[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>
#include <stdlib.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"
#include "exec-memory.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_LM32)
#define QEMU_ARCH QEMU_ARCH_LM32
#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
#elif defined(TARGET_XTENSA)
#define QEMU_ARCH QEMU_ARCH_XTENSA
#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

#ifdef __ALTIVEC__
#include <altivec.h>
#define VECTYPE        vector unsigned char
#define SPLAT(p)       vec_splat(vec_ld(0, p), 0)
#define ALL_EQ(v1, v2) vec_all_eq(v1, v2)
#elif defined __SSE2__
#include <emmintrin.h>
#define VECTYPE        __m128i
#define SPLAT(p)       _mm_set1_epi8(*(p))
#define ALL_EQ(v1, v2) (_mm_movemask_epi8(_mm_cmpeq_epi8(v1, v2)) == 0xFFFF)
#else
#define VECTYPE        unsigned long
#define SPLAT(p)       (*(p) * (~0UL / 255))
#define ALL_EQ(v1, v2) ((v1) == (v2))
#endif

static int is_dup_page(uint8_t *page)
{
    VECTYPE *p = (VECTYPE *)page;
    VECTYPE val = SPLAT(page);
    int i;

    for (i = 0; i < TARGET_PAGE_SIZE / sizeof(VECTYPE); i++) {
        if (!ALL_EQ(val, p[i])) {
            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;
    int bytes_sent = 0;
    MemoryRegion *mr;

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

    do {
        mr = block->mr;
        if (memory_region_get_dirty(mr, offset, DIRTY_MEMORY_MIGRATION)) {
            uint8_t *p;
            int cont = (block == last_block) ? RAM_SAVE_FLAG_CONTINUE : 0;

            memory_region_reset_dirty(mr, offset, TARGET_PAGE_SIZE,
                                      DIRTY_MEMORY_MIGRATION);

            p = memory_region_get_ram_ptr(mr) + offset;

            if (is_dup_page(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);
        }
    } while (block != 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 = 0; addr < block->length; addr += TARGET_PAGE_SIZE) {
            if (memory_region_get_dirty(block->mr, addr,
                                        DIRTY_MEMORY_MIGRATION)) {
                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;
}

static int block_compar(const void *a, const void *b)
{
    RAMBlock * const *ablock = a;
    RAMBlock * const *bblock = b;

    return strcmp((*ablock)->idstr, (*bblock)->idstr);
}

static void sort_ram_list(void)
{
    RAMBlock *block, *nblock, **blocks;
    int n;
    n = 0;
    QLIST_FOREACH(block, &ram_list.blocks, next) {
        ++n;
    }
    blocks = g_malloc(n * sizeof *blocks);
    n = 0;
    QLIST_FOREACH_SAFE(block, &ram_list.blocks, next, nblock) {
        blocks[n++] = block;
        QLIST_REMOVE(block, next);
    }
    qsort(blocks, n, sizeof *blocks, block_compar);
    while (--n >= 0) {
        QLIST_INSERT_HEAD(&ram_list.blocks, blocks[n], next);
    }
    g_free(blocks);
}

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;
    int ret;

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

    memory_global_sync_dirty_bitmap(get_system_memory());

    if (stage == 1) {
        RAMBlock *block;
        bytes_transferred = 0;
        last_block = NULL;
        last_offset = 0;
        sort_ram_list();

        /* Make sure all dirty bits are set */
        QLIST_FOREACH(block, &ram_list.blocks, next) {
            for (addr = 0; addr < block->length; addr += TARGET_PAGE_SIZE) {
                if (!memory_region_get_dirty(block->mr, addr,
                                             DIRTY_MEMORY_MIGRATION)) {
                    memory_region_set_dirty(block->mr, addr, TARGET_PAGE_SIZE);
                }
            }
        }

        memory_global_dirty_log_start();

        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 ((ret = qemu_file_rate_limit(f)) == 0) {
        int bytes_sent;

