CoCalc -- des

GitHub Repository: torvalds/linux
Path: blob/master/arch/sparc/crypto/des_asm.S
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/* SPDX-License-Identifier: GPL-2.0 */
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#include <linux/linkage.h>
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#include <asm/opcodes.h>
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#include <asm/visasm.h>
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	.align	32
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ENTRY(des_sparc64_key_expand)
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	/* %o0=input_key, %o1=output_key */
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	VISEntryHalf
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	ld	[%o0 + 0x00], %f0
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	ld	[%o0 + 0x04], %f1
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	DES_KEXPAND(0, 0, 0)
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	DES_KEXPAND(0, 1, 2)
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	DES_KEXPAND(2, 3, 6)
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	DES_KEXPAND(2, 2, 4)
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	DES_KEXPAND(6, 3, 10)
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	DES_KEXPAND(6, 2, 8)
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	DES_KEXPAND(10, 3, 14)
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	DES_KEXPAND(10, 2, 12)
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	DES_KEXPAND(14, 1, 16)
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	DES_KEXPAND(16, 3, 20)
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	DES_KEXPAND(16, 2, 18)
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	DES_KEXPAND(20, 3, 24)
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	DES_KEXPAND(20, 2, 22)
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	DES_KEXPAND(24, 3, 28)
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	DES_KEXPAND(24, 2, 26)
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	DES_KEXPAND(28, 1, 30)
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	std	%f0, [%o1 + 0x00]
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	std	%f2, [%o1 + 0x08]
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	std	%f4, [%o1 + 0x10]
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	std	%f6, [%o1 + 0x18]
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	std	%f8, [%o1 + 0x20]
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	std	%f10, [%o1 + 0x28]
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	std	%f12, [%o1 + 0x30]
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	std	%f14, [%o1 + 0x38]
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	std	%f16, [%o1 + 0x40]
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	std	%f18, [%o1 + 0x48]
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	std	%f20, [%o1 + 0x50]
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	std	%f22, [%o1 + 0x58]
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	std	%f24, [%o1 + 0x60]
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	std	%f26, [%o1 + 0x68]
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	std	%f28, [%o1 + 0x70]
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	std	%f30, [%o1 + 0x78]
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	retl
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	 VISExitHalf
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ENDPROC(des_sparc64_key_expand)
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	.align	32
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ENTRY(des_sparc64_crypt)
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	/* %o0=key, %o1=input, %o2=output */
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	VISEntry
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	ldd	[%o1 + 0x00], %f32
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	ldd	[%o0 + 0x00], %f0
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	ldd	[%o0 + 0x08], %f2
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	ldd	[%o0 + 0x10], %f4
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	ldd	[%o0 + 0x18], %f6
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	ldd	[%o0 + 0x20], %f8
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	ldd	[%o0 + 0x28], %f10
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	ldd	[%o0 + 0x30], %f12
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	ldd	[%o0 + 0x38], %f14
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	ldd	[%o0 + 0x40], %f16
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	ldd	[%o0 + 0x48], %f18
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	ldd	[%o0 + 0x50], %f20
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	ldd	[%o0 + 0x58], %f22
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	ldd	[%o0 + 0x60], %f24
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	ldd	[%o0 + 0x68], %f26
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	ldd	[%o0 + 0x70], %f28
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	ldd	[%o0 + 0x78], %f30
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	DES_IP(32, 32)
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	DES_ROUND(0, 2, 32, 32)
