1cd71c089SLaurent Vivier /* 2cd71c089SLaurent Vivier * qemu user cpu loop 3cd71c089SLaurent Vivier * 4cd71c089SLaurent Vivier * Copyright (c) 2003-2008 Fabrice Bellard 5cd71c089SLaurent Vivier * 6cd71c089SLaurent Vivier * This program is free software; you can redistribute it and/or modify 7cd71c089SLaurent Vivier * it under the terms of the GNU General Public License as published by 8cd71c089SLaurent Vivier * the Free Software Foundation; either version 2 of the License, or 9cd71c089SLaurent Vivier * (at your option) any later version. 10cd71c089SLaurent Vivier * 11cd71c089SLaurent Vivier * This program is distributed in the hope that it will be useful, 12cd71c089SLaurent Vivier * but WITHOUT ANY WARRANTY; without even the implied warranty of 13cd71c089SLaurent Vivier * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14cd71c089SLaurent Vivier * GNU General Public License for more details. 15cd71c089SLaurent Vivier * 16cd71c089SLaurent Vivier * You should have received a copy of the GNU General Public License 17cd71c089SLaurent Vivier * along with this program; if not, see <http://www.gnu.org/licenses/>. 18cd71c089SLaurent Vivier */ 19cd71c089SLaurent Vivier 20cd71c089SLaurent Vivier #include "qemu/osdep.h" 21cd71c089SLaurent Vivier #include "qemu.h" 22cd71c089SLaurent Vivier #include "cpu_loop-common.h" 2358908ef6SLaurent Vivier #include "elf.h" 2458908ef6SLaurent Vivier 2558908ef6SLaurent Vivier # ifdef TARGET_ABI_MIPSO32 2658908ef6SLaurent Vivier # define MIPS_SYS(name, args) args, 2758908ef6SLaurent Vivier static const uint8_t mips_syscall_args[] = { 2858908ef6SLaurent Vivier MIPS_SYS(sys_syscall , 8) /* 4000 */ 2958908ef6SLaurent Vivier MIPS_SYS(sys_exit , 1) 3058908ef6SLaurent Vivier MIPS_SYS(sys_fork , 0) 3158908ef6SLaurent Vivier MIPS_SYS(sys_read , 3) 3258908ef6SLaurent Vivier MIPS_SYS(sys_write , 3) 3358908ef6SLaurent Vivier MIPS_SYS(sys_open , 3) /* 4005 */ 3458908ef6SLaurent Vivier MIPS_SYS(sys_close , 1) 3558908ef6SLaurent Vivier MIPS_SYS(sys_waitpid , 3) 3658908ef6SLaurent Vivier MIPS_SYS(sys_creat , 2) 3758908ef6SLaurent Vivier MIPS_SYS(sys_link , 2) 3858908ef6SLaurent Vivier MIPS_SYS(sys_unlink , 1) /* 4010 */ 3958908ef6SLaurent Vivier MIPS_SYS(sys_execve , 0) 4058908ef6SLaurent Vivier MIPS_SYS(sys_chdir , 1) 4158908ef6SLaurent Vivier MIPS_SYS(sys_time , 1) 4258908ef6SLaurent Vivier MIPS_SYS(sys_mknod , 3) 4358908ef6SLaurent Vivier MIPS_SYS(sys_chmod , 2) /* 4015 */ 4458908ef6SLaurent Vivier MIPS_SYS(sys_lchown , 3) 4558908ef6SLaurent Vivier MIPS_SYS(sys_ni_syscall , 0) 4658908ef6SLaurent Vivier MIPS_SYS(sys_ni_syscall , 0) /* was sys_stat */ 4758908ef6SLaurent Vivier MIPS_SYS(sys_lseek , 3) 4858908ef6SLaurent Vivier MIPS_SYS(sys_getpid , 0) /* 4020 */ 4958908ef6SLaurent Vivier MIPS_SYS(sys_mount , 5) 5058908ef6SLaurent Vivier MIPS_SYS(sys_umount , 1) 5158908ef6SLaurent Vivier MIPS_SYS(sys_setuid , 1) 5258908ef6SLaurent Vivier MIPS_SYS(sys_getuid , 0) 5358908ef6SLaurent Vivier MIPS_SYS(sys_stime , 1) /* 4025 */ 5458908ef6SLaurent Vivier MIPS_SYS(sys_ptrace , 4) 5558908ef6SLaurent Vivier MIPS_SYS(sys_alarm , 1) 5658908ef6SLaurent Vivier MIPS_SYS(sys_ni_syscall , 0) /* was sys_fstat */ 5758908ef6SLaurent Vivier MIPS_SYS(sys_pause , 0) 5858908ef6SLaurent Vivier MIPS_SYS(sys_utime , 2) /* 4030 */ 5958908ef6SLaurent Vivier MIPS_SYS(sys_ni_syscall , 0) 6058908ef6SLaurent Vivier MIPS_SYS(sys_ni_syscall , 0) 6158908ef6SLaurent Vivier MIPS_SYS(sys_access , 2) 6258908ef6SLaurent Vivier MIPS_SYS(sys_nice , 1) 6358908ef6SLaurent Vivier MIPS_SYS(sys_ni_syscall , 0) /* 4035 */ 6458908ef6SLaurent Vivier MIPS_SYS(sys_sync , 0) 6558908ef6SLaurent Vivier MIPS_SYS(sys_kill , 2) 6658908ef6SLaurent Vivier MIPS_SYS(sys_rename , 2) 6758908ef6SLaurent Vivier MIPS_SYS(sys_mkdir , 2) 6858908ef6SLaurent Vivier MIPS_SYS(sys_rmdir , 1) /* 4040 */ 6958908ef6SLaurent Vivier MIPS_SYS(sys_dup , 1) 7058908ef6SLaurent Vivier MIPS_SYS(sys_pipe , 0) 7158908ef6SLaurent Vivier MIPS_SYS(sys_times , 1) 7258908ef6SLaurent Vivier MIPS_SYS(sys_ni_syscall , 0) 7358908ef6SLaurent Vivier MIPS_SYS(sys_brk , 1) /* 4045 */ 7458908ef6SLaurent Vivier MIPS_SYS(sys_setgid , 1) 7558908ef6SLaurent Vivier MIPS_SYS(sys_getgid , 0) 7658908ef6SLaurent Vivier MIPS_SYS(sys_ni_syscall , 0) /* was signal(2) */ 7758908ef6SLaurent Vivier MIPS_SYS(sys_geteuid , 0) 7858908ef6SLaurent Vivier MIPS_SYS(sys_getegid , 0) /* 4050 */ 7958908ef6SLaurent Vivier MIPS_SYS(sys_acct , 0) 8058908ef6SLaurent Vivier MIPS_SYS(sys_umount2 , 2) 8158908ef6SLaurent Vivier MIPS_SYS(sys_ni_syscall , 0) 8258908ef6SLaurent Vivier MIPS_SYS(sys_ioctl , 3) 8358908ef6SLaurent Vivier MIPS_SYS(sys_fcntl , 3) /* 4055 */ 8458908ef6SLaurent Vivier MIPS_SYS(sys_ni_syscall , 2) 8558908ef6SLaurent Vivier MIPS_SYS(sys_setpgid , 2) 8658908ef6SLaurent Vivier MIPS_SYS(sys_ni_syscall , 0) 8758908ef6SLaurent Vivier MIPS_SYS(sys_olduname , 1) 8858908ef6SLaurent Vivier MIPS_SYS(sys_umask , 1) /* 4060 */ 8958908ef6SLaurent Vivier MIPS_SYS(sys_chroot , 1) 9058908ef6SLaurent Vivier MIPS_SYS(sys_ustat , 2) 9158908ef6SLaurent Vivier MIPS_SYS(sys_dup2 , 2) 9258908ef6SLaurent Vivier MIPS_SYS(sys_getppid , 0) 9358908ef6SLaurent Vivier MIPS_SYS(sys_getpgrp , 0) /* 4065 */ 9458908ef6SLaurent Vivier MIPS_SYS(sys_setsid , 0) 9558908ef6SLaurent Vivier MIPS_SYS(sys_sigaction , 3) 9658908ef6SLaurent Vivier MIPS_SYS(sys_sgetmask , 0) 9758908ef6SLaurent Vivier MIPS_SYS(sys_ssetmask , 1) 9858908ef6SLaurent Vivier MIPS_SYS(sys_setreuid , 2) /* 4070 */ 9958908ef6SLaurent Vivier MIPS_SYS(sys_setregid , 2) 10058908ef6SLaurent Vivier MIPS_SYS(sys_sigsuspend , 0) 10158908ef6SLaurent Vivier MIPS_SYS(sys_sigpending , 1) 10258908ef6SLaurent