Revision aa0bc6b6 vl.c
| b/vl.c | ||
|---|---|---|
| 1138 | 1138 |
|
| 1139 | 1139 |
#define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */ |
| 1140 | 1140 |
|
| 1141 |
#define TERM_FIFO_MAX_SIZE 1 |
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| 1142 |
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|
| 1141 | 1143 |
static int term_got_escape, client_index; |
| 1144 |
static uint8_t term_fifo[TERM_FIFO_MAX_SIZE]; |
|
| 1145 |
int term_fifo_size; |
|
| 1142 | 1146 |
|
| 1143 | 1147 |
void term_print_help(void) |
| 1144 | 1148 |
{
|
| ... | ... | |
| 1207 | 1211 |
|
| 1208 | 1212 |
chr = stdio_clients[client_index]; |
| 1209 | 1213 |
s = chr->opaque; |
| 1210 |
buf[0] = ch; |
|
| 1211 |
/* XXX: should queue the char if the device is not |
|
| 1212 |
ready */ |
|
| 1213 |
if (s->fd_can_read(s->fd_opaque) > 0) |
|
| 1214 |
if (s->fd_can_read(s->fd_opaque) > 0) {
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|
| 1215 |
buf[0] = ch; |
|
| 1214 | 1216 |
s->fd_read(s->fd_opaque, buf, 1); |
| 1217 |
} else if (term_fifo_size == 0) {
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| 1218 |
term_fifo[term_fifo_size++] = ch; |
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| 1219 |
} |
|
| 1215 | 1220 |
} |
| 1216 | 1221 |
} |
| 1217 | 1222 |
} |
| 1218 | 1223 |
|
| 1219 | 1224 |
static int stdio_can_read(void *opaque) |
| 1220 | 1225 |
{
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| 1221 |
/* XXX: not strictly correct */ |
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| 1222 |
return 1; |
|
| 1226 |
CharDriverState *chr; |
|
| 1227 |
FDCharDriver *s; |
|
| 1228 |
|
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| 1229 |
if (client_index < stdio_nb_clients) {
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| 1230 |
chr = stdio_clients[client_index]; |
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| 1231 |
s = chr->opaque; |
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| 1232 |
/* try to flush the queue if needed */ |
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| 1233 |
if (term_fifo_size != 0 && s->fd_can_read(s->fd_opaque) > 0) {
|
|
| 1234 |
s->fd_read(s->fd_opaque, term_fifo, 1); |
|
| 1235 |
term_fifo_size = 0; |
|
| 1236 |
} |
|
| 1237 |
/* see if we can absorb more chars */ |
|
| 1238 |
if (term_fifo_size == 0) |
|
| 1239 |
return 1; |
|
| 1240 |
else |
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| 1241 |
return 0; |
|
| 1242 |
} else {
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| 1243 |
return 1; |
|
| 1244 |
} |
|
| 1223 | 1245 |
} |
| 1224 | 1246 |
|
| 1225 | 1247 |
static void stdio_read(void *opaque, const uint8_t *buf, int size) |
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