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 #ifndef XCHAL_HAVE_TRAX 30 #define XCHAL_HAVE_TRAX 0 31 #endif 32 33 #ifndef XCHAL_NUM_PERF_COUNTERS 34 #define XCHAL_NUM_PERF_COUNTERS 0 35 #endif 36 37 #if XCHAL_HAVE_WINDOWED 38 #if defined(CONFIG_USER_ABI_DEFAULT) || defined(CONFIG_USER_ABI_CALL0_PROBE) 39 /* Whether windowed ABI is supported in userspace. */ 40 #define USER_SUPPORT_WINDOWED 41 #endif 42 #if defined(__XTENSA_WINDOWED_ABI__) || defined(USER_SUPPORT_WINDOWED) 43 /* Whether windowed ABI is supported either in userspace or in the kernel. */ 44 #define SUPPORT_WINDOWED 45 #endif 46 #endif 47 48 /* Xtensa ABI requires stack alignment to be at least 16 */ 49 #if XCHAL_DATA_WIDTH > 16 50 #define XTENSA_STACK_ALIGNMENT XCHAL_DATA_WIDTH 51 #else 52 #define XTENSA_STACK_ALIGNMENT 16 53 #endif 54 55 #ifndef XCHAL_HW_MIN_VERSION 56 #if defined(XCHAL_HW_MIN_VERSION_MAJOR) && defined(XCHAL_HW_MIN_VERSION_MINOR) 57 #define XCHAL_HW_MIN_VERSION (XCHAL_HW_MIN_VERSION_MAJOR * 100 + \ 58 XCHAL_HW_MIN_VERSION_MINOR) 59 #else 60 #define XCHAL_HW_MIN_VERSION 0 61 #endif 62 #endif 63 64 #endif 65