55 lines
1.3 KiB
C
55 lines
1.3 KiB
C
#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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#include "terminal.c"
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#include "memory.c"
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/* Check if the compiler thinks you are targeting the wrong operating system. */
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#if defined(__linux__)
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#error "You are not using a cross-compiler, you will most certainly run into trouble"
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#endif
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/* This tutorial will only work for the 32-bit ix86 targets. */
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#if !defined(__i386__)
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#error "This tutorial needs to be compiled with a ix86-elf compiler"
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#endif
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struct person {
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long id;
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int age;
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char gender;
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};
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void kernel_main(void)
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{
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/* Initialize terminal interface */
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terminal_initialize();
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terminal_putchar('H');
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terminal_putchar('e');
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terminal_putchar('l');
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terminal_putchar('l');
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terminal_putchar('o');
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terminal_setcolor(vga_entry_color(VGA_COLOR_GREEN, VGA_COLOR_BLACK));
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terminal_writestring(" kernel");
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terminal_setcolor(vga_entry_color(VGA_COLOR_LIGHT_GREY, VGA_COLOR_BLACK));
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terminal_writestring(" World!\n");
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terminal_writestring("Newlines!\n");
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char* memory_str = alloc(sizeof(char) * 7);
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for (int i = 0; i < 6; i++) {
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memory_str[i] = "Memory"[i];
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}
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memory_str[6] = 0;
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char* management_str = alloc(sizeof(char) * 13);
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for (int i = 0; i < 12; i++) {
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management_str[i] = " management!"[i];
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}
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management_str[12] = 0;
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terminal_writestring(memory_str);
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terminal_writestring(management_str);
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} |