Vivier MIPS_SYS(sys_sethostname , 2) 10358908ef6SLaurent Vivier MIPS_SYS(sys_setrlimit , 2) /* 4075 */ 10458908ef6SLaurent Vivier MIPS_SYS(sys_getrlimit , 2) 10558908ef6SLaurent Vivier MIPS_SYS(sys_getrusage , 2) 10658908ef6SLaurent Vivier MIPS_SYS(sys_gettimeofday, 2) 10758908ef6SLaurent Vivier MIPS_SYS(sys_settimeofday, 2) 10858908ef6SLaurent Vivier MIPS_SYS(sys_getgroups , 2) /* 4080 */ 10958908ef6SLaurent Vivier MIPS_SYS(sys_setgroups , 2) 11058908ef6SLaurent Vivier MIPS_SYS(sys_ni_syscall , 0) /* old_select */ 11158908ef6SLaurent Vivier MIPS_SYS(sys_symlink , 2) 11258908ef6SLaurent Vivier MIPS_SYS(sys_ni_syscall , 0) /* was sys_lstat */ 11358908ef6SLaurent Vivier MIPS_SYS(sys_readlink , 3) /* 4085 */ 11458908ef6SLaurent Vivier MIPS_SYS(sys_uselib , 1) 11558908ef6SLaurent Vivier MIPS_SYS(sys_swapon , 2) 11658908ef6SLaurent Vivier MIPS_SYS(sys_reboot , 3) 11758908ef6SLaurent Vivier MIPS_SYS(old_readdir , 3) 11858908ef6SLaurent Vivier MIPS_SYS(old_mmap , 6) /* 4090 */ 11958908ef6SLaurent Vivier MIPS_SYS(sys_munmap , 2) 12058908ef6SLaurent Vivier MIPS_SYS(sys_truncate , 2) 12158908ef6SLaurent Vivier MIPS_SYS(sys_ftruncate , 2) 12258908ef6SLaurent Vivier MIPS_SYS(sys_fchmod , 2) 12358908ef6SLaurent Vivier MIPS_SYS(sys_fchown , 3) /* 4095 */ 12458908ef6SLaurent Vivier MIPS_SYS(sys_getpriority , 2) 12558908ef6SLaurent Vivier MIPS_SYS(sys_setpriority , 3) 12658908ef6SLaurent Vivier MIPS_SYS(sys_ni_syscall , 0) 12758908ef6SLaurent Vivier MIPS_SYS(sys_statfs , 2) 12858908ef6SLaurent Vivier MIPS_SYS(sys_fstatfs , 2) /* 4100 */ 12958908ef6SLaurent Vivier MIPS_SYS(sys_ni_syscall , 0) /* was ioperm(2) */ 13058908ef6SLaurent Vivier MIPS_SYS(sys_socketcall , 2) 13158908ef6SLaurent Vivier MIPS_SYS(sys_syslog , 3) 13258908ef6SLaurent Vivier MIPS_SYS(sys_setitimer , 3) 13358908ef6SLaurent Vivier MIPS_SYS(sys_getitimer , 2) /* 4105 */ 13458908ef6SLaurent Vivier MIPS_SYS(sys_newstat , 2) 13558908ef6SLaurent Vivier MIPS_SYS(sys_newlstat , 2) 13658908ef6SLaurent Vivier MIPS_SYS(sys_newfstat , 2) 13758908ef6SLaurent Vivier MIPS_SYS(sys_uname , 1) 13858908ef6SLaurent Vivier MIPS_SYS(sys_ni_syscall , 0) /* 4110 was iopl(2) */ 13958908ef6SLaurent Vivier MIPS_SYS(sys_vhangup , 0) 14058908ef6SLaurent Vivier MIPS_SYS(sys_ni_syscall , 0) /* was sys_idle() */ 14158908ef6SLaurent Vivier MIPS_SYS(sys_ni_syscall , 0) /* was sys_vm86 */ 14258908ef6SLaurent Vivier MIPS_SYS(sys_wait4 , 4) 14358908ef6SLaurent Vivier MIPS_SYS(sys_swapoff , 1) /* 4115 */ 14458908ef6SLaurent Vivier MIPS_SYS(sys_sysinfo , 1) 14558908ef6SLaurent Vivier MIPS_SYS(sys_ipc , 6) 14658908ef6SLaurent Vivier MIPS_SYS(sys_fsync , 1) 14758908ef6SLaurent Vivier MIPS_SYS(sys_sigreturn , 0) 14858908ef6SLaurent Vivier MIPS_SYS(sys_clone , 6) /* 4120 */ 14958908ef6SLaurent Vivier MIPS_SYS(sys_setdomainname, 2) 15058908ef6SLaurent Vivier MIPS_SYS(sys_newuname , 1) 15158908ef6SLaurent Vivier MIPS_SYS(sys_ni_syscall , 0) /* sys_modify_ldt */ 15258908ef6SLaurent Vivier MIPS_SYS(sys_adjtimex , 1) 15358908ef6SLaurent Vivier MIPS_SYS(sys_mprotect , 3) /* 4125 */ 15458908ef6SLaurent Vivier MIPS_SYS(sys_sigprocmask , 3) 15558908ef6SLaurent Vivier MIPS_SYS(sys_ni_syscall , 0) /* was create_module */ 15658908ef6SLaurent Vivier MIPS_SYS(sys_init_module , 5) 15758908ef6SLaurent Vivier MIPS_SYS(sys_delete_module, 1) 15858908ef6SLaurent Vivier MIPS_SYS(sys_ni_syscall , 0) /* 4130 was get_kernel_syms */ 15958908ef6SLaurent Vivier MIPS_SYS(sys_quotactl , 0) 16058908ef6SLaurent Vivier MIPS_SYS(sys_getpgid , 1) 16158908ef6SLaurent Vivier MIPS_SYS(sys_fchdir , 1) 16258908ef6SLaurent Vivier MIPS_SYS(sys_bdflush , 2) 16358908ef6SLaurent Vivier MIPS_SYS(sys_sysfs , 3) /* 4135 */ 16458908ef6SLaurent Vivier MIPS_SYS(sys_personality , 1) 16558908ef6SLaurent Vivier MIPS_SYS(sys_ni_syscall , 0) /* for afs_syscall */ 16658908ef6SLaurent Vivier MIPS_SYS(sys_setfsuid , 1) 16758908ef6SLaurent Vivier MIPS_SYS(sys_setfsgid , 1) 16858908ef6SLaurent Vivier MIPS_SYS(sys_llseek , 5) /* 4140 */ 16958908ef6SLaurent Vivier MIPS_SYS(sys_getdents , 3) 17058908ef6SLaurent Vivier MIPS_SYS(sys_select , 5) 17158908ef6SLaurent Vivier MIPS_SYS(sys_flock , 2) 17258908ef6SLaurent Vivier MIPS_SYS(sys_msync , 3) 17358908ef6SLaurent Vivier MIPS_SYS(sys_readv , 3) /* 4145 */ 17458908ef6SLaurent Vivier MIPS_SYS(sys_writev , 3) 17558908ef6SLaurent Vivier MIPS_SYS(sys_cacheflush , 3) 17658908ef6SLaurent Vivier MIPS_SYS(sys_cachectl , 3) 17758908ef6SLaurent Vivier MIPS_SYS(sys_sysmips , 4) 17858908ef6SLaurent Vivier MIPS_SYS(sys_ni_syscall , 0) /* 4150 */ 17958908ef6SLaurent Vivier MIPS_SYS(sys_getsid , 1) 18058908ef6SLaurent Vivier MIPS_SYS(sys_fdatasync , 0) 18158908ef6SLaurent Vivier MIPS_SYS(sys_sysctl , 1) 18258908ef6SLaurent Vivier MIPS_SYS(sys_mlock , 2) 18358908ef6SLaurent Vivier MIPS_SYS(sys_munlock , 2) /* 4155 */ 18458908ef6SLaurent Vivier MIPS_SYS(sys_mlockall , 1) 18558908ef6SLaurent Vivier MIPS_SYS(sys_munlockall , 0) 18658908ef6SLaurent Vivier MIPS_SYS(sys_sched_setparam, 2) 18758908ef6SLaurent Vivier MIPS_SYS(sys_sched_getparam, 2) 18858908ef6SLaurent Vivier MIPS_SYS(sys_sched_setscheduler, 3) /* 4160 */ 18958908ef6SLaurent Vivier MIPS_SYS(sys_sched_getscheduler, 1) 19058908ef6SLaurent Vivier MIPS_SYS(sys_sched_yield , 0) 19158908ef6SLaurent Vivier MIPS_SYS(sys_sched_get_priority_max, 1) 19258908ef6SLaurent Vivier MIPS_SYS(sys_sched_get_priority_min, 1) 19358908ef6SLaurent Vivier MIPS_SYS(sys_sched_rr_get_interval, 2) /* 4165 */ 19458908ef6SLaurent Vivier MIPS_SYS(sys_nanosleep, 2) 19558908ef6SLaurent Vivier MIPS_SYS(sys_mremap , 5) 19658908ef6SLaurent Vivier MIPS_SYS(sys_accept , 3) 19758908ef6SLaurent Vivier MIPS_SYS(sys_bind , 3) 19858908ef6SLaurent Vivier MIPS_SYS(sys_connect , 3) /* 4170 */ 19958908ef6SLaurent Vivier MIPS_SYS(sys_getpeername , 3) 20058908ef6SLaurent Vivier MIPS_SYS(sys_getsockname , 3) 20158908ef6SLaurent Vivier MIPS_SYS(sys_getsockopt , 5) 20258908ef6SLaurent Vivier MIPS_SYS(sys_listen , 2) 20358908ef6SLaurent Vivier MIPS_SYS(sys_recv , 4) /* 4175 */ 20458908ef6SLaurent Vivier MIPS_SYS(sys_recvfrom , 6) 20558908ef6SLaurent Vivier MIPS_SYS(sys_recvmsg , 3) 20658908ef6SLaurent Vivier MIPS_SYS(sys_send , 4) 20758908ef6SLaurent Vivier MIPS_SYS(sys_sendmsg , 3) 20858908ef6SLaurent Vivier MIPS_SYS(sys_sendto , 6) /* 4180 */ 20958908ef6SLaurent Vivier MIPS_SYS(sys_setsockopt , 5) 21058908ef6SLaurent Vivier MIPS_SYS(sys_shutdown , 2) 21158908ef6SLaurent Vivier MIPS_SYS(sys_socket , 3) 21258908ef6SLaurent Vivier MIPS_SYS(sys_socketpair , 4) 21358908ef6SLaurent Vivier MIPS_SYS(sys_setresuid , 3) /* 4185 */ 21458908ef6SLaurent Vivier MIPS_SYS(sys_getresuid , 3) 21558908ef6SLaurent Vivier MIPS_SYS(sys_ni_syscall , 0) /* was sys_query_module */ 21658908ef6SLaurent Vivier MIPS_SYS(sys_poll , 3) 21758908ef6SLaurent Vivier MIPS_SYS(sys_nfsservctl , 3) 21858908ef6SLaurent Vivier MIPS_SYS(sys_setresgid , 3) /* 4190 */ 21958908ef6SLaurent Vivier MIPS_SYS(sys_getresgid , 3) 22058908ef6SLaurent Vivier MIPS_SYS(sys_prctl , 5) 22158908ef6SLaurent Vivier MIPS_SYS(sys_rt_sigreturn, 0) 22258908ef6SLaurent Vivier MIPS_SYS(sys_rt_sigaction, 4) 22358908ef6SLaurent Vivier MIPS_SYS(sys_rt_sigprocmask, 4) /* 4195 */ 22458908ef6SLaurent Vivier MIPS_SYS(sys_rt_sigpending, 2) 22558908ef6SLaurent Vivier MIPS_SYS(sys_rt_sigtimedwait, 4) 22658908ef6SLaurent Vivier MIPS_SYS(sys_rt_sigqueueinfo, 3) 22758908ef6SLaurent Vivier MIPS_SYS(sys_rt_sigsuspend, 0) 22858908ef6SLaurent Vivier MIPS_SYS(sys_pread64 , 6) /* 4200 */ 22958908ef6SLaurent Vivier MIPS_SYS(sys_pwrite64 , 6) 23058908ef6SLaurent Vivier MIPS_SYS(sys_chown , 3) 23158908ef6SLaurent Vivier MIPS_SYS(sys_getcwd , 2) 23258908ef6SLaurent Vivier MIPS_SYS(sys_capget , 2) 23358908ef6SLaurent Vivier MIPS_SYS(sys_capset , 2) /* 4205 */ 23458908ef6SLaurent Vivier MIPS_SYS(sys_sigaltstack , 2) 23558908ef6SLaurent Vivier MIPS_SYS(sys_sendfile , 4) 23658908ef6SLaurent Vivier MIPS_SYS(sys_ni_syscall , 0) 23758908ef6SLaurent Vivier MIPS_SYS(sys_ni_syscall , 0) 23858908ef6SLaurent Vivier MIPS_SYS(sys_mmap2 , 6) /* 4210 */ 23958908ef6SLaurent Vivier MIPS_SYS(sys_truncate64 , 4) 24058908ef6SLaurent Vivier MIPS_SYS(sys_ftruncate64 , 4) 24158908ef6SLaurent Vivier MIPS_SYS(sys_stat64 , 2) 24258908ef6SLaurent Vivier MIPS_SYS(sys_lstat64 , 2) 24358908ef6SLaurent Vivier MIPS_SYS(sys_fstat64 , 2) /* 4215 */ 24458908ef6SLaurent Vivier MIPS_SYS(sys_pivot_root , 2) 24558908ef6SLaurent Vivier MIPS_SYS(sys_mincore , 3) 24658908ef6SLaurent Vivier MIPS_SYS(sys_madvise , 3) 24758908ef6SLaurent Vivier MIPS_SYS(sys_getdents64 , 3) 24858908ef6SLaurent Vivier MIPS_SYS(sys_fcntl64 , 3) /* 4220 */ 24958908ef6SLaurent Vivier MIPS_SYS(sys_ni_syscall , 0) 25058908ef6SLaurent Vivier MIPS_SYS(sys_gettid , 0) 25158908ef6SLaurent Vivier MIPS_SYS(sys_readahead , 5) 25258908ef6SLaurent Vivier MIPS_SYS(sys_setxattr , 5) 25358908ef6SLaurent Vivier MIPS_SYS(sys_lsetxattr , 5) /* 4225 */ 25458908ef6SLaurent Vivier MIPS_SYS(sys_fsetxattr , 5) 25558908ef6SLaurent Vivier MIPS_SYS(sys_getxattr , 4) 25658908ef6SLaurent Vivier MIPS_SYS(sys_lgetxattr , 4) 25758908ef6SLaurent Vivier MIPS_SYS(sys_fgetxattr , 4) 25858908ef6SLaurent Vivier MIPS_SYS(sys_listxattr , 3) /* 4230 */ 25958908ef6SLaurent Vivier MIPS_SYS(sys_llistxattr , 3) 26058908ef6SLaurent Vivier MIPS_SYS(sys_flistxattr , 3) 26158908ef6SLaurent Vivier MIPS_SYS(sys_removexattr , 2) 26258908ef6SLaurent Vivier MIPS_SYS(sys_lremovexattr, 2) 26358908ef6SLaurent Vivier MIPS_SYS(sys_fremovexattr, 2) /* 4235 */ 26458908ef6SLaurent Vivier MIPS_SYS(sys_tkill , 2) 26558908ef6SLaurent Vivier MIPS_SYS(sys_sendfile64 , 5) 26658908ef6SLaurent Vivier MIPS_SYS(sys_futex , 6) 26758908ef6SLaurent Vivier MIPS_SYS(sys_sched_setaffinity, 3) 26858908ef6SLaurent Vivier MIPS_SYS(sys_sched_getaffinity, 3) /* 4240 */ 26958908ef6SLaurent Vivier MIPS_SYS(sys_io_setup , 2) 27058908ef6SLaurent Vivier MIPS_SYS(sys_io_destroy , 1) 27158908ef6SLaurent Vivier MIPS_SYS(sys_io_getevents, 5) 27258908ef6SLaurent Vivier MIPS_SYS(sys_io_submit , 3) 27358908ef6SLaurent Vivier MIPS_SYS(sys_io_cancel , 3) /* 4245 */ 27458908ef6SLaurent Vivier MIPS_SYS(sys_exit_group , 1) 27558908ef6SLaurent Vivier MIPS_SYS(sys_lookup_dcookie, 3) 27658908ef6SLaurent Vivier MIPS_SYS(sys_epoll_create, 1) 27758908ef6SLaurent Vivier MIPS_SYS(sys_epoll_ctl , 4) 27858908ef6SLaurent Vivier MIPS_SYS(sys_epoll_wait , 3) /* 4250 */ 27958908ef6SLaurent Vivier MIPS_SYS(sys_remap_file_pages, 5) 28058908ef6SLaurent Vivier MIPS_SYS(sys_set_tid_address, 1) 28158908ef6SLaurent Vivier MIPS_SYS(sys_restart_syscall, 0) 28258908ef6SLaurent Vivier MIPS_SYS(sys_fadvise64_64, 7) 28358908ef6SLaurent Vivier MIPS_SYS(sys_statfs64 , 3) /* 4255 */ 28458908ef6SLaurent Vivier MIPS_SYS(sys_fstatfs64 , 2) 28558908ef6SLaurent Vivier MIPS_SYS(sys_timer_create, 3) 28658908ef6SLaurent Vivier MIPS_SYS(sys_timer_settime, 4) 28758908ef6SLaurent Vivier MIPS_SYS(sys_timer_gettime, 2) 28858908ef6SLaurent Vivier MIPS_SYS(sys_timer_getoverrun, 1) /* 4260 */ 28958908ef6SLaurent Vivier MIPS_SYS(sys_timer_delete, 1) 29058908ef6SLaurent Vivier MIPS_SYS(sys_clock_settime, 2) 29158908ef6SLaurent Vivier MIPS_SYS(sys_clock_gettime, 2) 29258908ef6SLaurent Vivier MIPS_SYS(sys_clock_getres, 2) 29358908ef6SLaurent Vivier MIPS_SYS(sys_clock_nanosleep, 4) /* 4265 */ 29458908ef6SLaurent Vivier MIPS_SYS(sys_tgkill , 3) 29558908ef6SLaurent Vivier MIPS_SYS(sys_utimes , 2) 29658908ef6SLaurent Vivier MIPS_SYS(sys_mbind , 4) 29758908ef6SLaurent Vivier MIPS_SYS(sys_ni_syscall , 0) /* sys_get_mempolicy */ 29858908ef6SLaurent Vivier MIPS_SYS(sys_ni_syscall , 0) /* 4270 sys_set_mempolicy */ 29958908ef6SLaurent Vivier MIPS_SYS(sys_mq_open , 4) 30058908ef6SLaurent Vivier MIPS_SYS(sys_mq_unlink , 1) 30158908ef6SLaurent Vivier MIPS_SYS(sys_mq_timedsend, 5) 30258908ef6SLaurent Vivier MIPS_SYS(sys_mq_timedreceive, 5) 30358908ef6SLaurent Vivier MIPS_SYS(sys_mq_notify , 2) /* 4275 */ 30458908ef6SLaurent Vivier MIPS_SYS(sys_mq_getsetattr, 3) 30558908ef6SLaurent Vivier MIPS_SYS(sys_ni_syscall , 0) /* sys_vserver */ 30658908ef6SLaurent Vivier MIPS_SYS(sys_waitid , 4) 30758908ef6SLaurent Vivier MIPS_SYS(sys_ni_syscall , 0) /* available, was setaltroot */ 30858908ef6SLaurent Vivier MIPS_SYS(sys_add_key , 5) 30958908ef6SLaurent Vivier MIPS_SYS(sys_request_key, 4) 31058908ef6SLaurent Vivier MIPS_SYS(sys_keyctl , 5) 31158908ef6SLaurent Vivier MIPS_SYS(sys_set_thread_area, 1) 31258908ef6SLaurent Vivier MIPS_SYS(sys_inotify_init, 0) 31358908ef6SLaurent Vivier MIPS_SYS(sys_inotify_add_watch, 3) /* 4285 */ 31458908ef6SLaurent Vivier MIPS_SYS(sys_inotify_rm_watch, 2) 31558908ef6SLaurent Vivier MIPS_SYS(sys_migrate_pages, 4) 31658908ef6SLaurent Vivier MIPS_SYS(sys_openat, 4) 31758908ef6SLaurent Vivier MIPS_SYS(sys_mkdirat, 3) 31858908ef6SLaurent Vivier MIPS_SYS(sys_mknodat, 4) /* 4290 */ 31958908ef6SLaurent Vivier MIPS_SYS(sys_fchownat, 5) 32058908ef6SLaurent Vivier MIPS_SYS(sys_futimesat, 3) 32158908ef6SLaurent Vivier MIPS_SYS(sys_fstatat64, 4) 32258908ef6SLaurent Vivier MIPS_SYS(sys_unlinkat, 3) 32358908ef6SLaurent Vivier MIPS_SYS(sys_renameat, 4) /* 4295 */ 32458908ef6SLaurent Vivier MIPS_SYS(sys_linkat, 5) 32558908ef6SLaurent Vivier MIPS_SYS(sys_symlinkat, 3) 32658908ef6SLaurent Vivier MIPS_SYS(sys_readlinkat, 4) 32758908ef6SLaurent Vivier MIPS_SYS(sys_fchmodat, 3) 32858908ef6SLaurent Vivier MIPS_SYS(sys_faccessat, 3) /* 4300 */ 32958908ef6SLaurent Vivier MIPS_SYS(sys_pselect6, 6) 33058908ef6SLaurent Vivier MIPS_SYS(sys_ppoll, 5) 33158908ef6SLaurent Vivier MIPS_SYS(sys_unshare, 1) 33258908ef6SLaurent Vivier MIPS_SYS(sys_splice, 6) 33358908ef6SLaurent Vivier MIPS_SYS(sys_sync_file_range, 7) /* 4305 */ 33458908ef6SLaurent Vivier MIPS_SYS(sys_tee, 4) 33558908ef6SLaurent Vivier MIPS_SYS(sys_vmsplice, 4) 33658908ef6SLaurent Vivier MIPS_SYS(sys_move_pages, 6) 33758908ef6SLaurent Vivier MIPS_SYS(sys_set_robust_list, 2) 33858908ef6SLaurent Vivier MIPS_SYS(sys_get_robust_list, 3) /* 4310 */ 33958908ef6SLaurent Vivier MIPS_SYS(sys_kexec_load, 4) 34058908ef6SLaurent Vivier MIPS_SYS(sys_getcpu, 3) 34158908ef6SLaurent Vivier MIPS_SYS(sys_epoll_pwait, 6) 34258908ef6SLaurent Vivier MIPS_SYS(sys_ioprio_set, 3) 34358908ef6SLaurent Vivier MIPS_SYS(sys_ioprio_get, 2) 34458908ef6SLaurent Vivier MIPS_SYS(sys_utimensat, 4) 34558908ef6SLaurent Vivier MIPS_SYS(sys_signalfd, 3) 34658908ef6SLaurent Vivier MIPS_SYS(sys_ni_syscall, 0) /* was timerfd */ 34758908ef6SLaurent Vivier MIPS_SYS(sys_eventfd, 1) 34858908ef6SLaurent Vivier MIPS_SYS(sys_fallocate, 6) /* 4320 */ 34958908ef6SLaurent Vivier MIPS_SYS(sys_timerfd_create, 2) 35058908ef6SLaurent Vivier MIPS_SYS(sys_timerfd_gettime, 2) 35158908ef6SLaurent Vivier MIPS_SYS(sys_timerfd_settime, 4) 35258908ef6SLaurent Vivier MIPS_SYS(sys_signalfd4, 4) 35358908ef6SLaurent Vivier MIPS_SYS(sys_eventfd2, 2) /* 4325 */ 35458908ef6SLaurent Vivier MIPS_SYS(sys_epoll_create1, 1) 35558908ef6SLaurent Vivier MIPS_SYS(sys_dup3, 3) 35658908ef6SLaurent Vivier MIPS_SYS(sys_pipe2, 2) 35758908ef6SLaurent Vivier MIPS_SYS(sys_inotify_init1, 1) 35858908ef6SLaurent Vivier MIPS_SYS(sys_preadv, 5) /* 4330 */ 35958908ef6SLaurent Vivier MIPS_SYS(sys_pwritev, 5) 36058908ef6SLaurent Vivier MIPS_SYS(sys_rt_tgsigqueueinfo, 4) 36158908ef6SLaurent Vivier MIPS_SYS(sys_perf_event_open, 5) 36258908ef6SLaurent Vivier MIPS_SYS(sys_accept4, 4) 36358908ef6SLaurent Vivier MIPS_SYS(sys_recvmmsg, 5) /* 4335 */ 36458908ef6SLaurent Vivier MIPS_SYS(sys_fanotify_init, 2) 36558908ef6SLaurent Vivier MIPS_SYS(sys_fanotify_mark, 6) 36658908ef6SLaurent Vivier MIPS_SYS(sys_prlimit64, 4) 36758908ef6SLaurent Vivier MIPS_SYS(sys_name_to_handle_at, 5) 36858908ef6SLaurent Vivier MIPS_SYS(sys_open_by_handle_at, 3) /* 4340 */ 36958908ef6SLaurent Vivier MIPS_SYS(sys_clock_adjtime, 2) 37058908ef6SLaurent Vivier MIPS_SYS(sys_syncfs, 1) 37158908ef6SLaurent Vivier MIPS_SYS(sys_sendmmsg, 4) 37258908ef6SLaurent Vivier MIPS_SYS(sys_setns, 2) 37358908ef6SLaurent Vivier MIPS_SYS(sys_process_vm_readv, 6) /* 345 */ 37458908ef6SLaurent Vivier MIPS_SYS(sys_process_vm_writev, 6) 37558908ef6SLaurent Vivier MIPS_SYS(sys_kcmp, 5) 37658908ef6SLaurent Vivier MIPS_SYS(sys_finit_module, 3) 37758908ef6SLaurent Vivier MIPS_SYS(sys_sched_setattr, 2) 37858908ef6SLaurent Vivier MIPS_SYS(sys_sched_getattr, 3) /* 350 */ 37958908ef6SLaurent Vivier MIPS_SYS(sys_renameat2, 5) 38058908ef6SLaurent Vivier MIPS_SYS(sys_seccomp, 3) 38158908ef6SLaurent Vivier MIPS_SYS(sys_getrandom, 3) 38258908ef6SLaurent Vivier MIPS_SYS(sys_memfd_create, 2) 38358908ef6SLaurent Vivier MIPS_SYS(sys_bpf, 3) /* 355 */ 38458908ef6SLaurent Vivier MIPS_SYS(sys_execveat, 5) 38558908ef6SLaurent Vivier MIPS_SYS(sys_userfaultfd, 1) 38658908ef6SLaurent Vivier MIPS_SYS(sys_membarrier, 2) 38758908ef6SLaurent Vivier MIPS_SYS(sys_mlock2, 3) 38858908ef6SLaurent Vivier MIPS_SYS(sys_copy_file_range, 6) /* 360 */ 38958908ef6SLaurent Vivier MIPS_SYS(sys_preadv2, 6) 39058908ef6SLaurent Vivier MIPS_SYS(sys_pwritev2, 6) 39158908ef6SLaurent Vivier }; 39258908ef6SLaurent