Age | Commit message (Collapse) | Author |
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For some reason, commit be5b9d6ab9f7e7a81c367e4bb0823ba11f85940f didn't
take care of all reserved identifiers.
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In particular, the pic and ioapic modules register their respective
devices as interrupt controllers. Selection between the legacy XT-PIC
and the modern APIC system is made on the availability of ACPI,
disregarding the multiprocessor specification entirely. The uart
driver is also updated to register devices interrupt handlers.
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Instead of mixing standard headers and internal redefinitions of standard
types, completely rely on the compiler for what is guaranteed for a free
standing environment. This results in the removal of kern/stddef.h and
kern/stdint.h. The kern/types.h header is reintroduced for the different
(and saner) purpose of defining types not specified in standard C,
namely ssize_t for now.
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Interrupt handler functions are suffixed with _intr.
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Make it clear that destinations are APIC IDs and not kernel-assigned
processor IDs.
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In addition, make lapic_eoi public.
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There are no precise enough criteria to justify the separation of these
two directories.
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The trap module is responsible for managing low level interrupts and
exceptions.
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Merge 32-bit IA-32 (i386) and 64-bit AMD64 (amd64) code into one common
architecture. The amd64 variant isn't functional yet.
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