[qemu.git] / arch_init.c

/*
 * QEMU System Emulator
 *
 * Copyright (c) 2003-2008 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 <stdint.h>
#include <stdarg.h>
#ifndef _WIN32
#include <sys/types.h>
#include <sys/mman.h>
#endif
#include "config.h"
#include "monitor.h"
#include "sysemu.h"
#include "arch_init.h"
#include "audio/audio.h"
#include "hw/pc.h"
#include "hw/pci.h"
#include "hw/audiodev.h"
#include "kvm.h"
#include "migration.h"
#include "net.h"
#include "gdbstub.h"
#include "hw/smbios.h"

#ifdef TARGET_SPARC
int graphic_width = 1024;
int graphic_height = 768;
int graphic_depth = 8;
#else
int graphic_width = 800;
int graphic_height = 600;
int graphic_depth = 15;
#endif

const char arch_config_name[] = CONFIG_QEMU_CONFDIR "/target-" TARGET_ARCH ".conf";

#if defined(TARGET_ALPHA)
#define QEMU_ARCH QEMU_ARCH_ALPHA
#elif defined(TARGET_ARM)
#define QEMU_ARCH QEMU_ARCH_ARM
#elif defined(TARGET_CRIS)
#define QEMU_ARCH QEMU_ARCH_CRIS
#elif defined(TARGET_I386)
#define QEMU_ARCH QEMU_ARCH_I386
#elif defined(TARGET_M68K)
#define QEMU_ARCH QEMU_ARCH_M68K
#elif defined(TARGET_MICROBLAZE)
#define QEMU_ARCH QEMU_ARCH_MICROBLAZE
#elif defined(TARGET_MIPS)
#define QEMU_ARCH QEMU_ARCH_MIPS
#elif defined(TARGET_PPC)
#define QEMU_ARCH QEMU_ARCH_PPC
#elif defined(TARGET_S390X)
#define QEMU_ARCH QEMU_ARCH_S390X
#elif defined(TARGET_SH4)
#define QEMU_ARCH QEMU_ARCH_SH4
#elif defined(TARGET_SPARC)
#define QEMU_ARCH QEMU_ARCH_SPARC
#endif

const uint32_t arch_type = QEMU_ARCH;

/***********************************************************/
/* ram save/restore */

#define RAM_SAVE_FLAG_FULL	0x01 /* Obsolete, not used anymore */
#define RAM_SAVE_FLAG_COMPRESS	0x02
#define RAM_SAVE_FLAG_MEM_SIZE	0x04
#define RAM_SAVE_FLAG_PAGE	0x08
#define RAM_SAVE_FLAG_EOS	0x10

static int is_dup_page(uint8_t *page, uint8_t ch)
{
    uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch;
    uint32_t *array = (uint32_t *)page;
    int i;

    for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) {
        if (array[i] != val) {
            return 0;
        }
    }

    return 1;
}

static int ram_save_block(QEMUFile *f)
{
    static ram_addr_t current_addr = 0;
    ram_addr_t saved_addr = current_addr;
    ram_addr_t addr = 0;
    int bytes_sent = 0;

    while (addr < ram_list.last_offset) {
        if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) {
            uint8_t *p;

            cpu_physical_memory_reset_dirty(current_addr,
                                            current_addr + TARGET_PAGE_SIZE,
                                            MIGRATION_DIRTY_FLAG);

            p = qemu_get_ram_ptr(current_addr);

            if (is_dup_page(p, *p)) {
                qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_COMPRESS);
                qemu_put_byte(f, *p);
                bytes_sent = 1;
            } else {
                qemu_put_be64(f, current_addr | RAM_SAVE_FLAG_PAGE);
                qemu_put_buffer(f, p, TARGET_PAGE_SIZE);
                bytes_sent = TARGET_PAGE_SIZE;
            }

            break;
        }
        addr += TARGET_PAGE_SIZE;
        current_addr = (saved_addr + addr) % ram_list.last_offset;
    }

    return bytes_sent;
}

static uint64_t bytes_transferred;

static ram_addr_t ram_save_remaining(void)
{
    ram_addr_t addr;
    ram_addr_t count = 0;

