| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * linux/arch/unicore32/include/asm/irqflags.h |
| * |
| * Code specific to PKUnity SoC and UniCore ISA |
| * |
| * Copyright (C) 2001-2010 GUAN Xue-tao |
| */ |
| #ifndef __UNICORE_IRQFLAGS_H__ |
| #define __UNICORE_IRQFLAGS_H__ |
| |
| #ifdef __KERNEL__ |
| |
| #include <asm/ptrace.h> |
| |
| #define ARCH_IRQ_DISABLED (PRIV_MODE | PSR_I_BIT) |
| #define ARCH_IRQ_ENABLED (PRIV_MODE) |
| |
| /* |
| * Save the current interrupt enable state. |
| */ |
| static inline unsigned long arch_local_save_flags(void) |
| { |
| unsigned long temp; |
| |
| asm volatile("mov %0, asr" : "=r" (temp) : : "memory", "cc"); |
| |
| return temp & PSR_c; |
| } |
| |
| /* |
| * restore saved IRQ state |
| */ |
| static inline void arch_local_irq_restore(unsigned long flags) |
| { |
| unsigned long temp; |
| |
| asm volatile( |
| "mov %0, asr\n" |
| "mov.a asr, %1\n" |
| "mov.f asr, %0" |
| : "=&r" (temp) |
| : "r" (flags) |
| : "memory", "cc"); |
| } |
| |
| #include <asm-generic/irqflags.h> |
| |
| #endif |
| #endif |