forked from luck/tmp_suning_uos_patched
5072d5d58e
... fortunately, termios and ktermios there are identical, so no run-time breakage happened. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
147 lines
4.1 KiB
C
147 lines
4.1 KiB
C
#ifndef _ALPHA_TERMIOS_H
|
|
#define _ALPHA_TERMIOS_H
|
|
|
|
#include <asm/ioctls.h>
|
|
#include <asm/termbits.h>
|
|
|
|
struct sgttyb {
|
|
char sg_ispeed;
|
|
char sg_ospeed;
|
|
char sg_erase;
|
|
char sg_kill;
|
|
short sg_flags;
|
|
};
|
|
|
|
struct tchars {
|
|
char t_intrc;
|
|
char t_quitc;
|
|
char t_startc;
|
|
char t_stopc;
|
|
char t_eofc;
|
|
char t_brkc;
|
|
};
|
|
|
|
struct ltchars {
|
|
char t_suspc;
|
|
char t_dsuspc;
|
|
char t_rprntc;
|
|
char t_flushc;
|
|
char t_werasc;
|
|
char t_lnextc;
|
|
};
|
|
|
|
struct winsize {
|
|
unsigned short ws_row;
|
|
unsigned short ws_col;
|
|
unsigned short ws_xpixel;
|
|
unsigned short ws_ypixel;
|
|
};
|
|
|
|
#define NCC 8
|
|
struct termio {
|
|
unsigned short c_iflag; /* input mode flags */
|
|
unsigned short c_oflag; /* output mode flags */
|
|
unsigned short c_cflag; /* control mode flags */
|
|
unsigned short c_lflag; /* local mode flags */
|
|
unsigned char c_line; /* line discipline */
|
|
unsigned char c_cc[NCC]; /* control characters */
|
|
};
|
|
|
|
/*
|
|
* c_cc characters in the termio structure. Oh, how I love being
|
|
* backwardly compatible. Notice that character 4 and 5 are
|
|
* interpreted differently depending on whether ICANON is set in
|
|
* c_lflag. If it's set, they are used as _VEOF and _VEOL, otherwise
|
|
* as _VMIN and V_TIME. This is for compatibility with OSF/1 (which
|
|
* is compatible with sysV)...
|
|
*/
|
|
#define _VINTR 0
|
|
#define _VQUIT 1
|
|
#define _VERASE 2
|
|
#define _VKILL 3
|
|
#define _VEOF 4
|
|
#define _VMIN 4
|
|
#define _VEOL 5
|
|
#define _VTIME 5
|
|
#define _VEOL2 6
|
|
#define _VSWTC 7
|
|
|
|
#ifdef __KERNEL__
|
|
/* eof=^D eol=\0 eol2=\0 erase=del
|
|
werase=^W kill=^U reprint=^R sxtc=\0
|
|
intr=^C quit=^\ susp=^Z <OSF/1 VDSUSP>
|
|
start=^Q stop=^S lnext=^V discard=^U
|
|
vmin=\1 vtime=\0
|
|
*/
|
|
#define INIT_C_CC "\004\000\000\177\027\025\022\000\003\034\032\000\021\023\026\025\001\000"
|
|
|
|
/*
|
|
* Translate a "termio" structure into a "termios". Ugh.
|
|
*/
|
|
|
|
#define user_termio_to_kernel_termios(a_termios, u_termio) \
|
|
({ \
|
|
struct ktermios *k_termios = (a_termios); \
|
|
struct termio k_termio; \
|
|
int canon, ret; \
|
|
\
|
|
ret = copy_from_user(&k_termio, u_termio, sizeof(k_termio)); \
|
|
if (!ret) { \
|
|
/* Overwrite only the low bits. */ \
|
|
*(unsigned short *)&k_termios->c_iflag = k_termio.c_iflag; \
|
|
*(unsigned short *)&k_termios->c_oflag = k_termio.c_oflag; \
|
|
*(unsigned short *)&k_termios->c_cflag = k_termio.c_cflag; \
|
|
*(unsigned short *)&k_termios->c_lflag = k_termio.c_lflag; \
|
|
canon = k_termio.c_lflag & ICANON; \
|
|
\
|
|
k_termios->c_cc[VINTR] = k_termio.c_cc[_VINTR]; \
|
|
k_termios->c_cc[VQUIT] = k_termio.c_cc[_VQUIT]; \
|
|
k_termios->c_cc[VERASE] = k_termio.c_cc[_VERASE]; \
|
|
k_termios->c_cc[VKILL] = k_termio.c_cc[_VKILL]; \
|
|
k_termios->c_cc[VEOL2] = k_termio.c_cc[_VEOL2]; \
|
|
k_termios->c_cc[VSWTC] = k_termio.c_cc[_VSWTC]; \
|
|
k_termios->c_cc[canon ? VEOF : VMIN] = k_termio.c_cc[_VEOF]; \
|
|
k_termios->c_cc[canon ? VEOL : VTIME] = k_termio.c_cc[_VEOL]; \
|
|
} \
|
|
ret; \
|
|
})
|
|
|
|
/*
|
|
* Translate a "termios" structure into a "termio". Ugh.
|
|
*
|
|
* Note the "fun" _VMIN overloading.
|
|
*/
|
|
#define kernel_termios_to_user_termio(u_termio, a_termios) \
|
|
({ \
|
|
struct ktermios *k_termios = (a_termios); \
|
|
struct termio k_termio; \
|
|
int canon; \
|
|
\
|
|
k_termio.c_iflag = k_termios->c_iflag; \
|
|
k_termio.c_oflag = k_termios->c_oflag; \
|
|
k_termio.c_cflag = k_termios->c_cflag; \
|
|
canon = (k_termio.c_lflag = k_termios->c_lflag) & ICANON; \
|
|
\
|
|
k_termio.c_line = k_termios->c_line; \
|
|
k_termio.c_cc[_VINTR] = k_termios->c_cc[VINTR]; \
|
|
k_termio.c_cc[_VQUIT] = k_termios->c_cc[VQUIT]; \
|
|
k_termio.c_cc[_VERASE] = k_termios->c_cc[VERASE]; \
|
|
k_termio.c_cc[_VKILL] = k_termios->c_cc[VKILL]; \
|
|
k_termio.c_cc[_VEOF] = k_termios->c_cc[canon ? VEOF : VMIN]; \
|
|
k_termio.c_cc[_VEOL] = k_termios->c_cc[canon ? VEOL : VTIME]; \
|
|
k_termio.c_cc[_VEOL2] = k_termios->c_cc[VEOL2]; \
|
|
k_termio.c_cc[_VSWTC] = k_termios->c_cc[VSWTC]; \
|
|
\
|
|
copy_to_user(u_termio, &k_termio, sizeof(k_termio)); \
|
|
})
|
|
|
|
#define user_termios_to_kernel_termios(k, u) \
|
|
copy_from_user(k, u, sizeof(struct termios))
|
|
|
|
#define kernel_termios_to_user_termios(u, k) \
|
|
copy_to_user(u, k, sizeof(struct termios))
|
|
|
|
#endif /* __KERNEL__ */
|
|
|
|
#endif /* _ALPHA_TERMIOS_H */
|