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| #! /usr/bin/env perl
| # Copyright 2015-2020 The OpenSSL Project Authors. All Rights Reserved.
| #
| # Licensed under the OpenSSL license (the "License"). You may not use
| # this file except in compliance with the License. You can obtain a copy
| # in the file LICENSE in the source distribution or at
| # https://www.openssl.org/source/license.html
|
|
| $flavour = shift;
| $output = shift;
|
| $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
| ( $xlate="${dir}arm-xlate.pl" and -f $xlate ) or
| ( $xlate="${dir}perlasm/arm-xlate.pl" and -f $xlate) or
| die "can't locate arm-xlate.pl";
|
| open OUT,"| \"$^X\" $xlate $flavour $output";
| *STDOUT=*OUT;
|
| $code.=<<___;
| #include "arm_arch.h"
|
| .text
| #if defined(__thumb2__) && !defined(__APPLE__)
| .syntax unified
| .thumb
| #else
| .code 32
| #undef __thumb2__
| #endif
|
| .align 5
| .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
| 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
| #ifdef __thumb2__
| itt hs
| #endif
| 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:
| #if __ARM_ARCH__>=5
| bx lr
| #else
| tst lr,#1
| moveq pc,lr
| .word 0xe12fff1e @ bx lr
| #endif
| .size OPENSSL_cleanse,.-OPENSSL_cleanse
|
| .global CRYPTO_memcmp
| .type CRYPTO_memcmp,%function
| .align 4
| CRYPTO_memcmp:
| eor ip,ip,ip
| cmp r2,#0
| beq .Lno_data
| stmdb sp!,{r4,r5}
|
| .Loop_cmp:
| ldrb r4,[r0],#1
| ldrb r5,[r1],#1
| eor r4,r4,r5
| orr ip,ip,r4
| subs r2,r2,#1
| bne .Loop_cmp
|
| ldmia sp!,{r4,r5}
| .Lno_data:
| rsb r0,ip,#0
| mov r0,r0,lsr#31
| #if __ARM_ARCH__>=5
| bx lr
| #else
| tst lr,#1
| moveq pc,lr
| .word 0xe12fff1e @ bx lr
| #endif
| .size CRYPTO_memcmp,.-CRYPTO_memcmp
|
| #if __ARM_MAX_ARCH__>=7
| .arch armv7-a
| .fpu neon
|
| .align 5
| .global _armv7_neon_probe
| .type _armv7_neon_probe,%function
| _armv7_neon_probe:
| vorr q0,q0,q0
| bx lr
| .size _armv7_neon_probe,.-_armv7_neon_probe
|
| .global _armv7_tick
| .type _armv7_tick,%function
| _armv7_tick:
| #ifdef __APPLE__
| mrrc p15,0,r0,r1,c14 @ CNTPCT
| #else
| mrrc p15,1,r0,r1,c14 @ CNTVCT
| #endif
| bx lr
| .size _armv7_tick,.-_armv7_tick
|
| .global _armv8_aes_probe
| .type _armv8_aes_probe,%function
| _armv8_aes_probe:
| #if defined(__thumb2__) && !defined(__APPLE__)
| .byte 0xb0,0xff,0x00,0x03 @ aese.8 q0,q0
| #else
| .byte 0x00,0x03,0xb0,0xf3 @ aese.8 q0,q0
| #endif
| bx lr
| .size _armv8_aes_probe,.-_armv8_aes_probe
|
| .global _armv8_sha1_probe
| .type _armv8_sha1_probe,%function
| _armv8_sha1_probe:
| #if defined(__thumb2__) && !defined(__APPLE__)
| .byte 0x00,0xef,0x40,0x0c @ sha1c.32 q0,q0,q0
| #else
| .byte 0x40,0x0c,0x00,0xf2 @ sha1c.32 q0,q0,q0
| #endif
| bx lr
| .size _armv8_sha1_probe,.-_armv8_sha1_probe
|
| .global _armv8_sha256_probe
| .type _armv8_sha256_probe,%function
| _armv8_sha256_probe:
| #if defined(__thumb2__) && !defined(__APPLE__)
| .byte 0x00,0xff,0x40,0x0c @ sha256h.32 q0,q0,q0
| #else
| .byte 0x40,0x0c,0x00,0xf3 @ sha256h.32 q0,q0,q0
| #endif
| bx lr
| .size _armv8_sha256_probe,.-_armv8_sha256_probe
| .global _armv8_pmull_probe
| .type _armv8_pmull_probe,%function
| _armv8_pmull_probe:
| #if defined(__thumb2__) && !defined(__APPLE__)
| .byte 0xa0,0xef,0x00,0x0e @ vmull.p64 q0,d0,d0
| #else
| .byte 0x00,0x0e,0xa0,0xf2 @ vmull.p64 q0,d0,d0
| #endif
| bx lr
| .size _armv8_pmull_probe,.-_armv8_pmull_probe
| #endif
|
| .global OPENSSL_wipe_cpu
| .type OPENSSL_wipe_cpu,%function
| OPENSSL_wipe_cpu:
| #if __ARM_MAX_ARCH__>=7
| ldr r0,.LOPENSSL_armcap
| adr r1,.LOPENSSL_armcap
| ldr r0,[r1,r0]
| #ifdef __APPLE__
| ldr r0,[r0]
| #endif
| #endif
| eor r2,r2,r2
| eor r3,r3,r3
| eor ip,ip,ip
| #if __ARM_MAX_ARCH__>=7
| tst r0,#1
| beq .Lwipe_done
| veor q0, q0, q0
| veor q1, q1, q1
| veor q2, q2, q2
| veor q3, q3, q3
| veor q8, q8, q8
| veor q9, q9, q9
| veor q10, q10, q10
| veor q11, q11, q11
| veor q12, q12, q12
| veor q13, q13, q13
| veor q14, q14, q14
| veor q15, q15, q15
| .Lwipe_done:
| #endif
| mov r0,sp
| #if __ARM_ARCH__>=5
| bx lr
| #else
| tst lr,#1
| moveq pc,lr
| .word 0xe12fff1e @ bx lr
| #endif
| .size OPENSSL_wipe_cpu,.-OPENSSL_wipe_cpu
|
| .global OPENSSL_instrument_bus
| .type OPENSSL_instrument_bus,%function
| OPENSSL_instrument_bus:
| eor r0,r0,r0
| #if __ARM_ARCH__>=5
| bx lr
| #else
| tst lr,#1
| moveq pc,lr
| .word 0xe12fff1e @ bx lr
| #endif
| .size OPENSSL_instrument_bus,.-OPENSSL_instrument_bus
|
| .global OPENSSL_instrument_bus2
| .type OPENSSL_instrument_bus2,%function
| OPENSSL_instrument_bus2:
| eor r0,r0,r0
| #if __ARM_ARCH__>=5
| bx lr
| #else
| tst lr,#1
| moveq pc,lr
| .word 0xe12fff1e @ bx lr
| #endif
| .size OPENSSL_instrument_bus2,.-OPENSSL_instrument_bus2
|
| .align 5
| #if __ARM_MAX_ARCH__>=7
| .LOPENSSL_armcap:
| .word OPENSSL_armcap_P-.
| #endif
| #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
| ___
|
| print $code;
| close STDOUT or die "error closing STDOUT: $!";
|
|
