187 lines
5.5 KiB
C
187 lines
5.5 KiB
C
#ifndef _SPARC_TERMIOS_H
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#define _SPARC_TERMIOS_H
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#include <asm/ioctls.h>
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#include <asm/termbits.h>
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#if defined(__KERNEL__) || defined(__DEFINE_BSD_TERMIOS)
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struct sgttyb {
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char sg_ispeed;
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char sg_ospeed;
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char sg_erase;
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char sg_kill;
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short sg_flags;
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};
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struct tchars {
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char t_intrc;
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char t_quitc;
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char t_startc;
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char t_stopc;
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char t_eofc;
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char t_brkc;
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};
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struct ltchars {
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char t_suspc;
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char t_dsuspc;
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char t_rprntc;
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char t_flushc;
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char t_werasc;
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char t_lnextc;
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};
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#endif /* __KERNEL__ */
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struct winsize {
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unsigned short ws_row;
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unsigned short ws_col;
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unsigned short ws_xpixel;
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unsigned short ws_ypixel;
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};
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#ifdef __KERNEL__
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#include <linux/module.h>
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/*
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* c_cc characters in the termio structure. Oh, how I love being
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* backwardly compatible. Notice that character 4 and 5 are
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* interpreted differently depending on whether ICANON is set in
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* c_lflag. If it's set, they are used as _VEOF and _VEOL, otherwise
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* as _VMIN and V_TIME. This is for compatibility with OSF/1 (which
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* is compatible with sysV)...
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*/
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#define _VMIN 4
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#define _VTIME 5
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/* intr=^C quit=^\ erase=del kill=^U
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eof=^D eol=\0 eol2=\0 sxtc=\0
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start=^Q stop=^S susp=^Z dsusp=^Y
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reprint=^R discard=^U werase=^W lnext=^V
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vmin=\1 vtime=\0
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*/
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#define INIT_C_CC "\003\034\177\025\004\000\000\000\021\023\032\031\022\025\027\026\001"
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/*
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* Translate a "termio" structure into a "termios". Ugh.
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*/
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#define user_termio_to_kernel_termios(termios, termio) \
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({ \
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unsigned short tmp; \
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int err; \
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err = get_user(tmp, &(termio)->c_iflag); \
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(termios)->c_iflag = (0xffff0000 & ((termios)->c_iflag)) | tmp; \
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err |= get_user(tmp, &(termio)->c_oflag); \
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(termios)->c_oflag = (0xffff0000 & ((termios)->c_oflag)) | tmp; \
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err |= get_user(tmp, &(termio)->c_cflag); \
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(termios)->c_cflag = (0xffff0000 & ((termios)->c_cflag)) | tmp; \
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err |= get_user(tmp, &(termio)->c_lflag); \
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(termios)->c_lflag = (0xffff0000 & ((termios)->c_lflag)) | tmp; \
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err |= copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \
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err; \
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})
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/*
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* Translate a "termios" structure into a "termio". Ugh.
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*
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* Note the "fun" _VMIN overloading.
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*/
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#define kernel_termios_to_user_termio(termio, termios) \
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({ \
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int err; \
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err = put_user((termios)->c_iflag, &(termio)->c_iflag); \
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err |= put_user((termios)->c_oflag, &(termio)->c_oflag); \
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err |= put_user((termios)->c_cflag, &(termio)->c_cflag); \
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err |= put_user((termios)->c_lflag, &(termio)->c_lflag); \
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err |= put_user((termios)->c_line, &(termio)->c_line); \
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err |= copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
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if (!((termios)->c_lflag & ICANON)) { \
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err |= put_user((termios)->c_cc[VMIN], &(termio)->c_cc[_VMIN]); \
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err |= put_user((termios)->c_cc[VTIME], &(termio)->c_cc[_VTIME]); \
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} \
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err; \
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})
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#define user_termios_to_kernel_termios(k, u) \
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({ \
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int err; \
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err = get_user((k)->c_iflag, &(u)->c_iflag); \
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err |= get_user((k)->c_oflag, &(u)->c_oflag); \
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err |= get_user((k)->c_cflag, &(u)->c_cflag); \
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err |= get_user((k)->c_lflag, &(u)->c_lflag); \
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err |= get_user((k)->c_line, &(u)->c_line); \
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err |= copy_from_user((k)->c_cc, (u)->c_cc, NCCS); \
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if ((k)->c_lflag & ICANON) { \
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err |= get_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \
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err |= get_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \
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} else { \
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err |= get_user((k)->c_cc[VMIN], &(u)->c_cc[_VMIN]); \
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err |= get_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \
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} \
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err |= get_user((k)->c_ispeed, &(u)->c_ispeed); \
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err |= get_user((k)->c_ospeed, &(u)->c_ospeed); \
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err; \
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})
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#define kernel_termios_to_user_termios(u, k) \
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({ \
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int err; \
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err = put_user((k)->c_iflag, &(u)->c_iflag); \
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err |= put_user((k)->c_oflag, &(u)->c_oflag); \
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err |= put_user((k)->c_cflag, &(u)->c_cflag); \
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err |= put_user((k)->c_lflag, &(u)->c_lflag); \
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err |= put_user((k)->c_line, &(u)->c_line); \
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err |= copy_to_user((u)->c_cc, (k)->c_cc, NCCS); \
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if (!((k)->c_lflag & ICANON)) { \
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err |= put_user((k)->c_cc[VMIN], &(u)->c_cc[_VMIN]); \
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err |= put_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \
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} else { \
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err |= put_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \
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err |= put_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \
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} \
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err |= put_user((k)->c_ispeed, &(u)->c_ispeed); \
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err |= put_user((k)->c_ospeed, &(u)->c_ospeed); \
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err; \
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})
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#define user_termios_to_kernel_termios_1(k, u) \
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({ \
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int err; \
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err = get_user((k)->c_iflag, &(u)->c_iflag); \
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err |= get_user((k)->c_oflag, &(u)->c_oflag); \
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err |= get_user((k)->c_cflag, &(u)->c_cflag); \
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err |= get_user((k)->c_lflag, &(u)->c_lflag); \
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err |= get_user((k)->c_line, &(u)->c_line); \
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err |= copy_from_user((k)->c_cc, (u)->c_cc, NCCS); \
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if ((k)->c_lflag & ICANON) { \
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err |= get_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \
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err |= get_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \
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} else { \
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err |= get_user((k)->c_cc[VMIN], &(u)->c_cc[_VMIN]); \
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err |= get_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \
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} \
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err; \
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})
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#define kernel_termios_to_user_termios_1(u, k) \
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({ \
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int err; \
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err = put_user((k)->c_iflag, &(u)->c_iflag); \
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err |= put_user((k)->c_oflag, &(u)->c_oflag); \
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err |= put_user((k)->c_cflag, &(u)->c_cflag); \
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err |= put_user((k)->c_lflag, &(u)->c_lflag); \
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err |= put_user((k)->c_line, &(u)->c_line); \
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err |= copy_to_user((u)->c_cc, (k)->c_cc, NCCS); \
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if (!((k)->c_lflag & ICANON)) { \
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err |= put_user((k)->c_cc[VMIN], &(u)->c_cc[_VMIN]); \
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err |= put_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \
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} else { \
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err |= put_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \
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err |= put_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \
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} \
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err; \
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})
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#endif /* __KERNEL__ */
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#endif /* _SPARC_TERMIOS_H */
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