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	DES_ROUND(4, 6, 32, 32)
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	DES_ROUND(8, 10, 32, 32)
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	DES_ROUND(12, 14, 32, 32)
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	DES_ROUND(16, 18, 32, 32)
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	DES_ROUND(20, 22, 32, 32)
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	DES_ROUND(24, 26, 32, 32)
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	DES_ROUND(28, 30, 32, 32)
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	DES_IIP(32, 32)
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	std	%f32, [%o2 + 0x00]
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	retl
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	 VISExit
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ENDPROC(des_sparc64_crypt)
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	.align	32
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ENTRY(des_sparc64_load_keys)
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	/* %o0=key */
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	VISEntry
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	ldd	[%o0 + 0x00], %f0
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	ldd	[%o0 + 0x08], %f2
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	ldd	[%o0 + 0x10], %f4
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	ldd	[%o0 + 0x18], %f6
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	ldd	[%o0 + 0x20], %f8
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	ldd	[%o0 + 0x28], %f10
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	ldd	[%o0 + 0x30], %f12
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	ldd	[%o0 + 0x38], %f14
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	ldd	[%o0 + 0x40], %f16
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	ldd	[%o0 + 0x48], %f18
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	ldd	[%o0 + 0x50], %f20
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	ldd	[%o0 + 0x58], %f22
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	ldd	[%o0 + 0x60], %f24
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	ldd	[%o0 + 0x68], %f26
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	ldd	[%o0 + 0x70], %f28
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	retl
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	 ldd	[%o0 + 0x78], %f30
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ENDPROC(des_sparc64_load_keys)
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	.align	32
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ENTRY(des_sparc64_ecb_crypt)
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	/* %o0=input, %o1=output, %o2=len */
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1:	ldd	[%o0 + 0x00], %f32
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	add	%o0, 0x08, %o0
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	DES_IP(32, 32)
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	DES_ROUND(0, 2, 32, 32)
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	DES_ROUND(4, 6, 32, 32)
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	DES_ROUND(8, 10, 32, 32)
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	DES_ROUND(12, 14, 32, 32)
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	DES_ROUND(16, 18, 32, 32)
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	DES_ROUND(20, 22, 32, 32)
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	DES_ROUND(24, 26, 32, 32)
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	DES_ROUND(28, 30, 32, 32)
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	DES_IIP(32, 32)
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	std	%f32, [%o1 + 0x00]
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	subcc	%o2, 0x08, %o2
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	bne,pt	%icc, 1b
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	 add	%o1, 0x08, %o1
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	retl
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	 nop
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ENDPROC(des_sparc64_ecb_crypt)
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	.align	32
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ENTRY(des_sparc64_cbc_encrypt)
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	/* %o0=input, %o1=output, %o2=len, %o3=IV */
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	ldd	[%o3 + 0x00], %f32
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1:	ldd	[%o0 + 0x00], %f34
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	fxor	%f32, %f34, %f32
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	DES_IP(32, 32)
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	DES_ROUND(0, 2, 32, 32)
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	DES_ROUND(4, 6, 32, 32)
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	DES_ROUND(8, 10, 32, 32)
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	DES_ROUND(12, 14, 32, 32)
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	DES_ROUND(16, 18, 32, 32)
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	DES_ROUND(20, 22, 32, 32)
