brados/kernel/brados.c

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#include <stddef.h>
#include <brados/string.h>
#include <video/vga.h>
// Make sure we are using the right compiler
#if defined(__linux__)
#error "You are using the wrong compiler."
#endif
// Test various VGA functionality
void vgaTests(struct vgastate *term)
{
// Test line wrapping
term_writeStr(term, "Welcome to the desert of the real. I thought what I'd do was I'd pretend I was one of those deaf mutes.\n\n");
// Test colors
term_setColor(term, make_color(VGA_COLOR_BLACK, VGA_COLOR_WHITE));
term_writeStr(term, "This text should be inverse.\n");
term_setColor(term, make_color(VGA_COLOR_LIGHT_BLUE, VGA_COLOR_GREEN));
term_writeStr(term, "This text should be colorful.\n\n");
// Test scrolling
term_setColor(term, make_color(VGA_COLOR_LIGHT_GREY, VGA_COLOR_BLACK));
for (size_t i = 0; i < 20; i++) {
term_writeStr(term, "Printing some lines.\n");
for (volatile size_t j = 0; j < 100000000; j++);
}
}
// Main kernel function
void brados_main()
{
struct vgastate term;
term_init(&term);
// Welcome message
term_writeStr(&term, "Welcome to BRaDOS!\n");
term_writeStr(&term, "written by L. Bradley LaBoon\n\n");
vgaTests(&term);
term_writeStr(&term, "Done.");
}