* Portions of this file are derived from the Linux kernel source
* Copyright (C) 1991, 1992 Linus Torvalds
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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; either version 2 of
- * the License, or (at your option) any later version.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/msr.h>
#include <asm/u-boot-x86.h>
+DECLARE_GLOBAL_DATA_PTR;
+
#define DECLARE_INTERRUPT(x) \
".globl irq_"#x"\n" \
".hidden irq_"#x"\n" \
*/
u64 get_ticks(void)
{
- static u64 tick_base;
u64 now_tick = rdtsc();
- if (!tick_base)
- tick_base = now_tick;
+ if (!gd->arch.tsc_base)
+ gd->arch.tsc_base = now_tick;
- return now_tick - tick_base;
+ return now_tick - gd->arch.tsc_base;
}
#define PLATFORM_INFO_MSR 0xce