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2017-06-19libc memset, memcmpHEADmasterleleraffa97@hotmail.it2-0/+30
boot improved program allocation
2017-06-02add serial interface and a few std library functionsNao Pross4-0/+44
changes in usart: - new functions to setup the serial comunication settings such as baudrate, parity and stop bits - init function with most common values - transmit and receive functions each with a wrapper to send data blocks changes in libc: - new file stdio.c with basic implementation of putch, printf still a prototype - new file string.c with memcpy() function
2017-05-04Kernel memory mapping setupleleraffa97@hotmail.it1-7/+0
2017-05-02add serial device structNao Pross1-7/+0
other changes: - change from main() to kmain() in crt0.s and kernel.c - new file devices.h to define all address locations for devices - new data type - register_t as volatile uint8_t for registers in devices - size_t from libc
2017-05-02sysio.h libc interfaceleleraffa97@hotmail.it1-0/+55
2017-05-02fix for sdcc makefileNao Pross1-0/+7
fix for the old makefile, because it could't compile more than one source file. new libc directory with mem.c to start implementing the standard C library (or at least the part we need).