Introduce Virtio-loopback epsilon release:

Epsilon release introduces a new compatibility layer which make virtio-loopback
design to work with QEMU and rust-vmm vhost-user backend without require any
changes.

Signed-off-by: Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com>
Change-Id: I52e57563e08a7d0bdc002f8e928ee61ba0c53dd9

16 files changed, 1017 insertions, 0 deletions

diff --git a/linux-user/mips64/cpu_loop.c b/linux-user/mips64/cpu_loop.c
new file mode 100644
index 000000000..858bc5be7
--- /dev/null
+++ b/linux-user/mips64/cpu_loop.c
@@ -0,0 +1,20 @@
+/*
+ *  qemu user cpu loop
+ *
+ *  Copyright (c) 2003-2008 Fabrice Bellard
+ *
+ *  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 "../mips/cpu_loop.c"
diff --git a/linux-user/mips64/meson.build b/linux-user/mips64/meson.build
new file mode 100644
index 000000000..0caab5fab
--- /dev/null
+++ b/linux-user/mips64/meson.build
@@ -0,0 +1,6 @@
+syscall_nr_generators += {
+  'mips64': generator(sh,
+                      arguments: [ meson.current_source_dir() / 'syscallhdr.sh', '@INPUT@', '@OUTPUT@', '@EXTRA_ARGS@',
+                                   '', 'TARGET_SYSCALL_OFFSET' ],
+                      output: '@BASENAME@_nr.h')
+}
diff --git a/linux-user/mips64/signal.c b/linux-user/mips64/signal.c
new file mode 100644
index 000000000..4ed0ed90b
--- /dev/null
+++ b/linux-user/mips64/signal.c
@@ -0,0 +1,20 @@
+/*
+ *  Emulation of Linux signals
+ *
+ *  Copyright (c) 2003 Fabrice Bellard
+ *
+ *  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/>.
+ */
+#define MIPS_TARGET_SIGNAL_H /* to only include mips64/target_signal.h */
+#include "../mips/signal.c"
diff --git a/linux-user/mips64/sockbits.h b/linux-user/mips64/sockbits.h
new file mode 100644
index 000000000..e6b6d31ac
--- /dev/null
+++ b/linux-user/mips64/sockbits.h
@@ -0,0 +1 @@
+#include "../mips/sockbits.h"
diff --git a/linux-user/mips64/syscall_n32.tbl b/linux-user/mips64/syscall_n32.tbl
new file mode 100644
index 000000000..922090952
--- /dev/null
+++ b/linux-user/mips64/syscall_n32.tbl
@@ -0,0 +1,387 @@
+# SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
+#
+# system call numbers and entry vectors for mips
+#
+# The format is:
+# <number> <abi> <name> <entry point> <compat entry point>
+#
+# The <abi> is always "n32" for this file.
+#
+0	n32	read				sys_read
+1	n32	write				sys_write
+2	n32	open				sys_open
+3	n32	close				sys_close
+4	n32	stat				sys_newstat
+5	n32	fstat				sys_newfstat
+6	n32	lstat				sys_newlstat
+7	n32	poll				sys_poll
+8	n32	lseek				sys_lseek
+9	n32	mmap				sys_mips_mmap
+10	n32	mprotect			sys_mprotect
+11	n32	munmap				sys_munmap
+12	n32	brk				sys_brk
+13	n32	rt_sigaction			compat_sys_rt_sigaction
+14	n32	rt_sigprocmask			compat_sys_rt_sigprocmask
+15	n32	ioctl				compat_sys_ioctl
+16	n32	pread64				sys_pread64
+17	n32	pwrite64			sys_pwrite64
+18	n32	readv				sys_readv
+19	n32	writev				sys_writev
+20	n32	access				sys_access
+21	n32	pipe				sysm_pipe
+22	n32	_newselect			compat_sys_select
+23	n32	sched_yield			sys_sched_yield
+24	n32	mremap				sys_mremap
+25	n32	msync				sys_msync
+26	n32	mincore				sys_mincore
+27	n32	madvise				sys_madvise
+28	n32	shmget				sys_shmget
+29	n32	shmat				sys_shmat
+30	n32	shmctl				compat_sys_old_shmctl
+31	n32	dup				sys_dup
+32	n32	dup2				sys_dup2
+33	n32	pause				sys_pause
+34	n32	nanosleep			sys_nanosleep_time32
+35	n32	getitimer			compat_sys_getitimer
+36	n32	setitimer			compat_sys_setitimer
+37	n32	alarm				sys_alarm
+38	n32	getpid				sys_getpid
+39	n32	sendfile			compat_sys_sendfile
+40	n32	socket				sys_socket
+41	n32	connect				sys_connect
+42	n32	accept				sys_accept
+43	n32	sendto				sys_sendto
+44	n32	recvfrom			compat_sys_recvfrom
+45	n32	sendmsg				compat_sys_sendmsg
+46	n32	recvmsg				compat_sys_recvmsg
+47	n32	shutdown			sys_shutdown
+48	n32	bind				sys_bind
+49	n32	listen				sys_listen
+50	n32	getsockname			sys_getsockname
+51	n32	getpeername			sys_getpeername
+52	n32	socketpair			sys_socketpair
+53	n32	setsockopt			sys_setsockopt
+54	n32	getsockopt			sys_getsockopt
+55	n32	clone				__sys_clone
+56	n32	fork				__sys_fork
+57	n32	execve				compat_sys_execve
+58	n32	exit				sys_exit
+59	n32	wait4				compat_sys_wait4
+60	n32	kill				sys_kill
+61	n32	uname				sys_newuname
+62	n32	semget				sys_semget
+63	n32	semop				sys_semop
+64	n32	semctl				compat_sys_old_semctl
+65	n32	shmdt				sys_shmdt
+66	n32	msgget				sys_msgget
+67	n32	msgsnd				compat_sys_msgsnd
+68	n32	msgrcv				compat_sys_msgrcv
+69	n32	msgctl				compat_sys_old_msgctl
+70	n32	fcntl				compat_sys_fcntl
+71	n32	flock				sys_flock
+72	n32	fsync				sys_fsync
+73	n32	fdatasync			sys_fdatasync
