| /* SPDX-License-Identifier: GPL-2.0 */ |
| // Copyright (C) 2005-2017 Andes Technology Corporation |
| |
| #include <asm/nds32.h> |
| #include <nds32_intrinsic.h> |
| |
| #define arch_local_irq_disable() \ |
| GIE_DISABLE(); |
| |
| #define arch_local_irq_enable() \ |
| GIE_ENABLE(); |
| static inline unsigned long arch_local_irq_save(void) |
| { |
| unsigned long flags; |
| flags = __nds32__mfsr(NDS32_SR_PSW) & PSW_mskGIE; |
| GIE_DISABLE(); |
| return flags; |
| } |
| |
| static inline unsigned long arch_local_save_flags(void) |
| { |
| unsigned long flags; |
| flags = __nds32__mfsr(NDS32_SR_PSW) & PSW_mskGIE; |
| return flags; |
| } |
| |
| static inline void arch_local_irq_restore(unsigned long flags) |
| { |
| if(flags) |
| GIE_ENABLE(); |
| } |
| |
| static inline int arch_irqs_disabled_flags(unsigned long flags) |
| { |
| return !flags; |
| } |
| |
| static inline int arch_irqs_disabled(void) |
| { |
| return arch_irqs_disabled_flags(arch_local_save_flags()); |
| } |