* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
-#include <stdlib.h>
-#include <stdio.h>
-#include <stdarg.h>
-#include <string.h>
-#include <getopt.h>
-#include <inttypes.h>
-#include <unistd.h>
-#include <sys/mman.h>
-#include <fcntl.h>
-#include <signal.h>
-#include <time.h>
-#include <sys/time.h>
-#include <malloc.h>
-#include <termios.h>
-#include <sys/poll.h>
-#include <errno.h>
-#include <ctype.h>
-
-#include "cpu.h"
#include "vl.h"
+#include "disas.h"
//#define DEBUG
+#ifndef offsetof
+#define offsetof(type, field) ((size_t) &((type *)0)->field)
+#endif
+
#define TERM_CMD_BUF_SIZE 4095
-#define MAX_ARGS 64
+#define TERM_MAX_CMDS 64
#define IS_NORM 0
#define IS_ESC 1
static int term_esc_state;
static int term_esc_param;
+static char *term_history[TERM_MAX_CMDS];
+static int term_hist_entry;
+
+/*
+ * Supported types:
+ *
+ * 'F' filename
+ * 's' string (accept optional quote)
+ * 'i' integer
+ * '/' optional gdb-like print format (like "/10x")
+ *
+ * '?' optional type (for 'F', 's' and 'i')
+ *
+ */
+
typedef struct term_cmd_t {
const char *name;
- void (*handler)(int argc, const char **argv);
+ const char *args_type;
+ void (*handler)();
const char *params;
const char *help;
} term_cmd_t;
help_cmd1(info_cmds, "info ", NULL);
} else {
help_cmd1(term_cmds, "", name);
+ if (name && !strcmp(name, "log")) {
+ CPULogItem *item;
+ term_printf("Log items (comma separated):\n");
+ term_printf("%-10s %s\n", "none", "remove all logs");
+ for(item = cpu_log_items; item->mask != 0; item++) {
+ term_printf("%-10s %s\n", item->name, item->help);
+ }
+ }
}
}
-static void do_help(int argc, const char **argv)
+static void do_help(const char *name)
{
- help_cmd(argv[1]);
+ help_cmd(name);
}
-static void do_commit(int argc, const char **argv)
+static void do_commit(void)
{
int i;
}
}
-static void do_info(int argc, const char **argv)
+static void do_info(const char *item)
{
term_cmd_t *cmd;
- const char *item;
- if (argc < 2)
+ if (!item)
goto help;
- item = argv[1];
for(cmd = info_cmds; cmd->name != NULL; cmd++) {
- if (compare_cmd(argv[1], cmd->name))
+ if (compare_cmd(item, cmd->name))
goto found;
}
help:
- help_cmd(argv[0]);
+ help_cmd("info");
return;
found:
- cmd->handler(argc, argv);
+ cmd->handler();
}
-static void do_info_network(int argc, const char **argv)
+static void do_info_network(void)
{
int i, j;
NetDriverState *nd;
}
}
-static void do_info_block(int argc, const char **argv)
+static void do_info_block(void)
{
bdrv_info();
}
-static void do_quit(int argc, const char **argv)
+static void do_info_registers(void)
+{
+#ifdef TARGET_I386
+ cpu_dump_state(cpu_single_env, stdout, X86_DUMP_FPU | X86_DUMP_CCOP);
+#else
+ cpu_dump_state(cpu_single_env, stdout, 0);
+#endif
+}
+
+static void do_info_history (void)
+{
+ int i;
+
+ for (i = 0; i < TERM_MAX_CMDS; i++) {
+ if (term_history[i] == NULL)
+ break;
+ term_printf("%d: '%s'\n", i, term_history[i]);
+ }
+}
+
+static void do_quit(void)
{
exit(0);
}
return 0;
}
-static void do_eject(int argc, const char **argv)
+static void do_eject(int force, const char *filename)
{
BlockDriverState *bs;
- const char **parg;
- int force;
- parg = argv + 1;
- if (!*parg) {
- fail:
- help_cmd(argv[0]);
- return;
- }
- force = 0;
- if (!strcmp(*parg, "-f")) {
- force = 1;
- parg++;
- }
- if (!*parg)
- goto fail;
- bs = bdrv_find(*parg);
+ term_printf("%d %s\n", force, filename);
+
+ bs = bdrv_find(filename);
if (!bs) {
term_printf("device not found\n");
return;
eject_device(bs, force);
}
-static void do_change(int argc, const char **argv)
+static void do_change(const char *device, const char *filename)
{
BlockDriverState *bs;
- if (argc != 3) {
- help_cmd(argv[0]);
- return;
- }
- bs = bdrv_find(argv[1]);
+ bs = bdrv_find(device);
if (!bs) {
term_printf("device not found\n");
return;
}
if (eject_device(bs, 0) < 0)
return;
- bdrv_open(bs, argv[2], 0);
+ bdrv_open(bs, filename, 0);
+}
+
+static void do_screen_dump(const char *filename)
+{
+ vga_screen_dump(filename);
+}
+