+74	n32	truncate			sys_truncate
+75	n32	ftruncate			sys_ftruncate
+76	n32	getdents			compat_sys_getdents
+77	n32	getcwd				sys_getcwd
+78	n32	chdir				sys_chdir
+79	n32	fchdir				sys_fchdir
+80	n32	rename				sys_rename
+81	n32	mkdir				sys_mkdir
+82	n32	rmdir				sys_rmdir
+83	n32	creat				sys_creat
+84	n32	link				sys_link
+85	n32	unlink				sys_unlink
+86	n32	symlink				sys_symlink
+87	n32	readlink			sys_readlink
+88	n32	chmod				sys_chmod
+89	n32	fchmod				sys_fchmod
+90	n32	chown				sys_chown
+91	n32	fchown				sys_fchown
+92	n32	lchown				sys_lchown
+93	n32	umask				sys_umask
+94	n32	gettimeofday			compat_sys_gettimeofday
+95	n32	getrlimit			compat_sys_getrlimit
+96	n32	getrusage			compat_sys_getrusage
+97	n32	sysinfo				compat_sys_sysinfo
+98	n32	times				compat_sys_times
+99	n32	ptrace				compat_sys_ptrace
+100	n32	getuid				sys_getuid
+101	n32	syslog				sys_syslog
+102	n32	getgid				sys_getgid
+103	n32	setuid				sys_setuid
+104	n32	setgid				sys_setgid
+105	n32	geteuid				sys_geteuid
+106	n32	getegid				sys_getegid
+107	n32	setpgid				sys_setpgid
+108	n32	getppid				sys_getppid
+109	n32	getpgrp				sys_getpgrp
+110	n32	setsid				sys_setsid
+111	n32	setreuid			sys_setreuid
+112	n32	setregid			sys_setregid
+113	n32	getgroups			sys_getgroups
+114	n32	setgroups			sys_setgroups
+115	n32	setresuid			sys_setresuid
+116	n32	getresuid			sys_getresuid
+117	n32	setresgid			sys_setresgid
+118	n32	getresgid			sys_getresgid
+119	n32	getpgid				sys_getpgid
+120	n32	setfsuid			sys_setfsuid
+121	n32	setfsgid			sys_setfsgid
+122	n32	getsid				sys_getsid
+123	n32	capget				sys_capget
+124	n32	capset				sys_capset
+125	n32	rt_sigpending			compat_sys_rt_sigpending
+126	n32	rt_sigtimedwait			compat_sys_rt_sigtimedwait_time32
+127	n32	rt_sigqueueinfo			compat_sys_rt_sigqueueinfo
+128	n32	rt_sigsuspend			compat_sys_rt_sigsuspend
+129	n32	sigaltstack			compat_sys_sigaltstack
+130	n32	utime				sys_utime32
+131	n32	mknod				sys_mknod
+132	n32	personality			sys_32_personality
+133	n32	ustat				compat_sys_ustat
+134	n32	statfs				compat_sys_statfs
+135	n32	fstatfs				compat_sys_fstatfs
+136	n32	sysfs				sys_sysfs
+137	n32	getpriority			sys_getpriority
+138	n32	setpriority			sys_setpriority
+139	n32	sched_setparam			sys_sched_setparam
+140	n32	sched_getparam			sys_sched_getparam
+141	n32	sched_setscheduler		sys_sched_setscheduler
+142	n32	sched_getscheduler		sys_sched_getscheduler
+143	n32	sched_get_priority_max		sys_sched_get_priority_max
+144	n32	sched_get_priority_min		sys_sched_get_priority_min
+145	n32	sched_rr_get_interval		sys_sched_rr_get_interval_time32
+146	n32	mlock				sys_mlock
+147	n32	munlock				sys_munlock
+148	n32	mlockall			sys_mlockall
+149	n32	munlockall			sys_munlockall
+150	n32	vhangup				sys_vhangup
+151	n32	pivot_root			sys_pivot_root
+152	n32	_sysctl				sys_ni_syscall
+153	n32	prctl				sys_prctl
+154	n32	adjtimex			sys_adjtimex_time32
+155	n32	setrlimit			compat_sys_setrlimit
+156	n32	chroot				sys_chroot
+157	n32	sync				sys_sync
+158	n32	acct				sys_acct
+159	n32	settimeofday			compat_sys_settimeofday
+160	n32	mount				sys_mount
+161	n32	umount2				sys_umount
+162	n32	swapon				sys_swapon
+163	n32	swapoff				sys_swapoff
+164	n32	reboot				sys_reboot
+165	n32	sethostname			sys_sethostname
+166	n32	setdomainname			sys_setdomainname
+167	n32	create_module			sys_ni_syscall
+168	n32	init_module			sys_init_module
+169	n32	delete_module			sys_delete_module
+170	n32	get_kernel_syms			sys_ni_syscall
+171	n32	query_module			sys_ni_syscall
+172	n32	quotactl			sys_quotactl
+173	n32	nfsservctl			sys_ni_syscall
+174	n32	getpmsg				sys_ni_syscall
+175	n32	putpmsg				sys_ni_syscall
+176	n32	afs_syscall			sys_ni_syscall
+# 177 reserved for security
+177	n32	reserved177			sys_ni_syscall
+178	n32	gettid				sys_gettid
+179	n32	readahead			sys_readahead
+180	n32	setxattr			sys_setxattr
+181	n32	lsetxattr			sys_lsetxattr
+182	n32	fsetxattr			sys_fsetxattr
+183	n32	getxattr			sys_getxattr
+184	n32	lgetxattr			sys_lgetxattr
+185	n32	fgetxattr			sys_fgetxattr
+186	n32	listxattr			sys_listxattr
+187	n32	llistxattr			sys_llistxattr
+188	n32	flistxattr			sys_flistxattr
+189	n32	removexattr			sys_removexattr
+190	n32	lremovexattr			sys_lremovexattr
+191	n32	fremovexattr			sys_fremovexattr
+192	n32	tkill				sys_tkill
+193	n32	reserved193			sys_ni_syscall
+194	n32	futex				sys_futex_time32
+195	n32	sched_setaffinity		compat_sys_sched_setaffinity
+196	n32	sched_getaffinity		compat_sys_sched_getaffinity
+197	n32	cacheflush			sys_cacheflush
+198	n32	cachectl			sys_cachectl
+199	n32	sysmips				__sys_sysmips
+200	n32	io_setup			compat_sys_io_setup
