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