diff options
Diffstat (limited to 'arch/arm/lib/getuser.S')
-rw-r--r-- | arch/arm/lib/getuser.S | 38 |
1 files changed, 36 insertions, 2 deletions
diff --git a/arch/arm/lib/getuser.S b/arch/arm/lib/getuser.S index 938600098b88..8ecfd15c3a02 100644 --- a/arch/arm/lib/getuser.S +++ b/arch/arm/lib/getuser.S | |||
@@ -80,7 +80,7 @@ ENTRY(__get_user_8) | |||
80 | ENDPROC(__get_user_8) | 80 | ENDPROC(__get_user_8) |
81 | 81 | ||
82 | #ifdef __ARMEB__ | 82 | #ifdef __ARMEB__ |
83 | ENTRY(__get_user_lo8) | 83 | ENTRY(__get_user_32t_8) |
84 | check_uaccess r0, 8, r1, r2, __get_user_bad | 84 | check_uaccess r0, 8, r1, r2, __get_user_bad |
85 | #ifdef CONFIG_CPU_USE_DOMAINS | 85 | #ifdef CONFIG_CPU_USE_DOMAINS |
86 | add r0, r0, #4 | 86 | add r0, r0, #4 |
@@ -90,7 +90,37 @@ ENTRY(__get_user_lo8) | |||
90 | #endif | 90 | #endif |
91 | mov r0, #0 | 91 | mov r0, #0 |
92 | ret lr | 92 | ret lr |
93 | ENDPROC(__get_user_lo8) | 93 | ENDPROC(__get_user_32t_8) |
94 | |||
95 | ENTRY(__get_user_64t_1) | ||
96 | check_uaccess r0, 1, r1, r2, __get_user_bad8 | ||
97 | 8: TUSER(ldrb) r3, [r0] | ||
98 | mov r0, #0 | ||
99 | ret lr | ||
100 | ENDPROC(__get_user_64t_1) | ||
101 | |||
102 | ENTRY(__get_user_64t_2) | ||
103 | check_uaccess r0, 2, r1, r2, __get_user_bad8 | ||
104 | #ifdef CONFIG_CPU_USE_DOMAINS | ||
105 | rb .req ip | ||
106 | 9: ldrbt r3, [r0], #1 | ||
107 | 10: ldrbt rb, [r0], #0 | ||
108 | #else | ||
109 | rb .req r0 | ||
110 | 9: ldrb r3, [r0] | ||
111 | 10: ldrb rb, [r0, #1] | ||
112 | #endif | ||
113 | orr r3, rb, r3, lsl #8 | ||
114 | mov r0, #0 | ||
115 | ret lr | ||
116 | ENDPROC(__get_user_64t_2) | ||
117 | |||
118 | ENTRY(__get_user_64t_4) | ||
119 | check_uaccess r0, 4, r1, r2, __get_user_bad8 | ||
120 | 11: TUSER(ldr) r3, [r0] | ||
121 | mov r0, #0 | ||
122 | ret lr | ||
123 | ENDPROC(__get_user_64t_4) | ||
94 | #endif | 124 | #endif |
95 | 125 | ||
96 | __get_user_bad8: | 126 | __get_user_bad8: |
@@ -111,5 +141,9 @@ ENDPROC(__get_user_bad8) | |||
111 | .long 6b, __get_user_bad8 | 141 | .long 6b, __get_user_bad8 |
112 | #ifdef __ARMEB__ | 142 | #ifdef __ARMEB__ |
113 | .long 7b, __get_user_bad | 143 | .long 7b, __get_user_bad |
144 | .long 8b, __get_user_bad8 | ||
145 | .long 9b, __get_user_bad8 | ||
146 | .long 10b, __get_user_bad8 | ||
147 | .long 11b, __get_user_bad8 | ||
114 | #endif | 148 | #endif |
115 | .popsection | 149 | .popsection |