+201	n32	io_destroy			sys_io_destroy
+202	n32	io_getevents			sys_io_getevents_time32
+203	n32	io_submit			compat_sys_io_submit
+204	n32	io_cancel			sys_io_cancel
+205	n32	exit_group			sys_exit_group
+206	n32	lookup_dcookie			sys_lookup_dcookie
+207	n32	epoll_create			sys_epoll_create
+208	n32	epoll_ctl			sys_epoll_ctl
+209	n32	epoll_wait			sys_epoll_wait
+210	n32	remap_file_pages		sys_remap_file_pages
+211	n32	rt_sigreturn			sysn32_rt_sigreturn
+212	n32	fcntl64				compat_sys_fcntl64
+213	n32	set_tid_address			sys_set_tid_address
+214	n32	restart_syscall			sys_restart_syscall
+215	n32	semtimedop			sys_semtimedop_time32
+216	n32	fadvise64			sys_fadvise64_64
+217	n32	statfs64			compat_sys_statfs64
+218	n32	fstatfs64			compat_sys_fstatfs64
+219	n32	sendfile64			sys_sendfile64
+220	n32	timer_create			compat_sys_timer_create
+221	n32	timer_settime			sys_timer_settime32
+222	n32	timer_gettime			sys_timer_gettime32
+223	n32	timer_getoverrun		sys_timer_getoverrun
+224	n32	timer_delete			sys_timer_delete
+225	n32	clock_settime			sys_clock_settime32
+226	n32	clock_gettime			sys_clock_gettime32
+227	n32	clock_getres			sys_clock_getres_time32
+228	n32	clock_nanosleep			sys_clock_nanosleep_time32
+229	n32	tgkill				sys_tgkill
+230	n32	utimes				sys_utimes_time32
+231	n32	mbind				compat_sys_mbind
+232	n32	get_mempolicy			compat_sys_get_mempolicy
+233	n32	set_mempolicy			compat_sys_set_mempolicy
+234	n32	mq_open				compat_sys_mq_open
+235	n32	mq_unlink			sys_mq_unlink
+236	n32	mq_timedsend			sys_mq_timedsend_time32
+237	n32	mq_timedreceive			sys_mq_timedreceive_time32
+238	n32	mq_notify			compat_sys_mq_notify
+239	n32	mq_getsetattr			compat_sys_mq_getsetattr
+240	n32	vserver				sys_ni_syscall
+241	n32	waitid				compat_sys_waitid
+# 242 was sys_setaltroot
+243	n32	add_key				sys_add_key
+244	n32	request_key			sys_request_key
+245	n32	keyctl				compat_sys_keyctl
+246	n32	set_thread_area			sys_set_thread_area
+247	n32	inotify_init			sys_inotify_init
+248	n32	inotify_add_watch		sys_inotify_add_watch
+249	n32	inotify_rm_watch		sys_inotify_rm_watch
+250	n32	migrate_pages			compat_sys_migrate_pages
+251	n32	openat				sys_openat
+252	n32	mkdirat				sys_mkdirat
+253	n32	mknodat				sys_mknodat
+254	n32	fchownat			sys_fchownat
+255	n32	futimesat			sys_futimesat_time32
+256	n32	newfstatat			sys_newfstatat
+257	n32	unlinkat			sys_unlinkat
+258	n32	renameat			sys_renameat
+259	n32	linkat				sys_linkat
+260	n32	symlinkat			sys_symlinkat
+261	n32	readlinkat			sys_readlinkat
+262	n32	fchmodat			sys_fchmodat
+263	n32	faccessat			sys_faccessat
+264	n32	pselect6			compat_sys_pselect6_time32
+265	n32	ppoll				compat_sys_ppoll_time32
+266	n32	unshare				sys_unshare
+267	n32	splice				sys_splice
+268	n32	sync_file_range			sys_sync_file_range
+269	n32	tee				sys_tee
+270	n32	vmsplice			sys_vmsplice
+271	n32	move_pages			compat_sys_move_pages
+272	n32	set_robust_list			compat_sys_set_robust_list
+273	n32	get_robust_list			compat_sys_get_robust_list
+274	n32	kexec_load			compat_sys_kexec_load
+275	n32	getcpu				sys_getcpu
+276	n32	epoll_pwait			compat_sys_epoll_pwait
+277	n32	ioprio_set			sys_ioprio_set
+278	n32	ioprio_get			sys_ioprio_get
+279	n32	utimensat			sys_utimensat_time32
+280	n32	signalfd			compat_sys_signalfd
+281	n32	timerfd				sys_ni_syscall
+282	n32	eventfd				sys_eventfd
+283	n32	fallocate			sys_fallocate
+284	n32	timerfd_create			sys_timerfd_create
+285	n32	timerfd_gettime			sys_timerfd_gettime32
+286	n32	timerfd_settime			sys_timerfd_settime32
+287	n32	signalfd4			compat_sys_signalfd4
+288	n32	eventfd2			sys_eventfd2
+289	n32	epoll_create1			sys_epoll_create1
+290	n32	dup3				sys_dup3
+291	n32	pipe2				sys_pipe2
+292	n32	inotify_init1			sys_inotify_init1
+293	n32	preadv				compat_sys_preadv
+294	n32	pwritev				compat_sys_pwritev
+295	n32	rt_tgsigqueueinfo		compat_sys_rt_tgsigqueueinfo
+296	n32	perf_event_open			sys_perf_event_open
+297	n32	accept4				sys_accept4
+298	n32	recvmmsg			compat_sys_recvmmsg_time32
+299	n32	getdents64			sys_getdents64
+300	n32	fanotify_init			sys_fanotify_init
+301	n32	fanotify_mark			sys_fanotify_mark
+302	n32	prlimit64			sys_prlimit64
+303	n32	name_to_handle_at		sys_name_to_handle_at
+304	n32	open_by_handle_at		sys_open_by_handle_at
+305	n32	clock_adjtime			sys_clock_adjtime32
+306	n32	syncfs				sys_syncfs
+307	n32	sendmmsg			compat_sys_sendmmsg
+308	n32	setns				sys_setns
+309	n32	process_vm_readv		sys_process_vm_readv
+310	n32	process_vm_writev		sys_process_vm_writev
+311	n32	kcmp				sys_kcmp
+312	n32	finit_module			sys_finit_module
+313	n32	sched_setattr			sys_sched_setattr
+314	n32	sched_getattr			sys_sched_getattr
+315	n32	renameat2			sys_renameat2
