ref: bfe9da47cfa2f51ebef78c59332b5ba2deba306d
dir: /third_party/boringssl/linux-aarch64/crypto/fipsmodule/aesv8-armx64.S/
// This file is generated from a similarly-named Perl script in the BoringSSL
// source tree. Do not edit by hand.
#if !defined(__has_feature)
#define __has_feature(x) 0
#endif
#if __has_feature(memory_sanitizer) && !defined(OPENSSL_NO_ASM)
#define OPENSSL_NO_ASM
#endif
#if !defined(OPENSSL_NO_ASM)
#if defined(__aarch64__)
#if defined(BORINGSSL_PREFIX)
#include <boringssl_prefix_symbols_asm.h>
#endif
#include <openssl/arm_arch.h>
#if __ARM_MAX_ARCH__>=7
.text
.arch armv8-a+crypto
.section .rodata
.align 5
.Lrcon:
.long 0x01,0x01,0x01,0x01
.long 0x0c0f0e0d,0x0c0f0e0d,0x0c0f0e0d,0x0c0f0e0d // rotate-n-splat
.long 0x1b,0x1b,0x1b,0x1b
.text
.globl aes_hw_set_encrypt_key
.hidden aes_hw_set_encrypt_key
.type aes_hw_set_encrypt_key,%function
.align 5
aes_hw_set_encrypt_key:
.Lenc_key:
// Armv8.3-A PAuth: even though x30 is pushed to stack it is not popped later.
AARCH64_VALID_CALL_TARGET
stp x29,x30,[sp,#-16]!
add x29,sp,#0
mov x3,#-1
cmp x0,#0
b.eq .Lenc_key_abort
cmp x2,#0
b.eq .Lenc_key_abort
mov x3,#-2
cmp w1,#128
b.lt .Lenc_key_abort
cmp w1,#256
b.gt .Lenc_key_abort
tst w1,#0x3f
b.ne .Lenc_key_abort
adrp x3,.Lrcon
add x3,x3,:lo12:.Lrcon
cmp w1,#192
eor v0.16b,v0.16b,v0.16b
ld1 {v3.16b},[x0],#16
mov w1,#8 // reuse w1
ld1 {v1.4s,v2.4s},[x3],#32
b.lt .Loop128
b.eq .L192
b .L256
.align 4
.Loop128:
tbl v6.16b,{v3.16b},v2.16b
ext v5.16b,v0.16b,v3.16b,#12
st1 {v3.4s},[x2],#16
aese v6.16b,v0.16b
subs w1,w1,#1
eor v3.16b,v3.16b,v5.16b
ext v5.16b,v0.16b,v5.16b,#12
eor v3.16b,v3.16b,v5.16b
ext v5.16b,v0.16b,v5.16b,#12
eor v6.16b,v6.16b,v1.16b
eor v3.16b,v3.16b,v5.16b
shl v1.16b,v1.16b,#1
eor v3.16b,v3.16b,v6.16b
b.ne .Loop128
ld1 {v1.4s},[x3]
tbl v6.16b,{v3.16b},v2.16b
ext v5.16b,v0.16b,v3.16b,#12
st1 {v3.4s},[x2],#16
aese v6.16b,v0.16b
eor v3.16b,v3.16b,v5.16b
ext v5.16b,v0.16b,v5.16b,#12
eor v3.16b,v3.16b,v5.16b
ext v5.16b,v0.16b,v5.16b,#12
eor v6.16b,v6.16b,v1.16b
eor v3.16b,v3.16b,v5.16b
