1 /* 2 * RISC-V VM parameters definitions 3 * 4 * Copyright (c) 2019 Mark Corbin 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 with riscv/include/vmparam.h */ 26 #define TARGET_MAXTSIZ (1 * GiB) /* max text size */ 27 #define TARGET_DFLDSIZ (128 * MiB) /* initial data size limit */ 28 #define TARGET_MAXDSIZ (1 * GiB) /* max data size */ 29 #define TARGET_DFLSSIZ (128 * MiB) /* initial stack size limit */ 30 #define TARGET_MAXSSIZ (1 * GiB) /* max stack size */ 31 #define TARGET_SGROWSIZ (128 * KiB) /* amount to grow stack */ 32 33 #define TARGET_VM_MINUSER_ADDRESS (0x0000000000000000UL) 34 #define TARGET_VM_MAXUSER_ADDRESS (0x0000004000000000UL) 35 36 #define TARGET_USRSTACK (TARGET_VM_MAXUSER_ADDRESS - TARGET_PAGE_SIZE) 37 38 static inline abi_ulong get_sp_from_cpustate(CPURISCVState *state) 39 { 40 return state->gpr[xSP]; 41 } 42 43 static inline void set_second_rval(CPURISCVState *state, abi_ulong retval2) 44 { 45 state->gpr[xA1] = retval2; 46 } 47 48 static inline abi_ulong get_second_rval(CPURISCVState *state) 49 { 50 return state->gpr[xA1]; 51 } 52 53 #endif /* TARGET_ARCH_VMPARAM_H */ 54