    for (addr = 0; addr < ram_list.last_offset; addr += TARGET_PAGE_SIZE) {
        if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) {
            count++;
        }
    }

    return count;
}

uint64_t ram_bytes_remaining(void)
{
    return ram_save_remaining() * TARGET_PAGE_SIZE;
}

uint64_t ram_bytes_transferred(void)
{
    return bytes_transferred;
}

uint64_t ram_bytes_total(void)
{
    return ram_list.last_offset;
}

int ram_save_live(Monitor *mon, QEMUFile *f, int stage, void *opaque)
{
    ram_addr_t addr;
    uint64_t bytes_transferred_last;
    double bwidth = 0;
    uint64_t expected_time = 0;

    if (stage < 0) {
        cpu_physical_memory_set_dirty_tracking(0);
        return 0;
    }

    if (cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX) != 0) {
        qemu_file_set_error(f);
        return 0;
    }

    if (stage == 1) {
        bytes_transferred = 0;

        /* Make sure all dirty bits are set */
        for (addr = 0; addr < ram_list.last_offset; addr += TARGET_PAGE_SIZE) {
            if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) {
                cpu_physical_memory_set_dirty(addr);
            }
        }

        /* Enable dirty memory tracking */
        cpu_physical_memory_set_dirty_tracking(1);

        qemu_put_be64(f, ram_list.last_offset | RAM_SAVE_FLAG_MEM_SIZE);
    }

    bytes_transferred_last = bytes_transferred;
    bwidth = qemu_get_clock_ns(rt_clock);

    while (!qemu_file_rate_limit(f)) {
        int bytes_sent;

        bytes_sent = ram_save_block(f);
        bytes_transferred += bytes_sent;
        if (bytes_sent == 0) { /* no more blocks */
            break;
        }
    }

    bwidth = qemu_get_clock_ns(rt_clock) - bwidth;
    bwidth = (bytes_transferred - bytes_transferred_last) / bwidth;

    /* if we haven't transferred anything this round, force expected_time to a
     * a very high value, but without crashing */
    if (bwidth == 0) {
        bwidth = 0.000001;
    }

    /* try transferring iterative blocks of memory */
    if (stage == 3) {
        int bytes_sent;

        /* flush all remaining blocks regardless of rate limiting */
        while ((bytes_sent = ram_save_block(f)) != 0) {
            bytes_transferred += bytes_sent;
        }
        cpu_physical_memory_set_dirty_tracking(0);
    }

    qemu_put_be64(f, RAM_SAVE_FLAG_EOS);

    expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;

    return (stage == 2) && (expected_time <= migrate_max_downtime());
}

int ram_load(QEMUFile *f, void *opaque, int version_id)
{
    ram_addr_t addr;
    int flags;

    if (version_id != 3) {
        return -EINVAL;
    }

    do {
        addr = qemu_get_be64(f);

        flags = addr & ~TARGET_PAGE_MASK;
        addr &= TARGET_PAGE_MASK;

        if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
            if (addr != ram_list.last_offset) {
                return -EINVAL;
            }
        }

        if (flags & RAM_SAVE_FLAG_COMPRESS) {
            uint8_t ch = qemu_get_byte(f);
            memset(qemu_get_ram_ptr(addr), ch, TARGET_PAGE_SIZE);
#ifndef _WIN32
            if (ch == 0 &&
                (!kvm_enabled() || kvm_has_sync_mmu())) {
                madvise(qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE,
                        MADV_DONTNEED);
            }
#endif
        } else if (flags & RAM_SAVE_FLAG_PAGE) {
            qemu_get_buffer(f, qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE);
        }
        if (qemu_file_has_error(f)) {
            return -EIO;
        }
    } while (!(flags & RAM_SAVE_FLAG_EOS));

    return 0;
}

void qemu_service_io(void)
{
    qemu_notify_event();
}

#ifdef HAS_AUDIO
struct soundhw soundhw[] = {
#ifdef HAS_AUDIO_CHOICE
#if defined(TARGET_I386) || defined(TARGET_MIPS)
    {
        "pcspk",
        "PC speaker",
        0,
        1,
        { .init_isa = pcspk_audio_init }
    },
#endif

