On 03/26/2018 04:15 PM, Laurent Vivier wrote:
> No code change, only move code from main.c to
> mips/cpu_loop.c.
>
> Include mips/cpu_loop.c in mips64/cpu_loop.c
> to avoid to duplicate code.
>
> Signed-off-by: Laurent Vivier <laur...@vivier.eu>
Reviewed-by: Philippe Mathieu-Daudé <f4...@amsat.org>
> ---
> linux-user/main.c | 725
> -------------------------------------------
> linux-user/mips/cpu_loop.c | 723 ++++++++++++++++++++++++++++++++++++++++++
> linux-user/mips64/cpu_loop.c | 8 +-
> 3 files changed, 724 insertions(+), 732 deletions(-)
>
> diff --git a/linux-user/main.c b/linux-user/main.c
> index b5d0513b44..490733a3fb 100644
> --- a/linux-user/main.c
> +++ b/linux-user/main.c
> @@ -149,705 +149,6 @@ void fork_end(int child)
> }
> }
>
> -#ifdef TARGET_MIPS
> -
> -# ifdef TARGET_ABI_MIPSO32
> -# define MIPS_SYS(name, args) args,
> -static const uint8_t mips_syscall_args[] = {
> - MIPS_SYS(sys_syscall , 8) /* 4000 */
> - MIPS_SYS(sys_exit , 1)
> - MIPS_SYS(sys_fork , 0)
> - MIPS_SYS(sys_read , 3)
> - MIPS_SYS(sys_write , 3)
> - MIPS_SYS(sys_open , 3) /* 4005 */
> - MIPS_SYS(sys_close , 1)
> - MIPS_SYS(sys_waitpid , 3)
> - MIPS_SYS(sys_creat , 2)
> - MIPS_SYS(sys_link , 2)
> - MIPS_SYS(sys_unlink , 1) /* 4010 */
> - MIPS_SYS(sys_execve , 0)
> - MIPS_SYS(sys_chdir , 1)
> - MIPS_SYS(sys_time , 1)
> - MIPS_SYS(sys_mknod , 3)
> - MIPS_SYS(sys_chmod , 2) /* 4015 */
> - MIPS_SYS(sys_lchown , 3)
> - MIPS_SYS(sys_ni_syscall , 0)
> - MIPS_SYS(sys_ni_syscall , 0) /* was sys_stat */
> - MIPS_SYS(sys_lseek , 3)
> - MIPS_SYS(sys_getpid , 0) /* 4020 */
> - MIPS_SYS(sys_mount , 5)
> - MIPS_SYS(sys_umount , 1)
> - MIPS_SYS(sys_setuid , 1)
> - MIPS_SYS(sys_getuid , 0)
> - MIPS_SYS(sys_stime , 1) /* 4025 */
> - MIPS_SYS(sys_ptrace , 4)
> - MIPS_SYS(sys_alarm , 1)
> - MIPS_SYS(sys_ni_syscall , 0) /* was sys_fstat */
> - MIPS_SYS(sys_pause , 0)
> - MIPS_SYS(sys_utime , 2) /* 4030 */
> - MIPS_SYS(sys_ni_syscall , 0)
> - MIPS_SYS(sys_ni_syscall , 0)
> - MIPS_SYS(sys_access , 2)
> - MIPS_SYS(sys_nice , 1)
> - MIPS_SYS(sys_ni_syscall , 0) /* 4035 */
> - MIPS_SYS(sys_sync , 0)
> - MIPS_SYS(sys_kill , 2)
> - MIPS_SYS(sys_rename , 2)
> - MIPS_SYS(sys_mkdir , 2)
> - MIPS_SYS(sys_rmdir , 1) /* 4040 */
> - MIPS_SYS(sys_dup , 1)
> - MIPS_SYS(sys_pipe , 0)
> - MIPS_SYS(sys_times , 1)
> - MIPS_SYS(sys_ni_syscall , 0)
> - MIPS_SYS(sys_brk , 1) /* 4045 */
> - MIPS_SYS(sys_setgid , 1)
> - MIPS_SYS(sys_getgid , 0)
> - MIPS_SYS(sys_ni_syscall , 0) /* was signal(2) */
> - MIPS_SYS(sys_geteuid , 0)
> - MIPS_SYS(sys_getegid , 0) /* 4050 */
> - MIPS_SYS(sys_acct , 0)
> - MIPS_SYS(sys_umount2 , 2)
> - MIPS_SYS(sys_ni_syscall , 0)
> - MIPS_SYS(sys_ioctl , 3)
> - MIPS_SYS(sys_fcntl , 3) /* 4055 */
> - MIPS_SYS(sys_ni_syscall , 2)
> - MIPS_SYS(sys_setpgid , 2)
> - MIPS_SYS(sys_ni_syscall , 0)
> - MIPS_SYS(sys_olduname , 1)
> - MIPS_SYS(sys_umask , 1) /* 4060 */
> - MIPS_SYS(sys_chroot , 1)
> - MIPS_SYS(sys_ustat , 2)
> - MIPS_SYS(sys_dup2 , 2)
> - MIPS_SYS(sys_getppid , 0)
> - MIPS_SYS(sys_getpgrp , 0) /* 4065 */
> - MIPS_SYS(sys_setsid , 0)
> - MIPS_SYS(sys_sigaction , 3)
> - MIPS_SYS(sys_sgetmask , 0)
> - MIPS_SYS(sys_ssetmask , 1)
> - MIPS_SYS(sys_setreuid , 2) /* 4070 */
> - MIPS_SYS(sys_setregid , 2)
> - MIPS_SYS(sys_sigsuspend , 0)
> - MIPS_SYS(sys_sigpending , 1)
> - MIPS_SYS(sys_sethostname , 2)
> - MIPS_SYS(sys_setrlimit , 2) /* 4075 */
> - MIPS_SYS(sys_getrlimit , 2)
> - MIPS_SYS(sys_getrusage , 2)
> - MIPS_SYS(sys_gettimeofday, 2)
> - MIPS_SYS(sys_settimeofday, 2)
> - MIPS_SYS(sys_getgroups , 2) /* 4080 */
> - MIPS_SYS(sys_setgroups , 2)
> - MIPS_SYS(sys_ni_syscall , 0) /* old_select */
> - MIPS_SYS(sys_symlink , 2)
> - MIPS_SYS(sys_ni_syscall , 0) /* was sys_lstat */
> - MIPS_SYS(sys_readlink , 3) /* 4085 */
> - MIPS_SYS(sys_uselib , 1)
> - MIPS_SYS(sys_swapon , 2)
> - MIPS_SYS(sys_reboot , 3)
> - MIPS_SYS(old_readdir , 3)
> - MIPS_SYS(old_mmap , 6) /* 4090 */
> - MIPS_SYS(sys_munmap , 2)
> - MIPS_SYS(sys_truncate , 2)
> - MIPS_SYS(sys_ftruncate , 2)
> - MIPS_SYS(sys_fchmod , 2)
> - MIPS_SYS(sys_fchown , 3) /* 4095 */
> - MIPS_SYS(sys_getpriority , 2)
> - MIPS_SYS(sys_setpriority , 3)
> - MIPS_SYS(sys_ni_syscall , 0)
> - MIPS_SYS(sys_statfs , 2)
> - MIPS_SYS(sys_fstatfs , 2) /* 4100 */
> - MIPS_SYS(sys_ni_syscall , 0) /* was ioperm(2) */
> - MIPS_SYS(sys_socketcall , 2)
> - MIPS_SYS(sys_syslog , 3)
> - MIPS_SYS(sys_setitimer , 3)
> - MIPS_SYS(sys_getitimer , 2) /* 4105 */
> - MIPS_SYS(sys_newstat , 2)
> - MIPS_SYS(sys_newlstat , 2)
> - MIPS_SYS(sys_newfstat , 2)
> - MIPS_SYS(sys_uname , 1)
> - MIPS_SYS(sys_ni_syscall , 0) /* 4110 was iopl(2) */
> - MIPS_SYS(sys_vhangup , 0)
> - MIPS_SYS(sys_ni_syscall , 0) /* was sys_idle() */
> - MIPS_SYS(sys_ni_syscall , 0) /* was sys_vm86 */
> - MIPS_SYS(sys_wait4 , 4)
> - MIPS_SYS(sys_swapoff , 1) /* 4115 */
> - MIPS_SYS(sys_sysinfo , 1)
> - MIPS_SYS(sys_ipc , 6)
> - MIPS_SYS(sys_fsync , 1)
> - MIPS_SYS(sys_sigreturn , 0)
> - MIPS_SYS(sys_clone , 6) /* 4120 */
> - MIPS_SYS(sys_setdomainname, 2)
> - MIPS_SYS(sys_newuname , 1)
> - MIPS_SYS(sys_ni_syscall , 0) /* sys_modify_ldt */
> - MIPS_SYS(sys_adjtimex , 1)
> - MIPS_SYS(sys_mprotect , 3) /* 4125 */
> - MIPS_SYS(sys_sigprocmask , 3)
> - MIPS_SYS(sys_ni_syscall , 0) /* was create_module */
> - MIPS_SYS(sys_init_module , 5)
> - MIPS_SYS(sys_delete_module, 1)
> - MIPS_SYS(sys_ni_syscall , 0) /* 4130 was get_kernel_syms */
> - MIPS_SYS(sys_quotactl , 0)
> - MIPS_SYS(sys_getpgid , 1)
> - MIPS_SYS(sys_fchdir , 1)
> - MIPS_SYS(sys_bdflush , 2)
> - MIPS_SYS(sys_sysfs , 3) /* 4135 */
> - MIPS_SYS(sys_personality , 1)
> - MIPS_SYS(sys_ni_syscall , 0) /* for afs_syscall */
> - MIPS_SYS(sys_setfsuid , 1)
> - MIPS_SYS(sys_setfsgid , 1)