shl v1.16b,v1.16b,#1
eor v3.16b,v3.16b,v6.16b
tbl v6.16b,{v3.16b},v2.16b
ext v5.16b,v0.16b,v3.16b,#12
st1 {v3.4s},[x2],#16
aese v6.16b,v0.16b
eor v3.16b,v3.16b,v5.16b
ext v5.16b,v0.16b,v5.16b,#12
eor v3.16b,v3.16b,v5.16b
ext v5.16b,v0.16b,v5.16b,#12
eor v6.16b,v6.16b,v1.16b
eor v3.16b,v3.16b,v5.16b
eor v3.16b,v3.16b,v6.16b
st1 {v3.4s},[x2]
add x2,x2,#0x50
mov w12,#10
b .Ldone
.align 4
.L192:
ld1 {v4.8b},[x0],#8
movi v6.16b,#8 // borrow v6.16b
st1 {v3.4s},[x2],#16
sub v2.16b,v2.16b,v6.16b // adjust the mask
.Loop192:
tbl v6.16b,{v4.16b},v2.16b
ext v5.16b,v0.16b,v3.16b,#12
st1 {v4.8b},[x2],#8
aese v6.16b,v0.16b
subs w1,w1,#1
eor v3.16b,v3.16b,v5.16b
ext v5.16b,v0.16b,v5.16b,#12
eor v3.16b,v3.16b,v5.16b
ext v5.16b,v0.16b,v5.16b,#12
eor v3.16b,v3.16b,v5.16b
dup v5.4s,v3.s[3]
eor v5.16b,v5.16b,v4.16b
eor v6.16b,v6.16b,v1.16b
ext v4.16b,v0.16b,v4.16b,#12
shl v1.16b,v1.16b,#1
eor v4.16b,v4.16b,v5.16b
eor v3.16b,v3.16b,v6.16b
eor v4.16b,v4.16b,v6.16b
st1 {v3.4s},[x2],#16
b.ne .Loop192
mov w12,#12
add x2,x2,#0x20
b .Ldone
.align 4
.L256:
ld1 {v4.16b},[x0]
mov w1,#7
mov w12,#14
st1 {v3.4s},[x2],#16
.Loop256:
tbl v6.16b,{v4.16b},v2.16b
ext v5.16b,v0.16b,v3.16b,#12
st1 {v4.4s},[x2],#16
aese v6.16b,v0.16b
subs w1,w1,#1
eor v3.16b,v3.16b,v5.16b
ext v5.16b,v0.16b,v5.16b,#12
eor v3.16b,v3.16b,v5.16b
ext v5.16b,v0.16b,v5.16b,#12
eor v6.16b,v6.16b,v1.16b
eor v3.16b,v3.16b,v5.16b
shl v1.16b,v1.16b,#1
eor v3.16b,v3.16b,v6.16b
st1 {v3.4s},[x2],#16
b.eq .Ldone
dup v6.4s,v3.s[3] // just splat
ext v5.16b,v0.16b,v4.16b,#12
aese v6.16b,v0.16b
eor v4.16b,v4.16b,v5.16b
ext v5.16b,v0.16b,v5.16b,#12
eor v4.16b,v4.16b,v5.16b
ext v5.16b,v0.16b,v5.16b,#12
eor v4.16b,v4.16b,v5.16b
eor v4.16b,v4.16b,v6.16b
b .Loop256
.Ldone:
str w12,[x2]
mov x3,#0
.Lenc_key_abort:
mov x0,x3 // return value
ldr x29,[sp],#16
ret
.size aes_hw_set_encrypt_key,.-aes_hw_set_encrypt_key
.globl aes_hw_set_decrypt_key
.hidden aes_hw_set_decrypt_key
.type aes_hw_set_decrypt_key,%function
.align 5
aes_hw_set_decrypt_key:
AARCH64_SIGN_LINK_REGISTER
stp x29,x30,[sp,#-16]!
