From 4a0e319af86c0d38304535293f6fc32fe436ef1d Mon Sep 17 00:00:00 2001 From: "Jason A. Donenfeld" Date: Tue, 28 Aug 2018 23:50:35 -0600 Subject: crypto: import zinc --- src/crypto/poly1305-mips64.S | 357 ------------------------------------------- 1 file changed, 357 deletions(-) delete mode 100644 src/crypto/poly1305-mips64.S (limited to 'src/crypto/poly1305-mips64.S') diff --git a/src/crypto/poly1305-mips64.S b/src/crypto/poly1305-mips64.S deleted file mode 100644 index 1a45fbe..0000000 --- a/src/crypto/poly1305-mips64.S +++ /dev/null @@ -1,357 +0,0 @@ -/* SPDX-License-Identifier: OpenSSL OR (BSD-3-Clause OR GPL-2.0) - * - * Copyright (C) 2015-2018 Jason A. Donenfeld . All Rights Reserved. - * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved. - */ - -#if !defined(CONFIG_64BIT) -#error "This is only for 64-bit kernels." -#endif - -#ifdef __MIPSEB__ -#define MSB 0 -#define LSB 7 -#else -#define MSB 7 -#define LSB 0 -#endif - -#if defined(CONFIG_CPU_MIPS64_R6) || defined(CONFIG_CPU_MIPSR6) -#define dmultu(rs,rt) -#define mflo(rd,rs,rt) dmulu rd,rs,rt -#define mfhi(rd,rs,rt) dmuhu rd,rs,rt -#else -#define dmultu(rs,rt) dmultu rs,rt -#define multu(rs,rt) multu rs,rt -#define mflo(rd,rs,rt) mflo rd -#define mfhi(rd,rs,rt) mfhi rd -#endif - -.text -.set noat -.set noreorder - -/* While most of the assembly in the kernel prefers ENTRY() and ENDPROC(), - * there is no existing MIPS assembly that uses it, and MIPS assembler seems - * to like its own .ent/.end notation, which the MIPS include files don't - * provide in a MIPS-specific ENTRY/ENDPROC definition. So, we skip these - * for now, until somebody complains. */ - -.align 5 -.globl poly1305_init_mips -.ent poly1305_init_mips -poly1305_init_mips: - .frame $29,0,$31 - .set reorder - - sd $0,0($4) - sd $0,8($4) - sd $0,16($4) - - beqz $5,.Lno_key - -#if defined(CONFIG_CPU_MIPS64_R6) || defined(CONFIG_CPU_MIPSR6) - ld $8,0($5) - ld $9,8($5) -#else - ldl $8,0+MSB($5) - ldl $9,8+MSB($5) - ldr $8,0+LSB($5) - ldr $9,8+LSB($5) -#endif -#ifdef __MIPSEB__ -#if defined(CONFIG_CPU_MIPS64_R2) || defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPS64_R6) || defined(CONFIG_CPU_MIPSR6) - dsbh $8,$8 # byte swap - dsbh $9,$9 - dshd $8,$8 - dshd $9,$9 -#else - ori $10,$0,0xFF - dsll $1,$10,32 - or $10,$1 # 0x000000FF000000FF - - and $11,$8,$10 # byte swap - and $2,$9,$10 - dsrl $1,$8,24 - dsrl $24,$9,24 - dsll $11,24 - dsll $2,24 - and $1,$10 - and $24,$10 - dsll $10,8 # 0x0000FF000000FF00 - or $11,$1 - or $2,$24 - and $1,$8,$10 - and $24,$9,$10 - dsrl $8,8 - dsrl $9,8 - dsll $1,8 - dsll $24,8 - and $8,$10 - and $9,$10 - or $11,$1 - or $2,$24 - or $8,$11 - or $9,$2 - dsrl $11,$8,32 - dsrl $2,$9,32 - dsll $8,32 - dsll $9,32 - or $8,$11 - or $9,$2 -#endif -#endif - li $10,1 - dsll $10,32 - daddiu $10,-63 - dsll $10,28 - daddiu $10,-1 # 0ffffffc0fffffff - - and $8,$10 - daddiu $10,-3 # 0ffffffc0ffffffc - and $9,$10 - - sd $8,24($4) - dsrl $10,$9,2 - sd $9,32($4) - daddu $10,$9 # s1 = r1 + (r1 >> 2) - sd $10,40($4) - -.Lno_key: - li $2,0 # return 0 - jr $31 -.end poly1305_init_mips - -.align 5 -.globl poly1305_blocks_mips -.ent poly1305_blocks_mips -poly1305_blocks_mips: - .set noreorder - dsrl $6,4 # number of complete blocks - bnez $6,poly1305_blocks_internal - nop - jr $31 - nop -.end poly1305_blocks_mips - -.align 5 -.ent poly1305_blocks_internal -poly1305_blocks_internal: - .frame $29,6*8,$31 - .mask 0x00030000,-8 - .set noreorder - dsubu $29,6*8 - sd $17,40($29) - sd $16,32($29) - .set