projects/linux·blob master · refs

68 lines · 1.5 KiB

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_DIV32
10#define XCHAL_HAVE_DIV32 0
11#endif
12
13#ifndef XCHAL_HAVE_EXCLUSIVE
14#define XCHAL_HAVE_EXCLUSIVE 0
15#endif
16
17#ifndef XCHAL_HAVE_EXTERN_REGS
18#define XCHAL_HAVE_EXTERN_REGS 0
19#endif
20
21#ifndef XCHAL_HAVE_MPU
22#define XCHAL_HAVE_MPU 0
23#endif
24
25#ifndef XCHAL_HAVE_VECBASE
26#define XCHAL_HAVE_VECBASE 0
27#endif
28
29#ifndef XCHAL_SPANNING_WAY
30#define XCHAL_SPANNING_WAY 0
31#endif
32
33#ifndef XCHAL_HAVE_TRAX
34#define XCHAL_HAVE_TRAX 0
35#endif
36
37#ifndef XCHAL_NUM_PERF_COUNTERS
38#define XCHAL_NUM_PERF_COUNTERS 0
39#endif
40
41#if XCHAL_HAVE_WINDOWED
42#if defined(CONFIG_USER_ABI_DEFAULT) || defined(CONFIG_USER_ABI_CALL0_PROBE)
43/* Whether windowed ABI is supported in userspace. */
44#define USER_SUPPORT_WINDOWED
45#endif
46#if defined(__XTENSA_WINDOWED_ABI__) || defined(USER_SUPPORT_WINDOWED)
47/* Whether windowed ABI is supported either in userspace or in the kernel. */
48#define SUPPORT_WINDOWED
49#endif
50#endif
51
52/* Xtensa ABI requires stack alignment to be at least 16 */
53#if XCHAL_DATA_WIDTH > 16
54#define XTENSA_STACK_ALIGNMENT XCHAL_DATA_WIDTH
55#else
56#define XTENSA_STACK_ALIGNMENT 16
57#endif
58
59#ifndef XCHAL_HW_MIN_VERSION
60#if defined(XCHAL_HW_MIN_VERSION_MAJOR) && defined(XCHAL_HW_MIN_VERSION_MINOR)
61#define XCHAL_HW_MIN_VERSION (XCHAL_HW_MIN_VERSION_MAJOR * 100 + \
62 XCHAL_HW_MIN_VERSION_MINOR)
63#else
64#define XCHAL_HW_MIN_VERSION 0
65#endif
66#endif
67
68#endif