> - MIPS_SYS(sys_llseek , 5) /* 4140 */
> - MIPS_SYS(sys_getdents , 3)
> - MIPS_SYS(sys_select , 5)
> - MIPS_SYS(sys_flock , 2)
> - MIPS_SYS(sys_msync , 3)
> - MIPS_SYS(sys_readv , 3) /* 4145 */
> - MIPS_SYS(sys_writev , 3)
> - MIPS_SYS(sys_cacheflush , 3)
> - MIPS_SYS(sys_cachectl , 3)
> - MIPS_SYS(sys_sysmips , 4)
> - MIPS_SYS(sys_ni_syscall , 0) /* 4150 */
> - MIPS_SYS(sys_getsid , 1)
> - MIPS_SYS(sys_fdatasync , 0)
> - MIPS_SYS(sys_sysctl , 1)
> - MIPS_SYS(sys_mlock , 2)
> - MIPS_SYS(sys_munlock , 2) /* 4155 */
> - MIPS_SYS(sys_mlockall , 1)
> - MIPS_SYS(sys_munlockall , 0)
> - MIPS_SYS(sys_sched_setparam, 2)
> - MIPS_SYS(sys_sched_getparam, 2)
> - MIPS_SYS(sys_sched_setscheduler, 3) /* 4160 */
> - MIPS_SYS(sys_sched_getscheduler, 1)
> - MIPS_SYS(sys_sched_yield , 0)
> - MIPS_SYS(sys_sched_get_priority_max, 1)
> - MIPS_SYS(sys_sched_get_priority_min, 1)
> - MIPS_SYS(sys_sched_rr_get_interval, 2) /* 4165 */
> - MIPS_SYS(sys_nanosleep, 2)
> - MIPS_SYS(sys_mremap , 5)
> - MIPS_SYS(sys_accept , 3)
> - MIPS_SYS(sys_bind , 3)
> - MIPS_SYS(sys_connect , 3) /* 4170 */
> - MIPS_SYS(sys_getpeername , 3)
> - MIPS_SYS(sys_getsockname , 3)
> - MIPS_SYS(sys_getsockopt , 5)
> - MIPS_SYS(sys_listen , 2)
> - MIPS_SYS(sys_recv , 4) /* 4175 */
> - MIPS_SYS(sys_recvfrom , 6)
> - MIPS_SYS(sys_recvmsg , 3)
> - MIPS_SYS(sys_send , 4)
> - MIPS_SYS(sys_sendmsg , 3)
> - MIPS_SYS(sys_sendto , 6) /* 4180 */
> - MIPS_SYS(sys_setsockopt , 5)
> - MIPS_SYS(sys_shutdown , 2)
> - MIPS_SYS(sys_socket , 3)
> - MIPS_SYS(sys_socketpair , 4)
> - MIPS_SYS(sys_setresuid , 3) /* 4185 */
> - MIPS_SYS(sys_getresuid , 3)
> - MIPS_SYS(sys_ni_syscall , 0) /* was sys_query_module */
> - MIPS_SYS(sys_poll , 3)
> - MIPS_SYS(sys_nfsservctl , 3)
> - MIPS_SYS(sys_setresgid , 3) /* 4190 */
> - MIPS_SYS(sys_getresgid , 3)
> - MIPS_SYS(sys_prctl , 5)
> - MIPS_SYS(sys_rt_sigreturn, 0)
> - MIPS_SYS(sys_rt_sigaction, 4)
> - MIPS_SYS(sys_rt_sigprocmask, 4) /* 4195 */
> - MIPS_SYS(sys_rt_sigpending, 2)
> - MIPS_SYS(sys_rt_sigtimedwait, 4)
> - MIPS_SYS(sys_rt_sigqueueinfo, 3)
> - MIPS_SYS(sys_rt_sigsuspend, 0)
> - MIPS_SYS(sys_pread64 , 6) /* 4200 */
> - MIPS_SYS(sys_pwrite64 , 6)
> - MIPS_SYS(sys_chown , 3)
> - MIPS_SYS(sys_getcwd , 2)
> - MIPS_SYS(sys_capget , 2)
> - MIPS_SYS(sys_capset , 2) /* 4205 */
> - MIPS_SYS(sys_sigaltstack , 2)
> - MIPS_SYS(sys_sendfile , 4)
> - MIPS_SYS(sys_ni_syscall , 0)
> - MIPS_SYS(sys_ni_syscall , 0)
> - MIPS_SYS(sys_mmap2 , 6) /* 4210 */
> - MIPS_SYS(sys_truncate64 , 4)
> - MIPS_SYS(sys_ftruncate64 , 4)
> - MIPS_SYS(sys_stat64 , 2)
> - MIPS_SYS(sys_lstat64 , 2)
> - MIPS_SYS(sys_fstat64 , 2) /* 4215 */
> - MIPS_SYS(sys_pivot_root , 2)
> - MIPS_SYS(sys_mincore , 3)
> - MIPS_SYS(sys_madvise , 3)
> - MIPS_SYS(sys_getdents64 , 3)
> - MIPS_SYS(sys_fcntl64 , 3) /* 4220 */
> - MIPS_SYS(sys_ni_syscall , 0)
> - MIPS_SYS(sys_gettid , 0)
> - MIPS_SYS(sys_readahead , 5)
> - MIPS_SYS(sys_setxattr , 5)
> - MIPS_SYS(sys_lsetxattr , 5) /* 4225 */
> - MIPS_SYS(sys_fsetxattr , 5)
> - MIPS_SYS(sys_getxattr , 4)
> - MIPS_SYS(sys_lgetxattr , 4)
> - MIPS_SYS(sys_fgetxattr , 4)
> - MIPS_SYS(sys_listxattr , 3) /* 4230 */
> - MIPS_SYS(sys_llistxattr , 3)
> - MIPS_SYS(sys_flistxattr , 3)
> - MIPS_SYS(sys_removexattr , 2)
> - MIPS_SYS(sys_lremovexattr, 2)
> - MIPS_SYS(sys_fremovexattr, 2) /* 4235 */
> - MIPS_SYS(sys_tkill , 2)
> - MIPS_SYS(sys_sendfile64 , 5)
> - MIPS_SYS(sys_futex , 6)
> - MIPS_SYS(sys_sched_setaffinity, 3)
> - MIPS_SYS(sys_sched_getaffinity, 3) /* 4240 */
> - MIPS_SYS(sys_io_setup , 2)
> - MIPS_SYS(sys_io_destroy , 1)
> - MIPS_SYS(sys_io_getevents, 5)
> - MIPS_SYS(sys_io_submit , 3)
> - MIPS_SYS(sys_io_cancel , 3) /* 4245 */
> - MIPS_SYS(sys_exit_group , 1)
> - MIPS_SYS(sys_lookup_dcookie, 3)
> - MIPS_SYS(sys_epoll_create, 1)
> - MIPS_SYS(sys_epoll_ctl , 4)
> - MIPS_SYS(sys_epoll_wait , 3) /* 4250 */
> - MIPS_SYS(sys_remap_file_pages, 5)
> - MIPS_SYS(sys_set_tid_address, 1)
> - MIPS_SYS(sys_restart_syscall, 0)
> - MIPS_SYS(sys_fadvise64_64, 7)
> - MIPS_SYS(sys_statfs64 , 3) /* 4255 */
> - MIPS_SYS(sys_fstatfs64 , 2)
> - MIPS_SYS(sys_timer_create, 3)
> - MIPS_SYS(sys_timer_settime, 4)
> - MIPS_SYS(sys_timer_gettime, 2)
> - MIPS_SYS(sys_timer_getoverrun, 1) /* 4260 */
> - MIPS_SYS(sys_timer_delete, 1)
> - MIPS_SYS(sys_clock_settime, 2)
> - MIPS_SYS(sys_clock_gettime, 2)
> - MIPS_SYS(sys_clock_getres, 2)
> - MIPS_SYS(sys_clock_nanosleep, 4) /* 4265 */
> - MIPS_SYS(sys_tgkill , 3)
> - MIPS_SYS(sys_utimes , 2)
> - MIPS_SYS(sys_mbind , 4)
> - MIPS_SYS(sys_ni_syscall , 0) /* sys_get_mempolicy */
> - MIPS_SYS(sys_ni_syscall , 0) /* 4270 sys_set_mempolicy */
> - MIPS_SYS(sys_mq_open , 4)
> - MIPS_SYS(sys_mq_unlink , 1)
> - MIPS_SYS(sys_mq_timedsend, 5)
> - MIPS_SYS(sys_mq_timedreceive, 5)
> - MIPS_SYS(sys_mq_notify , 2) /* 4275 */
> - MIPS_SYS(sys_mq_getsetattr, 3)
> - MIPS_SYS(sys_ni_syscall , 0) /* sys_vserver */
> - MIPS_SYS(sys_waitid , 4)
> - MIPS_SYS(sys_ni_syscall , 0) /* available, was setaltroot */
> - MIPS_SYS(sys_add_key , 5)
> - MIPS_SYS(sys_request_key, 4)
> - MIPS_SYS(sys_keyctl , 5)
> - MIPS_SYS(sys_set_thread_area, 1)
> - MIPS_SYS(sys_inotify_init, 0)
> - MIPS_SYS(sys_inotify_add_watch, 3) /* 4285 */
> - MIPS_SYS(sys_inotify_rm_watch, 2)
> - MIPS_SYS(sys_migrate_pages, 4)
> - MIPS_SYS(sys_openat, 4)
> - MIPS_SYS(sys_mkdirat, 3)
> - MIPS_SYS(sys_mknodat, 4) /* 4290 */
> - MIPS_SYS(sys_fchownat, 5)
> - MIPS_SYS(sys_futimesat, 3)
> - MIPS_SYS(sys_fstatat64, 4)
> - MIPS_SYS(sys_unlinkat, 3)
> - MIPS_SYS(sys_renameat, 4) /* 4295 */
> - MIPS_SYS(sys_linkat, 5)
> - MIPS_SYS(sys_symlinkat, 3)
> - MIPS_SYS(sys_readlinkat, 4)
> - MIPS_SYS(sys_fchmodat, 3)
> - MIPS_SYS(sys_faccessat, 3) /* 4300 */
> - MIPS_SYS(sys_pselect6, 6)
> - MIPS_SYS(sys_ppoll, 5)
