >> $tmp/Kernel.new-includes ||: done cat $tmp/Kernel.new-includes | sort > $tmp/Kernel.new-includes.sorted for macro in $(cat $tmp/EverythingExceptKernel.unique) do cat $tmp/Kernel.files | xargs grep -l $macro >> $tmp/Kernel.old-includes ||: done cat $tmp/Kernel.old-includes | sort > $tmp/Kernel.old-includes.sorted comm -23 $tmp/Kernel.new-includes.sorted $tmp/Kernel.old-includes.sorted > $tmp/Kernel.includes.new comm -13 $tmp/Kernel.new-includes.sorted $tmp/Kernel.old-includes.sorted > $tmp/Kernel.includes.old comm -12 $tmp/Kernel.new-includes.sorted $tmp/Kernel.old-includes.sorted > $tmp/Kernel.includes.mixed for file in $(cat $tmp/Kernel.includes.new) do sed -i -E 's/#include <AK\/Debug\.h>/#include <Kernel\/Debug\.h>/' $file done for file in $(cat $tmp/Kernel.includes.mixed) do echo "mixed include in $file, requires manual editing." done
2021-01-25Kernel: Fix crash when booting with ACPI.asynts
2021-01-25Everywhere: Debug macros instead of constexpr.asynts
This was done with the following script: find . \( -name '*.cpp' -o -name '*.h' -o -name '*.in' \) -not -path './Toolchain/*' -not -path './Build/*' -exec sed -i -E 's/dbgln<debug_([a-z_]+)>/dbgln<\U\1_DEBUG>/' {} \; find . \( -name '*.cpp' -o -name '*.h' -o -name '*.in' \) -not -path './Toolchain/*' -not -path './Build/*' -exec sed -i -E 's/if constexpr \(debug_([a-z0-9_]+)/if constexpr \(\U\1_DEBUG/' {} \;
2021-01-25Everywhere: Remove unnecessary debug comments.asynts
It would be tempting to uncomment these statements, but that won't work with the new changes. This was done with the following commands: find . \( -name '*.cpp' -o -name '*.h' -o -name '*.in' \) -not -path './Toolchain/*' -not -path './Build/*' -exec awk -i inplace '$0 !~ /\/\/#define/ { if (!toggle) { print; } else { toggle = !toggle } } ; $0 ~/\/\/#define/ { toggle = 1 }' {} \; find . \( -name '*.cpp' -o -name '*.h' -o -name '*.in' \) -not -path './Toolchain/*' -not -path './Build/*' -exec awk -i inplace '$0 !~ /\/\/ #define/ { if (!toggle) { print; } else { toggle = !toggle } } ; $0 ~/\/\/ #define/ { toggle = 1 }' {} \;
2021-01-25Everywhere: Use CMake to generate AK/Debug.h.asynts
This was done with the help of several scripts, I dump them here to easily find them later: awk '/#ifdef/ { print "#cmakedefine01 "$2 }' AK/Debug.h.in for debug_macro in $(awk '/#ifdef/ { print $2 }' AK/Debug.h.in) do find . \( -name '*.cpp' -o -name '*.h' -o -name '*.in' \) -not -path './Toolchain/*' -not -path './Build/*' -exec sed -i -E 's/#ifdef '$debug_macro'/#if '$debug_macro'/' {} \; done # Remember to remove WRAPPER_GERNERATOR_DEBUG from the list. awk '/#cmake/ { print "set("$2" ON)" }' AK/Debug.h.in
2021-01-22Everywhere: Replace a bundle of dbg with dbgln.asynts
These changes are arbitrarily divided into multiple commits to make it easier to find potentially introduced bugs with git bisect.
2021-01-12AK: Simplify constructors and conversions from nullptr_tLenny Maiorani
Problem: - Many constructors are defined as `{}` rather than using the ` = default` compiler-provided constructor. - Some types provide an implicit conversion operator from `nullptr_t` instead of requiring the caller to default construct. This violates the C++ Core Guidelines suggestion to declare single-argument constructors explicit (https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#c46-by-default-declare-single-argument-constructors-explicit). Solution: - Change default constructors to use the compiler-provided default constructor. - Remove implicit conversion operators from `nullptr_t` and change usage to enforce type consistency without conversion.
2021-01-11Everywhere: Fix incorrect uses of String::format and StringBuilder::appendfSahan Fernando
These changes are arbitrarily divided into multiple commits to make it easier to find potentially introduced bugs with git bisect.
2021-01-11Everywhere: Replace a bundle of dbg with dbgln.asynts
These changes are arbitrarily divided into multiple commits to make it easier to find potentially introduced bugs with git bisect.Everything:
2021-01-09Everywhere: Replace a bundle of dbg with dbgln.asynts
These changes are arbitrarily divided into multiple commits to make it easier to find potentially introduced bugs with git bisect.Everything: The modifications in this commit were automatically made using the following command: find . -name '*.cpp' -exec sed -i -E 's/dbg\(\) << ("[^"{]*");/dbgln\(\1\);/' {} \;
2021-01-09Everywhere: Replace a bundle of dbg with dbgln.asynts
These changes are arbitrarily divided into multiple commits to make it easier to find potentially introduced bugs with git bisect.
