[mirror_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"
#include "hw/pcspk.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


#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 struct defconfig_file {
    const char *filename;
} default_config_files[] = {
    { CONFIG_QEMU_CONFDIR "/qemu.conf" },
    { CONFIG_QEMU_CONFDIR "/target-" TARGET_ARCH ".conf" },
    { NULL }, /* end of list */
};


int qemu_read_default_config_files(void)
{
    int ret;
    struct defconfig_file *f;

    for (f = default_config_files; f->filename; f++) {
        ret = qemu_read_config_file(f->filename);
        if (ret < 0 && ret != -ENOENT) {
            return ret;
        }
    }
    
    return 0;
}

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, TARGET_PAGE_SIZE,
                                    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, TARGET_PAGE_SIZE,
                                        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(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, TARGET_PAGE_SIZE,
                                             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
#ifdef CONFIG_PCSPK
    {
        "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"
302fe51b	45	#include "hw/pcspk.h"
ad96090a BS	46
	47	#ifdef TARGET_SPARC
	48	int graphic_width = 1024;
	49	int graphic_height = 768;
	50	int graphic_depth = 8;
	51	#else
	52	int graphic_width = 800;
	53	int graphic_height = 600;
	54	int graphic_depth = 15;
	55	#endif
	56
ad96090a BS	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
b5a8fe5e	114
756557de EH	115	static struct defconfig_file {
	116	const char *filename;
	117	} default_config_files[] = {
	118	{ CONFIG_QEMU_CONFDIR "/qemu.conf" },
	119	{ CONFIG_QEMU_CONFDIR "/target-" TARGET_ARCH ".conf" },
	120	{ NULL }, /* end of list */
	121	};
	122
	123
b5a8fe5e EH	124	int qemu_read_default_config_files(void)
	125	{
	126	int ret;
756557de	127	struct defconfig_file *f;
b5a8fe5e	128
756557de EH	129	for (f = default_config_files; f->filename; f++) {
	130	ret = qemu_read_config_file(f->filename);
	131	if (ret < 0 && ret != -ENOENT) {
	132	return ret;
	133	}
b5a8fe5e	134	}
756557de	135
b5a8fe5e EH	136	return 0;
	137	}
	138
86003615	139	static int is_dup_page(uint8_t *page)
ad96090a	140	{
86003615 PB	141	VECTYPE p = (VECTYPE )page;
86003615 PB	142	VECTYPE val = SPLAT(page);
ad96090a BS	143	int i;
ad96090a BS	144
86003615 PB	145	for (i = 0; i < TARGET_PAGE_SIZE / sizeof(VECTYPE); i++) {
86003615 PB	146	if (!ALL_EQ(val, p[i])) {
ad96090a BS	147	return 0;
	148	}
	149	}
	150
	151	return 1;
	152	}
	153
760e77ea AW	154	static RAMBlock *last_block;
	155	static ram_addr_t last_offset;
	156
ad96090a BS	157	static int ram_save_block(QEMUFile *f)
ad96090a BS	158	{
e44359c3 AW	159	RAMBlock *block = last_block;
e44359c3 AW	160	ram_addr_t offset = last_offset;
3fc250b4	161	int bytes_sent = 0;
