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