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author | pbrook <pbrook@c046a42c-6fe2-441c-8c8c-71466251a162> | 2006-10-22 00:18:54 +0000 |
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committer | pbrook <pbrook@c046a42c-6fe2-441c-8c8c-71466251a162> | 2006-10-22 00:18:54 +0000 |
commit | e6e5906b6e0a81718066ca43aef57515026c6624 (patch) | |
tree | 79996f66ed5a2e4f37783a114cb45f6913204486 /linux-user/m68k | |
parent | 223b8a40d13550ebc08216bd96d1f615597e0554 (diff) | |
download | qemu-e6e5906b6e0a81718066ca43aef57515026c6624.tar.gz qemu-e6e5906b6e0a81718066ca43aef57515026c6624.tar.bz2 qemu-e6e5906b6e0a81718066ca43aef57515026c6624.zip |
ColdFire target.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2196 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'linux-user/m68k')
-rw-r--r-- | linux-user/m68k/syscall.h | 22 | ||||
-rw-r--r-- | linux-user/m68k/syscall_nr.h | 283 | ||||
-rw-r--r-- | linux-user/m68k/termbits.h | 215 |
3 files changed, 520 insertions, 0 deletions
diff --git a/linux-user/m68k/syscall.h b/linux-user/m68k/syscall.h new file mode 100644 index 0000000000..c225567d2a --- /dev/null +++ b/linux-user/m68k/syscall.h @@ -0,0 +1,22 @@ + +/* this struct defines the way the registers are stored on the + stack during a system call. */ + +struct target_pt_regs { + target_long d1, d2, d3, d4, d5, d6, d7; + target_long a0, a1, a2, a3, a4, a5, a6; + target_ulong d0; + target_ulong usp; + target_ulong orig_d0; + int16_t stkadj; + uint16_t sr; + target_ulong pc; + uint16_t fntvex; + uint16_t __fill; +}; + + +#define UNAME_MACHINE "m68k" + +void do_m68k_semihosting(CPUState *, int); +void do_m68k_simcall(CPUState *, int); diff --git a/linux-user/m68k/syscall_nr.h b/linux-user/m68k/syscall_nr.h new file mode 100644 index 0000000000..a39535f5f3 --- /dev/null +++ b/linux-user/m68k/syscall_nr.h @@ -0,0 +1,283 @@ +/* + * This file contains the system call numbers. + */ + +#define TARGET_NR_exit 1 +#define TARGET_NR_fork 2 +#define TARGET_NR_read 3 +#define TARGET_NR_write 4 +#define TARGET_NR_open 5 +#define TARGET_NR_close 6 +#define TARGET_NR_waitpid 7 +#define TARGET_NR_creat 8 +#define TARGET_NR_link 9 +#define TARGET_NR_unlink 10 +#define TARGET_NR_execve 11 +#define TARGET_NR_chdir 12 +#define TARGET_NR_time 13 +#define TARGET_NR_mknod 14 +#define TARGET_NR_chmod 15 +#define TARGET_NR_chown 16 +#define TARGET_NR_break 17 +#define TARGET_NR_oldstat 18 +#define TARGET_NR_lseek 19 +#define TARGET_NR_getpid 20 +#define TARGET_NR_mount 21 +#define TARGET_NR_umount 22 +#define TARGET_NR_setuid 23 +#define TARGET_NR_getuid 24 +#define TARGET_NR_stime 25 +#define TARGET_NR_ptrace 26 +#define TARGET_NR_alarm 27 +#define TARGET_NR_oldfstat 28 +#define TARGET_NR_pause 29 +#define TARGET_NR_utime 30 +#define TARGET_NR_stty 31 +#define TARGET_NR_gtty 32 +#define TARGET_NR_access 33 +#define TARGET_NR_nice 34 +#define TARGET_NR_ftime 35 +#define TARGET_NR_sync 36 +#define TARGET_NR_kill 37 +#define TARGET_NR_rename 38 +#define TARGET_NR_mkdir 