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 48