71c510e2	162	MemoryRegion *mr;
ad96090a	163
e44359c3 AW	164	if (!block)
	165	block = QLIST_FIRST(&ram_list.blocks);
	166
e44359c3	167	do {
71c510e2	168	mr = block->mr;
cd7a45c9 BS	169	if (memory_region_get_dirty(mr, offset, TARGET_PAGE_SIZE,
cd7a45c9 BS	170	DIRTY_MEMORY_MIGRATION)) {
ad96090a	171	uint8_t *p;
a55bbe31	172	int cont = (block == last_block) ? RAM_SAVE_FLAG_CONTINUE : 0;
ad96090a	173
71c510e2 AK	174	memory_region_reset_dirty(mr, offset, TARGET_PAGE_SIZE,
71c510e2 AK	175	DIRTY_MEMORY_MIGRATION);
ad96090a	176
71c510e2	177	p = memory_region_get_ram_ptr(mr) + offset;
ad96090a	178
86003615	179	if (is_dup_page(p)) {
a55bbe31 AW	180	qemu_put_be64(f, offset \| cont \| RAM_SAVE_FLAG_COMPRESS);
	181	if (!cont) {
	182	qemu_put_byte(f, strlen(block->idstr));
	183	qemu_put_buffer(f, (uint8_t *)block->idstr,
	184	strlen(block->idstr));
	185	}
ad96090a	186	qemu_put_byte(f, *p);
3fc250b4	187	bytes_sent = 1;
ad96090a	188	} else {
a55bbe31 AW	189	qemu_put_be64(f, offset \| cont \| RAM_SAVE_FLAG_PAGE);
	190	if (!cont) {
	191	qemu_put_byte(f, strlen(block->idstr));
	192	qemu_put_buffer(f, (uint8_t *)block->idstr,
	193	strlen(block->idstr));
	194	}
ad96090a	195	qemu_put_buffer(f, p, TARGET_PAGE_SIZE);
3fc250b4	196	bytes_sent = TARGET_PAGE_SIZE;
ad96090a BS	197	}
ad96090a BS	198
ad96090a BS	199	break;
ad96090a BS	200	}
e44359c3 AW	201
	202	offset += TARGET_PAGE_SIZE;
	203	if (offset >= block->length) {
	204	offset = 0;
	205	block = QLIST_NEXT(block, next);
	206	if (!block)
	207	block = QLIST_FIRST(&ram_list.blocks);
	208	}
71c510e2	209	} while (block != last_block \|\| offset != last_offset);
e44359c3 AW	210
	211	last_block = block;
	212	last_offset = offset;
ad96090a	213
3fc250b4	214	return bytes_sent;
ad96090a BS	215	}
	216
	217	static uint64_t bytes_transferred;
	218
	219	static ram_addr_t ram_save_remaining(void)
	220	{
e44359c3	221	RAMBlock *block;
ad96090a BS	222	ram_addr_t count = 0;
ad96090a BS	223
e44359c3 AW	224	QLIST_FOREACH(block, &ram_list.blocks, next) {
e44359c3 AW	225	ram_addr_t addr;
71c510e2	226	for (addr = 0; addr < block->length; addr += TARGET_PAGE_SIZE) {
cd7a45c9	227	if (memory_region_get_dirty(block->mr, addr, TARGET_PAGE_SIZE,
71c510e2	228	DIRTY_MEMORY_MIGRATION)) {
e44359c3 AW	229	count++;
e44359c3 AW	230	}
ad96090a BS	231	}
	232	}
	233
	234	return count;
	235	}
	236
	237	uint64_t ram_bytes_remaining(void)
	238	{
	239	return ram_save_remaining() * TARGET_PAGE_SIZE;
	240	}
	241
	242	uint64_t ram_bytes_transferred(void)
	243	{
	244	return bytes_transferred;
	245	}
	246
	247	uint64_t ram_bytes_total(void)
	248	{
d17b5288 AW	249	RAMBlock *block;
	250	uint64_t total = 0;
	251
	252	QLIST_FOREACH(block, &ram_list.blocks, next)
	253	total += block->length;
	254
	255	return total;
ad96090a BS	256	}
ad96090a BS	257
b2e0a138 MT	258	static int block_compar(const void a, const void b)
	259	{
	260	RAMBlock * const *ablock = a;
	261	RAMBlock * const *bblock = b;
