1/*
2 *  linux/include/asm-arm/glue.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 *  This file provides the glue to stick the processor-specific bits
12 *  into the kernel in an efficient manner.  The idea is to use branches
13 *  when we're only targetting one class of TLB, or indirect calls
14 *  when we're targetting multiple classes of TLBs.
15 */
16#ifdef __KERNEL__
17
18
19#ifdef __STDC__
20#define ____glue(name,fn)	name##fn
21#else
22#define ____glue(name,fn)	name/**/fn
23#endif
24#define __glue(name,fn)		____glue(name,fn)
25
26
27
28/*
29 *	Data Abort Model
30 *	================
31 *
32 *	We have the following to choose from:
33 *	  arm6          - ARM6 style
34 *	  arm7		- ARM7 style
35 *	  v4_early	- ARMv4 without Thumb early abort handler
36 *	  v4t_late	- ARMv4 with Thumb late abort handler
37 *	  v4t_early	- ARMv4 with Thumb early abort handler
38 *	  v5tej_early	- ARMv5 with Thumb and Java early abort handler
39 *	  xscale	- ARMv5 with Thumb with Xscale extensions
40 *	  v6_early	- ARMv6 generic early abort handler
41 */
42#undef CPU_ABORT_HANDLER
43#undef MULTI_ABORT
44
45#if defined(CONFIG_CPU_ARM610)
46# ifdef CPU_ABORT_HANDLER
47#  define MULTI_ABORT 1
48# else
49#  define CPU_ABORT_HANDLER cpu_arm6_data_abort
50# endif
51#endif
52
53#if defined(CONFIG_CPU_ARM710)
54# ifdef CPU_ABORT_HANDLER
55#  define MULTI_ABORT 1
56# else
57#  define CPU_ABORT_HANDLER cpu_arm7_data_abort
58# endif
59#endif
60
61#ifdef CONFIG_CPU_ABRT_LV4T
62# ifdef CPU_ABORT_HANDLER
63#  define MULTI_ABORT 1
64# else
65#  define CPU_ABORT_HANDLER v4t_late_abort
66# endif
67#endif
68
69#ifdef CONFIG_CPU_ABRT_EV4
70# ifdef CPU_ABORT_HANDLER
71#  define MULTI_ABORT 1
72# else
73#  define CPU_ABORT_HANDLER v4_early_abort
74# endif
75#endif
76
77#ifdef CONFIG_CPU_ABRT_EV4T
78# ifdef CPU_ABORT_HANDLER
79#  define MULTI_ABORT 1
80# else
81#  define CPU_ABORT_HANDLER v4t_early_abort
82# endif
83#endif
84
85#ifdef CONFIG_CPU_ABRT_EV5TJ
86# ifdef CPU_ABORT_HANDLER
87#  define MULTI_ABORT 1
88# else
89#  define CPU_ABORT_HANDLER v5tj_early_abort
90# endif
91#endif
92
93#ifdef CONFIG_CPU_ABRT_EV5T
94# ifdef CPU_ABORT_HANDLER
95#  define MULTI_ABORT 1
96# else
97#  define CPU_ABORT_HANDLER v5t_early_abort
98# endif
99#endif
100
101#ifdef CONFIG_CPU_ABRT_EV6
102# ifdef CPU_ABORT_HANDLER
103#  define MULTI_ABORT 1
104# else
105#  define CPU_ABORT_HANDLER v6_early_abort
106# endif
107#endif
108
109#ifndef CPU_ABORT_HANDLER
110#error Unknown data abort handler type
111#endif
112
113#endif
114