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 #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__ */