| Chris Zankel | 1387dab | 2016-08-10 18:36:44 +0300 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 Cadence Design Systems Inc. |
| 3 | * |
| 4 | * SPDX-License-Identifier: GPL-2.0+ |
| 5 | */ |
| 6 | |
| 7 | #ifndef _XTENSA_SYSTEM_H |
| 8 | #define _XTENSA_SYSTEM_H |
| 9 | |
| 10 | #include <asm/arch/core.h> |
| 11 | |
| 12 | #if XCHAL_HAVE_INTERRUPTS |
| 13 | #define local_irq_save(flags) \ |
| 14 | __asm__ __volatile__ ("rsil %0, %1" \ |
| 15 | : "=a"(flags) \ |
| 16 | : "I"(XCHAL_EXCM_LEVEL) \ |
| 17 | : "memory") |
| 18 | #define local_irq_restore(flags) \ |
| 19 | __asm__ __volatile__ ("wsr %0, ps\n\t" \ |
| 20 | "rsync" \ |
| 21 | :: "a"(flags) : "memory") |
| 22 | #else |
| 23 | #define local_irq_save(flags) ((void)(flags)) |
| 24 | #define local_irq_restore(flags) ((void)(flags)) |
| 25 | #endif |
| 26 | |
| 27 | #endif |