| 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 */ |