main.c

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        case POWERPC_EXCP_IFTLB:    /* Instruction fetch TLB error           */
            cpu_abort(env, "Instruction fetch TLB exception "
                      "while in user-mode. Aborting");
            break;
        case POWERPC_EXCP_DLTLB:    /* Data load TLB miss                    */
            cpu_abort(env, "Data load TLB exception while in user-mode. "
                      "Aborting");
            break;
        case POWERPC_EXCP_DSTLB:    /* Data store TLB miss                   */
            cpu_abort(env, "Data store TLB exception while in user-mode. "
                      "Aborting");
            break;
        case POWERPC_EXCP_FPA:      /* Floating-point assist exception       */
            cpu_abort(env, "Floating-point assist exception not handled\n");
            break;
        case POWERPC_EXCP_IABR:     /* Instruction address breakpoint        */
            cpu_abort(env, "Instruction address breakpoint exception "
                      "not handled\n");
            break;
        case POWERPC_EXCP_SMI:      /* System management interrupt           */
            cpu_abort(env, "System management interrupt while in user mode. "
                      "Aborting\n");
            break;
        case POWERPC_EXCP_THERM:    /* Thermal interrupt                     */
            cpu_abort(env, "Thermal interrupt interrupt while in user mode. "
                      "Aborting\n");
            break;
        case POWERPC_EXCP_PERFM:   /* Embedded performance monitor IRQ      */
            cpu_abort(env, "Performance monitor exception not handled\n");
            break;
        case POWERPC_EXCP_VPUA:     /* Vector assist exception               */
            cpu_abort(env, "Vector assist exception not handled\n");
            break;
        case POWERPC_EXCP_SOFTP:    /* Soft patch exception                  */
            cpu_abort(env, "Soft patch exception not handled\n");
            break;
        case POWERPC_EXCP_MAINT:    /* Maintenance exception                 */
            cpu_abort(env, "Maintenance exception while in user mode. "
                      "Aborting\n");
            break;
        case POWERPC_EXCP_STOP:     /* stop translation                      */
            /* We did invalidate the instruction cache. Go on */
            break;
        case POWERPC_EXCP_BRANCH:   /* branch instruction:                   */
            /* We just stopped because of a branch. Go on */
            break;
        case POWERPC_EXCP_SYSCALL_USER:
            /* system call in user-mode emulation */
            /* WARNING:
             * PPC ABI uses overflow flag in cr0 to signal an error
             * in syscalls.
             */
#if 0
            printf("syscall %d 0x%08x 0x%08x 0x%08x 0x%08x\n", env->gpr[0],
                   env->gpr[3], env->gpr[4], env->gpr[5], env->gpr[6]);
#endif
            env->crf[0] &= ~0x1;
            ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4],
                             env->gpr[5], env->gpr[6], env->gpr[7],
                             env->gpr[8]);
            if (ret > (uint32_t)(-515)) {
                env->crf[0] |= 0x1;
                ret = -ret;
            }
            env->gpr[3] = ret;
#if 0
            printf("syscall returned 0x%08x (%d)\n", ret, ret);
#endif
            break;
        case EXCP_INTERRUPT:
            /* just indicate that signals should be handled asap */
            break;
        default:
            cpu_abort(env, "Unknown exception 0x%d. Aborting\n", trapnr);
            break;
        }
        process_pending_signals(env);
    }
}
#endif

#ifdef TARGET_MIPS

#define MIPS_SYS(name, args) args,

static const uint8_t mips_syscall_args[] = {
	MIPS_SYS(sys_syscall	, 0)	/* 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_oldumount	, 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_umount	, 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	, 0)	/* 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	, 4)
	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	, 0)
	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	, 2)
	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)