> - MIPS_SYS(sys_unshare, 1)
> - MIPS_SYS(sys_splice, 6)
> - MIPS_SYS(sys_sync_file_range, 7) /* 4305 */
> - MIPS_SYS(sys_tee, 4)
> - MIPS_SYS(sys_vmsplice, 4)
> - MIPS_SYS(sys_move_pages, 6)
> - MIPS_SYS(sys_set_robust_list, 2)
> - MIPS_SYS(sys_get_robust_list, 3) /* 4310 */
> - MIPS_SYS(sys_kexec_load, 4)
> - MIPS_SYS(sys_getcpu, 3)
> - MIPS_SYS(sys_epoll_pwait, 6)
> - MIPS_SYS(sys_ioprio_set, 3)
> - MIPS_SYS(sys_ioprio_get, 2)
> - MIPS_SYS(sys_utimensat, 4)
> - MIPS_SYS(sys_signalfd, 3)
> - MIPS_SYS(sys_ni_syscall, 0) /* was timerfd */
> - MIPS_SYS(sys_eventfd, 1)
> - MIPS_SYS(sys_fallocate, 6) /* 4320 */
> - MIPS_SYS(sys_timerfd_create, 2)
> - MIPS_SYS(sys_timerfd_gettime, 2)
> - MIPS_SYS(sys_timerfd_settime, 4)
> - MIPS_SYS(sys_signalfd4, 4)
> - MIPS_SYS(sys_eventfd2, 2) /* 4325 */
> - MIPS_SYS(sys_epoll_create1, 1)
> - MIPS_SYS(sys_dup3, 3)
> - MIPS_SYS(sys_pipe2, 2)
> - MIPS_SYS(sys_inotify_init1, 1)
> - MIPS_SYS(sys_preadv, 5) /* 4330 */
> - MIPS_SYS(sys_pwritev, 5)
> - MIPS_SYS(sys_rt_tgsigqueueinfo, 4)
> - MIPS_SYS(sys_perf_event_open, 5)
> - MIPS_SYS(sys_accept4, 4)
> - MIPS_SYS(sys_recvmmsg, 5) /* 4335 */
> - MIPS_SYS(sys_fanotify_init, 2)
> - MIPS_SYS(sys_fanotify_mark, 6)
> - MIPS_SYS(sys_prlimit64, 4)
> - MIPS_SYS(sys_name_to_handle_at, 5)
> - MIPS_SYS(sys_open_by_handle_at, 3) /* 4340 */
> - MIPS_SYS(sys_clock_adjtime, 2)
> - MIPS_SYS(sys_syncfs, 1)
> - MIPS_SYS(sys_sendmmsg, 4)
> - MIPS_SYS(sys_setns, 2)
> - MIPS_SYS(sys_process_vm_readv, 6) /* 345 */
> - MIPS_SYS(sys_process_vm_writev, 6)
> - MIPS_SYS(sys_kcmp, 5)
> - MIPS_SYS(sys_finit_module, 3)
> - MIPS_SYS(sys_sched_setattr, 2)
> - MIPS_SYS(sys_sched_getattr, 3) /* 350 */
> - MIPS_SYS(sys_renameat2, 5)
> - MIPS_SYS(sys_seccomp, 3)
> - MIPS_SYS(sys_getrandom, 3)
> - MIPS_SYS(sys_memfd_create, 2)
> - MIPS_SYS(sys_bpf, 3) /* 355 */
> - MIPS_SYS(sys_execveat, 5)
> - MIPS_SYS(sys_userfaultfd, 1)
> - MIPS_SYS(sys_membarrier, 2)
> - MIPS_SYS(sys_mlock2, 3)
> - MIPS_SYS(sys_copy_file_range, 6) /* 360 */
> - MIPS_SYS(sys_preadv2, 6)
> - MIPS_SYS(sys_pwritev2, 6)
> -};
> -# undef MIPS_SYS
> -# endif /* O32 */
> -
> -static int do_store_exclusive(CPUMIPSState *env)
> -{
> - target_ulong addr;
> - target_ulong page_addr;
> - target_ulong val;
> - int flags;
> - int segv = 0;
> - int reg;
> - int d;
> -
> - addr = env->lladdr;
> - page_addr = addr & TARGET_PAGE_MASK;
> - start_exclusive();
> - mmap_lock();
> - flags = page_get_flags(page_addr);
> - if ((flags & PAGE_READ) == 0) {
> - segv = 1;
> - } else {
> - reg = env->llreg & 0x1f;
> - d = (env->llreg & 0x20) != 0;
> - if (d) {
> - segv = get_user_s64(val, addr);
> - } else {
> - segv = get_user_s32(val, addr);
> - }
> - if (!segv) {
> - if (val != env->llval) {
> - env->active_tc.gpr[reg] = 0;
> - } else {
> - if (d) {
> - segv = put_user_u64(env->llnewval, addr);
> - } else {
> - segv = put_user_u32(env->llnewval, addr);
> - }
> - if (!segv) {
> - env->active_tc.gpr[reg] = 1;
> - }
> - }
> - }
> - }
> - env->lladdr = -1;
> - if (!segv) {
> - env->active_tc.PC += 4;
> - }
> - mmap_unlock();
> - end_exclusive();
> - return segv;
> -}
> -
> -/* Break codes */
> -enum {
> - BRK_OVERFLOW = 6,
> - BRK_DIVZERO = 7
> -};
> -
> -static int do_break(CPUMIPSState *env, target_siginfo_t *info,
> - unsigned int code)
> -{
> - int ret = -1;
> -
> - switch (code) {
> - case BRK_OVERFLOW:
> - case BRK_DIVZERO:
> - info->si_signo = TARGET_SIGFPE;
> - info->si_errno = 0;
> - info->si_code = (code == BRK_OVERFLOW) ? FPE_INTOVF : FPE_INTDIV;
> - queue_signal(env, info->si_signo, QEMU_SI_FAULT, &*info);
> - ret = 0;
> - break;
> - default:
> - info->si_signo = TARGET_SIGTRAP;
> - info->si_errno = 0;
> - queue_signal(env, info->si_signo, QEMU_SI_FAULT, &*info);
> - ret = 0;
> - break;
> - }
> -
> - return ret;
> -}
> -
> -void cpu_loop(CPUMIPSState *env)
> -{
> - CPUState *cs = CPU(mips_env_get_cpu(env));
> - target_siginfo_t info;
> - int trapnr;
> - abi_long ret;
> -# ifdef TARGET_ABI_MIPSO32
> - unsigned int syscall_num;
> -# endif
> -
> - for(;;) {
> - cpu_exec_start(cs);
> - trapnr = cpu_exec(cs);
> - cpu_exec_end(cs);
> - process_queued_cpu_work(cs);
> -
> - switch(trapnr) {
> - case EXCP_SYSCALL:
> - env->active_tc.PC += 4;
> -# ifdef TARGET_ABI_MIPSO32
> - syscall_num = env->active_tc.gpr[2] - 4000;
> - if (syscall_num >= sizeof(mips_syscall_args)) {
> - ret = -TARGET_ENOSYS;
> - } else {
> - int nb_args;
> - abi_ulong sp_reg;
> - abi_ulong arg5 = 0, arg6 = 0, arg7 = 0, arg8 = 0;
> -
> - nb_args = mips_syscall_args[syscall_num];
> - sp_reg = env->active_tc.gpr[29];
> - switch (nb_args) {
> - /* these arguments are taken from the stack */
> - case 8:
> - if ((ret = get_user_ual(arg8, sp_reg + 28)) != 0) {
> - goto done_syscall;
> - }
> - case 7:
> - if ((ret = get_user_ual(arg7, sp_reg + 24)) != 0) {
> - goto done_syscall;
> - }
> - case 6:
> - if ((ret = get_user_ual(arg6, sp_reg + 20)) != 0) {
> - goto done_syscall;
> - }
> - case 5:
> - if ((ret = get_user_ual(arg5, sp_reg + 16)) != 0) {
> - goto done_syscall;
> - }
> - default:
> - break;
> - }
> - ret = do_syscall(env, env->active_tc.gpr[2],
> - env->active_tc.gpr[4],
> - env->active_tc.gpr[5],
> - env->active_tc.gpr[6],
> - env->active_tc.gpr[7],
> - arg5, arg6, arg7, arg8);
> - }
> -done_syscall:
> -# else
> - ret = do_syscall(env, env->active_tc.gpr[2],
> - env->active_tc.gpr[4], env->active_tc.gpr[5],
> - env->active_tc.gpr[6], env->active_tc.gpr[7],
> - env->active_tc.gpr[8], env->active_tc.gpr[9],
> - env->active_tc.gpr[10], env->active_tc.gpr[11]);
> -# endif /* O32 */
> - if (ret == -TARGET_ERESTARTSYS) {
> - env->active_tc.PC -= 4;
> - break;
> - }
> - if (ret == -TARGET_QEMU_ESIGRETURN) {
> - /* Returning from a successful sigreturn syscall.
