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monitor.c
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monitor.c
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/*
* 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();
}
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", },
{ 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);
} MonitorDef;
#if defined(TARGET_I386)
static int monitor_get_pc (struct MonitorDef *md)
{
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)
{
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
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 '\'':
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++;