Vivier # undef MIPS_SYS 39358908ef6SLaurent Vivier # endif /* O32 */ 39458908ef6SLaurent Vivier 39558908ef6SLaurent Vivier static int do_store_exclusive(CPUMIPSState *env) 39658908ef6SLaurent Vivier { 39758908ef6SLaurent Vivier target_ulong addr; 39858908ef6SLaurent Vivier target_ulong page_addr; 39958908ef6SLaurent Vivier target_ulong val; 4000b16dcd1SAleksandar Rikalo uint32_t val_wp = 0; 4010b16dcd1SAleksandar Rikalo uint32_t llnewval_wp = 0; 40258908ef6SLaurent Vivier int flags; 40358908ef6SLaurent Vivier int segv = 0; 40458908ef6SLaurent Vivier int reg; 40558908ef6SLaurent Vivier int d; 4060b16dcd1SAleksandar Rikalo int wp; 40758908ef6SLaurent Vivier 40858908ef6SLaurent Vivier addr = env->lladdr; 40958908ef6SLaurent Vivier page_addr = addr & TARGET_PAGE_MASK; 41058908ef6SLaurent Vivier start_exclusive(); 41158908ef6SLaurent Vivier mmap_lock(); 41258908ef6SLaurent Vivier flags = page_get_flags(page_addr); 41358908ef6SLaurent Vivier if ((flags & PAGE_READ) == 0) { 41458908ef6SLaurent Vivier segv = 1; 41558908ef6SLaurent Vivier } else { 41658908ef6SLaurent Vivier reg = env->llreg & 0x1f; 41758908ef6SLaurent Vivier d = (env->llreg & 0x20) != 0; 4180b16dcd1SAleksandar Rikalo wp = (env->llreg & 0x40) != 0; 4190b16dcd1SAleksandar Rikalo if (!wp) { 42058908ef6SLaurent Vivier if (d) { 42158908ef6SLaurent Vivier segv = get_user_s64(val, addr); 42258908ef6SLaurent Vivier } else { 42358908ef6SLaurent Vivier segv = get_user_s32(val, addr); 42458908ef6SLaurent Vivier } 4250b16dcd1SAleksandar Rikalo } else { 4260b16dcd1SAleksandar Rikalo segv = get_user_s32(val, addr); 4270b16dcd1SAleksandar Rikalo segv |= get_user_s32(val_wp, addr); 4280b16dcd1SAleksandar Rikalo llnewval_wp = env->llnewval_wp; 4290b16dcd1SAleksandar Rikalo } 43058908ef6SLaurent Vivier if (!segv) { 4310b16dcd1SAleksandar Rikalo if (val != env->llval && val_wp == llnewval_wp) { 43258908ef6SLaurent Vivier env->active_tc.gpr[reg] = 0; 43358908ef6SLaurent Vivier } else { 4340b16dcd1SAleksandar Rikalo if (!wp) { 43558908ef6SLaurent Vivier if (d) { 43658908ef6SLaurent Vivier segv = put_user_u64(env->llnewval, addr); 43758908ef6SLaurent Vivier } else { 43858908ef6SLaurent Vivier segv = put_user_u32(env->llnewval, addr); 43958908ef6SLaurent Vivier } 4400b16dcd1SAleksandar Rikalo } else { 4410b16dcd1SAleksandar Rikalo segv = put_user_u32(env->llnewval, addr); 4420b16dcd1SAleksandar Rikalo segv |= put_user_u32(env->llnewval_wp, addr + 4); 4430b16dcd1SAleksandar Rikalo } 44458908ef6SLaurent Vivier if (!segv) { 44558908ef6SLaurent Vivier env->active_tc.gpr[reg] = 1; 44658908ef6SLaurent Vivier } 44758908ef6SLaurent Vivier } 44858908ef6SLaurent Vivier } 44958908ef6SLaurent Vivier } 45058908ef6SLaurent Vivier env->lladdr = -1; 45158908ef6SLaurent Vivier if (!segv) { 45258908ef6SLaurent Vivier env->active_tc.PC += 4; 45358908ef6SLaurent Vivier } 45458908ef6SLaurent Vivier mmap_unlock(); 45558908ef6SLaurent Vivier end_exclusive(); 45658908ef6SLaurent Vivier return segv; 45758908ef6SLaurent Vivier } 45858908ef6SLaurent Vivier 45958908ef6SLaurent Vivier /* Break codes */ 46058908ef6SLaurent Vivier enum { 46158908ef6SLaurent Vivier BRK_OVERFLOW = 6, 46258908ef6SLaurent Vivier BRK_DIVZERO = 7 46358908ef6SLaurent Vivier }; 46458908ef6SLaurent Vivier 46558908ef6SLaurent Vivier static int do_break(CPUMIPSState *env, target_siginfo_t *info, 46658908ef6SLaurent Vivier unsigned int code) 46758908ef6SLaurent Vivier { 46858908ef6SLaurent Vivier int ret = -1; 46958908ef6SLaurent Vivier 47058908ef6SLaurent Vivier switch (code) { 47158908ef6SLaurent Vivier case BRK_OVERFLOW: 47258908ef6SLaurent Vivier case BRK_DIVZERO: 47358908ef6SLaurent Vivier info->si_signo = TARGET_SIGFPE; 47458908ef6SLaurent Vivier info->si_errno = 0; 47558908ef6SLaurent Vivier info->si_code = (code == BRK_OVERFLOW) ? FPE_INTOVF : FPE_INTDIV; 47658908ef6SLaurent Vivier queue_signal(env, info->si_signo, QEMU_SI_FAULT, &*info); 47758908ef6SLaurent Vivier ret = 0; 47858908ef6SLaurent Vivier break; 47958908ef6SLaurent Vivier default: 48058908ef6SLaurent Vivier info->si_signo = TARGET_SIGTRAP; 48158908ef6SLaurent Vivier info->si_errno = 0; 48258908ef6SLaurent Vivier queue_signal(env, info->si_signo, QEMU_SI_FAULT, &*info); 48358908ef6SLaurent Vivier ret = 0; 48458908ef6SLaurent Vivier break; 48558908ef6SLaurent Vivier } 48658908ef6SLaurent Vivier 48758908ef6SLaurent Vivier return ret; 48858908ef6SLaurent Vivier } 48958908ef6SLaurent Vivier 49058908ef6SLaurent Vivier void cpu_loop(CPUMIPSState *env) 49158908ef6SLaurent Vivier { 49258908ef6SLaurent Vivier CPUState *cs = CPU(mips_env_get_cpu(env)); 49358908ef6SLaurent Vivier target_siginfo_t info; 49458908ef6SLaurent Vivier int trapnr; 49558908ef6SLaurent Vivier abi_long ret; 49658908ef6SLaurent Vivier # ifdef TARGET_ABI_MIPSO32 49758908ef6SLaurent Vivier unsigned int syscall_num; 49858908ef6SLaurent Vivier # endif 49958908ef6SLaurent Vivier 50058908ef6SLaurent Vivier for(;;) { 50158908ef6SLaurent Vivier cpu_exec_start(cs); 50258908ef6SLaurent Vivier trapnr = cpu_exec(cs); 50358908ef6SLaurent Vivier cpu_exec_end(cs); 50458908ef6SLaurent Vivier process_queued_cpu_work(cs); 50558908ef6SLaurent Vivier 50658908ef6SLaurent Vivier switch(trapnr) { 50758908ef6SLaurent Vivier case EXCP_SYSCALL: 50858908ef6SLaurent Vivier env->active_tc.PC += 4; 50958908ef6SLaurent Vivier # ifdef TARGET_ABI_MIPSO32 51058908ef6SLaurent Vivier syscall_num = env->active_tc.gpr[2] - 4000; 51158908ef6SLaurent Vivier if (syscall_num >= sizeof(mips_syscall_args)) { 51258908ef6SLaurent Vivier ret = -TARGET_ENOSYS; 51358908ef6SLaurent Vivier } else { 51458908ef6SLaurent Vivier int nb_args; 51558908ef6SLaurent