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

    if (ret < 0) {
        return ret;
    }

    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;
        }
        memory_global_dirty_log_stop();
    }

    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 memory_region_get_ram_ptr(block->mr) + 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 memory_region_get_ram_ptr(block->mr) + 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;
    int error;

    if (version_id < 4 || 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 == 4) {
                /* 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;

            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;

            host = host_from_stream_offset(f, addr, flags);

            qemu_get_buffer(f, host, TARGET_PAGE_SIZE);
        }
        error = qemu_file_get_error(f);
        if (error) {
            return error;
        }
    } while (!(flags & RAM_SAVE_FLAG_EOS));

    return 0;
}

#ifdef HAS_AUDIO
struct soundhw {
    const char *name;
    const char *descr;
    int enabled;
    int isa;
    union {
        int (*init_isa) (ISABus *bus);
        int (*init_pci) (PCIBus *bus);
    } init;
};

static 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;
        }
    }
}

void audio_init(ISABus *isa_bus, PCIBus *pci_bus)
{
    struct soundhw *c;

    for (c = soundhw; c->name; ++c) {
        if (c->enabled) {
            if (c->isa) {
                if (isa_bus) {
                    c->init.init_isa(isa_bus);
                }
            } else {
                if (pci_bus) {
                    c->init.init_pci(pci_bus);
                }
            }
        }
    }
}
#else
void select_soundhw(const char *optarg)
{
}
void audio_init(ISABus *isa_bus, PCIBus *pci_bus)
{
}
#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 tcg_available(void)
{
    return 1;
}

