diff options
Diffstat (limited to 'libotr/libgcrypt-1.8.7/mpi/arm')
| -rw-r--r-- | libotr/libgcrypt-1.8.7/mpi/arm/distfiles | 6 | ||||
| -rw-r--r-- | libotr/libgcrypt-1.8.7/mpi/arm/mpi-asm-defs.h | 4 | ||||
| -rw-r--r-- | libotr/libgcrypt-1.8.7/mpi/arm/mpih-add1.S | 76 | ||||
| -rw-r--r-- | libotr/libgcrypt-1.8.7/mpi/arm/mpih-mul1.S | 80 | ||||
| -rw-r--r-- | libotr/libgcrypt-1.8.7/mpi/arm/mpih-mul2.S | 94 | ||||
| -rw-r--r-- | libotr/libgcrypt-1.8.7/mpi/arm/mpih-mul3.S | 100 | ||||
| -rw-r--r-- | libotr/libgcrypt-1.8.7/mpi/arm/mpih-sub1.S | 77 |
7 files changed, 437 insertions, 0 deletions
diff --git a/libotr/libgcrypt-1.8.7/mpi/arm/distfiles b/libotr/libgcrypt-1.8.7/mpi/arm/distfiles new file mode 100644 index 0000000..27a2ca5 --- /dev/null +++ b/libotr/libgcrypt-1.8.7/mpi/arm/distfiles @@ -0,0 +1,6 @@ +mpi-asm-defs.h +mpih-add1.S +mpih-mul1.S +mpih-mul2.S +mpih-mul3.S +mpih-sub1.S diff --git a/libotr/libgcrypt-1.8.7/mpi/arm/mpi-asm-defs.h b/libotr/libgcrypt-1.8.7/mpi/arm/mpi-asm-defs.h new file mode 100644 index 0000000..047d1f5 --- /dev/null +++ b/libotr/libgcrypt-1.8.7/mpi/arm/mpi-asm-defs.h @@ -0,0 +1,4 @@ +/* This file defines some basic constants for the MPI machinery. We + * need to define the types on a per-CPU basis, so it is done with + * this file here. */ +#define BYTES_PER_MPI_LIMB (SIZEOF_UNSIGNED_LONG) diff --git a/libotr/libgcrypt-1.8.7/mpi/arm/mpih-add1.S b/libotr/libgcrypt-1.8.7/mpi/arm/mpih-add1.S new file mode 100644 index 0000000..09e8b3b --- /dev/null +++ b/libotr/libgcrypt-1.8.7/mpi/arm/mpih-add1.S @@ -0,0 +1,76 @@ +/* ARM add_n -- Add two limb vectors of the same length > 0 and store + * sum in a third limb vector. + * + * Copyright (C) 2013 Jussi Kivilinna <jussi.kivilinna@iki.fi> + * + * This file is part of Libgcrypt. + * + * Libgcrypt is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * Libgcrypt is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this program; if not, see <http://www.gnu.org/licenses/>. + * + * Note: This code is heavily based on the GNU MP Library (version 4.2.1). + */ + +#include "sysdep.h" +#include "asm-syntax.h" + +.syntax unified +.arm + +/******************* + * mpi_limb_t + * _gcry_mpih_add_n( mpi_ptr_t res_ptr, %r0 + * mpi_ptr_t s1_ptr, %r1 + * mpi_ptr_t s2_ptr, %r2 + * mpi_size_t size) %r3 + */ + +.text + +.globl _gcry_mpih_add_n +.type _gcry_mpih_add_n,%function +_gcry_mpih_add_n: + push {%r4, %r5, %r6, %r7, %r8, %r9, %r10, %lr}; + cmn %r0, #0; /* clear carry flag */ + + tst %r3, #3; + beq .Large_loop; + +.Loop: + ldr %r4, [%r1], #4; + sub %r3, #1; + ldr %lr, [%r2], #4; + adcs %r4, %lr; + tst %r3, #3; + str %r4, [%r0], #4; + bne .Loop; + + teq %r3, #0; + beq .Lend; + +.Large_loop: + ldm %r1!, {%r4, %r6, %r8, %r10}; + ldm %r2!, {%r5, %r7, %r9, %lr}; + sub %r3, #4; + adcs %r4, %r5; + adcs %r6, %r7; + adcs %r8, %r9; + adcs %r10, %lr; + teq %r3, #0; + stm %r0!, {%r4, %r6, %r8, %r10}; + bne .Large_loop; + +.Lend: + adc %r0, %r3, #0; + pop {%r4, %r5, %r6, %r7, %r8, %r9, %r10, %pc}; +.size _gcry_mpih_add_n,.