ref: 94f2907dc40a6415a10c252cb9ba3971f1f7e838
dir: /third_party/boringssl/src/gen/bcm/aesv8-armv7-linux.S/
// This file is generated from a similarly-named Perl script in the BoringSSL
// source tree. Do not edit by hand.
#include <openssl/asm_base.h>
#if !defined(OPENSSL_NO_ASM) && defined(OPENSSL_ARM) && defined(__ELF__)
#include <openssl/arm_arch.h>
#if __ARM_MAX_ARCH__>=7
.text
.arch armv7-a @ don't confuse not-so-latest binutils with argv8 :-)
.fpu neon
.code 32
#undef __thumb2__
.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:
mov r3,#-2
cmp r1,#128
blt .Lenc_key_abort
cmp r1,#256
bgt .Lenc_key_abort
tst r1,#0x3f
bne .Lenc_key_abort
adr r3,.Lrcon
cmp r1,#192
veor q0,q0,q0
vld1.8 {q3},[r0]!
mov r1,#8 @ reuse r1
vld1.32 {q1,q2},[r3]!
blt .Loop128
beq .L192
b .L256
.align 4
.Loop128:
vtbl.8 d20,{q3},d4
vtbl.8 d21,{q3},d5
vext.8 q9,q0,q3,#12
vst1.32 {q3},[r2]!
.byte 0x00,0x43,0xf0,0xf3 @ aese q10,q0
subs r1,r1,#1
veor q3,q3,q9
vext.8 q9,q0,q9,#12
veor q3,q3,q9
vext.8 q9,q0,q9,#12
veor q10,q10,q1
veor q3,q3,q9
vshl.u8 q1,q1,#1
veor q3,q3,q10
bne .Loop128
vld1.32 {q1},[r3]
vtbl.8 d20,{q3},d4
vtbl.8 d21,{q3},d5
vext.8 q9,q0,q3,#12
vst1.32 {q3},[r2]!
.byte 0x00,0x43,0xf0,0xf3 @ aese q10,q0
veor q3,q3,q9
vext.8 q9,q0,q9,#12
veor q3,q3,q9
vext.8 q9,q0,q9,#12
veor q10,q10,q1
veor q3,q3,q9
vshl.u8 q1,q1,#1
veor q3,q3,q10
vtbl.8 d20,{q3},d4
vtbl.8 d21,{q3},d5
vext.8 q9,q0,q3,#12
vst1.32 {q3},[r2]!
.byte 0x00,0x43,0xf0,0xf3 @ aese q10,q0
veor q3,q3,q9
vext.8 q9,q0,q9,#12
veor q3,q3,q9
vext.8 q9,q0,q9,#12
veor q10,q10,q1
veor q3,q3,q9
veor q3,q3,q10
vst1.32 {q3},[r2]
add r2,r2,#0x50
mov r12,#10
b .Ldone
.align 4
.L192:
vld1.8 {d16},[r0]!
vmov.i8 q10,#8 @ borrow q10
vst1.32 {q3},[r2]!
vsub.i8 q2,q2,q10 @ adjust the mask
.Loop192:
vtbl.8 d20,{q8},d4
vtbl.8 d21,{q8},d5
vext.8 q9,q0,q3,#12
vst1.32 {d16},[r2]!
.byte 0x00,0x43,0xf0,0xf3 @ aese q10,q0
subs r1,r1,#1
veor q3,q3,q9
vext.8 q9,q0,q9,#12
veor q3,q3,q9
vext.8 q9,q0,q9,#12
veor q3,q3,q9
vdup.32 q9,d7[1]
veor q9,q9,q8
veor q10,q10,q1
vext.8 q8,q0,q8,#12
vshl.u8 q1,q1,#1
veor q8,q8,q9
veor q3,q3,q10
veor q8,q8,q10
vst1.32 {q3},[r2]!
bne .Loop192
mov r12,#12
add r2,r2,#0x20
b .Ldone
.align 4
.L256:
vld1.8 {q8},[r0]
mov r1,#7
mov r12,#14
vst1.32 {q3},[r2]!
.Loop256:
vtbl.8 d20,{q8},d4
vtbl.8 d21,{q8},d5
vext.8 q9,q0,q3,#12
vst1.32 {q8},[r2]!
