Staging
v0.8.1
https://github.com/torvalds/linux
Raw File
Tip revision: 706a741595047797872e669b3101429ab8d378ef authored by Linus Torvalds on 20 August 2023, 13:02:52 UTC
Linux 6.5-rc7
Tip revision: 706a741
core.h
/* 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_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

#endif
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