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19 commits

Author SHA1 Message Date
asynts
7cf0c7cc0d Meta: Split debug defines into multiple headers. 
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
 2021-01-26 21:20:00 +01:00
asynts
8465683dcf Everywhere: Debug macros instead of constexpr. 
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/' {} \;
 2021-01-25 09:47:36 +01:00
asynts
acdcf59a33 Everywhere: Remove unnecessary debug comments. 
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 }' {} \;
 2021-01-25 09:47:36 +01:00
asynts
67583bc424 Everywhere: Replace a bundle of dbg with dbgln. 
These changes are arbitrarily divided into multiple commits to make it
easier to find potentially introduced bugs with git bisect.
 2021-01-22 22:14:30 +01:00
Tom
7a4fb5deef Kernel: Don't remap IOAPIC registers every time we try to read/write 
Remapping these registers every time we try to read from or write to
them causes a lot of SMP broadcasts and a lot of other overhead.
This improves boot time noticeably.
 2020-11-01 10:30:20 +01:00
Ben Wiederhake
eac3bbdcee Kernel: Unbreak building with extra debug macros, part 1 2020-08-30 09:43:49 +02:00
Tom
0bc92c259d Kernel: Detect APs and boot them into protected mode 
This isn't fully working, the APs pretend like they're
fully initialized and are just halted permanently for now.
 2020-06-04 18:15:23 +02:00
Andreas Kling
a75c290e51 Kernel: Use TypedMapping for accessing IOAPIC registers 2020-05-23 15:57:48 +02:00
Andreas Kling
d92f62db43 Kernel: Remove ref-counting from interrupt override metadata 
I don't see a reason for these to be reference-counted, and removing it
simplifies a bunch of surrounding data structures.
 2020-05-08 21:12:16 +02:00
Liav A
8d9b6c57b5 Interrupts: Use Optional container in IOAPIC 
We return the Optional container in find_redirection_entry_by_vector()
method instead of a raw integer. This makes the code more readable and
correct.
 2020-03-24 16:15:33 +01:00
Liav A
0b7fc525e1 Interrupts: Simplify IRQ disabling & enabling in IRQController(s) 
Instead of blindly setting masks, if we want to disable an IRQ and it's
already masked, we just return. The same happens if we want to enable an
IRQ and it's unmasked.
 2020-03-24 16:15:33 +01:00
Liav A
f86be46c98 Kernel: Abstract IRQ controller handling from Interrupt handlers 
Now we don't send raw numbers, but we let the IRQController object to
figure out the correct IRQ number.
This helps in a situation when we have 2 or more IOAPICs, so if IOAPIC
1 is assigned for IRQs 0-23 and IOAPIC 2 is assigned for IRQs 24-47,
if an IRQHandler of IRQ 25 invokes disable() for example, it will call
his responsible IRQController (IOAPIC 2), and the IRQController will
subtract the IRQ number with his assigned offset, and the result is that
the second redirection entry in IOAPIC 2 will be masked.
 2020-03-24 16:15:33 +01:00
Liav A
c2c0e9fb04 Kernel: Ensure that we don't use a hard-disabled IRQController 2020-03-24 16:15:33 +01:00
Andreas Kling
7d862dd5fc AK: Reduce header dependency graph of String.h 
String.h no longer pulls in StringView.h. We do this by moving a bunch
of String functions out-of-line.
 2020-03-23 13:48:44 +01:00
Liav A
30fc78bfaf Kernel: Acquire ISA interrupt overrides from Interrupt Management 
Also, InterruptDisabler were added to prevent critical function from
being interrupted. In addition, the interrupt numbers are abstracted
from IDT offsets, thus, allowing to create a better routing scheme
when using IOAPICs for interrupt redirection.
 2020-03-06 10:32:32 +01:00
Liav A
f0ca29eb4b Kernel: Run clang-format on various files 2020-03-02 22:23:39 +01:00
Liav A
0fc60e41dd Kernel: Use klog() instead of kprintf() 
Also, duplicate data in dbg() and klog() calls were removed.
In addition, leakage of virtual address to kernel log is prevented.
This is done by replacing kprintf() calls to dbg() calls with the
leaked data instead.
Also, other kprintf() calls were replaced with klog().
 2020-03-02 22:23:39 +01:00
Liav A
946d9b8c24 IOAPIC: Use dbg() instead of dbgprintf() 2020-02-27 13:05:12 +01:00
Liav A
e760ebcacb Kernel: Add the IOAPIC class 
This class inherits from IRQController class, and represents
the 82093AA IOAPIC chip.
 2020-02-24 11:27:03 +01:00