.byte 0x00,0x43,0xf0,0xf3 @ aese q10,q0
subs r1,r1,#1
veor q3,q3,q9
vext.8 q9,q0,q9,#12
veor q3,q3,q9
vext.8 q9,q0,q9,#12
veor q10,q10,q1
veor q3,q3,q9
vshl.u8 q1,q1,#1
veor q3,q3,q10
vst1.32 {q3},[r2]!
beq .Ldone
vdup.32 q10,d7[1]
vext.8 q9,q0,q8,#12
.byte 0x00,0x43,0xf0,0xf3 @ aese q10,q0
veor q8,q8,q9
vext.8 q9,q0,q9,#12
veor q8,q8,q9
vext.8 q9,q0,q9,#12
veor q8,q8,q9
veor q8,q8,q10
b .Loop256
.Ldone:
str r12,[r2]
mov r3,#0
.Lenc_key_abort:
mov r0,r3 @ return value
bx lr
.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:
stmdb sp!,{r4,lr}
bl .Lenc_key
cmp r0,#0
bne .Ldec_key_abort
sub r2,r2,#240 @ restore original r2
mov r4,#-16
add r0,r2,r12,lsl#4 @ end of key schedule
vld1.32 {q0},[r2]
vld1.32 {q1},[r0]
vst1.32 {q0},[r0],r4
vst1.32 {q1},[r2]!
.Loop_imc:
vld1.32 {q0},[r2]
vld1.32 {q1},[r0]
.byte 0xc0,0x03,0xb0,0xf3 @ aesimc q0,q0
.byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1
vst1.32 {q0},[r0],r4
vst1.32 {q1},[r2]!
cmp r0,r2
bhi .Loop_imc
vld1.32 {q0},[r2]
.byte 0xc0,0x03,0xb0,0xf3 @ aesimc q0,q0
vst1.32 {q0},[r0]
eor r0,r0,r0 @ return value
.Ldec_key_abort:
ldmia sp!,{r4,pc}
.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 r3,[r2,#240]
vld1.32 {q0},[r2]!
vld1.8 {q2},[r0]
sub r3,r3,#2
vld1.32 {q1},[r2]!
.Loop_enc:
.byte 0x00,0x43,0xb0,0xf3 @ aese q2,q0
.byte 0x84,0x43,0xb0,0xf3 @ aesmc q2,q2
vld1.32 {q0},[r2]!
subs r3,r3,#2
.byte 0x02,0x43,0xb0,0xf3 @ aese q2,q1
.byte 0x84,0x43,0xb0,0xf3 @ aesmc q2,q2
vld1.32 {q1},[r2]!
bgt .Loop_enc
.byte 0x00,0x43,0xb0,0xf3 @ aese q2,q0
.byte 0x84,0x43,0xb0,0xf3 @ aesmc q2,q2
vld1.32 {q0},[r2]
.byte 0x02,0x43,0xb0,0xf3 @ aese q2,q1
veor q2,q2,q0
vst1.8 {q2},[r1]
bx lr
.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 r3,[r2,#240]
vld1.32 {q0},[r2]!
vld1.8 {q2},[r0]
sub r3,r3,#2
vld1.32 {q1},[r2]!
.Loop_dec:
.byte 0x40,0x43,0xb0,0xf3 @ aesd q2,q0
.byte 0xc4,0x43,0xb0,0xf3 @ aesimc q2,q2
vld1.32 {q0},[r2]!
subs r3,r3,#2
.byte 0x42,0x43,0xb0,0xf3 @ aesd q2,q1
.byte 0xc4,0x43,0xb0,0xf3 @ aesimc q2,q2
vld1.32 {q1},[r2]!
bgt .Loop_dec
.byte 0x40,0x43,0xb0,0xf3 @ aesd q2,q0
.byte 0xc4,0x43,0xb0,0xf3 @ aesimc q2,q2
vld1.32 {q0},[r2]
.byte 0x42,0x43,0xb0,0xf3 @ aesd q2,q1
veor q2,q2,q0
vst1.8 {q2},[r1]
bx lr
.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:
mov ip,sp
stmdb sp!,{r4,r5,r6,r7,r8,lr}
vstmdb sp!,{d8,d9,d10,d11,d12,d13,d14,d15} @ ABI specification says so
ldmia ip,{r4,r5} @ load remaining args
subs r2,r2,#16
mov r8,#16
blo .Lcbc_abort
moveq r8,#0
cmp r5,#0 @ en- or decrypting?
