arch/x86_64/lib/printf.c


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#include "../hal/serial_com.h"
#include "lib/printf.h"
#include "lib/virtterm.h"
#include "init.h"

int
kvprintf(const char *fmt, va_list ap)
{
    char buffer[256] = { 0 };
    int r = vsnprintf(buffer, 256, fmt, ap);
    int wlen = (r > 256 ? 256 : r);

    {
        jove_owned_obj_t *serial_obj = obj_take(objdir_getlocal(_rootdir_obj, ROOTDIR_SERIAL_COM_I));
        serial_com_write(serial_obj, buffer, wlen);
        obj_release(serial_obj);

        jove_owned_obj_t *vt_obj = obj_take(objdir_getlocal(_rootdir_obj, ROOTDIR_VIRTTERM_I));
        vt_write(vt_obj, buffer, wlen);

        obj_release(vt_obj);
    }

    return r;
}