LXR linux/arch/tile/include/arch/spr

   1/*
   2 * Copyright 2010 Tilera Corporation. All Rights Reserved.
   3 *
   4 *   This program is free software; you can redistribute it and/or
   5 *   modify it under the terms of the GNU General Public License
   6 *   as published by the Free Software Foundation, version 2.
   7 *
   8 *   This program is distributed in the hope that it will be useful, but
   9 *   WITHOUT ANY WARRANTY; without even the implied warranty of
  10 *   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
  11 *   NON INFRINGEMENT.  See the GNU General Public License for
  12 *   more details.
  13 */
  14#ifndef __ARCH_SPR_DEF_H__
  15#define __ARCH_SPR_DEF_H__
  16
  17#include <uapi/arch/spr_def.h>
  18
  19
  20/*
  21 * In addition to including the proper base SPR definition file, depending
  22 * on machine architecture, this file defines several macros which allow
  23 * kernel code to use protection-level dependent SPRs without worrying
  24 * about which PL it's running at.  In these macros, the PL that the SPR
  25 * or interrupt number applies to is replaced by K.
  26 */
  27
  28#if CONFIG_KERNEL_PL != 1 && CONFIG_KERNEL_PL != 2
  29#error CONFIG_KERNEL_PL must be 1 or 2
  30#endif
  31
  32/* Concatenate 4 strings. */
  33#define __concat4(a, b, c, d) a ## b ## c ## d
  34#define _concat4(a, b, c, d)  __concat4(a, b, c, d)
  35
  36#ifdef __tilegx__
  37
  38/* TILE-Gx dependent, protection-level dependent SPRs. */
  39
  40#define SPR_INTERRUPT_MASK_K \
  41        _concat4(SPR_INTERRUPT_MASK_, CONFIG_KERNEL_PL,,)
  42#define SPR_INTERRUPT_MASK_SET_K \
  43        _concat4(SPR_INTERRUPT_MASK_SET_, CONFIG_KERNEL_PL,,)
  44#define SPR_INTERRUPT_MASK_RESET_K \
  45        _concat4(SPR_INTERRUPT_MASK_RESET_, CONFIG_KERNEL_PL,,)
  46#define SPR_INTERRUPT_VECTOR_BASE_K \
  47        _concat4(SPR_INTERRUPT_VECTOR_BASE_, CONFIG_KERNEL_PL,,)
  48
  49#define SPR_IPI_MASK_K \
  50        _concat4(SPR_IPI_MASK_, CONFIG_KERNEL_PL,,)
  51#define SPR_IPI_MASK_RESET_K \
  52        _concat4(SPR_IPI_MASK_RESET_, CONFIG_KERNEL_PL,,)
  53#define SPR_IPI_MASK_SET_K \
  54        _concat4(SPR_IPI_MASK_SET_, CONFIG_KERNEL_PL,,)
  55#define SPR_IPI_EVENT_K \
  56        _concat4(SPR_IPI_EVENT_, CONFIG_KERNEL_PL,,)
  57#define SPR_IPI_EVENT_RESET_K \
  58        _concat4(SPR_IPI_EVENT_RESET_, CONFIG_KERNEL_PL,,)
  59#define SPR_IPI_EVENT_SET_K \
  60        _concat4(SPR_IPI_EVENT_SET_, CONFIG_KERNEL_PL,,)
  61#define INT_IPI_K \
  62        _concat4(INT_IPI_, CONFIG_KERNEL_PL,,)
  63
  64#define SPR_SINGLE_STEP_CONTROL_K \
  65        _concat4(SPR_SINGLE_STEP_CONTROL_, CONFIG_KERNEL_PL,,)
  66#define SPR_SINGLE_STEP_EN_K_K \
  67        _concat4(SPR_SINGLE_STEP_EN_, CONFIG_KERNEL_PL, _, CONFIG_KERNEL_PL)
  68#define INT_SINGLE_STEP_K \
  69        _concat4(INT_SINGLE_STEP_, CONFIG_KERNEL_PL,,)
  70
  71#else
  72
  73/* TILEPro dependent, protection-level dependent SPRs. */
  74
  75#define SPR_INTERRUPT_MASK_K_0 \
  76        _concat4(SPR_INTERRUPT_MASK_, CONFIG_KERNEL_PL, _0,)
  77#define SPR_INTERRUPT_MASK_K_1 \
  78        _concat4(SPR_INTERRUPT_MASK_, CONFIG_KERNEL_PL, _1,)
  79#define SPR_INTERRUPT_MASK_SET_K_0 \
  80        _concat4(SPR_INTERRUPT_MASK_SET_, CONFIG_KERNEL_PL, _0,)
  81#define SPR_INTERRUPT_MASK_SET_K_1 \
  82        _concat4(SPR_INTERRUPT_MASK_SET_, CONFIG_KERNEL_PL, _1,)
  83#define SPR_INTERRUPT_MASK_RESET_K_0 \
  84        _concat4(SPR_INTERRUPT_MASK_RESET_, CONFIG_KERNEL_PL, _0,)
  85#define SPR_INTERRUPT_MASK_RESET_K_1 \
  86        _concat4(SPR_INTERRUPT_MASK_RESET_, CONFIG_KERNEL_PL, _1,)
  87
  88#endif
  89
  90/* Generic protection-level dependent SPRs. */
  91
  92#define SPR_SYSTEM_SAVE_K_0 \
  93        _concat4(SPR_SYSTEM_SAVE_, CONFIG_KERNEL_PL, _0,)
  94#define SPR_SYSTEM_SAVE_K_1 \
  95        _concat4(SPR_SYSTEM_SAVE_, CONFIG_KERNEL_PL, _1,)
  96#define SPR_SYSTEM_SAVE_K_2 \
  97        _concat4(SPR_SYSTEM_SAVE_, CONFIG_KERNEL_PL, _2,)
  98#define SPR_SYSTEM_SAVE_K_3 \
  99        _concat4(SPR_SYSTEM_SAVE_, CONFIG_KERNEL_PL, _3,)
 100#define SPR_EX_CONTEXT_K_0 \
 101        _concat4(SPR_EX_CONTEXT_, CONFIG_KERNEL_PL, _0,)
 102#define SPR_EX_CONTEXT_K_1 \
 103        _concat4(SPR_EX_CONTEXT_, CONFIG_KERNEL_PL, _1,)
 104#define SPR_INTCTRL_K_STATUS \
 105        _concat4(SPR_INTCTRL_, CONFIG_KERNEL_PL, _STATUS,)
 106#define INT_INTCTRL_K \
 107        _concat4(INT_INTCTRL_, CONFIG_KERNEL_PL,,)
 108
 109#endif /* __ARCH_SPR_DEF_H__ */
 110