target/xtensa: add linux-user support

Import list of syscalls from the kernel source. Conditionalize code/data
that is only used with softmmu. Implement exception handlers. Implement
signal hander (only the core registers for now, no coprocessors or TIE).

Cc: Riku Voipio <riku.voipio@iki.fi>
Cc: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>

1 files changed, 437 insertions, 0 deletions

diff --git a/linux-user/xtensa/syscall_nr.h b/linux-user/xtensa/syscall_nr.h
new file mode 100644
index 0000000000..cd5ef45f84
--- /dev/null
+++ b/linux-user/xtensa/syscall_nr.h
@@ -0,0 +1,437 @@
+/*
+ * include/asm-xtensa/unistd.h
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2001 - 2009 Tensilica Inc.
+ */
+
+#ifndef _XTENSA_UNISTD_H
+#define _XTENSA_UNISTD_H
+
+#define TARGET_NR_spill                                0
+#define TARGET_NR_xtensa                               1
+#define TARGET_NR_available4                           2
+#define TARGET_NR_available5                           3
+#define TARGET_NR_available6                           4
+#define TARGET_NR_available7                           5
+#define TARGET_NR_available8                           6
+#define TARGET_NR_available9                           7
+
+/* File Operations */
+
+#define TARGET_NR_open                                 8
+#define TARGET_NR_close                                9
+#define TARGET_NR_dup                                 10
+#define TARGET_NR_dup2                                11
+#define TARGET_NR_read                                12
+#define TARGET_NR_write                               13
+#define TARGET_NR_select                              14
+#define TARGET_NR_lseek                               15
+#define TARGET_NR_poll                                16
+#define TARGET_NR__llseek                             17
+#define TARGET_NR_epoll_wait                          18
+#define TARGET_NR_epoll_ctl                           19
+#define TARGET_NR_epoll_create                        20
+#define TARGET_NR_creat                               21
+#define TARGET_NR_truncate                            22
+#define TARGET_NR_ftruncate                           23
+#define TARGET_NR_readv                               24
+#define TARGET_NR_writev                              25
+#define TARGET_NR_fsync                               26
+#define TARGET_NR_fdatasync                           27
+#define TARGET_NR_truncate64                          28
+#define TARGET_NR_ftruncate64                         29
+#define TARGET_NR_pread64                             30
+#define TARGET_NR_pwrite64                            31
+
+#define TARGET_NR_link                                32
+#define TARGET_NR_rename                              33
+#define TARGET_NR_symlink                             34
+#define TARGET_NR_readlink                            35
+#define TARGET_NR_mknod                               36
+#define TARGET_NR_pipe                                37
+#define TARGET_NR_unlink                              38
+#define TARGET_NR_rmdir                               39
+
+#define TARGET_NR_mkdir                               40
+#define TARGET_NR_chdir                               41
+#define TARGET_NR_fchdir                              42
+#define TARGET_NR_getcwd                              43
+
+#define TARGET_NR_chmod                               44
+#define TARGET_NR_chown                               45
+#define TARGET_NR_stat                                46
+#define TARGET_NR_stat64                              47
+
+#define TARGET_NR_lchown                              48
+#define TARGET_NR_lstat                               49
+#define TARGET_NR_lstat64                             50
+#define TARGET_NR_available51                         51
+
+#define TARGET_NR_fchmod                              52
+#define TARGET_NR_fchown                              53
+#define TARGET_NR_fstat                               54
+#define TARGET_NR_fstat64                             55
+
+#define TARGET_NR_flock                               56
+#define TARGET_NR_access                              57
+#define TARGET_NR_umask                               58
+#define TARGET_NR_getdents                            59
+#define TARGET_NR_getdents64                          60
+#define TARGET_NR_fcntl64                             61
+#define TARGET_NR_fallocate                           62
+#define TARGET_NR_fadvise64_64                        63
+#define TARGET_NR_utime                               64     /* glibc 2.3.3 ?? */
+#define TARGET_NR_utimes                              65
+#define TARGET_NR_ioctl                               66
+#define TARGET_NR_fcntl                               67
+
+#define TARGET_NR_setxattr                            68
+#define TARGET_NR_getxattr                            69
+#define TARGET_NR_listxattr                           70
+#define TARGET_NR_removexattr                         71
+#define TARGET_NR_lsetxattr                           72
+#define TARGET_NR_lgetxattr                           73
+#define TARGET_NR_llistxattr                          74
+#define TARGET_NR_lremovexattr                        75
+#define TARGET_NR_fsetxattr                           76
+#define TARGET_NR_fgetxattr                           77
+#define TARGET_NR_flistxattr                          78