+static void do_log(const char *items)
+{
+ int mask;
+
+ if (!strcmp(items, "none")) {
+ mask = 0;
+ } else {
+ mask = cpu_str_to_log_mask(items);
+ if (!mask) {
+ help_cmd("log");
+ return;
+ }
+ }
+ cpu_set_log(mask);
+}
+
+static void do_savevm(const char *filename)
+{
+ if (qemu_savevm(filename) < 0)
+ term_printf("I/O error when saving VM to '%s'\n", filename);
+}
+
+static void do_loadvm(const char *filename)
+{
+ if (qemu_loadvm(filename) < 0)
+ term_printf("I/O error when loading VM from '%s'\n", filename);
+}
+
+static void do_stop(void)
+{
+ vm_stop(EXCP_INTERRUPT);
+}
+
+static void do_cont(void)
+{
+ vm_start();
+}
+
+#ifdef CONFIG_GDBSTUB
+static void do_gdbserver(int has_port, int port)
+{
+ if (!has_port)
+ port = DEFAULT_GDBSTUB_PORT;
+ if (gdbserver_start(port) < 0) {
+ qemu_printf("Could not open gdbserver socket on port %d\n", port);
+ } else {
+ qemu_printf("Waiting gdb connection on port %d\n", port);
+ }
+}
+#endif
+
+static void term_printc(int c)
+{
+ term_printf("'");
+ switch(c) {
+ case '\'':
+ term_printf("\\'");
+ break;
+ case '\\':
+ term_printf("\\\\");
+ break;
+ case '\n':
+ term_printf("\\n");
+ break;
+ case '\r':
+ term_printf("\\r");
+ break;
+ default:
+ if (c >= 32 && c <= 126) {
+ term_printf("%c", c);
+ } else {
+ term_printf("\\x%02x", c);
+ }
+ break;
+ }
+ term_printf("'");
+}
+
+static void memory_dump(int count, int format, int wsize,
+ target_ulong addr, int is_physical)
+{
+ int nb_per_line, l, line_size, i, max_digits, len;
+ uint8_t buf[16];
+ uint64_t v;
+
+ if (format == 'i') {
+ int flags;
+ flags = 0;
+#ifdef TARGET_I386
+ if (wsize == 2) {
+ flags = 1;
+ } else if (wsize == 4) {
+ flags = 0;
+ } else {
+ /* as default we use the current CS size */
+ flags = 0;
+ if (!(cpu_single_env->segs[R_CS].flags & DESC_B_MASK))
+ flags = 1;
+ }
+#endif
+ monitor_disas(addr, count, is_physical, flags);
+ return;
+ }
+
+ len = wsize * count;
+ if (wsize == 1)
+ line_size = 8;
+ else
+ line_size = 16;
+ nb_per_line = line_size / wsize;
+ max_digits = 0;
+
+ switch(format) {
+ case 'o':
+ max_digits = (wsize * 8 + 2) / 3;
+ break;
+ default:
+ case 'x':
+ max_digits = (wsize * 8) / 4;
+ break;
+ case 'u':
+ case 'd':
+ max_digits = (wsize * 8 * 10 + 32) / 33;
+ break;
+ case 'c':
+ wsize = 1;
+ break;
+ }
+
+ while (len > 0) {
+ term_printf("0x%08x:", addr);
+ l = len;
+ if (l > line_size)
+ l = line_size;
+ if (is_physical) {
+ cpu_physical_memory_rw(addr, buf, l, 0);
+ } else {
+ cpu_memory_rw_debug(cpu_single_env, addr, buf, l, 0);
+ }
+ i = 0;
+ while (i < l) {
+ switch(wsize) {
+ default:
+ case 1:
+ v = ldub_raw(buf + i);
+ break;
+ case 2:
+ v = lduw_raw(buf + i);
+ break;
+ case 4:
+ v = ldl_raw(buf + i);
+ break;
+ case 8:
+ v = ldq_raw(buf + i);
+ break;
+ }
+ term_printf(" ");
+ switch(format) {
+ case 'o':
+ term_printf("%#*llo", max_digits, v);
+ break;
+ case 'x':
+ term_printf("0x%0*llx", max_digits, v);
+ break;
+ case 'u':
+ term_printf("%*llu", max_digits, v);
+ break;
+ case 'd':
+ term_printf("%*lld", max_digits, v);
+ break;
+ case 'c':
+ term_printc(v);
+ break;
+ }
+ i += wsize;
+ }
+ term_printf("\n");
+ addr += l;
+ len -= l;
+ }
+}
+
+static void do_memory_dump(int count, int format, int size, int addr)
+{
+ memory_dump(count, format, size, addr, 0);
+}
+
+static void do_physical_memory_dump(int count, int format, int size, int addr)
+{
+ memory_dump(count, format, size, addr, 1);
+}
+
+static void do_print(int count, int format, int size, int val)
+{
+ switch(format) {
+ case 'o':
+ term_printf("%#o", val);
+ break;
+ case 'x':
+ term_printf("%#x", val);
+ break;
+ case 'u':
+ term_printf("%u", val);
+ break;
+ default:
+ case 'd':
+ term_printf("%d", val);
+ break;
+ case 'c':
+ term_printc(val);
+ break;
+ }
+ term_printf("\n");
+}
+
+typedef struct {
+ int keycode;
+ const char *name;
+} KeyDef;
+
+static const KeyDef key_defs[] = {
+ { 0x2a, "shift" },
+ { 0x36, "shift_r" },
+
+ { 0x38, "alt" },
+ { 0xb8, "alt_r" },
+ { 0x1d, "ctrl" },
