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__ */
114