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/*
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* QEMU monitor
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*
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* Copyright (c) 2003-2004 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "vl.h" |
25 |
#include "disas.h" |
26 |
|
27 |
//#define DEBUG
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|
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#ifndef offsetof
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#define offsetof(type, field) ((size_t) &((type *)0)->field) |
31 |
#endif
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32 |
|
33 |
#define TERM_CMD_BUF_SIZE 4095 |
34 |
#define TERM_MAX_CMDS 64 |
35 |
|
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#define IS_NORM 0 |
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#define IS_ESC 1 |
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#define IS_CSI 2 |
39 |
|
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#define printf do_not_use_printf
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|
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static char term_cmd_buf[TERM_CMD_BUF_SIZE + 1]; |
43 |
static int term_cmd_buf_index; |
44 |
static int term_cmd_buf_size; |
45 |
static int term_esc_state; |
46 |
static int term_esc_param; |
47 |
|
48 |
static char *term_history[TERM_MAX_CMDS]; |
49 |
static int term_hist_entry; |
50 |
|
51 |
/*
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* Supported types:
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*
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* 'F' filename
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* 's' string (accept optional quote)
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* 'i' integer
|
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* '/' optional gdb-like print format (like "/10x")
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*
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* '?' optional type (for 'F', 's' and 'i')
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*
|
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*/
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62 |
|
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typedef struct term_cmd_t { |
64 |
const char *name; |
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const char *args_type; |
66 |
void (*handler)();
|
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const char *params; |
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const char *help; |
69 |
} term_cmd_t; |
70 |
|
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static term_cmd_t term_cmds[];
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static term_cmd_t info_cmds[];
|
73 |
|
74 |
void term_printf(const char *fmt, ...) |
75 |
{ |
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va_list ap; |
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va_start(ap, fmt); |
78 |
vprintf(fmt, ap); |
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va_end(ap); |
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} |
81 |
|
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void term_flush(void) |
83 |
{ |
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fflush(stdout); |
85 |
} |
86 |
|
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static int compare_cmd(const char *name, const char *list) |
88 |
{ |
89 |
const char *p, *pstart; |
90 |
int len;
|
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len = strlen(name); |
92 |
p = list; |
93 |
for(;;) {
|
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pstart = p; |
95 |
p = strchr(p, '|');
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if (!p)
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p = pstart + strlen(pstart); |
98 |
if ((p - pstart) == len && !memcmp(pstart, name, len))
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return 1; |
100 |
if (*p == '\0') |
101 |
break;
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p++; |
103 |
} |
104 |
return 0; |
105 |
} |
106 |
|
107 |
static void help_cmd1(term_cmd_t *cmds, const char *prefix, const char *name) |
108 |
{ |
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term_cmd_t *cmd; |
110 |
|
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for(cmd = cmds; cmd->name != NULL; cmd++) { |
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if (!name || !strcmp(name, cmd->name))
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term_printf("%s%s %s -- %s\n", prefix, cmd->name, cmd->params, cmd->help);
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} |
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} |
116 |
|
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static void help_cmd(const char *name) |
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{ |
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if (name && !strcmp(name, "info")) { |
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help_cmd1(info_cmds, "info ", NULL); |
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} else {
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help_cmd1(term_cmds, "", name);
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if (name && !strcmp(name, "log")) { |
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CPULogItem *item; |
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term_printf("Log items (comma separated):\n");
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term_printf("%-10s %s\n", "none", "remove all logs"); |
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for(item = cpu_log_items; item->mask != 0; item++) { |
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term_printf("%-10s %s\n", item->name, item->help);
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} |
130 |
} |
131 |
} |
132 |
} |
133 |
|
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static void do_help(const char *name) |
135 |
{ |
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help_cmd(name); |
137 |
} |
138 |
|
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static void do_commit(void) |
140 |
{ |
141 |
int i;
|
142 |
|
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for (i = 0; i < MAX_DISKS; i++) { |
144 |
if (bs_table[i])
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bdrv_commit(bs_table[i]); |
146 |
} |
147 |
} |
148 |
|
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static void do_info(const char *item) |
