arch/tile/include/arch/spr_def.h

   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
  15 /* Include the proper base SPR definition file. */
  16 #ifdef __tilegx__
  17 #include <arch/spr_def_64.h>
  18 #else
  19 #include <arch/spr_def_32.h>
  20 #endif
  21
  22 #ifdef __KERNEL__
  23
  24 /*
  25  * In addition to including the proper base SPR definition file, depending
  26  * on machine architecture, this file defines several macros which allow
  27  * kernel code to use protection-level dependent SPRs without worrying
  28  * about which PL it's running at.  In these macros, the PL that the SPR
  29  * or interrupt number applies to is replaced by K.
  30  */
  31
  32 #if CONFIG_KERNEL_PL != 1 && CONFIG_KERNEL_PL != 2
  33 #error CONFIG_KERNEL_PL must be 1 or 2
  34 #endif
  35
  36 /* Concatenate 4 strings. */
  37 #define __concat4(a, b, c, d) a ## b ## c ## d
  38 #define _concat4(a, b, c, d)  __concat4(a, b, c, d)
  39
  40 #ifdef __tilegx__
  41
  42 /* TILE-Gx dependent, protection-level dependent SPRs. */
  43
  44 #define SPR_INTERRUPT_MASK_K \
  45         _concat4(SPR_INTERRUPT_MASK_, CONFIG_KERNEL_PL,,)
  46 #define SPR_INTERRUPT_MASK_SET_K \
  47         _concat4(SPR_INTERRUPT_MASK_SET_, CONFIG_KERNEL_PL,,)
  48 #define SPR_INTERRUPT_MASK_RESET_K \
  49         _concat4(SPR_INTERRUPT_MASK_RESET_, CONFIG_KERNEL_PL,,)
  50 #define SPR_INTERRUPT_VECTOR_BASE_K \
  51         _concat4(SPR_INTERRUPT_VECTOR_BASE_, CONFIG_KERNEL_PL,,)
  52
  53 #define SPR_IPI_MASK_K \
  54         _concat4(SPR_IPI_MASK_, CONFIG_KERNEL_PL,,)
  55 #define SPR_IPI_MASK_RESET_K \
  56         _concat4(SPR_IPI_MASK_RESET_, CONFIG_KERNEL_PL,,)
  57 #define SPR_IPI_MASK_SET_K \
  58         _concat4(SPR_IPI_MASK_SET_, CONFIG_KERNEL_PL,,)
  59 #define SPR_IPI_EVENT_K \
  60         _concat4(SPR_IPI_EVENT_, CONFIG_KERNEL_PL,,)
  61 #define SPR_IPI_EVENT_RESET_K \
  62         _concat4(SPR_IPI_EVENT_RESET_, CONFIG_KERNEL_PL,,)
  63 #define SPR_IPI_EVENT_SET_K \
  64         _concat4(SPR_IPI_EVENT_SET_, CONFIG_KERNEL_PL,,)
  65 #define INT_IPI_K \
  66         _concat4(INT_IPI_, CONFIG_KERNEL_PL,,)
  67
  68 #define SPR_SINGLE_STEP_CONTROL_K \
  69         _concat4(SPR_SINGLE_STEP_CONTROL_, CONFIG_KERNEL_PL,,)
  70 #define SPR_SINGLE_STEP_EN_K_K \
  71         _concat4(SPR_SINGLE_STEP_EN_, CONFIG_KERNEL_PL, _, CONFIG_KERNEL_PL)
  72 #define INT_SINGLE_STEP_K \
  73         _concat4(INT_SINGLE_STEP_, CONFIG_KERNEL_PL,,)
  74
  75 #else
  76
  77 /* TILEPro dependent, protection-level dependent SPRs. */
  78
  79 #define SPR_INTERRUPT_MASK_K_0 \
  80         _concat4(SPR_INTERRUPT_MASK_, CONFIG_KERNEL_PL, _0,)
  81 #define SPR_INTERRUPT_MASK_K_1 \
  82         _concat4(SPR_INTERRUPT_MASK_, CONFIG_KERNEL_PL, _1,)
  83 #define SPR_INTERRUPT_MASK_SET_K_0 \
  84         _concat4(SPR_INTERRUPT_MASK_SET_, CONFIG_KERNEL_PL, _0,)
  85 #define SPR_INTERRUPT_MASK_SET_K_1 \
  86         _concat4(SPR_INTERRUPT_MASK_SET_, CONFIG_KERNEL_PL, _1,)
  87 #define SPR_INTERRUPT_MASK_RESET_K_0 \
  88         _concat4(SPR_INTERRUPT_MASK_RESET_, CONFIG_KERNEL_PL, _0,)
  89 #define SPR_INTERRUPT_MASK_RESET_K_1 \
  90         _concat4(SPR_INTERRUPT_MASK_RESET_, CONFIG_KERNEL_PL, _1,)
  91
  92 #endif
  93
  94 /* Generic protection-level dependent SPRs. */
  95
  96 #define SPR_SYSTEM_SAVE_K_0 \
  97         _concat4(SPR_SYSTEM_SAVE_, CONFIG_KERNEL_PL, _0,)
  98 #define SPR_SYSTEM_SAVE_K_1 \
  99         _concat4(SPR_SYSTEM_SAVE_, CONFIG_KERNEL_PL, _1,)
 100 #define SPR_SYSTEM_SAVE_K_2 \
 101         _concat4(SPR_SYSTEM_SAVE_, CONFIG_KERNEL_PL, _2,)
 102 #define SPR_SYSTEM_SAVE_K_3 \
 103         _concat4(SPR_SYSTEM_SAVE_, CONFIG_KERNEL_PL, _3,)
 104 #define SPR_EX_CONTEXT_K_0 \
 105         _concat4(SPR_EX_CONTEXT_, CONFIG_KERNEL_PL, _0,)
 106 #define SPR_EX_CONTEXT_K_1 \
 107         _concat4(SPR_EX_CONTEXT_, CONFIG_KERNEL_PL, _1,)
 108 #define SPR_INTCTRL_K_STATUS \
 109         _concat4(SPR_INTCTRL_, CONFIG_KERNEL_PL, _STATUS,)
 110 #define INT_INTCTRL_K \
 111         _concat4(INT_INTCTRL_, CONFIG_KERNEL_PL,,)
 112
 113 #endif /* __KERNEL__ */