| 1 | /* |
| 2 | * arm VM parameters definitions |
| 3 | * |
| 4 | * Copyright (c) 2013 Stacey D. Son |
| 5 | * |
| 6 | * SPDX-License-Identifier: GPL-2.0-or-later |
| 7 | */ |
| 8 | #ifndef TARGET_ARCH_VMPARAM_H |
| 9 | #define TARGET_ARCH_VMPARAM_H |
| 10 | |
| 11 | #include "cpu.h" |
| 12 | |
| 13 | /* compare to sys/arm/include/vmparam.h */ |
| 14 | #define TARGET_MAXTSIZ (64 * MiB) /* max text size */ |
| 15 | #define TARGET_DFLDSIZ (128 * MiB) /* initial data size limit */ |
| 16 | #define TARGET_MAXDSIZ (512 * MiB) /* max data size */ |
| 17 | #define TARGET_DFLSSIZ (4 * MiB) /* initial stack size limit */ |
| 18 | #define TARGET_MAXSSIZ (64 * MiB) /* max stack size */ |
| 19 | #define TARGET_SGROWSIZ (128 * KiB) /* amount to grow stack */ |
| 20 | |
| 21 | #define TARGET_RESERVED_VA 0xf7000000 |
| 22 | |
| 23 | /* KERNBASE - 512 MB */ |
| 24 | #define TARGET_VM_MAXUSER_ADDRESS (0xc0000000 - (512 * MiB)) |
| 25 | #define TARGET_USRSTACK TARGET_VM_MAXUSER_ADDRESS |
| 26 | |
| 27 | static inline abi_ulong get_sp_from_cpustate(CPUARMState *state) |
| 28 | { |
| 29 | return state->regs[13]; /* sp */ |
| 30 | } |
| 31 | |
| 32 | static inline void set_second_rval(CPUARMState *state, abi_ulong retval2) |
| 33 | { |
| 34 | state->regs[1] = retval2; |
| 35 | } |
| 36 | |
| 37 | #endif /* TARGET_ARCH_VMPARAM_H */ |