#ifdef CONFIG_SB16
    {
        "sb16",
        "Creative Sound Blaster 16",
        0,
        1,
        { .init_isa = SB16_init }
    },
#endif

#ifdef CONFIG_CS4231A
    {
        "cs4231a",
        "CS4231A",
        0,
        1,
        { .init_isa = cs4231a_init }
    },
#endif

#ifdef CONFIG_ADLIB
    {
        "adlib",
#ifdef HAS_YMF262
        "Yamaha YMF262 (OPL3)",
#else
        "Yamaha YM3812 (OPL2)",
#endif
        0,
        1,
        { .init_isa = Adlib_init }
    },
#endif

#ifdef CONFIG_GUS
    {
        "gus",
        "Gravis Ultrasound GF1",
        0,
        1,
        { .init_isa = GUS_init }
    },
#endif

#ifdef CONFIG_AC97
    {
        "ac97",
        "Intel 82801AA AC97 Audio",
        0,
        0,
        { .init_pci = ac97_init }
    },
#endif

#ifdef CONFIG_ES1370
    {
        "es1370",
        "ENSONIQ AudioPCI ES1370",
        0,
        0,
        { .init_pci = es1370_init }
    },
#endif

#endif /* HAS_AUDIO_CHOICE */

    { NULL, NULL, 0, 0, { NULL } }
};

void select_soundhw(const char *optarg)
{
    struct soundhw *c;

    if (*optarg == '?') {
    show_valid_cards:

        printf("Valid sound card names (comma separated):\n");
        for (c = soundhw; c->name; ++c) {
            printf ("%-11s %s\n", c->name, c->descr);
        }
        printf("\n-soundhw all will enable all of the above\n");
        exit(*optarg != '?');
    }
    else {
        size_t l;
        const char *p;
        char *e;
        int bad_card = 0;

        if (!strcmp(optarg, "all")) {
            for (c = soundhw; c->name; ++c) {
                c->enabled = 1;
            }
            return;
        }

        p = optarg;
        while (*p) {
            e = strchr(p, ',');
            l = !e ? strlen(p) : (size_t) (e - p);

            for (c = soundhw; c->name; ++c) {
                if (!strncmp(c->name, p, l) && !c->name[l]) {
                    c->enabled = 1;
                    break;
                }
            }

            if (!c->name) {
                if (l > 80) {
                    fprintf(stderr,
                            "Unknown sound card name (too big to show)\n");
                }
                else {
                    fprintf(stderr, "Unknown sound card name `%.*s'\n",
                            (int) l, p);
                }
                bad_card = 1;
            }
            p += l + (e != NULL);
        }

        if (bad_card) {
            goto show_valid_cards;
        }
    }
}
#else
void select_soundhw(const char *optarg)
{
}
#endif

int qemu_uuid_parse(const char *str, uint8_t *uuid)
{
    int ret;

    if (strlen(str) != 36) {
        return -1;
    }

    ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3],
                 &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9],
                 &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14],
                 &uuid[15]);

    if (ret != 16) {
        return -1;
    }
#ifdef TARGET_I386
    smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid);
#endif
    return 0;
}

void do_acpitable_option(const char *optarg)
{
#ifdef TARGET_I386
    if (acpi_table_add(optarg) < 0) {
        fprintf(stderr, "Wrong acpi table provided\n");
        exit(1);
    }
#endif
}

void do_smbios_option(const char *optarg)
{
#ifdef TARGET_I386
    if (smbios_entry_add(optarg) < 0) {
        fprintf(stderr, "Wrong smbios provided\n");
        exit(1);
    }
#endif
}

void cpudef_init(void)
{
#if defined(cpudef_setup)
    cpudef_setup(); /* parse cpu definitions in target config file */
#endif
}

int audio_available(void)
{
#ifdef HAS_AUDIO
    return 1;
#else
    return 0;
#endif
}

int kvm_available(void)
{
#ifdef CONFIG_KVM
    return 1;
#else
    return 0;
#endif
}

