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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:29:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:29:51 +0000 |
commit | 6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e (patch) | |
tree | 32451fa3cdd9321fb2591fada9891b2cb70a9cd1 /grub-core/lib/libgcrypt/mpi/power | |
parent | Initial commit. (diff) | |
download | grub2-6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e.tar.xz grub2-6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e.zip |
Adding upstream version 2.06.upstream/2.06upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
20 files changed, 1806 insertions, 0 deletions
diff --git a/grub-core/lib/libgcrypt/mpi/power/Manifest b/grub-core/lib/libgcrypt/mpi/power/Manifest new file mode 100644 index 0000000..c60fc23 --- /dev/null +++ b/grub-core/lib/libgcrypt/mpi/power/Manifest @@ -0,0 +1,27 @@ +# Manifest - checksums +# Copyright 2003 Free Software Foundation, Inc. +# +# 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, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + +mpih-add1.S +mpih-lshift.S +mpih-mul1.S +mpih-mul2.S +mpih-mul3.S +mpih-rshift.S +mpih-sub1.S +$names$ iQCVAwUAP+LmXTEAnp832S/7AQJ+ngP/XYr5Fvl/8WGVHcIKaehxvnKcSD2ILTWZNGubgnWp8ebIxVijjQCxYneTTy+zO0sNaB002neyscyiwaJj/JQIwZXfr06uGweIqlSpwpj9ndkoJc8E4/FZu+5NTO+E3RaBDAD+Tpo+MTfbC1s18p5i+an93VrSTgNck5PPYQrUcPA==sl3t diff --git a/grub-core/lib/libgcrypt/mpi/power/distfiles b/grub-core/lib/libgcrypt/mpi/power/distfiles new file mode 100644 index 0000000..e1bc008 --- /dev/null +++ b/grub-core/lib/libgcrypt/mpi/power/distfiles @@ -0,0 +1,8 @@ +Manifest +mpih-add1.S +mpih-lshift.S +mpih-mul1.S +mpih-mul2.S +mpih-mul3.S +mpih-rshift.S +mpih-sub1.S diff --git a/grub-core/lib/libgcrypt/mpi/power/mpih-add1.S b/grub-core/lib/libgcrypt/mpi/power/mpih-add1.S new file mode 100644 index 0000000..876b56c --- /dev/null +++ b/grub-core/lib/libgcrypt/mpi/power/mpih-add1.S @@ -0,0 +1,87 @@ +/* IBM POWER add_n -- Add two limb vectors of equal, non-zero length. + * + * Copyright (C) 1992, 1994, 1996, 1999, + * 2002 Free Software Foundation, Inc. + * + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + */ + +#include "sysdep.h" +#include "asm-syntax.h" + +/* +# INPUT PARAMETERS +# res_ptr r3 +# s1_ptr r4 +# s2_ptr r5 +# size r6 + */ + + .toc + .extern _gcry_mpih_add_n[DS] + .extern ._gcry_mpih_add_n +.csect [PR] + .align 2 + .globl _gcry_mpih_add_n + .globl ._gcry_mpih_add_n + .csect _gcry_mpih_add_n[DS] +_gcry_mpih_add_n: + .long ._gcry_mpih_add_n, TOC[tc0], 0 + .csect [PR] +._gcry_mpih_add_n: + andil. 10,6,1 # odd or even number of limbs? + l 8,0(4) # load least significant s1 limb + l 0,0(5) # load least significant s2 limb + cal 3,-4(3) # offset res_ptr, it's updated before it's used + sri 10,6,1 # count for unrolled loop + a 7,0,8 # add least significant limbs, set cy + mtctr 10 # copy count into CTR + beq 0,Leven # branch if even # of limbs (# of limbs >= 2) + +# We have an odd # of limbs. Add the first limbs separately. + cmpi 1,10,0 # is count for unrolled loop zero? + bne 1,L1 # branch if not + st 7,4(3) + aze 3,10 # use the fact that r10 is zero... + br # return + +# We added least significant limbs. Now reload the next limbs to enter loop. +L1: lu 8,4(4) # load s1 limb and update s1_ptr + lu 0,4(5) # load s2 limb and update s2_ptr + stu 7,4(3) + ae 7,0,8 # add limbs, set cy +Leven: lu 9,4(4) # load s1 limb and update s1_ptr + lu 10,4(5) # load s2 limb and update s2_ptr + bdz Lend # If done, skip loop + +Loop: lu 8,4(4) # load s1 limb and update s1_ptr + lu 0,4(5) # load s2 limb and update s2_ptr + ae 11,9,10 # add previous limbs with cy, set cy + stu 7,4(3) # + lu 9,4(4) # load s1 limb and update s1_ptr + lu 10,4(5) # load s2 limb and update s2_ptr + ae 7,0,8 # add previous limbs with cy, set cy + stu 11,4(3) # + bdn Loop # decrement CTR and loop back + +Lend: ae 11,9,10 # add limbs with cy, set cy + st 7,4(3) # + st 11,8(3) # + lil 3,0 # load cy into ... + aze 3,3 # ... return value register + br + diff --git a/grub-core/lib/libgcrypt/mpi/power/mpih-lshift.S b/grub-core/lib/libgcrypt/mpi/power/mpih-lshift.S new file mode 100644 index 0000000..d9e42da --- /dev/null +++ b/grub-core/lib/libgcrypt/mpi/power/mpih-lshift.S @@ -0,0 +1,64 @@ +/* IBM POWER lshift + * + * Copyright (C) 1992, 1994, 1999, 2002 Free Software Foundation, Inc. + * + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + */ + +#include "sysdep.h" +#include "asm-syntax.h" + +/* +# INPUT PARAMETERS +# res_ptr r3 +# s_ptr r4 +# size r5 +# cnt r6 + */ + + .toc + .extern _gcry_mpih_lshift[DS] + .extern ._gcry_mpih_lshift +.csect [PR] + .align 2 + .globl _gcry_mpih_lshift + .globl ._gcry_mpih_lshift + .csect _gcry_mpih_lshift[DS] +_gcry_mpih_lshift: + .long ._gcry_mpih_lshift, TOC[tc0], 0 + .csect [PR] +._gcry_mpih_lshift: + sli 0,5,2 + cax 9,3,0 + cax 4,4,0 + sfi 8,6,32 + mtctr 5 # put limb count in CTR loop register + lu 0,-4(4) # read most significant limb + sre 3,0,8 # compute carry out limb, and init MQ register + bdz Lend2 # if just one limb, skip loop + lu 0,-4(4) # read 2:nd most significant limb + sreq 7,0,8 # compute most significant limb of result + bdz Lend # if just two limb, skip loop +Loop: lu 0,-4(4) # load next lower limb + stu 7,-4(9) # store previous result during read latency + sreq 7,0,8 # compute result limb + bdn Loop # loop back until CTR is zero +Lend: stu 7,-4(9) # store 2:nd least significant limb +Lend2: sle 7,0,6 # compute least significant limb + st 7,-4(9) # store it + br + diff --git a/grub-core/lib/libgcrypt/mpi/power/mpih-mul1.S b/grub-core/lib/libgcrypt/mpi/power/mpih-mul1.S new file mode 100644 index 0000000..35034fa --- /dev/null +++ b/grub-core/lib/libgcrypt/mpi/power/mpih-mul1.S @@ -0,0 +1,115 @@ +/* IBM POWER mul_1 -- Multiply a limb vector with a limb and store + * the result in a second limb vector. + * + * Copyright (C) 1992, 1994, 1999, 2002 Free Software Foundation, Inc. + * + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + */ + +#include "sysdep.h" +#include "asm-syntax.h" + +/* +# INPUT PARAMETERS +# res_ptr r3 +# s1_ptr r4 +# size r5 +# s2_limb r6 + +# The RS/6000 has no unsigned 32x32->64 bit multiplication instruction. To +# obtain that operation, we have to use the 32x32->64 signed multiplication +# instruction, and add the appropriate compensation to the high limb of the +# result. We add the multiplicand if the multiplier has its most significant +# bit set, and we add the multiplier if the multiplicand has its most +# significant bit set. We need to preserve the carry flag between each +# iteration, so we have to compute the compensation carefully (the natural, +# srai+and doesn't work). Since the POWER architecture has a branch unit +# we can branch in zero cycles, so that's how we perform the additions. + */ + + .toc + .csect ._gcry_mpih_mul_1[PR] + .align 2 + .globl _gcry_mpih_mul_1 + .globl ._gcry_mpih_mul_1 + .csect _gcry_mpih_mul_1[DS] +_gcry_mpih_mul_1: + .long ._gcry_mpih_mul_1[PR], TOC[tc0], 0 + .csect ._gcry_mpih_mul_1[PR] +._gcry_mpih_mul_1: + + cal 3,-4(3) + l 0,0(4) + cmpi 0,6,0 + mtctr 5 + mul 9,0,6 + srai 7,0,31 + and 7,7,6 + mfmq 8 + ai 0,0,0 # reset carry + cax 9,9,7 + blt Lneg +Lpos: bdz Lend +Lploop: lu 0,4(4) + stu 8,4(3) + cmpi 0,0,0 + mul 10,0,6 + mfmq 0 + ae 8,0,9 + bge Lp0 + cax 10,10,6 # adjust high limb for negative limb from s1 +Lp0: bdz Lend0 + lu 0,4(4) + stu 8,4(3) + cmpi 0,0,0 + mul 9,0,6 + mfmq 0 + ae 8,0,10 + bge Lp1 + cax 9,9,6 # adjust high limb for negative limb from s1 +Lp1: bdn Lploop + b Lend + +Lneg: cax 9,9,0 + bdz Lend +Lnloop: lu 0,4(4) + stu 8,4(3) + cmpi 0,0,0 + mul 10,0,6 + cax 10,10,0 # adjust high limb for negative s2_limb + mfmq 0 + ae 8,0,9 + bge Ln0 + cax 10,10,6 # adjust high limb for negative limb from s1 +Ln0: bdz Lend0 + lu 0,4(4) + stu 8,4(3) + cmpi 0,0,0 + mul 9,0,6 + cax 9,9,0 # adjust high limb for negative s2_limb + mfmq 0 + ae 8,0,10 + bge Ln1 + cax 9,9,6 # adjust high limb for negative limb from s1 +Ln1: bdn Lnloop + b Lend + +Lend0: cal 9,0(10) +Lend: st 8,4(3) + aze 3,9 + br + diff --git a/grub-core/lib/libgcrypt/mpi/power/mpih-mul2.S b/grub-core/lib/libgcrypt/mpi/power/mpih-mul2.S new file mode 100644 index 0000000..d056e8f --- /dev/null +++ b/grub-core/lib/libgcrypt/mpi/power/mpih-mul2.S @@ -0,0 +1,130 @@ +/* IBM POWER addmul_1 -- Multiply a limb vector with a limb and add + * the result to a second limb vector. + * + * Copyright (C) 1992, 1994, 1999, 2002 Free Software Foundation, Inc. + * + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + */ + +#include "sysdep.h" +#include "asm-syntax.h" + + + +/* +# INPUT PARAMETERS +# res_ptr r3 +# s1_ptr r4 +# size r5 +# s2_limb r6 + +# The RS/6000 has no unsigned 32x32->64 bit multiplication instruction. To +# obtain that operation, we have to use the 32x32->64 signed multiplication +# instruction, and add the appropriate compensation to the high limb of the +# result. We add the multiplicand if the multiplier has its most significant +# bit set, and we add the multiplier if the multiplicand has its most +# significant bit set. We need to preserve the carry flag between each +# iteration, so we have to compute the compensation carefully (the natural, +# srai+and doesn't work). Since the POWER architecture has a branch unit +# we can branch in zero cycles, so that's how we perform the additions. + */ + + .toc + .csect ._gcry_mpih_addmul_1[PR] + .align 2 + .globl _gcry_mpih_addmul_1 + .globl ._gcry_mpih_addmul_1 + .csect _gcry_mpih_addmul_1[DS] +_gcry_mpih_addmul_1: + .long ._gcry_mpih_addmul_1[PR], TOC[tc0], 0 + .csect ._gcry_mpih_addmul_1[PR] +._gcry_mpih_addmul_1: + + cal 3,-4(3) + l 0,0(4) + cmpi 0,6,0 + mtctr 5 + mul 9,0,6 + srai 7,0,31 + and 7,7,6 + mfmq 8 + cax 9,9,7 + l 7,4(3) + a 8,8,7 # add res_limb + blt Lneg +Lpos: bdz Lend + +Lploop: lu 0,4(4) + stu 8,4(3) + cmpi 