ldr r5,[r3,#240]
and r2,r2,#-16
vld1.8 {q6},[r4]
vld1.8 {q0},[r0],r8
vld1.32 {q8,q9},[r3] @ load key schedule...
sub r5,r5,#6
add r7,r3,r5,lsl#4 @ pointer to last 7 round keys
sub r5,r5,#2
vld1.32 {q10,q11},[r7]!
vld1.32 {q12,q13},[r7]!
vld1.32 {q14,q15},[r7]!
vld1.32 {q7},[r7]
add r7,r3,#32
mov r6,r5
beq .Lcbc_dec
cmp r5,#2
veor q0,q0,q6
veor q5,q8,q7
beq .Lcbc_enc128
vld1.32 {q2,q3},[r7]
add r7,r3,#16
add r6,r3,#16*4
add r12,r3,#16*5
.byte 0x20,0x03,0xb0,0xf3 @ aese q0,q8
.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0
add r14,r3,#16*6
add r3,r3,#16*7
b .Lenter_cbc_enc
.align 4
.Loop_cbc_enc:
.byte 0x20,0x03,0xb0,0xf3 @ aese q0,q8
.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0
vst1.8 {q6},[r1]!
.Lenter_cbc_enc:
.byte 0x22,0x03,0xb0,0xf3 @ aese q0,q9
.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0
.byte 0x04,0x03,0xb0,0xf3 @ aese q0,q2
.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0
vld1.32 {q8},[r6]
cmp r5,#4
.byte 0x06,0x03,0xb0,0xf3 @ aese q0,q3
.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0
vld1.32 {q9},[r12]
beq .Lcbc_enc192
.byte 0x20,0x03,0xb0,0xf3 @ aese q0,q8
.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0
vld1.32 {q8},[r14]
.byte 0x22,0x03,0xb0,0xf3 @ aese q0,q9
.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0
vld1.32 {q9},[r3]
nop
.Lcbc_enc192:
.byte 0x20,0x03,0xb0,0xf3 @ aese q0,q8
.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0
subs r2,r2,#16
.byte 0x22,0x03,0xb0,0xf3 @ aese q0,q9
.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0
moveq r8,#0
.byte 0x24,0x03,0xb0,0xf3 @ aese q0,q10
.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0
.byte 0x26,0x03,0xb0,0xf3 @ aese q0,q11
.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0
vld1.8 {q8},[r0],r8
.byte 0x28,0x03,0xb0,0xf3 @ aese q0,q12
.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0
veor q8,q8,q5
.byte 0x2a,0x03,0xb0,0xf3 @ aese q0,q13
.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0
vld1.32 {q9},[r7] @ re-pre-load rndkey[1]
.byte 0x2c,0x03,0xb0,0xf3 @ aese q0,q14
.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0
.byte 0x2e,0x03,0xb0,0xf3 @ aese q0,q15
veor q6,q0,q7
bhs .Loop_cbc_enc
vst1.8 {q6},[r1]!
b .Lcbc_done
.align 5
.Lcbc_enc128:
vld1.32 {q2,q3},[r7]
.byte 0x20,0x03,0xb0,0xf3 @ aese q0,q8
.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0
b .Lenter_cbc_enc128
.Loop_cbc_enc128:
.byte 0x20,0x03,0xb0,0xf3 @ aese q0,q8
.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0
vst1.8 {q6},[r1]!