150 |
{ |
151 |
term_cmd_t *cmd; |
152 |
|
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if (!item)
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goto help;
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for(cmd = info_cmds; cmd->name != NULL; cmd++) { |
156 |
if (compare_cmd(item, cmd->name))
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goto found;
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} |
159 |
help:
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help_cmd("info");
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return;
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found:
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cmd->handler(); |
164 |
} |
165 |
|
166 |
static void do_info_network(void) |
167 |
{ |
168 |
int i, j;
|
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NetDriverState *nd; |
170 |
|
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for(i = 0; i < nb_nics; i++) { |
172 |
nd = &nd_table[i]; |
173 |
term_printf("%d: ifname=%s macaddr=", i, nd->ifname);
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for(j = 0; j < 6; j++) { |
175 |
if (j > 0) |
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term_printf(":");
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term_printf("%02x", nd->macaddr[j]);
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} |
179 |
term_printf("\n");
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} |
181 |
} |
182 |
|
183 |
static void do_info_block(void) |
184 |
{ |
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bdrv_info(); |
186 |
} |
187 |
|
188 |
static void do_info_registers(void) |
189 |
{ |
190 |
#ifdef TARGET_I386
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cpu_dump_state(cpu_single_env, stdout, X86_DUMP_FPU | X86_DUMP_CCOP); |
192 |
#else
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cpu_dump_state(cpu_single_env, stdout, 0);
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#endif
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} |
196 |
|
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static void do_info_history (void) |
198 |
{ |
199 |
int i;
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200 |
|
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for (i = 0; i < TERM_MAX_CMDS; i++) { |
202 |
if (term_history[i] == NULL) |
203 |
break;
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term_printf("%d: '%s'\n", i, term_history[i]);
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} |
206 |
} |
207 |
|
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static void do_quit(void) |
209 |
{ |
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exit(0);
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} |
212 |
|
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static int eject_device(BlockDriverState *bs, int force) |
214 |
{ |
215 |
if (bdrv_is_inserted(bs)) {
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if (!force) {
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if (!bdrv_is_removable(bs)) {
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term_printf("device is not removable\n");
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return -1; |
220 |
} |
221 |
if (bdrv_is_locked(bs)) {
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term_printf("device is locked\n");
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return -1; |
224 |
} |
225 |
} |
226 |
bdrv_close(bs); |
227 |
} |
228 |
return 0; |
229 |
} |
230 |
|
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static void do_eject(int force, const char *filename) |
232 |
{ |
233 |
BlockDriverState *bs; |
234 |
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term_printf("%d %s\n", force, filename);
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bs = bdrv_find(filename); |
238 |
if (!bs) {
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term_printf("device not found\n");
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return;
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241 |
} |
242 |
eject_device(bs, force); |
243 |
} |
244 |
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245 |
static void do_change(const char *device, const char *filename) |
246 |
{ |
247 |
BlockDriverState *bs; |
248 |
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249 |
bs = bdrv_find(device); |
250 |
if (!bs) {
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term_printf("device not found\n");
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return;
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253 |
} |
254 |
if (eject_device(bs, 0) < 0) |
255 |
return;
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256 |
bdrv_open(bs, filename, 0);
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} |
258 |
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259 |
static void do_screen_dump(const char *filename) |
260 |
{ |
261 |
vga_screen_dump(filename); |
262 |
} |
263 |
|
264 |
static void do_log(const char *items) |
265 |
{ |
266 |
int mask;
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|
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if (!strcmp(items, "none")) { |
269 |
mask = 0;
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} else {
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271 |
mask = cpu_str_to_log_mask(items); |
272 |
if (!mask) {
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help_cmd("log");
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return;
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275 |
} |
276 |
} |
277 |
cpu_set_log(mask); |
278 |
} |
279 |
|
280 |
static void do_savevm(const char *filename) |
281 |
{ |
282 |
if (qemu_savevm(filename) < 0) |
283 |
term_printf("I/O error when saving VM to '%s'\n", filename);
|
284 |
} |
285 |
|
286 |
static void do_loadvm(const char *filename) |
287 |
{ |
288 |
if (qemu_loadvm(filename) < 0) |
289 |
term_printf("I/O error when loading VM from '%s'\n", filename);
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} |
291 |
|
292 |
static void do_stop(void) |
293 |
{ |
294 |
vm_stop(EXCP_INTERRUPT); |
295 |
} |
296 |
|
297 |
static void do_cont(void) |
298 |
{ |
299 |
vm_start(); |
300 |
} |
301 |
|
302 |
#ifdef CONFIG_GDBSTUB
|
303 |
static void do_gdbserver(int has_port, int port) |
304 |
{ |
305 |
if (!has_port)
|
306 |
port = DEFAULT_GDBSTUB_PORT; |
307 |
if (gdbserver_start(port) < 0) { |
308 |
qemu_printf("Could not open gdbserver socket on port %d\n", port);
|
309 |
} else {
