[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
#define RAM_SAVE_FLAG_CONTINUE 0x20

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 RAMBlock *last_block;
static ram_addr_t last_offset;

static int ram_save_block(QEMUFile *f)
{
    RAMBlock *block = last_block;
    ram_addr_t offset = last_offset;
    ram_addr_t current_addr;
    int bytes_sent = 0;

    if (!block)
        block = QLIST_FIRST(&ram_list.blocks);

    current_addr = block->offset + offset;

    do {
        if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) {
            uint8_t *p;
            int cont = (block == last_block) ? RAM_SAVE_FLAG_CONTINUE : 0;

            cpu_physical_memory_reset_dirty(current_addr,
                                            current_addr + TARGET_PAGE_SIZE,
                                            MIGRATION_DIRTY_FLAG);

            p = block->host + offset;

            if (is_dup_page(p, *p)) {
                qemu_put_be64(f, offset | cont | RAM_SAVE_FLAG_COMPRESS);
                if (!cont) {
                    qemu_put_byte(f, strlen(block->idstr));
                    qemu_put_buffer(f, (uint8_t *)block->idstr,
                                    strlen(block->idstr));
                }
                qemu_put_byte(f, *p);
                bytes_sent = 1;
            } else {
                qemu_put_be64(f, offset | cont | RAM_SAVE_FLAG_PAGE);
                if (!cont) {
                    qemu_put_byte(f, strlen(block->idstr));
                    qemu_put_buffer(f, (uint8_t *)block->idstr,
                                    strlen(block->idstr));
                }
                qemu_put_buffer(f, p, TARGET_PAGE_SIZE);
                bytes_sent = TARGET_PAGE_SIZE;
            }

            break;
        }

        offset += TARGET_PAGE_SIZE;
        if (offset >= block->length) {
            offset = 0;
            block = QLIST_NEXT(block, next);
            if (!block)
                block = QLIST_FIRST(&ram_list.blocks);
        }

        current_addr = block->offset + offset;

    } while (current_addr != last_block->offset + last_offset);

    last_block = block;
    last_offset = offset;

    return bytes_sent;
}

static uint64_t bytes_transferred;

static ram_addr_t ram_save_remaining(void)
{
    RAMBlock *block;
    ram_addr_t count = 0;

    QLIST_FOREACH(block, &ram_list.blocks, next) {
        ram_addr_t addr;
        for (addr = block->offset; addr < block->offset + block->length;
             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)
{
    RAMBlock *block;
    uint64_t total = 0;

    QLIST_FOREACH(block, &ram_list.blocks, next)
        total += block->length;

    return total;
}

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) {
        RAMBlock *block;
        bytes_transferred = 0;
        last_block = NULL;
        last_offset = 0;

        /* Make sure all dirty bits are set */
        QLIST_FOREACH(block, &ram_list.blocks, next) {
            for (addr = block->offset; addr < block->offset + block->length;
                 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_bytes_total() | RAM_SAVE_FLAG_MEM_SIZE);

        QLIST_FOREACH(block, &ram_list.blocks, next) {
            qemu_put_byte(f, strlen(block->idstr));
            qemu_put_buffer(f, (uint8_t *)block->idstr, strlen(block->idstr));
            qemu_put_be64(f, block->length);
        }
    }

    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());
}

static inline void *host_from_stream_offset(QEMUFile *f,
                                            ram_addr_t offset,
                                            int flags)
{
    static RAMBlock *block = NULL;
    char id[256];
    uint8_t len;

    if (flags & RAM_SAVE_FLAG_CONTINUE) {
        if (!block) {
            fprintf(stderr, "Ack, bad migration stream!\n");
            return NULL;
        }

        return block->host + offset;
    }

    len = qemu_get_byte(f);
    qemu_get_buffer(f, (uint8_t *)id, len);
    id[len] = 0;