+316	n32	seccomp				sys_seccomp
+317	n32	getrandom			sys_getrandom
+318	n32	memfd_create			sys_memfd_create
+319	n32	bpf				sys_bpf
+320	n32	execveat			compat_sys_execveat
+321	n32	userfaultfd			sys_userfaultfd
+322	n32	membarrier			sys_membarrier
+323	n32	mlock2				sys_mlock2
+324	n32	copy_file_range			sys_copy_file_range
+325	n32	preadv2				compat_sys_preadv2
+326	n32	pwritev2			compat_sys_pwritev2
+327	n32	pkey_mprotect			sys_pkey_mprotect
+328	n32	pkey_alloc			sys_pkey_alloc
+329	n32	pkey_free			sys_pkey_free
+330	n32	statx				sys_statx
+331	n32	rseq				sys_rseq
+332	n32	io_pgetevents			compat_sys_io_pgetevents
+# 333 through 402 are unassigned to sync up with generic numbers
+403	n32	clock_gettime64			sys_clock_gettime
+404	n32	clock_settime64			sys_clock_settime
+405	n32	clock_adjtime64			sys_clock_adjtime
+406	n32	clock_getres_time64		sys_clock_getres
+407	n32	clock_nanosleep_time64		sys_clock_nanosleep
+408	n32	timer_gettime64			sys_timer_gettime
+409	n32	timer_settime64			sys_timer_settime
+410	n32	timerfd_gettime64		sys_timerfd_gettime
+411	n32	timerfd_settime64		sys_timerfd_settime
+412	n32	utimensat_time64		sys_utimensat
+413	n32	pselect6_time64			compat_sys_pselect6_time64
+414	n32	ppoll_time64			compat_sys_ppoll_time64
+416	n32	io_pgetevents_time64		sys_io_pgetevents
+417	n32	recvmmsg_time64			compat_sys_recvmmsg_time64
+418	n32	mq_timedsend_time64		sys_mq_timedsend
+419	n32	mq_timedreceive_time64		sys_mq_timedreceive
+420	n32	semtimedop_time64		sys_semtimedop
+421	n32	rt_sigtimedwait_time64		compat_sys_rt_sigtimedwait_time64
+422	n32	futex_time64			sys_futex
+423	n32	sched_rr_get_interval_time64	sys_sched_rr_get_interval
+424	n32	pidfd_send_signal		sys_pidfd_send_signal
+425	n32	io_uring_setup			sys_io_uring_setup
+426	n32	io_uring_enter			sys_io_uring_enter
+427	n32	io_uring_register		sys_io_uring_register
+428	n32	open_tree			sys_open_tree
+429	n32	move_mount			sys_move_mount
+430	n32	fsopen				sys_fsopen
+431	n32	fsconfig			sys_fsconfig
+432	n32	fsmount				sys_fsmount
+433	n32	fspick				sys_fspick
+434	n32	pidfd_open			sys_pidfd_open
+435	n32	clone3				__sys_clone3
+436	n32	close_range			sys_close_range
+437	n32	openat2				sys_openat2
+438	n32	pidfd_getfd			sys_pidfd_getfd
+439	n32	faccessat2			sys_faccessat2
+440	n32	process_madvise			sys_process_madvise
+441	n32	epoll_pwait2			compat_sys_epoll_pwait2
+442	n32	mount_setattr			sys_mount_setattr
+# 443 reserved for quotactl_path
+444	n32	landlock_create_ruleset		sys_landlock_create_ruleset
+445	n32	landlock_add_rule		sys_landlock_add_rule
+446	n32	landlock_restrict_self		sys_landlock_restrict_self
diff --git a/linux-user/mips64/syscall_n64.tbl b/linux-user/mips64/syscall_n64.tbl
new file mode 100644
index 000000000..9cd1c34f3
--- /dev/null
+++ b/linux-user/mips64/syscall_n64.tbl
@@ -0,0 +1,363 @@
+# SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
+#
+# system call numbers and entry vectors for mips
+#
+# The format is:
+# <number> <abi> <name> <entry point>
+#
+# The <abi> is always "n64" for this file.
+#
+0	n64	read				sys_read
+1	n64	write				sys_write
+2	n64	open				sys_open
+3	n64	close				sys_close
+4	n64	stat				sys_newstat
+5	n64	fstat				sys_newfstat
+6	n64	lstat				sys_newlstat
+7	n64	poll				sys_poll
+8	n64	lseek				sys_lseek
+9	n64	mmap				sys_mips_mmap
+10	n64	mprotect			sys_mprotect
+11	n64	munmap				sys_munmap
+12	n64	brk				sys_brk
+13	n64	rt_sigaction			sys_rt_sigaction
+14	n64	rt_sigprocmask			sys_rt_sigprocmask
+15	n64	ioctl				sys_ioctl
+16	n64	pread64				sys_pread64
+17	n64	pwrite64			sys_pwrite64
+18	n64	readv				sys_readv
+19	n64	writev				sys_writev
+20	n64	access				sys_access
+21	n64	pipe				sysm_pipe
+22	n64	_newselect			sys_select
+23	n64	sched_yield			sys_sched_yield
+24	n64	mremap				sys_mremap
+25	n64	msync				sys_msync
+26	n64	mincore				sys_mincore
+27	n64	madvise				sys_madvise
+28	n64	shmget				sys_shmget
+29	n64	shmat				sys_shmat
+30	n64	shmctl				sys_old_shmctl
+31	n64	dup				sys_dup
+32	n64	dup2				sys_dup2
+33	n64	pause				sys_pause
+34	n64	nanosleep			sys_nanosleep
+35	n64	getitimer			sys_getitimer
+36	n64	setitimer			sys_setitimer
+37	n64	alarm				sys_alarm
+38	n64	getpid				sys_getpid
+39	n64	sendfile			sys_sendfile64
+40	n64	socket				sys_socket
+41	n64	connect				sys_connect
+42	n64	accept				sys_accept
+43	n64	sendto				sys_sendto
+44	n64	recvfrom			sys_recvfrom
+45	n64	sendmsg				sys_sendmsg
+46	n64	recvmsg				sys_recvmsg
+47	n64	shutdown			sys_shutdown
+48	n64	bind				sys_bind
+49	n64	listen				sys_listen
+50	n64	getsockname			sys_getsockname
+51	n64	getpeername			sys_getpeername
+52	n64	socketpair			sys_socketpair
