diff options
author | Greg Ungerer <gerg@uclinux.org> | 2008-07-31 00:38:07 -0400 |
---|---|---|
committer | Greg Ungerer <gerg@uclinux.org> | 2008-08-07 01:36:16 -0400 |
commit | 58750139001bae11a1f9b074f3a9c774fecf5ba8 (patch) | |
tree | ecdafd4d8c3d2ef2cee7e512b7310552863a617c /include/asm-m68knommu/processor.h | |
parent | 685d87f7ccc649ab92b55e18e507a65d0e694eb9 (diff) |
Move all of include/asm-m68knommu to arch/m68knommu/include/asm.
With the current kbuild infrastructure in place no other changes
are required for this to work.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Diffstat (limited to 'include/asm-m68knommu/processor.h')
-rw-r--r-- | include/asm-m68knommu/processor.h | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/include/asm-m68knommu/processor.h b/include/asm-m68knommu/processor.h deleted file mode 100644 index 91cba18acdd3..000000000000 --- a/include/asm-m68knommu/processor.h +++ /dev/null | |||
@@ -1,143 +0,0 @@ | |||
1 | /* | ||
2 | * include/asm-m68knommu/processor.h | ||
3 | * | ||
4 | * Copyright (C) 1995 Hamish Macdonald | ||
5 | */ | ||
6 | |||
7 | #ifndef __ASM_M68K_PROCESSOR_H | ||
8 | #define __ASM_M68K_PROCESSOR_H | ||
9 | |||
10 | /* | ||
11 | * Default implementation of macro that returns current | ||
12 | * instruction pointer ("program counter"). | ||
13 | */ | ||
14 | #define current_text_addr() ({ __label__ _l; _l: &&_l;}) | ||
15 | |||
16 | #include <linux/compiler.h> | ||
17 | #include <linux/threads.h> | ||
18 | #include <asm/types.h> | ||
19 | #include <asm/segment.h> | ||
20 | #include <asm/fpu.h> | ||
21 | #include <asm/ptrace.h> | ||
22 | #include <asm/current.h> | ||
23 | |||
24 | static inline unsigned long rdusp(void) | ||
25 | { | ||
26 | #ifdef CONFIG_COLDFIRE | ||
27 | extern unsigned int sw_usp; | ||
28 | return(sw_usp); | ||
29 | #else | ||
30 | unsigned long usp; | ||
31 | __asm__ __volatile__("move %/usp,%0" : "=a" (usp)); | ||
32 | return usp; | ||
33 | #endif | ||
34 | } | ||
35 | |||
36 | static inline void wrusp(unsigned long usp) | ||
37 | { | ||
38 | #ifdef CONFIG_COLDFIRE | ||
39 | extern unsigned int sw_usp; | ||
40 | sw_usp = usp; | ||
41 | #else | ||
42 | __asm__ __volatile__("move %0,%/usp" : : "a" (usp)); | ||
43 | #endif | ||
44 | } | ||
45 | |||
46 | /* | ||
47 | * User space process size: 3.75GB. This is hardcoded into a few places, | ||
48 | * so don't change it unless you know what you are doing. | ||
49 | */ | ||
50 | #define TASK_SIZE (0xF0000000UL) | ||
51 | |||
52 | /* | ||
53 | * This decides where the kernel will search for a free chunk of vm | ||
54 | * space during mmap's. We won't be using it | ||
55 | */ | ||
56 | #define TASK_UNMAPPED_BASE 0 | ||
57 | |||
58 | /* | ||
59 | * if you change this structure, you must change the code and offsets | ||
60 | * in m68k/machasm.S | ||
61 | */ | ||
62 | |||
63 | struct thread_struct { | ||
64 | unsigned long ksp; /* kernel stack pointer */ | ||
65 | unsigned long usp; /* user stack pointer */ | ||
66 | unsigned short sr; /* saved status register */ | ||
67 | unsigned short fs; /* saved fs (sfc, dfc) */ | ||
68 | unsigned long crp[2]; /* cpu root pointer */ | ||
69 | unsigned long esp0; /* points to SR of stack frame */ | ||
70 | unsigned long fp[8*3]; | ||
71 | unsigned long fpcntl[3]; /* fp control regs */ | ||
72 | unsigned char fpstate[FPSTATESIZE]; /* floating point state */ | ||
73 | }; | ||
74 | |||
75 | #define INIT_THREAD { \ | ||
76 | sizeof(init_stack) + (unsigned long) init_stack, 0, \ | ||
77 | PS_S, __KERNEL_DS, \ | ||
78 | {0, 0}, 0, {0,}, {0, 0, 0}, {0,}, \ | ||
79 | } | ||
80 | |||
81 | /* | ||
82 | * Coldfire stacks need to be re-aligned on trap exit, conventional | ||
83 | * 68k can handle this case cleanly. | ||
84 | */ | ||
85 | #if defined(CONFIG_COLDFIRE) | ||
86 | #define reformat(_regs) do { (_regs)->format = 0x4; } while(0) | ||
87 | #else | ||
88 | #define reformat(_regs) do { } while (0) | ||
89 | #endif | ||
90 | |||
91 | /* | ||
92 | * Do necessary setup to start up a newly executed thread. | ||
93 | * | ||
94 | * pass the data segment into user programs if it exists, | ||
95 | * it can't hurt anything as far as I can tell | ||
96 | */ | ||
97 | #define start_thread(_regs, _pc, _usp) \ | ||
98 | do { \ | ||
99 | set_fs(USER_DS); /* reads from user space */ \ | ||
100 | (_regs)->pc = (_pc); \ | ||
101 | ((struct switch_stack *)(_regs))[-1].a6 = 0; \ | ||
102 | reformat(_regs); \ | ||
103 | if (current->mm) \ | ||
104 | (_regs)->d5 = current->mm->start_data; \ | ||
105 | (_regs)->sr &= ~0x2000; \ | ||
106 | wrusp(_usp); \ | ||
107 | } while(0) | ||
108 | |||
109 | /* Forward declaration, a strange C thing */ | ||
110 | struct task_struct; | ||
111 | |||
112 | /* Free all resources held by a thread. */ | ||
113 | static inline void release_thread(struct task_struct *dead_task) | ||
114 | { | ||
115 | } | ||
116 | |||
117 | /* Prepare to copy thread state - unlazy all lazy status */ | ||
118 | #define prepare_to_copy(tsk) do { } while (0) | ||
119 | |||
120 | extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags); | ||
121 | |||
122 | /* | ||
123 | * Free current thread data structures etc.. | ||
124 | */ | ||
125 | static inline void exit_thread(void) | ||
126 | { | ||
127 | } | ||
128 | |||
129 | unsigned long thread_saved_pc(struct task_struct *tsk); | ||
130 | unsigned long get_wchan(struct task_struct *p); | ||
131 | |||
132 | #define KSTK_EIP(tsk) \ | ||
133 | ({ \ | ||
134 | unsigned long eip = 0; \ | ||
135 | if ((tsk)->thread.esp0 > PAGE_SIZE && \ | ||
136 | (virt_addr_valid((tsk)->thread.esp0))) \ | ||
137 | eip = ((struct pt_regs *) (tsk)->thread.esp0)->pc; \ | ||
138 | eip; }) | ||
139 | #define KSTK_ESP(tsk) ((tsk) == current ? rdusp() : (tsk)->thread.usp) | ||
140 | |||
141 | #define cpu_relax() barrier() | ||
142 | |||
143 | #endif | ||