int xen_available(void)
{
#ifdef CONFIG_XEN
    return 1;
#else
    return 0;
#endif
}
Commit	Line	Data
ad96090a BS	1	/*
	2	* QEMU System Emulator
	3	*
	4	* Copyright (c) 2003-2008 Fabrice Bellard
	5	*
	6	* Permission is hereby granted, free of charge, to any person obtaining a copy
	7	* of this software and associated documentation files (the "Software"), to deal
	8	* in the Software without restriction, including without limitation the rights
	9	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	10	* copies of the Software, and to permit persons to whom the Software is
	11	* furnished to do so, subject to the following conditions:
	12	*
	13	* The above copyright notice and this permission notice shall be included in
	14	* all copies or substantial portions of the Software.
	15	*
	16	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	17	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	18	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	19	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	20	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	21	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
	22	* THE SOFTWARE.
	23	*/
	24	#include <stdint.h>
	25	#include <stdarg.h>
	26	#ifndef _WIN32
1c47cb16	27	#include <sys/types.h>
ad96090a BS	28	#include <sys/mman.h>
	29	#endif
	30	#include "config.h"
	31	#include "monitor.h"
	32	#include "sysemu.h"
	33	#include "arch_init.h"
	34	#include "audio/audio.h"
	35	#include "hw/pc.h"
	36	#include "hw/pci.h"
	37	#include "hw/audiodev.h"
	38	#include "kvm.h"
	39	#include "migration.h"
	40	#include "net.h"
	41	#include "gdbstub.h"
	42	#include "hw/smbios.h"
	43
	44	#ifdef TARGET_SPARC
	45	int graphic_width = 1024;
	46	int graphic_height = 768;
	47	int graphic_depth = 8;
	48	#else
	49	int graphic_width = 800;
	50	int graphic_height = 600;
	51	int graphic_depth = 15;
	52	#endif
	53
	54	const char arch_config_name[] = CONFIG_QEMU_CONFDIR "/target-" TARGET_ARCH ".conf";
	55
	56	#if defined(TARGET_ALPHA)
	57	#define QEMU_ARCH QEMU_ARCH_ALPHA
	58	#elif defined(TARGET_ARM)
	59	#define QEMU_ARCH QEMU_ARCH_ARM
	60	#elif defined(TARGET_CRIS)
	61	#define QEMU_ARCH QEMU_ARCH_CRIS
	62	#elif defined(TARGET_I386)
	63	#define QEMU_ARCH QEMU_ARCH_I386
	64	#elif defined(TARGET_M68K)
	65	#define QEMU_ARCH QEMU_ARCH_M68K
	66	#elif defined(TARGET_MICROBLAZE)
	67	#define QEMU_ARCH QEMU_ARCH_MICROBLAZE
	68	#elif defined(TARGET_MIPS)
	69	#define QEMU_ARCH QEMU_ARCH_MIPS
	70	#elif defined(TARGET_PPC)
	71	#define QEMU_ARCH QEMU_ARCH_PPC
	72	#elif defined(TARGET_S390X)
	73	#define QEMU_ARCH QEMU_ARCH_S390X
	74	#elif defined(TARGET_SH4)
	75	#define QEMU_ARCH QEMU_ARCH_SH4
	76	#elif defined(TARGET_SPARC)
	77	#define QEMU_ARCH QEMU_ARCH_SPARC
	78	#endif
	79
	80	const uint32_t arch_type = QEMU_ARCH;
	81
	82	/***********************************************************/
	83	/* ram save/restore */
	84
	85	#define RAM_SAVE_FLAG_FULL 0x01 /* Obsolete, not used anymore */
	86	#define RAM_SAVE_FLAG_COMPRESS 0x02
	87	#define RAM_SAVE_FLAG_MEM_SIZE 0x04
	88	#define RAM_SAVE_FLAG_PAGE 0x08
	89	#define RAM_SAVE_FLAG_EOS 0x10
	90