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>
b2e0a138	26	#include <stdlib.h>
ad96090a	27	#ifndef _WIN32
1c47cb16	28	#include <sys/types.h>
ad96090a BS	29	#include <sys/mman.h>
	30	#endif
	31	#include "config.h"
	32	#include "monitor.h"
	33	#include "sysemu.h"
	34	#include "arch_init.h"
	35	#include "audio/audio.h"
	36	#include "hw/pc.h"
	37	#include "hw/pci.h"
	38	#include "hw/audiodev.h"
	39	#include "kvm.h"
	40	#include "migration.h"
	41	#include "net.h"
	42	#include "gdbstub.h"
	43	#include "hw/smbios.h"
86e775c6	44	#include "exec-memory.h"
ad96090a BS	45
	46	#ifdef TARGET_SPARC
	47	int graphic_width = 1024;
	48	int graphic_height = 768;
	49	int graphic_depth = 8;
	50	#else
	51	int graphic_width = 800;
	52	int graphic_height = 600;
	53	int graphic_depth = 15;
	54	#endif
	55
	56	const char arch_config_name[] = CONFIG_QEMU_CONFDIR "/target-" TARGET_ARCH ".conf";
	57
	58	#if defined(TARGET_ALPHA)
	59	#define QEMU_ARCH QEMU_ARCH_ALPHA
	60	#elif defined(TARGET_ARM)
	61	#define QEMU_ARCH QEMU_ARCH_ARM
	62	#elif defined(TARGET_CRIS)
	63	#define QEMU_ARCH QEMU_ARCH_CRIS
	64	#elif defined(TARGET_I386)
	65	#define QEMU_ARCH QEMU_ARCH_I386
	66	#elif defined(TARGET_M68K)
	67	#define QEMU_ARCH QEMU_ARCH_M68K
81ea0e13 MW	68	#elif defined(TARGET_LM32)
81ea0e13 MW	69	#define QEMU_ARCH QEMU_ARCH_LM32
ad96090a BS	70	#elif defined(TARGET_MICROBLAZE)
	71	#define QEMU_ARCH QEMU_ARCH_MICROBLAZE
	72	#elif defined(TARGET_MIPS)
	73	#define QEMU_ARCH QEMU_ARCH_MIPS
	74	#elif defined(TARGET_PPC)
	75	#define QEMU_ARCH QEMU_ARCH_PPC
	76	#elif defined(TARGET_S390X)
	77	#define QEMU_ARCH QEMU_ARCH_S390X
	78	#elif defined(TARGET_SH4)
	79	#define QEMU_ARCH QEMU_ARCH_SH4
	80	#elif defined(TARGET_SPARC)
	81	#define QEMU_ARCH QEMU_ARCH_SPARC
2328826b MF	82	#elif defined(TARGET_XTENSA)
2328826b MF	83	#define QEMU_ARCH QEMU_ARCH_XTENSA
ad96090a BS	84	#endif
	85
	86	const uint32_t arch_type = QEMU_ARCH;
	87
	88	/***********************************************************/
	89	/* ram save/restore */
	90
d20878d2 YT	91	#define RAM_SAVE_FLAG_FULL 0x01 /* Obsolete, not used anymore */
	92	#define RAM_SAVE_FLAG_COMPRESS 0x02
	93	#define RAM_SAVE_FLAG_MEM_SIZE 0x04
	94	#define RAM_SAVE_FLAG_PAGE 0x08
	95	#define RAM_SAVE_FLAG_EOS 0x10
	96	#define RAM_SAVE_FLAG_CONTINUE 0x20
ad96090a	97
86003615 PB	98	#ifdef __ALTIVEC__
	99	#include <altivec.h>
	100	#define VECTYPE vector unsigned char
	101	#define SPLAT(p) vec_splat(vec_ld(0, p), 0)
	102	#define ALL_EQ(v1, v2) vec_all_eq(v1, v2)
	103	#elif defined __SSE2__
	104	#include <emmintrin.h>
	105	#define VECTYPE __m128i
	106	#define SPLAT(p) _mm_set1_epi8(*(p))
	107	#define ALL_EQ(v1, v2) (_mm_movemask_epi8(_mm_cmpeq_epi8(v1, v2)) == 0xFFFF)
	108	#else
	109	#define VECTYPE unsigned long
	110	#define SPLAT(p) ((p) (~0UL / 255))
	111	#define ALL_EQ(v1, v2) ((v1) == (v2))
	112	#endif
	113
	114	static int is_dup_page(uint8_t *page)
ad96090a	115	{
86003615 PB	116	VECTYPE p = (VECTYPE )page;
86003615 PB	117	VECTYPE val = SPLAT(page);
