mirror of
https://github.com/smaeul/u-boot.git
synced 2025-10-31 03:58:17 +00:00
00f892fcc9
Add generic header files support for nds32 architecture. Cache, ptregs, data type and other definitions are included. Signed-off-by: Macpaul Lin <macpaul@andestech.com>
89 lines
2.1 KiB
C
89 lines
2.1 KiB
C
/*
|
|
* Copyright (C) 2011 Andes Technology Corporation
|
|
* Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
|
|
*
|
|
* 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., 51 Franklin St, Fifth Floor, Boston,
|
|
* MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef __ASM_NDS_SYSTEM_H
|
|
#define __ASM_NDS_SYSTEM_H
|
|
|
|
/*
|
|
* Interrupt configuring macros.
|
|
*/
|
|
|
|
extern int irq_flags;
|
|
|
|
#define local_irq_enable() \
|
|
__asm__ __volatile__ ( \
|
|
"mfsr %0, $psw\n\t" \
|
|
"andi %0, %0, 0x1\n\t" \
|
|
"setgie.e\n\t" \
|
|
: \
|
|
: "r" (irq_flags) \
|
|
)
|
|
|
|
#define local_irq_disable() \
|
|
do { \
|
|
int __tmp_dummy; \
|
|
__asm__ __volatile__ ( \
|
|
"mfsr %0, $psw\n\t" \
|
|
"andi %0, %0, 0x1\n\t" \
|
|
"setgie.d\n\t" \
|
|
"dsb\n\t" \
|
|
: "=r" (__tmp_dummy) \
|
|
); \
|
|
} while (0)
|
|
|
|
#define local_irq_save(x) \
|
|
__asm__ __volatile__ ( \
|
|
"mfsr %0, $psw\n\t" \
|
|
"andi %0, %0, 0x1\n\t" \
|
|
"setgie.d\n\t" \
|
|
"dsb\n\t" \
|
|
: "=&r" (x) \
|
|
)
|
|
|
|
#define local_save_flags(x) \
|
|
__asm__ __volatile__ ( \
|
|
"mfsr %0, $psw\n\t" \
|
|
"andi %0, %0, 0x1\n\t" \
|
|
"setgie.e\n\t" \
|
|
"setgie.d\n\t" \
|
|
: "=r" (x) \
|
|
)
|
|
|
|
#define irqs_enabled_from_flags(x) ((x) != 0x1f)
|
|
|
|
#define local_irq_restore(x) \
|
|
do { \
|
|
if (irqs_enabled_from_flags(x)) \
|
|
local_irq_enable(); \
|
|
} while (0)
|
|
|
|
/*
|
|
* Force strict CPU ordering.
|
|
*/
|
|
#define nop() asm volatile ("nop;\n\t" : : )
|
|
#define mb() asm volatile ("" : : : "memory")
|
|
#define rmb() asm volatile ("" : : : "memory")
|
|
#define wmb() asm volatile ("" : : : "memory")
|
|
|
|
#endif /* __ASM_NDS_SYSTEM_H */
|