| /* |
| * GRUB -- GRand Unified Bootloader |
| * Copyright (C) 2009 Free Software Foundation, Inc. |
| * |
| * GRUB 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, either version 3 of the License, or |
| * (at your option) any later version. |
| * |
| * GRUB 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. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with GRUB. If not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #include <grub/kernel.h> |
| #include <grub/env.h> |
| #include <grub/cpu/time.h> |
| #include <grub/cpu/mips.h> |
| |
| /* FIXME: use interrupt to count high. */ |
| grub_uint64_t |
| grub_get_rtc (void) |
| { |
| static grub_uint32_t high = 0; |
| static grub_uint32_t last = 0; |
| grub_uint32_t low; |
| |
| asm volatile ("mfc0 %0, " GRUB_CPU_MIPS_COP0_TIMER_COUNT : "=r" (low)); |
| if (low < last) |
| high++; |
| last = low; |
| |
| return (((grub_uint64_t) high) << 32) | low; |
| } |
| |
| void |
| grub_machine_get_bootlocation (char **device __attribute__ ((unused)), |
| char **path __attribute__ ((unused))) |
| { |
| } |