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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