39 +#define TARGET_NR_rmdir 40 +#define TARGET_NR_dup 41 +#define TARGET_NR_pipe 42 +#define TARGET_NR_times 43 +#define TARGET_NR_prof 44 +#define TARGET_NR_brk 45 +#define TARGET_NR_setgid 46 +#define TARGET_NR_getgid 47 +#define TARGET_NR_signal 48 +#define TARGET_NR_geteuid 49 +#define TARGET_NR_getegid 50 +#define TARGET_NR_acct 51 +#define TARGET_NR_umount2 52 +#define TARGET_NR_lock 53 +#define TARGET_NR_ioctl 54 +#define TARGET_NR_fcntl 55 +#define TARGET_NR_mpx 56 +#define TARGET_NR_setpgid 57 +#define TARGET_NR_ulimit 58 +#define TARGET_NR_oldolduname 59 +#define TARGET_NR_umask 60 +#define TARGET_NR_chroot 61 +#define TARGET_NR_ustat 62 +#define TARGET_NR_dup2 63 +#define TARGET_NR_getppid 64 +#define TARGET_NR_getpgrp 65 +#define TARGET_NR_setsid 66 +#define TARGET_NR_sigaction 67 +#define TARGET_NR_sgetmask 68 +#define TARGET_NR_ssetmask 69 +#define TARGET_NR_setreuid 70 +#define TARGET_NR_setregid 71 +#define TARGET_NR_sigsuspend 72 +#define TARGET_NR_sigpending 73 +#define TARGET_NR_sethostname 74 +#define TARGET_NR_setrlimit 75 +#define TARGET_NR_getrlimit 76 +#define TARGET_NR_getrusage 77 +#define TARGET_NR_gettimeofday 78 +#define TARGET_NR_settimeofday 79 +#define TARGET_NR_getgroups 80 +#define TARGET_NR_setgroups 81 +#define TARGET_NR_select 82 +#define TARGET_NR_symlink 83 +#define TARGET_NR_oldlstat 84 +#define TARGET_NR_readlink 85 +#define TARGET_NR_uselib 86 +#define TARGET_NR_swapon 87 +#define TARGET_NR_reboot 88 +#define TARGET_NR_readdir 89 +#define TARGET_NR_mmap 90 +#define TARGET_NR_munmap 91 +#define TARGET_NR_truncate 92 +#define TARGET_NR_ftruncate 93 +#define TARGET_NR_fchmod 94 +#define TARGET_NR_fchown 95 +#define TARGET_NR_getpriority 96 +#define TARGET_NR_setpriority 97 +#define TARGET_NR_profil 98 +#define TARGET_NR_statfs 99 +#define TARGET_NR_fstatfs 100 +#define TARGET_NR_ioperm 101 +#define TARGET_NR_socketcall 102 +#define TARGET_NR_syslog 103 +#define TARGET_NR_setitimer 104 +#define TARGET_NR_getitimer 105 +#define TARGET_NR_stat 106 +#define TARGET_NR_lstat 107 +#define TARGET_NR_fstat 108 +#define TARGET_NR_olduname 109 +//#define TARGET_NR_iopl /* 110 */ not supported +#define TARGET_NR_vhangup 111 +//#define TARGET_NR_idle /* 112 */ Obsolete +//#define TARGET_NR_vm86 /* 113 */ not supported +#define TARGET_NR_wait4 114 +#define TARGET_NR_swapoff 115 +#define TARGET_NR_sysinfo 116 +#define TARGET_NR_ipc 117 +#define TARGET_NR_fsync 118 +#define TARGET_NR_sigreturn 119 +#define TARGET_NR_clone 120 +#define TARGET_NR_setdomainname 121 +#define TARGET_NR_uname 122 +#define TARGET_NR_cacheflush 123 +#define TARGET_NR_adjtimex 124 +#define TARGET_NR_mprotect 125 +#define TARGET_NR_sigprocmask 126 +#define TARGET_NR_create_module 127 +#define TARGET_NR_init_module 128 +#define TARGET_NR_delete_module 129 +#define TARGET_NR_get_kernel_syms 130 +#define TARGET_NR_quotactl 131 +#define TARGET_NR_getpgid 132 +#define TARGET_NR_fchdir 133 +#define TARGET_NR_bdflush 134 +#define TARGET_NR_sysfs 135 +#define