diff options
Diffstat (limited to 'arch/v850/kernel/simcons.c')
-rw-r--r-- | arch/v850/kernel/simcons.c | 25 |
1 files changed, 10 insertions, 15 deletions
diff --git a/arch/v850/kernel/simcons.c b/arch/v850/kernel/simcons.c index 7f0efaa025c9..3975aa02cef8 100644 --- a/arch/v850/kernel/simcons.c +++ b/arch/v850/kernel/simcons.c | |||
@@ -117,6 +117,7 @@ late_initcall(simcons_tty_init); | |||
117 | tty driver. */ | 117 | tty driver. */ |
118 | void simcons_poll_tty (struct tty_struct *tty) | 118 | void simcons_poll_tty (struct tty_struct *tty) |
119 | { | 119 | { |
120 | char buf[32]; /* Not the nicest way to do it but I need it correct first */ | ||
120 | int flip = 0, send_break = 0; | 121 | int flip = 0, send_break = 0; |
121 | struct pollfd pfd; | 122 | struct pollfd pfd; |
122 | pfd.fd = 0; | 123 | pfd.fd = 0; |
@@ -124,21 +125,15 @@ void simcons_poll_tty (struct tty_struct *tty) | |||
124 | 125 | ||
125 | if (V850_SIM_SYSCALL (poll, &pfd, 1, 0) > 0) { | 126 | if (V850_SIM_SYSCALL (poll, &pfd, 1, 0) > 0) { |
126 | if (pfd.revents & POLLIN) { | 127 | if (pfd.revents & POLLIN) { |
127 | int left = TTY_FLIPBUF_SIZE - tty->flip.count; | 128 | /* Real block hardware knows the transfer size before |
128 | 129 | transfer so the new tty buffering doesn't try to handle | |
129 | if (left > 0) { | 130 | this rather weird simulator specific case well */ |
130 | unsigned char *buf = tty->flip.char_buf_ptr; | 131 | int rd = V850_SIM_SYSCALL (read, 0, buf, 32); |
131 | int rd = V850_SIM_SYSCALL (read, 0, buf, left); | 132 | if (rd > 0) { |
132 | 133 | tty_insert_flip_string(tty, buf, rd); | |
133 | if (rd > 0) { | 134 | flip = 1; |
134 | tty->flip.count += rd; | 135 | } else |
135 | tty->flip.char_buf_ptr += rd; | 136 | send_break = 1; |
136 | memset (tty->flip.flag_buf_ptr, 0, rd); | ||
137 | tty->flip.flag_buf_ptr += rd; | ||
138 | flip = 1; | ||
139 | } else | ||
140 | send_break = 1; | ||
141 | } | ||
142 | } else if (pfd.revents & POLLERR) | 137 | } else if (pfd.revents & POLLERR) |
143 | send_break = 1; | 138 | send_break = 1; |
144 | } | 139 | } |