+#define TARGET_NR_fremovexattr                        79
+
+/* File Map / Shared Memory Operations */
+
+#define TARGET_NR_mmap2                               80
+#define TARGET_NR_munmap                              81
+#define TARGET_NR_mprotect                            82
+#define TARGET_NR_brk                                 83
+#define TARGET_NR_mlock                               84
+#define TARGET_NR_munlock                             85
+#define TARGET_NR_mlockall                            86
+#define TARGET_NR_munlockall                          87
+#define TARGET_NR_mremap                              88
+#define TARGET_NR_msync                               89
+#define TARGET_NR_mincore                             90
+#define TARGET_NR_madvise                             91
+#define TARGET_NR_shmget                              92
+#define TARGET_NR_shmat                               93
+#define TARGET_NR_shmctl                              94
+#define TARGET_NR_shmdt                               95
+
+/* Socket Operations */
+
+#define TARGET_NR_socket                              96
+#define TARGET_NR_setsockopt                          97
+#define TARGET_NR_getsockopt                          98
+#define TARGET_NR_shutdown                            99
+
+#define TARGET_NR_bind                               100
+#define TARGET_NR_connect                            101
+#define TARGET_NR_listen                             102
+#define TARGET_NR_accept                             103
+
+#define TARGET_NR_getsockname                        104
+#define TARGET_NR_getpeername                        105
+#define TARGET_NR_sendmsg                            106
+#define TARGET_NR_recvmsg                            107
+#define TARGET_NR_send                               108
+#define TARGET_NR_recv                               109
+#define TARGET_NR_sendto                             110
+#define TARGET_NR_recvfrom                           111
+
+#define TARGET_NR_socketpair                         112
+#define TARGET_NR_sendfile                           113
+#define TARGET_NR_sendfile64                         114
+#define TARGET_NR_sendmmsg                           115
+
+/* Process Operations */
+
+#define TARGET_NR_clone                              116
+#define TARGET_NR_execve                             117
+#define TARGET_NR_exit                               118
+#define TARGET_NR_exit_group                         119
+#define TARGET_NR_getpid                             120
+#define TARGET_NR_wait4                              121
+#define TARGET_NR_waitid                             122
+#define TARGET_NR_kill                               123
+#define TARGET_NR_tkill                              124
+#define TARGET_NR_tgkill                             125
+#define TARGET_NR_set_tid_address                    126
+#define TARGET_NR_gettid                             127
+#define TARGET_NR_setsid                             128
+#define TARGET_NR_getsid                             129
+#define TARGET_NR_prctl                              130
+#define TARGET_NR_personality                        131
+#define TARGET_NR_getpriority                        132
+#define TARGET_NR_setpriority                        133
+#define TARGET_NR_setitimer                          134
+#define TARGET_NR_getitimer                          135
+#define TARGET_NR_setuid                             136
+#define TARGET_NR_getuid                             137
+#define TARGET_NR_setgid                             138
+#define TARGET_NR_getgid                             139
+#define TARGET_NR_geteuid                            140
+#define TARGET_NR_getegid                            141
+#define TARGET_NR_setreuid                           142
+#define TARGET_NR_setregid                           143
+#define TARGET_NR_setresuid                          144
+#define TARGET_NR_getresuid                          145
+#define TARGET_NR_setresgid                          146
+#define TARGET_NR_getresgid                          147
+#define TARGET_NR_setpgid                            148
+#define TARGET_NR_getpgid                            149
+#define TARGET_NR_getppid                            150
+#define TARGET_NR_getpgrp                            151
+
+#define TARGET_NR_reserved152                        152     /* set_thread_area */
+#define TARGET_NR_reserved153                        153     /* get_thread_area */
+#define TARGET_NR_times                              154
+#define TARGET_NR_acct                               155
+#define TARGET_NR_sched_setaffinity                  156
+#define TARGET_NR_sched_getaffinity                  157
+#define TARGET_NR_capget                             158
+#define TARGET_NR_capset                             159
+#define TARGET_NR_ptrace                             160
+#define TARGET_NR_semtimedop                         161
+#define TARGET_NR_semget                             162
+#define TARGET_NR_semop                              163
+#define TARGET_NR_semctl                             164
+#define TARGET_NR_available165                       165
+#define TARGET_NR_msgget                             166
+#define TARGET_NR_msgsnd                             167
+#define TARGET_NR_msgrcv                             168