> - Avoid clobbering register state. */
> - break;
> - }
> - if ((abi_ulong)ret >= (abi_ulong)-1133) {
> - env->active_tc.gpr[7] = 1; /* error flag */
> - ret = -ret;
> - } else {
> - env->active_tc.gpr[7] = 0; /* error flag */
> - }
> - env->active_tc.gpr[2] = ret;
> - break;
> - case EXCP_TLBL:
> - case EXCP_TLBS:
> - case EXCP_AdEL:
> - case EXCP_AdES:
> - info.si_signo = TARGET_SIGSEGV;
> - info.si_errno = 0;
> - /* XXX: check env->error_code */
> - info.si_code = TARGET_SEGV_MAPERR;
> - info._sifields._sigfault._addr = env->CP0_BadVAddr;
> - queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
> - break;
> - case EXCP_CpU:
> - case EXCP_RI:
> - info.si_signo = TARGET_SIGILL;
> - info.si_errno = 0;
> - info.si_code = 0;
> - queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
> - break;
> - case EXCP_INTERRUPT:
> - /* just indicate that signals should be handled asap */
> - break;
> - case EXCP_DEBUG:
> - {
> - int sig;
> -
> - sig = gdb_handlesig(cs, TARGET_SIGTRAP);
> - if (sig)
> - {
> - info.si_signo = sig;
> - info.si_errno = 0;
> - info.si_code = TARGET_TRAP_BRKPT;
> - queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
> - }
> - }
> - break;
> - case EXCP_SC:
> - if (do_store_exclusive(env)) {
> - info.si_signo = TARGET_SIGSEGV;
> - info.si_errno = 0;
> - info.si_code = TARGET_SEGV_MAPERR;
> - info._sifields._sigfault._addr = env->active_tc.PC;
> - queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
> - }
> - break;
> - case EXCP_DSPDIS:
> - info.si_signo = TARGET_SIGILL;
> - info.si_errno = 0;
> - info.si_code = TARGET_ILL_ILLOPC;
> - queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
> - break;
> - /* The code below was inspired by the MIPS Linux kernel trap
> - * handling code in arch/mips/kernel/traps.c.
> - */
> - case EXCP_BREAK:
> - {
> - abi_ulong trap_instr;
> - unsigned int code;
> -
> - if (env->hflags & MIPS_HFLAG_M16) {
> - if (env->insn_flags & ASE_MICROMIPS) {
> - /* microMIPS mode */
> - ret = get_user_u16(trap_instr, env->active_tc.PC);
> - if (ret != 0) {
> - goto error;
> - }
> -
> - if ((trap_instr >> 10) == 0x11) {
> - /* 16-bit instruction */
> - code = trap_instr & 0xf;
> - } else {
> - /* 32-bit instruction */
> - abi_ulong instr_lo;
> -
> - ret = get_user_u16(instr_lo,
> - env->active_tc.PC + 2);
> - if (ret != 0) {
> - goto error;
> - }
> - trap_instr = (trap_instr << 16) | instr_lo;
> - code = ((trap_instr >> 6) & ((1 << 20) - 1));
> - /* Unfortunately, microMIPS also suffers from
> - the old assembler bug... */
> - if (code >= (1 << 10)) {
> - code >>= 10;
> - }
> - }
> - } else {
> - /* MIPS16e mode */
> - ret = get_user_u16(trap_instr, env->active_tc.PC);
> - if (ret != 0) {
> - goto error;
> - }
> - code = (trap_instr >> 6) & 0x3f;
> - }
> - } else {
> - ret = get_user_u32(trap_instr, env->active_tc.PC);
> - if (ret != 0) {
> - goto error;
> - }
> -
> - /* As described in the original Linux kernel code, the
> - * below checks on 'code' are to work around an old
> - * assembly bug.
> - */
> - code = ((trap_instr >> 6) & ((1 << 20) - 1));
> - if (code >= (1 << 10)) {
> - code >>= 10;
> - }
> - }
> -
> - if (do_break(env, &info, code) != 0) {
> - goto error;
> - }
> - }
> - break;
> - case EXCP_TRAP:
> - {
> - abi_ulong trap_instr;
> - unsigned int code = 0;
> -
> - if (env->hflags & MIPS_HFLAG_M16) {
> - /* microMIPS mode */
> - abi_ulong instr[2];
> -
> - ret = get_user_u16(instr[0], env->active_tc.PC) ||
> - get_user_u16(instr[1], env->active_tc.PC + 2);
> -
> - trap_instr = (instr[0] << 16) | instr[1];
> - } else {
> - ret = get_user_u32(trap_instr, env->active_tc.PC);
> - }
> -
> - if (ret != 0) {
> - goto error;
> - }
> -
> - /* The immediate versions don't provide a code. */
> - if (!(trap_instr & 0xFC000000)) {
> - if (env->hflags & MIPS_HFLAG_M16) {
> - /* microMIPS mode */
> - code = ((trap_instr >> 12) & ((1 << 4) - 1));
> - } else {
> - code = ((trap_instr >> 6) & ((1 << 10) - 1));
> - }
> - }
> -
> - if (do_break(env, &info, code) != 0) {
> - goto error;
> - }
> - }
> - break;
> - case EXCP_ATOMIC:
> - cpu_exec_step_atomic(cs);
> - break;
> - default:
> -error:
> - EXCP_DUMP(env, "qemu: unhandled CPU exception 0x%x -
> aborting\n", trapnr);
> - abort();
> - }
> - process_pending_signals(env);
> - }
> -}
> -#endif
> -
> #ifdef TARGET_NIOS2
>
> void cpu_loop(CPUNios2State *env)
> @@ -3241,32 +2542,6 @@ int main(int argc, char **argv, char **envp)
> env->regs[31] = regs->r31;
> env->sregs[SR_PC] = regs->pc;
> }
> -#elif defined(TARGET_MIPS)
> - {
> - int i;
> -
> - for(i = 0; i < 32; i++) {
> - env->active_tc.gpr[i] = regs->regs[i];
> - }
> - env->active_tc.PC = regs->cp0_epc & ~(target_ulong)1;
> - if (regs->cp0_epc & 1) {
> - env->hflags |= MIPS_HFLAG_M16;
> - }
> - if (((info->elf_flags & EF_MIPS_NAN2008) != 0) !=
> - ((env->active_fpu.fcr31 & (1 << FCR31_NAN2008)) != 0)) {
> - if ((env->active_fpu.fcr31_rw_bitmask &
> - (1 << FCR31_NAN2008)) == 0) {
> - fprintf(stderr, "ELF binary's NaN mode not supported by
> CPU\n");
> - exit(1);
> - }
> - if ((info->elf_flags & EF_MIPS_NAN2008) != 0) {
> - env->active_fpu.fcr31 |= (1 << FCR31_NAN2008);
> - } else {
> - env->active_fpu.fcr31 &= ~(1 << FCR31_NAN2008);
> - }
> - restore_snan_bit_mode(env);
> - }
> - }
> #elif defined(TARGET_NIOS2)
> {
> env->regs[0] = 0;
> diff --git a/linux-user/mips/cpu_loop.c b/linux-user/mips/cpu_loop.c
> index b7700a5561..51bdb647dd 100644
> --- a/linux-user/mips/cpu_loop.c
> +++ b/linux-user/mips/cpu_loop.c
> @@ -20,7 +20,730 @@
