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Fix several triple-faulting bugs in the paging initialization routines.
These include causing a page fault during physical memory manager
initialization, causing a page fault during paging initialization and
other double-faulting and triple-faulting bugs.
Signed-off-by: Danny Holman <dholman@gymli.org>
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Add a third argument to i386_entry. This argument is the bootstrap page
directory. Pages can be temporarily mapped in during the initialization
of the paging system.
Signed-off-by: Danny Holman <dholman@gymli.org>
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Add the mostly finished physical memory allocator and expose its
functions to the paging system.
Signed-off-by: Danny Holman <dholman@gymli.org>
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Move all the architecture-specific initialization calls to this file.
This frees up the main function to initialize other parts of the kernel.
Signed-off-by: Danny Holman <dholman@gymli.org>
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Add support for the multiboot specification. These files will allow the
kernel to read the multiboot header information as well as the provided
memory map.
Signed-off-by: Danny Holman <dholman@gymli.org>
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