ad96090a BS	118	int i;
ad96090a BS	119
86003615 PB	120	for (i = 0; i < TARGET_PAGE_SIZE / sizeof(VECTYPE); i++) {
86003615 PB	121	if (!ALL_EQ(val, p[i])) {
ad96090a BS	122	return 0;
	123	}
	124	}
	125
	126	return 1;
	127	}
	128
760e77ea AW	129	static RAMBlock *last_block;
	130	static ram_addr_t last_offset;
	131
ad96090a BS	132	static int ram_save_block(QEMUFile *f)
ad96090a BS	133	{
e44359c3 AW	134	RAMBlock *block = last_block;
e44359c3 AW	135	ram_addr_t offset = last_offset;
3fc250b4	136	int bytes_sent = 0;
71c510e2	137	MemoryRegion *mr;
ad96090a	138
e44359c3 AW	139	if (!block)
	140	block = QLIST_FIRST(&ram_list.blocks);
	141
e44359c3	142	do {
71c510e2 AK	143	mr = block->mr;
71c510e2 AK	144	if (memory_region_get_dirty(mr, offset, DIRTY_MEMORY_MIGRATION)) {
ad96090a	145	uint8_t *p;
a55bbe31	146	int cont = (block == last_block) ? RAM_SAVE_FLAG_CONTINUE : 0;
ad96090a	147
71c510e2 AK	148	memory_region_reset_dirty(mr, offset, TARGET_PAGE_SIZE,
71c510e2 AK	149	DIRTY_MEMORY_MIGRATION);
ad96090a	150
71c510e2	151	p = memory_region_get_ram_ptr(mr) + offset;
ad96090a	152
86003615	153	if (is_dup_page(p)) {
a55bbe31 AW	154	qemu_put_be64(f, offset \| cont \| RAM_SAVE_FLAG_COMPRESS);
	155	if (!cont) {
	156	qemu_put_byte(f, strlen(block->idstr));
	157	qemu_put_buffer(f, (uint8_t *)block->idstr,
	158	strlen(block->idstr));
	159	}
ad96090a	160	qemu_put_byte(f, *p);
3fc250b4	161	bytes_sent = 1;
ad96090a	162	} else {
a55bbe31 AW	163	qemu_put_be64(f, offset \| cont \| RAM_SAVE_FLAG_PAGE);
	164	if (!cont) {
	165	qemu_put_byte(f, strlen(block->idstr));
	166	qemu_put_buffer(f, (uint8_t *)block->idstr,
	167	strlen(block->idstr));
	168	}
ad96090a	169	qemu_put_buffer(f, p, TARGET_PAGE_SIZE);
3fc250b4	170	bytes_sent = TARGET_PAGE_SIZE;
ad96090a BS	171	}
ad96090a BS	172
ad96090a BS	173	break;
ad96090a BS	174	}
e44359c3 AW	175
	176	offset += TARGET_PAGE_SIZE;
	177	if (offset >= block->length) {
	178	offset = 0;
	179	block = QLIST_NEXT(block, next);
	180	if (!block)
	181	block = QLIST_FIRST(&ram_list.blocks);
	182	}
71c510e2	183	} while (block != last_block \|\| offset != last_offset);
e44359c3 AW	184
	185	last_block = block;
	186	last_offset = offset;
ad96090a	187
3fc250b4	188	return bytes_sent;
ad96090a BS	189	}
	190
	191	static uint64_t bytes_transferred;
	192
	193	static ram_addr_t ram_save_remaining(void)
	194	{
e44359c3	195	RAMBlock *block;
ad96090a BS	196	ram_addr_t count = 0;
ad96090a BS	197
e44359c3 AW	198	QLIST_FOREACH(block, &ram_list.blocks, next) {
e44359c3 AW	199	ram_addr_t addr;
71c510e2 AK	200	for (addr = 0; addr < block->length; addr += TARGET_PAGE_SIZE) {
	201	if (memory_region_get_dirty(block->mr, addr,
	202	DIRTY_MEMORY_MIGRATION)) {
e44359c3 AW	203	count++;
e44359c3 AW	204	}
ad96090a BS	205	}
	206	}
	207
	208	return count;
	209	}
	210
	211	uint64_t ram_bytes_remaining(void)
	212	{
	213	return ram_save_remaining() * TARGET_PAGE_SIZE;
	214	}
	215
	216	uint64_t ram_bytes_transferred(void)
	217	{
	218	return bytes_transferred;
	219	}
	220
