/* * * Copyright (C) 2018 Google Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #include <libpayload-config.h> #include <libpayload.h> #include "linuxcheck.h" void buts(char *s) { int i; for (i = 0; i < strlen(s); i++) outb(s[i], 0x3f8); } void hex4(u8 c) { static char *hex = "0123456789abcdef"; outb(hex[c & 0xf], 0x3f8); } void hex8(u8 c) { hex4(c >> 4); hex4(c); } void hex16(u16 c) { hex8((u8)(c >> 8)); hex8((u8)c); } void hex32(u32 c) { hex16((u16)(c >> 16)); hex16((u16)c); }