    QLIST_FOREACH(block, &ram_list.blocks, next) {
        if (!strncmp(id, block->idstr, sizeof(id)))
            return block->host + offset;
    }

    fprintf(stderr, "Can't find block %s!\n", id);
    return NULL;
}

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

    if (version_id < 3 || version_id > 4) {
        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 (version_id == 3) {
                if (addr != ram_bytes_total()) {
                    return -EINVAL;
                }
            } else {
                /* Synchronize RAM block list */
                char id[256];
                ram_addr_t length;
                ram_addr_t total_ram_bytes = addr;

                while (total_ram_bytes) {
                    RAMBlock *block;
                    uint8_t len;

                    len = qemu_get_byte(f);
                    qemu_get_buffer(f, (uint8_t *)id, len);
                    id[len] = 0;
                    length = qemu_get_be64(f);

                    QLIST_FOREACH(block, &ram_list.blocks, next) {
                        if (!strncmp(id, block->idstr, sizeof(id))) {
                            if (block->length != length)
                                return -EINVAL;
                            break;
                        }
                    }

                    if (!block) {
                        fprintf(stderr, "Unknown ramblock \"%s\", cannot "
                                "accept migration\n", id);
                        return -EINVAL;
                    }

                    total_ram_bytes -= length;
                }
            }
        }

        if (flags & RAM_SAVE_FLAG_COMPRESS) {
            void *host;
            uint8_t ch;

            if (version_id == 3)
                host = qemu_get_ram_ptr(addr);
            else
                host = host_from_stream_offset(f, addr, flags);
            if (!host) {
                return -EINVAL;
            }

            ch = qemu_get_byte(f);
            memset(host, ch, TARGET_PAGE_SIZE);
#ifndef _WIN32
            if (ch == 0 &&
                (!kvm_enabled() || kvm_has_sync_mmu())) {
                qemu_madvise(host, TARGET_PAGE_SIZE, QEMU_MADV_DONTNEED);
            }
#endif
        } else if (flags & RAM_SAVE_FLAG_PAGE) {
            void *host;

            if (version_id == 3)
                host = qemu_get_ram_ptr(addr);
            else
                host = host_from_stream_offset(f, addr, flags);

