xref: /OK3568_Linux_fs/kernel/arch/arm/include/asm/glue-df.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  *  arch/arm/include/asm/glue-df.h
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  *  Copyright (C) 1997-1999 Russell King
6*4882a593Smuzhiyun  *  Copyright (C) 2000-2002 Deep Blue Solutions Ltd.
7*4882a593Smuzhiyun  */
8*4882a593Smuzhiyun #ifndef ASM_GLUE_DF_H
9*4882a593Smuzhiyun #define ASM_GLUE_DF_H
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #include <asm/glue.h>
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun /*
14*4882a593Smuzhiyun  *	Data Abort Model
15*4882a593Smuzhiyun  *	================
16*4882a593Smuzhiyun  *
17*4882a593Smuzhiyun  *	We have the following to choose from:
18*4882a593Smuzhiyun  *	  arm7		- ARM7 style
19*4882a593Smuzhiyun  *	  v4_early	- ARMv4 without Thumb early abort handler
20*4882a593Smuzhiyun  *	  v4t_late	- ARMv4 with Thumb late abort handler
21*4882a593Smuzhiyun  *	  v4t_early	- ARMv4 with Thumb early abort handler
22*4882a593Smuzhiyun  *	  v5t_early	- ARMv5 with Thumb early abort handler
23*4882a593Smuzhiyun  *	  v5tj_early	- ARMv5 with Thumb and Java early abort handler
24*4882a593Smuzhiyun  *	  xscale	- ARMv5 with Thumb with Xscale extensions
25*4882a593Smuzhiyun  *	  v6_early	- ARMv6 generic early abort handler
26*4882a593Smuzhiyun  *	  v7_early	- ARMv7 generic early abort handler
27*4882a593Smuzhiyun  */
28*4882a593Smuzhiyun #undef CPU_DABORT_HANDLER
29*4882a593Smuzhiyun #undef MULTI_DABORT
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun #ifdef CONFIG_CPU_ABRT_EV4
32*4882a593Smuzhiyun # ifdef CPU_DABORT_HANDLER
33*4882a593Smuzhiyun #  define MULTI_DABORT 1
34*4882a593Smuzhiyun # else
35*4882a593Smuzhiyun #  define CPU_DABORT_HANDLER v4_early_abort
36*4882a593Smuzhiyun # endif
37*4882a593Smuzhiyun #endif
38*4882a593Smuzhiyun 
39*4882a593Smuzhiyun #ifdef CONFIG_CPU_ABRT_LV4T
40*4882a593Smuzhiyun # ifdef CPU_DABORT_HANDLER
41*4882a593Smuzhiyun #  define MULTI_DABORT 1
42*4882a593Smuzhiyun # else
43*4882a593Smuzhiyun #  define CPU_DABORT_HANDLER v4t_late_abort
44*4882a593Smuzhiyun # endif
45*4882a593Smuzhiyun #endif
46*4882a593Smuzhiyun 
47*4882a593Smuzhiyun #ifdef CONFIG_CPU_ABRT_EV4T
48*4882a593Smuzhiyun # ifdef CPU_DABORT_HANDLER
49*4882a593Smuzhiyun #  define MULTI_DABORT 1
50*4882a593Smuzhiyun # else
51*4882a593Smuzhiyun #  define CPU_DABORT_HANDLER v4t_early_abort
52*4882a593Smuzhiyun # endif
53*4882a593Smuzhiyun #endif
54*4882a593Smuzhiyun 
55*4882a593Smuzhiyun #ifdef CONFIG_CPU_ABRT_EV5T
56*4882a593Smuzhiyun # ifdef CPU_DABORT_HANDLER
57*4882a593Smuzhiyun #  define MULTI_DABORT 1
58*4882a593Smuzhiyun # else
59*4882a593Smuzhiyun #  define CPU_DABORT_HANDLER v5t_early_abort
60*4882a593Smuzhiyun # endif
61*4882a593Smuzhiyun #endif
62*4882a593Smuzhiyun 
63*4882a593Smuzhiyun #ifdef CONFIG_CPU_ABRT_EV5TJ
64*4882a593Smuzhiyun # ifdef CPU_DABORT_HANDLER
65*4882a593Smuzhiyun #  define MULTI_DABORT 1
66*4882a593Smuzhiyun # else
67*4882a593Smuzhiyun #  define CPU_DABORT_HANDLER v5tj_early_abort
68*4882a593Smuzhiyun # endif
69*4882a593Smuzhiyun #endif
70*4882a593Smuzhiyun 
71*4882a593Smuzhiyun #ifdef CONFIG_CPU_ABRT_EV6
72*4882a593Smuzhiyun # ifdef CPU_DABORT_HANDLER
73*4882a593Smuzhiyun #  define MULTI_DABORT 1
74*4882a593Smuzhiyun # else
75*4882a593Smuzhiyun #  define CPU_DABORT_HANDLER v6_early_abort
76*4882a593Smuzhiyun # endif
77*4882a593Smuzhiyun #endif
78*4882a593Smuzhiyun 
79*4882a593Smuzhiyun #ifdef CONFIG_CPU_ABRT_EV7
80*4882a593Smuzhiyun # ifdef CPU_DABORT_HANDLER
81*4882a593Smuzhiyun #  define MULTI_DABORT 1
82*4882a593Smuzhiyun # else
83*4882a593Smuzhiyun #  define CPU_DABORT_HANDLER v7_early_abort
84*4882a593Smuzhiyun # endif
85*4882a593Smuzhiyun #endif
86*4882a593Smuzhiyun 
87*4882a593Smuzhiyun #ifdef CONFIG_CPU_ABRT_NOMMU
88*4882a593Smuzhiyun # ifdef CPU_DABORT_HANDLER
89*4882a593Smuzhiyun #  define MULTI_DABORT 1
90*4882a593Smuzhiyun # else
91*4882a593Smuzhiyun #  define CPU_DABORT_HANDLER nommu_early_abort
92*4882a593Smuzhiyun # endif
93*4882a593Smuzhiyun #endif
94*4882a593Smuzhiyun 
95*4882a593Smuzhiyun #ifndef CPU_DABORT_HANDLER
96*4882a593Smuzhiyun #error Unknown data abort handler type
97*4882a593Smuzhiyun #endif
98*4882a593Smuzhiyun 
99*4882a593Smuzhiyun #endif
100