xref: /openbmc/qemu/bsd-user/arm/target_arch_reg.h (revision ec11dc41eec5142b4776db1296972c6323ba5847)
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  
target_copy_regs(target_reg_t * regs,const CPUARMState * env)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 */
61