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ARM: 7301/1: Rename the T() macro to TUSER() to avoid namespace conflicts

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This macro is used to generate unprivileged accesses (LDRT/STRT) to user
space.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Catalin Marinas
2012-01-25 11:38:13 +01:00
committed by Russell King
parent d68133b5a8
commit 4e7682d077
7 changed files with 79 additions and 79 deletions
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12
arch/arm/lib/getuser.S
View File

@@ -31,18 +31,18 @@
#include <asm/domain.h>
ENTRY(__get_user_1)
1: T(ldrb) r2, [r0]
1: TUSER(ldrb) r2, [r0]
mov r0, #0
mov pc, lr
ENDPROC(__get_user_1)
ENTRY(__get_user_2)
#ifdef CONFIG_THUMB2_KERNEL
2: T(ldrb) r2, [r0]
3: T(ldrb) r3, [r0, #1]
2: TUSER(ldrb) r2, [r0]
3: TUSER(ldrb) r3, [r0, #1]
#else
2: T(ldrb) r2, [r0], #1
3: T(ldrb) r3, [r0]
2: TUSER(ldrb) r2, [r0], #1
3: TUSER(ldrb) r3, [r0]
#endif
#ifndef __ARMEB__
orr r2, r2, r3, lsl #8
@@ -54,7 +54,7 @@ ENTRY(__get_user_2)
ENDPROC(__get_user_2)
ENTRY(__get_user_4)
4: T(ldr) r2, [r0]
4: TUSER(ldr) r2, [r0]
mov r0, #0
mov pc, lr
ENDPROC(__get_user_4)

28
arch/arm/lib/putuser.S
View File

@@ -31,7 +31,7 @@
#include <asm/domain.h>
ENTRY(__put_user_1)
1: T(strb) r2, [r0]
1: TUSER(strb) r2, [r0]
mov r0, #0
mov pc, lr
ENDPROC(__put_user_1)
@@ -40,19 +40,19 @@ ENTRY(__put_user_2)
mov ip, r2, lsr #8
#ifdef CONFIG_THUMB2_KERNEL
#ifndef __ARMEB__
2: T(strb) r2, [r0]
3: T(strb) ip, [r0, #1]
2: TUSER(strb) r2, [r0]
3: TUSER(strb) ip, [r0, #1]
#else
2: T(strb) ip, [r0]
3: T(strb) r2, [r0, #1]
2: TUSER(strb) ip, [r0]
3: TUSER(strb) r2, [r0, #1]
#endif
#else /* !CONFIG_THUMB2_KERNEL */
#ifndef __ARMEB__
2: T(strb) r2, [r0], #1
3: T(strb) ip, [r0]
2: TUSER(strb) r2, [r0], #1
3: TUSER(strb) ip, [r0]
#else
2: T(strb) ip, [r0], #1
3: T(strb) r2, [r0]
2: TUSER(strb) ip, [r0], #1
3: TUSER(strb) r2, [r0]
#endif
#endif /* CONFIG_THUMB2_KERNEL */
mov r0, #0
@@ -60,18 +60,18 @@ ENTRY(__put_user_2)
ENDPROC(__put_user_2)
ENTRY(__put_user_4)
4: T(str) r2, [r0]
4: TUSER(str) r2, [r0]
mov r0, #0
mov pc, lr
ENDPROC(__put_user_4)
ENTRY(__put_user_8)
#ifdef CONFIG_THUMB2_KERNEL
5: T(str) r2, [r0]
6: T(str) r3, [r0, #4]
5: TUSER(str) r2, [r0]
6: TUSER(str) r3, [r0, #4]
#else
5: T(str) r2, [r0], #4
6: T(str) r3, [r0]
5: TUSER(str) r2, [r0], #4
6: TUSER(str) r3, [r0]
#endif
mov r0, #0
mov pc, lr

82
arch/arm/lib/uaccess.S
View File

@@ -32,11 +32,11 @@
rsb ip, ip, #4
cmp ip, #2
ldrb r3, [r1], #1
USER( T(strb) r3, [r0], #1) @ May fault
USER( TUSER( strb) r3, [r0], #1) @ May fault
ldrgeb r3, [r1], #1
USER( T(strgeb) r3, [r0], #1) @ May fault
