xref: /qemu/bsd-user/i386/target_arch_vmparam.h (revision 727385c4)
1 /*
2  *  i386 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 i386/include/vmparam.h */
25 #define TARGET_MAXTSIZ  (128 * 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  (8 * 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 #define TARGET_USRSTACK (0xbfc00000)
35 
36 static inline abi_ulong get_sp_from_cpustate(CPUX86State *state)
37 {
38     return state->regs[R_ESP];
39 }
40 
41 static inline void set_second_rval(CPUX86State *state, abi_ulong retval2)
42 {
43     state->regs[R_EDX] = retval2;
44 }
45 
46 #endif /* !_TARGET_ARCH_VMPARAM_H_ */
47