From dacfdf3ba4ac0773a92472d5063166b1553dff59 Mon Sep 17 00:00:00 2001 From: Warner Losh Date: Thu, 23 Sep 2021 09:12:12 -0600 Subject: 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 Signed-off-by: Kyle Evans Signed-off-by: Warner Losh Reviewed-by: Kyle Evans Reviewed-by: Richard Henderson --- bsd-user/arm/target_arch_vmparam.h | 48 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 bsd-user/arm/target_arch_vmparam.h (limited to 'bsd-user/arm') diff --git a/bsd-user/arm/target_arch_vmparam.h b/bsd-user/arm/target_arch_vmparam.h new file mode 100644 index 0000000..4bbc04d --- /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 . + */ +#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_ */ -- cgit v1.1