USER( TUSER( strgeb) r3, [r0], #1) @ May fault
ldrgtb r3, [r1], #1
USER( T(strgtb) r3, [r0], #1) @ May fault
USER( TUSER( strgtb) r3, [r0], #1) @ May fault
sub r2, r2, ip
b .Lc2u_dest_aligned
@@ -59,7 +59,7 @@ ENTRY(__copy_to_user)
addmi ip, r2, #4
bmi .Lc2u_0nowords
ldr r3, [r1], #4
USER( T(str) r3, [r0], #4) @ May fault
USER( TUSER( str) r3, [r0], #4) @ May fault
mov ip, r0, lsl #32 - PAGE_SHIFT @ On each page, use a ld/st??t instruction
rsb ip, ip, #0
movs ip, ip, lsr #32 - PAGE_SHIFT
@@ -88,18 +88,18 @@ USER( T(str) r3, [r0], #4) @ May fault
stmneia r0!, {r3 - r4} @ Shouldnt fault
tst ip, #4
ldrne r3, [r1], #4
T(strne) r3, [r0], #4 @ Shouldnt fault
TUSER( strne) r3, [r0], #4 @ Shouldnt fault
ands ip, ip, #3
beq .Lc2u_0fupi
.Lc2u_0nowords: teq ip, #0
beq .Lc2u_finished
.Lc2u_nowords: cmp ip, #2
ldrb r3, [r1], #1
USER( T(strb) r3, [r0], #1) @ May fault
USER( TUSER( strb) r3, [r0], #1) @ May fault
ldrgeb r3, [r1], #1
USER( T(strgeb) r3, [r0], #1) @ May fault
USER( TUSER( strgeb) r3, [r0], #1) @ May fault
ldrgtb r3, [r1], #1
USER( T(strgtb) r3, [r0], #1) @ May fault
USER( TUSER( strgtb) r3, [r0], #1) @ May fault
b .Lc2u_finished
.Lc2u_not_enough:
@@ -120,7 +120,7 @@ USER( T(strgtb) r3, [r0], #1) @ May fault
mov r3, r7, pull #8
ldr r7, [r1], #4
orr r3, r3, r7, push #24
USER( T(str) r3, [r0], #4) @ May fault
USER( TUSER( str) r3, [r0], #4) @ May fault
mov ip, r0, lsl #32 - PAGE_SHIFT
rsb ip, ip, #0
movs ip, ip, lsr #32 - PAGE_SHIFT
@@ -155,18 +155,18 @@ USER( T(str) r3, [r0], #4) @ May fault
movne r3, r7, pull #8
ldrne r7, [r1], #4
orrne r3, r3, r7, push #24
T(strne) r3, [r0], #4 @ Shouldnt fault
TUSER( strne) r3, [r0], #4 @ Shouldnt fault
ands ip, ip, #3
beq .Lc2u_1fupi
.Lc2u_1nowords: mov r3, r7, get_byte_1
teq ip, #0
beq .Lc2u_finished
cmp ip, #2
USER( T(strb) r3, [r0], #1) @ May fault
USER( TUSER( strb) r3, [r0], #1) @ May fault
movge r3, r7, get_byte_2
USER( T(strgeb) r3, [r0], #1) @ May fault
USER( TUSER( strgeb) r3, [r0], #1) @ May fault
movgt r3, r7, get_byte_3
USER( T(strgtb) r3, [r0], #1) @ May fault
USER( TUSER( strgtb) r3, [r0], #1) @ May fault
b .Lc2u_finished
.Lc2u_2fupi: subs r2, r2, #4
@@ -175,7 +175,7 @@ USER( T(strgtb) r3, [r0], #1) @ May fault
mov r3, r7, pull #16
ldr r7, [r1], #4
orr r3, r3, r7, push #16
USER( T(str) r3, [r0], #4) @ May fault
USER( TUSER( str) r3, [r0], #4) @ May fault
mov ip, r0, lsl #32 - PAGE_SHIFT
rsb ip, ip, #0
movs ip, ip, lsr #32 - PAGE_SHIFT
@@ -210,18 +210,18 @@ USER( T(str) r3, [r0], #4) @ May fault
movne r3, r7, pull #16
ldrne r7, [r1], #4
orrne r3, r3, r7, push #16
T(strne) r3, [r0], #4 @ Shouldnt fault
TUSER( strne) r3, [r0], #4 @ Shouldnt fault
