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Diffstat (limited to 'arch/m32r/lib/getuser.S')
-rw-r--r-- | arch/m32r/lib/getuser.S | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/arch/m32r/lib/getuser.S b/arch/m32r/lib/getuser.S deleted file mode 100644 index 58a0db055c5c..000000000000 --- a/arch/m32r/lib/getuser.S +++ /dev/null | |||
@@ -1,88 +0,0 @@ | |||
1 | /* | ||
2 | * __get_user functions. | ||
3 | * | ||
4 | * (C) Copyright 2001 Hirokazu Takata | ||
5 | * | ||
6 | * These functions have a non-standard call interface | ||
7 | * to make them more efficient, especially as they | ||
8 | * return an error value in addition to the "real" | ||
9 | * return value. | ||
10 | */ | ||
11 | |||
12 | #include <linux/config.h> | ||
13 | |||
14 | /* | ||
15 | * __get_user_X | ||
16 | * | ||
17 | * Inputs: r0 contains the address | ||
18 | * | ||
19 | * Outputs: r0 is error code (0 or -EFAULT) | ||
20 | * r1 contains zero-extended value | ||
21 | * | ||
22 | * These functions should not modify any other registers, | ||
23 | * as they get called from within inline assembly. | ||
24 | */ | ||
25 | |||
26 | #ifdef CONFIG_ISA_DUAL_ISSUE | ||
27 | |||
28 | .text | ||
29 | .balign 4 | ||
30 | .globl __get_user_1 | ||
31 | __get_user_1: | ||
32 | 1: ldub r1, @r0 || ldi r0, #0 | ||
33 | jmp r14 | ||
34 | |||
35 | .balign 4 | ||
36 | .globl __get_user_2 | ||
37 | __get_user_2: | ||
38 | 2: lduh r1, @r0 || ldi r0, #0 | ||
39 | jmp r14 | ||
40 | |||
41 | .balign 4 | ||
42 | .globl __get_user_4 | ||
43 | __get_user_4: | ||
44 | 3: ld r1, @r0 || ldi r0, #0 | ||
45 | jmp r14 | ||
46 | |||
47 | bad_get_user: | ||
48 | ldi r1, #0 || ldi r0, #-14 | ||
49 | jmp r14 | ||
50 | |||
51 | #else /* not CONFIG_ISA_DUAL_ISSUE */ | ||
52 | |||
53 | .text | ||
54 | .balign 4 | ||
55 | .globl __get_user_1 | ||
56 | __get_user_1: | ||
57 | 1: ldub r1, @r0 | ||
58 | ldi r0, #0 | ||
59 | jmp r14 | ||
60 | |||
61 | .balign 4 | ||
62 | .globl __get_user_2 | ||
63 | __get_user_2: | ||
64 | 2: lduh r1, @r0 | ||
65 | ldi r0, #0 | ||
66 | jmp r14 | ||
67 | |||
68 | .balign 4 | ||
69 | .globl __get_user_4 | ||
70 | __get_user_4: | ||
71 | 3: ld r1, @r0 | ||
72 | ldi r0, #0 | ||
73 | jmp r14 | ||
74 | |||
75 | bad_get_user: | ||
76 | ldi r1, #0 | ||
77 | ldi r0, #-14 | ||
78 | jmp r14 | ||
79 | |||
80 | #endif /* not CONFIG_ISA_DUAL_ISSUE */ | ||
81 | |||
82 | .section __ex_table,"a" | ||
83 | .long 1b,bad_get_user | ||
84 | .long 2b,bad_get_user | ||
85 | .long 3b,bad_get_user | ||
86 | .previous | ||
87 | |||
88 | .end | ||