	91	static int is_dup_page(uint8_t *page, uint8_t ch)
92	{
93	uint32_t val = ch << 24 \| ch << 16 \| ch << 8 \| ch;
94	uint32_t array = (uint32_t )page;
95	int i;
96
97	for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) {
98	if (array[i] != val) {
99	return 0;
100	}
101	}
102
103	return 1;
104	}
105
106	static int ram_save_block(QEMUFile *f)
107	{
108	static ram_addr_t current_addr = 0;
109	ram_addr_t saved_addr = current_addr;
110	ram_addr_t addr = 0;
3fc250b4	111	int bytes_sent = 0;
ad96090a	112
f471a17e	113	while (addr < ram_list.last_offset) {
ad96090a BS	114	if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) {
	115	uint8_t *p;
	116
	117	cpu_physical_memory_reset_dirty(current_addr,
	118	current_addr + TARGET_PAGE_SIZE,
	119	MIGRATION_DIRTY_FLAG);
	120
	121	p = qemu_get_ram_ptr(current_addr);
	122
	123	if (is_dup_page(p, *p)) {
	124	qemu_put_be64(f, current_addr \| RAM_SAVE_FLAG_COMPRESS);
	125	qemu_put_byte(f, *p);
3fc250b4	126	bytes_sent = 1;
ad96090a BS	127	} else {
	128	qemu_put_be64(f, current_addr \| RAM_SAVE_FLAG_PAGE);
	129	qemu_put_buffer(f, p, TARGET_PAGE_SIZE);
3fc250b4	130	bytes_sent = TARGET_PAGE_SIZE;
ad96090a BS	131	}
ad96090a BS	132
ad96090a BS	133	break;
	134	}
	135	addr += TARGET_PAGE_SIZE;
f471a17e	136	current_addr = (saved_addr + addr) % ram_list.last_offset;
ad96090a BS	137	}
ad96090a BS	138
3fc250b4	139	return bytes_sent;
ad96090a BS	140	}
	141
	142	static uint64_t bytes_transferred;
	143
	144	static ram_addr_t ram_save_remaining(void)
	145	{
	146	ram_addr_t addr;
	147	ram_addr_t count = 0;
	148
f471a17e	149	for (addr = 0; addr < ram_list.last_offset; addr += TARGET_PAGE_SIZE) {
ad96090a BS	150	if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) {
	151	count++;
	152	}
	153	}
	154
	155	return count;
	156	}
	157
	158	uint64_t ram_bytes_remaining(void)
	159	{
	160	return ram_save_remaining() * TARGET_PAGE_SIZE;
	161	}
	162
	163	uint64_t ram_bytes_transferred(void)
	164	{
	165	return bytes_transferred;
	166	}
	167
	168	uint64_t ram_bytes_total(void)
	169	{
f471a17e	170	return ram_list.last_offset;
ad96090a BS	171	}
	172
	173	int ram_save_live(Monitor mon, QEMUFile f, int stage, void *opaque)
	174	{
	175	ram_addr_t addr;
	176	uint64_t bytes_transferred_last;
	177	double bwidth = 0;
	178	uint64_t expected_time = 0;
	179
	180	if (stage < 0) {
	181	cpu_physical_memory_set_dirty_tracking(0);
	182	return 0;
	183	}
	184
	185	if (cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX) != 0) {
	186	qemu_file_set_error(f);
	187	return 0;
	188	}
	189
	190	if (stage == 1) {
	191	bytes_transferred = 0;
	192
	193	/* Make sure all dirty bits are set */
f471a17e	194	for (addr = 0; addr < ram_list.last_offset; addr += TARGET_PAGE_SIZE) {
ad96090a BS	195	if (!cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) {
	196	cpu_physical_memory_set_dirty(addr);
	197	}
	198	}
	199
	200	/* Enable dirty memory tracking */
	201	cpu_physical_memory_set_dirty_tracking(1);
	202
f471a17e	203	qemu_put_be64(f, ram_list.last_offset \| RAM_SAVE_FLAG_MEM_SIZE);
ad96090a BS	204	}
	205
	206	bytes_transferred_last = bytes_transferred;
	207	bwidth = qemu_get_clock_ns(rt_clock);