> #include "qemu/osdep.h"
> #include "qemu.h"
> #include "cpu_loop-common.h"
> +#include "elf.h"
> +
> +# ifdef TARGET_ABI_MIPSO32
> +# define MIPS_SYS(name, args) args,
> +static const uint8_t mips_syscall_args[] = {
> + MIPS_SYS(sys_syscall , 8) /* 4000 */
> + MIPS_SYS(sys_exit , 1)
> + MIPS_SYS(sys_fork , 0)
> + MIPS_SYS(sys_read , 3)
> + MIPS_SYS(sys_write , 3)
> + MIPS_SYS(sys_open , 3) /* 4005 */
> + MIPS_SYS(sys_close , 1)
> + MIPS_SYS(sys_waitpid , 3)
> + MIPS_SYS(sys_creat , 2)
> + MIPS_SYS(sys_link , 2)
> + MIPS_SYS(sys_unlink , 1) /* 4010 */
> + MIPS_SYS(sys_execve , 0)
> + MIPS_SYS(sys_chdir , 1)
> + MIPS_SYS(sys_time , 1)
> + MIPS_SYS(sys_mknod , 3)
> + MIPS_SYS(sys_chmod , 2) /* 4015 */
> + MIPS_SYS(sys_lchown , 3)
> + MIPS_SYS(sys_ni_syscall , 0)
> + MIPS_SYS(sys_ni_syscall , 0) /* was sys_stat */
> + MIPS_SYS(sys_lseek , 3)
> + MIPS_SYS(sys_getpid , 0) /* 4020 */
> + MIPS_SYS(sys_mount , 5)
> + MIPS_SYS(sys_umount , 1)
> + MIPS_SYS(sys_setuid , 1)
> + MIPS_SYS(sys_getuid , 0)
> + MIPS_SYS(sys_stime , 1) /* 4025 */
> + MIPS_SYS(sys_ptrace , 4)
> + MIPS_SYS(sys_alarm , 1)
> + MIPS_SYS(sys_ni_syscall , 0) /* was sys_fstat */
> + MIPS_SYS(sys_pause , 0)
> + MIPS_SYS(sys_utime , 2) /* 4030 */
> + MIPS_SYS(sys_ni_syscall , 0)
> + MIPS_SYS(sys_ni_syscall , 0)
> + MIPS_SYS(sys_access , 2)
> + MIPS_SYS(sys_nice , 1)
> + MIPS_SYS(sys_ni_syscall , 0) /* 4035 */
> + MIPS_SYS(sys_sync , 0)
> + MIPS_SYS(sys_kill , 2)
> + MIPS_SYS(sys_rename , 2)
> + MIPS_SYS(sys_mkdir , 2)
> + MIPS_SYS(sys_rmdir , 1) /* 4040 */
> + MIPS_SYS(sys_dup , 1)
> + MIPS_SYS(sys_pipe , 0)
> + MIPS_SYS(sys_times , 1)
> + MIPS_SYS(sys_ni_syscall , 0)
> + MIPS_SYS(sys_brk , 1) /* 4045 */
> + MIPS_SYS(sys_setgid , 1)
> + MIPS_SYS(sys_getgid , 0)
> + MIPS_SYS(sys_ni_syscall , 0) /* was signal(2) */
> + MIPS_SYS(sys_geteuid , 0)
> + MIPS_SYS(sys_getegid , 0) /* 4050 */
> + MIPS_SYS(sys_acct , 0)
> + MIPS_SYS(sys_umount2 , 2)
> + MIPS_SYS(sys_ni_syscall , 0)
> + MIPS_SYS(sys_ioctl , 3)
> + MIPS_SYS(sys_fcntl , 3) /* 4055 */
> + MIPS_SYS(sys_ni_syscall , 2)
> + MIPS_SYS(sys_setpgid , 2)
> + MIPS_SYS(sys_ni_syscall , 0)
> + MIPS_SYS(sys_olduname , 1)
> + MIPS_SYS(sys_umask , 1) /* 4060 */
> + MIPS_SYS(sys_chroot , 1)
> + MIPS_SYS(sys_ustat , 2)
> + MIPS_SYS(sys_dup2 , 2)
> + MIPS_SYS(sys_getppid , 0)
> + MIPS_SYS(sys_getpgrp , 0) /* 4065 */
> + MIPS_SYS(sys_setsid , 0)
> + MIPS_SYS(sys_sigaction , 3)
> + MIPS_SYS(sys_sgetmask , 0)
> + MIPS_SYS(sys_ssetmask , 1)
> + MIPS_SYS(sys_setreuid , 2) /* 4070 */
> + MIPS_SYS(sys_setregid , 2)
> + MIPS_SYS(sys_sigsuspend , 0)
> + MIPS_SYS(sys_sigpending , 1)
> + MIPS_SYS(sys_sethostname , 2)
> + MIPS_SYS(sys_setrlimit , 2) /* 4075 */
> + MIPS_SYS(sys_getrlimit , 2)
> + MIPS_SYS(sys_getrusage , 2)
> + MIPS_SYS(sys_gettimeofday, 2)
> + MIPS_SYS(sys_settimeofday, 2)
> + MIPS_SYS(sys_getgroups , 2) /* 4080 */
> + MIPS_SYS(sys_setgroups , 2)
> + MIPS_SYS(sys_ni_syscall , 0) /* old_select */
> + MIPS_SYS(sys_symlink , 2)
> + MIPS_SYS(sys_ni_syscall , 0) /* was sys_lstat */
> + MIPS_SYS(sys_readlink , 3) /* 4085 */
> + MIPS_SYS(sys_uselib , 1)
> + MIPS_SYS(sys_swapon , 2)
> + MIPS_SYS(sys_reboot , 3)
> + MIPS_SYS(old_readdir , 3)
> + MIPS_SYS(old_mmap , 6) /* 4090 */
> + MIPS_SYS(sys_munmap , 2)
> + MIPS_SYS(sys_truncate , 2)
> + MIPS_SYS(sys_ftruncate , 2)
> + MIPS_SYS(sys_fchmod , 2)
> + MIPS_SYS(sys_fchown , 3) /* 4095 */
> + MIPS_SYS(sys_getpriority , 2)
> + MIPS_SYS(sys_setpriority , 3)
> + MIPS_SYS(sys_ni_syscall , 0)
> + MIPS_SYS(sys_statfs , 2)
> + MIPS_SYS(sys_fstatfs , 2) /* 4100 */
> + MIPS_SYS(sys_ni_syscall , 0) /* was ioperm(2) */
> + MIPS_SYS(sys_socketcall , 2)
> + MIPS_SYS(sys_syslog , 3)
> + MIPS_SYS(sys_setitimer , 3)
> + MIPS_SYS(sys_getitimer , 2) /* 4105 */
> + MIPS_SYS(sys_newstat , 2)
> + MIPS_SYS(sys_newlstat , 2)
> + MIPS_SYS(sys_newfstat , 2)
> + MIPS_SYS(sys_uname , 1)
> + MIPS_SYS(sys_ni_syscall , 0) /* 4110 was iopl(2) */
> + MIPS_SYS(sys_vhangup , 0)
> + MIPS_SYS(sys_ni_syscall , 0) /* was sys_idle() */
> + MIPS_SYS(sys_ni_syscall , 0) /* was sys_vm86 */
> + MIPS_SYS(sys_wait4 , 4)
> + MIPS_SYS(sys_swapoff , 1) /* 4115 */
> + MIPS_SYS(sys_sysinfo , 1)
> + MIPS_SYS(sys_ipc , 6)
> + MIPS_SYS(sys_fsync , 1)
> + MIPS_SYS(sys_sigreturn , 0)
> + MIPS_SYS(sys_clone , 6) /* 4120 */
> + MIPS_SYS(sys_setdomainname, 2)
> + MIPS_SYS(sys_newuname , 1)
> + MIPS_SYS(sys_ni_syscall , 0) /* sys_modify_ldt */
> + MIPS_SYS(sys_adjtimex , 1)
> + MIPS_SYS(sys_mprotect , 3) /* 4125 */
> + MIPS_SYS(sys_sigprocmask , 3)
> + MIPS_SYS(sys_ni_syscall , 0) /* was create_module */
> + MIPS_SYS(sys_init_module , 5)
> + MIPS_SYS(sys_delete_module, 1)
> + MIPS_SYS(sys_ni_syscall , 0) /* 4130 was get_kernel_syms */
> + MIPS_SYS(sys_quotactl , 0)
> + MIPS_SYS(sys_getpgid , 1)
> + MIPS_SYS(sys_fchdir , 1)
> + MIPS_SYS(sys_bdflush , 2)
> + MIPS_SYS(sys_sysfs , 3) /* 4135 */
> + MIPS_SYS(sys_personality , 1)
> + MIPS_SYS(sys_ni_syscall , 0) /* for afs_syscall */
> + MIPS_SYS(sys_setfsuid , 1)
> + MIPS_SYS(sys_setfsgid , 1)
> + MIPS_SYS(sys_llseek , 5) /* 4140 */
> + MIPS_SYS(sys_getdents , 3)
> + MIPS_SYS(sys_select , 5)
> + MIPS_SYS(sys_flock , 2)
> + MIPS_SYS(sys_msync , 3)
> + MIPS_SYS(sys_readv , 3) /* 4145 */
> + MIPS_SYS(sys_writev , 3)
> + MIPS_SYS(sys_cacheflush , 3)
> + MIPS_SYS(sys_cachectl , 3)
> + MIPS_SYS(sys_sysmips , 4)
> + MIPS_SYS(sys_ni_syscall , 0) /* 4150 */
> + MIPS_SYS(sys_getsid , 1)
> + MIPS_SYS(sys_fdatasync , 0)
> + MIPS_SYS(sys_sysctl , 1)
> + MIPS_SYS(sys_mlock , 2)