|
310 |
qemu_printf("Waiting gdb connection on port %d\n", port);
|
311 |
} |
312 |
} |
313 |
#endif
|
314 |
|
315 |
static void term_printc(int c) |
316 |
{ |
317 |
term_printf("'");
|
318 |
switch(c) {
|
319 |
case '\'': |
320 |
term_printf("\\'");
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321 |
break;
|
322 |
case '\\': |
323 |
term_printf("\\\\");
|
324 |
break;
|
325 |
case '\n': |
326 |
term_printf("\\n");
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327 |
break;
|
328 |
case '\r': |
329 |
term_printf("\\r");
|
330 |
break;
|
331 |
default:
|
332 |
if (c >= 32 && c <= 126) { |
333 |
term_printf("%c", c);
|
334 |
} else {
|
335 |
term_printf("\\x%02x", c);
|
336 |
} |
337 |
break;
|
338 |
} |
339 |
term_printf("'");
|
340 |
} |
341 |
|
342 |
static void memory_dump(int count, int format, int wsize, |
343 |
target_ulong addr, int is_physical)
|
344 |
{ |
345 |
int nb_per_line, l, line_size, i, max_digits, len;
|
346 |
uint8_t buf[16];
|
347 |
uint64_t v; |
348 |
|
349 |
if (format == 'i') { |
350 |
int flags;
|
351 |
flags = 0;
|
352 |
#ifdef TARGET_I386
|
353 |
if (wsize == 2) { |
354 |
flags = 1;
|
355 |
} else if (wsize == 4) { |
356 |
flags = 0;
|
357 |
} else {
|
358 |
/* as default we use the current CS size */
|
359 |
flags = 0;
|
360 |
if (!(cpu_single_env->segs[R_CS].flags & DESC_B_MASK))
|
361 |
flags = 1;
|
362 |
} |
363 |
#endif
|
364 |
monitor_disas(addr, count, is_physical, flags); |
365 |
return;
|
366 |
} |
367 |
|
368 |
len = wsize * count; |
369 |
if (wsize == 1) |
370 |
line_size = 8;
|
371 |
else
|
372 |
line_size = 16;
|
373 |
nb_per_line = line_size / wsize; |
374 |
max_digits = 0;
|
375 |
|
376 |
switch(format) {
|
377 |
case 'o': |
378 |
max_digits = (wsize * 8 + 2) / 3; |
379 |
break;
|
380 |
default:
|
381 |
case 'x': |
382 |
max_digits = (wsize * 8) / 4; |
383 |
break;
|
384 |
case 'u': |
385 |
case 'd': |
386 |
max_digits = (wsize * 8 * 10 + 32) / 33; |
387 |
break;
|
388 |
case 'c': |
389 |
wsize = 1;
|
390 |
break;
|
391 |
} |
392 |
|
393 |
while (len > 0) { |
394 |
term_printf("0x%08x:", addr);
|
395 |
l = len; |
396 |
if (l > line_size)
|
397 |
l = line_size; |
398 |
if (is_physical) {
|
399 |
cpu_physical_memory_rw(addr, buf, l, 0);
|
400 |
} else {
|
401 |
cpu_memory_rw_debug(cpu_single_env, addr, buf, l, 0);
|
402 |
} |
403 |
i = 0;
|
404 |
while (i < l) {
|
405 |
switch(wsize) {
|
406 |
default:
|
407 |
case 1: |
408 |
v = ldub_raw(buf + i); |
409 |
break;
|
410 |
case 2: |
411 |
v = lduw_raw(buf + i); |
412 |
break;
|
413 |
case 4: |
414 |
v = ldl_raw(buf + i); |
415 |
break;
|
416 |
case 8: |
417 |
v = ldq_raw(buf + i); |
418 |
break;
|
419 |
} |
420 |
term_printf(" ");
|
421 |
switch(format) {
|
422 |
case 'o': |
423 |
term_printf("%#*llo", max_digits, v);
|
424 |
break;
|
425 |
case 'x': |
426 |
term_printf("0x%0*llx", max_digits, v);
|
427 |
break;
|
428 |
case 'u': |
429 |
term_printf("%*llu", max_digits, v);
|
430 |
break;
|
431 |
case 'd': |
432 |
term_printf("%*lld", max_digits, v);
|
433 |
break;
|
434 |
case 'c': |
435 |
term_printc(v); |
436 |
break;
|
437 |
} |
438 |
i += wsize; |
439 |
} |
440 |
term_printf("\n");
|
441 |
addr += l; |
442 |
len -= l; |
443 |
} |
444 |
} |
445 |
|
446 |
static void do_memory_dump(int count, int format, int size, int addr) |
447 |
{ |
448 |
memory_dump(count, format, size, addr, 0);
|
449 |
} |
450 |
|
451 |
static void do_physical_memory_dump(int count, int format, int size, int addr) |
452 |
{ |
453 |
memory_dump(count, format, size, addr, 1);
|
454 |
} |
455 |
|
456 |
static void do_print(int count, int format, int size, int val) |
457 |
{ |
458 |
switch(format) {
|
459 |
case 'o': |
460 |
term_printf("%#o", val);
|
461 |
break;
|
462 |
case 'x': |
463 |
term_printf("%#x", val);
|
464 |
break;
|
465 |
case 'u': |
466 |
term_printf("%u", val);
|
467 |
break;
|
468 |
default:
|
469 |
case 'd': |
470 |
term_printf("%d", val);
|
471 |
break;
|
472 |
case 'c': |
473 |
term_printc(val); |
474 |
break;
|
475 |
} |
476 |
term_printf("\n");
|
477 |
} |
478 |
|
479 |
typedef struct { |
480 |
int keycode;
|
481 |
const char *name; |
482 |
} KeyDef; |
483 |
|
484 |
static const KeyDef key_defs[] = { |
485 |
{ 0x2a, "shift" }, |
486 |
{ 0x36, "shift_r" }, |
487 |
|
488 |
{ 0x38, "alt" }, |
489 |
{ 0xb8, "alt_r" }, |
490 |
{ 0x1d, "ctrl" }, |
491 |
{ 0x9d, "ctrl_r" }, |
492 |
|
493 |
{ 0xdd, "menu" }, |
494 |
|
495 |
{ 0x01, "esc" }, |
496 |
|
497 |
{ 0x02, "1" }, |
498 |
{ 0x03, "2" }, |
499 |
{ 0x04, "3" }, |
500 |
{ 0x05, "4" }, |
501 |
{ 0x06, "5" }, |
502 |
{ 0x07, "6" }, |
503 |
{ 0x08, "7" }, |
504 |
{ 0x09, "8" }, |
505 |
{ 0x0a, "9" }, |
506 |
{ 0x0b, "0" }, |
507 |
{ 0x0e, "backspace" }, |
508 |
|
509 |
{ 0x0f, "tab" }, |
510 |
{ 0x10, "q" }, |
511 |
{ 0x11, "w" }, |
512 |
{ 0x12, "e" }, |
513 |
{ 0x13, "r" }, |
514 |
{ 0x14, "t" }, |
515 |
{ 0x15, "y" }, |
516 |
{ 0x16, "u" }, |
517 |
{ 0x17, "i" }, |
518 |
{ 0x18, "o" }, |
519 |
{ 0x19, "p" }, |
520 |
|
521 |
{ 0x1c, "ret" }, |
522 |
|
523 |
{ 0x1e, "a" }, |
524 |
{ 0x1f, "s" }, |
525 |
{ 0x20, "d" }, |
526 |
{ 0x21, "f" }, |
527 |
{ 0x22, "g" }, |
528 |
{ 0x23, "h" }, |
529 |
{ 0x24, "j" }, |
530 |
{ 0x25, "k" }, |
531 |
{ 0x26, "l" }, |
532 |
|
533 |
{ 0x2c, "z" }, |
534 |
{ 0x2d, "x" }, |
535 |
{ 0x2e, "c" }, |
536 |
{ 0x2f, "v" }, |
537 |
{ 0x30, "b" }, |
538 |
{ 0x31, "n" }, |
539 |
{ 0x32, "m" }, |
540 |
|
541 |
{ 0x39, "spc" }, |
542 |
{ 0x3a, "caps_lock" }, |
543 |
{ 0x3b, "f1" }, |
544 |
{ 0x3c, "f2" }, |
545 |
{ 0x3d, "f3" }, |
546 |
{ 0x3e, "f4" }, |
547 |
{ 0x3f, "f5" }, |
548 |
{ 0x40, "f6" }, |
549 |
{ 0x41, "f7" }, |
550 |
{ 0x42, "f8" }, |
551 |
{ 0x43, "f9" }, |
552 |
{ 0x44, "f10" }, |
553 |
{ 0x45, "num_lock" }, |
554 |
{ 0x46, "scroll_lock" }, |
555 |
|
556 |
{ 0x56, "<" }, |
557 |
|
558 |
{ 0x57, "f11" }, |
559 |
{ 0x58, "f12" }, |
560 |
|
561 |
{ 0xb7, "print" }, |
562 |
|
563 |
{ 0xc7, "home" }, |
564 |
{ 0xc9, "pgup" }, |
565 |
{ 0xd1, "pgdn" }, |
566 |
{ 0xcf, "end" }, |
567 |
|
568 |
{ 0xcb, "left" }, |
569 |
{ 0xc8, "up" }, |
570 |
{ 0xd0, "down" }, |
571 |
{ 0xcd, "right" }, |
572 |
|
573 |
{ 0xd2, "insert" }, |
574 |
{ 0xd3, "delete" }, |
575 |
{ 0, NULL }, |
576 |
}; |
577 |
|
578 |
static int get_keycode(const char *key) |
579 |
{ |
580 |
const KeyDef *p;
|
581 |
|
582 |
for(p = key_defs; p->name != NULL; p++) { |
583 |
if (!strcmp(key, p->name))
|
584 |
return p->keycode;
|
585 |
} |
586 |
return -1; |
587 |
} |
588 |
|
589 |
static void do_send_key(const char *string) |
590 |
{ |
591 |
char keybuf[16], *q; |
592 |
