/* This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. This program 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 General Public License for more details. You should have received a copy of the GNU 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. */ /* * author teawater */ #include "armdefs.h" #include "arm2x86_self.h" uint8_t * get_op_mul_T0_T1 (int *len) { unsigned int begin = 0, end = 0; OP_BEGIN ("get_op_mul_T0_T1"); T0 = T0 * T1; OP_END ("get_op_mul_T0_T1"); *len = end - begin; return ((uint8_t *) begin); } uint8_t * get_op_umull_T0_T1 (int *len) { unsigned int begin = 0, end = 0; OP_BEGIN ("get_op_umull_T0_T1"); __asm__ __volatile__ ("movl %" AREG_T0 ", %eax"); __asm__ __volatile__ ("mull %" AREG_T1); __asm__ __volatile__ ("movl %eax, %" AREG_T0); __asm__ __volatile__ ("movl %edx, %" AREG_T1); OP_END ("get_op_umull_T0_T1"); *len = end - begin; return ((uint8_t *) begin); } uint8_t * get_op_smull_T0_T1 (int *len) { unsigned int begin = 0, end = 0; OP_BEGIN ("get_op_smull_T0_T1"); __asm__ __volatile__ ("movl %" AREG_T0 ", %eax"); __asm__ __volatile__ ("imull %" AREG_T1); __asm__ __volatile__ ("movl %eax, %" AREG_T0); __asm__ __volatile__ ("movl %edx, %" AREG_T1); OP_END ("get_op_smull_T0_T1"); *len = end - begin; return ((uint8_t *) begin); } op_table_t op_mul_T0_T1; op_table_t op_umull_T0_T1; op_table_t op_smull_T0_T1; int arm2x86_mul_init () { op_mul_T0_T1.op = get_op_mul_T0_T1 (&op_mul_T0_T1.len); if (op_mul_T0_T1.len return (-1); op_umull_T0_T1.op = get_op_umull_T0_T1 (&op_umull_T0_T1.len); if (op_umull_T0_T1.len return (-1); op_smull_T0_T1.op = get_op_smull_T0_T1 (&op_smull_T0_T1.len); if (op_smull_T0_T1.len return (-1); return (0); }