-_gcry_mpih_add_n; diff --git a/libotr/libgcrypt-1.8.7/mpi/arm/mpih-mul1.S b/libotr/libgcrypt-1.8.7/mpi/arm/mpih-mul1.S new file mode 100644 index 0000000..c2e2854 --- /dev/null +++ b/libotr/libgcrypt-1.8.7/mpi/arm/mpih-mul1.S @@ -0,0 +1,80 @@ +/* ARM mul_1 -- Multiply a limb vector with a limb and store the result in + * a second limb vector. + * + * Copyright (C) 2013 Jussi Kivilinna <jussi.kivilinna@iki.fi> + * + * This file is part of Libgcrypt. + * + * Libgcrypt is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * Libgcrypt is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this program; if not, see <http://www.gnu.org/licenses/>. + * + * Note: This code is heavily based on the GNU MP Library (version 4.2.1). + */ + +#include "sysdep.h" +#include "asm-syntax.h" + +.syntax unified +.arm + +/******************* + * mpi_limb_t + * _gcry_mpih_mul_1( mpi_ptr_t res_ptr, %r0 + * mpi_ptr_t s1_ptr, %r1 + * mpi_size_t s1_size, %r2 + * mpi_limb_t s2_limb) %r3 + */ + +.text + +.globl _gcry_mpih_mul_1 +.type _gcry_mpih_mul_1,%function +_gcry_mpih_mul_1: + push {%r4, %r5, %r6, %r7, %r8, %r9, %r10, %r11, %lr}; + mov %r4, #0; + + tst %r2, #3; + beq .Large_loop; + +.Loop: + ldr %r5, [%r1], #4; + mov %lr, #0; + umlal %r4, %lr, %r5, %r3; + sub %r2, #1; + str %r4, [%r0], #4; + tst %r2, #3; + mov %r4, %lr; + bne .Loop; + + teq %r2, #0; + beq .Lend; + +.Large_loop: + ldm %r1!, {%r5, %r6, %r7, %r8}; + mov %r9, #0; + mov %r10, #0; + umlal %r4, %r9, %r5, %r3; + mov %r11, #0; + umlal %r9, %r10, %r6, %r3; + str %r4, [%r0], #4; + mov %r4, #0; + umlal %r10, %r11, %r7, %r3; + subs %r2, #4; + umlal %r11, %r4, %r8, %r3; + stm %r0!, {%r9, %r10, %r11}; + bne .Large_loop; + +.Lend: + mov %r0, %r4; + pop {%r4, %r5, %r6, %r7, %r8, %r9, %r10, %r11, %pc}; +.size _gcry_mpih_mul_1,.-_gcry_mpih_mul_1; diff --git a/libotr/libgcrypt-1.8.7/mpi/arm/mpih-mul2.S b/libotr/libgcrypt-1.8.7/mpi/arm/mpih-mul2.S new file mode 100644 index 0000000..bce932e --- /dev/null +++ b/libotr/libgcrypt-1.8.7/mpi/arm/mpih-mul2.S @@ -0,0 +1,94 @@ +/* ARM mul_2 -- Multiply a limb vector with a limb and add the result to + * a second limb vector. + * + * Copyright (C) 2013 Jussi Kivilinna <jussi.kivilinna@iki.fi> + * + * This file is part of Libgcrypt. + * + * Libgcrypt is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * Libgcrypt