+53	n64	setsockopt			sys_setsockopt
+54	n64	getsockopt			sys_getsockopt
+55	n64	clone				__sys_clone
+56	n64	fork				__sys_fork
+57	n64	execve				sys_execve
+58	n64	exit				sys_exit
+59	n64	wait4				sys_wait4
+60	n64	kill				sys_kill
+61	n64	uname				sys_newuname
+62	n64	semget				sys_semget
+63	n64	semop				sys_semop
+64	n64	semctl				sys_old_semctl
+65	n64	shmdt				sys_shmdt
+66	n64	msgget				sys_msgget
+67	n64	msgsnd				sys_msgsnd
+68	n64	msgrcv				sys_msgrcv
+69	n64	msgctl				sys_old_msgctl
+70	n64	fcntl				sys_fcntl
+71	n64	flock				sys_flock
+72	n64	fsync				sys_fsync
+73	n64	fdatasync			sys_fdatasync
+74	n64	truncate			sys_truncate
+75	n64	ftruncate			sys_ftruncate
+76	n64	getdents			sys_getdents
+77	n64	getcwd				sys_getcwd
+78	n64	chdir				sys_chdir
+79	n64	fchdir				sys_fchdir
+80	n64	rename				sys_rename
+81	n64	mkdir				sys_mkdir
+82	n64	rmdir				sys_rmdir
+83	n64	creat				sys_creat
+84	n64	link				sys_link
+85	n64	unlink				sys_unlink
+86	n64	symlink				sys_symlink
+87	n64	readlink			sys_readlink
+88	n64	chmod				sys_chmod
+89	n64	fchmod				sys_fchmod
+90	n64	chown				sys_chown
+91	n64	fchown				sys_fchown
+92	n64	lchown				sys_lchown
+93	n64	umask				sys_umask
+94	n64	gettimeofday			sys_gettimeofday
+95	n64	getrlimit			sys_getrlimit
+96	n64	getrusage			sys_getrusage
+97	n64	sysinfo				sys_sysinfo
+98	n64	times				sys_times
+99	n64	ptrace				sys_ptrace
+100	n64	getuid				sys_getuid
+101	n64	syslog				sys_syslog
+102	n64	getgid				sys_getgid
+103	n64	setuid				sys_setuid
+104	n64	setgid				sys_setgid
+105	n64	geteuid				sys_geteuid
+106	n64	getegid				sys_getegid
+107	n64	setpgid				sys_setpgid
+108	n64	getppid				sys_getppid
+109	n64	getpgrp				sys_getpgrp
+110	n64	setsid				sys_setsid
+111	n64	setreuid			sys_setreuid
+112	n64	setregid			sys_setregid
+113	n64	getgroups			sys_getgroups
+114	n64	setgroups			sys_setgroups
+115	n64	setresuid			sys_setresuid
+116	n64	getresuid			sys_getresuid
+117	n64	setresgid			sys_setresgid
+118	n64	getresgid			sys_getresgid
+119	n64	getpgid				sys_getpgid
+120	n64	setfsuid			sys_setfsuid
+121	n64	setfsgid			sys_setfsgid
+122	n64	getsid				sys_getsid
+123	n64	capget				sys_capget
+124	n64	capset				sys_capset
+125	n64	rt_sigpending			sys_rt_sigpending
+126	n64	rt_sigtimedwait			sys_rt_sigtimedwait
+127	n64	rt_sigqueueinfo			sys_rt_sigqueueinfo
+128	n64	rt_sigsuspend			sys_rt_sigsuspend
+129	n64	sigaltstack			sys_sigaltstack
+130	n64	utime				sys_utime
+131	n64	mknod				sys_mknod
+132	n64	personality			sys_personality
+133	n64	ustat				sys_ustat
+134	n64	statfs				sys_statfs
+135	n64	fstatfs				sys_fstatfs
+136	n64	sysfs				sys_sysfs
+137	n64	getpriority			sys_getpriority
+138	n64	setpriority			sys_setpriority
+139	n64	sched_setparam			sys_sched_setparam
+140	n64	sched_getparam			sys_sched_getparam
+141	n64	sched_setscheduler		sys_sched_setscheduler
+142	n64	sched_getscheduler		sys_sched_getscheduler
+143	n64	sched_get_priority_max		sys_sched_get_priority_max
+144	n64	sched_get_priority_min		sys_sched_get_priority_min
+145	n64	sched_rr_get_interval		sys_sched_rr_get_interval
+146	n64	mlock				sys_mlock
+147	n64	munlock				sys_munlock
+148	n64	mlockall			sys_mlockall
+149	n64	munlockall			sys_munlockall
+150	n64	vhangup				sys_vhangup
+151	n64	pivot_root			sys_pivot_root
+152	n64	_sysctl				sys_ni_syscall
+153	n64	prctl				sys_prctl
+154	n64	adjtimex			sys_adjtimex
+155	n64	setrlimit			sys_setrlimit
+156	n64	chroot				sys_chroot
+157	n64	sync				sys_sync
+158	n64	acct				sys_acct
+159	n64	settimeofday			sys_settimeofday
+160	n64	mount				sys_mount
+161	n64	umount2				sys_umount
+162	n64	swapon				sys_swapon
+163	n64	swapoff				sys_swapoff
+164	n64	reboot				sys_reboot
+165	n64	sethostname			sys_sethostname
+166	n64	setdomainname			sys_setdomainname
+167	n64	create_module			sys_ni_syscall
+168	n64	init_module			sys_init_module
+169	n64	delete_module			sys_delete_module
+170	n64	get_kernel_syms			sys_ni_syscall
+171	n64	query_module			sys_ni_syscall
+172	n64	quotactl			sys_quotactl
+173	n64	nfsservctl			sys_ni_syscall
+174	n64	getpmsg				sys_ni_syscall
+175	n64	putpmsg				sys_ni_syscall
+176	n64	afs_syscall			sys_ni_syscall
+# 177 reserved for security
+177	n64	reserved177			sys_ni_syscall
+178	n64	gettid				sys_gettid
+179	n64	readahead			sys_readahead
+180	n64	setxattr			sys_setxattr
+181	n64	lsetxattr			sys_lsetxattr
+182	n64	fsetxattr			sys_fsetxattr
+183	n64	getxattr			sys_getxattr
+184	n64	lgetxattr			sys_lgetxattr
+185	n64	fgetxattr			sys_fgetxattr
+186	n64	listxattr			sys_listxattr
+187	n64	llistxattr			sys_llistxattr
+188	n64	flistxattr			sys_flistxattr
+189	n64	removexattr			sys_removexattr