8fec98b4 AK	262
8fec98b4 AK	263	return strcmp((ablock)->idstr, (bblock)->idstr);
b2e0a138 MT	264	}
	265
	266	static void sort_ram_list(void)
	267	{
	268	RAMBlock block, nblock, **blocks;
	269	int n;
	270	n = 0;
	271	QLIST_FOREACH(block, &ram_list.blocks, next) {
	272	++n;
	273	}
7267c094	274	blocks = g_malloc(n * sizeof *blocks);
b2e0a138 MT	275	n = 0;
	276	QLIST_FOREACH_SAFE(block, &ram_list.blocks, next, nblock) {
	277	blocks[n++] = block;
	278	QLIST_REMOVE(block, next);
	279	}
	280	qsort(blocks, n, sizeof *blocks, block_compar);
	281	while (--n >= 0) {
	282	QLIST_INSERT_HEAD(&ram_list.blocks, blocks[n], next);
	283	}
7267c094	284	g_free(blocks);
b2e0a138 MT	285	}
b2e0a138 MT	286
539de124	287	int ram_save_live(QEMUFile f, int stage, void opaque)
ad96090a BS	288	{
	289	ram_addr_t addr;
	290	uint64_t bytes_transferred_last;
	291	double bwidth = 0;
	292	uint64_t expected_time = 0;
2975725f	293	int ret;
ad96090a BS	294
ad96090a BS	295	if (stage < 0) {
8f77558f	296	memory_global_dirty_log_stop();
ad96090a BS	297	return 0;
	298	}
	299
86e775c6	300	memory_global_sync_dirty_bitmap(get_system_memory());
ad96090a BS	301
ad96090a BS	302	if (stage == 1) {
97ab12d4	303	RAMBlock *block;
ad96090a	304	bytes_transferred = 0;
760e77ea AW	305	last_block = NULL;
760e77ea AW	306	last_offset = 0;
b2e0a138	307	sort_ram_list();
ad96090a BS	308
ad96090a BS	309	/* Make sure all dirty bits are set */
e44359c3	310	QLIST_FOREACH(block, &ram_list.blocks, next) {
71c510e2	311	for (addr = 0; addr < block->length; addr += TARGET_PAGE_SIZE) {
cd7a45c9	312	if (!memory_region_get_dirty(block->mr, addr, TARGET_PAGE_SIZE,
71c510e2	313	DIRTY_MEMORY_MIGRATION)) {
fd4aa979	314	memory_region_set_dirty(block->mr, addr, TARGET_PAGE_SIZE);
e44359c3	315	}
ad96090a BS	316	}
	317	}
	318
8f77558f	319	memory_global_dirty_log_start();
ad96090a	320
e44359c3	321	qemu_put_be64(f, ram_bytes_total() \| RAM_SAVE_FLAG_MEM_SIZE);
97ab12d4 AW	322
	323	QLIST_FOREACH(block, &ram_list.blocks, next) {
	324	qemu_put_byte(f, strlen(block->idstr));
	325	qemu_put_buffer(f, (uint8_t *)block->idstr, strlen(block->idstr));
	326	qemu_put_be64(f, block->length);
	327	}
ad96090a BS	328	}
	329
	330	bytes_transferred_last = bytes_transferred;
	331	bwidth = qemu_get_clock_ns(rt_clock);
	332
2975725f	333	while ((ret = qemu_file_rate_limit(f)) == 0) {
3fc250b4	334	int bytes_sent;
ad96090a	335
3fc250b4 PR	336	bytes_sent = ram_save_block(f);
	337	bytes_transferred += bytes_sent;
	338	if (bytes_sent == 0) { /* no more blocks */
ad96090a BS	339	break;
	340	}
	341	}
	342
2975725f JQ	343	if (ret < 0) {
	344	return ret;
	345	}
	346
ad96090a BS	347	bwidth = qemu_get_clock_ns(rt_clock) - bwidth;
	348	bwidth = (bytes_transferred - bytes_transferred_last) / bwidth;
	349
	350	/* if we haven't transferred anything this round, force expected_time to a
	351	* a very high value, but without crashing */
	352	if (bwidth == 0) {
