| Message ID | 20211019164447.16359-12-imp@bsdimp.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | bsd-user: arm (32-bit) support | expand |
On Tue, Oct 19, 2021 at 11:45 AM Warner Losh <imp@bsdimp.com> wrote: > > Various parameters describing the layout of the ARM address space. In > addition, define routines to get the stack pointer and to set the second > return value. > > Signed-off-by: Stacey Son <sson@FreeBSD.org> > Signed-off-by: Klye Evans <kevans@FreeBSD.org> > Signed-off-by: Warner Losh <imp@bsdimp.com> > --- > bsd-user/arm/target_arch_vmparam.h | 48 ++++++++++++++++++++++++++++++ > 1 file changed, 48 insertions(+) > create mode 100644 bsd-user/arm/target_arch_vmparam.h > > diff --git a/bsd-user/arm/target_arch_vmparam.h b/bsd-user/arm/target_arch_vmparam.h > new file mode 100644 > index 0000000000..4bbc04ddf5 > --- /dev/null > +++ b/bsd-user/arm/target_arch_vmparam.h > @@ -0,0 +1,48 @@ > +/* > + * arm VM parameters definitions > + * > + * Copyright (c) 2013 Stacey D. 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_VMPARAM_H_ > +#define _TARGET_ARCH_VMPARAM_H_ > + > +#include "cpu.h" > + > +/* compare to sys/arm/include/vmparam.h */ > +#define TARGET_MAXTSIZ (64 * MiB) /* max text size */ > +#define TARGET_DFLDSIZ (128 * MiB) /* initial data size limit */ > +#define TARGET_MAXDSIZ (512 * MiB) /* max data size */ > +#define TARGET_DFLSSIZ (4 * MiB) /* initial stack size limit */ > +#define TARGET_MAXSSIZ (64 * MiB) /* max stack size */ > +#define TARGET_SGROWSIZ (128 * KiB) /* amount to grow stack */ > + > +#define TARGET_RESERVED_VA 0xf7000000 > + > + /* KERNBASE - 512 MB */ > +#define TARGET_VM_MAXUSER_ADDRESS (0xc0000000 - (512 * MiB)) > +#define TARGET_USRSTACK TARGET_VM_MAXUSER_ADDRESS > + > +static inline abi_ulong get_sp_from_cpustate(CPUARMState *state) > +{ > + return state->regs[13]; /* sp */ > +} > + > +static inline void set_second_rval(CPUARMState *state, abi_ulong retval2) > +{ > + state->regs[1] = retval2; > +} > + > +#endif /* ! _TARGET_ARCH_VMPARAM_H_ */ > -- > 2.32.0 > Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
On 10/19/21 9:44 AM, Warner Losh wrote: > Various parameters describing the layout of the ARM address space. In > addition, define routines to get the stack pointer and to set the second > return value. > > Signed-off-by: Stacey Son<sson@FreeBSD.org> > Signed-off-by: Klye Evans<kevans@FreeBSD.org> > Signed-off-by: Warner Losh<imp@bsdimp.com> > --- > bsd-user/arm/target_arch_vmparam.h | 48 ++++++++++++++++++++++++++++++ > 1 file changed, 48 insertions(+) > create mode 100644 bsd-user/arm/target_arch_vmparam.h Reviewed-by: Richard Henderson <richard.henderson@linaro.org> r~
diff --git a/bsd-user/arm/target_arch_vmparam.h b/bsd-user/arm/target_arch_vmparam.h new file mode 100644 index 0000000000..4bbc04ddf5 --- /dev/null +++ b/bsd-user/arm/target_arch_vmparam.h @@ -0,0 +1,48 @@ +/* + * arm VM parameters definitions + * + * Copyright (c) 2013 Stacey D. 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_VMPARAM_H_ +#define _TARGET_ARCH_VMPARAM_H_ + +#include "cpu.h" + +/* compare to sys/arm/include/vmparam.h */ +#define TARGET_MAXTSIZ (64 * MiB) /* max text size */ +#define TARGET_DFLDSIZ (128 * MiB) /* initial data size limit */ +#define TARGET_MAXDSIZ (512 * MiB) /* max data size */ +#define TARGET_DFLSSIZ (4 * MiB) /* initial stack size limit */ +#define TARGET_MAXSSIZ (64 * MiB) /* max stack size */ +#define TARGET_SGROWSIZ (128 * KiB) /* amount to grow stack */ + +#define TARGET_RESERVED_VA 0xf7000000 + + /* KERNBASE - 512 MB */ +#define TARGET_VM_MAXUSER_ADDRESS (0xc0000000 - (512 * MiB)) +#define TARGET_USRSTACK TARGET_VM_MAXUSER_ADDRESS + +static inline abi_ulong get_sp_from_cpustate(CPUARMState *state) +{ + return state->regs[13]; /* sp */ +} + +static inline void set_second_rval(CPUARMState *state, abi_ulong retval2) +{ + state->regs[1] = retval2; +} + +#endif /* ! _TARGET_ARCH_VMPARAM_H_ */