	208
	209	while (!qemu_file_rate_limit(f)) {
3fc250b4	210	int bytes_sent;
ad96090a	211
3fc250b4 PR	212	bytes_sent = ram_save_block(f);
	213	bytes_transferred += bytes_sent;
	214	if (bytes_sent == 0) { /* no more blocks */
ad96090a BS	215	break;
	216	}
	217	}
	218
	219	bwidth = qemu_get_clock_ns(rt_clock) - bwidth;
	220	bwidth = (bytes_transferred - bytes_transferred_last) / bwidth;
	221
	222	/* if we haven't transferred anything this round, force expected_time to a
	223	* a very high value, but without crashing */
	224	if (bwidth == 0) {
	225	bwidth = 0.000001;
	226	}
	227
	228	/* try transferring iterative blocks of memory */
	229	if (stage == 3) {
3fc250b4 PR	230	int bytes_sent;
3fc250b4 PR	231
ad96090a	232	/* flush all remaining blocks regardless of rate limiting */
3fc250b4 PR	233	while ((bytes_sent = ram_save_block(f)) != 0) {
3fc250b4 PR	234	bytes_transferred += bytes_sent;
ad96090a BS	235	}
	236	cpu_physical_memory_set_dirty_tracking(0);
	237	}
	238
	239	qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
	240
	241	expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;
	242
	243	return (stage == 2) && (expected_time <= migrate_max_downtime());
	244	}
	245
	246	int ram_load(QEMUFile f, void opaque, int version_id)
	247	{
	248	ram_addr_t addr;
	249	int flags;
	250
	251	if (version_id != 3) {
	252	return -EINVAL;
	253	}
	254
	255	do {
	256	addr = qemu_get_be64(f);
	257
	258	flags = addr & ~TARGET_PAGE_MASK;
	259	addr &= TARGET_PAGE_MASK;
	260
	261	if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
f471a17e	262	if (addr != ram_list.last_offset) {
ad96090a BS	263	return -EINVAL;
	264	}
	265	}
	266
	267	if (flags & RAM_SAVE_FLAG_COMPRESS) {
	268	uint8_t ch = qemu_get_byte(f);
	269	memset(qemu_get_ram_ptr(addr), ch, TARGET_PAGE_SIZE);
	270	#ifndef _WIN32
	271	if (ch == 0 &&
	272	(!kvm_enabled() \|\| kvm_has_sync_mmu())) {
	273	madvise(qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE,
	274	MADV_DONTNEED);
	275	}
	276	#endif
	277	} else if (flags & RAM_SAVE_FLAG_PAGE) {
	278	qemu_get_buffer(f, qemu_get_ram_ptr(addr), TARGET_PAGE_SIZE);
	279	}
	280	if (qemu_file_has_error(f)) {
	281	return -EIO;
	282	}
	283	} while (!(flags & RAM_SAVE_FLAG_EOS));
	284
	285	return 0;
	286	}
	287
	288	void qemu_service_io(void)
	289	{
	290	qemu_notify_event();
	291	}
	292
	293	#ifdef HAS_AUDIO
	294	struct soundhw soundhw[] = {
	295	#ifdef HAS_AUDIO_CHOICE
	296	#if defined(TARGET_I386) \|\| defined(TARGET_MIPS)
	297	{
	298	"pcspk",
	299	"PC speaker",
	300	0,
	301	1,
	302	{ .init_isa = pcspk_audio_init }
	303	},
	304	#endif
	305
	306	#ifdef CONFIG_SB16
	307	{
	308	"sb16",
	309	"Creative Sound Blaster 16",
	310	0,
	311	1,
	312	{ .init_isa = SB16_init }
	313	},
	314	#endif
	315
	316	#ifdef CONFIG_CS4231A
	317	{
	318	"cs4231a",
	319	"CS4231A",
	320	0,
	321	1,
	322	{ .init_isa = cs4231a_init }
	323	},
	324	#endif
	325
	326	#ifdef CONFIG_ADLIB
327	{
328	"adlib",
329	#ifdef HAS_YMF262
330	"Yamaha YMF262 (OPL3)",
331	#else
332	"Yamaha YM3812 (OPL2)",
333	#endif
334	0,
335	1,
336	{ .init_isa = Adlib_init }
337	},
338	#endif
339
340	#ifdef CONFIG_GUS
