os/kernel/syscall.c

#include <kernel/tty.h>
#include <kernel/io/keyboard.h>
#include <debugging.h>
#include <kernel/heap.h>

static void print(char* buffer, size_t length) 
{
    terminal_writestring(buffer);
}

static void input(char* buffer)
{
    terminal_writestring("Input: ");
    while (true) {
        for (size_t i = 0; i < keyboard_buffer_top; i++) {
            buffer[i] = keyboard_buffer[i];
            if (keyboard_buffer[i] == '\n') {
                buffer[keyboard_buffer_top] = 0;
                keyboard_buffer_top = 0;
                return;
            }
        }
        asm("hlt");
    }
}

void _syscall(size_t a, size_t b, size_t c)
{
    // switch (c) {
        // case 0x00:
            print((char*) a, b);
            // break;
        // case 0x01:
            // input((char*) a);
            // break;
    // }
}