Vivier abi_ulong sp_reg; 51658908ef6SLaurent Vivier abi_ulong arg5 = 0, arg6 = 0, arg7 = 0, arg8 = 0; 51758908ef6SLaurent Vivier 51858908ef6SLaurent Vivier nb_args = mips_syscall_args[syscall_num]; 51958908ef6SLaurent Vivier sp_reg = env->active_tc.gpr[29]; 52058908ef6SLaurent Vivier switch (nb_args) { 52158908ef6SLaurent Vivier /* these arguments are taken from the stack */ 52258908ef6SLaurent Vivier case 8: 52358908ef6SLaurent Vivier if ((ret = get_user_ual(arg8, sp_reg + 28)) != 0) { 52458908ef6SLaurent Vivier goto done_syscall; 52558908ef6SLaurent Vivier } 52658908ef6SLaurent Vivier case 7: 52758908ef6SLaurent Vivier if ((ret = get_user_ual(arg7, sp_reg + 24)) != 0) { 52858908ef6SLaurent Vivier goto done_syscall; 52958908ef6SLaurent Vivier } 53058908ef6SLaurent Vivier case 6: 53158908ef6SLaurent Vivier if ((ret = get_user_ual(arg6, sp_reg + 20)) != 0) { 53258908ef6SLaurent Vivier goto done_syscall; 53358908ef6SLaurent Vivier } 53458908ef6SLaurent Vivier case 5: 53558908ef6SLaurent Vivier if ((ret = get_user_ual(arg5, sp_reg + 16)) != 0) { 53658908ef6SLaurent Vivier goto done_syscall; 53758908ef6SLaurent Vivier } 53858908ef6SLaurent Vivier default: 53958908ef6SLaurent Vivier break; 54058908ef6SLaurent Vivier } 54158908ef6SLaurent Vivier ret = do_syscall(env, env->active_tc.gpr[2], 54258908ef6SLaurent Vivier env->active_tc.gpr[4], 54358908ef6SLaurent Vivier env->active_tc.gpr[5], 54458908ef6SLaurent Vivier env->active_tc.gpr[6], 54558908ef6SLaurent Vivier env->active_tc.gpr[7], 54658908ef6SLaurent Vivier arg5, arg6, arg7, arg8); 54758908ef6SLaurent Vivier } 54858908ef6SLaurent Vivier done_syscall: 54958908ef6SLaurent Vivier # else 55058908ef6SLaurent Vivier ret = do_syscall(env, env->active_tc.gpr[2], 55158908ef6SLaurent Vivier env->active_tc.gpr[4], env->active_tc.gpr[5], 55258908ef6SLaurent Vivier env->active_tc.gpr[6], env->active_tc.gpr[7], 55358908ef6SLaurent Vivier env->active_tc.gpr[8], env->active_tc.gpr[9], 55458908ef6SLaurent Vivier env->active_tc.gpr[10], env->active_tc.gpr[11]); 55558908ef6SLaurent Vivier # endif /* O32 */ 55658908ef6SLaurent Vivier if (ret == -TARGET_ERESTARTSYS) { 55758908ef6SLaurent Vivier env->active_tc.PC -= 4; 55858908ef6SLaurent Vivier break; 55958908ef6SLaurent Vivier } 56058908ef6SLaurent Vivier if (ret == -TARGET_QEMU_ESIGRETURN) { 56158908ef6SLaurent Vivier /* Returning from a successful sigreturn syscall. 56258908ef6SLaurent Vivier Avoid clobbering register state. */ 56358908ef6SLaurent Vivier break; 56458908ef6SLaurent Vivier } 56558908ef6SLaurent Vivier if ((abi_ulong)ret >= (abi_ulong)-1133) { 56658908ef6SLaurent Vivier env->active_tc.gpr[7] = 1; /* error flag */ 56758908ef6SLaurent Vivier ret = -ret; 56858908ef6SLaurent Vivier } else { 56958908ef6SLaurent Vivier env->active_tc.gpr[7] = 0; /* error flag */ 57058908ef6SLaurent Vivier } 57158908ef6SLaurent Vivier env->active_tc.gpr[2] = ret; 57258908ef6SLaurent Vivier break; 57358908ef6SLaurent Vivier case EXCP_TLBL: 57458908ef6SLaurent Vivier case EXCP_TLBS: 57558908ef6SLaurent Vivier case EXCP_AdEL: 57658908ef6SLaurent Vivier case EXCP_AdES: 57758908ef6SLaurent Vivier info.si_signo = TARGET_SIGSEGV; 57858908ef6SLaurent Vivier info.si_errno = 0; 57958908ef6SLaurent Vivier /* XXX: check env->error_code */ 58058908ef6SLaurent Vivier info.si_code = TARGET_SEGV_MAPERR; 58158908ef6SLaurent Vivier info._sifields._sigfault._addr = env->CP0_BadVAddr; 58258908ef6SLaurent Vivier queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); 58358908ef6SLaurent Vivier break; 58458908ef6SLaurent Vivier case EXCP_CpU: 58558908ef6SLaurent Vivier case EXCP_RI: 58658908ef6SLaurent Vivier info.si_signo = TARGET_SIGILL; 58758908ef6SLaurent Vivier info.si_errno = 0; 58858908ef6SLaurent Vivier info.si_code = 0; 58958908ef6SLaurent Vivier queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); 59058908ef6SLaurent Vivier break; 59158908ef6SLaurent Vivier case EXCP_INTERRUPT: 59258908ef6SLaurent Vivier /* just indicate that signals should be handled asap */ 59358908ef6SLaurent Vivier break; 59458908ef6SLaurent Vivier case EXCP_DEBUG: 59558908ef6SLaurent Vivier { 59658908ef6SLaurent Vivier int sig; 59758908ef6SLaurent Vivier 59858908ef6SLaurent Vivier sig = gdb_handlesig(cs, TARGET_SIGTRAP); 59958908ef6SLaurent Vivier if (sig) 60058908ef6SLaurent Vivier { 60158908ef6SLaurent Vivier info.si_signo = sig; 60258908ef6SLaurent Vivier info.si_errno = 0; 60358908ef6SLaurent Vivier info.si_code = TARGET_TRAP_BRKPT; 60458908ef6SLaurent Vivier queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); 60558908ef6SLaurent Vivier } 60658908ef6SLaurent Vivier } 60758908ef6SLaurent Vivier break; 60858908ef6SLaurent Vivier case EXCP_SC: 60958908ef6SLaurent Vivier if (do_store_exclusive(env)) { 61058908ef6SLaurent Vivier info.si_signo = TARGET_SIGSEGV; 61158908ef6SLaurent Vivier info.si_errno = 0; 61258908ef6SLaurent Vivier info.si_code = TARGET_SEGV_MAPERR; 61358908ef6SLaurent Vivier info._sifields._sigfault._addr = env->active_tc.PC; 61458908ef6SLaurent Vivier queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); 61558908ef6SLaurent Vivier } 61658908ef6SLaurent Vivier break; 61758908ef6SLaurent Vivier case EXCP_DSPDIS: 61858908ef6SLaurent Vivier info.si_signo = TARGET_SIGILL; 61958908ef6SLaurent Vivier info.si_errno = 0; 62058908ef6SLaurent Vivier info.si_code = TARGET_ILL_ILLOPC; 62158908ef6SLaurent Vivier queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); 62258908ef6SLaurent Vivier break; 62358908ef6SLaurent Vivier /* The code below was inspired by the MIPS Linux kernel trap 62458908ef6SLaurent Vivier * handling code in arch/mips/kernel/traps.c. 