Greentime Hu | f13c34b | 2017-10-24 15:50:45 +0800 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | // Copyright (C) 2005-2017 Andes Technology Corporation |
| 3 | |
| 4 | #include <asm/nds32.h> |
| 5 | #include <nds32_intrinsic.h> |
| 6 | |
| 7 | #define arch_local_irq_disable() \ |
| 8 | GIE_DISABLE(); |
| 9 | |
| 10 | #define arch_local_irq_enable() \ |
| 11 | GIE_ENABLE(); |
| 12 | static inline unsigned long arch_local_irq_save(void) |
| 13 | { |
| 14 | unsigned long flags; |
| 15 | flags = __nds32__mfsr(NDS32_SR_PSW) & PSW_mskGIE; |
| 16 | GIE_DISABLE(); |
| 17 | return flags; |
| 18 | } |
| 19 | |
| 20 | static inline unsigned long arch_local_save_flags(void) |
| 21 | { |
| 22 | unsigned long flags; |
| 23 | flags = __nds32__mfsr(NDS32_SR_PSW) & PSW_mskGIE; |
| 24 | return flags; |
| 25 | } |
| 26 | |
| 27 | static inline void arch_local_irq_restore(unsigned long flags) |
| 28 | { |
| 29 | if(flags) |
| 30 | GIE_ENABLE(); |
| 31 | } |
| 32 | |
| 33 | static inline int arch_irqs_disabled_flags(unsigned long flags) |
| 34 | { |
| 35 | return !flags; |
| 36 | } |