	353	bwidth = 0.000001;
	354	}
	355
	356	/* try transferring iterative blocks of memory */
	357	if (stage == 3) {
3fc250b4 PR	358	int bytes_sent;
3fc250b4 PR	359
ad96090a	360	/* flush all remaining blocks regardless of rate limiting */
3fc250b4 PR	361	while ((bytes_sent = ram_save_block(f)) != 0) {
3fc250b4 PR	362	bytes_transferred += bytes_sent;
ad96090a	363	}
8f77558f	364	memory_global_dirty_log_stop();
ad96090a BS	365	}
	366
	367	qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
	368
	369	expected_time = ram_save_remaining() * TARGET_PAGE_SIZE / bwidth;
	370
	371	return (stage == 2) && (expected_time <= migrate_max_downtime());
	372	}
	373
a55bbe31 AW	374	static inline void host_from_stream_offset(QEMUFile f,
	375	ram_addr_t offset,
	376	int flags)
	377	{
	378	static RAMBlock *block = NULL;
	379	char id[256];
	380	uint8_t len;
	381
	382	if (flags & RAM_SAVE_FLAG_CONTINUE) {
	383	if (!block) {
	384	fprintf(stderr, "Ack, bad migration stream!\n");
	385	return NULL;
	386	}
	387
dc94a7ed	388	return memory_region_get_ram_ptr(block->mr) + offset;
a55bbe31 AW	389	}
	390
	391	len = qemu_get_byte(f);
	392	qemu_get_buffer(f, (uint8_t *)id, len);
	393	id[len] = 0;
	394
	395	QLIST_FOREACH(block, &ram_list.blocks, next) {
	396	if (!strncmp(id, block->idstr, sizeof(id)))
dc94a7ed	397	return memory_region_get_ram_ptr(block->mr) + offset;
a55bbe31 AW	398	}
	399
	400	fprintf(stderr, "Can't find block %s!\n", id);
	401	return NULL;
	402	}
	403
ad96090a BS	404	int ram_load(QEMUFile f, void opaque, int version_id)
	405	{
	406	ram_addr_t addr;
	407	int flags;
42802d47	408	int error;
ad96090a	409
f09f2189	410	if (version_id < 4 \|\| version_id > 4) {
ad96090a BS	411	return -EINVAL;
	412	}
	413
	414	do {
	415	addr = qemu_get_be64(f);
	416
	417	flags = addr & ~TARGET_PAGE_MASK;
	418	addr &= TARGET_PAGE_MASK;
	419
	420	if (flags & RAM_SAVE_FLAG_MEM_SIZE) {
f09f2189	421	if (version_id == 4) {
97ab12d4 AW	422	/* Synchronize RAM block list */
	423	char id[256];
	424	ram_addr_t length;
	425	ram_addr_t total_ram_bytes = addr;
	426
	427	while (total_ram_bytes) {
	428	RAMBlock *block;
	429	uint8_t len;
	430
	431	len = qemu_get_byte(f);
	432	qemu_get_buffer(f, (uint8_t *)id, len);
	433	id[len] = 0;
	434	length = qemu_get_be64(f);
	435
	436	QLIST_FOREACH(block, &ram_list.blocks, next) {
	437	if (!strncmp(id, block->idstr, sizeof(id))) {
	438	if (block->length != length)
	439	return -EINVAL;
	440	break;
	441	}
	442	}
	443
	444	if (!block) {
fb787f81 AW	445	fprintf(stderr, "Unknown ramblock \"%s\", cannot "
	446	"accept migration\n", id);
	447	return -EINVAL;
97ab12d4 AW	448	}
	449
	450	total_ram_bytes -= length;
	451	}
ad96090a BS	452	}
	453	}
	454
	455	if (flags & RAM_SAVE_FLAG_COMPRESS) {
97ab12d4 AW	456	void *host;
	457	uint8_t ch;
	458
f09f2189	459	host = host_from_stream_offset(f, addr, flags);
492fb99c MT	460	if (!host) {
	461	return -EINVAL;
	462	}
97ab12d4	463
