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Diffstat (limited to 'arch/m32r/lib/putuser.S')
| -rw-r--r-- | arch/m32r/lib/putuser.S | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/arch/m32r/lib/putuser.S b/arch/m32r/lib/putuser.S deleted file mode 100644 index 218154cc3890..000000000000 --- a/arch/m32r/lib/putuser.S +++ /dev/null | |||
| @@ -1,84 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * __put_user functions. | ||
| 3 | * | ||
| 4 | * (C) Copyright 1998 Linus Torvalds | ||
| 5 | * (C) Copyright 2001 Hirokazu Takata | ||
| 6 | * | ||
| 7 | * These functions have a non-standard call interface | ||
| 8 | * to make them more efficient. | ||
| 9 | */ | ||
| 10 | |||
| 11 | #include <linux/config.h> | ||
| 12 | |||
| 13 | /* | ||
| 14 | * __put_user_X | ||
| 15 | * | ||
| 16 | * Inputs: r0 contains the address | ||
| 17 | * r1 contains the value | ||
| 18 | * | ||
| 19 | * Outputs: r0 is error code (0 or -EFAULT) | ||
| 20 | * r1 is corrupted (will contain "current_task"). | ||
| 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 __put_user_1 | ||
| 31 | __put_user_1: | ||
| 32 | 1: stb r1, @r0 || ldi r0, #0 | ||
| 33 | jmp r14 | ||
| 34 | |||
| 35 | .balign 4 | ||
| 36 | .globl __put_user_2 | ||
| 37 | __put_user_2: | ||
| 38 | 2: sth r1, @r0 || ldi r0, #0 | ||
| 39 | jmp r14 | ||
| 40 | |||
| 41 | .balign 4 | ||
| 42 | .globl __put_user_4 | ||
| 43 | __put_user_4: | ||
| 44 | 3: st r1, @r0 || ldi r0, #0 | ||
| 45 | jmp r14 | ||
| 46 | |||
| 47 | bad_put_user: | ||
| 48 | ldi r0, #-14 || jmp r14 | ||
| 49 | |||
| 50 | #else /* not CONFIG_ISA_DUAL_ISSUE */ | ||
| 51 | |||
| 52 | .text | ||
| 53 | .balign 4 | ||
| 54 | .globl __put_user_1 | ||
| 55 | __put_user_1: | ||
| 56 | 1: stb r1, @r0 | ||
| 57 | ldi r0, #0 | ||
| 58 | jmp r14 | ||
| 59 | |||
| 60 | .balign 4 | ||
| 61 | .globl __put_user_2 | ||
| 62 | __put_user_2: | ||
| 63 | 2: sth r1, @r0 | ||
| 64 | ldi r0, #0 | ||
| 65 | jmp r14 | ||
| 66 | |||
| 67 | .balign 4 | ||
| 68 | .globl __put_user_4 | ||
| 69 | __put_user_4: | ||
| 70 | 3: st r1, @r0 | ||
| 71 | ldi r0, #0 | ||
| 72 | jmp r14 | ||
| 73 | |||
| 74 | bad_put_user: | ||
| 75 | ldi r0, #-14 | ||
| 76 | jmp r14 | ||
| 77 | |||
| 78 | #endif /* not CONFIG_ISA_DUAL_ISSUE */ | ||
| 79 | |||
| 80 | .section __ex_table,"a" | ||
| 81 | .long 1b,bad_put_user | ||
| 82 | .long 2b,bad_put_user | ||
| 83 | .long 3b,bad_put_user | ||
| 84 | .previous | ||