Last change
on this file since 352 was 352, checked in by coas-nagasima, 6 years ago |
arm向けASP3版ECNLを追加
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[352] | 1 | .syntax unified
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| 2 | .text
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| 3 |
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| 4 | .global __a_barrier_dummy
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| 5 | .hidden __a_barrier_dummy
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| 6 | .type __a_barrier_dummy,%function
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| 7 | __a_barrier_dummy:
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| 8 | bx lr
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| 9 |
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| 10 | .global __a_barrier_oldkuser
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| 11 | .hidden __a_barrier_oldkuser
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| 12 | .type __a_barrier_oldkuser,%function
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| 13 | __a_barrier_oldkuser:
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| 14 | push {r0,r1,r2,r3,ip,lr}
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| 15 | mov r1,r0
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| 16 | mov r2,sp
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| 17 | ldr ip,=0xffff0fc0
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| 18 | mov lr,pc
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| 19 | mov pc,ip
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| 20 | pop {r0,r1,r2,r3,ip,lr}
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| 21 | bx lr
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| 22 |
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| 23 | .global __a_barrier_v6
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| 24 | .hidden __a_barrier_v6
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| 25 | .type __a_barrier_v6,%function
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| 26 | __a_barrier_v6:
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| 27 | .arch armv6t2
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| 28 | mcr p15,0,r0,c7,c10,5
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| 29 | bx lr
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| 30 |
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| 31 | .global __a_barrier_v7
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| 32 | .hidden __a_barrier_v7
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| 33 | .type __a_barrier_v7,%function
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| 34 | __a_barrier_v7:
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| 35 | .arch armv7-a
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| 36 | dmb ish
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| 37 | bx lr
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| 38 |
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| 39 | .global __a_cas_dummy
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| 40 | .hidden __a_cas_dummy
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| 41 | .type __a_cas_dummy,%function
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| 42 | __a_cas_dummy:
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| 43 | mov r3,r0
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| 44 | ldr r0,[r2]
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| 45 | subs r0,r3,r0
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| 46 | streq r1,[r2]
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| 47 | bx lr
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| 48 |
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| 49 | .global __a_cas_v6
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| 50 | .hidden __a_cas_v6
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| 51 | .type __a_cas_v6,%function
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| 52 | __a_cas_v6:
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| 53 | .arch armv6t2
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| 54 | mov r3,r0
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| 55 | mcr p15,0,r0,c7,c10,5
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| 56 | 1: ldrex r0,[r2]
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| 57 | subs r0,r3,r0
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| 58 | strexeq r0,r1,[r2]
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| 59 | teqeq r0,#1
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| 60 | beq 1b
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| 61 | mcr p15,0,r0,c7,c10,5
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| 62 | bx lr
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| 63 |
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| 64 | .global __a_cas_v7
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| 65 | .hidden __a_cas_v7
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| 66 | .type __a_cas_v7,%function
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| 67 | __a_cas_v7:
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| 68 | .arch armv7-a
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| 69 | mov r3,r0
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| 70 | dmb ish
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| 71 | 1: ldrex r0,[r2]
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| 72 | subs r0,r3,r0
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| 73 | strexeq r0,r1,[r2]
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| 74 | teqeq r0,#1
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| 75 | beq 1b
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| 76 | dmb ish
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| 77 | bx lr
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| 78 |
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| 79 | .global __a_gettp_cp15
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| 80 | .hidden __a_gettp_cp15
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| 81 | .type __a_gettp_cp15,%function
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| 82 | __a_gettp_cp15:
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| 83 | mrc p15,0,r0,c13,c0,3
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| 84 | bx lr
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| 85 |
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| 86 | /* Tag this file with minimum ISA level so as not to affect linking. */
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| 87 | .object_arch armv4t
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| 88 | .eabi_attribute 6,2
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| 89 |
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| 90 | .data
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| 91 | .align 2
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| 92 |
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| 93 | .global __a_barrier_ptr
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| 94 | .hidden __a_barrier_ptr
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| 95 | __a_barrier_ptr:
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| 96 | .word __a_barrier_dummy
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| 97 |
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| 98 | .global __a_cas_ptr
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| 99 | .hidden __a_cas_ptr
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| 100 | __a_cas_ptr:
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| 101 | .word __a_cas_dummy
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| 102 |
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| 103 | .global __a_gettp_ptr
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| 104 | .hidden __a_gettp_ptr
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| 105 | __a_gettp_ptr:
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| 106 | .word __a_gettp_cp15
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