TARGET_NR_personality 136 +#define TARGET_NR_afs_syscall 137 /* Syscall for Andrew File System */ +#define TARGET_NR_setfsuid 138 +#define TARGET_NR_setfsgid 139 +#define TARGET_NR__llseek 140 +#define TARGET_NR_getdents 141 +#define TARGET_NR__newselect 142 +#define TARGET_NR_flock 143 +#define TARGET_NR_msync 144 +#define TARGET_NR_readv 145 +#define TARGET_NR_writev 146 +#define TARGET_NR_getsid 147 +#define TARGET_NR_fdatasync 148 +#define TARGET_NR__sysctl 149 +#define TARGET_NR_mlock 150 +#define TARGET_NR_munlock 151 +#define TARGET_NR_mlockall 152 +#define TARGET_NR_munlockall 153 +#define TARGET_NR_sched_setparam 154 +#define TARGET_NR_sched_getparam 155 +#define TARGET_NR_sched_setscheduler 156 +#define TARGET_NR_sched_getscheduler 157 +#define TARGET_NR_sched_yield 158 +#define TARGET_NR_sched_get_priority_max 159 +#define TARGET_NR_sched_get_priority_min 160 +#define TARGET_NR_sched_rr_get_interval 161 +#define TARGET_NR_nanosleep 162 +#define TARGET_NR_mremap 163 +#define TARGET_NR_setresuid 164 +#define TARGET_NR_getresuid 165 +#define TARGET_NR_getpagesize 166 +#define TARGET_NR_query_module 167 +#define TARGET_NR_poll 168 +#define TARGET_NR_nfsservctl 169 +#define TARGET_NR_setresgid 170 +#define TARGET_NR_getresgid 171 +#define TARGET_NR_prctl 172 +#define TARGET_NR_rt_sigreturn 173 +#define TARGET_NR_rt_sigaction 174 +#define TARGET_NR_rt_sigprocmask 175 +#define TARGET_NR_rt_sigpending 176 +#define TARGET_NR_rt_sigtimedwait 177 +#define TARGET_NR_rt_sigqueueinfo 178 +#define TARGET_NR_rt_sigsuspend 179 +#define TARGET_NR_pread64 180 +#define TARGET_NR_pwrite64 181 +#define TARGET_NR_lchown 182 +#define TARGET_NR_getcwd 183 +#define TARGET_NR_capget 184 +#define TARGET_NR_capset 185 +#define TARGET_NR_sigaltstack 186 +#define TARGET_NR_sendfile 187 +#define TARGET_NR_getpmsg 188 /* some people actually want streams */ +#define TARGET_NR_putpmsg 189 /* some people actually want streams */ +#define TARGET_NR_vfork 190 +#define TARGET_NR_ugetrlimit 191 +#define TARGET_NR_mmap2 192 +#define TARGET_NR_truncate64 193 +#define TARGET_NR_ftruncate64 194 +#define TARGET_NR_stat64 195 +#define TARGET_NR_lstat64 196 +#define TARGET_NR_fstat64 197 +#define TARGET_NR_chown32 198 +#define TARGET_NR_getuid32 199 +#define TARGET_NR_getgid32 200 +#define TARGET_NR_geteuid32 201 +#define TARGET_NR_getegid32 202 +#define TARGET_NR_setreuid32 203 +#define TARGET_NR_setregid32 204 +#define TARGET_NR_getgroups32 205 +#define TARGET_NR_setgroups32 206 +#define TARGET_NR_fchown32 207 +#define TARGET_NR_setresuid32 208 +#define TARGET_NR_getresuid32 209 +#define TARGET_NR_setresgid32 210 +#define TARGET_NR_getresgid32 211 +#define TARGET_NR_lchown32 212 +#define TARGET_NR_setuid32 213 +#define TARGET_NR_setgid32 214 +#define TARGET_NR_setfsuid32 215 +#define TARGET_NR_setfsgid32 216 +#define TARGET_NR_pivot_root 217 +#define TARGET_NR_getdents64 220 +#define TARGET_NR_gettid 221 +#define TARGET_NR_tkill 222 +#define TARGET_NR_setxattr 223 +#define