add x29,sp,#0
bl .Lenc_key
cmp x0,#0
b.ne .Ldec_key_abort
sub x2,x2,#240 // restore original x2
mov x4,#-16
add x0,x2,x12,lsl#4 // end of key schedule
ld1 {v0.4s},[x2]
ld1 {v1.4s},[x0]
st1 {v0.4s},[x0],x4
st1 {v1.4s},[x2],#16
.Loop_imc:
ld1 {v0.4s},[x2]
ld1 {v1.4s},[x0]
aesimc v0.16b,v0.16b
aesimc v1.16b,v1.16b
st1 {v0.4s},[x0],x4
st1 {v1.4s},[x2],#16
cmp x0,x2
b.hi .Loop_imc
ld1 {v0.4s},[x2]
aesimc v0.16b,v0.16b
st1 {v0.4s},[x0]
eor x0,x0,x0 // return value
.Ldec_key_abort:
ldp x29,x30,[sp],#16
AARCH64_VALIDATE_LINK_REGISTER
ret
.size aes_hw_set_decrypt_key,.-aes_hw_set_decrypt_key
.globl aes_hw_encrypt
.hidden aes_hw_encrypt
.type aes_hw_encrypt,%function
.align 5
aes_hw_encrypt:
AARCH64_VALID_CALL_TARGET
ldr w3,[x2,#240]
ld1 {v0.4s},[x2],#16
ld1 {v2.16b},[x0]
sub w3,w3,#2
ld1 {v1.4s},[x2],#16
.Loop_enc:
aese v2.16b,v0.16b
aesmc v2.16b,v2.16b
ld1 {v0.4s},[x2],#16
subs w3,w3,#2
aese v2.16b,v1.16b
aesmc v2.16b,v2.16b
ld1 {v1.4s},[x2],#16
b.gt .Loop_enc
aese v2.16b,v0.16b
aesmc v2.16b,v2.16b
ld1 {v0.4s},[x2]
aese v2.16b,v1.16b
eor v2.16b,v2.16b,v0.16b
st1 {v2.16b},[x1]
ret
.size aes_hw_encrypt,.-aes_hw_encrypt
.globl aes_hw_decrypt
.hidden aes_hw_decrypt
.type aes_hw_decrypt,%function
.align 5
aes_hw_decrypt:
AARCH64_VALID_CALL_TARGET
ldr w3,[x2,#240]
ld1 {v0.4s},[x2],#16
ld1 {v2.16b},[x0]
sub w3,w3,#2
ld1 {v1.4s},[x2],#16
.Loop_dec:
aesd v2.16b,v0.16b
aesimc v2.16b,v2.16b
ld1 {v0.4s},[x2],#16
subs w3,w3,#2
aesd v2.16b,v1.16b
aesimc v2.16b,v2.16b
ld1 {v1.4s},[x2],#16
b.gt .Loop_dec
aesd v2.16b,v0.16b
aesimc v2.16b,v2.16b
ld1 {v0.4s},[x2]
aesd v2.16b,v1.16b
eor v2.16b,v2.16b,v0.16b
st1 {v2.16b},[x1]
ret
.size aes_hw_decrypt,.-aes_hw_decrypt
.globl aes_hw_cbc_encrypt
.hidden aes_hw_cbc_encrypt
.type aes_hw_cbc_encrypt,%function
.align 5
aes_hw_cbc_encrypt:
// Armv8.3-A PAuth: even though x30 is pushed to stack it is not popped later.
AARCH64_VALID_CALL_TARGET
stp x29,x30,[sp,#-16]!
add x29,sp,#0
subs x2,x2,#16
mov x8,#16
b.lo .Lcbc_abort
csel x8,xzr,x8,eq
cmp w5,#0 // en- or decrypting?
ldr w5,[x3,#240]
and x2,x2,#-16
ld1 {v6.16b},[x4]
ld1 {v0.16b},[x0],x8
ld1 {v16.4s,v17.4s},[x3] // load key schedule...