+#define TARGET_NR_msgctl                             169
+#define TARGET_NR_available170                       170
+
+/* File System */
+
+#define TARGET_NR_umount2                            171
+#define TARGET_NR_mount                              172
+#define TARGET_NR_swapon                             173
+#define TARGET_NR_chroot                             174
+#define TARGET_NR_pivot_root                         175
+#define TARGET_NR_umount                             176
+#define TARGET_NR_swapoff                            177
+#define TARGET_NR_sync                               178
+#define TARGET_NR_syncfs                             179
+#define TARGET_NR_setfsuid                           180
+#define TARGET_NR_setfsgid                           181
+#define TARGET_NR_sysfs                              182
+#define TARGET_NR_ustat                              183
+#define TARGET_NR_statfs                             184
+#define TARGET_NR_fstatfs                            185
+#define TARGET_NR_statfs64                           186
+#define TARGET_NR_fstatfs64                          187
+
+/* System */
+
+#define TARGET_NR_setrlimit                          188
+#define TARGET_NR_getrlimit                          189
+#define TARGET_NR_getrusage                          190
+#define TARGET_NR_futex                              191
+#define TARGET_NR_gettimeofday                       192
+#define TARGET_NR_settimeofday                       193
+#define TARGET_NR_adjtimex                           194
+#define TARGET_NR_nanosleep                          195
+#define TARGET_NR_getgroups                          196
+#define TARGET_NR_setgroups                          197
+#define TARGET_NR_sethostname                        198
+#define TARGET_NR_setdomainname                      199
+#define TARGET_NR_syslog                             200
+#define TARGET_NR_vhangup                            201
+#define TARGET_NR_uselib                             202
+#define TARGET_NR_reboot                             203
+#define TARGET_NR_quotactl                           204
+#define TARGET_NR_nfsservctl                         205
+#define TARGET_NR__sysctl                            206
+#define TARGET_NR_bdflush                            207
+#define TARGET_NR_uname                              208
+#define TARGET_NR_sysinfo                            209
+#define TARGET_NR_init_module                        210
+#define TARGET_NR_delete_module                      211
+
+#define TARGET_NR_sched_setparam                     212
+#define TARGET_NR_sched_getparam                     213
+#define TARGET_NR_sched_setscheduler                 214
+#define TARGET_NR_sched_getscheduler                 215
+#define TARGET_NR_sched_get_priority_max             216
+#define TARGET_NR_sched_get_priority_min             217
+#define TARGET_NR_sched_rr_get_interval              218
+#define TARGET_NR_sched_yield                        219
+#define TARGET_NR_available222                       222
+
+/* Signal Handling */
+
+#define TARGET_NR_restart_syscall                    223
+#define TARGET_NR_sigaltstack                        224
+#define TARGET_NR_rt_sigreturn                       225
+#define TARGET_NR_rt_sigaction                       226
+#define TARGET_NR_rt_sigprocmask                     227
+#define TARGET_NR_rt_sigpending                      228
+#define TARGET_NR_rt_sigtimedwait                    229
+#define TARGET_NR_rt_sigqueueinfo                    230
+#define TARGET_NR_rt_sigsuspend                      231
+
+/* Message */
+
+#define TARGET_NR_mq_open                            232
+#define TARGET_NR_mq_unlink                          233
+#define TARGET_NR_mq_timedsend                       234
+#define TARGET_NR_mq_timedreceive                    235
+#define TARGET_NR_mq_notify                          236
+#define TARGET_NR_mq_getsetattr                      237
+#define TARGET_NR_available238                       238
+
+/* IO */
+
+#define TARGET_NR_io_setup                           239
+#define TARGET_NR_io_destroy                         240
+#define TARGET_NR_io_submit                          241
+#define TARGET_NR_io_getevents                       242
+#define TARGET_NR_io_cancel                          243
+#define TARGET_NR_clock_settime                      244
+#define TARGET_NR_clock_gettime                      245
+#define TARGET_NR_clock_getres                       246
+#define TARGET_NR_clock_nanosleep                    247
+
+/* Timer */
+
+#define TARGET_NR_timer_create                       248
+#define TARGET_NR_timer_delete                       249
+#define TARGET_NR_timer_settime                      250
+#define TARGET_NR_timer_gettime                      251
+#define TARGET_NR_timer_getoverrun                   252
+
+/* System */
+
+#define TARGET_NR_reserved253                        253
+#define TARGET_NR_lookup_dcookie                     254
+#define TARGET_NR_available255                       255
+#define TARGET_NR_add_key                            256
+#define TARGET_NR_request_key                        257
+#define TARGET_NR_keyctl                             258
+#define TARGET_NR_available259                       259
+
+
+#define TARGET_NR_readahead                          260
