| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * Copyright (C) 2016 Cadence Design Systems Inc. |
| */ |
| |
| #ifndef _XTENSA_SYSTEM_H |
| #define _XTENSA_SYSTEM_H |
| |
| #include <asm/arch/core.h> |
| |
| #if XCHAL_HAVE_INTERRUPTS |
| #define local_irq_save(flags) \ |
| __asm__ __volatile__ ("rsil %0, %1" \ |
| : "=a"(flags) \ |
| : "I"(XCHAL_EXCM_LEVEL) \ |
| : "memory") |
| #define local_irq_restore(flags) \ |
| __asm__ __volatile__ ("wsr %0, ps\n\t" \ |
| "rsync" \ |
| :: "a"(flags) : "memory") |
| #else |
| #define local_irq_save(flags) ((void)(flags)) |
| #define local_irq_restore(flags) ((void)(flags)) |
| #endif |
| |
| #endif |