	221	uint64_t ram_bytes_total(void)
	222	{
d17b5288 AW	223	RAMBlock *block;
	224	uint64_t total = 0;
	225
	226	QLIST_FOREACH(block, &ram_list.blocks, next)
	227	total += block->length;
	228
	229	return total;
ad96090a BS	230	}
ad96090a BS	231
b2e0a138 MT	232	static int block_compar(const void a, const void b)
	233	{
	234	RAMBlock * const *ablock = a;
	235	RAMBlock * const *bblock = b;
8fec98b4 AK	236
8fec98b4 AK	237	return strcmp((ablock)->idstr, (bblock)->idstr);
b2e0a138 MT	238	}
	239
	240	static void sort_ram_list(void)
	241	{
	242	RAMBlock block, nblock, **blocks;
	243	int n;
	244	n = 0;
	245	QLIST_FOREACH(block, &ram_list.blocks, next) {
	246	++n;
	247	}
7267c094	248	blocks = g_malloc(n * sizeof *blocks);
b2e0a138 MT	249	n = 0;
	250	QLIST_FOREACH_SAFE(block, &ram_list.blocks, next, nblock) {
	251	blocks[n++] = block;
	252	QLIST_REMOVE(block, next);
	253	}
	254	qsort(blocks, n, sizeof *blocks, block_compar);
	255	while (--n >= 0) {
	256	QLIST_INSERT_HEAD(&ram_list.blocks, blocks[n], next);
	257	}
7267c094	258	g_free(blocks);
b2e0a138 MT	259	}
b2e0a138 MT	260
ad96090a BS	261	int ram_save_live(Monitor mon, QEMUFile f, int stage, void *opaque)
	262	{
	263	ram_addr_t addr;
	264	uint64_t bytes_transferred_last;
	265	double bwidth = 0;
	266	uint64_t expected_time = 0;
2975725f	267	int ret;
ad96090a BS	268
ad96090a BS	269	if (stage < 0) {
8f77558f	270	memory_global_dirty_log_stop();
ad96090a BS	271	return 0;
	272	}
	273
86e775c6	274	memory_global_sync_dirty_bitmap(get_system_memory());
ad96090a BS	275
ad96090a BS	276	if (stage == 1) {
97ab12d4	277	RAMBlock *block;
ad96090a	278	bytes_transferred = 0;
760e77ea AW	279	last_block = NULL;
760e77ea AW	280	last_offset = 0;
b2e0a138	281	sort_ram_list();
ad96090a BS	282
ad96090a BS	283	/* Make sure all dirty bits are set */
e44359c3	284	QLIST_FOREACH(block, &ram_list.blocks, next) {
71c510e2 AK	285	for (addr = 0; addr < block->length; addr += TARGET_PAGE_SIZE) {
	286	if (!memory_region_get_dirty(block->mr, addr,
	287	DIRTY_MEMORY_MIGRATION)) {
fd4aa979	288	memory_region_set_dirty(block->mr, addr, TARGET_PAGE_SIZE);
e44359c3	289	}
ad96090a BS	290	}
	291	}
	292
8f77558f	293	memory_global_dirty_log_start();
ad96090a	294
e44359c3	295	qemu_put_be64(f, ram_bytes_total() \| RAM_SAVE_FLAG_MEM_SIZE);
97ab12d4 AW	296
	297	QLIST_FOREACH(block, &ram_list.blocks, next) {
	298	qemu_put_byte(f, strlen(block->idstr));
	299	qemu_put_buffer(f, (uint8_t *)block->idstr, strlen(block->idstr));
	300	qemu_put_be64(f, block->length);
	301	}
ad96090a BS	302	}
	303
	304	bytes_transferred_last = bytes_transferred;
	305	bwidth = qemu_get_clock_ns(rt_clock);
	306
2975725f	307	while ((ret = qemu_file_rate_limit(f)) == 0) {
3fc250b4	308	int bytes_sent;
ad96090a	309
3fc250b4 PR	310	bytes_sent = ram_save_block(f);
	311	bytes_transferred += bytes_sent;
	312	if (bytes_sent == 0) { /* no more blocks */
ad96090a BS	313	break;
	314	}
	315	}
	316
2975725f JQ	317	if (ret < 0) {
	318	return ret;
	319	}
	320
ad96090a BS	321	bwidth = qemu_get_clock_ns(rt_clock) - bwidth;