0,0,0 + mul 10,0,6 + mfmq 0 + ae 8,0,9 # low limb + old_cy_limb + old cy + l 7,4(3) + aze 10,10 # propagate cy to new cy_limb + a 8,8,7 # add res_limb + bge Lp0 + cax 10,10,6 # adjust high limb for negative limb from s1 +Lp0: bdz Lend0 + lu 0,4(4) + stu 8,4(3) + cmpi 0,0,0 + mul 9,0,6 + mfmq 0 + ae 8,0,10 + l 7,4(3) + aze 9,9 + a 8,8,7 + bge Lp1 + cax 9,9,6 # adjust high limb for negative limb from s1 +Lp1: bdn Lploop + + b Lend + +Lneg: cax 9,9,0 + bdz Lend +Lnloop: lu 0,4(4) + stu 8,4(3) + cmpi 0,0,0 + mul 10,0,6 + mfmq 7 + ae 8,7,9 + l 7,4(3) + ae 10,10,0 # propagate cy to new cy_limb + a 8,8,7 # add res_limb + bge Ln0 + cax 10,10,6 # adjust high limb for negative limb from s1 +Ln0: bdz Lend0 + lu 0,4(4) + stu 8,4(3) + cmpi 0,0,0 + mul 9,0,6 + mfmq 7 + ae 8,7,10 + l 7,4(3) + ae 9,9,0 # propagate cy to new cy_limb + a 8,8,7 # add res_limb + bge Ln1 + cax 9,9,6 # adjust high limb for negative limb from s1 +Ln1: bdn Lnloop + b Lend + +Lend0: cal 9,0(10) +Lend: st 8,4(3) + aze 3,9 + br + diff --git a/grub-core/lib/libgcrypt/mpi/power/mpih-mul3.S b/grub-core/lib/libgcrypt/mpi/power/mpih-mul3.S new file mode 100644 index 0000000..8bc317b --- /dev/null +++ b/grub-core/lib/libgcrypt/mpi/power/mpih-mul3.S @@ -0,0 +1,135 @@ +/* IBM POWER submul_1 -- Multiply a limb vector with a limb and subtract + * the result from a second limb vector. + * + * Copyright (C) 1992, 1994, 1999, 2002 Free Software Foundation, Inc. + * + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + */ + +#include "sysdep.h" +#include "asm-syntax.h" + + +/* + +# INPUT PARAMETERS +# res_ptr r3 +# s1_ptr r4 +# size r5 +# s2_limb r6 + +# The RS/6000 has no unsigned 32x32->64 bit multiplication instruction. To +# obtain that operation, we have to use the 32x32->64 signed multiplication +# instruction, and add the appropriate compensation to the high limb of the +# result. We add the multiplicand if the multiplier has its most significant +# bit set, and we add the multiplier if the multiplicand has its most +# significant bit set. We need to preserve the carry flag between each +# iteration, so we have to compute the compensation carefully (the natural, +# srai+and doesn't work). Since the POWER architecture has a branch unit +# we can branch in zero cycles, so that's how we perform the additions. + */ + + .toc + .csect ._gcry_mpih_submul_1[PR] + .align 2 + .globl _gcry_mpih_submul_1 + .globl ._gcry_mpih_submul_1 + .csect _gcry_mpih_submul_1[DS] +_gcry_mpih_submul_1: + .long ._gcry_mpih_submul_1[PR], TOC[tc0], 0 + .csect ._gcry_mpih_submul_1[PR] +._gcry_mpih_submul_1: + + cal 3,-4(3) + l 0,0(4) + cmpi 0,6,0 + mtctr 5 + mul 9,0,6 + srai 7,0,31 + and 7,7,6 + mfmq 11 + cax 9,9,7 + l 7,4(3) + sf 8,11,7 # add res_limb + a 11,8,11 # invert cy (r11 is junk) + blt Lneg +Lpos: bdz Lend + +Lploop: lu 0,4(4) + stu 8,4(3) + cmpi 0,0,0 + mul 10,0,6 + mfmq 0 + ae 11,0,9 # low limb + old_cy_limb + old cy + l 7,4(3) + aze 10,10 # propagate cy to new cy_limb + sf 8,11,7 # add res_limb + a 11,8,11 # invert cy (r11 is junk) + bge Lp0 + cax 10,10,6 # adjust high limb for negative limb from s1 +Lp0: bdz Lend0 + lu 0,4(4) + stu 8,4(3) + cmpi 0,0,0 + mul 9,0,6 + mfmq 0 + ae 11,0,10 + l 7,4(3) + aze 9,9 + sf 8,11,7 + a 11,8,11 # invert cy (r11 is junk) + bge Lp1 + cax 9,9,6 # adjust high limb for negative limb from s1 +Lp1: bdn Lploop + + b Lend + +Lneg: cax 9,9,0 + bdz Lend +Lnloop: lu 0,4(4) + stu 8,4(3) + cmpi 0,0,0 + mul 10,0,6 + mfmq 7 + ae 11,7,9 + l 7,4(3) + ae 10,10,0 # propagate cy to new cy_limb + sf 8,11,7 # add res_limb + a 11,8,11 # invert cy (r11 is junk) + bge Ln0 + cax 10,10,6 # adjust high limb for negative limb from s1 +Ln0: bdz Lend0 + lu 0,4(4) + stu 8,4(3) + cmpi 0,0,0 + mul 9,0,6 + mfmq 7 + ae 11,7,10 + l 7,4(3) + ae 9,9,0 # propagate cy to new cy_limb + sf 8,11,7 # add res_limb + a 11,8,11 # invert cy (r11 is junk) + bge Ln1 + cax 9,9,6 # adjust high limb for negative limb from s1 +Ln1: bdn Lnloop + b Lend + +Lend0: cal 9,0(10) +Lend: st 8,4(3) + aze 3,9 + br + diff --git a/grub-core/lib/libgcrypt/mpi/power/mpih-rshift.S b/grub-core/lib/libgcrypt/mpi/power/mpih-rshift.S new file mode 100644 index 0000000..f131a86 --- /dev/null +++ b/grub-core/lib/libgcrypt/mpi/power/mpih-rshift.S @@ -0,0 +1,64 @@ +/* IBM POWER rshift + * + * Copyright (C) 1992, 1994, 1999, 2002 Free Software Foundation, Inc. + * + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + */ + +#include "sysdep.h" +#include "asm-syntax.h" + + +/* +# INPUT PARAMETERS +# res_ptr r3 +# s_ptr r4 +# size r5 +# cnt r6 +*/ + + .toc + .extern _gcry_mpih_rshift[DS] + .extern ._gcry_mpih_rshift +.csect [PR] + .align 2 + .globl _gcry_mpih_rshift + .globl ._gcry_mpih_rshift + .csect _gcry_mpih_rshift[DS] +_gcry_mpih_rshift: + .long ._gcry_mpih_rshift, TOC[tc0], 0 + .csect [PR] +._gcry_mpih_rshift: + sfi 8,6,32 + mtctr 5 # put limb count in CTR loop register + l 0,0(4) # read least significant limb + ai 9,3,-4 # adjust res_ptr since it's offset in the stu:s + sle 3,0,8 # compute carry limb, and init MQ register + bdz Lend2 # if just one limb, skip loop + lu 0,4(4) # read 2:nd least significant limb + sleq 7,0,8 # compute least significant limb of result + bdz Lend # if just two limb, skip loop +Loop: lu 0,4(4) # load next higher limb + stu 7,4(9) # store previous result during read latency + sleq 7,0,8 # compute result limb + bdn Loop # loop back until CTR is zero +Lend: stu 7,4(9) # store 2:nd most significant limb +Lend2: sre 7,0,6 # compute most significant limb + st 7,4(9) # store it + br + + diff --git a/grub-core/lib/libgcrypt/mpi/power/mpih-sub1.S b/grub-core/lib/libgcrypt/mpi/power/mpih-sub1.S new file mode 100644 index 0000000..02748fc --- /dev/null +++ b/grub-core/lib/libgcrypt/mpi/power/mpih-sub1.S @@ -0,0 +1,88 @@ +/* IBM POWER sub_n -- Subtract two limb vectors of equal, non-zero length. + * + * Copyright (C) 1992, 1994, 1995, 1996, 1999, + * 2002 Free Software Foundation, Inc. + * + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + */ + +#include "sysdep.h" +#include "asm-syntax.h" + +/* +# INPUT PARAMETERS +# res_ptr r3 +# s1_ptr r4 +# s2_ptr r5 +# size r6 + */ + + .toc + .extern _gcry_mpih_sub_n[DS] + .extern ._gcry_mpih_sub_n +.csect [PR] + .align 2 + .globl _gcry_mpih_sub_n + .globl ._gcry_mpih_sub_n + .csect _gcry_mpih_sub_n[DS] +_gcry_mpih_sub_n: + .long ._gcry_mpih_sub_n, TOC[tc0], 0 + .csect [PR] +._gcry_mpih_sub_n: + andil. 10,6,1 # odd or even number of limbs? + l 8,0(4) # load least significant s1 limb + l 0,0(5) # load least significant s2 limb + cal 3,-4(3) # offset res_ptr, it's updated before it's used + sri 10,6,1 # count for unrolled loop + sf 7,0,8 # subtract least significant limbs, set cy + mtctr 10 # copy count into CTR + beq 0,Leven # branch if even # of limbs (# of limbs >= 2) + +# We have an odd # of limbs. Add the first limbs separately. + cmpi 1,10,0 # is count for unrolled loop zero? + bne 1,L1 # branch if not + st 7,4(3) + sfe 3,0,0 # load !cy into ... + sfi 3,3,0 # ... return value register + br # return + +# We added least significant limbs. Now reload the next limbs to enter loop. +L1: lu 8,4(4) # load s1 limb and update s1_ptr + lu 0,4(5) # load s2 limb and update s2_ptr + stu 7,4(3) + sfe 7,0,8 # subtract limbs, set cy +Leven: lu 9,4(4) # load s1 limb and update s1_ptr + lu 10,4(5) # load s2 limb and update s2_ptr + bdz Lend # If done, skip loop + +Loop: lu 8,4(4) # load s1 limb and update s1_ptr + lu 0,4(5) # load s2 limb and update s2_ptr + sfe 11,10,9 # subtract previous limbs with cy, set cy + stu 7,4(3) # + lu 9,4(4) # load s1 limb and update s1_ptr + lu 10,4(5) # load s2 limb and update s2_ptr + sfe 7,0,8 # subtract previous limbs with cy, set cy + stu 11,4(3) # + bdn Loop # decrement CTR and loop back + +Lend: sfe 11,10,9 # subtract limbs with cy, set cy + st 7,4(3) # + st 11,8(3) # + sfe 3,0,0 # load !cy into ... + sfi 3,3,0 # ... return value register + br + diff --git a/grub-core/lib/libgcrypt/mpi/powerpc32/Manifest b/grub-core/lib/libgcrypt/mpi/powerpc32/Manifest new file mode 100644 index 0000000..26ab6ea --- /dev/null +++ b/grub-core/lib/libgcrypt/mpi/powerpc32/Manifest @@ -0,0 +1,28 @@ +# Manifest - checksums +# Copyright 2003 Free Software Foundation, Inc. +# +# 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, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + +mpih-add1.S +mpih-sub1.S +mpih-mul1.S +mpih-mul2.S +mpih-mul3.S +mpih-lshift.S +mpih-rshift.S +syntax.h +$names$ iQCVAwUAP+LmYzEAnp832S/7AQI/cQP+Mcg9rF/c/bJTY48PE1/ARt7vCMtpIlv9alZSSSrU3WHzCtv9nVczFmwHU3DdKFawigY2DljQcK92dZ5ZlOfpFNMz4PKlVMWaKDk+jKlqm2dxvlHuqEvXPpjFAE2gHrhq5qLXS5ZHeMLJIEK84GYC6fjfLUMdZU3altXTUBvoXhA==Yax+ diff --git a/grub-core/lib/libgcrypt/mpi/powerpc32/distfiles b/grub-core/lib/libgcrypt/mpi/powerpc32/distfiles new file mode 100644 index 0000000..a086614 --- /dev/null +++ b/grub-core/lib/libgcrypt/mpi/powerpc32/distfiles @@ -0,0 +1,10 @@ +Manifest +mpih-add1.S +mpih-sub1.S +mpih-mul1.S +mpih-mul2.S +mpih-mul3.S +mpih-lshift.S +mpih-rshift.S +syntax.h + diff --git a/grub-core/lib/libgcrypt/mpi/powerpc32/mpih-add1.S b/grub-core/lib/libgcrypt/mpi/powerpc32/mpih-add1.S new file mode 100644 index 0000000..1661f5e --- /dev/null +++ b/grub-core/lib/libgcrypt/mpi/powerpc32/mpih-add1.S @@ -0,0 +1,136 @@ +/* PowerPC-32 add_n -- Add two limb vectors of equal, non-zero length. + * + * Copyright (C) 1992, 1994, 1995, 1998, 2002 Free Software Foundation, Inc. + * + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + */ + +#include "sysdep.h" +#include "asm-syntax.h" + + +#ifndef USE_PPC_PATCHES + +/******************* + * mpi_limb_t + * _gcry_mpih_add_n( mpi_ptr_t res_ptr, (r3) + * mpi_ptr_t s1_ptr, (r4) + * mpi_ptr_t s2_ptr, (r5) + * mpi_size_t size) (r6) + */ + + .toc + .extern _gcry_mpih_add_n[DS] + .extern ._gcry_mpih_add_n +.csect [PR] + .align 2 + .globl _gcry_mpih_add_n + .globl ._gcry_mpih_add_n + .csect _gcry_mpih_add_n[DS] +_gcry_mpih_add_n: + .long ._gcry_mpih_add_n, TOC[tc0], 0 + .csect [PR] +._gcry_mpih_add_n: + mtctr 6 # copy size into CTR + lwz 8,0(4) # load least significant s1 limb + lwz 0,0(5) # load least significant s2 limb + addi 3,3,-4 # offset res_ptr, it is updated before used + addc 7,0,8 # add least significant limbs, set cy + bdz Lend # If done, skip loop +Loop: lwzu 8,4(4) # load s1 limb and update s1_ptr + lwzu 0,4(5) # load s2 limb and update s2_ptr + stwu 7,4(3) # store previous limb in load latency slot + adde 7,0,8 # add new limbs with cy, set cy + bdnz Loop # decrement CTR and loop back +Lend: stw 7,4(3) # store ultimate result limb + li 3,0 # load cy into ... + addze 3,3 # ... return value register + blr + +#else +/* Add two limb vectors of equal, non-zero length for PowerPC. + Copyright (C) 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include "sysdep.h" +#include "asm-syntax.h" + + +/* mp_limb_t mpn_add_n (mp_ptr res_ptr, mp_srcptr s1_ptr, mp_srcptr s2_ptr, + mp_size_t size) + Calculate s1+s2 and put result in res_ptr; return carry, 0 or 1. */ + +/* Note on optimisation: This code is optimal for the 601. Almost every other + possible 2-unrolled inner loop will not be. Also, watch out for the + alignment... */ + +EALIGN(_gcry_mpih_add_n,3,0) +/* Set up for loop below. */ + mtcrf 0x01,%r6 + srwi. %r7,%r6,1 + li %r10,0 + mtctr %r7 + bt 31,2f + +/* Clear the carry. */ + addic %r0,%r0,0 +/* Adjust pointers for loop. */ + addi %r3,%r3,-4 + addi %r4,%r4,-4 + addi %r5,%r5,-4 + b 0f + +2: lwz %r7,0(%r5) + lwz %r6,0(%r4) + addc %r6,%r6,%r7 + stw %r6,0(%r3) + beq 1f + +/* The loop. */ + +/* Align start of loop to an odd word boundary to guarantee that the + last two words can be fetched in one access (for 601). */ +0: lwz %r9,4(%r4) + lwz %r8,4(%r5) + lwzu %r6,8(%r4) + lwzu %r7,8(%r5) + adde %r8,%r9,%r8 + stw %r8,4(%r3) + adde %r6,%r6,%r7 + stwu %r6,8(%r3) + bdnz 0b +/* Return the carry. */ +1: addze %r3,%r10 + blr +END(_gcry_mpih_add_n) +#endif + diff --git a/grub-core/lib/libgcrypt/mpi/powerpc32/mpih-lshift.S b/grub-core/lib/libgcrypt/mpi/powerpc32/mpih-lshift.S new file mode 100644 index 0000000..6231095 --- /dev/null +++ b/grub-core/lib/libgcrypt/mpi/powerpc32/mpih-lshift.S @@ -0,0 +1,198 @@ +/* PowerPC-32 lshift + * + * Copyright (C) 1995, 1998, 2002 Free Software Foundation, Inc. + * + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + */ + +#include "sysdep.h" +#include "asm-syntax.h" + + +#ifndef USE_PPC_PATCHES + +/******************* + * mpi_limb_t + * _gcry_mpih_lshift( mpi_ptr_t wp, (r3) + * mpi_ptr_t up, (r4) + * mpi_size_t usize, (r5) + * unsigned cnt) (r6) + */ + + .toc +.csect .text[PR] + .align 2 + .globl _gcry_mpih_lshift + .globl ._gcry_mpih_lshift + .csect _gcry_mpih_lshift[DS] +_gcry_mpih_lshift: + .long ._gcry_mpih_lshift, TOC[tc0], 0 + .csect .text[PR] +._gcry_mpih_lshift: + mtctr 5 # copy size into CTR + slwi 0,5,2 + add 7,3,0 # make r7 point at end of res + add 4,4,0 # make r4 point at end of s1 + subfic 8,6,32 + lwzu 11,-4(4) # load first s1 limb + srw 3,11,8 # compute function return value + bdz Lend1 + +Loop: lwzu 10,-4(4) + slw 9,11,6 + srw 12,10,8 + or 9,9,12 + stwu 9,-4(7) + bdz Lend2 + lwzu 11,-4(4) + slw 9,10,6 + srw 12,11,8 + or 9,9,12 + stwu 9,-4(7) + bdnz Loop + +Lend1: slw 0,11,6 + stw 0,-4(7) + blr + +Lend2: slw 0,10,6 + stw 0,-4(7) + blr + +#else +/* Shift a limb left, low level routine. + Copyright (C) 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +/* mp_limb_t mpn_lshift (mp_ptr wp, mp_srcptr up, mp_size_t usize, + unsigned int cnt) */ + +EALIGN(_gcry_mpih_lshift,3,0) + mtctr %r5 # copy size into CTR + cmplwi %cr0,%r5,16 # is size < 16 + slwi %r0,%r5,2 + add %r7,%r3,%r0 # make r7 point at end of res + add %r4,%r4,%r0 # make r4 point at end of s1 + lwzu %r11,-4(%r4) # load first s1 limb + subfic %r8,%r6,32 + srw %r3,%r11,%r8 # compute function return value + bge %cr0,L(big) # branch if size >= 16 + + bdz L(end1) + +0: lwzu %r10,-4(%r4) + slw %r9,%r11,%r6 + srw %r12,%r10,%r8 + or %r9,%r9,%r12 + stwu %r9,-4(%r7) + bdz L(end2) + lwzu %r11,-4(%r4) + slw %r9,%r10,%r6 + srw %r12,%r11,%r8 + or %r9,%r9,%r12 + stwu %r9,-4(%r7) + bdnz 0b + +L(end1):slw %r0,%r11,%r6 + stw %r0,-4(%r7) + blr + + +/* Guaranteed not to succeed. */ +L(boom): tweq %r0,%r0 + +/* We imitate a case statement, by using (yuk!) fixed-length code chunks, + of size 4*12 bytes. We have to do this (or something) to make this PIC. */ +L(big): mflr %r9 + bltl- %cr0,L(boom) # Never taken, only used to set LR. + slwi %r10,%r6,4 + mflr %r12 + add %r10,%r12,%r10 + slwi %r8,%r6,5 + add %r10,%r8,%r10 + mtctr %r10 + addi %r5,%r5,-1 + mtlr %r9 + bctr + +L(end2):slw %r0,%r10,%r6 + stw %r0,-4(%r7) + blr + +#define DO_LSHIFT(n) \ + mtctr %r5; \ +0: lwzu %r10,-4(%r4); \ + slwi %r9,%r11,n; \ + inslwi %r9,%r10,n,32-n; \ + stwu %r9,-4(%r7); \ + bdz- L(end2); \ + lwzu %r11,-4(%r4); \ + slwi %r9,%r10,n; \ + inslwi %r9,%r11,n,32-n; \ + stwu %r9,-4(%r7); \ + bdnz 0b; \ + b L(end1) + + DO_LSHIFT(1) + DO_LSHIFT(2) + DO_LSHIFT(3) + DO_LSHIFT(4) + DO_LSHIFT(5) + DO_LSHIFT(6) + DO_LSHIFT(7) + DO_LSHIFT(8) + DO_LSHIFT(9) + DO_LSHIFT(10) + DO_LSHIFT(11) + DO_LSHIFT(12) + DO_LSHIFT(13) + DO_LSHIFT(14) + DO_LSHIFT(15) + DO_LSHIFT(16) + DO_LSHIFT(17) + DO_LSHIFT(18) + DO_LSHIFT(19) + DO_LSHIFT(20) + DO_LSHIFT(21) + DO_LSHIFT(22) + DO_LSHIFT(23) + DO_LSHIFT(24) + DO_LSHIFT(25) + DO_LSHIFT(26) + DO_LSHIFT(27) + DO_LSHIFT(28) + DO_LSHIFT(29) + DO_LSHIFT(30) + DO_LSHIFT(31) + +END(_gcry_mpih_lshift) +#endif diff --git a/grub-core/lib/libgcrypt/mpi/powerpc32/mpih-mul1.S b/grub-core/lib/libgcrypt/mpi/powerpc32/mpih-mul1.S new file mode 100644 index 0000000..bd418f7 --- /dev/null +++ b/grub-core/lib/libgcrypt/mpi/powerpc32/mpih-mul1.S @@ -0,0 +1,120 @@ +/* PowerPC-32 mul_1 -- Multiply a limb vector with a limb and store + * the result in a second limb vector. + * + * Copyright (C) 1992, 1993, 1994, 1995, + * 1998, 2002 Free Software Foundation, Inc. + * + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + */ + +#include "sysdep.h" +#include "asm-syntax.h" + + +#ifndef USE_PPC_PATCHES + +/******************* + * mpi_limb_t + * _gcry_mpih_mul_1( mpi_ptr_t res_ptr, (r3) + * mpi_ptr_t s1_ptr, (r4) + * mpi_size_t s1_size, (r5) + * mpi_limb_t s2_limb) (r6) + * + * This is a fairly straightforward implementation. The timing of the PC601 + * is hard to understand, so I will wait to optimize this until I have some + * hardware to play with. + * + * The code trivially generalizes to 64 bit limbs for the PC620. + */ + + .toc + .csect ._gcry_mpih_mul_1[PR] + .align 2 + .globl _gcry_mpih_mul_1 + .globl ._gcry_mpih_mul_1 + .csect _gcry_mpih_mul_1[DS] +_gcry_mpih_mul_1: + .long ._gcry_mpih_mul_1[PR], TOC[tc0], 0 + .csect ._gcry_mpih_mul_1[PR] +._gcry_mpih_mul_1: + mtctr 5 + + lwz 0,0(4) + mullw 7,0,6 + mulhwu 10,0,6 + addi 3,3,-4 # adjust res_ptr + addic 5,5,0 # clear cy with dummy insn + bdz Lend + +Loop: lwzu 0,4(4) + stwu 7,4(3) + mullw 8,0,6 + adde 7,8,10 + mulhwu 10,0,6 + bdnz Loop + +Lend: stw 7,4(3) + addze 3,10 + blr + +#else +/* Multiply a limb vector by a limb, for PowerPC. + Copyright (C) 1993, 1994, 1995, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + + +/* mp_limb_t mpn_mul_1 (mp_ptr res_ptr, mp_srcptr s1_ptr, + mp_size_t s1_size, mp_limb_t s2_limb) + Calculate s1*s2 and put result in res_ptr; return carry. */ + +ENTRY(_gcry_mpih_mul_1) + mtctr %r5 + + lwz %r0,0(%r4) + mullw %r7,%r0,%r6 + mulhwu %r10,%r0,%r6 + addi %r3,%r3,-4 # adjust res_ptr + addic %r5,%r5,0 # clear cy with dummy insn + bdz 1f + +0: lwzu %r0,4(%r4) + stwu %r7,4(%r3) + mullw %r8,%r0,%r6 + adde %r7,%r8,%r10 + mulhwu %r10,%r0,%r6 + bdnz 0b + +1: stw %r7,4(%r3) + addze %r3,%r10 + blr +END(_gcry_mpih_mul_1) +#endif diff --git a/grub-core/lib/libgcrypt/mpi/powerpc32/mpih-mul2.S b/grub-core/lib/libgcrypt/mpi/powerpc32/mpih-mul2.S new file mode 100644 index 0000000..1d97b81 --- /dev/null +++ b/grub-core/lib/libgcrypt/mpi/powerpc32/mpih-mul2.S @@ -0,0 +1,127 @@ +/* PowerPC-32 addmul_1 -- Multiply a limb vector with a limb and add + * the result to a second limb vector. + * + * Copyright (C) 1995, 1998, 2002 Free Software Foundation, Inc. + * + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + */ + +#include "sysdep.h" +#include "asm-syntax.h" + + +#ifndef USE_PPC_PATCHES + +/******************* + * mpi_limb_t + * _gcry_mpih_addmul_1( mpi_ptr_t res_ptr, (r3) + * mpi_ptr_t s1_ptr, (r4) + * mpi_size_t s1_size, (r5) + * mpi_limb_t s2_limb) (r6) + * + * This is a fairly straightforward implementation. The timing of the PC601 + * is hard to understand, so I will wait to optimize this until I have some + * hardware to play with. + * + * The code trivially generalizes to 64 bit limbs for the PC620. + */ + + + .toc + .csect ._gcry_mpih_addmul_1[PR] + .align 2 + .globl _gcry_mpih_addmul_1 + .globl ._gcry_mpih_addmul_1 + .csect _gcry_mpih_addmul_1[DS] +_gcry_mpih_addmul_1: + .long ._gcry_mpih_addmul_1[PR], TOC[tc0], 0 + .csect ._gcry_mpih_addmul_1[PR] +._gcry_mpih_addmul_1: + mtctr 5 + + lwz 0,0(4) + mullw 7,0,6 + mulhwu 10,0,6 + lwz 9,0(3) + addc 8,7,9 + addi 3,3,-4 + bdz Lend + +Loop: lwzu 0,4(4) + stwu 8,4(3) + mullw 8,0,6 + adde 7,8,10 + mulhwu 10,0,6 + lwz 9,4(3) + addze 10,10 + addc 8,7,9 + bdnz Loop + +Lend: stw 8,4(3) + addze 3,10 + blr + +#else +/* Multiply a limb vector by a single limb, for PowerPC. + Copyright (C) 1993, 1994, 1995, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + + +/* mp_limb_t mpn_addmul_1 (mp_ptr res_ptr, mp_srcptr s1_ptr, + mp_size_t s1_size, mp_limb_t s2_limb) + Calculate res+s1*s2 and put result back in res; return carry. */ +ENTRY(_gcry_mpih_addmul_1) + mtctr %r5 + + lwz %r0,0(%r4) + mullw %r7,%r0,%r6 + mulhwu %r10,%r0,%r6 + lwz %r9,0(%r3) + addc %r8,%r7,%r9 + addi %r3,%r3,-4 /* adjust res_ptr */ + bdz 1f + +0: lwzu %r0,4(%r4) + stwu %r8,4(%r3) + mullw %r8,%r0,%r6 + adde %r7,%r8,%r10 + mulhwu %r10,%r0,%r6 + lwz %r9,4(%r3) + addze %r10,%r10 + addc %r8,%r7,%r9 + bdnz 0b + +1: stw %r8,4(%r3) + addze %r3,%r10 + blr +END(_gcry_mpih_addmul_1) +#endif diff --git a/grub-core/lib/libgcrypt/mpi/powerpc32/mpih-mul3.S b/grub-core/lib/libgcrypt/mpi/powerpc32/mpih-mul3.S new file mode 100644 index 0000000..c410dbb --- /dev/null +++ b/grub-core/lib/libgcrypt/mpi/powerpc32/mpih-mul3.S @@ -0,0 +1,130 @@ +/* PowerPC-32 submul_1 -- Multiply a limb vector with a limb and subtract + * the result from a second limb vector. + * + * Copyright (C) 1995, 1998, 2002 Free Software Foundation, Inc. + * + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + */ + +#include "sysdep.h" +#include "asm-syntax.h" + + +#ifndef USE_PPC_PATCHES + +/******************* + * mpi_limb_t + * _gcry_mpih_submul_1( mpi_ptr_t res_ptr, (r3) + * mpi_ptr_t s1_ptr, (r4) + * mpi_size_t s1_size, (r5) + * mpi_limb_t s2_limb) (r6) + * + * This is a fairly straightforward implementation. The timing of the PC601 + * is hard to understand, so I will wait to optimize this until I have some + * hardware to play with. + * + * The code trivially generalizes to 64 bit limbs for the PC620. + */ + + .toc + .csect ._gcry_mpih_submul_1[PR] + .align 2 + .globl _gcry_mpih_submul_1 + .globl ._gcry_mpih_submul_1 + .csect _gcry_mpih_submul_1[DS] +_gcry_mpih_submul_1: + .long ._gcry_mpih_submul_1[PR], TOC[tc0], 0 + .csect ._gcry_mpih_submul_1[PR] +._gcry_mpih_submul_1: + mtctr 5 + + lwz 0,0(4) + mullw 7,0,6 + mulhwu 10,0,6 + lwz 9,0(3) + subfc 8,7,9 + addc 7,7,8 # invert cy (r7 is junk) + addi 3,3,-4 + bdz Lend + +Loop: lwzu 0,4(4) + stwu 8,4(3) + mullw 8,0,6 + adde 7,8,10 + mulhwu 10,0,6 + lwz 9,4(3) + addze 10,10 + subfc 8,7,9 + addc 7,7,8 # invert cy (r7 is junk) + bdnz Loop + +Lend: stw 8,4(3) + addze 3,10 + blr + +#else +/* Multiply a limb vector by a single limb, for PowerPC. + Copyright (C) 1993, 1994, 1995, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +/* mp_limb_t mpn_submul_1 (mp_ptr res_ptr, mp_srcptr s1_ptr, + mp_size_t s1_size, mp_limb_t s2_limb) + Calculate res-s1*s2 and put result back in res; return carry. */ + +ENTRY(_gcry_mpih_submul_1) + mtctr %r5 + + lwz %r0,0(%r4) + mullw %r7,%r0,%r6 + mulhwu %r10,%r0,%r6 + lwz %r9,0(%r3) + subf %r8,%r7,%r9 + addc %r7,%r7,%r8 # invert cy (r7 is junk) + addi %r3,%r3,-4 # adjust res_ptr + bdz 1f + +0: lwzu %r0,4(%r4) + stwu %r8,4(%r3) + mullw %r8,%r0,%r6 + adde %r7,%r8,%r10 + mulhwu %r10,%r0,%r6 + lwz %r9,4(%r3) + addze %r10,%r10 + subf %r8,%r7,%r9 + addc %r7,%r7,%r8 # invert cy (r7 is junk) + bdnz 0b + +1: stw %r8,4(%r3) + addze %r3,%r10 + blr +END(_gcry_mpih_submul_1) +#endif diff --git a/grub-core/lib/libgcrypt/mpi/powerpc32/mpih-rshift.S b/grub-core/lib/libgcrypt/mpi/powerpc32/mpih-rshift.S new file mode 100644 index 0000000..98349ed --- /dev/null +++ b/grub-core/lib/libgcrypt/mpi/powerpc32/mpih-rshift.S @@ -0,0 +1,131 @@ +/* PowerPC-32 rshift + * + * Copyright (C) 1995, 1998, 2002 Free Software Foundation, Inc. + * + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + */ + + +#include "sysdep.h" +#include "asm-syntax.h" + + +#ifndef USE_PPC_PATCHES + +/******************* + * mpi_limb_t + * _gcry_mpih_rshift( mpi_ptr_t wp, (r3) + * mpi_ptr_t up, (r4) + * mpi_size_t usize, (r5) + * unsigned cnt) (r6) + */ + + .toc +.csect .text[PR] + .align 2 + .globl _gcry_mpih_rshift + .globl ._gcry_mpih_rshift + .csect _gcry_mpih_rshift[DS] +_gcry_mpih_rshift: + .long ._gcry_mpih_rshift, TOC[tc0], 0 + .csect .text[PR] +._gcry_mpih_rshift: + mtctr 5 # copy size into CTR + addi 7,3,-4 # move adjusted res_ptr to free return reg + subfic 8,6,32 + lwz 11,0(4) # load first s1 limb + slw 3,11,8 # compute function return value + bdz Lend1 + +Loop: lwzu 10,4(4) + srw 9,11,6 + slw 12,10,8 + or 9,9,12 + stwu 9,4(7) + bdz Lend2 + lwzu 11,4(4) + srw 9,10,6 + slw 12,11,8 + or 9,9,12 + stwu 9,4(7) + bdnz Loop + +Lend1: srw 0,11,6 + stw 0,4(7) + blr + +Lend2: srw 0,10,6 + stw 0,4(7) + blr + +#else +/* Shift a limb right, low level routine. + Copyright (C) 1995, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + + +/* INPUT PARAMETERS + res_ptr r3 + s1_ptr r4 + size r5 + cnt r6 */ + +ENTRY(_gcry_mpih_rshift) + mtctr 5 # copy size into CTR + addi 7,3,-4 # move adjusted res_ptr to free return reg + subfic 8,6,32 + lwz 11,0(4) # load first s1 limb + slw 3,11,8 # compute function return value + bdz 1f + +0: lwzu 10,4(4) + srw 9,11,6 + slw 12,10,8 + or 9,9,12 + stwu 9,4(7) + bdz 2f + lwzu 11,4(4) + srw 9,10,6 + slw 12,11,8 + or 9,9,12 + stwu 9,4(7) + bdnz 0b + +1: srw 0,11,6 + stw 0,4(7) + blr + +2: srw 0,10,6 + stw 0,4(7) + blr +END(_gcry_mpih_rshift) +#endif diff --git a/grub-core/lib/libgcrypt/mpi/powerpc32/mpih-sub1.S b/grub-core/lib/libgcrypt/mpi/powerpc32/mpih-sub1.S new file mode 100644 index 0000000..d612ea8 --- /dev/null +++ b/grub-core/lib/libgcrypt/mpi/powerpc32/mpih-sub1.S @@ -0,0 +1,133 @@ +/* PowerPC-32 sub_n -- Subtract two limb vectors of the same length > 0 + * and store difference in a third limb vector. + * + * Copyright (C) 1992, 1994, 1995, 1998, + * 2002 Free Software Foundation, Inc. + * + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + */ + +#include "sysdep.h" +#include "asm-syntax.h" + + +#ifndef USE_PPC_PATCHES + +/******************* + * mpi_limb_t + * _gcry_mpih_sub_n( mpi_ptr_t res_ptr, (r3) + * mpi_ptr_t s1_ptr, (r4) + * mpi_ptr_t s2_ptr, (r5) + * mpi_size_t size) (r6) + */ + + .toc + .extern _gcry_mpih_sub_n[DS] + .extern ._gcry_mpih_sub_n +.csect [PR] + .align 2 + .globl _gcry_mpih_sub_n + .globl ._gcry_mpih_sub_n + .csect _gcry_mpih_sub_n[DS] +_gcry_mpih_sub_n: + .long ._gcry_mpih_sub_n, TOC[tc0], 0 + .csect [PR] +._gcry_mpih_sub_n: + mtctr 6 # copy size into CTR + lwz 8,0(4) # load least significant s1 limb + lwz 0,0(5) # load least significant s2 limb + addi 3,3,-4 # offset res_ptr, it is updated before used + subfc 7,0,8 # add least significant limbs, set cy + bdz Lend # If done, skip loop +Loop: lwzu 8,4(4) # load s1 limb and update s1_ptr + lwzu 0,4(5) # load s2 limb and update s2_ptr + stwu 7,4(3) # store previous limb in load latency slot + subfe 7,0,8 # add new limbs with cy, set cy + bdnz Loop # decrement CTR and loop back +Lend: stw 7,4(3) # store ultimate result limb + subfe 3,0,0 # load !cy into ... + subfic 3,3,0 # ... return value register + blr + +#else +/* Subtract two limb vectors of equal, non-zero length for PowerPC. + Copyright (C) 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +/* mp_limb_t mpn_sub_n (mp_ptr res_ptr, mp_srcptr s1_ptr, mp_srcptr s2_ptr, + mp_size_t size) + Calculate s1-s2 and put result in res_ptr; return borrow, 0 or 1. */ + +/* Note on optimisation: This code is optimal for the 601. Almost every other + possible 2-unrolled inner loop will not be. Also, watch out for the + alignment... */ + +EALIGN(_gcry_mpih_sub_n,3,1) +/* Set up for loop below. */ + mtcrf 0x01,%r6 + srwi. %r7,%r6,1 + mtctr %r7 + bt 31,2f + +/* Set the carry (clear the borrow). */ + subfc %r0,%r0,%r0 +/* Adjust pointers for loop. */ + addi %r3,%r3,-4 + addi %r4,%r4,-4 + addi %r5,%r5,-4 + b 0f + +2: lwz %r7,0(%r5) + lwz %r6,0(%r4) + subfc %r6,%r7,%r6 + stw %r6,0(%r3) + beq 1f + +/* Align start of loop to an odd word boundary to guarantee that the + last two words can be fetched in one access (for 601). This turns + out to be important. */ +0: + lwz %r9,4(%r4) + lwz %r8,4(%r5) + lwzu %r6,8(%r4) + lwzu %r7,8(%r5) + subfe %r8,%r8,%r9 + stw %r8,4(%r3) + subfe %r6,%r7,%r6 + stwu %r6,8(%r3) + bdnz 0b +/* Return the borrow. */ +1: subfe %r3,%r3,%r3 + neg %r3,%r3 + blr +END(_gcry_mpih_sub_n) +#endif diff --git a/grub-core/lib/libgcrypt/mpi/powerpc32/syntax.h b/grub-core/lib/libgcrypt/mpi/powerpc32/syntax.h new file mode 100644 index 0000000..5d4af9f --- /dev/null +++ b/grub-core/lib/libgcrypt/mpi/powerpc32/syntax.h @@ -0,0 +1,75 @@ +/* gmp2-2.0.2-ppc/mpn/powerpc-linux/syntax.h Tue Oct 6 19:27:01 1998 */ +/* From glibc's sysdeps/unix/sysv/linux/powerpc/sysdep.h */ + +/* Copyright (C) 1992, 1997, 1998 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + + +#define USE_PPC_PATCHES 1 + +/* This seems to always be the case on PPC. */ +#define ALIGNARG(log2) log2 +/* For ELF we need the `.type' directive to make shared libs work right. */ +#define ASM_TYPE_DIRECTIVE(name,typearg) .type name,typearg; +#define ASM_SIZE_DIRECTIVE(name) .size name,.-name +#define ASM_GLOBAL_DIRECTIVE .globl + +#ifdef __STDC__ +#define C_LABEL(name) C_SYMBOL_NAME(name)##: +#else +#define C_LABEL(name) C_SYMBOL_NAME(name)/**/: +#endif + +#ifdef __STDC__ +#define L(body) .L##body +#else +#define L(body) .L/**/body +#endif + +/* No profiling of gmp's assembly for now... */ +#define CALL_MCOUNT /* no profiling */ + +#define ENTRY(name) \ + ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME(name); \ + ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(name),@function) \ + .align ALIGNARG(2); \ + C_LABEL(name) \ + CALL_MCOUNT + +#define EALIGN_W_0 /* No words to insert. */ +#define EALIGN_W_1 nop +#define EALIGN_W_2 nop;nop +#define EALIGN_W_3 nop;nop;nop +#define EALIGN_W_4 EALIGN_W_3;nop +#define EALIGN_W_5 EALIGN_W_4;nop +#define EALIGN_W_6 EALIGN_W_5;nop +#define EALIGN_W_7 EALIGN_W_6;nop + +/* EALIGN is like ENTRY, but does alignment to 'words'*4 bytes + past a 2^align boundary. */ +#define EALIGN(name, alignt, words) \ + ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME(name); \ + ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(name),@function) \ + .align ALIGNARG(alignt); \ + EALIGN_W_##words; \ + C_LABEL(name) + +#undef END +#define END(name) \ + ASM_SIZE_DIRECTIVE(name) + diff --git a/grub-core/lib/libgcrypt/mpi/powerpc64/distfiles b/grub-core/lib/libgcrypt/mpi/powerpc64/distfiles new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/grub-core/lib/libgcrypt/mpi/powerpc64/distfiles |