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Diffstat (limited to 'arch/nds32/include/asm/system.h')
| -rw-r--r-- | arch/nds32/include/asm/system.h | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/arch/nds32/include/asm/system.h b/arch/nds32/include/asm/system.h deleted file mode 100644 index 5453a9b902a..00000000000 --- a/arch/nds32/include/asm/system.h +++ /dev/null @@ -1,71 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * Copyright (C) 2011 Andes Technology Corporation - * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com> - */ - -#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 */ |