kernel: add defines for tty termios improvements

diff --git a/Kernel/include/tty.h b/Kernel/include/tty.h
index 3d3ac4e..7ad8a21 100644 (file)
--- a/Kernel/include/tty.h
+++ b/Kernel/include/tty.h
@@ -43,6 +43,8 @@ struct termios {
 #define PARMRK 0x0800
 #define IXON   0x1000
 
+#define _ISYS  (ICRNL|INLCR|ISTRIP)    /* Flags supported by core */
+
 #define OPOST  0x0001  /* Supported */
 #define OLCUC  0x0002
 #define ONLCR  0x0004  /* Supported */
@@ -72,6 +74,8 @@ struct termios {
 #define FF0    0x0000
 #define FF1    0x2000
 
+#define _OSYS  (OPOST|ONLCR|OCRNL)
+
 #define B0     0x0000
 #define B50    0x0001
 #define B75    0x0002
@@ -103,6 +107,8 @@ struct termios {
 #define CRTSCTS 0x1000
 #define CBAUD  0x000F
 
+#define _CSYS  (CREAD|HUPCL|CLOCAL)
+
 #define ECHO   0x0001  /* Supported */
 #define ECHOE  0x0002  /* Supported */
 #define ECHOK  0x0004  /* Supported */
@@ -114,6 +120,8 @@ struct termios {
 #define TOSTOP 0x0100
 #define XCASE  0x0200
 
+#define _LSYS  (ECHO|ECHOE|ECHOK|ICANON|ISIG)
+
 #define TCSANOW                0
 #define TCSADRAIN      1
 #define TCSAFLUSH      2
@@ -212,6 +220,7 @@ struct tty {
 #define CTRL(x)                ((x)&0x1F)
 
 extern struct tty ttydata[NUM_DEV_TTY + 1];
+extern tcflag_t *termios_mask[NUM_DEV_TTY + 1];
 
 extern void tty_init(void);