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Add a simple implementation of kmalloc. This system only works on
x86-based processors at the time of commit.
Signed-off-by: Danny Holman <dholman@gymli.org>
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Make the function serial_writestring static. This is an optimization
specifically for small functions such as this one.
Signed-off-by: Danny Holman <dholman@gymli.org>
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The serial_writestring function is small enough and platform-agnostic,
and therefore it should be moved into the main serial header and marked
as inline.
Signed-off-by: Danny Holman <dholman@gymli.org>
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Add a 'k' prefix to the kernel versions of the printf family.
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Add a function in the serial interface that writes an entire string to
the serial line.
Signed-off-by: Danny Holman <dholman@gymli.xyz>
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The function serial_init should not be declared as static. This function
could change under a different architecture and should be defined with
the target architecture.
Signed-off-by: Danny Holman <dholman@gymli.xyz>
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Add support for serial communication in the i386 architecture.
Signed-off-by: Danny Holman <dholman@gymli.xyz>
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Add a "_H" to the end of the include guards in tty.h.
Signed-off-by: Danny Holman <dholman@gymli.xyz>
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Remove the include to the tty layer in io.h.
Signed-off-by: Danny Holman <dholman@gymli.xyz>
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Implement a basic printf function using primitives from the TTY library.
Signed-off-by: Danny Holman <dholman@gymli.xyz>
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Create the basic C library functions for use inside the kernel.
Signed-off-by: Danny Holman <dholman@gymli.xyz>
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