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START_FILE
TEXT
ALIGN(4)
START_FUNC(opal_atomic_mb)
dmb
bx lr
END_FUNC(opal_atomic_mb)
START_FUNC(opal_atomic_rmb)
dmb
bx lr
END_FUNC(opal_atomic_rmb)
START_FUNC(opal_atomic_wmb)
dmb
bx lr
END_FUNC(opal_atomic_wmb)
START_FUNC(opal_atomic_cmpset_32)
LSYM(1)
ldrex r3, [r0]
cmp r1, r3
bne REFLSYM(2)
strex r12, r2, [r0]
cmp r12, #0
bne REFLSYM(1)
mov r0, #1
LSYM(2)
movne r0, #0
bx lr
END_FUNC(opal_atomic_cmpset_32)
START_FUNC(opal_atomic_cmpset_acq_32)
LSYM(3)
ldrex r3, [r0]
cmp r1, r3
bne REFLSYM(4)
strex r12, r2, [r0]
cmp r12, #0
bne REFLSYM(3)
dmb
mov r0, #1
LSYM(4)
movne r0, #0
bx lr
END_FUNC(opal_atomic_cmpset_acq_32)
START_FUNC(opal_atomic_cmpset_rel_32)
LSYM(5)
ldrex r3, [r0]
cmp r1, r3
bne REFLSYM(6)
dmb
strex r12, r2, [r0]
cmp r12, #0
bne REFLSYM(4)
mov r0, #1
LSYM(6)
movne r0, #0
bx lr
END_FUNC(opal_atomic_cmpset_rel_32)
#START_64BIT
START_FUNC(opal_atomic_cmpset_64)
push {r4-r7}
ldrd r6, r7, [sp, #16]
LSYM(7)
ldrexd r4, r5, [r0]
cmp r4, r2
it eq
cmpeq r5, r3
bne REFLSYM(8)
strexd r1, r6, r7, [r0]
cmp r1, #0
bne REFLSYM(7)
mov r0, #1
LSYM(8)
movne r0, #0
pop {r4-r7}
bx lr
END_FUNC(opal_atomic_cmpset_64)
START_FUNC(opal_atomic_cmpset_acq_64)
push {r4-r7}
ldrd r6, r7, [sp, #16]
LSYM(9)
ldrexd r4, r5, [r0]
cmp r4, r2
it eq
cmpeq r5, r3
bne REFLSYM(10)
strexd r1, r6, r7, [r0]
cmp r1, #0
bne REFLSYM(9)
dmb
mov r0, #1
LSYM(10)
movne r0, #0
pop {r4-r7}
bx lr
END_FUNC(opal_atomic_cmpset_acq_64)
START_FUNC(opal_atomic_cmpset_rel_64)
push {r4-r7}
ldrd r6, r7, [sp, #16]
LSYM(11)
ldrexd r4, r5, [r0]
cmp r4, r2
it eq
cmpeq r5, r3
bne REFLSYM(12)
dmb
strexd r1, r6, r7, [r0]
cmp r1, #0
bne REFLSYM(11)
mov r0, #1
LSYM(12)
movne r0, #0
pop {r4-r7}
bx lr
END_FUNC(opal_atomic_cmpset_rel_64)
#END_64BIT
START_FUNC(opal_atomic_add_32)
LSYM(13)
ldrex r2, [r0]
add r2, r2, r1
strex r3, r2, [r0]
cmp r3, #0
bne REFLSYM(13)
mov r0, r2
bx lr
END_FUNC(opal_atomic_add_32)
START_FUNC(opal_atomic_sub_32)
LSYM(14)
ldrex r2, [r0]
sub r2, r2, r1
strex r3, r2, [r0]
cmp r3, #0
bne REFLSYM(14)
mov r0, r2
bx lr
END_FUNC(opal_atomic_sub_32)
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