uint8_t keycodes[16];
|
593 |
const char *p; |
594 |
int nb_keycodes, keycode, i;
|
595 |
|
596 |
nb_keycodes = 0;
|
597 |
p = string; |
598 |
while (*p != '\0') { |
599 |
q = keybuf; |
600 |
while (*p != '\0' && *p != '-') { |
601 |
if ((q - keybuf) < sizeof(keybuf) - 1) { |
602 |
*q++ = *p; |
603 |
} |
604 |
p++; |
605 |
} |
606 |
*q = '\0';
|
607 |
keycode = get_keycode(keybuf); |
608 |
if (keycode < 0) { |
609 |
term_printf("unknown key: '%s'\n", keybuf);
|
610 |
return;
|
611 |
} |
612 |
keycodes[nb_keycodes++] = keycode; |
613 |
if (*p == '\0') |
614 |
break;
|
615 |
p++; |
616 |
} |
617 |
/* key down events */
|
618 |
for(i = 0; i < nb_keycodes; i++) { |
619 |
keycode = keycodes[i]; |
620 |
if (keycode & 0x80) |
621 |
kbd_put_keycode(0xe0);
|
622 |
kbd_put_keycode(keycode & 0x7f);
|
623 |
} |
624 |
/* key up events */
|
625 |
for(i = nb_keycodes - 1; i >= 0; i--) { |
626 |
keycode = keycodes[i]; |
627 |
if (keycode & 0x80) |
628 |
kbd_put_keycode(0xe0);
|
629 |
kbd_put_keycode(keycode | 0x80);
|
630 |
} |
631 |
} |
632 |
|
633 |
static void do_ioport_read(int count, int format, int size, int addr, int has_index, int index) |
634 |
{ |
635 |
uint32_t val; |
636 |
int suffix;
|
637 |
|
638 |
if (has_index) {
|
639 |
cpu_outb(NULL, addr & 0xffff, index & 0xff); |
640 |
addr++; |
641 |
} |
642 |
addr &= 0xffff;
|
643 |
|
644 |
switch(size) {
|
645 |
default:
|
646 |
case 1: |
647 |
val = cpu_inb(NULL, addr);
|
648 |
suffix = 'b';
|
649 |
break;
|
650 |
case 2: |
651 |
val = cpu_inw(NULL, addr);
|
652 |
suffix = 'w';
|
653 |
break;
|
654 |
case 4: |
655 |
val = cpu_inl(NULL, addr);
|
656 |
suffix = 'l';
|
657 |
break;
|
658 |
} |
659 |
term_printf("port%c[0x%04x] = %#0*x\n",
|
660 |
suffix, addr, size * 2, val);
|
661 |
} |
662 |
|
663 |
static term_cmd_t term_cmds[] = {
|
664 |
{ "help|?", "s?", do_help, |
665 |
"[cmd]", "show the help" }, |
666 |
{ "commit", "", do_commit, |
667 |
"", "commit changes to the disk images (if -snapshot is used)" }, |
668 |
{ "info", "s?", do_info, |
669 |
"subcommand", "show various information about the system state" }, |
670 |
{ "q|quit", "", do_quit, |
671 |
"", "quit the emulator" }, |
672 |
{ "eject", "-fs", do_eject, |
673 |
"[-f] device", "eject a removable media (use -f to force it)" }, |
674 |
{ "change", "sF", do_change, |
675 |
"device filename", "change a removable media" }, |
676 |
{ "screendump", "F", do_screen_dump, |
677 |
"filename", "save screen into PPM image 'filename'" }, |
678 |
{ "log", "s", do_log, |
679 |
"item1[,...]", "activate logging of the specified items to '/tmp/qemu.log'" }, |
680 |
{ "savevm", "F", do_savevm, |
681 |
"filename", "save the whole virtual machine state to 'filename'" }, |
682 |
{ "loadvm", "F", do_loadvm, |
683 |
"filename", "restore the whole virtual machine state from 'filename'" }, |
684 |
{ "stop", "", do_stop, |
685 |
"", "stop emulation", }, |
686 |
{ "c|cont", "", do_cont, |
687 |
"", "resume emulation", }, |
688 |
#ifdef CONFIG_GDBSTUB
|
689 |
{ "gdbserver", "i?", do_gdbserver, |
690 |
"[port]", "start gdbserver session (default port=1234)", }, |
691 |
#endif
|
692 |
{ "x", "/i", do_memory_dump, |
693 |
"/fmt addr", "virtual memory dump starting at 'addr'", }, |
694 |
{ "xp", "/i", do_physical_memory_dump, |
695 |
"/fmt addr", "physical memory dump starting at 'addr'", }, |
696 |
{ "p|print", "/i", do_print, |
697 |
"/fmt expr", "print expression value (use $reg for CPU register access)", }, |
698 |
{ "i", "/ii.", do_ioport_read, |
699 |
"/fmt addr", "I/O port read" }, |
700 |
|
701 |
{ "sendkey", "s", do_send_key, |
702 |
"keys", "send keys to the VM (e.g. 'sendkey ctrl-alt-f1')" }, |
703 |
{ NULL, NULL, }, |
704 |
}; |
705 |
|
706 |
static term_cmd_t info_cmds[] = {
|
707 |
{ "network", "", do_info_network, |
708 |
"", "show the network state" }, |
709 |
{ "block", "", do_info_block, |
710 |
"", "show the block devices" }, |
711 |
{ "registers", "", do_info_registers, |
712 |
"", "show the cpu registers" }, |
713 |
{ "history", "", do_info_history, |
714 |
"", "show the command line history", }, |
715 |
{ "irq", "", irq_info, |
716 |
"", "show the interrupts statistics (if available)", }, |
717 |
{ "pic", "", pic_info, |
718 |
"", "show i8259 (PIC) state", }, |
719 |
{ "pci", "", pci_info, |
720 |
"", "show PCI info", }, |
721 |
{ NULL, NULL, }, |
722 |
}; |
723 |
|
724 |
/*******************************************************************/
|
725 |
|
726 |
static const char *pch; |
727 |
static jmp_buf expr_env;
|
728 |
|
729 |
typedef struct MonitorDef { |
730 |
const char *name; |
731 |
int offset;
|
732 |
int (*get_value)(struct MonitorDef *md); |
733 |
} MonitorDef; |
734 |
|
735 |
#if defined(TARGET_I386)
|
736 |
static int monitor_get_pc (struct MonitorDef *md) |
737 |
{ |
738 |
return cpu_single_env->eip + (long)cpu_single_env->segs[R_CS].base; |
739 |
} |
740 |
#endif
|
741 |
|
742 |
#if defined(TARGET_PPC)
|
743 |
static int monitor_get_ccr (struct MonitorDef *md) |
744 |
{ |
745 |
unsigned int u; |
746 |
int i;
|
747 |
|
748 |
u = 0;
|
749 |
for (i = 0; i < 8; i++) |
750 |
u |= cpu_single_env->crf[i] << (32 - (4 * i)); |
751 |
|
752 |
return u;
|
753 |
} |
754 |
|
755 |
static int monitor_get_msr (struct MonitorDef *md) |
756 |
{ |
757 |
return (cpu_single_env->msr[MSR_POW] << MSR_POW) |
|
758 |
(cpu_single_env->msr[MSR_ILE] << MSR_ILE) | |
759 |
(cpu_single_env->msr[MSR_EE] << MSR_EE) | |
760 |
(cpu_single_env->msr[MSR_PR] << MSR_PR) | |
761 |
(cpu_single_env->msr[MSR_FP] << MSR_FP) | |
762 |
(cpu_single_env->msr[MSR_ME] << MSR_ME) | |
763 |
(cpu_single_env->msr[MSR_FE0] << MSR_FE0) | |
764 |
(cpu_single_env->msr[MSR_SE] << MSR_SE) | |
765 |
(cpu_single_env->msr[MSR_BE] << MSR_BE) | |
766 |
(cpu_single_env->msr[MSR_FE1] << MSR_FE1) | |
767 |
(cpu_single_env->msr[MSR_IP] << MSR_IP) | |
768 |
(cpu_single_env->msr[MSR_IR] << MSR_IR) | |
769 |
(cpu_single_env->msr[MSR_DR] << MSR_DR) | |
770 |
(cpu_single_env->msr[MSR_RI] << MSR_RI) | |
771 |
(cpu_single_env->msr[MSR_LE] << MSR_LE); |
772 |
} |
773 |
|
774 |
static int monitor_get_xer (struct MonitorDef *md) |
775 |
{ |
776 |
return (cpu_single_env->xer[XER_SO] << XER_SO) |
|
777 |
(cpu_single_env->xer[XER_OV] << XER_OV) | |
778 |
(cpu_single_env->xer[XER_CA] << XER_CA) | |
779 |
(cpu_single_env->xer[XER_BC] << XER_BC); |
780 |
} |
781 |
|
782 |
uint32_t cpu_ppc_load_decr (CPUState *env); |
783 |
static int monitor_get_decr (struct MonitorDef *md) |
784 |
{ |
785 |
return cpu_ppc_load_decr(cpu_single_env);
|
786 |
} |
787 |
|
788 |
uint32_t cpu_ppc_load_tbu (CPUState *env); |