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	DES_ROUND(24, 26, 32, 32)
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	DES_ROUND(28, 30, 32, 32)
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	DES_IIP(32, 32)
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	std	%f32, [%o1 + 0x00]
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	add	%o0, 0x08, %o0
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	subcc	%o2, 0x08, %o2
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	bne,pt	%icc, 1b
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	 add	%o1, 0x08, %o1
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	retl
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	 std	%f32, [%o3 + 0x00]
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ENDPROC(des_sparc64_cbc_encrypt)
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	.align	32
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ENTRY(des_sparc64_cbc_decrypt)
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	/* %o0=input, %o1=output, %o2=len, %o3=IV */
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	ldd	[%o3 + 0x00], %f34
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1:	ldd	[%o0 + 0x00], %f36
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	DES_IP(36, 32)
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	DES_ROUND(0, 2, 32, 32)
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	DES_ROUND(4, 6, 32, 32)
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	DES_ROUND(8, 10, 32, 32)
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	DES_ROUND(12, 14, 32, 32)
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	DES_ROUND(16, 18, 32, 32)
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	DES_ROUND(20, 22, 32, 32)
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	DES_ROUND(24, 26, 32, 32)
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	DES_ROUND(28, 30, 32, 32)
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	DES_IIP(32, 32)
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	fxor	%f32, %f34, %f32
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	fsrc2	%f36, %f34
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	std	%f32, [%o1 + 0x00]
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	add	%o0, 0x08, %o0
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	subcc	%o2, 0x08, %o2
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	bne,pt	%icc, 1b
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	 add	%o1, 0x08, %o1
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	retl
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	 std	%f36, [%o3 + 0x00]
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ENDPROC(des_sparc64_cbc_decrypt)
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	.align	32
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ENTRY(des3_ede_sparc64_crypt)
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	/* %o0=key, %o1=input, %o2=output */
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	VISEntry
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	ldd	[%o1 + 0x00], %f32
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	ldd	[%o0 + 0x00], %f0
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	ldd	[%o0 + 0x08], %f2
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	ldd	[%o0 + 0x10], %f4
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	ldd	[%o0 + 0x18], %f6
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	ldd	[%o0 + 0x20], %f8
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	ldd	[%o0 + 0x28], %f10
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	ldd	[%o0 + 0x30], %f12
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	ldd	[%o0 + 0x38], %f14
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	ldd	[%o0 + 0x40], %f16
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	ldd	[%o0 + 0x48], %f18
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	ldd	[%o0 + 0x50], %f20
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	ldd	[%o0 + 0x58], %f22
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	ldd	[%o0 + 0x60], %f24
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	ldd	[%o0 + 0x68], %f26
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	ldd	[%o0 + 0x70], %f28
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	ldd	[%o0 + 0x78], %f30
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	DES_IP(32, 32)
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	DES_ROUND(0, 2, 32, 32)
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	ldd	[%o0 + 0x80], %f0
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	ldd	[%o0 + 0x88], %f2
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	DES_ROUND(4, 6, 32, 32)
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	ldd	[%o0 + 0x90], %f4
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	ldd	[%o0 + 0x98], %f6
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	DES_ROUND(8, 10, 32, 32)
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	ldd	[%o0 + 0xa0], %f8
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	ldd	[%o0 + 0xa8], %f10
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	DES_ROUND(12, 14, 32, 32)
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	ldd	[%o0 + 0xb0], %f12
