diff options
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 | ||