TARGET_NR_lsetxattr 224 +#define TARGET_NR_fsetxattr 225 +#define TARGET_NR_getxattr 226 +#define TARGET_NR_lgetxattr 227 +#define TARGET_NR_fgetxattr 228 +#define TARGET_NR_listxattr 229 +#define TARGET_NR_llistxattr 230 +#define TARGET_NR_flistxattr 231 +#define TARGET_NR_removexattr 232 +#define TARGET_NR_lremovexattr 233 +#define TARGET_NR_fremovexattr 234 +#define TARGET_NR_futex 235 +#define TARGET_NR_sendfile64 236 +#define TARGET_NR_mincore 237 +#define TARGET_NR_madvise 238 +#define TARGET_NR_fcntl64 239 +#define TARGET_NR_readahead 240 +#define TARGET_NR_io_setup 241 +#define TARGET_NR_io_destroy 242 +#define TARGET_NR_io_getevents 243 +#define TARGET_NR_io_submit 244 +#define TARGET_NR_io_cancel 245 +#define TARGET_NR_fadvise64 246 +#define TARGET_NR_exit_group 247 +#define TARGET_NR_lookup_dcookie 248 +#define TARGET_NR_epoll_create 249 +#define TARGET_NR_epoll_ctl 250 +#define TARGET_NR_epoll_wait 251 +#define TARGET_NR_remap_file_pages 252 +#define TARGET_NR_set_tid_address 253 +#define TARGET_NR_timer_create 254 +#define TARGET_NR_timer_settime 255 +#define TARGET_NR_timer_gettime 256 +#define TARGET_NR_timer_getoverrun 257 +#define TARGET_NR_timer_delete 258 +#define TARGET_NR_clock_settime 259 +#define TARGET_NR_clock_gettime 260 +#define TARGET_NR_clock_getres 261 +#define TARGET_NR_clock_nanosleep 262 +#define TARGET_NR_statfs64 263 +#define TARGET_NR_fstatfs64 264 +#define TARGET_NR_tgkill 265 +#define TARGET_NR_utimes 266 +#define TARGET_NR_fadvise64_64 267 +#define TARGET_NR_mbind 268 +#define TARGET_NR_get_mempolicy 269 +#define TARGET_NR_set_mempolicy 270 +#define TARGET_NR_mq_open 271 +#define TARGET_NR_mq_unlink 272 +#define TARGET_NR_mq_timedsend 273 +#define TARGET_NR_mq_timedreceive 274 +#define TARGET_NR_mq_notify 275 +#define TARGET_NR_mq_getsetattr 276 +#define TARGET_NR_waitid 277 +#define TARGET_NR_vserver 278 +#define TARGET_NR_add_key 279 +#define TARGET_NR_request_key 280 +#define TARGET_NR_keyctl 281 diff --git a/linux-user/m68k/termbits.h b/linux-user/m68k/termbits.h new file mode 100644 index 0000000000..36ead08957 --- /dev/null +++ b/linux-user/m68k/termbits.h @@ -0,0 +1,215 @@ +/* from asm/termbits.h */ +/* NOTE: exactly the same as i386 */ + +#define TARGET_NCCS 19 + +struct target_termios { + unsigned int c_iflag; /* input mode flags */ + unsigned int c_oflag; /* output mode flags */ + unsigned int c_cflag; /* control mode flags */ + unsigned int c_lflag; /* local mode flags */ + unsigned char c_line; /* line discipline */ + unsigned char c_cc[TARGET_NCCS]; /* control characters */ +}; + +/* c_iflag bits */ +#define TARGET_IGNBRK 0000001 +#define TARGET_BRKINT 0000002 +#define TARGET_IGNPAR 0000004 +#define TARGET_PARMRK 0000010 +#define TARGET_INPCK 0000020 +#define TARGET_ISTRIP 0000040 +#define TARGET_INLCR 0000100 +#define TARGET_IGNCR 0000200 +#define TARGET_ICRNL 0000400 +#define TARGET_IUCLC 0001000 +#define TARGET_IXON 0002000 +#define TARGET_IXANY 0004000 +#define TARGET_IXOFF 0010000 +#define TARGET_IMAXBEL 