+190	n64	lremovexattr			sys_lremovexattr
+191	n64	fremovexattr			sys_fremovexattr
+192	n64	tkill				sys_tkill
+193	n64	reserved193			sys_ni_syscall
+194	n64	futex				sys_futex
+195	n64	sched_setaffinity		sys_sched_setaffinity
+196	n64	sched_getaffinity		sys_sched_getaffinity
+197	n64	cacheflush			sys_cacheflush
+198	n64	cachectl			sys_cachectl
+199	n64	sysmips				__sys_sysmips
+200	n64	io_setup			sys_io_setup
+201	n64	io_destroy			sys_io_destroy
+202	n64	io_getevents			sys_io_getevents
+203	n64	io_submit			sys_io_submit
+204	n64	io_cancel			sys_io_cancel
+205	n64	exit_group			sys_exit_group
+206	n64	lookup_dcookie			sys_lookup_dcookie
+207	n64	epoll_create			sys_epoll_create
+208	n64	epoll_ctl			sys_epoll_ctl
+209	n64	epoll_wait			sys_epoll_wait
+210	n64	remap_file_pages		sys_remap_file_pages
+211	n64	rt_sigreturn			sys_rt_sigreturn
+212	n64	set_tid_address			sys_set_tid_address
+213	n64	restart_syscall			sys_restart_syscall
+214	n64	semtimedop			sys_semtimedop
+215	n64	fadvise64			sys_fadvise64_64
+216	n64	timer_create			sys_timer_create
+217	n64	timer_settime			sys_timer_settime
+218	n64	timer_gettime			sys_timer_gettime
+219	n64	timer_getoverrun		sys_timer_getoverrun
+220	n64	timer_delete			sys_timer_delete
+221	n64	clock_settime			sys_clock_settime
+222	n64	clock_gettime			sys_clock_gettime
+223	n64	clock_getres			sys_clock_getres
+224	n64	clock_nanosleep			sys_clock_nanosleep
+225	n64	tgkill				sys_tgkill
+226	n64	utimes				sys_utimes
+227	n64	mbind				sys_mbind
+228	n64	get_mempolicy			sys_get_mempolicy
+229	n64	set_mempolicy			sys_set_mempolicy
+230	n64	mq_open				sys_mq_open
+231	n64	mq_unlink			sys_mq_unlink
+232	n64	mq_timedsend			sys_mq_timedsend
+233	n64	mq_timedreceive			sys_mq_timedreceive
+234	n64	mq_notify			sys_mq_notify
+235	n64	mq_getsetattr			sys_mq_getsetattr
+236	n64	vserver				sys_ni_syscall
+237	n64	waitid				sys_waitid
+# 238 was sys_setaltroot
+239	n64	add_key				sys_add_key
+240	n64	request_key			sys_request_key
+241	n64	keyctl				sys_keyctl
+242	n64	set_thread_area			sys_set_thread_area
+243	n64	inotify_init			sys_inotify_init
+244	n64	inotify_add_watch		sys_inotify_add_watch
+245	n64	inotify_rm_watch		sys_inotify_rm_watch
+246	n64	migrate_pages			sys_migrate_pages
+247	n64	openat				sys_openat
+248	n64	mkdirat				sys_mkdirat
+249	n64	mknodat				sys_mknodat
+250	n64	fchownat			sys_fchownat
+251	n64	futimesat			sys_futimesat
+252	n64	newfstatat			sys_newfstatat
+253	n64	unlinkat			sys_unlinkat
+254	n64	renameat			sys_renameat
+255	n64	linkat				sys_linkat
+256	n64	symlinkat			sys_symlinkat
+257	n64	readlinkat			sys_readlinkat
+258	n64	fchmodat			sys_fchmodat
+259	n64	faccessat			sys_faccessat
+260	n64	pselect6			sys_pselect6
+261	n64	ppoll				sys_ppoll
+262	n64	unshare				sys_unshare
+263	n64	splice				sys_splice
+264	n64	sync_file_range			sys_sync_file_range
+265	n64	tee				sys_tee
+266	n64	vmsplice			sys_vmsplice
+267	n64	move_pages			sys_move_pages
+268	n64	set_robust_list			sys_set_robust_list
+269	n64	get_robust_list			sys_get_robust_list
+270	n64	kexec_load			sys_kexec_load
+271	n64	getcpu				sys_getcpu
+272	n64	epoll_pwait			sys_epoll_pwait
+273	n64	ioprio_set			sys_ioprio_set
+274	n64	ioprio_get			sys_ioprio_get
+275	n64	utimensat			sys_utimensat
+276	n64	signalfd			sys_signalfd
+277	n64	timerfd				sys_ni_syscall
+278	n64	eventfd				sys_eventfd
+279	n64	fallocate			sys_fallocate
+280	n64	timerfd_create			sys_timerfd_create
+281	n64	timerfd_gettime			sys_timerfd_gettime
+282	n64	timerfd_settime			sys_timerfd_settime
+283	n64	signalfd4			sys_signalfd4
+284	n64	eventfd2			sys_eventfd2
+285	n64	epoll_create1			sys_epoll_create1
+286	n64	dup3				sys_dup3
+287	n64	pipe2				sys_pipe2
+288	n64	inotify_init1			sys_inotify_init1
+289	n64	preadv				sys_preadv
+290	n64	pwritev				sys_pwritev
+291	n64	rt_tgsigqueueinfo		sys_rt_tgsigqueueinfo
+292	n64	perf_event_open			sys_perf_event_open
+293	n64	accept4				sys_accept4
+294	n64	recvmmsg			sys_recvmmsg
+295	n64	fanotify_init			sys_fanotify_init
+296	n64	fanotify_mark			sys_fanotify_mark
+297	n64	prlimit64			sys_prlimit64
+298	n64	name_to_handle_at		sys_name_to_handle_at
+299	n64	open_by_handle_at		sys_open_by_handle_at
+300	n64	clock_adjtime			sys_clock_adjtime
+301	n64	syncfs				sys_syncfs
+302	n64	sendmmsg			sys_sendmmsg
+303	n64	setns				sys_setns
+304	n64	process_vm_readv		sys_process_vm_readv
+305	n64	process_vm_writev		sys_process_vm_writev
+306	n64	kcmp				sys_kcmp
+307	n64	finit_module			sys_finit_module
+308	n64	getdents64			sys_getdents64
+309	n64	sched_setattr			sys_sched_setattr
+310	n64	sched_getattr			sys_sched_getattr
+311	n64	renameat2			sys_renameat2
+312	n64	seccomp				sys_seccomp
