arch/xtensa/include/asm/core.h

   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