bsd-user/arm/target_arch_vmparam.h

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