src/kernel/log.c


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#include "vga.h"
#include "serial.h"
#include "log.h"

#define LOG_COM COM1

static const uint8_t log_mode_colors[] = {
  0x30,
  0x07,
  0x4f
};

void set_log_mode(enum log_mode mode) {
  vga_set_color(log_mode_colors[mode]);
  vga_printch('\n');
  vga_printch('\n');
}

void logch(char ch) {
  if (ch == '\n') {
    sout(LOG_COM, (uint8_t)'\r');
    sout(LOG_COM, (uint8_t)'\n');
  }
  else
    sout(LOG_COM, (uint8_t)ch);

  vga_printch(ch);
}

void logsz(const char *sz) {
  while (*sz)
    logch(*sz++);
}