789 |
static int monitor_get_tbu (struct MonitorDef *md) |
790 |
{ |
791 |
return cpu_ppc_load_tbu(cpu_single_env);
|
792 |
} |
793 |
|
794 |
uint32_t cpu_ppc_load_tbl (CPUState *env); |
795 |
static int monitor_get_tbl (struct MonitorDef *md) |
796 |
{ |
797 |
return cpu_ppc_load_tbl(cpu_single_env);
|
798 |
} |
799 |
#endif
|
800 |
|
801 |
static MonitorDef monitor_defs[] = {
|
802 |
#ifdef TARGET_I386
|
803 |
|
804 |
#define SEG(name, seg) \
|
805 |
{ name, offsetof(CPUState, segs[seg].selector) },\ |
806 |
{ name ".base", offsetof(CPUState, segs[seg].base) },\
|
807 |
{ name ".limit", offsetof(CPUState, segs[seg].limit) },
|
808 |
|
809 |
{ "eax", offsetof(CPUState, regs[0]) }, |
810 |
{ "ecx", offsetof(CPUState, regs[1]) }, |
811 |
{ "edx", offsetof(CPUState, regs[2]) }, |
812 |
{ "ebx", offsetof(CPUState, regs[3]) }, |
813 |
{ "esp|sp", offsetof(CPUState, regs[4]) }, |
814 |
{ "ebp|fp", offsetof(CPUState, regs[5]) }, |
815 |
{ "esi", offsetof(CPUState, regs[6]) }, |
816 |
{ "esi", offsetof(CPUState, regs[7]) }, |
817 |
{ "eflags", offsetof(CPUState, eflags) },
|
818 |
{ "eip", offsetof(CPUState, eip) },
|
819 |
SEG("cs", R_CS)
|
820 |
SEG("ds", R_DS)
|
821 |
SEG("es", R_ES)
|
822 |
SEG("fs", R_FS)
|
823 |
SEG("gs", R_GS)
|
824 |
{ "pc", 0, monitor_get_pc, }, |
825 |
#elif defined(TARGET_PPC)
|
826 |
{ "r0", offsetof(CPUState, gpr[0]) }, |
827 |
{ "r1", offsetof(CPUState, gpr[1]) }, |
828 |
{ "r2", offsetof(CPUState, gpr[2]) }, |
829 |
{ "r3", offsetof(CPUState, gpr[3]) }, |
830 |
{ "r4", offsetof(CPUState, gpr[4]) }, |
831 |
{ "r5", offsetof(CPUState, gpr[5]) }, |
832 |
{ "r6", offsetof(CPUState, gpr[6]) }, |
833 |
{ "r7", offsetof(CPUState, gpr[7]) }, |
834 |
{ "r8", offsetof(CPUState, gpr[8]) }, |
835 |
{ "r9", offsetof(CPUState, gpr[9]) }, |
836 |
{ "r10", offsetof(CPUState, gpr[10]) }, |
837 |
{ "r11", offsetof(CPUState, gpr[11]) }, |
838 |
{ "r12", offsetof(CPUState, gpr[12]) }, |
839 |
{ "r13", offsetof(CPUState, gpr[13]) }, |
840 |
{ "r14", offsetof(CPUState, gpr[14]) }, |
841 |
{ "r15", offsetof(CPUState, gpr[15]) }, |
842 |
{ "r16", offsetof(CPUState, gpr[16]) }, |
843 |
{ "r17", offsetof(CPUState, gpr[17]) }, |
844 |
{ "r18", offsetof(CPUState, gpr[18]) }, |
845 |
{ "r19", offsetof(CPUState, gpr[19]) }, |
846 |
{ "r20", offsetof(CPUState, gpr[20]) }, |
847 |
{ "r21", offsetof(CPUState, gpr[21]) }, |
848 |
{ "r22", offsetof(CPUState, gpr[22]) }, |
849 |
{ "r23", offsetof(CPUState, gpr[23]) }, |
850 |
{ "r24", offsetof(CPUState, gpr[24]) }, |
851 |
{ "r25", offsetof(CPUState, gpr[25]) }, |
852 |
{ "r26", offsetof(CPUState, gpr[26]) }, |
853 |
{ "r27", offsetof(CPUState, gpr[27]) }, |
854 |
{ "r28", offsetof(CPUState, gpr[28]) }, |
855 |
{ "r29", offsetof(CPUState, gpr[29]) }, |
856 |
{ "r30", offsetof(CPUState, gpr[30]) }, |
857 |
{ "r31", offsetof(CPUState, gpr[31]) }, |
858 |
{ "nip|pc", offsetof(CPUState, nip) },
|
859 |
{ "lr", offsetof(CPUState, lr) },
|
860 |
{ "ctr", offsetof(CPUState, ctr) },
|
861 |
{ "decr", 0, &monitor_get_decr, }, |
862 |
{ "ccr", 0, &monitor_get_ccr, }, |
863 |
{ "msr", 0, &monitor_get_msr, }, |
864 |
{ "xer", 0, &monitor_get_xer, }, |
865 |
{ "tbu", 0, &monitor_get_tbu, }, |
866 |
{ "tbl", 0, &monitor_get_tbl, }, |
867 |
{ "sdr1", offsetof(CPUState, sdr1) },
|
868 |
{ "sr0", offsetof(CPUState, sr[0]) }, |
869 |
{ "sr1", offsetof(CPUState, sr[1]) }, |
870 |
{ "sr2", offsetof(CPUState, sr[2]) }, |
871 |
{ "sr3", offsetof(CPUState, sr[3]) }, |
872 |
{ "sr4", offsetof(CPUState, sr[4]) }, |
873 |
{ "sr5", offsetof(CPUState, sr[5]) }, |
874 |
{ "sr6", offsetof(CPUState, sr[6]) }, |
875 |
{ "sr7", offsetof(CPUState, sr[7]) }, |
876 |
{ "sr8", offsetof(CPUState, sr[8]) }, |
877 |
{ "sr9", offsetof(CPUState, sr[9]) }, |
878 |
{ "sr10", offsetof(CPUState, sr[10]) }, |
879 |
{ "sr11", offsetof(CPUState, sr[11]) }, |
880 |
{ "sr12", offsetof(CPUState, sr[12]) }, |
881 |
{ "sr13", offsetof(CPUState, sr[13]) }, |
882 |
{ "sr14", offsetof(CPUState, sr[14]) }, |
883 |
{ "sr15", offsetof(CPUState, sr[15]) }, |
884 |
/* Too lazy to put BATs and SPRs ... */
|
885 |
#endif
|
886 |
{ NULL },
|
887 |
}; |
888 |
|
889 |
static void expr_error(const char *fmt) |
890 |
{ |
891 |
term_printf(fmt); |
892 |
term_printf("\n");
|
893 |
longjmp(expr_env, 1);
|
894 |
} |
895 |
|
896 |
static int get_monitor_def(int *pval, const char *name) |
897 |
{ |
898 |
MonitorDef *md; |
899 |
for(md = monitor_defs; md->name != NULL; md++) { |
900 |
if (compare_cmd(name, md->name)) {
|
901 |
if (md->get_value) {
|
902 |
*pval = md->get_value(md); |
903 |
} else {
|
904 |
*pval = *(uint32_t *)((uint8_t *)cpu_single_env + md->offset); |
905 |
} |
906 |
return 0; |
907 |
} |
908 |
} |
909 |
return -1; |
910 |
} |
911 |
|
912 |
static void next(void) |
913 |
{ |
914 |
if (pch != '\0') { |
915 |
pch++; |
916 |
while (isspace(*pch))
|
917 |
pch++; |
918 |
} |
919 |
} |
920 |
|
921 |
static int expr_sum(void); |
922 |
|
923 |
static int expr_unary(void) |
924 |
{ |
925 |
int n;
|
926 |
char *p;
|
927 |
|
928 |
switch(*pch) {
|
929 |
case '+': |
930 |
next(); |
931 |
n = expr_unary(); |
932 |
break;
|
933 |
case '-': |
934 |
next(); |
935 |
n = -expr_unary(); |
936 |
break;
|
937 |
case '~': |
938 |
next(); |
939 |
n = ~expr_unary(); |
940 |
break;
|
941 |
case '(': |
942 |
next(); |
943 |
n = expr_sum(); |
944 |
if (*pch != ')') { |
945 |
expr_error("')' expected");
|
946 |
} |
947 |
next(); |
948 |
break;
|
949 |
case '$': |
950 |
{ |
951 |
char buf[128], *q; |
952 |
|
953 |
pch++; |
954 |
q = buf; |
955 |
while ((*pch >= 'a' && *pch <= 'z') || |
956 |
(*pch >= 'A' && *pch <= 'Z') || |
957 |
(*pch >= '0' && *pch <= '9') || |
958 |
*pch == '_' || *pch == '.') { |
959 |
if ((q - buf) < sizeof(buf) - 1) |
960 |
*q++ = *pch; |
961 |
pch++; |
962 |
} |
963 |
while (isspace(*pch))
|
964 |
pch++; |
965 |
*q = 0;
|
966 |
if (get_monitor_def(&n, buf))
|
967 |
expr_error("unknown register");
|
968 |
} |
969 |
break;
|
970 |
case '\0': |
971 |
expr_error("unexpected end of expression");
|
972 |
n = 0;
|
973 |
break;
|
974 |
default:
|
975 |
n = strtoul(pch, &p, 0);
|
976 |
if (pch == p) {
|
977 |
expr_error("invalid char in expression");
|
978 |
} |
979 |
pch = p; |
980 |
while (isspace(*pch))
|
981 |
pch++; |
982 |
break;
|
983 |
} |
984 |
return n;
|
985 |
} |
986 |
|
987 |
|
988 |
static int expr_prod(void) |
989 |
{ |
990 |
int val, val2, op;
|
991 |
|
992 |
val = expr_unary(); |
993 |
for(;;) {
|
994 |
op = *pch; |
995 |
if (op != '*' && op != '/' && op != '%') |
996 |
break;
|
997 |
next(); |
998 |