+ { 0x9d, "ctrl_r" },
+
+ { 0xdd, "menu" },
+
+ { 0x01, "esc" },
+
+ { 0x02, "1" },
+ { 0x03, "2" },
+ { 0x04, "3" },
+ { 0x05, "4" },
+ { 0x06, "5" },
+ { 0x07, "6" },
+ { 0x08, "7" },
+ { 0x09, "8" },
+ { 0x0a, "9" },
+ { 0x0b, "0" },
+ { 0x0e, "backspace" },
+
+ { 0x0f, "tab" },
+ { 0x10, "q" },
+ { 0x11, "w" },
+ { 0x12, "e" },
+ { 0x13, "r" },
+ { 0x14, "t" },
+ { 0x15, "y" },
+ { 0x16, "u" },
+ { 0x17, "i" },
+ { 0x18, "o" },
+ { 0x19, "p" },
+
+ { 0x1c, "ret" },
+
+ { 0x1e, "a" },
+ { 0x1f, "s" },
+ { 0x20, "d" },
+ { 0x21, "f" },
+ { 0x22, "g" },
+ { 0x23, "h" },
+ { 0x24, "j" },
+ { 0x25, "k" },
+ { 0x26, "l" },
+
+ { 0x2c, "z" },
+ { 0x2d, "x" },
+ { 0x2e, "c" },
+ { 0x2f, "v" },
+ { 0x30, "b" },
+ { 0x31, "n" },
+ { 0x32, "m" },
+
+ { 0x39, "spc" },
+ { 0x3a, "caps_lock" },
+ { 0x3b, "f1" },
+ { 0x3c, "f2" },
+ { 0x3d, "f3" },
+ { 0x3e, "f4" },
+ { 0x3f, "f5" },
+ { 0x40, "f6" },
+ { 0x41, "f7" },
+ { 0x42, "f8" },
+ { 0x43, "f9" },
+ { 0x44, "f10" },
+ { 0x45, "num_lock" },
+ { 0x46, "scroll_lock" },
+
+ { 0x56, "<" },
+
+ { 0x57, "f11" },
+ { 0x58, "f12" },
+
+ { 0xb7, "print" },
+
+ { 0xc7, "home" },
+ { 0xc9, "pgup" },
+ { 0xd1, "pgdn" },
+ { 0xcf, "end" },
+
+ { 0xcb, "left" },
+ { 0xc8, "up" },
+ { 0xd0, "down" },
+ { 0xcd, "right" },
+
+ { 0xd2, "insert" },
+ { 0xd3, "delete" },
+ { 0, NULL },
+};
+
+static int get_keycode(const char *key)
+{
+ const KeyDef *p;
+
+ for(p = key_defs; p->name != NULL; p++) {
+ if (!strcmp(key, p->name))
+ return p->keycode;
+ }
+ return -1;
+}
+
+static void do_send_key(const char *string)
+{
+ char keybuf[16], *q;
+ uint8_t keycodes[16];
+ const char *p;
+ int nb_keycodes, keycode, i;
+
+ nb_keycodes = 0;
+ p = string;
+ while (*p != '\0') {
+ q = keybuf;
+ while (*p != '\0' && *p != '-') {
+ if ((q - keybuf) < sizeof(keybuf) - 1) {
+ *q++ = *p;
+ }
+ p++;
+ }
+ *q = '\0';
+ keycode = get_keycode(keybuf);
+ if (keycode < 0) {
+ term_printf("unknown key: '%s'\n", keybuf);
+ return;
+ }
+ keycodes[nb_keycodes++] = keycode;
+ if (*p == '\0')
+ break;
+ p++;
+ }
+ /* key down events */
+ for(i = 0; i < nb_keycodes; i++) {
+ keycode = keycodes[i];
+ if (keycode & 0x80)
+ kbd_put_keycode(0xe0);
+ kbd_put_keycode(keycode & 0x7f);
+ }
+ /* key up events */
+ for(i = nb_keycodes - 1; i >= 0; i--) {
+ keycode = keycodes[i];
+ if (keycode & 0x80)
+ kbd_put_keycode(0xe0);
+ kbd_put_keycode(keycode | 0x80);
+ }
+}
+
+static void do_ioport_read(int count, int format, int size, int addr, int has_index, int index)
+{
+ uint32_t val;
+ int suffix;
+
+ if (has_index) {
+ cpu_outb(NULL, addr & 0xffff, index & 0xff);
+ addr++;
+ }
+ addr &= 0xffff;
+
+ switch(size) {
+ default:
+ case 1:
+ val = cpu_inb(NULL, addr);
+ suffix = 'b';
+ break;
+ case 2:
+ val = cpu_inw(NULL, addr);
+ suffix = 'w';
+ break;
+ case 4:
+ val = cpu_inl(NULL, addr);
+ suffix = 'l';
+ break;
+ }
+ term_printf("port%c[0x%04x] = %#0*x\n",
+ suffix, addr, size * 2, val);
+}
+
+static void do_system_reset(void)
+{
+ qemu_system_reset_request();
}
static term_cmd_t term_cmds[] = {
- { "help|?", do_help,
+ { "help|?", "s?", do_help,
"[cmd]", "show the help" },
- { "commit", do_commit,
+ { "commit", "", do_commit,
"", "commit changes to the disk images (if -snapshot is used)" },
- { "info", do_info,
+ { "info", "s?", do_info,
"subcommand", "show various information about the system state" },
- { "q|quit", do_quit,
+ { "q|quit", "", do_quit,
"", "quit the emulator" },
- { "eject", do_eject,
+ { "eject", "-fs", do_eject,
"[-f] device", "eject a removable media (use -f to force it)" },
- { "change", do_change,
+ { "change", "sF", do_change,
"device filename", "change a removable media" },
- { NULL, NULL, },
+ { "screendump", "F", do_screen_dump,
+ "filename", "save screen into PPM image 'filename'" },
+ { "log", "s", do_log,
+ "item1[,...]", "activate logging of the specified items to '/tmp/qemu.log'" },
+ { "savevm", "F", do_savevm,
+ "filename", "save the whole virtual machine state to 'filename'" },
