diff options
Diffstat (limited to 'arch/arm/lib/csumpartialcopyuser.S')
| -rw-r--r-- | arch/arm/lib/csumpartialcopyuser.S | 48 |
1 files changed, 13 insertions, 35 deletions
diff --git a/arch/arm/lib/csumpartialcopyuser.S b/arch/arm/lib/csumpartialcopyuser.S index 14677fb4b0c4..fd0e9dcd9fdc 100644 --- a/arch/arm/lib/csumpartialcopyuser.S +++ b/arch/arm/lib/csumpartialcopyuser.S | |||
| @@ -26,50 +26,28 @@ | |||
| 26 | .endm | 26 | .endm |
| 27 | 27 | ||
| 28 | .macro load1b, reg1 | 28 | .macro load1b, reg1 |
| 29 | 9999: ldrbt \reg1, [r0], $1 | 29 | ldrusr \reg1, r0, 1 |
| 30 | .section __ex_table, "a" | ||
| 31 | .align 3 | ||
| 32 | .long 9999b, 6001f | ||
| 33 | .previous | ||
| 34 | .endm | 30 | .endm |
| 35 | 31 | ||
| 36 | .macro load2b, reg1, reg2 | 32 | .macro load2b, reg1, reg2 |
| 37 | 9999: ldrbt \reg1, [r0], $1 | 33 | ldrusr \reg1, r0, 1 |
| 38 | 9998: ldrbt \reg2, [r0], $1 | 34 | ldrusr \reg2, r0, 1 |
| 39 | .section __ex_table, "a" | ||
| 40 | .long 9999b, 6001f | ||
| 41 | .long 9998b, 6001f | ||
| 42 | .previous | ||
| 43 | .endm | 35 | .endm |
| 44 | 36 | ||
| 45 | .macro load1l, reg1 | 37 | .macro load1l, reg1 |
| 46 | 9999: ldrt \reg1, [r0], $4 | 38 | ldrusr \reg1, r0, 4 |
| 47 | .section __ex_table, "a" | ||
| 48 | .align 3 | ||
| 49 | .long 9999b, 6001f | ||
| 50 | .previous | ||
| 51 | .endm | 39 | .endm |
| 52 | 40 | ||
| 53 | .macro load2l, reg1, reg2 | 41 | .macro load2l, reg1, reg2 |
| 54 | 9999: ldrt \reg1, [r0], $4 | 42 | ldrusr \reg1, r0, 4 |
| 55 | 9998: ldrt \reg2, [r0], $4 | 43 | ldrusr \reg2, r0, 4 |
| 56 | .section __ex_table, "a" | ||
| 57 | .long 9999b, 6001f | ||
| 58 | .long 9998b, 6001f | ||
| 59 | .previous | ||
| 60 | .endm | 44 | .endm |
| 61 | 45 | ||
| 62 | .macro load4l, reg1, reg2, reg3, reg4 | 46 | .macro load4l, reg1, reg2, reg3, reg4 |
| 63 | 9999: ldrt \reg1, [r0], $4 | 47 | ldrusr \reg1, r0, 4 |
| 64 | 9998: ldrt \reg2, [r0], $4 | 48 | ldrusr \reg2, r0, 4 |
| 65 | 9997: ldrt \reg3, [r0], $4 | 49 | ldrusr \reg3, r0, 4 |
| 66 | 9996: ldrt \reg4, [r0], $4 | 50 | ldrusr \reg4, r0, 4 |
| 67 | .section __ex_table, "a" | ||
| 68 | .long 9999b, 6001f | ||
| 69 | .long 9998b, 6001f | ||
| 70 | .long 9997b, 6001f | ||
| 71 | .long 9996b, 6001f | ||
| 72 | .previous | ||
| 73 | .endm | 51 | .endm |
| 74 | 52 | ||
| 75 | /* | 53 | /* |
| @@ -92,14 +70,14 @@ | |||
| 92 | */ | 70 | */ |
| 93 | .section .fixup,"ax" | 71 | .section .fixup,"ax" |
| 94 | .align 4 | 72 | .align 4 |
| 95 | 6001: mov r4, #-EFAULT | 73 | 9001: mov r4, #-EFAULT |
| 96 | ldr r5, [fp, #4] @ *err_ptr | 74 | ldr r5, [fp, #4] @ *err_ptr |
| 97 | str r4, [r5] | 75 | str r4, [r5] |
| 98 | ldmia sp, {r1, r2} @ retrieve dst, len | 76 | ldmia sp, {r1, r2} @ retrieve dst, len |
| 99 | add r2, r2, r1 | 77 | add r2, r2, r1 |
| 100 | mov r0, #0 @ zero the buffer | 78 | mov r0, #0 @ zero the buffer |
| 101 | 6002: teq r2, r1 | 79 | 9002: teq r2, r1 |
| 102 | strneb r0, [r1], #1 | 80 | strneb r0, [r1], #1 |
| 103 | bne 6002b | 81 | bne 9002b |
| 104 | load_regs | 82 | load_regs |
| 105 | .previous | 83 | .previous |