.Lenter_cbc_enc128:
.byte 0x22,0x03,0xb0,0xf3 @ aese q0,q9
.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0
subs r2,r2,#16
.byte 0x04,0x03,0xb0,0xf3 @ aese q0,q2
.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0
moveq r8,#0
.byte 0x06,0x03,0xb0,0xf3 @ aese q0,q3
.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0
.byte 0x24,0x03,0xb0,0xf3 @ aese q0,q10
.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0
.byte 0x26,0x03,0xb0,0xf3 @ aese q0,q11
.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0
vld1.8 {q8},[r0],r8
.byte 0x28,0x03,0xb0,0xf3 @ aese q0,q12
.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0
.byte 0x2a,0x03,0xb0,0xf3 @ aese q0,q13
.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0
.byte 0x2c,0x03,0xb0,0xf3 @ aese q0,q14
.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0
veor q8,q8,q5
.byte 0x2e,0x03,0xb0,0xf3 @ aese q0,q15
veor q6,q0,q7
bhs .Loop_cbc_enc128
vst1.8 {q6},[r1]!
b .Lcbc_done
.align 5
.Lcbc_dec:
vld1.8 {q10},[r0]!
subs r2,r2,#32 @ bias
add r6,r5,#2
vorr q3,q0,q0
vorr q1,q0,q0
vorr q11,q10,q10
blo .Lcbc_dec_tail
vorr q1,q10,q10
vld1.8 {q10},[r0]!
vorr q2,q0,q0
vorr q3,q1,q1
vorr q11,q10,q10
.Loop3x_cbc_dec:
.byte 0x60,0x03,0xb0,0xf3 @ aesd q0,q8
.byte 0xc0,0x03,0xb0,0xf3 @ aesimc q0,q0
.byte 0x60,0x23,0xb0,0xf3 @ aesd q1,q8
.byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1
.byte 0x60,0x43,0xf0,0xf3 @ aesd q10,q8
.byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10
vld1.32 {q8},[r7]!
subs r6,r6,#2
.byte 0x62,0x03,0xb0,0xf3 @ aesd q0,q9
.byte 0xc0,0x03,0xb0,0xf3 @ aesimc q0,q0
.byte 0x62,0x23,0xb0,0xf3 @ aesd q1,q9
.byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1
.byte 0x62,0x43,0xf0,0xf3 @ aesd q10,q9
.byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10
vld1.32 {q9},[r7]!
bgt .Loop3x_cbc_dec
.byte 0x60,0x03,0xb0,0xf3 @ aesd q0,q8
.byte 0xc0,0x03,0xb0,0xf3 @ aesimc q0,q0
.byte 0x60,0x23,0xb0,0xf3 @ aesd q1,q8
.byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1
.byte 0x60,0x43,0xf0,0xf3 @ aesd q10,q8
.byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10
veor q4,q6,q7
subs r2,r2,#0x30
veor q5,q2,q7
movlo r6,r2 @ r6, r6, is zero at this point
.byte 0x62,0x03,0xb0,0xf3 @ aesd q0,q9
.byte 0xc0,0x03,0xb0,0xf3 @ aesimc q0,q0
.byte 0x62,0x23,0xb0,0xf3 @ aesd q1,q9
.byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1
.byte 0x62,0x43,0xf0,0xf3 @ aesd q10,q9
.byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10
veor q9,q3,q7
add r0,r0,r6 @ r0 is adjusted in such way that
@ at exit from the loop q1-q10
@ are loaded with last "words"
vorr q6,q11,q11
mov r7,r3
.byte 0x68,0x03,0xb0,0xf3 @ aesd q0,q12
.byte 0xc0,0x03,0xb0,0xf3 @ aesimc q0,q0
.byte 0x68,0x23,0xb0,0xf3 @ aesd q1,q12
.byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1
.byte 0x68,0x43,0xf0,0xf3 @ aesd q10,q12
.byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10
vld1.8 {q2},[r0]!
.byte 0x6a,0x03,0xb0,0xf3 @ aesd q0,q13
.byte 0xc0,0x03,0xb0,0xf3 @ aesimc q0,q0
.byte 0x6a,0x23,0xb0,0xf3 @ aesd q1,q13
.byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1
.byte 0x6a,0x43,0xf0,0xf3 @ aesd q10,q13
.byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10
vld1.8 {q3},[r0]!
.byte 0x6c,0x03,0xb0,0xf3 @ aesd q0,q14
.byte 0xc0,0x03,0xb0,0xf3 @ aesimc q0,q0
.byte 0x6c,0x23,0xb0,0xf3 @ aesd q1,q14
.byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1
.byte 0x6c,0x43,0xf0,0xf3 @ aesd q10,q14
.byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10
vld1.8 {q11},[r0]!
