core.h (1069B)
1/* SPDX-License-Identifier: GPL-2.0 */ 2/* Copyright (C) 2019 Cadence Design Systems Inc. */ 3 4#ifndef _ASM_XTENSA_CORE_H 5#define _ASM_XTENSA_CORE_H 6 7#include <variant/core.h> 8 9#ifndef XCHAL_HAVE_EXCLUSIVE 10#define XCHAL_HAVE_EXCLUSIVE 0 11#endif 12 13#ifndef XCHAL_HAVE_EXTERN_REGS 14#define XCHAL_HAVE_EXTERN_REGS 0 15#endif 16 17#ifndef XCHAL_HAVE_MPU 18#define XCHAL_HAVE_MPU 0 19#endif 20 21#ifndef XCHAL_HAVE_VECBASE 22#define XCHAL_HAVE_VECBASE 0 23#endif 24 25#ifndef XCHAL_SPANNING_WAY 26#define XCHAL_SPANNING_WAY 0 27#endif 28 29#if XCHAL_HAVE_WINDOWED 30#if defined(CONFIG_USER_ABI_DEFAULT) || defined(CONFIG_USER_ABI_CALL0_PROBE) 31/* Whether windowed ABI is supported in userspace. */ 32#define USER_SUPPORT_WINDOWED 33#endif 34#if defined(__XTENSA_WINDOWED_ABI__) || defined(USER_SUPPORT_WINDOWED) 35/* Whether windowed ABI is supported either in userspace or in the kernel. */ 36#define SUPPORT_WINDOWED 37#endif 38#endif 39 40/* Xtensa ABI requires stack alignment to be at least 16 */ 41#if XCHAL_DATA_WIDTH > 16 42#define XTENSA_STACK_ALIGNMENT XCHAL_DATA_WIDTH 43#else 44#define XTENSA_STACK_ALIGNMENT 16 45#endif 46 47#endif