/* * QEMU monitor * * Copyright (c) 2003-2004 Fabrice Bellard * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #include "vl.h" #include "disas.h" #include <dirent.h> //#define DEBUG //#define DEBUG_COMPLETION #ifndef offsetof #define offsetof(type, field) ((size_t) &((type *)0)->field) #endif /* * Supported types: * * 'F' filename * 'B' block device name * '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; const char *args_type; void (*handler)(); const char *params; const char *help; } term_cmd_t; static CharDriverState *monitor_hd; static term_cmd_t term_cmds[]; static term_cmd_t info_cmds[]; static char term_outbuf[1024]; static int term_outbuf_index; static void monitor_start_input(void); void term_flush(void) { if (term_outbuf_index > 0) { qemu_chr_write(monitor_hd, term_outbuf, term_outbuf_index); term_outbuf_index = 0; } } /* flush at every end of line or if the buffer is full */ void term_puts(const char *str) { int c; for(;;) { c = *str++; if (c == '\0') break; term_outbuf[term_outbuf_index++] = c; if (term_outbuf_index >= sizeof(term_outbuf) || c == '\n') term_flush(); } } void term_vprintf(const char *fmt, va_list ap) { char buf[4096]; vsnprintf(buf, sizeof(buf), fmt, ap); term_puts(buf); } void term_printf(const char *fmt, ...) { va_list ap; va_start(ap, fmt); term_vprintf(fmt, ap); va_end(ap); } static int compare_cmd(const char *name, const char *list) { const char *p, *pstart; int len; len = strlen(name); p = list; for(;;) { pstart = p; p = strchr(p, '|'); if (!p) p = pstart + strlen(pstart); if ((p - pstart) == len && !memcmp(pstart, name, len)) return 1; if (*p == '\0') break; p++; } return 0; } static void help_cmd1(term_cmd_t *cmds, const char *prefix, const char *name) { term_cmd_t *cmd; for(cmd = cmds; cmd->name != NULL; cmd++) { if (!name || !strcmp(name, cmd->name)) term_printf("%s%s %s -- %s\n", prefix, cmd->name, cmd->params, cmd->help); } } static void help_cmd(const char *name) { if (name && !strcmp(name, "info")) { 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(const char *name) { help_cmd(name); } static void do_commit(void) { int i; for (i = 0; i < MAX_DISKS; i++) { if (bs_table[i]) { bdrv_commit(bs_table[i]); } } } static void do_info(const char *item) { term_cmd_t *cmd; if (!item) goto help; for(cmd = info_cmds; cmd->name != NULL; cmd++) { if (compare_cmd(item, cmd->name)) goto found; } help: help_cmd("info"); return; found: cmd->handler(); } static void do_info_network(void) { int i, j; NetDriverState *nd; for(i = 0; i < nb_nics; i++) { nd = &nd_table[i]; term_printf("%d: ifname=%s macaddr=", i, nd->ifname); for(j = 0; j < 6; j++) { if (j > 0) term_printf(":"); term_printf("%02x", nd->macaddr[j]); } term_printf("\n"); } } static void do_info_block(void) { bdrv_info(); } 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; const char *str; i = 0; for(;;) { str = readline_get_history(i); if (!str) break; term_printf("%d: '%s'\n", i, str); } } static void do_quit(void) { exit(0); } static int eject_device(BlockDriverState *bs, int force) { if (bdrv_is_inserted(bs)) { if (!force) { if (!bdrv_is_removable(bs)) { term_printf("device is not removable\n"); return -1; } if (bdrv_is_locked(bs)) { term_printf("device is locked\n"); return -1; } } bdrv_close(bs); } return 0; } static void do_eject(int force, const char *filename) { BlockDriverState *bs; bs = bdrv_find(filename); if (!bs) { term_printf("device not found\n"); return; } eject_device(bs, force); } static void do_change(const char *device, const char *filename) { BlockDriverState *bs; int i; char password[256]; bs = bdrv_find(device); if (!bs) { term_printf("device not found\n"); return; } if (eject_device(bs, 0) < 0) return; bdrv_open(bs, filename, 0); if (bdrv_is_encrypted(bs)) { term_printf("%s is encrypted.