> + MIPS_SYS(sys_munlock , 2) /* 4155 */
> + MIPS_SYS(sys_mlockall , 1)
> + MIPS_SYS(sys_munlockall , 0)
> + MIPS_SYS(sys_sched_setparam, 2)
> + MIPS_SYS(sys_sched_getparam, 2)
> + MIPS_SYS(sys_sched_setscheduler, 3) /* 4160 */
> + MIPS_SYS(sys_sched_getscheduler, 1)
> + MIPS_SYS(sys_sched_yield , 0)
> + MIPS_SYS(sys_sched_get_priority_max, 1)
> + MIPS_SYS(sys_sched_get_priority_min, 1)
> + MIPS_SYS(sys_sched_rr_get_interval, 2) /* 4165 */
> + MIPS_SYS(sys_nanosleep, 2)
> + MIPS_SYS(sys_mremap , 5)
> + MIPS_SYS(sys_accept , 3)
> + MIPS_SYS(sys_bind , 3)
> + MIPS_SYS(sys_connect , 3) /* 4170 */
> + MIPS_SYS(sys_getpeername , 3)
> + MIPS_SYS(sys_getsockname , 3)
> + MIPS_SYS(sys_getsockopt , 5)
> + MIPS_SYS(sys_listen , 2)
> + MIPS_SYS(sys_recv , 4) /* 4175 */
> + MIPS_SYS(sys_recvfrom , 6)
> + MIPS_SYS(sys_recvmsg , 3)
> + MIPS_SYS(sys_send , 4)
> + MIPS_SYS(sys_sendmsg , 3)
> + MIPS_SYS(sys_sendto , 6) /* 4180 */
> + MIPS_SYS(sys_setsockopt , 5)
> + MIPS_SYS(sys_shutdown , 2)
> + MIPS_SYS(sys_socket , 3)
> + MIPS_SYS(sys_socketpair , 4)
> + MIPS_SYS(sys_setresuid , 3) /* 4185 */
> + MIPS_SYS(sys_getresuid , 3)
> + MIPS_SYS(sys_ni_syscall , 0) /* was sys_query_module */
> + MIPS_SYS(sys_poll , 3)
> + MIPS_SYS(sys_nfsservctl , 3)
> + MIPS_SYS(sys_setresgid , 3) /* 4190 */
> + MIPS_SYS(sys_getresgid , 3)
> + MIPS_SYS(sys_prctl , 5)
> + MIPS_SYS(sys_rt_sigreturn, 0)
> + MIPS_SYS(sys_rt_sigaction, 4)
> + MIPS_SYS(sys_rt_sigprocmask, 4) /* 4195 */
> + MIPS_SYS(sys_rt_sigpending, 2)
> + MIPS_SYS(sys_rt_sigtimedwait, 4)
> + MIPS_SYS(sys_rt_sigqueueinfo, 3)
> + MIPS_SYS(sys_rt_sigsuspend, 0)
> + MIPS_SYS(sys_pread64 , 6) /* 4200 */
> + MIPS_SYS(sys_pwrite64 , 6)
> + MIPS_SYS(sys_chown , 3)
> + MIPS_SYS(sys_getcwd , 2)
> + MIPS_SYS(sys_capget , 2)
> + MIPS_SYS(sys_capset , 2) /* 4205 */
> + MIPS_SYS(sys_sigaltstack , 2)
> + MIPS_SYS(sys_sendfile , 4)
> + MIPS_SYS(sys_ni_syscall , 0)
> + MIPS_SYS(sys_ni_syscall , 0)
> + MIPS_SYS(sys_mmap2 , 6) /* 4210 */
> + MIPS_SYS(sys_truncate64 , 4)
> + MIPS_SYS(sys_ftruncate64 , 4)
> + MIPS_SYS(sys_stat64 , 2)
> + MIPS_SYS(sys_lstat64 , 2)
> + MIPS_SYS(sys_fstat64 , 2) /* 4215 */
> + MIPS_SYS(sys_pivot_root , 2)
> + MIPS_SYS(sys_mincore , 3)
> + MIPS_SYS(sys_madvise , 3)
> + MIPS_SYS(sys_getdents64 , 3)
> + MIPS_SYS(sys_fcntl64 , 3) /* 4220 */
> + MIPS_SYS(sys_ni_syscall , 0)
> + MIPS_SYS(sys_gettid , 0)
> + MIPS_SYS(sys_readahead , 5)
> + MIPS_SYS(sys_setxattr , 5)
> + MIPS_SYS(sys_lsetxattr , 5) /* 4225 */
> + MIPS_SYS(sys_fsetxattr , 5)
> + MIPS_SYS(sys_getxattr , 4)
> + MIPS_SYS(sys_lgetxattr , 4)
> + MIPS_SYS(sys_fgetxattr , 4)
> + MIPS_SYS(sys_listxattr , 3) /* 4230 */
> + MIPS_SYS(sys_llistxattr , 3)
> + MIPS_SYS(sys_flistxattr , 3)
> + MIPS_SYS(sys_removexattr , 2)
> + MIPS_SYS(sys_lremovexattr, 2)
> + MIPS_SYS(sys_fremovexattr, 2) /* 4235 */
> + MIPS_SYS(sys_tkill , 2)
> + MIPS_SYS(sys_sendfile64 , 5)
> + MIPS_SYS(sys_futex , 6)
> + MIPS_SYS(sys_sched_setaffinity, 3)
> + MIPS_SYS(sys_sched_getaffinity, 3) /* 4240 */
> + MIPS_SYS(sys_io_setup , 2)
> + MIPS_SYS(sys_io_destroy , 1)
> + MIPS_SYS(sys_io_getevents, 5)
> + MIPS_SYS(sys_io_submit , 3)
> + MIPS_SYS(sys_io_cancel , 3) /* 4245 */
> + MIPS_SYS(sys_exit_group , 1)
> + MIPS_SYS(sys_lookup_dcookie, 3)
> + MIPS_SYS(sys_epoll_create, 1)
> + MIPS_SYS(sys_epoll_ctl , 4)
> + MIPS_SYS(sys_epoll_wait , 3) /* 4250 */
> + MIPS_SYS(sys_remap_file_pages, 5)
> + MIPS_SYS(sys_set_tid_address, 1)
> + MIPS_SYS(sys_restart_syscall, 0)
> + MIPS_SYS(sys_fadvise64_64, 7)
> + MIPS_SYS(sys_statfs64 , 3) /* 4255 */
> + MIPS_SYS(sys_fstatfs64 , 2)
> + MIPS_SYS(sys_timer_create, 3)
> + MIPS_SYS(sys_timer_settime, 4)
> + MIPS_SYS(sys_timer_gettime, 2)
> + MIPS_SYS(sys_timer_getoverrun, 1) /* 4260 */
> + MIPS_SYS(sys_timer_delete, 1)
> + MIPS_SYS(sys_clock_settime, 2)
> + MIPS_SYS(sys_clock_gettime, 2)
> + MIPS_SYS(sys_clock_getres, 2)
> + MIPS_SYS(sys_clock_nanosleep, 4) /* 4265 */
> + MIPS_SYS(sys_tgkill , 3)
> + MIPS_SYS(sys_utimes , 2)
> + MIPS_SYS(sys_mbind , 4)
> + MIPS_SYS(sys_ni_syscall , 0) /* sys_get_mempolicy */
> + MIPS_SYS(sys_ni_syscall , 0) /* 4270 sys_set_mempolicy */
> + MIPS_SYS(sys_mq_open , 4)
> + MIPS_SYS(sys_mq_unlink , 1)
> + MIPS_SYS(sys_mq_timedsend, 5)
> + MIPS_SYS(sys_mq_timedreceive, 5)
> + MIPS_SYS(sys_mq_notify , 2) /* 4275 */
> + MIPS_SYS(sys_mq_getsetattr, 3)
> + MIPS_SYS(sys_ni_syscall , 0) /* sys_vserver */
> + MIPS_SYS(sys_waitid , 4)
> + MIPS_SYS(sys_ni_syscall , 0) /* available, was setaltroot */
> + MIPS_SYS(sys_add_key , 5)
> + MIPS_SYS(sys_request_key, 4)
> + MIPS_SYS(sys_keyctl , 5)
> + MIPS_SYS(sys_set_thread_area, 1)
> + MIPS_SYS(sys_inotify_init, 0)
> + MIPS_SYS(sys_inotify_add_watch, 3) /* 4285 */
> + MIPS_SYS(sys_inotify_rm_watch, 2)
> + MIPS_SYS(sys_migrate_pages, 4)
> + MIPS_SYS(sys_openat, 4)
> + MIPS_SYS(sys_mkdirat, 3)
> + MIPS_SYS(sys_mknodat, 4) /* 4290 */
> + MIPS_SYS(sys_fchownat, 5)
> + MIPS_SYS(sys_futimesat, 3)
> + MIPS_SYS(sys_fstatat64, 4)
> + MIPS_SYS(sys_unlinkat, 3)
> + MIPS_SYS(sys_renameat, 4) /* 4295 */
> + MIPS_SYS(sys_linkat, 5)
> + MIPS_SYS(sys_symlinkat, 3)
> + MIPS_SYS(sys_readlinkat, 4)
> + MIPS_SYS(sys_fchmodat, 3)
> + MIPS_SYS(sys_faccessat, 3) /* 4300 */
> + MIPS_SYS(sys_pselect6, 6)
> + MIPS_SYS(sys_ppoll, 5)
> + MIPS_SYS(sys_unshare, 1)
> + MIPS_SYS(sys_splice, 6)
> + MIPS_SYS(sys_sync_file_range, 7) /* 4305 */
> + MIPS_SYS(sys_tee, 4)
> + MIPS_SYS(sys_vmsplice, 4)
> + MIPS_SYS(sys_move_pages, 6)
> + MIPS_SYS(sys_set_robust_list, 2)
