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/*
* memory management system conversion routines
*
* Copyright (c) 2013 Stacey D. Son
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "qemu/osdep.h"
#include "qemu.h"
#include "qemu-bsd.h"
struct bsd_shm_regions bsd_shm_regions[N_BSD_SHM_REGIONS];
abi_ulong target_brk;
abi_ulong initial_target_brk;
void target_set_brk(abi_ulong new_brk)
{
target_brk = TARGET_PAGE_ALIGN(new_brk);
initial_target_brk = target_brk;
}
void target_to_host_ipc_perm__locked(struct ipc_perm *host_ip,
struct target_ipc_perm *target_ip)
{
__get_user(host_ip->cuid, &target_ip->cuid);
__get_user(host_ip->cgid, &target_ip->cgid);
__get_user(host_ip->uid, &target_ip->uid);
__get_user(host_ip->gid, &target_ip->gid);
__get_user(host_ip->mode, &target_ip->mode);
__get_user(host_ip->seq, &target_ip->seq);
__get_user(host_ip->key, &target_ip->key);
}
abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd,
abi_ulong target_addr)
{
struct target_shmid_ds *target_sd;
if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) {
return -TARGET_EFAULT;
}
target_to_host_ipc_perm__locked(&(host_sd->shm_perm),
&(target_sd->shm_perm));
__get_user(host_sd->shm_segsz, &target_sd->shm_segsz);
__get_user(host_sd->shm_lpid, &target_sd->shm_lpid);
__get_user(host_sd->shm_cpid, &target_sd->shm_cpid);
__get_user(host_sd->shm_nattch, &target_sd->shm_nattch);
__get_user(host_sd->shm_atime, &target_sd->shm_atime);
__get_user(host_sd->shm_dtime, &target_sd->shm_dtime);
__get_user(host_sd->shm_ctime, &target_sd->shm_ctime);
unlock_user_struct(target_sd, target_addr, 0);
return 0;
}
void host_to_target_ipc_perm__locked(struct target_ipc_perm *target_ip,
struct ipc_perm *host_ip)
{
__put_user(host_ip->cuid, &target_ip->cuid);
__put_user(host_ip->cgid, &target_ip->cgid);
__put_user(host_ip->uid, &target_ip->uid);
__put_user(host_ip->gid, &target_ip->gid);
__put_user(host_ip->mode, &target_ip->mode);
__put_user(host_ip->seq, &target_ip->seq);
__put_user(host_ip->key, &target_ip->key);
}
abi_long host_to_target_shmid_ds(abi_ulong target_addr,
struct shmid_ds *host_sd)
{
struct target_shmid_ds *target_sd;
if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) {
return -TARGET_EFAULT;
}
host_to_target_ipc_perm__locked(&(target_sd->shm_perm),
&(host_sd->shm_perm));
__put_user(host_sd->shm_segsz, &target_sd->shm_segsz);
__put_user(host_sd->shm_lpid, &target_sd->shm_lpid);
__put_user(host_sd->shm_cpid, &target_sd->shm_cpid);
__put_user(host_sd->shm_nattch, &target_sd->shm_nattch);
__put_user(host_sd->shm_atime, &target_sd->shm_atime);
__put_user(host_sd->shm_dtime, &target_sd->shm_dtime);
__put_user(host_sd->shm_ctime, &target_sd->shm_ctime);
unlock_user_struct(target_sd, target_addr, 1);
return 0;
}
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