+ { "loadvm", "F", do_loadvm,
+ "filename", "restore the whole virtual machine state from 'filename'" },
+ { "stop", "", do_stop,
+ "", "stop emulation", },
+ { "c|cont", "", do_cont,
+ "", "resume emulation", },
+#ifdef CONFIG_GDBSTUB
+ { "gdbserver", "i?", do_gdbserver,
+ "[port]", "start gdbserver session (default port=1234)", },
+#endif
+ { "x", "/i", do_memory_dump,
+ "/fmt addr", "virtual memory dump starting at 'addr'", },
+ { "xp", "/i", do_physical_memory_dump,
+ "/fmt addr", "physical memory dump starting at 'addr'", },
+ { "p|print", "/i", do_print,
+ "/fmt expr", "print expression value (use $reg for CPU register access)", },
+ { "i", "/ii.", do_ioport_read,
+ "/fmt addr", "I/O port read" },
+
+ { "sendkey", "s", do_send_key,
+ "keys", "send keys to the VM (e.g. 'sendkey ctrl-alt-f1')" },
+ { "system_reset", "", do_system_reset,
+ "", "reset the system" },
+ { NULL, NULL, },
};
static term_cmd_t info_cmds[] = {
- { "network", do_info_network,
+ { "network", "", do_info_network,
"", "show the network state" },
- { "block", do_info_block,
+ { "block", "", do_info_block,
"", "show the block devices" },
+ { "registers", "", do_info_registers,
+ "", "show the cpu registers" },
+ { "history", "", do_info_history,
+ "", "show the command line history", },
+ { "irq", "", irq_info,
+ "", "show the interrupts statistics (if available)", },
+ { "pic", "", pic_info,
+ "", "show i8259 (PIC) state", },
+ { "pci", "", pci_info,
+ "", "show PCI info", },
{ NULL, NULL, },
};
-static void term_handle_command(char *cmdline)
+/*******************************************************************/
+
+static const char *pch;
+static jmp_buf expr_env;
+
+typedef struct MonitorDef {
+ const char *name;
+ int offset;
+ int (*get_value)(struct MonitorDef *md);
+} MonitorDef;
+
+#if defined(TARGET_I386)
+static int monitor_get_pc (struct MonitorDef *md)
{
- char *p, *pstart;
- int argc;
- const char *args[MAX_ARGS + 1];
- term_cmd_t *cmd;
+ return cpu_single_env->eip + (long)cpu_single_env->segs[R_CS].base;
+}
+#endif
-#ifdef DEBUG
- term_printf("command='%s'\n", cmdline);
+#if defined(TARGET_PPC)
+static int monitor_get_ccr (struct MonitorDef *md)
+{
+ unsigned int u;
+ int i;
+
+ u = 0;
+ for (i = 0; i < 8; i++)
+ u |= cpu_single_env->crf[i] << (32 - (4 * i));
+
+ return u;
+}
+
+static int monitor_get_msr (struct MonitorDef *md)
+{
+ return (cpu_single_env->msr[MSR_POW] << MSR_POW) |
+ (cpu_single_env->msr[MSR_ILE] << MSR_ILE) |
+ (cpu_single_env->msr[MSR_EE] << MSR_EE) |
+ (cpu_single_env->msr[MSR_PR] << MSR_PR) |
+ (cpu_single_env->msr[MSR_FP] << MSR_FP) |
+ (cpu_single_env->msr[MSR_ME] << MSR_ME) |
+ (cpu_single_env->msr[MSR_FE0] << MSR_FE0) |
+ (cpu_single_env->msr[MSR_SE] << MSR_SE) |
+ (cpu_single_env->msr[MSR_BE] << MSR_BE) |
+ (cpu_single_env->msr[MSR_FE1] << MSR_FE1) |
+ (cpu_single_env->msr[MSR_IP] << MSR_IP) |
+ (cpu_single_env->msr[MSR_IR] << MSR_IR) |
+ (cpu_single_env->msr[MSR_DR] << MSR_DR) |
+ (cpu_single_env->msr[MSR_RI] << MSR_RI) |
+ (cpu_single_env->msr[MSR_LE] << MSR_LE);
+}
+
+static int monitor_get_xer (struct MonitorDef *md)
+{
+ return (cpu_single_env->xer[XER_SO] << XER_SO) |
+ (cpu_single_env->xer[XER_OV] << XER_OV) |
+ (cpu_single_env->xer[XER_CA] << XER_CA) |
+ (cpu_single_env->xer[XER_BC] << XER_BC);
+}
+
+uint32_t cpu_ppc_load_decr (CPUState *env);
+static int monitor_get_decr (struct MonitorDef *md)
+{
+ return cpu_ppc_load_decr(cpu_single_env);
+}
+
+uint32_t cpu_ppc_load_tbu (CPUState *env);
+static int monitor_get_tbu (struct MonitorDef *md)
+{
+ return cpu_ppc_load_tbu(cpu_single_env);
+}
+
+uint32_t cpu_ppc_load_tbl (CPUState *env);
+static int monitor_get_tbl (struct MonitorDef *md)
+{
+ return cpu_ppc_load_tbl(cpu_single_env);
+}
#endif
-
- /* split command in words */
- argc = 0;
- p = cmdline;
+
+static MonitorDef monitor_defs[] = {
+#ifdef TARGET_I386
+
+#define SEG(name, seg) \
+ { name, offsetof(CPUState, segs[seg].selector) },\
+ { name ".base", offsetof(CPUState, segs[seg].base) },\
