target/xtensa: add linux-user support
Import list of syscalls from the kernel source. Conditionalize code/data
that is only used with softmmu. Implement exception handlers. Implement
signal hander (only the core registers for now, no coprocessors or TIE).
Cc: Riku Voipio <riku.voipio@iki.fi>
Cc: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
diff --git a/linux-user/xtensa/termbits.h b/linux-user/xtensa/termbits.h
new file mode 100644
index 0000000..eed8286
--- /dev/null
+++ b/linux-user/xtensa/termbits.h
@@ -0,0 +1,328 @@
+/*
+ * include/asm-xtensa/termbits.h
+ *
+ * Copied from SH.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2001 - 2005 Tensilica Inc.
+ */
+
+#ifndef _XTENSA_TERMBITS_H
+#define _XTENSA_TERMBITS_H
+
+#include <linux/posix_types.h>
+
+typedef unsigned char cc_t;
+typedef unsigned int speed_t;
+typedef unsigned int tcflag_t;
+
+#define TARGET_NCCS 19
+struct target_termios {
+ tcflag_t c_iflag; /* input mode flags */
+ tcflag_t c_oflag; /* output mode flags */
+ tcflag_t c_cflag; /* control mode flags */
+ tcflag_t c_lflag; /* local mode flags */
+ cc_t c_line; /* line discipline */
+ cc_t c_cc[TARGET_NCCS]; /* control characters */
+};
+
+struct target_termios2 {
+ tcflag_t c_iflag; /* input mode flags */
+ tcflag_t c_oflag; /* output mode flags */
+ tcflag_t c_cflag; /* control mode flags */
+ tcflag_t c_lflag; /* local mode flags */
+ cc_t c_line; /* line discipline */
+ cc_t c_cc[TARGET_NCCS]; /* control characters */
+ speed_t c_ispeed; /* input speed */
+ speed_t c_ospeed; /* output speed */
+};
+
+struct target_ktermios {
+ tcflag_t c_iflag; /* input mode flags */
+ tcflag_t c_oflag; /* output mode flags */
+ tcflag_t c_cflag; /* control mode flags */
+ tcflag_t c_lflag; /* local mode flags */
+ cc_t c_line; /* line discipline */
+ cc_t c_cc[TARGET_NCCS]; /* control characters */
+ speed_t c_ispeed; /* input speed */
+ speed_t c_ospeed; /* output speed */
+};
+
+/* c_cc characters */
+
+#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
+
+/* 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
+#define TARGET_IUTF8 0040000
+
+/* 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_BOTHER 0010000
+#define TARGET_B57600 0010001
+#define TARGET_B115200 0010002
+#define TARGET_B230400 0010003
+#define TARGET_B460800 0010004
+#define TARGET_B500000 0010005
+#define TARGET_B576000 0010006
+#define TARGET_B921600 0010007
+#define TARGET_B1000000 0010010
+#define TARGET_B1152000 0010011
+#define TARGET_B1500000 0010012
+#define TARGET_B2000000 0010013
+#define TARGET_B2500000 0010014
+#define TARGET_B3000000 0010015
+#define TARGET_B3500000 0010016
+#define TARGET_B4000000 0010017
+#define TARGET_CIBAUD 002003600000 /* input baud rate */
+#define TARGET_CMSPAR 010000000000 /* mark or space (stick) parity */
+#define TARGET_CRTSCTS 020000000000 /* flow control */
+
+#define TARGET_IBSHIFT 16 /* Shift from CBAUD to CIBAUD */
+
+/* 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
+
+/* tcflow() and TCXONC use these */
+
+#define TARGET_TCOOFF 0
+#define TARGET_TCOON 1
+#define TARGET_TCIOFF 2
+#define TARGET_TCION 3
+
+/* tcflush() and TCFLSH use these */
+
+#define TARGET_TCIFLUSH 0
+#define TARGET_TCOFLUSH 1
+#define TARGET_TCIOFLUSH 2
+
+/* tcsetattr uses these */
+
+#define TARGET_TCSANOW 0
+#define TARGET_TCSADRAIN 1
+#define TARGET_TCSAFLUSH 2
+
+/* from arch/xtensa/include/uapi/asm/ioctls.h */
+
+#define TARGET_FIOCLEX _IO('f', 1)
+#define TARGET_FIONCLEX _IO('f', 2)
+#define TARGET_FIOASYNC _IOW('f', 125, int)
+#define TARGET_FIONBIO _IOW('f', 126, int)
+#define TARGET_FIONREAD _IOR('f', 127, int)
+#define TARGET_TIOCINQ FIONREAD
+#define TARGET_FIOQSIZE _IOR('f', 128, loff_t)
+
+#define TARGET_TCGETS 0x5401
+#define TARGET_TCSETS 0x5402
+#define TARGET_TCSETSW 0x5403
+#define TARGET_TCSETSF 0x5404
+
+#define TARGET_TCGETA 0x80127417 /* _IOR('t', 23, struct termio) */
+#define TARGET_TCSETA 0x40127418 /* _IOW('t', 24, struct termio) */
+#define TARGET_TCSETAW 0x40127419 /* _IOW('t', 25, struct termio) */
+#define TARGET_TCSETAF 0x4012741C /* _IOW('t', 28, struct termio) */
+
+#define TARGET_TCSBRK _IO('t', 29)