+313	n64	getrandom			sys_getrandom
+314	n64	memfd_create			sys_memfd_create
+315	n64	bpf				sys_bpf
+316	n64	execveat			sys_execveat
+317	n64	userfaultfd			sys_userfaultfd
+318	n64	membarrier			sys_membarrier
+319	n64	mlock2				sys_mlock2
+320	n64	copy_file_range			sys_copy_file_range
+321	n64	preadv2				sys_preadv2
+322	n64	pwritev2			sys_pwritev2
+323	n64	pkey_mprotect			sys_pkey_mprotect
+324	n64	pkey_alloc			sys_pkey_alloc
+325	n64	pkey_free			sys_pkey_free
+326	n64	statx				sys_statx
+327	n64	rseq				sys_rseq
+328	n64	io_pgetevents			sys_io_pgetevents
+# 329 through 423 are reserved to sync up with other architectures
+424	n64	pidfd_send_signal		sys_pidfd_send_signal
+425	n64	io_uring_setup			sys_io_uring_setup
+426	n64	io_uring_enter			sys_io_uring_enter
+427	n64	io_uring_register		sys_io_uring_register
+428	n64	open_tree			sys_open_tree
+429	n64	move_mount			sys_move_mount
+430	n64	fsopen				sys_fsopen
+431	n64	fsconfig			sys_fsconfig
+432	n64	fsmount				sys_fsmount
+433	n64	fspick				sys_fspick
+434	n64	pidfd_open			sys_pidfd_open
+435	n64	clone3				__sys_clone3
+436	n64	close_range			sys_close_range
+437	n64	openat2				sys_openat2
+438	n64	pidfd_getfd			sys_pidfd_getfd
+439	n64	faccessat2			sys_faccessat2
+440	n64	process_madvise			sys_process_madvise
+441	n64	epoll_pwait2			sys_epoll_pwait2
+442	n64	mount_setattr			sys_mount_setattr
+# 443 reserved for quotactl_path
+444	n64	landlock_create_ruleset		sys_landlock_create_ruleset
+445	n64	landlock_add_rule		sys_landlock_add_rule
+446	n64	landlock_restrict_self		sys_landlock_restrict_self
diff --git a/linux-user/mips64/syscall_nr.h b/linux-user/mips64/syscall_nr.h
new file mode 100644
index 000000000..6579421fa
--- /dev/null
+++ b/linux-user/mips64/syscall_nr.h
@@ -0,0 +1,10 @@
+#if defined(TARGET_ABI_MIPSO32)
+#define TARGET_SYSCALL_OFFSET 4000
+#include "syscall_o32_nr.h"
+#elif defined(TARGET_ABI_MIPSN32)
+#define TARGET_SYSCALL_OFFSET 6000
+#include "syscall_n32_nr.h"
+#else
+#define TARGET_SYSCALL_OFFSET 5000
+#include "syscall_n64_nr.h"
+#endif
diff --git a/linux-user/mips64/syscallhdr.sh b/linux-user/mips64/syscallhdr.sh
new file mode 100644
index 000000000..ed5a45165
--- /dev/null
+++ b/linux-user/mips64/syscallhdr.sh
@@ -0,0 +1,33 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+
+in="$1"
+out="$2"
+my_abis=`echo "($3)" | tr ',' '|'`
+prefix="$4"
+offset="$5"
+
+fileguard=LINUX_USER_MIPS64_`basename "$out" | sed \
+    -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' \
+    -e 's/[^A-Z0-9_]/_/g' -e 's/__/_/g'`
+grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | (
+    printf "#ifndef %s\n" "${fileguard}"
+    printf "#define %s\n" "${fileguard}"
+    printf "\n"
+
+    nxt=0
+    while read nr abi name entry compat ; do
+        if [ -z "$offset" ]; then
+            printf "#define TARGET_NR_%s%s\t%s\n" \
+                "${prefix}" "${name}" "${nr}"
+        else
+            printf "#define TARGET_NR_%s%s\t(%s + %s)\n" \
+                "${prefix}" "${name}" "${offset}" "${nr}"
+        fi
+        nxt=$((nr+1))
+    done
+
+    printf "\n"
+    printf "#endif /* %s */" "${fileguard}"
+    printf "\n"
+) > "$out"
diff --git a/linux-user/mips64/target_cpu.h b/linux-user/mips64/target_cpu.h
new file mode 100644
index 000000000..2857a76af
--- /dev/null
+++ b/linux-user/mips64/target_cpu.h
@@ -0,0 +1,19 @@
+/*
+ * MIPS64 specific structures for linux-user
+ *
+ * Copyright (c) 2013 Fabrice Bellard
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+#include "../mips/target_cpu.h"
diff --git a/linux-user/mips64/target_elf.h b/linux-user/mips64/target_elf.h
new file mode 100644
index 000000000..5f2f2df29
--- /dev/null
+++ b/linux-user/mips64/target_elf.h
@@ -0,0 +1,20 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation, or (at your option) any
+ * later version. See the COPYING file in the top-level directory.
+ */
+
+#ifndef MIPS64_TARGET_ELF_H
+#define MIPS64_TARGET_ELF_H
+static inline const char *cpu_get_model(uint32_t eflags)
+{
+    if ((eflags & EF_MIPS_ARCH) == EF_MIPS_ARCH_64R6) {
+        return "I6400";
+    }
+    if ((eflags & EF_MIPS_MACH) == EF_MIPS_MACH_5900) {
+        return "R5900";
+    }
+    return "5KEf";
+}
+#endif
diff --git a/linux-user/mips64/target_errno_defs.h b/linux-user/mips64/target_errno_defs.h
new file mode 100644
index 000000000..fb7b4628a
--- /dev/null
+++ b/linux-user/mips64/target_errno_defs.h
@@ -0,0 +1,10 @@
+#ifndef MIPS64_TARGET_ERRNO_DEFS_H
+#define MIPS64_TARGET_ERRNO_DEFS_H
+
+/*
+ * The mips64 target uses errno definitions taken from asm-mips/errno.h
+ * so directly use the mips target errno definitions.
