diff options
Diffstat (limited to 'mpi')
| -rw-r--r-- | mpi/armv6/mpi-asm-defs.h | 4 | ||||
| -rw-r--r-- | mpi/armv6/mpih-add1.S | 76 | ||||
| -rw-r--r-- | mpi/armv6/mpih-mul1.S | 80 | ||||
| -rw-r--r-- | mpi/armv6/mpih-mul2.S | 94 | ||||
| -rw-r--r-- | mpi/armv6/mpih-mul3.S | 97 | ||||
| -rw-r--r-- | mpi/armv6/mpih-sub1.S | 77 | ||||
| -rw-r--r-- | mpi/config.links | 15 |
7 files changed, 443 insertions, 0 deletions
diff --git a/mpi/armv6/mpi-asm-defs.h b/mpi/armv6/mpi-asm-defs.h new file mode 100644 index 00000000..047d1f5a --- /dev/null +++ b/mpi/armv6/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/mpi/armv6/mpih-add1.S b/mpi/armv6/mpih-add1.S new file mode 100644 index 00000000..60ea4c32 --- /dev/null +++ b/mpi/armv6/mpih-add1.S @@ -0,0 +1,76 @@ +/* ARMv6 add_n -- Add two limb vectors of the same length > 0 and store + * sum in a third limb vector. + * + * Copyright © 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/mpi/armv6/mpih-mul1.S b/mpi/armv6/mpih-mul1.S new file mode 100644 index 00000000..ae19a153 --- /dev/null +++ b/mpi/armv6/mpih-mul1.S @@ -0,0 +1,80 @@ +/* ARMv6 mul_1 -- Multiply a limb vector with a limb and store the result in + * a second limb vector. + * + * Copyright © 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: + mov %r9, #0; + ldm %r1!, {%r5, %r6, %r7, %r8}; + mov %r10, #0; + umlal %r4, %r9, %r5, %r3; + mov %r11, #0; + umlal %r9, %r10, %r6, %r3; + mov %lr, #0; + umlal %r10, %r11, %r7, %r3; + subs %r2, #4; + umlal %r11, %lr, %r8, %r3; + stm %r0!, {%r4, %r9, %r10, %r11}; + mov %r4, %lr; + 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/mpi/armv6/mpih-mul2.S b/mpi/armv6/mpih-mul2.S new file mode 100644 index 00000000..02f7c07e --- /dev/null +++ b/mpi/armv6/mpih-mul2.S @@ -0,0 +1,94 @@ +/* ARMv6 mul_2 -- Multiply a limb vector with a limb and add the result to + * a second limb vector. + * + * Copyright © 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: + ldm %r0, {%r4, %r6, %r8, %r10}; + ldr %r5, [%r1], #4; + + 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/mpi/armv6/mpih-mul3.S b/mpi/armv6/mpih-mul3.S new file mode 100644 index 00000000..e42fc304 --- /dev/null +++ b/mpi/armv6/mpih-mul3.S @@ -0,0 +1,97 @@ +/* ARMv6 mul_3 -- Multiply a limb vector with a limb and subtract the result + * from a second limb vector. + * + * Copyright © 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; + ldm %r0, {%r4, %r6, %r8, %r10}; + + mov %r9, #0; + umlal %lr, %r9, %r5, %r3; + ldr %r5, [%r1], #4; + sbcs %r4, %r4, %lr; + + mov %lr, #0; + umlal %r9, %lr, %r5, %r3; + ldr %r5, [%r1], #4; + sbcs %r6, %r6, %r9; + + mov %r9, #0; + umlal %lr, %r9, %r5, %r3; + 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/mpi/armv6/mpih-sub1.S b/mpi/armv6/mpih-sub1.S new file mode 100644 index 00000000..77d05eb6 --- /dev/null +++ b/mpi/armv6/mpih-sub1.S @@ -0,0 +1,77 @@ +/* ARMv6 sub_n -- Subtract two limb vectors of the same length > 0 and store + * sum in a third limb vector. + * + * Copyright © 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; diff --git a/mpi/config.links b/mpi/config.links index bcc6e3ea..f3002557 100644 --- a/mpi/config.links +++ b/mpi/config.links @@ -136,6 +136,21 @@ case "${host}" in mpi_extra_modules="udiv-qrnnd" mpi_cpu_arch="alpha" ;; + arm*-*-*) + if test "$gcry_cv_gcc_arm_platform_as_ok" = "yes" ; then + if test "$gcry_cv_cc_arm_arch_is_v6" = "yes" ; then + echo '/* configured for armv6 */' >>./mpi/asm-syntax.h + path="armv6" + mpi_cpu_arch="armv6" + else + echo '/* No assembler modules configured */' >>./mpi/asm-syntax.h + path="" + fi + else + echo '/* No assembler modules configured */' >>./mpi/asm-syntax.h + path="" + fi + ;; hppa7000*-*-*) echo '/* configured for HPPA (pa7000) */' >>./mpi/asm-syntax.h path="hppa1.1 hppa" |