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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/sparc/include/asm/termios.h
Initial import
Diffstat (limited to 'arch/sparc/include/asm/termios.h')
-rw-r--r--arch/sparc/include/asm/termios.h146
1 files changed, 146 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/termios.h b/arch/sparc/include/asm/termios.h
new file mode 100644
index 000000000..0c2414ddd
--- /dev/null
+++ b/arch/sparc/include/asm/termios.h
@@ -0,0 +1,146 @@
+#ifndef _SPARC_TERMIOS_H
+#define _SPARC_TERMIOS_H
+
+#include <uapi/asm/termios.h>
+
+
+/*
+ * 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 _VMIN 4
+#define _VTIME 5
+
+/* intr=^C quit=^\ erase=del kill=^U
+ eof=^D eol=\0 eol2=\0 sxtc=\0
+ start=^Q stop=^S susp=^Z dsusp=^Y
+ reprint=^R discard=^U werase=^W lnext=^V
+ vmin=\1 vtime=\0
+*/
+#define INIT_C_CC "\003\034\177\025\004\000\000\000\021\023\032\031\022\025\027\026\001"
+
+/*
+ * Translate a "termio" structure into a "termios". Ugh.
+ */
+#define user_termio_to_kernel_termios(termios, termio) \
+({ \
+ unsigned short tmp; \
+ int err; \
+ err = get_user(tmp, &(termio)->c_iflag); \
+ (termios)->c_iflag = (0xffff0000 & ((termios)->c_iflag)) | tmp; \
+ err |= get_user(tmp, &(termio)->c_oflag); \
+ (termios)->c_oflag = (0xffff0000 & ((termios)->c_oflag)) | tmp; \
+ err |= get_user(tmp, &(termio)->c_cflag); \
+ (termios)->c_cflag = (0xffff0000 & ((termios)->c_cflag)) | tmp; \
+ err |= get_user(tmp, &(termio)->c_lflag); \
+ (termios)->c_lflag = (0xffff0000 & ((termios)->c_lflag)) | tmp; \
+ err |= copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \
+ err; \
+})
+
+/*
+ * Translate a "termios" structure into a "termio". Ugh.
+ *
+ * Note the "fun" _VMIN overloading.
+ */
+#define kernel_termios_to_user_termio(termio, termios) \
+({ \
+ int err; \
+ err = put_user((termios)->c_iflag, &(termio)->c_iflag); \
+ err |= put_user((termios)->c_oflag, &(termio)->c_oflag); \
+ err |= put_user((termios)->c_cflag, &(termio)->c_cflag); \
+ err |= put_user((termios)->c_lflag, &(termio)->c_lflag); \
+ err |= put_user((termios)->c_line, &(termio)->c_line); \
+ err |= copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
+ if (!((termios)->c_lflag & ICANON)) { \
+ err |= put_user((termios)->c_cc[VMIN], &(termio)->c_cc[_VMIN]); \
+ err |= put_user((termios)->c_cc[VTIME], &(termio)->c_cc[_VTIME]); \
+ } \
+ err; \
+})
+
+#define user_termios_to_kernel_termios(k, u) \
+({ \
+ int err; \
+ err = get_user((k)->c_iflag, &(u)->c_iflag); \
+ err |= get_user((k)->c_oflag, &(u)->c_oflag); \
+ err |= get_user((k)->c_cflag, &(u)->c_cflag); \
+ err |= get_user((k)->c_lflag, &(u)->c_lflag); \
+ err |= get_user((k)->c_line, &(u)->c_line); \
+ err |= copy_from_user((k)->c_cc, (u)->c_cc, NCCS); \
+ if ((k)->c_lflag & ICANON) { \
+ err |= get_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \
+ err |= get_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \
+ } else { \
+ err |= get_user((k)->c_cc[VMIN], &(u)->c_cc[_VMIN]); \
+ err |= get_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \
+ } \
+ err |= get_user((k)->c_ispeed, &(u)->c_ispeed); \
+ err |= get_user((k)->c_ospeed, &(u)->c_ospeed); \
+ err; \
+})
+
+#define kernel_termios_to_user_termios(u, k) \
+({ \
+ int err; \
+ err = put_user((k)->c_iflag, &(u)->c_iflag); \
+ err |= put_user((k)->c_oflag, &(u)->c_oflag); \
+ err |= put_user((k)->c_cflag, &(u)->c_cflag); \
+ err |= put_user((k)->c_lflag, &(u)->c_lflag); \
+ err |= put_user((k)->c_line, &(u)->c_line); \
+ err |= copy_to_user((u)->c_cc, (k)->c_cc, NCCS); \
+ if (!((k)->c_lflag & ICANON)) { \
+ err |= put_user((k)->c_cc[VMIN], &(u)->c_cc[_VMIN]); \
+ err |= put_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \
+ } else { \
+ err |= put_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \
+ err |= put_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \
+ } \
+ err |= put_user((k)->c_ispeed, &(u)->c_ispeed); \
+ err |= put_user((k)->c_ospeed, &(u)->c_ospeed); \
+ err; \
+})
+
+#define user_termios_to_kernel_termios_1(k, u) \
+({ \
+ int err; \
+ err = get_user((k)->c_iflag, &(u)->c_iflag); \
+ err |= get_user((k)->c_oflag, &(u)->c_oflag); \
+ err |= get_user((k)->c_cflag, &(u)->c_cflag); \
+ err |= get_user((k)->c_lflag, &(u)->c_lflag); \
+ err |= get_user((k)->c_line, &(u)->c_line); \
+ err |= copy_from_user((k)->c_cc, (u)->c_cc, NCCS); \
+ if ((k)->c_lflag & ICANON) { \
+ err |= get_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \
+ err |= get_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \
+ } else { \
+ err |= get_user((k)->c_cc[VMIN], &(u)->c_cc[_VMIN]); \
+ err |= get_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \
+ } \
+ err; \
+})
+
+#define kernel_termios_to_user_termios_1(u, k) \
+({ \
+ int err; \
+ err = put_user((k)->c_iflag, &(u)->c_iflag); \
+ err |= put_user((k)->c_oflag, &(u)->c_oflag); \
+ err |= put_user((k)->c_cflag, &(u)->c_cflag); \
+ err |= put_user((k)->c_lflag, &(u)->c_lflag); \
+ err |= put_user((k)->c_line, &(u)->c_line); \
+ err |= copy_to_user((u)->c_cc, (k)->c_cc, NCCS); \
+ if (!((k)->c_lflag & ICANON)) { \
+ err |= put_user((k)->c_cc[VMIN], &(u)->c_cc[_VMIN]); \
+ err |= put_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \
+ } else { \
+ err |= put_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \
+ err |= put_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \
+ } \
+ err; \
+})
+
+#endif /* _SPARC_TERMIOS_H */