reorder - - ld $12,0($4) # load hash value - ld $13,8($4) - ld $14,16($4) - - ld $15,24($4) # load key - ld $16,32($4) - ld $17,40($4) - -.Loop: -#if defined(CONFIG_CPU_MIPS64_R6) || defined(CONFIG_CPU_MIPSR6) - ld $8,0($5) # load input - ld $9,8($5) -#else - ldl $8,0+MSB($5) # load input - ldl $9,8+MSB($5) - ldr $8,0+LSB($5) - ldr $9,8+LSB($5) -#endif - daddiu $6,-1 - daddiu $5,16 -#ifdef __MIPSEB__ -#if defined(CONFIG_CPU_MIPS64_R2) || defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPS64_R6) || defined(CONFIG_CPU_MIPSR6) - dsbh $8,$8 # byte swap - dsbh $9,$9 - dshd $8,$8 - dshd $9,$9 -#else - ori $10,$0,0xFF - dsll $1,$10,32 - or $10,$1 # 0x000000FF000000FF - - and $11,$8,$10 # byte swap - and $2,$9,$10 - dsrl $1,$8,24 - dsrl $24,$9,24 - dsll $11,24 - dsll $2,24 - and $1,$10 - and $24,$10 - dsll $10,8 # 0x0000FF000000FF00 - or $11,$1 - or $2,$24 - and $1,$8,$10 - and $24,$9,$10 - dsrl $8,8 - dsrl $9,8 - dsll $1,8 - dsll $24,8 - and $8,$10 - and $9,$10 - or $11,$1 - or $2,$24 - or $8,$11 - or $9,$2 - dsrl $11,$8,32 - dsrl $2,$9,32 - dsll $8,32 - dsll $9,32 - or $8,$11 - or $9,$2 -#endif -#endif - daddu $12,$8 # accumulate input - daddu $13,$9 - sltu $10,$12,$8 - sltu $11,$13,$9 - daddu $13,$10 - - dmultu ($15,$12) # h0*r0 - daddu $14,$7 - sltu $10,$13,$10 - mflo ($8,$15,$12) - mfhi ($9,$15,$12) - - dmultu ($17,$13) # h1*5*r1 - daddu $10,$11 - daddu $14,$10 - mflo ($10,$17,$13) - mfhi ($11,$17,$13) - - dmultu ($16,$12) # h0*r1 - daddu $8,$10 - daddu $9,$11 - mflo ($1,$16,$12) - mfhi ($25,$16,$12) - sltu $10,$8,$10 - daddu $9,$10 - - dmultu ($15,$13) # h1*r0 - daddu $9,$1 - sltu $1,$9,$1 - mflo ($10,$15,$13) - mfhi ($11,$15,$13) - daddu $25,$1 - - dmultu ($17,$14) # h2*5*r1 - daddu $9,$10 - daddu $25,$11 - mflo ($1,$17,$14) - - dmultu ($15,$14) # h2*r0 - sltu $10,$9,$10 - daddu $25,$10 - mflo ($2,$15,$14) - - daddu $9,$1 - daddu $25,$2 - sltu $1,$9,$1 - daddu $25,$1 - - li $10,-4 # final reduction - and $10,$25 - dsrl $11,$25,2 - andi $14,$25,3 - daddu $10,$11 - daddu $12,$8,$10 - sltu $10,$12,$10 - daddu $13,$9,$10 - sltu $10,$13,$10 - daddu $14,$14,$10 - - bnez $6,.Loop - - sd $12,0($4) # store hash value - sd $13,8($4) - sd $14,16($4) - - .set noreorder - ld $17,40($29) # epilogue - ld $16,32($29) - jr $31 - daddu $29,6*8 -.end poly1305_blocks_internal - -.align 5 -.globl poly1305_emit_mips -.ent poly1305_emit_mips -poly1305_emit_mips: - .frame $29,0,$31 - .set reorder - - ld $10,0($4) - ld $11,8($4) - ld $1,16($4) - - daddiu $8,$10,5 # compare to modulus - sltiu $2,$8,5 - daddu $9,$11,$2 - sltu $2,$9,$2 - daddu $1,$1,$2 - - dsrl $1,2 # see if it carried/borrowed - dsubu $1,$0,$1 - nor $2,$0,$1 - - and $8,$1 - and $10,$2 - and $9,$1 - and $11,$2 - or $8,$10 - or $9,$11 - - lwu $10,0($6) # load nonce - lwu $11,4($6) - lwu $1,8($6) - lwu $2,12($6) - dsll $11,32 - dsll $2,32 - or $10,$11 - or $1,$2 - - daddu $8,$10 # accumulate nonce - daddu $9,$1 - sltu $10,$8,$10 - daddu $9,$10 - - dsrl $10,$8,8 # write mac value - dsrl $11,$8,16 - dsrl $1,$8,24 - sb $8,0($5) - dsrl $2,$8,32 - sb $10,1($5) - dsrl $10,$8,40 - sb $11,2($5) - dsrl $11,$8,48 - sb $1,3($5) - dsrl $1,$8,56 - sb $2,4($5) - dsrl $2,$9,8 - sb $10,5($5) - dsrl $10,$9,16 - sb $11,6($5) - dsrl $11,$9,24 - sb $1,7($5) - - sb $9,8($5) - dsrl $1,$9,32 - sb $2,9($5) - dsrl $2,$9,40 - sb $10,10($5) - dsrl $10,$9,48 - sb $11,11($5) - dsrl $11,$9,56 - sb $1,12($5) - sb $2,13($5) - sb $10,14($5) - sb $11,15($5) - - jr $31 -.end poly1305_emit_mips -- cgit v1.2.3-59-g8ed1b