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-rw-r--r--grub-core/kern/mips/init.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/grub-core/kern/mips/init.c b/grub-core/kern/mips/init.c
new file mode 100644
index 0000000..14b8752
--- /dev/null
+++ b/grub-core/kern/mips/init.c
@@ -0,0 +1,38 @@
+/*
+ * 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;
+}