62558908ef6SLaurent Vivier */ 62658908ef6SLaurent Vivier case EXCP_BREAK: 62758908ef6SLaurent Vivier { 62858908ef6SLaurent Vivier abi_ulong trap_instr; 62958908ef6SLaurent Vivier unsigned int code; 63058908ef6SLaurent Vivier 63158908ef6SLaurent Vivier if (env->hflags & MIPS_HFLAG_M16) { 63258908ef6SLaurent Vivier if (env->insn_flags & ASE_MICROMIPS) { 63358908ef6SLaurent Vivier /* microMIPS mode */ 63458908ef6SLaurent Vivier ret = get_user_u16(trap_instr, env->active_tc.PC); 63558908ef6SLaurent Vivier if (ret != 0) { 63658908ef6SLaurent Vivier goto error; 63758908ef6SLaurent Vivier } 63858908ef6SLaurent Vivier 63958908ef6SLaurent Vivier if ((trap_instr >> 10) == 0x11) { 64058908ef6SLaurent Vivier /* 16-bit instruction */ 64158908ef6SLaurent Vivier code = trap_instr & 0xf; 64258908ef6SLaurent Vivier } else { 64358908ef6SLaurent Vivier /* 32-bit instruction */ 64458908ef6SLaurent Vivier abi_ulong instr_lo; 64558908ef6SLaurent Vivier 64658908ef6SLaurent Vivier ret = get_user_u16(instr_lo, 64758908ef6SLaurent Vivier env->active_tc.PC + 2); 64858908ef6SLaurent Vivier if (ret != 0) { 64958908ef6SLaurent Vivier goto error; 65058908ef6SLaurent Vivier } 65158908ef6SLaurent Vivier trap_instr = (trap_instr << 16) | instr_lo; 65258908ef6SLaurent Vivier code = ((trap_instr >> 6) & ((1 << 20) - 1)); 65358908ef6SLaurent Vivier /* Unfortunately, microMIPS also suffers from 65458908ef6SLaurent Vivier the old assembler bug... */ 65558908ef6SLaurent Vivier if (code >= (1 << 10)) { 65658908ef6SLaurent Vivier code >>= 10; 65758908ef6SLaurent Vivier } 65858908ef6SLaurent Vivier } 65958908ef6SLaurent Vivier } else { 66058908ef6SLaurent Vivier /* MIPS16e mode */ 66158908ef6SLaurent Vivier ret = get_user_u16(trap_instr, env->active_tc.PC); 66258908ef6SLaurent Vivier if (ret != 0) { 66358908ef6SLaurent Vivier goto error; 66458908ef6SLaurent Vivier } 66558908ef6SLaurent Vivier code = (trap_instr >> 6) & 0x3f; 66658908ef6SLaurent Vivier } 66758908ef6SLaurent Vivier } else { 66858908ef6SLaurent Vivier ret = get_user_u32(trap_instr, env->active_tc.PC); 66958908ef6SLaurent Vivier if (ret != 0) { 67058908ef6SLaurent Vivier goto error; 67158908ef6SLaurent Vivier } 67258908ef6SLaurent Vivier 67358908ef6SLaurent Vivier /* As described in the original Linux kernel code, the 67458908ef6SLaurent Vivier * below checks on 'code' are to work around an old 67558908ef6SLaurent Vivier * assembly bug. 67658908ef6SLaurent Vivier */ 67758908ef6SLaurent Vivier code = ((trap_instr >> 6) & ((1 << 20) - 1)); 67858908ef6SLaurent Vivier if (code >= (1 << 10)) { 67958908ef6SLaurent Vivier code >>= 10; 68058908ef6SLaurent Vivier } 68158908ef6SLaurent Vivier } 68258908ef6SLaurent Vivier 68358908ef6SLaurent Vivier if (do_break(env, &info, code) != 0) { 68458908ef6SLaurent Vivier goto error; 68558908ef6SLaurent Vivier } 68658908ef6SLaurent Vivier } 68758908ef6SLaurent Vivier break; 68858908ef6SLaurent Vivier case EXCP_TRAP: 68958908ef6SLaurent Vivier { 69058908ef6SLaurent Vivier abi_ulong trap_instr; 69158908ef6SLaurent Vivier unsigned int code = 0; 69258908ef6SLaurent Vivier 69358908ef6SLaurent Vivier if (env->hflags & MIPS_HFLAG_M16) { 69458908ef6SLaurent Vivier /* microMIPS mode */ 69558908ef6SLaurent Vivier abi_ulong instr[2]; 69658908ef6SLaurent Vivier 69758908ef6SLaurent Vivier ret = get_user_u16(instr[0], env->active_tc.PC) || 69858908ef6SLaurent Vivier get_user_u16(instr[1], env->active_tc.PC + 2); 69958908ef6SLaurent Vivier 70058908ef6SLaurent Vivier trap_instr = (instr[0] << 16) | instr[1]; 70158908ef6SLaurent Vivier } else { 70258908ef6SLaurent Vivier ret = get_user_u32(trap_instr, env->active_tc.PC); 70358908ef6SLaurent Vivier } 70458908ef6SLaurent Vivier 70558908ef6SLaurent Vivier if (ret != 0) { 70658908ef6SLaurent Vivier goto error; 70758908ef6SLaurent Vivier } 70858908ef6SLaurent Vivier 70958908ef6SLaurent Vivier /* The immediate versions don't provide a code. */ 71058908ef6SLaurent Vivier if (!(trap_instr & 0xFC000000)) { 71158908ef6SLaurent Vivier if (env->hflags & MIPS_HFLAG_M16) { 71258908ef6SLaurent Vivier /* microMIPS mode */ 71358908ef6SLaurent Vivier code = ((trap_instr >> 12) & ((1 << 4) - 1)); 71458908ef6SLaurent Vivier } else { 71558908ef6SLaurent Vivier code = ((trap_instr >> 6) & ((1 << 10) - 1)); 71658908ef6SLaurent Vivier } 71758908ef6SLaurent Vivier } 71858908ef6SLaurent Vivier 71958908ef6SLaurent Vivier if (do_break(env, &info, code) != 0) { 72058908ef6SLaurent Vivier goto error; 72158908ef6SLaurent Vivier } 72258908ef6SLaurent Vivier } 72358908ef6SLaurent Vivier break; 72458908ef6SLaurent Vivier case EXCP_ATOMIC: 72558908ef6SLaurent Vivier cpu_exec_step_atomic(cs); 72658908ef6SLaurent Vivier break; 72758908ef6SLaurent Vivier default: 72858908ef6SLaurent Vivier error: 72958908ef6SLaurent Vivier EXCP_DUMP(env, "qemu: unhandled CPU exception 0x%x - aborting\n", trapnr); 73058908ef6SLaurent Vivier abort(); 73158908ef6SLaurent Vivier } 73258908ef6SLaurent Vivier process_pending_signals(env); 73358908ef6SLaurent Vivier } 73458908ef6SLaurent Vivier } 735cd71c089SLaurent Vivier 736cd71c089SLaurent Vivier void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs) 737cd71c089SLaurent Vivier { 73858908ef6SLaurent Vivier CPUState *cpu = ENV_GET_CPU(env); 73958908ef6SLaurent Vivier TaskState *ts = cpu->opaque; 74058908ef6SLaurent Vivier struct image_info *info = ts->info; 74158908ef6SLaurent Vivier int i; 74258908ef6SLaurent Vivier 743*0c1bbedcSStefan Markovic struct mode_req { 744*0c1bbedcSStefan Markovic bool single; 745*0c1bbedcSStefan Markovic bool soft; 746*0c1bbedcSStefan Markovic bool fr1; 747*0c1bbedcSStefan Markovic bool frdefault; 748*0c1bbedcSStefan