> + MIPS_SYS(sys_get_robust_list, 3) /* 4310 */
> + MIPS_SYS(sys_kexec_load, 4)
> + MIPS_SYS(sys_getcpu, 3)
> + MIPS_SYS(sys_epoll_pwait, 6)
> + MIPS_SYS(sys_ioprio_set, 3)
> + MIPS_SYS(sys_ioprio_get, 2)
> + MIPS_SYS(sys_utimensat, 4)
> + MIPS_SYS(sys_signalfd, 3)
> + MIPS_SYS(sys_ni_syscall, 0) /* was timerfd */
> + MIPS_SYS(sys_eventfd, 1)
> + MIPS_SYS(sys_fallocate, 6) /* 4320 */
> + MIPS_SYS(sys_timerfd_create, 2)
> + MIPS_SYS(sys_timerfd_gettime, 2)
> + MIPS_SYS(sys_timerfd_settime, 4)
> + MIPS_SYS(sys_signalfd4, 4)
> + MIPS_SYS(sys_eventfd2, 2) /* 4325 */
> + MIPS_SYS(sys_epoll_create1, 1)
> + MIPS_SYS(sys_dup3, 3)
> + MIPS_SYS(sys_pipe2, 2)
> + MIPS_SYS(sys_inotify_init1, 1)
> + MIPS_SYS(sys_preadv, 5) /* 4330 */
> + MIPS_SYS(sys_pwritev, 5)
> + MIPS_SYS(sys_rt_tgsigqueueinfo, 4)
> + MIPS_SYS(sys_perf_event_open, 5)
> + MIPS_SYS(sys_accept4, 4)
> + MIPS_SYS(sys_recvmmsg, 5) /* 4335 */
> + MIPS_SYS(sys_fanotify_init, 2)
> + MIPS_SYS(sys_fanotify_mark, 6)
> + MIPS_SYS(sys_prlimit64, 4)
> + MIPS_SYS(sys_name_to_handle_at, 5)
> + MIPS_SYS(sys_open_by_handle_at, 3) /* 4340 */
> + MIPS_SYS(sys_clock_adjtime, 2)
> + MIPS_SYS(sys_syncfs, 1)
> + MIPS_SYS(sys_sendmmsg, 4)
> + MIPS_SYS(sys_setns, 2)
> + MIPS_SYS(sys_process_vm_readv, 6) /* 345 */
> + MIPS_SYS(sys_process_vm_writev, 6)
> + MIPS_SYS(sys_kcmp, 5)
> + MIPS_SYS(sys_finit_module, 3)
> + MIPS_SYS(sys_sched_setattr, 2)
> + MIPS_SYS(sys_sched_getattr, 3) /* 350 */
> + MIPS_SYS(sys_renameat2, 5)
> + MIPS_SYS(sys_seccomp, 3)
> + MIPS_SYS(sys_getrandom, 3)
> + MIPS_SYS(sys_memfd_create, 2)
> + MIPS_SYS(sys_bpf, 3) /* 355 */
> + MIPS_SYS(sys_execveat, 5)
> + MIPS_SYS(sys_userfaultfd, 1)
> + MIPS_SYS(sys_membarrier, 2)
> + MIPS_SYS(sys_mlock2, 3)
> + MIPS_SYS(sys_copy_file_range, 6) /* 360 */
> + MIPS_SYS(sys_preadv2, 6)
> + MIPS_SYS(sys_pwritev2, 6)
> +};
> +# undef MIPS_SYS
> +# endif /* O32 */
> +
> +static int do_store_exclusive(CPUMIPSState *env)
> +{
> + target_ulong addr;
> + target_ulong page_addr;
> + target_ulong val;
> + int flags;
> + int segv = 0;
> + int reg;
> + int d;
> +
> + addr = env->lladdr;
> + page_addr = addr & TARGET_PAGE_MASK;
> + start_exclusive();
> + mmap_lock();
> + flags = page_get_flags(page_addr);
> + if ((flags & PAGE_READ) == 0) {
> + segv = 1;
> + } else {
> + reg = env->llreg & 0x1f;
> + d = (env->llreg & 0x20) != 0;
> + if (d) {
> + segv = get_user_s64(val, addr);
> + } else {
> + segv = get_user_s32(val, addr);
> + }
> + if (!segv) {
> + if (val != env->llval) {
> + env->active_tc.gpr[reg] = 0;
> + } else {
> + if (d) {
> + segv = put_user_u64(env->llnewval, addr);
> + } else {
> + segv = put_user_u32(env->llnewval, addr);
> + }
> + if (!segv) {
> + env->active_tc.gpr[reg] = 1;
> + }
> + }
> + }
> + }
> + env->lladdr = -1;
> + if (!segv) {
> + env->active_tc.PC += 4;
> + }
> + mmap_unlock();
> + end_exclusive();
> + return segv;
> +}
> +
> +/* Break codes */
> +enum {
> + BRK_OVERFLOW = 6,
> + BRK_DIVZERO = 7
> +};
> +
> +static int do_break(CPUMIPSState *env, target_siginfo_t *info,
> + unsigned int code)
> +{
> + int ret = -1;
> +
> + switch (code) {
> + case BRK_OVERFLOW:
> + case BRK_DIVZERO:
> + info->si_signo = TARGET_SIGFPE;
> + info->si_errno = 0;
> + info->si_code = (code == BRK_OVERFLOW) ? FPE_INTOVF : FPE_INTDIV;
> + queue_signal(env, info->si_signo, QEMU_SI_FAULT, &*info);
> + ret = 0;
> + break;
> + default:
> + info->si_signo = TARGET_SIGTRAP;
> + info->si_errno = 0;
> + queue_signal(env, info->si_signo, QEMU_SI_FAULT, &*info);
> + ret = 0;
> + break;
> + }
> +
> + return ret;
> +}
> +
> +void cpu_loop(CPUMIPSState *env)
> +{
> + CPUState *cs = CPU(mips_env_get_cpu(env));
> + target_siginfo_t info;
> + int trapnr;
> + abi_long ret;
> +# ifdef TARGET_ABI_MIPSO32
> + unsigned int syscall_num;
> +# endif
> +
> + for(;;) {
> + cpu_exec_start(cs);
> + trapnr = cpu_exec(cs);
> + cpu_exec_end(cs);
> + process_queued_cpu_work(cs);
> +
> + switch(trapnr) {
> + case EXCP_SYSCALL:
> + env->active_tc.PC += 4;
> +# ifdef TARGET_ABI_MIPSO32
> + syscall_num = env->active_tc.gpr[2] - 4000;
> + if (syscall_num >= sizeof(mips_syscall_args)) {
> + ret = -TARGET_ENOSYS;
> + } else {
> + int nb_args;
> + abi_ulong sp_reg;
> + abi_ulong arg5 = 0, arg6 = 0, arg7 = 0, arg8 = 0;
> +
> + nb_args = mips_syscall_args[syscall_num];
> + sp_reg = env->active_tc.gpr[29];
> + switch (nb_args) {
> + /* these arguments are taken from the stack */
> + case 8:
> + if ((ret = get_user_ual(arg8, sp_reg + 28)) != 0) {
> + goto done_syscall;
> + }
> + case 7:
> + if ((ret = get_user_ual(arg7, sp_reg + 24)) != 0) {
> + goto done_syscall;
> + }
> + case 6:
> + if ((ret = get_user_ual(arg6, sp_reg + 20)) != 0) {
> + goto done_syscall;
> + }
> + case 5:
> + if ((ret = get_user_ual(arg5, sp_reg + 16)) != 0) {
> + goto done_syscall;
> + }
> + default:
> + break;
> + }
> + ret = do_syscall(env, env->active_tc.gpr[2],
> + env->active_tc.gpr[4],
> + env->active_tc.gpr[5],
> + env->active_tc.gpr[6],
> + env->active_tc.gpr[7],
> + arg5, arg6, arg7, arg8);
> + }
> +done_syscall:
> +# else
> + ret = do_syscall(env, env->active_tc.gpr[2],
> + env->active_tc.gpr[4], env->active_tc.gpr[5],
> + env->active_tc.gpr[6], env->active_tc.gpr[7],
> + env->active_tc.gpr[8], env->active_tc.gpr[9],
> + env->active_tc.gpr[10], env->active_tc.gpr[11]);
> +# endif /* O32 */
> + if (ret == -TARGET_ERESTARTSYS) {
> + env->active_tc.PC -= 4;
> + break;
> + }
> + if (ret == -TARGET_QEMU_ESIGRETURN) {
> + /* Returning from a successful sigreturn syscall.
