Linux Kernel  3.7.1
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glue-pf.h
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1 /*
2  * arch/arm/include/asm/glue-pf.h
3  *
4  * Copyright (C) 1997-1999 Russell King
5  * Copyright (C) 2000-2002 Deep Blue Solutions Ltd.
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License version 2 as
9  * published by the Free Software Foundation.
10  */
11 #ifndef ASM_GLUE_PF_H
12 #define ASM_GLUE_PF_H
13 
14 #include <asm/glue.h>
15 
16 /*
17  * Prefetch Abort Model
18  * ================
19  *
20  * We have the following to choose from:
21  * legacy - no IFSR, no IFAR
22  * v6 - ARMv6: IFSR, no IFAR
23  * v7 - ARMv7: IFSR and IFAR
24  */
25 
26 #undef CPU_PABORT_HANDLER
27 #undef MULTI_PABORT
28 
29 #ifdef CONFIG_CPU_PABRT_LEGACY
30 # ifdef CPU_PABORT_HANDLER
31 # define MULTI_PABORT 1
32 # else
33 # define CPU_PABORT_HANDLER legacy_pabort
34 # endif
35 #endif
36 
37 #ifdef CONFIG_CPU_PABRT_V6
38 # ifdef CPU_PABORT_HANDLER
39 # define MULTI_PABORT 1
40 # else
41 # define CPU_PABORT_HANDLER v6_pabort
42 # endif
43 #endif
44 
45 #ifdef CONFIG_CPU_PABRT_V7
46 # ifdef CPU_PABORT_HANDLER
47 # define MULTI_PABORT 1
48 # else
49 # define CPU_PABORT_HANDLER v7_pabort
50 # endif
51 #endif
52 
53 #ifndef CPU_PABORT_HANDLER
54 #error Unknown prefetch abort handler type
55 #endif
56 
57 #endif