val2 = expr_unary(); |
999 |
switch(op) {
|
1000 |
default:
|
1001 |
case '*': |
1002 |
val *= val2; |
1003 |
break;
|
1004 |
case '/': |
1005 |
case '%': |
1006 |
if (val2 == 0) |
1007 |
expr_error("division by zero");
|
1008 |
if (op == '/') |
1009 |
val /= val2; |
1010 |
else
|
1011 |
val %= val2; |
1012 |
break;
|
1013 |
} |
1014 |
} |
1015 |
return val;
|
1016 |
} |
1017 |
|
1018 |
static int expr_logic(void) |
1019 |
{ |
1020 |
int val, val2, op;
|
1021 |
|
1022 |
val = expr_prod(); |
1023 |
for(;;) {
|
1024 |
op = *pch; |
1025 |
if (op != '&' && op != '|' && op != '^') |
1026 |
break;
|
1027 |
next(); |
1028 |
val2 = expr_prod(); |
1029 |
switch(op) {
|
1030 |
default:
|
1031 |
case '&': |
1032 |
val &= val2; |
1033 |
break;
|
1034 |
case '|': |
1035 |
val |= val2; |
1036 |
break;
|
1037 |
case '^': |
1038 |
val ^= val2; |
1039 |
break;
|
1040 |
} |
1041 |
} |
1042 |
return val;
|
1043 |
} |
1044 |
|
1045 |
static int expr_sum(void) |
1046 |
{ |
1047 |
int val, val2, op;
|
1048 |
|
1049 |
val = expr_logic(); |
1050 |
for(;;) {
|
1051 |
op = *pch; |
1052 |
if (op != '+' && op != '-') |
1053 |
break;
|
1054 |
next(); |
1055 |
val2 = expr_logic(); |
1056 |
if (op == '+') |
1057 |
val += val2; |
1058 |
else
|
1059 |
val -= val2; |
1060 |
} |
1061 |
return val;
|
1062 |
} |
1063 |
|
1064 |
static int get_expr(int *pval, const char **pp) |
1065 |
{ |
1066 |
pch = *pp; |
1067 |
if (setjmp(expr_env)) {
|
1068 |
*pp = pch; |
1069 |
return -1; |
1070 |
} |
1071 |
while (isspace(*pch))
|
1072 |
pch++; |
1073 |
*pval = expr_sum(); |
1074 |
*pp = pch; |
1075 |
return 0; |
1076 |
} |
1077 |
|
1078 |
static int get_str(char *buf, int buf_size, const char **pp) |
1079 |
{ |
1080 |
const char *p; |
1081 |
char *q;
|
1082 |
int c;
|
1083 |
|
1084 |
p = *pp; |
1085 |
while (isspace(*p))
|
1086 |
p++; |
1087 |
if (*p == '\0') { |
1088 |
fail:
|
1089 |
*pp = p; |
1090 |
return -1; |
1091 |
} |
1092 |
q = buf; |
1093 |
if (*p == '\"') { |
1094 |
p++; |
1095 |
while (*p != '\0' && *p != '\"') { |
1096 |
if (*p == '\\') { |
1097 |
p++; |
1098 |
c = *p++; |
1099 |
switch(c) {
|
1100 |
case 'n': |
1101 |
c = '\n';
|
1102 |
break;
|
1103 |
case 'r': |
1104 |
c = '\r';
|
1105 |
break;
|
1106 |
case '\\': |
1107 |
case '\'': |
1108 |
case '\"': |
1109 |
break;
|
1110 |
default:
|
1111 |
qemu_printf("unsupported escape code: '\\%c'\n", c);
|
1112 |
goto fail;
|
1113 |
} |
1114 |
if ((q - buf) < buf_size - 1) { |
1115 |
*q++ = c; |
1116 |
} |
1117 |
} else {
|
1118 |
if ((q - buf) < buf_size - 1) { |
1119 |
*q++ = *p; |
1120 |
} |
1121 |
p++; |
1122 |
} |
1123 |
} |
1124 |
if (*p != '\"') { |
1125 |
qemu_printf("unterminated string\n");
|
1126 |
goto fail;
|
1127 |
} |
1128 |
p++; |
1129 |
} else {
|
1130 |
while (*p != '\0' && !isspace(*p)) { |
1131 |
if ((q - buf) < buf_size - 1) { |
1132 |
*q++ = *p; |
1133 |
} |
1134 |
p++; |
1135 |
} |
1136 |
*q = '\0';
|
1137 |
} |
1138 |
*pp = p; |
1139 |
return 0; |
1140 |
} |
1141 |
|
1142 |
static int default_fmt_format = 'x'; |
1143 |
static int default_fmt_size = 4; |
1144 |
|
1145 |
#define MAX_ARGS 16 |
1146 |
|
1147 |
static void term_handle_command(const char *cmdline) |
1148 |
{ |
1149 |
const char *p, *pstart, *typestr; |
1150 |
char *q;
|
1151 |
int c, nb_args, len, i, has_arg;
|
1152 |
term_cmd_t *cmd; |
1153 |
char cmdname[256]; |
1154 |
char buf[1024]; |
1155 |
void *str_allocated[MAX_ARGS];
|
1156 |
void *args[MAX_ARGS];
|
1157 |
|
1158 |
#ifdef DEBUG
|
1159 |
term_printf("command='%s'\n", cmdline);
|
1160 |
#endif
|
1161 |
|
1162 |
/* extract the command name */
|
1163 |
p = cmdline; |
1164 |
q = cmdname; |
1165 |
while (isspace(*p))
|
1166 |
p++; |
1167 |
if (*p == '\0') |
1168 |
return;
|
1169 |
pstart = p; |
1170 |
while (*p != '\0' && *p != '/' && !isspace(*p)) |
1171 |
p++; |
1172 |
len = p - pstart; |
1173 |
if (len > sizeof(cmdname) - 1) |
1174 |
len = sizeof(cmdname) - 1; |
1175 |
memcpy(cmdname, pstart, len); |
1176 |
cmdname[len] = '\0';
|
1177 |
|
1178 |
/* find the command */
|
1179 |
for(cmd = term_cmds; cmd->name != NULL; cmd++) { |
1180 |
if (compare_cmd(cmdname, cmd->name))
|
1181 |
goto found;
|
1182 |
} |
1183 |
term_printf("unknown command: '%s'\n", cmdname);
|
1184 |
return;
|
1185 |
found:
|
1186 |
|
1187 |
for(i = 0; i < MAX_ARGS; i++) |
1188 |
str_allocated[i] = NULL;
|
1189 |
|
1190 |
/* parse the parameters */
|
1191 |
typestr = cmd->args_type; |
1192 |
nb_args = 0;
|
1193 |
for(;;) {
|
1194 |
c = *typestr; |
1195 |
if (c == '\0') |
1196 |
break;
|
1197 |
typestr++; |
1198 |
switch(c) {
|
1199 |
case 'F': |
1200 |
case 's': |
1201 |
{ |
1202 |
int ret;
|
1203 |
char *str;
|
1204 |
|
1205 |
while (isspace(*p))
|
1206 |
p++; |
1207 |
if (*typestr == '?') { |
1208 |
typestr++; |
1209 |
if (*p == '\0') { |
1210 |
/* no optional string: NULL argument */
|
1211 |
str = NULL;
|
1212 |
goto add_str;
|
1213 |
} |
1214 |
} |
1215 |
ret = get_str(buf, sizeof(buf), &p);
|
1216 |
if (ret < 0) { |
1217 |
if (c == 'F') |
1218 |
term_printf("%s: filename expected\n", cmdname);
|
1219 |
else
|
1220 |
term_printf("%s: string expected\n", cmdname);
|
1221 |
goto fail;
|
1222 |
} |
1223 |
str = qemu_malloc(strlen(buf) + 1);
|
1224 |
strcpy(str, buf); |
1225 |
str_allocated[nb_args] = str; |
1226 |
add_str:
|
1227 |
if (nb_args >= MAX_ARGS) {
|
1228 |
error_args:
|
1229 |
term_printf("%s: too many arguments\n", cmdname);
|
1230 |
goto fail;
|
1231 |
} |
1232 |
args[nb_args++] = str; |
1233 |
} |
1234 |
break;
|
1235 |
case '/': |
1236 |
{ |
1237 |
int count, format, size;
|
1238 |
|
1239 |
while (isspace(*p))
|
1240 |
p++; |
1241 |
if (*p == '/') { |
1242 |
/* format found */
|
1243 |
p++; |
1244 |
count = 1;
|
1245 |
if (isdigit(*p)) {
|
1246 |
count = 0;
|
1247 |
while (isdigit(*p)) {
|
1248 |
count = count * 10 + (*p - '0'); |
1249 |
p++; |
1250 |
} |
1251 |
} |
1252 |
size = -1;
|
1253 |
format = -1;
|
1254 |
for(;;) {
|
1255 |
switch(*p) {
|
1256 |
case 'o': |
1257 |
case 'd': |
1258 |
case 'u': |
1259 |
case 'x': |
1260 |
case 'i': |
1261 |
case 'c': |
1262 |
format = *p++; |
1263 |
break;
|
1264 |
case 'b': |
1265 |
size = 1;
|
1266 |
p++; |
1267 |
break;
|
1268 |
case 'h': |
1269 |
size = 2;
|
1270 |
p++; |
1271 |
break;
|
1272 |
case 'w': |
1273 |
size = 4;
|
1274 |
p++; |
1275 |
break;
|
1276 |
case 'g': |
1277 |
case 'L': |
1278 |
size = 8;
|
1279 |
p++; |
1280 |
break;
|
1281 |
default:
|
1282 |
goto next;
|
1283 |
} |
1284 |
} |
1285 |
next:
|
1286 |
if (*p != '\0' && !isspace(*p)) { |
1287 |
term_printf("invalid char in format: '%c'\n", *p);
|
1288 |
goto fail;