+ */
+#include "../mips/target_errno_defs.h"
+
+#endif
diff --git a/linux-user/mips64/target_fcntl.h b/linux-user/mips64/target_fcntl.h
new file mode 100644
index 000000000..a511bc0e6
--- /dev/null
+++ b/linux-user/mips64/target_fcntl.h
@@ -0,0 +1 @@
+#include "../mips/target_fcntl.h"
diff --git a/linux-user/mips64/target_signal.h b/linux-user/mips64/target_signal.h
new file mode 100644
index 000000000..275e9b7f9
--- /dev/null
+++ b/linux-user/mips64/target_signal.h
@@ -0,0 +1,81 @@
+#ifndef MIPS64_TARGET_SIGNAL_H
+#define MIPS64_TARGET_SIGNAL_H
+
+#define TARGET_SIGHUP            1      /* Hangup (POSIX).  */
+#define TARGET_SIGINT            2      /* Interrupt (ANSI).  */
+#define TARGET_SIGQUIT           3      /* Quit (POSIX).  */
+#define TARGET_SIGILL            4      /* Illegal instruction (ANSI).  */
+#define TARGET_SIGTRAP           5      /* Trace trap (POSIX).  */
+#define TARGET_SIGIOT            6      /* IOT trap (4.2 BSD).  */
+#define TARGET_SIGABRT           TARGET_SIGIOT  /* Abort (ANSI).  */
+#define TARGET_SIGEMT            7
+#define TARGET_SIGSTKFLT         7 /* XXX: incorrect */
+#define TARGET_SIGFPE            8      /* Floating-point exception (ANSI).  */
+#define TARGET_SIGKILL           9      /* Kill, unblockable (POSIX).  */
+#define TARGET_SIGBUS           10      /* BUS error (4.2 BSD).  */
+#define TARGET_SIGSEGV          11      /* Segmentation violation (ANSI).  */
+#define TARGET_SIGSYS           12
+#define TARGET_SIGPIPE          13      /* Broken pipe (POSIX).  */
+#define TARGET_SIGALRM          14      /* Alarm clock (POSIX).  */
+#define TARGET_SIGTERM          15      /* Termination (ANSI).  */
+#define TARGET_SIGUSR1          16      /* User-defined signal 1 (POSIX).  */
+#define TARGET_SIGUSR2          17      /* User-defined signal 2 (POSIX).  */
+#define TARGET_SIGCHLD          18      /* Child status has changed (POSIX).  */
+#define TARGET_SIGCLD           TARGET_SIGCHLD  /* Same as TARGET_SIGCHLD (System V).  */
+#define TARGET_SIGPWR           19      /* Power failure restart (System V).  */
+#define TARGET_SIGWINCH 20      /* Window size change (4.3 BSD, Sun).  */
+#define TARGET_SIGURG           21      /* Urgent condition on socket (4.2 BSD).  */
+#define TARGET_SIGIO            22      /* I/O now possible (4.2 BSD).  */
+#define TARGET_SIGPOLL          TARGET_SIGIO    /* Pollable event occurred (System V).  */
+#define TARGET_SIGSTOP          23      /* Stop, unblockable (POSIX).  */
+#define TARGET_SIGTSTP          24      /* Keyboard stop (POSIX).  */
+#define TARGET_SIGCONT          25      /* Continue (POSIX).  */
+#define TARGET_SIGTTIN          26      /* Background read from tty (POSIX).  */
+#define TARGET_SIGTTOU          27      /* Background write to tty (POSIX).  */
+#define TARGET_SIGVTALRM        28      /* Virtual alarm clock (4.2 BSD).  */
+#define TARGET_SIGPROF          29      /* Profiling alarm clock (4.2 BSD).  */
+#define TARGET_SIGXCPU          30      /* CPU limit exceeded (4.2 BSD).  */
+#define TARGET_SIGXFSZ          31      /* File size limit exceeded (4.2 BSD).  */
+#define TARGET_SIGRTMIN         32
+
+#define TARGET_SIG_BLOCK        1       /* for blocking signals */
+#define TARGET_SIG_UNBLOCK      2       /* for unblocking signals */
+#define TARGET_SIG_SETMASK      3       /* for setting the signal mask */
+
+/* this struct defines a stack used during syscall handling */
+
+typedef struct target_sigaltstack {
+    abi_ulong ss_sp;
+    abi_ulong ss_size;
+    abi_int ss_flags;
+} target_stack_t;
+
+/*
+ * sigaltstack controls
+ */
+#define TARGET_SS_ONSTACK     1
+#define TARGET_SS_DISABLE     2
+
+#define TARGET_SA_NOCLDSTOP     0x00000001
+#define TARGET_SA_NOCLDWAIT     0x00010000
+#define TARGET_SA_SIGINFO       0x00000008
+#define TARGET_SA_ONSTACK       0x08000000
+#define TARGET_SA_NODEFER       0x40000000
+#define TARGET_SA_RESTART       0x10000000
+#define TARGET_SA_RESETHAND     0x80000000
+
+#define TARGET_MINSIGSTKSZ    2048
+#define TARGET_SIGSTKSZ       8192
+
+/* bit-flags */
+#define TARGET_SS_AUTODISARM (1U << 31) /* disable sas during sighandling */
+/* mask for all SS_xxx flags */
+#define TARGET_SS_FLAG_BITS  TARGET_SS_AUTODISARM
+
+#if defined(TARGET_ABI_MIPSO32)
+/* compare linux/arch/mips/kernel/signal.c:setup_frame() */
+#define TARGET_ARCH_HAS_SETUP_FRAME
+#endif
+#define TARGET_ARCH_HAS_SIGTRAMP_PAGE 1
+
+#endif /* MIPS64_TARGET_SIGNAL_H */
diff --git a/linux-user/mips64/target_structs.h b/linux-user/mips64/target_structs.h
new file mode 100644
index 000000000..a4f619e73
--- /dev/null
+++ b/linux-user/mips64/target_structs.h
@@ -0,0 +1,2 @@
+#include "../mips/target_structs.h"
+
diff --git a/linux-user/mips64/target_syscall.h b/linux-user/mips64/target_syscall.h
new file mode 100644
index 000000000..cd1e1b496
--- /dev/null
+++ b/linux-user/mips64/target_syscall.h
@@ -0,0 +1,42 @@
+#ifndef MIPS64_TARGET_SYSCALL_H
+#define MIPS64_TARGET_SYSCALL_H
+
+/* this struct defines the way the registers are stored on the
+   stack during a system call. */
+
+struct target_pt_regs {
+        /* Saved main processor registers. */
+        target_ulong regs[32];
+
+        /* Saved special registers. */
+        target_ulong cp0_status;
+        target_ulong lo;
+        target_ulong hi;
+        target_ulong cp0_badvaddr;
+        target_ulong cp0_cause;
+        target_ulong cp0_epc;
+};
+
+#define UNAME_MACHINE "mips64"
+#define UNAME_MINIMUM_RELEASE "2.6.32"
+
+#define TARGET_CLONE_BACKWARDS
+#define TARGET_MINSIGSTKSZ      2048
+#define TARGET_MCL_CURRENT 1
+#define TARGET_MCL_FUTURE  2
+#define TARGET_MCL_ONFAULT 4
+
+#define TARGET_FORCE_SHMLBA
+
+static inline abi_ulong target_shmlba(CPUMIPSState *env)
+{
+    return 0x40000;
+}
+
+/* MIPS-specific prctl() options */
+#define TARGET_PR_SET_FP_MODE  45
+#define TARGET_PR_GET_FP_MODE  46
+#define TARGET_PR_FP_MODE_FR   (1 << 0)
+#define TARGET_PR_FP_MODE_FRE  (1 << 1)
+
+#endif /* MIPS64_TARGET_SYSCALL_H */
diff --git a/linux-user/mips64/termbits.h b/linux-user/mips64/termbits.h
new file mode 100644
index 000000000..d0a271e1d
--- /dev/null
+++ b/linux-user/mips64/termbits.h
@@ -0,0 +1,2 @@
+#include "../mips/termbits.h"
+