.byte 0x6e,0x03,0xb0,0xf3 @ aesd q0,q15
.byte 0x6e,0x23,0xb0,0xf3 @ aesd q1,q15
.byte 0x6e,0x43,0xf0,0xf3 @ aesd q10,q15
vld1.32 {q8},[r7]! @ re-pre-load rndkey[0]
add r6,r5,#2
veor q4,q4,q0
veor q5,q5,q1
veor q10,q10,q9
vld1.32 {q9},[r7]! @ re-pre-load rndkey[1]
vst1.8 {q4},[r1]!
vorr q0,q2,q2
vst1.8 {q5},[r1]!
vorr q1,q3,q3
vst1.8 {q10},[r1]!
vorr q10,q11,q11
bhs .Loop3x_cbc_dec
cmn r2,#0x30
beq .Lcbc_done
nop
.Lcbc_dec_tail:
.byte 0x60,0x23,0xb0,0xf3 @ aesd q1,q8
.byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1
.byte 0x60,0x43,0xf0,0xf3 @ aesd q10,q8
.byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10
vld1.32 {q8},[r7]!
subs r6,r6,#2
.byte 0x62,0x23,0xb0,0xf3 @ aesd q1,q9
.byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1
.byte 0x62,0x43,0xf0,0xf3 @ aesd q10,q9
.byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10
vld1.32 {q9},[r7]!
bgt .Lcbc_dec_tail
.byte 0x60,0x23,0xb0,0xf3 @ aesd q1,q8
.byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1
.byte 0x60,0x43,0xf0,0xf3 @ aesd q10,q8
.byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10
.byte 0x62,0x23,0xb0,0xf3 @ aesd q1,q9
.byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1
.byte 0x62,0x43,0xf0,0xf3 @ aesd q10,q9
.byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10
.byte 0x68,0x23,0xb0,0xf3 @ aesd q1,q12
.byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1
.byte 0x68,0x43,0xf0,0xf3 @ aesd q10,q12
.byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10
cmn r2,#0x20
.byte 0x6a,0x23,0xb0,0xf3 @ aesd q1,q13
.byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1
.byte 0x6a,0x43,0xf0,0xf3 @ aesd q10,q13
.byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10
veor q5,q6,q7
.byte 0x6c,0x23,0xb0,0xf3 @ aesd q1,q14
.byte 0xc2,0x23,0xb0,0xf3 @ aesimc q1,q1
.byte 0x6c,0x43,0xf0,0xf3 @ aesd q10,q14
.byte 0xe4,0x43,0xf0,0xf3 @ aesimc q10,q10
veor q9,q3,q7
.byte 0x6e,0x23,0xb0,0xf3 @ aesd q1,q15
.byte 0x6e,0x43,0xf0,0xf3 @ aesd q10,q15
beq .Lcbc_dec_one
veor q5,q5,q1
veor q9,q9,q10
vorr q6,q11,q11
vst1.8 {q5},[r1]!
vst1.8 {q9},[r1]!
b .Lcbc_done
.Lcbc_dec_one:
veor q5,q5,q10
vorr q6,q11,q11
vst1.8 {q5},[r1]!
.Lcbc_done:
vst1.8 {q6},[r4]
.Lcbc_abort:
vldmia sp!,{d8,d9,d10,d11,d12,d13,d14,d15}
ldmia sp!,{r4,r5,r6,r7,r8,pc}
.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:
mov ip,sp
stmdb sp!,{r4,r5,r6,r7,r8,r9,r10,lr}
vstmdb sp!,{d8,d9,d10,d11,d12,d13,d14,d15} @ ABI specification says so
ldr r4, [ip] @ load remaining arg
ldr r5,[r3,#240]
ldr r8, [r4, #12]
vld1.32 {q0},[r4]
vld1.32 {q8,q9},[r3] @ load key schedule...
sub r5,r5,#4
mov r12,#16
cmp r2,#2
add r7,r3,r5,lsl#4 @ pointer to last 5 round keys
sub r5,r5,#2
vld1.32 {q12,q13},[r7]!
vld1.32 {q14,q15},[r7]!
vld1.32 {q7},[r7]
add r7,r3,#32
mov r6,r5
movlo r12,#0
@ 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
@ could write to q1 and q10 directly, but that trips this bugs.
