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Implemented initial printk. Added multiboot support.

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This commit is contained in:
L. Bradley LaBoon
2014-01-31 16:12:04 -05:00
parent 3b27d50edb
commit f23f3a8a8d
12 changed files with 257 additions and 38 deletions
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20
driver/video/vga.c
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@ -82,6 +82,26 @@ void term_setColor(struct vgastate *state, uint8_t color)
state->term_color = color;
}
// Test various VGA functionality
void term_test(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++);
}
}
// Write a string to a VGA term
void term_writeStr(struct vgastate *state, const char *data)
{