Markovic bool fre; 749*0c1bbedcSStefan Markovic }; 750*0c1bbedcSStefan Markovic 751*0c1bbedcSStefan Markovic static const struct mode_req fpu_reqs[] = { 752*0c1bbedcSStefan Markovic [MIPS_ABI_FP_ANY] = { true, true, true, true, true }, 753*0c1bbedcSStefan Markovic [MIPS_ABI_FP_DOUBLE] = { false, false, false, true, true }, 754*0c1bbedcSStefan Markovic [MIPS_ABI_FP_SINGLE] = { true, false, false, false, false }, 755*0c1bbedcSStefan Markovic [MIPS_ABI_FP_SOFT] = { false, true, false, false, false }, 756*0c1bbedcSStefan Markovic [MIPS_ABI_FP_OLD_64] = { false, false, false, false, false }, 757*0c1bbedcSStefan Markovic [MIPS_ABI_FP_XX] = { false, false, true, true, true }, 758*0c1bbedcSStefan Markovic [MIPS_ABI_FP_64] = { false, false, true, false, false }, 759*0c1bbedcSStefan Markovic [MIPS_ABI_FP_64A] = { false, false, true, false, true } 760*0c1bbedcSStefan Markovic }; 761*0c1bbedcSStefan Markovic 762*0c1bbedcSStefan Markovic /* 763*0c1bbedcSStefan Markovic * Mode requirements when .MIPS.abiflags is not present in the ELF. 764*0c1bbedcSStefan Markovic * Not present means that everything is acceptable except FR1. 765*0c1bbedcSStefan Markovic */ 766*0c1bbedcSStefan Markovic static struct mode_req none_req = { true, true, false, true, true }; 767*0c1bbedcSStefan Markovic 768*0c1bbedcSStefan Markovic struct mode_req prog_req; 769*0c1bbedcSStefan Markovic struct mode_req interp_req; 770*0c1bbedcSStefan Markovic 77158908ef6SLaurent Vivier for(i = 0; i < 32; i++) { 77258908ef6SLaurent Vivier env->active_tc.gpr[i] = regs->regs[i]; 77358908ef6SLaurent Vivier } 77458908ef6SLaurent Vivier env->active_tc.PC = regs->cp0_epc & ~(target_ulong)1; 77558908ef6SLaurent Vivier if (regs->cp0_epc & 1) { 77658908ef6SLaurent Vivier env->hflags |= MIPS_HFLAG_M16; 77758908ef6SLaurent Vivier } 778*0c1bbedcSStefan Markovic 779*0c1bbedcSStefan Markovic #ifdef TARGET_ABI_MIPSO32 780*0c1bbedcSStefan Markovic # define MAX_FP_ABI MIPS_ABI_FP_64A 781*0c1bbedcSStefan Markovic #else 782*0c1bbedcSStefan Markovic # define MAX_FP_ABI MIPS_ABI_FP_SOFT 783*0c1bbedcSStefan Markovic #endif 784*0c1bbedcSStefan Markovic if ((info->fp_abi > MAX_FP_ABI && info->fp_abi != MIPS_ABI_FP_UNKNOWN) 785*0c1bbedcSStefan Markovic || (info->interp_fp_abi > MAX_FP_ABI && 786*0c1bbedcSStefan Markovic info->interp_fp_abi != MIPS_ABI_FP_UNKNOWN)) { 787*0c1bbedcSStefan Markovic fprintf(stderr, "qemu: Unexpected FPU mode\n"); 788*0c1bbedcSStefan Markovic exit(1); 789*0c1bbedcSStefan Markovic } 790*0c1bbedcSStefan Markovic 791*0c1bbedcSStefan Markovic prog_req = (info->fp_abi == MIPS_ABI_FP_UNKNOWN) ? none_req 792*0c1bbedcSStefan Markovic : fpu_reqs[info->fp_abi]; 793*0c1bbedcSStefan Markovic interp_req = (info->interp_fp_abi == MIPS_ABI_FP_UNKNOWN) ? none_req 794*0c1bbedcSStefan Markovic : fpu_reqs[info->interp_fp_abi]; 795*0c1bbedcSStefan Markovic 796*0c1bbedcSStefan Markovic prog_req.single &= interp_req.single; 797*0c1bbedcSStefan Markovic prog_req.soft &= interp_req.soft; 798*0c1bbedcSStefan Markovic prog_req.fr1 &= interp_req.fr1; 799*0c1bbedcSStefan Markovic prog_req.frdefault &= interp_req.frdefault; 800*0c1bbedcSStefan Markovic prog_req.fre &= interp_req.fre; 801*0c1bbedcSStefan Markovic 802*0c1bbedcSStefan Markovic bool cpu_has_mips_r2_r6 = env->insn_flags & ISA_MIPS32R2 || 803*0c1bbedcSStefan Markovic env->insn_flags & ISA_MIPS64R2 || 804*0c1bbedcSStefan Markovic env->insn_flags & ISA_MIPS32R6 || 805*0c1bbedcSStefan Markovic env->insn_flags & ISA_MIPS64R6; 806*0c1bbedcSStefan Markovic 807*0c1bbedcSStefan Markovic if (prog_req.fre && !prog_req.frdefault && !prog_req.fr1) { 808*0c1bbedcSStefan Markovic env->CP0_Config5 |= (1 << CP0C5_FRE); 809*0c1bbedcSStefan Markovic if (env->active_fpu.fcr0 & (1 << FCR0_FREP)) { 810*0c1bbedcSStefan Markovic env->hflags |= MIPS_HFLAG_FRE; 811*0c1bbedcSStefan Markovic } 812*0c1bbedcSStefan Markovic } else if ((prog_req.fr1 && prog_req.frdefault) || 813*0c1bbedcSStefan Markovic (prog_req.single && !prog_req.frdefault)) { 814*0c1bbedcSStefan Markovic if ((env->active_fpu.fcr0 & (1 << FCR0_F64) 815*0c1bbedcSStefan Markovic && cpu_has_mips_r2_r6) || prog_req.fr1) { 816*0c1bbedcSStefan Markovic env->CP0_Status |= (1 << CP0St_FR); 817*0c1bbedcSStefan Markovic env->hflags |= MIPS_HFLAG_F64; 818*0c1bbedcSStefan Markovic } 819*0c1bbedcSStefan Markovic } else if (!prog_req.fre && !prog_req.frdefault && 820*0c1bbedcSStefan Markovic !prog_req.fr1 && !prog_req.single && !prog_req.soft) { 821*0c1bbedcSStefan Markovic fprintf(stderr, "qemu: Can't find a matching FPU mode\n"); 822*0c1bbedcSStefan Markovic exit(1); 823*0c1bbedcSStefan Markovic } 824*0c1bbedcSStefan Markovic 825722ac96cSAleksandar Markovic if (env->insn_flags & ISA_NANOMIPS32) { 826722ac96cSAleksandar Markovic return; 827722ac96cSAleksandar Markovic } 82858908ef6SLaurent Vivier if (((info->elf_flags & EF_MIPS_NAN2008) != 0) != 82958908ef6SLaurent Vivier ((env->active_fpu.fcr31 & (1 << FCR31_NAN2008)) != 0)) { 83058908ef6SLaurent Vivier if ((env->active_fpu.fcr31_rw_bitmask & 83158908ef6SLaurent Vivier (1 << FCR31_NAN2008)) == 0) { 83258908ef6SLaurent Vivier fprintf(stderr, "ELF binary's NaN mode not supported by CPU\n"); 83358908ef6SLaurent Vivier exit(1); 83458908ef6SLaurent Vivier } 83558908ef6SLaurent Vivier if ((info->elf_flags & EF_MIPS_NAN2008) != 0) { 83658908ef6SLaurent Vivier env->active_fpu.fcr31 |= (1 << FCR31_NAN2008); 83758908ef6SLaurent Vivier } else { 83858908ef6SLaurent Vivier env->active_fpu.fcr31 &= ~(1 << FCR31_NAN2008); 83958908ef6SLaurent Vivier } 84058908ef6SLaurent Vivier restore_snan_bit_mode(env); 84158908ef6SLaurent Vivier } 842cd71c089SLaurent Vivier } 843