diff options
| author | Warner Losh <imp@bsdimp.com> | 2021-09-23 09:12:12 -0600 |
|---|---|---|
| committer | Warner Losh <imp@bsdimp.com> | 2022-01-07 22:58:51 -0700 |
| commit | dacfdf3ba4ac0773a92472d5063166b1553dff59 (patch) | |
| tree | be1d9c427edcd7ac68aa21d29378024677ce7578 /bsd-user/arm | |
| parent | bcacf30808ee8cd5f2e1c7104bbbee9d64e7ca6c (diff) | |
bsd-user/arm/target_arch_vmparam.h: Parameters for arm address space
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: Kyle Evans <kevans@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'bsd-user/arm')
| -rw-r--r-- | bsd-user/arm/target_arch_vmparam.h | 48 |
1 files changed, 48 insertions, 0 deletions
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_ */ |