ZeroTierOne/zeroidc/vendor/ring/pregenerated/aesv8-armx-linux64.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__)
#include <GFp/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	GFp_aes_hw_set_encrypt_key
.hidden	GFp_aes_hw_set_encrypt_key
.type	GFp_aes_hw_set_encrypt_key,%function
.align	5
GFp_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
	// 192-bit key support was removed.
	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

// 192-bit key support was removed.

.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	GFp_aes_hw_set_encrypt_key,.-GFp_aes_hw_set_encrypt_key
.globl	GFp_aes_hw_encrypt
.hidden	GFp_aes_hw_encrypt
.type	GFp_aes_hw_encrypt,%function
.align	5
GFp_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	GFp_aes_hw_encrypt,.-GFp_aes_hw_encrypt
.globl	GFp_aes_hw_decrypt
.hidden	GFp_aes_hw_decrypt
.type	GFp_aes_hw_decrypt,%function
.align	5
GFp_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	GFp_aes_hw_decrypt,.-GFp_aes_hw_decrypt
.globl	GFp_aes_hw_ctr32_encrypt_blocks
.hidden	GFp_aes_hw_ctr32_encrypt_blocks
.type	GFp_aes_hw_ctr32_encrypt_blocks,%function
.align	5
GFp_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	GFp_aes_hw_ctr32_encrypt_blocks,.-GFp_aes_hw_ctr32_encrypt_blocks
#endif
#endif
#endif  // !OPENSSL_NO_ASM
.section	.note.GNU-stack,"",%progbits