|
1289 |
} |
1290 |
if (format < 0) |
1291 |
format = default_fmt_format; |
1292 |
if (format != 'i') { |
1293 |
/* for 'i', not specifying a size gives -1 as size */
|
1294 |
if (size < 0) |
1295 |
size = default_fmt_size; |
1296 |
} |
1297 |
default_fmt_size = size; |
1298 |
default_fmt_format = format; |
1299 |
} else {
|
1300 |
count = 1;
|
1301 |
format = default_fmt_format; |
1302 |
if (format != 'i') { |
1303 |
size = default_fmt_size; |
1304 |
} else {
|
1305 |
size = -1;
|
1306 |
} |
1307 |
} |
1308 |
if (nb_args + 3 > MAX_ARGS) |
1309 |
goto error_args;
|
1310 |
args[nb_args++] = (void*)count;
|
1311 |
args[nb_args++] = (void*)format;
|
1312 |
args[nb_args++] = (void*)size;
|
1313 |
} |
1314 |
break;
|
1315 |
case 'i': |
1316 |
{ |
1317 |
int val;
|
1318 |
while (isspace(*p))
|
1319 |
p++; |
1320 |
if (*typestr == '?' || *typestr == '.') { |
1321 |
typestr++; |
1322 |
if (*typestr == '?') { |
1323 |
if (*p == '\0') |
1324 |
has_arg = 0;
|
1325 |
else
|
1326 |
has_arg = 1;
|
1327 |
} else {
|
1328 |
if (*p == '.') { |
1329 |
p++; |
1330 |
while (isspace(*p))
|
1331 |
p++; |
1332 |
has_arg = 1;
|
1333 |
} else {
|
1334 |
has_arg = 0;
|
1335 |
} |
1336 |
} |
1337 |
if (nb_args >= MAX_ARGS)
|
1338 |
goto error_args;
|
1339 |
args[nb_args++] = (void *)has_arg;
|
1340 |
if (!has_arg) {
|
1341 |
if (nb_args >= MAX_ARGS)
|
1342 |
goto error_args;
|
1343 |
val = -1;
|
1344 |
goto add_num;
|
1345 |
} |
1346 |
} |
1347 |
if (get_expr(&val, &p))
|
1348 |
goto fail;
|
1349 |
add_num:
|
1350 |
if (nb_args >= MAX_ARGS)
|
1351 |
goto error_args;
|
1352 |
args[nb_args++] = (void *)val;
|
1353 |
} |
1354 |
break;
|
1355 |
case '-': |
1356 |
{ |
1357 |
int has_option;
|
1358 |
/* option */
|
1359 |
|
1360 |
c = *typestr++; |
1361 |
if (c == '\0') |
1362 |
goto bad_type;
|
1363 |
while (isspace(*p))
|
1364 |
p++; |
1365 |
has_option = 0;
|
1366 |
if (*p == '-') { |
1367 |
p++; |
1368 |
if (*p != c) {
|
1369 |
term_printf("%s: unsupported option -%c\n",
|
1370 |
cmdname, *p); |
1371 |
goto fail;
|
1372 |
} |
1373 |
p++; |
1374 |
has_option = 1;
|
1375 |
} |
1376 |
if (nb_args >= MAX_ARGS)
|
1377 |
goto error_args;
|
1378 |
args[nb_args++] = (void *)has_option;
|
1379 |
} |
1380 |
break;
|
1381 |
default:
|
1382 |
bad_type:
|
1383 |
term_printf("%s: unknown type '%c'\n", cmdname, c);
|
1384 |
goto fail;
|
1385 |
} |
1386 |
} |
1387 |
/* check that all arguments were parsed */
|
1388 |
while (isspace(*p))
|
1389 |
p++; |
1390 |
if (*p != '\0') { |
1391 |
term_printf("%s: extraneous characters at the end of line\n",
|
1392 |
cmdname); |
1393 |
goto fail;
|
1394 |
} |
1395 |
|
1396 |
switch(nb_args) {
|
1397 |
case 0: |
1398 |
cmd->handler(); |
1399 |
break;
|
1400 |
case 1: |
1401 |
cmd->handler(args[0]);
|
1402 |
break;
|
1403 |
case 2: |
1404 |
cmd->handler(args[0], args[1]); |
1405 |
break;
|
1406 |
case 3: |
1407 |
cmd->handler(args[0], args[1], args[2]); |
1408 |
break;
|
1409 |
case 4: |
1410 |
cmd->handler(args[0], args[1], args[2], args[3]); |
1411 |
break;
|
1412 |
case 5: |
1413 |
cmd->handler(args[0], args[1], args[2], args[3], args[4]); |
1414 |
break;
|
1415 |
case 6: |
1416 |
cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5]); |
1417 |
break;
|
1418 |
default:
|
1419 |
term_printf("unsupported number of arguments: %d\n", nb_args);
|
1420 |
goto fail;
|
1421 |
} |
1422 |
fail:
|
1423 |
for(i = 0; i < MAX_ARGS; i++) |
1424 |
qemu_free(str_allocated[i]); |
1425 |
return;
|
1426 |
} |
1427 |
|
1428 |
static void term_show_prompt(void) |
1429 |
{ |
1430 |
term_printf("(qemu) ");
|
1431 |
fflush(stdout); |
1432 |
term_cmd_buf_index = 0;
|
1433 |
term_cmd_buf_size = 0;
|
1434 |
term_esc_state = IS_NORM; |
1435 |
} |
1436 |
|
1437 |
static void term_print_cmdline (const char *cmdline) |
1438 |
{ |
1439 |
term_show_prompt(); |
1440 |
term_printf("%s", cmdline);
|
1441 |
term_flush(); |
1442 |
} |
1443 |
|
1444 |
static void term_insert_char(int ch) |
1445 |
{ |
1446 |
if (term_cmd_buf_index < TERM_CMD_BUF_SIZE) {
|
1447 |
memmove(term_cmd_buf + term_cmd_buf_index + 1,
|
1448 |
term_cmd_buf + term_cmd_buf_index, |
1449 |
term_cmd_buf_size - term_cmd_buf_index); |
1450 |
term_cmd_buf[term_cmd_buf_index] = ch; |
1451 |
term_cmd_buf_size++; |
1452 |
term_printf("\033[@%c", ch);
|
1453 |
term_cmd_buf_index++; |
1454 |
term_flush(); |
1455 |
} |
1456 |
} |
1457 |
|
1458 |
static void term_backward_char(void) |
1459 |
{ |
1460 |
if (term_cmd_buf_index > 0) { |
1461 |
term_cmd_buf_index--; |
1462 |
term_printf("\033[D");
|
1463 |
term_flush(); |
1464 |
} |
1465 |
} |
1466 |
|
1467 |
static void term_forward_char(void) |
1468 |
{ |
1469 |
if (term_cmd_buf_index < term_cmd_buf_size) {
|
1470 |
term_cmd_buf_index++; |
1471 |
term_printf("\033[C");
|
1472 |
term_flush(); |
1473 |
} |
1474 |
} |
1475 |
|
1476 |
static void term_delete_char(void) |
1477 |
{ |
1478 |
if (term_cmd_buf_index < term_cmd_buf_size) {
|
1479 |
memmove(term_cmd_buf + term_cmd_buf_index, |
1480 |
term_cmd_buf + term_cmd_buf_index + 1,
|
1481 |
term_cmd_buf_size - term_cmd_buf_index - 1);
|
1482 |
term_printf("\033[P");
|
1483 |
term_cmd_buf_size--; |
1484 |
term_flush(); |
1485 |
} |
1486 |
} |
1487 |
|
1488 |
static void term_backspace(void) |
1489 |
{ |
1490 |
if (term_cmd_buf_index > 0) { |
1491 |
term_backward_char(); |
1492 |
term_delete_char(); |
1493 |
} |
1494 |
} |
1495 |
|
1496 |
static void term_bol(void) |
1497 |
{ |
1498 |
while (term_cmd_buf_index > 0) |
1499 |
term_backward_char(); |
1500 |
} |
1501 |
|
1502 |
static void term_eol(void) |
1503 |
{ |
1504 |
while (term_cmd_buf_index < term_cmd_buf_size)
|
1505 |
term_forward_char(); |
1506 |
} |
1507 |
|
1508 |
static void term_up_char(void) |
1509 |
{ |
1510 |
int idx;
|
1511 |
|
1512 |
if (term_hist_entry == 0) |
1513 |
return;
|
1514 |
if (term_hist_entry == -1) { |
1515 |
/* Find latest entry */
|
1516 |
for (idx = 0; idx < TERM_MAX_CMDS; idx++) { |
1517 |
if (term_history[idx] == NULL) |
1518 |
break;
|
1519 |
} |
1520 |
term_hist_entry = idx; |
1521 |
} |
1522 |
term_hist_entry--; |
1523 |
if (term_hist_entry >= 0) { |
1524 |
pstrcpy(term_cmd_buf, sizeof(term_cmd_buf),
|
1525 |
term_history[term_hist_entry]); |
1526 |
term_printf("\n");
|
1527 |
term_print_cmdline(term_cmd_buf); |
1528 |
term_cmd_buf_index = term_cmd_buf_size = strlen(term_cmd_buf); |
1529 |
} |
1530 |
} |
1531 |
|
1532 |
static void term_down_char(void) |
1533 |
{ |
1534 |
if (term_hist_entry == TERM_MAX_CMDS - 1 || term_hist_entry == -1) |
1535 |
return;
|
1536 |
if (term_history[++term_hist_entry] != NULL) { |
