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