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154 lines
2.9 KiB
154 lines
2.9 KiB
#include "arm_arch.h" |
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.text |
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.code 32 |
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.align 5 |
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.global _armv7_neon_probe |
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.type _armv7_neon_probe,%function |
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_armv7_neon_probe: |
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.word 0xf26ee1fe @ vorr q15,q15,q15 |
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.word 0xe12fff1e @ bx lr |
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.size _armv7_neon_probe,.-_armv7_neon_probe |
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.global _armv7_tick |
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.type _armv7_tick,%function |
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_armv7_tick: |
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mrc p15,0,r0,c9,c13,0 |
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.word 0xe12fff1e @ bx lr |
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.size _armv7_tick,.-_armv7_tick |
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.global OPENSSL_atomic_add |
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.type OPENSSL_atomic_add,%function |
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OPENSSL_atomic_add: |
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#if __ARM_ARCH__>=6 |
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.Ladd: ldrex r2,[r0] |
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add r3,r2,r1 |
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strex r2,r3,[r0] |
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cmp r2,#0 |
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bne .Ladd |
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mov r0,r3 |
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.word 0xe12fff1e @ bx lr |
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#else |
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stmdb sp!,{r4-r6,lr} |
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ldr r2,.Lspinlock |
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adr r3,.Lspinlock |
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mov r4,r0 |
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mov r5,r1 |
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add r6,r3,r2 @ &spinlock |
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b .+8 |
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.Lspin: bl sched_yield |
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mov r0,#-1 |
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swp r0,r0,[r6] |
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cmp r0,#0 |
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bne .Lspin |
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ldr r2,[r4] |
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add r2,r2,r5 |
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str r2,[r4] |
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str r0,[r6] @ release spinlock |
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ldmia sp!,{r4-r6,lr} |
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tst lr,#1 |
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moveq pc,lr |
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.word 0xe12fff1e @ bx lr |
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#endif |
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.size OPENSSL_atomic_add,.-OPENSSL_atomic_add |
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.global OPENSSL_cleanse |
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.type OPENSSL_cleanse,%function |
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OPENSSL_cleanse: |
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eor ip,ip,ip |
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cmp r1,#7 |
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subhs r1,r1,#4 |
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bhs .Lot |
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cmp r1,#0 |
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beq .Lcleanse_done |
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.Little: |
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strb ip,[r0],#1 |
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subs r1,r1,#1 |
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bhi .Little |
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b .Lcleanse_done |
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.Lot: tst r0,#3 |
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beq .Laligned |
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strb ip,[r0],#1 |
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sub r1,r1,#1 |
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b .Lot |
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.Laligned: |
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str ip,[r0],#4 |
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subs r1,r1,#4 |
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bhs .Laligned |
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adds r1,r1,#4 |
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bne .Little |
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.Lcleanse_done: |
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tst lr,#1 |
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moveq pc,lr |
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.word 0xe12fff1e @ bx lr |
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.size OPENSSL_cleanse,.-OPENSSL_cleanse |
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.global OPENSSL_wipe_cpu |
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.type OPENSSL_wipe_cpu,%function |
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OPENSSL_wipe_cpu: |
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ldr r0,.LOPENSSL_armcap |
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adr r1,.LOPENSSL_armcap |
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ldr r0,[r1,r0] |
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eor r2,r2,r2 |
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eor r3,r3,r3 |
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eor ip,ip,ip |
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tst r0,#1 |
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beq .Lwipe_done |
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.word 0xf3000150 @ veor q0, q0, q0 |
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.word 0xf3022152 @ veor q1, q1, q1 |
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.word 0xf3044154 @ veor q2, q2, q2 |
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.word 0xf3066156 @ veor q3, q3, q3 |
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.word 0xf34001f0 @ veor q8, q8, q8 |
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.word 0xf34221f2 @ veor q9, q9, q9 |
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.word 0xf34441f4 @ veor q10, q10, q10 |
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.word 0xf34661f6 @ veor q11, q11, q11 |
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.word 0xf34881f8 @ veor q12, q12, q12 |
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.word 0xf34aa1fa @ veor q13, q13, q13 |
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.word 0xf34cc1fc @ veor q14, q14, q14 |
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.word 0xf34ee1fe @ veor q15, q15, q15 |
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.Lwipe_done: |
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mov r0,sp |
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tst lr,#1 |
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moveq pc,lr |
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.word 0xe12fff1e @ bx lr |
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.size OPENSSL_wipe_cpu,.-OPENSSL_wipe_cpu |
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.global OPENSSL_instrument_bus |
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.type OPENSSL_instrument_bus,%function |
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OPENSSL_instrument_bus: |
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eor r0,r0,r0 |
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tst lr,#1 |
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moveq pc,lr |
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.word 0xe12fff1e @ bx lr |
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.size OPENSSL_instrument_bus,.-OPENSSL_instrument_bus |
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.global OPENSSL_instrument_bus2 |
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.type OPENSSL_instrument_bus2,%function |
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OPENSSL_instrument_bus2: |
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eor r0,r0,r0 |
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tst lr,#1 |
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moveq pc,lr |
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.word 0xe12fff1e @ bx lr |
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.size OPENSSL_instrument_bus2,.-OPENSSL_instrument_bus2 |
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.align 5 |
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.LOPENSSL_armcap: |
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.word OPENSSL_armcap_P-.LOPENSSL_armcap |
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#if __ARM_ARCH__>=6 |
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.align 5 |
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#else |
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.Lspinlock: |
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.word atomic_add_spinlock-.Lspinlock |
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.align 5 |
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.data |
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.align 2 |
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atomic_add_spinlock: |
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.word 0 |
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#endif |
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.comm OPENSSL_armcap_P,4,4 |
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.hidden OPENSSL_armcap_P
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