ands ip, ip, #3
beq .Lc2u_2fupi
.Lc2u_2nowords: mov r3, r7, get_byte_2
teq ip, #0
beq .Lc2u_finished
cmp ip, #2
USER( T(strb) r3, [r0], #1) @ May fault
USER( TUSER( strb) r3, [r0], #1) @ May fault
movge r3, r7, get_byte_3
USER( T(strgeb) r3, [r0], #1) @ May fault
USER( TUSER( strgeb) r3, [r0], #1) @ May fault
ldrgtb r3, [r1], #0
USER( T(strgtb) r3, [r0], #1) @ May fault
USER( TUSER( strgtb) r3, [r0], #1) @ May fault
b .Lc2u_finished
.Lc2u_3fupi: subs r2, r2, #4
@@ -230,7 +230,7 @@ USER( T(strgtb) r3, [r0], #1) @ May fault
mov r3, r7, pull #24
ldr r7, [r1], #4
orr r3, r3, r7, push #8
USER( T(str) r3, [r0], #4) @ May fault
USER( TUSER( str) r3, [r0], #4) @ May fault
mov ip, r0, lsl #32 - PAGE_SHIFT
rsb ip, ip, #0
movs ip, ip, lsr #32 - PAGE_SHIFT
@@ -265,18 +265,18 @@ USER( T(str) r3, [r0], #4) @ May fault
movne r3, r7, pull #24
ldrne r7, [r1], #4
orrne r3, r3, r7, push #8
T(strne) r3, [r0], #4 @ Shouldnt fault
TUSER( strne) r3, [r0], #4 @ Shouldnt fault
ands ip, ip, #3
beq .Lc2u_3fupi
.Lc2u_3nowords: mov r3, r7, get_byte_3
teq ip, #0
beq .Lc2u_finished
cmp ip, #2
USER( T(strb) r3, [r0], #1) @ May fault
USER( TUSER( strb) r3, [r0], #1) @ May fault
ldrgeb r3, [r1], #1
USER( T(strgeb) r3, [r0], #1) @ May fault
USER( TUSER( strgeb) r3, [r0], #1) @ May fault
ldrgtb r3, [r1], #0
USER( T(strgtb) r3, [r0], #1) @ May fault
USER( TUSER( strgtb) r3, [r0], #1) @ May fault
b .Lc2u_finished
ENDPROC(__copy_to_user)
@@ -295,11 +295,11 @@ ENDPROC(__copy_to_user)
.Lcfu_dest_not_aligned:
rsb ip, ip, #4
cmp ip, #2
USER( T(ldrb) r3, [r1], #1) @ May fault
USER( TUSER( ldrb) r3, [r1], #1) @ May fault
strb r3, [r0], #1
USER( T(ldrgeb) r3, [r1], #1) @ May fault
USER( TUSER( ldrgeb) r3, [r1], #1) @ May fault
strgeb r3, [r0], #1
USER( T(ldrgtb) r3, [r1], #1) @ May fault
USER( TUSER( ldrgtb) r3, [r1], #1) @ May fault
strgtb r3, [r0], #1
sub r2, r2, ip
b .Lcfu_dest_aligned
@@ -322,7 +322,7 @@ ENTRY(__copy_from_user)
.Lcfu_0fupi: subs r2, r2, #4
addmi ip, r2, #4
bmi .Lcfu_0nowords
USER( T(ldr) r3, [r1], #4)
USER( TUSER( ldr) r3, [r1], #4)
str r3, [r0], #4
mov ip, r1, lsl #32 - PAGE_SHIFT @ On each page, use a ld/st??t instruction
rsb ip, ip, #0
@@ -351,18 +351,18 @@ USER( T(ldr) r3, [r1], #4)
ldmneia r1!, {r3 - r4} @ Shouldnt fault
stmneia r0!, {r3 - r4}
tst ip, #4
T(ldrne) r3, [r1], #4 @ Shouldnt fault
TUSER( ldrne) r3, [r1], #4 @ Shouldnt fault
strne r3, [r0], #4
ands ip, ip, #3
beq .Lcfu_0fupi
.Lcfu_0nowords: teq ip, #0
beq .Lcfu_finished
.Lcfu_nowords: cmp ip, #2
USER( T(ldrb) r3, [r1], #1) @ May fault
USER( TUSER( ldrb) r3, [r1], #1) @ May fault
strb r3, [r0], #1
USER( T(ldrgeb) r3, [r1], #1) @ May fault