\n", device); for(i = 0; i < 3; i++) { monitor_readline("Password: ", 1, password, sizeof(password)); if (bdrv_set_key(bs, password) == 0) break; term_printf("invalid password\n"); } } } 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(); } #if defined(TARGET_I386) static void print_pte(uint32_t addr, uint32_t pte, uint32_t mask) { term_printf("%08x: %08x %c%c%c%c%c%c%c%c\n", addr, pte & mask, pte & PG_GLOBAL_MASK ? 'G' : '-', pte & PG_PSE_MASK ? 'P' : '-', pte & PG_DIRTY_MASK ? 'D' : '-', pte & PG_ACCESSED_MASK ? 'A' : '-', pte & PG_PCD_MASK ? 'C' : '-', pte & PG_PWT_MASK ? 'T' : '-', pte & PG_USER_MASK ? 'U' : '-', pte & PG_RW_MASK ? 'W' : '-'); } static void tlb_info(void) { CPUState *env = cpu_single_env; int l1, l2; uint32_t pgd, pde, pte; if (!(env->cr[0] & CR0_PG_MASK)) { term_printf("PG disabled\n"); return; } pgd = env->cr[3] & ~0xfff; for(l1 = 0; l1 < 1024; l1++) { cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4); pde = le32_to_cpu(pde); if (pde & PG_PRESENT_MASK) { if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) { print_pte((l1 << 22), pde, ~((1 << 20) - 1)); } else { for(l2 = 0; l2 < 1024; l2++) { cpu_physical_memory_read((pde & ~0xfff) + l2 * 4, (uint8_t *)&pte, 4); pte = le32_to_cpu(pte); if (pte & PG_PRESENT_MASK) { print_pte((l1 << 22) + (l2 << 12), pte & ~PG_PSE_MASK, ~0xfff); } } } } } } static void mem_print(uint32_t *pstart, int *plast_prot, uint32_t end, int prot) { if (prot != *plast_prot) { if (*pstart != -1) { term_printf("%08x-%08x %08x %c%c%c\n", *pstart, end, end - *pstart, prot & PG_USER_MASK ? 'u' : '-', 'r', prot & PG_RW_MASK ? 'w' : '-'); } if (prot != 0) *pstart = end; else *pstart = -1; *plast_prot = prot; } } static void mem_info(void) { CPUState *env = cpu_single_env; int l1, l2, prot, last_prot; uint32_t pgd, pde, pte, start, end; if (!(env->cr[0] & CR0_PG_MASK)) { term_printf("PG disabled\n"); return; } pgd = env->cr[3] & ~0xfff; last_prot = 0; start = -1; for(l1 = 0; l1 < 1024; l1++) { cpu_physical_memory_read(pgd + l1 * 4, (uint8_t *)&pde, 4); pde = le32_to_cpu(pde); end = l1 << 22; if (pde & PG_PRESENT_MASK) { if ((pde & PG_PSE_MASK) && (env->cr[4] & CR4_PSE_MASK)) { prot = pde & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK); mem_print(&start, &last_prot, end, prot); } else { for(l2 = 0; l2 < 1024; l2++) { cpu_physical_memory_read((pde & ~0xfff) + l2 * 4, (uint8_t *)&pte, 4); pte = le32_to_cpu(pte); end = (l1 << 22) + (l2 << 12); if (pte & PG_PRESENT_MASK) { prot = pte & (PG_USER_MASK | PG_RW_MASK | PG_PRESENT_MASK); } else { prot = 0; } mem_print(&start, &last_prot, end, prot); } } } else { prot = 0; mem_print(&start, &last_prot, end, prot); } } } #endif static term_cmd_t term_cmds[] = { { "help|?", "s?", do_help, "[cmd]", "show the help" }, { "commit", "", do_commit, "", "commit changes to the disk images (if -snapshot is used)" }, { "info", "s?", do_info, "subcommand", "show various information about the system state" }, { "q|quit", "", do_quit, "", "quit the emulator" }, { "eject", "-fB", do_eject, "[-f] device", "eject a removable media (use -f to force it)" }, { "change", "BF", do_change, "device filename", "change a removable media" }, { "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, "", "show the network state" }, { "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", }, #if defined(TARGET_I386) { "tlb", "", tlb_info, "", "show