	322	bwidth = (bytes_transferred - bytes_transferred_last) / bwidth;
	323
	324	/* if we haven't transferred anything this round, force expected_time to a
	325	* a very high value, but without crashing */
	326	if (bwidth == 0) {
	327	bwidth = 0.000001;
	328	}
	329
	330	/* try transferring iterative blocks of memory */
	331	if (stage == 3) {
3fc250b4 PR	332	int bytes_sent;
3fc250b4 PR	333
ad96090a	334	/* flush all remaining blocks regardless of rate limiting */
3fc250b4 PR	335	while ((bytes_sent = ram_save_block(f)) != 0) {
3fc250b4 PR	336	bytes_transferred += bytes_sent;
ad96090a	337	}
8f77558f	338	memory_global_dirty_log_stop();
ad96090a BS	339	}
	340
	341	qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
	342
	343	expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;
	344
	345	return (stage == 2) && (expected_time <= migrate_max_downtime());
	346	}
	347
a55bbe31 AW	348	static inline void host_from_stream_offset(QEMUFile f,
	349	ram_addr_t offset,
	350	int flags)
	351	{
	352	static RAMBlock *block = NULL;
	353	char id[256];
	354	uint8_t len;
	355
	356	if (flags & RAM_SAVE_FLAG_CONTINUE) {
	357	if (!block) {
	358	fprintf(stderr, "Ack, bad migration stream!\n");
	359	return NULL;
	360	}
	361
dc94a7ed	362	return memory_region_get_ram_ptr(block->mr) + offset;
a55bbe31 AW	363	}
	364
	365	len = qemu_get_byte(f);
	366	qemu_get_buffer(f, (uint8_t *)id, len);
	367	id[len] = 0;
	368
	369	QLIST_FOREACH(block, &ram_list.blocks, next) {
	370	if (!strncmp(id, block->idstr, sizeof(id)))
dc94a7ed	371	return memory_region_get_ram_ptr(block->mr) + offset;
a55bbe31 AW	372	}
	373
	374	fprintf(stderr, "Can't find block %s!\n", id);
	375	return NULL;
	376	}
	377
ad96090a BS	378	int ram_load(QEMUFile f, void opaque, int version_id)
	379	{
	380	ram_addr_t addr;
	381	int flags;
42802d47	382	int error;
ad96090a	383
f09f2189	384	if (version_id < 4 \|\| version_id > 4) {
ad96090a BS	385	return -EINVAL;
	386	}
	387
	388	do {
	389	addr = qemu_get_be64(f);
	390
	391	flags = addr & ~TARGET_PAGE_MASK;
	392	addr &= TARGET_PAGE_MASK;
	393
	394	if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
f09f2189	395	if (version_id == 4) {
97ab12d4 AW	396	/* Synchronize RAM block list */
	397	char id[256];
	398	ram_addr_t length;
	399	ram_addr_t total_ram_bytes = addr;
	400
	401	while (total_ram_bytes) {
	402	RAMBlock *block;
	403	uint8_t len;
	404
	405	len = qemu_get_byte(f);
	406	qemu_get_buffer(f, (uint8_t *)id, len);
	407	id[len] = 0;
	408	length = qemu_get_be64(f);
	409
	410	QLIST_FOREACH(block, &ram_list.blocks, next) {
	411	if (!strncmp(id, block->idstr, sizeof(id))) {
	412	if (block->length != length)
	413	return -EINVAL;
	414	break;
	415	}
	416	}
	417
	418	if (!block) {
fb787f81 AW	419	fprintf(stderr, "Unknown ramblock \"%s\", cannot "
	420	"accept migration\n", id);
	421	return -EINVAL;
97ab12d4 AW	422	}
	423
	424	total_ram_bytes -= length;
	425	}
ad96090a BS	426	}
	427	}
	428
	429	if (flags & RAM_SAVE_FLAG_COMPRESS) {
97ab12d4 AW	430	void *host;