2020-12-31Everywhere: Re-format with clang-format-11Linus Groh
Compared to version 10 this fixes a bunch of formatting issues, mostly around structs/classes with attributes like [[gnu::packed]], and incorrect insertion of spaces in parameter types ("T &"/"T &&"). I also removed a bunch of // clang-format off/on and FIXME comments that are no longer relevant - on the other hand it tried to destroy a couple of neatly formatted comments, so I had to add some as well.
2020-12-18Kernel: Workaround QEMU bug and initialize i8042 controllerLiav A
ACPI 2 declared the third revision of FADT, that should have IAPC_BOOT_ARCH flags in it, also to indicate if i8042 is present. Q35 machine reports that it has FADT with revision 3, but the code in QEMU simply ignores these flags and put zero on them no matter the revision of FADT.
2020-12-01Meta: Fix ACPI_DEBUG, and always build on CIBen Wiederhake
2020-11-12Kernel: Assume 8042 controller is present if ACPI FADT revision <= 1Tom
This field wasn't specified until revision 2 and should be assumed to be set on older versions.
2020-09-25Meta+Kernel: Make clang-format-10 cleanBen Wiederhake
2020-07-06Kernel: Add SMP IPI supportTom
We can now properly initialize all processors without crashing by sending SMP IPI messages to synchronize memory between processors. We now initialize the APs once we have the scheduler running. This is so that we can process IPI messages from the other cores. Also rework interrupt handling a bit so that it's more of a 1:1 mapping. We need to allocate non-sharable interrupts for IPIs. This also fixes the occasional hang/crash because all CPUs now synchronize memory with each other.
2020-06-20Kernel: Remove DMI decoder from the kernelAndreas Kling
As suggested by @supercomputer7, we can simply expose this as a blob and decode it in userspace instead. Fixes #2599.
2020-06-04Kernel: Detect APs and boot them into protected modeTom
This isn't fully working, the APs pretend like they're fully initialized and are just halted permanently for now.
2020-05-23Kernel: Simplify MP table parser a little bit moreAndreas Kling
Get rid of the ConfigurationTableEntryLength enum and just look at the sizeof() for each entry type.
2020-05-22Kernel: Remove outdated FIXME's in the static ACPI parserAndreas Kling
We no longer blindly use PAGE_SIZE here. :^)
2020-05-22Kernel: Simplify scanning BIOS/EBDA and MP parser initializationAndreas Kling
Add a MappedROM::find_chunk_starting_with() helper since that's a very common usage pattern in clients of this code. Also convert MultiProcessorParser from a persistent singleton object to a temporary object constructed via a failable factory function.
2020-05-22Kernel: Add convenient ways to map whole BIOS and EBDA into memoryAndreas Kling
This patch adds a MappedROM abstraction to the Kernel VM subsystem. It's basically the read-only byte buffer equivalent of a TypedMapping. We use this in the ACPI and MP table parsers to scan for interesting stuff in low memory instead of doing a bunch of address arithmetic.
2020-05-22Kernel: Clean up and simplify MP table parsingAndreas Kling
Use map_typed<T> to map physically addressed structs into kernel VM. This is so much easier than doing address arithmetic everywhere. :^)
2020-05-16Kernel: Absorb LibBareMetal back into the kernelAndreas Kling
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.
2020-05-08Kernel: Remove ref-counting from interrupt override metadataAndreas Kling
I don't see a reason for these to be reference-counted, and removing it simplifies a bunch of surrounding data structures.
2020-04-09Kernel: Reorder bitwise operations when creating PCI interrupt overridesLiav A
2020-04-09MultiProcessor: Silence debug message spamLiav A
2020-04-09Interrupts: Make the MultiProcessorParser functional againLiav A
2020-04-09Kernel: Remove redundant "ACPI" from filenames in ACPI/Andreas Kling
2020-04-09Kernel: Merge ACPI::StaticParser into ACPI::ParserAndreas Kling
There's no need for StaticParser to be a separate thing from Parser.
2020-04-09Kernel: Use StringView for ACPI table signaturesAndreas Kling
2020-04-09Kernel: Add typed_map<T>(PhysicalAddress) and use it in ACPI parsingAndreas Kling
There was a frequently occurring pattern of "map this physical address into kernel VM, then read from it, then unmap it again". This new typed_map() encapsulates that logic by giving you back a typed pointer to the kind of structure you're interested in accessing. It returns a TypedMapping<T> that can be used mostly like a pointer. When destroyed, the TypedMapping object will unmap the memory. :^)
2020-04-09Kernel: Remove "non-operational" ACPI parser stateAndreas Kling
If we don't support ACPI, just don't instantiate an ACPI parser. This is way less confusing than having a special parser class whose only purpose is to do nothing. We now search for the RSDP in ACPI::initialize() instead of letting the parser constructor do it. This allows us to defer the decision to create a parser until we're sure we can make a useful one.
2020-04-09Kernel: Simplify ACPI initialization a bitAndreas Kling
Construct the parser, no matter which kind, in ACPI::initialize().
2020-04-09Kernel: Move ACPI initialization from init.cpp to ACPI::initialize()Andreas Kling
2020-03-23AK: Reduce header dependency graph of String.hAndreas Kling
String.h no longer pulls in StringView.h. We do this by moving a bunch of String functions out-of-line.
2020-03-22Kernel: Fix compilation error with ACPI_DEBUG enabledShannon Booth
2020-03-22Kernel: Run clang-format on filesShannon Booth
Let's rip off the band-aid
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