// output a character to the console
static void
cons_putc(int c)
{
serial_putc(c);
lpt_putc(c);
cga_putc(c);
}
// output a character to the console
static void
cons_putc_color(int font_color, int bg_color, int c)
{
const char *esc_seq_font = color_entries[font_color].esc_seq_font;
const char *esc_seq_bg = color_entries[bg_color].esc_seq_bg;
uint8_t attr = 0;
if (font_color < 0 || font_color >= COLOR_MAX ||
bg_color < 0 || bg_color >= COLOR_MAX)
panic("invalid color specifier\n");
// define NO_COLOR flag in order to keep grading scripts happy;
// python's regexes have problems with ansi escape sequences;
// it is easier to pass flag and disable colors for grading rather than
// discarding sequences in every grading regex;
#ifndef NO_COLOR
output_esc_seq(esc_seq_font);
output_esc_seq(esc_seq_bg);
#endif
serial_putc(c);
attr = ((bg_color & 0x7) << 4) | (font_color & 0xf);
c |= (attr << 8);
lpt_putc(c);
cga_putc(c);
}
/* cons_putc - print a single character @c to console devices */
void
cons_putc(int c) {
unsigned long intr_flag;
local_irq_save(intr_flag);
{
lpt_putc(c);
cga_putc(c);
serial_putc(c);
}
local_irq_restore(intr_flag);
}
/* cons_putc - print a single character @c to console devices */
void cons_putc(int c)
{
bool intr_flag;
local_intr_save(intr_flag);
{
lpt_putc(c);
cga_putc(c);
serial_putc(c);
}
local_intr_restore(intr_flag);
}
void
cons_putc(int c)
{
if(panicked) {
cli();
for(;;)
;
}
lpt_putc(c);
cga_putc(c);
}
// output a character to the console
void
cons_putc(int c)
{
lpt_putc(c);
cga_putc(c);
}