xref: /openbmc/qemu/bsd-user/arm/target_arch_reg.h (revision 05caa062)
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 */
61