Quelle  core.h   Sprache: C

/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2019 Cadence Design Systems Inc. */

#ifndef _ASM_XTENSA_CORE_H
#define _ASM_XTENSA_CORE_H

#include <variant/core.h>

#ifndef XCHAL_HAVE_DIV32
#define XCHAL_HAVE_DIV32 0
#endif

#ifndef XCHAL_HAVE_EXCLUSIVE
#define XCHAL_HAVE_EXCLUSIVE 0
#endif

#ifndef XCHAL_HAVE_EXTERN_REGS
#define XCHAL_HAVE_EXTERN_REGS 0
#endif

#ifndef XCHAL_HAVE_MPU
#define XCHAL_HAVE_MPU 0
#endif

#ifndef XCHAL_HAVE_VECBASE
#define XCHAL_HAVE_VECBASE 0
#endif

#ifndef XCHAL_SPANNING_WAY
#define XCHAL_SPANNING_WAY 0
#endif

#ifndef XCHAL_HAVE_TRAX
#define XCHAL_HAVE_TRAX 0
#endif

#ifndef XCHAL_NUM_PERF_COUNTERS
#define XCHAL_NUM_PERF_COUNTERS 0
#endif

#if XCHAL_HAVE_WINDOWED
#if defined(CONFIG_USER_ABI_DEFAULT) || defined(CONFIG_USER_ABI_CALL0_PROBE)
/* Whether windowed ABI is supported in userspace. */
#define USER_SUPPORT_WINDOWED
#endif
#if defined(__XTENSA_WINDOWED_ABI__) || defined(USER_SUPPORT_WINDOWED)
/* Whether windowed ABI is supported either in userspace or in the kernel. */
#define SUPPORT_WINDOWED
#endif
#endif

/* Xtensa ABI requires stack alignment to be at least 16 */
#if XCHAL_DATA_WIDTH > 16
#define XTENSA_STACK_ALIGNMENT XCHAL_DATA_WIDTH
#else
#define XTENSA_STACK_ALIGNMENT 16
#endif

#ifndef XCHAL_HW_MIN_VERSION
#if defined(XCHAL_HW_MIN_VERSION_MAJOR) && defined(XCHAL_HW_MIN_VERSION_MINOR)
#define XCHAL_HW_MIN_VERSION (XCHAL_HW_MIN_VERSION_MAJOR * 100 + \
         XCHAL_HW_MIN_VERSION_MINOR)
#else
#define XCHAL_HW_MIN_VERSION 0
#endif
#endif

#endif