1/* 2 * arm VM parameters definitions 3 * 4 * Copyright (c) 2013 Stacey D. 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_VMPARAM_H 21#define TARGET_ARCH_VMPARAM_H 22 23#include "cpu.h" 24 25/* compare to sys/arm/include/vmparam.h */ 26#define TARGET_MAXTSIZ (64 * MiB) /* max text size */ 27#define TARGET_DFLDSIZ (128 * MiB) /* initial data size limit */ 28#define TARGET_MAXDSIZ (512 * MiB) /* max data size */ 29#define TARGET_DFLSSIZ (4 * MiB) /* initial stack size limit */ 30#define TARGET_MAXSSIZ (64 * MiB) /* max stack size */ 31#define TARGET_SGROWSIZ (128 * KiB) /* amount to grow stack */ 32 33#define TARGET_RESERVED_VA 0xf7000000 34 35 /* KERNBASE - 512 MB */ 36#define TARGET_VM_MAXUSER_ADDRESS (0xc0000000 - (512 * MiB)) 37#define TARGET_USRSTACK TARGET_VM_MAXUSER_ADDRESS 38 39static inline abi_ulong get_sp_from_cpustate(CPUARMState *state) 40{ 41 return state->regs[13]; /* sp */ 42} 43 44static inline void set_second_rval(CPUARMState *state, abi_ulong retval2) 45{ 46 state->regs[1] = retval2; 47} 48 49#endif /* TARGET_ARCH_VMPARAM_H */ 50