Yaya48
cf256aa081
Upstream: https://gitlab.com/qemu-project/qemu.git Upstream-Commit: d2e570cc0f97b936902a5b1b86b73c0f5998b475
94 lines
3.1 KiB
C
94 lines
3.1 KiB
C
/*
|
|
* memory management system conversion routines
|
|
*
|
|
* Copyright (c) 2013 Stacey D. Son
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0-or-later
|
|
*/
|
|
#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;
|
|
}
|