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Diffstat (limited to 'security/nss/lib/freebl/mpi/mpi_x86.asm')
| -rw-r--r-- | security/nss/lib/freebl/mpi/mpi_x86.asm | 356 |
1 files changed, 0 insertions, 356 deletions
diff --git a/security/nss/lib/freebl/mpi/mpi_x86.asm b/security/nss/lib/freebl/mpi/mpi_x86.asm deleted file mode 100644 index 826747c39..000000000 --- a/security/nss/lib/freebl/mpi/mpi_x86.asm +++ /dev/null @@ -1,356 +0,0 @@ -; -; mpi_x86.asm - assembly language implementation of s_mpv_ functions. -; -; ***** BEGIN LICENSE BLOCK ***** -; Version: MPL 1.1/GPL 2.0/LGPL 2.1 -; -; The contents of this file are subject to the Mozilla Public License Version -; 1.1 (the "License"); you may not use this file except in compliance with -; the License. You may obtain a copy of the License at -; http://www.mozilla.org/MPL/ -; -; Software distributed under the License is distributed on an "AS IS" basis, -; WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License -; for the specific language governing rights and limitations under the -; License. -; -; The Original Code is the Netscape security libraries. -; -; The Initial Developer of the Original Code is -; Netscape Communications Corporation. -; Portions created by the Initial Developer are Copyright (C) 2000 -; the Initial Developer. All Rights Reserved. -; -; Contributor(s): -; -; Alternatively, the contents of this file may be used under the terms of -; either the GNU General Public License Version 2 or later (the "GPL"), or -; the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), -; in which case the provisions of the GPL or the LGPL are applicable instead -; of those above. If you wish to allow use of your version of this file only -; under the terms of either the GPL or the LGPL, and not to allow others to -; use your version of this file under the terms of the MPL, indicate your -; decision by deleting the provisions above and replace them with the notice -; and other provisions required by the GPL or the LGPL. If you do not delete -; the provisions above, a recipient may use your version of this file under -; the terms of any one of the MPL, the GPL or the LGPL. -; -; ***** END LICENSE BLOCK ***** - -; $Id$ - - .386p - .MODEL FLAT - ASSUME CS: FLAT, DS: FLAT, SS: FLAT -_TEXT SEGMENT - -; ebp - 36: caller's esi -; ebp - 32: caller's edi -; ebp - 28: -; ebp - 24: -; ebp - 20: -; ebp - 16: -; ebp - 12: -; ebp - 8: -; ebp - 4: -; ebp + 0: caller's ebp -; ebp + 4: return address -; ebp + 8: a argument -; ebp + 12: a_len argument -; ebp + 16: b argument -; ebp + 20: c argument -; registers: -; eax: -; ebx: carry -; ecx: a_len -; edx: -; esi: a ptr -; edi: c ptr - -public _s_mpv_mul_d -_s_mpv_mul_d PROC NEAR - push ebp - mov ebp,esp - sub esp,28 - push edi - push esi - push ebx - mov ebx,0 ; carry = 0 - mov ecx,[ebp+12] ; ecx = a_len - mov edi,[ebp+20] - cmp ecx,0 - je L_2 ; jmp if a_len == 0 - mov esi,[ebp+8] ; esi = a - cld -L_1: - lodsd ; eax = [ds:esi]; esi += 4 - mov edx,[ebp+16] ; edx = b - mul edx ; edx:eax = Phi:Plo = a_i * b - - add eax,ebx ; add carry (ebx) to edx:eax - adc edx,0 - mov ebx,edx ; high half of product becomes next carry - - stosd ; [es:edi] = ax; edi += 4; - dec ecx ; --a_len - jnz L_1 ; jmp if a_len != 0 -L_2: - mov [edi],ebx ; *c = carry - pop ebx - pop esi - pop edi - leave - ret - nop -_s_mpv_mul_d ENDP - -; ebp - 36: caller's esi -; ebp - 32: caller's edi -; ebp - 28: -; ebp - 24: -; ebp - 20: -; ebp - 16: -; ebp - 12: -; ebp - 8: -; ebp - 4: -; ebp + 0: caller's ebp -; ebp + 4: return address -; ebp + 8: a argument -; ebp + 12: a_len argument -; ebp + 16: b argument -; ebp + 20: c argument -; registers: -; eax: -; ebx: carry -; ecx: a_len -; edx: -; esi: a ptr -; edi: c ptr -public _s_mpv_mul_d_add -_s_mpv_mul_d_add PROC NEAR - push ebp - mov ebp,esp - sub esp,28 - push edi - push esi - push ebx - mov ebx,0 ; carry = 0 - mov ecx,[ebp+12] ; ecx = a_len - mov edi,[ebp+20] - cmp ecx,0 - je L_4 ; jmp if a_len == 0 - mov esi,[ebp+8] ; esi = a - cld -L_3: - lodsd ; eax = [ds:esi]; esi += 4 - mov edx,[ebp+16] ; edx = b - mul edx ; edx:eax = Phi:Plo = a_i * b - - add eax,ebx ; add carry (ebx) to edx:eax - adc edx,0 - mov ebx,[edi] ; add in current word from *c - add eax,ebx - adc edx,0 - mov ebx,edx ; high half of product becomes next carry - - stosd ; [es:edi] = ax; edi += 4; - dec ecx ; --a_len - jnz L_3 ; jmp if a_len != 0 -L_4: - mov [edi],ebx ; *c = carry - pop ebx - pop esi - pop edi - leave - ret - nop -_s_mpv_mul_d_add ENDP - -; ebp - 36: caller's esi -; ebp - 32: caller's edi -; ebp - 28: -; ebp - 24: -; ebp - 20: -; ebp - 16: -; ebp - 12: -; ebp - 8: -; ebp - 4: -; ebp + 0: caller's ebp -; ebp + 4: return address -; ebp + 8: a argument -; ebp + 12: a_len argument -; ebp + 16: b argument -; ebp + 20: c argument -; registers: -; eax: -; ebx: carry -; ecx: a_len -; edx: -; esi: a ptr -; edi: c ptr -public _s_mpv_mul_d_add_prop -_s_mpv_mul_d_add_prop PROC NEAR - push ebp - mov ebp,esp - sub esp,28 - push edi - push esi - push ebx - mov ebx,0 ; carry = 0 - mov ecx,[ebp+12] ; ecx = a_len - mov edi,[ebp+20] - cmp ecx,0 - je L_6 ; jmp if a_len == 0 - cld - mov esi,[ebp+8] ; esi = a -L_5: - lodsd ; eax = [ds:esi]; esi += 4 - mov edx,[ebp+16] ; edx = b - mul edx ; edx:eax = Phi:Plo = a_i * b - - add eax,ebx ; add carry (ebx) to edx:eax - adc edx,0 - mov ebx,[edi] ; add in current word from *c - add eax,ebx - adc edx,0 - mov ebx,edx ; high half of product becomes next carry - - stosd ; [es:edi] = ax; edi += 4; - dec ecx ; --a_len - jnz L_5 ; jmp if a_len != 0 -L_6: - cmp ebx,0 ; is carry zero? - jz L_8 - mov eax,[edi] ; add in current word from *c - add eax,ebx - stosd ; [es:edi] = ax; edi += 4; - jnc L_8 -L_7: - mov eax,[edi] ; add in current word from *c - adc eax,0 - stosd ; [es:edi] = ax; edi += 4; - jc L_7 -L_8: - pop ebx - pop esi - pop edi - leave - ret - nop -_s_mpv_mul_d_add_prop ENDP - -; ebp - 20: caller's esi -; ebp - 16: caller's edi -; ebp - 12: -; ebp - 8: carry -; ebp - 4: a_len local -; ebp + 0: caller's ebp -; ebp + 4: return address -; ebp + 8: pa argument -; ebp + 12: a_len argument -; ebp + 16: ps argument -; ebp + 20: -; registers: -; eax: -; ebx: carry -; ecx: a_len -; edx: -; esi: a ptr -; edi: c ptr - -public _s_mpv_sqr_add_prop -_s_mpv_sqr_add_prop PROC NEAR - push ebp - mov ebp,esp - sub esp,12 - push edi - push esi - push ebx - mov ebx,0 ; carry = 0 - mov ecx,[ebp+12] ; a_len - mov edi,[ebp+16] ; edi = ps - cmp ecx,0 - je L_11 ; jump if a_len == 0 - cld - mov esi,[ebp+8] ; esi = pa -L_10: - lodsd ; eax = [ds:si]; si += 4; - mul eax - - add eax,ebx ; add "carry" - adc edx,0 - mov ebx,[edi] - add eax,ebx ; add low word from result - mov ebx,[edi+4] - stosd ; [es:di] = eax; di += 4; - adc edx,ebx ; add high word from result - mov ebx,0 - mov eax,edx - adc ebx,0 - stosd ; [es:di] = eax; di += 4; - dec ecx ; --a_len - jnz L_10 ; jmp if a_len != 0 -L_11: - cmp ebx,0 ; is carry zero? - jz L_14 - mov eax,[edi] ; add in current word from *c - add eax,ebx - stosd ; [es:edi] = ax; edi += 4; - jnc L_14 -L_12: - mov eax,[edi] ; add in current word from *c - adc eax,0 - stosd ; [es:edi] = ax; edi += 4; - jc L_12 -L_14: - pop ebx - pop esi - pop edi - leave - ret - nop -_s_mpv_sqr_add_prop ENDP - -; -; Divide 64-bit (Nhi,Nlo) by 32-bit divisor, which must be normalized -; so its high bit is 1. This code is from NSPR. -; -; mp_err s_mpv_div_2dx1d(mp_digit Nhi, mp_digit Nlo, mp_digit divisor, -; mp_digit *qp, mp_digit *rp) - -; Dump of assembler code for function s_mpv_div_2dx1d: -; -; esp + 0: Caller's ebx -; esp + 4: return address -; esp + 8: Nhi argument -; esp + 12: Nlo argument -; esp + 16: divisor argument -; esp + 20: qp argument -; esp + 24: rp argument -; registers: -; eax: -; ebx: carry -; ecx: a_len -; edx: -; esi: a ptr -; edi: c ptr -; -public _s_mpv_div_2dx1d -_s_mpv_div_2dx1d PROC NEAR - push ebx - mov edx,[esp+8] - mov eax,[esp+12] - mov ebx,[esp+16] - div ebx - mov ebx,[esp+20] - mov [ebx],eax - mov ebx,[esp+24] - mov [ebx],edx - xor eax,eax ; return zero - pop ebx - ret - nop -_s_mpv_div_2dx1d ENDP - -_TEXT ENDS -END |