341	{
342	"gus",
343	"Gravis Ultrasound GF1",
344	0,
345	1,
346	{ .init_isa = GUS_init }
347	},
348	#endif
349
350	#ifdef CONFIG_AC97
351	{
352	"ac97",
353	"Intel 82801AA AC97 Audio",
354	0,
355	0,
356	{ .init_pci = ac97_init }
357	},
358	#endif
359
360	#ifdef CONFIG_ES1370
361	{
362	"es1370",
363	"ENSONIQ AudioPCI ES1370",
364	0,
365	0,
366	{ .init_pci = es1370_init }
367	},
368	#endif
369
370	#endif /* HAS_AUDIO_CHOICE */
371
372	{ NULL, NULL, 0, 0, { NULL } }
373	};
374
375	void select_soundhw(const char *optarg)
376	{
377	struct soundhw *c;
378
379	if (*optarg == '?') {
380	show_valid_cards:
381
382	printf("Valid sound card names (comma separated):\n");
383	for (c = soundhw; c->name; ++c) {
384	printf ("%-11s %s\n", c->name, c->descr);
385	}
386	printf("\n-soundhw all will enable all of the above\n");
387	exit(*optarg != '?');
388	}
389	else {
390	size_t l;
391	const char *p;
392	char *e;
393	int bad_card = 0;
394
395	if (!strcmp(optarg, "all")) {
396	for (c = soundhw; c->name; ++c) {
397	c->enabled = 1;
398	}
399	return;
400	}
401
402	p = optarg;
403	while (*p) {
404	e = strchr(p, ',');
405	l = !e ? strlen(p) : (size_t) (e - p);
406
407	for (c = soundhw; c->name; ++c) {
408	if (!strncmp(c->name, p, l) && !c->name[l]) {
409	c->enabled = 1;
410	break;
411	}
412	}
413
414	if (!c->name) {
415	if (l > 80) {
416	fprintf(stderr,
417	"Unknown sound card name (too big to show)\n");
418	}
419	else {
420	fprintf(stderr, "Unknown sound card name `%.*s'\n",
421	(int) l, p);
422	}
423	bad_card = 1;
424	}
425	p += l + (e != NULL);
426	}
427
428	if (bad_card) {
429	goto show_valid_cards;
430	}
431	}
432	}
433	#else
434	void select_soundhw(const char *optarg)
435	{
436	}
437	#endif
438
439	int qemu_uuid_parse(const char str, uint8_t uuid)
440	{
441	int ret;
442
443	if (strlen(str) != 36) {
444	return -1;
445	}
446
447	ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3],
448	&uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9],
449	&uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14],
450	&uuid[15]);
451
452	if (ret != 16) {
453	return -1;
454	}
455	#ifdef TARGET_I386
456	smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid);
457	#endif
458	return 0;
459	}
460
461	void do_acpitable_option(const char *optarg)
462	{
463	#ifdef TARGET_I386
464	if (acpi_table_add(optarg) < 0) {
465	fprintf(stderr, "Wrong acpi table provided\n");
466	exit(1);
467	}
468	#endif
469	}
470
471	void do_smbios_option(const char *optarg)
472	{
473	#ifdef TARGET_I386
474	if (smbios_entry_add(optarg) < 0) {
475	fprintf(stderr, "Wrong smbios provided\n");
476	exit(1);
477	}
478	#endif
479	}
480
481	void cpudef_init(void)
482	{
483	#if defined(cpudef_setup)
484	cpudef_setup(); /* parse cpu definitions in target config file */
485	#endif
486	}
487
488	int audio_available(void)
489	{
490	#ifdef HAS_AUDIO
491	return 1;
492	#else
493	return 0;
494	#endif
495	}
496
497	int kvm_available(void)
498	{
499	#ifdef CONFIG_KVM
500	return 1;
501	#else
502	return 0;
503	#endif
504	}
505
506	int xen_available(void)
507	{
508	#ifdef CONFIG_XEN
509	return 1;
510	#else
511	return 0;
512	#endif
513	}