1537 |
pstrcpy(term_cmd_buf, sizeof(term_cmd_buf),
|
1538 |
term_history[term_hist_entry]); |
1539 |
} else {
|
1540 |
term_hist_entry = -1;
|
1541 |
} |
1542 |
term_printf("\n");
|
1543 |
term_print_cmdline(term_cmd_buf); |
1544 |
term_cmd_buf_index = term_cmd_buf_size = strlen(term_cmd_buf); |
1545 |
} |
1546 |
|
1547 |
static void term_hist_add(const char *cmdline) |
1548 |
{ |
1549 |
char *hist_entry, *new_entry;
|
1550 |
int idx;
|
1551 |
|
1552 |
if (cmdline[0] == '\0') |
1553 |
return;
|
1554 |
new_entry = NULL;
|
1555 |
if (term_hist_entry != -1) { |
1556 |
/* We were editing an existing history entry: replace it */
|
1557 |
hist_entry = term_history[term_hist_entry]; |
1558 |
idx = term_hist_entry; |
1559 |
if (strcmp(hist_entry, cmdline) == 0) { |
1560 |
goto same_entry;
|
1561 |
} |
1562 |
} |
1563 |
/* Search cmdline in history buffers */
|
1564 |
for (idx = 0; idx < TERM_MAX_CMDS; idx++) { |
1565 |
hist_entry = term_history[idx]; |
1566 |
if (hist_entry == NULL) |
1567 |
break;
|
1568 |
if (strcmp(hist_entry, cmdline) == 0) { |
1569 |
same_entry:
|
1570 |
new_entry = hist_entry; |
1571 |
/* Put this entry at the end of history */
|
1572 |
memmove(&term_history[idx], &term_history[idx + 1],
|
1573 |
&term_history[TERM_MAX_CMDS] - &term_history[idx + 1]);
|
1574 |
term_history[TERM_MAX_CMDS - 1] = NULL; |
1575 |
for (; idx < TERM_MAX_CMDS; idx++) {
|
1576 |
if (term_history[idx] == NULL) |
1577 |
break;
|
1578 |
} |
1579 |
break;
|
1580 |
} |
1581 |
} |
1582 |
if (idx == TERM_MAX_CMDS) {
|
1583 |
/* Need to get one free slot */
|
1584 |
free(term_history[0]);
|
1585 |
memcpy(term_history, &term_history[1],
|
1586 |
&term_history[TERM_MAX_CMDS] - &term_history[1]);
|
1587 |
term_history[TERM_MAX_CMDS - 1] = NULL; |
1588 |
idx = TERM_MAX_CMDS - 1;
|
1589 |
} |
1590 |
if (new_entry == NULL) |
1591 |
new_entry = strdup(cmdline); |
1592 |
term_history[idx] = new_entry; |
1593 |
term_hist_entry = -1;
|
1594 |
} |
1595 |
|
1596 |
/* return true if command handled */
|
1597 |
static void term_handle_byte(int ch) |
1598 |
{ |
1599 |
switch(term_esc_state) {
|
1600 |
case IS_NORM:
|
1601 |
switch(ch) {
|
1602 |
case 1: |
1603 |
term_bol(); |
1604 |
break;
|
1605 |
case 5: |
1606 |
term_eol(); |
1607 |
break;
|
1608 |
case 10: |
1609 |
case 13: |
1610 |
term_cmd_buf[term_cmd_buf_size] = '\0';
|
1611 |
term_hist_add(term_cmd_buf); |
1612 |
term_printf("\n");
|
1613 |
term_handle_command(term_cmd_buf); |
1614 |
term_show_prompt(); |
1615 |
break;
|
1616 |
case 27: |
1617 |
term_esc_state = IS_ESC; |
1618 |
break;
|
1619 |
case 127: |
1620 |
case 8: |
1621 |
term_backspace(); |
1622 |
break;
|
1623 |
case 155: |
1624 |
term_esc_state = IS_CSI; |
1625 |
break;
|
1626 |
default:
|
1627 |
if (ch >= 32) { |
1628 |
term_insert_char(ch); |
1629 |
} |
1630 |
break;
|
1631 |
} |
1632 |
break;
|
1633 |
case IS_ESC:
|
1634 |
if (ch == '[') { |
1635 |
term_esc_state = IS_CSI; |
1636 |
term_esc_param = 0;
|
1637 |
} else {
|
1638 |
term_esc_state = IS_NORM; |
1639 |
} |
1640 |
break;
|
1641 |
case IS_CSI:
|
1642 |
switch(ch) {
|
1643 |
case 'A': |
1644 |
case 'F': |
1645 |
term_up_char(); |
1646 |
break;
|
1647 |
case 'B': |
1648 |
case 'E': |
1649 |
term_down_char(); |
1650 |
break;
|
1651 |
case 'D': |
1652 |
term_backward_char(); |
1653 |
break;
|
1654 |
case 'C': |
1655 |
term_forward_char(); |
1656 |
break;
|
1657 |
case '0' ... '9': |
1658 |
term_esc_param = term_esc_param * 10 + (ch - '0'); |
1659 |
goto the_end;
|
1660 |
case '~': |
1661 |
switch(term_esc_param) {
|
1662 |
case 1: |
1663 |
term_bol(); |
1664 |
break;
|
1665 |
case 3: |
1666 |
term_delete_char(); |
1667 |
break;
|
1668 |
case 4: |
1669 |
term_eol(); |
1670 |
break;
|
1671 |
} |
1672 |
break;
|
1673 |
default:
|
1674 |
break;
|
1675 |
} |
1676 |
term_esc_state = IS_NORM; |
1677 |
the_end:
|
1678 |
break;
|
1679 |
} |
1680 |
} |
1681 |
|
1682 |
/*************************************************************/
|
1683 |
/* serial console support */
|
1684 |
|
1685 |
#define TERM_ESCAPE 0x01 /* ctrl-a is used for escape */ |
1686 |
|
1687 |
static int term_got_escape, term_command; |
1688 |
|
1689 |
void term_print_help(void) |
1690 |
{ |
1691 |
term_printf("\n"
|
1692 |
"C-a h print this help\n"
|
1693 |
"C-a x exit emulatior\n"
|
1694 |
"C-a s save disk data back to file (if -snapshot)\n"
|
1695 |
"C-a b send break (magic sysrq)\n"
|
1696 |
"C-a c switch between console and monitor\n"
|
1697 |
"C-a C-a send C-a\n"
|
1698 |
); |
1699 |
} |
1700 |
|
1701 |
/* called when a char is received */
|
1702 |
static void term_received_byte(int ch) |
1703 |
{ |
1704 |
if (!serial_console) {
|
1705 |
/* if no serial console, handle every command */
|
1706 |
term_handle_byte(ch); |
1707 |
} else {
|
1708 |
if (term_got_escape) {
|
1709 |
term_got_escape = 0;
|
1710 |
switch(ch) {
|
1711 |
case 'h': |
1712 |
term_print_help(); |
1713 |
break;
|
1714 |
case 'x': |
1715 |
exit(0);
|
1716 |
break;
|
1717 |
case 's': |
1718 |
{ |
1719 |
int i;
|
1720 |
for (i = 0; i < MAX_DISKS; i++) { |
1721 |
if (bs_table[i])
|
1722 |
bdrv_commit(bs_table[i]); |
1723 |
} |
1724 |
} |
1725 |
break;
|
1726 |
case 'b': |
1727 |
if (serial_console)
|
1728 |
serial_receive_break(serial_console); |
1729 |
break;
|
1730 |
case 'c': |
1731 |
if (!term_command) {
|
1732 |
term_show_prompt(); |
1733 |
term_command = 1;
|
1734 |
} else {
|
1735 |
term_command = 0;
|
1736 |
} |
1737 |
break;
|
1738 |
case TERM_ESCAPE:
|
1739 |
goto send_char;
|
1740 |
} |
1741 |
} else if (ch == TERM_ESCAPE) { |
1742 |
term_got_escape = 1;
|
1743 |
} else {
|
1744 |
send_char:
|
1745 |
if (term_command) {
|
1746 |
term_handle_byte(ch); |
1747 |
} else {
|
1748 |
if (serial_console)
|
1749 |
serial_receive_byte(serial_console, ch); |
1750 |
} |
1751 |
} |
1752 |
} |
1753 |
} |
1754 |
|
1755 |
static int term_can_read(void *opaque) |
1756 |
{ |
1757 |
if (serial_console) {
|
1758 |
return serial_can_receive(serial_console);
|
1759 |
} else {
|
1760 |
return 128; |
1761 |
} |
1762 |
} |
1763 |
|
1764 |
static void term_read(void *opaque, const uint8_t *buf, int size) |
1765 |
{ |
1766 |
int i;
|
1767 |
for(i = 0; i < size; i++) |
1768 |
term_received_byte(buf[i]); |
1769 |
} |
1770 |
|
1771 |
void monitor_init(void) |
1772 |
{ |
1773 |
if (!serial_console) {
|
1774 |
term_printf("QEMU %s monitor - type 'help' for more information\n",
|
1775 |
QEMU_VERSION); |
1776 |
term_show_prompt(); |
1777 |
} |
1778 |
term_hist_entry = -1;
|
1779 |
qemu_add_fd_read_handler(0, term_can_read, term_read, NULL); |
1780 |
} |