            qemu_get_buffer(f, host, 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

#ifdef CONFIG_HDA
    {
        "hda",
        "Intel HD Audio",
        0,
        0,
        { .init_pci = intel_hda_and_codec_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
d20878d2 YT	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	#define RAM_SAVE_FLAG_CONTINUE 0x20
ad96090a BS	91
	92	static int is_dup_page(uint8_t *page, uint8_t ch)
	93	{
	94	uint32_t val = ch << 24 \| ch << 16 \| ch << 8 \| ch;
	95	uint32_t array = (uint32_t )page;
	96	int i;
	97
	98	for (i = 0; i < (TARGET_PAGE_SIZE / 4); i++) {
	99	if (array[i] != val) {
	100	return 0;
	101	}
	102	}
	103
	104	return 1;
	105	}
	106
760e77ea AW	107	static RAMBlock *last_block;
	108	static ram_addr_t last_offset;
	109
ad96090a BS	110	static int ram_save_block(QEMUFile *f)
ad96090a BS	111	{
e44359c3 AW	112	RAMBlock *block = last_block;
	113	ram_addr_t offset = last_offset;
	114	ram_addr_t current_addr;
3fc250b4	115	int bytes_sent = 0;
ad96090a	116
e44359c3 AW	117	if (!block)
	118	block = QLIST_FIRST(&ram_list.blocks);
	119
	120	current_addr = block->offset + offset;
	121
	122	do {
ad96090a BS	123	if (cpu_physical_memory_get_dirty(current_addr, MIGRATION_DIRTY_FLAG)) {
ad96090a BS	124	uint8_t *p;
a55bbe31	125	int cont = (block == last_block) ? RAM_SAVE_FLAG_CONTINUE : 0;
ad96090a BS	126
	127	cpu_physical_memory_reset_dirty(current_addr,
	128	current_addr + TARGET_PAGE_SIZE,
	129	MIGRATION_DIRTY_FLAG);
	130
97ab12d4	131	p = block->host + offset;
ad96090a BS	132
ad96090a BS	133	if (is_dup_page(p, *p)) {
a55bbe31 AW	134	qemu_put_be64(f, offset \| cont \| RAM_SAVE_FLAG_COMPRESS);
	135	if (!cont) {
	136	qemu_put_byte(f, strlen(block->idstr));
	137	qemu_put_buffer(f, (uint8_t *)block->idstr,
	138	strlen(block->idstr));
	139	}
ad96090a	140	qemu_put_byte(f, *p);
3fc250b4	141	bytes_sent = 1;
ad96090a	142	} else {
a55bbe31 AW	143	qemu_put_be64(f, offset \| cont \| RAM_SAVE_FLAG_PAGE);
	144	if (!cont) {
	145	qemu_put_byte(f, strlen(block->idstr));
	146	qemu_put_buffer(f, (uint8_t *)block->idstr,
	147	strlen(block->idstr));
	148	}
ad96090a	149	qemu_put_buffer(f, p, TARGET_PAGE_SIZE);
3fc250b4	150	bytes_sent = TARGET_PAGE_SIZE;
ad96090a BS	151	}
ad96090a BS	152
ad96090a BS	153	break;
ad96090a BS	154	}
e44359c3 AW	155
	156	offset += TARGET_PAGE_SIZE;
	157	if (offset >= block->length) {
	158	offset = 0;
	159	block = QLIST_NEXT(block, next);
	160	if (!block)
	161	block = QLIST_FIRST(&ram_list.blocks);
	162	}
	163
	164	current_addr = block->offset + offset;
	165
	166	} while (current_addr != last_block->offset + last_offset);
	167
	168	last_block = block;
	169	last_offset = offset;
ad96090a	170
3fc250b4	171	return bytes_sent;
ad96090a BS	172	}
	173
	174	static uint64_t bytes_transferred;
	175
	176	static ram_addr_t ram_save_remaining(void)
	177	{
e44359c3	178	RAMBlock *block;
ad96090a BS	179	ram_addr_t count = 0;
ad96090a BS	180
e44359c3 AW	181	QLIST_FOREACH(block, &ram_list.blocks, next) {
	182	ram_addr_t addr;
	183	for (addr = block->offset; addr < block->offset + block->length;
	184	addr += TARGET_PAGE_SIZE) {
	185	if (cpu_physical_memory_get_dirty(addr, MIGRATION_DIRTY_FLAG)) {
	186	count++;
	187	}
ad96090a BS	188	}
	189	}
	190
	191	return count;
	192	}
	193
	194	uint64_t ram_bytes_remaining(void)
	195	{
	196	return ram_save_remaining() * TARGET_PAGE_SIZE;
	197	}
	198
	199	uint64_t ram_bytes_transferred(void)
	200	{