sub w5,w5,#6
add x7,x3,x5,lsl#4 // pointer to last 7 round keys
sub w5,w5,#2
ld1 {v18.4s,v19.4s},[x7],#32
ld1 {v20.4s,v21.4s},[x7],#32
ld1 {v22.4s,v23.4s},[x7],#32
ld1 {v7.4s},[x7]
add x7,x3,#32
mov w6,w5
b.eq .Lcbc_dec
cmp w5,#2
eor v0.16b,v0.16b,v6.16b
eor v5.16b,v16.16b,v7.16b
b.eq .Lcbc_enc128
ld1 {v2.4s,v3.4s},[x7]
add x7,x3,#16
add x6,x3,#16*4
add x12,x3,#16*5
aese v0.16b,v16.16b
aesmc v0.16b,v0.16b
add x14,x3,#16*6
add x3,x3,#16*7
b .Lenter_cbc_enc
.align 4
.Loop_cbc_enc:
aese v0.16b,v16.16b
aesmc v0.16b,v0.16b
st1 {v6.16b},[x1],#16
.Lenter_cbc_enc:
aese v0.16b,v17.16b
aesmc v0.16b,v0.16b
aese v0.16b,v2.16b
aesmc v0.16b,v0.16b
ld1 {v16.4s},[x6]
cmp w5,#4
aese v0.16b,v3.16b
aesmc v0.16b,v0.16b
ld1 {v17.4s},[x12]
b.eq .Lcbc_enc192
aese v0.16b,v16.16b
aesmc v0.16b,v0.16b
ld1 {v16.4s},[x14]
aese v0.16b,v17.16b
aesmc v0.16b,v0.16b
ld1 {v17.4s},[x3]
nop
.Lcbc_enc192:
aese v0.16b,v16.16b
aesmc v0.16b,v0.16b
subs x2,x2,#16
aese v0.16b,v17.16b
aesmc v0.16b,v0.16b
csel x8,xzr,x8,eq
aese v0.16b,v18.16b
aesmc v0.16b,v0.16b
aese v0.16b,v19.16b
aesmc v0.16b,v0.16b
ld1 {v16.16b},[x0],x8
aese v0.16b,v20.16b
aesmc v0.16b,v0.16b
eor v16.16b,v16.16b,v5.16b
aese v0.16b,v21.16b
aesmc v0.16b,v0.16b
ld1 {v17.4s},[x7] // re-pre-load rndkey[1]
aese v0.16b,v22.16b
aesmc v0.16b,v0.16b
aese v0.16b,v23.16b
eor v6.16b,v0.16b,v7.16b
b.hs .Loop_cbc_enc
st1 {v6.16b},[x1],#16
b .Lcbc_done
.align 5
.Lcbc_enc128:
ld1 {v2.4s,v3.4s},[x7]
aese v0.16b,v16.16b
aesmc v0.16b,v0.16b
b .Lenter_cbc_enc128
.Loop_cbc_enc128:
aese v0.16b,v16.16b
aesmc v0.16b,v0.16b
st1 {v6.16b},[x1],#16
.Lenter_cbc_enc128:
aese v0.16b,v17.16b
aesmc v0.16b,v0.16b
subs x2,x2,#16
aese v0.16b,v2.16b
aesmc v0.16b,v0.16b
csel x8,xzr,x8,eq
aese v0.16b,v3.16b
aesmc v0.16b,v0.16b
aese v0.16b,v18.16b
aesmc v0.16b,v0.16b
aese v0.16b,v19.16b
aesmc v0.16b,v0.16b
ld1 {v16.16b},[x0],x8
aese v0.16b,v20.16b
aesmc v0.16b,v0.16b
aese v0.16b,v21.16b
aesmc v0.16b,v0.16b
aese v0.16b,v22.16b
aesmc v0.16b,v0.16b
eor v16.16b,v16.16b,v5.16b
aese v0.16b,v23.16b
eor v6.16b,v0.16b,v7.16b
b.hs .Loop_cbc_enc128
st1 {v6.16b},[x1],#16
b .Lcbc_done
.align 5
.Lcbc_dec:
ld1 {v18.16b},[x0],#16
subs x2,x2,#32 // bias
add w6,w5,#2
orr v3.16b,v0.16b,v0.16b
orr v1.16b,v0.16b,v0.16b
orr v19.16b,v18.16b,v18.16b
b.lo .Lcbc_dec_tail
orr v1.16b,v18.16b,v18.16b
ld1 {v18.16b},[x0],#16
orr v2.16b,v0.16b,v0.16b
orr v3.16b,v1.16b,v1.16b
orr v19.16b,v18.16b,v18.16b
.Loop3x_cbc_dec:
aesd v0.16b,v16.16b
aesimc v0.16b,v0.16b
aesd v1.16b,v16.16b
aesimc v1.16b,v1.16b
aesd v18.16b,v16.16b
aesimc v18.16b,v18.16b
ld1 {v16.4s},[x7],#16
subs w6,w6,#2
aesd v0.16b,v17.16b
aesimc v0.16b,v0.16b
aesd v1.16b,v17.16b
aesimc v1.16b,v1.16b
aesd v18.16b,v17.16b
aesimc v18.16b,v18.16b
ld1 {v17.4s},[x7],#16
b.gt .Loop3x_cbc_dec
aesd v0.16b,v16.16b
aesimc v0.16b,v0.16b