0020000 + +/* c_oflag bits */ +#define TARGET_OPOST 0000001 +#define TARGET_OLCUC 0000002 +#define TARGET_ONLCR 0000004 +#define TARGET_OCRNL 0000010 +#define TARGET_ONOCR 0000020 +#define TARGET_ONLRET 0000040 +#define TARGET_OFILL 0000100 +#define TARGET_OFDEL 0000200 +#define TARGET_NLDLY 0000400 +#define TARGET_NL0 0000000 +#define TARGET_NL1 0000400 +#define TARGET_CRDLY 0003000 +#define TARGET_CR0 0000000 +#define TARGET_CR1 0001000 +#define TARGET_CR2 0002000 +#define TARGET_CR3 0003000 +#define TARGET_TABDLY 0014000 +#define TARGET_TAB0 0000000 +#define TARGET_TAB1 0004000 +#define TARGET_TAB2 0010000 +#define TARGET_TAB3 0014000 +#define TARGET_XTABS 0014000 +#define TARGET_BSDLY 0020000 +#define TARGET_BS0 0000000 +#define TARGET_BS1 0020000 +#define TARGET_VTDLY 0040000 +#define TARGET_VT0 0000000 +#define TARGET_VT1 0040000 +#define TARGET_FFDLY 0100000 +#define TARGET_FF0 0000000 +#define TARGET_FF1 0100000 + +/* c_cflag bit meaning */ +#define TARGET_CBAUD 0010017 +#define TARGET_B0 0000000 /* hang up */ +#define TARGET_B50 0000001 +#define TARGET_B75 0000002 +#define TARGET_B110 0000003 +#define TARGET_B134 0000004 +#define TARGET_B150 0000005 +#define TARGET_B200 0000006 +#define TARGET_B300 0000007 +#define TARGET_B600 0000010 +#define TARGET_B1200 0000011 +#define TARGET_B1800 0000012 +#define TARGET_B2400 0000013 +#define TARGET_B4800 0000014 +#define TARGET_B9600 0000015 +#define TARGET_B19200 0000016 +#define TARGET_B38400 0000017 +#define TARGET_EXTA B19200 +#define TARGET_EXTB B38400 +#define TARGET_CSIZE 0000060 +#define TARGET_CS5 0000000 +#define TARGET_CS6 0000020 +#define TARGET_CS7 0000040 +#define TARGET_CS8 0000060 +#define TARGET_CSTOPB 0000100 +#define TARGET_CREAD 0000200 +#define TARGET_PARENB 0000400 +#define TARGET_PARODD 0001000 +#define TARGET_HUPCL 0002000 +#define TARGET_CLOCAL 0004000 +#define TARGET_CBAUDEX 0010000 +#define TARGET_B57600 0010001 +#define TARGET_B115200 0010002 +#define TARGET_B230400 0010003 +#define TARGET_B460800 0010004 +#define TARGET_CIBAUD 002003600000 /* input baud rate (not used) */ +#define TARGET_CRTSCTS 020000000000 /* flow control */ + +/* c_lflag bits */ +#define TARGET_ISIG 0000001 +#define TARGET_ICANON 0000002 +#define TARGET_XCASE 0000004 +#define TARGET_ECHO 0000010 +#define TARGET_ECHOE 0000020 +#define TARGET_ECHOK 0000040 +#define TARGET_ECHONL 0000100 +#define TARGET_NOFLSH 0000200 +#define TARGET_TOSTOP 0000400 +#define TARGET_ECHOCTL 0001000 +#define TARGET_ECHOPRT 0002000 +#define TARGET_ECHOKE 0004000 +#define TARGET_FLUSHO 0010000 +#define TARGET_PENDIN 0040000 +#define TARGET_IEXTEN 0100000 + +/* c_cc character offsets */ +#define TARGET_VINTR 0 +#define TARGET_VQUIT 1 +#define TARGET_VERASE 2 +#define TARGET_VKILL 3 +#define TARGET_VEOF 4 +#define TARGET_VTIME 5 +#define TARGET_VMIN 6 +#define TARGET_VSWTC 7 +#define TARGET_VSTART 8 +#define TARGET_VSTOP 9 +#define TARGET_VSUSP 10 +#define TARGET_VEOL 11 +#define TARGET_VREPRINT 12 +#define TARGET_VDISCARD 