On Tue, Oct 19, 2021 at 11:45 AM Warner Losh <i...@bsdimp.com> wrote: > > Implement the register copying routines to extract registers from the > cpu for core dump generation. > > Signed-off-by: Stacey Son <s...@freebsd.org> > Signed-off-by: Warner Losh <i...@bsdimp.com> > --- > bsd-user/arm/target_arch_reg.h | 60 ++++++++++++++++++++++++++++++++++ > 1 file changed, 60 insertions(+) > create mode 100644 bsd-user/arm/target_arch_reg.h > > diff --git a/bsd-user/arm/target_arch_reg.h b/bsd-user/arm/target_arch_reg.h > new file mode 100644 > index 0000000000..ef5ed5154f > --- /dev/null > +++ b/bsd-user/arm/target_arch_reg.h > @@ -0,0 +1,60 @@ > +/* > + * FreeBSD arm register structures > + * > + * Copyright (c) 2015 Stacey Son > + * > + * 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 of the License, 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, see <http://www.gnu.org/licenses/>. > + */ > + > +#ifndef _TARGET_ARCH_REG_H_ > +#define _TARGET_ARCH_REG_H_ > + > +/* See sys/arm/include/reg.h */ > +typedef struct target_reg { > + uint32_t r[13]; > + uint32_t r_sp; > + uint32_t r_lr; > + uint32_t r_pc; > + uint32_t r_cpsr; > +} target_reg_t; > + > +typedef struct target_fp_reg { > + uint32_t fp_exponent; > + uint32_t fp_mantissa_hi; > + u_int32_t fp_mantissa_lo; > +} target_fp_reg_t; > + > +typedef struct target_fpreg { > + uint32_t fpr_fpsr; > + target_fp_reg_t fpr[8]; > +} target_fpreg_t; > + > +#define tswapreg(ptr) tswapal(ptr) > + > +static inline void target_copy_regs(target_reg_t *regs, const CPUARMState > *env) > +{ > + int i; > + > + for (i = 0; i < 13; i++) { > + regs->r[i] = tswapreg(env->regs[i + 1]); > + } > + regs->r_sp = tswapreg(env->regs[13]); > + regs->r_lr = tswapreg(env->regs[14]); > + regs->r_pc = tswapreg(env->regs[15]); > + regs->r_cpsr = tswapreg(cpsr_read((CPUARMState *)env)); > +} > + > +#undef tswapreg > + > +#endif /* !_TARGET_ARCH_REG_H_ */ > -- > 2.32.0 >
Reviewed-by: Kyle Evans <kev...@freebsd.org>