virtual to physical memory mappings", }, { "mem", "", mem_info, "", "show the active virtual memory mappings", }, #endif { NULL, NULL, }, }; /*******************************************************************/ static const char *pch; static jmp_buf expr_env; typedef struct MonitorDef { const char *name; int offset; int (*get_value)(struct MonitorDef *md, int val); } MonitorDef; #if defined(TARGET_I386) static int monitor_get_pc (struct MonitorDef *md, int val) { return cpu_single_env->eip + (long)cpu_single_env->segs[R_CS].base; } #endif #if defined(TARGET_PPC) static int monitor_get_ccr (struct MonitorDef *md, int val) { 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, int val) { 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, int val) { 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); } static int monitor_get_decr (struct MonitorDef *md, int val) { return cpu_ppc_load_decr(cpu_single_env); } static int monitor_get_tbu (struct MonitorDef *md, int val) { return cpu_ppc_load_tbu(cpu_single_env); } static int monitor_get_tbl (struct MonitorDef *md, int val) { return cpu_ppc_load_tbl(cpu_single_env); } #endif #if defined(TARGET_SPARC) static int monitor_get_psr (struct MonitorDef *md, int val) { return (0<<28) | (4<<24) | cpu_single_env->psr \ | (cpu_single_env->psrs? PSR_S : 0) \ | (cpu_single_env->psrs? PSR_PS : 0) \ | (cpu_single_env->psret? PSR_ET : 0) \ | cpu_single_env->cwp; } static int monitor_get_reg(struct MonitorDef *md, int val) { return cpu_single_env->regwptr[val]; } #endif 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]) }, { "edi", 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("ss", R_SS) 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 ... */ #elif defined(TARGET_SPARC) { "g0", offsetof(CPUState, gregs[0]) }, { "g1", offsetof(CPUState, gregs[1]) }, { "g2", offsetof(CPUState, gregs[2]) }, { "g3", offsetof(CPUState, gregs[3]) }, { "g4", offsetof(CPUState, gregs[4]) }, { "g5", offsetof(CPUState, gregs[5]) }, { "g6", offsetof(CPUState, gregs[6]) }, { "g7", offsetof(CPUState, gregs[7]) }, { "o0", 0, monitor_get_reg }, { "o1", 1, monitor_get_reg }, { "o2", 2, monitor_get_reg }, { "o3", 3, monitor_get_reg }, { "o4", 4, monitor_get_reg }, { "o5", 5, monitor_get_reg }, { "o6", 6, monitor_get_reg }, { "o7", 7, monitor_get_reg }, { "l0", 8, monitor_get_reg }, { "l1", 9, monitor_get_reg }, { "l2", 10, monitor_get_reg }, { "l3", 11, monitor_get_reg }, { "l4", 12, monitor_get_reg }, { "l5", 13, monitor_get_reg }, { "l6", 14, monitor_get_reg }, { "l7", 15, monitor_get_reg }, { "i0", 16, monitor_get_reg }, { "i1", 17, monitor_get_reg }, { "i2", 18, monitor_get_reg }, { "i3", 19, monitor_get_reg }, { "i4", 20, monitor_get_reg }, { "i5", 21, monitor_get_reg }, { "i6", 22, monitor_get_reg }, { "i7", 23, monitor_get_reg }, { "pc", offsetof(CPUState, pc) }, { "npc", offsetof(CPUState, npc) }, { "y", offsetof(CPUState, y) }, { "psr", 0, &monitor_get_psr, }, { "wim", offsetof(CPUState, wim) }, { "tbr", offsetof(CPUState, tbr) }, { "fsr", offsetof(CPUState, fsr) }, { "f0", offsetof(CPUState, fpr[0]) }, { "f1", offsetof(CPUState, fpr[1]) }, { "f2", offsetof(CPUState, fpr[2]) }, { "f3", offsetof(CPUState, fpr[3]) }, { "f4", offsetof(CPUState, fpr[4]) }, { "f5", offsetof(CPUState, fpr[5]) }, { "f6", offsetof(CPUState, fpr[6]) }, { "f7", offsetof(CPUState, fpr[7]) }, { "f8", offsetof(CPUState, fpr[8]) }, { "f9", offsetof(CPUState, fpr[9]) }, { "f10", offsetof(CPUState, fpr[10]) }, { "f11", offsetof(CPUState, fpr[11]) }, { "f12", offsetof(CPUState, fpr[12]) }, { "f13