bsd-user/arm/target_arch_reg.h

   1 /*
   2  *  FreeBSD arm register structures
   3  *
   4  *  Copyright (c) 2015 Stacey Son
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #ifndef TARGET_ARCH_REG_H
  21 #define TARGET_ARCH_REG_H
  22
  23 /* See sys/arm/include/reg.h */
  24 typedef struct target_reg {
  25     uint32_t        r[13];
  26     uint32_t        r_sp;
  27     uint32_t        r_lr;
  28     uint32_t        r_pc;
  29     uint32_t        r_cpsr;
  30 } target_reg_t;
  31
  32 typedef struct target_fp_reg {
  33     uint32_t        fp_exponent;
  34     uint32_t        fp_mantissa_hi;
  35     u_int32_t       fp_mantissa_lo;
  36 } target_fp_reg_t;
  37
  38 typedef struct target_fpreg {
  39     uint32_t        fpr_fpsr;
  40     target_fp_reg_t fpr[8];
  41 } target_fpreg_t;
  42
  43 #define tswapreg(ptr)   tswapal(ptr)
  44
  45 static inline void target_copy_regs(target_reg_t *regs, const CPUARMState *env)
  46 {
  47     int i;
  48
  49     for (i = 0; i < 13; i++) {
  50         regs->r[i] = tswapreg(env->regs[i + 1]);
  51     }
  52     regs->r_sp = tswapreg(env->regs[13]);
  53     regs->r_lr = tswapreg(env->regs[14]);
  54     regs->r_pc = tswapreg(env->regs[15]);
  55     regs->r_cpsr = tswapreg(cpsr_read((CPUARMState *)env));
  56 }
  57
  58 #undef tswapreg
  59
  60 #endif /* TARGET_ARCH_REG_H */