| /* |
| * |
| * 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); |
| } |