/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_MASK_SET_K \
 64	_concat4(SPR_IPI_MASK_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__ */