+#define TARGET_TCXONC _IO('t', 30)
+#define TARGET_TCFLSH _IO('t', 31)
+
+#define TARGET_TIOCSWINSZ 0x40087467 /* _IOW('t', 103, struct winsize) */
+#define TARGET_TIOCGWINSZ 0x80087468 /* _IOR('t', 104, struct winsize) */
+#define TARGET_TIOCSTART _IO('t', 110) /* start output, like ^Q */
+#define TARGET_TIOCSTOP _IO('t', 111) /* stop output, like ^S */
+#define TARGET_TIOCOUTQ _IOR('t', 115, int) /* output queue size */
+
+#define TARGET_TIOCSPGRP _IOW('t', 118, int)
+#define TARGET_TIOCGPGRP _IOR('t', 119, int)
+
+#define TARGET_TIOCEXCL _IO('T', 12)
+#define TARGET_TIOCNXCL _IO('T', 13)
+#define TARGET_TIOCSCTTY _IO('T', 14)
+
+#define TARGET_TIOCSTI _IOW('T', 18, char)
+#define TARGET_TIOCMGET _IOR('T', 21, unsigned int)
+#define TARGET_TIOCMBIS _IOW('T', 22, unsigned int)
+#define TARGET_TIOCMBIC _IOW('T', 23, unsigned int)
+#define TARGET_TIOCMSET _IOW('T', 24, unsigned int)
+# define TARGET_TIOCM_LE 0x001
+# define TARGET_TIOCM_DTR 0x002
+# define TARGET_TIOCM_RTS 0x004
+# define TARGET_TIOCM_ST 0x008
+# define TARGET_TIOCM_SR 0x010
+# define TARGET_TIOCM_CTS 0x020
+# define TARGET_TIOCM_CAR 0x040
+# define TARGET_TIOCM_RNG 0x080
+# define TARGET_TIOCM_DSR 0x100
+# define TARGET_TIOCM_CD TIOCM_CAR
+# define TARGET_TIOCM_RI TIOCM_RNG
+
+#define TARGET_TIOCGSOFTCAR _IOR('T', 25, unsigned int)
+#define TARGET_TIOCSSOFTCAR _IOW('T', 26, unsigned int)
+#define TARGET_TIOCLINUX _IOW('T', 28, char)
+#define TARGET_TIOCCONS _IO('T', 29)
+#define TARGET_TIOCGSERIAL 0x803C541E /*_IOR('T', 30, struct serial_struct)*/
+#define TARGET_TIOCSSERIAL 0x403C541F /*_IOW('T', 31, struct serial_struct)*/
+#define TARGET_TIOCPKT _IOW('T', 32, int)
+# 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_TIOCPKT_IOCTL 64
+
+
+#define TARGET_TIOCNOTTY _IO('T', 34)
+#define TARGET_TIOCSETD _IOW('T', 35, int)
+#define TARGET_TIOCGETD _IOR('T', 36, int)
+#define TARGET_TCSBRKP _IOW('T', 37, int) /* Needed for POSIX tcsendbreak()*/
+#define TARGET_TIOCSBRK _IO('T', 39) /* BSD compatibility */
+#define TARGET_TIOCCBRK _IO('T', 40) /* BSD compatibility */
+#define TARGET_TIOCGSID _IOR('T', 41, pid_t) /* Return the session ID of FD*/
+#define TARGET_TCGETS2 _IOR('T', 42, struct termios2)
+#define TARGET_TCSETS2 _IOW('T', 43, struct termios2)
+#define TARGET_TCSETSW2 _IOW('T', 44, struct termios2)
+#define TARGET_TCSETSF2 _IOW('T', 45, struct termios2)
+#define TARGET_TIOCGRS485 _IOR('T', 46, struct serial_rs485)
+#define TARGET_TIOCSRS485 _IOWR('T', 47, struct serial_rs485)
+#define TARGET_TIOCGPTN _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */
+#define TARGET_TIOCSPTLCK _IOW('T',0x31, int) /* Lock/unlock Pty */
+#define TARGET_TIOCGDEV _IOR('T',0x32, unsigned int) /* Get primary device node of /dev/console */
+#define TARGET_TIOCSIG _IOW('T',0x36, int) /* Generate signal on Pty slave */
+#define TARGET_TIOCVHANGUP _IO('T', 0x37)
+#define TARGET_TIOCGPKT _IOR('T', 0x38, int) /* Get packet mode state */
+#define TARGET_TIOCGPTLCK _IOR('T', 0x39, int) /* Get Pty lock state */
+#define TARGET_TIOCGEXCL _IOR('T', 0x40, int) /* Get exclusive mode state */
+#define TARGET_TIOCGPTPEER _IO('T', 0x41) /* Safely open the slave */
+
+#define TARGET_TIOCSERCONFIG _IO('T', 83)
+#define TARGET_TIOCSERGWILD _IOR('T', 84, int)
+#define TARGET_TIOCSERSWILD _IOW('T', 85, int)
+#define TARGET_TIOCGLCKTRMIOS 0x5456
+#define TARGET_TIOCSLCKTRMIOS 0x5457
+#define TARGET_TIOCSERGSTRUCT 0x5458 /* For debugging only */
+#define TARGET_TIOCSERGETLSR _IOR('T', 89, unsigned int) /* Get line status reg. */
+/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */
+# define TARGET_TIOCSER_TEMT 0x01 /* Transmitter physically empty */
+#define TARGET_TIOCSERGETMULTI 0x80a8545a /* Get multiport config */
+/* _IOR('T', 90, struct serial_multiport_struct) */
+#define TARGET_TIOCSERSETMULTI 0x40a8545b /* Set multiport config */
+/* _IOW('T', 91, struct serial_multiport_struct) */
+
+#define TARGET_TIOCMIWAIT _IO('T', 92) /* wait for a change on serial input line(s) */
+#define TARGET_TIOCGICOUNT 0x545D /* read serial port inline interrupt counts */
+#endif /* _XTENSA_TERMBITS_H */