+ { name ".limit", offsetof(CPUState, segs[seg].limit) },
+
+ { "eax", offsetof(CPUState, regs[0]) },
+ { "ecx", offsetof(CPUState, regs[1]) },
+ { "edx", offsetof(CPUState, regs[2]) },
+ { "ebx", offsetof(CPUState, regs[3]) },
+ { "esp|sp", offsetof(CPUState, regs[4]) },
+ { "ebp|fp", offsetof(CPUState, regs[5]) },
+ { "esi", offsetof(CPUState, regs[6]) },
+ { "esi", offsetof(CPUState, regs[7]) },
+ { "eflags", offsetof(CPUState, eflags) },
+ { "eip", offsetof(CPUState, eip) },
+ SEG("cs", R_CS)
+ SEG("ds", R_DS)
+ SEG("es", R_ES)
+ SEG("fs", R_FS)
+ SEG("gs", R_GS)
+ { "pc", 0, monitor_get_pc, },
+#elif defined(TARGET_PPC)
+ { "r0", offsetof(CPUState, gpr[0]) },
+ { "r1", offsetof(CPUState, gpr[1]) },
+ { "r2", offsetof(CPUState, gpr[2]) },
+ { "r3", offsetof(CPUState, gpr[3]) },
+ { "r4", offsetof(CPUState, gpr[4]) },
+ { "r5", offsetof(CPUState, gpr[5]) },
+ { "r6", offsetof(CPUState, gpr[6]) },
+ { "r7", offsetof(CPUState, gpr[7]) },
+ { "r8", offsetof(CPUState, gpr[8]) },
+ { "r9", offsetof(CPUState, gpr[9]) },
+ { "r10", offsetof(CPUState, gpr[10]) },
+ { "r11", offsetof(CPUState, gpr[11]) },
+ { "r12", offsetof(CPUState, gpr[12]) },
+ { "r13", offsetof(CPUState, gpr[13]) },
+ { "r14", offsetof(CPUState, gpr[14]) },
+ { "r15", offsetof(CPUState, gpr[15]) },
+ { "r16", offsetof(CPUState, gpr[16]) },
+ { "r17", offsetof(CPUState, gpr[17]) },
+ { "r18", offsetof(CPUState, gpr[18]) },
+ { "r19", offsetof(CPUState, gpr[19]) },
+ { "r20", offsetof(CPUState, gpr[20]) },
+ { "r21", offsetof(CPUState, gpr[21]) },
+ { "r22", offsetof(CPUState, gpr[22]) },
+ { "r23", offsetof(CPUState, gpr[23]) },
+ { "r24", offsetof(CPUState, gpr[24]) },
+ { "r25", offsetof(CPUState, gpr[25]) },
+ { "r26", offsetof(CPUState, gpr[26]) },
+ { "r27", offsetof(CPUState, gpr[27]) },
+ { "r28", offsetof(CPUState, gpr[28]) },
+ { "r29", offsetof(CPUState, gpr[29]) },
+ { "r30", offsetof(CPUState, gpr[30]) },
+ { "r31", offsetof(CPUState, gpr[31]) },
+ { "nip|pc", offsetof(CPUState, nip) },
+ { "lr", offsetof(CPUState, lr) },
+ { "ctr", offsetof(CPUState, ctr) },
+ { "decr", 0, &monitor_get_decr, },
+ { "ccr", 0, &monitor_get_ccr, },
+ { "msr", 0, &monitor_get_msr, },
+ { "xer", 0, &monitor_get_xer, },
+ { "tbu", 0, &monitor_get_tbu, },
+ { "tbl", 0, &monitor_get_tbl, },
+ { "sdr1", offsetof(CPUState, sdr1) },
+ { "sr0", offsetof(CPUState, sr[0]) },
+ { "sr1", offsetof(CPUState, sr[1]) },
+ { "sr2", offsetof(CPUState, sr[2]) },
+ { "sr3", offsetof(CPUState, sr[3]) },
+ { "sr4", offsetof(CPUState, sr[4]) },
+ { "sr5", offsetof(CPUState, sr[5]) },
+ { "sr6", offsetof(CPUState, sr[6]) },
+ { "sr7", offsetof(CPUState, sr[7]) },
+ { "sr8", offsetof(CPUState, sr[8]) },
+ { "sr9", offsetof(CPUState, sr[9]) },
+ { "sr10", offsetof(CPUState, sr[10]) },
+ { "sr11", offsetof(CPUState, sr[11]) },
+ { "sr12", offsetof(CPUState, sr[12]) },
+ { "sr13", offsetof(CPUState, sr[13]) },
+ { "sr14", offsetof(CPUState, sr[14]) },
+ { "sr15", offsetof(CPUState, sr[15]) },
+ /* Too lazy to put BATs and SPRs ... */
+#endif
+ { NULL },
+};
+
+static void expr_error(const char *fmt)
+{
+ term_printf(fmt);
+ term_printf("\n");
+ longjmp(expr_env, 1);
+}
+
+static int get_monitor_def(int *pval, const char *name)
+{
+ MonitorDef *md;
+ for(md = monitor_defs; md->name != NULL; md++) {
+ if (compare_cmd(name, md->name)) {
+ if (md->get_value) {
+ *pval = md->get_value(md);
+ } else {
+ *pval = *(uint32_t *)((uint8_t *)cpu_single_env + md->offset);
+ }
+ return 0;
+ }
+ }
+ return -1;
+}
+
+static void next(void)
+{
+ if (pch != '\0') {
+ pch++;
+ while (isspace(*pch))
+ pch++;
+ }
+}
+
+static int expr_sum(void);
+
+static int expr_unary(void)
+{
+ int n;
+ char *p;
+
+ switch(*pch) {
+ case '+':
+ next();
+ n = expr_unary();
+ break;
+ case '-':
+ next();
+ n = -expr_unary();
+ break;
+ case '~':
+ next();
+ n = ~expr_unary();
+ break;
+ case '(':
+ next();
+ n = expr_sum();
+ if (*pch != ')') {
+ expr_error("')' expected");
+ }
+ next();
+ break;
+ case '$':
