diff options
Diffstat (limited to 'arch/arm/src/atomics.s')
-rw-r--r-- | arch/arm/src/atomics.s | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/arch/arm/src/atomics.s b/arch/arm/src/atomics.s deleted file mode 100644 index 5c5b0e3e..00000000 --- a/arch/arm/src/atomics.s +++ /dev/null @@ -1,111 +0,0 @@ -.syntax unified -.text - -.global __a_barrier -.hidden __a_barrier -.type __a_barrier,%function -__a_barrier: - ldr ip,1f - ldr ip,[pc,ip] - add pc,pc,ip -1: .word __a_barrier_ptr-1b -.global __a_barrier_dummy -.hidden __a_barrier_dummy -__a_barrier_dummy: - bx lr -.global __a_barrier_oldkuser -.hidden __a_barrier_oldkuser -__a_barrier_oldkuser: - push {r0,r1,r2,r3,ip,lr} - mov r1,r0 - mov r2,sp - ldr ip,=0xffff0fc0 - mov lr,pc - mov pc,ip - pop {r0,r1,r2,r3,ip,lr} - bx lr -.global __a_barrier_v6 -.hidden __a_barrier_v6 -__a_barrier_v6: - mcr p15,0,r0,c7,c10,5 - bx lr -.global __a_barrier_v7 -.hidden __a_barrier_v7 -__a_barrier_v7: - .word 0xf57ff05b /* dmb ish */ - bx lr - -.global __a_cas -.hidden __a_cas -.type __a_cas,%function -__a_cas: - ldr ip,1f - ldr ip,[pc,ip] - add pc,pc,ip -1: .word __a_cas_ptr-1b -.global __a_cas_dummy -.hidden __a_cas_dummy -__a_cas_dummy: - mov r3,r0 - ldr r0,[r2] - subs r0,r3,r0 - streq r1,[r2] - bx lr -.global __a_cas_v6 -.hidden __a_cas_v6 -__a_cas_v6: - mov r3,r0 - mcr p15,0,r0,c7,c10,5 -1: .word 0xe1920f9f /* ldrex r0,[r2] */ - subs r0,r3,r0 - .word 0x01820f91 /* strexeq r0,r1,[r2] */ - teqeq r0,#1 - beq 1b - mcr p15,0,r0,c7,c10,5 - bx lr -.global __a_cas_v7 -.hidden __a_cas_v7 -__a_cas_v7: - mov r3,r0 - .word 0xf57ff05b /* dmb ish */ -1: .word 0xe1920f9f /* ldrex r0,[r2] */ - subs r0,r3,r0 - .word 0x01820f91 /* strexeq r0,r1,[r2] */ - teqeq r0,#1 - beq 1b - .word 0xf57ff05b /* dmb ish */ - bx lr - -.global __aeabi_read_tp -.type __aeabi_read_tp,%function -__aeabi_read_tp: - -.global __a_gettp -.hidden __a_gettp -.type __a_gettp,%function -__a_gettp: - ldr r0,1f - ldr r0,[pc,r0] - add pc,pc,r0 -1: .word __a_gettp_ptr-1b -.global __a_gettp_dummy -.hidden __a_gettp_dummy -__a_gettp_dummy: - mrc p15,0,r0,c13,c0,3 - bx lr - -.data -.global __a_barrier_ptr -.hidden __a_barrier_ptr -__a_barrier_ptr: - .word 0 - -.global __a_cas_ptr -.hidden __a_cas_ptr -__a_cas_ptr: - .word 0 - -.global __a_gettp_ptr -.hidden __a_gettp_ptr -__a_gettp_ptr: - .word 0 |