@ We write to q6 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 r8, r8
#endif
add r10, r8, #1
vorr q6,q0,q0
rev r10, r10
vmov.32 d13[1],r10
add r8, r8, #2
vorr q1,q6,q6
bls .Lctr32_tail
rev r12, r8
vmov.32 d13[1],r12
sub r2,r2,#3 @ bias
vorr q10,q6,q6
b .Loop3x_ctr32
.align 4
.Loop3x_ctr32:
.byte 0x20,0x03,0xb0,0xf3 @ aese q0,q8
.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0
.byte 0x20,0x23,0xb0,0xf3 @ aese q1,q8
.byte 0x82,0x23,0xb0,0xf3 @ aesmc q1,q1
.byte 0x20,0x43,0xf0,0xf3 @ aese q10,q8
.byte 0xa4,0x43,0xf0,0xf3 @ aesmc q10,q10
vld1.32 {q8},[r7]!
subs r6,r6,#2
.byte 0x22,0x03,0xb0,0xf3 @ aese q0,q9
.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0
.byte 0x22,0x23,0xb0,0xf3 @ aese q1,q9
.byte 0x82,0x23,0xb0,0xf3 @ aesmc q1,q1
.byte 0x22,0x43,0xf0,0xf3 @ aese q10,q9
.byte 0xa4,0x43,0xf0,0xf3 @ aesmc q10,q10
vld1.32 {q9},[r7]!
bgt .Loop3x_ctr32
.byte 0x20,0x03,0xb0,0xf3 @ aese q0,q8
.byte 0x80,0x83,0xb0,0xf3 @ aesmc q4,q0
.byte 0x20,0x23,0xb0,0xf3 @ aese q1,q8
.byte 0x82,0xa3,0xb0,0xf3 @ aesmc q5,q1
vld1.8 {q2},[r0]!
add r9,r8,#1
.byte 0x20,0x43,0xf0,0xf3 @ aese q10,q8
.byte 0xa4,0x43,0xf0,0xf3 @ aesmc q10,q10
vld1.8 {q3},[r0]!
rev r9,r9
.byte 0x22,0x83,0xb0,0xf3 @ aese q4,q9
.byte 0x88,0x83,0xb0,0xf3 @ aesmc q4,q4
.byte 0x22,0xa3,0xb0,0xf3 @ aese q5,q9
.byte 0x8a,0xa3,0xb0,0xf3 @ aesmc q5,q5
vld1.8 {q11},[r0]!
mov r7,r3
.byte 0x22,0x43,0xf0,0xf3 @ aese q10,q9
.byte 0xa4,0x23,0xf0,0xf3 @ aesmc q9,q10
.byte 0x28,0x83,0xb0,0xf3 @ aese q4,q12
.byte 0x88,0x83,0xb0,0xf3 @ aesmc q4,q4
.byte 0x28,0xa3,0xb0,0xf3 @ aese q5,q12
.byte 0x8a,0xa3,0xb0,0xf3 @ aesmc q5,q5
veor q2,q2,q7
add r10,r8,#2
.byte 0x28,0x23,0xf0,0xf3 @ aese q9,q12
.byte 0xa2,0x23,0xf0,0xf3 @ aesmc q9,q9
veor q3,q3,q7
add r8,r8,#3
.byte 0x2a,0x83,0xb0,0xf3 @ aese q4,q13
.byte 0x88,0x83,0xb0,0xf3 @ aesmc q4,q4
.byte 0x2a,0xa3,0xb0,0xf3 @ aese q5,q13
.byte 0x8a,0xa3,0xb0,0xf3 @ aesmc q5,q5
@ Note the logic to update q0, q1, and q1 is written to work
@ around a bug in ARM Cortex-A57 and Cortex-A72 cores running in
@ 32-bit mode. See the comment above.