+ {
+ char buf[128], *q;
+
+ pch++;
+ q = buf;
+ while ((*pch >= 'a' && *pch <= 'z') ||
+ (*pch >= 'A' && *pch <= 'Z') ||
+ (*pch >= '0' && *pch <= '9') ||
+ *pch == '_' || *pch == '.') {
+ if ((q - buf) < sizeof(buf) - 1)
+ *q++ = *pch;
+ pch++;
+ }
+ while (isspace(*pch))
+ pch++;
+ *q = 0;
+ if (get_monitor_def(&n, buf))
+ expr_error("unknown register");
+ }
+ break;
+ case '\0':
+ expr_error("unexpected end of expression");
+ n = 0;
+ break;
+ default:
+ n = strtoul(pch, &p, 0);
+ if (pch == p) {
+ expr_error("invalid char in expression");
+ }
+ pch = p;
+ while (isspace(*pch))
+ pch++;
+ break;
+ }
+ return n;
+}
+
+
+static int expr_prod(void)
+{
+ int val, val2, op;
+
+ val = expr_unary();
for(;;) {
- while (isspace(*p))
- p++;
- if (*p == '\0')
+ op = *pch;
+ if (op != '*' && op != '/' && op != '%')
break;
- pstart = p;
- while (*p != '\0' && !isspace(*p))
- p++;
- args[argc] = pstart;
- argc++;
- if (argc >= MAX_ARGS)
+ next();
+ val2 = expr_unary();
+ switch(op) {
+ default:
+ case '*':
+ val *= val2;
break;
- if (*p == '\0')
+ case '/':
+ case '%':
+ if (val2 == 0)
+ expr_error("division by zero");
+ if (op == '/')
+ val /= val2;
+ else
+ val %= val2;
break;
- *p++ = '\0';
+ }
}
- args[argc] = NULL;
-#ifdef DEBUG
- for(i=0;i<argc;i++) {
- term_printf(" '%s'", args[i]);
+ return val;
+}
+
+static int expr_logic(void)
+{
+ int val, val2, op;
+
+ val = expr_prod();
+ for(;;) {
+ op = *pch;
+ if (op != '&' && op != '|' && op != '^')
+ break;
+ next();
+ val2 = expr_prod();
+ switch(op) {
+ default:
+ case '&':
+ val &= val2;
+ break;
+ case '|':
+ val |= val2;
+ break;
+ case '^':
+ val ^= val2;
+ break;
+ }
}
- term_printf("\n");
+ return val;
+}
+
+static int expr_sum(void)
+{
+ int val, val2, op;
+
+ val = expr_logic();
+ for(;;) {
+ op = *pch;
+ if (op != '+' && op != '-')
+ break;
+ next();
+ val2 = expr_logic();
+ if (op == '+')
+ val += val2;
+ else
+ val -= val2;
+ }
+ return val;
+}
+
+static int get_expr(int *pval, const char **pp)
+{
+ pch = *pp;
+ if (setjmp(expr_env)) {
+ *pp = pch;
+ return -1;
+ }
+ while (isspace(*pch))
+ pch++;
+ *pval = expr_sum();
+ *pp = pch;
+ return 0;
+}
+
+static int get_str(char *buf, int buf_size, const char **pp)
+{
+ const char *p;
+ char *q;
+ int c;
+
+ p = *pp;
+ while (isspace(*p))
+ p++;
+ if (*p == '\0') {
+ fail:
+ *pp = p;
+ return -1;
+ }
+ q = buf;
+ if (*p == '\"') {
+ p++;
+ while (*p != '\0' && *p != '\"') {
+ if (*p == '\\') {
+ p++;
+ c = *p++;
+ switch(c) {
+ case 'n':
+ c = '\n';
+ break;
+ case 'r':
+ c = '\r';
+ break;
+ case '\\':
+ case '\'':
+ case '\"':
+ break;
+ default:
+ qemu_printf("unsupported escape code: '\\%c'\n", c);
+ goto fail;
+ }
+ if ((q - buf) < buf_size - 1) {
+ *q++ = c;
+ }
+ } else {
+ if ((q - buf) < buf_size - 1) {
+ *q++ = *p;
+ }
+ p++;
+ }
+ }
+ if (*p != '\"') {
+ qemu_printf("unterminated string\n");
+ goto fail;
+ }
+ p++;
+ } else {
+ while (*p != '\0' && !isspace(*p)) {
+ if ((q - buf) < buf_size - 1) {
+ *q++ = *p;
+ }
+ p++;
+ }
+ *q = '\0';
+ }
+ *pp = p;
+ return 0;
+}
+
+static int default_fmt_format = 'x';
+static int default_fmt_size = 4;
+
+#define MAX_ARGS 16
+
+static void term_handle_command(const char *cmdline)
+{
+ const char *p, *pstart, *typestr;
+ char *q;
+ int c, nb_args, len, i, has_arg;
+ term_cmd_t *cmd;
+ char cmdname[256];
+ char buf[1024];
+ void *str_allocated[MAX_ARGS];
+ void *args[MAX_ARGS];
+
+#ifdef DEBUG
+ term_printf("command='%s'\n", cmdline);
#endif
- if (argc <= 0)
+
+ /* extract the command name */
+ p = cmdline;
+ q = cmdname;
+ while (isspace(*p))
+ p++;
+ if (*p == '\0')
return;
+ pstart = p;
+ while (*p != '\0' && *p != '/' && !isspace(*p))
+ p++;
+ len = p - pstart;
+ if (len > sizeof(cmdname) - 1)
+ len = sizeof(cmdname) - 1;
+ memcpy(cmdname, pstart, len);
+ cmdname[len] = '\0';
+
+ /* find the command */
for(cmd = term_cmds; cmd->name != NULL; cmd++) {
- if (compare_cmd(args[0], cmd->name))
+ if (compare_cmd(cmdname, cmd->name))
goto found;
}