+#define TARGET_NR_remap_file_pages                   261
+#define TARGET_NR_migrate_pages                      262
+#define TARGET_NR_mbind                              263
+#define TARGET_NR_get_mempolicy                      264
+#define TARGET_NR_set_mempolicy                      265
+#define TARGET_NR_unshare                            266
+#define TARGET_NR_move_pages                         267
+#define TARGET_NR_splice                             268
+#define TARGET_NR_tee                                269
+#define TARGET_NR_vmsplice                           270
+#define TARGET_NR_available271                       271
+
+#define TARGET_NR_pselect6                           272
+#define TARGET_NR_ppoll                              273
+#define TARGET_NR_epoll_pwait                        274
+#define TARGET_NR_epoll_create1                      275
+
+#define TARGET_NR_inotify_init                       276
+#define TARGET_NR_inotify_add_watch                  277
+#define TARGET_NR_inotify_rm_watch                   278
+#define TARGET_NR_inotify_init1                      279
+
+#define TARGET_NR_getcpu                             280
+#define TARGET_NR_kexec_load                         281
+
+#define TARGET_NR_ioprio_set                         282
+#define TARGET_NR_ioprio_get                         283
+
+#define TARGET_NR_set_robust_list                    284
+#define TARGET_NR_get_robust_list                    285
+#define TARGET_NR_available286                       286
+#define TARGET_NR_available287                       287
+
+/* Relative File Operations */
+
+#define TARGET_NR_openat                             288
+#define TARGET_NR_mkdirat                            289
+#define TARGET_NR_mknodat                            290
+#define TARGET_NR_unlinkat                           291
+#define TARGET_NR_renameat                           292
+#define TARGET_NR_linkat                             293
+#define TARGET_NR_symlinkat                          294
+#define TARGET_NR_readlinkat                         295
+#define TARGET_NR_utimensat                          296
+#define TARGET_NR_fchownat                           297
+#define TARGET_NR_futimesat                          298
+#define TARGET_NR_fstatat64                          299
+#define TARGET_NR_fchmodat                           300
+#define TARGET_NR_faccessat                          301
+#define TARGET_NR_available302                       302
+#define TARGET_NR_available303                       303
+
+#define TARGET_NR_signalfd                           304
+/*  305 was TARGET_NR_timerfd  */
+#define TARGET_NR_eventfd                            306
+#define TARGET_NR_recvmmsg                           307
+
+#define TARGET_NR_setns                              308
+#define TARGET_NR_signalfd4                          309
+#define TARGET_NR_dup3                               310
+#define TARGET_NR_pipe2                              311
+
+#define TARGET_NR_timerfd_create                     312
+#define TARGET_NR_timerfd_settime                    313
+#define TARGET_NR_timerfd_gettime                    314
+#define TARGET_NR_available315                       315
+
+#define TARGET_NR_eventfd2                           316
+#define TARGET_NR_preadv                             317
+#define TARGET_NR_pwritev                            318
+#define TARGET_NR_available319                       319
+
+#define TARGET_NR_fanotify_init                      320
+#define TARGET_NR_fanotify_mark                      321
+#define TARGET_NR_process_vm_readv                   322
+#define TARGET_NR_process_vm_writev                  323
+
+#define TARGET_NR_name_to_handle_at                  324
+#define TARGET_NR_open_by_handle_at                  325
+#define TARGET_NR_sync_file_range2                   326
+#define TARGET_NR_perf_event_open                    327
+
+#define TARGET_NR_rt_tgsigqueueinfo                  328
+#define TARGET_NR_clock_adjtime                      329
+#define TARGET_NR_prlimit64                          330
+#define TARGET_NR_kcmp                               331
+
+#define TARGET_NR_finit_module                       332
+
+#define TARGET_NR_accept4                            333
+
+#define TARGET_NR_sched_setattr                      334
+#define TARGET_NR_sched_getattr                      335
+
+#define TARGET_NR_renameat2                          336
+
+#define TARGET_NR_seccomp                            337
+#define TARGET_NR_getrandom                          338
+#define TARGET_NR_memfd_create                       339
+#define TARGET_NR_bpf                                340
+#define TARGET_NR_execveat                           341
+
+#define TARGET_NR_userfaultfd                        342
+#define TARGET_NR_membarrier                         343
+#define TARGET_NR_mlock2                             344
+#define TARGET_NR_copy_file_range                    345
+#define TARGET_NR_preadv2                            346
+#define TARGET_NR_pwritev2                           347
+
+#define TARGET_NR_pkey_mprotect                      348
+#define TARGET_NR_pkey_alloc                         349
+#define TARGET_NR_pkey_free                          350
+
+#define TARGET_NR_statx                              351
+
+#define TARGET_NR_syscall_count                      352
+
+#endif  /* _XTENSA_UNISTD_H */