", offsetof(CPUState, fpr[13]) }, { "f14", offsetof(CPUState, fpr[14]) }, { "f15", offsetof(CPUState, fpr[15]) }, { "f16", offsetof(CPUState, fpr[16]) }, { "f17", offsetof(CPUState, fpr[17]) }, { "f18", offsetof(CPUState, fpr[18]) }, { "f19", offsetof(CPUState, fpr[19]) }, { "f20", offsetof(CPUState, fpr[20]) }, { "f21", offsetof(CPUState, fpr[21]) }, { "f22", offsetof(CPUState, fpr[22]) }, { "f23", offsetof(CPUState, fpr[23]) }, { "f24", offsetof(CPUState, fpr[24]) }, { "f25", offsetof(CPUState, fpr[25]) }, { "f26", offsetof(CPUState, fpr[26]) }, { "f27", offsetof(CPUState, fpr[27]) }, { "f28", offsetof(CPUState, fpr[28]) }, { "f29", offsetof(CPUState, fpr[29]) }, { "f30", offsetof(CPUState, fpr[30]) }, { "f31", offsetof(CPUState, fpr[31]) }, #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, md->offset); } 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 '\'': pch++; if (*pch == '\0') expr_error("character constant expected"); n = *pch; pch++; if (*pch != '\'') expr_error("missing terminating \' character"); 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(;;) { op = *pch; if (op != '*' && op != '/' && op != '%') break; next(); val2 = expr_unary(); switch(op) { default: case '*': val *= val2; break; case '/': case '%': if (val2 == 0) expr_error("division by zero"); if (op == '/') val /= val2; else val %= val2; break; } } 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; } } 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; q = buf; p = *pp; while (isspace(*p)) p++; if (*p == '\0') { fail: *q = '\0'; *pp = p; return -1; } 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 monitor_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 /* 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(cmdname, cmd->name)) goto found; } term_printf("unknown command: '%s'\n", cmdname); return; found: 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 'B': 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) { switch(c) { case 'F': term_printf("%s: filename expected\n", cmdname); break; case 'B': term_printf("%s: block device name expected\n", cmdname); break; default: term_printf("%s: string expected\n", cmdname); break; } 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 cmd_completion(const char *name, const char *list) { const char *p, *pstart; char cmd[128]; int len; p = list; for(;;) { pstart = p; p = strchr(p, '|'); if (!p) p = pstart + strlen(pstart); len = p - pstart; if (len > sizeof(cmd) - 2) len = sizeof(cmd) - 2; memcpy(cmd, pstart, len); cmd[len] = '\0'; if (name[0] == '\0' || !strncmp(name, cmd, strlen(name))) { add_completion(cmd); } if (*p == '\0') break; p++; } } static void file_completion(const char *input) { DIR *ffs; struct dirent *d; char path[1024]; char file[1024], file_prefix[1024]; int input_path_len; const char *p; p = strrchr(input, '/'); if (!p) { input_path_len = 0; pstrcpy(file_prefix, sizeof(file_prefix), input); strcpy(path, "."); } else { input_path_len = p - input + 1; memcpy(path, input, input_path_len); if (input_path_len > sizeof(path) - 1) input_path_len = sizeof(path) - 1; path[input_path_len] = '\0'; pstrcpy(file_prefix, sizeof(file_prefix), p + 1); } #ifdef DEBUG_COMPLETION term_printf("input='%s' path='%s' prefix='%s'\n", input, path, file_prefix); #endif ffs = opendir(path); if (!ffs) return; for(;;) { struct stat sb; d = readdir(ffs); if (!d) break; if (strstart(d->d_name, file_prefix, NULL)) { memcpy(file, input, input_path_len); strcpy(file + input_path_len, d->d_name); /* stat the file to find out if it's a directory. * In that case add a