97ab12d4 AW	464	ch = qemu_get_byte(f);
97ab12d4 AW	465	memset(host, ch, TARGET_PAGE_SIZE);
ad96090a BS	466	#ifndef _WIN32
	467	if (ch == 0 &&
	468	(!kvm_enabled() \|\| kvm_has_sync_mmu())) {
e78815a5	469	qemu_madvise(host, TARGET_PAGE_SIZE, QEMU_MADV_DONTNEED);
ad96090a BS	470	}
	471	#endif
	472	} else if (flags & RAM_SAVE_FLAG_PAGE) {
97ab12d4 AW	473	void *host;
97ab12d4 AW	474
f09f2189	475	host = host_from_stream_offset(f, addr, flags);
97ab12d4	476
97ab12d4	477	qemu_get_buffer(f, host, TARGET_PAGE_SIZE);
ad96090a	478	}
42802d47 JQ	479	error = qemu_file_get_error(f);
	480	if (error) {
	481	return error;
ad96090a BS	482	}
	483	} while (!(flags & RAM_SAVE_FLAG_EOS));
	484
	485	return 0;
	486	}
	487
ad96090a	488	#ifdef HAS_AUDIO
0dfa5ef9 IY	489	struct soundhw {
	490	const char *name;
	491	const char *descr;
	492	int enabled;
	493	int isa;
	494	union {
4a0f031d	495	int (init_isa) (ISABus bus);
0dfa5ef9 IY	496	int (init_pci) (PCIBus bus);
	497	} init;
	498	};
	499
	500	static struct soundhw soundhw[] = {
ad96090a	501	#ifdef HAS_AUDIO_CHOICE
da12872a	502	#ifdef CONFIG_PCSPK
ad96090a BS	503	{
	504	"pcspk",
	505	"PC speaker",
	506	0,
	507	1,
	508	{ .init_isa = pcspk_audio_init }
	509	},
	510	#endif
	511
	512	#ifdef CONFIG_SB16
	513	{
	514	"sb16",
	515	"Creative Sound Blaster 16",
	516	0,
	517	1,
	518	{ .init_isa = SB16_init }
	519	},
	520	#endif
	521
	522	#ifdef CONFIG_CS4231A
	523	{
	524	"cs4231a",
	525	"CS4231A",
	526	0,
	527	1,
	528	{ .init_isa = cs4231a_init }
	529	},
	530	#endif
	531
	532	#ifdef CONFIG_ADLIB
	533	{
	534	"adlib",
	535	#ifdef HAS_YMF262
	536	"Yamaha YMF262 (OPL3)",
	537	#else
	538	"Yamaha YM3812 (OPL2)",
	539	#endif
	540	0,
	541	1,
	542	{ .init_isa = Adlib_init }
	543	},
	544	#endif
	545
	546	#ifdef CONFIG_GUS
	547	{
	548	"gus",
	549	"Gravis Ultrasound GF1",
	550	0,
	551	1,
	552	{ .init_isa = GUS_init }
	553	},
	554	#endif
	555
	556	#ifdef CONFIG_AC97
	557	{
	558	"ac97",
	559	"Intel 82801AA AC97 Audio",
	560	0,
	561	0,
	562	{ .init_pci = ac97_init }
	563	},
	564	#endif
	565
	566	#ifdef CONFIG_ES1370
567	{
568	"es1370",
569	"ENSONIQ AudioPCI ES1370",
570	0,
571	0,
572	{ .init_pci = es1370_init }
573	},
574	#endif
575
d61a4ce8 GH	576	#ifdef CONFIG_HDA
	577	{
	578	"hda",
	579	"Intel HD Audio",
	580	0,
	581	0,
	582	{ .init_pci = intel_hda_and_codec_init }
	583	},
	584	#endif
	585
ad96090a BS	586	#endif /* HAS_AUDIO_CHOICE */
	587
	588	{ NULL, NULL, 0, 0, { NULL } }
	589	};
	590
	591	void select_soundhw(const char *optarg)
	592	{
	593	struct soundhw *c;
	594
	595	if (*optarg == '?') {
	596	show_valid_cards:
	597
	598	printf("Valid sound card names (comma separated):\n");
	599	for (c = soundhw; c->name; ++c) {
	600	printf ("%-11s %s\n", c->name, c->descr);
	601	}
	602	printf("\n-soundhw all will enable all of the above\n");
	603	exit(*optarg != '?');
	604	}
	605	else {
	606	size_t l;
	607	const char *p;
	608	char *e;
	609	int bad_card = 0;
	610
