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2021-01-20serial: don't declare serial_init as staticDanny Holman1-1/+1
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>
2021-01-20i386: add serial port supportDanny Holman1-0/+8
Add support for serial communication in the i386 architecture. Signed-off-by: Danny Holman <dholman@gymli.xyz>
2021-01-20include: append "_H" to include guardsDanny Holman1-2/+2
Add a "_H" to the end of the include guards in tty.h. Signed-off-by: Danny Holman <dholman@gymli.xyz>
2021-01-17include: remove an include to the tty layer in ioDanny Holman1-1/+0
Remove the include to the tty layer in io.h. Signed-off-by: Danny Holman <dholman@gymli.xyz>
2021-01-17kernel: implement a basic printf functionDanny Holman1-0/+10
Implement a basic printf function using primitives from the TTY library. Signed-off-by: Danny Holman <dholman@gymli.xyz>
2021-01-17include: create basic C library functionsDanny Holman2-0/+23
Create the basic C library functions for use inside the kernel. Signed-off-by: Danny Holman <dholman@gymli.xyz>