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	ldd	[%o0 + 0xb8], %f14
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	DES_ROUND(16, 18, 32, 32)
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	ldd	[%o0 + 0xc0], %f16
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	ldd	[%o0 + 0xc8], %f18
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	DES_ROUND(20, 22, 32, 32)
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	ldd	[%o0 + 0xd0], %f20
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	ldd	[%o0 + 0xd8], %f22
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	DES_ROUND(24, 26, 32, 32)
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	ldd	[%o0 + 0xe0], %f24
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	ldd	[%o0 + 0xe8], %f26
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	DES_ROUND(28, 30, 32, 32)
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	ldd	[%o0 + 0xf0], %f28
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	ldd	[%o0 + 0xf8], %f30
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	DES_IIP(32, 32)
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	DES_IP(32, 32)
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	DES_ROUND(0, 2, 32, 32)
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	ldd	[%o0 + 0x100], %f0
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	ldd	[%o0 + 0x108], %f2
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	DES_ROUND(4, 6, 32, 32)
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	ldd	[%o0 + 0x110], %f4
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	ldd	[%o0 + 0x118], %f6
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	DES_ROUND(8, 10, 32, 32)
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	ldd	[%o0 + 0x120], %f8
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	ldd	[%o0 + 0x128], %f10
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	DES_ROUND(12, 14, 32, 32)
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	ldd	[%o0 + 0x130], %f12
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	ldd	[%o0 + 0x138], %f14
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	DES_ROUND(16, 18, 32, 32)
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	ldd	[%o0 + 0x140], %f16
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	ldd	[%o0 + 0x148], %f18
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	DES_ROUND(20, 22, 32, 32)
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	ldd	[%o0 + 0x150], %f20
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	ldd	[%o0 + 0x158], %f22
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	DES_ROUND(24, 26, 32, 32)
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	ldd	[%o0 + 0x160], %f24
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	ldd	[%o0 + 0x168], %f26
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	DES_ROUND(28, 30, 32, 32)
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	ldd	[%o0 + 0x170], %f28
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	ldd	[%o0 + 0x178], %f30
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	DES_IIP(32, 32)
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	DES_IP(32, 32)
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	DES_ROUND(0, 2, 32, 32)
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	DES_ROUND(4, 6, 32, 32)
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	DES_ROUND(8, 10, 32, 32)
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	DES_ROUND(12, 14, 32, 32)
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	DES_ROUND(16, 18, 32, 32)
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	DES_ROUND(20, 22, 32, 32)
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	DES_ROUND(24, 26, 32, 32)
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	DES_ROUND(28, 30, 32, 32)
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	DES_IIP(32, 32)
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265
	std	%f32, [%o2 + 0x00]
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	retl
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	 VISExit
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ENDPROC(des3_ede_sparc64_crypt)
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270
	.align	32
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ENTRY(des3_ede_sparc64_load_keys)
272
	/* %o0=key */
273
	VISEntry
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	ldd	[%o0 + 0x00], %f0
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	ldd	[%o0 + 0x08], %f2
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	ldd	[%o0 + 0x10], %f4
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	ldd	[%o0 + 0x18], %f6
278
	ldd	[%o0 + 0x20], %f8
279
	ldd	[%o0 + 0x28], %f10
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	ldd	[%o0 + 0x30], %f12
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	ldd	[%o0 + 0x38], %f14
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	ldd	[%o0 + 0x40], %f16
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	ldd	[%o0 + 0x48], %f18
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	ldd	[%o0 + 0x50], %f20
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	ldd	[%o0 + 0x58], %f22