- term_printf("unknown command: '%s'\n", args[0]);
+ term_printf("unknown command: '%s'\n", cmdname);
return;
found:
- cmd->handler(argc, args);
+
+ for(i = 0; i < MAX_ARGS; i++)
+ str_allocated[i] = NULL;
+
+ /* parse the parameters */
+ typestr = cmd->args_type;
+ nb_args = 0;
+ for(;;) {
+ c = *typestr;
+ if (c == '\0')
+ break;
+ typestr++;
+ switch(c) {
+ case 'F':
+ case 's':
+ {
+ int ret;
+ char *str;
+
+ while (isspace(*p))
+ p++;
+ if (*typestr == '?') {
+ typestr++;
+ if (*p == '\0') {
+ /* no optional string: NULL argument */
+ str = NULL;
+ goto add_str;
+ }
+ }
+ ret = get_str(buf, sizeof(buf), &p);
+ if (ret < 0) {
+ if (c == 'F')
+ term_printf("%s: filename expected\n", cmdname);
+ else
+ term_printf("%s: string expected\n", cmdname);
+ goto fail;
+ }
+ str = qemu_malloc(strlen(buf) + 1);
+ strcpy(str, buf);
+ str_allocated[nb_args] = str;
+ add_str:
+ if (nb_args >= MAX_ARGS) {
+ error_args:
+ term_printf("%s: too many arguments\n", cmdname);
+ goto fail;
+ }
+ args[nb_args++] = str;
+ }
+ break;
+ case '/':
+ {
+ int count, format, size;
+
+ while (isspace(*p))
+ p++;
+ if (*p == '/') {
+ /* format found */
+ p++;
+ count = 1;
+ if (isdigit(*p)) {
+ count = 0;
+ while (isdigit(*p)) {
+ count = count * 10 + (*p - '0');
+ p++;
+ }
+ }
+ size = -1;
+ format = -1;
+ for(;;) {
+ switch(*p) {
+ case 'o':
+ case 'd':
+ case 'u':
+ case 'x':
+ case 'i':
+ case 'c':
+ format = *p++;
+ break;
+ case 'b':
+ size = 1;
+ p++;
+ break;
+ case 'h':
+ size = 2;
+ p++;
+ break;
+ case 'w':
+ size = 4;
+ p++;
+ break;
+ case 'g':
+ case 'L':
+ size = 8;
+ p++;
+ break;
+ default:
+ goto next;
+ }
+ }
+ next:
+ if (*p != '\0' && !isspace(*p)) {
+ term_printf("invalid char in format: '%c'\n", *p);
+ goto fail;
+ }
+ if (format < 0)
+ format = default_fmt_format;
+ if (format != 'i') {
+ /* for 'i', not specifying a size gives -1 as size */
+ if (size < 0)
+ size = default_fmt_size;
+ }
+ default_fmt_size = size;
+ default_fmt_format = format;
+ } else {
+ count = 1;
+ format = default_fmt_format;
+ if (format != 'i') {
+ size = default_fmt_size;
+ } else {
+ size = -1;
+ }
+ }
+ if (nb_args + 3 > MAX_ARGS)
+ goto error_args;
+ args[nb_args++] = (void*)count;
+ args[nb_args++] = (void*)format;
+ args[nb_args++] = (void*)size;
+ }
+ break;
+ case 'i':
+ {
+ int val;
+ while (isspace(*p))
+ p++;
+ if (*typestr == '?' || *typestr == '.') {
+ typestr++;
+ if (*typestr == '?') {
+ if (*p == '\0')
+ has_arg = 0;
+ else
+ has_arg = 1;
+ } else {
+ if (*p == '.') {
+ p++;
+ while (isspace(*p))
+ p++;
+ has_arg = 1;
+ } else {
+ has_arg = 0;
+ }
+ }
+ if (nb_args >= MAX_ARGS)
+ goto error_args;
+ args[nb_args++] = (void *)has_arg;
+ if (!has_arg) {
+ if (nb_args >= MAX_ARGS)
+ goto error_args;
+ val = -1;
+ goto add_num;
+ }
+ }
+ if (get_expr(&val, &p))
+ goto fail;
+ add_num:
+ if (nb_args >= MAX_ARGS)
+ goto error_args;
+ args[nb_args++] = (void *)val;
+ }
+ break;
+ case '-':
+ {
+ int has_option;
+ /* option */
+
+ c = *typestr++;
+ if (c == '\0')
+ goto bad_type;
+ while (isspace(*p))
+ p++;
+ has_option = 0;
+ if (*p == '-') {
+ p++;
+ if (*p != c) {
+ term_printf("%s: unsupported option -%c\n",
+ cmdname, *p);
+ goto fail;
+ }
+ p++;
+ has_option = 1;
+ }
+ if (nb_args >= MAX_ARGS)
+ goto error_args;
+ args[nb_args++] = (void *)has_option;
+ }
+ break;
+ default:
+ bad_type:
+ term_printf("%s: unknown type '%c'\n", cmdname, c);
+ goto fail;
+ }
+ }
+ /* check that all arguments were parsed */
+ while (isspace(*p))
+ p++;
+ if (*p != '\0') {
+ term_printf("%s: extraneous characters at the end of line\n",
+ cmdname);
+ goto fail;
+ }
+
+ switch(nb_args) {
+ case 0:
+ cmd->handler();
+ break;
+ case 1:
+ cmd->handler(args[0]);
+ break;
+ case 2:
+ cmd->handler(args[0], args[1]);
+ break;
+ case 3:
+ cmd->handler(args[0], args[1], args[2]);
+ break;
+ case 4:
+ cmd->handler(args[0], args[1], args[2], args[3]);
+ break;
+ case 5:
+ cmd->handler(args[0], args[1], args[2], args[3], args[4]);
+ break;
+ case 6:
