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Create a subset of the C library for use inside the kernel.
Signed-off-by: Danny Holman <dholman@gymli.org>
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Add a basic thread scheduler. This should allow the kernel to schedule
threads according to the round robin algorithm.
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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Add an implmentation of strcpy. This function is used in several places
in the kernel to copy strings between memory addresses.
Signed-off-by: Danny Holman <dholman@gymli.org>
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Update the copyright year and contact email in the README file.
Signed-off-by: Danny Holman <dholman@gymli.org>
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Signed-off-by: Danny Holman <dholman@gymli.org>
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Add new source files to the x86 architecture build configuration.
Signed-off-by: Danny Holman <dholman@gymli.org>
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The CC variable is already defined by the make program, so use "CC:="
instead of "CC?=". This makes sure the proper cross compiler is in use.
Signed-off-by: Danny Holman <dholman@gymli.org>
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Add targets to perform a test run and debug run inside a VM.
Signed-off-by: Danny Holman <dholman@gymli.org>
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Add support for the 8259 programmable interrupt controller.
Signed-off-by: Danny Holman <dholman@gymli.xyz>
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Clean up the Makefile to be more clear and readable.
Signed-off-by: Danny Holman <dholman@gymli.xyz>
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Add an include directive in the main Makefile that includes the
dependency files generated by GCC.
Signed-off-by: Danny Holman <dholman@gymli.xyz>
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Fix a bug in which the architecture specific include directories are not
properly included in the main Makefile.
Signed-off-by: Danny Holman <dholman@gymli.xyz>
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Add structure to the internals of the x86 directory.
Signed-off-by: Danny Holman <dholman@gymli.xyz>
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Signed-off-by: Danny Holman <dholman@gymli.xyz>
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