> + Avoid clobbering register state. */
> + break;
> + }
> + if ((abi_ulong)ret >= (abi_ulong)-1133) {
> + env->active_tc.gpr[7] = 1; /* error flag */
> + ret = -ret;
> + } else {
> + env->active_tc.gpr[7] = 0; /* error flag */
> + }
> + env->active_tc.gpr[2] = ret;
> + break;
> + case EXCP_TLBL:
> + case EXCP_TLBS:
> + case EXCP_AdEL:
> + case EXCP_AdES:
> + info.si_signo = TARGET_SIGSEGV;
> + info.si_errno = 0;
> + /* XXX: check env->error_code */
> + info.si_code = TARGET_SEGV_MAPERR;
> + info._sifields._sigfault._addr = env->CP0_BadVAddr;
> + queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
> + break;
> + case EXCP_CpU:
> + case EXCP_RI:
> + info.si_signo = TARGET_SIGILL;
> + info.si_errno = 0;
> + info.si_code = 0;
> + queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
> + break;
> + case EXCP_INTERRUPT:
> + /* just indicate that signals should be handled asap */
> + break;
> + case EXCP_DEBUG:
> + {
> + int sig;
> +
> + sig = gdb_handlesig(cs, TARGET_SIGTRAP);
> + if (sig)
> + {
> + info.si_signo = sig;
> + info.si_errno = 0;
> + info.si_code = TARGET_TRAP_BRKPT;
> + queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
> + }
> + }
> + break;
> + case EXCP_SC:
> + if (do_store_exclusive(env)) {
> + info.si_signo = TARGET_SIGSEGV;
> + info.si_errno = 0;
> + info.si_code = TARGET_SEGV_MAPERR;
> + info._sifields._sigfault._addr = env->active_tc.PC;
> + queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
> + }
> + break;
> + case EXCP_DSPDIS:
> + info.si_signo = TARGET_SIGILL;
> + info.si_errno = 0;
> + info.si_code = TARGET_ILL_ILLOPC;
> + queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info);
> + break;
> + /* The code below was inspired by the MIPS Linux kernel trap
> + * handling code in arch/mips/kernel/traps.c.
> + */
> + case EXCP_BREAK:
> + {
> + abi_ulong trap_instr;
> + unsigned int code;
> +
> + if (env->hflags & MIPS_HFLAG_M16) {
> + if (env->insn_flags & ASE_MICROMIPS) {
> + /* microMIPS mode */
> + ret = get_user_u16(trap_instr, env->active_tc.PC);
> + if (ret != 0) {
> + goto error;
> + }
> +
> + if ((trap_instr >> 10) == 0x11) {
> + /* 16-bit instruction */
> + code = trap_instr & 0xf;
> + } else {
> + /* 32-bit instruction */
> + abi_ulong instr_lo;
> +
> + ret = get_user_u16(instr_lo,
> + env->active_tc.PC + 2);
> + if (ret != 0) {
> + goto error;
> + }
> + trap_instr = (trap_instr << 16) | instr_lo;
> + code = ((trap_instr >> 6) & ((1 << 20) - 1));
> + /* Unfortunately, microMIPS also suffers from
> + the old assembler bug... */
> + if (code >= (1 << 10)) {
> + code >>= 10;
> + }
> + }
> + } else {
> + /* MIPS16e mode */
> + ret = get_user_u16(trap_instr, env->active_tc.PC);
> + if (ret != 0) {
> + goto error;
> + }
> + code = (trap_instr >> 6) & 0x3f;
> + }
> + } else {
> + ret = get_user_u32(trap_instr, env->active_tc.PC);
> + if (ret != 0) {
> + goto error;
> + }
> +
> + /* As described in the original Linux kernel code, the
> + * below checks on 'code' are to work around an old
> + * assembly bug.
> + */
> + code = ((trap_instr >> 6) & ((1 << 20) - 1));
> + if (code >= (1 << 10)) {
> + code >>= 10;
> + }
> + }
> +
> + if (do_break(env, &info, code) != 0) {
> + goto error;
> + }
> + }
> + break;
> + case EXCP_TRAP:
> + {
> + abi_ulong trap_instr;
> + unsigned int code = 0;
> +
> + if (env->hflags & MIPS_HFLAG_M16) {
> + /* microMIPS mode */
> + abi_ulong instr[2];
> +
> + ret = get_user_u16(instr[0], env->active_tc.PC) ||
> + get_user_u16(instr[1], env->active_tc.PC + 2);
> +
> + trap_instr = (instr[0] << 16) | instr[1];
> + } else {
> + ret = get_user_u32(trap_instr, env->active_tc.PC);
> + }
> +
> + if (ret != 0) {
> + goto error;
> + }
> +
> + /* The immediate versions don't provide a code. */
> + if (!(trap_instr & 0xFC000000)) {
> + if (env->hflags & MIPS_HFLAG_M16) {
> + /* microMIPS mode */
> + code = ((trap_instr >> 12) & ((1 << 4) - 1));
> + } else {
> + code = ((trap_instr >> 6) & ((1 << 10) - 1));
> + }
> + }
> +
> + if (do_break(env, &info, code) != 0) {
> + goto error;
> + }
> + }
> + break;
> + case EXCP_ATOMIC:
> + cpu_exec_step_atomic(cs);
> + break;
> + default:
> +error:
> + EXCP_DUMP(env, "qemu: unhandled CPU exception 0x%x -
> aborting\n", trapnr);
> + abort();
> + }
> + process_pending_signals(env);
> + }
> +}
>
> void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs)
> {
> + CPUState *cpu = ENV_GET_CPU(env);
> + TaskState *ts = cpu->opaque;
> + struct image_info *info = ts->info;
> + int i;
> +
> + for(i = 0; i < 32; i++) {
> + env->active_tc.gpr[i] = regs->regs[i];
> + }
> + env->active_tc.PC = regs->cp0_epc & ~(target_ulong)1;
> + if (regs->cp0_epc & 1) {
> + env->hflags |= MIPS_HFLAG_M16;
> + }
> + if (((info->elf_flags & EF_MIPS_NAN2008) != 0) !=
> + ((env->active_fpu.fcr31 & (1 << FCR31_NAN2008)) != 0)) {
> + if ((env->active_fpu.fcr31_rw_bitmask &
> + (1 << FCR31_NAN2008)) == 0) {
> + fprintf(stderr, "ELF binary's NaN mode not supported by CPU\n");
> + exit(1);
> + }
> + if ((info->elf_flags & EF_MIPS_NAN2008) != 0) {
> + env->active_fpu.fcr31 |= (1 << FCR31_NAN2008);
> + } else {
> + env->active_fpu.fcr31 &= ~(1 << FCR31_NAN2008);
> + }
> + restore_snan_bit_mode(env);
> + }
> }
> diff --git a/linux-user/mips64/cpu_loop.c b/linux-user/mips64/cpu_loop.c
> index b7700a5561..858bc5be78 100644
> --- a/linux-user/mips64/cpu_loop.c
> +++ b/linux-user/mips64/cpu_loop.c
> @@ -17,10 +17,4 @@
> * along with this program; if not, see <http://www.gnu.org/licenses/>.
> */
>
> -#include "qemu/osdep.h"
> -#include "qemu.h"
> -#include "cpu_loop-common.h"
> -
> -void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs)
> -{
> -}
> +#include "../mips/cpu_loop.c"
>