+ cmd->handler(args[0], args[1], args[2], args[3], args[4], args[5]);
+ break;
+ default:
+ term_printf("unsupported number of arguments: %d\n", nb_args);
+ goto fail;
+ }
+ fail:
+ for(i = 0; i < MAX_ARGS; i++)
+ qemu_free(str_allocated[i]);
+ return;
}
static void term_show_prompt(void)
term_esc_state = IS_NORM;
}
+static void term_print_cmdline (const char *cmdline)
+{
+ term_show_prompt();
+ term_printf("%s", cmdline);
+ term_flush();
+}
+
static void term_insert_char(int ch)
{
if (term_cmd_buf_index < TERM_CMD_BUF_SIZE) {
term_forward_char();
}
+static void term_up_char(void)
+{
+ int idx;
+
+ if (term_hist_entry == 0)
+ return;
+ if (term_hist_entry == -1) {
+ /* Find latest entry */
+ for (idx = 0; idx < TERM_MAX_CMDS; idx++) {
+ if (term_history[idx] == NULL)
+ break;
+ }
+ term_hist_entry = idx;
+ }
+ term_hist_entry--;
+ if (term_hist_entry >= 0) {
+ pstrcpy(term_cmd_buf, sizeof(term_cmd_buf),
+ term_history[term_hist_entry]);
+ term_printf("\n");
+ term_print_cmdline(term_cmd_buf);
+ term_cmd_buf_index = term_cmd_buf_size = strlen(term_cmd_buf);
+ }
+}
+
+static void term_down_char(void)
+{
+ if (term_hist_entry == TERM_MAX_CMDS - 1 || term_hist_entry == -1)
+ return;
+ if (term_history[++term_hist_entry] != NULL) {
+ pstrcpy(term_cmd_buf, sizeof(term_cmd_buf),
+ term_history[term_hist_entry]);
+ } else {
+ term_hist_entry = -1;
+ }
+ term_printf("\n");
+ term_print_cmdline(term_cmd_buf);
+ term_cmd_buf_index = term_cmd_buf_size = strlen(term_cmd_buf);
+}
+
+static void term_hist_add(const char *cmdline)
+{
+ char *hist_entry, *new_entry;
+ int idx;
+
+ if (cmdline[0] == '\0')
+ return;
+ new_entry = NULL;
+ if (term_hist_entry != -1) {
+ /* We were editing an existing history entry: replace it */
+ hist_entry = term_history[term_hist_entry];
+ idx = term_hist_entry;
+ if (strcmp(hist_entry, cmdline) == 0) {
+ goto same_entry;
+ }
+ }
+ /* Search cmdline in history buffers */
+ for (idx = 0; idx < TERM_MAX_CMDS; idx++) {
+ hist_entry = term_history[idx];
+ if (hist_entry == NULL)
+ break;
+ if (strcmp(hist_entry, cmdline) == 0) {
+ same_entry:
+ new_entry = hist_entry;
+ /* Put this entry at the end of history */
+ memmove(&term_history[idx], &term_history[idx + 1],
+ &term_history[TERM_MAX_CMDS] - &term_history[idx + 1]);
+ term_history[TERM_MAX_CMDS - 1] = NULL;
+ for (; idx < TERM_MAX_CMDS; idx++) {
+ if (term_history[idx] == NULL)
+ break;
+ }
+ break;
+ }
+ }
+ if (idx == TERM_MAX_CMDS) {
+ /* Need to get one free slot */
+ free(term_history[0]);
+ memcpy(term_history, &term_history[1],
+ &term_history[TERM_MAX_CMDS] - &term_history[1]);
+ term_history[TERM_MAX_CMDS - 1] = NULL;
+ idx = TERM_MAX_CMDS - 1;
+ }
+ if (new_entry == NULL)
+ new_entry = strdup(cmdline);
+ term_history[idx] = new_entry;
+ term_hist_entry = -1;
+}
+
/* return true if command handled */
static void term_handle_byte(int ch)
{
case 10:
case 13:
term_cmd_buf[term_cmd_buf_size] = '\0';
+ term_hist_add(term_cmd_buf);
term_printf("\n");
term_handle_command(term_cmd_buf);
term_show_prompt();
case 8:
term_backspace();
break;
+ case 155:
+ term_esc_state = IS_CSI;
+ break;
default:
if (ch >= 32) {
term_insert_char(ch);
break;
case IS_CSI:
switch(ch) {
+ case 'A':
+ case 'F':
+ term_up_char();
+ break;
+ case 'B':
+ case 'E':
+ term_down_char();
+ break;
case 'D':
term_backward_char();
break;
term_printf("\n"
"C-a h print this help\n"
"C-a x exit emulatior\n"
- "C-a d switch on/off debug log\n"
"C-a s save disk data back to file (if -snapshot)\n"
"C-a b send break (magic sysrq)\n"
"C-a c switch between console and monitor\n"
term_command = 0;
}
break;
- case 'd':
- cpu_set_log(CPU_LOG_ALL);
- break;
case TERM_ESCAPE:
goto send_char;
}
if (serial_console) {
return serial_can_receive(serial_console);
} else {
- return 1;
+ return 128;
}
}
QEMU_VERSION);
term_show_prompt();
}
- add_fd_read_handler(0, term_can_read, term_read, NULL);
+ term_hist_entry = -1;
+ qemu_add_fd_read_handler(0, term_can_read, term_read, NULL);
}
projects / qemu.git / blobdiff