aesd v1.16b,v16.16b
aesimc v1.16b,v1.16b
aesd v18.16b,v16.16b
aesimc v18.16b,v18.16b
eor v4.16b,v6.16b,v7.16b
subs x2,x2,#0x30
eor v5.16b,v2.16b,v7.16b
csel x6,x2,x6,lo // x6, w6, is zero at this point
aesd v0.16b,v17.16b
aesimc v0.16b,v0.16b
aesd v1.16b,v17.16b
aesimc v1.16b,v1.16b
aesd v18.16b,v17.16b
aesimc v18.16b,v18.16b
eor v17.16b,v3.16b,v7.16b
add x0,x0,x6 // x0 is adjusted in such way that
// at exit from the loop v1.16b-v18.16b
// are loaded with last "words"
orr v6.16b,v19.16b,v19.16b
mov x7,x3
aesd v0.16b,v20.16b
aesimc v0.16b,v0.16b
aesd v1.16b,v20.16b
aesimc v1.16b,v1.16b
aesd v18.16b,v20.16b
aesimc v18.16b,v18.16b
ld1 {v2.16b},[x0],#16
aesd v0.16b,v21.16b
aesimc v0.16b,v0.16b
aesd v1.16b,v21.16b
aesimc v1.16b,v1.16b
aesd v18.16b,v21.16b
aesimc v18.16b,v18.16b
ld1 {v3.16b},[x0],#16
aesd v0.16b,v22.16b
aesimc v0.16b,v0.16b
aesd v1.16b,v22.16b
aesimc v1.16b,v1.16b
aesd v18.16b,v22.16b
aesimc v18.16b,v18.16b
ld1 {v19.16b},[x0],#16
aesd v0.16b,v23.16b
aesd v1.16b,v23.16b
aesd v18.16b,v23.16b
ld1 {v16.4s},[x7],#16 // re-pre-load rndkey[0]
add w6,w5,#2
eor v4.16b,v4.16b,v0.16b
eor v5.16b,v5.16b,v1.16b
eor v18.16b,v18.16b,v17.16b
ld1 {v17.4s},[x7],#16 // re-pre-load rndkey[1]
st1 {v4.16b},[x1],#16
orr v0.16b,v2.16b,v2.16b
st1 {v5.16b},[x1],#16
orr v1.16b,v3.16b,v3.16b
st1 {v18.16b},[x1],#16
orr v18.16b,v19.16b,v19.16b
b.hs .Loop3x_cbc_dec
cmn x2,#0x30
b.eq .Lcbc_done
nop
.Lcbc_dec_tail:
aesd v1.16b,v16.16b
aesimc v1.16b,v1.16b
aesd v18.16b,v16.16b
aesimc v18.16b,v18.16b
ld1 {v16.4s},[x7],#16
subs w6,w6,#2
aesd v1.16b,v17.16b
aesimc v1.16b,v1.16b
aesd v18.16b,v17.16b
aesimc v18.16b,v18.16b
ld1 {v17.4s},[x7],#16
b.gt .Lcbc_dec_tail
aesd v1.16b,v16.16b
aesimc v1.16b,v1.16b
aesd v18.16b,v16.16b
aesimc v18.16b,v18.16b
aesd v1.16b,v17.16b
aesimc v1.16b,v1.16b
aesd v18.16b,v17.16b
aesimc v18.16b,v18.16b
aesd v1.16b,v20.16b
aesimc v1.16b,v1.16b
aesd v18.16b,v20.16b
aesimc v18.16b,v18.16b
cmn x2,#0x20
aesd v1.16b,v21.16b
aesimc v1.16b,v1.16b
aesd v18.16b,v21.16b
aesimc v18.16b,v18.16b
eor v5.16b,v6.16b,v7.16b
aesd v1.16b,v22.16b
aesimc v1.16b,v1.16b
aesd v18.16b,v22.16b
aesimc v18.16b,v18.16b
eor v17.16b,v3.16b,v7.16b
aesd v1.16b,v23.16b
aesd v18.16b,v23.16b
b.eq .Lcbc_dec_one
eor v5.16b,v5.16b,v1.16b
eor v17.16b,v17.16b,v18.16b
orr v6.16b,v19.16b,v19.16b
st1 {v5.16b},[x1],#16
st1 {v17.16b},[x1],#16
b .Lcbc_done
.Lcbc_dec_one:
eor v5.16b,v5.16b,v18.16b
orr v6.16b,v19.16b,v19.16b
st1 {v5.16b},[x1],#16
.Lcbc_done:
st1 {v6.16b},[x4]
.Lcbc_abort:
ldr x29,[sp],#16
ret
.size aes_hw_cbc_encrypt,.-aes_hw_cbc_encrypt
.globl aes_hw_ctr32_encrypt_blocks
.hidden aes_hw_ctr32_encrypt_blocks
.type aes_hw_ctr32_encrypt_blocks,%function
.align 5
aes_hw_ctr32_encrypt_blocks:
// Armv8.3-A PAuth: even though x30 is pushed to stack it is not popped later.
