diff options
Diffstat (limited to 'include/asm-arm/processor.h')
-rw-r--r-- | include/asm-arm/processor.h | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/include/asm-arm/processor.h b/include/asm-arm/processor.h deleted file mode 100644 index bd8029e8dc67..000000000000 --- a/include/asm-arm/processor.h +++ /dev/null | |||
@@ -1,131 +0,0 @@ | |||
1 | /* | ||
2 | * linux/include/asm-arm/processor.h | ||
3 | * | ||
4 | * Copyright (C) 1995-1999 Russell King | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License version 2 as | ||
8 | * published by the Free Software Foundation. | ||
9 | */ | ||
10 | |||
11 | #ifndef __ASM_ARM_PROCESSOR_H | ||
12 | #define __ASM_ARM_PROCESSOR_H | ||
13 | |||
14 | /* | ||
15 | * Default implementation of macro that returns current | ||
16 | * instruction pointer ("program counter"). | ||
17 | */ | ||
18 | #define current_text_addr() ({ __label__ _l; _l: &&_l;}) | ||
19 | |||
20 | #ifdef __KERNEL__ | ||
21 | |||
22 | #include <asm/ptrace.h> | ||
23 | #include <asm/types.h> | ||
24 | |||
25 | #ifdef __KERNEL__ | ||
26 | #define STACK_TOP ((current->personality == PER_LINUX_32BIT) ? \ | ||
27 | TASK_SIZE : TASK_SIZE_26) | ||
28 | #define STACK_TOP_MAX TASK_SIZE | ||
29 | #endif | ||
30 | |||
31 | union debug_insn { | ||
32 | u32 arm; | ||
33 | u16 thumb; | ||
34 | }; | ||
35 | |||
36 | struct debug_entry { | ||
37 | u32 address; | ||
38 | union debug_insn insn; | ||
39 | }; | ||
40 | |||
41 | struct debug_info { | ||
42 | int nsaved; | ||
43 | struct debug_entry bp[2]; | ||
44 | }; | ||
45 | |||
46 | struct thread_struct { | ||
47 | /* fault info */ | ||
48 | unsigned long address; | ||
49 | unsigned long trap_no; | ||
50 | unsigned long error_code; | ||
51 | /* debugging */ | ||
52 | struct debug_info debug; | ||
53 | }; | ||
54 | |||
55 | #define INIT_THREAD { } | ||
56 | |||
57 | #ifdef CONFIG_MMU | ||
58 | #define nommu_start_thread(regs) do { } while (0) | ||
59 | #else | ||
60 | #define nommu_start_thread(regs) regs->ARM_r10 = current->mm->start_data | ||
61 | #endif | ||
62 | |||
63 | #define start_thread(regs,pc,sp) \ | ||
64 | ({ \ | ||
65 | unsigned long *stack = (unsigned long *)sp; \ | ||
66 | set_fs(USER_DS); \ | ||
67 | memzero(regs->uregs, sizeof(regs->uregs)); \ | ||
68 | if (current->personality & ADDR_LIMIT_32BIT) \ | ||
69 | regs->ARM_cpsr = USR_MODE; \ | ||
70 | else \ | ||
71 | regs->ARM_cpsr = USR26_MODE; \ | ||
72 | if (elf_hwcap & HWCAP_THUMB && pc & 1) \ | ||
73 | regs->ARM_cpsr |= PSR_T_BIT; \ | ||
74 | regs->ARM_pc = pc & ~1; /* pc */ \ | ||
75 | regs->ARM_sp = sp; /* sp */ \ | ||
76 | regs->ARM_r2 = stack[2]; /* r2 (envp) */ \ | ||
77 | regs->ARM_r1 = stack[1]; /* r1 (argv) */ \ | ||
78 | regs->ARM_r0 = stack[0]; /* r0 (argc) */ \ | ||
79 | nommu_start_thread(regs); \ | ||
80 | }) | ||
81 | |||
82 | /* Forward declaration, a strange C thing */ | ||
83 | struct task_struct; | ||
84 | |||
85 | /* Free all resources held by a thread. */ | ||
86 | extern void release_thread(struct task_struct *); | ||
87 | |||
88 | /* Prepare to copy thread state - unlazy all lazy status */ | ||
89 | #define prepare_to_copy(tsk) do { } while (0) | ||
90 | |||
91 | unsigned long get_wchan(struct task_struct *p); | ||
92 | |||
93 | #define cpu_relax() barrier() | ||
94 | |||
95 | /* | ||
96 | * Create a new kernel thread | ||
97 | */ | ||
98 | extern int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags); | ||
99 | |||
100 | #define task_pt_regs(p) \ | ||
101 | ((struct pt_regs *)(THREAD_START_SP + task_stack_page(p)) - 1) | ||
102 | |||
103 | #define KSTK_EIP(tsk) task_pt_regs(tsk)->ARM_pc | ||
104 | #define KSTK_ESP(tsk) task_pt_regs(tsk)->ARM_sp | ||
105 | |||
106 | /* | ||
107 | * Prefetching support - only ARMv5. | ||
108 | */ | ||
109 | #if __LINUX_ARM_ARCH__ >= 5 | ||
110 | |||
111 | #define ARCH_HAS_PREFETCH | ||
112 | static inline void prefetch(const void *ptr) | ||
113 | { | ||
114 | __asm__ __volatile__( | ||
115 | "pld\t%0" | ||
116 | : | ||
117 | : "o" (*(char *)ptr) | ||
118 | : "cc"); | ||
119 | } | ||
120 | |||
121 | #define ARCH_HAS_PREFETCHW | ||
122 | #define prefetchw(ptr) prefetch(ptr) | ||
123 | |||
124 | #define ARCH_HAS_SPINLOCK_PREFETCH | ||
125 | #define spin_lock_prefetch(x) do { } while (0) | ||
126 | |||
127 | #endif | ||
128 | |||
129 | #endif | ||
130 | |||
131 | #endif /* __ASM_ARM_PROCESSOR_H */ | ||