13 +#define TARGET_VWERASE 14 +#define TARGET_VLNEXT 15 +#define TARGET_VEOL2 16 + +/* ioctls */ + +#define TARGET_TCGETS 0x5401 +#define TARGET_TCSETS 0x5402 +#define TARGET_TCSETSW 0x5403 +#define TARGET_TCSETSF 0x5404 +#define TARGET_TCGETA 0x5405 +#define TARGET_TCSETA 0x5406 +#define TARGET_TCSETAW 0x5407 +#define TARGET_TCSETAF 0x5408 +#define TARGET_TCSBRK 0x5409 +#define TARGET_TCXONC 0x540A +#define TARGET_TCFLSH 0x540B + +#define TARGET_TIOCEXCL 0x540C +#define TARGET_TIOCNXCL 0x540D +#define TARGET_TIOCSCTTY 0x540E +#define TARGET_TIOCGPGRP 0x540F +#define TARGET_TIOCSPGRP 0x5410 +#define TARGET_TIOCOUTQ 0x5411 +#define TARGET_TIOCSTI 0x5412 +#define TARGET_TIOCGWINSZ 0x5413 +#define TARGET_TIOCSWINSZ 0x5414 +#define TARGET_TIOCMGET 0x5415 +#define TARGET_TIOCMBIS 0x5416 +#define TARGET_TIOCMBIC 0x5417 +#define TARGET_TIOCMSET 0x5418 +#define TARGET_TIOCGSOFTCAR 0x5419 +#define TARGET_TIOCSSOFTCAR 0x541A +#define TARGET_FIONREAD 0x541B +#define TARGET_TIOCINQ TARGET_FIONREAD +#define TARGET_TIOCLINUX 0x541C +#define TARGET_TIOCCONS 0x541D +#define TARGET_TIOCGSERIAL 0x541E +#define TARGET_TIOCSSERIAL 0x541F +#define TARGET_TIOCPKT 0x5420 +#define TARGET_FIONBIO 0x5421 +#define TARGET_TIOCNOTTY 0x5422 +#define TARGET_TIOCSETD 0x5423 +#define TARGET_TIOCGETD 0x5424 +#define TARGET_TCSBRKP 0x5425 /* Needed for POSIX tcsendbreak() */ +#define TARGET_TIOCTTYGSTRUCT 0x5426 /* For debugging only */ +#define TARGET_TIOCSBRK 0x5427 /* BSD compatibility */ +#define TARGET_TIOCCBRK 0x5428 /* BSD compatibility */ +#define TARGET_TIOCGSID 0x5429 /* Return the session ID of FD */ +#define TARGET_TIOCGPTN TARGET_IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ +#define TARGET_TIOCSPTLCK TARGET_IOW('T',0x31, int) /* Lock/unlock Pty */ + +#define TARGET_FIONCLEX 0x5450 /* these numbers need to be adjusted. */ +#define TARGET_FIOCLEX 0x5451 +#define TARGET_FIOASYNC 0x5452 +#define TARGET_TIOCSERCONFIG 0x5453 +#define TARGET_TIOCSERGWILD 0x5454 +#define TARGET_TIOCSERSWILD 0x5455 +#define TARGET_TIOCGLCKTRMIOS 0x5456 +#define TARGET_TIOCSLCKTRMIOS 0x5457 +#define TARGET_TIOCSERGSTRUCT 0x5458 /* For debugging only */ +#define TARGET_TIOCSERGETLSR 0x5459 /* Get line status register */ +#define TARGET_TIOCSERGETMULTI 0x545A /* Get multiport config */ +#define TARGET_TIOCSERSETMULTI 0x545B /* Set multiport config */ + +#define TARGET_TIOCMIWAIT 0x545C /* wait for a change on serial input line(s) */ +#define TARGET_TIOCGICOUNT 0x545D /* read serial port inline interrupt counts */ +#define TARGET_TIOCGHAYESESP 0x545E /* Get Hayes ESP configuration */ +#define TARGET_TIOCSHAYESESP 0x545F /* Set Hayes ESP configuration */ + +/* Used for packet mode */ +#define TARGET_TIOCPKT_DATA 0 +#define TARGET_TIOCPKT_FLUSHREAD 1 +#define TARGET_TIOCPKT_FLUSHWRITE 2 +#define TARGET_TIOCPKT_STOP 4 +#define TARGET_TIOCPKT_START 8 +#define TARGET_TIOCPKT_NOSTOP 16 +#define TARGET_TIOCPKT_DOSTOP 32 + +#define TARGET_TIOCSER_TEMT 0x01 /* Transmitter physically empty */ + |