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author | Andreas Kling <kling@serenityos.org> | 2022-11-18 22:07:07 +0100 |
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committer | Andreas Kling <kling@serenityos.org> | 2022-11-19 15:39:30 +0100 |
commit | 94b514b981ff47092345f81dfb562ed98d83b91a (patch) | |
tree | 65b19568bdb29aed6dffa212639102af24d35f5a | |
parent | 9b3db63e142ebbd26281a9e7173af3821c3fad19 (diff) | |
download | serenity-94b514b981ff47092345f81dfb562ed98d83b91a.zip |
Kernel: Add MAX_CPU_COUNT global constant
Instead of just hard-coding the x86 Processor array to size 64,
we now use a named constant that you can also reference elsewhere. :^)
-rw-r--r-- | Kernel/Arch/aarch64/Processor.h | 2 | ||||
-rw-r--r-- | Kernel/Arch/x86/Processor.h | 4 |
2 files changed, 5 insertions, 1 deletions
diff --git a/Kernel/Arch/aarch64/Processor.h b/Kernel/Arch/aarch64/Processor.h index 5a3d974a6e..1974798bfd 100644 --- a/Kernel/Arch/aarch64/Processor.h +++ b/Kernel/Arch/aarch64/Processor.h @@ -35,6 +35,8 @@ struct [[gnu::aligned(16)]] FPUState // FIXME: Remove this once we support SMP in aarch64 extern Processor* g_current_processor; +constexpr size_t MAX_CPU_COUNT = 1; + class Processor { void* m_processor_specific_data[static_cast<size_t>(ProcessorSpecificDataID::__Count)]; diff --git a/Kernel/Arch/x86/Processor.h b/Kernel/Arch/x86/Processor.h index 64209ffbad..e2c7db936e 100644 --- a/Kernel/Arch/x86/Processor.h +++ b/Kernel/Arch/x86/Processor.h @@ -61,7 +61,9 @@ struct [[gnu::aligned(64), gnu::packed]] FPUState class Processor; // Note: We only support 64 processors at most at the moment, // so allocate 64 slots of inline capacity in the container. -using ProcessorContainer = Array<Processor*, 64>; + +constexpr size_t MAX_CPU_COUNT = 64; +using ProcessorContainer = Array<Processor*, MAX_CPU_COUNT>; class Processor { friend class ProcessorInfo; |