	201	return bytes_transferred;
	202	}
	203
	204	uint64_t ram_bytes_total(void)
	205	{
d17b5288 AW	206	RAMBlock *block;
	207	uint64_t total = 0;
	208
	209	QLIST_FOREACH(block, &ram_list.blocks, next)
	210	total += block->length;
	211
	212	return total;
ad96090a BS	213	}
	214
	215	int ram_save_live(Monitor mon, QEMUFile f, int stage, void *opaque)
	216	{
	217	ram_addr_t addr;
	218	uint64_t bytes_transferred_last;
	219	double bwidth = 0;
	220	uint64_t expected_time = 0;
	221
	222	if (stage < 0) {
	223	cpu_physical_memory_set_dirty_tracking(0);
	224	return 0;
	225	}
	226
	227	if (cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX) != 0) {
	228	qemu_file_set_error(f);
	229	return 0;
	230	}
	231
	232	if (stage == 1) {
97ab12d4	233	RAMBlock *block;
ad96090a	234	bytes_transferred = 0;
760e77ea AW	235	last_block = NULL;
760e77ea AW	236	last_offset = 0;
ad96090a BS	237
ad96090a BS	238	/* Make sure all dirty bits are set */
e44359c3 AW	239	QLIST_FOREACH(block, &ram_list.blocks, next) {
	240	for (addr = block->offset; addr < block->offset + block->length;
	241	addr += TARGET_PAGE_SIZE) {
	242	if (!cpu_physical_memory_get_dirty(addr,
	243	MIGRATION_DIRTY_FLAG)) {
	244	cpu_physical_memory_set_dirty(addr);
	245	}
ad96090a BS	246	}
	247	}
	248
	249	/* Enable dirty memory tracking */
	250	cpu_physical_memory_set_dirty_tracking(1);
	251
e44359c3	252	qemu_put_be64(f, ram_bytes_total() \| RAM_SAVE_FLAG_MEM_SIZE);
97ab12d4 AW	253
	254	QLIST_FOREACH(block, &ram_list.blocks, next) {
	255	qemu_put_byte(f, strlen(block->idstr));
	256	qemu_put_buffer(f, (uint8_t *)block->idstr, strlen(block->idstr));
	257	qemu_put_be64(f, block->length);
	258	}
ad96090a BS	259	}
	260
	261	bytes_transferred_last = bytes_transferred;
	262	bwidth = qemu_get_clock_ns(rt_clock);
	263
	264	while (!qemu_file_rate_limit(f)) {
3fc250b4	265	int bytes_sent;
ad96090a	266
3fc250b4 PR	267	bytes_sent = ram_save_block(f);
	268	bytes_transferred += bytes_sent;
	269	if (bytes_sent == 0) { /* no more blocks */
ad96090a BS	270	break;
	271	}
	272	}
	273
	274	bwidth = qemu_get_clock_ns(rt_clock) - bwidth;
	275	bwidth = (bytes_transferred - bytes_transferred_last) / bwidth;
	276
	277	/* if we haven't transferred anything this round, force expected_time to a
	278	* a very high value, but without crashing */
	279	if (bwidth == 0) {
	280	bwidth = 0.000001;
	281	}
	282
	283	/* try transferring iterative blocks of memory */
	284	if (stage == 3) {
3fc250b4 PR	285	int bytes_sent;
3fc250b4 PR	286
ad96090a	287	/* flush all remaining blocks regardless of rate limiting */
3fc250b4 PR	288	while ((bytes_sent = ram_save_block(f)) != 0) {
3fc250b4 PR	289	bytes_transferred += bytes_sent;
ad96090a BS	290	}
	291	cpu_physical_memory_set_dirty_tracking(0);
	292	}
	293
	294	qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
	295
	296	expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;
	297
	298	return (stage == 2) && (expected_time <= migrate_max_downtime());
	299	}
	300
a55bbe31 AW	301	static inline void host_from_stream_offset(QEMUFile f,
	302	ram_addr_t offset,
	303	int flags)
	304	{
	305	static RAMBlock *block = NULL;
	306	char id[256];
	307	uint8_t len;
	308
	309	if (flags & RAM_SAVE_FLAG_CONTINUE) {
	310	if (!block) {
	311	fprintf(stderr, "Ack, bad migration stream!\n");
	312	return NULL;
	313	}
	314
	315	return block->host + offset;
	316	}
	317
	318	len = qemu_get_byte(f);
	319	qemu_get_buffer(f, (uint8_t *)id, len);
