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AgeCommit message (Collapse)Author
2021-01-20kernel: iterate over string with indexDanny Holman
Iterate over a formatted string with an index and strlen instead of using a non-const pointer. The latter method may result in unsafe memory conditions. Signed-off-by: Danny Holman <dholman@gymli.xyz>
2021-01-20kernel: maintain const on stringsDanny Holman
Keep const pointers const when casting from void to char. Signed-off-by: Danny Holman <dholman@gymli.xyz>
2021-01-20serial: don't declare serial_init as staticDanny Holman
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 Holman
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 Holman
Add a "_H" to the end of the include guards in tty.h. Signed-off-by: Danny Holman <dholman@gymli.xyz>
2021-01-18kernel: finish implementing string functionsDanny Holman
Finish implementing the functions from string.h in string.c. Signed-off-by: Danny Holman <dholman@gymli.xyz>
2021-01-17include: remove an include to the tty layer in ioDanny Holman
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 Holman
Implement a basic printf function using primitives from the TTY library. Signed-off-by: Danny Holman <dholman@gymli.xyz>
2021-01-17kernel: add main initialization functionsDanny Holman
Add the main initialiazation functions within the main kernel directory. Signed-off-by: Danny Holman <dholman@gymli.xyz>
2021-01-17kernel: add string.h implementationsDanny Holman
Add implementations for functions declared in string.h. Signed-off-by: Danny Holman <dholman@gymli.xyz>
2021-01-17arch: i386: add support for x86 processorsDanny Holman
Add support for 32-bit x86 processors, i.e. the 80386 and above. Signed-off-by: Danny Holman <dholman@gymli.xyz>
2021-01-17include: create basic C library functionsDanny Holman
Create the basic C library functions for use inside the kernel. Signed-off-by: Danny Holman <dholman@gymli.xyz>
2021-01-17Initial commitDanny Holman
Signed-off-by: Danny Holman <dholman@gymli.xyz>