1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
#ifndef __ASM_ARM_SYSTEM_H
#define __ASM_ARM_SYSTEM_H
#include <linux/kernel.h>
#ifdef __KERNEL__
#include <linux/config.h>
#define __ebsa285_data __attribute__((__section__(".data.ebsa285")))
#define __netwinder_data __attribute__((__section__(".data.netwinder")))
#ifdef CONFIG_TEXT_SECTIONS
#define __ebsa285_text __attribute__((__section__(".text.ebsa285")))
#define __netwinder_text __attribute__((__section__(".text.netwinder")))
#else
#define __ebsa285_text
#define __netwinder_text
#endif
/* The type of machine we're running on */
extern unsigned int __machine_arch_type;
#define MACH_TYPE_EBSA110 0
#define MACH_TYPE_RISCPC 1
#define MACH_TYPE_NEXUSPCI 3
#define MACH_TYPE_EBSA285 4
#define MACH_TYPE_NETWINDER 5
#define MACH_TYPE_CATS 6
#define MACH_TYPE_TBOX 7
#define MACH_TYPE_CO285 8
#define MACH_TYPE_CLPS7110 9
#define MACH_TYPE_ARCHIMEDES 10
#define MACH_TYPE_A5K 11
/*
* Sort out a definition for machine_arch_type
* The rules are:
* 1. If one architecture is selected, then all machine_is_xxx()
* are constant.
* 2. If two or more architectures are selected, then the selected
* machine_is_xxx() are variable, and the unselected machine_is_xxx()
* are constant zero.
*/
#ifdef CONFIG_ARCH_EBSA110
# ifdef machine_arch_type
# undef machine_arch_type
# define machine_arch_type __machine_arch_type
# else
# define machine_arch_type MACH_TYPE_EBSA110
# endif
# define machine_is_ebsa110() (machine_arch_type == MACH_TYPE_EBSA110)
#else
# define machine_is_ebsa110() (0)
#endif
#ifdef CONFIG_ARCH_RPC
# ifdef machine_arch_type
# undef machine_arch_type
# define machine_arch_type __machine_arch_type
# else
# define machine_arch_type MACH_TYPE_RISCPC
# endif
# define machine_is_riscpc() (machine_arch_type == MACH_TYPE_RISCPC)
#else
# define machine_is_riscpc() (0)
#endif
#ifdef CONFIG_ARCH_EBSA285
# ifdef machine_arch_type
# undef machine_arch_type
# define machine_arch_type __machine_arch_type
# else
# define machine_arch_type MACH_TYPE_EBSA285
# endif
# define machine_is_ebsa285() (machine_arch_type == MACH_TYPE_EBSA285)
#else
# define machine_is_ebsa285() (0)
#endif
#ifdef CONFIG_ARCH_NETWINDER
# ifdef machine_arch_type
# undef machine_arch_type
# define machine_arch_type __machine_arch_type
# else
# define machine_arch_type MACH_TYPE_NETWINDER
# endif
# define machine_is_netwinder() (machine_arch_type == MACH_TYPE_NETWINDER)
#else
# define machine_is_netwinder() (0)
#endif
#ifdef CONFIG_CATS
# ifdef machine_arch_type
# undef machine_arch_type
# define machine_arch_type __machine_arch_type
# else
# define machine_arch_type MACH_TYPE_CATS
# endif
# define machine_is_cats() (machine_arch_type == MACH_TYPE_CATS)
#else
# define machine_is_cats() (0)
#endif
#ifdef CONFIG_ARCH_CO285
# ifdef machine_arch_type
# undef machine_arch_type
# define machine_arch_type __machine_arch_type
# else
# define machine_arch_type MACH_TYPE_CO285
# endif
# define machine_is_co285() (machine_arch_type == MACH_TYPE_CO285)
#else
# define machine_is_co285() (0)
#endif
#ifndef machine_arch_type
#define machine_arch_type __machine_arch_type
#endif
#include <asm/proc-fns.h>
#define xchg(ptr,x) \
((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
#define tas(ptr) (xchg((ptr),1))
extern void arm_malalignedptr(const char *, void *, volatile void *);
extern void arm_invalidptr(const char *, int);
extern asmlinkage void __backtrace(void);
/*
* Include processor dependent parts
*/
#include <asm/proc/system.h>
#include <asm/arch/system.h>
#define mb() __asm__ __volatile__ ("" : : : "memory")
#define rmb() mb()
#define wmb() mb()
#define nop() __asm__ __volatile__("mov\tr0,r0\t@ nop\n\t");
/*
* switch_to(prev, next) should switch from task `prev' to `next'
* `prev' will never be the same as `next'.
* The `mb' is to tell GCC not to cache `current' across this call.
*/
#define switch_to(prev,next,last) \
do { \
last = processor._switch_to(prev,next); \
mb(); \
} while (0)
#endif
#endif
|