	320	id[len] = 0;
	321
	322	QLIST_FOREACH(block, &ram_list.blocks, next) {
	323	if (!strncmp(id, block->idstr, sizeof(id)))
	324	return block->host + offset;
	325	}
	326
	327	fprintf(stderr, "Can't find block %s!\n", id);
	328	return NULL;
	329	}
	330
ad96090a BS	331	int ram_load(QEMUFile f, void opaque, int version_id)
	332	{
	333	ram_addr_t addr;
	334	int flags;
	335
97ab12d4	336	if (version_id < 3 \|\| version_id > 4) {
ad96090a BS	337	return -EINVAL;
	338	}
	339
	340	do {
	341	addr = qemu_get_be64(f);
	342
	343	flags = addr & ~TARGET_PAGE_MASK;
	344	addr &= TARGET_PAGE_MASK;
	345
	346	if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
97ab12d4 AW	347	if (version_id == 3) {
	348	if (addr != ram_bytes_total()) {
	349	return -EINVAL;
	350	}
	351	} else {
	352	/* Synchronize RAM block list */
	353	char id[256];
	354	ram_addr_t length;
	355	ram_addr_t total_ram_bytes = addr;
	356
	357	while (total_ram_bytes) {
	358	RAMBlock *block;
	359	uint8_t len;
	360
	361	len = qemu_get_byte(f);
	362	qemu_get_buffer(f, (uint8_t *)id, len);
	363	id[len] = 0;
	364	length = qemu_get_be64(f);
	365
	366	QLIST_FOREACH(block, &ram_list.blocks, next) {
	367	if (!strncmp(id, block->idstr, sizeof(id))) {
	368	if (block->length != length)
	369	return -EINVAL;
	370	break;
	371	}
	372	}
	373
	374	if (!block) {
fb787f81 AW	375	fprintf(stderr, "Unknown ramblock \"%s\", cannot "
	376	"accept migration\n", id);
	377	return -EINVAL;
97ab12d4 AW	378	}
	379
	380	total_ram_bytes -= length;
	381	}
ad96090a BS	382	}
	383	}
	384
	385	if (flags & RAM_SAVE_FLAG_COMPRESS) {
97ab12d4 AW	386	void *host;
	387	uint8_t ch;
	388
a55bbe31	389	if (version_id == 3)
97ab12d4	390	host = qemu_get_ram_ptr(addr);
a55bbe31 AW	391	else
a55bbe31 AW	392	host = host_from_stream_offset(f, addr, flags);
492fb99c MT	393	if (!host) {
	394	return -EINVAL;
	395	}
97ab12d4	396
97ab12d4 AW	397	ch = qemu_get_byte(f);
97ab12d4 AW	398	memset(host, ch, TARGET_PAGE_SIZE);
ad96090a BS	399	#ifndef _WIN32
	400	if (ch == 0 &&
	401	(!kvm_enabled() \|\| kvm_has_sync_mmu())) {
e78815a5	402	qemu_madvise(host, TARGET_PAGE_SIZE, QEMU_MADV_DONTNEED);
ad96090a BS	403	}
	404	#endif
	405	} else if (flags & RAM_SAVE_FLAG_PAGE) {
97ab12d4 AW	406	void *host;
97ab12d4 AW	407
a55bbe31	408	if (version_id == 3)
97ab12d4	409	host = qemu_get_ram_ptr(addr);
a55bbe31 AW	410	else
a55bbe31 AW	411	host = host_from_stream_offset(f, addr, flags);
97ab12d4	412
97ab12d4	413	qemu_get_buffer(f, host, TARGET_PAGE_SIZE);
ad96090a BS	414	}
	415	if (qemu_file_has_error(f)) {
	416	return -EIO;
	417	}
	418	} while (!(flags & RAM_SAVE_FLAG_EOS));
	419
	420	return 0;
	421	}
	422
	423	void qemu_service_io(void)
	424	{
	425	qemu_notify_event();
	426	}
	427
	428	#ifdef HAS_AUDIO
	429	struct soundhw soundhw[] = {
	430	#ifdef HAS_AUDIO_CHOICE
	431	#if defined(TARGET_I386) \|\| defined(TARGET_MIPS)
	432	{
	433	"pcspk",
	434	"PC speaker",
	435	0,
	436	1,
	437	{ .init_isa = pcspk_audio_init }
	438	},
	439	#endif
	440
	441	#ifdef CONFIG_SB16
	442	{
	443	"sb16",
	444	"Creative Sound Blaster 16",
	445	0,
	446	1,
	447	{ .init_isa = SB16_init }
	448	},
	449	#endif
	450
	451	#ifdef CONFIG_CS4231A
	452	{
	453	"cs4231a",
	454	"CS4231A",
	455	0,
	456	1,
	457	{ .init_isa = cs4231a_init }
	458	},
	459	#endif
	460
	461	#ifdef CONFIG_ADLIB
	462	{
	463	"adlib",
	464	#ifdef HAS_YMF262
	465	"Yamaha YMF262 (OPL3)",
	466	#else
	467	"Yamaha YM3812 (OPL2)",
	468	#endif
	469	0,
	470	1,