	431	uint8_t ch;
	432
f09f2189	433	host = host_from_stream_offset(f, addr, flags);
492fb99c MT	434	if (!host) {
	435	return -EINVAL;
	436	}
97ab12d4	437
97ab12d4 AW	438	ch = qemu_get_byte(f);
97ab12d4 AW	439	memset(host, ch, TARGET_PAGE_SIZE);
ad96090a BS	440	#ifndef _WIN32
	441	if (ch == 0 &&
	442	(!kvm_enabled() \|\| kvm_has_sync_mmu())) {
e78815a5	443	qemu_madvise(host, TARGET_PAGE_SIZE, QEMU_MADV_DONTNEED);
ad96090a BS	444	}
	445	#endif
	446	} else if (flags & RAM_SAVE_FLAG_PAGE) {
97ab12d4 AW	447	void *host;
97ab12d4 AW	448
f09f2189	449	host = host_from_stream_offset(f, addr, flags);
97ab12d4	450
97ab12d4	451	qemu_get_buffer(f, host, TARGET_PAGE_SIZE);
ad96090a	452	}
42802d47 JQ	453	error = qemu_file_get_error(f);
	454	if (error) {
	455	return error;
ad96090a BS	456	}
	457	} while (!(flags & RAM_SAVE_FLAG_EOS));
	458
	459	return 0;
	460	}
	461
ad96090a	462	#ifdef HAS_AUDIO
0dfa5ef9 IY	463	struct soundhw {
	464	const char *name;
	465	const char *descr;
	466	int enabled;
	467	int isa;
	468	union {
4a0f031d	469	int (init_isa) (ISABus bus);
0dfa5ef9 IY	470	int (init_pci) (PCIBus bus);
	471	} init;
	472	};
	473
	474	static struct soundhw soundhw[] = {
ad96090a BS	475	#ifdef HAS_AUDIO_CHOICE
	476	#if defined(TARGET_I386) \|\| defined(TARGET_MIPS)
	477	{
	478	"pcspk",
	479	"PC speaker",
	480	0,
	481	1,
	482	{ .init_isa = pcspk_audio_init }
	483	},
	484	#endif
	485
	486	#ifdef CONFIG_SB16
	487	{
	488	"sb16",
	489	"Creative Sound Blaster 16",
	490	0,
	491	1,
	492	{ .init_isa = SB16_init }
	493	},
	494	#endif
	495
	496	#ifdef CONFIG_CS4231A
	497	{
	498	"cs4231a",
	499	"CS4231A",
	500	0,
	501	1,
	502	{ .init_isa = cs4231a_init }
	503	},
	504	#endif
	505
	506	#ifdef CONFIG_ADLIB
	507	{
	508	"adlib",
	509	#ifdef HAS_YMF262
	510	"Yamaha YMF262 (OPL3)",
	511	#else
	512	"Yamaha YM3812 (OPL2)",
	513	#endif
	514	0,
	515	1,
	516	{ .init_isa = Adlib_init }
	517	},
	518	#endif
	519
	520	#ifdef CONFIG_GUS
	521	{
	522	"gus",
	523	"Gravis Ultrasound GF1",
	524	0,
	525	1,
	526	{ .init_isa = GUS_init }
	527	},
	528	#endif
	529
	530	#ifdef CONFIG_AC97
	531	{
	532	"ac97",
	533	"Intel 82801AA AC97 Audio",
	534	0,
	535	0,
	536	{ .init_pci = ac97_init }
	537	},
	538	#endif
539
540	#ifdef CONFIG_ES1370
541	{
542	"es1370",
543	"ENSONIQ AudioPCI ES1370",
544	0,
545	0,
546	{ .init_pci = es1370_init }
547	},
548	#endif
549
d61a4ce8 GH	550	#ifdef CONFIG_HDA
	551	{
	552	"hda",
	553	"Intel HD Audio",
	554	0,
	555	0,
	556	{ .init_pci = intel_hda_and_codec_init }
	557	},
	558	#endif
	559
ad96090a BS	560	#endif /* HAS_AUDIO_CHOICE */
	561
	562	{ NULL, NULL, 0, 0, { NULL } }
	563	};
	564
	565	void select_soundhw(const char *optarg)
	566	{
	567	struct soundhw *c;
	568
	569	if (*optarg == '?') {
	570	show_valid_cards:
	571
	572	printf("Valid sound card names (comma separated):\n");
	573	for (c = soundhw; c->name; ++c) {
	574	printf ("%-11s %s\n", c->name, c->descr);
	575	}
	576	printf("\n-soundhw all will enable all of the above\n");
	577	exit(*optarg != '?');