AARCH64_VALID_CALL_TARGET
stp x29,x30,[sp,#-16]!
add x29,sp,#0
ldr w5,[x3,#240]
ldr w8, [x4, #12]
ld1 {v0.4s},[x4]
ld1 {v16.4s,v17.4s},[x3] // load key schedule...
sub w5,w5,#4
mov x12,#16
cmp x2,#2
add x7,x3,x5,lsl#4 // pointer to last 5 round keys
sub w5,w5,#2
ld1 {v20.4s,v21.4s},[x7],#32
ld1 {v22.4s,v23.4s},[x7],#32
ld1 {v7.4s},[x7]
add x7,x3,#32
mov w6,w5
csel x12,xzr,x12,lo
// ARM Cortex-A57 and Cortex-A72 cores running in 32-bit mode are
// affected by silicon errata #1742098 [0] and #1655431 [1],
// respectively, where the second instruction of an aese/aesmc
// instruction pair may execute twice if an interrupt is taken right
// after the first instruction consumes an input register of which a
// single 32-bit lane has been updated the last time it was modified.
//
// This function uses a counter in one 32-bit lane. The vmov lines
// could write to v1.16b and v18.16b directly, but that trips this bugs.
// We write to v6.16b and copy to the final register as a workaround.
//
// [0] ARM-EPM-049219 v23 Cortex-A57 MPCore Software Developers Errata Notice
// [1] ARM-EPM-012079 v11.0 Cortex-A72 MPCore Software Developers Errata Notice
#ifndef __ARMEB__
rev w8, w8
#endif
add w10, w8, #1
orr v6.16b,v0.16b,v0.16b
rev w10, w10
mov v6.s[3],w10
add w8, w8, #2
orr v1.16b,v6.16b,v6.16b
b.ls .Lctr32_tail
rev w12, w8
mov v6.s[3],w12
sub x2,x2,#3 // bias
orr v18.16b,v6.16b,v6.16b
b .Loop3x_ctr32
.align 4
.Loop3x_ctr32:
aese v0.16b,v16.16b
aesmc v0.16b,v0.16b
aese v1.16b,v16.16b
aesmc v1.16b,v1.16b
aese v18.16b,v16.16b
aesmc v18.16b,v18.16b
ld1 {v16.4s},[x7],#16
subs w6,w6,#2
aese v0.16b,v17.16b
aesmc v0.16b,v0.16b
aese v1.16b,v17.16b
aesmc v1.16b,v1.16b
aese v18.16b,v17.16b
aesmc v18.16b,v18.16b
ld1 {v17.4s},[x7],#16
b.gt .Loop3x_ctr32
aese v0.16b,v16.16b
aesmc v4.16b,v0.16b
aese v1.16b,v16.16b
aesmc v5.16b,v1.16b
ld1 {v2.16b},[x0],#16
add w9,w8,#1
aese v18.16b,v16.16b
aesmc v18.16b,v18.16b
ld1 {v3.16b},[x0],#16
rev w9,w9
aese v4.16b,v17.16b
aesmc v4.16b,v4.16b
aese v5.16b,v17.16b
aesmc v5.16b,v5.16b
ld1 {v19.16b},[x0],#16
mov x7,x3
aese v18.16b,v17.16b
aesmc v17.16b,v18.16b
aese v4.16b,v20.16b
aesmc v4.16b,v4.16b
aese v5.16b,v20.16b
aesmc v5.16b,v5.16b
eor v2.16b,v2.16b,v7.16b
add w10,w8,#2
aese v17.16b,v20.16b
aesmc v17.16b,v17.16b
eor v3.16b,v3.16b,v7.16b
add w8,w8,#3
aese v4.16b,v21.16b
aesmc v4.16b,v4.16b
aese v5.16b,v21.16b
aesmc v5.16b,v5.16b
// Note the logic to update v0.16b, v1.16b, and v1.16b is written to work
// around a bug in ARM Cortex-A57 and Cortex-A72 cores running in
// 32-bit mode. See the comment above.
