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https://gitlab.com/qemu-project/qemu.git
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bd2b73182f
Signed-off-by: Stacey Son <sson@FreeBSD.org> Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20230925182709.4834-11-kariem.taha2.7@gmail.com>
105 lines
3.7 KiB
C
105 lines
3.7 KiB
C
/*
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* memory management system conversion routines
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*
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* Copyright (c) 2013 Stacey D. Son
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "qemu/osdep.h"
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#include "qemu.h"
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#include "qemu-bsd.h"
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struct bsd_shm_regions bsd_shm_regions[N_BSD_SHM_REGIONS];
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abi_ulong target_brk;
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abi_ulong initial_target_brk;
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void target_set_brk(abi_ulong new_brk)
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{
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target_brk = TARGET_PAGE_ALIGN(new_brk);
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initial_target_brk = target_brk;
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}
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void target_to_host_ipc_perm__locked(struct ipc_perm *host_ip,
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struct target_ipc_perm *target_ip)
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{
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__get_user(host_ip->cuid, &target_ip->cuid);
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__get_user(host_ip->cgid, &target_ip->cgid);
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__get_user(host_ip->uid, &target_ip->uid);
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__get_user(host_ip->gid, &target_ip->gid);
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__get_user(host_ip->mode, &target_ip->mode);
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__get_user(host_ip->seq, &target_ip->seq);
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__get_user(host_ip->key, &target_ip->key);
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}
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abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd,
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abi_ulong target_addr)
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{
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struct target_shmid_ds *target_sd;
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if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) {
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return -TARGET_EFAULT;
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}
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target_to_host_ipc_perm__locked(&(host_sd->shm_perm),
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&(target_sd->shm_perm));
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__get_user(host_sd->shm_segsz, &target_sd->shm_segsz);
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__get_user(host_sd->shm_lpid, &target_sd->shm_lpid);
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__get_user(host_sd->shm_cpid, &target_sd->shm_cpid);
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__get_user(host_sd->shm_nattch, &target_sd->shm_nattch);
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__get_user(host_sd->shm_atime, &target_sd->shm_atime);
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__get_user(host_sd->shm_dtime, &target_sd->shm_dtime);
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__get_user(host_sd->shm_ctime, &target_sd->shm_ctime);
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unlock_user_struct(target_sd, target_addr, 0);
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return 0;
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}
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void host_to_target_ipc_perm__locked(struct target_ipc_perm *target_ip,
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struct ipc_perm *host_ip)
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{
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__put_user(host_ip->cuid, &target_ip->cuid);
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__put_user(host_ip->cgid, &target_ip->cgid);
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__put_user(host_ip->uid, &target_ip->uid);
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__put_user(host_ip->gid, &target_ip->gid);
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__put_user(host_ip->mode, &target_ip->mode);
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__put_user(host_ip->seq, &target_ip->seq);
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__put_user(host_ip->key, &target_ip->key);
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}
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abi_long host_to_target_shmid_ds(abi_ulong target_addr,
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struct shmid_ds *host_sd)
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{
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struct target_shmid_ds *target_sd;
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if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) {
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return -TARGET_EFAULT;
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}
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host_to_target_ipc_perm__locked(&(target_sd->shm_perm),
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&(host_sd->shm_perm));
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__put_user(host_sd->shm_segsz, &target_sd->shm_segsz);
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__put_user(host_sd->shm_lpid, &target_sd->shm_lpid);
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__put_user(host_sd->shm_cpid, &target_sd->shm_cpid);
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__put_user(host_sd->shm_nattch, &target_sd->shm_nattch);
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__put_user(host_sd->shm_atime, &target_sd->shm_atime);
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__put_user(host_sd->shm_dtime, &target_sd->shm_dtime);
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__put_user(host_sd->shm_ctime, &target_sd->shm_ctime);
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unlock_user_struct(target_sd, target_addr, 1);
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return 0;
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}
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