is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this program; if not, see <http://www.gnu.org/licenses/>. + * + * Note: This code is heavily based on the GNU MP Library (version 4.2.1). + */ + +#include "sysdep.h" +#include "asm-syntax.h" + +.syntax unified +.arm + +/******************* + * mpi_limb_t + * _gcry_mpih_addmul_1( mpi_ptr_t res_ptr, %r0 + * mpi_ptr_t s1_ptr, %r1 + * mpi_size_t s1_size, %r2 + * mpi_limb_t s2_limb) %r3 + */ + +.text + +.globl _gcry_mpih_addmul_1 +.type _gcry_mpih_addmul_1,%function +_gcry_mpih_addmul_1: + push {%r4, %r5, %r6, %r8, %r10, %lr}; + mov %lr, #0; + cmn %r0, #0; /* clear carry flag */ + + tst %r2, #3; + beq .Large_loop; +.Loop: + ldr %r5, [%r1], #4; + ldr %r4, [%r0]; + sub %r2, #1; + adcs %r4, %lr; + mov %lr, #0; + umlal %r4, %lr, %r5, %r3; + tst %r2, #3; + str %r4, [%r0], #4; + bne .Loop; + + teq %r2, #0; + beq .Lend; + +.Large_loop: + ldr %r5, [%r1], #4; + ldm %r0, {%r4, %r6, %r8, %r10}; + + sub %r2, #4; + adcs %r4, %lr; + mov %lr, #0; + umlal %r4, %lr, %r5, %r3; + + ldr %r5, [%r1], #4; + adcs %r6, %lr; + mov %lr, #0; + umlal %r6, %lr, %r5, %r3; + + ldr %r5, [%r1], #4; + adcs %r8, %lr; + mov %lr, #0; + umlal %r8, %lr, %r5, %r3; + + ldr %r5, [%r1], #4; + adcs %r10, %lr; + mov %lr, #0; + umlal %r10, %lr, %r5, %r3; + + teq %r2, #0; + stm %r0!, {%r4, %r6, %r8, %r10}; + bne .Large_loop; + +.Lend: + adc %r0, %lr, #0; + pop {%r4, %r5, %r6, %r8, %r10, %pc}; +.size _gcry_mpih_addmul_1,.-_gcry_mpih_addmul_1; diff --git a/libotr/libgcrypt-1.8.7/mpi/arm/mpih-mul3.S b/libotr/libgcrypt-1.8.7/mpi/arm/mpih-mul3.S new file mode 100644 index 0000000..33326c7 --- /dev/null +++ b/libotr/libgcrypt-1.8.7/mpi/arm/mpih-mul3.S @@ -0,0 +1,100 @@ +/* ARM mul_3 -- Multiply a limb vector with a limb and subtract the result + * from a second limb vector. + * + * Copyright (C) 2013 Jussi Kivilinna <jussi.kivilinna@iki.fi> + * + * This file is part of Libgcrypt. + * + * Libgcrypt is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * Libgcrypt is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this program; if not, see <http://www.gnu.org/licenses/>. + * + * Note: This code is heavily based on the GNU MP Library (version 4.2.1). + */ + +#include "sysdep.h" +#include "asm-syntax.h" + +.syntax unified +.arm + +/******************* + * mpi_limb_t + * _gcry_mpih_submul_1( mpi_ptr_t res_ptr, %r0 + * mpi_ptr_t s1_ptr, %r1 + * mpi_size_t s1_size, %r2 + * mpi_limb_t s2_limb) %r3 + */ + +.text + +.globl _gcry_mpih_submul_1 +.type _gcry_mpih_submul_1,%function +_gcry_mpih_submul_1: + push {%r4, %r5, %r6, %r8, %r9, %r10, %lr}; + mov %lr, #0; + cmp %r0, #0; /* prepare carry flag for sbc */ + + tst %r2, #3; + beq .Large_loop; +.Loop: + ldr %r5, [%r1], #4; + mov %r4, %lr; + mov %lr, #0; + ldr %r6, [%r0]; + umlal %r4, %lr, %r5, %r3; + sub %r2, #1; + sbcs %r4, %r6, %r4; + tst %r2, #3; + str %r4, [%r0], #4; + bne .Loop; + + teq %r2, #0; + beq .Lend; + +.Large_loop: + ldr %r5, [%r1], #4; + mov %r9, #0; + ldr %r4, [%r0, #0]; + + umlal %lr, %r9, %r5, %r3; + ldr %r6, [%r0, #4]; + ldr %r5, [%r1], #4; + sbcs %r4, %r4, %lr; + + mov %lr, #0; + umlal %r9, %lr, %r5, %r3; + ldr %r8, [%r0, #8]; + ldr %r5, [%r1], #4; + sbcs %r6, %r6, %r9; + + mov %r9, #0; + umlal %lr, %r9, %r5, %r3; + ldr %r10, [%r0, #12]; + ldr %r5, [%r1], #4; + sbcs %r8, %r8, %lr; + + mov %lr, #0; + umlal %r9, %lr, %r5, %r3; + sub %r2, #4; + sbcs %r10, %r10, %r9; + + teq %r2, #0; + stm %r0!, {%r4, %r6, %r8, %r10}; + bne .Large_loop; + +.Lend: + it cc + movcc %r2, #1; + add %r0, %lr, %r2; + pop {%r4, %r5, %r6, %r8, %r9, %r10, %pc}; +.size _gcry_mpih_submul_1,.-_gcry_mpih_submul_1; diff --git a/libotr/libgcrypt-1.8.7/mpi/arm/mpih-sub1.S b/libotr/libgcrypt-1.8.7/mpi/arm/mpih-sub1.S new file mode 100644 index 0000000..593e3cd --- /dev/null +++ b/libotr/libgcrypt-1.8.7/mpi/arm/mpih-sub1.S @@ -0,0 +1,77 @@ +/* ARM sub_n -- Subtract two limb vectors of the same length > 0 and store + * sum in a third limb vector. + * + * Copyright (C) 2013 Jussi Kivilinna <jussi.kivilinna@iki.fi> + * + * This file is part of Libgcrypt. + * + * Libgcrypt is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * Libgcrypt is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this program; if not, see <http://www.gnu.org/licenses/>. + * + * Note: This code is heavily based on the GNU MP Library (version 4.2.1). + */ + +#include "sysdep.h" +#include "asm-syntax.h" + +.syntax unified +.arm + +/******************* + * mpi_limb_t + * _gcry_mpih_sub_n( mpi_ptr_t res_ptr, %r0 + * mpi_ptr_t s1_ptr, %r1 + * mpi_ptr_t s2_ptr, %r2 + * mpi_size_t size) %r3 + */ + +.text + +.globl _gcry_mpih_sub_n +.type _gcry_mpih_sub_n,%function +_gcry_mpih_sub_n: + push {%r4, %r5, %r6, %r7, %r8, %r9, %r10, %lr}; + cmp %r0, #0; /* prepare carry flag for sub */ + + tst %r3, #3; + beq .Large_loop; + +.Loop: + ldr %r4, [%r1], #4; + sub %r3, #1; + ldr %lr, [%r2], #4; + sbcs %r4, %lr; + tst %r3, #3; + str %r4, [%r0], #4; + bne .Loop; + + teq %r3, #0; + beq .Lend; + +.Large_loop: + ldm %r1!, {%r4, %r6, %r8, %r10}; + sub %r3, #4; + ldm %r2!, {%r5, %r7, %r9, %lr}; + sbcs %r4, %r5; + sbcs %r6, %r7; + sbcs %r8, %r9; + sbcs %r10, %lr; + teq %r3, #0; + stm %r0!, {%r4, %r6, %r8, %r10}; + bne .Large_loop; + +.Lend: + sbc %r0, %r3, #0; + neg %r0, %r0; + pop {%r4, %r5, %r6, %r7, %r8, %r9, %r10, %pc}; +.size _gcry_mpih_sub_n,.-_gcry_mpih_sub_n; |