diff options
Diffstat (limited to 'arch/xtensa/include/asm/core.h')
| -rw-r--r-- | arch/xtensa/include/asm/core.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/arch/xtensa/include/asm/core.h b/arch/xtensa/include/asm/core.h new file mode 100644 index 000000000..25293269e --- /dev/null +++ b/arch/xtensa/include/asm/core.h @@ -0,0 +1,60 @@ +/* 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 + +#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 |