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