	471	{ .init_isa = Adlib_init }
	472	},
	473	#endif
	474
	475	#ifdef CONFIG_GUS
	476	{
	477	"gus",
478	"Gravis Ultrasound GF1",
479	0,
480	1,
481	{ .init_isa = GUS_init }
482	},
483	#endif
484
485	#ifdef CONFIG_AC97
486	{
487	"ac97",
488	"Intel 82801AA AC97 Audio",
489	0,
490	0,
491	{ .init_pci = ac97_init }
492	},
493	#endif
494
495	#ifdef CONFIG_ES1370
496	{
497	"es1370",
498	"ENSONIQ AudioPCI ES1370",
499	0,
500	0,
501	{ .init_pci = es1370_init }
502	},
503	#endif
504
d61a4ce8 GH	505	#ifdef CONFIG_HDA
	506	{
	507	"hda",
	508	"Intel HD Audio",
	509	0,
	510	0,
	511	{ .init_pci = intel_hda_and_codec_init }
	512	},
	513	#endif
	514
ad96090a BS	515	#endif /* HAS_AUDIO_CHOICE */
	516
	517	{ NULL, NULL, 0, 0, { NULL } }
	518	};
	519
	520	void select_soundhw(const char *optarg)
	521	{
	522	struct soundhw *c;
	523
	524	if (*optarg == '?') {
	525	show_valid_cards:
	526
	527	printf("Valid sound card names (comma separated):\n");
	528	for (c = soundhw; c->name; ++c) {
	529	printf ("%-11s %s\n", c->name, c->descr);
	530	}
	531	printf("\n-soundhw all will enable all of the above\n");
	532	exit(*optarg != '?');
	533	}
	534	else {
	535	size_t l;
	536	const char *p;
	537	char *e;
	538	int bad_card = 0;
	539
	540	if (!strcmp(optarg, "all")) {
	541	for (c = soundhw; c->name; ++c) {
	542	c->enabled = 1;
	543	}
	544	return;
	545	}
	546
	547	p = optarg;
	548	while (*p) {
	549	e = strchr(p, ',');
	550	l = !e ? strlen(p) : (size_t) (e - p);
	551
	552	for (c = soundhw; c->name; ++c) {
	553	if (!strncmp(c->name, p, l) && !c->name[l]) {
	554	c->enabled = 1;
	555	break;
	556	}
	557	}
	558
	559	if (!c->name) {
	560	if (l > 80) {
	561	fprintf(stderr,
	562	"Unknown sound card name (too big to show)\n");
	563	}
	564	else {
	565	fprintf(stderr, "Unknown sound card name `%.*s'\n",
	566	(int) l, p);
	567	}
	568	bad_card = 1;
	569	}
	570	p += l + (e != NULL);
	571	}
	572
	573	if (bad_card) {
	574	goto show_valid_cards;
	575	}
	576	}
	577	}
	578	#else
579	void select_soundhw(const char *optarg)
580	{
581	}
582	#endif
583
584	int qemu_uuid_parse(const char str, uint8_t uuid)
585	{
586	int ret;
587
588	if (strlen(str) != 36) {
589	return -1;
590	}
591
592	ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3],
593	&uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9],
594	&uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14],
595	&uuid[15]);
596
597	if (ret != 16) {
598	return -1;
599	}
600	#ifdef TARGET_I386
601	smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid);
602	#endif
603	return 0;
604	}
605
606	void do_acpitable_option(const char *optarg)
607	{
608	#ifdef TARGET_I386
609	if (acpi_table_add(optarg) < 0) {
610	fprintf(stderr, "Wrong acpi table provided\n");
611	exit(1);
612	}
613	#endif
614	}
615
616	void do_smbios_option(const char *optarg)
617	{
618	#ifdef TARGET_I386
619	if (smbios_entry_add(optarg) < 0) {
620	fprintf(stderr, "Wrong smbios provided\n");
621	exit(1);
622	}
623	#endif
624	}
625
626	void cpudef_init(void)
627	{
628	#if defined(cpudef_setup)
629	cpudef_setup(); /* parse cpu definitions in target config file */
630	#endif
631	}
632
633	int audio_available(void)
634	{
635	#ifdef HAS_AUDIO
636	return 1;
637	#else
638	return 0;
639	#endif
640	}
641
642	int kvm_available(void)
643	{
644	#ifdef CONFIG_KVM
645	return 1;
646	#else
647	return 0;
648	#endif
649	}
650
651	int xen_available(void)
652	{
653	#ifdef CONFIG_XEN
654	return 1;
655	#else
656	return 0;
657	#endif
658	}