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	ldd	[%o0 + 0x60], %f24
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	ldd	[%o0 + 0x68], %f26
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	ldd	[%o0 + 0x70], %f28
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	ldd	[%o0 + 0x78], %f30
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	ldd	[%o0 + 0x80], %f32
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	ldd	[%o0 + 0x88], %f34
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	ldd	[%o0 + 0x90], %f36
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	ldd	[%o0 + 0x98], %f38
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	ldd	[%o0 + 0xa0], %f40
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	ldd	[%o0 + 0xa8], %f42
296
	ldd	[%o0 + 0xb0], %f44
297
	ldd	[%o0 + 0xb8], %f46
298
	ldd	[%o0 + 0xc0], %f48
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	ldd	[%o0 + 0xc8], %f50
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	ldd	[%o0 + 0xd0], %f52
301
	ldd	[%o0 + 0xd8], %f54
302
	ldd	[%o0 + 0xe0], %f56
303
	retl
304
	 ldd	[%o0 + 0xe8], %f58
305
ENDPROC(des3_ede_sparc64_load_keys)
306

307
#define DES3_LOOP_BODY(X) \
308
	DES_IP(X, X) \
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	DES_ROUND(0, 2, X, X) \
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	DES_ROUND(4, 6, X, X) \
311
	DES_ROUND(8, 10, X, X) \
312
	DES_ROUND(12, 14, X, X) \
313
	DES_ROUND(16, 18, X, X) \
314
	ldd	[%o0 + 0xf0], %f16; \
315
	ldd	[%o0 + 0xf8], %f18; \
316
	DES_ROUND(20, 22, X, X) \
317
	ldd	[%o0 + 0x100], %f20; \
318
	ldd	[%o0 + 0x108], %f22; \
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	DES_ROUND(24, 26, X, X) \
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	ldd	[%o0 + 0x110], %f24; \
321
	ldd	[%o0 + 0x118], %f26; \
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	DES_ROUND(28, 30, X, X) \
323
	ldd	[%o0 + 0x120], %f28; \
324
	ldd	[%o0 + 0x128], %f30; \
325
	DES_IIP(X, X) \
326
	DES_IP(X, X) \
327
	DES_ROUND(32, 34, X, X) \
328
	ldd	[%o0 + 0x130], %f0; \
329
	ldd	[%o0 + 0x138], %f2; \
330
	DES_ROUND(36, 38, X, X) \
331
	ldd	[%o0 + 0x140], %f4; \
332
	ldd	[%o0 + 0x148], %f6; \
333
	DES_ROUND(40, 42, X, X) \
334
	ldd	[%o0 + 0x150], %f8; \
335
	ldd	[%o0 + 0x158], %f10; \
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	DES_ROUND(44, 46, X, X) \
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	ldd	[%o0 + 0x160], %f12; \
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	ldd	[%o0 + 0x168], %f14; \
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	DES_ROUND(48, 50, X, X) \
340
	DES_ROUND(52, 54, X, X) \
341
	DES_ROUND(56, 58, X, X) \
342
	DES_ROUND(16, 18, X, X) \
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	ldd	[%o0 + 0x170], %f16; \
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	ldd	[%o0 + 0x178], %f18; \
345
	DES_IIP(X, X) \
346
	DES_IP(X, X) \
347
	DES_ROUND(20, 22, X, X) \
348
	ldd	[%o0 + 0x50], %f20; \
349
	ldd	[%o0 + 0x58], %f22; \
350
	DES_ROUND(24, 26, X, X) \
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	ldd	[%o0 + 0x60], %f24; \
352
	ldd	[%o0 + 0x68], %f26; \
353
	DES_ROUND(28, 30, X, X) \
354
	ldd	[%o0 + 0x70], %f28; \
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	ldd	[%o0 + 0x78], %f30; \
356
	DES_ROUND(0, 2, X, X) \
357
	ldd	[%o0 + 0x00], %f0; \
358
	ldd	[%o0 + 0x08], %f2; \
359
	DES_ROUND(4, 6, X, X) \
360
	ldd	[%o0 + 0x10], %f4; \
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	ldd	[%o0 + 0x18], %f6; \
362
	DES_ROUND(8, 10, X, X) \
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	ldd	[%o0 + 0x20], %f8; \
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	ldd	[%o0 + 0x28], %f10; \
365
	DES_ROUND(12, 14, X, X) \
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	ldd	[%o0 + 0x30], %f12; \
367
	ldd	[%o0 + 0x38], %f14; \
368
	DES_ROUND(16, 18, X, X) \
369
	ldd	[%o0 + 0x40], %f16; \
370
	ldd	[%o0 + 0x48], %f18; \
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	DES_IIP(X, X)
372

373
	.align	32
374
ENTRY(des3_ede_sparc64_ecb_crypt)
375
	/* %o0=key, %o1=input, %o2=output, %o3=len */
376
1:	ldd	[%o1 + 0x00], %f60
377
	DES3_LOOP_BODY(60)
378
	std	%f60, [%o2 + 0x00]
379
	add	%o1, 0x08, %o1
380
	subcc	%o3, 0x08, %o3
381
	bne,pt	%icc, 1b
382
	 add	%o2, 0x08, %o2
383
	retl
384
	 nop
385
ENDPROC(des3_ede_sparc64_ecb_crypt)
386

387
	.align	32
388
ENTRY(des3_ede_sparc64_cbc_encrypt)
389
	/* %o0=key, %o1=input, %o2=output, %o3=len, %o4=IV */
390
	ldd	[%o4 + 0x00], %f60
391
1:	ldd	[%o1 + 0x00], %f62
392
	fxor	%f60, %f62, %f60
393
	DES3_LOOP_BODY(60)
394
	std	%f60, [%o2 + 0x00]
395
	add	%o1, 0x08, %o1
396
	subcc	%o3, 0x08, %o3
397
	bne,pt	%icc, 1b
398
	 add	%o2, 0x08, %o2
399
	retl
400
	 std	%f60, [%o4 + 0x00]
401
ENDPROC(des3_ede_sparc64_cbc_encrypt)
402

403
	.align	32
404
ENTRY(des3_ede_sparc64_cbc_decrypt)
405
	/* %o0=key, %o1=input, %o2=output, %o3=len, %o4=IV */
406
	ldd	[%o4 + 0x00], %f62
407
1:	ldx	[%o1 + 0x00], %g1
408
	MOVXTOD_G1_F60
409
	DES3_LOOP_BODY(60)
410
	fxor	%f62, %f60, %f60
411
	MOVXTOD_G1_F62
412
	std	%f60, [%o2 + 0x00]
413
	add	%o1, 0x08, %o1
414
	subcc	%o3, 0x08, %o3
415
	bne,pt	%icc, 1b
416
	 add	%o2, 0x08, %o2
417
	retl
418
	 stx	%g1, [%o4 + 0x00]
419
ENDPROC(des3_ede_sparc64_cbc_decrypt)
420

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