	578	}
	579	else {
	580	size_t l;
	581	const char *p;
	582	char *e;
	583	int bad_card = 0;
	584
	585	if (!strcmp(optarg, "all")) {
	586	for (c = soundhw; c->name; ++c) {
	587	c->enabled = 1;
	588	}
	589	return;
	590	}
	591
	592	p = optarg;
	593	while (*p) {
	594	e = strchr(p, ',');
	595	l = !e ? strlen(p) : (size_t) (e - p);
	596
	597	for (c = soundhw; c->name; ++c) {
	598	if (!strncmp(c->name, p, l) && !c->name[l]) {
	599	c->enabled = 1;
	600	break;
	601	}
	602	}
	603
	604	if (!c->name) {
	605	if (l > 80) {
	606	fprintf(stderr,
	607	"Unknown sound card name (too big to show)\n");
	608	}
	609	else {
	610	fprintf(stderr, "Unknown sound card name `%.*s'\n",
	611	(int) l, p);
	612	}
	613	bad_card = 1;
	614	}
	615	p += l + (e != NULL);
	616	}
	617
	618	if (bad_card) {
	619	goto show_valid_cards;
	620	}
	621	}
	622	}
0dfa5ef9	623
4a0f031d	624	void audio_init(ISABus isa_bus, PCIBus pci_bus)
0dfa5ef9 IY	625	{
	626	struct soundhw *c;
	627
	628	for (c = soundhw; c->name; ++c) {
	629	if (c->enabled) {
	630	if (c->isa) {
4a0f031d HP	631	if (isa_bus) {
4a0f031d HP	632	c->init.init_isa(isa_bus);
0dfa5ef9 IY	633	}
	634	} else {
	635	if (pci_bus) {
	636	c->init.init_pci(pci_bus);
	637	}
	638	}
	639	}
	640	}
	641	}
ad96090a BS	642	#else
	643	void select_soundhw(const char *optarg)
	644	{
	645	}
4a0f031d	646	void audio_init(ISABus isa_bus, PCIBus pci_bus)
0dfa5ef9 IY	647	{
0dfa5ef9 IY	648	}
ad96090a BS	649	#endif
	650
	651	int qemu_uuid_parse(const char str, uint8_t uuid)
	652	{
	653	int ret;
	654
	655	if (strlen(str) != 36) {
	656	return -1;
	657	}
	658
	659	ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3],
	660	&uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9],
	661	&uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14],
	662	&uuid[15]);
	663
	664	if (ret != 16) {
	665	return -1;
	666	}
	667	#ifdef TARGET_I386
	668	smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid);
	669	#endif
	670	return 0;
	671	}
	672
	673	void do_acpitable_option(const char *optarg)
	674	{
	675	#ifdef TARGET_I386
	676	if (acpi_table_add(optarg) < 0) {
	677	fprintf(stderr, "Wrong acpi table provided\n");
	678	exit(1);
	679	}
	680	#endif
	681	}
	682
	683	void do_smbios_option(const char *optarg)
	684	{
	685	#ifdef TARGET_I386
	686	if (smbios_entry_add(optarg) < 0) {
	687	fprintf(stderr, "Wrong smbios provided\n");
	688	exit(1);
	689	}
	690	#endif
	691	}
	692
	693	void cpudef_init(void)
	694	{
	695	#if defined(cpudef_setup)
	696	cpudef_setup(); /* parse cpu definitions in target config file */
	697	#endif
	698	}
	699
	700	int audio_available(void)
	701	{
	702	#ifdef HAS_AUDIO
	703	return 1;
	704	#else
	705	return 0;
	706	#endif
	707	}
	708
303d4e86 AP	709	int tcg_available(void)
	710	{
	711	return 1;
	712	}
	713
ad96090a BS	714	int kvm_available(void)
	715	{
	716	#ifdef CONFIG_KVM
	717	return 1;
	718	#else
	719	return 0;
	720	#endif
	721	}
	722
	723	int xen_available(void)
	724	{
	725	#ifdef CONFIG_XEN
	726	return 1;
	727	#else
	728	return 0;
	729	#endif
	730	}