mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-12 16:07:30 +00:00
819833af39
This helps to clean up the include/ directory so that it only contains non-architecture-specific headers and also matches Linux's directory layout which many U-Boot developers are already familiar with. Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
59 lines
1.8 KiB
C
59 lines
1.8 KiB
C
/*
|
|
* (C) Copyright 2004, Psyent Corporation <www.psyent.com>
|
|
* Scott McNutt <smcnutt@psyent.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., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*/
|
|
#ifndef __ASM_NIOS2_SYSTEM_H_
|
|
#define __ASM_NIOS2_SYSTEM_H_
|
|
|
|
#define local_irq_enable() __asm__ __volatile__ ( \
|
|
"rdctl r8, status\n" \
|
|
"ori r8, r8, 1\n" \
|
|
"wrctl status, r8\n" \
|
|
: : : "r8")
|
|
|
|
#define local_irq_disable() __asm__ __volatile__ ( \
|
|
"rdctl r8, status\n" \
|
|
"andi r8, r8, 0xfffe\n" \
|
|
"wrctl status, r8\n" \
|
|
: : : "r8")
|
|
|
|
#define local_save_flags(x) __asm__ __volatile__ ( \
|
|
"rdctl r8, status\n" \
|
|
"mov %0, r8\n" \
|
|
: "=r" (x) : : "r8", "memory")
|
|
|
|
#define local_irq_restore(x) __asm__ __volatile__ ( \
|
|
"mov r8, %0\n" \
|
|
"wrctl status, r8\n" \
|
|
: : "r" (x) : "r8", "memory")
|
|
|
|
/* For spinlocks etc */
|
|
#define local_irq_save(x) do { local_save_flags(x); local_irq_disable(); } \
|
|
while (0)
|
|
|
|
#define irqs_disabled() \
|
|
({ \
|
|
unsigned long flags; \
|
|
local_save_flags(flags); \
|
|
((flags & NIOS2_STATUS_PIE_MSK) == 0x0); \
|
|
})
|
|
|
|
#endif /* __ASM_NIOS2_SYSTEM_H */
|