	611	if (!strcmp(optarg, "all")) {
	612	for (c = soundhw; c->name; ++c) {
	613	c->enabled = 1;
	614	}
	615	return;
	616	}
	617
	618	p = optarg;
	619	while (*p) {
	620	e = strchr(p, ',');
	621	l = !e ? strlen(p) : (size_t) (e - p);
	622
	623	for (c = soundhw; c->name; ++c) {
	624	if (!strncmp(c->name, p, l) && !c->name[l]) {
	625	c->enabled = 1;
	626	break;
	627	}
	628	}
	629
	630	if (!c->name) {
	631	if (l > 80) {
	632	fprintf(stderr,
	633	"Unknown sound card name (too big to show)\n");
	634	}
	635	else {
	636	fprintf(stderr, "Unknown sound card name `%.*s'\n",
	637	(int) l, p);
	638	}
	639	bad_card = 1;
	640	}
	641	p += l + (e != NULL);
	642	}
	643
	644	if (bad_card) {
	645	goto show_valid_cards;
	646	}
	647	}
	648	}
0dfa5ef9	649
4a0f031d	650	void audio_init(ISABus isa_bus, PCIBus pci_bus)
0dfa5ef9 IY	651	{
	652	struct soundhw *c;
	653
	654	for (c = soundhw; c->name; ++c) {
	655	if (c->enabled) {
	656	if (c->isa) {
4a0f031d HP	657	if (isa_bus) {
4a0f031d HP	658	c->init.init_isa(isa_bus);
0dfa5ef9 IY	659	}
	660	} else {
	661	if (pci_bus) {
	662	c->init.init_pci(pci_bus);
	663	}
	664	}
	665	}
	666	}
	667	}
ad96090a BS	668	#else
	669	void select_soundhw(const char *optarg)
	670	{
	671	}
4a0f031d	672	void audio_init(ISABus isa_bus, PCIBus pci_bus)
0dfa5ef9 IY	673	{
0dfa5ef9 IY	674	}
ad96090a BS	675	#endif
	676
	677	int qemu_uuid_parse(const char str, uint8_t uuid)
	678	{
	679	int ret;
	680
	681	if (strlen(str) != 36) {
	682	return -1;
	683	}
	684
	685	ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3],
	686	&uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9],
	687	&uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14],
	688	&uuid[15]);
	689
	690	if (ret != 16) {
	691	return -1;
	692	}
	693	#ifdef TARGET_I386
	694	smbios_add_field(1, offsetof(struct smbios_type_1, uuid), 16, uuid);
	695	#endif
	696	return 0;
	697	}
	698
	699	void do_acpitable_option(const char *optarg)
	700	{
	701	#ifdef TARGET_I386
	702	if (acpi_table_add(optarg) < 0) {
	703	fprintf(stderr, "Wrong acpi table provided\n");
	704	exit(1);
	705	}
	706	#endif
	707	}
	708
	709	void do_smbios_option(const char *optarg)
	710	{
	711	#ifdef TARGET_I386
	712	if (smbios_entry_add(optarg) < 0) {
	713	fprintf(stderr, "Wrong smbios provided\n");
	714	exit(1);
	715	}
	716	#endif
	717	}
	718
	719	void cpudef_init(void)
	720	{
	721	#if defined(cpudef_setup)
	722	cpudef_setup(); /* parse cpu definitions in target config file */
	723	#endif
	724	}
	725
	726	int audio_available(void)
	727	{
	728	#ifdef HAS_AUDIO
	729	return 1;
	730	#else
	731	return 0;
	732	#endif
	733	}
	734
303d4e86 AP	735	int tcg_available(void)
	736	{
	737	return 1;
	738	}
	739
ad96090a BS	740	int kvm_available(void)
	741	{
	742	#ifdef CONFIG_KVM
	743	return 1;
	744	#else
	745	return 0;
	746	#endif
	747	}
	748
	749	int xen_available(void)
	750	{
	751	#ifdef CONFIG_XEN
	752	return 1;
	753	#else
	754	return 0;
	755	#endif
	756	}