slash to speed up typing long paths */ stat(file, &sb); if(S_ISDIR(sb.st_mode)) strcat(file, "/"); add_completion(file); } } closedir(ffs); } static void block_completion_it(void *opaque, const char *name) { const char *input = opaque; if (input[0] == '\0' || !strncmp(name, (char *)input, strlen(input))) { add_completion(name); } } /* NOTE: this parser is an approximate form of the real command parser */ static void parse_cmdline(const char *cmdline, int *pnb_args, char **args) { const char *p; int nb_args, ret; char buf[1024]; p = cmdline; nb_args = 0; for(;;) { while (isspace(*p)) p++; if (*p == '\0') break; if (nb_args >= MAX_ARGS) break; ret = get_str(buf, sizeof(buf), &p); args[nb_args] = qemu_strdup(buf); nb_args++; if (ret < 0) break; } *pnb_args = nb_args; } void readline_find_completion(const char *cmdline) { const char *cmdname; char *args[MAX_ARGS]; int nb_args, i, len; const char *ptype, *str; term_cmd_t *cmd; parse_cmdline(cmdline, &nb_args, args); #ifdef DEBUG_COMPLETION for(i = 0; i < nb_args; i++) { term_printf("arg%d = '%s'\n", i, (char *)args[i]); } #endif /* if the line ends with a space, it means we want to complete the next arg */ len = strlen(cmdline); if (len > 0 && isspace(cmdline[len - 1])) { if (nb_args >= MAX_ARGS) return; args[nb_args++] = qemu_strdup(""); } if (nb_args <= 1) { /* command completion */ if (nb_args == 0) cmdname = ""; else cmdname = args[0]; completion_index = strlen(cmdname); for(cmd = term_cmds; cmd->name != NULL; cmd++) { cmd_completion(cmdname, cmd->name); } } else { /* find the command */ for(cmd = term_cmds; cmd->name != NULL; cmd++) { if (compare_cmd(args[0], cmd->name)) goto found; } return; found: ptype = cmd->args_type; for(i = 0; i < nb_args - 2; i++) { if (*ptype != '\0') { ptype++; while (*ptype == '?') ptype++; } } str = args[nb_args - 1]; switch(*ptype) { case 'F': /* file completion */ completion_index = strlen(str); file_completion(str); break; case 'B': /* block device name completion */ completion_index = strlen(str); bdrv_iterate(block_completion_it, (void *)str); break; default: break; } } for(i = 0; i < nb_args; i++) qemu_free(args[i]); } static int term_can_read(void *opaque) { return 128; } static void term_read(void *opaque, const uint8_t *buf, int size) { int i; for(i = 0; i < size; i++) readline_handle_byte(buf[i]); } static void monitor_start_input(void); static void monitor_handle_command1(void *opaque, const char *cmdline) { monitor_handle_command(cmdline); monitor_start_input(); } static void monitor_start_input(void) { readline_start("(qemu) ", 0, monitor_handle_command1, NULL); } void monitor_init(CharDriverState *hd, int show_banner) { monitor_hd = hd; if (show_banner) { term_printf("QEMU %s monitor - type 'help' for more information\n", QEMU_VERSION); } qemu_chr_add_read_handler(hd, term_can_read, term_read, NULL); monitor_start_input(); } /* XXX: use threads ? */ /* modal monitor readline */ static int monitor_readline_started; static char *monitor_readline_buf; static int monitor_readline_buf_size; static void monitor_readline_cb(void *opaque, const char *input) { pstrcpy(monitor_readline_buf, monitor_readline_buf_size, input); monitor_readline_started = 0; } void monitor_readline(const char *prompt, int is_password, char *buf, int buf_size) { if (is_password) { qemu_chr_send_event(monitor_hd, CHR_EVENT_FOCUS); } readline_start(prompt, is_password, monitor_readline_cb, NULL); monitor_readline_buf = buf; monitor_readline_buf_size = buf_size; monitor_readline_started = 1; while (monitor_readline_started) { main_loop_wait(10); } }