USER( TUSER( ldrgeb) r3, [r1], #1) @ May fault
strgeb r3, [r0], #1
USER( T(ldrgtb) r3, [r1], #1) @ May fault
USER( TUSER( ldrgtb) r3, [r1], #1) @ May fault
strgtb r3, [r0], #1
b .Lcfu_finished
@@ -375,7 +375,7 @@ USER( T(ldrgtb) r3, [r1], #1) @ May fault
.Lcfu_src_not_aligned:
bic r1, r1, #3
USER( T(ldr) r7, [r1], #4) @ May fault
USER( TUSER( ldr) r7, [r1], #4) @ May fault
cmp ip, #2
bgt .Lcfu_3fupi
beq .Lcfu_2fupi
@@ -383,7 +383,7 @@ USER( T(ldr) r7, [r1], #4) @ May fault
addmi ip, r2, #4
bmi .Lcfu_1nowords
mov r3, r7, pull #8
USER( T(ldr) r7, [r1], #4) @ May fault
USER( TUSER( ldr) r7, [r1], #4) @ May fault
orr r3, r3, r7, push #24
str r3, [r0], #4
mov ip, r1, lsl #32 - PAGE_SHIFT
@@ -418,7 +418,7 @@ USER( T(ldr) r7, [r1], #4) @ May fault
stmneia r0!, {r3 - r4}
tst ip, #4
movne r3, r7, pull #8
USER( T(ldrne) r7, [r1], #4) @ May fault
USER( TUSER( ldrne) r7, [r1], #4) @ May fault
orrne r3, r3, r7, push #24
strne r3, [r0], #4
ands ip, ip, #3
@@ -438,7 +438,7 @@ USER( T(ldrne) r7, [r1], #4) @ May fault
addmi ip, r2, #4
bmi .Lcfu_2nowords
mov r3, r7, pull #16
USER( T(ldr) r7, [r1], #4) @ May fault
USER( TUSER( ldr) r7, [r1], #4) @ May fault
orr r3, r3, r7, push #16
str r3, [r0], #4
mov ip, r1, lsl #32 - PAGE_SHIFT
@@ -474,7 +474,7 @@ USER( T(ldr) r7, [r1], #4) @ May fault
stmneia r0!, {r3 - r4}
tst ip, #4
movne r3, r7, pull #16
USER( T(ldrne) r7, [r1], #4) @ May fault
USER( TUSER( ldrne) r7, [r1], #4) @ May fault
orrne r3, r3, r7, push #16
strne r3, [r0], #4
ands ip, ip, #3
@@ -486,7 +486,7 @@ USER( T(ldrne) r7, [r1], #4) @ May fault
strb r3, [r0], #1
movge r3, r7, get_byte_3
strgeb r3, [r0], #1
USER( T(ldrgtb) r3, [r1], #0) @ May fault
USER( TUSER( ldrgtb) r3, [r1], #0) @ May fault
strgtb r3, [r0], #1
b .Lcfu_finished
@@ -494,7 +494,7 @@ USER( T(ldrgtb) r3, [r1], #0) @ May fault
addmi ip, r2, #4
bmi .Lcfu_3nowords
mov r3, r7, pull #24
USER( T(ldr) r7, [r1], #4) @ May fault
USER( TUSER( ldr) r7, [r1], #4) @ May fault
orr r3, r3, r7, push #8
str r3, [r0], #4
mov ip, r1, lsl #32 - PAGE_SHIFT
@@ -529,7 +529,7 @@ USER( T(ldr) r7, [r1], #4) @ May fault
stmneia r0!, {r3 - r4}
tst ip, #4
movne r3, r7, pull #24
USER( T(ldrne) r7, [r1], #4) @ May fault
USER( TUSER( ldrne) r7, [r1], #4) @ May fault
orrne r3, r3, r7, push #8
strne r3, [r0], #4
ands ip, ip, #3
@@ -539,9 +539,9 @@ USER( T(ldrne) r7, [r1], #4) @ May fault
beq .Lcfu_finished
cmp ip, #2
strb r3, [r0], #1
USER( T(ldrgeb) r3, [r1], #1) @ May fault
USER( TUSER( ldrgeb) r3, [r1], #1) @ May fault
strgeb r3, [r0], #1
USER( T(ldrgtb) r3, [r1], #1) @ May fault
USER( TUSER( ldrgtb) r3, [r1], #1) @ May fault
strgtb r3, [r0], #1
b .Lcfu_finished
ENDPROC(__copy_from_user)