eor v19.16b,v19.16b,v7.16b
mov v6.s[3], w9
aese v17.16b,v21.16b
aesmc v17.16b,v17.16b
orr v0.16b,v6.16b,v6.16b
rev w10,w10
aese v4.16b,v22.16b
aesmc v4.16b,v4.16b
mov v6.s[3], w10
rev w12,w8
aese v5.16b,v22.16b
aesmc v5.16b,v5.16b
orr v1.16b,v6.16b,v6.16b
mov v6.s[3], w12
aese v17.16b,v22.16b
aesmc v17.16b,v17.16b
orr v18.16b,v6.16b,v6.16b
subs x2,x2,#3
aese v4.16b,v23.16b
aese v5.16b,v23.16b
aese v17.16b,v23.16b
eor v2.16b,v2.16b,v4.16b
ld1 {v16.4s},[x7],#16 // re-pre-load rndkey[0]
st1 {v2.16b},[x1],#16
eor v3.16b,v3.16b,v5.16b
mov w6,w5
st1 {v3.16b},[x1],#16
eor v19.16b,v19.16b,v17.16b
ld1 {v17.4s},[x7],#16 // re-pre-load rndkey[1]
st1 {v19.16b},[x1],#16
b.hs .Loop3x_ctr32
adds x2,x2,#3
b.eq .Lctr32_done
cmp x2,#1
mov x12,#16
csel x12,xzr,x12,eq
.Lctr32_tail:
aese v0.16b,v16.16b
aesmc v0.16b,v0.16b
aese v1.16b,v16.16b
aesmc v1.16b,v1.16b
ld1 {v16.4s},[x7],#16
subs w6,w6,#2
aese v0.16b,v17.16b
aesmc v0.16b,v0.16b
aese v1.16b,v17.16b
aesmc v1.16b,v1.16b
ld1 {v17.4s},[x7],#16
b.gt .Lctr32_tail
aese v0.16b,v16.16b
aesmc v0.16b,v0.16b
aese v1.16b,v16.16b
aesmc v1.16b,v1.16b
aese v0.16b,v17.16b
aesmc v0.16b,v0.16b
aese v1.16b,v17.16b
aesmc v1.16b,v1.16b
ld1 {v2.16b},[x0],x12
aese v0.16b,v20.16b
aesmc v0.16b,v0.16b
aese v1.16b,v20.16b
aesmc v1.16b,v1.16b
ld1 {v3.16b},[x0]
aese v0.16b,v21.16b
aesmc v0.16b,v0.16b
aese v1.16b,v21.16b
aesmc v1.16b,v1.16b
eor v2.16b,v2.16b,v7.16b
aese v0.16b,v22.16b
aesmc v0.16b,v0.16b
aese v1.16b,v22.16b
aesmc v1.16b,v1.16b
eor v3.16b,v3.16b,v7.16b
aese v0.16b,v23.16b
aese v1.16b,v23.16b
cmp x2,#1
eor v2.16b,v2.16b,v0.16b
eor v3.16b,v3.16b,v1.16b
st1 {v2.16b},[x1],#16
b.eq .Lctr32_done
st1 {v3.16b},[x1]
.Lctr32_done:
ldr x29,[sp],#16
ret
.size aes_hw_ctr32_encrypt_blocks,.-aes_hw_ctr32_encrypt_blocks
#endif
#endif
#endif // !OPENSSL_NO_ASM
.section .note.GNU-stack,"",%progbits