veor q11,q11,q7
vmov.32 d13[1], r9
.byte 0x2a,0x23,0xf0,0xf3 @ aese q9,q13
.byte 0xa2,0x23,0xf0,0xf3 @ aesmc q9,q9
vorr q0,q6,q6
rev r10,r10
.byte 0x2c,0x83,0xb0,0xf3 @ aese q4,q14
.byte 0x88,0x83,0xb0,0xf3 @ aesmc q4,q4
vmov.32 d13[1], r10
rev r12,r8
.byte 0x2c,0xa3,0xb0,0xf3 @ aese q5,q14
.byte 0x8a,0xa3,0xb0,0xf3 @ aesmc q5,q5
vorr q1,q6,q6
vmov.32 d13[1], r12
.byte 0x2c,0x23,0xf0,0xf3 @ aese q9,q14
.byte 0xa2,0x23,0xf0,0xf3 @ aesmc q9,q9
vorr q10,q6,q6
subs r2,r2,#3
.byte 0x2e,0x83,0xb0,0xf3 @ aese q4,q15
.byte 0x2e,0xa3,0xb0,0xf3 @ aese q5,q15
.byte 0x2e,0x23,0xf0,0xf3 @ aese q9,q15
veor q2,q2,q4
vld1.32 {q8},[r7]! @ re-pre-load rndkey[0]
vst1.8 {q2},[r1]!
veor q3,q3,q5
mov r6,r5
vst1.8 {q3},[r1]!
veor q11,q11,q9
vld1.32 {q9},[r7]! @ re-pre-load rndkey[1]
vst1.8 {q11},[r1]!
bhs .Loop3x_ctr32
adds r2,r2,#3
beq .Lctr32_done
cmp r2,#1
mov r12,#16
moveq r12,#0
.Lctr32_tail:
.byte 0x20,0x03,0xb0,0xf3 @ aese q0,q8
.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0
.byte 0x20,0x23,0xb0,0xf3 @ aese q1,q8
.byte 0x82,0x23,0xb0,0xf3 @ aesmc q1,q1
vld1.32 {q8},[r7]!
subs r6,r6,#2
.byte 0x22,0x03,0xb0,0xf3 @ aese q0,q9
.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0
.byte 0x22,0x23,0xb0,0xf3 @ aese q1,q9
.byte 0x82,0x23,0xb0,0xf3 @ aesmc q1,q1
vld1.32 {q9},[r7]!
bgt .Lctr32_tail
.byte 0x20,0x03,0xb0,0xf3 @ aese q0,q8
.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0
.byte 0x20,0x23,0xb0,0xf3 @ aese q1,q8
.byte 0x82,0x23,0xb0,0xf3 @ aesmc q1,q1
.byte 0x22,0x03,0xb0,0xf3 @ aese q0,q9
.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0
.byte 0x22,0x23,0xb0,0xf3 @ aese q1,q9
.byte 0x82,0x23,0xb0,0xf3 @ aesmc q1,q1
vld1.8 {q2},[r0],r12
.byte 0x28,0x03,0xb0,0xf3 @ aese q0,q12
.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0
.byte 0x28,0x23,0xb0,0xf3 @ aese q1,q12
.byte 0x82,0x23,0xb0,0xf3 @ aesmc q1,q1
vld1.8 {q3},[r0]
.byte 0x2a,0x03,0xb0,0xf3 @ aese q0,q13
.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0
.byte 0x2a,0x23,0xb0,0xf3 @ aese q1,q13
.byte 0x82,0x23,0xb0,0xf3 @ aesmc q1,q1
veor q2,q2,q7
.byte 0x2c,0x03,0xb0,0xf3 @ aese q0,q14
.byte 0x80,0x03,0xb0,0xf3 @ aesmc q0,q0
.byte 0x2c,0x23,0xb0,0xf3 @ aese q1,q14
.byte 0x82,0x23,0xb0,0xf3 @ aesmc q1,q1
veor q3,q3,q7
.byte 0x2e,0x03,0xb0,0xf3 @ aese q0,q15
.byte 0x2e,0x23,0xb0,0xf3 @ aese q1,q15
cmp r2,#1
veor q2,q2,q0
veor q3,q3,q1
vst1.8 {q2},[r1]!
beq .Lctr32_done
vst1.8 {q3},[r1]
.Lctr32_done:
vldmia sp!,{d8,d9,d10,d11,d12,d13,d14,d15}
ldmia sp!,{r4,r5,r6,r7,r8,r9,r10,pc}
.size aes_hw_ctr32_encrypt_blocks,.-aes_hw_ctr32_encrypt_blocks
#endif
#endif // !OPENSSL_NO_ASM && defined(OPENSSL_ARM) && defined(__ELF__)